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Keywords:

  • telocytes;
  • telopodes;
  • liver;
  • CD34;
  • c-kit;
  • vimentin;
  • PDGFR-α, β;
  • hepatic putative stem cells

Abstract

Hepatic interstitial cells play a vital role in regulating essential biological processes of the liver. Telocytes (TCs), a novel type of interstitial cells firstly identified by Popescu and his coworkers, have been reported in many tissues and organs, but not yet in liver (go to http://www.telocytes.com). We used transmission electron microscopy and immunofluorescence (double labelling for CD34 and c-kit/CD117, or vimentin, or PDGF Receptor-α, or β) to provide evidence for the existence of TCs in mice liver. The distribution of TCs in liver was found to be of similar density in the four hepatic lobes. In conclusion, here we show the presence of TCs in mice liver. It remains to be determined the possible roles of TCs in the control of liver homeostasis and regeneration, the more so as a close special relationship was found between TCs and hepatic putative stem (progenitor) cells.