Sergio Ojeda

Professor

  • 17488 Citations
  • 72 h-Index
1969 …2020

Research output per year

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Research Output

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1979

Effects of central administation of probenecid on fevers produced by leukocytic pyrogen and PGE2 in the rabbit.

Crawford, I. L., Kennedy, J. I., Lipton, J. M. & Ojeda, S. R., Feb 1 1979, In : The Journal of Physiology. 287, 1, p. 519-533 15 p.

Research output: Contribution to journalArticle

15 Scopus citations

Evidence for noradrenergic involvement in episodic prolactin and growth hormone release in ovariectomized rats

Negro Vilar, A., Ojeda, S. R., Advis, J. P. & Mc cann, S. M., Jul 1979, In : Endocrinology. 105, 1, p. 86-91 6 p.

Research output: Contribution to journalArticle

61 Scopus citations

Progesterone (P) restores prepubertal effectiveness of estrogen negative feedback on gonadotropin release in adult female rats

Andrews, W. W., Advis, J. P. & Ojeda, S. R., Jan 1 1979, In : Federation Proceedings. 38, 3 II, p. No. 3984

Research output: Contribution to journalArticle

1 Scopus citations

Release of prostaglandin es by hypothalamic tissue:evidence for their involvement in catecholamine-induced luteinizing hormone-releasing hormone release

Ojeda, S. R., Negro-Vilar, A. & McCann, S. M., Mar 1979, In : Endocrinology. 104, 3, p. 617-624 8 p.

Research output: Contribution to journalArticle

148 Scopus citations

The role of prostaglandins in the control of gonadotropin and prolactin secretion

Ojeda, S. R., Naor, Z. & Negro-Vilar, A., Apr 1979, In : Prostaglandines and Medicine. 2, 4, p. 249-275 27 p.

Research output: Contribution to journalArticle

35 Scopus citations

Dopamine and norepinephrine stimulate somatostatin release by median eminence fragments in vitro

Negro-Vilar, A., Ojeda, S. R., Arimura, A. & McCann, S. M., Oct 9 1978, In : Life Sciences. 23, 14, p. 1493-1497 5 p.

Research output: Contribution to journalArticle

85 Scopus citations

Effects of indomethacin and prostaglandin injections on plasma prolactin and growth hormone levels in rats

Ojeda, S. R., Jameson, H. E. & Mc Cann, S. M., Feb 1978, In : Endocrinology. 102, 2, p. 531-539 9 p.

Research output: Contribution to journalArticle

27 Scopus citations

Hyperprolactinemia-induced precocious puberty in the female rat: Ovarian site of action

Advis, J. P. & Ojeda, S. R., Sep 1978, In : Endocrinology. 103, 3, p. 924-935 12 p.

Research output: Contribution to journalArticle

91 Scopus citations

In vitro release of somatostatin and LRH by MBH and ME fragments: effect of catecholamines (CA's)

Negro-Vilar, A., Ojeda, S. R. & McCann, S. M., Jan 1 1978, In : Federation Proceedings. 37, 3, p. No. 445

Research output: Contribution to journalArticle

4 Scopus citations

Prostaglandin E levels in hypothalamus, median eminence and anterior pituitary of rats of both sexes

Ojeda, S. R., Naor, Z. & McCann, S. M., Jun 23 1978, In : Brain research. 149, 1, p. 274-277 4 p.

Research output: Contribution to journalArticle

28 Scopus citations

Undernutrition, puberty and the development of estrogen positive feedback in the female rat

Ronnekleiv, O. K., Ojeda, S. R. & McCann, S. M., Jan 1 1978, In : Biology of reproduction. 19, 2, p. 414-424 11 p.

Research output: Contribution to journalArticle

61 Scopus citations
1977

Changes in pituitary responsiveness to LH-RH during puberty in the female rat: initiation of the priming effect

Castro-Vazquez, A. & Ojeda, S. R., Jan 1 1977, In : Neuroendocrinology. 23, 2, p. 88-98 11 p.

Research output: Contribution to journalArticle

17 Scopus citations
57 Scopus citations

Developmental patterns of plasma and pituitary growth hormone (GH) in the female rat

Ojeda, S. R. & Jameson, H. E., Jan 1 1977, In : Endocrinology. 100, 3, p. 881-889 9 p.

Research output: Contribution to journalArticle

87 Scopus citations

Hypothalamic areas involved in prostaglandin(PG)-induced gonadotropin release. I: Effects of PGE2 and PGF implants on luteinizing hormone release

Ojeda, S. R., Jameson, H. E. & McCann, S. M., Jun 1977, In : Endocrinology. 100, 6, p. 1585-1594 10 p.

