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Category Archives: Transhuman News

Gang Bao combines genetic, nano and imaging techniques to fight disease

Posted: December 16, 2014 at 5:45 am

Gang Bao will bring a host of new expertise to Rice Universitys part in the fight against cancer and many other diseases when he joins the faculty March 1.

The highly regarded Robert A. Milton Chair in Biomedical Engineering at Georgia Institute of Technology and Emory University is the latest recruit to move to Houston with $6 million in funding from the Cancer Prevention and Research Institute of Texas (CPRIT).

Bao and his colleagues, nine of whom will join him at Rice, cover a wide range of research linked primarily by their interest in the genetic roots of disease and the promise of nanotechnology and biomolecular approaches to treat them.

Among their ongoing projects, lab members are working on targeted genome modification using engineered nucleases, the development of magnetic nanoparticles for use as contrast agents and for ablation of tumors and the application of fluorescent molecular beacons for specific RNA detection in living cells.

Dr. Bao has an outstanding track record of center leadership in developing and applying nanomedicine for disease diagnosis and treatment, and is a fantastic addition to the Rice effort in translational nanomedicine, said Michael Deem, chair of the Department of Bioengineering and the John W. Cox Professor of Biochemical and Genetic Engineering.

His work in the mid-2000s involved groundbreaking contributions to the molecular imaging field, and he has turned to nanomedicine and nanomaterials-based interventions, for example, with special contributions to the isolation of specific cell types from differentiating human pluripotent stem cells. Most recently, Dr. Bao has made major contributions to the use of the CRISPR/Cas9 system for genome editing, Deem said.

The opportunity to work at Rices BioScience Research Collaborative, with its close connections and proximity to the Texas Medical Center, made the offer too good to resist, said Bao, who will be the Foyt Family Professor in the Department of Bioengineering and the CPRIT Senior Scholar in Cancer Research at Rice.

One thing I really like is that this building is right in the Texas Medical Center, very close to (the University of Texas) MD Anderson (Cancer Center), Texas Childrens (Hospital) and Baylor (College of Medicine), he said. For cancer research, this will make it much easier for me to work with colleagues at MD Anderson, a few blocks away, or at Baylor.

Another attraction, really, is that the undergraduate programs at Rice are super strong. I always want to attract undergraduates to my lab to do research, he said.

Along with his lab, Bao brings his Nanomedicine Center for Nucleoprotein Machines to Rice. The National Institutes of Health-funded center is developing gene correction techniques to address an estimated 6,000 single-gene disorders. Their first target is sickle cell disease, caused by a single mutation in the beta-globin gene. The mutation causes the body to make sticky, crescent-shaped red blood cells that contain abnormal hemoglobin and can block blood flow in limbs and organs.

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Gang Bao combines genetic, nano and imaging techniques to fight disease

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New colorectal cancer risk factor identified

Posted: at 5:45 am

PUBLIC RELEASE DATE:

15-Dec-2014

Contact: Kathryn Ryan kryan@liebertpub.com 914-740-2100 Mary Ann Liebert, Inc./Genetic Engineering News @LiebertOnline

New Rochelle, NY, December 15, 2014-Adiponectin, a collagen-like protein secreted by fat cells, derives from the ADIPOQ gene. Variations in this gene may increase risk for type 2 diabetes, cardiovascular disease, and various cancers. A new study that links specific variations in the ADIPOQ gene to either higher or lower colorectal cancer risk is published in Genetic Testing and Molecular Biomarkers, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available on the Genetic Testing and Molecular Biomarkers website until January 11, 2014.

Xin Guo, First Affiliated Hospital of Harbin Medical University, China, and Jiaqi Liu, Liuping You, Gang Li, Yuenan Huang, and Yunlong Li, Second Affiliated Hospital of Harbin Medical University, explored the relationship between two polymorphisms in the adiponectin gene and the risk of colorectal cancer in the article "Association Between Adiponectin Polymorphisms and the Risk of Colorectal Cancer." They also showed that these genetic variations may interact with environmental factors, such as red meat intake, to affect cancer risk.

"This paper suggests that adiponectin gene sequence may have significant prognostic value for colorectal cancer," says Kenneth I. Berns, MD, PhD, Editor-in-Chief of Genetic Testing and Molecular Biomarkers, and Director of the University of Florida's Genetics Institute, College of Medicine, Gainesville, FL.

###

About the Journal

Genetic Testing and Molecular Biomarkers is an authoritative peer-reviewed journal published monthly online with Open Access options and in print that reports on all aspects of genetic testing, including molecular and biochemical based tests and varied clinical situations; ethical, legal, social, and economic aspects of genetic testing; and issues concerning effective genetic counseling. Genetic Testing and Molecular Biomarkers is the official journal of Genetic Alliance. Complete tables of content and a free sample issue may be viewed on the Genetic Testing and Molecular Biomarkers website.

About the Publisher

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New colorectal cancer risk factor identified

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Common methods used in human genetics analysis – Video

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Common methods used in human genetics analysis
Human genetics Human matings, like those of experimental organisms, show inheritance patterns both of the type discovered by Mendel (autosomal inheritance) and of sex linkage. Because controlled...

