Browsing by Author "912d3917-cc5b-4373-8278-56d894ba2a6e"
Now showing items 1-14 of 14
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Parada-Bustamante, Alexis; Ríos, Rafael; Ebensperger, Mauricio; Lardone, María Cecilia; Piottante, Antonio; Castro, Andrea (Elsevier Inc., 2010)Objective: To describe genetic evaluation and response to surgery and letrozole therapy of a 46,XX/SRY-negative true hermaphrodite. Design: Case report. Setting: University Medical Center. Patient(s): Nineteen-year-old ...
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Castro, Andrea; Codner Dujovne, Ethel; Kaune, Heidy; López, Patricia; Vantman, David; Cassorla Goluboff, Fernando (Freund Publishing House Ltd, 2004)Microdeletions of the Y chromosome have been observed in some patients with cryptorchidism and severe defects of spermatogenesis. We investigated whether microdeletions of the Y chromosome may be present in patients with ...
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Parada Bustamante, Alexis; Lardone, María Cecilia; Madariaga, Marcia; Johnson, María Cecilia; Codner Dujovne, Ethel; Cassorla Goluboff, Fernando; Castro, Andrea (2012)Background: The etiology of hypospadias is multifactorial. Abnormal androgenic secretion and/or action during the development of external genitalia may be involved in the etiology of this congenital malformation. This study ...
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Castro-Nallar, Eduardo; Bacallao, Ketty; Parada-Bustamante, Alexis; Lardone, María C.; López, Patricia V.; Madariaga, Marcia; Valdevenito, Raúl; Piottante, Antonio; Ebensperger, Mauricio; Castro, Andrea (2010)There is ample documentation supporting the fact that androgens are required for normal spermatogenesis. A minority of infertile men have abnormal testosterone blood levels or mild androgen receptor mutations. We investigated ...
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Lardone, María Cecilia; Castro, Andrea; Ortiz, Eliana; Pereira Scalabrino, Ana; Corvalán Aguilar, Camila; Mericq, Verónica (Karger, 2017)
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Lardone, María C.; Parodi, Daniela A.; Ebensperger, Mauricio; Peñaloza, Paulina; Bahamondes Cornejo, Valeria Cristina; Valdevenito, Raúl; Pommer, Ricardo; Castro, Andrea (2007)Objective: To determine the prevalence of AZFc subdeletions in infertile Chilean men with severe spermatogenic impairment. Design: Prospective analysis. Setting: University infertility clinic. Patient(s): Ninety-five ...
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Lardone, María C.; Marengo, Altinay; Parada Bustamante, Alexis; Cifuentes, Lucía; Piottante, Antonio; Ebensperger, Mauricio; Valdevenito, Raúl; Castro, Andrea (2013)To determine the prevalence of South Amerindian Y chromosome in Chilean patients with spermatogenic failure and their association with classical and/or AZFc-partial Y chromosome deletions. We studied 400 men, 218 with ...
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Castro, Andrea; Castro, Olga; Troncoso, José Luis; Kohen Skop, Paulina; Simon, Carlos; Vega Blanco, María Margarita; Devoto, Luigi (Oxford University Press, 1998)Flow cytometry analysis of luteal cells revealed that an important proportion of these cells are leukocytes. The percentage of leukocytes was higher in the early (42 ± 4) and late (35 ± 3) luteal phases than in the mid-luteal ...
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Castro, Andrea; Bono Merino, María Rosa; Simon, Valeska; Rosemblatt Silber, Mario César (Elsevier GmbH, 1996)The development of an efficient immune response depends on the capacity of antigen-specific lymphocytes to migrate into secondary lymphoid organs. The first step in the process of lymphocyte extravasation involves lymphocyte ...
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López, Paulina; Castro, Andrea; Florez, M.; Miranda, Karen; Aranda, Pilar; Sánchez-González, Cristina; Llopis, Juan; Arredondo Olguin, Miguel Armando (Frontiers Media S.A., 2018-05-29)Obesity is characterized by mild chronic inflammation that is linked with impaired iron homeostasis. Studies in human and murine show that there is a transgenerational epigenetic inheritance via the gametes in obesity; ...
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Lardone, María Cecilia; Ortega, Victoria; Ortiz, Eliana; Flórez, M.; Piottante, Antonio; Ebensperger, Mauricio; Flores, Sandra; Pezo, Patricio; Orellana, Michael; Moraga, Mauricio; Castro, Andrea (Springer, 2020)Purpose To investigate the association of partial-AZFc deletions in Chilean men with primary spermatogenic failure and their testicular histopathological phenotypes, analyzing the contribution ofDAZdosage,CDY1copies, and ...
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Presence of angiotensin II and expression of angiotensin II type-2 receptor in human fallopian tube Johnson, M. Cecilia; Castro, Andrea; Troncoso, José Luis; Vantman, David; Devoto, Luigi; Vega Blanco, María Margarita (1998)Objective: To determine the presence of angiotensin II and angiotensin II type-2 receptor subtype messenger RNA (mRNA) in human fallopian tube. Design: Frozen fallopian tubes were used for all studies. Setting: Procedures ...
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Castro, Andrea; Johnson, María Cecilia; Anido, Mabel; Cortinez, Armando; Gabler Neale, Fernando; Vega Blanco, María Margarita (2002)Objective: To investigate the role of nitric oxide (NO) and death regulatory genes, bcl-2 and bax, in human endometria apoptosis.Design: Expression of bcl-2, bax, NO synthases (NOS), and the apoptotic effect of L-arginine ...
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Lardone, María Cecilia; Castro, Andrea; Pereira, Ana; Corvalán Aguilar, Camila; Ortíz, Eliana; Mericq, Verónica (Elsevier USA, 2019)Study Objective: The androgen receptor (AR) harbors a variable repeat number of glutamine residues codified by (CAG)n, which seems to inversely affect AR transcriptional activity. We assessed whether (CAG)n affects the ...