Browsing by Author "XX568936"

Now showing items 1-20 of 33

    • A collation of marker gene and dermatoglyphic diversity at various levels of population differentiation 
      Rothhammer Engel, Francisco; Chakraborty, Ranajit; Llop Romero, Elena (1977)
      The use of dermatoglyphic traits to describe interpopulational diversity among human populations at various levels of differentiation is compared with similar analysis of gene frequency data by means of nonparametric methods ...
    • A note on the presence of blood groups A and B in pre‐Columbian South America 
      Llop Romero, Elena; Rothhammer Engel, Francisco (1988)
      The results of ABO typing in Chilean mummies, a review of published South American paleoserological studies and a systematic discrepancy of admixture estimates based on ABO and Gm genes support the hypothesis that Andean ...
    • An Alternative Model for the Early Peopling of Southern South America Revealed by Analyses of Three ... 
      Saint Pierre, Michelle de; Bravi, Claudio; Motti, Josefina; Fuku, Noriyuki; Tanaka, Masashi; Llop Romero, Elena; Bonatto, Sandro L.; Moraga Vergara, Mauricio (2012)
      After several years of research, there is now a consensus that America was populated from Asia through Beringia, probably at the end of the Pleistocene. But many details such as the timing, route(s), and origin of the ...
    • Amerindian admixture estimation based on serological and molecular methods Estimadores de mezcla Amerindia ... 
      Pulgar Alarcón, Iván; Fuentes Guajardo, Macarena; Llop Romero, Elena; Rothhammer Engel, Francisco (Sociedad Medica de Santiago, 2015)
      © 2015, Sociedad Medica de Santiago. All rights reserved. Background: Amerindian admixture is an important parameter to consider in epidemiological studies in American countries, to make a proper selection of cases and ...
    • Brief communication: Molecular characterization of O alleles at the ABO locus in Chilean Aymara and Huilliche ... 
      Llop Romero, Elena; Henríquez B., Hugo; Moraga Vergara, Mauricio; Castro Domínguez, Mario; Rothhammer Engel, Francisco (WILEY-LISS, DIV JOHN WILEY, 2006-12)
      A molecular characterization of alleles O-1, O-1variant (O-1v), and the mutation G542A of the ABO blood group was performed in two Amerindian populations of Chile, the Aymara (n = 84) and the Huilliche (n = 75). In addition, ...
    • Caracterización molecular de alelos ABO*O del locus de grupo sanguíneo ABO en tres poblaciones chilenas 
      Llop Romero, Elena; Henríquez B., Hugo; Moraga Vergara, Mauricio; Castro Domínguez, Mario; Rothhammer Engel, Francisco (SOC MEDICA SANTIAGO, 2006-07)
      Background: Among the allelic variants of blood groups, the molecular characterization of ABO blood group has clinical and anthropological importance. Aim: To perform a characterization of the molecular variants of the ...
    • Chilean School-Age Children Twin Registry: Planning, Sampling and Implications 
      Ivanovic Marincovich, Daniza; Llop Romero, Elena; Alvear, Jorge A.; Pérez Muñoz, Hernán; Díaz, Nora S.; Leyton Dinamarca, Bárbara; Almagià, Atilio F.; Larraín, Cristián G.; Alvarez, Joel E.; Herrera, Yilda F.; Hazbun, Elizabeth L. (2006-12)
      We describe subject recruitment from the University of Chile School-Age Children Twin Registry (REMEUCHI). The research aim of REMEUCHI is to quantify the impact of genetic and environmental factors on scholastic achievement ...
    • Combinación de genotipos DRD4 y DAT1 constituye importante factor de riesgo en miembros de familias de ... 
      Henríquez B., Hugo; Henríquez H., Marcela; Carrasco Chaparro, Ximena; Rothhammer Achondo, Paula; Llop Romero, Elena; Aboitiz Domínguez, Francisco Javier; Rothhammer Engel, Francisco (SOC MEDICA SANTIAGO, 2008-06)
      Background: Attention deficit/hyperactivity disorder (ADHD) is a common, highly heritable neurobiological disorder of childhood onset, characterized by hyperactivity, impulsiveness, and/or inattentiveness. Aim: To search ...
    • Demographic history and selection at HLA loci in Native Americans 
      Single, Richard M.; Meyer, Diogo; Nunes, Kelly; Santos, Rodrigo; Hunemeier, Tábita; Maiers, Martin; Hurley, Carolyn K; Bedoya, Gabriel; Gallo, Carla; Hurtado, Ana Magdalena; Llop Romero, Elena; Petzl-Erler, Maria L.; Poletti, Giovanni; Rothhammer, Francisco; Tsuneto, Luiza; Klitz, William; Ruiz Linares, Andrés (Public Library Science, 2020)
      The American continent was the last to be occupied by modern humans, and native populations bear the marks of recent expansions, bottlenecks, natural selection, and population substructure. Here we investigate how this ...
    • Dermatoglyphic characters and physique: A correlation study 
      Rothhammer Engel, Francisco; Llop Romero, Elena; Neel, James V. (1982)
      The association of anthropometrics, particularly hand measurements, with dermatoglyphic characters is quantified. Children with square hands exhibit higher main line indices, a‐b ridge counts, and more open atd angles. ...
