PMID: 9419774Jul 1, 1994Paper

Enhancement of in vitro murine embryo development by recombinant leukemia inhibitory factor

Journal of the Society for Gynecologic Investigation
M H MitchellS Oehninger

Abstract

Human recombinant leukemia inhibitory factor (rLIF) has been shown to stimulate hatching of murine and ovine embryos in vitro. The temporal and dose-dependent effects of murine rLIF (mrLIF) and human rLIF (hrLIF) on embryo development in two different mouse strains were investigated in this work. Two-cell embryos were recovered from the fallopian tubes of superovulated/mated females and cultured in Krebs medium plus bovine serum albumin in microdroplets under oil. In the B6CBF1 strain, mrLIF significantly stimulated blastocyst formation and decreased embryo fragmentation/degeneration when added simultaneously at the initiation of culture or 24 hours thereafter. Human rLIF also had a positive effect on development. In the CD1 strain (lower fecundity), mrLIF dose-dependent effects were observed, with enhanced developmental stimulation achieved with higher doses. These findings confirm that hrLIF stimulates mouse embryo development in vitro and that different mouse strains show distinct responses to the cytokine. In addition, mrLIF enhances blastocyst formation and decreases embryo fragmentation when added to the embryo culture as early as the two-cell stage.

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Citations

Aug 1, 2002·American Journal of Reproductive Immunology : AJRI·Marie-Pierre Piccinni
Jul 28, 2004·American Journal of Reproductive Immunology : AJRI·Zdzisława Kondera-AnaszAleksandra Mielczarek-Palacz
Aug 5, 1998·American Journal of Reproductive Immunology : AJRI·S CoskunS T al-Sedairy
Feb 1, 1995·Journal of Assisted Reproduction and Genetics·S W Kauma, D W Matt
Nov 5, 1997·Annals of the New York Academy of Sciences·A BoriniC Flamigni
May 8, 2008·Current Opinion in Obstetrics & Gynecology·Kevin S Richter
Sep 11, 2003·European Journal of Obstetrics, Gynecology, and Reproductive Biology·Jan-S KrüsselCarlos Simón
Jan 18, 2011·Journal of Reproductive Immunology·E Dimitriadis, E Menkhorst

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