Search Results - "Frungieri, M. B"

Ageing and inflammation in the male reproductive tract by Frungieri, M. B., Calandra, R. S., Bartke, A., Matzkin, M. E.

“…Summary Ageing is usually characterised by a mild chronic proinflammatory state. Despite the tight association between both processes, the phenomenon has…”
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Evidence for an adaptation in ROS scavenging systems in human testicular peritubular cells from infertility patients by Kampfer, C., Spillner, S., Spinnler, K., Schwarzer, J. U., Terradas, C., Ponzio, R., Puigdomenech, E., Levalle, O., Köhn, F. M., Matzkin, M. E., Calandra, R. S., Frungieri, M. B., Mayerhofer, A.

“…Summary Fibrosis, increased amounts of immune cells and expression of COX‐2 in the testes of infertility patients provide circumstantial evidence for a…”
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Human testicular mast cells contain tryptase: increased mast cell number and altered distribution in the testes of infertile men by Meineke, V, Frungieri, M B, Jessberger, B, Vogt, H, Mayerhofer, A

“…To determine whether human testicular mast cells contain the potent fibroblast growth factor tryptase and to examine changes in mast cell morphology and…”
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Aging in the Syrian hamster testis: Inflammatory-oxidative status and the impact of photoperiod by Matzkin, M.E., Valchi, P., Riviere, E., Rossi, S.P., Tavalieri, Y.E., Muñoz de Toro, M.M., Mayerhofer, A., Bartke, A., Calandra, R.S., Frungieri, M.B.

“…Testicular aging is linked to histological, morphological and functional alterations. In the present study, we investigated whether aging affects the…”
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Mast cell–sperm interaction: evidence for tryptase and proteinase‐activated receptors in the regulation of sperm motility by Weidinger, S., Mayerhofer, A., Frungieri, M.B., Meineke, V., Ring, J., Kohn, F.M.

“…BACKGROUND: The detection of significant levels of tryptase in human seminal plasma and follicular fluid and of tryptase‐positive mast cells (MCs) in the wall…”
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Divergent effects of the major mast cell products histamine, tryptase and TNF-alpha on human fibroblast behaviour by Albrecht, M, Frungieri, M B, Kunz, L, Rämsch, R, Meineke, V, Köhn, F M, Mayerhofer, A

“…Fibroblast proliferation is a key process in tissue remodeling and mast cells (MCs) are thought to play a crucial role. Having established that the three major…”
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Melatonin in testes of infertile men: evidence for anti‐proliferative and anti‐oxidant effects on local macrophage and mast cell populations by Rossi, S. P., Windschuettl, S., Matzkin, M. E., Terradas, C., Ponzio, R., Puigdomenech, E., Levalle, O., Calandra, R. S., Mayerhofer, A., Frungieri, M. B.

“…Summary Melatonin acting through the hypothalamus and pituitary regulates testicular function. In addition, direct actions of melatonin at the testicular level…”
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The Ca2+-activated, large conductance K+-channel (BKCa) is a player in the LH/hCG signaling cascade in testicular Leydig cells by Matzkin, M.E., Lauf, S., Spinnler, K., Rossi, S.P., Köhn, F.M., Kunz, L., Calandra, R.S., Frungieri, M.B., Mayerhofer, A.

“…► The Ca2+-activated K+-channel (BKCa) is expressed by Leydig cells in adult hamster and human testis. ► BKCa is activated upon LH-receptor activation. ► It is…”
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Evidence for catecholaminergic, neuronlike cells in the adult human testis: changes associated with testicular pathologies by Mayerhofer, A, Frungieri, M. B, Fritz, S, Bulling, A, Jessberger, B, Vogt, H. J

