BRCA1 in Human Breast Cancer Tissue. BRCA1 was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using Human BRCA1 Monoclonal Antibody (Catalog # MAB22101) at 5 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). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
BRCA1 in Human Breast. BRCA1 was detected in immersion fixed paraffin-embedded sections of human breast array using Human BRCA1 Monoclonal Antibody (Catalog # MAB22101) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Lower panel shows a lack of labeling if primary antibodies are omitted and tissue is stained only with secondary antibody followed by incubation with detection reagents. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human/Mouse BRCA1 by Western Blot. Western blot shows lysates of CH‑1 mouse B cell lymphoma cell line, BaF3 mouse pro-B cell line, U2OS human osteosarcoma cell line and HeLa human cervical epithelial carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Human BRCA1 Monoclonal Antibody (Catalog # MAB22101) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for BRCA1 at approximately 240 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
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.
The BRCA1 (BReast CAncer gene 1) tumor suppressor protein has many reported functions. In addition to mediating signal transduction in DNA damage and repair responses, BRCA1 forms a heterodimer with BARD1 and regulates transcriptional activity, assisting in the preservation of chromosomal stability. BRCA1 is one of the first proteins recruited to sites of DNA double-strand breaks and serves as part of a scaffold for assembling other DNA damage response or repair factors, including MSH2, MLH1, ATM and PMS2.
Breast Cancer 1
Entrez Gene IDs:
672 (Human); 12189 (Mouse); 497672 (Rat)
BRCA1; BRCAI; breast and ovarian cancer susceptibility protein 1; breast and ovarian cancer sususceptibility protein; breast cancer 1, early onset; breast cancer type 1 susceptibility protein; EC 6.3.2; EC 6.3.2.-; IRIS; PNCA4; PSCP; subunit 1
R&D Systems personnel manually curate a database that contains references using R&D Systems products.
The data collected includes not only links to publications in PubMed,
but also provides information about sample types, species, and experimental conditions.
Gene expression and mutation-guided synthetic lethality eradicates proliferating and quiescent leukemia cells Authors: M Nieborowsk, K Sullivan, Y Dasgupta, P Podszywalo, G Hoser, S Maifrede, E Martinez, D Di Marcant, E Bolton-Gil, K Cramer-Mor, J Lee, M Li, A Slupianek, D Gritsyuk, S Cerny-Reit, I Seferynska, T Stoklosa, L Bullinger, H Zhao, V Gorbunova, K Piwocka, P Valent, CI Civin, M Muschen, JE Dick, JC Wang, S Bhatia, R Bhatia, K Eppert, MD Minden, SM Sykes, T Skorski J. Clin. Invest., 2017;127(6):2392-2406. Species: Human Sample Type: Cell Lysates Application: WB
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