Cardiac Regeneration in Adult Zebrafish: A Review of Signaling and Metabolic Coordination.

Purpose Of Review: This review investigates how post-injury cellular signaling and energy metabolism are two pivotal points in zebrafish's cardiomyocyte cell cycle re-entry and proliferation. It seeks to highlight the probable mechanism of action in proliferative cardiomyocytes compared to mammals and identify gaps in the current understanding of metabolic regulation of cardiac regeneration.

Recent Findings: Metabolic substrate changes after birth correlate with reduced cardiomyocyte proliferation in mammals.

Human bocavirus infections in paediatric patients in a tertiary care hospital in Kerala, India.

Human bocaviruses (HBoVs) can cause respiratory illness in young children. Although the first HBoV infection in India was reported in 2010, very little information is available about its prevalence, clinical features, or geographic distribution in this country. This study was conducted using 136 respiratory samples from paediatric patients in a tertiary care hospital in Kerala, 21 of which tested positive for HBoV1 and were further characterized through VP1/VP2 gene sequencing.

Photocatalytic C-C Bond Azidation and Cyanation of Acyclic Ketones via a Pro-aromatic Intermediate.

Herein, we report a formal C-C bond azidation and cyanation of unactivated aliphatic ketones using commercially available tosyl azide and cyanide, respectively. A visible-light-mediated organophotocatalyst enables radical azidation and cyanation of ketone-derived pro-aromatic dihydroquinazolinones (under mostly redox-neutral conditions) as supported by preliminary mechanistic studies. These metal-free and scalable protocols can be used to synthesize tertiary, secondary, and primary alkyl azides and nitriles with good functional group tolerance and postsynthetic diversification of the azide group, including bioconjugation.

Photocatalytic oxidative hydroacylation with alcohols.

Herein, we report a photocatalytic method for oxidative hydroacylation with alcohols. Under photoirradiation and a catalytic amount of TBADT, different electrophiles (azodicarboxylates, -phenylmaleimide, benzylidenemalononitrile and phenyl vinyl sulfone) underwent hydroacylation with alcohols in good yields. The method was also applied to achieve a convenient synthesis of the anti-depressant drug moclobemide.

Targeted NIR Fluorescent Mechanically Interlocked Molecules-Peptide Bioconjugate for Live Cancer Cells Submitochondrial Stimulated Emission Depletion Super-Resolution Microscopy.

Herein, a water-soluble, ultrabright, near-infrared (NIR) fluorescent, mechanically interlocked molecules (MIMs)-peptide bioconjugate is designed with dual targeting capabilities. Cancer cell surface overexpressed αβ integrin targeting two RGDS tetrapeptide residues is tethered at the macrocycle of MIMs-peptide bioconjugate via Cu(I)-catalyzed click chemistry on the Wang resin, and mitochondria targeting lipophilic cationic TPP functionality is conjugated at the axle dye. Living carcinoma cell selective active targeting, subsequently cell penetration, mitochondrial imaging, including the ultrastructure of cristae, and real-time tracking of malignant mitochondria by MIMs-peptide bioconjugate (RGDS)-Mito-MIMs-TPP are established by stimulated emission depletion (STED) super-resolved fluorescence microscopy.

Multi-fold fermionic and bosonic states in topologically non-trivial TiPd.

The topological properties of the A15-type compound TiPd reveal a complex landscape of multi-fold fermionic and bosonic states, as uncovered through calculations within the framework of density functional theory (DFT). The electronic band structure shows multi-fold degenerate crossings at the high-symmetry point R near the Fermi level, which evolves into 4-fold and 8-fold degenerate fermionic states upon the introduction of spin-orbit coupling (SOC). Likewise, the phononic band structure features multi-fold degenerate bosonic crossings at the same R point.

Role of Competing Magnetic Exchange on Non-Collinear to Collinear Magnetic Ordering and Skyrmion Stabilization in Centrosymmetric Hexagonal Magnets.

Topological magnetic skyrmions with helicity state degrees of freedom in centrosymmetric magnets possess great potential for advanced spintronics applications and quantum computing. Till date, the skyrmion study in this class of materials mostly remains focused to collinear ferromagnets with uniaxial magnetic anisotropy. Here, we present a combined theoretical and experimental study on the competing magnetic exchange-induced evolution of noncollinear magnetic ground states and its impact on the skyrmion formation in a series of centrosymmetric hexagonal noncollinear magnets, MnFeCoGe.

