Publications by authors named "Rawat S"

Increasing antibiotic resistance among the common nosocomial pathogen i.e. Acinetobacter baumannii poses life threat to the health care workers as well as to the society.

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Mastitis in dairy animals affect milk quality and quantity, animal health and welfare, antimicrobial use and economics of dairy farm, and antimicrobial residues in milk. is most common mastitis pathogen with ability to cause infections which are difficult to treat. The present study aimed to characterize the strains associated with dairy animal with reference to its virulence, biofilm formation, antimicrobial resistance including methicillin and penicillin G resistance.

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Introduction: Metallosis, characterized by the collection of metallic debris in periarticular tissues, is primarily associated with metal-on-metal bearings in hip arthroplasty. This report presents a rare case of metallosis after metal-on-polyethylene (MoP) total hip arthroplasty (THA), highlighting diagnostic challenges and management strategies. Metallosis following MoP arthroplasty is extremely rare, with only a limited number of documented cases in the literature.

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Objectives:  This study aimed to evaluate the expression levels of hypoxia-inducible factor 1-α (HIF-1α) and vascular endothelial growth factor (VEGF) in radicular cysts and periapical granulomas, thereby contributing to the understanding of their potential significance in the differential diagnosis and treatment of these lesions.

Materials And Methods:  In the present cross-sectional study, 51 samples of periapical lesions were included. Of them, 24 samples were radicular cysts, and 27 samples were periapical granulomas.

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Antimicrobial peptides (AMPs) represent a unique group of naturally occurring molecules having diverse biological activities, including potent antimicrobial properties. Among them, LL-37 has emerged as a significant player, demonstrating its multifaceted roles during bacterial, fungal, and viral infections, as well as exhibiting intriguing implications in cancer. This review delves into the versatile functions of LL-37, elucidating its mechanisms of action against microbial pathogens and its potential to modulate immune responses.

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  • Chronic constrictive pericarditis (CCP) is a disease marked by the thickening of the pericardium, leading to heart function issues, with a focus on patient demographics and clinical profiles in Northeast India over a decade.
  • The study analyzed 42 CCP patients between 2011 and 2020, highlighting a high prevalence in younger individuals and a significant history of tuberculosis among participants.
  • Symptoms included dyspnea and physical exam findings such as edema and hepatomegaly; imaging revealed notable heart structural changes, emphasizing the need for better diagnosis and management in the region.
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Tumor-associated macrophages (TAMs) crucially contribute to lung cancer's advancement and escape from the immune system. TAMs, particularly the M2 phenotype, promote an immunosuppressive microenvironment, facilitating tumor growth and metastasis. The MEK-STAT3 signalling pathway is a critical mediator in this process, driving TAM reprogramming and contributing to lung cancer's resistance to treatment.

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Background: Mirror hand is a rare congenital anomaly. Most of these cases are sporadic and associated with defective sonic hedgehog during embryogenesis. In this report, we present the case of a child with this rare congenital anomaly and its management.

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With the exploding number of IoT devices generating vast data volumes, there is a growing risk of significant performance degradation without efficient congestion management. To tackle this challenge, efficient regulation and supervision are essential for managing congestion in IoT networks. This research work introduces a One-Way-Delay (OWD)-based congestion control (CC) method that estimates data transmission delays of the communication path and adjusts network traffic accordingly.

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Scope: Hepatitis E virus (HEV) is a significant global health issue, impacting both low- and middle-income countries and industrialized nations. HEV genotypes 1 and 2, primarily transmitted through contaminated water, are endemic in low- and middle-income countries, whereas genotypes 3 and 4 are zoonotically transmitted in industrialized regions. Acute HEV infection poses severe risks, particularly to pregnant women and immunocompromised individuals, whereas chronic HEV infection leads to serious complications in those with pre-existing liver disease and transplant recipients.

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Background: Systemic Lupus Erythematosus (SLE) is characterized by dysregulated immune responses, with neutrophil extracellular traps (NETs) playing a significant role. NETs are recognized by autoantibodies in SLE patients, exacerbating pathology. Both excessive NET formation and impaired degradation contribute to SLE pathophysiology.

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  • Charcot arthropathy is a joint condition characterized by significant bone degeneration, often resulting from microtrauma that affects articular nerves, with syringomyelia being a common cause in the upper extremities.
  • A case study of a 64-year-old man showed painless swelling and deformity in his right wrist, with imaging revealing degenerative changes and conditions like Type II Chiari malformation and myelopathy.
  • Diagnosing wrist Charcot arthropathy is complex and requires excluding common arthritis causes such as rheumatoid arthritis and tuberculosis, and a comprehensive neurological examination is essential to identify other possible underlying issues like diabetes or tabes dorsalis.
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  • - Conventional breeding has improved crop yields since the mid-1900s, but genomics introduces advanced tools for studying whole genomes, enhancing the accuracy of crop development.
  • - Techniques like molecular markers, genomic selection, and genome editing (e.g., CRISPR/Cas9) allow for precise trait mapping and faster breeding, improving characteristics like yield, resistance to disease, and stress tolerance.
  • - The paper discusses how genomic resources aid in plant breeding by identifying important traits, understanding genetic diversity, and speeding up breeding programs, ultimately leading to the creation of new plant varieties.
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Background: Current programs to engage marginalized populations such as gay and bisexual individuals and other men who have sex with men (MSM) in HIV prevention interventions do not often reach all MSM who may benefit from them. To reduce the global burden of HIV, far-reaching strategies are needed to engage MSM in HIV prevention and treatment. Globally, including low- and middle-income countries, MSM are now widely using internet-based social and mobile technologies (SMTs; eg, dating apps, social media, and WhatsApp [Meta]), which provides an unprecedented opportunity to engage unreached and underserved groups, such as MSM for HIV prevention and care.

