Perspectives and lived experiences of survivors and caregivers of COVID-19 patients in a teaching hospital in a tribal district of Chhattisgarh, India.

Background: The rural-urban healthcare disparity in India was exacerbated during the COVID-19 pandemic, with the second wave hitting rural areas particularly hard due to weak infrastructure. A study in Chhattisgarh aims to explore the experiences of severely ill COVID-19 survivors and caregivers to inform patient-centric care delivery in primary settings.

Methods: In this qualitative study, we conducted in-depth interviews with seven patients and seven caregivers during home visits or telephonically to understand lived experiences of receiving care for COVID-19 in an ICU in the public health system.

Pupil Unleashed: Unraveling the Enigma of an Unusual Traumatic Head Injury: A Case Report.

Introduction: Isolated oculomotor nerve palsy after mild traumatic brain injury is unusual and prognostically significant due to unclear mechanisms and recovery challenges. We present a case of isolated oculomotor nerve palsy following minor head trauma, shedding light on this unusual occurrence.

Case Report: A 24-year-old male experienced severe vision loss and right-sided oculomotor nerve palsy after a motor vehicle collision.

How useful do communities find the health and wellness centres? A qualitative assessment of India's new policy for primary health care.

Background: The policy attention to primary health care has seen a global upswing in recent years, including in India. Earlier assessments had shown that a very small proportion of Indian population used the government primary health facilities. Starting in 2018, Indian government has established more than 100,000 Health and Wellness Centres (HWCs) to increase rural population's access to primary health care.

A Prompt Study on Recent Advances in the Development Of Colorimetric and Fluorescent Chemosensors for "Nanomolar Detection" of Biologically Important Analytes.

Fluorescent and colorimetric chemosensors for selective detection of various biologically important analytes have been widely applied in different areas such as biology, physiology, pharmacology, and environmental sciences. The research area based on fluorescent chemosensors has been in existence for about 150 years with the development of large number of fluorescent chemosensors for selective detection of cations as metal ions, anions, reactive species, neutral molecules and different gases etc. Despite the progress made in this field, several problems and challenges still exist.

Lymph node level ratio: Are we relying too much on numbers?

The lymph node level ratio appears to be a continuation of nodal yield and nodal density, two prognostic metrics already in use. A retrospective analysis conducted in the current study showed that a value of fewer than 4 lymph nodes/level is linked to a lower overall and disease-specific survival. This letter aims to review the reasoning behind the use of node level ratios and nodal yields as quality and prognostic indicators, and to explore possible factors that could affect these.

Allosteric crosstalk in modular proteins: Function fine-tuning and drug design.

Modular proteins are regulatory proteins that carry out more than one function. These proteins upregulate or downregulate a biochemical cascade to establish homeostasis in cells. To switch the function or alter the efficiency (based on cellular needs), these proteins require different facilitators that bind to a site different from the catalytic (active/orthosteric) site, aka 'allosteric site', and fine-tune their function.

Artificial intelligence in clinical medicine: catalyzing a sustainable global healthcare paradigm.

As the demand for quality healthcare increases, healthcare systems worldwide are grappling with time constraints and excessive workloads, which can compromise the quality of patient care. Artificial intelligence (AI) has emerged as a powerful tool in clinical medicine, revolutionizing various aspects of patient care and medical research. The integration of AI in clinical medicine has not only improved diagnostic accuracy and treatment outcomes, but also contributed to more efficient healthcare delivery, reduced costs, and facilitated better patient experiences.

PAR recognition by PARP1 regulates DNA-dependent activities and independently stimulates catalytic activity of PARP1.

Poly(ADP-ribosyl)ation is predominantly catalyzed by Poly(ADP-ribose) polymerase 1 (PARP1) in response to DNA damage, mediating the DNA repair process to maintain genomic integrity. Single-strand (SSB) and double-strand (DSB) DNA breaks are bona fide stimulators of PARP1 activity. However, PAR-mediated PARP1 regulation remains unexplored.

Regulation of PARP1 and its apoptotic variant activity by single-stranded DNA.

PARP1 is a nuclear protein involved in the maintenance of genomic stability. It catalyses the formation of poly(ADP-ribose) (PAR) to recruit repair proteins at the site of DNA lesions, such as double-strand and single-strand breaks. In the process of DNA replication or repair, there could occur stretch of ssDNA, usually protected by ssDNA binding proteins, but when present in abundance can turn into DNA beaks and cause cell death.

Demographics, Pattern of Care & Outcomes of Primary CNS Lymphoma- Experience from a Tertiary Care Cancer Center in India.

Unlabelled: Primary CNS lymphoma (PCNSL) is a rare subtype of non-Hodgkin lymphoma with the worst outcomes amongst all extranodal lymphomas. There is a scarcity of data on real-world outcomes of primary CNS lymphoma (PCNSL) owing to the rarity of the disease. This study analyzed the demographic patterns, risk stratification, treatment regimens used, & outcomes of patients treated at Tata Memorial Center Mumbai, India.

Metabolic switching and cell wall remodelling of Mycobacterium tuberculosis during bone tuberculosis.

Objectives: Bone tuberculosis (TB) is the third most common types of extrapulmonary tuberculosis. It is critical to understand mycobacterial adaptive strategies within bone lesions to identify mycobacterial factors that may have role in disease pathogenesis.

Methods: Whole genome microarray was used to characterize the in-vivo transcriptome of Mycobacterium tuberculosis (M.

Mechanistic insights into allosteric regulation of methylated DNA and histone H3 recognition by SRA and SET domains of SUVH5 and the basis for di-methylation of lysine residue.

