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In Vitro Model for Studying Differentiation and Changes of Multi-Omics on Murine Airway Epithelial Cells Stimulated with Cigarette Smoke Extract

Chronic obstructive pulmonary disease (COPD) is largely attributed to tobacco smoke exposure. Investigating how airway epithelial cells functionally adapt ...

Capital Medical University

Bleeding due to esophageal varices is associated with high mortality and hospital costs. The incidence of morbidity and mortality can be reduced with appropriate treatment measures by identifying the predictors of re-bleeding at admission. Therefore, this study aimed to determine the risk factors for re-bleeding in hospitalized esophageal varices patients using factors included in the Child Turcotte Pugh (CTP) scoring system. In this cross-sectional study, 100 patients were evaluated for bleeding from esophageal varices. Some characteristics and variables were recorded, including age, gender, cause of disease, CTP classification score, and clinical, endoscopic, and laboratory findings. Patients were divided into two groups with and without bleeding from esophageal varices, and predictive factors were identified in both groups. Besides, a genetic predictor factor, i.e. plasminogen activator inhibitor type I (PAI-1), was evaluated by the Real-time PCR technique. Sixty-eight patients in the non-re-bleeding group with a mean age of 49.88 ± 16.42 years and 32 patients with a mean age of 54.22 ± 19.81 years were in the group with re-bleeding. Varicose vein size, encephalopathy, ascites, and CTP classification had a predictive effect on re-bleeding. Twelve people were in class A, 59 people in class B and 29 people in class C had CTP classification. The sensitivity of CTP, PAI-1 gene expression, and bilirubin in prediction through the ROC chart were calculated to be more than 85%, 61.4%, and 62%, respectively. In general, determining the degree and score of CTP at the time of referral of a patient with varicose hemorrhage provides valuable information on the risk of bleeding. Patients with class B CTP were strongly susceptible to re-bleeding in this study. Also, with increased bilirubin or ascites and more severe encephalopathy, the risk of bleeding is higher, and these people should be followed up.

Predictive factors for re-bleeding of esophageal varices in hospitalized patients.

Consciousness arises from the spatiotemporal neural dynamics, however, its relationship with neural flexibility and regional specialization remains elusive. We identified a consciousness-related signature marked by shifting spontaneous fluctuations along a unimodal-transmodal cortical axis. This simple signature is sensitive to altered states of consciousness in single individuals, exhibiting abnormal elevation under psychedelics and in psychosis. The hierarchical dynamic reflects brain state changes in global integration and connectome diversity under task-free conditions. Quasi-periodic pattern detection revealed that hierarchical heterogeneity as spatiotemporally propagating waves linking to arousal. A similar pattern can be observed in macaque electrocorticography. Furthermore, the spatial distribution of principal cortical gradient preferentially recapitulated the genetic transcription levels of the histaminergic system and that of the functional connectome mapping of the tuberomammillary nucleus, which promotes wakefulness. Combining behavioral, neuroimaging, electrophysiological, and transcriptomic evidence, we propose that global consciousness is supported by efficient hierarchical processing constrained along a low-dimensional macroscale gradient.

Hierarchical fluctuation shapes a dynamic flow linked to states of consciousness.

Due to the lack of sensitive biomarkers, cancer disease kill 9.6 million individuals each year around the globe. The present study aimed to explore the association between ELL Associated Factor 2 (EAF2) expression and its diagnostic and prognostic landscape across different human cancers using an  and  approach. To achieve the defined goals of this study, we used the following online sources: UALCAN, KM plotter, TNMplot, cBioPortal, STRING, DAVID, MuTarget, Cytoscape, and CTD. In addition to this, we also used additional The Cancer Genome Atlas (TCGA) datasets via TIMER2, GENT2, and GEPIA to confirm the expression of EAF2 on additional cohorts. Finally, we performed RNA sequencing (RNA-seq) and targeted bisulfite sequencing (bisulfite-seq) techniques-based analysis using A549, ABC-1, EBC-1, LK-2 lung cancer cell lines, and MRC-9 normal control lung cell line for further validation of the results. On balance, EAF2 was elevated in 19 types of human cancers and its up-regulation was significantly correlated with shorter overall survival (OS), relapse-free survival (RFS), and metastasis in Liver Hepatocellular Carcinoma (LIHC) and Lung Squamous Cell Carcinoma (LUSC) patients. We further evaluated that EAF2 expression was also elevated across LIHC and LUSC patients belonging to different clinicopathological features. Through pathway analysis, EAF2 associations were observed with four important pathways. Moreover, some worth noticing correlations were also documented between EAF2 expression and its promoter methylation level, genetic alterations, other mutant genes, tumor purity, and different immune cells infiltration. The higher EAF2 expression contributes significantly to the tumorigenesis and metastasis of LIHC and LUSC. Therefore, it can be used as a common biomarker in these cancers.

