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Inhibition of SMYD2 Sensitized Cisplatin to Resistant Cells in NSCLC Through Activating p53 Pathway
In conclusion, the present study elucidated that the activity of SMYD2 in NSCLC may affect the cell sensitivity to chemotherapeutic agents, especially to CDDP. The elevated SMYD2 mediated CDDP resistance and malignant phenotype in NSCLC, indicating that SMYD2 may be a useful biomarker of CDDP resistance in NSCLC. Inhibition of SMYD2 contributes to the methylation-related activation of p53 and thus results in cell apoptosis. Furthermore, combination treatment with CDDP and an SMYD2 inhibitor had a synergistically antitumor effects in a xenograft model in vivo. Given that SMYD2 has reversible effects and is a targetable prot...
Source: Frontiers in Oncology - April 25, 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

Abstract 245: Identification of novel immune checkpoints as potential therapeutic targets in pancreatic ductal adenocarcinoma (PDAC) using RNAi screening
CONCLUSION: We set up a robust and systematic method to identify novel immune checkpoints for pancreatic cancer. Further functional validation of our candidate genes will prove their use as therapeutic targets.Citation Format: Antonio Sorrentino, Tillmann Michels, Ayse Nur Menevse, Nisit Khandelwal, Marco Breinig, Isabel Poschke, Rienk Offringa, Michael Boutros, Philipp Beckhove. Identification of novel immune checkpoints as potential therapeutic targets in pancreatic ductal adenocarcinoma (PDAC) using RNAi screening. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2...
Source: Cancer Research - August 2, 2015 Category: Cancer & Oncology Authors: Sorrentino, A., Michels, T., Menevse, A. N., Khandelwal, N., Breinig, M., Poschke, I., Offringa, R., Boutros, M., Beckhove, P. Tags: Immunology Source Type: research

High Expression of DEPDC1 Promotes Malignant Phenotypes of Breast Cancer Cells and Predicts Poor Prognosis in Patients With Breast Cancer
In this study, the immunohistochemistry results demonstrated that DEPDC1 was high-expressed in breast cancer tissues compared with the paired adjacent normal breast tissues, and its tendency at protein level was consistent with mRNA level from TCGA data. Moreover, DEPDC1 mRNA level revealed the strongest association with poor prognosis and development in breast cancer. In vitro assays showed that DEPDC1 overexpression resulted in significant promotion of proliferation by regulating cell cycle in MCF-7 cells, whilst an opposite effect was found in the MDA-MB-231 cells with DEPDC1 deletion. Notably, further investigation ind...
Source: Frontiers in Oncology - April 11, 2019 Category: Cancer & Oncology Source Type: research

Expression of polymeric immunoglobulin receptor and its biological function in endometrial adenocarcinoma
Conclusion: PIgR may be a predictive biomarker of endometrial adenocarcinoma and a potential target protein for immunotherapy of endometrial adenocarcinoma.
Source: Journal of Cancer Research and Therapeutics - March 31, 2019 Category: Cancer & Oncology Authors: Mingshu Zhou Chongdong Liu Guangming Cao Huiqiao Gao Zhenyu Zhang Source Type: research

Myeloid Derived Suppressor Cells Interactions With Natural Killer Cells and Pro-angiogenic Activities: Roles in Tumor Progression
Conclusions MDSC are major players in the immunosuppressive scenario in cancer, thanks to their phenotype heterogeneity and critical interaction with several innate immune cells, thus representing a crucial target in oncology. Here we reviewed the interactions of MDSCs with NK cells. The contribution of key cytokines, chemokines and mediators active in this process have been discussed. We also described the contribution of MDSC on angiogenesis directly or indirectly through interactions with NK and immunosuppressive activities. A parallel of the cancer associated to the decidual counterpart of these cells is discussed, a...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

USP7 targeting modulates anti-tumor immune response by reprogramming Tumor-associated Macrophages in Lung Cancer
Conclusions: Taken together, these results provide evidence to suggest that therapeutic approaches targeting USP7, in combination with immunotherapy, should be considered for lung cancer treatment.
Source: Theranostics - October 3, 2020 Category: Molecular Biology Authors: Xiaomeng Dai, Lisen Lu, Suke Deng, Jingshu Meng, Chao Wan, Jing Huang, Yajie Sun, Yan Hu, Bian Wu, Gang Wu, Jonathan F. Lovell, Honglin Jin, Kunyu Yang Tags: Research Paper Source Type: research

Exosomes derived from immunogenically dying tumor cells as a versatile tool for vaccination against pancreatic cancer
Biomaterials. 2021 Dec 2;280:121306. doi: 10.1016/j.biomaterials.2021.121306. Online ahead of print.ABSTRACTDespite tremendous progress achieved in immunotherapy, many critical challenges in treating pancreatic ductal adenocarcinoma (PDAC) persist. Considering the poor vascularization of PDAC, after intramuscular administration exosomes can targeted deliver "cargos" to pancreatic tumors and bypass obstructions of the intrinsic overexpressed stroma through lymphatics. Herein, we propose a strategy to derive exosomes from immunogenically dying tumor cells and exploit their properties for several purposes, including antigen p...
Source: Biomaterials - December 24, 2021 Category: Materials Science Authors: Wenxi Zhou Xinli Chen Yu Zhou Si Shi Chen Liang Xianjun Yu Hongyi Chen Qin Guo Yiwen Zhang Peixin Liu Chao Li Yongchao Chu Yifan Luo Yu Wang Zheng Zhou Zhenhao Zhao Qinjun Chen Tao Sun Chen Jiang Source Type: research

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