scholarly journals MicroRNA-124 (MiR-124) Inhibits Cell Proliferation, Metastasis and Invasion in Colorectal Cancer by Downregulating Rho-Associated Protein Kinase 1(ROCK1)

2016 ◽  
Vol 38 (5) ◽  
pp. 1785-1795 ◽  
Author(s):  
Liqing Zhou ◽  
Ziran Xu ◽  
Xiaoqiang Ren ◽  
Kaixuan Chen ◽  
Shiyong Xin
Keyword(s):  
Colorectal Cancer ◽  
Cell Proliferation ◽  
Protein Kinase ◽  
Protein Expression ◽  
Cell Line ◽  
Cell Lines ◽  
Cancer Cell ◽  
Qrt Pcr ◽  
Normal Controls ◽  
In Cells

Background/Aims: MiR-124 inhibits neoplastic transformation, cell proliferation, and metastasis and downregulates Rho-associated protein kinase (ROCK1) in Colorectal Cancer (CRC). The aim of this study was to further investigate the roles and interactions of ROCK1 and miR-124 and the effects of knockdown of ROCK1and MiR-124 in human Colorectal Cancer (CRC). Methods: Three Colorectal cancer cell lines (HCT116, HT29 and SW620) and one Human Colonic Mucosa Epithelial cell line (NCM460) were studied. The protein expression of ROCK1 was examined by Western-blot and qRT-PCR were performed to examine the expression levels of ROCK1 mRNA and miR-124. Furthermore, We performed transfection of cancer cell line (SW620) with pre-miR-124(mimics), anti-miR-124(inhibitor), ROCK1 siRNA and the control, then observed the affects of ROCK1 protein expression by westen-blot, cell proliferation by EDU (5-ethynyl-2'deoxyuridine assay) and expression levels of ROCK1mRNA by qRT-PCR . A soft agar formation assay, Migration and invasion assays were used to determine the effect of regulation of miR-124 and ROCK1, and survivin on the transformation and invasion capability of colorectal cancer cell. Results: MiR-124 expression was significantly downregulated in CRC cell lines compare to normal (P < 0.05). In contrast, ROCK1 protein expression was significantly increased in CRC cell lines compared to the normal (P < 0.05), whereas the gene (ROCK1mRNA) expression remained unaltered (P > 0.05). ROCK1 mRNA was unaltered in cells transfected with miR-124 mimic and miR-124 inhibitor, compared to normal controls. There was a significant reduction in ROCK1 protein in cells transfected with miR-124 mimic and a significant increase in cells transfected with miR-124 inhibitor (P < 0.05). Cell proliferation, transformation and invasion of cells transfected with miR-124 inhibitor were significantly increased compared to those in normal controls (P<0.05). However, cell proliferation, transformation and invasion of cells transfected with ROCK1 siRNA were significantly decreased compared to control (P < 0.05). Conclusions: In conclusion, our results demonstrated that miR-124 not only promoted cancer cell hyperplasia and significantly associated with CRC metastasis and progression, but also downregulated ROCK1 protein expression. More importantly, increased ROCK1 expression or inhibited miR-124 expression may constitute effective new therapeutic strategies for the treatment of renal cancer in the future.

Long non-coding RNA Linc00525 as a prognostic factor to regulate proliferation and apoptosis in colorectal cancer.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. e15085-e15085 ◽  
Author(s):  
Peng Peng ◽  
Qin Zheng
Keyword(s):  
Colorectal Cancer ◽  
Cell Proliferation ◽  
Cell Lines ◽  
Cancer Cell ◽  
Cancer Cell Lines ◽  
Colorectal Cancer Cell ◽  
Qrt Pcr ◽  
Proliferation And Apoptosis ◽  
Colorectal Cancer Cell Lines ◽  
Cancer Tissues

