Unexpected Effects of Epitope and Chimeric Tags on Gonadotropin-Releasing Hormone Receptors: Implications for Understanding the Molecular Etiology of Hypogonadotropic Hypogonadism

Abstract excerpt

In the case of human GnRH receptor (GnRHR) mutants associated with hypogonadotropic hypogonadism, a view emerged that these mutants are correctly routed to the plasma membrane. This view, supported almost entirely by studies using the HA-tag (hemagglutinin influenza virus epitope tag) and other epitope and chimeric tags, obscured recognition that GnRHR mutants frequently become misrouted proteins. The underlying...

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