Publications by authors named "Ullah R"

Platelet-derived growth factor alpha (PDGFRA) plays a significant role in various malignant tumors. PDGFRA expression boosts thyroid cancer cell proliferation and metastasis. Radiorefractory thyroid cancer is poorly differentiated, very aggressive, and resistant to radioiodine therapy.

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In this study, an optical sensor, JA/(2,6-di((E)-benzylidene)cyclohexan-1-one), was synthesized and characterized using H NMR and FT-IR spectroscopy. The sensor exhibited high efficiency and selectivity in detecting Pb ions, even in the presence of potential interfering ions such as Mn, Cu, Co, Cr, Ni, Ce, Hg, and Cd in aqueous solutions. The interaction of JA with Pb resulted in a significant enhancement of fluorescence intensity, suggesting the formation of a stable complex.

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Cotton (Gossypium hirsutum L.), a crucial global fibre and oil seed crop faces diverse biotic and abiotic stresses. Among these, temperature stress strongly influences its growth, prompting adaptive physiological, biochemical, and molecular changes.

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Background: It is well known from cross-sectional studies that pain intensity affects brain activity as measured by electroencephalography (EEG) in people with neuropathic pain (NP). However, quantitative characterisation is scarce.

Methods: In this longitudinal study, ten people with spinal cord injury-related NP recorded their home EEG activity ten days before and after taking medications over a period of several weeks.

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Rocky Mountain Spotted Fever, caused by the gram-negative intracellular bacteria Rickettsia rickettsii, is a serious tick-borne infection with a fatality rate of 20-30%, if not treated. Since it is the most serious rickettsial disease in North America, modified prevention and treatment strategies are of critical importance. In order to find new therapeutic targets and create multiepitope vaccines, this study integrated subtractive proteomics with reverse vaccinology.

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In Ayurvedic texts, Giloy ( have been known as the most potent and important medicinal product. Giloy leaves have been used for centuries to cure various ailments and diseases in the human body. This review highlights that giloy leaves have immunomodulatory properties and can be used to develop functional food products.

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The Hendra virus (HeV) has resulted in epidemics of respiratory and neurological illnesses in animals. Humans have contracted diseases with high fatality rates as a result of infected domestic animals, but effective vaccinations and therapies are currently not available against HeV. Herein, we analyzed the proteome of HeV and constructed an effective and innovative multi-epitope vaccine using immunoinformatics techniques.

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Free radical polymerization technique was used to formulate Poloxamer-188 based hydrogels for controlled delivery. A total of seven formulations were formulated with varying concentrations of polymer, monomer ad cross linker. In order to assess the structural properties of the formulated hydrogels, Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric analysis (TGA), Differential Scanning Calorimetry (DSC), Scanning electron microscopy (SEM), and X-ray diffraction (XRD) were carried out.

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Terrestrial nematodes are important soil microorganisms that modulate biological processes in soil ecosystems. Thus, these microorganisms have strong potential as soil health bioindicators. This study aimed to investigate their distribution patterns in Moroccan olive agroecosystems and to evaluate their structural and functional dynamics shaping soil disturbance status.

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This work aimed to evaluate the antiviral potential of compounds from Asian medicinal plants against SARS-CoV-2's main protease and spike glycoprotein, identifying dual inhibitors from these plants that target both proteins through advanced virtual screening, molecular dynamics simulations, and pharmacophore analysis. An in-house library of 335 antiviral natural products was prepared from the selected medicinal plants. Following the virtual screening of this library against the main protease and spike glycoprotein, top compounds were subjected to downstream analysis for evaluating druggability potential and toxicity analysis.

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Background: Digestive issues are recognized as significant contributors to various chronic diseases, including obesity, diabetes, and cardiovascular disease. Barley, a traditional grain, offers considerable promise in addressing these health challenges due to unique nutritional and bioactive compounds.

Objective: This review examines the therapeutic potential of various parts of barley, underutilized resource, for chronic disease prevention and management.

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Nowadays, Manganese (Mn) become an unavoidable ingredient in agriculture, medical and manufacturing industries. Manganese deficiency is rare, and even though recurrent exposure to manganese is inevitable for humans, concerns have been voiced regarding public health hazards. This research was designed to evaluate the manganese toxicity and potential protective effects of turmeric in Swiss albino male mice.

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The human microbial flora is quite diverse and versatile, playing several beneficial roles in association with the host and deriving nutrition from it. The present study aimed to identify gut microbial flora with potential probiotic activities. Eighteen bacterial isolates were screened from ten male individuals in this study.

