Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P01275 (glucagon)
 26,492 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Indices of carbohydrate and lipid metabolism were investigated in male New Zealand genetically hypertensive and normotensive rats. Cross-breeding of male rats of these strains with female Brattleboro diabetes insipidus rats also provided the opportunity to examine the metabolic impact of vasopressin and its deficiency in hypertensive and normotensive rats. Hypertensive and normotensive rats, with or without diabetes insipidus, were fasted for 24 h, exsanguinated and their blood/plasma analysed for various indices of carbohydrate and lipid metabolism. Whilst each group of rats maintained fasted normoglycemia, hypertensive rats, with or without vasopressin-deficiency, were hypoinsulinaemic relative to normotensive counterparts. Moreover, hypertensive or normotensive vasopressin-deficient rats were hypoinsulinaemic relative to vasopressin-replete counterparts. In vasopressin-replete rats, the apparently improved insulin sensitivity in hypertension was associated with significant falls in plasma glucagon, triglycerides and total cholesterol. Finally, normotensive vasopressin-deficient rats were hypoglucagonaemic relative to the vasopressin-replete group. These data demonstrate that independent of vasopressin status, hypertension in the New Zealand strain and the diabetes insipidus hybrid was associated with improved insulin sensitivity. However, endogenous vasopressin exercises an influential role in carbohydrate and lipid metabolism in normotensive rats.
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PMID:Indices of carbohydrate and lipid metabolism in vasopressin-replete and -deficient New Zealand genetically hypertensive rats. 993 Jun 28

A case of multisystem Langerhans cell histiocytosis with pituitary involvement nearly 20 years after initial presentation. A 48-year-old man had histiocytosis X 22 years ago initially involving the groin; subsequently his external auditory meatus, scalp, gum, mandibular bone, perineum and axilla were involved and treated. The pituitary gland was involved 4 years ago. A thyrotropin-releasing hormone test showed delayed response suggestive of hypothalamic disease. Prolactin levels were normal. A gonadotropin-releasing hormone test showed impaired testosterone and gonadotrophin response in keeping with pituitary disease. A glucagon stimulation test showed an impaired growth hormone response but a normal cortisol increase. MRI pituitary showed an empty sella. There was no evidence of diabetes insipidus. Bone mineral densitometry was normal. He has partial hypopituitarism needing thyroxine and testosterone replacement. He also developed type 2 diabetes mellitus 9 years ago. He is closely monitored for any development of diabetes insipidus and the need for growth hormone supplementation.
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PMID:Partial hypopituitarism and Langerhans cell histiocytosis. 2271 1


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