Researchers investigated the effects of bile acids on tissue factor activity and thrombin generation in hepatocytes and correlated these effects with activation of farnesoid X receptor-dependent signaling and apoptosis.
[Laboratory Investigation]
7753456 B6AP7Q23 items 1 apa 0 default asc 1 163599 https://www.stemcellsciencenews.com/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-241ddfd8012a6dd98791321b45a94b94%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22B6AP7Q23%22%2C%22library%22%3A%7B%22id%22%3A7753456%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Greimel%20et%20al.%22%2C%22parsedDate%22%3A%222021-06-18%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EGreimel%2C%20T.%2C%20Jahnel%2C%20J.%2C%20Pohl%2C%20S.%2C%20Strini%2C%20T.%2C%20Tischitz%2C%20M.%2C%20Meier-Allard%2C%20N.%2C%20Holasek%2C%20S.%2C%20Meinel%2C%20K.%2C%20Aguiriano-Moser%2C%20V.%2C%20Zobel%2C%20J.%2C%20Haidl%2C%20H.%2C%20Gallistl%2C%20S.%2C%20Panzitt%2C%20K.%2C%20Wagner%2C%20M.%2C%20%26amp%3B%20Schlagenhauf%2C%20A.%20%282021%29.%20Bile%20acid-induced%20tissue%20factor%20activity%20in%20hepatocytes%20correlates%20with%20activation%20of%20farnesoid%20X%20receptor.%20%3Ci%3ELaboratory%20Investigation%3C%5C%2Fi%3E%2C%201%26%23x2013%3B9.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41374-021-00628-z%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41374-021-00628-z%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.stemcellsciencenews.com%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D7753456%26amp%3Bitem_key%3DB6AP7Q23%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Bile%20acid-induced%20tissue%20factor%20activity%20in%20hepatocytes%20correlates%20with%20activation%20of%20farnesoid%20X%20receptor%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Theresa%22%2C%22lastName%22%3A%22Greimel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J%5Cu00f6rg%22%2C%22lastName%22%3A%22Jahnel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sina%22%2C%22lastName%22%3A%22Pohl%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Tanja%22%2C%22lastName%22%3A%22Strini%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Martin%22%2C%22lastName%22%3A%22Tischitz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nathalie%22%2C%22lastName%22%3A%22Meier-Allard%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sandra%22%2C%22lastName%22%3A%22Holasek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Katharina%22%2C%22lastName%22%3A%22Meinel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Victor%22%2C%22lastName%22%3A%22Aguiriano-Moser%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Joachim%22%2C%22lastName%22%3A%22Zobel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Harald%22%2C%22lastName%22%3A%22Haidl%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Siegfried%22%2C%22lastName%22%3A%22Gallistl%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Katrin%22%2C%22lastName%22%3A%22Panzitt%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Martin%22%2C%22lastName%22%3A%22Wagner%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Axel%22%2C%22lastName%22%3A%22Schlagenhauf%22%7D%5D%2C%22abstractNote%22%3A%22Bile%20acids%20%28BA%29%20have%20been%20found%20to%20promote%20coagulation%20by%20increasing%20tissue%20factor%20%28TF%29%20activity.%20The%20contribution%20of%20elevated%20BA%20levels%20and%20cholestasis%20to%20TF%20decryption%20within%20the%20liver%20parenchyma%20and%20the%20role%20of%20farnesoid%20X%20receptor%20%28FXR%29%20in%20this%20process%20remain%20unclear.%20We%20investigated%20the%20effects%20of%20BA%20on%20TF%20activity%20and%20thrombin%20generation%20in%20hepatocytes%20and%20correlated%20these%20effects%20with%20activation%20of%20FXR-dependent%20signaling%20and%20apoptosis.%20HepG2%20cells%20and%20primary%20hepatocytes%20were%20incubated%20with%20chenodeoxycholic%20acid%20%28CDCA%29%2C%20glycochenodeoxycholic%20acid%20%28GCDCA%29%2C%20ursodeoxycholic%20acid%20%28UCDA%29%2C%20or%20the%20synthetic%20FXR%20agonist%20GW4064%20for%2024%5Cu2009h.%20MTT%20tests%20demonstrated%20cell%20viability%20throughout%20experiments.%20TF%20activity%20was%20tested%20via%20factor%20Xa%20generation%20and%20thrombin%20generation%20was%20measured%20by%20calibrated%20automated%20thrombography.%20Increased%20TF%20activity%20alongside%20enhanced%20thrombin%20generation%20was%20observed%20with%20CDCA%20and%20GW4064%20but%20not%20with%20GCDCA%20and%20UDCA.%20TF%20activity%20was%20substantially%20reduced%20when%20FXR%20activation%20was%20blocked%20with%20the%20antagonist%20DY%20268.%20Quantitative%20polymerase%20chain%20reaction%20revealed%20upregulation%20of%20FXR%20target%20genes%20only%20by%20CDCA%20and%20GW4064.%20Western%20blot%20analysis%20and%20fluorescence%20microscopy%20showed%20no%20TF%20overexpression%20arguing%20for%20TF%20decryption.%20Caspase%203%20activity%20measurements%20and%20flow%20cytometric%20analysis%20of%20Annexin%20V%20binding%20showed%20no%20signs%20of%20apoptosis.%20Long-term%20exposure%20of%20hepatocytes%20to%20nontoxic%20BA%20may%20cause%20intracellular%20FXR%20overstimulation%2C%20triggering%20TF%20decryption%20irrespective%20of%20the%20amphiphilic%20properties%20of%20BA.%20The%20effect%20of%20BA%20on%20TF%20activation%20correlates%20with%20the%20molecule%5Cu2019s%20ability%20to%20enter%20the%20cells%20and%20activate%20FXR.%20TF%20decryption%20occurs%20independently%20of%20apoptotic%20mechanisms.%22%2C%22date%22%3A%222021-06-18%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1038%5C%2Fs41374-021-00628-z%22%2C%22ISSN%22%3A%221530-0307%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fwww.nature.com%5C%2Farticles%5C%2Fs41374-021-00628-z%22%2C%22collections%22%3A%5B%22NTMX856R%22%5D%2C%22dateModified%22%3A%222021-06-18T16%3A39%3A39Z%22%7D%7D%5D%7D
Greimel, T., Jahnel, J., Pohl, S., Strini, T., Tischitz, M., Meier-Allard, N., Holasek, S., Meinel, K., Aguiriano-Moser, V., Zobel, J., Haidl, H., Gallistl, S., Panzitt, K., Wagner, M., & Schlagenhauf, A. (2021). Bile acid-induced tissue factor activity in hepatocytes correlates with activation of farnesoid X receptor. Laboratory Investigation, 1–9. https://doi.org/10.1038/s41374-021-00628-z Cite