Screening of the Combined Risk of Genetics and Epidemiology on Infertility Among Indian Men: Synergistic Effect of AZFc Partial Deletions and Habits of Smokeless Chewing Tobacco.

The AZFc partial deletions of Y chromosome and lifestyle/epidemiological factors such as the use of smokeless chewing tobacco (SCT) exhibit intriguing variations in their association with male infertility across the population, ethnicity, and genetic background. Here, a pioneering attempt has been made to elucidate the interactions of such deletions with the habits of SCT consumption among the participating individuals, using their large epidemiological data. This screening program was conducted among Bengali-speaking men in West Bengal, India.

Novel Mutations of TSPY1 Gene Associate Spermatogenic Failure Among Men.

Etiology of male infertility is intriguing owing to complex genetic regulation of human spermatogenesis and ethnic variations in genetic architecture of human populations. The present study characterizes the role of Y chromosome specific spermatogenic regulator testis-specific protein Y-encoded 1 (TSPY1) gene mutation in spermatogenic failure. This case-control study includes 163 cases of spermatogenic failure and 175 age-matched fertile men as controls.

Novel variations in spermatogenic transcription regulators RFX2 and TAF7 increase risk of azoospermia.

Purpose: Genetic etiology of idiopathic male infertility is enigmatic owing to involvement of multiple gene regulatory networks in spermatogenesis process. Any change in optimal function of the transcription factors involved in this process owing to polymorphisms/mutations may increase the risk of infertility. We investigated polymorphisms/mutations of spermatogenic transcription regulators TAF7 and RFX2 and analysed their association with incidence of azoospermia among the men from West Bengal, India.

Prevalence of Y chromosome microdeletion in azoospermia factor subregions among infertile men from West Bengal, India.

Background: Etiology of male infertility is intriguing and Y chromosome microdeletion within azoospermia factor (AZF) sub-regions is considered major cause. We conducted a screening for Y chromosome microdeletion in an infertile male cohort from West Bengal, India to characterize Y chromosome microdeletion among infertile men.

Methods: We recruited case subjects that were categorized on the basis of sperm count as azoospermia (N = 63), severe oligozoospermia (N = 38), and oligozoospermia (N = 17) and compared them with age, demography, and ethnicity matched healthy proven fertile control males (N = 84).

Evaluation of potency of the selected bioactive molecules from Indian medicinal plants with M of SARS-CoV-2 through in silico analysis.

Background: The recent outbreak of the novel SARS-CoV-2 across the globe and the absence of specific drug against this virus lead the scientific community to look into some alternative indigenous treatments. India as a hub of Ayurvedic and medicinal plants can shed light on its treatment using specific active bio-molecules from these plants.

Objectives: Keeping our herbal resources in mind, we were interested to inquire whether some phytochemicals from Indian spices and medicinal plants can be used as alternative therapeutic agents in contrast to synthetic drugs.

Age dependent neuroprotective effects of medhya rasayana prepared from Clitoria ternatea Linn. in stress induced rat brain.

Ethnopharmacological Relevance: Indian traditional medicinal system in Ayurveda suggests several preparations, known as medhya rasayanas, of diverse plant origin to enhance the health in general, reduce stress and improve brain function in particular during ageing. These effects in the context of contemporary knowledge and the underlying mechanisms are not clearly understood. Autophagy and DNA damage induced repair are inter-related quintessential pathways and are significantly altered during stress and ageing.

Effect of Amalaki rasayana on DNA damage and repair in randomized aged human individuals.

Ethnopharmacological Relevance: Preparations from Phyllanthus emblica called Amalaki rasayana is used in the Indian traditional medicinal system of Ayurveda for healthy living in elderly. The biological effects and its mechanisms are not fully understood. Since the diminishing DNA repair is the hallmark of ageing, we tested the influence of Amalaki rasayana on recognized DNA repair activities in healthy aged individuals.

Single megadose vitamin A supplementation of Indian mothers and morbidity in breastfed young infants.

Background And Objective: In developing countries low maternal vitamin A stores combined with increased demands of pregnancy and lactation may lead to its deficiency in breastfed infants. This study evaluates the effects of maternal supplementation with a high dose of vitamin A on the serum retinol levels of exclusively breastfed infants, and their morbidity in the first six months of life.

Setting: Hospital based.

Prevalence of hepatitis B virus (HBV) markers and human immunodeficiency virus (HIV) in employees of a blood transfusion centre.

Blood bank staff, 8 out of 25 (32%) have been exposed to hepatitis B virus (HBV) and the prevalence of HBV markers in blood bank employees handling high risk subjects show hepatitis B surface antigen (n = 1), hepatitis B surface antibody (n = 7), hepatitis B core antibody (n = 6) and combined hepatitis B surface antibody and hepatitis B core antibody (n = 6) seropositivity but all are negative to human immunodeficiency virus (HIV). Serum alanine aminotransferase was raised in the employees than normal subjects and it is suggestive of sub-clinical hepatitis. The employees of blood bank should be trained for proper handling of test materials and must be periodically monitored for HBV and HIV.

Kwashiorkor and marasmus: changing hospital incidence of syndromic presentation (1957-88).

This clinico-epidemiological study was undertaken to substantiate the impression that the pattern of clinical presentation of protein-energy malnutrition causing kwashiorkor-marasmus syndrome (KMS) is changing over time. An analysis of data for the period 1964-88, obtained from the specialised Pediatric Clinic of the Calcutta School of Tropical Medicine serving mostly the city slums showed decrease (p less than 0.01) in the incidence of chronic edematous forms of severe KMS, less decrease (p less than 0.