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Amebic Liver Abscess in Rat: Morphological Evidence of Innate Immune Modulation by the Sympathetic Nervous System International Journal of Morphology
Muñoz-Ortega,Martín Humberto; Cervantes-García,Daniel; Quintanar-Stephano,Andrés; Campos-Esparza,María del Rosario; García-Lorenzana,Mario; Campos-Rodríguez,R; Rodríguez,M. G; Ventura-Juárez,Javier.
All organs of the immune system are innervated and almost all neurotransmitter receptors are present on immune cells. We studied the effects of sympathetic innervation in the development of amebic liver abscess (ALA) in rats. Our results showed that lack of sympathetic innervation promote a decrease in size of ALA. We found scarce amoebas, increased the number of neutrophils and a few collagen fibers surrounding the abscess, meanwhile in control group, we observed abscesses areas with typical necrosis including trophozoites and neutrophils. Macrophages were differentially distributed surrounding abscess area in control and vehicle groups, but equally located in and outside of the abscesses in sympathectomized rat. No significant differences were observed...
Tipo: Journal article Palavras-chave: Sympathectomy; Rat; E. histolytica; Amebic liver abscess.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100034
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Rat dorsal prostate is necessary for vaginal adhesion of the seminal plug and sperm motility in the uterine horns Biol. Res.
Tlachi-López,José L; López,Aurora; Hoffman,Kurt; Velázquez-Moctezuma,Javier; García-Lorenzana,Mario; Lucio,Rosa Angélica.
The rat prostate comprises dorsal, ventral and lateral lobes that are morphologically and biochemically distinct. Lesions to these structures are expected to affect the quality of the ejaculate and male fertility. In experiment 1, we analyzed ejaculate parameters of males that had chemical lesions of the dorsal or ventral lobes. At pre-lesion and at 5 and 20 days post-lesion males were mated, and after ejaculation, seminal fluid and seminal plug were obtained from the mated females. In experiment 2, the ventral lobes were ablated, and the ejaculate was analyzed. In experiment 3, the fertility of males with chemically-lesioned dorsal lobes or ablation of the ventral lobes was evaluated. Chemical lesion of the dorsal lobe prevented the adhesion of the...
Tipo: Journal article Palavras-chave: Ejaculation; Characteristics of semen; Copulatory plug; Prostate; Seminal analysis; Sperm number.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602011000300007
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