Publications by authors named "Chaudhary M"

Background: Parkinson's disease (PD) is characterized by dopaminergic (DA) neuron loss, Lewy body build-up, and motor dysfunction. One of the primary pathogenic mechanisms of PD development is autophagy dysfunction and nitric oxide-mediated neurotoxicity.

Purpose: The current study focuses on autophagy and nitric oxide (NO) signaling roles in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-intoxicated PD mice and their protection by their modulators.

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A radiopaque hydrogel-in-liposome (RHL) system was developed for micro-computed tomography (μCT) imaging of tumor tissue and simultaneous delivery of a cytotoxic agent. Iopamidol (IPD) and doxorubicin (DOX) were incorporated as the CT contrast and anti-cancer agents, respectively. The presence of a polyethylene glycol hydrogel core in the liposomes was confirmed via attenuated total reflectance Fourier transform infrared, proton nuclear magnetic resonance, and selective solvent extraction.

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In this study, the novel activated carbon developed from fruit stone, through hydrothermal treatment at low pressure and temperature, was utilized for the removal of 4-nitrophenol, 4-chlorophenol, and phenol from water. The activated carbon produced (AC-HTPEFS) showed a well-developed porosity with a surface area of 569 m g and a total pore volume of 0.342 cm g.

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Nosocomial bloodstream infections with multidrug-resistant microorganisms have become a common health threat in intensive care settings worldwide. Understanding antimicrobial resistance and the outcomes of these infections is crucial for addressing this issue. This study aimed to investigate the burden, antimicrobial resistance, and 28-day outcomes of nosocomial bloodstream infections in the intensive care unit.

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Objectives: On October 4, 2021, a cholera outbreak was reported in Kapilvastu District, one of Nepal's 26 districts bordering India. This study examined the outbreak's characteristics, response efforts, and the challenges faced.

Methods: A descriptive cross-sectional design was applied for the outbreak investigation.

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The margarine market is growing globally due to its lower cost, ease of availability, large-scale commercialization, and expanding market in the bakery and confectionary industries. Butter contains greater amounts of saturated fat and has been associated with cardiovascular diseases. The trans fats generated through the hydrogenation process have several adverse impacts on human health, such as the risk of atherosclerosis, coronary heart disease, postmenopausal breast cancer, vision and neurological system impairment, type II diabetes, and obesity.

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Article Synopsis
  • The study introduces a quick and eco-friendly method to create manganese oxide (MnO) nanoparticles using Ashwagandha extract, with noticeable color change signaling synthesis.
  • Various analytical techniques confirmed the formation and properties of the nanoparticles, which demonstrated high photocatalytic efficiency in breaking down pollutants when exposed to sunlight.
  • The process is simple, does not require harmful chemicals, and has potential applications in wastewater treatment, promoting the development of sustainable nanomaterials.
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Abnormal Toxicity Test (ATT) is performed as quality control test by manufacturers and National Control Laboratory (NCL) to ensure safety of biologicals. However, stakeholders are in general consensus that extraneous toxic contaminations are extremely unlikely where Good Manufacturing Practices (GMPs) and consistent production have been established. This test requiring mice and guinea pigs is still a regulatory requirement for the batch release of biologicals in several countries although it has been deleted by some National Regulatory Authorities (NRAs) and Pharmacopoeias while some are still working on its elimination.

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Objectives: This study assessed the cost-effectiveness of nivolumab plus ipilimumab (NIVO+IPI) versus platinum-doublet chemotherapy (chemo) in untreated metastatic non-small cell lung cancer (NSCLC) using mixture-cure modelling, an approach used to analyse immuno-oncology treatments due to their underlying methods depicting delayed but durable response in some patients.

Methods: A mixture-cure economic model was developed from a US third-party payer perspective to assess the lifetime costs and benefits of NIVO+IPI versus chemo using data from Part 1 of the phase III CheckMate 227 trial with 5 years of follow-up. The model consisted of four health states: progression-free without long-term response (non-LTR), progression-free with long-term response (LTR), post-progression, and death.

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This case series describes the endovascular management of three patients with catheter-associated superior vena cava (SVC) syndrome. SVC syndrome can result from malignant (60%) or benign (40%) etiologies. The most common causes of benign SVC syndrome are indwelling central venous catheters (CVCs) with 1%-3% and 0.

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Background Several studies have investigated the role of neutrophil-to-lymphocyte ratio (NLR) in diagnosing and predicting the severity of acute appendicitis; however, few studies have analyzed its usefulness in pediatric appendicitis patients particularly in predicting postoperative complications. We investigated the role of NLR and assessed its clinical utility as a predictor of postoperative infectious complications in children with acute appendicitis. Methodology We performed a prospective cross-sectional study from July 2023 to July 2024 on 135 pediatric patients aged five to 12 years undergoing emergency appendectomy and having operative findings or histopathological confirmation of appendicitis.

