Publications by authors named "Varghese S"

The role of macrophages remains incompletely understood in kidney injury and repair. Their plasticity offers an opportunity to polarize them towards mediating injury resolution in both native and transplanted kidneys undergoing ischemia and/or rejection. Here, we show that infiltrating kidney macrophages augmented their AIF-1 expression after injury.

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The neuronal tau peptide serves as a key biomarker for neurodegenerative diseases, specifically, Alzheimer's disease, a condition that currently has no cure or definitive diagnosis. The methodology to noninvasively detect tau levels from body fluids remains a major hurdle for a rapid and simple diagnostic approach. Thus, developing new detection methods for sensing tau protein levels is crucial.

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Objective: Loss of functional β-cell mass is a major cause of diabetes. Thus, identifying regulators of β-cell health is crucial for treating this disease. The Leucine-rich repeat-containing G-protein-coupled receptor (GPCR) 4 (LGR4) is expressed in β-cells and is the fourth most abundant GPCR in human islets.

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Cardiovascular disease is the primary cause of mortality worldwide, as stated by the World Health Organization. We utilized the red fluorescence emitted by copper nanoclusters (CuNCs) to detect cardiac Troponin T (cTnT). We designed a fluorescent probe to detect cTnT using an on-off-on technique.

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The corona virus disease-19 (COVID-19) epidemic, the whole globe is suffering from a medical condition catastrophe that is unprecedented in scale. As the coronavirus spreads, scientists are worried about offering or helping in the supply of remedies to preserve lives and end the epidemic. Artificial intelligence (AI), for example, has occurred altered to deal with the difficulties raised by pandemics.

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Bilirubin is an important biomarker indicative of human health metabolism, especially in jaundice disease. In this work, we develop an Eu (Europium)-tungstate complex-based turn-off luminescence detection method for bilirubin in human (urineand serum)samples. The Eu-tungstate complex was synthesized by a straightforward one-pot procedure at ambient temperature, utilizing Europium chloride and Sodium tungstate as the precursors.

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Adrenocortical carcinoma (ACC) is a rare cancer with poor prognosis, treated primarily through surgery and chemotherapy. Other treatments like radiation or thermal ablation for metastases have limited success, and recurrence is common. More effective management options are needed.

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Article Synopsis
  • - This study explored whether there are health disparities in the prescription and use of menopause hormone therapy among perimenopausal and early postmenopausal women in the USA, by reviewing observational studies from 1940 until October 2023.
  • - Researchers found 16 different health disparities related to hormone therapy, noting significant differences based on ethnicity, education, medical conditions, and practitioner specialization.
  • - The findings indicate long-standing disparities in hormone therapy access and usage, highlighting the need for improved education for healthcare providers to better serve underserved populations.
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Ischaemic stroke and glioma, as leading causes of mortality and long-term disability, pose critical challenges to healthcare systems, necessitating innovative approaches to enable early and cost-effective diagnosis for timely intervention. Glial fibrillary acidic protein (GFAP), an astrocyte-produced protein, is highly responsive to both ischaemic stroke and glioblastoma multiforme, with its levels correlating to the extent of brain damage. In this study, we present the development of an immunoassay probe for the ratiometric fluorescent detection of glial fibrillary acidic protein (GFAP), employing a monoclonal GFAP antibody-conjugated silicon quantum dots (Ab@SiQDs) and rhodamine B dye (RhB)-based immunoprobe.

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Objectives: The goal of facial reanimation for facial palsy is to restore resting facial symmetry and dynamic facial motion that mirrors the opposite side as closely as possible. This study aimed to evaluate the restoration of oral commissure symmetry at rest and during excursion among patients with facial paralysis treated with free muscle transfer.

Methods: This study included 9 patients who underwent facial reanimation with free muscle transfer at Khoula Hospital, Muscat, Oman, from 2019 to 2022.

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Background: Advanced glycation end products (AGE) and their receptors (RAGE) have been implicated in developing periodontal complications in diabetic patients. This study aimed to identify salivary AGE, RAGE, soluble RAGE (sRAGE), and active-matrix metalloproteinase-8 (aMMP-8) levels at varying glycemic levels in periodontitis patients.

Methods: Ninety-eight participants were categorized into uncontrolled DM-PD group (n = 27)-periodontitis patients with uncontrolled Type 2 diabetes mellitus (T2DM) (glycated hemoglobin [HbA1c] ≥7%); controlled DM-PD group (n = 33)-periodontitis patients with controlled T2DM (HbA1c 5.

