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The role of N53Q mutation on the rat mu-opioid receptor function.


ABSTRACT: Glycosylation of the mu-opioid receptor may play an important role on its function. Using nested PCR, N53Q mutation was prepared in the N-terminal region of the rat mu-opioid receptor cDNA and cloned into the pcDNA3 vector. The plasmids containing the wild-type and mutated receptor cDNA were transfected into the COS-7 cells. Intracellular cAMP was measured in the morphine-treated and untreated transfected cells using an ELISA kit. Plasmid expression was evaluated using X-gal staining. Intracellular concentration of cAMP in the N53Q-mutated cells was not significantly different from the wild-type. The expression of the transfected plasmids was confirmed. Therefore, based on these results, it seems that glycosylation at the N53 site of the rat mu-opioid receptor does not influence the function of this receptor significantly.

SUBMITTER: Rostami A 

PROVIDER: S-EPMC2884312 | biostudies-literature | 2010 Jul

REPOSITORIES: biostudies-literature

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The role of N53Q mutation on the rat mu-opioid receptor function.

Rostami A A   Rabbani M M   Mir-Mohammad-Sadeghi M M  

Journal of biomolecular techniques : JBT 20100701 2


Glycosylation of the mu-opioid receptor may play an important role on its function. Using nested PCR, N53Q mutation was prepared in the N-terminal region of the rat mu-opioid receptor cDNA and cloned into the pcDNA3 vector. The plasmids containing the wild-type and mutated receptor cDNA were transfected into the COS-7 cells. Intracellular cAMP was measured in the morphine-treated and untreated transfected cells using an ELISA kit. Plasmid expression was evaluated using X-gal staining. Intracellu  ...[more]

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