Ectopic expression of SPARC in Xenopus embryos interferes with tissue morphogenesis: identification of a bioactive sequence in the C-terminal EF hand.

@article{Damjanovski1997EctopicEO,
  title={Ectopic expression of SPARC in Xenopus embryos interferes with tissue morphogenesis: identification of a bioactive sequence in the C-terminal EF hand.},
  author={Sashko Damjanovski and Xantha Karp and Sarah E Funk and Elizabeth Sage and Murice J Ringuette},
  journal={The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society},
  year={1997},
  volume={45 5},
  pages={
          643-55
        }
}

• Sashko Damjanovski, Xantha Karp, +2 authors Murice J Ringuette
• Published 1997 in
  The journal of histochemistry and cytochemistry…

SPARC is a matricellular Ca(2+)-binding glycoprotein that exhibits both counteradhesive and antiproliferative effects on cultured cells. It is secreted by cells of various tissues as a consequence of morphogenesis, response to injury, and cyclic renewal and/or repair. In an earlier study with Xenopus embryos we had shown a highly specific and regulated pattern of SPARC expression. We now show that ectopic expression of SPARC before its normal embryonic activation produces severe anomalies, some… CONTINUE READING

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