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Wang W, Huang S, Li S, Li X, Ling Y, Wang X, Zhang S, Zhou D, Yin W. Rosa sterilis Juice Alleviated Breast Cancer by Triggering the Mitochondrial Apoptosis Pathway and Suppressing the Jak2/Stat3 Pathway. Nutrients 2024; 16:2784. [PMID: 39203920 PMCID: PMC11357216 DOI: 10.3390/nu16162784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Revised: 08/16/2024] [Accepted: 08/19/2024] [Indexed: 09/03/2024] Open
Abstract
Rosa sterilis (RS) is a characteristic fruit in southwestern China that has numerous health benefits; however, its pharmacological effect needs further clarification, especially with respect to the exploration of its potential anti-breast-cancer effect, as there are still knowledge gaps in this regard. This study was designed to investigate the protective effects of Rosa sterilis juice (RSJ) on breast cancer (BC) through in vitro cellular experiments and by establishing mouse 4T1 breast xenograft tumors. This study also had the aim of elucidating RSJ's underlying mechanisms. RSJ can inhibit cell proliferation, affect cell morphology, and impact the clone formation ability of BC; furthermore, it can promote apoptosis by triggering the mitochondrial apoptosis pathway. In mouse 4T1 breast xenograft tumors, RSJ markedly inhibited tumor growth, relieved the pathological lesions, lowered the expression of Ki67, and regulated the expression of the apoptosis-associated protein. Moreover, we observed that RSJ can inhibit the Jak2/Stat3 signaling pathway both in vivo and in vitro. Overall, our research reveals that RSJ can alleviate BC by triggering the mitochondrial apoptosis pathway and suppressing the Jak2/Stat3 pathway, providing new dietary intervention strategies for BC.
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Affiliation(s)
| | | | | | | | | | | | | | - Dingzi Zhou
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 17# 3rd Section, Ren Min South Road, Chengdu 610041, China; (W.W.); (S.H.); (S.L.); (X.L.); (Y.L.); (X.W.); (S.Z.)
| | - Wenya Yin
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 17# 3rd Section, Ren Min South Road, Chengdu 610041, China; (W.W.); (S.H.); (S.L.); (X.L.); (Y.L.); (X.W.); (S.Z.)
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2
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Li X, Zheng Y, Yu K, Hou S, Cui H, Yin R, Zhou Y, Sun Q, Zhang J, Huang C. Stomatin-like protein 2 promotes cell proliferation and survival under 5-Fluorouracil stress in hepatocellular carcinoma. Mol Biol Rep 2024; 51:228. [PMID: 38281294 DOI: 10.1007/s11033-023-09104-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 12/05/2023] [Indexed: 01/30/2024]
Abstract
BACKGROUND The crucial role of STOML2 in tumor progression has been documented recently in various cancers. Previous studies have shown that STOML2 promoted cancer cell proliferation, but the underlying mechanism is not fully illustrated. METHODS AND RESULTS The expression and clinical relevance of STOML2 in pan-cancer was analyzed by TIMER2 web platform in pan-cancer. The prognostic significance of STOML2 in HCC was evaluated utilizing KM curve and a nomogram model. Signaling pathways associated with STOML2 expression were discovered by GSEA. CCK-8 assay was performed to evaluate the proliferative capacity of HCC cells after manipulating STOML2 expression. Flow cytometry was utilized to analyze cell cycle progression. Results indicated that increased STOML2 expression in HCC linked to unfavorable clinical outcomes. Cell cycle and cell division related terms were enriched under conditions of elevated STOML2 expression via GSEA analysis. A notable decrease in cell proliferation was observed in MHCC97H with STOML2 knocked-down, accompanied by G1-phase arrest, up-regulation of p21, down-regulation of CyclinD1 and its regulatory factor MYC, while STOML2 overexpression in Huh7 showed the opposite results. These results indicated that STOML2 was responsible for HCC proliferation by regulating the expression level of MYC/cyclin D1 and p21. Furthermore, an inverse correlation was found between STOML2 expression and 5-FU sensitivity. CONCLUSIONS STOML2 promotes cell cycle progression in HCC which is associated with activation of MYC/CyclinD1/p21 pathway, and modulates the response of HCC to 5-FU.
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Affiliation(s)
- Xiaoqi Li
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China
| | - Yahui Zheng
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China
| | - Kangkang Yu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China
| | - Sen Hou
- Department of General Surgery, Xuchang Central Hospital, 30 Huatuo Road, Xuchang, 461001, Henan, China
| | - Huxiao Cui
- Department of General Surgery, Xuchang Central Hospital, 30 Huatuo Road, Xuchang, 461001, Henan, China
| | - Ruiqi Yin
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China
| | - Yu Zhou
- Department of Infectious Disease, the Third Affiliated Hospital of Wenzhou Medical University, 108 Wansong Road, Ruian, 325207, Zhejiang, China.
| | - Qingfeng Sun
- Department of Infectious Disease, the Third Affiliated Hospital of Wenzhou Medical University, 108 Wansong Road, Ruian, 325207, Zhejiang, China.
| | - Jubo Zhang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China.
| | - Chong Huang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai, 200040, China.
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3
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Kiruthiga C, Niharika K, Devi KP. Phytol and α-Bisabolol Synergy Induces Autophagy and Apoptosis in A549 Cells and Additional Molecular Insights through Comprehensive Proteome Analysis via Nano LC-MS/MS. Anticancer Agents Med Chem 2024; 24:773-788. [PMID: 38415491 DOI: 10.2174/0118715206289038240214102951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Non-Small Cell Lung Cancer (NSCLC) is a malignancy with a significant prevalence and aggressive nature, posing a considerable challenge in terms of therapeutic interventions. Autophagy and apoptosis, two intricate cellular processes, are integral to NSCLC pathophysiology, each affecting the other through shared signaling pathways. Phytol (Phy) and α-bisabolol (Bis) have shown promise as potential anticancer agents individually, but their combined effects in NSCLC have not been extensively investigated. OBJECTIVE The present study was to examine the synergistic impact of Phy and Bis on NSCLC cells, particularly in the context of autophagy modulation, and to elucidate the resulting differential protein expression using LCMS/ MS analysis. METHODS The A549 cell lines were subjected to the patented effective concentration of Phy and Bis, and subsequently, the viability of the cells was evaluated utilizing the MTT assay. The present study utilized real-time PCR analysis to assess the expression levels of crucial apoptotic genes, specifically Bcl-2, Bax, and Caspase-9, as well as autophagy-related genes, including Beclin-1, SQSTM1, Ulk1, and LC3B. The confirmation of autophagy marker expression (Beclin-1, LC3B) and the autophagy-regulating protein SQSTM1 was achieved through the utilization of Western blot analysis. Differentially expressed proteins were found using LC-MS/MS analysis. RESULTS The combination of Phy and Bis demonstrated significant inhibition of NSCLC cell growth, indicating their synergistic effect. Real-time PCR analysis revealed a shift towards apoptosis, with downregulation of Bcl-2 and upregulation of Bax and Caspase-9, suggesting a shift towards apoptosis. Genes associated with autophagy regulation, including Beclin-1, SQSTM1 (p62), Ulk1, and LC3B, showed significant upregulation, indicating potential induction of autophagy. Western blot analysis confirmed increased expression of autophagy markers, such as Beclin-1 and LC3B, while the autophagy-regulating protein SQSTM1 exhibited a significant decrease. LC-MS/MS analysis revealed differential expression of 861 proteins, reflecting the modulation of cellular processes. Protein-protein interaction network analysis highlighted key proteins involved in apoptotic and autophagic pathways, including STOML2, YWHAB, POX2, B2M, CDA, CAPN2, TXN, ECHS1, PEBP1, PFN1, CDC42, TUBB1, HSPB1, PXN, FGF2, and BAG3, emphasizing their crucial roles. Additionally, PANTHER pathway analysis uncovered enriched pathways associated with the differentially expressed proteins, revealing their involvement in a diverse range of biological processes, encompassing cell signaling, metabolism, and cellular stress responses. CONCLUSION The combined treatment of Phy and Bis exerts a synergistic inhibitory effect on NSCLC cell growth, mediated through the interplay of apoptosis and autophagy. The differential protein expression observed, along with the identified proteins and enriched pathways, provides valuable insights into the underlying molecular mechanisms. These findings offer a foundation for further exploration of the therapeutic potential of Phy and Bis in the management of NSCLC.
