Feature Channels: Genetics

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Released: 12-Nov-2013 6:00 PM EST
Single-Cell Genome Sequencing Gets Better
University of California San Diego

Researchers led by bioengineers at the University of California, San Diego have generated the most complete genome sequences from single E. coli cells and individual neurons from the human brain. The breakthrough comes from a new single-cell genome sequencing technique that confines genome amplification to fluid-filled wells with a volume of just 12 nanoliters.

Released: 11-Nov-2013 1:00 PM EST
Researchers Identify First Genetic Mutations Linked to Persistent Atopic Dermatitis in African-American Children
Perelman School of Medicine at the University of Pennsylvania

A new report by researchers in the Perelman School of Medicine at the University of Pennsylvania found that loss-of-function mutations to Filaggrin-2 (FLG2), a gene that creates a protein responsible for retaining moisture and protecting the skin from environmental irritants, were associated with atopic dermatitis in African American children.

8-Nov-2013 2:00 PM EST
Un-junking Junk DNA
UC San Diego Health

A study led by researchers at the University of California, San Diego School of Medicine shines a new light on molecular tools our cells use to govern regulated gene expression.

5-Nov-2013 5:00 PM EST
Genetic Variation Increases Risk of Kidney Disease Progression in African Americans
University of Maryland Medical Center

New research provides direct evidence that genetic variations in some African Americans with chronic kidney disease contribute to a more rapid decline in kidney function compared with white Americans.

6-Nov-2013 4:30 PM EST
Gene Puts African Americans At Higher Risk For Kidney Failure, Study Says
Johns Hopkins Bloomberg School of Public Health

Genetic factors in African Americans with chronic kidney disease (CKD) put them at a greater risk for end-stage renal disease (ESRD) compared to white Americans, according to a new study released today in the New England Journal of Medicine. Researchers at Johns Hopkins University and the University of Maryland contributed data from two separate studies: the African American Study of Kidney Disease and Hypertension (AASK) and the Chronic Renal Insufficiency Cohort Study (CRIC).

Released: 7-Nov-2013 3:10 PM EST
Improved Decoding of DNA for Custom Medical Treatments
American Technion Society

Technion scientists have moved a step closer to creating custom medical treatment plans based on a patient's DNA, pinpointing the root of a patient's illness and making sure treatment will not cause a fatal allergic reaction.

5-Nov-2013 5:00 PM EST
Mayo Clinic Researchers Identify Role of Cul4 Molecule in Genome Instability and Cancer
Mayo Clinic

Mayo Clinic researchers have shown that a molecule called Cul4 helps to deposit DNA-packaging histone proteins onto DNA, an integral step in cramming yards of genetic code into compact coils that can fit into each cell. When DNA isn’t packaged correctly, it can lead to the genomic instability characteristic of many forms of cancer.

5-Nov-2013 7:00 PM EST
Breakthrough Discoveries on Cellular Regeneration Seek to Turn Back the Body’s Clock
UT Southwestern Medical Center

Two groups of scientists at the Children’s Medical Center Research Institute at UT Southwestern (CRI) have made complementary discoveries that break new ground on efforts to turn back the body’s clock on cellular activity, paving the way for a better understanding of stem cells, tissue growth, and regeneration.

Released: 5-Nov-2013 5:00 PM EST
Researchers Discover New Path to Address Genetic Muscular Diseases
Arizona State University College of Liberal Arts and Sciences

For decades, scientists have searched for treatments for myopathies — genetic muscular diseases such as muscular dystrophy and ALS, also called Lou Gehrig’s disease. Now, an interdisciplinary team of researchers from Arizona State and Stanford Universities, and the University of Arizona, has discovered a new avenue to search for treatment possibilities.

Released: 5-Nov-2013 4:30 PM EST
Effects of Chronic Stress Can be Traced to Your Genes
Ohio State University

New study suggests “that if you’re working for a really bad boss over a long period of time, that experience may play out at the level of gene expression in your immune system," lead researcher says.

Released: 4-Nov-2013 3:00 PM EST
Brain Aging Is Conclusively Linked to Genes
Texas Biomedical Research Institute

For the first time in a large study sample, the decline in brain function in normal aging is conclusively shown to be influenced by genes, say researchers from the Texas Biomedical Research Institute in San Antonio and Yale University.

Released: 4-Nov-2013 11:00 AM EST
Gene Responsible for Hereditary Cancer Syndrome Found to Disrupt Critical Growth-Regulating Pathway
Whitehead Institute for Biomedical Research

Whitehead Institute scientists report that the gene mutated in the rare hereditary disorder known as Birt-Hogg-Dubé cancer syndrome prevents activation of mTORC1, a critical nutrient-sensing and growth-regulating cellular pathway.

Released: 4-Nov-2013 8:00 AM EST
Mutations Linked to Breast Cancer Treatment Resistance
Michigan Medicine - University of Michigan

Researchers at the University of Michigan Comprehensive Cancer Center have identified a type of mutation that develops after breast cancer patients take anti-estrogen therapies. The mutations explain one reason why patients often become resistant to this therapy.

Released: 1-Nov-2013 10:00 AM EDT
A Constellation in the Chaos of Cancer Chromosomes
Howard Hughes Medical Institute (HHMI)

New evidence suggests that aneuploidy patterns of chromosome deletion or amplification that are recurrent among tumors actually represent a driving force during tumor evolution and are very frequent in cancer.

30-Oct-2013 4:00 PM EDT
Critical Gene in Retinal Development and Motion Sensing Identified
Johns Hopkins Medicine

Our vision depends on exquisitely organized layers of cells within the eye’s retina, each with a distinct role in perception. Johns Hopkins researchers say they have taken an important step toward understanding how those cells are organized to produce what the brain “sees.” Specifically, they report identification of a gene that guides the separation of two types of motion-sensing cells, offering insight into how cellular layering develops in the retina, with possible implications for the brain’s cerebral cortex.

30-Oct-2013 4:45 PM EDT
Gene Found To Foster Synapse Formation In The Brain
Johns Hopkins Medicine

Researchers at Johns Hopkins say they have found that a gene already implicated in human speech disorders and epilepsy is also needed for vocalizations and synapse formation in mice. The finding, they say, adds to scientific understanding of how language develops, as well as the way synapses — the connections among brain cells that enable us to think — are formed.

28-Oct-2013 4:45 PM EDT
Evolution of New Species Requires Few Genetic Changes
University of Chicago Medical Center

Only a few genetic changes are needed to spur the evolution of new species—even if the original populations are still in contact and exchanging genes. Once started, however, evolutionary divergence evolves rapidly, ultimately leading to fully genetically isolated species, report scientists from the University of Chicago in the Oct 31 Cell Reports.

28-Oct-2013 5:00 PM EDT
Genetic Rarity Rules in Wild Guppy Population
Florida State University

Florida State University Professor Kimberly A. Hughes in the Department of Biological Science has a new study just published in the journal Nature that is the first to demonstrate a female preference for rare males using an experiment in a wild population, rather than a laboratory setting.



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