Publications by authors named "Sharma S"

Article Synopsis
  • During the 2023 soybean growing season in South Dakota, wilting symptoms and blighted leaves were observed in soybean plants, prompting the collection of symptomatic samples for pathogen identification.
  • Researchers used a method involving surface sterilization and incubation on wet filter paper, leading to fungal growth and isolation of a pathogen identified as Fusarium luffae with high genetic similarity to known strains.
  • The pathogenicity of the isolated fungus was assessed through spray inoculations on soybean leaves and plants, indicating its potential impact on soybean crops.
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  • AZD5991 is a drug being tested for safety and effectiveness in patients with relapsed or refractory blood cancers, both by itself and alongside another drug called venetoclax.
  • The clinical trial involved 61 patients receiving varying doses of AZD5991, while 17 patients took it in combination with venetoclax, focusing on determining safe dosage levels and any anti-cancer effects.
  • Results showed significant side effects such as diarrhea and nausea, with a low overall response rate to treatment, despite a few patients achieving partial or complete remission.
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Single Nucleotide Polymorphisms (SNPs) are key in understanding complex diseases. Nonsynonymous single-nucleotide polymorphisms (nsSNPs) occur in protein-coding regions, potentially altering amino acid sequences, protein structure and function. Computational methods are vital for distinguishing deleterious nsSNPs from neutral ones.

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Facial pain is a common but complex complaint, frequently associated with dental issues or temporomandibular disorder (TMD). However, rare aetiologies can complicate conventional diagnoses and treatment approaches. We present a case of a 36-year-old male with persistent jaw pain and restricted mandibular movement, initially managed as a typical TMD case.

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Background This study aimed to explore the potential efficacy and safety of laser therapy compared with traditional desensitizing treatments in the management of dentin hypersensitivity. Methodology A comprehensive observational study was conducted on 138 adult individuals aged 18-65 diagnosed with dentin hypersensitivity. Participants were allocated to either the laser therapy or traditional treatment group.

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  • The study assessed how Research Ethics Committees (RECs) in seven Asian countries responded to the challenges posed by COVID-19 under tight timelines and public pressure.
  • A survey involving 688 REC members and 197 chairs/secretaries revealed that while most RECs had standard operating procedures, many lacked experience in reviewing COVID-19 related protocols, with 93% of members needing additional training.
  • SR-RECs demonstrated better adherence to ethical guidelines and faced more specific challenges in risk assessment and informed consent compared to NSR-RECs, highlighting the importance of established ethical review processes during health crises.*
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Hypomyelinating leukodystrophies (HLDs) are a heterogeneous group of white matter diseases characterized by permanent deficiency of myelin deposition in brain. MRI is instrumental in the diagnosis and recommending genetic analysis, and is especially useful as many patients have a considerable clinical overlap, with the primary presenting complains being global developmental delay with psychomotor regression. Hypomyelination is defined as deficient myelination on two successive MR scans, taken at least 6 months apart, one of which should have been obtained after 1 year of age.

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BACKGROUND Coagulopathies can manifest on a spectrum, from minor mucosal bleeding to life-threatening hemorrhage. Minor cases can be discovered in the setting of known risk factors, such as malignancy, old age, immunosuppression. However, acquired hemophilia A diagnosed after a snake bite is of lesser-known incidence and can present in a more acute, potentially life- or limb-threatening fashion.

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Association between measurable residual disease (MRD) and survival outcomes in chronic lymphocytic leukemia (CLL) has often been reported. However, limited quantitative analyses over large datasets have been undertaken to establish the predictive power of MRD. Here, we provide a comprehensive assessment of published MRD data to explore the utility of MRD in the prediction of progression-free survival (PFS).

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Due to the inherent high electronegativity of fluorine, perfluorocarbons have the potential to exhibit unusual characteristics. Fluorous solvents, in this context, may afford an anomalous solubilizing behavior compared to their hydrocarbon analogues. Addition of perfluorodecalin (PFD) to -hexane results in unusual fluorescence quenching of polycyclic aromatic hydrocarbons (PAHs) by the quencher nitromethane.

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Background: Preeclampsia is one of the important causes of maternal and fetal mortality and morbidity. One of the important risk factors for the development of diabetes is insulin resistance (IR).

Aims: To evaluate the association of IR with pregnancy-induced hypertension (PIH) and its severity.

