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Biochemie
Imunoanalýza
SK-BR-3 Cells
| Unit |
3 x 10^6 cells/ml |
|---|---|
| Cell Type |
Tumor Cells |
| Tissue Type |
Breast cancer cell lines |
| Organism |
Human |
| Donor History |
Invasive ductal carcinoma |
| Growth Properties |
Monolayer ,adherent |
| Growth Conditions |
Culture medium: McCoys 5a ,w: 3.0 g/L Glucose ,w: stable Glutamine ,w: 2.0 mM Sodium pyruvate ,w: 2.2 g/L NaHCO3 (Cytion article number 820200a). Supplements: Supplement the medium with 10% FBS. Dissociation reagent: Accutase. Seeding density: Start culture from cryovial at 3 x 10⁴ cells/cm². Use 2 x 10⁴ cells/cm² for continued subcultures. Freeze medium: As a cryopreservation medium ,we use complete growth medium (including FBS) + 10% DMSO for adequate post-thaw viability ,or CM-1 (Cytion catalog number 800100) ,which includes optimized osmoprotectants and metabolic stabilizers to enhance recovery and reduce cryo-induced stress. Incubation atmosphere: 37°C ,5% CO2 ,humidified atmosphere. |
| Immortalization Method | |
| Full Information |
SK-BR-3 cells are a human breast cancer cell line isolated from the pleural effusion of a 43-year-old female patient with metastatic breast cancer. SKBR3 cells were established in the early 1970s and are known for their overexpression of the human epidermal growth factor receptor 2 (HER2), a receptor tyrosine kinase that plays a critical role in the pathogenesis and progression of certain types of breast cancer.
The cell line is characterized by genetic aberrations common in breast cancer, including amplification of the HER2 gene and mutations in the p53 tumor suppressor gene. The overexpression of HER2 in SK-BR-3 cells makes them a valuable model for studying HER2-positive breast cancer, which is characterized by aggressive growth and a poor prognosis, and for HER2-targeted therapies. SK-BR-3 cells have been instrumental in the study of trastuzumab (Herceptin), a monoclonal antibody against HER2 that has become a cornerstone in the treatment of HER2-positive breast cancer.
SK-BR-3 cells exhibit a robust in vitro growth rate and have been used in a variety of experimental setups, including studies on cell signaling, drug resistance, apoptosis, and the cancer cell cycle. These cells are also a key resource for the production of monoclonal antibodies and for research into the immune response to breast cancer cells.
In summary, the SK-BR-3 cell line is an indispensable tool in breast cancer research, offering profound insights into the biology of HER2-positive tumors and facilitating the development of targeted therapies that have significantly improved the outlook for patients with this challenging form of cancer.
Společnost Cytion vznikla v roce 2004 v německém Heidelbergu s jasným vědeckým posláním: dodávat ověřené lidské a zvířecí buněčné linie bez kontaminace, připravené za přísně kontrolovaných laboratorních podmínek.
Postupně se vypracovala ve spolehlivou buněčnou banku, která slouží akademickým laboratořím, biotechnologickým firmám i farmaceutickým výzkumným týmům po celém světě. Klade přitom důraz na reprodukovatelnost výsledků, přísnou kontrolu kvality a dlouhodobá partnerství.
