Publications by authors named "Singh U"

Clinical and genetic studies strongly support a significant connection between nonalcoholic fatty liver disease (NAFLD) and atherosclerotic cardiovascular disease (ASCVD) and identify ASCVD as the primary cause of death in NAFLD patients. Understanding the molecular factors and mechanisms regulating these diseases is critical for developing novel therapies that target them simultaneously. Our preliminary immunoblotting experiments demonstrated elevated expression of nidogen 2 (NID2), a basement membrane glycoprotein, in human atherosclerotic vascular tissues and murine steatotic livers.

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Rationale: Approximately 85% Hereditary angioedema (HAE) attacks are associated with prodromal symptoms. We investigated the clinical effect of treating HAE-C1 inhibitor (HAE-C1INH) Type 1 patients with Conestat Alfa® (recombinant human C1-INH) during their prodrome versus an active swelling episode and associated changes in blood transcriptomic genes and pathways pre- vs. post-treatment.

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Background: Recent smooth muscle cell (SMC)-lineage tracing and single-cell RNA sequencing (scRNA-seq) experiments revealed a significant role of SMC-derived cells in atherosclerosis development. Further, thrombospondin-1 (TSP1), a matricellular protein, and activation of its receptor cluster of differentiation (CD) 47 have been linked with atherosclerosis. However, the role of vascular SMC TSP1-CD47 signaling in regulating VSMC phenotype and atherogenesis remains unknown.

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Neuroendocrine tumours (NETs) primarily affect the lungs and larynx. Primary neuroendocrine carcinomas (NECs) rarely occur in the oral cavity. The classification of these tumours is ambiguous; however, the literature acknowledges their aggressiveness.

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Background And Aims: The conventional CE clamp technique may not effectively provide bag-mask ventilation (BMV) in the hands of inexperienced providers. Hence, we compared the efficacy of two-handed CE versus a hybrid technique.

Methods: One hundred thirty-two American Society of Anesthesiologists (ASA) I-II adult patients were randomised into groups A and B.

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Pesticides including insecticides are often applied to prevent distortion posed by plant insect pests. However, the application of these chemicals detrimentally affected the non-target organisms including soil biota. Fipronil (FIP), a broad-spectrum insecticide, is extensively used to control pests across the globe.

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  • In India, 13% of newborns are preterm, contributing to a significant portion (23.4%) of global preterm births.
  • A study was conducted analyzing 600 high vaginal swab samples from pregnant women across all trimesters to compare microbiome differences between those who delivered at term and those with preterm births.
  • The research identified specific microbial signatures linked to term and preterm births and developed a simple dipstick assay for quick identification of preterm-associated bacteria in low-resource settings.
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Purpose: Nonunion of bicondylar tibial plateau (BTP) fractures following open reduction internal fixation (ORIF) is rare but challenging. We report a case series of aseptic BTP nonunions, approaches to treatment, and long-term outcomes.

Methods: Retrospective case series of aseptic nonunion in operatively treated BTP fractures.

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  • * The ST2/IL-33 pathway promotes immune tolerance by expanding regulatory T cells but also triggers proinflammatory cytokine production for immune defense and tissue repair.
  • * Researchers developed improved ST2 inhibitors that effectively reduced ST2 upregulation and IL-1β release in human mast cells, suggesting potential for treating diseases mediated by mast cells.
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The rapid expansion of digital media has sparked significant concerns regarding the swift dissemination and potential misuse of forged video content. Existing forgery detection technologies primarily focus on simple forgeries and are still evolving, resulting in a critical gap in the detection of multilevel forgeries, where one forgery is layered over another. This paper presents an innovative framework designed to address this challenge by extracting intricate features from forged frames using attention-augmented convolutional neural networks (AACNNs).

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Unlabelled: Malaria is a significant global public health issue, particularly prevalent in Africa, Asia, and Latin America, necessitating urgent research into novel and efficient therapies. In the current research, we have designed pyridine substituted pyrazole 1,3,5-triazine derivatives as antimalarials. A library including 300 compounds, designated as (-), has been generated using a variety of aliphatic and aromatic amines.

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The Food and Agricultural Organization of the United Nations (FAO) estimates that food production must rise by 70% to meet the demands of an additional 2.3 billion people by 2050. This forecast underscores the persistent reliance on pesticides, making it essential to assess their toxicity and develop effective remediation strategies.

