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Chiang SK, Chang WC, Chen SE, Chang LC. CDK7/CDK9 mediates transcriptional activation to prime paraptosis in cancer cells. Cell Biosci 2024; 14:78. [PMID: 38858714 PMCID: PMC11163730 DOI: 10.1186/s13578-024-01260-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 05/30/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND Paraptosis is a programmed cell death characterized by cytoplasmic vacuolation, which has been explored as an alternative method for cancer treatment and is associated with cancer resistance. However, the mechanisms underlying the progression of paraptosis in cancer cells remain largely unknown. METHODS Paraptosis-inducing agents, CPYPP, cyclosporin A, and curcumin, were utilized to investigate the underlying mechanism of paraptosis. Next-generation sequencing and liquid chromatography-mass spectrometry analysis revealed significant changes in gene and protein expressions. Pharmacological and genetic approaches were employed to elucidate the transcriptional events related to paraptosis. Xenograft mouse models were employed to evaluate the potential of paraptosis as an anti-cancer strategy. RESULTS CPYPP, cyclosporin A, and curcumin induced cytoplasmic vacuolization and triggered paraptosis in cancer cells. The paraptotic program involved reactive oxygen species (ROS) provocation and the activation of proteostatic dynamics, leading to transcriptional activation associated with redox homeostasis and proteostasis. Both pharmacological and genetic approaches suggested that cyclin-dependent kinase (CDK) 7/9 drive paraptotic progression in a mutually-dependent manner with heat shock proteins (HSPs). Proteostatic stress, such as accumulated cysteine-thiols, HSPs, ubiquitin-proteasome system, endoplasmic reticulum stress, and unfolded protein response, as well as ROS provocation primarily within the nucleus, enforced CDK7/CDK9-Rpb1 (RNAPII subunit B1) activation by potentiating its interaction with HSPs and protein kinase R in a forward loop, amplifying transcriptional regulation and thereby exacerbating proteotoxicity leading to initiate paraptosis. The xenograft mouse models of MDA-MB-231 breast cancer and docetaxel-resistant OECM-1 head and neck cancer cells further confirmed the induction of paraptosis against tumor growth. CONCLUSIONS We propose a novel regulatory paradigm in which the activation of CDK7/CDK9-Rpb1 by nuclear proteostatic stress mediates transcriptional regulation to prime cancer cell paraptosis.
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Affiliation(s)
- Shih-Kai Chiang
- Department of Animal Science, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Wei-Chao Chang
- Center for Molecular Medicine, China Medical University Hospital, Taichung, 406040, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung, 406040, Taiwan
- Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, 406040, Taiwan
| | - Shuen-Ei Chen
- Department of Animal Science, National Chung Hsing University, Taichung, 40227, Taiwan.
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung, 40227, Taiwan.
- Innovation and Development Center of Sustainable Agriculture (IDCSA), National Chung Hsing University, Taichung, 40227, Taiwan.
- i-Center for Advanced Science and Technology (iCAST), National Chung Hsing University, Taichung, 40227, Taiwan.
| | - Ling-Chu Chang
- Center for Molecular Medicine, China Medical University Hospital, Taichung, 406040, Taiwan.
- Research Center for Cancer Biology, China Medical University, Taichung, 406040, Taiwan.
- Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, 406040, Taiwan.
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Gong J, Kim DM, Freeman MR, Kim H, Ellis L, Smith B, Theodorescu D, Posadas E, Figlin R, Bhowmick N, Freedland SJ. Genetic and biological drivers of prostate cancer disparities in Black men. Nat Rev Urol 2024; 21:274-289. [PMID: 37964070 DOI: 10.1038/s41585-023-00828-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2023] [Indexed: 11/16/2023]
Abstract
Black men with prostate cancer have historically had worse outcomes than white men with prostate cancer. The causes of this disparity in outcomes are multi-factorial, but a potential basis is that prostate cancers in Black men are biologically distinct from prostate cancers in white men. Evidence suggests that genetic and ancestral factors, molecular pathways involving androgen and non-androgen receptor signalling, inflammation, epigenetics, the tumour microenvironment and tumour metabolism are contributing factors to the racial disparities observed. Key genetic and molecular pathways linked to prostate cancer risk and aggressiveness have potential clinical relevance. Describing biological drivers of prostate cancer disparities could inform efforts to improve outcomes for Black men with prostate cancer.
