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1.
Front Glob Womens Health ; 4: 1147762, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38099272

RESUMO

Introduction: Globally, 600,000 mothers (15-49 years) die every year due to pregnancy and childbirth-related complications. Wide variations are seen in cultural practices and beliefs surrounding this period of a woman's life. The present study explores the cultural beliefs and practices of women and families during pregnancy and the postnatal period in order to understand what behavioral management strategies are required to improve maternal and infant outcomes during pregnancy and the postpartum period. Methods: The study was conducted in a rural area of Punjab, from December 2019 to March 2021. A total of 20 women (up to 3 months postpartum, age >18 years, were interviewed. Results: In general, women described eating varied and fairly healthy diets during pregnancy, especially nutritious warm food, following traditional practices. Other cultural practices included restrictions on movement and mobile phone use and the use of unsafe home remedies to promote infant safety and wellbeing, such as using gripe water, applying black pencil to the baby's eyes, and feeding the baby honey. A few were not inclined to engage with these and other cultural expectations, preferring instead to follow contemporary practices influenced by social media. These practices included being accompanied by a family member during delivery, celebrating the baby's birth regardless of sex, and early bathing post-delivery. Discussion: It can be concluded that while many traditional practices are still followed in India, there are new beliefs and behaviors arising from an intersection between culture and technology. Developing strategies that acknowledge older beliefs and modern approaches is essential to promoting better antenatal and postpartum care.

2.
Front Nutr ; 9: 847136, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35578613

RESUMO

Background: One of the unique features of placentation is its similarity to tumorigenesis yet being very well regulated. It allows rapid proliferation, migration, and invasion of mononuclear trophoblast cells into the maternal uterus and remodeling the maternal vasculature. This pseudomalignant nature of trophoblastic cells is strictly regulated and its importance becomes evident in abnormal pregnancies that are characterized by aberrant trophoblast proliferation/invasion like preeclampsia. In addition to this, the importance of folic acid supplementation during pregnancy is well documented. We aimed to analyze the molecular and epigenetic regulation of the pseudomalignant nature of placentation via folic acid levels. Methods: Placental tissue samples were collected from different pregnancies in three different gestational stages. We estimated the impact of folic acid levels on global methylation, LINE1 methylation, and expression of DNMTs in all three gestational stages in pregnant women and preeclampsia pregnancies. We also analyzed the effect of folic acid supplementation on trophoblastic invasion using placental derived cells viz, JEG-3 and HTR-8/SVneo cell line and verified the molecular and epigenetic mechanisms involved in this regulation. Results: Development of preeclampsia was observed to be associated with lower folate levels in placental tissue, higher global methylation level, and higher expression of DNMT1and DNMT3A. Folic acid supplementation was found to increase the invasive potential of placental trophoblasts by almost two folds which were associated with the decreased expression of tumor suppressor genes and tissue inhibitors of matrix metalloproteinases; and increased expression of oncogenes, telomerase gene, and matrix metalloproteinases. These folic acid-mediated changes were observed to be regulated by CpG methylation in the case of many genes. Folic acid supplementation was also observed to significantly decrease global methylation in placental trophoblasts related to decreasing expression of DNMT1 and DNMT3A. Conclusion: Lower folic acid levels are associated with preeclampsia development and folic acid supplementation regulates the invasive potential of placental trophoblasts as mediated by various epigenetic changes in the placenta suggesting the protective effect of folic acid against preeclampsia.

