Publications by authors named "Dev S"

Introduction: Current and future astronauts will endure prolonged exposure to spaceflight hazards and environmental stressors that could compromise cognitive functioning, yet cognitive performance in current missions to the International Space Station remains critically under-characterized. We systematically assessed cognitive performance across 10 cognitive domains in astronauts on 6-month missions to the ISS.

Methods: Twenty-five professional astronauts were administered the Cognition Battery as part of National Aeronautics and Space Administration (NASA) Human Research Program Standard Measures Cross-Cutting Project.

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Introduction: Atopic dermatitis (AD) is a chronic inflammatory skin disorder that affects millions worldwide, presenting challenges in managing symptoms and quality of life. Current treatments include topical corticosteroids (TCS), but novel approaches, such as Janus kinase (JAK) inhibitors, show promise. Baricitinib, a selective JAK1 and JAK2 inhibitor, targets cytokines involved in AD and offers potential benefits beyond traditional therapies.

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  • - Peripheral arterial disease (PAD) impacts over 8.5 million Americans and is the top cause of amputations in the U.S., yet there is low awareness among patients and healthcare providers about the condition, highlighting a need for better identification methods.
  • - Traditional identification methods, such as keyword search (KWS), are limited by their rigidity and inability to effectively capture undiagnosed PAD cases, making them less effective for varied clinical data.
  • - The study explores the use of deep learning (DL) in natural language processing (NLP) to potentially improve the identification of PAD patients through analysis of unstructured clinical notes in electronic health records (EHR), providing a more flexible and accurate approach than KWS.
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  • - T follicular helper cells (Tfh) play a crucial role in B-cell maturation and antibody production in the immune system but have complex effects on tumor immunity, potentially aiding anti-tumor responses or facilitating tumor growth.
  • - Their dual role derives from their ability to manipulate cytokine secretion, which influences other immune cells like cytotoxic T cells and natural killer cells.
  • - Understanding Tfh cells is essential for optimizing cancer treatments, as they can serve as biomarkers for immunotherapy response and potential targets for new therapeutic strategies in clinical trials.
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Background/aim: Low selectivity and high frequency of side-effects are the major problems of currently used chemotherapeutics. Among natural compounds, the polyprenylated acylphloroglucinol, guttiferone E, isolated from Brazilian red propolis, has attracted attention due to its marked anticancer properties and was evaluated here for its role against osimertinib-resistant H1975 cells (with double mutations of epidermal growth factor receptor: EGFR L858R/T790M).

Materials And Methods: Guttiferone E was obtained from red propolis using established extraction procedures.

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This case report presents the clinical and technical aspects of fabricating and rehabilitating a patient with a custom-designed ocular prosthesis following enucleation due to ocular malignancy. The report details the patient's history, clinical examination, and the step-by-step process of prosthesis fabrication. The aim is to highlight the importance of a multi-disciplinary approach involving ophthalmologists and maxillofacial prosthodontists in providing optimal esthetic and functional outcomes for patients with ocular defects.

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  • Electronic Health Records (EHRs) are essential to modern healthcare but introduce serious security threats due to lack of access auditing, which leads to accountability issues and unauthorized data changes.
  • The study highlights the need for stronger auditing mechanisms to monitor data access and prevent risks such as data breaches by implementing features like immutable audit trails and Purpose-Based Access Control.
  • By utilizing blockchain technology and smart contracts, the research aims to improve compliance auditing, create comprehensive audit logs, and enhance data security through better access validation.
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An unprecedented metal-free synthesis of fused quinoxaline 1,5-disubstituted-[1,4]-diazepine hybrids have been reported under mild conditions through a domino intermolecular SAr followed by an internal nucleophile-triggered intramolecular SAr pathway. Our strategy offers the flexibility for the introduction of a broad variety of functionalities at the N-1 position of fused diazepine moiety by using suitable diamine tails to design structurally diverse scaffolds. The DNA binding properties of representative quinoxaline diazepine hybrids were studied using UV-vis absorbance and EtBr displacement assay and were found to be governed by the functionalities at the N-1 position.

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  • Protein S deficiency can lead to rare cases of superior mesenteric artery (SMA) thrombosis, requiring a multi-specialty team for effective management.
  • A 39-year-old female patient with SMA thrombosis and Protein S deficiency was successfully treated with thrombolysis and anticoagulants, showing no complications during a 24-month follow-up.
  • Early diagnosis and aggressive treatment of hereditary thrombophilia are crucial, as they can significantly enhance patient outcomes in unusual thrombotic cases.
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Background: Shared medical appointments (SMAs) in heart failure (HF) are medical visits where several patients with HF meet with multidisciplinary providers at the same time for efficient and comprehensive care. It is unknown whether HF-SMAs can improve overall and cardiac health status for high-risk patients with HF discharged from acute care.

Methods And Results: A 3-site, open-label, randomized-controlled-trial was conducted.

