Publications by authors named "Nair V"

Introduction: With reports of expanding epidemiology of blastomycosis across the United States, the purpose of this study was to evaluate the incidence and outcomes associated with blastomycosis in solid organ transplant (SOT) and hematopoietic cell transplant (HCT) recipients.

Methods: We conducted a retrospective case series of adult SOT and HCT recipients at a tertiary care medical center between January 1, 2005 and September 30, 2023. Cases were defined as culture-proven blastomycosis.

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(1) Background: The objectives of this study were to assess survival of patients with a diagnosis of brain metastases secondary to gynaecologic malignancy and the impact of clinicopathological factors on prognosis in this population. (2) Methods: A retrospective cohort of patients with gynaecologic cancers diagnosed with brain metastases treated with radiation at a tertiary care centre from 1 January 2004 until 30 September 2023 was studied. Kaplan-Meier method and log-rank test were used to evaluate survival, and cox regression was used to identify significant predictive factors of survival.

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Objectives: In 2020, the public health crises of gun violence and novel coronavirus (COVID-19) collided and interventions to decrease COVID-19 transmission displaced millions of Americans from normal activity. We analyzed the effects of COVID-19 and its resultant shutdowns on gun violence in Buffalo, NY.

Methods: We queried the Gun Violence Archive (GVA) and the hospital databases from the 2 level 1 trauma centers which serve Buffalo firearm victims between March 15th and June 24th, 2020 ("COVID") and the same time period for years 2013 (hospital data)/2014 (GVA data) through 2019 ("pre-COVID") and 2021 through 2022 ("post-COVID").

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Waldenström macroglobulinemia (WM) is a rare lymphoproliferative malignancy presenting with para-proteinemia. The symptoms are attributable to both lymphoproliferation and IgM flare. Gastrointestinal manifestations are not uncommon.

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Objectives: To determine oxygen saturation (SpO) values and their variability in healthy-term neonates at high altitude.

Methods: In a prospective multisite, non-randomized blinded study, we performed SpO measurements in healthy neonates admitted to postnatal wards and followed up in Public Health Nurse Clinics (PHNC) in Calgary, Alberta, Canada. We recruited healthy-term neonates (≥37 weeks) between 6 and 24 h of age.

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Introduction: Tibial plateau fractures, which constitute approximately 1% of all fractures with an incidence of 10.3/100,000 annually, result from varus or valgus forces combined with axial loading in the knee. These fractures display a bimodal distribution, affecting younger individuals through high-velocity trauma and older individuals through low-energy trauma.

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Interstitial pregnancy accounts for only 2%-4% of all ectopic pregnancies, however, it is associated with higher mortality rates as compared to other ectopic pregnancies, due to the associated risk of uterine rupture, and hemorrhage. A 35-year-old gravida 4 abortion 3 woman reported at the 8 week of gestation for antenatal care with comorbidity of protein C and protein S deficiency and recurrent pregnancy loss with for routine care. She was diagnosed as a case of interstitial pregnancy by transvaginal sonography and magnetic resonance imaging.

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Parthanatos is distinct from caspase-dependent apoptosis in that it does not necessitate the activation of caspase cascades; Instead, it relies on the translocation of Apoptosis-inducing Factor (AIF) from the mitochondria to the nucleus, resulting in nuclear DNA fragmentation. Newcastle Disease Virus (NDV) is an oncolytic virus that selectively targets and kills tumor cells by inducing cell apoptosis. It has been reported that NDV triggers classic apoptosis through the mitochondrial pathway.

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Article Synopsis
  • The study examines the rising rates of early onset colorectal cancer (EOCRC) among African American patients, highlighting significant differences between EOCRC (<45 years) and late-onset colorectal cancer (LOCRC) (>45 years) in terms of demographics and clinical presentation.
  • It found that EOCRC cases increased from just over 6% to over 13% of total CRC cases since 2010, with a higher family history of CRC and different symptom profiles, such as more abdominal pain and changes in bowel habits.
  • The study also noted that EOCRC patients had a higher rate of metastasis at diagnosis and took longer to undergo surgery compared to LOCRC patients.
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Diabetic kidney disease (DKD) is the leading cause of end stage kidney failure worldwide, of which cellular insulin resistance is a major driver. Here, we study key human kidney cell types implicated in DKD (podocytes, glomerular endothelial, mesangial and proximal tubular cells) in insulin sensitive and resistant conditions, and perform simultaneous transcriptomics and proteomics for integrated analysis. Our data is further compared with bulk- and single-cell transcriptomic kidney biopsy data from early- and advanced-stage DKD patient cohorts.

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Introduction: Diabetic kidney disease (DKD) is a common cause of chronic kidney disease with around 25-40% of patients with diabetes being affected. The course of DKD is variable, and estimated glomerular filtration rate (eGFR) and albuminuria, the currently used clinical markers, are not able to accurately predict the individual disease trajectory, in particular in early stages of the disease. The aim of this study was to assess the association of urine levels of selected protein biomarkers with the progression of DKD at an early stage of disease.

