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Alejandro Antonio Tapia Pizarro

Profesor Asistente

Universidad de Chile

Santiago, Chile

Receptividad endometrial, implantación embrionaria, transporte oviductal de gametos y embriones, gonadotrofina corionica

Ciencias Biomédicas, UNIVERSIDAD DE CHILE. Chile, 2005
Biólogo con Especialidad en Bioprocesos, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2000
Embriología Clínica, Red Latinoamericana de Reproducción Asistida. Chile, 2022

Profesor Asistente Full Time

UNIVERSIDAD DE CHILE

Medicina

Santiago, Chile

2008 - At present

Postdoctoral Fellow Full Time

Universidad de Chile

Santiago, Chile

2008 - 2011
Research Officer Full Time

Prince Henry's Institute / Hudson Institute

Melbourne, Australia

2005 - 2007
Research Visitor Full Time

National Cancer Institute

Frederick, Maryland, Estados Unidos

2002 - 2003

Dirección de tesis de pregrado: 4
Dirección de tesis de Post grado: 1


Progesterone supplementation after postovulatory mifepristone reduce changes in human endometrial gene expression Tapia-Pizarro A.; Santander N.; Salinas, A.; Torres A.; Vega D.; Del Rio M.; Vigil P. Article ISI Reproduction (2025)
Steroid sulfatase and the transporter of sulfated steroids are upregulated in granulose cells from women of POSEIDON group 4 in controlled ovarian hyperstimulation for in vitro fertilization cycles Sequeira K.; Henriquez, S; Kohen P.; Fuentes, A; Tapia-Pizarro A.; Céspedes, P; Godoy A.; Devoto L. Article ISI Steroids (2025)
Demographic, clinical, and biological effects of delayed maternity Fuentes, A; Sequeira K.; Tapia-Pizarro A. Article SCOPUS Revista Medica Clinica Las Condes (2021)
Human endometrial stromal cells inhibit the pro-angiogenic stimulus of hCG in vitro Riboldi, Marcia; Nazir, Ivonne; Serafini, Paulo C.; Alves Motta, Eduardo Leme; Mena-Silva, Denisse; Cecilia Johnson M.; Fuentes, Ariel; Sequeira, Karina; Tapia-Pizarro, Alejandro Article ISI SCOPUS Reproduction (2020)
Androgens Profile in Blood Serum and Follicular Fluid of Women With Poor Ovarian Response During Controlled Ovarian Stimulation Reveals Differences Amongst POSEIDON Stratification Groups: A Pilot Study Sequeira K. Article ISI SCOPUS FRONTIERS IN ENDOCRINOLOGY (2019)
Delayed child bearing in a Chilean public hospital Ariel Fuentes; Karina Sequeira; Alejandro Tapia Article ISI SCIELO SCOPUS REVISTA MEDICA DE CHILE (2019)
hCG activates the Erk1/2 mitogen-activated protein kinase pathway in human endometrial stromal cells, transiently increasing the progesterone receptor and regulating genes associated with endometrial receptivity Zavaleta, K Article doi: 10.1093/molehr/gax015 MOLECULAR HUMAN REPRODUCTION (2017)
Effect of single post-ovulatory administration of mifepristone (RU486) on transcript profile during the receptive period in human endometrium CUEVAS C.A.; Velasquez L.; Croxatto H.B. Article ISI SCOPUS REPRODUCTION (2016)
Endometrial gene expression reveals compromised progesterone signaling in women refractory to embryo implantation Article doi: 10.1186/1477-7827-12-92 REPRODUCTIVE BIOLOGY AND ENDOCRINOLOGY (2014)
Human chorionic gonadotropin (hCG) modulation of TIMP1 secretion by human endometrial stromal cells facilitates extravillous trophoblast invasion in vitro Tapia-Pizarro A.; Argandoña, F; Devoto L. Article ISI SCOPUS Human Reproduction (2013)
Effect of single post-ovulatory administration of levonorgestrel on gene expression profile during the receptive period of the human endometrium Henríquez, SP; Quezada M.; Noe G; Velásquez L.A.; Croxatto H.B. Article ISI SCOPUS Journal of Molecular Endocrinology (2012)
Bioinformatic detection of E47, E2F1 and SREBP1 transcription factors as potential regulators of genes associated to acquisition of endometrial receptivity Tapia, A.; Devoto L.; Vilos, C.; Croxatto H.B.; Marin J.C. Article ISI SCOPUS Reproductive Biology and Endocrinology (2011)
Proprotein Convertase 5/6 Is Critical for Embryo Implantation in Women: Regulating Receptivity by Cleaving EBP50, Modulating Ezrin Binding, and Membrane-Cytoskeletal Interactions Heng, S; Cervero, A,; Simon C.; Stephens A.N.; Li, Y; Zhang, J.; Paule S.; Rainczuk A.; Singh H.; Quinonero A.; et al. Article ISI SCOPUS Endocrinology (2011)
Differences in the endometrial transcript profile during the receptive period between women who were refractory to implantation and those who achieved pregnancy Tapia, A.; Gangi, LM; Zegers-Hochschild F.; Balmaceda J.; Pommer R.; Trejo, L; Pacheco, IM; Salvatierra AM; Henriquez, S; Quezada M.; et al. Article ISI SCOPUS HUMAN REPRODUCTION (2008)
Deficient expression of monoamine oxidase A in the endometrium is associated with implantation failure in women participating as recipients in oocyte donation Henriquez, S; Tapia, A.; Quezada M.; Vargas M.; Cardenas H.; Ríos, M; Salvatierra AM; Croxatto H.; Orihuela P.; Zegers-Hochschild F.; et al. Article ISI SCOPUS MOLECULAR HUMAN REPRODUCTION (2006)
Proenkephalin A and the ?-aminobutyric acid A receptor ? subunit: expression, localization, and dynamic changes in human secretory endometrium Quezada M.; Henriquez, S; Vargas M.; Cardenas H.; Tapia, A.; Ríos, M; Velasquez L.; Orihuela P.A.; Croxatto H.B. Article FERTILITY AND STERILITY (2006)
Proenkephalin A and the gamma-aminobutyric acid A receptor pi subunit: expression, localization, and dynamic changes in human secretory endometrium Quezada M.; Henriquez, S; Vargas M.; Cardenas H.; Tapia, A.; Ríos, M; Salvatierra AM; Velasquez L. Article ISI SCOPUS FERTILITY AND STERILITY (2006)
Chlamydia trachomatis infection in male partners of infertile couples: incidence and sperm function Vigil P.; Morales P; Tapia, A.; Riquelme R.; Salgado, AN Article ISI SCOPUS ANDROLOGIA (2002)
First-trimester pregnancy loss and active Chlamydia trachomatis infection: correlation and ultrastructural evidence Vigil P.; Tapia, A.; Zacharias, S; Riquelme R.; Salgado, AM; Varleta, J Article ISI SCOPUS ANDROLOGIA (2002)


Expression of complement component inhibitors is increased in the endometrium during the receptive period and decreased in infertile women with implantation failure Vargas, MF; Rubilar, P; Tapia, A.; Henriquez, S; Quezada M.; Gangi, L; Munroe D.; Salvatierra AM; Croxatto H.; Velasquez L. Abstract PLACENTA (2006)
Searching genes involved in human endometrial infertility Tapia, A.; Gangi, L; Zegers-Hochschild F.; Balmaceda J.; Pommer, P; Trejo, L; Pacheco I.; Salvatierra A.; Henriquez, S; Quezada M.; et al. Abstract PLACENTA (2006)