Sergio Ojeda

Professor

  • 17308 Citations
  • 72 h-Index
1969 …2020
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Research Output 1969 2019

  • 17308 Citations
  • 72 h-Index
  • 335 Article
  • 6 Chapter
  • 1 Conference contribution
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Article
1969
31 Citations (Scopus)

Automatic control of LH and FSH secretion by short feedback circuits in immature rats.

Ojeda, S. & Ramírez, V. D., Apr 1969, In : Endocrinology. 84, 4, p. 786-797 12 p.

Research output: Contribution to journalArticle

Stereotaxic Techniques
Hypothalamo-Hypophyseal System
Organ Size
Estrus
Follicle Stimulating Hormone
1970
1 Citation (Scopus)

Failure of estrogen to block compensatory ovarian hypertrophy in prepuberal rats bearing medial basal hypothalamic FSH implants.

Ojeda, S. & Ramirez, V. D., Jan 1970, In : Endocrinology. 86, 1, p. 50-56 7 p.

Research output: Contribution to journalArticle

Hypothalamo-Hypophyseal System
Ovarian Diseases
Drug Receptors
Biological Models
Organ Size
1972
9 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Organ Size
Follicle Stimulating Hormone
Pituitary Gland
Cerebral Cortex
Hypertrophy
161 Citations (Scopus)

Plasma level of LH and FSH in maturing rats: response to hemigonadectomy.

Ojeda, S. R. & Ramírez, V. D., Feb 1972, In : Endocrinology. 90, 2, p. 466-472 7 p.

Research output: Contribution to journalArticle

Iodine Isotopes
Sex Factors
Organ Size
Age Factors
Follicle Stimulating Hormone
1973
66 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Testosterone Propionate
Sexual Development
Gonadotropins
Testosterone
Castration
53 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Castration
Gonadotropins
Methyltyrosines
Dihydroxyphenylalanine
Norepinephrine
Castration
Gonadotropins
Catecholamines
Brain
90 Citations (Scopus)

Prostaglandin involvement in hypothalamic control of gonadotropin and prolactin release

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

Research output: Contribution to journalArticle

Alprostadil
Gonadotropins
Dinoprostone
Prolactin
Prostaglandins
30 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Puberty
Steroids
Parturition
Seminal Vesicles
Prostate
1974
627 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Jugular Veins
Catheterization
Cannula
19 Citations (Scopus)

Catecholaminergic control of gonadotropin and prolactin secretion with particular reference to the possible participation of dopamine.

McCann, S. M., Ojeda, S., Fawcett, C. P. & Krulich, L., 1974, In : Advances in neurology. 5, p. 435-445 11 p.

Research output: Contribution to journalArticle

Prolactin-Releasing Hormone
Thiocarbamates
Fenclonine
Pargyline
Pimozide
34 Citations (Scopus)

Central effect of prostaglandin E1 (PGE1) on prolactin release

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

Research output: Contribution to journalArticle

Alprostadil
Prolactin
Prostaglandins F
Dinoprostone
Estrogens
76 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Prolactin
Estrogens
Pimozide
Dopamine Antagonists
Dopamine Receptors
8 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Intraventricular Injections
Luteinizing Hormone
Prolactin
Cyclic AMP
Estrogens
72 Citations (Scopus)

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

Prolactin Receptors
LH Receptors
Median Eminence
Prolactin
Anterior Pituitary Gland
12 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Gonadotropins
Alprostadil
Prostaglandins
Rats
Dinoprostone
53 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Alprostadil
Prolactin
Cyclic AMP
Bucladesine
Dopamine
64 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Pituitary Gonadotropins
Dinoprostone
Prostaglandins
Alprostadil
Central Nervous System

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

Ojeda, S., Harms, P. G. & McCann, S. M., 1974, In : Federation Proceedings. 33, 3 I, p. 193 1 p.

Research output: Contribution to journalArticle

Prolactin
Dopamine
1975
1 Citation (Scopus)

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

Ojeda, S. & Jameson, H., 1975, In : Physiologist. 18, 3, p. 337 1 p.

