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Article ID: 721208

Dementia patients’ adult kids diagnosed earlier than their parents

Washington University in St. Louis

A new study from Washington University School of Medicine in St. Louis indicates that people with dementia – whose parents also had dementia – develop symptoms an average of six years earlier than their parents.

Released:
22-Oct-2019 4:40 PM EDT
Newswise: U.S. Population of Eastern Mallards has Dropped by 50 Percent

Article ID: 721156

U.S. Population of Eastern Mallards has Dropped by 50 Percent

SUNY College of Environmental Science and Forestry

The U.S. population of eastern mallards – dabbling ducks with distinctive green heads – has plunged inexplicably by 50 percent in the last 20 years, causing scientists to launch research into the birds’ productivity, changes in their habitat and their genetic diversity.

Released:
22-Oct-2019 11:05 AM EDT
  • Embargo expired:
    22-Oct-2019 11:00 AM EDT

Article ID: 721143

Mount Sinai Researchers Find That Most Adults Born Prematurely Survive Without Major Comorbidities

Mount Sinai Health System

Most people born prematurely are likely to survive into adulthood without developing major chronic diseases or conditions like asthma, hypertension, diabetes, and other illnesses, Mount Sinai researchers report in a study published today in the Journal of the American Medical Association (JAMA).

Released:
22-Oct-2019 10:00 AM EDT
Newswise: Scientists discover link between unique brain cells and OCD and anxiety
  • Embargo expired:
    22-Oct-2019 11:00 AM EDT

Article ID: 721142

Scientists discover link between unique brain cells and OCD and anxiety

University of Utah

Scientists discovered a new lineage of specialized brain cells, called Hoxb8-lineage microglia, and established a link between the lineage and OCD and anxiety in mice. Their experiments proved that Hoxb8-lineage microglia prevent mice from displaying OCD behaviors and sex hormones drove symptom severity and anxiety.

Released:
22-Oct-2019 10:20 AM EDT

Social and Behavioral Sciences

Newswise: Single Mutation Dramatically Changes Structure and Function of Bacteria’s Transporter Proteins

Article ID: 721147

Single Mutation Dramatically Changes Structure and Function of Bacteria’s Transporter Proteins

New York University

Swapping a single amino acid in a simple bacterial protein changes its structure and function, revealing the effects of complex gene evolution, finds a new study published in the journal eLife. The study—conducted using E. coli bacteria—can help researchers to better understand the evolution of transporter proteins and their role in drug resistance.

Released:
22-Oct-2019 10:05 AM EDT

Article ID: 721128

Did Archaic Genetic Variants Help Melanesians Adapt?

University of Washington School of Medicine

Compared with other world groups, the DNA of Melanesian populations carries some of the largest percentage of ancestry from now-extinct Neanderthals and Denisovans. A genomic study of Melanesians suggests that certain genetic variants inherited from archaic human-like species may have helped these modern people adapt to their tropical island environment.

Released:
21-Oct-2019 5:05 PM EDT
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  • Embargo expired:
    21-Oct-2019 11:00 AM EDT

Article ID: 720962

Deepest Look Yet at Brewer’s Yeasts Reveals the Diversity Harnessed by Humans

University of Wisconsin-Madison

In the deepest look yet at the diversity of these yeasts, scientists from the University of Wisconsin–Madison reveal the dizzying complexity found in bottles of beer, wine and cider. By sequencing the genomes of more than 100 hybrid yeasts, the researchers discovered seven distinct combinations of yeast species, many of them tied to unique fermented beverages.

Released:
17-Oct-2019 2:40 PM EDT
Embargo will expire:
23-Oct-2019 1:00 PM EDT
Released to reporters:
21-Oct-2019 9:45 AM EDT

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Newswise: Can timing of food affect lifespan?
  • Embargo expired:
    20-Oct-2019 5:00 PM EDT

Article ID: 721009

Can timing of food affect lifespan?

UT Southwestern Medical Center

Dr. Joseph Takahashi, noted for discovering the first gene controlling biological clocks in mammals, addressed the topic at the Society for Neuroscience annual meeting where he was awarded the Gruber Neuroscience Prize for his pioneering work in circadian rhythms.

Released:
18-Oct-2019 12:00 PM EDT

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