ELL associated factor 2 is a potential diagnostic and prognostic indicator: evidence from the in silico and in vitro experiments.

Although an increasing body of evidence supports the crucial role of the SEC24 Homolog D, COPII Coat Complex Component (SEC24D) gene in the initiation and progression of cancer, a comprehensive pan-cancer analysis of this gene is still lacking. In this study, we conducted an extensive investigation of SEC24D, aiming to elucidate its potential role and underlying mechanisms across multiple human tumors. Our analysis relied on data from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases. To validate our findings, we employed RNA sequencing (RNA-seq), targeted bisulfite sequencing (bisulfite-seq) molecular techniques. Our findings revealed elevated mRNA (Messenger RNA) and protein levels of SEC24D in different tumor tissues. However, the up-regulation of SEC24D was significantly correlated with shorter overall survival (OS), metastasis, and various clinical parameters in esophageal cancer (ESCA), lung adenocarcinoma (LUAD), and kidney renal papillary cell carcinoma (KIRP). Expression validation analysis via RNA-seq and targeted bisulfite-seq analyses, further confirmed the higher expression of SEC24D in LUAD cancer cell lines as compared to normal controls. The DNA methylation level of SEC24D was found to be decreased in ESCA, LUAD, and KIRP samples. DNA methylation analysis via bisulfite-seq analysis also validate the lower promoter methylation level of SE24D in LUAD cell lines relative to controls. Moreover, we observed a significant association between the elevated expression of SEC24D and the levels of infiltrating cells, such as B cells, neutrophils, macrophages, CD8+ T cells, and CD4+ T cells. Analysis of SEC24-related genes revealed that "Protein processing in endoplasmic reticulum, SNARE interaction in vesicular transport, Legionellosis, Pathogenic Escherichia coli infection" were mainly involved in the functional mechanism of SEC24D in ESCA, LUAD, and KIRP. Moreover, we also suggested a few valuable drugs (Acetaminophen, Acteoside, Cyclosporine, Polydatin, Estradiol, Estradiol, Quercetin) for treating ESCA, LUAD, and KIRP patients with respect to overexpressed SEC24D. To summarize, this comprehensive pan-cancer study investigated the association between SEC24D expression and clinical parameters in ESCA, LUAD, KIRP. The study provides valuable insights for further exploring the functional and therapeutic aspects of SEC24D and underscores its predictive significance in the carcinogenesis and prognosis of these specific cancer types.

Decoding SEC24 Homolog D, COPII coat complex component accuracy as a signature gene in three human cancers.

Diabetic nephropathy (DN) drives progressive renal fibrosis and functional decline, ultimately leading to end-stage renal disease. Pathological crosstalk between glomerular endothelial cells and mesangial cells is increasingly recognized as central to DN progression. However, whether endothelial-derived signaling specifically drives mesangial injury under diabetic conditions remains undefined.

Article	Year
Predictive factors for re-bleeding of esophageal varices in hospitalized patients. Cellular and molecular biology (Noisy-le-Grand, France)\| PubMed ID: 35869713	2022
Hierarchical fluctuation shapes a dynamic flow linked to states of consciousness. Nature communications\| PubMed ID: 37277338	2023
ELL associated factor 2 is a potential diagnostic and prognostic indicator: evidence from the in silico and in vitro experiments. American journal of cancer research\| PubMed ID: 37424805	2023
Decoding SEC24 Homolog D, COPII coat complex component accuracy as a signature gene in three human cancers. American journal of cancer research\| PubMed ID: 37693152	2023
Verbascoside targets endothelial HIF-1α/ Lysyl oxidase signaling to attenuate glomerular injury in diabetic nephropathy. Redox report : communications in free radical research\| PubMed ID: 41355449	2025

Kaixin Li

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