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Liposomes, made up of phospholipid bilayers, are efficient nanocarriers for drug delivery because they can encapsulate both hydrophilic and lipophilic drugs. Conventional cancer treatments sometimes involve considerable toxicities and adverse drug reactions (ADRs), which limits their clinical value. Despite liposomes' promise in addressing these concerns, clinical trials have revealed significant limitations, including stability, targeted distribution, and scaling challenges.

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Liquiritin (LIQ), a bioactive flavonoid from Glycyrrhiza species, has shown significant potential in cancer therapy. LIQ exhibits potent inhibitory effects on various cancer cell types, including breast, lung, liver, and colon cancers, while demonstrating low toxicity towards healthy cells. Its anticancer mechanisms include inducing cell cycle arrest, promoting apoptosis, and modulating inflammation-related pathways.

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Bicyclic quinazolinone constitutes an important class of organic framework enveloping numerous biological properties which enthused organic and medicinal chemists to explore green synthetic strategies for the construction of quinazolinone hybrids with significantly improved pharmacodynamics and pharmacokinetic profiles. In this perspective, the present review summarizes the most recent green synthetic strategies, biological properties, structure-activity relationship, and molecular docking studies of the 4-quinazolinone-based scaffold. This review provides deeper insight into the hit-to-lead synthesis of quinazolinone derivatives in the development of clinically important therapeutic candidates.

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We present an electrochemical alkylation of azauracils using -(acyloxy)phthalimides (NHPI esters) as readily available alkyl radical progenitors under metal- and additive-free conditions. Several azauracils are shown to undergo alkylation with an array of NHPI esters (1°, 2°, 3°, and sterically congested), providing the desired products in good to excellent yields. This operationally simple method is robust, scalable, and suitable for both batch and flow setups.

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Article Synopsis
  • Severe alcoholic hepatitis (SAH) is a critical condition with limited treatment options, and fecal microbiota transplantation (FMT) is being explored as a potential therapy.
  • A meta-analysis of six studies involving 371 SAH patients found that those receiving FMT had significantly better survival rates at 1 and 3 months compared to those receiving standard care.
  • However, the survival benefits of FMT diminished after 6 months, suggesting a need for further research into its long-term effectiveness and ways to maintain these benefits.
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Radioactive effluents, originating from nuclear power plants, medical-nuclear applications, and various extraction industries worldwide, present a significant and dangerous contamination challenge. The concentrations of radioactive substances in wastewater, surface water, and potable water vary widely depending on the source and location. For example, cesium-137 levels in wastewater from nuclear facilities can range from 0.

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Background: Historically, DeMeester score over 14.7 has been used to diagnose GERD. The 2022 American Gastroenterological Association clinical guidelines define GERD based on acid exposure time (AET) instead of DeMeester score.

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A simple, Accurate, precise method was developed for the estimation of the Lorlatinib in API form and Marketed pharmaceutical dosage form by RP-HPLC. Chromatogram was run through Hypersil C18 (4.6mm×150mm, 5µm) Particle size Column and Mobile phase containing Methanol and Water taken in the ratio of 25: 75% v/v was pumped through column at a flow rate of 1.

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We investigated the binding between the c-MYC G-quadruplex (GQ) and berberine chloride (BCl) in an aqueous two-phase system (ATPS) with 12.3 wt % polyethylene glycol and 5.6 wt % dextran, mimicking the highly crowded intracellular biomolecular condensates formed via liquid-liquid phase separation.

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We report a measurement of exclusive J/ψ and ψ(2s) photoproduction in Au+Au ultraperipheral collisions at sqrt[s_{NN}]=200  GeV using the STAR detector. For the first time, (i) the ψ(2s) photoproduction in midrapidity at the Relativistic Heavy-Ion Collider has been experimentally measured; (ii) nuclear suppression factors are measured for both the coherent and incoherent J/ψ production. At average photon-nucleon center-of-mass energy of 25.

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Lung cancer varies between Caucasians and Asians. There have been differences recorded in the epidemiology, genomics, standard therapies and outcomes, with variations according to the geography and ethnicity which affect the decision for optimal treatment of the patients. To better understand the profile of lung cancer in Southeast Asia, with a focus on India, we have comprehensively reviewed the available data, and discuss the challenges and the way forward.

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