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Article Synopsis
  • The study focuses on detecting multijet signatures from proton-proton collisions at a high energy of 13 TeV, analyzing a dataset totaling 128 fb^{-1}.
  • A special data scouting method is utilized to pick out events with low combined momentum in jets.
  • This research is pioneering in its investigation of electroweak particle production in R-parity violating supersymmetric models, particularly examining hadronically decaying mass-degenerate higgsinos, and it broadens the limits on the existence of R-parity violating top squarks and gluinos.
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The contamination of water by per- and polyfluorinated substances (PFAS) is a pressing global issue due to their harmful effects on health and the environment. This study explores a cationic covalent organic framework (COF), TG-PD COF, for the efficient detection and removal of perfluorooctanoic acid (PFOA) from water. Synthesized via a simple sonochemical method, TG-PD COF shows remarkable selectivity and sensitivity to PFOA, with a detection limit as low as 1.

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Objective: We test whether the specialized pro-resolving molecule Maresin 1 (MaR1) attenuates nociceptive behaviors in mice with osteoarthritis-like pain.

Design: Osteoarthritis (OA)-like pain behavior was induced by intra-articular injection of monosodium iodoacetate (MIA) and treated with MaR1 (N=6) or vehicle (N=5) by intraperitoneal injection 8 weeks after injury. Mice without MIA injection were used as control (N=6).

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The present study employs equilibrium molecular dynamics simulations to explore the potential mechanism for controlling friction by applying electrostatic fields in nanoconfined aqueous electrolytes. The slip friction coefficient demonstrates a gradual increase corresponding to the surface charge density for pure water and aqueous electrolytes, exhibiting a similar trend across both nanochannel walls. An expression is formulated to rationalize the observed slip friction behavior, describing the effect of the electric field on the slip friction coefficient.

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Article Synopsis
  • Developing a cost-effective and efficient electrocatalyst for hydrogen and oxygen evolution reactions is a significant research challenge due to its potential in energy storage and conversion.
  • This study presents two types of covalent organic networks synthesized from isoindigo: a crystalline 2D framework (I-TTA COF) and an amorphous fibrous polymer (I-TG COP).
  • The I-TTA COF demonstrates superior electrocatalytic performance, achieving a current density of 10 mA cm-2 with minimal overpotentials for both HER and OER while maintaining its activity after extensive testing.
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The first search for soft unclustered energy patterns (SUEPs) is performed using an integrated luminosity of 138  fb^{-1} of proton-proton collision data at sqrt[s]=13  TeV, collected in 2016-2018 by the CMS detector at the LHC. Such SUEPs are predicted by hidden valley models with a new, confining force with a large 't Hooft coupling. In events with boosted topologies, selected by high-threshold hadronic triggers, the multiplicity and sphericity of clustered tracks are used to reject the background from standard model quantum chromodynamics.

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Background: Graphophonological semantic flexibility (GSF) is a reading-specific cognitive flexibility that allows an individual to process a print's phonological and semantic elements simultaneously. The study aimed to explore the developmental profile of GSF in typical readers.

Method: Ninety typically developing children, ages 8 to 11 years, were recruited and divided into three age groups: 8, 9, and 10.

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Introduction: Numerous theories have been proposed to substantiate the etiopathogenesis of depression. Recently, the hypothesis involving the oxidative stress (OS) pathway has been explored. Hence, potential markers are also being investigated for their role in depression.

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Benign paroxysmal positional vertigo (BPPV) is the most common cause for vertigo. It is diagnosed by the characteristic nystagmus induced by provocative positional tests. During these positional tests the patient experiences spinning vertigo and neurovegetative symptoms such as nausea and vomiting.

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  • The study examines how friction between the wall and fluid influences electro-osmotic flows in a system of cations and neutral solvent particles.
  • It introduces a theoretical model predicting a maximum flow rate that depends on the relationship between wall-fluid friction and electrostatic screening length.
  • The results, validated through molecular dynamics simulations, show that applying the right slip boundaries leads to alignment between standard hydrodynamic theory and simulation data for nanoscale charged systems.
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Introduction: Prehospital capabilities are inadequately developed to meet the growing needs for emergency care in most low- and middle-income countries. This study aims to describe the prehospital care received by the road traffic injury (RTI) victims presenting to a level I Trauma Care Center in Central Kerala, India.

Methods: This was a hospital-based prospective observational study, which included consecutive victims of RTI attending the emergency department within 24-h of the event.

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The human gut microbiome is a complex ecosystem of microorganisms that can influence our health and exercise habits. On the other hand, physical exercise can also impact our microbiome, affecting our health. Our narrative review examines the bidirectional relationship between physical activity and the gut microbiome, as well as the potential for targeted probiotic regimens to enhance sports performance.

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An economical, rapid, and ultrasensitive detection of biomolecules in clinical settings is very crucial, particularly for the early detection of Cardiac Troponin I (cTnI), which is the gold standard biomarker for Acute Myocardial Infarction (AMI). Electrochemiluminescence (ECL) has risen in prominence as an important technique for in vitro diagnosis and detection by virtue of its high sensitivity reaching a femtomolar level. This study introduces an economically feasible nanoplatform for ECL immunosensing, consisting of a gold nanoparticle (AuNP) with Ru(bpy) and tripropylamine (TPA) system, which is a potential ECL luminophore and coreactant system.

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