In the present work, a diazonium salt is prepared by a diazonium reaction of sulfamerazine in the presence of aqueous hydrochloric acid and sodium nitrate. Structural confirmation of azo compounds synthesize is achieved by mass spectrometry, infrared spectroscopy, and H, C nuclear magnetic resonance. The sample geometry is derived using Density Functional Theory (DFT) and DT-DFT applied to the basis set B3LYPL6-311 + G(d,p).
View Article and Find Full Text PDFThe mechanisms through which systemic inflammation exerts its effect on the central nervous system (CNS) are still not completely understood. Exosomes are small (30 to 100 nm) membrane-bound extracellular vesicles released by most of the mammalian cells. Exosomes play a vital role in cell-to-cell communication.
View Article and Find Full Text PDFArch Razi Inst
April 2024
Background And Aims: Although gut inflammation and dysbiosis have been implicated in the pathophysiology of severe cases of coronavirus disease 2019 (COVID-19), the role of intestinal anti-inflammatory enzymes, such as alkaline phosphatase, is still underexplored. Therefore, the aim of this study was to compare intestinal alkaline phosphatase (iALP) activity and its proinflammatory substrate - bacterial lipopolysaccharide (LPS) - concentration between mild-to-moderate and severe COVID-19 patients.
Methods: Stool samples collected from 53 mild-to-moderate and 57 severe adult COVID-19 patients, previously enrolled in a national multicentre cross-sectional study (NCT04355741), were analysed for iALP activity and LPS concentration.
The mechanisms through which systemic inflammation exerts its effect on the CNS are still not completely understood. Exosomes are small (30 to 100 nanometers) membrane-bound extracellular vesicles released by most of the mammalian cells. Exosomes play a vital role in cell-to-cell communication.
View Article and Find Full Text PDFTau is an intracellular protein but also known to be released into the extracellular fluid. Tau release mechanisms have drawn intense attention as these are known to play a key role in Alzheimer's disease (AD) pathology. However, tau can also be released under physiological conditions although its physiological function and release mechanisms have been poorly characterized, especially in human neuronal cells.
View Article and Find Full Text PDFBackground: Children with cerebral palsy (CP) frequently have associated disorders and complications, including gastrointestinal problems. Helicobacter pylori is a common infection worldwide, frequently associated with gastrointestinal manifestations.
Methods: To estimate the prevalence of H.
Aim: To detect if we can use the reduction in the optic disc vessel density as an indicator to the reduction in intracranial tension in patients with residual optic disc elevation after shunt surgery as fundus examination in those cases is not conclusive.
Patients And Method: 21 patients with papilledema due to idiopathic intracranial hypertension underwent shunt surgery. Full neurological and ophthalmological assessments were done.
Pharmaceuticals (Basel)
February 2024
Aging is a known co-morbidity of ischemic stroke with its risk and severity increasing every year past 55+. While many of the current stroke therapies have shown success in reducing mortality, post-stroke morbidity has not seen the same substantial reduction. Recently, the involvement of cellular senescence and SASP in brain injury and neurological degeneration has been recognized.
View Article and Find Full Text PDFis a primary cause of waterborne epidemics, despite being previously considered only an opportunistic pathogen. The disease is associated with significant economic losses in humans and animals that are brought on by diarrhea, which frequently causes dehydration. Contact with diseased people or animals, as well as polluted water, is the major cause of infection.
View Article and Find Full Text PDFSO emissions are primarily caused by compounds containing sulfur in petroleum and fuels, which lead to severe air pollution. For this reason, it is necessary to develop a fast and simple desulfurization method in order to comply with ever-increasing environmental regulations. The newly discovered piezo-catalyst nanocomposite CeO/SrO can convert mechanical energy directly into chemical energy, thereby enabling mechanically oxidative sulfur desulfurization.
View Article and Find Full Text PDFIntroduction: Empowerment lifestyle programs are needed to reduce the risk of hypertension. Our study compared the effectiveness of two empowerment-based approaches toward blood pressure (BP) reduction: salt reduction-specific program vs. healthy lifestyle general program.