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Affiliation(s)
| | - Kambati Niharika
- Department of Biotechnology, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - Kasi Pandima Devi
- Department of Biotechnology, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
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4
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Buchanan E, Mahony C, Bam S, Jaffer M, Macleod S, Mangali A, van der Watt M, de Wet S, Theart R, Jacobs C, Loos B, O'Ryan C. Propionic acid induces alterations in mitochondrial morphology and dynamics in SH-SY5Y cells. Sci Rep 2023; 13:13248. [PMID: 37582965 PMCID: PMC10427685 DOI: 10.1038/s41598-023-40130-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 08/04/2023] [Indexed: 08/17/2023] Open
Abstract
Propionic acid (PPA) is used to study the role of mitochondrial dysfunction in neurodevelopmental conditions like autism spectrum disorders. PPA is known to disrupt mitochondrial biogenesis, metabolism, and turnover. However, the effect of PPA on mitochondrial dynamics, fission, and fusion remains challenging to study due to the complex temporal nature of these mechanisms. Here, we use complementary quantitative visualization techniques to examine how PPA influences mitochondrial ultrastructure, morphology, and dynamics in neuronal-like SH-SY5Y cells. PPA (5 mM) induced a significant decrease in mitochondrial area (p < 0.01), Feret's diameter and perimeter (p < 0.05), and in area2 (p < 0.01). Mitochondrial event localiser analysis demonstrated a significant increase in fission and fusion events (p < 0.05) that preserved mitochondrial network integrity under stress. Moreover, mRNA expression of cMYC (p < 0.0001), NRF1 (p < 0.01), TFAM (p < 0.05), STOML2 (p < 0.0001), and OPA1 (p < 0.01) was significantly decreased. This illustrates a remodeling of mitochondrial morphology, biogenesis, and dynamics to preserve function under stress. Our data provide new insights into the influence of PPA on mitochondrial dynamics and highlight the utility of visualization techniques to study the complex regulatory mechanisms involved in the mitochondrial stress response.
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Affiliation(s)
- Erin Buchanan
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa
| | - Caitlyn Mahony
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa
| | - Sophia Bam
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa
| | - Mohamed Jaffer
- Electron Microscope Unit, University of Cape Town, Cape Town, 7700, South Africa
| | - Sarah Macleod
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa
| | - Asandile Mangali
- Department of Physiological Sciences, Stellenbosch University, Matieland, Stellenbosch, 7602, South Africa
| | - Mignon van der Watt
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa
| | - Sholto de Wet
- Department of Physiological Sciences, Stellenbosch University, Matieland, Stellenbosch, 7602, South Africa
| | - Rensu Theart
- Department of Electrical and Electronic Engineering, Stellenbosch University, Matieland, Stellenbosch, 7602, South Africa
| | - Caron Jacobs
- Department of Pathology, Wellcome Centre for Infectious Diseases Research in Africa and IDM Microscopy Platform, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, 7700, South Africa
| | - Ben Loos
- Department of Physiological Sciences, Stellenbosch University, Matieland, Stellenbosch, 7602, South Africa
| | - Colleen O'Ryan
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, 7700, South Africa.
- Neuroscience Institute, University of Cape Town, Cape Town, 7700, South Africa.
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5
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Wu S, Zhao L, Li Q. Stomatin-like protein-2 contributes the migration and invasion of breast cancer cells via regulating ERK/FOXO3a signaling pathway. CHINESE J PHYSIOL 2023; 66:257-265. [PMID: 37635485 DOI: 10.4103/cjop.cjop-d-22-00117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
Breast cancer (BC) is the most common tumor in women, and its incidence is increasing, ranking first among female malignant tumors. It is urgently needed to find new and reliable biomarkers of BC and to understand the cellular changes that cause metastasis. Stomatin-like protein-2 (SLP-2) is a member of the stomatin protein superfamily. Studies have shown that SLP-2 was highly expressed in some tumors and played an important role in tumor genesis and development. SLP-2 regulated the extracellular signal-regulated kinase (ERK) pathway, and activation of ERK phosphorylated FOXO3a, which was involved in BC progression. However, its possible role in the progression of BC remains unclear. In this study, we found the high expression of SLP-2 in BC tissues and cells. SLP-2 promoted the viability of BC cells. In addition, we found that SLP-2 stimulated the motility of BC cells in vitro. Mechanically, our results revealed that SLP-2 could mediate FOXO3a expression and ERK signaling pathway, thereby contributing to the viability and motility of BC cells. Therefore, SLP-2 has the potential to serve as a promising target for BC treatment.
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Affiliation(s)
- Shengming Wu
- Department of Breast Surgery, Nanjing Liuhe District Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, China
| | - Lingang Zhao
- Department of Pharmacy, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qian Li
- Key Laboratory of Particle and Radiation Imaging, Ministry of Education, Department of Engineering Physics, Tsinghua University, Beijing, China
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6
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Hostallero DE, Wei L, Wang L, Cairns J, Emad A. Preclinical-to-clinical Anti-cancer Drug Response Prediction and Biomarker Identification Using TINDL. GENOMICS, PROTEOMICS & BIOINFORMATICS 2023; 21:535-550. [PMID: 36775056 PMCID: PMC10787192 DOI: 10.1016/j.gpb.2023.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/28/2022] [Accepted: 01/31/2023] [Indexed: 02/12/2023]
Abstract
Prediction of the response of cancer patients to different treatments and identification of biomarkers of drug response are two major goals of individualized medicine. Here, we developed a deep learning framework called TINDL, completely trained on preclinical cancer cell lines (CCLs), to predict the response of cancer patients to different treatments. TINDL utilizes a tissue-informed normalization to account for the tissue type and cancer type of the tumors and to reduce the statistical discrepancies between CCLs and patient tumors. Moreover, by making the deep learning black box interpretable, this model identifies a small set of genes whose expression levels are predictive of drug response in the trained model, enabling identification of biomarkers of drug response. Using data from two large databases of CCLs and cancer tumors, we showed that this model can distinguish between sensitive and resistant tumors for 10 (out of 14) drugs, outperforming various other machine learning models. In addition, our small interfering RNA (siRNA) knockdown experiments on 10 genes identified by this model for one of the drugs (tamoxifen) confirmed that tamoxifen sensitivity is substantially influenced by all of these genes in MCF7 cells, and seven of these genes in T47D cells. Furthermore, genes implicated for multiple drugs pointed to shared mechanism of action among drugs and suggested several important signaling pathways. In summary, this study provides a powerful deep learning framework for prediction of drug response and identification of biomarkers of drug response in cancer. The code can be accessed at https://github.com/ddhostallero/tindl.
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Affiliation(s)
- David Earl Hostallero
- Department of Electrical and Computer Engineering, McGill University, Montreal, QC H3A, Canada; Mila - Quebec Artificial Intelligence Institute, Montreal, QC H2S, Canada
| | - Lixuan Wei
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA
| | - Liewei Wang
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA
| | - Junmei Cairns
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
| | - Amin Emad
- Department of Electrical and Computer Engineering, McGill University, Montreal, QC H3A, Canada; Mila - Quebec Artificial Intelligence Institute, Montreal, QC H2S, Canada; The Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC H3A, Canada.
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7
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Glucose-regulated protein 78 modulates cell growth, epithelial-mesenchymal transition, and oxidative stress in the hyperplastic prostate. Cell Death Dis 2022; 13:78. [PMID: 35075122 PMCID: PMC8786955 DOI: 10.1038/s41419-022-04522-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 12/14/2021] [Accepted: 01/11/2022] [Indexed: 01/11/2023]
Abstract
Benign prostatic hyperplasia (BPH) is a chronic condition which mainly affects elderly males. Existing scientific evidences have not completely revealed the pathogenesis of BPH. Glucose-regulated protein 78 (GRP78) is a member of the heat shock protein 70 superfamily, which serves as an important regulator in many diseases. This study aims at elucidating the role of GRP78 in the BPH process. Human prostate tissues, cultured human prostate cell lines (BPH-1 and WPMY-1) and clinical data from BPH patients were utilized. The expression and localization of GRP78 were determined with quantitative real time PCR (qRT-PCR), Western blotting and immunofluorescence staining. GRP78 knockdown and overexpression cell models were created with GRP78 siRNA and GRP78 plasmid transfection. With these models, cell viability, apoptosis rate, as well as marker levels for epithelial-mesenchymal transition (EMT) and oxidative stress (OS) were detected by CCK8 assay, flow cytometry analysis and Western blotting respectively. AKT/mTOR and MAPK/ERK pathways were also evaluated. Results showed GRP78 was localized in the epithelium and stroma of the prostate, with higher expression in BPH tissues. There was no significant difference in GRP78 expression between BPH-1 and WPMY-1 cell lines. In addition, GRP78 knockdown (KD) slowed cell growth and induced apoptosis, without effects on the cell cycle stage of both cell lines. Lack of GRP78 affected expression levels of markers for EMT and OS. Consistently, overexpression of GRP78 completely reversed all effects of knocking down GRP78. We further found that GRP78 modulated cell growth and OS via AKT/mTOR signaling, rather than the MAPK/ERK pathway. Overall, our novel data demonstrates that GRP78 plays a significant role in the development of BPH and suggests that GRP78 might be rediscovered as a new target for treatment of BPH.
