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Depression promotes lung carcinoma progression by regulating the tumor microenvironment in tumor-bearing models of C57BL/6J mice. Neurosci Lett 2021; 754:135851. [PMID: 33781910 DOI: 10.1016/j.neulet.2021.135851] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 03/04/2021] [Accepted: 03/18/2021] [Indexed: 12/27/2022]
Abstract
Psychological stress is a common etiology among patients with lung cancer and serves as a potential indication of poor prognosis and advanced cancer clinical stage. Evidence indicates that depression is positively correlated with the evolvement of lung carcinoma. Nevertheless, the mechanisms underlying the effects of mental disorder on lung cancer have not been considerably and systemically explored. We hypothesized that mental disorder may affect the adjustment of the tumor microenvironment and immune cells. We used the chronic unpredictable mild stress (CUMS) procedure to induce depressed mice models and established tumor-bearing models of C57BL/6 J mice. Results revealed that the worsening of lung cancer was notably hastened in the CUMS + tumor group. Notably, the expression of PD-L1 in tumor issues increased in the tumor microenvironment, accompanied with a decline in the levels of CD8. On the basis of the date of tumor migration, our results indicated that MMPs and VEGF significantly increased after CUMS + tumor treatment. Thus, we demonstrated that modulation of the tumor microenvironment is pivotal for depression-promoted lung cancer migration.
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Shan L, Liu W, Zhan Y. Sulfated polysaccharide of Sepiella maindroni ink targets Akt and overcomes resistance to the FGFR inhibitor AZD4547 in bladder cancer. Aging (Albany NY) 2019; 11:7780-7795. [PMID: 31545294 PMCID: PMC6782013 DOI: 10.18632/aging.102286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 09/09/2019] [Indexed: 02/06/2023]
Abstract
Rapid appearance of resistance to fibroblast growth factor receptor (FGFR) inhibitors hampers targeted regimens in bladder cancer. In the present study, we evaluated whether SIP-SII, a sulphated derivative of the polysaccharide in Sepiella maindroni (spineless cuttlefish) ink used in traditional Chinese medicine, could attenuate resistance to FGFR inhibition in bladder cancer cells. In vitro assays indicated that SIP-SII reduced cell viability and migration, restricted cell cycle progression, and increased apoptosis in parallel with decreased AKT phosphorylation and downregulation of CDK4, MMP2, and Bcl-2 in RT112 and JMSU1 cells. Synergistic effects on cell viability were observed when SIP-SII was combined with the small-molecule FGFR inhibitor AZD4547. Specific Akt targeting by SIP-SII was suggested by the fact that neither Akt knockdown nor the selective PI3K inhibitor BKM120 enhanced the inhibitory effects of SIP-II, while expression of a constitutively active Akt mutant rescued SIP-SII effects. Furthermore, subcutaneous transplantation of RT112 xenografts confirmed the superiority and tolerability of combined SIP-SII and AZD4547 administration over monotherapy regimens. The present study thus provides pre-clinical evidence of the ability of SIP-SII to improve FGFR-targeted therapies for bladder cancer by inhibiting Akt.
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Affiliation(s)
- Liping Shan
- Department of Urology, Shengjing Hospital, China Medical University, Shenyang, Liaoning 110004, China
| | - Wei Liu
- Emergency Department, First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yunhong Zhan
- Department of Urology, Shengjing Hospital, China Medical University, Shenyang, Liaoning 110004, China
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Alirahimi E, Ashkiyan A, Kazemi-Lomedasht F, Azadmanesh K, Hosseininejad-Chafi M, Habibi-Anbouhi M, Moazami R, Behdani M. Intrabody targeting vascular endothelial growth factor receptor-2 mediates downregulation of surface localization. Cancer Gene Ther 2016; 24:33-37. [PMID: 27982020 DOI: 10.1038/cgt.2016.76] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/02/2016] [Accepted: 11/08/2016] [Indexed: 12/22/2022]
Abstract
Angiogenesis is among the most important mechanisms that helps cancer cells to survive, grow and undergo metastasis. Therefore, inhibiting angiogenesis will suppress tumor growth. Vascular endothelial growth factor (VEGF) and its receptor (VEGFR) are believed to be important players of angiogenesis. The goal of this study was to evaluate the success of a novel nanobody against VEGFR2 in tethering its target inside the endoplasmic reticulum and preventing its transport to the cell membrane. Nanobody sequence was cloned in a mammalian vector in fusion with green fluorescent protein and a KDEL retention signal. After transfection of 293KDR cells with this expression vector, surface localization of VEGFR2 was monitored by flow cytometry. This study demonstrates that our intrananobody is effective in targeting VEGFR2 receptor, and therefore, it is a powerful tool to downregulate a surface-exposed target protein, and in this capacity, it has potential to be used as a therapeutic protein to inhibit growth of tumors.