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High-capacity communication networks are built to provide high throughput and low latency to accommodate the growing demand for bandwidth. However, the provision of these features is subject to a robust underlying network, which can provide high capacity with maximum reliability in terms of the system's connection availability. This work optimizes an existing 2D spectral-spatial optical code division multiple access (OCDMA) passive optical network (PON) to maximize connection availability while maintaining desirable communication capacity and capital expenditure.

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The versatile bacterium Kytococcus schroeteri is known for producing putative secondary metabolites. These include antimicrobials and other therapeutically significant compounds. The emergence of antibiotic-resistant pathogens has necessitated the exploration of possible sources for novel drug candidates.

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Purpose: Guanarito mammarenavirus (GTOV) is a highly pathogenic virus that leads to Venezuelan hemorrhagic fever (VHF). Despite being a severe disease, there are currently no commercially available drugs or vaccines for its prevention.

Methods: Here we computationally formulated a mRNA vaccine construct (VC) from the genome of GTOV to produce immunity against its infections.

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LEMIERRE SYNDROME: A FORGOTTEN INFECTION.

J Ayub Med Coll Abbottabad

November 2024

Lemierre's syndrome is a serious disease caused by an anaerobic bacteria called Fusobacterium necrophorum, which usually occurs in healthy teenagers and adolescents. The infection takes place in the throat and spreads through septic thrombosis of the tonsillar and internal jugular veins. The resulting bacterial infection is complicated by septic emboli in several places such as the lungs, joints and bones.

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Introduction Plantar fasciitis, a common cause of heel pain, is often treated conservatively. Platelet-rich plasma (PRP) injections have emerged as a promising treatment option. This study aimed to evaluate the efficacy of autologous PRP injections for plantar fasciitis.

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A rising corpus of research has shown the beneficial effects of probiotic on human health, contributing to the growing popularity of these microorganisms in recent decades. The gastrointestinal and urinary tracts are home to these bacteria, which play a vital role in the microbial flora of both humans and animals. The probiotic, i.

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Article Synopsis
  • This study investigates the active compounds in Chenopodium ambrosioides for their analgesic and antidiabetic properties, motivated by the plant's therapeutic effects.
  • The research utilized gas chromatography-mass spectrometry to analyze various aqueous extracts and fractions, finding several significant chemical families and compounds associated with these properties.
  • In the assays, the ethyl acetate fraction (EAF) displayed the highest α-amylase inhibition, while the infused aqueous macerate (EAM) was the most effective against α-glucosidase, outperforming the standard antidiabetic drug acarbose.
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Article Synopsis
  • The study presents a green method for synthesizing Iron oxide nanoparticles (IONPs) using the roots of the medicinal plant Sageretia thea, which is eco-friendly compared to traditional methods that rely on toxic chemicals.
  • Analytical tools like UV-Vis, FT-IR, XRD, EDX, and SEM confirmed the successful synthesis of IONPs, measuring an average size of 16.04 nm.
  • The IONPs exhibited significant biological activities, showcasing strong antibacterial and antifungal properties against various strains, along with notable cytotoxicity and anti-radical potentials (DPPH), indicating their potential for medical applications.
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This study aims to present a simplified bit-class probabilistic shaping (PS) strategy based on power domain multiplexing (PDM) systems. In this scheme, we employ bit-weighted distribution matching (BWDM) to achieve PS. By ingeniously applying the process of signal superposition, the low-complexity bit-class PS scheme requires encoding of only a small number of bits in the low-power two quadrature phase-shift keying (QPSK) signal, enhancing the quality of the transmitted signal with simple operations.

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Background: Coronary artery disease (CAD) is a leading cause of mortality worldwide. Treatments such as percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are crucial for managing CAD. While CABG is often preferred for complex cases, many patients require PCI due to graft failure or new blockages post-CABG.

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Article Synopsis
  • A low-complexity two-stage carrier phase recovery scheme, called PCRA-OML, is introduced for improving coherent optical communication systems using probabilistic shaping (PS)-M quadrature amplitude modulation (QAM).
  • The first stage focuses on selecting QPSK-shaped symbols, eliminating amplitude noise, and enhancing amplitudes, while the second stage implements a maximum likelihood algorithm to refine phase estimation stability and robustness.
  • Simulation and experimental results show that PCRA-OML offers significant optical signal-to-noise ratio gains over traditional methods, while also drastically reducing computational complexity in processing, making it more efficient in various QAM settings.
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The present work introduces a four-dimensional probability constellation mapping OFDM optical transmission system based on a two-dimensional inverse fast Fourier transform (2D-IFFT). A four-dimensional constellation structure employing color coding is designed, amalgamating geometric shaping with probability shaping to enhance the constellation figure of merit (CFM). Successful transmission of OFDM signals at 51.

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