Publications by authors named "Kashyap V"

Metarrestin (ML246) is a first-in-class pyrrole-pyrimidine-derived small molecule that selectively targets the perinucleolar compartment (PNC). PNC is a distinct subnuclear structure predominantly found in solid tumor cells. The occurrence of PNC demonstrates a positive correlation with malignancy, serving as an indicator of tumor aggressiveness, progression, and metastasis.

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Background: TransCarotid artery revascularization (TCAR) is a safe minimally invasive option for patients with carotid artery stenosis who are not appropriate candidates for carotid endarterectomy (CEA). Many physicians have not yet adopted this technique in the management of carotid artery stenosis. The aim of this study is to explore overall outcomes of carotid revascularization based on physicians' practices in the Vascular Quality Initiative (VQI).

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Objective: Prior studies have emphasized the importance of compliance with preoperative dual antiplatelet therapy (DAPT) in patients undergoing TransCarotid artery revascularization (TCAR). This investigation examines differences in perioperative outcomes following TCAR in those receiving loading dose of antiplatelet medications on the day of the procedure versus those already maintained on DAPT.

Methods: Consecutive TCAR procedures from the Vascular Quality Initiative (2016-2022) were identified.

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Background: High-risk strains of HPV are known to cause cervical cancer. Multiple clinical studies have emphasized that smoking and drinking are critical risk factors for cervical cancer and its high-grade precursors. In this study, we investigated if smoking and/or drinking augment the molecular mechanisms of cervical carcinogenesis and defined a potential therapeutic approach for their attenuation.

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Background: Transcarotid artery revascularization (TCAR) has emerged as an alternative therapeutic modality to carotid endarterectomy (CEA) and transfemoral carotid artery stenting (TFCAS) for the management of patients with carotid artery stenosis. However, certain issues regarding the indications and contraindications of TCAR remain unanswered or unresolved. The aim of this international, expert-based Delphi consensus document was to attempt to provide some guidance on these topics.

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Article Synopsis
  • Inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, is rising in incidence, especially in countries like India, where it has become the second highest in the world.* -
  • The disease is linked to an inappropriate immune response involving various helper T cell subsets and their cytokines, which contribute to gut inflammation and severity.* -
  • The review discusses how different T cell types, including CD8, NKT, and γδT cells, affect IBD outcomes and also explores potential therapeutic options for managing the disease.*
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In this study, we report the successful synthesis and thorough characterization of Eu-doped NaBaLaNbO phosphors, targeting their application in white-light-emitting diodes (w-LEDs). The phosphors were synthesized using a high-temperature solid-state method, ensuring robust incorporation of Eu ions into the host lattice. Comprehensive analyses were performed, including X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy and Raman spectroscopy, confirming the phase purity, crystallinity, morphology, and elemental composition of the phosphors.

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The Kirsten rat sarcoma viral (KRAS) oncogene is the most frequently mutated isoform of RAS, associated with 85 % of RAS-driven cancers. KRAS functions as a signaling hub, participating in various cellular signaling pathways and regulating a wide range of important activities, including cell proliferation, differentiation, growth, metabolism, and migration. Despite being the most frequently altered oncogenic protein in solid tumors, over the past four decades, KRAS has historically been considered "undruggable" owing to a lack of pharmacologically targetable pockets within the mutant isoforms.

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The exploration of 'electrostatic self-assembly' on solid surfaces has garnered significant interest across various fields. With the sophistication of gadgets, managing electromagnetic interference (EMI) from stray signals, especially in stealth applications, necessitates materials that can absorb microwaves. A promising approach involves integrating lightweight self-healing polymeric materials.

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  • Nerve injuries have typically been repaired using sutures, regarded as the gold standard, but fibrin glue is emerging as a viable alternative due to its ease of use and faster application.
  • This study involved 80 patients divided into two groups undergoing nerve repair with either microsutures or fibrin glue to compare their outcomes.
  • The results showed no significant differences in sensory and motor recovery between the two methods, but fibrin glue significantly reduced the time taken for repair, suggesting it could be a preferred alternative to sutures.
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  • The study compares two surgical approaches (anterior vs. posterior) for transferring the spinal accessory nerve to the suprascapular nerve in patients with traumatic brachial plexus injury, focusing on shoulder recovery.
  • While no significant difference in muscle strength or range of motion was found between the groups, the posterior approach showed better outcomes in external rotation and higher patient satisfaction (86.7% vs. 68%).
  • Surgeons also favored the posterior approach for its improved visibility and faster nerve exploration during the procedure.*
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Background And Objectives: Deep brain stimulation (DBS) has developed into an effective therapy for several disease states including treatment-resistant Parkinson disease and medically intractable essential tremor, as well as segmental, generalized and cervical dystonia, and obsessive-compulsive disorder (OCD). Dystonia and OCD are approved with Humanitarian Device Exemption. In addition, DBS is also approved for the treatment of epilepsy in the anterior nucleus of the thalamus.

