Search Results - "CALANDRA, RICARDO S."

Cyclooxygenase and prostaglandins in somatic cell populations of the testis by Frungieri, Mónica B, Calandra, Ricardo S, Mayerhofer, Artur, Matzkin, María E

“…Prostaglandins (PGs) are synthesized through the action of the rate-limiting enzyme cyclooxygenase (COX) and further specific enzymes. The development of…”
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Hormonal Regulation of Follicle-Stimulating Hormone Glycosylation in Males by Campo, Stella, Andreone, Luz, Ambao, Verónica, Urrutia, Mariela, Calandra, Ricardo S, Rulli, Susana B

“…The Follicle-Stimulating Hormone plays an important role in the regulation of gametogenesis. It is synthesized and secreted as a family of glycoforms with…”
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Number, distribution pattern, and identification of macrophages in the testes of infertile men by Frungieri, Mónica B, Calandra, Ricardo S, Lustig, Livia, Meineke, Viktor, Köhn, Frank M, Vogt, Hermann Josef, Mayerhofer, Artur

“…To investigate the number, location, and secretory products of macrophages in human testes showing normal and abnormal spermatogenesis. Evaluation of…”
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A Prostaglandin D2 system in the human testis by Schell, Christoph, Frungieri, Monica B., Ph.D, Albrecht, Martin, Ph.D, Gonzalez-Calvar, Silvia I., Ph.D, Köhn, Frank M., M.D, Calandra, Ricardo S., M.D, Mayerhofer, Artur, M.D

“…As shown recently, cyclooxygenase 2 (COX2), the inducible key enzyme for the prostaglandin (PG) biosynthetic pathway, is abundantly present in interstitial…”
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Expression of the TGF-beta1 system in human testicular pathologies by Gonzalez, Candela R, Matzkin, María E, Frungieri, Mónica B, Terradas, Claudio, Ponzio, Roberto, Puigdomenech, Elisa, Levalle, Oscar, Calandra, Ricardo S, Gonzalez-Calvar, Silvia I

“…In non-obstructive azoospermia, histological patterns of Sertoli cell-only Syndrome (SCO) and hypospermatogenesis (H) are commonly found. In these pathologies,…”
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Elevated chorionic gonadotropic hormone in transgenic mice induces parthenogenetic activation and ovarian teratomas by Rulli, Susana B., Ahtiainen, Petteri, Ratner, Laura D., Jonas, Kim, Calandra, Ricardo S., Poutanen, Matti, Huhtaniemi, Ilpo

“…Both male and female reproductive functions are impacted by altered gonadotrophin secretion and action, which may also influence the development of endocrine…”
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Male and female gonadal ageing: its impact on health span and life span by Frungieri, Mónica B., Calandra, Ricardo S., Bartke, Andrzej, Matzkin, María E.

“…•Gonadal ageing involves local inflammatory, oxidative and apoptotic events.•Vertebrate animal models are commonly used to investigate gonadal ageing.•Gonadal…”
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Testosterone induction of prostaglandin-endoperoxide synthase 2 expression and prostaglandin F2α production in hamster Leydig cells by Matzkin, María E, Gonzalez-Calvar, Silvia I, Mayerhofer, Artur, Calandra, Ricardo S, Frungieri, Mónica B

“…We have previously observed expression of prostaglandin-endoperoxide synthase 2 (PTGS2), the key enzyme in the biosynthesis of prostaglandins (PGs), in…”
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Melatonin improves oxidative state and lactate metabolism in rodent Sertoli cells by Rossi, Soledad P., Matzkin, María E., Riviere, Eugenia, Martinez, Gustavo, Ponzio, Roberto, Levalle, Oscar, Terradas, Claudio, Calandra, Ricardo S., Frungieri, Mónica B.

“…Antioxidant actions of melatonin and its impact on testicular function and fertility have already been described. Considering that Sertoli cells contribute to…”
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Melatonin daily oral supplementation attenuates inflammation and oxidative stress in testes of men with altered spermatogenesis of unknown aetiology by Riviere, Eugenia, Rossi, Soledad P., Tavalieri, Yamil E., Muñoz de Toro, Mónica M., Ponzio, Roberto, Puigdomenech, Elisa, Levalle, Oscar, Martinez, Gustavo, Terradas, Claudio, Calandra, Ricardo S., Matzkin, María E., Frungieri, Mónica B.

“…We have previously shown an inverse correlation between testicular melatonin concentration and inflammation/oxidative stress-related markers levels in…”
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Pleiotropic actions of melatonin in testicular peritubular myoid cells of immature Syrian hamsters by Riviere, Eugenia, Rossi, Soledad P., Tavalieri, Yamil E., Muñoz de Toro, Mónica M., Calandra, Ricardo S., Mayerhofer, Artur, Matzkin, María E., Frungieri, Mónica B.

