Jatrophane diterpenoids from Jatropha curcas with multidrug resistance reversal activity.

Nine jatrophane diterpenoids, including six previously undescribed compounds, were extracted and purified from whole plants of Jatropha curcas L. Their structures including absolute configurations were characterized by spectroscopic, quantum chemical Nuclear Magnetic Resonance Spectroscopy, Electronic Circular Dichroism calculation, and Single Crystal X-Ray Diffraction methods. These compounds were evaluated for their ability to reverse multidrug resistance.

Mental Health Literacy Among Urban and Rural Residents of Guangdong Province, China.

Purpose: The study aims to understanding the mental health literacy level of urban and rural residents in Guangdong Province, the first major province in China, and its influencing factors is crucial.

Methods: A multi-stage stratified equal-volume random sampling method was adopted in October-December 2022 to select permanent residents aged 18 years and above in Guangdong Province for the questionnaire survey, which consisted of a general demographic information questionnaire and a national mental health literacy questionnaire. Rao-Scott -test with correction based on sampling design, independent samples -test and binary multivariate logistic regression analysis were performed.

Predicting Gene Comutation of EGFR and TP53 by Radiomics and Deep Learning in Patients With Lung Adenocarcinomas.

Purpose: This study was designed to construct progressive binary classification models based on radiomics and deep learning to predict the presence of epidermal growth factor receptor (EGFR) and TP53 mutations and to assess the models' capacities to identify patients who are suitable for TKI-targeted therapy and those with poor prognoses.

Materials And Methods: A total of 267 patients with lung adenocarcinomas who underwent genetic testing and noncontrast chest computed tomography from our hospital were retrospectively included. Clinical information and imaging characteristics were gathered, and high-throughput feature acquisition on all defined regions of interest (ROIs) was carried out.

Age-related analysis of corneal biomechanical parameters in healthy Chinese individuals.

To report the correlation between corneal biomechanical parameters and age in healthy Chinese individuals. This cross-sectional study was conducted on 864 eyes of 543 healthy participants. A comprehensive ophthalmic examination and corneal biomechanics examination using Corneal Visualization Scheimpflug Technology (Corvis ST) were conducted.

Targeted metabolomics study of fatty-acid metabolism in lean metabolic-associated fatty liver disease patients.

Background: The annual incidence of metabolic-associated fatty liver disease (MAFLD) in China has been increasing and is often overlooked owing to its insidious characteristics. Approximately 50% of the patients have a normal weight or are not obese. They are said to have lean-type MAFLD, and few studies of such patients are available.

Comparable long-term survival outcomes after endoscopic and gastrectomy treatment of pT1acN0M0 gastric adenocarcinoma in patients who met the expanded criteria.

Background: Whether the Western pT1acN0M0 gastric cancer (GC) patients who met the Japanese expanded criteria could be the candidates for endoscopic treatment (ET) remains unclear because of unknown long-term survival outcomes.

Methods: A retrospective cohort study using data from the Surveillance, Epidemiology, and End Results (SEER) program was performed. The survival differences between pT1acN0M0 gastric adenocarcinoma patients who received ET or gastrectomy treatment (GT) were evaluated using multivariate survival analysis.

Two Novel Diterpenoid Alkaloids from Aconitum Pendulum.

Two previously uncharacterized compounds, an aconitine-type C-diterpenoid alkaloid (1) and a napelline-type diterpenoid alkaloid C-diterpenoid alkaloid (2), as well as ten known compounds (3-12), were isolated from Aconitum pendulum. Their structures were elucidated based on spectroscopic data, including 1D and 2D NMR, IR, HR-ESI-MS, and single-crystal X-ray diffraction analysis. The anti-insecticidal activities of these compounds were evaluated by contact toxicity tests against two-spotted spider mites, and compounds 1, 2, and 9 showed moderate contact toxicity, with LC values of 0.

Expression of regional brain amyloid-β deposition with Flutemetamol in Centiloid scale -a multi-site study.

Purpose: The Centiloid project helps calibrate the quantitative amyloid-β (Aβ) load into a unified Centiloid (CL) scale that allows data comparison across multi-site. How the smaller regional amyloid converted into CL has not been attempted. We first aimed to express regional Aβ deposition in CL using Flutemetamol and evaluate regional Aβ deposition in CL with that in standardized uptake value ratio (SUVr).

Porcine reproductive and respiratory syndrome virus 2 hijacks CMA-mediated lipolysis through upregulation of small GTPase RAB18.

RAB GTPases (RABs) control intracellular membrane trafficking with high precision. In the present study, we carried out a short hairpin RNA (shRNA) screen focused on a library of 62 RABs during infection with porcine reproductive and respiratory syndrome virus 2 (PRRSV-2), a member of the family Arteriviridae. We found that 13 RABs negatively affect the yield of PRRSV-2 progeny virus, whereas 29 RABs have a positive impact on the yield of PRRSV-2 progeny virus.

Prediction of pathological activity in Crohn's disease based on dual-energy CT enterography.

Purpose: To explore the feasibility of predicting the pathological activity of Crohn's disease (CD) based on dual-energy CT enterography (DECTE).

