Diet-Induced Arteriosclerosis [Neurosurgery Wiki]

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====== Diet-Induced Arteriosclerosis ======


Hunjadi et al. investigated whether  [[Matcha]] [[Green Tea]] Powder modulates the [[HDL]] function and thereby influences the atherogenic process in an [[animal model]] with a strong influence on humans situation.

After a pretreatment phase based on a standard [[diet]], ten female NZW rabbits were fed a high-fat diet for 20 weeks. The treatment group was additionally administered 1% matcha during the whole experiment. Long-term matcha treatment led to lowered HDL cholesterol, impaired cholesterol transport manifested by reduced in vitro cholesterol efflux capacity, reduced CETP-mediated cholesterol ester (CE) transfer between HDL and triglyceride-rich particles, and reduced macrophage-specific in vivo transfer, where we observed increased absorption of cholesterol in the liver but a decreased secretion into bile. Pulse wave velocity, assessed by nuclear magnetic resonance, was increased in matcha-treated animals, and a similar trend was observed for atherosclerotic lesion formation.

Long-term matcha green tea treatment of hypercholesterolemic rabbits caused impaired reverse cholesterol transport and increased vascular stiffness, and susceptibility for atherosclerotic lesion development.
((Hunjadi M, Sieder C, Beierfuß A, Kremser C, Moriggl B, Welte R, Kastner C, **Mern DS**, Ritsch A. [[Matcha]] Green Tea Powder does not Prevent [[Diet-Induced Arteriosclerosis]] in New Zealand White Rabbits Due to Impaired Reverse Cholesterol Transport. Mol Nutr Food Res. 2021 Aug 14:e2100371. doi: 10.1002/mnfr.202100371. Epub ahead of print. PMID: 34391214.))