Publications by authors named "Richa Sharma"

A multi-branched fluorogenic probe for the rapid and specific detection of Gram-negative bacteria is reported. Three Gram-negative-targeting azido-modified polymyxins were clicked onto a trivalent scaffold functionalised with the environmental green-emitting fluorophore 7-nitrobenz-2-oxa-1,3-diazole. The probe allowed wash-free detection of target bacteria with increased sensitivity and lower limits of detection compared to monovalent probes.

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Background: Tacrolimus, a topical calcineurin inhibitor (TCI) with immunomodulatory effects, is considered a viable treatment option for vitiligo. A consensus building exercise was undertaken to determine the role and clinical utility of topical tacrolimus in the management of vitiligo using input from experts in the field of dermatology.

Methods: Seventeen experts collaborated to create consensus statements using a modified Delphi methodology.

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The genomic monitoring of SARS-CoV-2 variants of concern (VOCs) in riverine and sewage water has been widely used as an epidemiological tool worldwide. But its utility for epidemiological assessments still needs to be evaluated in some areas. Our study encompassed thirteen Brazilian rivers spanning a vast urban expanse across the states of Rio de Janeiro, São Paulo, and Paraná.

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Introduction: Despite remarkable progress in Pediatric Acute Myeloid Leukemia (pAML) treatments, the relapsed disease remains difficult to treat, making it pertinent to identify novel biomarkers of prognostic/therapeutic significance.

Material And Methods: Bone marrow samples from 21 pAML patients were analyzed using single cell RNA sequencing, functional assays with knockdown and overexpression were performed in leukemia cell lines to evaluate impact on proliferation and migration, and chemotherapy sensitivity. Mitochondrial function was assessed via Seahorse assay, interacting proteins were studied using co-immunoprecipitation.

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Background: Elevated low-density lipoprotein cholesterol is a risk factor for atherosclerotic cardiovascular disease, including acute ischemic stroke (AIS), due to large- and small-vessel disease. Cholesterol management guidelines recommend lipid-lowering therapy (LLT) to prevent atherosclerotic cardiovascular disease events. This study assessed use of LLT at the time of AIS according to guideline recommendations and determined the association of prestroke LLT use with stroke severity.

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Segmental resections of the mandible may cause severe functional and aesthetic problems due to continuity loss. The morbidity after mandibular resection can be minimized after microvascular transfer of vascularized bone grafts. Although free flaps have become the gold standard in the past decades for reconstruction of oral cavity defects, regional flaps can also be a reliable option in certain cases, especially for those belonging to the lower socioeconomic corridor and or with coexisting chronic comorbidities which will not allow lengthier procedures.

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Non-small cell lung cancer (NSCLC) collective invasion is supported by cooperativity of proliferative (follower) and invasive (leader) cells. H1299-isolated follower cells exhibit higher Yes-associated protein (YAP) expression, while leader cells were found to express elevated transcriptional coactivator with PDZ-binding motif (TAZ/WWTR1) expression. Suppressing TAZ (not YAP) in leader cells reduced invasion.

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Article Synopsis
  • Ataxia telangiectasia (A-T) is a genetic disorder that affects DNA repair and increases the risk of developing cancers, with 16.5% of affected individuals diagnosed with primary cancers in a study.
  • The analysis revealed that the cumulative incidence of cancer reached 29% by age 35, with non-Hodgkin lymphoma being the most common hematologic cancer, while solid tumors were more prevalent in individuals aged 18 and over.
  • The study found that standard chemotherapy led to a higher risk of death and significant treatment-related toxicities, emphasizing the necessity for more effective and safer treatment options for individuals with A-T.
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Purpose To identify and characterize incident cases of strabismus and interocular visual acuity among infants post lensectomy for congenital cataract. Method This was a single-centre retrospective chart review of all children aged less than 12 months who underwent lensectomy from 1st January 2014 to 1st January 2021. Cases were identified from theatre coding and electronic medical records.

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Objectives: Purple blotch, caused by the necrotrophic pathogen Alternaria porri, is one of the most economically significant diseases of onion and allied crops. While the virulent nature of many Alternaria spp. has been identified, the pathogenic repertoire of A.