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Affiliation(s)
- Jun Gong
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
| | - Daniel M Kim
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Michael R Freeman
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Hyung Kim
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Leigh Ellis
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Bethany Smith
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Dan Theodorescu
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Edwin Posadas
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Robert Figlin
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Neil Bhowmick
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Stephen J Freedland
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Urology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Section of Urology, Durham VA Medical Center, Durham, NC, USA
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Shi K, Tang J, Yuan L, Zhou S, Ran W, Wang Z. Role of gene signature regulation in tumor immune microenvironment on the mechanism of uveal melanoma metastasis. Cancer Biomark 2023; 36:161-175. [PMID: 36683494 DOI: 10.3233/cbm-210427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Uveal melanoma (UM) is a rare but deadly cancer. The main cause of death from UM is liver metastasis. Though the metastasis mechanism remains unclear, it is closely related to the immune microenvironment and gene expression. OBJECTIVE This study aimed to identify the prognostic genes in primary and metastatic UM and their relationship with the immune microenvironment. METHODS Primary and metastatic UM data from the GEO database included GSE22138 and GSE44295 datasets. Kaplan-Meier analysis, Cox regression models, and ROC analysis were applied to screen genes in GSE22138. TIMER2.0 was employed to analyze the immune microenvironment from gene expression. Prognostic immune gene correlation was tested by Spearman. The results were validated in the independent dataset of cohort GSE44295. RESULTS Metastasis and primary differential gene analysis showed 107 significantly different genes associated with prognosis, and 11 of them were immune-related. ROC analysis demonstrated that our signature was predictive for UM prognosis (AUC > 0.8). Neutrophil and myeloid dendritic cells were closely associated with metastasis with scores that significantly divided patients into high-risk and low-risk groups (log-rank p< 0.05). Of these 11 genes, FABP5 and SHC4 were significantly associated with neutrophils in metastatic tumors, while ROBO1 expression was significantly correlated with myeloid dendritic cells in the primary tumors. CONCLUSIONS The present study constructed an 11-gene signature and established a model for risk stratification and prediction of overall survival in metastatic UM. Since FABP5 and SHC4 are related to neutrophil infiltration in metastatic UM, FABP5 and neutrophil regulation might be crucial in metastatic UM.
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Affiliation(s)
- Kai Shi
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing, China.,Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Jiatian Tang
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lingyan Yuan
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, Guangdong, China
| | - Shengwen Zhou
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing, China.,Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Wei Ran
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing, China.,Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Zhiming Wang
- PET/CT Center, Gansu Provincial Hospital, Lanzhou, Gansu, China
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Khaliq AM, Erdogan C, Kurt Z, Turgut SS, Grunvald MW, Rand T, Khare S, Borgia JA, Hayden DM, Pappas SG, Govekar HR, Kam AE, Reiser J, Turaga K, Radovich M, Zang Y, Qiu Y, Liu Y, Fishel ML, Turk A, Gupta V, Al-Sabti R, Subramanian J, Kuzel TM, Sadanandam A, Waldron L, Hussain A, Saleem M, El-Rayes B, Salahudeen AA, Masood A. Refining colorectal cancer classification and clinical stratification through a single-cell atlas. Genome Biol 2022; 23:113. [PMID: 35538548 PMCID: PMC9092724 DOI: 10.1186/s13059-022-02677-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/21/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Colorectal cancer (CRC) consensus molecular subtypes (CMS) have different immunological, stromal cell, and clinicopathological characteristics. Single-cell characterization of CMS subtype tumor microenvironments is required to elucidate mechanisms of tumor and stroma cell contributions to pathogenesis which may advance subtype-specific therapeutic development. We interrogate racially diverse human CRC samples and analyze multiple independent external cohorts for a total of 487,829 single cells enabling high-resolution depiction of the cellular diversity and heterogeneity within the tumor and microenvironmental cells. RESULTS Tumor cells recapitulate individual CMS subgroups yet exhibit significant intratumoral CMS heterogeneity. Both CMS1 microsatellite instability (MSI-H) CRCs and microsatellite stable (MSS) CRC demonstrate similar pathway activations at the tumor epithelial level. However, CD8+ cytotoxic T cell phenotype infiltration in MSI-H CRCs may explain why these tumors respond to immune checkpoint inhibitors. Cellular transcriptomic profiles in CRC exist in a tumor immune stromal continuum in contrast to discrete subtypes proposed by studies utilizing bulk transcriptomics. We note a dichotomy in tumor microenvironments across CMS subgroups exists by which patients with high cancer-associated fibroblasts (CAFs) and C1Q+TAM content exhibit poor outcomes, providing a higher level of personalization and precision than would distinct subtypes. Additionally, we discover CAF subtypes known to be associated with immunotherapy resistance. CONCLUSIONS Distinct CAFs and C1Q+ TAMs are sufficient to explain CMS predictive ability and a simpler signature based on these cellular phenotypes could stratify CRC patient prognosis with greater precision. Therapeutically targeting specific CAF subtypes and C1Q + TAMs may promote immunotherapy responses in CRC patients.
