Dipeptidyl Peptidase 4 (DPP4) Exacerbates Osteoarthritis Progression in an Enzyme-Independent Manner.

Chondrocyte senescence is a key driver of osteoarthritis (OA). Mitochondrial dysfunction and oxidative stress can induce chondrocyte senescence. However, the specific mechanisms by which senescence contributes to OA progression are not fully understood.

Enhancing Bone Regeneration and Osteogenic Quality by -HA Internalized Osteoblasts Synergized with ON Protein: Mechanistic Insights.

Bone scaffolds offer hope for oral jawbone repair, yet improving their osteogenic performance remains a clinical challenge. This study investigates a novel approach to enhance early bone formation and osteogenic quality by coloading hydroxyapatite (HA)─internalized osteoblasts (OHA) and osteonectin (ON) onto various scaffolds. Our findings demonstrated that the OHA could effectively facilitate the early bone regeneration by providing rapid calcium and phosphorus ion release via lysosome-mediated HA degradation, while the ON protein helps in ion deposition, cell proliferation, and matrix mineralization.

From quorum sensing inhibition to antimicrobial defense: The dual role of eugenol-gold nanoparticles against carbapenem-resistant Pseudomonas aeruginosa.

To address the pressing challenge of antibiotic resistance, particularly the robust defense mechanisms of Pseudomonas aeruginosa (P. aeruginosa) against conventional antibiotics, this study employs nanotechnology to enhance antimicrobial efficacy while ensuring good biocompatibility with the host. In this study, gold nanoparticles were chemically decorated with eugenol, a phenol-rich natural compound, using a one-pot synthesis method.

Corrigendum: A self-reference interference sensor based on coherence multiplexing.

[This corrects the article DOI: 10.3389/fchem.2022.

Single cell analysis of Idh mutant growth plates identifies cell populations responsible for longitudinal bone growth and enchondroma formation.

Enchondromas are a common tumor in bone that can occur as multiple lesions in enchondromatosis, which is associated with deformity of the affected bone. These lesions harbor somatic mutations in IDH and driving expression of a mutant Idh1 in Col2 expressing cells in mice causes an enchondromatosis phenotype. Here we compared growth plates from E18.

Enhancing GFPT1 expression with glutamine protects chondrocytes in osteoarthritis.

Objective: Osteoarthritis (OA) is the leading joint disease without currently available disease-modified drugs. The current study aimed to identify potential drug targets that could decelerate the progression of OA.

Methods: We employed Mendelian Randomization (MR) and colocalization analysis to identify therapeutic targets linked to 12 OA traits within 2645 targets.

Molecular Dynamics Insights into Mechanical Stability, Elastic Properties, and Fracture Behavior of PHOTH-Graphene.

PHOTH-graphene is a newly predicted 2D carbon material with a low-energy structure. However, its mechanical stability and fracture properties are still elusive. The mechanical stability, elastic, and fracture properties of PHOTH-graphene were investigated using classical molecular dynamics (MD) simulations equipped with REBO potential in this study.

Impact of Tibetan ethnicity and residence altitude on complications during total knee arthroplasty and difficulties of measurement of perioperative blood loss.

Purpose: Tibetan patients undergoing total knee arthroplasty (TKA) have greater fluctuations in perioperative haemoglobin levels and blood hypercoagulability. This study was to investigate whether ethnicity and altitude affect perioperative blood loss and the risk of complications after TKA.

Methods: We retrospectively enrolled 1,116 patients undergoing TKA for knee osteoarthritis at our hospital between January 2016 and September 2021.

A Bibliometric Analysis of Clear Aligner Treatment (CAT) From 2003 to 2023.

Clear aligner treatment (CAT) has been evolving over the past two decades. This study aims to conduct a comprehensive and up-to-date bibliometric analysis of publications related to CAT, presenting the research trends, landscapes, and hot spots in this field. All publications were retrieved from the Web of Science Core Collection from 2003 to 2023.

A case of herpes zoster secondary to monkeypox in a young man.

A 19-year-old young man presented with prodromal symptoms including fever and sore throat, followed by the development of scattered rashes in the perianal and penile regions. Monkeypox (MPX) was confirmed using polymerase chain reaction (PCR) of lesions. On the third day after complete resolution of the initial rash, the patient developed a new rash, which was diagnosed as secondary herpes zoster (HZ).

High-performance Ag-TiO nanoparticle composite catalyst synthesized by pulsed laser ablation in liquid: properties, mechanism and preparation studies.

Precious metal doping can effectively improves the catalytic performance of TiO. In this study, pulsed laser ablation in liquid (PLAL) is employed to integrate preparation with doping and control composite nanoparticle products by adjusting the laser action time to synthesise Ag-TiO composite nanoparticles with high catalytic performance. The generation and evolution of Ag-TiO nanoparticles are investigated by analysing particle size, microscopic morphology, crystalline phase, and other characteristics.

The prevalence and mechanisms of heteroresistance to ceftazidime/avibactam in KPC-producing Klebsiella pneumoniae.

Objectives: To investigate the prevalence and mechanisms of ceftazidime/avibactam heteroresistance in KPC-producing Klebsiella pneumoniae (KPC-KP) isolates, as well as the role of heteroresistance in the transition of ceftazidime/avibactam susceptibility to resistance.