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8
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Situ YL, Xiao SX, Li SJ, Fang WX, Chen J, Li HJ. Exploring the mechanism of Tripterygium wilfordii against cancer using network pharmacology and molecular docking. WORLD JOURNAL OF TRADITIONAL CHINESE MEDICINE 2022. [DOI: 10.4103/2311-8571.344544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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9
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Ma W, Chen Y, Xiong W, Li W, Xu Z, Wang Y, Wei Z, Mou T, Wu Z, Cheng M, Zou Y, Zhu Y, Zhou W, Liu F, Geng Y. STOML2 interacts with PHB through activating MAPK signaling pathway to promote colorectal Cancer proliferation. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:359. [PMID: 34781982 PMCID: PMC8591804 DOI: 10.1186/s13046-021-02116-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 09/24/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Highly expressed STOML2 has been reported in a variety of cancers, yet few have detailed its function and regulatory mechanism. This research aims to reveal regulatory mechanism of STOML2 and to provide evidence for clinical therapeutics, via exploration of its role in colorectal cancer, and identification of its interacting protein. METHODS Expression level of STOML2 in normal colon and CRC tissue from biobank in Nanfang Hospital was detected by pathologic methods. The malignant proliferation of CRC induced by STOML2 was validated via gain-of-function and loss-of-function experiments, with novel techniques applied, such as organoid culture, orthotopic model and endoscopy monitoring. Yeast two-hybrid assay screened interacting proteins of STOML2, followed by bioinformatics analysis to predict biological function and signaling pathway of candidate proteins. Target protein with most functional similarity to STOML2 was validated with co-immunoprecipitation, and immunofluorescence were conducted to co-localize STOML2 and PHB. Pathway regulated by STOML2 was detected with immunoblotting, and subsequent experimental therapy was conducted with RAF inhibitor Sorafenib. RESULTS STOML2 was significantly overexpressed in colorectal cancer and its elevation was associated with unfavorable prognosis. Knockdown of STOML2 suppressed proliferation of colorectal cancer, thus attenuated subcutaneous and orthotopic tumor growth, while overexpressed STOML2 promoted proliferation in cell lines and organoids. A list of 13 interacting proteins was screened out by yeast two-hybrid assay. DTYMK and PHB were identified to be most similar to STOML2 according to bioinformatics in terms of biological process and signaling pathways; however, co-immunoprecipitation confirmed interaction between STOML2 and PHB, rather than DTYMK, despite its highest rank in previous analysis. Co-localization between STOML2 and PHB was confirmed in cell lines and tissue level. Furthermore, knockdown of STOML2 downregulated phosphorylation of RAF1, MEK1/2, and ERK1/2 on the MAPK signaling pathway, indicating common pathway activated by STOML2 and PHB in colorectal cancer proliferation. CONCLUSIONS This study demonstrated that in colorectal cancer, STOML2 expression is elevated and interacts with PHB through activating MAPK signaling pathway, to promote proliferation both in vitro and in vivo. In addition, combination of screening assay and bioinformatics marks great significance in methodology to explore regulatory mechanism of protein of interest.
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Affiliation(s)
- Wenhui Ma
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), No. 1 Jiazi Road, Lunjiao, Shunde District, Foshan City, 528308, Guangdong Province, China.,Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China.,Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Yuehong Chen
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), No. 1 Jiazi Road, Lunjiao, Shunde District, Foshan City, 528308, Guangdong Province, China.,Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China.,Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Wenjun Xiong
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China.,Department of Gastrointestinal Surgery, Guangdong Provincial Hospital of Chinese Medicine, the Second Affiliated Hospital of Guangzhou University of Chinese, Guangzhou, Guangdong, China
| | - Wenyi Li
- Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Zhuoluo Xu
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China.,Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Ying Wang
- Departments of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhigang Wei
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China
| | - Tingyu Mou
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China
| | - Zhaokun Wu
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China.,Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Mingzhen Cheng
- Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Yini Zou
- Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China
| | - Yu Zhu
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China
| | - Weijie Zhou
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), No. 1 Jiazi Road, Lunjiao, Shunde District, Foshan City, 528308, Guangdong Province, China. .,Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China. .,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China. .,Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China. .,Guangdong Provincial Key Laboratory of Molecular Tumor Pathology, Guangzhou, Guangdong, China.
| | - Feng Liu
- Departments of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China. .,Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Guangzhou, China. .,Department of Colorectal and Anal Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, Guangdong, China.
| | - Yan Geng
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), No. 1 Jiazi Road, Lunjiao, Shunde District, Foshan City, 528308, Guangdong Province, China.
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10
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Maremanda KP, Sundar IK, Rahman I. Role of inner mitochondrial protein OPA1 in mitochondrial dysfunction by tobacco smoking and in the pathogenesis of COPD. Redox Biol 2021; 45:102055. [PMID: 34214709 PMCID: PMC8258692 DOI: 10.1016/j.redox.2021.102055] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/19/2021] [Accepted: 06/20/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Chronic lung diseases, such as chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF) are linked to several mitochondrial alterations. Cigarette smoke (CS) alters the structure and function of mitochondria. OPA1 is the main inner mitochondrial GTPase responsible for the fusion events. OPA1 undergoes proteolytic cleavage from long to short forms during acute stress and mitophagy. However, the exact role of OPA1 isoforms and related proteins during CS-induced mitophagy and COPD is not clear. METHODS Lung tissues from non-smokers, smokers, COPD and IPF were used to determine the relative expression of OPA1 and related proteins. Additionally, we used mouse lungs from chronic (6 months) CS exposure to evaluate the status of OPA1. Primary lung fibroblasts from normal and COPD patients and naked mole rat (NMR) lung fibroblasts, human fetal lung fibroblast (HFL1), mouse embryonic fibroblast from wild type (WT), OPA1-/-, MFN1 and MFN2-/- were used to determine the effect of CS on OPA1 isoforms. Various mitochondrial fusion promoters/activators (BGP-15, leflunomide, M1) and fission inhibitor (DRP1) were used to determine their effect on OPA1 status and cigarette smoke extract (CSE)-induced lung epithelial (BEAS2B) cell damage, respectively. Seahorse flux analyzer was used to determine the effect of these compounds in BEAS2B cells with and without CSE exposure. FINDINGS Short OPA1 isoforms were predominantly detected and significantly increased in COPD subjects. Acute CSE treatment in various cell lines except NMR was found to increase the conversion of long to short OPA1 isoforms. CSE treatment significantly increased mitochondrial stress-related protein SLP2 in all the cells used. OPA1 interacting partners like prohibitins (PHB1 and 2) were also altered depending on the CS exposure. Finally, BGP-15 and leflunomide treatment were able to preserve the long OPA1 isoform in cells treated with CSE. INTERPRETATION/CONCLUSION The long OPA1 isoform along with SLP2 and prohibitins play a crucial role in CS-induced lung damage, causing mitophagy/mitochondrial dysfunction in COPD, which may be used as a novel therapeutic target in COPD.
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Affiliation(s)
| | - Isaac Kirubakaran Sundar
- Division of Pulmonary Critical Care and Sleep Medicine, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, KS, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA.
