Abstract Title:

Optimized Curcumin, Pomegranate Extract, and Methylsulfonylmethane Reduce Acute, Systemic Inflammatory Response to a Half-marathon Race.

Abstract Source:

Altern Ther Health Med. 2020 Jul 1. Epub 2020 Jul 1. PMID: 32619204

Abstract Author(s):

Elizabeth A Tanner, Melody A Gary, Stephan Michalik, Asheal A Davis, Brian K McFarlin

Article Affiliation:

Elizabeth A Tanner


Context: Endurance running places substantial physiological strain on the body, which can develop into chronic inflammation and overuse injuries, negatively affecting subsequent training and performance. A recent study found that dietary polyphenols and methlysulfonylmethane (MSM) can reduce systemic inflammation and oxidative stress without adverse side effects.

Objective: The purpose was to identify a set of candidate protein and RNA biomarkers that are associated with improved outcomes related to inflammation and muscle injury, when athletes used 3 proprietary supplements both prior to and during early recovery from a half-marathon race.

Design: The study was an open-label pilot study.

Setting: The study was field based, with sample analysis conducted in the Applied Physiology Laboratory in the Department of Kinesiology, Health Promotion and Recreation at the University of North Texas in Denton, Texas.

Participants: Participants were 15 young, exercise-trained men and women.

Intervention: The intervention group consumed 1000 mg/d of a proprietary 50-50 mix of optimized curcumin and pomegranate extract for 26 days. The group also consumed 500 mg/d of a proprietary MSM for the same period. Three days prior to and one day after a race, the daily dosage was doubled. The control group received no supplements.

Outcome Measures: Venous blood samples were collected at pre-race and at 4h and 24h after running a half-marathon race. The research team evaluated results for target proteins that have been associated with inflammation and muscle injury in the scientific literature. The team also performed an analysis of RNA biomarkers.

Results: At the 4h and 24h time points, a significant treatment-response was observed that included increases in proteins: (1) osteonectin/SPARC-osteonectin/secreted protein acidic and rich in cysteine and (2) BDNF-brain-derived neurotrophic factor. At the same points, the study also found increased RNA: (1) PACER-P50-associated COX-2 extragenic RNA, (2) PTGES-prostaglandin E synthase, (3) MYD88-innate immune signal transduction adaptor MYD88, (4) TNFS14-tumor necrosis factor (TNF) superfamily member 14, (5) THRIL-TNF and heterogeneous nuclear ribonucleoprotein L (HNRNPL)-related immunoregulatory long noncoding RNA, (6) TRAF6-TNF receptor associated factor 6, (7) CX3CL1-C-X3-C motif chemokine ligand 1, (8) MALAT1-metastasis-associated lung adenocarcinoma transcript 1, and (9) LINC00305-long intergenic nonprotein coding RNA 305.

Conclusions: The combination of polyphenol and MSM supplementation resulted in a systemic response that may translate to an accelerated rate of muscle recovery, allowing participants return to exercise and normal activities more quickly. This pilot study is the foundation for a larger investigation in the research team's laboratory.

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Sayer Ji
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