Publications by authors named "Ravi A"

Sesbania grandiflora, a fast-growing shrub from the Fabaceae family, is extensively researched for its therapeutic properties. Despite its highly valued medicinal properties, there have been no reports on exploring the proteome of Sesbania grandiflora. The present study aims to address this gap by investigating the proteomic profile of Sesbania grandiflora seeds with a primary focus on identifying storage proteins.

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Lower-dimensional organic-inorganic hybrid perovskite materials promise to revolutionize the optoelectronics industry due to the tremendous possibilities of exotic control on excitonic properties driven via quantum confinement. Flexible organic cations acting as spacers and stabilizers enhance electron-phonon couplings, further amplifying the potential for modular light-matter interactions in these materials. Herein we unravel the nature of excitons in a quasi-1D chain of corner-sharing bismuth iodide octahedra with an intrinsic quantum well structure stabilized by a hexyl-diammonium cation.

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Grades are a staple of education and a gateway to future career opportunities. Yet, grading practices can (re)produce inequities and cause students to feel inadequate and unmotivated. Alternative grading practices may address these problems, but these strategies are often time intensive and impractical in larger classroom settings.

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  • * Seaweed has been a traditional food source in several countries, recognized for its health benefits and bioactive compounds that may aid in fighting diseases like cancer and diabetes, as well as possessing antimicrobial properties.
  • * The review discusses various macroalgae species’ nutrient profiles and their potential use in functional foods and pharmaceuticals, proposing strategies for integrating macroalgae benefits into health products and drug development.
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  • The study investigates chitosan nanoparticles derived from Nyctanthes arbor-tristis leaves as a potential treatment for aggressive gynecological tumors, aiming to reduce the side effects of conventional therapies.
  • The nanoparticles were thoroughly characterized and showed efficacy against breast and ovarian cancer cells, demonstrating dose-dependent cytotoxicity and the ability to induce apoptosis.
  • In vivo tests on zebrafish indicated low toxicity for the nanoparticles, suggesting they could be a promising new option for cancer treatment in women.
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Mandibular bony exostoses or hyperostoses are benign, non-neoplastic, localized bony outgrowths that are broad-based, slow-growing, and surface masses on the buccal or lingual surface of the mandible alveolar bone. Such exostoses grow over several years. Exostoses are more common in the maxilla posterior region along the maxillary tuberosity, called palatal exostoses.

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Despite the established use of immune checkpoint inhibitors (ICIs) to treat non-small cell lung cancer (NSCLC), only a subset of patients benefit from treatment and ∼50% of patients whose tumors respond eventually develop acquired resistance (AR). To identify novel drivers of AR, we generated murine Msh2 knock-out (KO) lung tumors that initially responded but eventually developed AR to anti-PD-1, alone or in combination with anti-CTLA-4. Resistant tumors harbored decreased infiltrating T cells and reduced cancer cell-intrinsic MHC-I and MHC-II levels, yet remained responsive to IFNγ.

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Obesity in youth is an increasingly prevalent public health concern worldwide. Lifestyle interventions aim to help participants establish healthy habits and reduce obesity-related disease risk by targeting physical activity and dietary habits. Most studies assess weight loss, but biomarkers may enable more rapid and comprehensive assessment of intervention success.

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DNA minor groove binders exhibit a high degree of sequence specificity and have a variety of biological actions including antiviral, anticancer, antibacterial, and anti-protozoal properties. Since it is the location of non-covalent interactions, the minor groove of double helical B-DNA is gaining significant interest as therapeutic targets. For the purpose of this investigation, the synthesis of five novel DNA minor groove binding agents was accomplished and antiparasitic efficacies were determined against Acanthamoeba castellanii of the T4 genotype in vitro.

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To dissect variant-function relationships in the KRAS oncoprotein, we performed deep mutational scanning (DMS) screens for both wild-type and KRAS mutant alleles. We defined the spectrum of oncogenic potential for nearly all possible variants, identifying several novel transforming alleles and elucidating a model to describe the frequency of mutations in human cancer as a function of transforming potential, mutational probability, and tissue-specific mutational signatures. Biochemical and structural analyses of variants identified in a KRAS second-site suppressor DMS screen revealed that attenuation of oncogenic KRAS can be mediated by protein instability and conformational rigidity, resulting in reduced binding affinity to effector proteins, such as RAF and PI3-kinases, or reduced SOS-mediated nucleotide exchange activity.

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Inflammation is part of natural immune defense mechanism against any form of infection or injury. However, prolonged inflammation could perturb cell homeostasis and contribute to the development of metabolic and inflammatory diseases, including maternal obesity, diabetes, cardiovascular diseases, and metabolic dysfunction-associated steatotic liver diseases (MASLD). Polyunsaturated fatty acids have been shown to mitigate inflammatory response by generating specialized proresolving lipid mediators, which take part in resolution of inflammation.

