Dataset Information

Insights into myopic choroidal neovascularization based on quantitative proteomics analysis of the aqueous humor

ABSTRACT: Previous studies on the biomarkers of pathologic myopia choroidal neovascularization (pmCNV) development merely detected limited types of proteins and provide a meagre illustration of the underlying pathways. Hence, an intact picture of molecular changes in the aqueous humor (AH) of pmCNV patients is lacking. Here, to explore the potential mechanisms and biomarkers of pmCNV, we analyzed the correlation between atrophic (A) lesions and neovascular (N) lesions in a myopic cohort based on the ATN grading system for myopic maculopathy (MM). In a quantitative proteomics test of AH profile of our patients, a significant correlation was found between A and N lesions (R = 0.5753, P < 0.0001). Accordingly, groups were divided into patients without MM, patients with myopic atrophic maculopathy (MAM), and patients with pmCNV (N2a lesion). In proteomics analysis, the existence of GFAP and complement-associated molecules in AH samples of the 3 groups also supported that MAM and pmCNV shared similar characteristics. Analyses of the differentially expressed proteins between the pmCNV group and two controls were performed. We identified several potential biomarkers for pmCNV, including FCN3, GFAP, EGFR, SFRP3, PPP2R1A, SLIT2, and CD248. Taken together, our study provides new insights for further research on pmCNV development.

INSTRUMENT(S): 4800 Proteomics Analyzer

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Plasma

SUBMITTER: Xufang Sun

LAB HEAD: Sun Xufang

PROVIDER: PXD038430 | Pride | 2024-01-26

REPOSITORIES: Pride

ACCESS DATA

Publications

Insights into myopic choroidal neovascularization based on quantitative proteomics analysis of the aqueous humor.

Yu Huimin H Zhong Zheng Z Zhao Yin Y Luo Huan H Sun Jinfu J Wang Ruohong R Zhang Xian X Sun Xufang X

BMC genomics 20231212 1

<h4>Background</h4>Previous studies on the biomarkers of pathologic myopia choroidal neovascularization (pmCNV) development merely detected limited types of proteins and provide a meagre illustration of the underlying pathways. Hence, a landscape of protein changes in the aqueous humor (AH) of pmCNV patients is lacking. Here, to explore the potential mechanisms and biomarkers of pmCNV, we analyzed the clinical data and protein profile among atrophic (A) lesions, tractional lesions (T) and neovas ...[more]

PMID: 38087190

Similar Datasets

Project description:BACKGROUND: Alcohol-related liver disease ranges from silent alcoholic steatohepatitis (sASH), an asymptomatic and compensated phenotype, to life- threatening alcoholic hepatitis (AH). A systematic comparative study of the clinical, histological and molecular features of these subtypes is lacking. METHODS : Two large cohorts of patients were recruited in an international, observational multi-center study: a retrospective cohort of patients with sASH (n=110) and a prospective cohort of patients with AH (two subgroups with n=121 and 104). sASH and AH were compared by doing clinical, analytical, immunohistochemistry and hepatic RNA microarray analysis. FINDINGS: Age and mean alcohol intake were similar in patients with sASH vs AH. AH showed lower mean arterial pressure than sASH. AH patients had greater aspartate amino transferase/alanine amino transferase ratio and lower gamma- glutamyl transferase levels than AH. Individuals with AH demonstrated profound liver failure, lower blood pressure and increased mortality. Histologically, the grade of steatosis, ballooning and pericellular fibrosis were similar in both groups, while advanced fibrosis, Mallory-Denk bodies, bilirubinostasis, severe neutrophil infiltration and progenitor cell expansion were more frequent among AH patients. One-year mortality was 10% in sASH and 50% in AH. Transcriptome analysis revealed a profound gene dysregulation within both phenotypes when compare to controls. Globally, AH patients exhibited changes in 4,921 genes, while the number of dysregulated genes in sASH patients was less pronounced -1,327-. While sASH was characterized by deregulated expression of genes involved in matrisome and immune response, the development of AH resulted in a marked deregulation of genes involved in hepatocyte reprogramming and bile acid metabolism. INTERPRETATION: Despite comparable daily alcohol intake, AH patients presented with worse liver function and hemodynamic status compared to sASH. Bilirubinostasis, severe fibrosis and progenitor cell expansion were prominent features of AH. AH patients exhibited a more profound deregulation of gene expression compared to sASH.

Dataset Information

Insights into myopic choroidal neovascularization based on quantitative proteomics analysis of the aqueous humor

Publications

Insights into myopic choroidal neovascularization based on quantitative proteomics analysis of the aqueous humor.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure