Environmental factors ultraviolet a and ozone exacerbate the repeated inhalation toxicity of 6PPD in mice via accelerating the aging reaction.

The burden of N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD) and its oxidized products on human health can no longer be ignored due to the detection types and concentrations in the environment continue to increase. Environmental ozone (O) and ultraviolet A (UVA) may induce ozonation and photoaging of 6PPD to produce toxic products. However, the impact of specific environmental conditions on the aging and toxic effects of 6PPD is unclear.

Seroprevalence of hepatitis B among the general population in Shandong Province, Eastern China, an update 30 years after the implementation of the neonatal vaccination program.

Background: In 1992, Hepatitis B vaccine was first recommended for routine neonatal immunization in China. This study aimed to estimate the prevalence of hepatitis B virus (HBV) infection in Shandong Province, eastern China (updating our previous study in 2014), and to help guide the efforts of hepatitis B elimination.

Methods: We determined prevalence of HBV infection from the remaining serum samples collected through a population-based survey, which was originally intended for a seroepidemiological survey of anti-SARS-CoV-2 antibodies conducted in 2023.

Mapping fetal brain development of 10 weeks gestational age with 9.4T postmortem MRI and histological sections.

Background And Purpose: The 10th week of gestational age (GA) is a critical period for evaluating brain development, but there is limited knowledge regarding the specific characteristics at this GA. This study is to map the brain structures at 10 weeks GA using 9.4T MRI and histological sections.

Dopamine receptor agonist pramipexole exerts neuroprotection on global cerebral ischemia/reperfusion injury by inhibiting ferroptosis.

Objective: To explore the mechanism of dopamine receptor agonist pramipexole in exerting neuroprotection on global cerebral ischemia/reperfusion injury (GCI/R).

Material And Method: Male Sprague-Dawley rats were randomly divided into four groups (n = 36 in each group), and the Pulsinelli's four-vessel occlusion method was used to establish the rat model of GCI/R injury. Pramipexole administration group was intraperitoneally injected with pramipexole 0.

Niacin regulates glucose metabolism and osteogenic differentiation via the SIRT2-C/EBPβ-AREG signaling axis.

The pathogenesis of osteoporosis is driven by several mechanisms including the imbalance between osteoblastic bone formation and osteoclastic bone resorption. Currently, the role of Niacin (NA), also known as vitamin B3, in the regulation of osteoblastic differentiation is not fully understood. Data from the NHANES database were employed to investigate the association of NA intake with the prevalence of osteoporosis.

Effect of Perineural or Intravenous Betamethasone on Femoral Nerve Block Outcomes in Knee Arthroplasty: A Randomized, Controlled Study.

Objectives: Despite the use of multimodal analgesia, patients undergoing knee arthroplasty still encounter residual moderate pain. The addition of betamethasone to local anesthetic has been shown to improve postoperative pain. However, it remains uncertain whether the positive effects of perineural or intravenous administration of betamethasone on analgesia outcomes lead to better early mobility and postoperative recovery.

Environmental Surveillance of Human Astroviruses in Jinan City of China, 2020-2021.

Human astroviruses (HAstVs) are a significant etiological agent of acute gastroenteritis in children. In order to investigate the circulation of HAstVs during the COVID-19 pandemic, a 2-year environmental surveillance was conducted in Jinan between 2020 and 2021. A total of 24 sewage samples were collected and concentrated.

Insights into the mechanisms of telbivudine-induced myopathy associated with mitochondrial dysfunction.

As a nucleotide analogue (NA), telbivudine was widely used in the treatment for chronic hepatitis B (CHB) by interfering with reverse transcriptase of hepatitis B virus. However, the use of NAs for hepatitis B treatment has been accompanied by numerous reports highlighting the occurrence of neuromyopathy, particularly in the case of telbivudine. This study aimed to investigate the underlying mechanisms responsible for telbivudine-induced myopathy.

The mediating effects of social support and depressive symptoms on activities of daily living and social frailty in older patients with chronic heart failure.

Objectives: To investigate the level of social frailty (SF) in older patients with chronic heart failure (CHF) and examine the mediating role of social support and depressive symptoms between activities of daily living and SF.

Methods: Using a convenience sampling method, 205 older patients with CHF were recruited from China between November 2021 and May 2022. Activities of daily living, social support, depressive symptoms, and SF were assessed using a self-administered questionnaire.

Mechanical force induces mitophagy-mediated anaerobic oxidation in periodontal ligament stem cells.

Background: The preference for glucose oxidative mode has crucial impacts on various physiological activities, including determining stem cell fate. External mechanical factors can play a decisive role in regulating critical metabolic enzymes and pathways of stem cells. Periodontal ligament stem cells (PDLSCs) are momentous effector cells that transform mechanical force into biological signals during the reconstruction of alveolar bone.

Associations between antipsychotics and the risk of incident cardiovascular diseases in individuals with schizophrenia: a nested case-control study.

Background: The association between antipsychotics and cardiovascular diseases (CVDs) remains significant yet unestablished, especially in Chinese populations.

Objective: To investigate the risk of CVDs associated with antipsychotics among Chinese individuals with schizophrenia.