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Introduction And Importance: Supravesical hernias are rare internal hernias but potential cause of small-bowel obstruction. The clinical features are often non-specific, preoperative diagnosis is very difficult and is often diagnosed intraoperatively. The exact pathogenesis is unclear with the major risk factors of prematurity, a positive family history, male sex, smoking habits leading to decreased collagen production, advancing age, and conditions characterized by defective collagen synthesis.

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  • Duodenojejunal stricture, a rare condition, can result from various factors like malignancies and chronic diseases, causing symptoms like upper abdominal pain and vomiting.
  • A case study of a 67-year-old male revealed a duodenojejunal stricture that was diagnosed via CT scan, leading to successful surgical resection and anastomosis.
  • Treatment options for benign strictures include methods like balloon dilatation and resection; accurate preoperative diagnosis is crucial, as benign strictures can occur even in older patients with no previous surgeries.
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Introduction: Enteric duplication cysts (EDC) are rare anomalies of the gastrointestinal tract, with only 0.4 % occurring in the cecum. Meckel's diverticulum (MD) is a common congenital anomaly affecting up to 2 % of the population.

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Introduction: The incidence of ulcerative colitis is rising among Asian population. Massive bleeding per rectum is an uncommon, but serious, complication of UC accounting for 0.1-1.

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Introduction: Gastrointestinal stromal tumors (GISTs) are rare mesenchymal tumors, with jejunal GISTs being particularly uncommon. Jejunal GISTs causing perforation and acute diffuse peritonitis is rare.

Case Presentation: A 53-year-old female with a history of hypertension presented with severe, acute abdominal pain and vomiting.

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The present study focused on the investigation of the performance of a Moving Bed Bioreactor coupled with a Membrane Bioreactor (MBBR-MBR) on a small scale for textile wastewater treatment. The parameters examined in this study included the removal efficiency of chemical oxygen demand (COD), biochemical oxygen demand (BOD), total suspended solids (TSS), turbidity, color, and heavy metals (HM). The two reactors were operated consecutively and maintained aerobic conditions.

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Introduction And Importance: Richter's hernia is an incarceration of the anti-mesenteric border of a segment of bowel through an abdominal wall defect. It primarily affects elderly individuals but can occur at any age, with a slightly increased incidence in females. The increase in laparoscopic and robotic-assisted procedures has led to a rise in Richter's hernias.

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Introduction And Importance: Foreign bodies in the liver are uncommon but can lead to severe conditions like liver abscess and sepsis. They typically enter through direct penetration, migration from the gastrointestinal tract, or through the blood. Common foreign objects include metal pins, or sewing needles swallowed accidentally.

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The present study contributes to psychology and well-being literature by investigating social well-being in minority contexts. The factor structure of the Keyes' long format 33-item social well-being measure was investigated among African migrant samples. A cross-sectional survey methodology was used to collect data from a total of 404 African migrants living in South Africa (n = 146), Uganda (n = 158) and Kenya (n = 100).

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Aim: The current investigation's goals are to pharmacologically evaluate the neurotherapeutic role of the bioactive compound Alpha Pinene (ALP)-loaded Self-emulsifying nano-formulation (SENF) in neurotoxin (Rotenone and the Industrial Solvent Trichloroethylene)- induced dopaminergic loss. It is believed that these models simulate important aspects of the molecular pathogenesis of Parkinson's disease.

Material And Methods: The ALP-nano-formulation's anti-Parkinson's activity was compared to ALP suspension in Wistar rats after rotenone and trichloro ethylene-induced dopaminergic loss.

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Background: Dental implant peri-implant mucositis is a prevalent complication that can lead to implant failure if left untreated. Various management techniques have been proposed, but their comparative effectiveness remains unclear of dental implant peri-implant mucositis.

Materials And Methods: A total of 120 patients with peri-implant mucositis were randomly assigned to one of four treatment groups: Group A received mechanical debridement alone, Group B received mechanical debridement with adjunctive antiseptic mouthwash, Group C underwent laser therapy, and Group D received a combination of mechanical debridement and systemic antibiotics.

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Introduction And Importance: Intestinal malrotation is a congenital abnormality predominantly diagnosed in children, with only a few cases reported in adults. Patients may be incidentally identified during unrelated surgical procedures or postmortem examinations. It is crucial to promptly recognize this condition to prevent severe complications such as bowel ischemia and potential fatality.

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  • - This study investigates the cellulose synthase gene family in teak trees, looking at genetic changes like duplication and loss, and how these changes affect wood properties, particularly coloration.
  • - Researchers found 39 unique proteins in the cellulose synthase gene families and identified gene duplications and fusions that could allow teak to adapt to its environment.
  • - Phylogenetic analysis revealed how these genes have evolved into seven subfamilies, with a strong emphasis on maintaining functionality while highlighting new roles in wood coloration through interactions with other biosynthetic genes.
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