Heart failure (HF) syndrome is of great interest as an emerging epidemic. Due to the increasing elderly population worldwide, the total number of HF patients is increasing every day. This disease places a significant economic burden on the healthcare and treatment systems of developing societies, and this situation is very concerning.
View Article and Find Full Text PDFLiver diseases are a significant global health issue, characterized by elevated levels of disorder and death. The substantial impact of ageing on liver diseases and their prognosis is evident. Multiple processes are involved in the ageing process, which ultimately leads to functional deterioration of this organ.
View Article and Find Full Text PDFIntroduction: Human adipose-derived stem cells (hADSCs) are considered a promising source for cell replacement therapy in degenerative and traumatic conditions. This study explores the effects of phenylacetate and calcium on the neural differentiation of hADSCs for regenerative medicine. We assessed cell viability and cytotoxicity using the MTT assay, revealing that treatment with 1μM phenylacetate significantly enhanced cell viability compared to control groups over five days, while higher concentrations resulted in cytotoxic effects.
View Article and Find Full Text PDFBackground: The concentration monitoring of the banned metronidazole (MTZ) drug as the alarmed carcinogenic agent in human biofluids is medically essential. The electrochemical aptasensors are good candidates to overcome some presence challenges in the detection process.
Results: Herein, an electrochemical aptasensor based on nitrogen and sulfur co-doped carbon dots (NcS-CDs) has been developed for the high-sensitive detection of MTZ for the first time.
We present a computational model that integrates mechanobiological regulations, angiogenesis simulations and models natural callus development to simulate bone fracture healing in rodents. The model inputs include atomic force microscopy values and micro-computed tomography on the first-day post osteotomy, which, combined with detailed finite element modeling, enables scrutinizing mechanical and biological interactions in early bone healing and throughout the healing process. The model detailed mesenchymal stem cell migration patterns, which are essential for tissue transformation and vascularization during healing, indicating the vital role of blood supply in the healing process.
View Article and Find Full Text PDFIntroduction: Vitiligo is a common pigmentation disorder manifested by white macules and patches. It is accompanied by some autoimmune and neurological diseases. Recently, it has been suggested that multiple sclerosis (MS) is more common in vitiligo patients and that they have a higher risk of developing MS during their lifetime.
View Article and Find Full Text PDFWe employed operando soft X-ray absorption spectroscopy (XAS) to monitor the changes in the valence states and spin properties of LaMn Co O catalysts subjected to a mixture of CO and O at ambient pressure. Guided by simulations based on charge transfer multiplet theory, we quantitatively analyze the Mn and Co 2p XAS as well as the oxygen K-edge XAS spectra during the reaction process. The Mn sites are particularly sensitive to the catalytic reaction, displaying dynamics in their oxidation state.
View Article and Find Full Text PDFSteering the selectivity of electrocatalysts toward the desired product is crucial in the electrochemical reduction of CO. A promising approach is the electronic modification of the catalyst's active phase. In this work, we report on the electronic modification effects on CuO-ZnO-derived electrocatalysts synthesized via hydrothermal synthesis.
View Article and Find Full Text PDFThe severe respiratory effects of the coronavirus disease 2019 (COVID-19) pandemic have necessitated the immediate development of novel treatments. The majority of COVID-19-related fatalities are due to acute respiratory distress syndrome (ARDS). Consequently, this virus causes massive and aberrant inflammatory conditions, which must be promptly managed.
View Article and Find Full Text PDFChronic pelvic pain is heterogeneous with potentially clinically informative subgroups. We aimed to identify subgroups of pelvic pain based on symptom patterns and investigate their associations with inflammatory and chronic pain-related comorbidities. Latent class analysis (LCA) identified subgroups of participants (n = 1255) from the Adolescence to Adulthood (A2A) cohort.
View Article and Find Full Text PDFBackground: Mitochondrial organelles play a crucial role in cellular metabolism so different cell types exhibit diverse metabolic and energy demands. Therefore, alternations in the intracellular distribution, quantity, function, and structure of mitochondria are required for stem cell differentiation. Finding an effective inducer capable of modulating mitochondrial activity is critical for the differentiation of specific stem cells into osteo-like cells for addressing issues related to osteogenic disorders.
View Article and Find Full Text PDFActivation of human carbonic anhydrase II (hCA II) holds great promise for treating memory loss symptoms associated with Alzheimer's disease. Despite its importance, the activation mechanism of hCA II has been largely overlooked in favor of the well-studied inhibition mechanism. To address this unexplored realm, we use first-principles calculations to tease out the activation mechanism of hCA II using 2-(2-aminoethyl)-pyridine (2-2AEPy), a promising activator.
