Who's Who

Yelda Leal Herrera

Visiting Scientist

Section of Cancer Information


Infectious diseases, molecular epidemiology, cancer registry

Academic Degrees

2004BScMolecular BiologyUniversity of VeracruzVeracruzMexico
1997MScMolecular BiologyNational Autonomous University of Mexico (UNAM)Mexico cityMexico
1994PhDBiologyNational Autonomous University of Mexico (UNAM)Mexico cityMexico

Current Research Projects

  • The development of the Cancer Registry of Merida Mexico
    Y Leal (Coordinator), Collaborators: Fernandez-Garrote LM, Acevedo-Garcia F, Medina-Escobedo G, Castillo-Aguilar R, Forman D

  • Circulating estrogen, trefoil factors, ghrelin and gastric preneoplastic lesions among menopausal and postmenopausal women
    Y Leal (Coordinator), Collaborators: Camargo MC, Acevedo-Garcia F, Medina-Escobedo G, Torres J, Rabkin C.

  • Molecular Biomarkers in the progression of atrophic gastritis to gastric cancer
    Y Leal (Coordinator), Collaborators: Acevedo-Garcia F, Medina-Escobedo G, Bastidas M, Camargo MC

Selected Publications

Martínez-López J, Torres J, Camorlinga-Ponce M, Mantilla A, Leal YA, Fuentes-Pananá E. (2014) Evidence of Epstein-Barr Virus Association with Gastric Cancer and Non-Atrophic Gastritis. Viruses. 6(1): 301

Morales-Sanchez A, Molina-Muñoz T, Martinez-Lopez JL, Hernandez-Sancen P, Mantilla A, Leal YA, Torres J, Fuentes-Panana E. (2013) No association between Epstein-Barr Virus ans Mouse Mammary Tumor Virus with Breast Cancer in Mexican Women. Scientific Reports. 3:2970.

Leal YA, Álvarez-Nemegyei J, Velázquez JR, Rosado-Quiab U, Diego-Rodríguez N, Paz-Baeza E, Dávila-Velázquez J. (2012) Risk Factors and Prognosis for Neonatal Sepsis in Southeastern Mexico: Analysis of a Four-year Historic Cohort Follow-up. BMC Pregnancy and Childbirth J. 12:48.

Leal YA, Flores LL, Fuentes-Panana E, Cedillo-Rivera R, Torres J. (2011) 13C-Urea Breath Test for the Diagnosis of Helicobacter pylori infection in children: A Meta-Analysis. Journal of Helicobacter. 16(4):327.

Leal YA, Cedillo-Rivera R, Simon JA, Velázquez JR, Flores LL, Torres J. (2011) A Meta-Analysis on the Utility of Stool Sample-Based Tests for the Diagnosis of Helicobacter pylori infection in children. J Pediatr Gastroenterol & Nutr. 52(6):718.