Methods: We conducted a nested case-control study on individuals diagnosed with schizophrenia in Shandong, China.

Construction of a prognostic model of luteolin for endometrial carcinoma.

Objective: Endometrial cancer is one of the most common tumors of the female reproductive system, and the existing treatment options for advanced and metastatic endometrial cancer have certain limitations. The antitumor activity of luteolin has been gradually discovered. The purpose of this study was to predict the potential of luteolin in the treatment of endometrial cancer and to provide reference for future clinical drug use.

Mechanism investigation and experiment validation of capsaicin on uterine corpus endometrial carcinoma.

Using bioinformatics analysis and experimental operations, we intend to analyze the potential mechanism of action of capsaicin target gene GATA1 in the treatment of uterine corpus endometrial carcinoma (UCEC) and develop a prognostic model for the disease to validate this model. By obtaining capsaicin and UCEC-related DR-DEGs, the prognosis-related gene GATA1 was screened. The survival analysis was conducted via establishing high and low expression groups of GATA1.

Comparison of the effects of autologous and allogeneic purified platelet-rich plasma on cartilage damage in a rabbit model of knee osteoarthritis.

Background: Purified platelet-rich plasma (P-PRP) is gradually being used in the treatment of osteoarthritis (OA), and its sources are mainly divided into autologous and allogeneic blood. However, it is unclear whether autologous PRP is more effective or allogeneic PRP is superior.

Objective: In this study, autologous and allogeneic P-PRP was injected at early stage of KOA in rabbits, and then the differences in the efficacy of the two P-PRPs against KOA were compared from several perspectives, including pathological histology and immunohistochemistry.

Lipid metabolism-related genes as biomarkers and therapeutic targets reveal endometrial receptivity and immune microenvironment in women with reproductive dysfunction.

Background: In recent years, alterations in lipid metabolism are currently considered a hallmark feature of many diseases. However, the role in women with reproductive dysfunction (WRD) remains to be fully elucidated. Here, this study aimed to explore the effect of lipid metabolism-related genes (LMRGs) on endometrial receptivity of WRD.

Global prevalence, treatment and outcome of tuberculosis and COVID-19 coinfection: a systematic review and meta-analysis (from November 2019 to March 2021).

Introduction: The COVID-19 outbreak poses a significant threat to the patients with tuberculosis (TB). TB and COVID-19 (TB-COVID) coinfection means the disease caused by both and SARS-CoV-2 infection. Currently, the prevalence status, treatment and outcomes of the coinfection are poorly characterised.

Exploring the mechanism and experimental verification of puerarin in the treatment of endometrial carcinoma based on network pharmacology and bioinformatics analysis.

Endometrial carcinoma is one of the two cancers with rising mortality and morbidity in recent years. In the light of many controversies about its treatment, it is urgent to construct a new prognostic model and to find out new therapeutic directions. As a small drug molecule widely used in clinical treatment and experimental research in China, puerarin has recently been proven to have obvious anti-cancer effects in multiple cancer cells.

Efficacy and safety of hepatic artery infusion chemotherapy with mFOLFOX in primary liver cancer patients with hyperbilirubinemia and ineffective drainage: a retrospective cohort study.

Background: Hyperbilirubinemia is a major barrier to anti-tumor treatment in patients with end-stage primary liver cancer. However, no research has demonstrated the efficacy and safety of hepatic artery infusion chemotherapy (HAIC) in primary liver cancer patients with hyperbilirubinemia. This study investigated HAIC with a modified oxaliplatin, fluorouracil, and leucovorin (mFOLFOX) regimen.

Prevalence and Characteristics of Erectile Dysfunction in Obstructive Sleep Apnea Patients.

Background: Obstructive sleep apnea (OSA) is a common and severe social problem. Erectile dysfunction (ED) is an important health concern. The prevalence of OSA with ED is increasing, which significantly affects the quality of life and work efficiency of patients.

Application and Development of Modern 3D Printing Technology in the Field of Orthopedics.

3D printing, also known as additive manufacturing, is a technology that uses a variety of adhesive materials such as powdered metal or plastic to construct objects based on digital models. Recently, 3D printing technology has been combined with digital medicine, materials science, cytology, and other multidisciplinary fields, especially in the field of orthopedic built-in objects. The development of advanced 3D printing materials continues to meet the needs of clinical precision medicine and customize the most suitable prosthesis for everyone to improve service life and satisfaction.

Body mass index trajectory from childhood to puberty and high blood pressure: the China Health and Nutrition Survey.

Objectives: The prevalence of childhood hypertension is rising in parallel with the increasing prevalence of overweight and obesity in children. How growth trajectories from childhood to puberty relate to high blood pressure (HBP) is not well defined. We aimed to characterise potential body mass index (BMI) dynamic changing trajectories from childhood to puberty and investigate their association with HBP.

Bilateral uveitis after inoculation with COVID-19 vaccine: A case report.

Background: Coronavirus disease 2019 (COVID-19) is a highly infectious and pathogenic respiratory disease. To date, there is no effective treatment, and there is an urgent need to develop vaccines against the virus. Five coronavirus COVID-19 vaccines have been approved for inoculation in China, with good safety and few adverse reactions.