Scleral lens wear and fluid reservoir turbidity in eyes with ocular surface disorders.

Purpose: To investigate changes in fluid reservoir turbidity parameters over time and its influence on visual performance in eyes with ocular surface disorders (OSD) wearing scleral contact lenses (SL).

Methods: Thirteen eyes with OSD were assessed for corrected distance visual acuity, contrast sensitivity (CS) and fluid reservoir turbidity using anterior segment optical coherence tomography at baseline, after 5 min and 0.5, 1, 2, 3 and 4 h of SL wear on day 1 and after 1 month.

Exploring the Potential of Nanocarriers for Cancer Immunotherapy: Insights into Mechanism, Nanocarriers, and Regulatory Perspectives.

Immunotherapy is a cutting-edge approach that leverages sophisticated technology to target tumor-specific antibodies and modulate the immune system to eradicate cancer and enhance patients' quality of life. Bioinformatics and genetic science advancements have made it possible to diagnose and treat cancer patients using immunotherapy technology. However, current immunotherapies against cancer have limited clinical benefits due to cancer-associated antigens, which often fail to interact with immune cells and exhibit insufficient therapeutic targeting with unintended side effects.

2D Titanium Carbide MXene-Interfaced Zinc Oxide/Tungstite Architectures Adorned Mixed Matrix Polymer Membranes for Oily Wastewater Treatment.

An exceedingly porous and interwoven fibrous structure was achieved in this study by interlocking titanium carbide (TiC) MXenes onto the electrospun mats using poly(vinylidene fluoride) (PVDF) as the base polymer. The fibrous membrane was further modified with the inclusion of zinc oxide (ZnO) and tungstite (WO·HO) nano/microstructures via annealing and hydrothermal approaches. Through these strategic interfaced morphological developments in novel TiC/ZnO/WO·HO heterostructures, our findings reveal enhanced wettability and charge-segregation desirable for promoting oil-water separation and photoreactivity, respectively.

Oxo-Sulfonylation of 1,7-Enynes via a Multicomponent Oxidative Radical Polar Crossover Approach.

Diastereoselective synthesis of -3,4-difunctionalized tetrahydroquinoline and chromane derivatives via the oxo-sulfonylation of 1,7-enynes is demonstrated. The reaction involves a three-component oxidative radical polar crossover (ORPC) approach wherein a vinyl carbocation intermediate undergoes nucleophilic substitution to afford the corresponding keto functional group. Deprotection of the N-Ts group, gram-scale synthesis, and other synthetic applications were illustrated.

Berberine Inhibits the Disruption of the Blood-Brain Barrier and Glial Cell Activation in a Rat Model of Acute Hepatic Encephalopathy.

Background And Aim: Hepatic encephalopathy (HE) is a complex neurological disorder in individuals with liver diseases, necessitating effective neuroprotective interventions to alleviate its adverse outcomes. Berberine (BBR), a natural compound with well-established anti-fibrotic and neuroprotective properties, has not been extensively studied in the context of glial activation under hyperammonaemic conditions. This study evaluates the neuroprotective potential of BBR in a thioacetamide (TAA)-induced HE rat model, focusing on its effects on glial activation and NLRP3 inflammasome signalling.

Exploring the correlations between social support, resilience, well-being, and mental health variables among youth in border areas of Jammu and Kashmir.

Background: The border areas of Jammu and Kashmir have long been affected by conflict, potentially impacting the mental health of youth. Understanding the relationships between social health factors and mental health outcomes in these regions is crucial for developing effective interventions.

Aim: This study aims to investigate the correlations between social health factors (social support, resilience, and well-being) and mental health outcomes (stress, anxiety, and depression) among youth living in the border areas of Jammu and Kashmir.

Prevalence and predictors of positive childhood experiences and their relationship with adverse childhood experiences among young adults in Delhi-NCR, India.

Background: Although positive childhood experiences (PCEs) have been reported to be crucial for healthy development and better mental and physical health outcomes, their epidemiology and relationship with adverse childhood experiences (ACE) exposure in low and middle-income countries, including India remain underexplored.

