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Expression and localization of insulin receptors in dissociated primary cultures of rat Schwann cells
Author(s) -
Shetter Abhijth Ravindranath,
Muttagi Gopal,
Sagar Chandrasekhar Bhadravathi Kenchappa
Publication year - 2011
Publication title -
cell biology international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.932
H-Index - 77
eISSN - 1095-8355
pISSN - 1065-6995
DOI - 10.1042/cbi20100523
Subject(s) - polyclonal antibodies , receptor , schwann cell , microbiology and biotechnology , cytochemistry , biology , basal lamina , antibody , immune system , immunocytochemistry , cytoplasm , insulin receptor , ultrastructure , chemistry , insulin , immunology , biochemistry , endocrinology , anatomy , insulin resistance
The objective of the present study was to examine for the presence of the IRs (insulin receptors) in the primary dissociated culture preparation of SCs (Schwann cells). This was achieved using immunological techniques using a rabbit polyclonal anti‐IR antibody and at molecular level by RT (reverse transcription)‐PCR. Light microscopic immune cytochemistry revealed that almost all SCs in cluster and associated neuritis exhibited positive immune reaction with the antibody, confirming the presence of IRs in them. Immunoblotting detected a prominent protein band of 90 kDa, which is consistent with those reported by the manufacturer. Like the peripheral nerve, primary SC cultures showed a predominantly high affinity IR mRNA lacking exon 11. Ultrastructural immune localization confined the presence of the IRs in the basal lamina, plasma membrane and the cytoplasmic processes of the SCs.