Detection of Human and Mouse TSC2 by Western Blot.
Western blot shows lysates of HEK293 human embryonic kidney cell line, HeLa human cervical epithelial carcinoma cell line, Daudi human Burkitt's lymphoma cell line, and NIH‑3T3 mouse embryonic fibroblast cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human/Mouse TSC2 Monoclonal Antibody (Catalog # MAB40401) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for TSC2 at approximately 200 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
TSC2 in HeLa Human Cell Line.
TSC2 was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line using Mouse Anti-Human/Mouse TSC2 Monoclonal Antibody (Catalog # MAB40401) at 3 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to plasma membrane. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
TSC2 in Human Kidney.
TSC2 was detected in immersion fixed paraffin-embedded sections of human kidney using Mouse Anti-Human/Mouse TSC2 Monoclonal Antibody (Catalog # MAB40401) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to epithelial cell cytoplasm in convoluted tubules. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Preparation and Storage
Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
TSC2, also called tuberin, complexes with TSC1 (hamartin) to inhibit cell proliferation by antagonizing mTOR/p70S6K signaling. Its location either in the cytoplasm or the nucleus is regulated by phosphorylation and the cell cycle. Numerous point mutations are associated with development of tumors (hamartomas) in kidney, heart, skin and brain. Human TSC2 shares 91% amino acid (aa) identity with mouse TSC2 over aa 550-850. Splice variants that are missing aa 946 to 988 or 989 may show different tissue distribution than full length TSC2.
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