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11
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Fan H, Ou Q, Su Q, Li G, Deng Z, Huang X, Bi J. ZIPK activates the IL-6/STAT3 signaling pathway and promotes cisplatin resistance in gastric cancer cells. FEBS Open Bio 2021; 11:2655-2667. [PMID: 34375503 PMCID: PMC8409285 DOI: 10.1002/2211-5463.13270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/06/2021] [Accepted: 08/09/2021] [Indexed: 11/24/2022] Open
Abstract
Gastric cancer is one of the most common malignant cancers globally. Chemotherapy resistance remains a major obstacle in the treatment of gastric cancer, and the molecular mechanisms underlying drug resistance are still not well understood. We previously reported that Zipper interacting protein kinase (ZIPK), also known as death‐associated protein kinase3, exerts an oncogenic effect on gastric cancer via activation of Akt/NF‐κB signaling and promotion of stemness. Here, we explored the roles of ZIPK in cisplatin resistance. We report that ZIPK enhances cell proliferation and invasion and reduces the antitumor activity of cisplatin in gastric cancer. In addition, our western blot data suggest that ZIPK activated the IL‐6/STAT3 signaling pathway. Furthermore, ZIPK increased the expression of IL‐6 and multidrug‐resistance genes. Using the STAT3 inhibitor stattic to block the IL‐6/STAT3 signaling pathway strongly increased the sensitivity of ZIPK‐expressed cells to cisplatin. In conclusion, ZIPK may play a role in cisplatin resistance through activation of the IL‐6/ STAT3 signaling pathway. Inhibition of STAT3 in gastric cancer overexpressing ZIPK might have potential to improve the efficacy of cisplatin.
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Affiliation(s)
- Haonan Fan
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qifeng Ou
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiao Su
- Laboratory Animal Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guanman Li
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,School of Medicine (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Zhijuan Deng
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Ultrasound Medical Center, the First people's Hospital of Chenzhou, Chenzhou, China
| | - Xiaohui Huang
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiong Bi
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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12
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Liu L, Wang M, Li X, Yin S, Wang B. An Overview of Novel Agents for Cervical Cancer Treatment by Inducing Apoptosis: Emerging Drugs Ongoing Clinical Trials and Preclinical Studies. Front Med (Lausanne) 2021; 8:682366. [PMID: 34395473 PMCID: PMC8355560 DOI: 10.3389/fmed.2021.682366] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/24/2021] [Indexed: 01/16/2023] Open
Abstract
As the leading cause of cancer death, cervical cancer ranks fourth for both incidence and mortality. Cervical cancer incidence and mortality rates have reportedly decreased over the last decades thanks to extensive screening and widespread vaccination against human papilloma virus. However, there have been no major improvements concerning platinum-based chemotherapy on the survival of advanced cervical cancer. Thus, novel agents are urgently needed for the improvement of therapeutic effect. With the development of molecular biology and genomics, targeted therapy research has achieved a breakthrough development, including anti-angiogenesis, immune checkpoint inhibitors, and other treatments that are efficient for treatment of cervical cancer. Apoptosis is a crucial process for tumor progression. Drugs directed at inducing tumor-cell apoptosis are regarded as important treatment modalities. Besides, a number of novel compounds synthesized or derived from plants or microorganisms exhibited prominent anti-cancer activity by changing the apoptotic balance in cervical cancer. In this review, we summarized new target therapy drugs ongoing clinical trials that are used for treatment of cervical cancer. Further, we classified novel agents with a focus on improvement of therapeutic effect pre-clinically. To summarize, we also discussed application prospects of the new uses of old drugs and drug combinations, to provide researchers with new ideas for cervical cancer treatment.
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Affiliation(s)
- Lei Liu
- Department of Laboratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Min Wang
- Department of Laboratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Xianping Li
- Department of Laboratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Sheng Yin
- Department of Laboratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Bingqi Wang
- Department of Laboratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
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13
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NELL2 modulates cell proliferation and apoptosis via ERK pathway in the development of benign prostatic hyperplasia. Clin Sci (Lond) 2021; 135:1591-1608. [PMID: 34195782 DOI: 10.1042/cs20210476] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/16/2021] [Accepted: 06/28/2021] [Indexed: 01/01/2023]
Abstract
Benign prostatic hyperplasia (BPH) is a quite common illness but its etiology and mechanism remain unclear. Neural epidermal growth factor-like like 2 (NELL2) plays multifunctional roles in neural cell growth and is strongly linked to the urinary tract disease. Current study aims to determine the expression, functional activities and underlying mechanism of NELL2 in BPH. Human prostate cell lines and tissues from normal human and BPH patients were utilized. Immunohistochemical staining, immunofluorescent staining, RT-polymerase chain reaction (PCR) and Western blotting were performed. We further generated cell models with NELL2 silenced or overexpressed. Subsequently, proliferation, cycle, and apoptosis of prostate cells were determined by cell counting kit-8 (CCK-8) assay and flow cytometry analysis. The epithelial-mesenchymal transition (EMT) and fibrosis process were also analyzed. Our study revealed that NELL2 was up-regulated in BPH samples and localized in the stroma and the epithelium compartments of human prostate tissues. NELL2 deficiency induced a mitochondria-dependent cell apoptosis, and inhibited cell proliferation via phosphorylating extracellular signal-regulated kinase 1/2 (ERK1/2) activation. Additionally, suppression of ERK1/2 with U0126 incubation could significantly reverse NELL2 deficiency triggered cell apoptosis. Consistently, overexpression of NELL2 promoted cell proliferation and inhibited cell apoptosis. However, NELL2 interference was observed no effect on EMT and fibrosis process. Our novel data demonstrated that up-regulation of NELL2 in the enlarged prostate could contribute to the development of BPH through enhancing cell proliferation and inhibited a mitochondria-dependent cell apoptosis via the ERK pathway. The NELL2-ERK system might represent an important target to facilitate the development of future therapeutic approaches in BPH.
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14
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Panici B, Nakajima H, Carlston CM, Ozadam H, Cenik C, Cenik ES. Loss of coordinated expression between ribosomal and mitochondrial genes revealed by comprehensive characterization of a large family with a rare Mendelian disorder. Genomics 2021; 113:1895-1905. [PMID: 33862179 PMCID: PMC8266734 DOI: 10.1016/j.ygeno.2021.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/30/2021] [Accepted: 04/11/2021] [Indexed: 10/21/2022]
Abstract
Non-canonical intronic variants are a poorly characterized yet highly prevalent class of alterations associated with Mendelian disorders. Here, we report the first RNA expression and splicing analysis from a family whose members carry a non-canonical splice variant in an intron of RPL11 (c.396 +3A>G). This mutation is causative for Diamond Blackfan Anemia (DBA) in this family despite incomplete penetrance and variable expressivity. Our analyses revealed a complex pattern of disruptions with many novel junctions of RPL11. These include an RPL11 transcript that is translated with a late stop codon in the 3' untranslated region (3'UTR) of the main isoform. We observed that RPL11 transcript abundance is comparable among carriers regardless of symptom severity. Interestingly, both the small and large ribosomal subunit transcripts were significantly overexpressed in individuals with a history of anemia in addition to congenital abnormalities. Finally, we discovered that coordinated expression between mitochondrial components and RPL11 was lost in all carriers, which may lead to variable expressivity. Overall, this study highlights the importance of RNA splicing and expression analyses in families for molecular characterization of Mendelian diseases.
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Affiliation(s)
- Brendan Panici
- Department of Molecular Biosciences, University of Texas at Austin, Austin, USA.
| | - Hosei Nakajima
- Department of Molecular Biosciences, University of Texas at Austin, Austin, USA
| | | | - Hakan Ozadam
- Department of Molecular Biosciences, University of Texas at Austin, Austin, USA.
| | - Can Cenik
- Department of Molecular Biosciences, University of Texas at Austin, Austin, USA.
| | - Elif Sarinay Cenik
- Department of Molecular Biosciences, University of Texas at Austin, Austin, USA.