Research output: Contribution to journalArticle

39 Scopus citations

Hypothalamic areas involved in prostaglandin(pg)-induced gonadotropin release. II: Effects of PGE2 and PGF implants on follicle stimulating hormone release

Ojeda, S. R., Jameson, H. E. & McCann, S. M., Jun 1977, In : Endocrinology. 100, 6, p. 1595-1603 9 p.

Research output: Contribution to journalArticle

27 Scopus citations

On the feedback actions of estrogen on gonadotropin and prolactin release in infantile female rats

Andrews, W. W. & Ojeda, S. R., Nov 1977, In : Endocrinology. 101, 5, p. 1517-1523 7 p.

Research output: Contribution to journalArticle

38 Scopus citations

Prolactin release in response to blockade of dopaminergic receptors and to TRH injection in developing and adult rats: Role of estrogen in determining sex differences

Ojeda, S. R., Castro-Váquez, A. & Jameson, H. E., Feb 1977, In : Endocrinology. 100, 2, p. 427-439 13 p.

Research output: Contribution to journalArticle

42 Scopus citations

Prostaglandin E2 (PGE2)-induced growth hormone (GH) release: Effect of intrahypothalamic and intrapituitary implants

Ojeda, S. R., Jameson, H. E. & McCann, S. M., May 1977, In : Prostaglandins. 13, 5, p. 943-955 13 p.

Research output: Contribution to journalArticle

15 Scopus citations

Role of catecholamines, particularly dopamine, in the control of gonadotropin secretion.

McCann, S. M., Ojeda, S. R., Martinovic, J. & Vijayan, E., Jan 1 1977, In : Advances in biochemical psychopharmacology. 16, p. 109-114 6 p.

Research output: Contribution to journalArticle

6 Scopus citations

Studies on the biological and physicochemical properties of pituitary and serum FSH in infantile female rats

Ojeda, S. R. & Jameson, H. E., Jan 1 1977, In : Federation Proceedings. 36, 3, p. No. 622

Research output: Contribution to journalArticle

6 Scopus citations
9 Scopus citations
1976

Developmental patterns of plasma and pituitary tsh and prolactin and hypothalamic trh in the female rat

Ojeda, S. R., Krulich, L. & Jameson, H. E., Jan 1 1976, In : Endocrine Research. 3, 6, p. 387-406 20 p.

Research output: Contribution to journalArticle

19 Scopus citations

Failure of Monoaminergic and Cholinergic Receptor Blockers to Prevent Prostaglandin E2-Induced Luteinizing Hormone Release

Harms, P. G., Ojeda, S. R. & McCann, S. M., Feb 1976, In : Endocrinology. 98, 2, p. 318-323 6 p.

Research output: Contribution to journalArticle

30 Scopus citations
8 Scopus citations

Maturation of the control of gonadotropin and prolactin release in the rat

Ojeda, S. R., Jan 1 1976, In : Annales de Biologie Animale, Biochimie, Biophysique. 16, 3, p. 329-343 15 p.

Research output: Contribution to journalArticle

Open Access
8 Scopus citations

Plasma Prolactin Levels in Maturing Intact and Cryptorchid Male Rats: Development of Stress Response

Ojeda, S. R., Jameson, H. E. & McCann, S. M., Feb 1976, In : Proceedings of the Society for Experimental Biology and Medicine. 151, 2, p. 310-315 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

The onset of puberty in the female rat: Changes in plasma prolactin, gonadotropins, luteinizing hormone-releasing hormone (LHRH), and hypothalamic LHRH content

Ojeda, S. R., Wheaton, J. E., Jameson, H. E. & Mc Cann, S. M., Mar 1976, In : Endocrinology. 98, 3, p. 630-638 9 p.

Research output: Contribution to journalArticle

91 Scopus citations
1975

Dopaminergic (DA) control of prolactin (PRL) release in developing rats: role of estrogen in determining sex differences

Ojeda, S. R. & Jameson, H., Jan 1 1975, In : Physiologist. 18, 3, 1 p.

Research output: Contribution to journalArticle

1 Scopus citations

Effect of inhibitors of prostaglandin synthesis on gonadotropin release in the rat

Ojeda, S. R., Harms, P. G. & Mc Cann, S. M., Oct 1975, In : Endocrinology. 97, 4, p. 843-854 12 p.

Research output: Contribution to journalArticle

62 Scopus citations

Further studies on the central effect of prostaglandins (PG's) on gonadotropin release

Ojeda, S. R., Jan 1 1975, In : Federation Proceedings. 34, 3, p. No. 394

Research output: Contribution to journalArticle

1 Scopus citations

Further studies on the maturation of the estrogen negative feedback on gonadotropin release in the female rat

Ojeda, S. R., Kalra, P. S. & McCann, S. M., Jan 1 1975, In : Neuroendocrinology. 18, 3, p. 242-255 14 p.

