Medical research

Viral 'molecular scissor' is next COVID-19 drug target

American and Polish scientists, reporting Oct. 16 in the journal Science Advances, laid out a novel rationale for COVID-19 drug design—blocking a molecular "scissor" that the virus uses for virus production and to disable ...

Medical research

Building bridges: PARP enzymes bring broken DNA together

Scientists at St. Jude Children's Research Hospital have identified the structure of double-strand DNA break repair by PARP enzymes. The findings show that PARP2 can bridge the gap, bringing two broken DNA ends together.

Medications

ACE inhibitor/ARB use not tied to COVID-19 test positivity

(HealthDay)—Angiotensin-converting enzyme inhibitor (ACEI) and/or angiotensin receptor blocker (ARB) use is not associated with COVID-19 test positivity, according to a study published online May 5 in JAMA Cardiology.

Diseases, Conditions, Syndromes

ACEIs/ARBs not linked to severity or mortality of COVID-19

(HealthDay)—For patients with hypertension hospitalized with COVID-19 infections, angiotensin-converting enzyme inhibitors (ACEIs)/angiotensin receptor blockers (ARBs) are not associated with the severity or mortality of ...

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