MACL-1 Breast Cancer Secretome Reprograms Fibroblasts to Enhance Inflammation and Tumor Progression.

IF 1.1 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Anais da Academia Brasileira de Ciencias Pub Date : 2025-08-04 eCollection Date: 2025-01-01 DOI:10.1590/0001-3765202520250146
Rodrigo Junio R Barros, Andreia Laura P Rodrigues, Camila Dourado, Luciana Maria Silva, Jonas Enrique A Perales, Sandra Lauton-Santos, Andreia Barroso, Jader S Cruz
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引用次数: 0

Abstract

Tumor-secreted factors reprogram the stromal microenvironment to facilitate cancer progression. This study investigates the effects of the MACL-1 breast cancer cell secretome on CCD19-Lu fibroblasts. Fibroblasts treated with the MACL-1 secretome exhibited increased proliferation, altered morphology, and upregulated expression of vimentin, NFκB, and fibroblast-activating protein, indicative of an inflammatory, activated phenotype. Additionally, elevated mitochondrial superoxide levels and an enrichment of proteases were detected in the secretome, but not in corresponding cell lysates. These findings suggest that the MACL-1 secretome promotes fibroblast activation and inflammation, underscoring its potential role in tumor-stroma interactions and breast cancer progression.

MACL-1乳腺癌分泌组重编程成纤维细胞促进炎症和肿瘤进展
肿瘤分泌因子重编程基质微环境以促进癌症进展。本研究探讨了mcl -1乳腺癌细胞分泌组对CCD19-Lu成纤维细胞的影响。用MACL-1分泌组处理的成纤维细胞表现出增殖增加、形态改变、vimentin、NFκB和成纤维细胞激活蛋白表达上调,表明炎症、活化表型。此外,在分泌组中检测到线粒体超氧化物水平升高和蛋白酶富集,但在相应的细胞裂解物中未检测到。这些发现表明,MACL-1分泌组促进成纤维细胞活化和炎症,强调其在肿瘤-基质相互作用和乳腺癌进展中的潜在作用。
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来源期刊
Anais da Academia Brasileira de Ciencias
Anais da Academia Brasileira de Ciencias 综合性期刊-综合性期刊
CiteScore
2.20
自引率
0.00%
发文量
347
审稿时长
1 months
期刊介绍: The Brazilian Academy of Sciences (BAS) publishes its journal, Annals of the Brazilian Academy of Sciences (AABC, in its Brazilianportuguese acronym ), every 3 months, being the oldest journal in Brazil with conkinuous distribukion, daking back to 1929. This scienkihic journal aims to publish the advances in scienkihic research from both Brazilian and foreigner scienkists, who work in the main research centers in the whole world, always looking for excellence. Essenkially a mulkidisciplinary journal, the AABC cover, with both reviews and original researches, the diverse areas represented in the Academy, such as Biology, Physics, Biomedical Sciences, Chemistry, Agrarian Sciences, Engineering, Mathemakics, Social, Health and Earth Sciences.
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