    • Development of a small panel of SNPs to infer ancestry in chileans that distinguishes Aymara and Mapuche components 
      Verdugo Salgado, Ricardo; Di Genova, Alex; Herrera Cisterna, Luisa; Moraga Vergara, Mauricio; Acuña Patzke, Mónica; Berríos del Solar, María Soledad; Llop Romero, Elena; Valenzuela, Carlos Y.; Bustamante Calderón, María Leonor; Digman, Dayhana; Symon Maturana, Adriana; Asenjo, Soledad; López Contreras, Pamela; Blanco, Alejandro E.; Suazo Sanhueza, José; Barozet, Emmanuelle; Caba, Fresia; Villalón Calderón, Marcelo; Alvarado Orellana, Sergio; Cáceres Lillo, Dante; Salgado, Katherine; Portales, Pilar; Moreno Estrada, Andrés; Gignoux, Christopher; Sandoval, Karla; Bustamante, Carlos; Eng, Celeste; Huntsman, Scott; Burchard, Esteban; Loira, Nicolás; Maass Sepúlveda, Alejandro; Cifuentes Ovalle, Lucía (Sociedad de Biología de Chile, 2020)
      Background Current South American populations trace their origins mainly to three continental ancestries, i.e. European, Amerindian and African. Individual variation in relative proportions of each of these ancestries may ...
    • Estimadores de mezcla amerindia basados en métodos serológicos y moleculares 
      Pulgar Alarcón, Iván; Fuentes Guajardo, Macarena; Llop Romero, Elena; Rothhammer Engel, Francisco (Soc Médica Santiago, 2015)
      Background: Amerindian admixture is an important parameter to consider in epidemiological studies in American countries, to make a proper selection of cases and controls. Aim: To compare Amerindian admixture estimates ...
    • Estudio biomédico de la heterogeneidad en la población chilena. El archipielago de chiloé, un modelo natural 
      Llop Romero, Elena; Moreno Salinas, Rodrigo; Harb Díaz, Zuraiya (Universidad de Chile, 1999)
    • Genetic composition of Chilean aboriginal populations: HLA and other genetic marker variation 
      Llop Romero, Elena (1996)
      Phenotypes and gene frequencies for eight genetic systems are presented for five Chilean Indian tribes. Results agree with the pattern expected for Andean Indians. Genetic distances and dendrograms were obtained separately ...
    • Genetic markers in four coastal Chilean locations Poblaciones costeras de Chile: Marcadores genéticos en ... 
      Harb, Zuraiya; Llop Romero, Elena; Moreno, Rodrigo; Quiroz, Daniel (1998)
      Background: Historical and anthropological data suggest the presence of descendents of Changos, Cuncos, Chonos and Yamanas, South American indian populations, in certain Chilean coastal villages. Aim: To assess the degree ...
    • Genetic susceptibility to Andes Hantavirus: Association between severity of disease and HLA alleles in ... 
      Ferrer C., Pablo; Vial C., Pablo A.; Ferrés, Marcela; Godoy M., Paula; Cuiza V., Analia; Marco C., Claudia; Castillo H., Constanza; Umaña C., María Elena; Rothhammer Engel, Francisco; Llop Romero, Elena (2007)
      Andes hantavirus (ANDV) infection in Chile has a variable clinical expression, and infected individuals may present with different grades of disease severity. This study aimed to determine if clinical expression of ANDV ...
    • Genomic insights into the origin and diversification of late maritime hunter-gatherers from the chilean Patagonia 
      Fuente, Constanza de la; Galimany, Jacqueline; Blanco, Alejandro E.; Contreras, Paloma; Llop Romero, Elena; Verdugo, Ricardo; Moraga, Mauricio (Natl Acad Sciences, 2018)
      Patagonia was the last region of the Americas reached by humans who entered the continent from Siberia similar to 15,000-20,000 y ago. Despite recent genomic approaches to reconstruct the continental evolutionary history, ...
    • Geographic patterns of genome admixture in Latin American mestizos 
      Wang, Sijia; Ray, Nicolas; Rojas, Winston; Parra, Maria V.; Bedoya, Gabriel; Gallo, Carla; Poletti, Giovanni; Mazzotti, Guido; Hill, Kim; Hurtado, Ana M.; Camrena, Beatriz; Nicolini, Humberto; Klitz, William; Barrantes, Ramiro; Molina, Julio A.; Freimer, Nelson B.; Cátira Bortolini, María; Salzano, Francisco M.; Petzl-Erler, Maria L.; Tsuneto, Luiza T.; Dipierri, José E.; Alfaro, Emma L.; Bailliet, Graciela; Bianchi, Néstor O.; Llop Romero, Elena; Rothhammer Engel, Francisco; Excoffier, Laurent; Ruiz Linares, Andrés (PUBLIC LIBRARY SCIENCE, 2008-03)
      The large and diverse population of Latin America is potentially a powerful resource for elucidating the genetic basis of complex traits through admixture mapping. However, no genome-wide characterization of admixture ...
    • Highly Differentiated, Resting Gn-Specific Memory CD8+ T Cells Persist Years after Infection by Andes Hantavirus 
      Manigold, Tobias; Mori, Andrés; Graumann, Rebecca; Llop Romero, Elena; Simon, Valeska; Ferrés, Marcela; Valdivieso, Francisca; Castillo, Constanza; Hjelle, Brian; Vial, Pablo (2010)
      In man, infection with South American Andes virus (ANDV) causes hantavirus cardiopulmonary syndrome (HCPS). HCPS due to ANDV is endemic in Southern Chile and much of Argentina and increasing numbers of cases are reported ...
    • HLA antigens in Chagas cardiomyopathy: new evidence based on a case-control study 
      Llop Romero, Elena; Rothhammer Engel, Francisco; Acuña, M.; Apt Baruch, Werner; Arribada, Arturo (1991)
      We studied the distribution of HLA, B and C antigens in 73 Chagasic subjects with and without heart disease. Both groups were matched for age, sex, birth place and history of family residence. Thirty two subjects without ...