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Integrating machine learning and single-cell trajectories to analyze T-cell exhaustion to predict prognosis and immunotherapy in colon cancer patients
ConclusionIn this study, we systematically explored the T-cell exhaustion trajectory in COAD and developed a TES model to assess prognosis and provide guidelines for the treatment decision. This discovery gave rise to a fresh concept for novel therapeutic procedures for the clinical treatment of COAD.
Source: Frontiers in Immunology - May 3, 2023 Category: Allergy & Immunology Source Type: research

PD-1-siRNA Delivered by Attenuated Salmonella Enhances the Antitumor Effect of Chloroquine in Colon Cancer
This study suggests that the combined application of PD-1-based immunotherapy and anti-cancer drugs has become a new expectation for clinical treatment of colorectal cancer.
Source: Frontiers in Immunology - July 6, 2021 Category: Allergy & Immunology Source Type: research

Worenine reverses the Warburg effect and inhibits colon cancer cell growth by negatively regulating HIF-1 α
CONCLUSION: It is suggested that worenine targets HIF-1α to inhibit colorectal cancer cell growth, proliferation, cell cycle progression and the Warburg effect.PMID:34006215 | PMC:PMC8130299 | DOI:10.1186/s11658-021-00263-y
Source: Cellular and Molecular Biology Letters - May 19, 2021 Category: Biochemistry Authors: Lijiang Ji Weixing Shen Feng Zhang Jie Qian Jie Jiang Liping Weng Jiani Tan Liu Li Yugen Chen Haibo Cheng Dongdong Sun Source Type: research

Worenine reverses the Warburg effect and inhibits colon cancer cell growth by negatively regulating HIF-1alpha
CONCLUSION: It is suggested that worenine targets HIF-1α to inhibit colorectal cancer cell growth, proliferation, cell cycle progression and the Warburg effect.PMID:34006215 | DOI:10.1186/s11658-021-00263-y
Source: Mol Biol Cell - May 19, 2021 Category: Molecular Biology Authors: Lijiang Ji Weixing Shen Feng Zhang Jie Qian Jie Jiang Liping Weng Jiani Tan Liu Li Yugen Chen Haibo Cheng Dongdong Sun Source Type: research

Worenine reverses the Warburg effect and inhibits colon cancer cell growth by negatively regulating HIF-1 α
CONCLUSION: It is suggested that worenine targets HIF-1α to inhibit colorectal cancer cell growth, proliferation, cell cycle progression and the Warburg effect.PMID:34006215 | DOI:10.1186/s11658-021-00263-y
Source: Cellular and Molecular Biology Letters - May 19, 2021 Category: Biochemistry Authors: Lijiang Ji Weixing Shen Feng Zhang Jie Qian Jie Jiang Liping Weng Jiani Tan Liu Li Yugen Chen Haibo Cheng Dongdong Sun Source Type: research

CD44 expression enhances chemoresistance and implies occult micrometastases after conversion hepatectomy for initially unresectable colorectal liver metastases.
CONCLUSIONS: CD44 enhances chemoresistance in response to anti-cancer drugs (fluorouracil and oxaliplatin) in colon cancer cells. CD44 expression in liver metastases after chemotherapy implies the presence of occult micrometastases and is a worse prognostic factor in patients with conversion hepatectomy for initially unresectable colorectal liver metastases. PMID: 33042471 [PubMed]
Source: American Journal of Translational Research - October 13, 2020 Category: Research Tags: Am J Transl Res Source Type: research

Cancers, Vol. 12, Pages 605: Ginsenoside Rp1, A Ginsenoside Derivative, Augments Anti-Cancer Effects of Actinomycin D via Downregulation of an AKT-SIRT1 Pathway
This study aimed to evaluate the anti-cancer effects of ginsenoside Rp1, actinomycin D (ActD), and their co-administration in drug-resistant cells and murine xenograft model of colon cancer, and explore the underlying mechanisms. ActD increased expression and activity of SIRT1 in drug-resistant LS513 colon cancer, OVCAR8-DXR ovarian cancer, and A549-DXR lung cancer cells, but not in ActD-sensitive SW620 colon cancer cells. Inhibition of SIRT1, either pharmacologically, with EX527 or through siRNA, stimulated p53 acetylation and apoptosis in LS513 cells when treated with ActD. ActD also increased AKT activation in drug-resi...
Source: Cancers - March 4, 2020 Category: Cancer & Oncology Authors: Yun Lee Lee Shim Kim Tags: Article Source Type: research