“…Neuronlike, catecholaminergic cells expressing tyrosine‐hydroxylase (TH) have recently been found in the testis of a nonhuman primate species, the rhesus…”
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The action of the mast cell product tryptase on cyclooxygenase-2 (COX2) and subsequent fibroblast proliferation involves activation of the extracellular signal-regulated kinase isoforms 1 and 2 (erk1/2) by Frungieri, Mónica B., Albrecht, Martin, Raemsch, Romi, Mayerhofer, Artur

“…The mast cell product tryptase, via protease-activated receptor 2 (PAR2), induces cyclooxygenase-2 (COX2) and 15-deoxy-prostaglandin J2 (15d-PGJ2) synthesis…”
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Correction to: “Cyclooxygenase-2 and Prostaglandin F2α in Syrian Hamster Leydig Cells: Inhibitory Role on Luteinizing Hormone/Human Chorionic Gonadotropin-Stimulated Testosterone Production”

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Influence of photoinhibition on GABA and glutamic acid levels, and on glutamate decarboxylase activity in the testis and epididymis of the golden hamster by Frungieri, M B, Gonzalez-Calvar, S I, Calandra, R S

“…Gamma-aminobutyric acid (GABA) is found in the gonads and accessory reproductive organs, and a direct effect on steroidogenesis and sperm viability and…”
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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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Influence of age and photoperiod on steroidogenic function of the testis in the golden hamster by FRUNGIERI, M. B, GONZALEZ-CALVAR, S. I, BARTKE, A, CALANDRA, R. S

“…The golden (Syrian) hamster is a seasonal breeder, and exposure of adult animals to short days results in severe gonadal regression with morphological features…”
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Testicular gamma-aminobutyric acid and circulating androgens in Syrian and Djungarian hamsters during sexual development by Frungieri, M B, Gonzalez-Calvar, S I, Chandrashekar, V, Rao, J N, Bartke, A, Calandra, R S

“…Several factors, besides luteinizing hormone (LH), participate in the modulation of testicular function. A number of neurotransmitters are reported to be…”
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Interactions between testicular serotoninergic, catecholaminergic, and corticotropin-releasing hormone systems modulating cAMP and testosterone production in the golden hamster by Frungieri, Mónica B, Zitta, Karina, Pignataro, Omar P, Gonzalez-Calvar, Silvia I, Calandra, Ricardo S

“…We previously reported the presence of serotonin (5-HT) in testes from golden hamster, a photoperiodic species which is a useful model for the study of states…”
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Polyamine levels in testes and seminal vesicles from adult golden hamsters during gonadal regression-recrudescence by Frungieri, M. B, Gonzalez-Calvar, S. I, Calandra, R. S

“…The exposure of golden hamsters to short days results in early regression of the reproductive organs and subsequent spontaneous recrudescence characterized by…”
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Insights into GABA receptor signalling in TM3 Leydig cells by Doepner, Richard F G, Geigerseder, Christof, Frungieri, Monica B, Gonzalez-Calvar, Silvia I, Calandra, Ricardo S, Raemsch, Romi, Fohr, Karl, Kunz, Lars, Mayerhofer, Artur

“…Gamma-aminobutyric acid (GABA) is an emerging signalling molecule in endocrine organs, since it is produced by endocrine cells and acts via GABA(A) receptors…”
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Neuronal elements in the testis of the rhesus monkey: ontogeny, characterization and relationship to testicular cells by Frungieri, M B, Urbanski, H F, Höhne-Zell, B, Mayerhofer, A

“…Intrinsic neuron-like cells expressing the catecholamine-biosynthetic enzyme tyrosine hydroxylase (TH) were recently identified in the testis of the…”
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Serotonin in golden hamster testes: testicular levels, immunolocalization and role during sexual development and photoperiodic regression-recrudescence transition by Frungieri, M B, Gonzalez-Calvar, S I, Rubio, M, Ozu, M, Lustig, L, Calandra, R S

“…Serotonin (5-HT) is found in the gonads and accessory reproductive organs of several species. The golden (Syrian) hamster is a seasonal breeder. Exposure of…”
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