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The protozoan parasite has a life cycle that switches between infective cysts and invasive trophozoites. Encystation, a crucial process in parasite biology, is controlled by different mechanisms including transcriptional control. We identified two nuclear proteins in , EIN_066100 and EIN_085620, that regulate parasite development by binding to a DNA motif (TCACTTTC) in the promoter regions of genes upregulated in the first 8 h of stage conversion.

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This manuscript addresses a critical topic: navigating complexities of conducting clinical trials during a pandemic. Central to this discussion is engaging communities to ensure diverse participation. The manuscript elucidates deliberate strategies employed to recruit minority communities with poor social drivers of health for participation in COVID-19 trials.

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  • Urinary N, N-diacetylspermine (DAS) is a low-concentration biomarker for colorectal cancer, but current detection methods are complex and costly, creating a demand for simpler alternatives, especially for low-resource settings.
  • This study introduces an efficient, inexpensive colorimetric assay using recombinant diacetylspermine oxidase (rDAS Ox) to oxidize DAS, which produces hydrogen peroxide and generates a pink color proportional to DAS levels in urine.
  • A novel two-column ion exchange resin protocol was developed to remove interfering metabolites and concentrate DAS, enabling detection of as little as 1 μM DAS and demonstrating effective correlation with known DAS concentrations in urine samples.
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  • Sex differences in COVID-19 outcomes show that men experience greater severity and mortality during acute infection, while women are more likely to develop Long Covid (LC).
  • The study analyzed blood samples from 45 participants to explore how immune responses differ between men and women in relation to LC development, identifying sex-specific immune pathways.
  • Findings revealed that men who later developed LC had increased TGF-β signaling, while women had reduced signaling and elevated RNA associated with autoimmunity during acute infection, indicating distinct immune changes that could inform targeted treatments.
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Introduction: Stevens-Johnson Syndrome (SJS) is a rare but severe mucocutaneous reaction often triggered by medications or infections, characterized by extensive epidermal detachment and mucosal involvement. This condition poses a high risk of morbidity and mortality, requiring prompt recognition and treatment.

Case Presentation: An 18-year-old Asian female from eastern Nepal presented with nonitchy red spots, high fever, and significant discomfort following the administration of ibuprofen for minor sores.

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  • The study aimed to assess the relationship between fibroid vascularization and heavy menstrual bleeding (HMB) using 3D power Doppler and superb microvascular imaging (SMI) in 75 women, dividing them into those with HMB and those without.
  • Results revealed that women with HMB had significantly higher flow rates (peak systolic and end-diastolic velocities) and lower resistance indices in the dominant fibroid's feeding vessel compared to those without HMB.
  • SMI analysis showed a stark contrast in vascularity grades, with 72% of women with HMB exhibiting higher vascularity compared to only 4% in the non-HMB group, highlighting the association between fibroid vascularity and HMB.
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  • * The research introduces the impact of these EVs on THP-1 differentiated macrophages, revealing that they are taken up by the cells and alter the expression of key cytokines linked to immune responses.
  • * Additionally, the EVs cause macrophages to lower their energy production by inhibiting processes like oxidative phosphorylation, suggesting that parasite-derived EVs play a significant role in shaping the immune response and could influence the course of infection.
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Pesticides including insecticides are applied in agricultural practices to control insect pests. However, their excessive usage often poses a severe threat to the growth, physiology, and biochemistry of plants. Here, responses of chickpea and greengram seedlings exposed to three fipronil (FIP) concentrations i.

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Background: Tyrosine kinase inhibitors improve chronic myeloid leukemia (CML) outcomes. Dasatinib inhibits breakpoint cluster region-Abelson 1 proto-oncogene tyrosine kinase better than imatinib in CML. T-regulatory cells prevent autoimmune diseases and aberrant immune responses by reducing oncoprotein antigen reactivity.

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  • A study was conducted to evaluate the effectiveness of montelukast versus a placebo in helping outpatients with mild to moderate COVID-19 recover from symptoms more quickly.
  • The trial included 1,250 participants over 30 years old with confirmed COVID-19 symptoms for less than a week, who were randomly assigned to receive either montelukast or a placebo for 14 days.
  • Results showed no significant difference in recovery time between the montelukast and placebo groups, with both groups having a median recovery time of 10 days and no reported deaths.
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While ester-based phosphonate prodrugs excel at delivering payloads into cells, their instability in plasma is a hurdle for their advancement. Here, we synthesized new aryl/acyloxy prodrugs of a phosphonate BTN3A1 ligand. We evaluated their phosphoantigen potency by flow cytometry and ELISA and their plasma and cellular metabolism by LC-MS.

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