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Therapy: Cancer Therapy

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Total 19 results found since Jan 2013.

Self-amplified ROS production from fatty acid oxidation enhanced tumor immunotherapy by atorvastatin/PD-L1 siRNA lipopeptide nanoplexes
Biomaterials. 2022 Nov 3;291:121902. doi: 10.1016/j.biomaterials.2022.121902. Online ahead of print.ABSTRACTDespite the important role of reactive oxygen species (ROS) in battling cancer, ROS production with current approaches has been severely limited by the deficiency of oxy-substrates in tumor microenvironment. Herein, an atorvastatin (Ato)-catalytic self-amplified approach was utilized for sustainable ROS production and enhancing anti-tumor efficacy of PD-L1 silencing. A C18-pArg8-ss-pHis10 lipopeptide based self-assembled nanoplexes was developed to co-encapsulate AMP-activated protein kinase (AMPK) activator of Ato a...
Source: Biomaterials - November 13, 2022 Category: Materials Science Authors: Yan Gao Zilin Song Li Jia Yi Tang Chengcheng Wang Xiuli Zhao Haiyang Hu Dawei Chen Mingxi Qiao Source Type: research

Potential therapeutic strategies for targeting Y-box-binding protein 1 in cancers
Curr Cancer Drug Targets. 2021 Aug 31. doi: 10.2174/1568009621666210831125001. Online ahead of print.ABSTRACTAs one of the most conservative proteins in evolution, Y-box-binding protein 1 (YB-1) has long been considered as a potential cancer target. YB-1 is usually poorly expressed in normal cells and exerts cellular physiological functions such as DNA repair, pre-mRNA splicing and mRNA stabilizing. In cancer cells, the expression of YB-1 is up-regulated and undergoes nuclear translocation and contributes to tumorigenesis, angiogenesis, tumor proliferation, invasion, migration and chemotherapy drug resistance. During the p...
Source: Current Cancer Drug Targets - September 1, 2021 Category: Cancer & Oncology Authors: Jia-Wei Yang Chao Sun Qiu-Yang Jin Xing-Hui Qiao Xiu-Li Guo Source Type: research

CCL16 maintains stem cell-like properties in breast cancer by activating CCR2/GSK3 β / β -catenin/OCT4 axis
Conclusions: We identified a potential CSC regulator and suggest a novel mechanism for how CCL16 governs cancer cell stemness. We propose that CCL16 could be an effective target for breast cancer therapy.
Source: Theranostics - January 15, 2021 Category: Molecular Biology Authors: Wenzhi Shen, Xiaoyuan Zhang, Jiaping Tang, Zhixin Zhang, Renle Du, Dehong Luo, Xiaoran Liu, Yong Xia, Yanping Li, Shanshan Wang, Siyuan Yan, Wancai Yang, Rong Xiang, Na Luo, Yunping Luo, Jianjun Li Tags: Research Paper Source Type: research

Epidermal growth factor (EGF) triggers nuclear calcium signaling through the intranuclear phospholipase C{delta}-4 (PLC{delta}4) Cell Biology
Calcium (Ca2+) signaling within the cell nucleus regulates specific cellular events such as gene transcription and cell proliferation. Nuclear and cytosolic Ca2+ levels can be independently regulated, and nuclear translocation of receptor tyrosine kinases (RTKs) is one way to locally activate signaling cascades within the nucleus. Nuclear RTKs, including the epidermal growth factor receptor (EGFR), are important for processes such as transcriptional regulation, DNA-damage repair, and cancer therapy resistance. RTKs can hydrolyze phosphatidylinositol 4,5-bisphosphate (PI(4,5)P2) within the nucleus, leading to Ca2+ release f...
Source: Journal of Biological Chemistry - November 7, 2019 Category: Chemistry Authors: Marcelo Coutinho de Miranda, Michele Angela Rodrigues, Ana Carolina de Angelis Campos, Jerusa Arauȷo Quintao Arantes Faria, Marianna Kunrath–Lima, Gregory A. Mignery, Deborah Schechtman, Alfredo Miranda Goes, Michael H. Nathanson, Dawidson A. Tags: Signal Transduction Source Type: research

PGC1 β Regulates Breast Tumor Growth and Metastasis by SREBP1-Mediated HKDC1 Expression
Conclusions: PGC1β regulates breast cancer tumor growth and metastasis by SREBP1-mediated HKDC1 expression. This provides a novel therapeutic strategy through targeting the PGC1β/HKDC1 signaling pathway for breast cancer treatment. Introduction Breast cancer is a very common cancer with significant premature mortality in women. Around 12% of women in USA will have chance to be diagnosed with breast cancer during their lifetimes (1, 2). The development of breast cancer is regulated by many factors, and even as average survival rates have increased significantly as a result of many advanced treatments...
Source: Frontiers in Oncology - April 16, 2019 Category: Cancer & Oncology Source Type: research

Non-canonical Notch Signaling Regulates Actin Remodeling in Cell Migration by Activating PI3K/AKT/Cdc42 Pathway
In conclusion, our research results indicate that DAPT activates PI3K/AKT/Cdc42 signaling by non-canonical Notch pathway, and the activated Cdc42 promotes the filopodia formation and inhibits lamellipodia assembly, resulting in reduced migration of breast cancer cells. The results imply that non-canonical Notch signaling may play a very important role in the rapid response of cells to the extracellular signals. Author Contributions LG, JD, and LL designed the study and wrote and revised the manuscript. LL and LZ performed most of the experiments and data analysis. SZ, X-YZ, P-XM, Y-DM, Y-YW, YC, S-JT, and Y-JZ assisted i...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research

