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Zhou S, Abdihamid O, Tan F, Zhou H, Liu H, Li Z, Xiao S, Li B. KIT mutations and expression: current knowledge and new insights for overcoming IM resistance in GIST. Cell Commun Signal 2024; 22:153. [PMID: 38414063 PMCID: PMC10898159 DOI: 10.1186/s12964-023-01411-x] [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: 07/19/2023] [Accepted: 11/25/2023] [Indexed: 02/29/2024] Open
Abstract
Gastrointestinal stromal tumor (GIST) is the most common sarcoma located in gastrointestinal tract and derived from the interstitial cell of Cajal (ICC) lineage. Both ICC and GIST cells highly rely on KIT signal pathway. Clinically, about 80-90% of treatment-naive GIST patients harbor primary KIT mutations, and special KIT-targeted TKI, imatinib (IM) showing dramatic efficacy but resistance invariably occur, 90% of them was due to the second resistance mutations emerging within the KIT gene. Although there are multiple variants of KIT mutant which did not show complete uniform biologic characteristics, most of them have high KIT expression level. Notably, the high expression level of KIT gene is not correlated to its gene amplification. Recently, accumulating evidences strongly indicated that the gene coding, epigenetic regulation, and pre- or post- protein translation of KIT mutants in GIST were quite different from that of wild type (WT) KIT. In this review, we elucidate the biologic mechanism of KIT variants and update the underlying mechanism of the expression of KIT gene, which are exclusively regulated in GIST, providing a promising yet evidence-based therapeutic landscape and possible target for the conquer of IM resistance. Video Abstract.
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Affiliation(s)
- Shishan Zhou
- Division of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, Xiangya road 87
| | - Omar Abdihamid
- Garissa Cancer Center, Garissa County Referral Hospital, Kismayu road, Garissa town, P.O BOX, 29-70100, Kenya
| | - Fengbo Tan
- Division of Surgery, Xiangya Hospital, Central South University, China, Hunan, Changsha
| | - Haiyan Zhou
- Division of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Heli Liu
- Division of Surgery, Xiangya Hospital, Central South University, China, Hunan, Changsha
| | - Zhi Li
- Center for Molecular Medicine of Xiangya Hospital, Collaborative Innovation Center for Cancer Medicine, Central South University, Changsha, Hunan, China, 410008
| | - Sheng Xiao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, 410008, MA, USA
| | - Bin Li
- Division of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, Xiangya road 87#.
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Kwon Y, Kim J, Cho SY, Kang YJ, Lee J, Kwon J, Rhee H, Bauer S, Kim HS, Lee E, Kim HS, Jung JH, Kim H, Kim WK. Identification of novel pathogenic roles of BLZF1/ATF6 in tumorigenesis of gastrointestinal stromal tumor showing Golgi-localized mutant KIT. Cell Death Differ 2023; 30:2309-2321. [PMID: 37704840 PMCID: PMC10589262 DOI: 10.1038/s41418-023-01220-2] [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: 03/15/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/15/2023] Open
Abstract
Gastrointestinal stromal tumors (GISTs) frequently show KIT mutations, accompanied by overexpression and aberrant localization of mutant KIT (MT-KIT). As previously established by multiple studies, including ours, we confirmed that MT-KIT initiates downstream signaling in the Golgi complex. Basic leucine zipper nuclear factor 1 (BLZF1) was identified as a novel MT-KIT-binding partner that tethers MT-KIT to the Golgi complex. Sustained activation of activated transcription factor 6 (ATF6), which belongs to the unfolded protein response (UPR) family, alleviates endoplasmic reticulum (ER) stress by upregulating chaperone expression, including heat shock protein 90 (HSP90), which assists in MT-KIT folding. BLZF1 knockdown and ATF6 inhibition suppressed both imatinib-sensitive and -resistant GIST in vitro. ATF6 inhibitors further showed potent antitumor effects in GIST xenografts, and the effect was enhanced with ER stress-inducing drugs. ATF6 activation was frequently observed in 67% of patients with GIST (n = 42), and was significantly associated with poorer relapse-free survival (P = 0.033). Overall, GIST bypasses ER quality control (QC) and ER stress-mediated cell death via UPR activation and uses the QC-free Golgi to initiate signaling.