View Article and Find Full Text PDFAlthough elevated blood levels of trimethylamine -oxide (TMAO) have been associated with atherosclerosis development in humans, the role of its gut microbiota-derived precursor, TMA, in this process has not been yet deciphered. Taking this into account, and the fact that increased intestinal fatty acid absorption contributes to atherosclerosis onset and progression, this study aimed to evaluate the effect of TMA on fatty acid absorption in a cell line that mimics human enterocytes. Caco-2 cells were treated with TMA 250 μM for 24 h.
View Article and Find Full Text PDFParkinson's disease (PD) is a neurodegenerative disease showing uncontrollable motor symptoms that are primarily caused by the progressive loss of dopaminergic neurons in the brain. Currently no treatment exists to prevent PD progression. Therefore, discovery of new neuroprotective strategies still has great potential to benefit PD patients.
View Article and Find Full Text PDFInfect Drug Resist
September 2023
Highly invasive infections caused by , which includes bacteremia, liver abscess, meningitis, septic arthritis, and osteomyelitis, in not commonly seen in adult immunocompetent and immunocompromised patients. Here, we report an adult case of chronic multifocal osteomyelitis with severe cranial involvement caused by . The patient has a 5-year history of orbital abscess and multiple scalp traumas.
View Article and Find Full Text PDFIschemic stroke is one of the major causes of devastating neurological disabilities and mortality worldwide. Despite extensive research for treatment approaches, there remains limited therapy in the stroke field. Therefore, more research is required for reproducibility to understand stroke pathology in pre-clinical studies.
View Article and Find Full Text PDFThe precursor nerve growth factor (ProNGF) and its receptor p75 neurotrophin receptor (p75) are upregulated in several brain diseases, including ischemic stroke. The activation of p75 is associated with neuronal apoptosis and inflammation. Thus, we hypothesized that p75 modulation attenuates brain damage and improves functional outcomes after ischemic stroke.
View Article and Find Full Text PDFBackground/objectives: Indole-3-propionic acid (IPA) is a tryptophan-derived microbial metabolite that has been associated with protective effects against inflammatory and metabolic diseases. However, there is a lack of knowledge regarding the effects of IPA under physiological conditions and at the intestinal level.
Materials/methods: Human intestinal epithelial Caco-2 cells were treated for 2, 24, and/or 72 h with IPA or its precursors - indole, tryptophan, and propionate - at 1, 10, 100, 250, or 500 μM to assess cell viability, integrity, differentiation, and proliferation.
Background: Subjects with obesity exhibit changes in gut microbiota composition and function (i.e. dysbiosis) that contribute to metabolic dysfunction, including appetite impairment.
View Article and Find Full Text PDFAim: To detect the change in optic disc vessel density in patients with idiopathic intracranial hypertension (IIH) after shunt surgery.
Patients And Method: Twenty-one patients with IIH underwent shunt surgery. Patients were subjected to full ophthalmic and neurological examinations.
In order to advance desulfurization technology, a new method for excellent oxidative desulfurization of fuel at room temperature will be of paramount importance. As a novel desulfurization method, we developed piezo-catalysts that do not require adding any oxidants and can be performed at room temperature. A microwave method was used to prepare CeO/CeO/NiO nanocomposites.
View Article and Find Full Text PDFBackground: The COVID-19 pandemic and its prevention and control measures, such as social distancing, self-isolation, and quarantine, have a negative impact on the population's mental health. This study aimed to determine the prevalence of anxiety and stress among the general population during the outbreak of COVID-19 and assess their associated factors.
Methods: We carried out a cross-sectional study in Erbil governorate, Iraqi Kurdistan Region, from July 18 to September 12, 2020.
The novel coronavirus SARS-CoV-2 has caused significant global morbidity and mortality and continues to burden patients with persisting neurological dysfunction. COVID-19 survivors develop debilitating symptoms to include neuro-psychological dysfunction, termed "Long COVID", which can cause significant reduction of quality of life. Despite vigorous model development, the possible cause of these symptoms and the underlying pathophysiology of this devastating disease remains elusive.
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