Publications by authors named "Narayanan J"

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  • Current clinical testing for imprinting disorders is complicated and usually involves several tests to get a clear diagnosis.
  • We explored the use of whole-genome long-read sequencing (LRS) as a single test to analyze different genetic variations and methylation patterns in individuals with Prader-Willi or Angelman syndrome.
  • Our results showed that LRS can accurately diagnose these conditions efficiently and could simplify testing while lowering costs and speeding up results in clinical settings.
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  • Diabetic wounds, common in Type 2 Diabetes, have slow healing due to impaired biological processes; the study investigates Febuxostat as a treatment option.
  • Using various methodologies, including computational models and lab assays, researchers assessed Febuxostat's effects on wound healing pathways and its toxicity.
  • Results showed Febuxostat has strong binding to key proteins involved in healing, demonstrated efficacy in promoting cell migration and closure in lab tests, and is deemed safe for use, warranting further clinical investigations.
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Background: Keratoconus is an etiologically complex, degenerative corneal disease that eventually leads to loss of corneal integrity. Cells in corneal epithelium and endothelium express various types of ion channels that play important roles in ocular pathology. This emphasizes the need of understanding alterations of ion channels in keratoconus.

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Individuals hold internal leadership representations, termed leadership prototypes. We examined how these prototypes changed in reaction to the 2020 U.S.

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  • * In Alzheimer's, genes related to amyloid-beta accumulation are key, while Parkinson's is associated with mutations in the alpha-synuclein gene and other related genes affecting dopamine neurons.
  • * Research is focusing on alpha-synuclein as a potential biomarker for both diagnosis and treatment, highlighting its role in disease progression and potential connections between neurodegenerative diseases and other conditions like melanoma.
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Meconium-stained amniotic fluid (MSAF) presents a complex medical scenario with significant implications for maternal and neonatal health. This case report explores the intricacies surrounding MSAF, focusing on its diagnosis, treatment, and the associated meconium aspiration syndrome (MAS). The report emphasizes the critical role of antibiotic prophylaxis in lower segment cesarean sections (LSCS) in balancing infection prevention in the mother with neonatal considerations.

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  • The surgical technique discussed involves a half-turned truncal switch operation used in a 5-year-old with complex heart conditions, including D-TGA and a ventricular septal defect.
  • This procedure aims to improve blood flow dynamics by creating better biventricular outflow tracts.
  • It utilizes the patient's own pulmonary valve for the right ventricular outflow, reducing the need for an artificial conduit.
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  • Periodontitis is linked to chronic inflammation and pro-inflammatory markers like MIP-1α and CRP, which are significant in assessing inflammation in heart disease.
  • This study evaluates biomarker levels in three groups: healthy individuals, those with stage III periodontitis, and post-myocardial infarction patients with stage III periodontitis.
  • Results show that periodontitis patients have lower adiponectin and higher CRP and MIP-1α levels, suggesting a potential risk for cardiovascular events, highlighting the need for early detection and treatment of periodontitis.
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In addition to proteins, microRNAs, and lipids, plant-derived exosome-like nanovesicles (ENVs) are also enriched with host plant bioactives. Both curcumin and piperine are water insoluble, lack bioavailability, and are extracted by non-ecofriendly solvents. Herein, we present an eco-friendly protocol for co-isolating both curcumin and piperine in the form of hybrid ENVs.

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Herbal products in dentistry have grown significantly. In the current scenario, herbal products are believed to be an effective adjunct to other medications. The present study aims to evaluate oil and miswak (Salvadora persica) toothpaste for its efficacy in observable reduction in plaque and gingival bleeding.

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The emergence of COVID-19 dramatically changed social behavior across societies and contexts. Here we study whether social norms also changed. Specifically, we study this question for cultural tightness (the degree to which societies generally have strong norms), specific social norms (e.

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People with epilepsy, on average, experience lower quality of life (QOL) than healthy controls. This study examined the associations between specific anti-seizure medications, biopsychosocial factors, and QOL in people with epilepsy. Analysis of covariance revealed that individuals taking three or more anti-seizure medications had significantly lower QOL than those taking levetiracetam.

