MicroRNAs (miRNAs), a distinctive class of small single-stranded non-coding RNA molecules typically spanning between 21 and 23 nucleotides, hold a pivotal position within the intricate regulatory network governing gene expression. Notably, miR-767, located on chromosome Xq28, has emerged as a significant player in tumor development, with its two mature products, miR-767-3p and miR-767-5p, garnering considerable attention in scientific inquiry. Extensive investigations reveal aberrant expression patterns of miR-767 across a spectrum of cancers affecting neurological, digestive, reproductive, urinary, and respiratory systems.
View Article and Find Full Text PDFLiquid-liquid phase separation (LLPS) is a significant reversible and dynamic process in organisms. Cells form droplets that are distinct from membrane-bound cell organelles by phase separation to keep biochemical processes in order. Nevertheless, the pathological state of LLPS contributes to the progression of a variety of tumor-related pathogenic issues.
View Article and Find Full Text PDFHyaluronate lyases are widely used in medicine and biochemical engineering and are also applied as a tool enzyme to prepare oligosaccharides with various biological activities. To date, only a few hyaluronate lyases are on sale with poor thermostability. In this study, a PL8 hyaluronate lyase, TcHly8D, was found from and expressed in with a maximum yield of 1.
View Article and Find Full Text PDFMitochondrial uncouplers dissipate proton gradients and deplete ATP production from oxidative phosphorylation (OXPHOS). While the growth of prostate cancer depends on OXPHOS-generated ATP, the oncogenic pathway mediated by the transcription factor E2F1 is crucial for the progression of this deadly disease. Here, we report that mitochondrial uncouplers, including tizoxanide (TIZ), the active metabolite of the Food and Drug Administration (FDA)-approved anthelmintic nitazoxanide (NTZ), inhibit E2F1-mediated expression of genes involved in cell cycle progression, DNA synthesis, and lipid synthesis.
View Article and Find Full Text PDFObjective: This study systematically investigates the causal relationships between 731 immune cell phenotypes and age-related macular degeneration (AMD) using comprehensive Mendelian randomization (MR) analyses. The goal is to identify immune cell factors that contribute to or protect against AMD, thereby clarifying the immunological mechanisms underlying AMD pathophysiology and informing prevention and treatment strategies.
Methods: Univariable, bidirectional, and multivariable MR analyses were conducted to evaluate the associations between immune cells and AMD.
Front Med (Lausanne)
December 2024
In a recent study to identify arabidopsis (Arabidopsis thaliana) genes involved in maintaining normal leaf microbiota, Cheng et al. discovered TIP GROWTH DEFECTIVE1 (TIP1) encoding an S-acyltransferase. The tip1 mutant exhibits abnormal microbiota levels and phenotypes resembling autoimmune mutants.
View Article and Find Full Text PDFBackground: Osteoporosis is a prevalent metabolic bone disease. Osteoporotic fractures can lead to severe functional impairment and increased mortality. Long noncoding RNA H19 has emerged as a pivotal player in bone remodeling, serving both as a biomarker and a regulator.
View Article and Find Full Text PDFDespite the revolutionary achievements of chimeric antigen receptor (CAR) T cell therapy in treating cancers, especially leukemia, several key challenges still limit its therapeutic efficacy. Of particular relevance is the relapse of cancer in large part as a result of exhaustion and short persistence of CAR-T cells in vivo. IL-2-inducible T cell kinase (ITK) is a critical modulator of the strength of T cell receptor signaling, while its role in CAR signaling is unknown.
View Article and Find Full Text PDFThree purified polysaccharides, CDAP-1, CDAP-2, and CDAP-3, were prepared from the rhizome of Cistanche deserticola and characterized. Structural analysis revealed that CDAP-1 and CDAP-2 are highly branched RG-I-type polysaccharides with side chains, including arabinans, galactans, and/or AGs, whereas CDAP-3 is a typical HG-type polysaccharide. In vivo tests revealed that treatment with the crude polysaccharide fraction (CDCP) significantly prolonged the survival of H22 tumor-bearing mice and exhibited antitumor effects.