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15
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Liu J, Yin J, Chen P, Liu D, He W, Li Y, Li M, Fu X, Zeng G, Guo Y, Wang X, DiSanto ME, Zhang X. Smoothened inhibition leads to decreased cell proliferation and suppressed tissue fibrosis in the development of benign prostatic hyperplasia. Cell Death Discov 2021; 7:115. [PMID: 34006832 PMCID: PMC8131753 DOI: 10.1038/s41420-021-00501-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/10/2021] [Accepted: 04/28/2021] [Indexed: 02/08/2023] Open
Abstract
Benign prostatic hyperplasia (BPH) is a common disease in aging males. It has been proven that the Hedgehog (HH) is implied as an effective and fundamental regulatory growth factor signal for organogenesis, homeostasis, and regeneration. Smoothened (SMO), as the major control point of HH signals, activates aberrantly in most human solid tumors. However, the specific function of SMO and its downstream glioma-associated oncogene (GLI) family in BPH has not been well understood. Here, we first revealed that the SMO cascade was upregulated in BPH tissues and was localized in both the stromal and the epithelium compartments of human prostate tissues. Cyclopamine, as a specific SMO inhibitor, was incubated with BPH-1 and WPMY-1, and intraperitoneally injected into a BPH rat model established by castration with testosterone supplementation. SMO inhibition could induce cell apoptosis, cell cycle arrest at the G0/G1 phase, and a reduction of tissue fibrosis markers, both in vitro and in vivo. Finally, a tissue microarray, containing 104 BPH specimens, was constructed to analyze the correlations between the expression of SMO cascade and clinical parameters. The GLI2 was correlated positively with nocturia and negatively with fPSA. The GLI3 was in a positive relationship with International Prostate Symptom Score and nocturia. In conclusion, our study suggested that SMO cascade could play important roles in the development of BPH and it might be rediscovered as a promising therapeutic target for BPH.
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Affiliation(s)
- Jianmin Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jing Yin
- Department of Rehabilitation, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ping Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Daoquan Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Weixiang He
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Mingzhou Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xun Fu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Guang Zeng
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yuming Guo
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xinghuan Wang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Michael E DiSanto
- Department of Surgery and Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Xinhua Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China.
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16
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Chao D, Ariake K, Sato S, Ohtsuka H, Takadate T, Ishida M, Masuda K, Maeda S, Miura T, Mitachi K, Yu XJ, Fujishima F, Mizuma M, Nakagawa K, Morikawa T, Kamei T, Unno M. Stomatin‑like protein 2 induces metastasis by regulating the expression of a rate‑limiting enzyme of the hexosamine biosynthetic pathway in pancreatic cancer. Oncol Rep 2021; 45:90. [PMID: 33846782 PMCID: PMC8042670 DOI: 10.3892/or.2021.8041] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 01/08/2021] [Indexed: 01/05/2023] Open
Abstract
Stomatin-like protein 2 (SLP-2) is associated with poor prognosis in several types of cancer, including pancreatic cancer (PC); however, the molecular mechanism of its involvement remains elusive. The present study aimed to elucidate the role of this protein in the development of PC. Human PC cell lines AsPC-1 and PANC-1 were transfected by a vector expressing SLP-2 shRNA. Analyses of cell proliferation, migration, invasion, chemosensitivity, and glucose uptake were conducted, while a mouse xenograft model was used to evaluate the functional role of SLP-2 in PC. Immunohistochemical analysis was retrospectively performed on human tissue samples to compare expression between the primary site (n=279) and the liver metastatic site (n=22). Furthermore, microarray analysis was conducted to identify the genes correlated with SLP-2. In vitro analysis demonstrated that cells in which SLP-2 was suppressed exhibited reduced cell motility and glucose uptake, while in vivo analysis revealed a marked decrease in the number of liver metastases. Immunohistochemistry revealed that SLP-2 was increased in liver metastatic sites. Microarray analysis indicated that this protein regulated the expression of glutamine-fructose-6-phosphate transaminase 2 (GFPT2), a rate-limiting enzyme of the hexosamine biosynthesis pathway. SLP-2 contributed to the malignant character of PC by inducing liver metastasis. Cell motility and glucose uptake may be induced via the hexosamine biosynthesis pathway through the expression of GFPT2. The present study revealed a new mechanism of liver metastasis and indicated that SLP-2 and its downstream pathway could provide novel therapeutic targets for PC.
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Affiliation(s)
- Dang Chao
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Kyohei Ariake
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Satoko Sato
- Department of Pathology, Tohoku University Hospital, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Hideo Ohtsuka
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Tatsuyuki Takadate
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Masaharu Ishida
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Kunihiro Masuda
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Shimpei Maeda
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Takayuki Miura
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Katsutaka Mitachi
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Xun Jing Yu
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Fumiyoshi Fujishima
- Department of Pathology, Tohoku University Hospital, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Masamichi Mizuma
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Kei Nakagawa
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Takanori Morikawa
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Takashi Kamei
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
| | - Michiaki Unno
- Department of Surgery, Tohoku University Graduate School of Medicine, Seiryo‑machi, Aoba‑ku, Sendai 980‑8574, Japan
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17
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Zheng Y, Huang C, Lu L, Yu K, Zhao J, Chen M, Liu L, Sun Q, Lin Z, Zheng J, Chen J, Zhang J. STOML2 potentiates metastasis of hepatocellular carcinoma by promoting PINK1-mediated mitophagy and regulates sensitivity to lenvatinib. J Hematol Oncol 2021; 14:16. [PMID: 33446239 PMCID: PMC7807703 DOI: 10.1186/s13045-020-01029-3] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/25/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Dysregulation of both mitochondrial biogenesis and mitophagy is critical to sustain oncogenic signaling pathways. However, the mechanism of mitophagy in promoting hepatocellular carcinoma (HCC) progression remains poorly understood. In this study, we investigated the clinical significance and biological involvement of mitochondrial inner membrane protein STOML2 in HCC. METHODS STOML2 was identified by gene expression profiles of HCC tissues and was measured in tissue microarray and cell lines. Gain/loss-of-function experiment was applied to study the biological function of STOML2 in HCC. Flow cytometry, Western blotting, laser confocal microscopy, transmission electron microscopy, and co-immunoprecipitation were used to detect and analyze mitophagy. ChIP and luciferase reporter assay were conducted to evaluate the relationship between STOML2 and HIF-1α. The sensitivity to lenvatinib was assessed in HCC both in vitro and in vivo. RESULTS Increased expression of STOML2 was found in HCC compared with paired peritumoral tissues. It was more significant in HCC with metastasis and correlated with worse overall survival and higher probability of recurrence after hepatectomy. Upregulation of STOML2 accelerated HCC cells colony formation, migration and invasion. Mechanically, TCGA dataset-based analysis showed enrichment of autophagy-related pathways in STOML2 highly-expressed HCC. Next, STOML2 was demonstrated to interact and stabilize PINK1 under cellular stress, amplify PINK1-Parkin-mediated mitophagy and then promote HCC growth and metastasis. Most interestingly, HIF-1α was upregulated and transcriptionally increased STOML2 expression in HCC cells under the treatment of lenvatinib. Furthermore, higher sensitivity to lenvatinib was found in HCC cells when STOML2 was downregulated. Combination therapy with lenvatinib and mitophagy inhibitor hydroxychloroquine obtained best efficacy. CONCLUSIONS Our findings suggested that STOML2 could amplify mitophagy through interacting and stabilizing PINK1, which promote HCC metastasis and modulate the response of HCC to lenvatinib. Combinations of pharmacologic inhibitors that concurrently block both angiogenesis and mitophagy may serve as an effective treatment for HCC.
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Affiliation(s)
- Yahui Zheng
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Chong Huang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Lu Lu
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Kangkang Yu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jing Zhao
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Mingquan Chen
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Lu Liu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Qingfeng Sun
- Department of Infectious Diseases, Ruian People's Hospital, Ruian, 325200, China
| | - Zhifei Lin
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jianming Zheng
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jinhong Chen
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China.
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China.
| | - Jubo Zhang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China.
- Center of Liver Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China.
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18
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Liang R, Zhu X. UC2288 induces cell apoptosis of nasopharyngeal carcinoma cells via inhibiting EGFR/ERK pathway. J Cancer 2021; 12:988-995. [PMID: 33442398 PMCID: PMC7797659 DOI: 10.7150/jca.48282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 11/30/2020] [Indexed: 02/04/2023] Open
Abstract
Radiotherapy and chemotherapy are the standard care for patients with nasopharyngeal carcinoma (NPC). These treatments cause some severe toxicity and about 30% of patients develop recurrence and metastases after treatment. UC2288 is structurally similar to sorafenib, a multikinase inhibitor. However, studies about the effects of UC2288 on tumors are few. Here, UC2288 inhibited proliferation and induced apoptosis of NPC cells in a dose- and time-dependent manner. Using western blot and immunofluorescence assay, we found that UC2288 promoted DNA damage. In addition, UC2288 decreased the phosphorylation of EGFR and ERK. Moreover, pretreatment with EGF partially rescued cell viability suppressed by UC2288. In conclusion, UC2288 suppressed the growth of NPC via inhibiting EGFR/ERK pathway and it may be a promising therapeutic option for NPC.
