Electrochemically grafted gallic acid-chitosan: a metal-free redox platform for regiospecific oligopeptide-viral spike protein interaction.

Electrochemical grafting of gallic acid with chitosan (EgGC) voltammetrically deposited on a multitude of substrates exhibiting reversible oxidoreduction suitable for sensor construction is reported. A bioreceptor customized from the fragment antigen binding region of SARS-CoV-2 neutralizing antibodies immobilized on an EgGC matrix supported the selective/specific electrochemical signal transduction with respect to different viral loads (femtogram level) of SARS-CoV-2.

Diet and Nutritional Status of Women of Reproductive Age (15-49 Years) in Indigenous Communities of , Kerala, India.

The dietary patterns and quality of diets of women of reproductive age (WRA) significantly affect their health and that of their children. The suboptimal diet among women can lead to issues such as intrauterine growth retardation, low birth weight, premature birth, and malnutrition. To examine the dietary patterns and nutrient intake of WRA in the indigenous communities of the tribal block in Kerala, we conducted a cross-sectional study in 20 randomly selected villages in 2022.

Operational feasibility and multi-centric evaluation of 'TB sputum microscopy kit' for the direct detection of in field settings.

Background: India relies primarily on direct smear microscopy for tuberculosis (TB) diagnosis. However, the low sensitivity of smear microscopy emphasizes the need to improve its performance. We recently described the development of 'TB' kit which showed improved performance over direct smear microscopy at National Reference Laboratories (NRLs) in India.

New synergistic benzoquinone scaffolds as inhibitors of mycobacterial cytochrome bc1 complex to treat multi-drug resistant tuberculosis.

Through a comprehensive molecular docking study, a unique series of naphthoquinones clubbed azetidinone scaffolds was arrived with promising binding affinity to Mycobacterial Cytbc1 complex, a drug target chosen to kill multi-drug resistant Mycobacterium tuberculosis (MDR-Mtb). Five compounds from series-2, 2a, 2c, 2g, 2h, and 2j, showcased significant in vitro anti-tubercular activities against Mtb HRv and MDR clinical isolates. Further, synergistic studies of these compounds in combination with INH and RIF revealed a potent bactericidal effect of compound 2a at concentration of 0.

Self-driven solutions and resilience adapted by people with drug-resistant tuberculosis and their caregivers in Bengaluru and Hyderabad, India: a qualitative study.

Background: One-fifth of people with drug-resistance tuberculosis (DR-TB) who were initiated on newer shorter treatment regimen (with injection) had unfavourable treatment outcomes in India as on 2020. Evidence on self-driven solutions and resilience adapted by people with DR-TB (PwDR-TB) towards their multi-dimensional disease and treatment challenges are scarce globally, which we aimed to understand.

Methods: In this qualitative study using positive deviance framework, we conducted semi-structured in-depth interviews among consenting adult PwDR-TB (7 women, 13 men) who completed shorter treatment regimen (including injections) with maximum treatment adherence.

Implications and progression of peroxiredoxin 2 (PRDX2) in various human diseases.

Peroxiredoxin 2 (PRDX2), a characteristic 2-Cys enzyme is one of the foremost effective scavenger proteins against reactive oxygen species (ROS) and hydrogen peroxide (HO) defending cells against oxidative stress. Dysregulation of this antioxidant raises the quantity of ROS and oxidative stress implicated in several diseases. PRDX2 lowers the generation of ROS that takes part in controlling several signalling pathways occurring in neurons, protecting them from stress caused by oxidation and an inflammatory harm.

Examining the Triple Burden of Malnutrition: Insights from a Community-Based Comprehensive Nutrition Survey among Indigenous Tribal Children (0-19 Years) in the Western Ghats Hills of India.

This article presents findings from a community-based cross-sectional study conducted in , Kerala, India, aimed at assessing the prevalence of the triple burden of malnutrition among indigenous children aged 0-19 years. Historically, the indigenous population in has faced significant developmental challenges, including high rates of malnutrition, infant mortality, and neonatal mortality. This study revealed alarming rates of undernutrition among children aged 0-59 months, with 40.

Implications of Toll-like receptors (TLRs) and their signaling mechanisms in human cancers.

Most essential pattern-recognition receptors regulating innate immune functions are toll-like receptors (TLRs). TLRs are characterized by lack of concurrent epithelial markers and are typically identified by their gene expressions. One major mechanism by which TLRs generate their effector functions is by triggering inflammatory responses.

Role of homeobox d10 gene targeted signaling pathways in cancers.

Homeobox D10 (HOXD10) is a transcription factor from the homeobox gene family that controls cell differentiation and morphogenesis throughout development.Due to their functional interaction, changes in HOXD10 gene expression might induce tumors. This narrative review focuses on how and why the dysregulation in the signaling pathways linked with HOXD10 contributes to the metastatic development of cancer.

Long-Term Intake of Linezolid Elevates Drug Exposure and Reduces Drug Clearance and Elimination in Adults With Drug-Resistant Pulmonary Tuberculosis.

