Publications by authors named "Aggarwal M"

Endoscopic ultrasound (EUS)-guided tissue sampling includes the techniques of fine needle aspiration (FNA) and fine needle biopsy (FNB), and both procedures have revolutionized specimen collection from the gastrointestinal tract, especially from remote/inaccessible organs. EUS-FNB has replaced FNA as the procedure of choice for tissue acquisition in solid pancreatic lesions (SPLs) across various society guidelines. FNB specimens provide a larger histological tissue core (preserving tissue architecture) with fewer needle passes, and this is extremely relevant in today's era of precision and personalized molecular medicine.

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Importance: During the 2023-2024 respiratory syncytial virus (RSV) season in the United States, 2 new RSV prevention products were recommended to protect infants in their first RSV season: nirsevimab and Pfizer's maternal RSV vaccine. Postlicensure studies are needed to assess prevention product impact and effectiveness.

Objective: To compare the epidemiology and disease burden of medically attended RSV-associated acute respiratory illness (ARI) among children younger than 5 years during the 2023-2024 RSV season with 3 prepandemic RSV seasons (2017-2020), estimate nirsevimab effectiveness against medically attended RSV-associated ARI, and compare nirsevimab binding site mutations among circulating RSV in infants with and without nirsevimab receipt.

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Background: Impaired pulmonary function carries significant risks for lung, cardiovascular, and metabolic disorders.

Research Question: Can circulating protein biomarkers of pulmonary function provide insight into the pathophysiologic features of lung function impairment and links to comorbidities?.

Study Design And Methods: We analyzed plasma levels of 2,922 proteins in 32,493 UK Biobank participants (53% female; mean [SD] age, 57 [8] years) to investigate their associations with spirometry measures of lung function (FEV, FVC, FEV to FVC ratio), and with obstructive (n = 4,713) and restrictive (n = 3,886) spirometry patterns.

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  • A systematic study has been conducted on how nuclear deformation affects the half-lives of proton decay in nuclei with atomic number Z<82, examining the relationship between 1p-decay half-lives and the shapes of both parent and daughter nuclei.
  • The research incorporates the nuclear deformations of the emitters and residues to create a new semi-empirical formula that accurately estimates 1p-decay half-lives, reliably predicting measured values and aiding in forecasting other potential proton emitters.
  • The phenomenon of shape coexistence in proton emitters and their daughter nuclei introduces additional factors affecting half-life estimations, as it creates secondary minima in potential energy surfaces and adds new decay pathways
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Cardiovascular disease (CVD) and cardiometabolic risk (CMR) are highly prevalent globally. The interplay between CVD/CMR and COVID-19 morbidity and mortality has been intensely studied over the last three years and has yielded some important discoveries and warnings for public health. Despite many advances in cardiovascular medicine, CVD continues to be the global leading cause of death.

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  • This systematic review and meta-analysis evaluates the effectiveness of UroVysion FISH testing in detecting pancreaticobiliary malignancy by analyzing various definitions of a positive result from different studies.
  • The review included data from 18 studies with a total of 2,516 FISH specimens, identifying 1,133 cases (45.0%) of malignancy, while reporting an overall sensitivity of 57.6% and specificity of 87.8% across studied definitions.
  • Results indicated that using polysomy alone as a positive threshold provided high specificity (96.2%) but lower sensitivity (49.4%), whereas combining polysomy with tetrasomy/trisomy improved sensitivity to 64.3% but reduced specificity
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  • Mesenchymal stem cells (MSCs) have shown promise for treating diseases with immune disorders, such as Graft-versus-Host-Disease (GVHD), and their effectiveness depends on how they behave after administration.
  • The study involved deriving human MSCs from bone marrow and Wharton's Jelly, preconditioning them in low-oxygen environments, and assessing their impact on immune responses, particularly looking at T cell behavior and macrophage polarization.
  • Results indicated that MSCs preconditioned through hypoxia and apoptosis (especially those from Wharton's Jelly) had superior immune-modulating abilities, improving Treg differentiation and shifting macrophages toward a more anti-inflammatory state, suggesting a novel approach for treating aGVHD.
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  • Cellular senescence contributes to age-related diseases and tauopathies, making it a target for potential therapies.
  • This study explored the effectiveness of a senolytic therapy (dasatinib and quercetin) on a tauopathy mouse model, revealing improvements in brain health and cognitive function.
  • Non-invasive MRI techniques were used to monitor brain changes, showing that the treatment preserved blood-brain barrier integrity and reduced brain atrophy, suggesting that this therapy could be promising for clinical trials in tauopathy disorders.
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Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm (MPN characterized by reciprocal translocation in the ABL1 and BCR region of chromosomes 9 and 22 respectively. Progression to the blast phase in chronic myeloid leukemia results in a poorer prognosis. It can be of either myeloid, lymphoid or a mixed lineage.

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Objective: To explore definitions of provider-patient attachment in primary care (PC) and help inform a universal definition of provider-patient attachment.