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Affiliation(s)
- Renba Liang
- Department of Oncology, Wuming Hospital of Guangxi Medical University, Nanning, Guangxi, P.R. China.,Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, P.R. China
| | - Xiaodong Zhu
- Department of Oncology, Wuming Hospital of Guangxi Medical University, Nanning, Guangxi, P.R. China.,Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High-Incidence-Tumor, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China
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19
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Zhao J, Li X, Fu L, Zhang N, Yang J, Cai J. lncRNA LIFR‑AS1 inhibits gastric carcinoma cell proliferation, migration and invasion by sponging miR‑4698. Mol Med Rep 2020; 23:153. [PMID: 33355363 PMCID: PMC7789130 DOI: 10.3892/mmr.2020.11792] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 11/18/2020] [Indexed: 12/16/2022] Open
Abstract
The vital functions of long non-coding (lnc)RNAs have been verified in gastric carcinoma (GC). However, as a novel cancer-related lncRNA, the influence of leukemia inhibitory factor receptor antisense RNA 1 (LIFR-AS1) in GC cell biological behaviors remains unreported. The present study explored the biological effects of lncRNA LIFR-AS1 on GC progression. Reverse transcription-quantitative PCR was performed to examine lncRNA LIFR-AS1 expression in GC tissues and cells. Cell Counting Kit-8, 5-ethynyl-2′-deoxyuridine incorporation, cell wound healing and Transwell invasion assays were used to assess the functions of lncRNA LIFR-AS1 in GC cell proliferation, migration and invasion. Additionally, associations among lncRNA LIFR-AS1, microRNA (miR)-4698 and microtubule-associated tumor suppressor 1 (MTUS1) were investigated via bioinformatics software and a luciferase reporter system. In addition, western blotting was used to examine the expression of MEK and ERK. Decreased lncRNA LIFR-AS1 expression was observed in GC tissues and cells. Upregulated lncRNA LIFR-AS1 inhibited GC cell proliferation, migration and invasion. Upregulated miR-4698 and downregulated MTUS1 were identified in GC tissues and cells. The inhibitory interaction between lncRNA LIFR-AS1 and miR-4698 was confirmed. Additionally, MTUS1 was predicted as a target gene of miR-4698 positively regulated by lncRNA LIFR-AS1. The MEK/ERK pathway was inhibited by lncRNA LIFR-AS1 via regulating MTUS1. These findings revealed the inhibitory functions of lncRNA LIFR-AS1 in GC cell proliferation, migration and invasion. The process was mediated via miR-4698, MTUS1 and the MEK/ERK pathway.
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Affiliation(s)
- Jiangqiao Zhao
- Department of Surgery, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Xiaoning Li
- Department of General Surgery, Baoding First Central Hospital, Baoding, Hebei 071000, P.R. China
| | - Liping Fu
- Department of General Surgery, Cangzhou People's Hospital, Cangzhou, Hebei 061000, P.R. China
| | - Na Zhang
- Department of Radiology, Cangzhou Central Hospital, Cangzhou, Hebei 061000, P.R. China
| | - Jiaping Yang
- Department of General Surgery, Cangzhou People's Hospital, Cangzhou, Hebei 061000, P.R. China
| | - Jianhui Cai
- Department of Surgery, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
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Zhang X, Li BY, Fu LJ, Adu-Gyamfi EA, Xu BR, Liu TH, Chen XM, Lan X, Wang YX, Xu HB, Ding YB. Stomatin-like protein 2 (SLP2) regulates the proliferation and invasion of trophoblast cells by modulating mitochondrial functions. Placenta 2020; 100:13-23. [PMID: 32814233 DOI: 10.1016/j.placenta.2020.07.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 06/01/2020] [Accepted: 07/08/2020] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Stomatin-like protein 2 (SLP2) is highly expressed in human first trimester trophoblast cells, but its functions in placental morpho-physiology remain unknown. This study aimed to determine the role of SLP2 in the proliferation and invasion of human first trimester trophoblast cells. METHODS Immunofluorescence was used to determine the expression and localization of SLP2 in normal and miscarriage human first trimester placenta. Western blot was used to determine the expression of SLP2, PCNA, Cyclin D3, N-cadherin, Vimentin, PGC1α and PPARα in HTR-8/SVneo cells. SLP2 was knocked down in the HTR-8/SVneo cells by using si-Slp2. Wound healing and migration assays were used to determine the effect of SLP2 knockdown on the migration and invasion in the HTR-8/SVneo cells. Mitochondrial membrane potential, reactive oxygen species (ROS), ATP production and biogenesis were measured to assess the effects of SLP2 knockdown on mitochondrial functions. RESULT SLP2 was strongly expressed in the cytotrophoblasts (CTB), syncytiotrophoblast (STB) and extravillous trophoblasts (EVT) of normal pregnancy placenta as compared to miscarriage placenta. SLP2 was highly expressed in the invasive EVT cell lines, HTR-8/SVneo and HPT-8 compared to the CTB cell line JAR. Knockdown of SLP2 significantly inhibited the migration and invasion of HTR-8/SVneo cells and placental villous explants, and repressed mitochondrial biogenesis and functions in HTR-8/SVneo cells. DISCUSSION Silencing of SLP2 inhibited the proliferation, migration and invasion of HTR-8/SVneo cells via the impairment of mitochondrial functions. This indicates that the downregulation of SLP2 in miscarriage placenta could be part of the pathogenesis and pathophysiology of the disease.
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Affiliation(s)
- Xue Zhang
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China; The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China
| | - Bing-Yi Li
- Department of Obstetrics and Gyaanecology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, PR China; Wuhan Medical & Healthcare for Woman and Children, Wuhan, 430015, PR China
| | - Li-Juan Fu
- The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China; School of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, 400016, PR China
| | - Enoch Appiah Adu-Gyamfi
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China
| | - Bai-Ruo Xu
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China
| | - Tai-Hang Liu
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China; The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China
| | - Xue-Mei Chen
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China; The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China
| | - Xi Lan
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China
| | - Ying-Xiong Wang
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China; The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China
| | - Hong-Bing Xu
- Department of Obstetrics and Gyaanecology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, PR China.
| | - Yu-Bin Ding
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China; The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, PR China.
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21
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Wang D, Qi H, Li A, Deng F, Xu Y, Hu Z, Liu Q, Wang Y. Coexisting overexpression of STOML1 and STOML2 proteins may be associated with pathology of oral squamous cell carcinoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2020; 129:591-599.e3. [PMID: 32402568 DOI: 10.1016/j.oooo.2020.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 12/17/2019] [Accepted: 01/26/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The present study aimed to investigate the expression and co-localization of stomatin-like protein-1 (STOML1) and stomatin-like protein-2 (STOML2) in oral squamous cell carcinoma (OSCC) tissues in situ and evaluate their pathologic roles in OSCC. STUDY DESIGN STOML1 and STOML2 in human OSCC tissues (n = 109) and normal oral/paracancerous tissues (n = 19) were detected by using multiple immunohistochemistry (IHC) staining. Positive staining scores and clinicopathologic features during the OSCC process were analyzed. RESULTS STOML1 and STOML2 were significantly overexpressed in OSCC tissues compared with normal oral tissue/paracancerous tissues (P < .0001 and P < .0001, respectively). Furthermore, both STOML1 and STOML2 were positively associated with pathologic tumor (T) stages. Positive signals of both STOML1 and STOML2 were mainly localized to the cell membrane and the cytoplasm, whereas those of STOML1 were also expressed in the cell nucleus. CONCLUSIONS Our results indicated that overexpression of STOML1 and STOML2 was significantly associated with T1 and T2 stages of OSCC. STOML1 and STOML2 were mainly co-localized at the cell membrane and the cytoplasm. These findings suggested that either STOML1 or STOML2 may play critical roles in OSCC development and may serve as potential diagnostic biomarkers and therapeutic targets.
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Affiliation(s)
- Daiwei Wang
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong, China
| | - Hong Qi
- Hospital of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ang Li
- Hospital of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Fang Deng
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China
| | - Ying Xu
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China
| | - Zhangli Hu
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China
| | - Qiong Liu
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong, China
| | - Yun Wang
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, Guangdong, China.