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Common methods used in human genetics analysis - Video

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Massive Genetic Effort Confirms Bird Songs Related to Human Speech

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The sequencing of genomes of 48 bird species explains the evolutionary roots of vocalization and could offer insight into human speech disorders

Zebra finch offers clues to the evolution of vocalization. Credit: Peripitus/Wikimedia Commons

Songbirds stutter, babble when young, become mute if parts of their brains are damaged, learn how to sing from their elders and can even be "bilingual"in other words, songbirds' vocalizations share a lot of traits with human speech. However, that similarity goes beyond behavior, researchers have found. Even though humans and birds are separated by millions of years of evolution, the genes that give us our ability to learn speech have much in common with those that lend birds their warble.

A four-year long effort involving more than 100 researchers around the world put the power of nine supercomputers into analyzing the genomes of 48 species of birds. The results, published this week in a package of eight articles in Science and 20 papers in other journals, provides the most complete picture of the bird family tree thus far. The project has also uncovered genetic signatures in song-learning bird brains that have surprising similarities to the genetics of speech in humans, a finding that could help scientists study human speech.

The analysis suggests that most modern birds arose in an impressive speciation event, a "big bang" of avian diversification, in the 10 million years immediately following the extinction of dinosaurs. This period is more recent than posited in previous genetic analyses, but it lines up with the fossil record. By delving deeper into the rich data set, research groups identified when birds lost their teeth, investigated the relatively slow evolution of crocodiles and outlined the similarities between birds' and humans' vocal learning ability, among other findings.

The vocal learning discoveries could have important implications for the study of human speech and its disorders. If the genes are similar, "you can study in song birds and test their function in a way you can't do in humans," says Erich Jarvis, one of the leaders of the international effort and an associate professor of neurobiology at Duke University.

Scientists have long used songbirds, typically zebra finches, to probe questions about how language can be learned because not many other species have this ability. "Among primates, Homo sapiens are the only species that can modify vocalization," says Stephanie White, a neuroscientist and professor of integrative biology and physiology at the University of California, Los Angeles, who was not involved in the new research.

That's not to say that other primates don't communicate vocally, but White explains that the grunts, screeches and hoots uttered by chimpanzees, for example, are more automatic. Although an older, bigger chimp may have a deeper voice, "a young chimp and an old chimp sound pretty much the same," she says. Humans and songbirds, on the other hand, progress from baby talk to complex vocalizations. The handful of other species with this abilitythe vocal learnersincludes dolphins, sea lions, bats and elephants.

The new work on vocal learning relied on laser dissection of brain regions of zebra finches known to be involved in vocalizations and then analysis of gene activity there. The researchers then compared those levels to gene expression levels in human brains. They found that humans and birds share 55 genes between brain regions important for vocal learning, a good handful of which were involved in forming connections between neurons. Analysis of genes in other avian vocal learners parrots and hummingbirdsechoed the finding.

Another paper shows that 10 percent of the genome in song-learning birds is dedicated to song. White, who found both papers to be "very powerful," explains that these genes are actively regulated during vocalization. In humans, a simple phone conversation is actually an intensely focused activity that sets off cascades gene regulation across the brain, she says.

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Massive Genetic Effort Confirms Bird Songs Related to Human Speech

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Advanced Warfare: "AE4" BEST CLASS SETUP! + AE4 "DNA BOMB" GAMEPLAY! (COD: AW DLC Gun Class Setup) – Video

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Advanced Warfare: "AE4" BEST CLASS SETUP! + AE4 "DNA BOMB" GAMEPLAY! (COD: AW DLC Gun Class Setup)
Advanced Warfare: AE4 Best Class Setup! - AE4 "DNA Bomb" GAMEPLAY! (COD: AW DLC Gun AE4 Class Setup) DNA Bomb By: https://www.youtube.com/user/VOLTAGEGAMINGHG ...

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Advanced Warfare: "AE4" BEST CLASS SETUP! + AE4 "DNA BOMB" GAMEPLAY! (COD: AW DLC Gun Class Setup) - Video

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Call Of Duty Advanced Warefare: "How to Get DNA Bombs" (30 Gun Kills) – Video

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Call Of Duty Advanced Warefare: "How to Get DNA Bombs" (30 Gun Kills)
Hope U Guys Enjoyed If U did Be Sure To Like Comment and Subscribe -Twitch- https://twitch.tv/ItzSkillz_HD - ASM1 Best Class Set Up Video- http://https://www.youtube.com/watch?v=6Z2KFaBExGQ...

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Call Of Duty Advanced Warefare: "How to Get DNA Bombs" (30 Gun Kills) - Video

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| DNA Fail 34 – 2 | Wie viel Aufwand ein Video wirklich hat | Commentary – Video

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| DNA Fail 34 - 2 | Wie viel Aufwand ein Video wirklich hat | Commentary
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| DNA Fail 34 - 2 | Wie viel Aufwand ein Video wirklich hat | Commentary - Video

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Call of Duty: Advanced Warfare: FFA ASM1 DNA BOMB 29 GUN STREAK W/ HARDLINE – Video

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Call of Duty: Advanced Warfare: FFA ASM1 DNA BOMB 29 GUN STREAK W/ HARDLINE
first game trying for a FFA DNA BOMB since i found out that you can get it at 29 kills with hardline ... i was playing passive in this game i think thats the best way for FFA and especially...

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YouTube Name Change? (Bal Dna Bomb Gameplay) – Video

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YouTube Name Change? (Bal Dna Bomb Gameplay)
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Call Of Duty Advanced Warfare – DNA BOMB 100/200 SUBS Special – Video

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Call Of Duty Advanced Warfare - DNA BOMB 100/200 SUBS Special
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Call Of Duty Advanced Warfare - DNA BOMB 100/200 SUBS Special - Video

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