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This study investigates the electron field emission (EFE) of vertical silicon nanowires (Si NWs) fabricated on n-type Si (100) and p-type Si (100) substrates using catalyst-induced etching (CIE). The impact of dopant types (n- and p-types), optical energy gap, crystallite size and stress on EFE parameters has been explored in detail. The surface morphology of grown SiNWs has been characterized by field emission scanning electron microscopy (FESEM), showing vertical, well aligned SiNWs.

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Objective: This study utilizes the latest data from the Vascular Quality Initiative (VQI), which now encompasses over 50,000 transcarotid artery revascularization (TCAR) procedures, to offer a sizeable dataset for comparing the effectiveness and safety of TCAR, transfemoral carotid artery stenting (tfCAS), and carotid endarterectomy (CEA). Given this substantial dataset, we are now able to compare outcomes overall and stratified by symptom status across revascularization techniques.

Methods: Utilizing VQI data from September 2016 to August 2023, we conducted a risk-adjusted analysis by applying inverse probability of treatment weighting to compare in-hospital outcomes between TCAR vs tfCAS, CEA vs tfCAS, and TCAR vs CEA.

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Background: Because of the relationship between independent living and activities of daily living, care teams spend significant time managing assisted living residents' toileting problems. Recently, the TrueLoo was developed as a connected toilet seat to automatically log and monitor toileting sessions.

Objective: This study aimed to demonstrate the validity of the TrueLoo to (1) record and identify toileting sessions with regard to stool and urine events; (2) compare the results with the person-reported, standard-of-care methods; and (3) establish metrics of user acceptability and ease of use in a assisted living facility population.

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Objective: Postoperative day-one discharge is used as a quality-of-care indicator after carotid revascularization. This study identifies predictors of prolonged length of stay (pLOS), defined as a postprocedural LOS of >1 day, after elective carotid revascularization.

Methods: Patients undergoing carotid endarterectomy (CEA), transcarotid artery revascularization (TCAR), and transfemoral carotid artery stenting (TFCAS) in the Vascular Quality Initiative between 2016 and 2022 were included in this analysis.

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Human mother milk is considered the most healthy and best source of nutrition for both premature and full-term infants, as it possesses many health benefits and is associated with its consumption. Some of the mothers are not able to produce an adequate quantity of milk to meet the required needs of the infants, particularly in cases involving premature births or facing challenges in breastfeeding. Especially for the most vulnerable premature infants, donor human milk (DHM) provides a helpful bridge for effective breastfeeding.

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An oronasal fistula is one of the most common complications that can occur after cleft palate surgeries. Some of the reasons for the failure of repair are the closure of palatal flaps under tension, vascular compromise, and infection. We present a case of a 10-year-old patient who experienced nasal regurgitation during feeding, four years after undergoing a redo palatoplasty.

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Castleman disease (CD) is a lymphoproliferative disorder classified into two categories as unicentric Castleman disease (UCD) or localized type and multicentric Castleman disease (MCD). A rare case of hyaline vascular variant of tonsil has been presented in which a 14 years old male presented with symptomatic unilateral hypertrophy of right tonsil. A right tonsillectomy was done and surgical pathology report was concluded as hyaline vascular variant of Castleman's disease.

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A pseudoaneurysm is a collection of blood outside the arterial lumen but remains in continuity with the lumen and lined by fibrous tissue. Radial artery pseudoaneurysm is a rare entity mostly occurring due to iatrogenic reasons. Traumatic causes are rare.

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Objectives: Patients undergoing revascularization for chronic limb-threatening ischemia experience a high burden of target limb reinterventions. We analyzed data from the Best Endovascular versus Best Surgical Therapy in Patients with Critical Limb Ischemia (BEST-CLI) randomized trial comparing initial open bypass (OPEN) and endovascular (ENDO) treatment strategies, with a focus on reintervention-related study endpoints.

Methods: In a planned secondary analysis, we examined the rates of major reintervention, any reintervention, and the composite of any reintervention, amputation, or death by intention-to-treat assignment in both trial cohorts (cohort 1 with suitable single-segment great saphenous vein [SSGSV], n = 1434; cohort 2 lacking suitable SSGSV, n = 396).

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CD8 T cells are emerging as important mediators in atherosclerosis and cardiovascular disease (CVD). Immune activation may play a particular role in people with HIV (PWH) who are at an increased risk of CVD, even after controlling for known CVD risk factors. Latent CMV infection is associated with increased CVD risk for both PWH and people without HIV, and human CMV-specific CD4 and CD8 T cells are enriched for an immunosenescent phenotype.

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Article Synopsis
  • Understanding how parton mass and Casimir color factors affect heavy quark emissions is key to studying quantum chromodynamics (QCD).
  • This research presents the first experimental constraint on the charm-quark splitting function, obtained through measurements in proton-proton collisions at 13 TeV.
  • Findings indicate that charm quarks show a steeper splitting function compared to gluons and light quarks, experiencing fewer emissions with a lower likelihood of large-angle emissions.
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