Biomaterial Database

Impact of calcitonin on urinary excretion of prostaglandins during menopause. 1998

C Akgül, and P Vural, and M Canbaz

Department of Obstetrics and Gynecology, Instanbul Medical Faculty, Istanbul, Turkey.

The aim of this study was to investigate the effects of calcitonin as an antiresorptive agent in postmenopausal osteoporosis in prostaglandin metabolism. Urinary prostaglandin E2 (PGE2) concentrations were determined by PGE2 (125I) RIA kit in a total number of 37 patients in postmenopause; 27 in study group with established osteoporosis (WEO) and 10 in another group without osteoporosis (WO). An additional group of 12 patients in the premenopausal period were selected as controls (PreM). Data were given as mean +/- SD and statistical analysis was performed by Student's t test for paired and unpaired values. A significant decrease in urinary PGE2 concentrations was observed in WEO (7.91 +/- 3.08 vs. 3.79 +/- 3.01 ng/l) (p < 0.001), WO (9.06 +/- 6.76 vs. 6.06 +/- 3.90 ng/l) (p < 0.05) and PreM (7.14 +/- 1.68 vs. 5.16 +/- 1.91 ng/l) (p < 0.01). As a conclusion, calcitonin seems to exert a negative effect on prostaglandin metabolism resulting in reduced new prostaglandin formation.

UI	MeSH Term	Description	Entries
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D011453	Prostaglandins	A group of compounds derived from unsaturated 20-carbon fatty acids, primarily arachidonic acid, via the cyclooxygenase pathway. They are extremely potent mediators of a diverse group of physiological processes.	Prostaglandin,Prostanoid,Prostanoids
D002116	Calcitonin	A peptide hormone that lowers calcium concentration in the blood. In humans, it is released by thyroid cells and acts to decrease the formation and absorptive activity of osteoclasts. Its role in regulating plasma calcium is much greater in children and in certain diseases than in normal adults.	Thyrocalcitonin,Calcitonin(1-32),Calcitrin,Ciba 47175-BA,Eel Calcitonin,Calcitonin, Eel,Ciba 47175 BA,Ciba 47175BA
D005260	Female		Females
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015232	Dinoprostone	The most common and most biologically active of the mammalian prostaglandins. It exhibits most biological activities characteristic of prostaglandins and has been used extensively as an oxytocic agent. The compound also displays a protective effect on the intestinal mucosa.	PGE2,PGE2alpha,Prostaglandin E2,Prostaglandin E2alpha,PGE2 alpha,Prepidil Gel,Prostaglandin E2 alpha,Prostenon,E2 alpha, Prostaglandin,E2, Prostaglandin,E2alpha, Prostaglandin,Gel, Prepidil,alpha, PGE2,alpha, Prostaglandin E2
D015663	Osteoporosis, Postmenopausal	Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency.	Bone Loss, Perimenopausal,Bone Loss, Postmenopausal,Perimenopausal Bone Loss,Postmenopausal Bone Loss,Postmenopausal Osteoporosis,Osteoporosis, Post-Menopausal,Bone Losses, Perimenopausal,Bone Losses, Postmenopausal,Osteoporoses, Post-Menopausal,Osteoporoses, Postmenopausal,Osteoporosis, Post Menopausal,Perimenopausal Bone Losses,Post-Menopausal Osteoporoses,Post-Menopausal Osteoporosis,Postmenopausal Bone Losses,Postmenopausal Osteoporoses
D017698	Postmenopause	The physiological period following the MENOPAUSE, the permanent cessation of the menstrual life.	Post-Menopause,Post-menopausal Period,Postmenopausal Period,Period, Post-menopausal,Period, Postmenopausal,Post Menopause,Post menopausal Period,Post-Menopauses