Su-(var)3-9 homologue 5 (SUVH5), a member of SUVH family of histone lysine methyltransferase (HKMT) in Arabidopsis, is involved in epigenetic regulation of chromatin by recognizing 5-methyl-cytosine (5mC), in both CpG and non-CpG DNA context, through SRA domain and simultaneously performing the di-methylation of lysine 9 of histone H3 (H3K9) through SET domain. Here, we establish that the SET domain of SUVH5 allosterically restricts the SRA domain to the 5mC containing strand(s) of fully methylated CpG, hemi-methylated CpG and methylated CpHpH DNA. In addition, SET domain enhances the binding affinity of the SRA-SET dual domains to fully-mCpG but not to hemi-mCpG.

Designing ferritin nanocage based vaccine candidates for SARS-CoV-2 by engineering of its HLA I and HLA II epitope peptides.

New variants of SARS-CoV-2 are continuously being reported. To curtail the spread of this virus, it is essential to find an efficient and potent vaccine. Here, we report in silico designing of a protein (ferritin: FR) nanocage fused with multiple epitopes identified using the immuno-informatics approach and high-throughput screening.

Recent advances in Lewy body dementia: A comprehensive review.

Lewy Body Dementia is the second most frequent neurodegenerative illness proven to cause dementia, after Alzheimer's disease (AD). It is believed to be vastly underdiagnosed, as there is a significant disparity between the number of cases diagnosed clinically and those diagnosed via neuropathology at the time of postmortem autopsy. Strikingly, many of the pharmacologic treatments used to treat behavioral and cognitive symptoms in other forms of dementia exacerbate the symptoms of DLB.

Structure and Cooperativity in Substrate-Enzyme Interactions: Perspectives on Enzyme Engineering and Inhibitor Design.

Enzyme-based synthetic chemistry provides a green way to synthesize industrially important chemical scaffolds and provides incomparable substrate specificity and unmatched stereo-, regio-, and chemoselective product formation. However, using biocatalysts at an industrial scale has its challenges, like their narrow substrate scope, limited stability in large-scale one-pot reactions, and low expression levels. These limitations can be overcome by engineering and fine-tuning these biocatalysts using advanced protein engineering methods.

Minichromosome maintenance proteins in eukaryotic chromosome segregation.

Minichromosome maintenance (Mcm) proteins are well-known for their functions in DNA replication. However, their roles in chromosome segregation are yet to be reviewed in detail. Following the discovery in 1984, a group of Mcm proteins, known as the ARS-nonspecific group consisting of Mcm13, Mcm16-19, and Mcm21-22, were characterized as bonafide kinetochore proteins and were shown to play significant roles in the kinetochore assembly and high-fidelity chromosome segregation.

Helical and β-Turn Conformations in the Peptide Recognition Regions of the VIM1 PHD Finger Abrogate H3K4 Peptide Recognition.

The PHD finger-containing VARIANT IN METHYLATION/ORTHRUS (VIM/ORTH) family of proteins in consists of functional homologues of mammalian UHRF1 and is required for the maintenance of DNA methylation. Comparison of the sequence with those of other PHD fingers implied that VIM1 and VIM3 PHD could recognize lysine 4 of histone H3 (H3K4) through interactions mediated by a conserved aspartic acid. However, our calorimetric and modified histone peptide array binding studies suggested that neither H3K4 nor other histone marks are recognized by VIM1 and VIM3 PHD fingers.

A simple monophasic LGPY medium for routine maintenance of Leishmania donovani promastigotes.

Here, we report a simple, economic and autoclavable monophasic LGPY medium supplemented with 10% fetal bovine serum (FBS), for routine maintenance of Leishmania donovani promastigotes for laboratory use. In comparison to commercially available M199 and RPMI-1640 media, LGPY has shown approximately seven fold more cell growth. The parasite has been observed to survive in the medium for at least 15 days post-inoculation.

Structure-based redesigning of pentoxifylline analogs against selective phosphodiesterases to modulate sperm functional competence for assisted reproductive technologies.

Phosphodiesterase (PDE) inhibitors, such as pentoxifylline (PTX), are used as pharmacological agents to enhance sperm motility in assisted reproductive technology (ART), mainly to aid the selection of viable sperm in asthenozoospermic ejaculates and testicular spermatozoa, prior to intracytoplasmic sperm injection (ICSI). However, PTX is reported to induce premature acrosome reaction (AR) and, exert toxic effects on oocyte function and early embryo development. Additionally, in vitro binding studies as well as computational binding free energy (ΔG) suggest that PTX exhibits weak binding to sperm PDEs, indicating room for improvement.

Heaviness of Smoking Index versus Fagerstrom Test for Nicotine Dependence among Current Smokers of Ahmedabad City, India.

Background: The purpose of this research was to compare Heaviness of Smoking Index (HSI), high early smoking, and heavy smoking with the Fagerstrom Test for Nicotine Dependence (FTND) and further to evaluate the sensitivity of HSI, high early smoking, and heavy smoking among existing smokers.

Methods: A cross sectional study was conducted by using FTND questionnaire among 200 existing smokers. The cut-off point for HSI was kept at 4; high early smokers and heavy smokers were classified as those individuals who smoked within 30 minutes after waking up and individuals who smoked 30 cigarettes or more daily, respectively.

Imaging infections in patients using pathogen-specific positron emission tomography.

represent the largest group of bacterial pathogens in humans and are responsible for severe, deep-seated infections, often resulting in sepsis or death. They are also a prominent cause of multidrug-resistant (MDR) infections, and some species are recognized as biothreat pathogens. Tools for noninvasive, whole-body analysis that can localize a pathogen with specificity are needed, but no such technology currently exists.