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Methylmalonic acid promotes colorectal cancer progression via activation of Wnt/β-catenin pathway mediated epithelial–mesenchymal transition

Cancer Cell International, ISSN: 1475-2867, Vol: 23, Issue: 1, Page: 131
2023
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Studies from Nanjing Medical University Further Understanding of Colon Cancer (Methylmalonic Acid Promotes Colorectal Cancer Progression Via Activation of Wnt/beta-catenin Pathway Mediated Epithelial-mesenchymal Transition)

2023 AUG 18 (NewsRx) -- By a News Reporter-Staff News Editor at Clinical Oncology Daily -- Current study results on Oncology - Colon Cancer have

Article Description

Background: It has been manifested in several studies that age-related metabolic reprogramming is associated with tumor progression, in particular, colorectal cancer (CRC). Here we investigated the role of upregulated metabolites of the aged serum, including methylmalonic acid (MMA), phosphoenolpyruvate (PEP), and quinolinate (QA), in CRC. Methods: Functional assays including CCK-8, EdU, colony formation and transwell experiments were used to ascertain which upregulated metabolite of elderly serum was related to tumor progression. RNA-seq analysis was conducted to explore the potential mechanisms of MMA-induced CRC progression. Subcutaneous tumorigenesis and metastatic tumor models were constructed to verify the function of MMA in vivo. Results: Among three consistently increased metabolites of the aged sera, MMA was responsible for tumorigenesis and metastasis in CRC, according to functional assays. The promotion of Epithelial–mesenchymal transition (EMT) was observed in CRC cells treated with MMA, on the basis of protein expression of EMT markers. Moreover, combined with transcriptome sequencing, Wnt/β-catenin signaling pathway was activated in CRC cells treated with MMA, which was verified by western blot and qPCR experiments. Furthermore, animal assays demonstrated the pro-proliferation and promotion of metastasis role of MMA in vivo. Conclusion: We have identified that age-dependent upregulation of MMA in serum promoted the progression of CRC via Wnt/β-catenin signaling pathway mediated EMT. These collective findings provide valuable insights into the vital role of age-related metabolic reprogramming in CRC progression and propose a potential therapeutic target for elderly CRC.

Bibliographic Details

Hu, Chunhua; Ye, Mujie; Bai, Jianan; Liu, Pengfei; Lu, Feiyu; Chen, Jinhao; Yu, Ping; Chen, Tiaotiao; Shi, Xiaoting; Tang, Qiyun

Springer Science and Business Media LLC

Medicine; Biochemistry, Genetics and Molecular Biology

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