Endocrine response and ovum transport in women treated with D-Trp6-luteinizing hormone-releasing hormone in the postovulatory period

E. Guiloff, A. M. Salvatierra, M. E. Ortiz, H. B. Croxatto

Resultado de la investigación: Article

1 Cita (Scopus)

Resumen

Possible alterations in ovum transport during increased activity of the hypothalamic-pituitary-ovarian axis were investigated in women. D-Trp6-luteinizing hormone (LH)-releasing hormone, a synthetic peptide with potent gonadotropin-releasing activity, was used to induce a gonadotropin surge and stimulate ovarian steroid secretion in the postovulatory phase. The compound was administered intramuscularly or intravenously 24, 48, or 72 hours following the maximum preovulatory LH level in plasma in seven women. An immediate and pronounced gonadotropin surge accompanied by a moderate increase in the estradiol and progesterone level was obtained in all cases. Ova were recovered from the fallopian tubes in four of the seven women 24 hours following treatment. The rate of recovery and the location of ova within the genital tract indicate that the treatment and the resulting endocrine changes failed to accelerate migration of the ova toward the uterus. This observation, taken together with other negative findings previously reported, suggests that in comparison with other mammals transport of the ovum in the woman is relatively insensitive to endocrine changes occurring in the postovulatory phase.

Idioma originalEnglish
Páginas (desde-hasta)148-152
Número de páginas5
PublicaciónAmerican Journal of Obstetrics and Gynecology
Volumen142
N.º2
DOI
EstadoPublished - 1 ene 1982

Huella dactilar

Ovum Transport
Gonadotropin-Releasing Hormone
Gonadotropins
Ovum
Luteal Phase
Fallopian Tubes
Uterus
Progesterone
Mammals
Estradiol
Steroids
Peptides
Therapeutics

ASJC Scopus subject areas

  • Obstetrics and Gynaecology

Citar esto

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abstract = "Possible alterations in ovum transport during increased activity of the hypothalamic-pituitary-ovarian axis were investigated in women. D-Trp6-luteinizing hormone (LH)-releasing hormone, a synthetic peptide with potent gonadotropin-releasing activity, was used to induce a gonadotropin surge and stimulate ovarian steroid secretion in the postovulatory phase. The compound was administered intramuscularly or intravenously 24, 48, or 72 hours following the maximum preovulatory LH level in plasma in seven women. An immediate and pronounced gonadotropin surge accompanied by a moderate increase in the estradiol and progesterone level was obtained in all cases. Ova were recovered from the fallopian tubes in four of the seven women 24 hours following treatment. The rate of recovery and the location of ova within the genital tract indicate that the treatment and the resulting endocrine changes failed to accelerate migration of the ova toward the uterus. This observation, taken together with other negative findings previously reported, suggests that in comparison with other mammals transport of the ovum in the woman is relatively insensitive to endocrine changes occurring in the postovulatory phase.",
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Endocrine response and ovum transport in women treated with D-Trp6-luteinizing hormone-releasing hormone in the postovulatory period. / Guiloff, E.; Salvatierra, A. M.; Ortiz, M. E.; Croxatto, H. B.

En: American Journal of Obstetrics and Gynecology, Vol. 142, N.º 2, 01.01.1982, p. 148-152.

Resultado de la investigación: Article

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AU - Salvatierra, A. M.

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AU - Croxatto, H. B.

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AB - Possible alterations in ovum transport during increased activity of the hypothalamic-pituitary-ovarian axis were investigated in women. D-Trp6-luteinizing hormone (LH)-releasing hormone, a synthetic peptide with potent gonadotropin-releasing activity, was used to induce a gonadotropin surge and stimulate ovarian steroid secretion in the postovulatory phase. The compound was administered intramuscularly or intravenously 24, 48, or 72 hours following the maximum preovulatory LH level in plasma in seven women. An immediate and pronounced gonadotropin surge accompanied by a moderate increase in the estradiol and progesterone level was obtained in all cases. Ova were recovered from the fallopian tubes in four of the seven women 24 hours following treatment. The rate of recovery and the location of ova within the genital tract indicate that the treatment and the resulting endocrine changes failed to accelerate migration of the ova toward the uterus. This observation, taken together with other negative findings previously reported, suggests that in comparison with other mammals transport of the ovum in the woman is relatively insensitive to endocrine changes occurring in the postovulatory phase.

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