1,783 results match your criteria: "University of Kashmir[Affiliation]"

Nanocarriers for Delivery of Anticancer Drugs: Current Developments, Challenges, and Perspectives.

Pharmaceutics

November 2024

Department of Cell Biology and Molecular Genetics, Sri Devraj Urs Medical College, Sri Devaraj Urs Academy of Higher Education and Research, Kolar 563103, India.

Cancer, the most common condition worldwide, ranks second in terms of the number of human deaths, surpassing cardiovascular diseases. Uncontrolled cell multiplication and resistance to cell death are the traditional features of cancer. The myriad of treatment options include surgery, chemotherapy, radiotherapy, and immunotherapy to treat this disease.

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: Pyroptosis, an inflammatory cell death, is involved in the progression of atherosclerosis. Pyroptosis in endothelial cells (ECs) and its underlying mechanisms in atherosclerosis are poorly understood. Here, we investigated the role of a caspase-4/5-NF-κB pathway in pyroptosis in palmitic acid (PA)-stimulated ECs and EVs as players in pyroptosis.

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Pulmonary hypertension (PH) is a severe, progressive disorder characterized by elevated pulmonary arterial pressure, leading to right ventricular failure and increased mortality. Despite advancements in management, the median survival for PH patients remains 5-7 years, with an inhospital mortality rate of approximately 6%. The core pathological feature of PH is pulmonary vascular remodeling (PVR), a multifactorial process involving endothelial dysfunction, inflammation, and aberrant immune responses.

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Autoimmune diseases pose a significant challenge due to their complex pathogenesis and rising prevalence. Traditional therapies are often limited by systemic side effects, immunosuppression, and lack of long-term efficacy. Mesenchymal stem cells (MSCs) have demonstrated immunomodulatory properties, primarily through the secretion of extracellular vesicles (EVs), which are now recognized as potent mediators of immune regulation.

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Petal senescence represents a crucial phase in the developmental continuum of flowers, ensuing tissue differentiation and petal maturation, yet anteceding seed formation and development. Instigation of petal senescence entails myriad of changes at the cytological, physiological and molecular dimensions, mirroring the quintessential characteristics of cell death. In the current investigation biochemical and molecular intricacies were scrutinized across various developmental stages (bud to the senescent phase).

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Improved aquila optimizer for swarm-based solutions to complex engineering problems.

Sci Rep

December 2024

Department of Computer Science, College of Computer and Information Sciences, King Saud University, 11543, Riyadh, Saudi Arabia.

The traditional optimization approaches suffer from certain problems like getting stuck in local optima, low speed, susceptibility to local optima, and searching unknown search spaces, thus requiring reliance on single-based solutions. Herein, an Improved Aquila Optimizer (IAO) is proposed, which is a unique meta-heuristic optimization method motivated by the hunting behavior of Aquila. An improved version of Aquila optimizer seeks to increase effectiveness and productivity.

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Introduction: Ultraviolet-based dermoscopy may support the recognition of scabies, yet neither accuracy analyses nor data on skin of colour are available. The aim of this multicentric observational retrospective was to investigate the diagnostic accuracy of polarised and ultraviolet-induced fluorescence (UVF) dermoscopic examination in both fair and dark skin, also assessing possible differences according to the skin tone.

Methods: Consecutive patients with a diagnosis of scabies were eligible.

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The broad-scale inventories of alien species reveal macroecological patterns, but these often fall short in guiding local-level management strategies. Local authorities, tasked with on-the-ground management, require precise knowledge of the occurrence of invasive species tailored to their jurisdictional boundaries. What proves critical at the local scale may not hold the same significance at national or regional levels.

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This study investigates the relationship between out-of-pocket (OOP) healthcare spending, economic growth, population growth, and government health expenditure as a proportion of general government expenditure using National Health Accounts (NHA) estimates. Out-of-Pocket (OOP) healthcare spending imposes a substantial financial burden on households, especially in developing economies such as India. Understanding the factors that influence OOP payments is crucial for policymakers seeking to enhance healthcare systems and achieve Universal Health Coverage (UHC).

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Antifungal, Antioxidant Activity, and GC-MS Profiling of Diaporthe amygdali GWS39: A First Report Endophyte from Geranium wallichianum.