Purpose: Pharmacokinetic (PK) studies are critical for dose optimization, and there is a paucity of linezolid (LZD) PK data for prolonged use in drug-resistant tuberculosis (DR-TB). Therefore, the authors evaluated the pharmacokinetics of LZD at two-time intervals in DR-TB during long-term use.

Methods: PK evaluation of LZD was performed at the end of the 8th and 16th weeks of treatment in a randomly selected subset of adult pre-extensively drug-resistant pulmonary tuberculosis patients (n = 18) from a multicentric interventional study (Building Evidence to Advance Treatment of TB/BEAT study; CTRI/2019/01/017310), wherein a daily dose of 600 mg LZD was used for 24 weeks.

Recent and advanced therapy for oral cancer.

Oral cancer is a common and deadly kind of tissue invasion, has a high death rate, and may induce metastasis that mostly affects adults over the age of 40. Most in vitro traditional methods for studying cancer have included the use of monolayer cell cultures and several animal models. There is a worldwide effort underway to reduce the excessive use of laboratory animals since, although being physiologically adequate, animal models rarely succeed in exactly mimicking human models.

Nanosensors for the diagnosis and therapy of neurodegenerative disorders and inflammatory bowel disease.

One of the areas of science which has immensely advanced in the recent years is nanotechnology. This area broadly revolves around matter at scales between 1 and 100 nm, where peculiar phenomena make way for cutting-edge applications. Today, nanotechnology has a daily impact on human life with numerous and varied possible advantages.

A Dual Perspective of Psycho-Social Barriers and Challenges Experienced by Drug-Resistant TB Patients and Their Caregivers through the Course of Diagnosis and Treatment: Findings from a Qualitative Study in Bengaluru and Hyderabad Districts of South India.

Qualitative insights regarding psycho-social barriers and challenges experienced by drug-resistant tuberculosis (DR-TB) patients and their caregivers are understudied in India. We conducted a qualitative study using semi-structured qualitative interviews among treatment-completed DR-TB patients ( = 20) and caregivers ( = 20) in Bengaluru and Hyderabad districts, which represented two different socio-cultural settings in South India. Criterion sampling was used for recruiting the eligible participants who completed treatment with adherence.

Datasets comprising the quality validations of simulated protein-ligand complexes and SYBYL docking scores of bioactive natural compounds as inhibitors of protein-targets.

Docking scores and simulation parameters to study the potency of natural compounds against protein targets in (M) were retrieved through molecular docking and structural investigation. The molecular docking datasets comprised 15 natural compounds, seven conventional anti-tuberculosis (anti-TB) drugs and their seven corresponding M target proteins. M protein targets were actively involved in translation mechanism, nucleic acid metabolism and membrane integrity.

Transcriptional Profiling and Deriving a Seven-Gene Signature That Discriminates Active and Latent Tuberculosis: An Integrative Bioinformatics Approach.

Tuberculosis (TB) is an infectious disease caused by (). Our integrative analysis aims to identify the transcriptional profiling and gene expression signature that distinguish individuals with active TB (ATB) disease, and those with latent tuberculosis infection (LTBI). In the present study, we reanalyzed a microarray dataset (GSE37250) from GEO database and explored the data for differential gene expression analysis between those with ATB and LTBI derived from Malawi and South African cohorts.

Effects of co-administration of pharmacopoeia formulations and with CAT-I antitubercular drugs in rats.

Objectives: Tuberculosis continues to be a major public health problem globally, despite incredible advancements in healthcare system. In system of medicine, (QTS) and (AHB) have been traditionally used for tuberculosis like conditions. The study was aimed to investigate the effects of co-administration of QTS and AHB with category I first line antitubercular drugs (CAT-I) on the indices of liver and kidney function in rats.

Recurrence of tuberculosis among newly diagnosed sputum positive pulmonary tuberculosis patients treated under the Revised National Tuberculosis Control Programme, India: A multi-centric prospective study.

Introduction: There is lack of information on the proportion of new smear-positive pulmonary tuberculosis (PTB) patients treated with a 6-month thrice-weekly regimen under Revised National Tuberculosis Control Programme (RNTCP) who develop recurrent TB after successful treatment outcome.

Objective: To estimate TB recurrence among newly diagnosed PTB patients who have successfully completed treatment and to document endogenous reactivation or re-infection. Risk factors for unfavourable outcomes to treatment and TB recurrence were determined.

Intrapatient variability in plasma rifampicin & isoniazid in tuberculosis patients.

Background & Objectives: Large variability in anti-tuberculosis (TB) drug concentrations between patients is known to exist. However, limited information is available on intrapatient drug levels during the course of anti-TB treatment (ATT). This study was conducted to evaluate intrapatient variability in plasma rifampicin (RMP) and isoniazid (INH) concentrations during ATT at start of the treatment, at the end of intensive phase (IP) of ATT and at the end of ATT in adult TB patients being treated in the Revised National TB Control Programme (RNTCP).