View Article and Find Full Text PDFRecent empirical research posits a link between lymphocyte subgroups and both the incidence and prognosis of sepsis. Nevertheless, the potential influence of multiple confounding variables obscures any clear causative correlation. Utilizing a 2-sample Mendelian randomization approach, we conducted a meta-analysis of lymphocyte subgroups.
View Article and Find Full Text PDFBackground: Percutaneous nephrolithotomy (PCNL) is the standard procedure for treating upper urinary tract calculi and complex kidney calculi >2 cm in diameter, though it has a high incidence of postoperative complications. This study aimed to investigate the effect of Orem's management model on patients undergoing PCNL.
Methods: This retrospective study included 465 patients who underwent PCNL from February 2022 to February 2023 from two tertiary hospitals.
The Editors of Medical Science Monitor wish to inform you that the above manuscript has been retracted from publication due to concerns with the credibility and originality of the study, the manuscript content, and the Figure images. Reference: Chunping Yao, Xiujuan Cao, Zheng Fu, Jing Tian, Wei Dong, Jin Xu, Kang An, Limin Zhai, Jinming Yu. Boschniakia rossica Polysaccharide Triggers Laryngeal Carcinoma Cell Apoptosis by Regulating Expression of Bcl-2, Caspase-3, and P53.
View Article and Find Full Text PDFThe significant temperature response of lanthanide-doped up-conversion luminescent materials is typically characterized by a severe thermal quenching of the luminescence intensity at elevated ambient temperatures, which severely restricts materials' capability in temperature sensing. Herein, the influence of matrix phonon properties on the remarkable thermal enhancement effect in the thermosensitive material NaLaMgWO:Yb/Nd is reported. It is elucidated that achieving a significant thermal enhancement of Nd with a higher phonon energy oxide matrix is easier than a halide matrix, which has lower phonon energy by comparison with previous findings.
View Article and Find Full Text PDFAppl Biochem Biotechnol
February 2025
Hyaluronic acid (HA) is an important component of extracellular matrices (ECM) and a linear polysaccharide involved in various physiological and pathological processes within the biological system. Several pathogens exploit HA degradation within the extracellular matrix to facilitate infection. While many intestinal microorganisms play significant roles in HA utilization in the human body, there remains a scarcity of related studies.
View Article and Find Full Text PDFPurpose: Periodontal ligament cells (PDLCs) play a significant role in orthodontic force induced bone remodeling. However, the molecular mechanisms by which PDLCs respond to mechanical stimuli and influence osteoclastic activities remain unclear. This study aims to investigate the role of UCHL1, a key deubiquitinating enzyme involved in protein degradation and cellular responses, in force-treated PDLCs during orthodontic tooth movement (OTM).
View Article and Find Full Text PDFObjectives: To evaluate changes in health outcomes between years 2 and 3 after discharge following COVID-19 and to identify risk factors for poor health 3-year post-discharge.
Design: This is a multicentre observational cohort study.
Setting: This study was conducted in two centres from Wuhan, China.
Mutations in human (ciliogenesis associated kinase 1) are linked to ciliopathies and epilepsy. Homozygous point and nonsense mutations that extinguish kinase activity impair primary cilia function, whereas mutations outside the kinase domain are not well understood. Here, we produced a knock-in mouse equivalent to the human A615T variant identified in juvenile myoclonic epilepsy (JME).
View Article and Find Full Text PDFIn this paper, the problem of adaptive neural network prescribed performance tracking control for a class of non-strict feedback time-delay systems constrained by full-state is studied. Radial basis function (RBF) neural networks (NNs) are integrated into the backstepping medium to deal with the uncertain functions and the barrier Lyapunov function (BLF) technique ensures that the state of the system does not exceed its limits. Subsequently, integrated with the Lyapunov-Krasovskii functional, the proposed control scheme makes the tracking errors converge to the preset region while the state constraint is not violated.
View Article and Find Full Text PDFAims: Orthodontic treatment commonly results in orthodontically induced inflammatory root resorption (OIIRR). This condition arises from excessive orthodontic force, which triggerslocal inflammatory responses and impedes cementoblasts' mineralization capacity. Low-intensity pulsed ultrasound (LIPUS) shows potential in reducing OIIRR.
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