The interactions between human serum albumin (HSA) and the hemostatic components of the Chinese medicine Sanguisorbae Radix (SR), specifically phenolic acid compounds such as caffeic acid (CA), ferulic acid (FA) and their 1:1 mixture (1:1) were studied to investigate the molecular mechanism underlying the hemostatic effect of SR. Network pharmacology combined with the experimental and computational data revealed that HSA is one of the hemostatic targets to SR phenolic acids. SDS-PAGE and multi-spectroscopy demonstrated that the phenolic acids bind to the Sudlow site I on HSA, altering its structure and influencing its migration velocity.
View Article and Find Full Text PDFThe percolation phase transition of a continuum adaptive neuron system with homeostasis is investigated. In order to maintain their average activity at a particular level, each neuron (represented by a disk) varies its connection radius until the sum of overlapping areas with neighboring neurons (representing the overall connection strength in the network) has reached a fixed target area for each neuron. Tuning the two key parameters in the model, i.
View Article and Find Full Text PDFObjective: To evaluate the ability of decline in intrinsic capacity to indicate the risk of mortality in older adults.
Design: Meta-analysis.
Methods: PubMed, EMBASE, Web of Science, the Cochrane Library, Wanfang Database, CNKI, VIP, and CBM were searched for relevant studies published from inception to October 31, 2023.
Eur J Gastroenterol Hepatol
November 2024
Neighboring genes within a shared promoter arrangement (i.e. opposite direction with the neighboring ends as the transcriptional start sites) are expected to have a high similarity in genotype tissue expression due to the potential overlap in the promoter region.
View Article and Find Full Text PDFIEEE Trans Image Process
September 2024
Autonomous underwater vehicles (AUVs) equipped with the intelligent underwater object detection technique is of great significance for underwater navigation. Advanced underwater object detection frameworks adopt skip connections to enhance the feature representation which further boosts the detection precision. However, we reveal two limitations of standard skip connections: 1) standard skip connections do not consider the feature heterogeneity, resulting in a sub-optimal feature fusion strategy; 2) feature redundancy exists in the skip connected features that not all the channels in the fused feature maps are equally important, the network learning should focus on the informative channels rather than the redundant ones.
View Article and Find Full Text PDFTransition-metal-catalyzed amination of aryl halides is one of the most employed methods for constructing -arylation adducts. However, the broad success of these reactions largely relies on the screening of precatalysts, elaborated ligands, and case-by-case optimization of reaction conditions (solvent, base, additive, temperature, ) for electronically or structurally diverse nucleophiles. Herein, we report an adaptive photochemical C-N coupling of aryl halides with various nitrogen nucleophiles (aliphatic and aromatic amines, amides, sulfonamides, pyrazoles, and ammonium salts) by Co(II) catalysis under the same reaction conditions (same precatalyst, same ligand, same base, same solvent, same temperature) without the addition of any exogenous photocatalyst.
View Article and Find Full Text PDFare a class of plant-specific transcription factors that play key roles in plant growth and stress responses. However, the mechanism by which influence adventitious root development in remains unclear. In this study, gene family in rose was identified and phylogenetically analyzed using bioinformatics analysis.
View Article and Find Full Text PDFPhytochemical investigation of the chloroform extract of the roots of (Asclepiadaceae) led to the isolation of a new cardiac aglycone, characterised as Cynanchin A (1), as well as one known cardenolide (2) and nine known C21 steroidal glycosides (3-10), Their structures were established by 1D and 2D NMR spectra referring to the literature, together with high-resolution mass spectrometric analysis. In the present research, the cytotoxic activities of the 11 compounds on five different human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7 and SW480) were evaluated . Most of the tested compounds showed potent inhibitory activities towards the five cell lines.
