CLMP increases 5-fluorouracil sensitivity in colorectal cancer through the inhibition of autophagy.

Tissue Cell

Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, Beijing 100142, China; The Third Affiliated Hospital of Kunming Medical University, Peking University Cancer Hospital Yunnan Hospital, K

Published: April 2025


Category Ranking

98%

Total Visits

921

Avg Visit Duration

2 minutes

Citations

20

Article Abstract

Background: We aimed to explore the biological function of CLMP in colorectal cancer (CRC) and to determine the effect of CLMP on 5-fluorouracil (5-FU) sensitivity in CRC.

Methods: Sixteen pairs of CRC tissues and paracancerous tissues were collected. Immortalized intestinal epithelial cell lines and human CRC cell lines were purchased, and the cells were treated with DMSO and 5-FU. RTqPCR, western blotting, CCK8, colony formation, scratch, and Transwell assays were performed to determine the molecular mechanism of CLMP in the regulation of autophagy and sensitivity to 5-FU in CRC cells.

Results: CLMP was expressed at low levels in CRC tissues. The upregulation of CLMP expression could inhibit cell proliferation, colony number, migration and invasion and increase the sensitivity of CRC cells to 5-FU. Mechanistic studies revealed that the overexpression of CLMP could block the activation of the PI3K/AKT signaling pathway, inhibit autophagy, and increase the chemosensitivity of CRC cells to 5-FU.

Conclusion: CLMP overexpression can reduce the level of autophagy and increase the sensitivity of CRC to 5-FU, providing a potential target for the treatment of CRC.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.tice.2025.102771DOI Listing

Publication Analysis

Top Keywords

crc
9
clmp
8
colorectal cancer
8
crc tissues
8
cell lines
8
increase sensitivity
8
sensitivity crc
8
crc cells
8
autophagy increase
8
sensitivity
5

Similar Publications

Background: Our study represents the first effort in the Eastern Mediterranean Region to identify disparities in the quality of colorectal cancer (CRC) care in Iran.

Methods: We established a collaborative registry program for non-metastatic CRC patients to evaluate survival rates between teaching cancer centers (TCCs) and a high-volume, non-teaching, non-cancer center (NTNC). The study included a diverse patient population and considered various factors such as cancer stage, margin involvement, adherence to guidelines for adjuvant and neoadjuvant treatments, emergency surgeries, socioeconomic status, and risk of surgery.

View Article and Find Full Text PDF

Patient-derived cancer organoids (PDCOs) are a valuable model to recapitulate human disease in culture with important implications for drug development. However, current methods for rapidly and reproducibly assessing PDCOs are limited. Label-free imaging methods are a promising tool to measure organoid level heterogeneity and rapidly screen drug response in PDCOs.

View Article and Find Full Text PDF

Background: Colorectal cancer (CRC) risk models routinely adjust for endoscopic screening because of a) possible confounding with other risk factors and b) possible alteration of natural history of the disease due to adenoma detection and removal.

Methods: In this study, we defined a subject as screen-covered (SC) if a colonoscopy was performed in the past 10 years, and not screen-covered (NSC) otherwise. We created CRC risk models separately for SC and NSC subjects (HRSC, HRNSC) and then obtained a screening-coverage adjusted HR estimate (HRfull) based on a weighted average of ln(HRSC) and ln(HRNSC) with weight equal to the proportion of SC person-time in the NHS population.

View Article and Find Full Text PDF

Metastatic and relapsed osteosarcoma (OS) remains difficult to treat despite advanced surgical techniques, intensified chemotherapy, and targeted therapies. Adoptive immunotherapies such as chimeric antigen receptor (CAR) T cells, are in their nascent stage, but remain a viable therapeutic strategy for patients with aggressive solid tumors such as OS. Folate receptor- (FOLR1) has been functionally implicated in OS pathophysiology, providing rationale as a potential therapeutic target.

View Article and Find Full Text PDF

Background: The rising burden of colorectal cancer with a high prevalence of advanced stages of new-onset is reported worldwide. While applied, chemotherapy can extend patients' survival, and proper tailoring is paramount. Based on computed tomography results, the study aimed to point out potential prognostic factors of complete or partial response to the initial three months of chemotherapy in palliative colorectal (CRC) cancer.

View Article and Find Full Text PDF