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Affiliation(s)
- Ateeq M Khaliq
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Cihat Erdogan
- Isparta University of Applied Sciences, Isparta, Turkey
| | - Zeyneb Kurt
- Northumbria University, Newcastle Upon Tyne, UK
| | | | | | - Tim Rand
- Tempus Labs, Inc., Chicago, IL, USA
| | | | | | | | - Sam G Pappas
- Rush University Medical Center, Chicago, IL, USA
| | | | - Audrey E Kam
- Rush University Medical Center, Chicago, IL, USA
| | | | | | - Milan Radovich
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yong Zang
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yingjie Qiu
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yunlong Liu
- Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - Anita Turk
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Vineet Gupta
- Rush University Medical Center, Chicago, IL, USA
| | - Ram Al-Sabti
- Rush University Medical Center, Chicago, IL, USA
| | | | | | | | - Levi Waldron
- CUNY Graduate School of Public Health and Health Policy, New York, NY, USA
| | - Arif Hussain
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | | | - Bassel El-Rayes
- University of Alabama, O'Neil Comprehensive Cancer Institute, Birmingham, AL, USA
| | | | - Ashiq Masood
- Indiana University School of Medicine, Indianapolis, IN, USA.
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Kim SH, Kim TJ, Shin D, Hur KJ, Hong SH, Lee JY, Ha US. ROBO1 protein expression is independently associated with biochemical recurrence in prostate cancer patients who underwent radical prostatectomy in Asian patients. Gland Surg 2021; 10:2956-2965. [PMID: 34804883 DOI: 10.21037/gs-21-406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 09/03/2021] [Indexed: 11/06/2022]
Abstract
Background The purpose of this study is to investigate the correlation between ROBO1 expression and prostate cancer aggressiveness. Methods ROBO1 expression was evaluated in normal prostate epithelial cells (PrEC) and different prostate cancer cell lines by Western blot analysis. The migration and invasion of native and ROBO1 knockdown cells were evaluated using migration chambers and a Matrigel-coated membrane, respectively. Samples from 145 patients who underwent radical prostatectomy between June 2000 and June 2008, were retrieved from the paraffin files for tissue microarray (TMA) with immunohistochemical analysis. Biochemical recurrence (BCR)-free survival curves were estimated using the Kaplan-Meier and Cox regression methods in two groups of patients classified according to the degree of ROBO1 expression (low or high expression). Results ROBO1 is highly expressed in the prostate cancer cell lines. All ROBO1 knockdown cells (PC3, 22Rv1 and DU 145) showed markedly decreased migration and invasiveness compared to native cells. In 145 patients with radical prostatectomy, the Kaplan-Meier curves and log-rank test for BCR-free survival stratified by ROBO1 expression in organ-confined (pT2) or not (pT3), showed significant differences in 10-year survival between the ROBO1 high and low expression groups (87.2% versus 52.6% in pT2; P=0.047, 51.0% versus 36.9% in pT3; P=0.033). The multivariable-adjusted model showed a markedly increased hazard ratio (HR) in patients with high ROBO1 expression compared to the patients with low ROBO1expression in every model. Conclusions ROBO1 may play an important role in the migration and invasion of prostate cancer cells, and was independently associated with BCR.
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Affiliation(s)
- Sang Hoon Kim
- Department of Urology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tae-Jung Kim
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dongho Shin
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kyung Jae Hur
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sung-Hoo Hong
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ji Youl Lee
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - U-Syn Ha
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Huang W, Liu H, Lv T. Silencing of SETD6 inhibits the tumorigenesis of oral squamous cell carcinoma by inhibiting methylation of PAK4 and RelA. Histol Histopathol 2021; 36:229-237. [PMID: 33710605 DOI: 10.14670/hh-18-327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) is one of the most comment types of oral malignancies. SET-domain-containing protein 6 (SETD6) was recently identified as an important regulator of multiple signaling pathways through methylating protein substrates. Meanwhile, SETD6 is known to participate in multiple cancers. However, the role of SETD6 in OSCC remains unclear. METHODS Gene and protein expressions in OSCC cells or tissues were detected by RT-qPCR and western blot, respectively. In addition, CCK-8 assay was used to test the cell viability. A transwell assay was performed to measure cell migration and invasion. Flow cytometry was used to test cell apoptosis and cycle. Meanwhile, methylation-specific PCR (MSP) was used to detect the status of promoter methylation. RESULTS SETD6 was significantly upregulated in OSCC tissues. In addition, knockdown of SETD6 notably inhibited the proliferation and induced the apoptosis of OSCC cells. Furthermore, silencing of SETD6 notably suppressed the migration and invasion of OSCC cells. Meanwhile, SETD6 siRNA significantly inhibited the promoter methylation of RelA (NF-κB p65) and PAK4. Furthermore, SETD6 siRNA induced G1 arrest in OSCC cells. CONCLUSION Knockdown of SETD6 inhibits the tumorigenesis of OSCC by suppressing promoter methylation of PAK4 and RelA. Therefore, our study might shed new light on exploring strategies for the treatment of OSCC.
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Affiliation(s)
- Wentao Huang
- Savaid Stomatology School, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Hongjing Liu
- College of Stomatology of Guizhou Medical University, Guizhou Medical University, Guiyang, Guizhou, China
| | - Tianzhu Lv
- College of Stomatology of Guizhou Medical University, Guizhou Medical University, Guiyang, Guizhou, China.
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