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Glucagon-like peptide-1

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Incretins and DPP 4 inhibitors

GLP-1 and DPP-4 inhibitors

Glucagon-like peptide-1 (GLP-1) is derived from the transcription product of the proglucagon gene. The major source of GLP-1 in the body is the intestinal L cell that secretes GLP-1 as a gut hormone. The biologically active forms of GLP-1 are: GLP-1-(7-37) and GLP-1-(7-36)NH2.GLP-1 is also a neuropeptide (Jin et al., 1988) regulating several neuroendocrine and autonomic responses (Turton et al., 1996)

GLP-1 secretion by L cells is dependent on the presence of nutrients in the lumen of the small intestine. The secretagogues (agents that causes or stimulates secretion) of this hormone include major nutrients like carbohydrate, protein and lipid. Once in the circulation, GLP-1 has a half life of less than 2 minutes, due to rapid degradation by the enzyme dipeptidyl peptidase-4.

Physiological functionsEdit

GLP-1 possesses several physiological properties that make it a subject of intensive investigation as a potential treatment of diabetes mellitus.[1][2][3]. The known physiological functions of GLP-1 include:

See alsoEdit

ReferencesEdit

  1. "Diabetes and Intestinal Incretin Hormones: A New Therapeutic Paradigm" at medscape.com (slide 36)
  2. Toft-Nielsen M, Madsbad S, Holst J (2001). Determinants of the effectiveness of glucagon-like peptide-1 in type 2 diabetes.. J Clin Endocrinol Metab 86 (8): 3853-60. PMID 11502823.
  3. Meier J, Weyhe D, Michaely M, Senkal M, Zumtobel V, Nauck M, Holst J, Schmidt W, Gallwitz B (2004). Intravenous glucagon-like peptide 1 normalizes blood glucose after major surgery in patients with type 2 diabetes.. Crit Care Med 32 (3): 848-51. PMID 15090972.

External linksEdit



de:Glucagon-like Peptid 1

zh:胰高血糖素样肽-1

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