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  • Many medical curricula lack sufficient nutrition education, which is crucial for health outcomes.
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: Nuclear fragmentation generates a diverse dosimetric environment in the path ofC ion beams. Concise parametrization of the beam's composition is paramount for determining key correction factors in clinical dosimetry. This study sets out to provide such a parametrization based on detailed Monte Carlo simulations of clinically relevantC beams.

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Background: Legg-Calve-Perthes disease (LCPD) is a developmental disorder causing avascular necrosis of the femoral head in children, with long-term consequences that can extend into adulthood. Early diagnosis and management in primary care are crucial but challenging.

Aim: This review aims to provide a concise overview of the presentation, differential diagnosis and management of LCPD, offering practical guidance for primary healthcare professionals.

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Concise Asymmetric Total Syntheses of (+)-Dihydropleurotinic Acid and (-)-Pleurotin, Enabling Rapid Late-Stage Diversification.

JACS Au

November 2024

Laboratory of Medicinal Chemical Biology, Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou 215123, China.

(-)-Pleurotin () and (+)-dihydropleurotinic acid () are benzoquinone meroterpenoids isolated from fungal sources with powerful antitumor and antibiotic activities. Concise asymmetric total syntheses of the stereochemically pure (+)-dihydropleurotinic acid () and (-)-pleurotin () from the chiral pool ()-Roche ester-derived vinyl bromide have been achieved in 12 and 13 longest linear steps, respectively. The key transformations feature a Michael addition/alkylation cascade reaction to forge three contiguous stereocenters matched with the natural products, a PtO-catalyzed stereoselective reduction of olefin to generate the correct stereocenter at C3, a palladium-catalyzed Negishi cross-coupling between triflate and zinc reagent to introduce the redox-sensitive para-quinone moiety, and a hydroboration/copper-catalyzed carboxylation sequence to incorporate the vital carboxyl group.

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Ethnopharmacological Relevance: Inflammatory Bowel Disease (IBD) is an inflammatory intestinal disease, and with prolonged illness duration, the annual risk of IBD progressing to colitis-associated colorectal cancer (CAC) gradually increases. In recent years, there has been a noticeable trend towards the application of traditional Chinese medicine (TCM) in the treatment of CAC.

Aim Of This Review: This comprehensive review summarizes the pathogenesis of CAC and details the therapeutic benefits of TCM in treating CAC, including various TCM prescriptions and ingredients, establishing the theoretical foundation for the application of TCM in CAC treatment.

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