Methods: The clinical, endoscopic, imaging and pathological data of 55 patients with CD scanned by DECTE were retrospectively analyzed; the pathological results were used as a reference standard to classify the diseased bowel segments into active and inactive phases. The normalized iodine concentration (NIC), energy-spectrum curve slope K, dual energy index (DEI), fat fraction (FF) of the arterial phases and venous phases were compared.

Discrimination between benign and malignant gallbladder lesions on enhanced CT imaging using radiomics.

Background: Gallbladder cancer is a rare but aggressive malignancy that is often diagnosed at an advanced stage and is associated with poor outcomes.

Purpose: To develop a radiomics model to discriminate between benign and malignant gallbladder lesions using enhanced computed tomography (CT) imaging.

Material And Methods: All patients had a preoperative contrast-enhanced CT scan, which was independently analyzed by two radiologists.

Ensure the accuracy and consistency of biochemical analyzer test results: Chemometrics for instrument and inter-instrument item comparison in Chinese hospital laboratory.

Biochemical analyzers are vital instruments that utilize the principle of photoelectric colorimetry to quantify a specific chemical composition in body fluids. This analysis provides critical data for the diagnosis, treatment, prognosis, and overall health status of various diseases in clinical practice. However, the performance of a biochemical analyzer can vary significantly between different brands or over time within the same brand.

Integrated analysis of comorbidity, pregnant outcomes, and amniotic fluid cytogenetics of fetuses with persistent left superior vena cava.

Background: Persistent left superior vena cava (PLSVC) is the most common venous system variant. The clinical characteristics and amniotic fluid cytogenetics of fetuses with PLSVC remain to be further explored.

Aim: To develop reliable prenatal diagnostic recommendations through integrated analysis of the clinical characteristics of fetuses with PLSVC.

sp. nov., a novel member of the genus , isolated from the West Pacific Ocean.

Two Gram-stain-negative, aerobic, non-motile and short-rod-shaped bacteria, designated as strains GL-53 and GL-15-2-5, were isolated from the seamount area of the West Pacific Ocean and identified using a polyphasic taxonomic approach. The growth of strains GL-53ᵀ and GL-15-2-5 occurred at pH 5.5-10.

Identification and validation of a m7G-related lncRNA signature for predicting the prognosis and therapy response in hepatocellular carcinoma.

Background: N7-methylguanosine (m7G) is one of the most common RNA posttranscriptional modifications; however, its potential role in hepatocellular carcinoma (HCC) remains unknown. We developed a prediction signature based on m7G-related long noncoding RNAs (lncRNAs) to predict HCC prognosis and provide a reference for immunotherapy and chemotherapy.

Methods: RNA-seq data from The Cancer Genome Atlas (TCGA) database and relevant clinical data were used.

Is There Re-staging Surgery Necessity for Borderline Ovarian Tumors.

Objective: This study assessed the necessity of surgical re-staging in women with borderline ovarian tumors (BOTs) and evaluated the impact of complete surgical staging, lymphadenectomy, and omentectomy on disease recurrence and survival.

Methods: We retrospectively reviewed the medical records of patients with BOTs. A total of 901 patients were eligible for inclusion in the study, and we evaluated some of the variables and clinical/surgical characteristics of the cases.

Meta-analysis of gender differences in transition prevalence among individuals at clinical high risk of psychosis.

Gender differences have been found in several areas of individuals at clinical-high risk for psychosis(CHR). Therefore the risk of transition to psychosis may differ between male and female CHR, but previous work has not systematically reviewed and analyzed gender differences in conversion rates.We performed a meta-analysis according to PRISMA guidelines including all studies that assessed CHR with reliable instruments and provided data on the transition from male CHR and female CHR to psychosis to understand the conversion rate conversion in male and female CHR.

[On-line Measurement of Trace Elements in PM in Winter in Urban Taiyuan, China: Levels and Source Apportionment].

In order to better identify the sources of PM in Taiyuan, hourly concentrations of 13 trace elements (K, Ca, Ba, Cr, Mn, Fe, Cu, Ni, Zn, As, Se, Pb, and Sr) in PM were monitored at an urban site in Taiyuan from January 1 to 29, 2022. The pollution characteristics of trace elements were analyzed and sources were apportioned using positive matrix factorization (PMF). The results showed that the average concentration of 13 total trace elements was (3901.

sp. nov., a marine bacterium isolated from deep seawater.

A Gram-stain-negative, non-motile, rod-shaped bacterial strain, designated C281, was isolated from seawater sampled at the Marshallese seamount chain. Results of 16S rRNA gene analysis revealed that strain C281 was most closely related to CZ-AZ5 with 92.7 % sequence similarity.

Choroidal thickness, myopia, and myopia control interventions in children: a Meta-analysis and systemic review.

Aim: To investigate changes of choroidal thickness (ChT) in children with myopia and the effect of current myopia control interventions on ChT.

Methods: Major literature databases were searched for studies relevant to myopia in children. All studies used swept-source optical coherence tomography (SS-OCT) or enhanced depth imaging optical coherence tomography (EDI-OCT) to measure the ChT value.