3.
Mol Reprod Dev ; 88(6): 437-458, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-34008284

RESUMO

Genomic imprinting is important for mammalian development and its dysregulation can cause various developmental defects and diseases. The study evaluated the effects of different dietary combinations of folic acid and B12 on epigenetic regulation of IGF2R and KCNQ1OT1 ncRNA in C57BL/6 mice model. Female mice were fed diets with nine combinations of folic acid and B12 for 4 weeks. They were mated and off-springs born (F1) were continued on the same diet for 6 weeks postweaning and were allowed to mate. The placenta and fetal (F2) tissues were collected at day 20 of gestation. Dietary deficiency of folate (BNFD and BOFD) and B12 (BDFN) with either state of other vitamin or combined deficiency of both vitamins (BDFD) in comparison to BNFN, were overall responsible for reduced expression of IGF2R in the placenta (F1) and the fetal liver (F2) whereas a combination of folate deficiency with different levels of B12 revealed sex-specific differences in kidney and brain. The alterations in the expression of IGF2R caused by folate-deficient conditions (BNFD and BOFD) and both deficient condition (BDFD) was found to be associated with an increase in suppressive histone modifications. Over-supplementation of either folate or B12 or both vitamins in comparison to BNFN, led to increase in expression of IGF2R and KCNQ1OT1 in the placenta and fetal tissues. The increase in the expression of IGF2R caused by folate over-supplementation (BNFO) was associated with decreased DNA methylation in fetal tissues. KCNQ1OT1 noncoding RNA (ncRNA), however, showed upregulation under deficient conditions of folate and B12 only in female fetal tissues which correlated well with hypomethylation observed under these conditions. An epigenetic reprograming of IGF2R and KCNQ1OT1 ncRNA in the offspring was evident upon different dietary combinations of folic acid and B12 in the mice.


Assuntos
Dieta , Epigênese Genética/efeitos dos fármacos , Feto/efeitos dos fármacos , Ácido Fólico/farmacologia , Regulação da Expressão Gênica no Desenvolvimento/efeitos dos fármacos , Placenta/efeitos dos fármacos , RNA Longo não Codificante/genética , Receptor IGF Tipo 2/genética , Vitamina B 12/farmacologia , Animais , Peso Corporal/efeitos dos fármacos , Encéfalo/embriologia , Encéfalo/metabolismo , Relação Dose-Resposta a Droga , Interações Medicamentosas , Feminino , Feto/metabolismo , Ácido Fólico/administração & dosagem , Ácido Fólico/sangue , Deficiência de Ácido Fólico/genética , Deficiência de Ácido Fólico/metabolismo , Impressão Genômica , Homocisteína/sangue , Rim/embriologia , Rim/metabolismo , Fígado/embriologia , Fígado/metabolismo , Masculino , Camundongos , Placenta/metabolismo , Gravidez , Complicações na Gravidez/genética , Complicações na Gravidez/metabolismo , RNA Longo não Codificante/metabolismo , RNA Mensageiro/biossíntese , RNA Mensageiro/genética , Receptor IGF Tipo 2/metabolismo , Vitamina B 12/administração & dosagem , Vitamina B 12/sangue , Deficiência de Vitamina B 12/genética , Deficiência de Vitamina B 12/metabolismo
4.
Sci Rep ; 7: 40774, 2017 01 18.
Artigo em Inglês | MEDLINE | ID: mdl-28098215

RESUMO

Invasive placentation and cancer development shares many similar molecular and epigenetic pathways. Paternally expressed, growth promoting genes (SNRPN, PEG10 and MEST) which are known to play crucial role in tumorogenesis, are not well studied during placentation. This study reports for the first time of the impact of gestational-age, pathological conditions and folic acid supplementation on dynamic nature of DNA and histone methylation present at their differentially methylated regions (DMRs). Here, we reported the association between low DNA methylation/H3K27me3 and higher expression of SNRPN, PEG10 and MEST in highly proliferating normal early gestational placenta. Molar and preeclamptic placental villi, exhibited aberrant changes in methylation levels at DMRs of these genes, leading to higher and lower expression of these genes, respectively, in reference to their respective control groups. Moreover, folate supplementation could induce gene specific changes in mRNA expression in placental cell lines. Further, MEST and SNRPN DMRs were observed to show the potential to act as novel fetal DNA markers in maternal plasma. Thus, variation in methylation levels at these DMRs regulate normal placentation and placental disorders. Additionally, the methylation at these DMRs might also be susceptible to folic acid supplementation and has the potential to be utilized in clinical diagnosis.


