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Category Archives: Transhuman News

How Social Media Monopolies Broke the Public Sphere – Foreign Policy

Posted: January 23, 2021 at 6:11 am

After the storming of the U.S. Capitol by an insurgent lynch mob driven by far-right social media conspiracy theories and stirred on by then President Donald Trump, at least 10 market-dominating tech companies took action through content moderation and account suspension. Chief among those removed was Trump himself, banned from Twitter, and Parler, an alternative social media platform that markets itself to far-right extremists, which was ejected from its host, Amazon Web Services.

The ban had an immediate effect on internet discourse: Within a week, researchers tracked a 73 percent reduction in disinformation about election fraud on Twitter and other platforms. Amazons filing against Parler documents months of futile work to convince the platform to suppress users explicit calls for violence in accordance with their terms of service. While some argue that tech companies should take similar action against other world leaders who use populism to stir up mass violence, critics of the decision are alarmed at the supposed restriction on free speech by tech companies.

This debate is overwrought, but also raises bigger questions. In 2021, losing a Twitter account meaningfully limits the presidents influence, as it would any other figure. That shouldnt be confused with his freedom of speech, which remains unshackled by the government. But it does point to the way in which big tech has come to dominate and shatter the public sphere. Yet, thanks to the failure of politicians to meaningfully act through legislation, tech firms are policing themselves through inconsistently enforced terms of service.

When leaders call for violence through social media, their influence is especially pernicious. As far back as 2015, Trumps dehumanizing rhetoric was viewed by many hate groups as a tacit permission slip to engage in hate crimes. Subsequent studies showed violent metaphors by political leaders dramatically increase support for political violence, and is fuel for moral disengagement, serving to designate certain people or groups as fundamentally unworthy of protection, and as legitimate targets for violence. Violent rhetoric is also contagious: A 2017 National Academy of Sciences study likened hate speech to a pathogen. That pathogen manifested at the White House on Jan. 6.

Stopping hateful speech is thus vital to maintaining the public space that non-violent, deliberative democracy needs. Completely unmoderated speech endorsing lies and violence, as Parler cultivated and which has threatened to overwhelm mainstream social media platforms like Facebook and Twitter, risks fragmenting that public space. But navigating the tension between moderation and openness means reexamining basic political commitments.

The American philosopher John Dewey defined a public as a community of all those who are affected by the indirect consequences of transactions to such an extent that it is deemed necessary to have those consequences systematically cared for. In a single, unified public, actions affect strangers, which creates an ethical obligation to think about the ripples of behavior. But in a fragmented society, with smaller publics, people are less attuned to how their behavior affects others (see the mask debate).

The United States lacks a single public. Exacerbated urban-rural divides, class differences, and prolonged exposure on the right to a closed media ecology have shrunk the so-called mainstream, while the legacy of apartheid has always meant the exclusion of Black communities from anything resembling a single, universal public. Even within the parochial and breakaway political right there are pronounced fractures that produce a proliferation of mini-publics, with a divisionalbeit a shrinking onebetween supposedly moderate Republicans and those who consume and represent the views advanced in extremist media spaces like Breitbart or One America News Network. Meanwhile, an increasingly revolutionary far-left public has emerged that agitates against Democrats as often as it does Republicans, and on the sidelines are various fringe communities driven by often-violent conspiracies like QAnon and anti-vaccine groups.

Publics are formed and maintained through a public spherea space to discuss social problems, debate solutions, and form agreements about collective ideals and goals. German philosopher Jurgen Habermas famously studied how a vibrant, if limited, public sphere formed in the coffee shops and salons of 18th-century Europe, only to collapse in the 19th century as mass printed media rose to prominence. A public sphere, he argued, exists on the basis of inclusivity, a commitment to good faith argument, and a collective willingness to cooperate in the search for meaningful agreement on how the world is and should be. Journalistic elites arguing in op-ed pages are no substitute.