View Article and Find Full Text PDFACS Appl Mater Interfaces
October 2024
Rheumatoid arthritis (RA) is a complex inflammatory disease of the joints, which is often accompanied by degeneration of articular cartilage and bone erosion, seriously affecting the quality of life and psychological state of patients. RA is difficult to be cured completely, and currently the main purpose of relief is through the use of anti-inflammatory and antirheumatic drugs, hormones, and biological agents. Tofacitib is a new type of small molecule inhibitor, which has a good effect in the treatment of RA.
View Article and Find Full Text PDFStudy Design: A systematic review and Meta-analysis.
Objective: To compare the efficacy and safety of denosumab and teriparatide versus oral bisphosphonates to treat postmenopausal osteoporosis.
Summary Of Background Data: While bisphosphonates have historically been the cornerstone of pharmacological management for bone protection in patients, emerging evidence suggests that teriparatide and denosumab warrant further investigation as potential first-line treatments.
Objectives: Our objective was to establish a rapid and precise method for detecting hypervirulent (hvKP) by utilizing a duplex real-time multienzyme isothermal rapid amplification (real-time MIRA) and to evaluate its performance in clinical spiked blood specimens.
Methods: The research comprised two phases: an initial pilot study to establish the methodology and a clinical validation study to assess its effectiveness. In the pilot phase, we designed specific primers and probes targeting the hvKP and genes and subsequently developed a duplex real-time MIRA assay to evaluate its detection limits, specificity, and efficiency.
BMC Musculoskelet Disord
September 2024
Abdominal wall scar endometriosis (AWE) is a rare endometriosis that usually occurs after gynecological or obstetric surgery and for which surgical resection is the standard treatment. For large tissue defects after resection, abdominal wall reconstruction is needed. Here, we describe a mesh bridging technique using biological and polypropylene meshes for abdominal wall reconstruction.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
September 2024
Light is crucial for flower bud development in plants, serving as both signal and energy source. However, the mechanisms by which daylength and light intensity regulate flowering in modern roses remain unclear. In Rosa hybrida 'Carola', insufficient light delays flowering and reduces the sugar content in terminal buds.
View Article and Find Full Text PDFPeripheral nerve injury is a prevalent disease but the spontaneous recovery of nerve function is protracted and incomplete. Given the damaging of stem cells and fragile of intra-neural structures in the course of stem cell transplantation, our study tried to investigate whether encapsulating adipose derived mesenchymal stem cells (ADSCs) with GelMA could achieve better repair in peripheral nerve injury. PC-12 cells were cultured on the surface of GelMA encapsulating ADSCs and 3D co-culture system was constructed.
View Article and Find Full Text PDFPurpose: This study focused on the mechanisms of pyroptosis and oxidative damage exacerbation by NOD-like receptor thermal protein domain associated protein 3 (NLRP3) during the infection of canine corneal epithelial cells (CCECs) with Staphylococcus pseudintermedius.
Methods: The CCECs treated with dimethyl fumarate (DMF), recombinant high mobility group protein 1 (HMGB1), or N-acetylcysteine (NAC). The gasdermin (GSDM) family and HMGB1 mRNA expression levels were detected using quantitative reverse transcription polymerase chain reaction.
Microorganisms in the sediment play a pivotal role in the functioning and stability of seagrass ecosystems and their dynamics are influenced by the nutrient acquisition strategies of host plants. While the distinct impacts of microbial generalists and specialists on community dynamics are recognized, their distribution patterns and ecological roles within seagrass ecosystems remain largely unexplored. To address this issue, we conducted an analysis of community assembly processes and co-occurrence relationships of both microbial generalists and specialists within sediment profiles (0-100 cm) from seagrass habitats subjected to differing land use conditions.
View Article and Find Full Text PDFBackground: Umbilical cord blood (UCB) is a rich source of multifunctional stem cells characterized by low immunogenicity. Recent research in the fields of aging and regenerative medicine has revealed the potential of human umbilical cord blood-derived exosomes (UCB-Exos) in promoting wound healing, anti-aging, and regeneration. However, their role in neurodegenerative diseases, specifically Parkinson's disease (PD), remains unexplored.
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