Volga German surnames and Alzheimer's disease in Argentina: an epidemiological perspective.

The N141I variant (PSEN1 gene) is associated with familial forms of early-onset Alzheimer's disease (AD) in descendants of Volga Germans, whose migration to Argentina is well documented. As a proxy for geographic origin, surnames can be a valuable tool in population studies. The 2015 Argentine Electoral Registry provided geographic data for 30,530,194 individuals, including 326,922 with Volga German surnames.

Nutritional status of schoolchildren before and after confinement by COVID-19 (2019-2021) in Jujuy, Argentina.

An increase in the prevalence of obesity due to lockdown and confinement linked to COVID-19 is observed. Variations in the nutritional status of schoolchildren from Jujuy are analyzed in relation to confinement due to COVID-19 (2019-2021) and its relationship with socio-demographic variables and the school environment. This is an observational, descriptive study.

Apolipoprotein E Polymorphisms in Andean Population of Jujuy, Argentina.

The pleiotropic nature of the apolipoprotein E () gene is associated with complex diseases in different populations. We analyzed polymorphisms in 76 individuals from Jujuy - Argentina using NGS technology. The observed genotypes align with the expected Hardy-Weinberg equilibrium.

Birth weight in the Northwest region of Argentina. Comparison with a national reference and an international standard.

Introduction. Size at birth is subject to genetic and environmental influences; altitude is highly influential. Birth weight (BW) is the most widely used indicator to assess size at birth; different standards and references are available.