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22
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Moon CI, Tompkins W, Wang Y, Godec A, Zhang X, Pipkorn P, Miller CA, Dehner C, Dahiya S, Hirbe AC. Unmasking Intra-tumoral Heterogeneity and Clonal Evolution in NF1-MPNST. Genes (Basel) 2020; 11:genes11050499. [PMID: 32369930 PMCID: PMC7291009 DOI: 10.3390/genes11050499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/19/2020] [Accepted: 04/30/2020] [Indexed: 12/15/2022] Open
Abstract
Sarcomas are highly aggressive cancers that have a high propensity for metastasis, fail to respond to conventional therapies, and carry a poor 5-year survival rate. This is particularly true for patients with neurofibromatosis type 1 (NF1), in which 8%–13% of affected individuals will develop a malignant peripheral nerve sheath tumor (MPNST). Despite continued research, no effective therapies have emerged from recent clinical trials based on preclinical work. One explanation for these failures could be the lack of attention to intra-tumoral heterogeneity. Prior studies have relied on a single sample from these tumors, which may not be representative of all subclones present within the tumor. In the current study, samples were taken from three distinct areas within a single tumor from a patient with an NF1-MPNST. Whole exome sequencing, RNA sequencing, and copy number analysis were performed on each sample. A blood sample was obtained as a germline DNA control. Distinct mutational signatures were identified in different areas of the tumor as well as significant differences in gene expression among the spatially distinct areas, leading to an understanding of the clonal evolution within this patient. These data suggest that multi-regional sampling may be important for driver gene identification and biomarker development in the future.
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Affiliation(s)
- Chang-In Moon
- Division of Medical Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; (C.-I.M.); (Y.W.); (X.Z.)
| | - William Tompkins
- Washington University School of Medicine, St. Louis, MO 63110, USA;
| | - Yuxi Wang
- Division of Medical Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; (C.-I.M.); (Y.W.); (X.Z.)
| | - Abigail Godec
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA;
| | - Xiaochun Zhang
- Division of Medical Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; (C.-I.M.); (Y.W.); (X.Z.)
| | - Patrik Pipkorn
- Department of Otolaryngology, Division of Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA;
- Siteman Cancer Center, St. Louis, MO 63110, USA; (C.A.M.); (S.D.)
| | - Christopher A. Miller
- Siteman Cancer Center, St. Louis, MO 63110, USA; (C.A.M.); (S.D.)
- McDonnell Genome Institute, Division of Oncology—Stem Cell Biology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Carina Dehner
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA;
| | - Sonika Dahiya
- Siteman Cancer Center, St. Louis, MO 63110, USA; (C.A.M.); (S.D.)
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA;
| | - Angela C. Hirbe
- Division of Medical Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; (C.-I.M.); (Y.W.); (X.Z.)
- Siteman Cancer Center, St. Louis, MO 63110, USA; (C.A.M.); (S.D.)
- Correspondence: ; Tel.: +1-314-747-3096
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23
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Heme oxygenase-1 inhibition mediates Gas6 to enhance bortezomib-sensitivity in multiple myeloma via ERK/STAT3 axis. Aging (Albany NY) 2020; 12:6611-6629. [PMID: 32298237 PMCID: PMC7202511 DOI: 10.18632/aging.102996] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 02/20/2020] [Indexed: 02/03/2023]
Abstract
Chemoresistance is still a critical challenge for efficient treatment of multiple myeloma (MM) during the bortezomib-based chemotherapy. Recent studies have suggested that heme oxygenase-1 (HO-1) is involved in apoptosis, proliferation and chemoresistance in cancer cells. Here we aim to investigate the role and mechanism of HO-1 in bortezomib-sensitivity to myeloma cells. In the study population, we found that HO-1 was highly expressed in CD138+ primary myeloma cells, which was positively associated with Gas6 expression and Gas6 plasma levels in MM patients. Downregulation of HO-1 using pharmacological inhibitor ZnPPIX or siRNA knockdown significantly enhanced myeloma cell sensitivity to bortezomib in human primary CD138+ cells, U266 and RPMI8226 cell lines. Mechanistically, HO-1 regulated Gas6 production via ERK/STAT3 axis. Combination with HO-1 inhibition increased bortezomib-induced apoptosis and antiproliferative effects via suppressing Gas6 production. These findings suggest that combination of bortezomib and HO-1 inhibitor may serve as a promising therapeutic target against bortezomib-resistant MM.
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Xie R, Liu Y, Yang P, Huang L, Zou X, Liu J, Ren Q, Tao J, Zhao P. “French fries”-like luminescent metal organic frameworks for the fluorescence determination of cytochrome c released by apoptotic cells and screening of anticancer drug activity. Mikrochim Acta 2020; 187:221. [DOI: 10.1007/s00604-020-4207-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 03/02/2020] [Indexed: 01/23/2023]
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25
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Wang M, Li C, Shi W. Stomatin-like protein-2 confers neuroprotection effect in oxygen-glucose deprivation/reoxygenation-injured neurons by regulating AMPK/Nrf2 signalling. J Drug Target 2019; 28:600-608. [PMID: 31791154 DOI: 10.1080/1061186x.2019.1700262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Stomatin-like protein-2 (SLP-2) has emerged as a cytoprotective protein that confers a protective effect against various stresses. However, whether SLP-2 confers neuroprotection during cerebral ischemia/reperfusion injury remains unclear. In the present study, we investigated the role of SLP-2 in regulating oxygen-glucose deprivation/reoxygenation (OGD/R)-induced apoptosis and oxidative stress, which has been used as an in vitro model of cerebral ischemia/reperfusion injury. We found that OGD/R treatment resulted in a significant reduction in SLP-2 expression in neurons. Functional experiments demonstrated that SLP-2 overexpression significantly increased cell viability and decreased cell apoptosis and reactive oxygen species (ROS) production in OGD/R-exposed neurons, while SLP-2 inhibition showed the opposite effect. Notably, SLP-2 overexpression was shown to up-regulate the phosphorylation of adenosine monophosphate-activated protein kinase (AMPK). In addition, SLP-2 overexpression increased the nuclear expression of nuclear factor (erythroid-derived 2)-like 2 and reinforced the activity of Nrf2/antioxidant response element (ARE)-mediated transcription. However, AMPK inhibition or Nrf2/ARE inhibition partially reversed SLP-2-mediated neuroprotection effect in OGD/R-exposed neurons. Taken together, these results demonstrate that SLP-2 confers neuroprotection effect in OGD/R-injured neurons associated with reinforcing AMPK/Nrf2 signalling, suggesting SLP-2 as a potential therapeutic target for cerebral ischemia/reperfusion injury.
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Affiliation(s)
- Minjuan Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Chengliang Li
- Department of General Practice, The First Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Wei Shi
- Department of Neurosurgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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26
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Hashemi-Sheikhshabani S, Amini-Farsani Z, Shamsara M, Sajadpoor Z, Sangtarash MH, Teimori H. Effect of valproic acid on cisplatin-resistant ovarian cancer cell lines. ACTA ACUST UNITED AC 2019. [DOI: 10.34172/jsums.2019.07] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Background and aims: Platinum resistance has been one of the most important problems in the management of ovarian cancer. The effects of various chemotherapeutic agents are limited in patients with platinum resistance. Therefore, developing new anticancer drugs that can improve the effect of currently used cytostatics is critical. The current study investigated the effects of valproic acid (VPA) alone and in combination with cisplatin on ovarian cancer cells. Methods: In this experimental study, the human ovarian cancer cell lines (A2780-S and A2780-CP) were grown in RPMI-1640 medium in appropriate culture conditions. The cells were treated with various concentrations of cisplatin (0.15-400 µg/mL) or VPA (10-2000 µg/mL) and were incubated for 24, 48, and 72 hours. Moreover, A2780 cells were co-treated with different concentrations of cisplatin and VPA for 48 hours. Afterward, cell viability was investigated using MTT assay. GraphPad Prism statistical software was used for the data analysis and ANOVA and Duncan’s test were conducted. Results: A dose- and time-dependent reduction was observed in cell viability following the treatment with cisplatin or VPA. Moreover, cotreatment of the A2780 cells with cisplatin and VPA resulted in a significantly greater inhibition of cell viability compared to the treatment with either agent alone. Conclusion: Overall, it can be argued that VPA does not only cause inhibition of proliferation and induction of apoptosis in ovarian cancer cells but also helps to enhance the antiproliferative effects of cisplatin and results in the increased susceptibility to cisplatin in resistant cells. VPA may therefore be used to treat cancer in the future.
