Selective ligand-binding determinants in catfish and human gonadotropin receptors

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In mammals, the specificity of FSH-FSH receptor (FSHR), LH-LH receptor (LHR) and TSH-TSH receptor couples is such that no cross-activation occurs under normal physiological conditions. The interactions between fish gonadotropins and their receptors, however, appear to be less discriminatory. For example, the catfish FSHR is highly responsive to both catfish LH and catfish FSH, while the catfish LHR is specific for its cognate LH. Comparative structure-function studies aimed at elucidating the molecular basis of ligand promiscuity (in fish) and ligand selectivity (in mammals) are described in this paper. © Springer Science+Business Media B.V. 2006.
Original languageEnglish
Pages (from-to)247-254
Number of pages8
JournalFish Physiology and Biochemistry
Volume31
Issue number2-3
DOIs
Publication statusPublished - 6 Apr 2005

Keywords

  • chorionic gonadotropin
  • luteinizing hormone receptor
  • follitropin
  • follitropin receptor
  • luteinizing hormone
  • thyrotropin
  • thyrotropin receptor
  • binding affinity
  • catfish
  • conference paper
  • controlled study
  • hormone binding
  • human
  • ligand binding
  • mammal
  • molecular biology
  • nonhuman
  • protein function
  • protein protein interaction
  • protein structure
  • species comparison
  • structure analysis

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