Marta Sánchez-López

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OBJECTIVES Expression of major histocompatibility complex (MHC) class II genes is almost exclusively regulated by the class II transactivator. A promoter polymorphism (-168A/G, rs3087456) in the MHC2TA gene was associated with increased susceptibility to rheumatoid arthritis, multiple sclerosis and myocardial infarction in a northern European population.(More)
OBJECTIVE To assess the perceptions of rural and urban Costa Rican adolescents regarding which barriers and motivators affect their adoption of an active lifestyle. DESIGN Data were collected in focus group discussions. PARTICIPANTS 108 male and female adolescents aged 12 to 18 from the 7th to 11th grades. SETTING Two urban and 1 rural high school in(More)
Parasites of the genus Leishmania produce leishmaniasis which affects millions people around the world. Understanding the molecular characteristics of the parasite can increase the knowledge about the mechanisms underlying disease development and progression. Thus, the study of the molecular features of histones has been considered of particular interest(More)
This study designed and validated a questionnaire aimed at examining parental feeding styles to encourage healthy eating habits among Costa Rican adolescents. Adolescents (n=133; mean age 15.4 years), and their parents, participated in the study. The parents completed a parental feeding style questionnaire, and the adolescents completed 3-day food records.(More)
BACKGROUND In Latin America, more than 80% of adolescent girls are physically inactive. Inactivity may be reinforced by female stereotypes and objectification in the Latin American sociocultural context. METHODS We examined the influence of objectification on the adoption of an active lifestyle among 192 adolescents (14 and 17 years old) from urban and(More)
CASE REPORT Congenital disfiguring malformations are rare and usually have a multifactorial aetiology. Here we report on the ocular manifestations seen in a patient with Proteus syndrome. The retina showed retinal dysgenesia, retinal pigmentary abnormalities and optic nerve hypoplasia. Other abnormalities included strabismus and high myopia. DISCUSSION(More)
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