e15085 Background: Colorectal cancer (CRC) is one of the most common digestive system tumors and poses a serious threat to human health. More and more studies have shown that long noncoding RNAs (lncRNAs) play an important role in the occurrence and development of various tumors. They regulate a variety of cancer biology, such as proliferation, apoptosis, invasion and metastasis. Abnormally expressed lncRNAs are closely related to colorectal cancer. The purpose of this study was to find lncRNAs associated with the development of colorectal cancer and to explore its function and mechanism. Methods: (1) By analyzing the expression profile of lncRNAs in colorectal cancer-normal tissues in GEO databases, the abnormal expression of lncRNA LINC00525 was screened. Colorectal cancer tissues, adjacent normal colon tissues and colorectal cancer cell lines (HCT116, DLD1, HT-29, SW480) were detected by qRT-PCR. We analyzed the relationship between expression of LINC00525 and clinical features. (2) The biological functions of LINC00525 in HCT116, DLD1 and SW480 were peformed in vitro by MTT, clone formation assay, EDU and flow cytometry. (3) The effect of LINC00525 on tumorigenesis in vivo was evaluated by nude mice model. (4) The expression of lncRNA LINC00525 was knocked down in colorectal cancer cell lines (HCT116, SW480), and the mRNA expression levels of P15, P21, P27 and KLF2 were detected by qRT-PCR. Results: (1) Microarray data and qRT-PCR verification showed that the expression of lncRNA LINC00525 in colorectal cancer tissues and colorectal cancer cell lines was significantly upregulated. The overexpression of LINC00525 was positively correlated with clinical stage and tumor size. (2) Knockdown of LINC00525 in colorectal cancer cell lines could inhibit cancer cell proliferation and induce apoptosis. In SW480 and HCT116 cell lines, cells were arrested in G0/G1 phase after knocking down LINC00525. (3) Subcutaneous xenograft experiments in nude mice further confirmed that knockdown of LINC00525 could inhibit the tumor growth. (4) After knocking down the expression of LINC00525 in HCT116 and SW480 cell lines, the expression of mRNAs of tumor suppressor genes P15, P21, P27 and KLF2 increased. Conclusions: Our studies suggested that LINC00525 was significantly upregulated in colorectal cancer tissues. Mechanism studies had shown that LINC00525 could regulate the expression of KLF2, P15, P21 and P27 in CRC cell lines, and then affect cell proliferation and apoptosis.

scholarly journals Underutilized Mexican Plants: Screening of Antioxidant and Antiproliferative Properties of Mexican Cactus Fruit Juices

Plants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 368
Author(s):  
Elda M. Melchor Martínez ◽  
Luisaldo Sandate-Flores ◽  
José Rodríguez-Rodríguez ◽  
Magdalena Rostro-Alanis ◽  
Lizeth Parra-Arroyo ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Liver Cancer ◽  
Cell Line ◽  
Cell Lines ◽  
Cancer Cell ◽  
Cancer Cell Lines ◽  
In Vitro Assays ◽  
Total Phenolic ◽  
Liver Cancer Cell ◽  
Antiproliferative Activities

Cacti fruits are known to possess antioxidant and antiproliferative activities among other health benefits. The following paper evaluated the antioxidant capacity and bioactivity of five clarified juices from different cacti fruits (Stenocereus spp., Opuntia spp. and M. geomettizans) on four cancer cell lines as well as one normal cell line. Their antioxidant compositions were measured by three different protocols. Their phenolic compositions were quantified through high performance liquid chromatography and the percentages of cell proliferation of fibroblasts as well as breast, prostate, colorectal, and liver cancer cell lines were evaluated though in vitro assays. The results were further processed by principal component analysis. The clarified juice from M. geomettizans fruit showed the highest concentration of total phenolic compounds and induced cell death in liver and colorectal cancer cells lines as well as fibroblasts. The clarified juice extracted from yellow Opuntia ficus-indica fruit displayed antioxidant activity as well as a selective cytotoxic effect on a liver cancer cell line with no toxic effect on fibroblasts. In conclusion, the work supplies evidence on the antioxidant and antiproliferative activities that cacti juices possess, presenting potential as cancer cell proliferation preventing agents.

