Cloning of the cDNAs coding for cat growth hormone and prolactin |
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| Institution: | 1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China;2. Plant Protection Institute, Centre for Agricultural Research, ELKH, Herman Ottó Street 15, Budapest, H-1022, Hungary;3. Museum of New Zealand Te Papa Tongarewa, 169 Tory Street, Wellington 6011, New Zealand |
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| Abstract: | Characterization of the prolactin (PRL) amino acid (aa) or cDNA sequences has not been reported for any member of the Felidae family. We cloned cat growth hormone (cGH) and cat PRL (cPRL) cDNA sequences from a feline pituitary cDNA library. High homology between species allowed bovine PRL (bPRL) and bGH cDNA clones to be used to identify clones encoding the 229-aa cPRL and 216-aa cGH sequences. The cGH protein is most homologous to pig and dog GH. Similarly, cPRL shares the most aa identity to pig PRL (pPRL). Northern blot analysis revealed the mRNA size for cGH and cPRL to be approx. 1 and 1.1 kb, respectively. These results reveal that GH and PRL from the Felidae family are highly conserved to other families of GH and PRL. |
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