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Cancer: Colorectal Cancer
Therapy: Stem Cell Therapy
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Total 71 results found since Jan 2013.
Cancers, Vol. 15, Pages 3432: Vitamin D Receptor Antagonist MeTC7 Inhibits PD-L1
In this study, using chromatin immunoprecipitation (ChIP) assay and siRNA, we demonstrate that vitamin D/VDR regulates PD-L1 expression in acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) cells. We have examined whether a VDR antagonist, MeTC7, can inhibit PD-L1. To ensure that MeTC7 inhibits VDR/PD-L1 without off-target effects, we examined competitive inhibition of VDR by MeTC7, utilizing ligand-dependent dimerization of VDR-RXR, RXR-RXR, and VDR-coactivators in a mammalian 2-hybrid (M2H) assay. MeTC7 inhibits VDR selectively, suppresses PD-L1 expression sparing PD-L2, and inhibits the cell viability, clon...
Source: Cancers - June 30, 2023 Category: Cancer & Oncology Authors: Negar Khazan Emily R. Quarato Niloy A. Singh Cameron W. A. Snyder Taylor Moore John P. Miller Masato Yasui Yuki Teramoto Takuro Goto Sabeeha Reshi Jennifer Hong Naixin Zhang Diya Pandey Priyanka Srivastava Alexandra Morell Hiroki Kawano Yuko Kawano Thomas Tags: Article Source Type: research
siRNA-induced CD44 knockdown suppresses the proliferation and invasion of colorectal cancer stem cells through inhibiting epithelial-mesenchymal transition
J Cell Mol Med. 2022 Mar 1. doi: 10.1111/jcmm.17221. Online ahead of print.ABSTRACTCD44 has shown prognostic values and promising therapeutic potential in multiple human cancers; however, the effects of CD44 silencing on biological behaviors of cancer stem cells (CSCs) have not been fully understood in colorectal cancer. To examine the contribution of siRNA-induced knockdown of CD44 to the biological features of colorectal CSCs, colorectal CSCs HCT116-CSCs were generated, and CD44 was knocked down in HCT116-CSCs using siRNA. The proliferation, migration and invasion of HCT116-CSCs were measured, and apoptosis and cell-cycl...
Source: Molecular Medicine - March 1, 2022 Category: Molecular Biology Authors: Weiyan Zou Yi Zhang Guangfu Bai Jialu Zhuang Lin Wei Zishu Wang Meiqun Sun Junbin Wang Source Type: research
Late Breaking Abstract - DCLK1 mediates thrombin-induced IL-8/CXCL8 expression in lung epithelial cells
Airway neutrophilia has been known correlated with asthma severity. Thrombin plays a crucial role in asthma. Thrombin can induce IL-8/CXCL8 expression, a potent chemoattractant for neutrophils, in lung epithelial cells. Doublecortin-like kinase 1 (DCLK1) is a protein kinase that has been identified as a tumor stem cell marker in colon and pancreatic cancer. Here we investigated the role of DCLK1 in thrombin-induced IL-8/CXCL8 expression in human lung epithelial cells. Thrombin-induced IL-8/CXCL8 release was attenuated by DCLK1 siRNA or LRKK2-IN-1 (DCLK1 inhibitor) in BEAS-2B and A549 cells. Moreover, thrombin-induced IL-8/...
Source: European Respiratory Journal - November 25, 2021 Category: Respiratory Medicine Authors: Yuliani, F. S., Chen, J.-Y., Cheng, W.-H., Wen, H.-C., Chen, B.-C., Lin, C.-H. Tags: Allergy and immunology Source Type: research
SEMA4D Knockdown Attenuates < em > β < /em > -Catenin-Dependent Tumor Progression in Colorectal Cancer
This study identifies the inhibitory effects of SEMA4D gene silencing on tumor progression. Thereby, this might conclude a possible alternative to cancer therapy by targeting several prominent pathways involved in cancer through SEMA4D suppression.PMID:34337054 | PMC:PMC8321723 | DOI:10.1155/2021/8507373
Source: Biomed Res - August 2, 2021 Category: Research Authors: Mahsa Rezaeepoor Golnaz Rashidi Mona Pourjafar Chiman Mohammadi Ghasem Solgi Rezvan Najafi Source Type: research
DCLK1 Inhibition Sensitizes Colorectal Cancer Cells to Radiation Treatment
Int J Mol Cell Med. 2021 Winter;10(1):23-33. doi: 10.22088/IJMCM.BUMS.10.1.23. Epub 2021 May 22.ABSTRACTColorectal cancer (CRC) is one of the most prevalent diagnosed cancers and a common cause of cancer-related mortality. Despite effective clinical responses, a large proportion of patients undergo resistance to radiation therapy. Therefore, the identification of efficient targeted therapy strategies would be beneficial to overcome cancer radioresistance. Doublecortin-like kinase 1 (DCLK1) is an intestinal and pancreatic stem cell marker that showed overexpression in a variety of cancers. The transfection of DCLK1 siRNA to...
Source: Molecular Medicine - July 16, 2021 Category: Molecular Biology Authors: Chiman Mohammadi Ali Mahdavinezhad Massoud Saidijam Fatemeh Bahreini Abdolazim Sedighi Pashaki Mohammad Hadi Gholami Rezvan Najafi Source Type: research
Doublecortin-Like Kinase 1 (DCLK1) Is a Novel NOTCH Pathway Signaling Regulator in Head and Neck Squamous Cell Carcinoma
In this study, we performed a comprehensive transcriptome-based computational analysis on hundreds of HNSCC patients from TCGA and GEO databases, and found that DCLK1 expression positively correlates with NOTCH signaling pathway activation. Since NOTCH signaling has a recognized role in HNSCC tumorigenesis, we next performed a series of in vitro experiments in a collection of HNSCC cell lines to investigate the role of DCLK1 in NOTCH pathway regulation. Our analyses revealed that DCLK1 inhibition, using either a pharmacological inhibitor or siRNA, resulted in substantially decreased proliferation, invasion, migration, and ...
Source: Frontiers in Oncology - July 16, 2021 Category: Cancer & Oncology Source Type: research
Responses of porcupine and Wntless proteins to oxidative, hypoxic and endoplasmic reticulum stresses
Cell Signal. 2021 May 17:110047. doi: 10.1016/j.cellsig.2021.110047. Online ahead of print.ABSTRACTThe WNT (Wingless and Int-1) proteins play a role in stem cell development and cell differentiation. Mutations in the WNT proteins lead to the development of various tumours, including gastric tumours. Porcupine (PORCN) is a palmitoyltransferase and Wntless (WLS) is a chaperone protein that modify and fold the WNT proteins respectively and are involved in their proper secretion and binding to the frizzled (FZD) receptor and the lipoprotein receptor-related protein 5 or 6 (LRP5/6). We investigated how modifications of PORCN an...
Source: Cellular Signalling - May 20, 2021 Category: Cytology Authors: Rowida Mohamed Catherine Kennedy William G Willmore Source Type: research