Characterization of Alternatively Spliced Isoforms of MUC4 and ADAM12 Genes in a Metastatic Colorectal Cancer Cell Line Model

2021 ◽  
Author(s):  
Saleh Althenayyan ◽  
Mohammed H AlMuhanna ◽  
Abdulkareem Al Abdulrahman ◽  
Bandar Alghanem ◽  
Suliman A. Alsagaby ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Metastatic Colorectal Cancer ◽  
Cell Line ◽  
Differential Expression ◽  
Cell Lines ◽  
Cancer Cell ◽  
Colorectal Cancer Cell ◽  
Line Model ◽  
Cell Line Model ◽  
Alternatively Spliced

Colorectal cancer prognosis get worse with advancement of disease into metastatic stage. There is a pertinent need to develop prognostic biomarkers that can be used for personalized and precision medicine. Alternative splicing provides an insight into understanding of changes at isoform expression level which may not be evident at gene level. In this direction, we utilized our prior knowledge about significant alternatively spliced genes and chose ADAM12 and MUC4 for further characterization in a metastatic cell line model. These genes were found to be good prognostic indicators in The Cancer Genome Atlas database. We studied the gene organization and designed primers to specifically amplify a group of isoforms. Differential expression of these group of isoforms was observed in normal, primary and metastatic colorectal cancer cell lines. We further validated the results using sanger sequencing. Isoform expression was found to respond to the 5-fluorouracil treatment. RNAseq analysis of the cell lines further validated the differential expression of gene isoforms. Successful detection of ADAM12 and MUC4 in cell lysates varied according to the antibody used which may reflect differential expression of isoforms. This comprehensive study underscores the importance of studying alternatively spliced isoforms and their probable used as prognostic or predictive biomarkers.

scholarly journals Promising Anticancer Activity of [Bis(1,8-quinolato)palladium (II)] Alone and in Combination

2020 ◽  
Author(s):  
Md. Nur Alam ◽  
Mohammad Moni ◽  
Jun Yu ◽  
Philip Beale ◽  
Peter Turner ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Anticancer Activity ◽  
Cell Line ◽  
Cell Lines ◽  
Cancer Cell ◽  
Antitumour Activity ◽  
Epigallocatechin Gallate ◽  
Cancer Cell Line ◽  
Resistant Cell ◽  
Colorectal Cancer Cell Line

Abstract Due to similar coordination chemistry of palladium and platinum, a large number of palladium compounds too have been investigated for their anticancer activity. In the present study we describe synthesis, characterization and anticancer activity of palladium complex [Bis(1,8-quinolato)palladium (II)], coded as NH3 against seven different cancer cell lines. NH3 is found to have higher antitumour activity than cisplatin against both parent ovarian A2780 cell line and cisplatin-resistant cell lines. Also, NH3 has the lowest IC50 value against HT-29 colorectal cancer cell line. The higher antitumour activity of NH3 is due to the presence of bulky 8-hydroxy-quinoline ligand thus reducing its reactivity. Proteomic study has identified significantly expressed proteins which have been validated through bioinformatics. NH3 has been found to be less toxic than cisplatin at 2.5 mg/kg and 5 mg/kg dosages on mice models. Binary combinations of NH3 with curcumin and epigallocatechin gallate (EGCG) have demonstrated dose and sequence dependent synergism in ovarian and colorectal cancer models. All of the preclinical studies indicate promising therapeutic potentiality of NH3 [Bis(1,8-quinolato)palladium (II) ] as an anticancer drug.

CHEMOTHERAPEUTIC POTENTIAL OF NOVEL XANTHONE SOURCED FROM SWERTIA CHIRATA AGAINST SKIN CARCINOGENESIS

2020 ◽  
pp. 84-88
Author(s):  
ATISH BARUA ◽  
PRITHA CHOUDHURY ◽  
CHINMAY KUMAR PANDA ◽  
PROSENJIT SAHA
Keyword(s):  
Skin Cancer ◽  
Antitumor Activity ◽  
Cell Line ◽  
Cell Lines ◽  
Cancer Cell ◽  
Cancer Cell Lines ◽  
Self Renewal ◽  
Qrt Pcr ◽  
Swertia Chirata

