Abstract
A method for culturing mouse mammary epithelial cells (MECs) within Type I collagen gels is described. This method is permissive for multifold growth, “ductlike” morphogenesis, and hormonal responsiveness. Subcutaneous mouse mammary glands are harvested, digested with collagenase, and epithelial cells obtained after Percoll gradient centrifugation. MECs are then mixed with neutralized, isosmotic collagen, which is pipetted into culture dishes and overlaid with culture medium after gel formation. Preparation of all serum-free medium and stocks required for the procedure and termination of cultures are described, and comments concerning critical procedural steps are given.
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Abbreviations
- (MECs):
-
mammary epithelial cells
- (M199):
-
medium 199
- (pen/strep):
-
penicillin/streptomycin
- (Amp B):
-
Amphotericin B
- (HEPES):
-
N-(2-hydroxyethyl)piperazine-N’-(2-ethanesulfonic acid)
- (DMEM):
-
Dulbecco’s modified Eagle’s medium
- (BSA):
-
bovine serum albumin
- (HBSS):
-
Hanks’ balanced salt solution
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Imagawa, W., Yang, J., Guzman, R.C., Nandi, S. (2000). Collagen Gel Method for the Primary Culture of Mouse Mammary Epithelium. In: Ip, M.M., Asch, B.B. (eds) Methods in Mammary Gland Biology and Breast Cancer Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4295-7_11
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DOI: https://doi.org/10.1007/978-1-4615-4295-7_11
Publisher Name: Springer, Boston, MA
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