Publications by authors named "Panchanan Das"

Hepatitis B Virus (HBV) is posing as a serious public health threat mainly due to its asymptomatic nature of infection in pregnancy and vertical transmission. Viral sensing toll-like receptors () and Interleukins () are important molecules in providing an antiviral state. The study aimed to assess the role of TLR7-mediated immune modulation, which might have an impact in the intrauterine transmission of HBV leading to mother to child transmission of the virus.

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Background: Gestational hypertension (GH) is a severe complication that occurs after 20 weeks of pregnancy; however, its molecular mechanisms are not yet fully understood.

Objective: Through this case-control discovery phase study, we aimed to find disease-specific candidate placental microRNAs (miRNAs) and metabolite markers for differentiating GH by integrating next-generation sequencing and metabolomics multi-omics analysis of placenta. Using small RNA sequencing and metabolomics of placental tissues of healthy pregnant (HP, n = 24) and GH subjects (n = 20), the transcriptome and metabolome were characterized in both groups.

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Problem: Hepatitis B is one of the leading causes of mortality in India. Despite the mass vaccination programme, the burden of the infection is still increasing due to its vertical transmission. Asymptomatic nature of hepatitis B virus (HBV) infection owing to immune tolerance among pregnant women is a major issue in this regard.

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This study analyses labour market transitions from job to jobless or jobless to job by using Periodic Labour Force Survey (PLFS) of India in urban labour market by applying first-order Markov process in constructing transition matrices and panel logit regression model using personal level information from the PLFS in India for 2019-20. While education is assumed to be the most important factor influencing the process of transitions in the labour market, the circumstance variables like gender, caste and religion are expected to have significant effects on it in a country like India. The empirical results show a significant difference in labour market transitions between men and women.

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This study measures inequality of opportunity in earnings of different types of workers living in urban locations by using methodology similar to those developed in Ferreira and Gignoux (Review of Income and Wealth 57: 622-657, 2011) with household-level data taken from Periodic the Labour Force Surveys. In calculating the index of unequal opportunity, we use ex ante concept of equal opportunity, and gender, social status and parent's education as circumstance variables. Shapley decomposition is performed to find out the relative roles of the circumstance variables in unequal opportunity in earnings.

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The presence of parabens and bisphenols in maternal products and usage during pregnancy have raised serious concern about their possible harm to pregnant women. The concentrations of six parabens and eight bisphenols were quantified by high-performance liquid chromatography-tandem mass spectrometry in the samples of commercially available herbal-based ayurvedic maternal products and urine of healthy pregnant women from Assam, India. Methyl paraben (MP) and bisphenol AF (BPAF) were found to be more dominant in the maternal products, whereas MP, bisphenol A (BPA), and BPAF were dominant in urine samples of healthy pregnant women.

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