Novel functional anti-HER3 monoclonal antibodies with potent anti-cancer effects on various human epithelial cancers.
Authors: Okita K, Okazaki S, Uejima S, Yamada E, Kaminaka H, Kondo M, Ueda S, Tokiwa R, Iwata N, Yamasaki A, Hayashi N, Ogura D, Hirotani K, Yoshioka T, Inoue M, Masuko K, Masuko T Abstract Resistance of progressive cancers against chemotherapy is a serious clinical problem. In this context, human epidermal growth factor receptor 3 (HER3) can play important roles in drug resistance to HER1- and HER2- targeted therapies. Since clinical testing of anti-HER3 monoclonal antibodies (mAbs) such as patritumab could not show remarkable effect compared with existing drugs, we generated novel mAbs against anti-HER3. Novel ra...
Source: Oncotarget - February 1, 2020 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Cancers, Vol. 12, Pages 97: Activation of PERK Contributes to Apoptosis and G2/M Arrest by Microtubule Disruptors in Human Colorectal Carcinoma Cells ‡
an Chen Microtubule-targeting agents (MTAs) are widely used in cancer chemotherapy, but the therapeutic responses significantly vary among different tumor types. Protein kinase RNA-like endoplasmic reticular (ER) kinase (PERK) is an ER stress kinase, and the role of PERK in the anticancer effects of MTAs is still undefined. In the present study, taxol (TAX) and nocodazole (NOC) significantly induced apoptosis with increased expression of phosphorylated PERK (pPERK; Tyr980) in four human colon cancer cell lines, including HCT-15, COLO205, HT-20, and LOVO cells. Induction of G2/M arrest by TAX and NOC with increases i...
Source: Cancers - December 29, 2019 Category: Cancer & Oncology Authors: Wu Chien Jargalsaikhan Ilsan Chen Tags: Article Source Type: research

Spica Prunellae Extract Enhances Fluorouracil Sensitivity of 5-Fluorouracil-Resistant Human Colon Carcinoma HCT-8/5-FU Cells via TOP2 α and miR-494.
In this study, we explored the mechanism of 5-FU resistance by bioinformatics analysis of the NCBI public dataset series GSE81005. Fifteen hub genes were screened out of 582 different expressed genes. Modules of the hub genes in protein-protein interaction networks gathered to TOP2α showed a decrease in HCT-8 cells but an increase in 5-FU-resistant HCT-8/5-FU cells with 5-FU exposure. Downregulation of TOP2α with siRNA or miR-494 transfection resulted in an increase of cytotoxicity and decrease of cell colonies to 5-FU for HCT-8/5-FU cells. Moreover, we found that an ethanol extract of Spica Prunellae (EESP), which is ...
Source: Biomed Res - November 1, 2019 Category: Research Authors: Fang Y, Yang C, Zhang L, Wei L, Lin J, Zhao J, Peng J Tags: Biomed Res Int Source Type: research

The Application of the RNA Interference Technologies for KRAS: Current Status, Future Perspective and Associated Challenges.
Abstract KRAS is a member of the murine sarcoma virus oncogene-RAS gene family. It plays an important role in the prevention, diagnosis and treatment of tumors during tumor cell growth and angiogenesis. KRAS is the most commonly mutated oncogene in human cancers, such as the pancreatic cancers, colon cancers, and lung cancers. Detection of KRAS gene mutation is an important indicator for tracking the status of oncogenes, illuminating the developmental prognosis of various cancers, and the efficacy of radiotherapy and chemotherapy. However, the efficacy of different patients in clinical treatment is not the same. S...
Source: Current Topics in Medicinal Chemistry - August 27, 2019 Category: Chemistry Authors: Shao YT, Ma L, Zhang TH, Xu TR, Ye YC, Liu Y Tags: Curr Top Med Chem Source Type: research

Overexpression of CASC11 in ovarian squamous cell carcinoma mediates the development of cancer cell resistance to chemotherapy.
Abstract LncRNA CASC11 promotes gastric cancer and colon cancer. Our study analyzed the role of CASC11 in ovarian squamous cell carcinoma (OSCC). In the present study we showed that plasma CASC11 was upregulated in OSCC, and the upregulation of CASC11 distinguished OSCC patients from control group. Plasma levels of CASC11 were further increased after chemotherapy. Treatment with oxaliplatin, tetraplatin, cisplatin, and carboplatin mediated the upregulation of CASC11 in cells of OSCC cell line. In addition, overexpression of CASC11 led to increased cancer cell viability under oxaliplatin, tetraplatin, cisplatin, an...
Source: Gene - June 6, 2019 Category: Genetics & Stem Cells Authors: Shen F, Feng L, Zhou J, Zhang H, Xu Y, Jiang R, Zhang H, Chen Y Tags: Gene Source Type: research

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