But at least when popular media consumption was restricted to a smaller range of outlets and run according to consistent editorial standards, something like a public sphere could exist. Citizens could broadly be on the same page, so to speak, about which facts and principles were under debate and which were not. This was not an especially egalitarian or inclusive discourse, but it was transparent and coherent enough to allow for some cross-sections of the population to meaningfully engage with one another (though this was not the case for many marginalized groups).

Social media might have offered a solution, as an open digital space where anyone could join, contribute, share information, and learn new ideas and skills. This was the utopian argument of American poet John Perry Barlows 1996 manifesto, A Declaration of the Independence of Cyberspace, which claimed that the non-material nature of cyberspace exempted it from considerations of place, money, property, and identity. But, as the mass deplatforming of Trump and his insurrectionists demonstrated, cyberspace has never been separate from material concerns, and it is certainly not above politics.

Social media platforms are not like coffee shops or salons. Facebook and Twitter are not a public sphere in any sense of the term. They are ostensibly inclusiveat least until individual members are driven away by threatsbut not dedicated to good faith argumentation; they make no commitment toward constructive discussion. This is an intentional design choice, as shown by the domination of outrage content, or the campaigns of harassment that target women and minorities with particular ferocity. Privately owned and in command of vast powers of surveillance and control over what and how users communicate, they are even now reluctant to use those powers to create a healthy public sphere.

The problem is that they also monopolize expression on the internet. The current choice between social media or nothing has led dissidents like Russian opposition leader Alexei Navalny to call Twitters ban on Donald Trump a form of censorship on par with government suppression of speech. World leaders expressed alarm as well, from Andres Manuel Lpez Obrador vowing to fight Twitters policies to German Chancellor Angela Merkel suggesting that the only actor authorized to make decisions about bans should be the government itselfthe implication being that Twitter should not be allowed to determine who is allowed to use its platform.

If that sounds absurd, blame social media companies themselves for producing this crisis. Their lame and inconsistent regulations of content are driven not by a commitment to clear principles, and certainly not to the values of the public sphere or a commitment to free speech. Rather, their self-regulation is driven entirely by the need to monetize data, deliver targeted ads, and evade serious legal liability, with even billion-dollar fines barely amounting to quarterly rounding errors.

Instead of creating a new public sphere, a small number of monopolistic social media companies colonized the existing one, and then shattered it into jagged pieces. They have accelerated and exacerbated the erosion and fracturing of the American public, while facilitating mass right-wing violence.

There is no easy solution to this problem, but there are a few principles that might help us devise one. First, social media companies must regulate and manage their platforms to better secure the conditions for a public sphere: inclusivity, fact-checking, and safety from violence. These alone cannot produce the utopia of Habermass private dinner discourse ethics, but without them, no public can survive. Policymakers should incentivize this through legislation that holds these companies liable for failure and imposes meaningful financial consequences. They should set a clear set of standards for when content crosses the line into threats of violence or hate speech, and they should establish independent review of social media firms enforcement, to ensure that it is neither lax nor arbitrary. There is a difficult balance to be struck here between First Amendment rights and the obligation to enforce existing laws prohibiting threats and harassment, but the current approach is simply refusing to tryand repealing Section 230, as some have suggested, would not address the problem of radicalization and violence anyway.

Second, social media monopolies must be broken through more effective antitrust legislation. Imagine if every 18th-century coffee house had been a Starbucks! If social media spaces are the only place a public sphere can form in the 21st century, then they must be meaningfully diverse. The old blogosphere had many attributes of a public sphere, just as the earliest days of social media did. But blogs died as the big names became digital magazine columns, and as competition from social media drew more users in. The only plausible competition to social media has come from other social media, and this is where the antitrust case against Facebook becomes salientthink of Mark Zuckerbergs private dinner with Trump right before Trump announced a ban on TikTok. In their current monopolistic state, social media resembles a government in its absolute power to exclude (and surveil), and produces the same dynamics of power and censorship that have led commentators to now conflate content moderation with institutional repression.