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Affiliation(s)
- E Alirahimi
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
| | - A Ashkiyan
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
| | - F Kazemi-Lomedasht
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
| | - K Azadmanesh
- Virology Department, Pasteur Institute of Iran, Tehran, Iran
| | - M Hosseininejad-Chafi
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
| | | | - R Moazami
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
| | - M Behdani
- Biotechnology Research Center, Venom & Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran
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Li C, Wu X, Zhang W, Li J, Liu H, Hao M, Wang J, Zhang H, Yang G, Hao M, Sheng S, Sun Y, Long J, Hu X, Zhang H, Hu C, Li L, Zheng J. AEG-1 Promotes Metastasis Through Downstream AKR1C2 and NF1 in Liver Cancer. Oncol Res 2016; 22:203-211. [PMID: 26351209 PMCID: PMC7838427 DOI: 10.3727/096504015x14386062091352] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Liver cancer is one of the most lethal cancers, but our knowledge of the molecular mechanism underlying this process remains insufficient. Through deep sequencing and expression regulation analysis in liver cancer cells, we identified two novel factors, AKR1C2 (positive factor) and NF1 (negative factor), as the AEG-1 downstream players in the process of metastasis in liver cancer. They were experimentally validated to have the capacities of regulating cell migration, cell invasion, cell proliferation, and EMT. Further clinic expression and animal model evidence confirmed their functions. Together, our findings provide a new insight into the pharmaceutical and therapeutic use of AEG-1 and downstream AKR1C2 and NF1.
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Affiliation(s)
- Cong Li
- Minimally Intervention Therapy Center of Liver Diseases and Oncology, Beijing You An Hospital, Capital Medical University, Beijing, China
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Fu B, Wang Y, Zhang X, Lang B, Zhou X, Xu X, Zeng T, Liu W, Zhang X, Guo J, Wang G. MiR-221-induced PUMA silencing mediates immune evasion of bladder cancer cells. Int J Oncol 2015; 46:1169-80. [PMID: 25585941 DOI: 10.3892/ijo.2015.2837] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 01/05/2015] [Indexed: 11/06/2022] Open
Abstract
Immune evasion of cancer cells is mainly due to the impaired transduction of apoptotic signals from immune cells to cancer cells, as well as inhibition of subsequent apoptosis signal cascades within the cancer cells. Over the past few decades, the research has focused more on the impaired transduction of the apoptotic signal from immune cells to cancer cells, rather than inhibition of the intracellular signaling pathways. In this study, miR‑221 inhibitor was transfected into bladder cancer cell lines 5637, J82 and T24 to repress the expression of miR‑221. As a result, the repression of miR‑221 on p53 upregulated modulator of apoptosis (PUMA) was abolished, resulting in increased expression of the pro-apoptotic Bax and reduced expression of the anti-apoptotic Bcl-2, which promotes apoptosis of bladder cancer cells. The expression of MMP-2, MMP-9 and VEGF-C were reduced, resulting in reduced invasiveness and infiltration capability of bladder cancer cells, thereby inhibiting the immune evasion of bladder cancer cells.
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Affiliation(s)
- Bin Fu
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
| | - Yibing Wang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
| | - Xiali Zhang
- Department of Laboratory Animal Science, Nanchang University, Nanchang 330006, P.R. China
| | - Bin Lang
- School of Health Sciences, Macao Polytechnic Institute, Macao 999078, P.R. China
| | - Xiaocheng Zhou
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
| | - Xiaoyuan Xu
- Key Laboratory of System Bio-medicine of Jiangxi Province, Medical College of Jiujiang University, Jiangxi, Jiujiang 332000, P.R. China
| | - Tao Zeng
- Jiangxi Provincil People's Hospital, Nanchang 330006, P.R. China
| | - Weipeng Liu
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
| | - Xu Zhang
- Department of Urology, Chinese PLA General Hospital, Beijing 100039, P.R. China
| | - Ju Guo
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
| | - Gongxian Wang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, P.R. China
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