Data Sources: Comprehensive searches were conducted using the electronic databases MEDLINE (Ovid), PubMed, CINAHL (EBSCO), PsycInfo (Ovid), Social Sciences Abstracts (EBSCO), Cochrane Library, Scopus, Embase (Ovid), Google Scholar, and ResearchGate.

Study Selection: A scoping review was conducted.

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  • * Our food system is influenced by complex agricultural practices and human behaviors, requiring a deeper understanding and reforms in nutrition education, food insecurity, and nutritional security.
  • * Plant-forward diets are highlighted as a key solution to improve individual health and environmental sustainability, linking human health and planetary health through better dietary practices.
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  • * Investigations showed elevated eosinophil counts and serum IgE levels, leading to a diagnosis of eosinophilic pneumonia after other causes were ruled out.
  • * The condition was linked to the medication topiramate, which he started for alcohol withdrawal seizures, and stopping the drug resolved all symptoms and imaging abnormalities.
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Background And Objectives: Endoscopic ultrasound-guided biliary drainage (EUS-BD) is a viable alternative in cases with failed ERCP transpapillary drainage (ERCP-TPD). This systematic review and meta-analysis aimed to compare the efficacy and safety of EUS-BD and ERCP-TPD for primary biliary drainage in patients with distal malignant biliary obstruction (DMBO).

Methods: We searched Embase, PubMed, and Medline databases for studies comparing EUS-BD and ERCP-TPD in DMBO, from inception until September 2023.

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Background: Adverse events following immunization (AEFI) must be reported and assessed to promote patient safety. This longitudinal study examined the nature and severity of adverse events reported after Covishield (Serum Institute of India, Pune, India) vaccine administration to North Indians in a tertiary care hospital.

Method: A retrospective evaluation of adverse drug reactions (ADRs) reported after Covishield vaccine administration in our hospital over 18 months was conducted.

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Background And Aims: Blood-based biomarkers for hepatocellular carcinoma (HCC) and its recurrence are lacking. We previously showed that hepatic γ-hydroxy-1, -propano-2'-deoxyguanosine (γ-OHPdG), an endogenous DNA adduct derived from acrolein by lipid peroxidation, increased during hepatocarcinogenesis. Additionally, higher hepatic γ-OHPdG from HCC patients after surgery were strongly associated with poor survival ( < .

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  • DADA2 is a genetic disorder similar to polyarteritis nodosa that affects children, and this study focuses on describing its clinical presentation and outcomes among Indian patients.* -
  • A total of 16 children with DADA2 were studied, showing common symptoms like fever and rash, with over half experiencing CNS strokes; they were treated with immunomodulators like steroids and anti-TNF agents.* -
  • Most children responded positively to treatment, achieving remission, and the study highlights key differences between DADA2 and classic polyarteritis nodosa, especially in terms of age of onset and CNS involvement.*
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The growing prevalence of MDR and XDR bacterial pathogens is posing a critical threat to global health. Traditional antibiotic development paths have encountered significant challenges and are drying up thus necessitating innovative approaches. Drug repurposing, which involves identifying new therapeutic applications for existing drugs, offers a promising alternative to combat resistant pathogens.

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Background: The towering peaks of the Himalayas lie in troves of captivating hill destinations, especially in India. Each destination aims to provide tourists with unique experiences and breath-taking landscapes. Understanding the tapestry of factors that weave the allure of these destinations and draw visitors from diverse backgrounds remains intriguing.

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Undernutrition is one of the largest persistent global health crises, with nearly 1 billion people facing severe food insecurity. Infectious disease represents the main underlying cause of morbidity and mortality for malnourished individuals, with infection during malnutrition representing the leading cause of childhood mortality worldwide. In the face of this complex challenge, simple refeeding protocols have remained the primary treatment strategy.

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Molecular hosts with functional cavities can emulate enzymatic behavior through selective encapsulation of substrates, resulting in high chemo-, regio-, and stereoselective product formation. It is still challenging to synthesize enzyme-mimicking hosts that exhibit a narrow substrate scope that relies upon the recognition of substrates based on the molecular size. Herein, we introduce a Pd self-assembled water-soluble molecular capsule [ ] () that was formed through the self-assembly of a ligand (4',4‴'-(1,4-phenylene)bis(1',4'-dihydro-[4,2':6',4″-terpyridine]-3',5'-dicarbonitrile)) with the acceptor -[(en)Pd(NO)] [en = ethane-1,2-diamine] ().

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Leaf springs are designed to bear loads as well as shocks in automotive vehicles. Two leaves of glass fiber-reinforced composites (GFRCs) of various shapes sandwiched between steel plates were analyzed for application in a minitruck. Computer-aided engineering analysis was performed for five different types of GFRC material leaf springs: flat leaf, flat and parabolic leaf, both parabolic leaf, both parabolic leaf springs with aluminium alloy bushes at the eye-end and spring steel multi-leaf springs.

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Background: Existing literature overlooks the role of gender and race on research productivity, particularly in the context of primary care research. This study examines how gender and race influence the research productivity of primary care researchers in Canada, addressing a gap in existing literature.

Methods: Qualitative, descriptive methods were used, involving 60-min interviews with 23 Canadian primary care researchers.

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