Third, and most broadly, the internet needs to be treated as a social good, as scholars like Ethan Zuckerman argue. This may sound aspirational, although in other countries access to broadband may soon become a public service. People in the developed world are inescapably onlinea social transformation that is permanent and should be addressed through more than liberal management or utopian transhumanism. Our first act as a public should be to come up with digital equivalents of parks, community centers, local watering holes, and other places where earlier generations were able to gather and coexist outside of pervasive governmental or corporate control. If we dont, the institutions of liberal democracy will not survive long enough for us to come up with another solution.

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With bioengineered food labels showing up in stores, here’s what you should know about GMOs – Genetic Literacy Project

Posted: January 21, 2021 at 3:31 pm

While genetic engineering is the term typically used by scientists, you will start seeing the bioengineered label on some of the GMO foods we eat in the United States.

Humans have used traditional ways to modify crops and animals to suit their needs and tastes for more than 10,000 years. Cross-breeding, selective breeding and mutation breeding are examples of traditional ways to make these changes. These breeding methods often involve mixing all the genes from two different sources. They are used to create common crops like modern corn varieties and seedless watermelon.

Modern technology now allows scientists to use genetic engineering to take just a specific beneficial gene, like insect resistance or drought tolerance, and transfer it into a plant. The reasons for genetic modification today are similar to what they were thousands of years ago: higher crop yields, less crop loss, longer storage life, better appearance, better nutrition, or some combination of these traits.

Since GMO foods were introduced in the 1990s, research has shown that they are just as safe as non-GMO foods. Since then, the U.S. Food and Drug Administration (FDA), U.S. Environmental Protection Agency (EPA), and U.S. Department of Agriculture (USDA) have worked together to ensure that crops produced through genetic engineering are safe for people, animals, and the environment.

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With bioengineered food labels showing up in stores, here's what you should know about GMOs - Genetic Literacy Project

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Foodborne diseases kill thousands of Americans each year. Tracing food with genetically engineered spores could help. – The Counter

Posted: at 3:31 pm

Bhuyan said that his company has plans to win over both farmers and consumers, and that many industries have already signed on to use the technology.

The traction we have gained spans multiple countries and supply chains ranging from meat, dairy, cannabis, coffee, leafy greens, and a range of non-organic items, he said. Its unclear which companies Aanika is currently working with, as only a handful of partnershipsincluding a collaboration with the diamond company, De Beers Grouphave been disclosed publicly.

A normal food recall can affect a dozen farms, some of which were not actually responsible for the outbreak. Instead of recalling produce from all those growers, Aanikas spores could instead be used to pinpoint the outbreaks source, which would have the additional benefit of reducing the number of claims that an insurance company would have to pay out. This year, Aanika will work directly with agricultural insurers, offering them up to $10 million in guarantees, an incentive to protect insurers against loss in case claims submitted to them by farmers are not reduced as a result of using Aanikas spores. The move was made public in a blog post that the company posted to Medium in December, and it could offer enough of a financial incentive to get more large-scale traction with farmers.

As for consumer concerns, Bhuyan said that, even if spores did end up on your dinner plate, the average person poops out thousands of bacterial spores every daya claim supported by a recent studyso we dont think this will be a problem.

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Livestock Producers on Level Playing Field Thanks to MOU Between USDA and FDA – Pork Magazine

Posted: at 3:31 pm

A Memorandum of Understanding (MOU) has been finalized regarding regulation of certain animals developed using genetic engineering. USDA announced the MOU with the Food and Drug Administration that outlines responsibilities regarding genetically engineered animals that are intended for agricultural purposes such as human food, fiber and labor.

This MOU complements USDAs issuance of an Advanced Notice of Proposed Rulemaking (ANPR) on the Movement of Animals Modified or Developed by Genetic Engineering on December 28, 2020.