Hepatoma-Derived Growth Factor and DDX5 Promote Carcinogenesis and Progression of Endometrial Cancer by Activating β-Catenin
Conclusion: Our results provide novel evidence that HDGF interacts with DDX5 and promotes the progression of EC through the induction of β-catenin. Introduction Endometrial cancer (EC) comprises the most common malignancy involving the female genital tract and the fourth most common malignancy in women after breast, lung, and colorectal cancers (1). In 2012, approximately 320,000 new cases of EC were diagnosed worldwide and the incidence is increasing (2). Currently, endometrial carcinogenesis is thought to be a multi-step process involving the coordinated interaction of hormonal regulation, gene mutation, ad...
Source: Frontiers in Oncology - April 10, 2019 Category: Cancer & Oncology Source Type: research

Complement C5b-9 and Cancer: Mechanisms of Cell Damage, Cancer Counteractions, and Approaches for Intervention
In conclusion, osmotic burst of inflated complement-damaged cells may occur, but these bursts are most likely a consequence of metabolic collapse of the cell rather than the cause of cell death. The Complement Cell Death Mediator: A Concerted Action of Toxic Moieties Membrane pores caused by complement were first visualized by electron microscopy on red blood cell membranes as large ring structures (22). Similar lesions were viewed on E. coli cell walls (23). Over the years, ample information on the fine ultrastructure of the MAC that can activate cell death has been gathered (24) and has been recently further examined (...
Source: Frontiers in Immunology - April 9, 2019 Category: Allergy & Immunology Source Type: research

Targeting Nrf2-mediated heme oxygenase-1 enhances non-thermal plasma-induced cell death in non-small-cell lung cancer A549 cells.
Abstract Non-thermal plasma (NTP) treatment has been proposed as a potential approach for cancer therapy for killing cancer cells via generation of reactive oxygen species (ROS). As an antioxidant protein, Heme oxygenase-1 (HO-1) has been known to protect cells against oxidative stress. In this paper, we investigated the role of HO-1 activation in NTP-induced apoptosis in A549 cells. Distinctly increased ROS production and apoptosis were observed after NTP exposure. NTP exposure induced HO-1 expression in a dose- and time-dependent manner via activating the translocation of Nuclear factor (erythroid-derived 2)-l...
Source: Archives of Biochemistry and Biophysics - September 21, 2018 Category: Biochemistry Authors: Ma J, Yu KN, Cheng C, Ni G, Shen J, Han W Tags: Arch Biochem Biophys Source Type: research

YAP Inhibits the Apoptosis and Migration of Human Rectal Cancer Cells via Suppression of JNK-Drp1-Mitochondrial Fission-HtrA2/Omi Pathways
Conclusion: Collectively, our results demonstrate that Hippo-Yap can serve as a tumor promoter in human rectal cancer and acts by restricting JNK/Drp1/mitochondrial fission/ HtrA2/Omi, with potential implications for new approaches to human rectal cancer therapy.Cell Physiol Biochem 2017;44:2073 –2089
Source: Cellular Physiology and Biochemistry - December 14, 2017 Category: Cytology Source Type: research

Abstract B50: Actin remodeling confers BRAF inhibitor resistance to melanoma cells through YAP/TAZ activation
ConclusionOur results implicate the actin cytoskeleton in the induction of YAP/TAZ-dependent resistance to vemurafenib, and inhibition of actin remodeling might be a promising synthetic lethal strategy to suppress resistance in BRAF inhibitor therapies.Citation Format: Min Hwan Kim, Joon Kim. Actin remodeling confers BRAF inhibitor resistance to melanoma cells through YAP/TAZ activation. [abstract]. In: Proceedings of the AACR-NCI-EORTC International Conference: Molecular Targets and Cancer Therapeutics; 2015 Nov 5-9; Boston, MA. Philadelphia (PA): AACR; Mol Cancer Ther 2015;14(12 Suppl 2):Abstract nr B50.
Source: Molecular Cancer Therapeutics - January 7, 2016 Category: Cancer & Oncology Authors: Kim, M. H., Kim, J. Tags: Drug Resistance and Modifiers: Poster Presentations - Proffered Abstracts Source Type: research

DHA-induced stress response in human colon cancer cells-focus on oxidative stress and autophagy.
Abstract Polyunsaturated fatty acids (PUFAs) are important constituents of the diet and health benefits of omega-3/n-3 PUFAs, especially eicosapentaenoic acid (EPA, 20:5n-3) and docosahexaenoic acid (DHA, 22:6n-3) have been well documented in relation to several diseases. Increasing evidence suggests that n-3 PUFAs may have anticancer activity and improve the effect of conventional cancer therapy. The mechanisms behind these effects are still unclear and need to be elucidated. We have examined the DHA-induced stress response in two human colon cancer cell lines, SW620 and Caco-2. SW620 cells are growth-inhibited a...
Source: Free Radical Biology and Medicine - November 13, 2015 Category: Biology Authors: Pettersen K, Monsen VT, Hakvåg Pettersen CH, Overland HB, Pettersen G, Samdal H, Tesfahun AN, Lundemo AG, Bjørkøy G, Schønberg S Tags: Free Radic Biol Med Source Type: research