Korean J Fertil Steril.  2000 Sep;27(3):253-259.

Preimplantation Development and Apoptosis of Mouse Embryos in the Medium Containing Extracellualr Matrix

Abstract


OBJECTIVE
To verify the effect of Matrigel, a ECM complex from Engelbreth-Holm-Swarm(EHS) mouse sarcoma on the preimplantation development and apoptosis of mouse fertilized eggs. METHOD: Late Pronucleus stage eggs were cultured through the blastocyst stage in the presence of Matrigel (0.5%, v/v). Characteristics of apoptosis and cell number assessed by Hoecst staining and TUNEL labeling at the blastocyst stage, respectively.
RESULTS
Morphological development, number of cells per embryo was significantly increased but rate and number of TUNEL positive nuclei of the embryo were decreased in the presence of Matrigel.
CONCLUSION
This result suggested that at low concentration of Matrigel improves both viability and morphological development in the preimplantation mouse embryos.


MeSH Terms

Animals
Apoptosis*
Blastocyst
Cell Count
Eggs
Embryonic Structures*
In Situ Nick-End Labeling
Mice*
Ovum
Sarcoma
Zygote
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