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  • * The study reviews how different types of ncRNAs, like miRNAs, lncRNAs, and circRNAs, influence cancer cell behaviors, including survival, growth, and metastasis, by modulating cellular processes such as CDK activity and the Wnt/β-catenin pathway.
  • * It also highlights the potential of ncRNAs as markers for cancer prognosis and as targets for new therapies, suggesting that a deeper understanding of their regulatory roles could enhance cancer treatment and research.
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Artificial intelligence (AI) encompasses a broad spectrum of techniques that have been utilized by pharmaceutical companies for decades, including machine learning, deep learning, and other advanced computational methods. These innovations have unlocked unprecedented opportunities for the acceleration of drug discovery and delivery, the optimization of treatment regimens, and the improvement of patient outcomes. AI is swiftly transforming the pharmaceutical industry, revolutionizing everything from drug development and discovery to personalized medicine, including target identification and validation, selection of excipients, prediction of the synthetic route, supply chain optimization, monitoring during continuous manufacturing processes, or predictive maintenance, among others.

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With technology development, the growing self-communicating devices in IoT networks require specific naming and identification, mainly provided by IPv6 addresses. The IPv6 address in the IoT network is generated by using the stateless auto address configuration (SLAAC) mechanism, and its uniqueness is ensured by the DAD protocol. Recent research suggests that IPv6 deployment can be a risky decision due to the existing SLAAC-based addressing scheme and the DAD protocol being prone to reconnaissance and denial of service (DoS) attacks.

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  • * The case study details a 25-year-old man who developed septic shock due to DIC associated with Plasmodium vivax malaria, presenting with fever, abdominal pain, and critical clinical signs like low blood pressure and severe anemia.
  • * The patient required admission to a critical care unit but was successfully treated with artesunate and lumefantrine, highlighting the importance of early diagnosis and prompt treatment to reduce potential mortality and morbidity from severe malaria.
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Non-coding RNAs (lncRNAs) play critical roles in various cellular processes, including a novel form of regulated cell death known as disulfidptosis, characterized by accumulating protein disulfide bonds and severe endoplasmic reticulum stress. This review highlights the therapeutic potential of lncRNAs in regulating disulfidptosis for cancer treatment, emphasizing their influence on key pathway components such as GPX4, SLC7A11, and PDIA family members. Recent studies have demonstrated that targeting specific lncRNAs can sensitize cancer cells to disulfidptosis, offering a promising approach to cancer therapy.

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Liver cancer is a major health epidemic worldwide, mainly due to its high mortality rates and limited treatment options. The association of cellular senescence to tumorigenesis and the cancer hallmarks remains a subject of interest in cancer biology. The p53-p21 signalling axis is an important regulator in restoring the cell's balance by supporting tumor suppression and tumorigenesis in liver cancer.

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Background: Vitamin B deficiency is widely prevalent in all age groups which is of major concern. However, there is no valid Food Frequency Questionnaire (FFQ) for dietary vitamin B estimation. Hence, we aimed to develop and validate an FFQ for the estimation of dietary intake of Vitamin B.

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Elephantiasis, also known as filariasis, is a severe public health issue in India. Microfilariae in the bone marrow smears are an unusual and incidental finding. Every peripheral blood and bone marrow aspirate smear must be screened for microfilariae in endemic areas to identify asymptomatic carriers.

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Stability in recurrent neural models poses a significant challenge, particularly in developing biologically plausible neurodynamical models that can be seamlessly trained. Traditional cortical circuit models are notoriously difficult to train due to expansive nonlinearities in the dynamical system, leading to an optimization problem with nonlinear stability constraints that are difficult to impose. Conversely, recurrent neural networks (RNNs) excel in tasks involving sequential data but lack biological plausibility and interpretability.

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  • * Out of 47 children with hepatitis linked to COVID-19, a significant 79% displayed symptoms of CAH-C, showing a mild illness and quick recovery, while the remaining 21% exhibited more severe symptoms resembling MIS-C, with higher risks and complications.
  • * The research underscores the importance of distinguishing between CAH-C and MIS-C in pediatric patients to provide appropriate and timely care, as CAH-C tends to have a better prognosis.
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Background: Microvascular free tissue transfer is a popular option for reconstruction of the head and neck defects following tumor ablation. Many factors are involved in the achievement of a satisfactory outcome, namely, adequate selection of the donor flap and recipient vessels, proficient anastomosis technique and postoperative care including flap monitoring. Preferential use of end-to-side anastomosis to the internal jugular vein in head and neck reconstruction offers various advantages and has consistently yielded outstanding results.

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