Growth factor expression and function in the human and mouse preimplantation embryo

There is increasing evidence that even before implantation, human development is regulated by embryonically and maternally derived growth factors. Studies in other mammalian species have shown that growth factors and their receptors are expressed by the preimplantation embryo and the reproductive tr...

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Veröffentlicht in:Journal of endocrinology 2002-02, Vol.172 (2), p.221-236
Hauptverfasser: Hardy, K, Spanos, S
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container_title Journal of endocrinology
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creator Hardy, K
Spanos, S
description There is increasing evidence that even before implantation, human development is regulated by embryonically and maternally derived growth factors. Studies in other mammalian species have shown that growth factors and their receptors are expressed by the preimplantation embryo and the reproductive tract. Furthermore, a number of growth factors have been shown to affect rate of embryo development, the proportion of embryos developing to the blastocyst stage, blastocyst cell number, metabolism and apoptosis. Growth factor ligands and receptors are also expressed in human embryos and the maternal reproductive tract, and supplementation of culture medium with exogenous growth factors affects cell fate, development and metabolism of human embryos in vitro. Autocrine, paracrine and endocrine pathways that may operate within the embryo and between the embryo and the reproductive tract before implantation are proposed.
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subjects Animals
Apoptosis - physiology
Biological and medical sciences
Blastocyst - metabolism
Cell Culture Techniques
Embryonic and Fetal Development - physiology
Fallopian Tubes - metabolism
Female
Fertilization in Vitro
Growth Substances - metabolism
Humans
Ligands
Mammals - embryology
Mammals - metabolism
Mice
Pregnancy
Protein-Tyrosine Kinases - metabolism
Receptors, Growth Factor - metabolism
Signal Transduction - physiology
title Growth factor expression and function in the human and mouse preimplantation embryo
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