Aims: The present study aimed to ascertain the prevalence and predictors of PCE exposure and understand the relationship between PCE and ACE exposure among young adults in Delhi-NCR, India.

Methods: The present cross-sectional study involved a total of 1,573 young adults (18-25 years) of both sexes (69.

Recent breakthroughs in ring-opening annulation reactions of aziridines.

Aziridines, characterized by their highly constrained three-membered nitrogen-containing heterocyclic ring system, serve as compelling synthetic intermediates for synthesizing numerous naturally occurring alkaloids and pharmaceuticals. The distinct ring strain arising from the geometric constraints of these sp-rich trigonal rings imparts high reactivity, thereby offering a wealth of intriguing synthetic opportunities. Recent advances in the chemistry and reactivity of aziridines have unveiled significant progress in preparing more complex heterocycles.

Oral Cyclosporine in Vernal Keratoconjunctivitis: Indications, Outcomes, and Effect on Corticosteroid Use.

Purpose: The purpose of this study was to report the indications and outcomes of oral cyclosporine A (oCsA) use in vernal keratoconjunctivitis (VKC) and to assess its effect on corticosteroid use.

Methods: This retrospective review of VKC cases included patients who were prescribed oCsA. Data on clinical characteristics, demographic profile, and treatment were collected.

Influence of Magnesium Ions and Crowding Agents on Structure and Stability of RNA Aptamers.

Aptamers bind to their targets with exceptional affinity and specificity. However, their intracellular application is hampered by the lack of knowledge about the effect of the cellular milieu on the RNA structure/stability. In this study, cellular crowding was mimicked using polyethylene glycol (PEG), and the crucial role of Mg ions in stabilizing the structure of an RNA aptamer was investigated.

Extension of Law of Limitation in Medical Negligence Cases and Applicability of Discovery Rule: Emerging Indian Perspective.

Practitioners of medicine have a moral as well as legal obligation to serve their patients to the best of their ability, and in recent years the medical profession throughout the world has affirmed this principle. But where there is negligence of this sacred duty, a claim arises. Most civil claims are governed by the law of limitation, which restricts the time in which a plaintiff can bring a suit.

Sustainable Valorization of Rice Straw into Biochar and Carbon Dots Using a Novel One-Pot Approach for Dual Applications in Detection and Removal of Lead Ions.

Lead (Pb) is a highly toxic heavy metal that causes significant health hazards and environmental damage. Thus, the detection and removal of Pb ions in freshwater sources are imperative for safeguarding public health and the environment. Moreover, the transformation of single resources into multiple high-value products is vital for achieving sustainable development goals (SDGs).

Patterning Planar, Flexible Li-S Battery Full Cells on Laser-Induced Graphene Traces.

Laser conversion of commercial polymers to laser-induced graphene (LIG) using inexpensive and accessible CO lasers has enabled the rapid prototyping of promising electronic and electrochemical devices. Frequently used to pattern interdigitated supercapacitors, few approaches have been developed to pattern batteries-in particular, full cells. Herein, we report an LIG-based approach to a planar, interdigitated Li-S battery.

The Ivermectin Related Compound Moxidectin Can Target Apicomplexan Importin α and Limit Growth of Malarial Parasites.

Signal-dependent transport into and out of the nucleus mediated by members of the importin (IMP) superfamily is crucial for eukaryotic function, with inhibitors targeting IMPα being of key interest as anti-infectious agents, including against the apicomplexan species and , causative agents of malaria and toxoplasmosis, respectively. We recently showed that the FDA-approved macrocyclic lactone ivermectin, as well as several other different small molecule inhibitors, can specifically bind to and inhibit and IMPα functions, as well as limit parasite growth. Here we focus on the FDA-approved antiparasitic moxidectin, a structural analogue of ivermectin, for its IMPα-targeting and anti-apicomplexan properties for the first time.

Metabolomics-Driven Biomarker Discovery for Breast Cancer Prognosis and Diagnosis.

Breast cancer is a cancer with global prevalence and a surge in the number of cases with each passing year. With the advancement in science and technology, significant progress has been achieved in the prevention and treatment of breast cancer to make ends meet. The scientific intradisciplinary subject of "metabolomics" examines every metabolite found in a cell, tissue, system, or organism from different sources of samples.