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Mitochondrial polymorphisms are associated both with increased and decreased longevity 

Castri, Loredana; Meléndez Obando, Mauricio O.; Villegas Palma, Ramón; Barrantes Mesén, Ramiro; Raventós Vorst, Henriette; Pereira Reyes, Reinaldo; Luiselli, Donata; Pettener, Davide; Madrigal, Lorena (Hum Hered 2009;67:147–153, 2008-12-15)
Previous work compared frequency of longevity-associated polymorphisms (LAPS) in long-lived individuals and in controls from the general population (primarily in Europe and Japan), suggesting the polymorphisms are responsible ...
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In vivo and in vitro genetic evidence of involvement of neuregulin 1 in immune system dysregulation 

Marballi, Ketan; Quiñones, Marlon; Jiménez, Fabio; Escamilla, Michael; Raventós Vorst, Henriette; Soto Bernardini, María Clara; Ahuja, Seema S.; Walss Bass, Consuelo (J Mol Med (Berl). 2010 November ; 88(11): 1133–1141, 2010-11)
Neuregulin 1 (NRG1) has been implicated in several disorders including breast cancer, multiple sclerosis, and schizophrenia. Also, recent evidence suggests that NRG1 may play a role in regulation of inflammation and immune ...
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A schizophrenia gene locus on chromosome 17q21 in a new set of families of mexican and central american ancestry: evidence from the NIMH genetics of schizophrenia in latino populations study 

Escamilla, Michael; Hare, Elizabeth; Dassori, Albana; Peralta, Juan Manuel; Ontiveros, Humberto; Nicolini Sánchez, José Humberto; Medina, Rolando; Mendoza Rodríguez, Ricardo; Muñoz, Rodrigo; Almasy, Laura; Raventós Vorst, Henriette; Jerez, Álvaro (Am J Psychiatry 2009;166:442-449, 2009-02-02)
The present study investigated a new set of families of Latin American ancestry in order to detect the location of genes predisposing to schizophrenia and related psychotic disorders. Method: A genome-wide scan was performed ...
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Suggestive evidence for association between L-type voltage-gated calcium channel (CACNA1C) gene haplotypes and bipolar disorder in latinos: a family-based association study 

Xu, Chun; Zavala, Juan Manuel; Armas, Regina; Contreras, Salvador; Dassori, Albana; Ontiveros Sánchez de la Barquera, Jose Alfonso; Nicolini Sánchez, José Humberto; Escamilla, Michael; Ramírez, Mercedes; Flores, Deborah; Jerez, Álvaro; Raventós Vorst, Henriette; González, Suzanne; Leach, Robin J. (Bipolar Disorders 2013: 15: 206–214, 2013-02-25)
Objectives: Through recent genome-wide association studies (GWASs), several groups have reported significant association between variants in the calcium channel, voltage-dependent, L-type, alpha 1C subunit (CACNA1C) and ...
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Genetic structure of personality factors and bipolar disorder in families segregating bipolar disorder 

Hare, Elizabeth; Contreras Rojas, Javier; Flores, Deborah; Jerez, Álvaro; Nicolini Sánchez, José Humberto; Ontiveros Sánchez de la Barquera, Jose Alfonso; Almasy, Laura; Escamilla, Michael; Raventós Vorst, Henriette (Journal of Affective Disorders xxx (2011) xxx–xxx, 2011)
Bipolar disorder (BPD) has been associated with variations in personality dimensions, but the nature of this relationship has been unclear. Inthis study, theheritabilities of BPDandtheBig Five personality factors and the ...
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The gene for an inherited form of deafness maps to chromosome 5q31 

King, Mary-Claire; León Azofeifa, Pedro; Raventós Vorst, Henriette; Lynch, Eric; Morrow, Jan (1992-06-01)
Primary-i.e., nonsyndromal-postlingual deafness is inherited as an autosomal dominant phenotype in a large kindred in Costa Rica. Genetically susceptible individuals begin to lose hearing at low frequencies at about age ...
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Caracterización clínica de familias costarricenses con trastorno afectivo bipolar
Clinical characterization of costarican families with bipolar disorder 

Contreras Rojas, Javier; Raventós Vorst, Henriette; Contreras Rojas, Javier (2014-12)
Justificación y objetivos: la heterogeneidad clínica del trastorno afectivo bipolar tipo I constituye uno de los principales desafíos en el diagnóstico de dicha enfermedad. Se necesitan múltiples fuentes de información ...
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Heritability of Age of Onset of Psychosis in Schizophrenia 

Hare, Elizabeth; Glahn, David C.; Dassori, Albana; Raventós Vorst, Henriette; Nicolini Sánchez, José Humberto; Ontiveros Sánchez de la Barquera, Jose Alfonso; Medina, Rolando; Mendoza Rodríguez, Ricardo; Jerez, Álvaro; Muñoz, Rodrigo; Almasy, Laura; Escamilla, Michael (AMERICAN JOURNAL OF MEDICAL GENETICS PART B, 2009-04)
Schizophrenia is a genetically complex illness with heterogeneous clinical presentation, including variable age ofonset. In this study, the heritability, or proportion of variation in age of onset of psychotic symptoms due ...

Association of Apolipoprotein E-e4 and Dementia Declines with Age 

Valerio Aguilar, Daniel; Raventós Vorst, Henriette; Schmeidler, James; Beeri, Michal S.; Mora Villalobos, Lara; Bolaños Palmieri, Patricia; Carrión Baralt, José R.; Fornaguera Trías, Jaime; Silverman, Jeremy M. (2014-10)
To study the association of dementia with apolipoprotein E-e4 (APOE-e4) and its interaction with age in a nonagenarian Costa Rican group (N-sample) and a general elderly contrast group (GE-sample). In both case-control ...
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High mitochondrial mutation rates estimated from deep-rooting Costa Rican pedigrees 

Castri, Loredana; Barrantes Mesén, Ramiro; Pereira Reyes, Reinaldo; Luiselli, Donata; Pettener, Davide; Barbujani, Guido; Madrigal, Lorena; Meléndez Obando, Mauricio O.; Villegas Palma, Ramón; Raventós Vorst, Henriette (American Journal of Physical Anthropology 2012 July ; 148(3): 327–333., 2012-07)
Estimates of mutation rates for the noncoding hypervariable Region I (HVR-I) of mitochondrial DNA (mtDNA) vary widely, depending on whether they are inferred from phylogenies (assuming that molecular evolution is clock-like) ...
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