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Affiliation(s)
- Somayeh Hashemi-Sheikhshabani
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zeinab Amini-Farsani
- Young Researchers and Elites Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Mehdi Shamsara
- National Research Center for Transgenic Mouse, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Zahra Sajadpoor
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | | | - Hossein Teimori
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Qu H, Jiang W, Wang Y, Chen P. STOML2 as a novel prognostic biomarker modulates cell proliferation, motility and chemo-sensitivity via IL6-Stat3 pathway in head and neck squamous cell carcinoma. Am J Transl Res 2019; 11:683-695. [PMID: 30899371 PMCID: PMC6413287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 12/24/2018] [Indexed: 06/09/2023]
Abstract
STOML2 (Stomatin-like protein 2) is up-regulated and acts as an oncogenic protein in multiple cancers. However, the role and regulatory mechanism of STOML2 in head and neck squamous cell carcinoma remain unclear. Here, we found that STOML2 is overexpressed and indicates poor outcomes in HNSCC. In addition, the expression of STOML2 correlates positively with T stage, lymph node metastasis and recurrence. Reduced STOML2 dramatically inhibits cell proliferation, colony formation and motility of HNSCC cells in vitro. Furthermore, the sensitivity of HNSCC cells towards cisplatin is obviously improved in STOML2-silencing cells. Subsequent studies suggest that STOML2 could regulate the expression of IL6 transcriptionally and then further induce the phosphorylation of Tyr705 residue of Stat3, whose activation plays a critical role in HNSCC. Taken together, these results for the first time demonstrate that STOML2 promotes HNSCC progression through activating IL6-Stat3 pathway and provide a promise for diagnosis and treatment for HNSCC.
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Affiliation(s)
- Haiou Qu
- Department of Thyroid and Breast Surgery, The First People’s Hospital of WenlingWenling 317500, China
| | - Weifeng Jiang
- Department of Thyroid and Breast Surgery, The First People’s Hospital of WenlingWenling 317500, China
| | - Yongxu Wang
- Department of Thyroid and Breast Surgery, The First People’s Hospital of WenlingWenling 317500, China
| | - Peng Chen
- Department of Surgery, The First People’s Hospital of WenlingWenling 317500, China
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28
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Tran VC, Cho SY, Kwon J, Kim D. Alginate oligosaccharide (AOS) improves immuno-metabolic systems by inhibiting STOML2 overexpression in high-fat-diet-induced obese zebrafish. Food Funct 2019; 10:4636-4648. [DOI: 10.1039/c9fo00982e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AOS improves immuno-metabolism systems in high-fat-died-induced obese zebrafish by regulating STOML2.
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Affiliation(s)
- Van Cuong Tran
- Department of Food Science and Technology
- Chonnam National University
- Gwangju
- Republic of Korea
- Department of Food Science and Post-harvest Technology
| | - Se-Young Cho
- Biological Disaster Analysis Group
- Korea Basic Science Institute
- Daejeon
- Republic of Korea
| | - Joseph Kwon
- Biological Disaster Analysis Group
- Korea Basic Science Institute
- Daejeon
- Republic of Korea
| | - Duwoon Kim
- Department of Food Science and Technology
- Chonnam National University
- Gwangju
- Republic of Korea
- Foodborne Virus Research Center
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29
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Wushenziye Formula Inhibits Pancreatic β Cell Apoptosis in Type 2 Diabetes Mellitus via MEK-ERK-Caspase-3 Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:4084259. [PMID: 30356368 PMCID: PMC6176308 DOI: 10.1155/2018/4084259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 07/30/2018] [Accepted: 08/30/2018] [Indexed: 01/09/2023]
Abstract
Background Wushenziye formula (WSZYF), composed of Radix Polygoni Multiflori Preparata, Mori fructus, Mori folium, and Cassiae semen, is effective in the treatment of type 2 diabetes mellitus (T2DM). Aim In this study, we aimed to explore the effects and the underlying mechanisms of WSZYF on inhibiting pancreatic β cell apoptosis and improving insulin resistance (IR) in T2DM. Methods A T2DM model was induced by Goto-Kakizaki diabetes prone rats. Cell apoptosis model was induced in MIN6 cells. Results In vivo, WSZYF decreased fasting blood glucose (FBG), insulin concentration, insulin resistance index, triglyceride (TG), total cholesterol (TC), and free fatty acids (FFA) in T2DM rats. Meanwhile, WSZYF ameliorated impairments in the morphology and structure of pancreatic tissues. In vitro, WSZYF enhanced cell viability and promoted insulin secretion in the apoptosis model of MIN6 cells. Furthermore, WSZYF modulated the expressions of apoptosis-related molecules by increasing the expressions of MEK1/2, p-MEK1/2, ERK1/2, and p-ERK1/2 and decreasing the cleaved-caspase-3 expression. Conclusion These findings indicate that WSZYF may become a new drug candidate in the treatment of T2DM and its antidiabetic mechanism is probably inhibiting pancreatic β cell apoptosis by modulating the MEK-ERK-Caspase-3 signaling pathway.
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30
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Liu X, Yang Q, Yan J, Zhang X, Zheng M. LncRNA MNX1‐AS1 promotes the progression of cervical cancer through activating MAPK pathway. J Cell Biochem 2018; 120:4268-4277. [PMID: 30302806 DOI: 10.1002/jcb.27712] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 08/29/2018] [Indexed: 12/28/2022]
Affiliation(s)
- Xiang Liu
- Department of Obstetrics and Gynecology The First People's Hospital of Wenling Wenling Zhejiang China
| | - Qian Yang
- Department of Obstetrics and Gynecology The First People's Hospital of Wenling Wenling Zhejiang China
| | - Jinyu Yan
- Department of Obstetrics and Gynecology The First People's Hospital of Wenling Wenling Zhejiang China
| | - Xiahui Zhang
- Department of Obstetrics and Gynecology The First People's Hospital of Wenling Wenling Zhejiang China
| | - Meiyun Zheng
- Department of Obstetrics and Gynecology The First People's Hospital of Wenling Wenling Zhejiang China
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Hu G, Zhang J, Xu F, Deng H, Zhang W, Kang S, Liang W. Stomatin-like protein 2 inhibits cisplatin-induced apoptosis through MEK/ERK signaling and the mitochondrial apoptosis pathway in cervical cancer cells. Cancer Sci 2018. [PMID: 29516570 PMCID: PMC5980381 DOI: 10.1111/cas.13563] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Stomatin-like protein 2 (STOML2 or SLP-2) is an oncogenic anti-apoptotic protein that is upregulated in several types of cancer, including cervical cancer. However, the mechanisms responsible for the SLP-2 anti-apoptotic function remain poorly understood. Here, we show that siRNA-mediated SLP-2 suppression decreases growth of human cervical cancer HELA and SIHA cells, and increases cisplatin-induced apoptosis through activation of MEK/ERK signaling and suppression of the mitochondrial pathway. The inhibition of the mitochondrial pathway is mediated by increasing the mitochondrial Ca2+ concentration and mitochondrial membrane potential, thereby downregulating p-MEK and p-ERK levels, upregulating the Bax/Bcl-2 ratio, increasing cytochrome C release from mitochondria into the cytosol, and upregulating levels of cleaved-caspase 9, cleaved-caspase 3, and cleaved poly ADP-ribose polymerase (PARP). Overexpression of SLP-2 using adenovirus-STOML2 has the opposite effect: it upregulates p-MEK and p-ERK and downregulates the Bax/Bcl-2 ratio and levels of cleaved-caspase 9 to caspase 9, cleaved-caspase 3 to caspase 3, and cleaved-PARP to PARP in cisplatin-treated cells. These data show that SLP-2 inhibits cisplatin-induced apoptosis by activating the MEK/ERK signaling and inhibiting the mitochondrial apoptosis pathway in cervical cancer cells.
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Affiliation(s)
- Guolin Hu
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Department of Oncology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, China
| | - Jialu Zhang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feifei Xu
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Huan Deng
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weiwei Zhang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shijun Kang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weijiang Liang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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