Curr Microbiol

December 2024

Plant Pathology, Mycology and Microbiology Research Laboratory, Department of Botany, University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India.

Endophytic fungi serve as vital reservoirs of natural products. This study investigates the role of the endophytic fungus, Diaporthe amygdali GWS39, isolated from Geranium wallichianum D. Don Ex Sweet aerial stem.

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The research targeting the prevention of complications through natural constituents, instigated by the cancer has recently drawn much more attention over the globe. The research in this direction also revealed that the use of natural constituents would considered a promising strategy for diminishing the aforementioned disease and its consequences. Because of the easy availability and safe nature, the recent years, natural resources as strong anticancer agents.

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Water quality and stock assessment of Schizothorax niger (Alghad snowtrout) in Manasbal Lake, Kashmir Himalaya.

Environ Monit Assess

December 2024

Fish Biology and Limnology Research Laboratory, Department of Zoology, University of Kashmir, Srinagar-190006, Jammu and Kashmir, India.

The current work was conducted to investigate fisheries dynamics, rate of growth, and mortality, along with demographic features of Schizothorax niger using length-frequency data collected monthly from Manasbal Lake from August 2020 and July 2022. The length data for estimation was categorized into 13 bins, and population parameters were explored utilizing various options in ELEFAN I, with the best fit (Rn = 0.282) calculated by means of the FiSAT-II application.

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Article Synopsis
  • Chloroquine (CQ) has been studied as a potential treatment for cancer, specifically colorectal cancer, by examining its effects on HCT-116 cells and its mechanism of action.
  • CQ was found to inhibit the growth and survival of these cancer cells under hypoxic conditions by reducing both glycolytic capacity and NAD production through the inhibition of the PDK1 protein.
  • The study revealed that CQ induces structural changes in PDK1, leading to its destabilization and increased degradation, which subsequently causes mitochondrial damage, excessive ROS production, and eventually triggers apoptosis in cancer cells.
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The green shield: role in sustainable agriculture against soil-borne fungal threats.

Curr Res Microb Sci

November 2024

Section of Mycology and Plant Pathology Laboratory, Department of Botany, University of Kashmir, Srinagar 190006, India.

Article Synopsis
  • - Soil-borne pathogenic fungi significantly reduce plant yields and pose environmental risks when controlled chemically, leading to a focus on biological methods for disease management.
  • - This study isolated various species from 25 soil samples and assessed their ability to inhibit the growth of 12 different soil-borne fungal pathogens using a dual culture technique.
  • - The results showed that higher concentrations of culture filtrates from selected species effectively reduced mycelial growth, suggesting these native species could serve as sustainable biocontrol agents against fungal diseases in plants.
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We investigated the scolytine fauna of the West Himalayan region of India. The present study combines field samples, museum specimens, and published data to catalog the scolytine diversity. We recognize 57 scolytine species from 15 tribes and 25 genera.

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Evaluation of drought events using multiple drought indices under climate change in the Upper Indus Basin.

Environ Monit Assess

December 2024

Department of Geography and Disaster Management, School of Earth and Environmental Sciences, University of Kashmir, Srinagar, 190006, India.

Article Synopsis
  • - The study analyzed drought events in the Upper Indus Basin from 1980 to 2020 using various drought indices alongside climate data like precipitation and temperature from 16 meteorological stations.
  • - Findings showed a decline in precipitation, along with rising maximum and minimum temperatures, indicating a trend towards increased aridity and longer periods without rain at an average of 2 more dry days per decade.
  • - The analysis found that over the last 40 years, shifts in drought patterns occurred, with mild droughts being the most frequent, highlighting distinct climatic differences in Jammu, Kashmir, and Ladakh while confirming that the region is experiencing significant drought conditions.
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Machine learning based intrusion detection framework for detecting security attacks in internet of things.

Sci Rep

December 2024

Department of Information Systems, College of Computer and Information Science, King Saud University, 11543, Riyadh, Saudi Arabia.