Todays Memorandum of Understanding clears a path to bring our regulatory framework into the 21st century, putting American producers on a level playing field with their competitors around the world. In the past, regulations stifled innovation, causing American businesses to play catch-up and cede market share, said U.S. Secretary of Agriculture Sonny Perdue in a release. America has the safest and most affordable food supply in the entire world thanks to the innovation of our farmers, ranchers and producers. Establishing a new, transparent, risk and science-based regulatory framework would ensure this continues to be the case.

The terms of the MOU support USDAs ANPR outlining a contemplated regulatory framework that would apply to certain animals (cattle, sheep, goats, swine, horses, mules, or other equines, catfish, and poultry) developed using genetic engineering intended for agricultural purposes, USDA explains. Under this framework, USDA would safeguard animal and human health by overseeing pre-market reviews through post-market food safety monitoring for certain farm animals modified or developed using genetic engineering that are intended for human food.

The National Pork Producers Council (NPPC) applauded the MOU signed between the USDA and the FDA, giving USDA primary regulatory jurisdiction over the development of gene-edited livestock.

NPPC has been calling for this decision for more than three years to ensure that U.S. agriculture maintains its competitive edge globally. We look forward to working with the Biden administration to implement a technology that has the potential to improve animal health, further reduce agricultures environmental footprint and improve production efficiency, NPPC said in a statement.

The MOU also allows for the transition of portions of FDAs pre-existing animal biotechnology regulatory oversight to USDA. USDA would continue to coordinate closely with FDA to fulfill oversight responsibilities and provide the appropriate regulatory environment, ensuring the safety of products derived from new technologies and fostering innovation at the same time, the release said.

FDA would continue its review of intentional genomic alterations intended for any purpose other than agricultural use, such as biopharma and non-heritable genomic alteration, and the regulation of dairy products, table and shell eggs, certain meat products and animal feed derived from animals developed using genetic engineering.

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FDA Stalls U.S. Gene-Edited Livestock Efforts

USDA Oversight of Gene-Edited Livestock: A Seismic Shift for Agriculture

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Advarra Announces New Gene Therapy Ready Site Network – PRNewswire

Posted: at 3:31 pm

This will address an accelerating gene therapy market that is expected to grow globally by 16.6 percent from 2020-2027.

"The Gene Therapy Ready network demonstrates our commitment to empowering sites and supporting our industry partners as they pursue advanced genetic engineering to find cures for the world's most pressing health conditions," said Scott Uebele, President and Chief Research Services Officer at Advarra. "Our commitment to efficient study activation is unwavering, and this is another example of how Advarra bringslife sciences companies,CROs, research sites, investigators,andacademiatogether at the intersection of safety,compliance,technology, and collaboration."

All Gene Therapy Ready sites stand ready to help industry sponsors conduct clinical trials that advance cures, develop vaccines, and find treatments for rare disease. By placing clinical trials with a Gene Therapy Ready site, research sponsors can save significant time during study startup.

"This innovative network is truly the first of its kind. We constantly look for ways to support our sponsors in rapidly starting trials in a safe, compliant, and quality manner. With the Gene Therapy Ready network, we can improve study startup times by a month or more, potentially placing cures in the hands of patients faster," said James Riddle, Vice President of Research Services and Strategic Consulting at Advarra. "The Gene Therapy Ready site network charts a course to success by providing our sponsor clients with a clear choice for IBC review services."

About Advarra

Advarra advances the way clinical research is conducted: bringing life sciences companies, CROs, research sites, investigators, and academia together at the intersection of safety, technology, and collaboration. With trusted IRB and IBC review solutions, innovative technologies, experienced consultants, and deep-seated connections across the industry, Advarra provides integrated solutions that safeguard trial participants, empower clinical sites, ensure compliance, and optimize research performance. Advarra is advancing clinical trials to make them safer, smarter, and faster. For more information, visit advarra.com.

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Designer baby book trilogy explores the moral dilemmas humans may soon create – Big Think

Posted: at 3:31 pm

Imagine it's 2045. You start hearing rumors from your well-heeled friends about a mysterious corporation based on an undisclosed island that's offering an unprecedented service: the ability to genetically design your baby.

