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Titolo:
Urinary excretion pattern of catecholestrogens in preovulatory LH surge during the 4-day estrous cycle of rats
Autore:
Panda, SK; Chattoraj, SC;
Indirizzi:
Maharaja Manindra Chandra Coll, Dept Chem, Calcutta, W Bengal, India Maharaja Manindra Chandra Coll Calcutta W Bengal India , W Bengal, India Boston Univ, Sch Med, Dept Obstet & Gynecol, Boston, MA 02215 USA Boston Univ Boston MA USA 02215 pt Obstet & Gynecol, Boston, MA 02215 USA Boston Univ, Sch Med, Dept Biochem, Boston, MA 02215 USA Boston Univ Boston MA USA 02215 h Med, Dept Biochem, Boston, MA 02215 USA
Titolo Testata:
JOURNAL OF ENDOCRINOLOGICAL INVESTIGATION
fascicolo: 5, volume: 24, anno: 2001,
pagine: 334 - 339
SICI:
0391-4097(200105)24:5<334:UEPOCI>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
CATECHOL ESTROGENS; METABOLISM; PROLACTIN; RADIOIMMUNOASSAY; 2-HYDROXYESTRONE; PROGESTERONE; ESTRADIOL; PLASMA; CELLS;
Keywords:
catecholestrogens; LH surge; radioimmunoassay; 2-hydroxyestrone; rat estrous cycle; rat urine;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Panda, SK BJ 214 Sector2, Calcutta 700091, W Bengal, India BJ 214 Sector2Calcutta W Bengal India 700091 , W Bengal, India
Citazione:
S.K. Panda e S.C. Chattoraj, "Urinary excretion pattern of catecholestrogens in preovulatory LH surge during the 4-day estrous cycle of rats", J ENDOC INV, 24(5), 2001, pp. 334-339

Abstract

The formation of catecholestrogens represents a major pathway of estrogen metabolism and catecholestrogens are regarded as the main estrogen metabolite in non-pregnant state of various mammalian systems. In the present investigation, level of 2-hydroxyestrone, the major catecholestrogen excreted inrat urine, was measured by radioimmunoassay following acid hydrolysis and column chromatography of the 24-h urine samples of female Sprague Dawley non-pregnant rats during their 4-day estrous cycle. Urinary levels of estrone, estradiol and estriol were measured. Unlike the plasma level, urinary 2-hydroxyestrone showed a marked increase during the pre-ovulatory LH surge suggesting a plausible role of catecholestrogen in the mid-cycle elevation ofthe gonadotropin level in normal cycling rats.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/06/20 alle ore 01:40:40