Results: 405

No association between vitamin D status and COVID-19 infection in São Paulo, Brazil

ABSTRACT In recent years the immunomodulatory actions of vitamin D, a steroid hormone, have been extensively studied. In 2020, due to the COVID-19 pandemic, the question arose as to 25(OH)D status would be related to susceptibility to SARS-CoV-2 infection, since several studies pointed out a higher preva...

Prevalencia de la deficiencia de vitamina D en niños de Costa Rica

Acta méd. costarric; 63 (2), 2021
Abstract Objective: To determine the prevalence of vitamin D deficiency in children in the South- Central Region of Costa Rica. Methods: A cross-sectional study was performed with Costa Rican children aged 1-7 years from the South-Central Region of the country belonging to the Nutrition and Education Cen...

Decreased circulatory levels of Vitamin D in Vitiligo (ViViD Study): a meta-analysis

An. bras. dermatol; 96 (3), 2021
Abstract Background: The serum Vitamin D status in patients with vitiligo is ambiguous when compared to controls. A systematic review and updated meta-analysis were conducted to evaluate the association between Vitamin D and vitiligo. Methods: Relevant studies were identified by searching PubMed and ot...

Vitamina D y dolor: una reflexión crítica de la literatura

Perspect. nutr. hum; 23 (1), 2021
Resumen Antecedentes: a nivel mundial, más de la mitad de la población reporta niveles séricos de 25(OH)D deficitarios. La vitamina D se ha asociado con múltiples funciones biológicas, como la regulación sérica del fósforo y del calcio, además de poseer posibles efectos sobre el dolor. En esta ...

Efectos de la suplementación con vitamina D en el control del asma en pacientes adultos: una revisión sistemática

INTRODUCCIÓN: El asma es una enfermedad crónica inflamatoria de la vía aérea e inmunomediada en su patogénesis. La vitamina D es un inmunomodulador que regula el perfil secretor de citoquinas, entre otras funciones celulares. Una asociación entre la suficiencia de vitamina D y mejoría en la funci...

Association between vitamin D levels and lower-extremity deep vein thrombosis: a case-control study

Säo Paulo med. j; 139 (3), 2021
ABSTRACT BACKGROUND: Vitamin D has relationships with pathogenesis and inflammation pathways in many diseases. Its deficiency may make clinicians think not only of supplementation but also of presence of other diseases. OBJECTIVE: To investigate the relationship between vitamin D levels and deep vein t...

Expression of Vitamin D Receptor and Vitamin D Receptor Gene Polymorphisms (BsmI, FokI, and TaqI) in Patients with Pterygium

Arq. bras. oftalmol; 84 (3), 2021
ABSTRACT Purpose: This study aimed to determine the role of vitamin D receptor in the pathogenesis of pterygium. The vitamin D receptor eexpression levels in pterygium tissue, blood vitamin D levels, and frequency of selected vitamin D receptor gene polymorphisms (BsmI, FokI, and TaqI) were compared bet...

Vitamina D

O termo vitamina D engloba um grupo de moléculas secosteroides derivadas do 7- deidrocolesterol (7-DHC ou provitamina D) interligadas através de uma cascata de reações fotolíticas e enzimáticas que acontecem em células de diferentes tecidos. (CASTRO, 2011). Nos seres humanos, apenas 10% a 20% da v...

Serum Levels of Vitamin D in Children with or without Isolated Distal Radius Fractures: A Prospective Clinical Study

Abstract Objective To compare the serum levels of vitamin D and minerals in children with or without isolated distal radius fractures. Methods The present prospective clinical study included 50 children (aged between 5 and 15 years) with isolated distal radius fractures who were admitted to our emergen...

Vitamina D y Diabetes Mellitus. Parte 1

Actual. nutr; 22 (2), 2021
Introducción: la diabetes mellitus (DM) se ha convertido en un importante problema global de salud pública. Por su parte, el déficit de vitamina D (VD) tiene características de pandemia y sus consecuencias van más allá de su conocido efecto sobre el metabolismo óseo. El descubrimiento de receptore...