The response of regulatory peptides to moderate hypoglycaemia of short duration in type 1 (insulin-dependent) diabetes mellitus and in normal man

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

The changes in plasma gastrin-releasing peptide (GRP), arginine vasopressin (AVP), neuropeptide Y (NPY), corticotropin releasing hormone (CRH), galanin, ACTH, cortisol, delta sleep-inducing peptide (DSIP), adrenaline, noradrenaline and pancreatic polypeptide (PP) were measured after 5 and 15 minutes of acute insulin-induced moderate hypoglycaemia (2.0 mmol/l) in 10 patients with Type 1 diabetes mellitus with no autonomic neuropathy and in 10 healthy subjects. Plasma catecholamine and PP levels rose in both groups in response to hypoglycemia and the secretory response of ACTH was lower in the diabetic subjects (p < 0.01). GRP concentrations increased during hypoglycaemia (p < 0.01) while a reduction in AVP occurred at the start of hypoglycaemia (p < 0.001). The plasma AVP concentrations were higher in the diabetic group compared with those in the normal group (p < 0.05). The NPY concentrations were higher in the normal subjects (p < 0.05) but no change in the mean level occurred in either group during hypoglycaemia. No group differences or changes in mean plasma concentrations were found for galanin, DSIP and CRH. These observations support the view that regulatory peptides, if involved in glucose homeostasis, may rather have a modulatory effect than a direct action in restoring normoglycaemia.

Detaljer

Författare
  • G Tallroth
  • Erik Ryding
  • R Ekman
  • Carl-David Agardh
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Endokrinologi och diabetes
  • Neurologi
Originalspråkengelska
Sidor (från-till)73-85
TidskriftDiabetes Research (Edinburgh, Scotland)
Volym20
Utgåva nummer3
StatusPublished - 1992
PublikationskategoriForskning
Peer review utfördJa