|Application ||WB, IHC, E|
|Clone Names||2F12B4; 2F12H2|
|Calculated MW||98981 Da|
|Description||PR(progesterone receptor), with 933-amino acid protein (about 110kDa), a member of the steroid receptor superfamily, mediates the physiologic effects of progesterone, PR is mediated by two functionally different isoforms of the progesterone receptor, the full length PR-B and the short form PR-A. The PR-A and PR-B proteins are 94 kDa and 114 kDa respectively. That are equimolar in the normal breast but dysregulated in advanced disease. PR is prognostic markers in breast cancers irrespective of the patient's progestational status Human progesterone.|
|Immunogen||Purified recombinant fragment of PR expressed in E. Coli.|
|Formulation||Ascitic fluid containing 0.03% sodium azide.|
|Other Names||Progesterone receptor, PR, Nuclear receptor subfamily 3 group C member 3, PGR, NR3C3|
|Dilution||WB~~1/500 - 1/2000|
IHC~~1/200 - 1/1000
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||PR Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Depending on the isoform, progesterone receptor functions as transcriptional activator or repressor.|
|Cellular Location||Nucleus. Cytoplasm. Note=Nucleoplasmic shuttling is both homone- and cell cycle-dependent. On hormone stimulation, retained in the cytoplasm in the G(1) and G(2)/M phases Isoform 4: Mitochondrion outer membrane|
|Tissue Location||In reproductive tissues the expression of isoform A and isoform B varies as a consequence of developmental and hormonal status. Isoform A and isoform B are expressed in comparable levels in uterine glandular epithelium during the proliferative phase of the menstrual cycle. Expression of isoform B but not of isoform A persists in the glands during mid-secretory phase. In the stroma, isoform A is the predominant form throughout the cycle. Heterogeneous isoform expression between the glands of the endometrium basalis and functionalis is implying region- specific responses to hormonal stimuli|
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1. McGuire, W.L., et al. 1986. Cancer.Surv.5:527-536. 2. Helena CD, Curt WB, Paul V,et al. 2000. J.Clin. Pathol. 53:201-205. 3. Wen, D.X., et al. 1994.Mol.Cell.Biol.14:8356-8364. 4. GM Clark, CK Osborne, WL McGuire.1984.J. Clin. Oncol., 2:1102-1109.
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