The baby will have some of your genetics, and some genetics from a sperm or egg donor, selected by you. But the rest of your child's genetic profile will be engineered by science. These changes will make it impossible for your child to develop genetic diseases. They'll also allow you to customize your child for dozens of traits, including intelligence level, emotional disposition, sexual orientation, height, skin tone, hair color, and eye color, to name a few.

This raises unsettling philosophical questions for some customers. "When does my child stop being my child?" they ask the corporate representatives. These wary customers are reminded of how risky it is to reproduce the old-fashioned way. The Better Genetics Corporation's motto sums it up: "Only God plays dicehumans don't have to."

This is the world described in a new science-fiction series by Eugene Clark titled "Genetic Pressure", which explores the moral and scientific implications of a future in which designer babies are becoming a major industry. The first book begins with the story of Rachel, a renowned horse breeder who befriends a billionaire client, and soon gets the funding to visit the tropical island on which the Better Genetics Corporation is headquartered.

There, corporate executives walk her through the process of designing a babyan experience that feels like an uncanny mix between visiting a doctor and designing a luxury car. The series is told from multiple perspectives, serving as a deep dive into a complex moral web that today's scientists may already be weaving.

Case in point: In 2018, Chinese scientist He Jiankui announced that he had helped create the world's first genetically engineered babies. Using the gene-editing tool CRISPR on embryos, He Jiankui modified a gene called CCR5, which enables HIV to enter and infect immune system cells. His goal was to engineer children that were immune to the virus.

It's unclear whether he succeeded. But what's certain is that the experiment shocked the international scientific community, which generally agreed that it's unethical to conduct gene-editing procedures on humans, given that scientists don't yet fully understand the consequences.

"This experiment is monstrous," Julian Savulescu, a professor of practical ethics at the University of Oxford, told The Guardian. "The embryos were healthy. No known diseases. Gene editing itself is experimental and is still associated with off-target mutations, capable of causing genetic problems early and later in life, including the development of cancer."

Importantly, He Jiankui wasn't treating a disease, but rather genetically engineering babies to prevent the future contraction of a virus. These kinds of changes are heritable, meaning the experiment could have major downstream effects on future generations. So, too, would a designer-baby industry, even if scientists can do it safely.

With major implications on inequality, discrimination, sexuality, and our conceptions of life, the introduction of designer babies would create a labyrinth of philosophical dilemmas that society is only beginning to explore.

One question the "Genetic Pressure" series explores: What would tribalism and discrimination look like in a world with designer babies? As designer babies grow up, they could be noticeably different from other people, potentially being smarter, more attractive and healthier. This could breed resentment between the groupsas it does in the series.

"[Designer babies] slowly find that 'everyone else,' and even their own parents, becomes less and less tolerable," author Eugene Clark told Big Think. "Meanwhile, everyone else slowly feels threatened by the designer babies."

For example, one character in the series who was born a designer baby faces discrimination and harassment from "normal people"they call her "soulless" and say she was "made in a factory," a "consumer product."

Would such divisions emerge in the real world? The answer may depend on who's able to afford designer baby services. If it's only the ultra-wealthy, then it's easy to imagine how being a designer baby could be seen by society as a kind of hyper-privilege, which designer babies would have to reckon with.

Even if people from all socioeconomic backgrounds can someday afford designer babies, people born designer babies may struggle with tough existential questions: Can they ever take full credit for things they achieve, or were they born with an unfair advantage? To what extent should they spend their lives helping the less fortunate?

Sexuality presents another set of thorny questions. If a designer baby industry someday allows people to optimize humans for attractiveness, designer babies could grow up to find themselves surrounded by ultra-attractive people. That may not sound like a big problem.

But consider that, if designer babies someday become the standard way to have children, there'd necessarily be a years-long gap in which only some people are having designer babies. Meanwhile, the rest of society would be having children the old-fashioned way. So, in terms of attractiveness, society could see increasingly apparent disparities in physical appearances between the two groups. "Normal people" could begin to seem increasingly ugly.