Objective: Swertia chirata forms a rich source of bio-active compounds, among which xanthones form an important part. Among the xanthones present in it, 1,5,8 Tri-hydroxy-3-methoxy xanthone (TMX) was found to be the most active. The present study aims to evaluate the chemotherapeutic potential of it against metastatic skin cancer cell lines. Methods: In this study, the antitumor activity of TMX (the active component of chirata plant) was evaluated in A431, SKMEL-5, and A375 cell line by using in-vitro assays such as cell viability assay, cell cycle analysis, caspase 3 activity assay, intracellular reactive oxygen species (ROS) level determination by dichlorofluorescein diacetate, and quantitative real-time polymerase chain reaction (qRT-PCR). Results: In vitro studies showed that TMX from S. chirata exhibited significant antitumor activity by inducing apoptosis and restricting proliferation in both melanoma and non-melanoma skin cancer cell lines, but no such activity was seen in normal skin cancer cell line WS1. The qRT-PCR analysis revealed that in both the melanoma ad non-melanoma cell lines, TMX could exert its antitumor activity by downregulating c-Myc, cyclin-D1, and β-catenin and up-regulating Wnt antagonist gsk-3β, thereby suppressing wnt self-renewal pathway, but such regulation was absent in normal cell line. Conclusions: TMX from chirata could effectively inhibit the proliferation of metastatic skin cancer (both melanoma and non-melanoma) cell lines while being non-toxic to normal cell lines. The chemotherapeutic potential of TMX against metastatic skin cancer cell lines was achieved by downregulating several key regulatory genes enabling the suppression of the self-renewal pathway, the chief reason behind the invasiveness of cancer cells.

scholarly journals HSP90 Inhibitor, 17-DMAG, Alone and in Combination with Lapatinib Attenuates Acquired Lapatinib-Resistance in ER-positive, HER2-Overexpressing Breast Cancer Cell Line

Cancers ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 2630
Author(s):  
Hye Jin Lee ◽  
Seungho Shin ◽  
Jinho Kang ◽  
Ki-Cheol Han ◽  
Yeul Hong Kim ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Proliferation ◽  
Protein Expression ◽  
Cell Line ◽  
Cell Lines ◽  
Xenograft Model ◽  
Resistant Cell ◽  
Bt474 Cell ◽  
Hsp90 Inhibitors ◽  
Her2 Breast Cancer

Lapatinib, a Human Epidermal growth factor Receptor 2 (HER2)-targeting therapy in HER2-overexpressing breast cancer, has been widely used clinically, but the prognosis is still poor because most patients acquire resistance. Therefore, we investigated mechanisms related to lapatinib resistance to evaluate new therapeutic targets that may overcome resistance. Lapatinib-resistant cell lines were established using SKBR3 and BT474 cells. We evaluated cell viability and cell signal changes, gene expression and protein changes. In the xenograft mouse model, anti-tumor effects were evaluated using drugs. Analysis of the protein interaction network in two resistant cell lines with different lapatinib resistance mechanisms showed that HSP90 protein was commonly increased. When Heat Shock Protein 90 (HSP90) inhibitors were administered alone to both resistant cell lines, cell proliferation and protein expression were effectively inhibited. However, inhibition of cell proliferation and protein expression with a combination of lapatinib and HSP90 inhibitors showed a more synergistic effect in the LR-BT474 cell line than the LR-SKBR3 cell line, and the same result was exhibited with the xenograft model. These results suggest that HSP90 inhibitors in patients with lapatinib-resistant Estrogen Receptor (ER) (+) HER2 (+) breast cancer are promising therapeutics for future clinical trials.

scholarly journals miR-27a-3p Functions as a Tumor Suppressor and Regulates Non-Small Cell Lung Cancer Cell Proliferation via Targeting HOXB8

2019 ◽  
Vol 18 ◽  
pp. 153303381986197 ◽  
Author(s):  
Xiaohong Yan ◽  
Hui Yu ◽  
Yao Liu ◽  
Jie Hou ◽  
Qiao Yang ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Cell Proliferation ◽  
Tumor Suppressor ◽  
Cell Line ◽  
Cell Lines ◽  
Cancer Cell ◽  
Normal Cell ◽  
Cancer Cell Proliferation ◽  
Lung Cancer Cell ◽  
Normal Cell Line

