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Liu S, Costa M, Ortiz A. Chronic nickel exposure alters extracellular vesicles to mediate cancer progression via sustained NUPR1 expression. J Inorg Biochem 2024; 252:112477. [PMID: 38199052 DOI: 10.1016/j.jinorgbio.2023.112477] [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: 10/02/2023] [Revised: 12/18/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
Cancer cells release extracellular vesicles (EVs) that participate in altering the proximal tumor environment and distal tissues to promote cancer progression. Chronic exposure to nickel (Ni), a human group I carcinogen, results in epigenetic changes that promotes epithelial to mesenchymal transition (EMT). Cells that undergo EMT demonstrate various molecular changes, including elevated levels of the mesenchymal cadherin N-cadherin (N-CAD) and the transcription factor Zinc finger E-box binding homeobox 1 (ZEB1). Moreover, the molecular changes following EMT induce changes in cellular behavior, including anchorage-independent growth, which contributes to cancer cells detaching from tumor bulk during the metastatic process. Here, we present data demonstrating that EVs from Ni-exposed cells induce EMT in recipient BEAS-2B cells in the absence of Ni. Moreover, we show evidence that the EVs from Ni-altered cells package the transcription factor nuclear protein 1 (NUPR1), a transcription factor associated with Ni exposure and cancer progression. Moreover, our data demonstrates that the NUPR1 in the EVs becomes part of the recipient cell proteomic milieu and carry the NUPR1 to the nuclear space of the recipient cell. Interestingly, knockdown of NUPR1 in Ni-transformed cells suppressed NUPR1 packaging in the EVs, and nanoparticle tracking analysis (NTA) demonstrated decreased EV release. Reduction of NUPR1 in EVs resulted in diminished EMT capacity that resulted in decreased anchorage independent growth. This study is the first to demonstrate the role of NUPR1 in extracellular vesicle-mediate cancer progression.
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Affiliation(s)
- Shan Liu
- Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, United States of America
| | - Max Costa
- Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, United States of America
| | - Angelica Ortiz
- Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, United States of America.
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Liu Y, Lin W, Qian H, Yang Y, Zhou X, Wu C, Pan X, Liu Y, Wang G. Integrated multi-omic analysis and experiment reveals the role of endoplasmic reticulum stress in lung adenocarcinoma. BMC Med Genomics 2024; 17:12. [PMID: 38167084 PMCID: PMC10763289 DOI: 10.1186/s12920-023-01785-4] [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: 09/24/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Lung cancer is a highly prevalent malignancy worldwide and is associated with high mortality rates. While the involvement of endoplasmic reticulum (ER) stress in the development of lung adenocarcinoma (LUAD) has been established, the underlying mechanism remains unclear. METHODS In this study, we utilized data from The Cancer Genome Atlas (TCGA) to identify differentially expressed endoplasmic reticulum stress-related genes (ERSRGs) between LUAD and normal tissues. We performed various bioinformatics analyses to investigate the biological functions of these ERSRGs. Using LASSO analysis and multivariate stepwise regression, we constructed a novel prognostic model based on the ERSRGs. We further validated the performance of the model using two independent datasets from the Gene Expression Omnibus (GEO). Additionally, we conducted functional enrichment analysis, immune checkpoint analysis, and immune infiltration analysis and drug sensitivity analysis of LUAD patients to explore the potential biological function of the model. Furthermore, we conducted a battery of experiments to verify the expression of ERSRGs in a real-world cohort. RESULTS We identified 106 ERSRGs associated with LUAD, which allowed us to classify LUAD patients into two subtypes based on gene expression differences. Using six prognostic genes (NUPR1, RHBDD2, VCP, BAK1, EIF2AK3, MBTPS2), we constructed a prognostic model that exhibited excellent predictive performance in the training dataset and was successfully validated in two independent external datasets. The risk score derived from this model emerged as an independent prognostic factor for LUAD. Confirmation of the linkage between this risk model and immune infiltration was affirmed through the utilization of Gene Set Enrichment Analysis (GSEA), Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. The q-PCR results verified significant differences in the expression of prognostic genes between cancer and paracancer tissues. Notably, the protein expression of NUPR1, as determined by immunohistochemistry (IHC), exhibited an opposite pattern compared to the mRNA expression patterns. CONCLUSION This study establishes a novel prognostic model for LUAD based on six ER stress-related genes, facilitating the prediction of LUAD prognosis. Additionally, NUPR1 was identified as a potential regulator of stress in LUAD.