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  • Iron overload is common in myelodysplastic syndromes (MDS) but its detrimental effects on the disease are not fully understood; research utilized a mouse model to study the impacts of iron excess versus restriction.
  • Using a genetic method (FPNC326S) and a drug (vamifeport), it was found that while excessive iron did not help improve red blood cell maturation, restricting iron through vamifeport relieved anemia and reduced oxidative stress.
  • Combining vamifeport with luspatercept resulted in even greater improvements in anemia and myeloid bias, highlighting the importance of managing iron levels as a potential therapy for MDS.
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  • A significant portion of patients (1 in 10) experience epilepsy after having cerebral venous thrombosis (CVT), but it's challenging to predict who will be affected.* -
  • Researchers created the DIAS3 prognostic score using clinical data from over 1,100 patients to assess the likelihood of developing post-CVT epilepsy based on six clinical variables.* -
  • The study found a range of predicted risks for post-CVT epilepsy within one and three years, with successful validation of the score confirming its effectiveness in estimating individual risk.*
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  • - The study focuses on fluorescent probes designed from membrane-disrupting peptides from mycobacteria, which can contain either L- or D-amino acids.
  • - These probes feature "always on" and environmentally sensitive fluorescent markers, allowing them to effectively label specific targets.
  • - The effectiveness of two specific probes in labeling was demonstrated, showcasing their potential application in research.
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Introduction: It is important to understand the socioeconomic and medical determinants of subjective cognitive decline (SCD) at a population level in the United States.

Methods: The primary outcomes are state-level rates of SCD and SCD-related functional impairment in adults aged ≥ 45, both measured in the Behavioral Risk Factor Surveillance System from 2016 to 2022. The exposures are state-level rates of poverty, unemployment, homelessness, college education, racial and ethnic minorities, uninsurance, smoking, hypertension, diabetes, and obesity as well as household income and physician density.

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Background: Currently, one of the most prevalent oral abnormalities is malocclusion. There is a rising percentage of patients who are willing to undertake orthodontic procedures.

Aim: To evaluate the impact of orthodontic treatment on the morphology of temporomandibular joint (TMJ) in patients with malocclusion associated with TMJ abnormality such as skeletal class II deep bite malocclusion using CBCT.

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  • RPA is a key protein that binds to single-stranded DNA and plays essential roles in DNA metabolism and telomere function.
  • It interacts with DNA to facilitate the replacement of other proteins during various cellular processes and is involved in managing G-quadruplexes at telomeres.
  • The study shows that hnRNPA1 can remodel the RPA complex at telomeres, while TERRA RNA can release hnRNPA1 from this complex, suggesting a specialized role in telomere protection.
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  • Cervical artery dissection (CeAD) is a leading cause of ischemic strokes in young adults, and this study explored the effects of intravenous thrombolysis (IVT) on patients with CeAD and stroke symptoms.
  • Analyzed data from the STOP-CAD study, it found that IVT significantly improved functional independence after 90 days in patients without increasing the risk of symptomatic intracranial hemorrhage.
  • The results suggest that IVT is a beneficial treatment for eligible patients with CeAD, aligning with current medical guidelines on its use.
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The preparation of soilless medium for the growth of seeds based on macroporous scaffolds of chitosan-glutaric acid and urea (CHGAUR) is reported. The CHGAUR scaffold was prepared by the hydrothermal reaction of chitosan with GA in presence of urea. The product was purified using Soxhlet extraction with methanol.

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Introduction: Dementia often involves comorbid Alzheimer's and vascular pathology, but their combined impact warrants additional study.

Methods: We analyzed the Systolic Blood Pressure Intervention Trial and categorized white matter hyperintensity (WMH) volume into highest versus lowest/mid tertile and the amyloid beta (Aβ)42/40 ratio into lowest versus mid/highest ratio tertile. Using these binary variables, we created four exposure categories: (1) combined low risk, (2) Aβ risk, (3) WMH risk, and (4) combined high risk.

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, popularly mentioned as amla or Indian gooseberry, has attracted a lot of interest lately because of its varied phytochemical makeup and related pharmacological properties. The phytochemistry, historical applications, bioactive makeup, and pharmacological properties of fruits are all summarised in this paper. This review emphasises the rich phytochemical profile of , which contains flavonoids, tannins, alkaloids, and polyphenolic chemicals, through a thorough assessment of the literature.

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Background: Pulmonary tuberculosis may result in haematogenous and lymphatic extension in case of failure of early detection, or immunocompromised status, leading to extrapulmonary tuberculosis. Rare sites of extrapulmonary tuberculosis include the gastrointestinal tract, musculoskeletal system, genital tract, middle ear and pericardium. Histopathological findings of macro-confluent granuloma with or without caseous necrosis, along with detection of acid-fast bacilli (AFB) on Ziehl-Neelsen (ZN) staining, and GeneXpert for detection of DNA, are key in establishing a diagnosis of tuberculosis.

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  • Researchers utilized transmission electron microscopy (TEM) to study kidney structures in mouse models of podocytopathy, focusing on measuring glomerular basement membrane (GBM) and podocyte foot process (PFP) widths manually, which is time-consuming and varies between operators.
  • A new automated deep learning method was developed, achieving high accuracy in segmenting GBM and measuring its width, showing consistent results with manual measurements for both wild-type and mutant mice, although some differences were noted in PFP measurements.
  • The findings indicate that this automated approach can enhance the analysis of podocytopathy by providing reliable morphological distinctions between healthy and diseased kidney structures.
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