Spontaneous motility and prostaglandin generation in rat uterine horns isolated during the estrous cycle

Measurements were made of spontaneous contractions and release of prostaglandin E-and F-like material into the bathing medium by uterine horns isolated from rats in different stages of the sex cycle. After 70 min of contractile activity the preparations from estrous rats released more PGF than those...

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Autor principal: Franchi, A.M
Otros Autores: Chaud, M., Borda, E.S, Gimeno, M.F, Lazzari, M.A, Gimeno, A.L
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1981
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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LEADER 07017caa a22008297a 4500
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008 190411s1981 xx ||||fo|||| 00| 0 eng|d
024 7 |2 scopus  |a 2-s2.0-0019772149 
024 7 |2 cas  |a prostaglandin E, 11042-70-9; Epoprostenol, 35121-78-9; Prostaglandins; Prostaglandins E; Prostaglandins F 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a PRGLB 
100 1 |a Franchi, A.M. 
245 1 0 |a Spontaneous motility and prostaglandin generation in rat uterine horns isolated during the estrous cycle 
260 |c 1981 
270 1 0 |m Franchi, A.M.; Centro de Estudios Farmocológicos y de Principios Naturales (CEFAPRIN), V. de Obligado 2490, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Sharma, Garg, Measurement of prostaglandins E and F in the uterine tissue and uterine fluid of ovariectomized rats treated with various doses of oestradiol-17 (1977) J. Reprod. Fert., 51, pp. 119-121 
504 |a Van Orden, Goodale, Baker, Barley, Bhatnager, Uterine Catecholamines and Prostaglandinis during the Estrous Cycle of the Rat (1980) Endocrinol., 106, pp. 1650-1654 
504 |a Poyser, Scott, Prostaglandin and thromboxane production by the rat uterus and ovary in vitro during the oestrous cycle (1980) J. Reprod. Fert., 60, pp. 33-40 
504 |a Ham, Cirillo, Zanetti, Kuehl, Estrogen-directed synthesis of specific prostaglandins in uterus (1975) Proc. Natn. Acad. Sci. USA, 72, pp. 1420-1429 
504 |a Downing, Williams, Differential prostaglandin production by microsomal fractions fo rat pregnant uterus (1977) Brit. J. Pharmacol., 61, p. 158p 
504 |a Saksena, Shaikh, Shaikh, Uterine and peripheral plasma F-prostaglandins correlated with peripheral progesterone in cyclic rats (1973) Prostaglandins, 4, pp. 243-249 
504 |a Vane, Williams, The contribution of prostaglandin production to contractions of the isolated uterus of the rat (1973) Brit. J. Pharmacol., 48, pp. 629-639 
504 |a Harney, Sneddon, Williams, The influence of ovarian hormones upon the motility and prostaglandin production of the pregnant rat uterus in vitro (1974) J. Endocrinol., 60, pp. 343-351 
504 |a Dubin, Ghodgaonkar, King, Role of Prostaglandin Production in Spontaneous and Oxytocin-Induced Uterine Contractile Activity in, “in vitro” Pregnant rat Uteri (1979) Endocrinology, 105, p. 47 
504 |a Gimeno, Sterin-Speziale, Landa, Bonacossa, Gimeno, Is the spontaneous motility of isolated rat uterus controlled by Prostaglandin E? (1979) Prostaglandinss, 17, pp. 673-683 
504 |a Sterin-Speziale, Gimeno, Bonacossa, Gimeno, The effect of estradiol on isolated rat uterine motility and on prostaglandin generation (1980) Prostaglandins, 20, pp. 233-243 
504 |a Gimeno, Borda, Sterin-Borda, Vidal, Gimeno, Pharmacologic influences on human ovarian contractions (1976) Obstet. Gynec. (N.Y.), 47, pp. 218-222 
504 |a Vane, The use of isolated organs for detection active substance in the circulatory blood (1964) Brit. J. Pharmacol. Chemother., 23, pp. 360-367 
504 |a Gilmore, Vane, Willie, Prostaglandins released by the spleen (1968) Nature, 218, pp. 135-137 
504 |a Gimeno, Borda, Lazzari, Gimeno, Ovarian hormones inhibit the release of prostacyclin like material from isolated rat uterus (1980) Prostaglandins, 20, pp. 223-232 
520 3 |a Measurements were made of spontaneous contractions and release of prostaglandin E-and F-like material into the bathing medium by uterine horns isolated from rats in different stages of the sex cycle. After 70 min of contractile activity the preparations from estrous rats released more PGF than those from proestrous or metestrous rats. On the other hand, similar amounts of PGF-like material is generated by estrous and diestrous horns. Less PGE-like material was found in the bathing solution during estrus than in metestrus or diestrus; the values obtained during proestrus were similar to those in estrus. PGI2_like material produced by chopped uterine tissue was greater during diestrus than in estrus. The initial isometric developed tension (IDT) and tension constancy varied depeding of the stage of the sex cycle. Uteri from metestrous rats exhibited greater IDT and less % change with time than preparations from estrous or proestrous rats. The initial IDT, the tension change with time and contractile frequency correlate with the PGE-like material in the bathing solution during the 4 days of the sex cycle. There was no correlation with PGF-like material. © 1979.  |l eng 
536 |a Detalles de la financiación: The capacity of the non-pregnant rat uterus to synthetize prostaglandins (PGs) has been studied in homogenized tissues (1,2,3), in uterine microsomal fractions (4,5) and in peripheral plasma (6). In general there are few reports measuring the PGs in relation to myometrial spontaneous motility. Vane and Williams (71, Hardney et al. (8) and Dubin et al. (9) observed an apparent relationship between phasic spontaneous contractions and (I) This work has been supported by Grant 6638 from the Consejo National de Investigaciones Cientificas y Thcnicas (CONICET) de la RepAblica Argentina. 
593 |a Centro de Estudios Farmocológicos y de Principios Naturales (CEFAPRIN), V. de Obligado 2490, 1428 Buenos Aires, Argentina 
593 |a Instituto de Investigaciones Hematológicas, Argentina 
690 1 0 |a PROSTAGLANDIN 
690 1 0 |a PROSTAGLANDIN E 
690 1 0 |a PROSTAGLANDIN F 
690 1 0 |a ANIMAL EXPERIMENT 
690 1 0 |a ESTRUS 
690 1 0 |a FEMALE GENITAL SYSTEM 
690 1 0 |a MYOMETRIUM 
690 1 0 |a RAT 
690 1 0 |a UTERUS HORN 
690 1 0 |a ANIMALS 
690 1 0 |a EPOPROSTENOL 
690 1 0 |a ESTRUS 
690 1 0 |a FEMALE 
690 1 0 |a PREGNANCY 
690 1 0 |a PROSTAGLANDINS 
690 1 0 |a PROSTAGLANDINS E 
690 1 0 |a PROSTAGLANDINS F 
690 1 0 |a RATS 
690 1 0 |a RATS, INBRED STRAINS 
690 1 0 |a UTERINE CONTRACTION 
690 1 0 |a UTERUS 
690 1 0 |a ANIMALIA 
700 1 |a Chaud, M. 
700 1 |a Borda, E.S. 
700 1 |a Gimeno, M.F. 
700 1 |a Lazzari, M.A. 
700 1 |a Gimeno, A.L. 
773 0 |d 1981  |g v. 22  |h pp. 637-649  |k n. 4  |p Prostaglandins  |x 00906980  |t Prostaglandins 
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856 4 0 |u https://doi.org/10.1016/0090-6980(81)90073-3  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00906980_v22_n4_p637_Franchi  |y Handle 
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