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Implications of epicardial adipose tissue (EAT) on the development of coronary artery disease (CAD) have garnered recent attention. Located between the myocardium and visceral pericardium, EAT possesses unique morphological and physiological contiguity to the heart. The transcriptome and secretome of EAT differ from that of other fat stores in the body.

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Eco-friendly natural fiber composites, such as basalt fiber composites, are gaining traction in material science but remain vulnerable to environmental degradation. This study investigates the mechanical and vibrational properties of quasi-isotropic basalt fiber composites subjected to aging in two different environments: ambient (30 ºC) and subzero (-10 ºC), both in distilled water until moisture saturation. Aged specimens absorbed 8.

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Objective: Application of cluster analytic procedures has advanced understanding of the cognitive heterogeneity inherent in diverse epilepsy syndromes and the associated clinical and neuroimaging features. Application of this unsupervised machine learning approach to the neuropsychological performance of persons with juvenile myoclonic epilepsy (JME) has yet to be attempted, which is the intent of this investigation.

Methods: A total of 77 JME participants, 19 unaffected siblings, and 44 unrelated controls, 12 to 25 years of age, were administered a comprehensive neuropsychological battery (intelligence, language, memory, executive function, and processing speed), which was subjected to factor analysis followed by K-means clustering of the resultant factor scores.

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An antibody-based HIV-1 vaccine will require the induction of potent cross-reactive HIV-1-neutralizing responses. To demonstrate feasibility toward this goal, we combined vaccination targeting the fusion-peptide site of vulnerability with infection by simian-human immunodeficiency virus (SHIV). In four macaques with vaccine-induced neutralizing responses, SHIV infection boosted plasma neutralization to 45%-77% breadth (geometric mean 50% inhibitory dilution [ID] ∼100) on a 208-strain panel.

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A cytokine storm is an intense inflammatory response characterized by the overproduction of proinflammatory cytokines, resulting in tissue damage, and organ dysfunction. Cytokines play a crucial role in various conditions, such as coronavirus disease, in which the immune system becomes overactive and releases excessive levels of cytokines, including interleukins, tumor necrosis factor-alpha (TNF-α), and interferon-gamma (IFN-γ). This anomalous response often leads to acute respiratory distress syndrome (ARDS), disseminated intravascular coagulation (DIC), and multiple organ injury (MOI).

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Article Synopsis
  • Current methods for assessing disease severity and progression in Chronic Kidney Disease (CKD) are limited, prompting a study that highlights FERM-domain containing protein 3 (FRMD3) as a key candidate for further research.
  • Using RNA sequencing, the study analyzed CKD biopsies and correlated gene expression with clinical indicators, discovering 93 genes related to CKD severity and progression, including FRMD3.
  • Further investigation into FRMD3 showed its importance in cell structure and health, with knockdown experiments indicating its role in preventing cell death and maintaining cell junction integrity.
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BACKGROUNDIn type 1 diabetes (T1D), impaired insulin sensitivity may contribute to the development of diabetic kidney disease (DKD) through alterations in kidney oxidative metabolism.METHODSYoung adults with T1D (n = 30) and healthy controls (HCs) (n = 20) underwent hyperinsulinemic-euglycemic clamp studies, MRI, 11C-acetate PET, kidney biopsies, single-cell RNA-Seq, and spatial metabolomics to assess this relationship.RESULTSParticipants with T1D had significantly higher glomerular basement membrane (GBM) thickness compared with HCs.

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Non-specific amplification (NSA, amplification in the absence of a target analyte) in bioanalytical rolling circle amplification (RCA) assays, especially those involving pre-synthesized circular DNA (cDNA), affects its analytical sensitivity. Despite extensive development of RCA-based bioanalytical methods, the NSA in RCA remains uncharacterized in terms of its magnitude or origin. NSA may originate from inefficient ligation or succeeding cDNA purification steps.

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Platelet shape and volume changes are early mechanical events contributing to platelet activation and thrombosis. Here, we identify single-nucleotide polymorphisms in Leucine-Rich Repeat Containing 8 (LRRC8) protein subunits that form the Volume-Regulated Anion Channel (VRAC) which are independently associated with altered mean platelet volume. LRRC8A is required for functional VRAC in megakaryocytes (MKs) and regulates platelet volume, adhesion, and agonist-stimulated activation, aggregation, ATP secretion and calcium mobilization.

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  • This study focuses on improving the solubility and permeability of a BCS Class IV drug by developing self-emulsifying solid lipid matrices as a new form of drug delivery system.
  • Self-emulsifying drug delivery systems (SEDDS) are helpful for poorly soluble drugs but face manufacturing challenges like low drug loading and stability issues.
  • The research explores using a single-step extrusion process to create solid self-emulsifying granules with higher drug loading, which demonstrated significantly improved solubility and permeability, enhancing the potential for effective drug delivery.
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  • Hydatid disease is a rare parasitic infection, especially in the head and neck region, and can lead to cystic formations that can cause various symptoms due to their size or rupture.
  • A 38-year-old male presented with recurrent ear issues and headaches, and imaging revealed cystic lesions affecting both the temporal bone and intracranial structures.
  • The patient underwent surgery and received medical treatment with Albendazole, resulting in a successful outcome as he remained asymptomatic one year post-surgery.
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