U-251 MG Cells

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Profit Organisation/Nutzung: CLS_CLEAR.pdf
Non-Profit Organisation/Nutzung: Non_Profit_CLS_Supply_Agreement.pdf

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ArtNr	CLS-300385
Hersteller	CLS Cell Lines Service
Menge	1 cryovial
Kategorie	Cell Lines & Cell Culture Cell Lines
Typ	Cell line
Zertifikat	For a certificate of analysis, please send an inquiry to info@hoelzel.de.
Specific against	Human (Homo sapiens)
Dry ice	Yes
ECLASS 10.1	42040401
ECLASS 11.0	42040401
UNSPSC	41106509
Alias	U-251MG,U-251-MG,U-251_MG,U251-MG,U251MG,U-251,U251,U251n,U251N,251 MG,251MG
Lieferbar
Manufacturer - Category	Brain cancer cell lines
Description	The U-251 MG cell line is a well-characterized human glioblastoma multiforme (GBM) cell line that is extensively used in neuro-oncology research. Derived originally from a 75-year-old Caucasian female, this cell line has been instrumental in the study of brain tumors, particularly in understanding the molecular and cellular mechanisms underlying malignant gliomas. The U-251 MG cells exhibit astrocytic properties, which are characteristic of their origin from astrocytes, the predominant cell type involved in GBM. Genetically, U-251 MG cells harbor mutations and alterations typical of high-grade astrocytomas, including mutations in the TP53 gene and loss of heterozygosity in chromosome 10, which encompasses the PTEN gene. These genetic traits contribute to the cell line’s utility in studying tumor suppressor gene functions and the cellular pathways involved in tumor progression and resistance. The cells are also known for their robust in vitro growth rates and ability to form tumors when xenografted into immunocompromised mice, making them a valuable model for in vivo studies of tumor growth, invasion, and therapy response. Furthermore, U-251 MG has been employed in a multitude of studies focusing on therapeutic approaches, including chemotherapy resistance, radiation therapy outcomes, and the evaluation of novel anticancer compounds. Its extensive use in translational research highlights its relevance in bridging basic neuroscientific discoveries with clinical applications, particularly in the development of targeted therapies for glioblastoma.
Tissue	Brain
Growth properties	Adherent
Disease	Astrocytoma
Age	75 years
Gender	Male
Ethnicity	Caucasian
Morphology	Epithelial-like
Biosafety Level	1
Culture Medium	DMEM, w: 4.5 g/L Glucose, w: 4 mM L-Glutamine, w: 1.5 g/L NaHCO3, w: 1.0 mM Sodium pyruvate (Cytion article number 820300a)
Medium Supplements	Supplement the medium with 10% FBS
Subculturing	Remove the old medium from the adherent cells and wash them with PBS that lacks calcium and magnesium. For T25 flasks, use 3-5 ml of PBS, and for T75 flasks, use 5-10 ml. Then, cover the cells completely with Accutase, using 1-2 ml for T25 flasks and 2.5 ml for T75 flasks. Let the cells incubate at room temperature for 8-10 minutes to detach them. After incubation, gently mix the cells with 10 ml of medium to resuspend them, then centrifuge at 300xg for 3 minutes. Discard the supernatant, resuspend the cells in fresh medium, and transfer them into new flasks that already contain fresh medium.
Fluid Renewal	2 to 3 times per week
Freezing Recovery	Fast, within 24 hours
Freeze Medium	CM-1 (Cytion catalog number 800100)
Handling of Cryopreserved Cultures	Confirm that the vial remains deeply frozen upon delivery, as cells are shipped on dry ice to maintain optimal temperatures during transit. Upon receipt, either store the cryovial immediately at temperatures below -150° C to ensure the preservation of cellular integrity, or proceed to step 3 if immediate culturing is required. For immediate culturing, swiftly thaw the vial by immersing it in a 37° C water bath with clean water and an antimicrobial agent, agitating gently for 40-60 seconds until a small ice clump remains. Perform all subsequent steps under sterile conditions in a flow hood, disinfecting the cryovial with 70% ethanol before opening. Carefully open the disinfected vial and transfer the cell suspension into a 15 ml centrifuge tube containing 8 ml of room-temperature culture medium, mixing gently. Centrifuge the mixture at 300 x g for 3 minutes to separate the cells and carefully discard the supernatant containing residual freezing medium. Gently resuspend the cell pellet in 10 ml of fresh culture medium. For adherent cells, divide the suspension between two T25 culture flasks; for suspension cultures, transfer all the medium into one T25 flask to promote effective cell interaction and growth. Adhere to established subculture protocols for continued growth and maintenance of the cell line, ensuring reliable experimental outcomes.
Sterility	Mycoplasma contamination is excluded using both PCR-based assays and luminescence-based mycoplasma detection methods. To ensure there is no bacterial, fungal, or yeast contamination, cell cultures are subjected to daily visual inspections.
Safety Precautions	When planning to store a cryovial in liquid nitrogen for future thawing, it is mandatory to adhere to stringent safety measures. Appropriate protective gloves and clothing are essential, and the use of a face mask or safety goggles is required during the transfer of frozen samples to or from the liquid nitrogen tank. This is to mitigate the risk of injury from potential cryovial explosions upon removal, which can result in the projection of sharp fragments.
Disclaimer	Our cells are provided for in vitro laboratory research purposes exclusively and are not intended for clinical or diagnostic use, nor are they to be administered to humans or used for veterinary purposes. Users must adhere to all applicable guidelines and regulations for the handling and use of these cells in a research setting.
Warranty	We stand by the promise of delivering products with high cell viability and robust culture performance. To achieve the best results, please make sure you follow the storage and culture instructions detailed in the product information sheet closely. Your adherence to these guidelines is key to success.
Amelogenin	X, Y
Tumorigenic	SMRV: Negative, as confirmed by Real-Time PCR
Split Ratio	A ratio of 1:3 to 1:5 is recommended
Seeding Density	1 x 10^4 cells/cm^2
Doubling Time	24 hours
Protein Expression	Expression of GFAP and vimentin

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Alle Produkte sind nur für Forschungszwecke bestimmt. Nicht für den menschlichen, tierärztlichen oder therapeutischen Gebrauch.

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Menge: 1 cryovial

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