DNA 2 DNA synthesis 2 Janus kinase 2 2 LEPR signaling 2 STAT3 protein 2 Sam68 2 article 2 cell growth 2 cell proliferation 2 controlled study 2 down regulation 2 enzyme activation 2 gene overexpression 2 human 2 human cell 2 human cell culture 2 immunoblotting 2 immunoprecipitation 2 leptin 2 leptin receptor 2 leucine 2 mitogen activated protein kinase 2 phosphatidylinositol 3 kinase 2 placenta 2 protein Sam68 2 protein expression 2 protein phosphorylation 2 protein protein interaction 2 protein synthesis 2 signal transduction 2