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. 1988 Jun;8(6):2335-41.
doi: 10.1128/mcb.8.6.2335-2341.1988.

Isolation and characterization of a variant myoblast cell line that is temperature sensitive for differentiation

R J Akhurst  1 , N B Flavin, J Worden
Affiliations

Isolation and characterization of a variant myoblast cell line that is temperature sensitive for differentiation

R J Akhurst et al. Mol Cell Biol. 1988 Jun.

Abstract

A new variant rat myogenic cell line, ts485, was isolated by subcloning the cell line ts3b2 (H. T. Nguyen, R. M. Medford, and B. Nadal-Ginard, Cell 34:281-293, 1983). Unlike the progenitor cell line, ts485 was thermosensitive for differentiation. Experiments with conditioned medium suggested that diffusible extracellular factors were not involved in dictating the differential phenotypes of ts485 cells cultured at the permissive and nonpermissive temperatures. Temperature shift experiments performed on cultures of ts485 cells indicated that the temperature-sensitive lesion was in a factor active during the growth phase and required to trigger a cascade of events leading to terminal differentiation.

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