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Affiliation(s)
- Ying Liu
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Wei Lin
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Hongyan Qian
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Ying Yang
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Xuan Zhou
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Chen Wu
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Xiaoxia Pan
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Yuan Liu
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China.
| | - Gaoren Wang
- Cancer Research Center Nantong, Affiliated Tumor Hospital of Nantong University, Medical School of Nantong University, Nantong, China.
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Pan H, Shi Z, Gao L, Zhang L, Wei S, Chen Y, Lu C, Wang J, Zuo L, Zhang L. Impact of the cytotoxic T-lymphocyte associated antigen-4 rs231775 A/G polymorphism on cancer risk. Heliyon 2023; 9:e23164. [PMID: 38144286 PMCID: PMC10746491 DOI: 10.1016/j.heliyon.2023.e23164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/26/2023] Open
Abstract
Background Cytotoxic T-lymphocyte associated antigen-4 (CTLA-4) is an immunosuppressive checkpoint that is involved in the development and metastasis of cancers. Several studies revealed that CTLA-4 rs231775A/G polymorphism may be associated with the risk of cancer in some populations, but the conclusions of these studies are not consistent. Methods We conducted a pooled analysis with eligible studies to explore the association between the CTLA-4 rs231775 variant and cancer risk. Additionally, we used in silico tools to evaluated the expression of CTLA-4 on urinary system cancer. Moreover, we adopted the enzyme-linked immunosorbent assay (ELISA), and Gene Set Enrichment Analysis (GSEA) to investigate the effects of CTLA-4 on bladder cancer (BLCA). Results In total, 92 case-control studies involving 29,987 patients with cancer and 36,484 healthy individuals (controls) were included in the pooled analysis. In the stratified analysis based on cancer type, the rs231775 A/G polymorphism was associated with increased bladder cancer risk in the heterozygote contrast model (OR = 1.23, 95% CI = 1.01-1.51, P = 0.040). The race-stratified analysis revealed that East Asians with the GG genotype had a 12% lower risk of developing cancer than those with the GA + AA genotype (95% CI = 0.81-0.95, P = 0.001). The in silico analysis showed that CTLA-4 expression was augmented in patients with BLCA. The ELISA results revealed that CTLA-4 expression was reduced in patients with BLCA carrying the AA genotype. Several signaling pathways, including cytokine-cytokine receptor interactions and T-cell receptor signaling, were associated with CTLA-4 expression. Conclusion The CTLA-4 rs231775 A/G polymorphism is associated with cancer risk in East Asian population. This polymorphism is especially associated with BLCA.
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Affiliation(s)
- Haiyan Pan
- Department of Urology, Affiliated Hospital of Jiangnan University, Hefeng Road 1000, Wuxi, 214000, PR China
| | - Zebin Shi
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Lei Gao
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Li Zhang
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Shuzhang Wei
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Yin Chen
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Chao Lu
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Jianzhong Wang
- Department of Hospital Office, Affiliated Hospital of Jiangnan University, Hefeng Road 1000, Wuxi, 214000, PR China
| | - Li Zuo
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
| | - Lifeng Zhang
- Department of Urology, Changzhou Second People’s Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213003, Jiangsu Province, PR China
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Song B, Peng Y, Zheng Y, Zhu Y, Liu W, Wang K, Cui Z, Song B. Role of single-cell ferroptosis regulation in intercellular communication and skin cutaneous melanoma progression and immunotherapy. Cancer Immunol Immunother 2023; 72:3523-3541. [PMID: 37638981 DOI: 10.1007/s00262-023-03504-5] [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: 06/21/2023] [Accepted: 07/18/2023] [Indexed: 08/29/2023]
Abstract