But ultra-attractive people who were born designer babies could face problems, too. One could be the loss of body image.

When designer babies grow up in the "Genetic Pressure" series, men look like all the other men, and women look like all the other women. This homogeneity of physical appearance occurs because parents of designer babies start following trends, all choosing similar traits for their children: tall, athletic build, olive skin, etc.

Sure, facial traits remain relatively unique, but everyone's more or less equally attractive. And this causes strange changes to sexual preferences.

"In a society of sexual equals, they start looking for other differentiators," he said, noting that violet-colored eyes become a rare trait that genetically engineered humans find especially attractive in the series.

But what about sexual relationships between genetically engineered humans and "normal" people? In the "Genetic Pressure" series, many "normal" people want to have kids with (or at least have sex with) genetically engineered humans. But a minority of engineered humans oppose breeding with "normal" people, and this leads to an ideology that considers engineered humans to be racially supreme.

On a policy level, there are many open questions about how governments might legislate a world with designer babies. But it's not totally new territory, considering the West's dark history of eugenics experiments.

In the 20th century, the U.S. conducted multiple eugenics programs, including immigration restrictions based on genetic inferiority and forced sterilizations. In 1927, for example, the Supreme Court ruled that forcibly sterilizing the mentally handicapped didn't violate the Constitution. Supreme Court Justice Oliver Wendall Holmes wrote, " three generations of imbeciles are enough."

After the Holocaust, eugenics programs became increasingly taboo and regulated in the U.S. (though some states continued forced sterilizations into the 1970s). In recent years, some policymakers and scientists have expressed concerns about how gene-editing technologies could reanimate the eugenics nightmares of the 20th century.

Currently, the U.S. doesn't explicitly ban human germline genetic editing on the federal level, but a combination of laws effectively render it illegal to implant a genetically modified embryo. Part of the reason is that scientists still aren't sure of the unintended consequences of new gene-editing technologies.

But there are also concerns that these technologies could usher in a new era of eugenics. After all, the function of a designer baby industry, like the one in the "Genetic Pressure" series, wouldn't necessarily be limited to eliminating genetic diseases; it could also work to increase the occurrence of "desirable" traits.

If the industry did that, it'd effectively signal that the opposites of those traits are undesirable. As the International Bioethics Committee wrote, this would "jeopardize the inherent and therefore equal dignity of all human beings and renew eugenics, disguised as the fulfillment of the wish for a better, improved life."

"Genetic Pressure Volume I: Baby Steps" by Eugene Clark is available now.

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Risk assessment of GE plants in the EU: Taking a look at the ‘dark side of the moon’ EUbusiness.com | EU news, business and politics – EUbusiness

Posted: at 3:31 pm

21 January 2021by testbiotech-- last modified 21 January 2021

Testbiotech has published a new report providing evidence that the European Food Safety Authority (EFSA) is intentionally keeping significant risks related to genetically engineered (GE) plants 'in the dark'.

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While EFSA is aware that the data compiled by industry are insufficient to demonstrate the safety of the plants, it has nevertheless failed to take action to solve the problems. On the contrary, the authority has for years defended assumptions even if they are in contradiction to the facts. In addition, EFSA is intentionally trying to distract awareness away from the 'dark' sides of its risk assessment.

During the first 20 years of its existence, EFSA published more than 100 opinions on the risk assessment of GE crops, but was nevertheless unable to present sufficiently robust criteria and methods. The report published today reveals major gaps in risk assessment which can no longer be disputed. Moreover, the report also shows that specific areas of risk assessment are intentionally ignored .

"We need science more than ever to stop dangers such as climate change and pandemics. Science also has to be impartial, transparent and reliable when it comes to assessment of risky technologies and their profitable products. However, in the case of genetically engineered plants, the trade interests of industry are given priority when it comes to decision-making in the face of uncertainties," Christoph Then states for Testbiotech, an institute which is independent of the interests of biotech industry. Testbiotech has for more than ten years analysed the risks of genetically engineered organisms with a view to protecting health and the environment.

