Progesterone Receptor (Marker of Progestin Dependence) Antibody
Mouse Monoclonal Antibody [Clone SPM566 ]
|Other Accession||5241, 2905|
|Isotype||Mouse / IgG1, kappa|
|Calculated MW||PR-A (81kDa) and PR-B (116kDa).|
|Other Names||Progesterone receptor, PR, Nuclear receptor subfamily 3 group C member 3, PGR, NR3C3|
|Storage||Store at 2 to 8°C.Antibody is stable for 24 months.|
|Precautions||Progesterone Receptor (Marker of Progestin Dependence) 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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Provided below are standard protocols that you may find useful for product applications.
This MAb is specific to progesterone receptor and shows minimal cross-reaction with other members of the family. Progesterone receptor is expressed as two major isoforms, PR-A (81kDa) and PR-B (116kDa). Expression of PgR has been suggested to reflect a intact estrogen regulatory machinery and therefore, predict better clinical response to endocrine therapy than ER alone. It is excellent for immunohistochemical staining of formalin/paraffin tissues.
Press M, et al. Steroids. 2002 Aug; 67(9):799-813. | Mote P, et al. J Clin Pathol., 2001; 54: 624-630
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