准备和存储
推荐的实验流程
Western blot: Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml .
商品通知
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
- Source of all serum proteins is from USDA inspected abattoirs located in the United States.
Stat5, also known as mammary gland factor (MGF) has been shown to play a critical role in the lactogenic hormone response and has been well characterized in mammary epithelial cells. The SH3 domain of MGF shows extensive homology with the SH2 domains of Stat1 and Stat2. This homology has led to its classification as a member of the Stat family. The Stat proteins function both as cytoplasmic signal transducers and as activators of transcription. Stat (Signal transducer and activators of transcription) proteins are critical mediators of the biologic activity of cytokines, including interleukins, interferons, erythropoietin, and growth factors. Ligand-receptor interaction leads to activation of constitutively associated JAK family kinases and subsequent recruitment and activation of Stat proteins by tyrosine phosphorylation. Active Stat proteins then move to the nucleus to promote transcription of cytokine-inducible genes. Stat5a has been shown to be involved in lactogenesis and mammary development, while Stat5b has been shown to be involved in growth hormone signaling and to play a role in liver gene expression. Stat5 activity is tightly regulated throughout gestation, lactation, and post-lactation.
研发参考 (5)
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Buitenhuis M, Baltus B, Lammers JW, Coffer PJ, Koenderman L. Signal transducer and activator of transcription 5a (STAT5a) is required for eosinophil differentiation of human cord blood-derived CD34+ cells. Blood. 2003; 101(1):134-142. (Clone-specific: Gel shift). 查看参考
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Chughtai N, Schimchowitsch S, Lebrun JJ, Ali S. Prolactin induces SHP-2 association with Stat5, nuclear translocation, and binding to the beta-casein gene promoter in mammary cells. J Biol Chem. 2002; 277(34):31107-31114. (Clone-specific: Immunofluorescence, Western blot). 查看参考
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Gouilleux F, Wakao H, Mundt M, Groner B. Prolactin induces phosphorylation of Tyr694 of Stat5 (MGF), a prerequisite for DNA binding and induction of transcription. EMBO J. 1994; 13(18):4361-4369. (Biology). 查看参考
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Kirken RA, Malabarba MG, Xu J, et al. Prolactin stimulates serine/tyrosine phosphorylation and formation of heterocomplexes of multiple Stat5 isoforms in Nb2 lymphocytes. J Biol Chem. 1997; 272(22):14098-14103. (Clone-specific: Immunoprecipitation, Western blot). 查看参考
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Sadowski CL, Choi TS, Le M, Wheeler TT, Wang LH, Sadowski HB. Insulin Induction of SOCS-2 and SOCS-3 mRNA expression in C2C12 Skeletal Muscle Cells Is Mediated by Stat5. J Biol Chem. 2001; 276(23):20703-20710. (Clone-specific: Immunoprecipitation). 查看参考
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