Testbiotech is accusing EFSA of a systematic failure to request sufficiently reliable data from industry. These problems concern, for example, field trials with genetically engineered herbicide-resistant plants that are sprayed with much lower rates of herbicide applications compared to current agricultural practice. Furthermore, the regions in which the field trials are carried out do not represent the bioclimatic conditions under which the GE plants are to be cultivated.

For the assessment of insecticidal Bt toxins produced in the plants, EFSA accepts experiments with toxins produced by bacteria. However, it is known that the toxins produced in the plants must be assumed to be much more toxic since plant constituents can multiply their toxicity. Furthermore, most of the approved GE plants carry a combination of (several) Bt toxins and (several) herbicide resistances. Nevertheless, EFSA does not request any empirical data on mixed toxicity or immunogenicity of the compounds present in the harvest.

At the same time, in regard to the potential spread of GE plants, EFSA makes assumptions that are outdated and therefore underestimates the actual risks. From a legal point of view, it also seems to be questionable that EFSA, in a self-assigned task, adopted a new guidance in 2015 allowing it to evade legally binding EU Commission standards in field trial assessments.

In conclusion, evidence has been provided to show that the genetic engineering of food plants has layers of complexity that go far beyond what can be assessed by current standards of risk assessment. The safety of the plants is claimed on basis of approval processes that only consider risks that are easiest to assess.

The Testbiotech analysis of the work of EFSA is also based on the outcomes of the RAGES (Risk Assessment of genetically engineered organisms in the EU and Switzerland) project. The RAGES project started in 2016 and ended in 2020; the outcomes were subsequently assessed by EFSA in June 2020.

Testbiotech is now urging the EU Commission to take action because the political responsibility for setting the standards in the risk assessment of GE organisms lies with the Commission.

What are the consequences of genetic engineering for humans and the environment? From a critical point of view, Testbiotech provides information and scientific expertise on the risks associated with these technologies, that is completely independent of the biotech industry.

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New computational method detects disrupted pathways in cancer – UB Now: News and views for UB faculty and staff – University at Buffalo Reporter

Posted: at 3:31 pm

Cancer is a notoriously complex disease, in part because it may be caused by mutations among hundreds or even thousands of genes. In addition, most cancers exhibit an extraordinary amount of variation among genetic mutations, even between patients with the same types of cancers.

Consequently, cancer researchers have chosen to study interactions among groups of genes in certain biological pathways that are disrupted.

When genes in certain pathways are frequently mutated or disrupted, that pathway may play a critical role in the initiation or development of cancer. But unraveling the molecular mechanisms underlying those disruptions is extremely complex.

Now, UB researchers have developed a new, statistically more powerful method called FDRnet that can more effectively detect key functional pathways in cancer using genomics data generated by next-generation sequencing technology.

Published in Nature Computational Science on Jan. 14, the new method has the potential to give biologists more precise data with which to zero in on therapeutic targets.

Using the new method, we can find biological pathways in which genes are significantly mutated or disrupted, explains Yijun Sun, associate professor of bioinformatics in the Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences at UB and the corresponding author. It addresses some key challenges in molecular pathway analysis in cancer studies. Once the tumor biologists obtain this information, they can use it to verify our findings, and from there develop new cancer treatments.

By overcoming the limitations of existing approaches, FDRnet can facilitate the detection of key functional pathways in cancer and other genetic diseases, he says.

When Sun and his co-authors tested FDRnet on simulation data and on breast cancer and B-cell lymphoma data, they found that FDRnet was able to detect which subnetworks or pathways are significantly perturbed in these cancers, potentially leading tumor biologists to identify new therapeutic targets.

Co-authors with Sun are Le Yang and Runpu Chen, both doctoral students in the Department of Computer Science and Engineering, School of Engineering and Applied Sciences, and Steven Goodison of the Department of Health Sciences Research at the Mayo Clinic.

