Schwann cells are neural crest derivatives that ensheathe and myelinate axons of peripheral nerves. Each Schwann cell wraps around the shaft of an individual peripheral axon, forming myelin sheaths along segments of the axon. Schwann cells play important roles in the development, function, and regeneration of peripheral nerves. When an axon is dying, the Schwann cells surrounding it aid in its digestion, leaving an empty channel formed by successive Schwann cells, through which a new axon may then grow from a severed end. The number of Schwann cells in peripheral nerves is tightly regulated. Their proliferation in vitro can be stimulated by various growth factors including PDGF, FGF, neuregulin, and others. Schwann cells provide a relatively simple, well-defined, and accessible mammalian model for the study of a number of developmental questions. It is also of particular clinical importance in understanding the biology of Schwann cells, not only in the context of neuropathies and nerve regeneration, but also because the cells or their precursors may be especially well suited for implants to facilitate repair in the CNS.
RSC are isolated from neonatal rat sciatic nerves. RSC are cryopreserved either at primary or passage one culture and delivered frozen. Each vial contains >5 x 10^5 cells in 1 ml volume. RSC are characterized by immunofluorescence with antibodies specific to S-100, GFAP, and CD90. RSC are negative for mycoplasma, bacteria, yeast, and fungi. RSC are guaranteed to further culture under the conditions provided by Creative Bioarray.
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