MicroRNA-27a-3p has been implicated to play crucial roles in human cancers. However, the biological role and underlying mechanisms of microRNA-27a-3p in regulating nonsmall lung cancer remain unclear. MicroRNA-27a-3p expression levels in non-small lung cancer cell lines were detected by quantitative real-time polymerase chain reaction, using a normal cell line as control. The effects of microRNA-27a-3p on cell proliferation and apoptosis were analyzed by Cell Counting Kit-8 assay and flow cytometry assay. Luciferase activity reporter assay and Western blot were conducted to validate the potential targets of miR27a-3p after preliminary screening by TargetScan. Effect of microRNA-27a-3p or homeobox B8 on the overall survival of patients with non-small lung cancer was analyzed at Kaplan-Meier Plotter website. MicroRNA-27a-3p expression levels were significantly reduced in non-small lung cancer cell lines compared with normal cell line. Overexpression of microRNA-27a-3p inhibits non-small lung cancer cell proliferation but promotes cell apoptosis. Homeobox B8 was further validated as a functional target of microRNA-27a-3p. Collectively, our results indicated that microRNA-27a-3p acts as a tumor suppressor in non-small lung cancer via targeting homeobox B8.

scholarly journals Effects of PKM2 Gene Silencing on the Proliferation and Apoptosis of Colorectal Cancer LS-147T and SW620 Cells

2017 ◽  
Vol 42 (5) ◽  
pp. 1769-1778 ◽  
Author(s):  
Ran Ao ◽  
Lin Guan ◽  
Ying Wang ◽  
Jia-Ni Wang
Keyword(s):  
Colorectal Cancer ◽  
Cell Proliferation ◽  
Protein Expression ◽  
Gene Silencing ◽  
Cell Counting ◽  
Qrt Pcr ◽  
Empty Plasmid ◽  
Proliferation And Apoptosis ◽  
Mrna And Protein Expression ◽  
Sw620 Cells

Background/Aims: This paper aims to explore the effects of pyruvate kinase (PK) M2 gene silencing on the proliferation and apoptosis of colorectal cancer (CRC) LS-147T and SW620 cells. Methods: CRC LS-147T and SW620 cells highly expressing PKM2 were randomly selected by quantitative real-time polymerase chain reaction (qRT-PCR) and then assigned into the blank (no transfection), PKM2-shRNA (transfection with shRNA) and empty plasmid (transfection with empty plasmid) groups. Immunofluorescence was applied to detect PKM2 protein expression. qRT-PCR and Western blotting were conducted to assess mRNA and protein expression of PKM2, p53 and p21. The cell counting kit-8 (CCK-8) assay was used to assess cell proliferation. Flow cytometry was used to assess the cell cycle and apoptosis rate, and a senescence-associated β-galactosidase staining kit was used to assess cell senescence. Results: PKM2 exhibited high mRNA expression among CRC LS-147T and SW620 cells with remarkable protein expression noted in the cytoplasm and nucleus. The PKM2-shRNA group exhibited reduced PKM2 mRNA and protein expression, whereas p53 and p21 expression was increased compared with the blank and empty plasmid groups. Cell proliferation in PKM2-shRNA cells decreased significantly compared with the blank group and empty plasmid groups. The PKM2-shRNA group exhibited more cells in the G1 phase and fewer cells in the G2/M phase compared with the blank and empty plasmid groups. In addition, the PKM2-shRNA group exhibited significantly increased apoptosis rates and β-galactosidase activity compared with the blank and empty plasmid groups. Conclusion: Our study demonstrates that PKM2 gene silencing suppresses proliferation and promotes apoptosis in LS-147T and SW620 cells.

The Identification of a Novel Unsymmetrical Azine as an Apoptosis Inducer in Colorectal Cancer

2020 ◽  
Vol 20 ◽  
Author(s):  
Fahad M. Almutairi ◽  
Ayat G. Ali ◽  
Abdou O. Abdelhamid ◽  
Adel I. Alalawy ◽  
Mai K. Bishr ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Colorectal Carcinoma ◽  
Cell Line ◽  
Binding Affinity ◽  
Cell Lines ◽  
Cancer Cell ◽  
Carcinoma Cell ◽  
Apoptosis Induction ◽  
Colorectal Carcinoma Cell Line ◽  
Hct 116

