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Background: Lateral epicondylitis is caused by overuse and manifests as pain, weakness, and difficulty with object manipulation. Platelet-rich plasma (PRP) and dextrose injections have shown promise in reducing pain and improving function.

Hypothesis: PRP is more effective for force precision control of the extensor carpi radialis brevis (ECRB) muscle than dextrose injection for patients with chronic lateral epicondylitis (CLE).

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Lewy body diseases and the gut.

Mol Neurodegener

January 2025

Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA.

Gastrointestinal (GI) involvement in Lewy body diseases (LBDs) has been observed since the initial descriptions of patients by James Parkinson. Recent experimental and human observational studies raise the possibility that pathogenic alpha-synuclein (⍺-syn) might develop in the GI tract and subsequently spread to susceptible brain regions. The cellular and mechanistic origins of ⍺-syn propagation in disease are under intense investigation.

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The Circulating Renin-Angiotensin System and Mortality among Patients Hospitalized for COVID-19: A Mechanistic Substudy of the ACTIV-4 Host Tissue Trials.

Am J Physiol Lung Cell Mol Physiol

January 2025

Department of Internal Medicine, Section of Pulmonary, Critical Care, Allergy, and Immunologic Diseases, Wake Forest University School of Medicine, Winston-Salem, North Carolina.

SARS-CoV-2 targets angiotensin converting enzyme-2 (ACE2), a key peptidase of the renin-angiotensin system (RAS), which regulates the balance of the vasoconstrictor/inflammatory peptide Ang II and the vasodilator/anti-inflammatory peptide Ang-(1-7). Few studies have quantified the circulating elements of the RAS longitudinally in SARS-CoV-2 infection and their association with COVID-19 outcomes. Thus, we evaluated the association of circulating RAS enzymes and peptides with mortality among patients with COVID-19.

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Innate immune function in chronic rhinosinusitis.

J Allergy Clin Immunol

January 2025

Division of Rhinology, Department of Otorhinolaryngology, University of Pennsylvania Perelman School of Medicine; Monell Chemical Senses Center, Philadelphia; PA; Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA. Electronic address:

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