Influence of Combined Microinjection of Gene Engineering Construct and Endonuclease on Preimplantation Development of Mouse Embryos in vitro

Influence of Combined Microinjection of Gene Engineering Construct and Endonuclease on... We studied the influence of combined microinjection of a gene engineering construct and site-specific endonuclease SalIin the pronucleus on preimplantation development of (CBA × C57BL)F1 mouse embryos in vitro. The rate of survival of the embryos was estimated according to their capacity to develop until the blastocyst stage and hatch from zona pellucida. The results obtained suggest that the microinjection of exogenous DNA jointly with endonuclease SalI at concentrations from 0.1 to 0.01 U/μl decreased reliably the rate of survival, as compared to the control (p < 0.05 and p < 0.01, respectively). However, a decrease of endonuclease SalI concentration in the injection mixture to 0.01 U/μl enhanced the capacity of mouse embryos to develop until the blastocyst stage and hatch from zona pellucida, as compared to the embryos microinjected with exogenous DNA and endonuclease SalI at a higher concentration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Influence of Combined Microinjection of Gene Engineering Construct and Endonuclease on Preimplantation Development of Mouse Embryos in vitro

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Publisher
Springer Journals
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/B:RUDO.0000043826.95029.1e
Publisher site
See Article on Publisher Site

Abstract

We studied the influence of combined microinjection of a gene engineering construct and site-specific endonuclease SalIin the pronucleus on preimplantation development of (CBA × C57BL)F1 mouse embryos in vitro. The rate of survival of the embryos was estimated according to their capacity to develop until the blastocyst stage and hatch from zona pellucida. The results obtained suggest that the microinjection of exogenous DNA jointly with endonuclease SalI at concentrations from 0.1 to 0.01 U/μl decreased reliably the rate of survival, as compared to the control (p < 0.05 and p < 0.01, respectively). However, a decrease of endonuclease SalI concentration in the injection mixture to 0.01 U/μl enhanced the capacity of mouse embryos to develop until the blastocyst stage and hatch from zona pellucida, as compared to the embryos microinjected with exogenous DNA and endonuclease SalI at a higher concentration.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Dec 30, 2004

References

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