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Analysis of COVID-19 autopsies reveals many new details about this disease
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Analysis of COVID-19 autopsies reveals many new details about this disease

by The Mount Sinai Hospital Pathologists at The Mount Sinai Hospital, at the epicenter of the COVID-19 global pandemic, have prepared one of the largest, most comprehensive analysis of autopsies of COVID-19 victims to date, revealing many complex new details about the disease. The analysis was released on the preprint server MedRxiv. “An essential contribution...

Scientists trace path from PTSD to heart disease
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Scientists trace path from PTSD to heart disease

Bethesda, MD – People with post-traumatic stress disorder (PTSD) face a higher risk of heart disease at an earlier age than people without PTSD. A new study helps explain why. The research was scheduled to be presented at the American Physiological Society annual meeting in San Diego this month. Though the meeting, to be held...

APOE4 triggers early breakdowns in the blood-brain barrier
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APOE4 triggers early breakdowns in the blood-brain barrier

by University of Southern California New USC research reveals how APOE4, a genetic culprit for Alzheimer’s disease, triggers leaks in the brain’s plumbing system, allowing toxic substances to seep into the brain areas responsible for memory encoding and other cognitive functions. The damage is linked to future problems in learning and memory, even when the...

A new approach to treating vascular insulin damage in coronary heart disease
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A new approach to treating vascular insulin damage in coronary heart disease

by Bob Yirka , Medical Xpress A team of researchers affiliated with institutions in the U.K., Greece and Germany has found a new way to treat insulin damaged blood vessels associated with heart disease. In their paper published in the journal Science Translational Medicine, the group describes how they studied blood vessels in multiple heart...

‘Primitive’ stem cells shown to regenerate blood vessels in the eye
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‘Primitive’ stem cells shown to regenerate blood vessels in the eye

JOHNS HOPKINS MEDICINE Johns Hopkins Medicine scientists say they have successfully turned back the biological hands of time, coaxing adult human cells in the laboratory to revert to a primitive state, and unlocking their potential to replace and repair damage to blood vessels in the retina caused by diabetes. The findings from this experimental study,...

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Sticky situation inside blood vessels can worsen stroke damage

MEDICAL COLLEGE OF GEORGIA AT AUGUSTA UNIVERSITY AUGUSTA, Ga. (Jan. 15, 2020) – A stroke appears to create a sticky situation inside the blood vessels of the brain that can worsen damage days, even months later, scientists report. They have found that after stroke, exosomes — nanosized biological suitcases packed with an assortment of cargo...

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How high lipid levels cause inflammation and damage kidneys and blood vessels

by  Saarland University Doctors interested in ways to minimize the risk of cardiovascular disease have long had blood cholesterol levels in their sights. But other types of blood fats (also known as ‘lipids’) can also be damaging to health. “Our work has involved studying a special group of lipids, the triglycerides. We’ve been able to show...

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Here’s something that will raise your blood pressure

University of Tsukuba-led study shows that the apelin receptor and the α1A-adrenergic receptor work in a coordinated manner to control contraction of blood vessels by modulating the function of vascular smooth muscle cells UNIVERSITY OF TSUKUBA Tsukuba, Japan – Many questions remain about the mechanisms that control blood pressure, particularly in relation to hypertension. Among the factors...

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Stress and blood vessel problems

by Megan Jentz, Emory University Emory University School of Medicine researchers have uncovered an important risk pathway for cardiovascular disease (CVD) by utilizing an oft-cited fear—public speaking—to measure how stress changes the lining of blood vessels in patients with coronary artery disease (CAD). While psychological stress is already associated with CVD, the Emory study—published in this month’s...