BACKGROUND The involvement of ferroptosis in the pathogenesis and progression of various cancers has been well established. However, limited studies have investigated the role of ferroptosis-mediated tumor microenvironment (TME) in skin cutaneous melanoma (SKCM). METHODS By leveraging single-cell RNA sequencing data, the nonnegative matrix factorization (NMF) approach was employed to comprehensively characterize and identify distinct gene signatures within ferroptosis-associated TME cell clusters. Prognostic and treatment response analyses were conducted using both bulk datasets and external cancer cohort to evaluate the clinical implications of TME clusters. RESULTS This NMF-based analysis successfully delineated fibroblasts, macrophages, T cells, and B cells into multiple clusters, enabling the identification of unique gene expression patterns and the annotation of distinct TME clusters. Furthermore, pseudotime trajectories, enrichment analysis, cellular communication analysis, and gene regulatory network analysis collectively demonstrated significant intercellular communication between key TME cell clusters, thereby influencing tumor cell development through diverse mechanisms. Importantly, our bulk RNA-seq analysis revealed the prognostic significance of ferroptosis-mediated TME cell clusters in SKCM patients. Moreover, our analysis of immune checkpoint blockade highlighted the crucial role of TME cell clusters in tumor immunotherapy, facilitating the discovery of potential immunotherapeutic targets. CONCLUSIONS In conclusion, this pioneering study employing NMF-based analysis unravels the intricate cellular communication mediated by ferroptosis within the TME and its profound implications for the pathogenesis and progression of SKCM. We provide compelling evidence for the prognostic value of ferroptosis-regulated TME cell clusters in SKCM, as well as their potential as targets for immunotherapy.
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Affiliation(s)
- Binyu Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
| | - Yixuan Peng
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
- School of Basic Medicine, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yu Zheng
- Hospital for Skin Disease (Institute of Dermatology), Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
| | - Yuhan Zhu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
| | - Wei Liu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
| | - Kai Wang
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
| | - Zhiwei Cui
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China
| | - Baoqiang Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, 127 Chanle West Road, Xi'an, 710032, Shaanxi Province, China.
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Lu C, Gao S, Zhang L, Shi X, Chen Y, Wei S, Zuo L, Zhang L. Nuclear Protein 1 Expression Is Associated with PPARG in Bladder Transitional Cell Carcinoma. PPAR Res 2023; 2023:6797694. [PMID: 37197716 PMCID: PMC10185424 DOI: 10.1155/2023/6797694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/20/2023] [Accepted: 04/20/2023] [Indexed: 05/19/2023] Open
Abstract
Background The Nuclear protein 1 gene was first discovered in acute pancreatitis and functions as an oncogene in cancer progression and drug resistance. However, the role of Nuclear protein 1 in bladder transitional cell carcinoma (BTCC) is still unclear. Methods The Cancer Genome Atlas database and immunohistochemical analysis were adopted to evaluate Nuclear protein 1 expression in BTCC. We applied lentivirus-mediated small-interfering RNA to down-regulate the expression of Nuclear protein 1 in BTCC cell lines. We further performed an Affymetrix microarray and Gene Set Enrichment Analysis (GSEA) to assess the genes and signaling pathways related to Nuclear protein 1. Results We found that Nuclear protein 1 expression was up-regulated in BTCC and positively related to the degree of BTCC malignancy. Compared with Caucasian patients with BTCC, Nuclear protein 1 expression was attenuated in Asian patients. The Affymetrix microarray showed that lipopolysaccharide was the upstream regulatory factor of Nuclear protein 1 in BTCC. The GSEA indicated that Nuclear protein 1 expression was associated with signaling pathways in cancer, peroxisome proliferator-activated receptor (PPAR) pathways, and RNA degradation. The expression of Nuclear protein 1 was negatively correlated with PPARG (R = -0.290, P < 0.001), but not with PPARA (R = 0.047, P = 0.344) and PPARD (R = -0.055, P = 0.260). Conclusions The study findings indicate that Nuclear protein 1 is positively associated with the malignancy degree of BTCC and that Nuclear protein 1 expression is negatively correlated with PPARG.
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Affiliation(s)
- Chao Lu
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Shenglin Gao
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Li Zhang
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Xiaokai Shi
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Yin Chen
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Shuzhang Wei
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Li Zuo
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
| | - Lifeng Zhang
- Department of Urology, Changzhou Second People's Hospital, 29 Xinglong Road, Changzhou 213003, China
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