Assuntos
Metilação de DNA , Suplementos Nutricionais , Epigênese Genética , Ácido Fólico/metabolismo , Variação Genética , Placenta/metabolismo , Vilosidades Coriônicas/metabolismo , Feminino , Regulação da Expressão Gênica , Impressão Genômica , Histonas/metabolismo , Humanos , Metilação , Gravidez , Regiões Promotoras Genéticas , RNA Mensageiro/genética
5.
Transfus Apher Sci ; 55(1): 153-8, 2016 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-27324408

RESUMO

The frequency of red blood cell (RBC) alloimmunization in RhD positive pregnant women is not known in our population. We planned to determine its frequency and correlation with neonatal outcome. We included 1000 RhD positive pregnant women: 500 had 'normal pregnancy' (Group I) and another 500 had 'high risk pregnancy' (Group II). ABO and extended Rh phenotyping were done by tube technique, antibody screening and identification by gel technique. For alloimmunized women, the paternal and neonatal ABO and extended Rh typing were done. Neonatal direct antiglobulin test (DAT) was also done and their clinical outcome observed. The frequency of RBC alloimmunization was 0.7% (7/1000) and all these women were from group II (p = 0.015). The alloantibodies were anti-E (85.7%), anti-c (71.4%), anti-Cw (14.3%) and anti-S (14.3%). Also, 6 women had history of transfusion (p < 0.01). Of the 7 neonates born to alloimmunized mothers, 4 (57.14%) had a positive DAT. The mean duration of phototherapy was higher in the DAT positive neonates (p < 0.01) and 2 (50%) required exchange transfusion. Thus, the frequency of alloimmunization was 0.7% in RhD positive pregnant women. High risk pregnancies and antenatal patients having a history of blood transfusion should be considered for regular antibody screening.


Assuntos
Sistema ABO de Grupos Sanguíneos/sangue , Eritrócitos , Transfusão Feto-Materna/sangue , Transfusão Feto-Materna/epidemiologia , Isoanticorpos/sangue , Sistema do Grupo Sanguíneo Rh-Hr/sangue , Adulto , Feminino , Humanos , Recém-Nascido , Masculino , Gravidez
6.
Arch Gynecol Obstet ; 278(4): 341-7, 2008 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-18236058

RESUMO

BACKGROUND: Most women with abnormal vaginal discharge have infection due to candida species, bacterial vaginosis or trichomoniasis and often seek treatment without laboratory confirmation. In this context, a single agent effective against these infections would be useful. AIM: To compare the efficacy of two such agents: Praneem polyherbal pessary; a complementary and alternative medicine (CAM) with Ginlac-V pessary (containing clotrimazole, tinidazole and lactobacilli) for treatment of abnormal vaginal discharge. SETTINGS AND DESIGN: A randomized study in a tertiary care hospital in North India. METHODS: One hundred women were randomized for treatment with either of the two pessaries. Clinical examination and laboratory evaluation was done before and after treatment. STATISTICAL ANALYSIS: Mc-Nemar test and Chi-square test. RESULTS: Overall, 82% (82/100) reported symptomatic relief; 78% (39/50) with Praneem and 86% (43/50) with Ginlac-V. Only 36% (18/50 in each group) had laboratory-confirmed infection; 18% (18/100) candidosis, 17% (17/100) bacterial vaginosis, 1% (1/100) both; none had trichomoniasis. Among these, symptomatic improvement was seen in 72% (13/18) and laboratory cure in 78% (14/18) with Praneem; symptomatic improvement in 78% (14/18) and laboratory cure in 78% (14/18) with Ginlac-V. Clinical or laboratory criteria could assess treatment efficacy equally. Neither drug was efficacious in candidosis. Ginlac-V was efficacious in bacterial vaginosis (100%) and though Praneem showed a similar trend, it was not statistically significant. Vaginal irritation was more frequent with Praneem (16% vs 4% with Ginlac-V). CONCLUSION: Both Praneem and Ginlac-V provided symptomatic relief in most of the women. Either clinical or laboratory criteria could assess treatment efficacy of both drugs. Ginlac-V was efficacious for treating bacterial vaginosis.


Assuntos
Clotrimazol/uso terapêutico , Fitoterapia , Extratos Vegetais/administração & dosagem , Quinina/administração & dosagem , Tinidazol/uso terapêutico , Vaginite/tratamento farmacológico , Administração Intravaginal , Adulto , Clotrimazol/administração & dosagem , Combinação de Medicamentos , Feminino , Humanos , Dispositivos Intrauterinos , Lactobacillus , Pessoa de Meia-Idade , Satisfação do Paciente , Tinidazol/administração & dosagem , Resultado do Tratamento , Descarga Vaginal/tratamento farmacológico
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