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  • Pancreatic ductal adenocarcinoma (PDAC) is expected to become the second leading cause of cancer-related deaths by 2030, with very low overall survival rates of less than 10%.
  • Despite advancements in surgery and chemotherapy, many patients face limited treatment options, leading to interest in local ablative techniques that improve local tumor control and survival for locally advanced pancreatic cancer (LAPC).
  • These local ablations not only reduce tumor size but also stimulate antitumor immune responses, which may help in preventing or treating metastases, making them a potential therapeutic strategy for metastatic PDAC.
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  • The study explores the use of modified graphite carbon paste electrodes incorporating ZnO/carbon quantum dots for the electrochemical detection of dopamine (DA) and uric acid (UA), crucial metabolites in human health.
  • The electrodes were extensively characterized through various analytical techniques and demonstrated high sensitivity in detecting DA, even at low concentrations, without interference from UA.
  • The ZnO/CQD electrodes successfully detected both DA and UA simultaneously in human urine samples, showcasing a significant potential for real-world applications in monitoring these metabolites.
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Obesity is a complex disease caused by various factors, and synthetic drugs used to treat it can have side effects. Natural compounds, such as olivetol, could be a promising alternative. Olivetol is a substance found in certain lichen species and has anti-inflammatory and anti-cancer properties.

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Nanogels are highly recognized as adaptable drug delivery systems that significantly contribute to improving various therapies and diagnostic examinations for different human diseases. These three-dimensional, hydrophilic cross-linked polymers have the ability to absorb large amounts of water or biological fluids. Due to the growing demand for enhancing current therapies, nanogels have emerged as the next-generation drug delivery system.

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Background: Impaired wound healing is the most common and significant complication of Diabetes. While most other complications of Diabetes have better treatment options, diabetic wounds remain a burden as they can cause pain and suffering in patients. Wound closure and repair are orchestrated by a sequence of events aided by the release of pro-inflammatory cytokines, which are dysregulated in cases of Diabetes, making the wound environment unfavorable for healing and delaying the wound healing processes.

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Purpose: Vascular endothelium plays a central role in the pathogenesis of acute and chronic radiation injuries, yet the mechanisms which promote sustained endothelial dysfunction and contribute to late responding organ failure are unclear. We employed 2 window (> 1100 nm emission) Near-Infrared (NIR) imaging using indocyanine green (ICG) to track and define the role of the notch ligand Delta-like ligand 4 (Dll4) in mediating vascular injury in two late-responding radiosensitive organs: the lung and kidney.

Procedures: Consomic strains of female Salt Sensitive or SS (Dll4-high) and SS with 3 chromosome inherited from Brown Norway, SS.

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Aims: Retinal ischemia/reperfusion (I/R) injury is a common pathological basis for various ophthalmic diseases. This study aimed to investigate the potential of sulforaphane (SFN) and Homer1a in regulating cell apoptosis induced by retinal I/R injury and to explore the underlying regulatory mechanism between them.

Materials And Methods: In in vivo experiments, C57BL/6J mice and Homer1/Homer1a/Nestin-Cre mice were used to construct retinal I/R injury models.

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  • IL-33 is a cytokine that activates Th2 immune responses, triggering pathways that can help protect against cardiovascular diseases (CVDs) by promoting M2 macrophage polarization.
  • However, the presence of soluble ST2 (sST2) can bind to IL-33 and reduce its protective effects, potentially worsening CVD outcomes.
  • This review highlights IL-33's protective role in CVDs and suggests that sST2 could serve as a diagnostic biomarker, positioning IL-33 as a potential target for therapeutic intervention in cardiovascular health.
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Objectives: While mindfulness in the workplace has received substantial scientific attention in the past decades, it is not yet well-understood if, under what circumstances, and in what ways mindfulness training may be helpful for individuals working in political environments. The aim of this study was to explore the experience of mindfulness training among British politicians, as well as mindfulness facilitators who had taught mindfulness to politicians in the UK Parliament.

Method: Between September and November 2021, semi-structured in-depth interviews were conducted with British politicians ( = 18) who had experience of mindfulness training and mindfulness facilitators ( = 4) who had taught mindfulness to politicians in the UK Parliament.

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Cancer-associated fibroblasts (CAFs) of ovarian cancer (OvC) are the most prevalent element of the tumor microenvironment (TM). By promoting angiogenesis, immunological suppression, and invasion, CAFs speed up the growth of tumors by changing the extracellular matrix's structure and composition and/or initiating the epithelial cells (EPT). IL-33/ST2 signaling has drawn a lot of attention since it acts as a pro-tumor alarmin and encourages spread by altering TM.

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This systematic review and meta-analysis sought to evaluate the acceptability levels for COVID vaccine(s) in various states in India. Published articles in PubMed/Scopus/Cochrane/DOAJ/the Web of Science that focused on assessing COVID-19 vaccine hesitation/vaccine acceptance using a survey/questionnaire were included. After extensive research, 524 records were found, and after screening on the basis of eligibility criteria, only 23 papers were added to this review.

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