“…Peritubular myoid cells are emerging as key regulators of testicular function in adulthood. However, little is known about the role of testicular peritubular…”
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Evidence for a GABAergic system in rodent and human testis: local GABA production and GABA receptors by Geigerseder, Christof, Doepner, Richard, Thalhammer, Andrea, Frungieri, Monica B, Gamel-Didelon, Katia, Calandra, Ricardo S, Köhn, Frank M, Mayerhofer, Artur

“…The major neurotransmitter of the central nervous system, gamma-aminobutyric acid (GABA), exerts its actions through GABA(A), GABA(B) and GABA(C) receptors…”
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Reactive oxygen species (ROS) production triggered by prostaglandin D2 (PGD2) regulates lactate dehydrogenase (LDH) expression/activity in TM4 Sertoli cells by Rossi, Soledad P., Windschüttl, Stefanie, Matzkin, María E., Rey-Ares, Verónica, Terradas, Claudio, Ponzio, Roberto, Puigdomenech, Elisa, Levalle, Oscar, Calandra, Ricardo S., Mayerhofer, Artur, Frungieri, Mónica B.

“…Reactive oxygen species (ROS) regulate testicular function in health and disease. We previously described a prostaglandin D2 (PGD2) system in Sertoli cells…”
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New insights into melatonin/CRH signaling in hamster Leydig cells by Rossi, Soledad P, Matzkin, María E, Terradas, Claudio, Ponzio, Roberto, Puigdomenech, Elisa, Levalle, Oscar, Calandra, Ricardo S, Frungieri, Mónica B

“…Graphical abstract Highlights ► Melatonin/CRH as stimulatory factors of tyrosine phosphatases. ► Melatonin/CRH as inhibitory factors of erk and jnk…”
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Hyperprolactinemia induced by hCG leads to metabolic disturbances in female mice by Ratner, Laura D, Stevens, Guillermina, Bonaventura, Maria Marta, Lux-Lantos, Victoria A, Poutanen, Matti, Calandra, Ricardo S, Huhtaniemi, Ilpo T, Rulli, Susana B

“…The metabolic syndrome is a growing epidemic; it increases the risk for diabetes, cardiovascular disease, fatty liver, and several cancers. Several reports…”
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Short-Term Pharmacological Suppression of the Hyperprolactinemia of Infertile hCG-Overproducing Female Mice Persistently Restores Their Fertility by Ratner, Laura D, Gonzalez, Betina, Ahtiainen, Petteri, Di Giorgio, Noelia P, Poutanen, Matti, Calandra, Ricardo S, Huhtaniemi, Ilpo T, Rulli, Susana B

“…Female infertility is often associated with deregulation of hormonal networks, and hyperprolactinemia is one of the most common endocrine disorders of the…”
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Direct Effect of Melatonin on Syrian Hamster Testes: Melatonin Subtype 1a Receptors, Inhibition of Androgen Production, and Interaction with the Local Corticotropin-Releasing Hormone System by Frungieri, Mónica B, Mayerhofer, Artur, Zitta, Karina, Pignataro, Omar P, Calandra, Ricardo S, Gonzalez-Calvar, Silvia I

“…Besides the hypothalamus and pituitary, melatonin action at the testicular level has been recently suggested. Therefore, we investigated in the Syrian hamster,…”
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Cyclooxygenase-2 and Prostaglandin F2α in Syrian Hamster Leydig Cells: Inhibitory Role on Luteinizing Hormone/Human Chorionic Gonadotropin-Stimulated Testosterone Production by Frungieri, Mónica B, Gonzalez-Calvar, Silvia I, Parborell, Fernanda, Albrecht, Martin, Mayerhofer, Artur, Calandra, Ricardo S

“…We have previously found that cyclooxygenase-2 (COX-2), a key enzyme in the biosynthesis of prostaglandins (PGs), is present in the testicular interstitial…”
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Elevated hypothalamic aromatization at the onset of precocious puberty in transgenic female mice hypersecreting human chorionic gonadotropin: Effect of androgens by Gonzalez, Betina, Ratner, Laura D., Scerbo, María J., Di Giorgio, Noelia P., Poutanen, Matti, Huhtaniemi, Ilpo T., Calandra, Ricardo S., Lux-Lantos, Victoria A.R., Cambiasso, María J., Rulli, Susana B.

“…•Transgenic female mice for hCG exhibit elevated androgens and precocious puberty.•Aromatase levels are increased at the hypothalamic preoptic area of…”
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Direct Effect of Ghrelin on Leptin Production by Cultured Rat White Adipocytes by Giovambattista, Andrés, Piermaría, Judith, Suescun, María O., Calandra, Ricardo S., Gaillard, Rolf C., Spinedi, Eduardo

“…Objective: Because ghrelin is known to stimulate adipogenesis, we tested whether ghrelin could contribute to the maintenance of homeostasis, directly affecting…”
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