Month: <span>October 2021</span>

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Clarifying the Hyperfunction Theory of Aging
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Clarifying the Hyperfunction Theory of Aging

My encounters with the hyperfunction theory of aging have at times left me confused, and I suspect that not all of those arguing for it are working from exactly the same picture in their heads. The version presented in today’s editorial is somewhat more clear, possibly because the primary intent of the paper is to clarify. It...

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Research finds significant reduction in depression, suicidality in youth receiving gender-affirming care or puberty blockers

AMERICAN ACADEMY OF PEDIATRICS A study abstract to be presented at the 2021 American Academy of Pediatrics National Conference & Exhibition found no effect on generalized anxiety over the 12-month study period. ITASCA, IL – Researchers found a 60% decrease in moderate and severe depression and 73% decrease in suicidality among transgender and non-binary youth...

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Frontrunner target for Parkinson’s Disease may only be relevant for small fraction of patients

UNIVERSITY OF COPENHAGEN – THE FACULTY OF HEALTH AND MEDICAL SCIENCES Parkinson’s Disease develops if a certain anti-viral receptor and its protein in the brain, called the interferon-beta pathway, is not functioning correctly. That causes the pathway to be blocked, and as a result the brain cells gradually starts to die. Scientists and private companies...

TTUHSC researcher investigates ways to enhance neurolysin activity in the brain
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TTUHSC researcher investigates ways to enhance neurolysin activity in the brain

TEXAS TECH UNIVERSITY HEALTH SCIENCES CENTER IMAGE: IN HIS MOST RECENT STUDY, TTUHSC’S VARDAN KARAMYAN, PH.D., LED A COLLABORATIVE INVESTIGATION TO EVALUATE THE POTENTIAL OF NEUROLYSIN AS A THERAPEUTIC TARGET FOR STROKE. CREDIT: TTUHSC Ischemic stroke, the second leading cause of death worldwide, occurs when a vessel to the brain is blocked, reducing blood flow...

Skin cancer harbors targetable mutation
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Skin cancer harbors targetable mutation

by Will Doss,  Northwestern University Tumor skin biopsy from two different patients. One patient who has a JAK2 gene fusion is positive for pSTAT3 staining, a marker of activated JAK-STAT signaling (left). Another patient who lacks the JAK2 gene fusion is negative for pSTAT3 (right). The patient with the JAK2 fusion is predicted to have good...

Study finds that adults who stutter don’t stutter when they’re alone
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Study finds that adults who stutter don’t stutter when they’re alone

by  New York University Graph showing the percent of syllables stuttered by participants for each condition. Jackson, E. S., Miller, L. R., Warner, H. J., & Yaruss, J. S. (2021). Adults who stutter do not stutter during private speech. Credit: Journal of Fluency Disorders, 105878 A study led by NYU Steinhardt Professor Eric S. Jackson finds that...

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Research: Dangerous challenge on “dry scooping” pre-workout powder is prevalent, popular on internet

AMERICAN ACADEMY OF PEDIATRICS ITASCA, IL – A potentially deadly new challenge called “dry scooping” is prevalent on the internet, and new research shows video demonstrations on one social media platform popular among teens amassed more than 8 million views. Dry scooping refers to the improper use of pre-workout supplements, a powder typically added to...

What’s the difference between a COVID-19 booster shot and a third dose?
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What’s the difference between a COVID-19 booster shot and a third dose?

by Ileana Varela,  Florida International University Dr. Eneida Roldan administers a COVID-19 vaccine at FIU vaccination site. January 27, 2021. Credit: Florida International University COVID-19 vaccine choices are getting more complicated. So don’t feel bad if you are confused about the different COVID-19 vaccines and who’s eligible for what. In addition to the three original vaccines...

Amyloid beta and serotonin may be keys to predicting who develops late-life depression
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Amyloid beta and serotonin may be keys to predicting who develops late-life depression

by  Johns Hopkins University School of Medicine Image from a Johns Hopkins Medicine study showing PET scans from brains of people with and without late-life depression. The brains of patients with late-life depression show more yellow to red regions (scans on the left), indicating higher amyloid beta protein levels, and more blue regions (scans on the...

Researchers identify stem cell population key for bone regeneration
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Researchers identify stem cell population key for bone regeneration

by  University of Tsukuba Fig. 1. Isolation and characterization of CD73-EGFP+ cells from BM. (A) EGFP+ colonies containing EGFP− cells of primary BM cultures displayed typical MSC-like morphology at day 5 in culture. Scale bars 100 μm, insets 10 μm. (B) EGFP+ and EGFP− cell fractions were sorted by flow cytometry from passage 2 to 3 of a...