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  • Overuse injuries in children and adolescents are a significant public health concern, with a study aiming to determine their prevalence and contributing factors in various areas of Manipur.
  • The research involved 3,600 schoolchildren aged 7-15, revealing an overall injury prevalence of 14.39%, particularly high in Imphal West and among males, with common injuries affecting the lower extremities.
  • The findings stress the need for urgent public health interventions and health education to address the increasing rates of injuries like back pain and neck/arm pain among students.
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  • This study identifies and characterizes rare coding alleles linked to genetic dyslipidemia, a major risk factor for coronary artery disease, using data from over 1.1 million individuals across various ancestries.
  • It discovered 800 significant variants across 209 genes, with a notable focus on non-European populations, and included a diverse cohort of participants to enhance genetic understanding.
  • The findings highlight potential therapeutic targets, particularly new genes that may help lower LDL cholesterol levels, providing valuable insights for future genetic disease research and drug development.
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Adenosine triphosphate (ATP), ubiquitous in all living organisms, is conventionally recognized as a fundamental energy currency essential for a myriad of cellular processes. While its traditional role in energy metabolism requires only micromolar concentrations, the cellular content of ATP has been found to be significantly higher at the millimolar level. Recent studies have attempted to correlate this higher concentration of ATP with its nonenergetic role in maintaining protein homeostasis, leaving the investigation of ATP's nontrivial activities in biology an open question.

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  • Urinary incontinence (UI) significantly affects the quality of life in women after gynaecological cancer treatment, and pelvic floor muscle (PFM) training is the recommended first-line treatment.
  • This study is designed to evaluate the effectiveness of a telehealth-delivered PFM training program, which includes a biofeedback device, compared to usual care in helping women with UI after cancer treatment.
  • The trial involves 72 participants who will be split into two groups: one receiving standard care and the other engaging in a comprehensive PFM training program with multiple telehealth consultations over 16 weeks, measuring outcomes through a standardized questionnaire.
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We report both cracking and self-healing in crystals occurring during a thermal phase transition, followed by a topochemical polymerization. A squaramide-based monomer was designed where the azide and alkyne units of adjacent molecules are positioned favorably for a topochemical click reaction. The monomer undergoes spontaneous single-crystal-to-single-crystal (SCSC) polymerization at room temperature via regiospecific 1,3-dipolar cycloaddition, yielding the corresponding triazole-linked polymer in a few days.

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Progressive supranuclear palsy (PSP), a rare Parkinsonian disorder, is characterized by problems with movement, balance, and cognition. PSP differs from Alzheimer's disease (AD) and other diseases, displaying abnormal microtubule-associated protein tau by both neuronal and glial cell pathologies. Genetic contributors may mediate these differences; however, the genetics of PSP remain underexplored.

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Healing process in the oral cavity is influenced by a range of systemic factors. More specifically, patient health status, medications, habits, and nutritional state play crucial roles in dental healing. Additionally, the body's immune response, inflammation, and overall well-being are key determinants in wound repair.

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Previous reviews on the cost of illness (COI) of Parkinson's disease (PD) have often focused on health-care costs due to PD, underestimating its effects on other sectors. This systematic review determines the COI of PD from a societal perspective. The protocol was registered in PROSPERO (ID: CRD42023428937).

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  • * Brexanolone and zuranolone are particularly effective for postpartum depression, providing rapid symptom relief through their action on the GABA system, as shown in clinical trials.
  • * Beyond mood disorders, ganaxalone shows promise for managing epilepsy by controlling seizures via GABAergic activity, and neurosteroids may offer neuroprotection in Alzheimer's models, suggesting their potential to mitigate excitotoxicity and slow neurodegeneration.
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Background: For decades, () has been important in the field of traditional medicine. The identification and isolation of numerous chemically potent and pharmaceutically advantageous phytochemicals isolated from this plant extract has contributed to its resurrection into evidence-based modern medicine. This plant is inexpensive and indigenous to the Indian subcontinent.

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Breast cancer poses a significant health risk worldwide. However, the effectiveness of current chemotherapy is limited due to increasing drug resistance and side effects, making it crucial to develop new compounds with novel mechanism of action that can surpass these limitations. As a consequence of their reversible and targeted mechanism, DNA minor groove binders (MGBs) are considered as a relatively safer and more effective alternative.

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Purpose: Monitoring radiation dose and time parameters during radiological interventions is crucial, especially in neurointerventional procedures, such as aneurysm treatment with embolization coils. The algorithm presented detects the presence of these embolization coils in medical images. It establishes a bounding box as a reference for automated collimation, with the primary objective being to enhance the efficiency and safety of neurointerventional procedures by actively optimizing image quality while minimizing patient dose.

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