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Affiliation(s)
- Yujin Kwon
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, 25451, South Korea
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Jiyoon Kim
- Department of Pharmacology, Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea
| | - Su-Yeon Cho
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, 25451, South Korea
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Yoon Jin Kang
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, 25451, South Korea
- Department of Marine Life Sciences, College of Life Science, Gangneung-Wonju National University, Gangneung, 25457, South Korea
| | - Jongsoo Lee
- Department of Urology, Urologic Science Institute, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Jaeyoung Kwon
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, 34113, South Korea
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung, 25451, South Korea
| | - Hyungjin Rhee
- Department of Radiology, Research Institute of Radiological Science, Center for Clinical Imaging Data Science, Severance Hospital, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Sebastian Bauer
- Sarcoma Center, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Germany and German Cancer Consortium (DKTK), Essen, 45141, Germany
| | - Hyung-Sik Kim
- Department of Oral Biochemistry; Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Esak Lee
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Han Sang Kim
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Jae Hung Jung
- Department of Urology, Yonsei University Wonju College of Medicine/Center of Evidence Based Medicine Institute of Convergence Science, Wonju, 26426, South Korea
| | - Hoguen Kim
- Department of Pathology, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Won Kyu Kim
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, 25451, South Korea.
- Department of Convergence Medicine, Yonsei University Wonju College of Medicine, Wonju, 26426, South Korea.
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Zhou X, He YZ, Liu D, Lin CR, Liang D, Huang R, Wang L. An Autophagy-Related Gene Signature can Better Predict Prognosis and Resistance in Diffuse Large B-Cell Lymphoma. Front Genet 2022; 13:862179. [PMID: 35846146 PMCID: PMC9280409 DOI: 10.3389/fgene.2022.862179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 05/12/2022] [Indexed: 01/11/2023] Open
Abstract
Background: Diffuse large B-cell lymphoma (DLBCL) is a highly heterogeneous disease, and about 30%–40% of patients will develop relapsed/refractory DLBCL. In this study, we aimed to develop a gene signature to predict survival outcomes of DLBCL patients based on the autophagy-related genes (ARGs). Methods: We sequentially used the univariate, least absolute shrinkage and selector operation (LASSO), and multivariate Cox regression analyses to build a gene signature. The Kaplan–Meier curve and the area under the receiver operating characteristic curve (AUC) were performed to estimate the prognostic capability of the gene signature. GSEA analysis, ESTIMATE and ssGSEA algorithms, and one-class logistic regression were performed to analyze differences in pathways, immune response, and tumor stemness between the high- and low-risk groups. Results: Both in the training cohort and validation cohorts, high-risk patients had inferior overall survival compared with low-risk patients. The nomogram consisted of the autophagy-related gene signature, and clinical factors had better discrimination of survival outcomes, and it also had a favorable consistency between the predicted and actual survival. GSEA analysis found that patients in the high-risk group were associated with the activation of doxorubicin resistance, NF-κB, cell cycle, and DNA replication pathways. The results of ESTIMATE, ssGSEA, and mRNAsi showed that the high-risk group exhibited lower immune cell infiltration and immune activation responses and had higher similarity to cancer stem cells. Conclusion: We proposed a novel and reliable autophagy-related gene signature that was capable of predicting the survival and resistance of patients with DLBCL and could guide individualized treatment in future.