The research was funded by the National Institutes of Health.

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Some Citrus Fruits Are In Danger. Here’s How Scientists Are Working To Save Them – WVXU

Posted: at 3:31 pm

Oranges and grapefruit are under siege in California. Growers are under pressure to protect all citrus varieties from an increasing threat that's already hit Florida.

Citrus Greening Disease, or HLB, was detected in Florida more than 10 years ago. Researchers are still trying to figure out how to protect the fruit from a disease with no effective commercial treatment.

Now HLB is in California. It has been detected in 2,000 trees but not yet in commercial orchards.

But there is hope on the horizon. University of California Riverside (UCR) researchers and their partners are perfecting a fruit that may be resistant to the greening disease.

Through genetic engineering, UCR scientists like Mikeal Roose is crossing U.S. varieties with Australian ones. A fruit down under similar to a lemon or lime, seems to have some resistance. Roose is crossing the U.S. variety with an Australian one and then again with an American citrus fruit.

"It's still a little bit difficult but it's doable," he says.

UCR has a $4.67 million grant from the National Institute of Food and Agriculture and is partnering with Texas A&M, the University of Florida, Washington State University and the U.S. Department of Agriculture.

UCR's Chandrka Ramadugu is leading the project. Eight years ago she was in Florida testing microcitrus varieties that had some natural resistance. "The goal is to have plants that have proven to be similar to citrus, that's acceptable by the public, but also to have part of the Australian citrus genome so it will be resistant to the disease," she says.

The challenge is to get the fruit to also taste good. This all takes time, maybe four to five years as all the crossbreeding takes place and is grown in different places and environments.

Scientists are also altering the soil to see if that could provide some immunity.

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Eczema – Symptoms, Causes, Treatments – Healthgrades

Posted: at 3:27 pm

Eczema is a chronic condition that is not curable. However, with a well-integrated, medically monitored plan of care, symptoms can be effectively controlled, and people with eczema can lead active, comfortable lives. A good treatment plan is individualized to your medical history, the specific type and severity of your eczema, the specific cause, and other factors.

A combination of treatments that include lifestyle changes, medications, and other treatments as appropriate is the most effective way to control eczema and prevent flare-ups.

Lifestyle changes and general treatments for eczema

Lifestyle changes and considerations for treating eczema include:

Avoiding alcohol and caffeine

Avoiding hot tubs, steam baths, saunas, and chlorinated swimming pools

Avoiding scratchy clothes

Drinking plenty of fluids

Getting skin patch testing, in which small amounts of common allergens are applied methodically to the skin to determine what substances are triggering the allergic response that leads to the eczema

Minimizing skin dryness by using lotion specifically designed for sensitive skin

Preventing flare-ups by avoiding exposure to the specific allergen or allergens that induce the condition

Using a cool mist vaporizer or home humidifier

Using a perfume-free moisturizer

Using an oatmeal-based soap, such as Aveeno, to help relieve itching and inflammation

Using ice bags or cool wet compresses to help relieve itching and inflammation

Using mild soaps and not over washing or harshly scrubbing skin

Medications used to treat eczema

In moderate to severe cases of eczema, medications may be prescribed. Medications may include:

Antibiotics or antifungal drugs, which treat secondary bacterial or fungal infections

Antihistamines, which reduce itching

Corticosteroid cream, which reduces inflammation

These medications can all have side effects, so they should only be used under the direction of a licensed health care clinician.

When left untreated, eczema can develop into an escalating cycle of itching, scratching and inflammation. In some cases, the excessive scratching can introduce bacteria or fungus into the layers of the skin, resulting in infections that can be serious in some people. Complications include:

Bacterial or fungal infection of the skin

Cellulitis (an infection of the skin and surrounding tissues caused by a growing bacterial or fungal infection)

Open sores and lesions

Permanent change in skin texture or scarring

Permanent skin discoloration

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Eczema - Symptoms, Causes, Treatments - Healthgrades

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