Background: Defects in the physiological mechanisms of apoptosis are one of the pivotal factors implicated in carcinogenesis. Thus, the development of novel compounds that target various apoptotic pathways has provided promising anticancer therapeutic opportunities. Objective: This study explores the cytotoxic effects of a novel unsymmetrical azine against specific cancer cell lines and investigates the mechanism of cytotoxicity. Methods: Molecular modeling was used to test the binding affinity of four new unsymmetrical azines to a model of an apoptosis inhibitor protein (XIAP). The compound with the highest binding affinity, C4, was further tested on different cell lines. Real-time polymerase chain reaction (PCR) and transmission electron microscope (TEM) were used to study apoptosis induction biochemically and morphologically. Results: In comparison to cisplatin as a control, the compound C4 exhibited notable cytotoxicity against all tested cancer cell lines, especially the human colorectal carcinoma cell line (HCT-116). Furthermore, C4-treated cells demonstrated marked overexpression of the pro-apoptotic proteins Bax and caspase-3 as well as the tumor suppressor p53. On the other hand, the expression of the anti-apoptotic protein Bcl-2 was inhibited. On TEM examination, C4-treated HCT-116 cells showed classical structural signs of apoptosis. Conclusion: This study identifies a novel azine (C4) which induces remarkable cytotoxicity against colorectal carcinoma cell line, mediated through apoptosis induction. These novel insights suggest C4 as a promising therapeutic agent in colorectal cancer.

scholarly journals The Role of Tumor Microenvironment in Chemoresistance: 3D Extracellular Matrices as Accomplices

2018 ◽  
Vol 19 (10) ◽  
pp. 2861 ◽  
Author(s):  
Dimakatso Senthebane ◽  
Tina Jonker ◽  
Arielle Rowe ◽  
Nicholas Thomford ◽  
Daniella Munro ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Esophageal Cancer ◽  
Protein Kinase ◽  
Cell Lines ◽  
Cancer Cell ◽  
Colony Formation ◽  
Cancer Cell Lines ◽  
Chemotherapeutic Drugs ◽  
Ecm Proteins ◽  
Esophageal Cancer Cell

Background: The functional interplay between tumor cells and their adjacent stroma has been suggested to play crucial roles in the initiation and progression of tumors and the effectiveness of chemotherapy. The extracellular matrix (ECM), a complex network of extracellular proteins, provides both physical and chemicals cues necessary for cell proliferation, survival, and migration. Understanding how ECM composition and biomechanical properties affect cancer progression and response to chemotherapeutic drugs is vital to the development of targeted treatments. Methods: 3D cell-derived-ECMs and esophageal cancer cell lines were used as a model to investigate the effect of ECM proteins on esophageal cancer cell lines response to chemotherapeutics. Immunohistochemical and qRT-PCR evaluation of ECM proteins and integrin gene expression was done on clinical esophageal squamous cell carcinoma biopsies. Esophageal cancer cell lines (WHCO1, WHCO5, WHCO6, KYSE180, KYSE 450 and KYSE 520) were cultured on decellularised ECMs (fibroblasts-derived ECM; cancer cell-derived ECM; combinatorial-ECM) and treated with 0.1% Dimethyl sulfoxide (DMSO), 4.2 µM cisplatin, 3.5 µM 5-fluorouracil and 2.5 µM epirubicin for 24 h. Cell proliferation, cell cycle progression, colony formation, apoptosis, migration and activation of signaling pathways were used as our study endpoints. Results: The expression of collagens, fibronectin and laminins was significantly increased in esophageal squamous cell carcinomas (ESCC) tumor samples compared to the corresponding normal tissue. Decellularised ECMs abrogated the effect of drugs on cancer cell cycling, proliferation and reduced drug induced apoptosis by 20–60% that of those plated on plastic. The mitogen-activated protein kinase-extracellular signal-regulated kinase (MEK-ERK) and phosphoinositide 3-kinase-protein kinase B (PI3K/Akt) signaling pathways were upregulated in the presence of the ECMs. Furthermore, our data show that concomitant addition of chemotherapeutic drugs and the use of collagen- and fibronectin-deficient ECMs through siRNA inhibition synergistically increased cancer cell sensitivity to drugs by 30–50%, and reduced colony formation and cancer cell migration. Conclusion: Our study shows that ECM proteins play a key role in the response of cancer cells to chemotherapy and suggest that targeting ECM proteins can be an effective therapeutic strategy against chemoresistant tumors.

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