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Property "Has-20abstract" (as page type) with input value "Version-201-20(-27-27'v1-27-27')-20-27-27'2019-2D06-2D04-27-27'-20-5Bhttp:-2F-2Fwww.mitofit.org-2Fimages-2Fe-2Fe5-2FZujovic_2019_MitoFit_Preprint_Arch_doi_10.26124mitofitEA19.MiPSchool.0003.pdf-20doi:10.26124-2Fmitofit:ea19.MiPSchool.0003-5D-0A-0AMitochondrial-20physiology-20analysis-20is-20central-20to-20cell-20metabolism-20research-20and-20understanding-20of-20many-20human-20diseases.-20High-20resolution-20respirometry-20represents-20an-20efficient-20approach-20to-20study-20mitochondrial-20physiology-20in-20isolated-20mitochondria,-20both-20permeabilized-20and-20intact-20cells,-20as-20well-20as-20in-20tissue-20biopsy-20samples.-20We-20use-20digitonin-20for-20controlled-20plasma-20membrane-20permeabilization-20to-20perform-20extended-20functional-20OXPHOS-20analysis-20by-20O2k-20Oxygraph-20in-20palmitate-20treated-20cells,-20an-20in-20vitro-20model-20of-20insulin-20resistance-20and-20lipotoxicity.-20Digitonin-20has-20high-20affinity-20for-20cholesterol,-20thus-20low-20digitonin-20concentration-20will-20completely-20and-20selectively-20permeabilize-20plasma-20membrane-20(richer-20in-20cholesterol),-20compared-20to-20mitochondrial-20and-20endoplasmic-20reticulum-20membranes-20(low-20in-20cholesterol),-20so-20the-20latter-20are-20affected-20only-20at-20higher-20digitonin-20concentrations.-20It-20is-20known-20that-20molecular-20composition-20of-20plasma-20membrane-20differs-20between-20cell-20types-20and-20that-20modification-20in-20plasma-20membrane-20lipid-20composition-20occurs-20in-20tumor-20cells-20-5B1-5D.-20Thus,-20every-20cell-20line-20requires-20previous-20optimization-20of-20adequate-20digitonin-20concentration,-20which-20is-20sufficient-20to-20permeabilize-20plasma-20membrane-20and-20which-20allows-20entrance-20of-20mitochondrial-20substrates-20and-20inhibitors,-20while-20keeping-20mitochondria-20intact-20and-20functional-20in-20their-20intracellular-20environment." contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.

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