View Article and Find Full Text PDFBacillus subtilis can potentially serve as an efficient expression host for biotechnology due to its ability to secrete extracellular proteins and enzymes directly into the culture medium. One of the important challenges in the biotechnology industry is to optimize the transformation conditions of B. subtilis bacteria.
View Article and Find Full Text PDFCurr Stem Cell Res Ther
January 2024
The mesenchymal stem cells (MSCs) are the fundamental part of bone tissue engineering for the emergence of reconstructive medicine. Bone tissue engineering has recently been considered a promising strategy for treating bone diseases and disorders. The technique needs a scaffold to provide an environment for cell attachment to maintain cell function and a rich source of stem cells combined with appropriate growth factors.
View Article and Find Full Text PDFPurpose: This systematic review evaluates the safety and efficacy of ocular gene therapy using adeno-associated virus (AAV).
Methods: MEDLINE, Embase, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov were searched systematically for controlled or non-controlled interventional gene therapy studies using key words related to retinal diseases, gene therapy, and AAV vectors.
Background: Bioactive polysaccharides are a promising way for bone disease prevention with high efficiency. Schizophyllan (SPG) is a polysaccharide derived from a species of fungus with anticancer, antitumor, and anti-inflammatory effects. In the present study, for the first time, the cell proliferation, osteogenic markers, mineral deposition, and osteogenic gene expression of human adipose tissue-derived mesenchymal stem cells (hADMSCs) grown on SPG were evaluated by in vitro assays.
View Article and Find Full Text PDFKeratocytes are the main cellular components of the corneal stroma. This cell is quiescent and cannot be cultured easily. The aim of this study was to investigate differentiate human adipose mesenchymal stem cells (hADSCs) into corneal keratocyte cells by combining natural scaffolds and conditioned medium (CM) and evaluating their safety in the rabbit's cornea.
View Article and Find Full Text PDFIntroduction: The two less-known subtypes of lichen planus (LP) are lichen planus actinicus (LPA) and lichen planus pigmentosus (LPP), with the highest prevalence in the Middle East.
Objectives: We aimed to evaluate the clinicopathological profile of these patients.
Methods: Three hundred and seven cases including 184 LPA and 123 LPP patients were recruited from the registered pathology reports of Razi Skin Hospital of Tehran from April 2016 to March 2021.
Introduction: Over the past few years, stem cells have represented a promising treatment in neurological disorders due to the well-defined characteristics of their capability to proliferate and differentiate into any cell type, both and . Additionally, previous studies have shown that calcium signaling modulates the proliferation and differentiation of neural progenitor cells. The present study investigated the effect of carbachol (CCh), a cholinergic agonist activating acetylcholine receptors, with and without calcium, on the neural differentiation of human adipose tissue-derived mesenchymal stem cells (hADSCs) in neural media, including forskolin and 3-isobutyl-1-methyl-xanthine and retinoic acid.
View Article and Find Full Text PDFBackground: Kaposi's sarcoma (KS) is a rare multifocal angiogenic tumor often seen in immunocompromised setting such as acquired immunodeficiency syndrome (AIDS) or organ transplantation recipients. Pemphigus vulgaris (PV) is a rare blistering disorder with mucocutaneous involvement for which immunosuppressive therapy has long been the core of treatment. Iatrogenic form of KS has been reported infrequently in pemphigus patients as a result of long-term immunosuppressive therapy.
View Article and Find Full Text PDFEndometriosis is a common condition associated with debilitating pelvic pain and infertility. A genome-wide association study meta-analysis, including 60,674 cases and 701,926 controls of European and East Asian descent, identified 42 genome-wide significant loci comprising 49 distinct association signals. Effect sizes were largest for stage 3/4 disease, driven by ovarian endometriosis.
View Article and Find Full Text PDFWe conducted a systematic review and meta-analysis of randomized control trials to formally assess the safety and efficacy of autologous whole cell vaccines as immunotherapies for solid tumors. Our primary safety outcome was number, and grade of adverse events. Our primary efficacy outcome was clinical responses.
View Article and Find Full Text PDFA new methodology based on an adaptive grid algorithm followed by an analysis of the ground state from the fit parameters is presented to analyze and interpret experimental XAS L-edge data. The fitting method is tested first in a series of multiplet calculations for d-d systems and for which the solution is known. In most cases, the algorithm is able to find the solution, except for a mixed-spin Co complex, where it instead revealed a correlation between the crystal field and the electron repulsion parameters near spin-crossover transition points.
View Article and Find Full Text PDFBackground: Bone tissue engineering, as a relatively new approach, has focused on combining biodegradable scaffolds, cells, and biologically active molecules for the recovery of different damaged tissues, such as bone defects. Polyurethane (PU), as a synthetic polymer, benefits from a porous structure which impersonates bone's natural environment. However, PU lacks osteoinduction activities.
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