M-1

Kidney cell studies, differentiation studies.

Derived from the cortical collecting duct (CCD) of a mouse, transgenic for the early region of SV40 (Tg(SV40E)Bri/7). They express many characteristics of the CCD like epithelial morphology and CCD-specific antigens. M-1 cells grown on permeable supports exhibited a high transepithelial resistance concomitant with the development of a lumen-negative transepithelial potential difference. The M-1 cell line and sub-clones exhibit principal cell (PC) functions and β-intercalated cell (β-ICC) functions, both typical for the heterogeneous epithelium found in the renal collecting duct. M-1 cells and sub-clones show a heterogeneous expression of PC and β-ICC antigens with 5-10% exhibiting a dual PC/β-ICC phenotype.

Mouse kidney cortical collecting duct, SV40 transformed

DMEM:Ham′s F12 (1:1) + 2mM Glutamine + 5μm Dexamethasone (DXMT) + 5% Foetal Bovine Serum (FBS).

Split sub-confluent cultures (70-80%) 1:3 to 1:4 i.e. seeding at 2-4x10,000 cells/cm² using 0.25% trypsin or trypsin/EDTA; 5% CO₂; 37°C. Prolonged incubation with trypsin may be necessary for subculture.

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This cell line is part of the European Collection of Authenticated Cell Cultures (ECACC), an international repository managed by the United Kingdom Health Security Agency (UKHSA). No licensing agreement is required when either this cell line or the DNA extracted from it are used for internal research purposes only. Any other use of these products is prohibited without the express written permission of UKHSA. Inquiries regarding authorized use of this cell line or its genomic DNA may be directed to culturecollections@ukhsa.gov.uk.