Methods: Clinical KPC-KP isolates were obtained from a tertiary hospital in China from 2016 to 2017 and 2019 to 2020. Antimicrobial susceptibility was determined by the broth microdilution method.

Correlation between thyroid hormone sensitivity and the risk of polycystic ovary syndrome.

Objective: There has been some confusion in earlier research on the connection between thyroid function and polycystic ovary syndrome (PCOS). This research is aimed to probe into the correlation between thyroid condition and the risk of PCOS from a new standpoint of thyroid hormone sensitivity.

Methods: This research comprised 415 females with PCOS from Drum Tower Hospital Affiliated with the Medical School of Nanjing University, and 137 non-PCOS individuals were selected as the normal control.

PAM-1: an antimicrobial peptide with promise against ceftazidime-avibactam resistant infection.

Introduction: Antibiotic misuse and overuse have led to the emergence of carbapenem-resistant bacteria. The global spread of resistance to the novel antibiotic combination ceftazidime-avibactam (CZA) is becoming a severe problem. Antimicrobial peptide PAM-1 offers a novel approach for treating infections caused by antibiotic-resistant bacteria.

Role of extracellular vesicles in castration-resistant prostate cancer.

Prostate cancer (PCa) is a common health threat to men worldwide, and castration-resistant PCa (CRPC) is the leading cause of PCa-related deaths. Extracellular vesicles (EVs) are lipid bilayer compartments secreted by living cells that are important mediators of intercellular communication. EVs regulate the biological processes of recipient cells by transmitting heterogeneous cargoes, contributing to CRPC occurrence, progression, and drug resistance.

Extracellular vesicle-mediated communication between CD8 cytotoxic T cells and tumor cells.

Tumors pose a significant global public health challenge, resulting in numerous fatalities annually. CD8 T cells play a crucial role in combating tumors; however, their effectiveness is compromised by the tumor itself and the tumor microenvironment (TME), resulting in reduced efficacy of immunotherapy. In this dynamic interplay, extracellular vesicles (EVs) have emerged as pivotal mediators, facilitating direct and indirect communication between tumors and CD8 T cells.

Effect of Strain Rate, Temperature, Vacancy, and Microcracks on Mechanical Properties of 8-16-4 Graphyne.

The 8-16-4 graphyne, a recently identified two-dimensional carbon allotrope, exhibits distinctive mechanical and electrical properties, making it a candidate material for flexible electronic applications. This study endeavors to enhance our comprehension of the fracture behavior and mechanical properties of 8-16-4 graphyne. The mechanical properties of 8-16-4 graphyne were evaluated through molecular dynamics simulations, examining the impact of boundary conditions, temperature, and strain rate, as well as the coupled interactions between temperature, vacancy defects, and microcracks.

Unravelling Childhood Tinea Capitis: A Multi-Dimensional Investigation Using Dermoscopy, Scanning Electron Microscopy and Mass Spectrometry.

Tinea capitis, a common cutaneous fungal infection, shows an increasing prevalence with the increasing number of pets. We present tinea capitis in a 4-year-old girl presenting without typical symptoms such as alopecia or hair breakage. After a comprehensive evaluation including dermoscopy, Wood's light, direct KOH fluorescent staining, scanning electron microscopy, fungal culture and mass spectrometry analysis, a diagnosis of tinea capitis infected Microsporum canis carried by domestic cats was made.

Disease progression and clinical outcomes in latent osteoarthritis phenotypes: Data from the Osteoarthritis Initiative.

The prevalence of knee osteoarthritis (OA) is widespread and the heterogeneous patient factors and clinical symptoms in OA patients impede developing personalized treatments for OA patients. In this study, we used unsupervised and supervised machine learning to organize the heterogeneity in knee OA patients and predict disease progression in individuals from the Osteoarthritis Initiative (OAI) dataset. We identified four distinct knee OA phenotypes using unsupervised learning that were defined by nutrition, disability, stiffness, and pain (knee and back) and were strongly related to disease fate.

The Free Triiodothyronine, Gamma-Glutamyl Transpeptidase and Spontaneous Bacterial Peritonitis Index: A Novel Model for Predicting 1-Year Mortality in Patients with HBV-Related Hepatic Encephalopathy.

Background And Aims: Hepatic encephalopathy (HE) is characterized by neuropsychiatric manifestations in patients with decompensated cirrhosis (DC) and/or liver failure. This study aimed to investigate the predictive value of thyroid hormone in patients with HE.

Methods: Patients with DC and HE were enrolled, and multivariate logistic analysis was conducted to analyze the risk factors for 1-year mortality.

Intercalation chemistry engineering strategy enabled high mass loading and ultrastable electrodes for High-Performance aqueous electrochemical energy storage devices.

Aqueous electrochemical energy storage devices (AEESDs) are considered one of the most promising candidates for large-scale energy storage infrastructure due to their high affordability and safety. Developing electrodes with the merits of high energy density and long lifespan remains a challenging issue toward the practical application of AEESDs. Research attempts at electrode materials, nanostructure configuration, and electronic engineering show the limitations due to the inherent contradictions associated with thicker electrodes and ion-accessible kinetics.