Research output: Contribution to journalArticle

Sex Characteristics
Prolactin
Estrogens
62 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Prostaglandin Antagonists
Gonadotropins
Indomethacin
Progesterone
Injections
1 Citation (Scopus)
Gonadotropins
Prostaglandins
35 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Drug Dose Response Relationship
Hypothalamo-Hypophyseal System
Newborn Animals
Pituitary Gonadotropins
Castration
39 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Luteinizing Hormone
Dinoprostone
Third Ventricle
Hypothalamus
Neurotransmitter Agents
1976
19 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Prolactin
Puberty
Hormones
Proestrus
Sexual Maturation
30 Citations (Scopus)

Failure of monoaminergic and cholinergic receptor blockers to prevent prostaglandin E2 induced luteinizing hormone release

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

Research output: Contribution to journalArticle

Cholinergic Receptors
Luteinizing Hormone
Dinoprostone
Third Ventricle
Gonadotropin-Releasing Hormone
8 Citations (Scopus)
Synthetic Prostaglandin Endoperoxides
Prostaglandins B
Prostaglandins A
Gonadotropins
Dinoprostone
8 Citations (Scopus)
gonadotropins
prolactin
Gonadotropins
Prolactin
estrogens
11 Citations (Scopus)

Plasma prolactin levels in maturing intact and cryptorchid male rats: development of stress response

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

Research output: Contribution to journalArticle

Prolactin
Rats
Plasmas
Sexual Development
Seminiferous Tubules
3 Citations (Scopus)

Role of prostaglandins (PGs) in the control of adenohypophyseal hormone secretion.

McCann, S. M., Ojeda, S., Harms, P. G., Wheaton, J. E., Sundberg, D. K. & Fawcett, C. P., 1976, In : Current topics in molecular endocrinology. 3, p. 21-35 15 p.

Research output: Contribution to journalArticle

Drug Dose Response Relationship
Anterior Pituitary Hormones
Anterior Pituitary Gland
Castration
Follicle Stimulating Hormone
91 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Hypothalamic Hormones
Proestrus
Puberty
Gonadotropins
Gonadotropin-Releasing Hormone
1977
17 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Proestrus
Puberty
Gonadotropin-Releasing Hormone
Gonadotropins
Estrus
57 Citations (Scopus)
Dihydrotestosterone
Gonadotropin-Releasing Hormone
Testosterone Propionate
Adrenalectomy
Ovariectomy
87 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Growth Hormone
Diestrus
Body Weight
Gonadotropins
Vagina
39 Citations (Scopus)

Hypothalamic areas involved in prostaglandin(PG) induced gonadotropin release. I. Effects of PGE2 and PGF(2α) implants on luteinizing hormone release

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

Research output: Contribution to journalArticle

Prostaglandins F
Luteinizing Hormone
Gonadotropins
Dinoprostone
Prostaglandins
27 Citations (Scopus)

Hypothalamic areas involved in prostaglandin(PG) induced gonadotropin release. II. Effect of PGE2 and PGF(2α) implants on follicle stimulating hormone release

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

Research output: Contribution to journalArticle

Follicle Stimulating Hormone
Prostaglandins F
Gonadotropins
Dinoprostone
Prostaglandins
38 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Gonadotropins
Prolactin
Estrogens
alpha-Fetoproteins
Diethylstilbestrol
42 Citations (Scopus)

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., Castro Vazquez, A. & Jameson, H. E., 1977, In : Endocrinology. 100, 2, p. 427-439 13 p.

Research output: Contribution to journalArticle

Thyrotropin Releasing Hormone Receptors
Sex Characteristics
Prolactin
Estrogens
Injections
15 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Dinoprostone
Growth Hormone
Ether
Plasmas
Animals
6 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Intraventricular Injections
Adrenergic alpha-Antagonists
Follicle Stimulating Hormone
Luteinizing Hormone
Gonadotropins
Serum
6 Citations (Scopus)
Follicle Stimulating Hormone
Gel Chromatography
Serum
Biological Assay
Ovary
9 Citations (Scopus)
Thyrotropin-Releasing Hormone
Estrous Cycle
Growth Hormone
Rats
Diestrus
1978
23 Citations (Scopus)

Control of LH and FSH release by LHRH: Influence of putative neurotransmitters

Ojeda, S. & McCann, S. M., 1978, In : Clinics in Obstetrics and Gynaecology. 5, 2, p. 283-303 21 p.

Research output: Contribution to journalArticle

Gonadotropin-Releasing Hormone
Neurotransmitter Agents
Gonadotropins
Steroids
Prostaglandins E
13 Citations (Scopus)
Hypothalamo-Hypophyseal System
Secretory Rate
Sexual Maturation
Luteinizing Hormone
Prostaglandins E
85 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Median Eminence
Somatostatin
Dopamine
Norepinephrine
Pimozide
27 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Indomethacin
Prolactin
Growth Hormone
Prostaglandins
Injections
91 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Precocious Puberty
Hyperprolactinemia
Diestrus
Sulpiride
Progesterone
4 Citations (Scopus)

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

Negro-Vilar, A., Ojeda, S. & McCann, S. M., 1978, In : Federation Proceedings. 37, 3

Research output: Contribution to journalArticle

Somatostatin
Catecholamines
In Vitro Techniques
28 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Hypothalamo-Hypophyseal System
Middle Hypothalamus
Median Eminence
Anterior Pituitary Gland
Estrus