Research Topics
| Matías PandolfiSummaryAffiliation: Universidad de Buenos Aires Country: Argentina Publications
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Publications
Studies on the reproductive and developmental biology of Cichlasoma dimerus (Percifomes, Cichlidae)Matías Pandolfi
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria C1428EHA, Buenos Aires, Argentina
Biocell 33:1-18. 2009....
Immunocytochemical localization of different cell types in the adenohypophysis of the cichlid fish Cichlasoma dimerus (Heckel, 1840)M Pandolfi
Laboratorio de Embriología Animal, Dpto de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
Biocell 25:35-42. 2001..PAS positive cells from the PI bound specifically with three different antisera raised against somatolactin (SL) of four different fish species. These cells surrounded deep branches of the NH in the PI...
Presence of beta-follicle-stimulating hormone and beta-luteinizing hormone transcripts in the brain of Cichlasoma dimerus (Perciformes: Cichlidae): effect of brain-derived gonadotropins on pituitary hormone releaseMatías Pandolfi
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Buenos Aires, Buenos Aires, Argentina
Neuroendocrinology 89:27-37. 2009..These findings support the concept of regulation of pituitary trophic hormones by brain-derived gonadotropins...
Identification of immunoreactive FSH and LH cells in the cichlid fish Cichlasoma dimerus during the ontogeny and sexual differentiationMatías Pandolfi
Laboratorio de Embriología Animal, Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellon 2, Buenos Aires C1428EHA, Argentina
Anat Embryol (Berl) 211:355-65. 2006..FSH neurons differentiated on day 21 ah, while LH neurons appeared on day 15 ah. In the ovary, the immunoreactivity for both FSH and LH was restricted to the cytoplasm of previtellogenic and early vitellogenic oocytes...
Melanin-concentrating hormone system in the brain and skin of the cichlid fish Cichlasoma dimerus: anatomical localization, ontogeny and distribution in comparison to alpha-melanocyte-stimulating hormone-expressing cellsM Pandolfi
Laboratorio de Embriología Animal, Dpto de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Cell Tissue Res 311:61-9. 2003....
Ontogeny and distribution of gonadotropin-releasing hormone (GnRH) neuronal systems in the brain of the cichlid fish Cichlasoma dimerusMatías Pandolfi
Laboratorio de Embriología Animal, Dpto de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria C1428EHA, Buenos Aires, Argentina
Anat Embryol (Berl) 205:271-81. 2002..Furthermore, we show that the NOR and the midbrain GnRH neurones might have functions other than gonadal development, whereas the preoptic GnRH neurones in C. dimerus might be associated with gonadal sex differentiation...
Ontogeny of immunoreactive somatolactin, prolactin and growth hormone secretory cells in the developing pituitary gland of Cichlasoma dimerus (Teleostei, Perciformes)M Pandolfi
Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Anat Embryol (Berl) 203:461-8. 2001....
Probable gamma-aminobutyric acid involvement in bisphenol A effect at the hypothalamic level in adult male ratsNancy Cardoso
Laboratorio de Endocrinologia, Departamento de Fisiologia, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina, Paraguay 2155, Piso 7, Buenos Aires, Argentina
J Physiol Biochem 67:559-67. 2011..Moreover, our findings suggest a probable GABA involvement in its effect at the hypothalamic level...
Dominance hierarchies and social status ascent opportunity: anticipatory behavioral and physiological adjustments in a Neotropical cichlid fishFelipe Alonso
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Physiol Behav 106:612-8. 2012....
GnRH systems of Cichlasoma dimerus (Perciformes, Cichlidae) revisited: a localization study with antibodies and riboprobes to GnRH-associated peptidesMatías Pandolfi
Laboratorio de Embriología Animal, Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Argentina
Cell Tissue Res 321:219-32. 2005....
Involvement of somatolactin in background adaptation of the cichlid fish Cichlasoma dimerusMaximiliano Martín Cánepa
Laboratorio de Embriología Animal, Dpto de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
J Exp Zool A Comp Exp Biol 305:410-9. 2006..04), but no significant differences were observed in the cell area. In conclusion, this study presented clear evidence towards a possible involvement of SL in the adaptation to background colors in teleost together with alphaMSH and MCH...
Photoperiodic modulation of reproductive physiology and behaviour in the cichlid fish Cichlasoma dimerusAna Fiszbein
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Physiol Behav 99:425-32. 2010..Taken all together these results suggest that in C. dimerus the photoperiod is a relevant environmental cue related to reproductive behaviour and physiology...
Endocrine disruptive potential of endosulfan on the reproductive axis of Cichlasoma dimerus (Perciformes, Cichlidae)Rodrigo H Da Cuña
Laboratorio de Ecotoxicología Acuática, DBBE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autonoma de Buenos Aires, Argentina
Aquat Toxicol 126:299-305. 2013..dimerus, causing disruption at the pituitary and/or at the gonad level. These effects could acquire ecological significance under prolonged exposure to the pesticide in nature...
Aggressive behavior and reproductive physiology in females of the social cichlid fish Cichlasoma dimerusCecilia Tubert
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
Physiol Behav 106:193-200. 2012..These results provide information about the regulation and functioning of hypothalamus-pituitary-gonads axis during reproduction in a species with highly organized breeding activity...
Arginine-vasotocin expression and participation in reproduction and social behavior in males of the cichlid fish Cichlasoma dimerusMartín Roberto Ramallo
Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria C1428EHA, Buenos Aires, Argentina
Gen Comp Endocrinol 179:221-31. 2012..Thus, the AVT system in C. dimerus appears to be of high complexity, with multiple sites of action in the hypothalamus-pituitary-gonadal axis...
Effect of the organochlorine pesticide endosulfan on GnRH and gonadotrope cell populations in fish larvaeYanina G Piazza
Laboratory of Animal Embryology, Department of Biodiversity and Experimental Biology, Faculty of Exact and Natural Sciences, University of Buenos Aires, Buenos Aires, C1428EHA, Argentina
Arch Environ Contam Toxicol 61:300-10. 2011..These findings suggest that ES affects GnRH I and βFSH protein synthesis/release. However, these responses seem to be insufficient to affect gonadal differentiation at this stage of development...
Evidence to suggest glutamic acid involvement in Bisphenol A effect at the hypothalamic level in prepubertal male ratsNancy Cardoso
Laboratorio de Endocrinologia, Departamento de Fisiologia, Facultad de Medicina Universidad de Buenos Aires, Buenos Aires, Argentina
Neuro Endocrinol Lett 31:512-6. 2010..The aim of present paper was to study the probable role of glutamic acid (GLU) as a mediator of bisphenol A (BPA) effect at the hypothalamic level and its effects on the reproductive axis of prepubertal male rats...
