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Identification of growth hormone receptor in the ovary of tilapia, Oreochromis mossambicus

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Abstract

Growth hormone receptor (GH-R) cDNA was isolated and characterized in the tilapia, Oreochromis mossambicus. GH-R mRNA was expressed in the nucleus and cytoplasm of the young oocytes and in the follicles surrounding vitellogenic oocytes showing a correlation with ovarian IGF-I mRNA levels. However, no change was seen in liver GH-R/IGF-I mRNA levels or plasma GH/IGF-I levels during ovarian development, suggesting that GH/IGF-I axis may be involved in the ovarian development in paracrine or autocrine manner, independent of liver derived IGF-I.

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References

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Kajimura, S., Kawaguchi, N., Kawazoe, K. et al. Identification of growth hormone receptor in the ovary of tilapia, Oreochromis mossambicus . Fish Physiology and Biochemistry 28, 211–212 (2003). https://doi.org/10.1023/B:FISH.0000030531.88537.c9

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  • DOI: https://doi.org/10.1023/B:FISH.0000030531.88537.c9

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