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Article Synopsis
  • A total of 150 women underwent bilateral mammography and breast ultrasounds, revealing a 5.1% false-negative rate, with major contributing factors being lesion-related (39.7%), patient-related (26.7%), provider-related (19.3%), and technical-related issues (26.7%).
  • The findings emphasize the impact of dense breast tissue on missed diagnoses and recommend incorporating additional imaging methods like ultrasounds to improve detection rates, particularly for younger women, suggesting potential updates to Pakistan's national breast cancer screening guidelines.
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Background: Cardiovascular Diseases (CVDs) are the leading cause of global morbidity and mortality, necessitating innovative approaches for both therapeutics and diagnostics. Nanoscience has emerged as a promising frontier in addressing the complexities of CVDs.

Objective: This study aims to explorethe interaction of CVDs and Nanomedicine (NMs), focusing on applications in therapeutics and diagnostics.

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Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children and adolescents and its occurrence in adults is extremely rare. There are three major subtypes of RMS of which alveolar RMS (ARMS) has the worst prognosis and tends to metastasize to unusual locations such as the pancreas. We present a case of a 19-year-old male with a rapidly enlarging right orbital mass, the imaging of which revealed it to be an infiltrative lesion with extension into the nasal cavity, ethmoid sinuses, and intracranial involvement.

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  • * In children, Lassa fever presents symptoms similar to adults, with high case fatality rates (6-63%), particularly concerning in neonates (66.7%-75%) and significant risks such as bleeding and altered mental status.
  • * Developing a safe and effective vaccine is crucial, especially since current trials do not adequately include pregnant/breastfeeding women and young children; targeted strategies for diagnosis, management, and prevention in these high
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The localized surface-plasmon resonances of coinage-metal clusters and nanoparticles enable many applications, the conception and necessary optimization of which require precise theoretical description and understanding. However, for the size range from few-atom clusters through nanoparticles of a few nanometers, where quantum effects and atomistic structure play a significant role, none of the methods employed previously has been able to provide high-quality spectra for all sizes. The main problem is the description of the filled shells of d electrons which influence the optical response decisively.

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Enhancing the sensory appeal of jasmine instant tea, particularly its aroma, poses a significant challenge due to the loss of volatile organic compounds during conventional processing. This study introduces a novel approach to address this issue through the application of microencapsulation techniques, aimed at preserving these key aromatic elements. Our investigation focused on the encapsulating agents gelatin, acacia gum, carboxymethylcellulose (CMC), and maltodextrin, chosen for their compatibility with the volatile organic compounds of tea.

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Dry eye disease (DED) is a multifactorial condition affecting millions worldwide, characterized by discomfort, visual disturbance, and potential damage to the ocular surface. The complexity of its diagnosis and management, driven by the diversity of symptoms and underlying causes, presents significant challenges to clinicians. Artificial intelligence (AI) has emerged as a transformative tool in healthcare, offering potential solutions to these challenges through its data analysis, pattern recognition, and predictive modeling capabilities.

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Tumour budding is an emerging prognostic factor in oral squamous cell carcinoma (OSCC) that reflects the invasive behaviour of the tumour. This narrative review aims to provide a comprehensive overview of the role of tumour budding in OSCC, synthesizing current research and clinical findings. We explore the definition and characterization of tumour budding, its correlation with histopathological features, and its impact on patient outcomes.

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  • The study aimed to compare the effectiveness of modified combined trabeculotomy-trabeculectomy (CTT) with mitomycin-C (MMC) versus conventional CTT with MMC in reducing intraocular pressure (IOP) in patients with primary congenital glaucoma (PCG).
  • Conducted at The Institute of Ophthalmology, Lahore, from January 2018 to June 2019, the study included 70 patients aged 0 to 10 years, split into two groups for different surgical procedures.
  • Results showed that while both procedures reduced IOP, conventional CTT with MMC was more effective, achieving a success rate of 71.4% compared to 40% for modified CTT.
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  • Cocrystal screening of benznidazole (BZN) is essential for developing pharmaceuticals, as it enhances properties like bioavailability, stability, and solubility, particularly through hydrogen bonding with specific coformers.
  • Quantum chemical calculations revealed that the BZN-maleic acid cocrystal exhibits the strongest hydrogen bonding interaction (O-H…N) compared to other coformers, indicating its superior stability and potential benefits.
  • Analysis methods included density functional theory (DFT) and UV-Vis absorption spectra to objectively assess the physicochemical characteristics of the cocrystals versus pure BZN, demonstrating enhanced electron transition properties.
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Rationale Emphysema progression is heterogeneous. Predicting temporal changes in lung density and detecting rapid progressors may facilitate selection of individuals for targeted therapies. Objective To test whether computed tomography (CT) radiomics can be used to predict changes in lung density and detect rapid progressors.

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  • * The study used Neutron Activation Analysis to identify high levels of elements like Arsenic (As), Chromium (Cr), and Zinc (Zn), revealing pollution sources related to shipbreaking, river effluents, and geological factors.
  • * Findings indicate significant ecological risks due to toxic metals, especially As, Cr, and Zn, which pose threats to both marine life and human health.
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