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1.
Psychiatry Res ; 293: 113362, 2020 11.
Article in English | MEDLINE | ID: mdl-32861095

ABSTRACT

The evaluation of thiamine and its derivative phosphate esters levels in pregnant women in rural communities can contribute not only for understanding the specific characteristics of this population regarding nutritional aspects, but also for clarifying the relations of psychiatric manifestations and a vitamin deficit. In the present work we assessed sociodemographic variables, psychiatric parameters and thiamine and its derivative in the whole blood of women in a rural, low-income community in Brazil. A case-control study was done. 94 women were divided in groups using the trimesters of pregnancy as a criterion: each trimester, 1st, 2nd and 3rd had 17, 37 and 38 women, respectively. A control group of non-pregnant women (n-39) was also included. Symptoms of anxiety and depression were assessed using the HAMA Scale and Beck Inventory, respectively. The thiamine and its phosphorylated derivatives concentrations were determined in whole blood samples using the HPLC method. The results suggest that physiological mechanisms linked to the metabolic pathways of thiamine may play a role in some neurobiological substrate involved in the regulation of emotional state. Thus, social vulnerability is identified as an important factor to be considered in the evaluation of the mental health of pregnant women living in rural communities.


Subject(s)
Mental Disorders/epidemiology , Pregnancy Complications/epidemiology , Pregnant Women , Thiamine Deficiency/epidemiology , Vulnerable Populations , Adolescent , Adult , Brazil/epidemiology , Case-Control Studies , Female , Humans , Mental Disorders/blood , Mental Disorders/psychology , Poverty/psychology , Poverty/trends , Pregnancy , Pregnancy Complications/blood , Pregnancy Complications/psychology , Pregnant Women/psychology , Rural Population/trends , Thiamine Deficiency/blood , Thiamine Deficiency/psychology , Vulnerable Populations/psychology , Young Adult
2.
Curr Drug Saf ; 13(1): 32-37, 2018.
Article in English | MEDLINE | ID: mdl-29065842

ABSTRACT

BACKGROUND: Vaccination is a widespread strategy to protect women and their children during fetal development. However, there is a lack of knowledge about potential effects of H1N1 vaccination on concentration of cytokines that are important to mother's central nervous system functions and fetal neurodevelopment. OBJECTIVE: The main purpose of the present study was to evaluate such interaction. The specific goals were to study the effects of vaccination against the H1N1 virus on plasma levels of the Brain Derived Neurotrophic Factor(BDNF), Tumor Necrosis Factor-α (TNF-α) and TNF-α Receptors 1 and 2 (sTNFR1; sTNFR2), in different periods of gestation. METHODS: Data were obtained during the period of 6 months in 2010, from a sample of 94 pregnant women who were using the health care service of Conceição do Mato Dentro, a rural area in the state of Minas Gerais, Brazil. Seventeen women were in the first trimester of pregnancy, forty were in the second trimester and 37 were in the third trimester. Each of these groups was divided into two subgroups as follows: immunized against the H1N1 virus (I) and non-immunized (NI). Plasma concentrations of BDNF, TNF-α, sTNFR1 and sTNFR2 were measured using the sandwich ELISA. RESULTS: There was no difference in cytokine or neurotrophic factor levels evaluated between groups I and NI in any trimesters. CONCLUSION: These results show that the recommendation of vaccination against the H1N1 virus for all pregnant women as a public health measure could be considered safe, regarding aspects related to the role played by neurotrophin and cytokine, such as those of CNS development and immunological functions.


Subject(s)
Brain-Derived Neurotrophic Factor/blood , Influenza A Virus, H1N1 Subtype/immunology , Influenza Vaccines/administration & dosage , Influenza Vaccines/blood , Tumor Necrosis Factor-alpha/blood , Vaccination/trends , Adolescent , Adult , Biomarkers/blood , Brazil/epidemiology , Female , Humans , Influenza, Human/epidemiology , Influenza, Human/prevention & control , Pregnancy , Young Adult
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