Research output: Contribution to journalArticle

35 Scopus citations

Prostaglandin E2 induced release of luteinizing hormone releasing factor (LRF)

Ojeda, S. R., Wheaton, J. E. & McCann, S. M., Jan 1 1975, In : Neuroendocrinology. 17, 3, p. 283-287 5 p.

Research output: Contribution to journalArticle

39 Scopus citations
1974

A rapid and simple procedure for chronic cannulation of the rat jugular vein

Harms, P. G. & Ojeda, S. R., Dec 1 1974, In : Journal of Applied Physiology. 36, 3, p. 391-392 2 p.

Research output: Contribution to journalArticle

627 Scopus citations

Central effect of prostaglandin e1 (pge1 on prolactin release

Ojeda, S. R., Harms, P. G. & McCann, S. M., Aug 1974, In : Endocrinology. 95, 2, p. 613-618 6 p.

Research output: Contribution to journalArticle

34 Scopus citations

Development of dopaminergic and estrogenic control of prolactin release in the female rat

Ojeda, S. R. & McCann, S. M., Jan 1 1974, In : Endocrinology. 95, 6, p. 1499-1505 7 p.

Research output: Contribution to journalArticle

76 Scopus citations

Effect of an intraventricular injection of cyclic AMP on plasma prolactin and LH levels of ovariectomized, estrogen treated rats

Ojeda, S. R., Krulich, L. & McCann, S. M., Jan 1 1974, In : Neuroendocrinology. 16, 5-6, p. 342-354 13 p.

Research output: Contribution to journalArticle

8 Scopus citations

Effect of Blockade of Dopaminergic Receptors on Prolactin and LH Release: Median Eminence and Pituitary Sites of Action

Ojeda, S., Harms, P. G. & McCann, S. M., 1974, In : Endocrinology. 94, 6, p. 1650-1657 8 p.

Research output: Contribution to journalArticle

72 Scopus citations

Effect of third ventricular injections of prostaglandins (PG's) on gonadotropin release in conscious free moving male rats

Ojeda, S. R., Harms, P. G. & McCann, S. M., Dec 25 1974, In : Prostaglandins. 8, 6, p. 545-552 8 p.

Research output: Contribution to journalArticle

12 Scopus citations

Possible role of cyclic AMP and prostaglandin E1 in the dopaminergic control of prolactin release

Ojeda, S. R., Harms, P. G. & McCann, S. M., Jan 1 1974, In : Endocrinology. 95, 6, p. 1694-1703 10 p.

Research output: Contribution to journalArticle

53 Scopus citations

Prostaglandin-induced release of pituitary gonadotropins: Central nervous system and pituitary sites of action

Harms, P. G., Ojeda, S. R. & McCann, S. M., May 1974, In : Endocrinology. 94, 5, p. 1459-1464 6 p.

Research output: Contribution to journalArticle

64 Scopus citations

Sites and mechanism of action of dopamine (DA) in controlling prolactin (PRL) release

Ojeda, S. R., Harms, P. G. & McCann, S. M., Jan 1 1974, In : Federation Proceedings. 33, 3 I, 1 p.

Research output: Contribution to journalArticle

1973

Evidence for changes in sensitivity to testosterone negative feedback on gonadotropin release during sexual development in the male rat

Negro-Vilar, A., Ojeda, S. R. & McCann, S. M., Sep 1973, In : Endocrinology. 93, 3, p. 729-735 7 p.

Research output: Contribution to journalArticle

66 Scopus citations

Evidence for participation of a catecholaminergic mechanism in the post castration rise in plasma gonadotropins

Ojeda, S. R. & McCann, S. M., Jan 1 1973, In : Neuroendocrinology. 12, 4-5, p. 295-315 21 p.

Research output: Contribution to journalArticle

53 Scopus citations

Modification of brain catecholamine synthesis and the rise in plasma gonadotropins after castration

Ojeda, S. & McCann, S. M., Jan 1 1973, In : Federation Proceedings. 32, 3 (I), 1 p.

Research output: Contribution to journalArticle

Prostaglandin involvement in hypothalamic control of gonadotropin and prolactin release

Harms, P. G., Ojeda, S. R. & Mccann, S. M., Jan 1 1973, In : Science. 181, 4101, p. 760-761 2 p.

Research output: Contribution to journalArticle

90 Scopus citations

Short-term steroid treatment on plasma lh and fsh in castrated rats from birth to puberty

Ojeda, S. R. & Ramirez, V. D., Jan 1 1973, In : Neuroendocrinology. 13, 1-2, p. 100-114 15 p.

Research output: Contribution to journalArticle

30 Scopus citations
1972

Different pituitary-gonadal response to hemicastration in female and in male rats bearing intrahypothalamic FSH implants.

Ojeda, S. R. & Ramirez, V. D., 1972, In : Neuroendocrinology. 10, 3, p. 161-174 14 p.

Research output: Contribution to journalArticle

9 Scopus citations