immunocytochemistry: 10 μg/mL using A431 cells immunoprecipitation (IP): 4 μg using STAT3 from 0.5–1 mg of an EGF stimulated human A431 cell lysate western blot (chemiluminescent): 0.5-2 μg/mL using lysates from EGF stimulated human A431, mouse WEHI and rat L6 cells
Signal transducer and activator of transcription 3 (STAT3) protein is a member of the STAT family of proteins. It consists of a DNA binding domain, a Src homology-2 (SH-2) domain, an N-terminal coiled-coiled domain, and a C-terminal transactivation domain. The STAT3 gene is located on the human chromosome at 17q21.2.
Specificity
The antibody is specific for STAT3. It may detect an additional 66 kDa band using high concentrations or long exposures. The sequence recognized by the antibody (688-722) is identical in mouse and rat STAT3. The first 28 amino acids are identical to mouse STAT3B.
Immunogen
GST fusion protein corresponding to amino acids 688-722 of human STAT3, expressed in bacteria.
Application
Anti-STAT3 antibody produced in rabbit has been used in western blotting.[1][2]
Biochem/physiol Actions
Signal transducer and activator of transcription 3 (STAT3) signaling participates in cancer inflammation. This protein interacts with nuclear factor-κB (NF-κB). STAT3 regulates the function of several genes that take part in proliferation, apoptosis, metastasis, angiogenesis, immune response, and cell differentiation. Overexpression of the STAT3 gene is associated with lymphomas, prostate carcinoma, breast cancer, hepatocellular carcinoma, pancreatic adenocarcinoma, cholangiocarcinoma, and ovarian carcinoma.
Physical form
Solution in 0.1 M Tris-glycine, pH 7.4, containing 0.15 M NaCl and 0.05% sodium azide.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Commensurate with their roles in regulating cytokine-dependent inflammation and immunity, signal transducer and activator of transcription (STAT) proteins are central in determining whether immune responses in the tumour microenvironment promote or inhibit cancer. Persistently activated STAT3 and, to some extent
Multiple lines of evidence place STAT3 at a central node in the development, progression, and maintenance of many human tumors, and STAT3 has been validated as an anti-cancer target in several contexts. STAT3 modulates the transcription of a variety of
Autosomal dominant Hyper IgE syndrome (AD-HIES), a rare immune deficiency affecting fewer than one per million people, is caused by heterozygous deleterious mutations in STAT3. STAT3 signaling plays crucial roles in basic cellular functions affecting broad aspects of cellular homeostasis.
Endometriosis is a frequent, chronic, inflammatory gynecological disease characterized by the presence of ectopic endometrial tissue causing pain and infertility. Macrophages have a central role in lesion establishment and maintenance by driving chronic inflammation and tissue remodeling. Macrophages can be
Short noncoding endogenous RNAs, including microRNAs (miRNAs), are associated with the development and metastasis of multiple cancers. Epigallocatechin gallate (EGCG), the most active and abundant polyphenol in green tea, plays a crucial role in the modulation of miRNA expression, which
Cancer stem cell media, spheroid plates and cancer stem cell markers to culture and characterize CSC populations.
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