Publications by authors named "Roger Gejman"

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Extracellular matrix protein signaling promotes multi-step cancer vasculogenic mimicry formation.
Gabriel Mingo, Andrés Valdivia, Gema Nicolle Santander, Nicole Babbitt, Varina Aldana, Roger Gejman

Cell Commun Signal· October 2025

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Complete Response to Immunotherapy Plus Chemotherapy After an Unusual Clinical Response to Afatinib and Stereotactic Radiosurgery in a Patient With Metastatic EGFR-Mutant Non-Small-Cell Lung Cancer.
Gonzalo Pizarro, Mauricio P Pinto, Matías Muñoz-Medel, Miguel Cordova-Delgado, M Loreto Bravo, Roger Gejman

Clin Lung Cancer· July 2020

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Ectopic pituitary adenoma of the TSH-secreting sphenoidal sinus with excellent response to somatostatin analogs. Theory of the embryogenesis and literature review from a clinical case.
Eugenia Ortiz, Marcelo Peldoza, Eduardo Monnier, Roger Gejman, Miguel Henriquez

Steroids· February 2020

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[Prognostic value of granular pattern of growth hormone secreting tumors].
Felipe Valenzuela, Pablo Villanueva, David Rojas Z, Roger Gejman, Isidro Huete

Rev Med Chil· July 2019

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Prevalence of EGFR Mutations and Clinico-Pathological Characteristics of Chilean Lung Cancer Patients.
Roger Gejman, Sergio González, Matías Muñoz-Medel, Bruno Nervi, César Sánchez

Asian Pac J Cancer Prev· January 2019

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[Hypophysitis and retroperitoneal fibrosis associated with autoimmune polyglandular syndrome and IgG4-related disease. Report of one case].
Francisco J Guarda, Gonzalo P Méndez, Roberto Espinosa, Roger Gejman, Jorge Vega

Rev Med Chil· December 2018

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[Granulosa cell ovarian tumor: precocious puberty in infant less than 1 year of age. Case report].
Patricia Lacourt, Julio Soto, Hana Rumié, Roger Gejman, Juan Carlos Pattillo

Rev Chil Pediatr· December 2017

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Muscle magnetic resonance imaging and histopathology in ACTA1-related congenital nemaline myopathy.
Claudia Castiglioni, Denis Cassandrini, Fabiana Fattori, Emanuele Bellacchio, Adele D'Amico, Roger Gejman

Muscle Nerve· December 2014

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[Mitochondrial DNA heteroplasmy of the m.3243A>G mutation in maternally inherited diabetes and deafness].
Luis Rodrigo Cataldo, Pablo Olmos, Susan Valerie Smalley, Alberto Díez, Alejandra Parada, Roger Gejman

Rev Med Chil· March 2013

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[Virilization caused by an ovarian tumor. Report of one case].
Patricio Salman M, Mauricio Cuello F, Marianne Kolbach, Roger Gejman, Eugenio Arteaga U

Rev Med Chil· August 2011

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Abnormal distribution of inositol 1,4,5-trisphosphate receptors in human muscle can be related to altered calcium signals and gene expression in Duchenne dystrophy-derived cells.
César Cárdenas, Nevenka Juretić, Jorge A Bevilacqua, Isaac E García, Reinaldo Figueroa, Roger Gejman

FASEB J· September 2010

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Maternally expressed gene 3, an imprinted noncoding RNA gene, is associated with meningioma pathogenesis and progression.
Xun Zhang, Roger Gejman, Ali Mahta, Ying Zhong, Kimberley A Rice

Cancer Res· March 2010

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Dysferlinopathy in Chile: evidence of two novel mutations in the first reported cases.
Jorge A Bevilacqua, Martin Krahn, Luis Pedraza, Roger Gejman, Sergio Gonzalez

Genet Test Mol Biomarkers· February 2009

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Selective loss of MEG3 expression and intergenic differentially methylated region hypermethylation in the MEG3/DLK1 locus in human clinically nonfunctioning pituitary adenomas.
Roger Gejman, Dalia L Batista, Ying Zhong, Yunli Zhou, Xun Zhang

J Clin Endocrinol Metab· October 2008

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Role of Ki-67 proliferation index and p53 expression in predicting progression of pituitary adenomas.
Roger Gejman, Brooke Swearingen, E Tessa Hedley-Whyte

Hum Pathol· May 2008

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Activation of p53 by MEG3 non-coding RNA.
Yunli Zhou, Ying Zhong, Yingying Wang, Xun Zhang, Dalia L Batista, Roger Gejman

J Biol Chem· August 2007

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The effects of SOM230 on cell proliferation and adrenocorticotropin secretion in human corticotroph pituitary adenomas.
Dalia L Batista, Xun Zhang, Roger Gejman, Peter J Ansell, Yunli Zhou

J Clin Endocrinol Metab· November 2006

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[Survival of patients with brain metastases].
Eduardo Lovo, Gonzalo Torrealba, Pablo Villanueva, Roger Gejman, Patricio Tagle

Rev Med Chil· February 2005

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