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Literature DB >> 2373192

Muscle lipofuscin content and satellite cell volume is increased after high altitude exposure in humans.

M Martinelli¹, R Winterhalder, P Cerretelli, H Howald, H Hoppeler.

Abstract

Muscle ultrastructural changes during a typical expedition to the Himalayas were analyzed by taking muscle biopsies from seven climbers before and after their sojourn at high altitude (over 5000 m for 8 weeks). M. vastus lateralis samples were analyzed morphometrically from electron micrographs. A quantitative evaluation was made of lipofuscin, satellite cells and myonuclei. Significant increases of the volume densities of lipofuscin (+ 235%) and satellite cells (+ 215%) were observed.

Entities: Chemical Species

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Year: 1990 PMID： 2373192 DOI： 10.1007/bf01939930

Source DB: PubMed Journal: Experientia ISSN： 0014-4754

20 in total

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