Clinics (Sao Paulo, Brazil) · 2025
CRISPR/Cas9-mediated MMP-9 silencing inhibits bladder cancer T24 cell invasion and migration in vitro.
СтатьяНазвание и аннотация: Перевод в очереди
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Gallucci Fabio Pescarmona, de Camargo Juliana Alves, Viana Nayara Izabel, Pimenta Ruan Cesar Aparecido, Guimarães Vanessa Ribeiro, Candido Patrícia, Leite Katia Ramos Moreira, Nahas William Carlos, Dos Reis Sabrina Thalita
Аннотация
PURPOSE: Bladder Cancer (BCa) ranks as the tenth most common cancer worldwide, with high morbidity and mortality. Matrix Metalloproteinases (MMPs), especially MMP-9, are associated with tumor progression and metastasis. This study aimed to evaluate the effects of MMP-9 silencing using CRISPR-Cas9 in T24-luc bladder carcinoma cells.
METHODS: Guide RNAs (sgRNA1 and sgRNA2) targeting MMP-9 were cloned into pX-330 plasmids and transfected into T24-luc cells. Gene and protein expression were analyzed via RT-qPCR and Western blotting. Functional assays included flow cytometry for proliferation and apoptosis, colony formation, wound healing, and Matrigel™ invasion assays.
RESULTS: sgRNA2 significantly reduced MMP-9 gene expression, while both sgRNAs reduced protein expression. Edited cells showed decreased proliferation and colony formation, increased apoptosis, and reduced migration and invasion capacity.
CONCLUSION: CRISPR-Cas9-mediated silencing of MMP-9 inhibited cell proliferation, migration, invasion, and increased apoptosis in BCa cells, supporting that MMP-9 has an important effect on the progression of bladder cancer.
METHODS: Guide RNAs (sgRNA1 and sgRNA2) targeting MMP-9 were cloned into pX-330 plasmids and transfected into T24-luc cells. Gene and protein expression were analyzed via RT-qPCR and Western blotting. Functional assays included flow cytometry for proliferation and apoptosis, colony formation, wound healing, and Matrigel™ invasion assays.
RESULTS: sgRNA2 significantly reduced MMP-9 gene expression, while both sgRNAs reduced protein expression. Edited cells showed decreased proliferation and colony formation, increased apoptosis, and reduced migration and invasion capacity.
CONCLUSION: CRISPR-Cas9-mediated silencing of MMP-9 inhibited cell proliferation, migration, invasion, and increased apoptosis in BCa cells, supporting that MMP-9 has an important effect on the progression of bladder cancer.