Article Synopsis
  • The Internet of Things (IoT) is a network of interconnected devices that communicate and share data, raising security concerns that require advanced protection methods like deep learning Intrusion Detection Systems (IDS).
  • Traditional deep learning IDS often struggle with accurate attack classification and long computational times, prompting the development of a new approach using the Self-Attention Progressive Generative Adversarial Network (SAPGAN) to enhance security in IoT networks.
  • The proposed framework involves data gathering, pre-processing to handle missing values, feature selection through a modified War Strategy Optimization Algorithm, and categorizing intruders as either Anomaly or Normal, demonstrating improved accuracy and efficiency over standard models.
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Ocular drugs have low absorption because of the unique environment in the eye, making ocular drugs one of the most challenging pharmaceutical initiatives. Liposomes have shown to be a promising ocular drug delivery system over the years because of enhanced drug absorption, biocompatibility, and biodegradability. Utilising a mucoadhesive material alongside liposomes could be a promising strategy to increase the therapeutic efficacy of ocular drugs.

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Pyridazine derivatives hold significant interest due to their broad applications in pharmaceuticals and materials science, where they serve as valuable scaffolds for bioactive compounds and functional materials. Here, we report a formal [4 + 2] reaction for the synthesis of 5'-sulfonyl-4'-aryl-3-cyano substituted pyridazine compounds from the reaction between vinylogous enaminonitriles and sulfonyl hydrazides. The key features of our pyridazine synthesis include the transamidation of vinylogous enaminonitriles with sulfonyl hydrazide, radical sulfonylation of the resulting intermediate, and subsequent 6-endo-trig radical cyclization.

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Article Synopsis
  • * A survey involving 1,521 students from three universities in Kashmir found that normative pressure and positive attitudes toward misuse increased the likelihood of prescription misuse, while the ability to refuse (refusal self-efficacy) decreased it.
  • * Results indicated that females had stronger protective effects against misuse related to refusal self-efficacy, highlighting the need for targeted interventions that address normative pressures and enhance refusal skills, especially for female students in high-stress environments like universities.
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Plants often experience variations in light intensity, referred to as light stress, that negatively impact important aspects of plant growth and development, including photosynthesis and antioxidant system. The photosynthetic machinery is susceptible to these disturbances, especially photosystem II and its reaction centers. We aimed to evaluate the role of brassinosteriod in plants under both high and low light conditions by examining various physiological parameters such as photosynthetic efficiency, pigment levels, and enzymatic activity of various antioxidant enzymes in one month old tomato plants.

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Article Synopsis
  • - The health and productivity of sheep infected with gastrointestinal helminths, particularly nematodes like Trichuris ovis, are negatively affected, prompting the need to understand host-parasite-microbiome interactions for better management strategies.
  • - This study focused on the caecal microbiome of Kashmir Merino sheep, analyzing samples from both infected and non-infected individuals, revealing significant differences in microbial communities via 16S rRNA metagenomic analysis.
  • - Findings showed that T. ovis infection leads to changes in the caecal microbiome, with an increase in potentially harmful bacteria and a decrease in beneficial ones, emphasizing the intricate relationship between hosts, parasites, and their microbiomes.
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Cell survival and death are intricately governed by apoptosis, a meticulously controlled programmed cell death. Apoptosis is vital in facilitating embryonic development and maintaining tissue homeostasis and immunological functioning. It is a complex interplay of intrinsic and extrinsic signaling pathways that ultimately converges on executing the apoptotic program.

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Prevalence, pattern, contact sensitisers and impact on quality-of-life of occupational dermatitis among beekeepers in North India.

Contact Dermatitis

November 2024

Department of Dermatology, Venereology and Leprosy, Government Medical College Srinagar, University of Kashmir, Srinagar, Jammu and Kashmir, India.

Article Synopsis
  • * Conducted over 18 months, the study involving 340 beekeepers found a 17.1% prevalence of dermatitis, primarily affecting hands, with significant links to how long individuals have been beekeeping and prior allergy history.
  • * Although dermatitis is common among beekeepers, the overall effect on their quality of life is relatively minor, with propolis identified as a key allergen in the region.
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Article Synopsis
  • Patchy data on litter decomposition in wetlands limits understanding of carbon storage, prompting a global study involving over 180 wetlands across multiple countries and climates.
  • The study found that freshwater wetlands and tidal marshes had more organic matter remaining after decay, indicating better potential for carbon preservation in these areas.
  • Elevated temperatures positively affect the decomposition of resistant organic matter, with projections suggesting an increase in decay rates by 2050; however, the impact varies by ecosystem type and highlights the need to recognize both local and global factors influencing carbon storage.
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