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Affiliation(s)
- Xuan Zhou
- Second Clinical Medical College of Southern Medical University, Zhujiang Hospital of Southern Medical University, Guangzhou, China
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Ying-Zhi He
- Department of Hematology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Dan Liu
- The First School of Clinical Medicine, Guangdong Medical University, Zhanjiang, China
| | - Chao-Ran Lin
- The First School of Clinical Medicine, Guangdong Medical University, Zhanjiang, China
| | - Dan Liang
- Second Clinical Medical College of Southern Medical University, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Rui Huang
- Department of Hematology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
- *Correspondence: Rui Huang, ; Liang Wang,
| | - Liang Wang
- Department of Hematology, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- *Correspondence: Rui Huang, ; Liang Wang,
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Cooke M, Kazanietz MG. Overarching roles of diacylglycerol signaling in cancer development and antitumor immunity. Sci Signal 2022; 15:eabo0264. [PMID: 35412850 DOI: 10.1126/scisignal.abo0264] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Diacylglycerol (DAG) is a lipid second messenger that is generated in response to extracellular stimuli and channels intracellular signals that affect mammalian cell proliferation, survival, and motility. DAG exerts a myriad of biological functions through protein kinase C (PKC) and other effectors, such as protein kinase D (PKD) isozymes and small GTPase-regulating proteins (such as RasGRPs). Imbalances in the fine-tuned homeostasis between DAG generation by phospholipase C (PLC) enzymes and termination by DAG kinases (DGKs), as well as dysregulation in the activity or abundance of DAG effectors, have been widely associated with tumor initiation, progression, and metastasis. DAG is also a key orchestrator of T cell function and thus plays a major role in tumor immunosurveillance. In addition, DAG pathways shape the tumor ecosystem by arbitrating the complex, dynamic interaction between cancer cells and the immune landscape, hence representing powerful modifiers of immune checkpoint and adoptive T cell-directed immunotherapy. Exploiting the wide spectrum of DAG signals from an integrated perspective could underscore meaningful advances in targeted cancer therapy.
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Affiliation(s)
- Mariana Cooke
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Medicine, Einstein Medical Center Philadelphia, Philadelphia, PA 19141, USA
| | - Marcelo G Kazanietz
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Wan B, Liu B, Yu G, Huang Y, Lv C. Differentially expressed autophagy-related genes are potential prognostic and diagnostic biomarkers in clear-cell renal cell carcinoma. Aging (Albany NY) 2019; 11:9025-9042. [PMID: 31626592 PMCID: PMC6834403 DOI: 10.18632/aging.102368] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/07/2019] [Indexed: 12/11/2022]
Abstract
We examined the role of differentially expressed autophagy-related genes (DEARGs) in clear cell Renal Cell Carcinoma (ccRCC) using high-throughput RNA-seq data from The Cancer Genome Atlas (TCGA). Cox regression analyses showed that 5 DEARGs (PRKCQ, BID, BAG1, BIRC5, and ATG16L2) correlated with overall survival (OS) and 4 DEARGs (EIF4EBP1, BAG1, ATG9B, and BIRC5) correlated with disease-free survival (DFS) in ccRCC patients. Multivariate Cox regression analysis using the OS and DFS prognostic risk models showed that expression of the nine DEARGs accurately and independently predicted the risk of disease recurrence or progression in ccRCC patients (area under curve or AUC values > 0.70; all p < 0.05). Moreover, the DEARGs accurately distinguished healthy individuals from ccRCC patients based on receiver operated characteristic (ROC) analyses (area under curve or AUC values > 0.60), suggesting their potential as diagnostic biomarkers for ccRCC. The expression of DEARGs also correlated with the drug sensitivity of ccRCC cell lines. The ccRCC cell lines were significantly sensitive to Sepantronium bromide, a drug that targets BIRC5. This makes BIRC5 a potential therapeutic target for ccRCC. Our study thus demonstrates that DEARGs are potential diagnostic and prognostic biomarkers and therapeutic targets in ccRCC.
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Affiliation(s)
- Bangbei Wan
- Department of Urology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570208, Hainan, China
| | - Bo Liu
- Laboratory of Developmental Cell Biology and Disease, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325003, China
| | - Gang Yu
- Department of Urology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570208, Hainan, China
| | - Yuan Huang
- Department of Neurology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570208, Hainan, China
| | - Cai Lv
- Department of Urology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570208, Hainan, China
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