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Song Y, Wang L, Zheng Y, Jia L, Li C, Chao K, Li L, Sun S, Wei Y, Ge Y, Yang Y, Zhu L, Zhang Y, Zhao J. Deubiquitinating enzyme USP28 inhibitor AZ1 alone and in combination with cisplatin for the treatment of non-small cell lung cancer. Apoptosis 2024; 29:1793-1809. [PMID: 39222275 PMCID: PMC11416398 DOI: 10.1007/s10495-024-02008-6] [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] [Accepted: 07/17/2024] [Indexed: 09/04/2024]
Abstract
Lung cancer is one of the most common malignant tumors. Despite decades of research, the treatment of lung cancer remains challenging. Non-small cell lung cancer (NSCLC) is the primary type of lung cancer and is a significant focus of research in lung cancer treatment. The deubiquitinase ubiquitin-specific protease 28 (USP28) plays a role in the progression of various tumors and serves as a potential therapeutic target. This study aims to determine the role of USP28 in the progression of NSCLC. We examined the impact of the USP28 inhibitor AZ1 on the cell cycle, apoptosis, DNA damage response, and cellular immunogenicity in non-small cell lung cancer. We observed that AZ1 and siUSP28 induce DNA damage, leading to the activation of Noxa-mediated mitochondrial apoptosis. The dsDNA and mtDNA released from DNA damage and mitochondrial apoptosis activate tumor cell immunogenicity through the cGAS-STING signaling pathway. Simultaneously, targeting USP28 promotes the degradation of c-MYC, resulting in cell cycle arrest and inhibition of DNA repair. This further promotes DNA damage-induced cell apoptosis mediated by the Noxa protein, thereby enhancing tumor cell immunogenicity mediated by dsDNA and mtDNA. Moreover, we found that the combination of AZ1 and cisplatin (DDP) can enhance therapeutic efficacy, thereby providing a new strategy to overcome cisplatin resistance in NSCLC. These findings suggest that targeting USP28 and combining it with cisplatin are feasible strategies for treating NSCLC.
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Affiliation(s)
- Yiqiong Song
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Longhao Wang
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Oncology, Henan Provincial People's Hospital and Zhengzhou University People's Hospital, Zhengzhou, 450003, Henan, China
| | - Yuanyuan Zheng
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Lanqi Jia
- Department of Pharmacy, The First Affiliated Hospital of Henan University of CM, Zhengzhou, 477150, Henan, China
| | - Chunwei Li
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Ke Chao
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Lifeng Li
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Shilong Sun
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yujie Wei
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yahao Ge
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yaqi Yang
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Lili Zhu
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yixing Zhang
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Jie Zhao
- Internet Medical and System Applications of National Engineering Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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Qin L, Qiu M, Tang J, Liu S, Lin Q, Huang Q, Wei X, Wen Q, Chen P, Zhou Z, Cao J, Liang X, Guo Q, Nong C, Gong Y, Wei Y, Jiang Y, Yu H, Liu Y. Genetic Variants in p53 Pathway Genes Affect Survival of Patients with HBV-Related Hepatocellular Carcinoma. J Hepatocell Carcinoma 2024; 11:1541-1555. [PMID: 39156673 PMCID: PMC11328861 DOI: 10.2147/jhc.s459792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 07/26/2024] [Indexed: 08/20/2024] Open
Abstract
Purpose P53 is a suppressor gene closely related to carcinogenesis. However, the associations between genetic variants in the p53 signaling pathway and prognosis in hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC) remain unknown. The current study aims to analyze associations between the single nucleotide polymorphisms (SNPs) in p53 pathway-related genes and survival of patients with HBV-HCC. Methods We evaluated the associations between 4698 SNPs in 70 genes of the p53 pathway and overall survival (OS) of 866 patients in additive genetic models by using Cox proportional hazards regression analysis. Stepwise multivariable Cox regression analysis was conducted to determine the independent effects of identified SNPs in single-locus analyses. The expression of quantitative trait loci (eQTL) was also analyzed using data from GTEx and 1000 Genomes Project, and functional prediction of SNPs was performed by using RegulomeDB v2.2, 3DSNP v2.0, HaploReg v4.2 and VannoPortal. Results We found that two novel SNPs of CD82 rs7925603 A > G and PMAIP1 rs4396625 A > T, were significantly and independently associated with OS [adjusted hazards ratios (HRs) and 95% confidence intervals (CI) were 1.27 (1.10-1.48) and 0.77 (0.66-0.91), respectively; P = 0.001 and = 0.002, respectively] and that the combined risk genotypes of these SNPs showed a significant association with OS in patients with HBV-HCC (P trend < 0.001). Further eQTL analysis in the GTEx dataset showed that the rs7925603 G allele was associated with lower CD82 mRNA expression levels, while the rs4396625 T allele was associated with higher PMAIP1 mRNA expression levels in whole blood cells. Conclusion We identified two observed survival-associated SNPs in CD82 and PMAIP1 in the p53 pathway, which influenced HBV-HCC survival possibly through a mechanism of altering mRNA expression. Large studies are warranted to validate our findings.
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Affiliation(s)
- Liming Qin
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
- School of Public Health, Guangxi Medical University, Nanning, People’s Republic of China
| | - Moqin Qiu
- Department of Respiratory Oncology, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Jingmei Tang
- School of Public Health, Guangxi Medical University, Nanning, People’s Republic of China
| | - Shuyan Liu
- Key Laboratory of Biological Molecular Medicine Research, Education Department of Guangxi Zhuang Autonomous Region, Guangxi Medical University, Nanning, People’s Republic of China
| | - Qiuling Lin
- Department of Clinical Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Qiongguang Huang
- School of Public Health, Guangxi Medical University, Nanning, People’s Republic of China
| | - Xiaoxia Wei
- Department of Clinical Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Qiuping Wen
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Peiqin Chen
- Editorial Department of Chinese Journal of Oncology Prevention and Treatment, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Zihan Zhou
- Department of Cancer Prevention and Control, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Ji Cao
- Department of Cancer Prevention and Control, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Xiumei Liang
- Department of Disease Process Management, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Qian Guo
- Liuzhou Worker’s Hospital, Liuzhou, People’s Republic of China
| | - Cunli Nong
- Liuzhou Worker’s Hospital, Liuzhou, People’s Republic of China
| | - Yizhen Gong
- Department of Clinical Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Yuying Wei
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Yanji Jiang
- Department of Scientific Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Hongping Yu
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
- School of Public Health, Guangxi Medical University, Nanning, People’s Republic of China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Ministry of Education, Guangxi Medical University, Nanning, People’s Republic of China
- Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, People’s Republic of China
- Key Cultivated Laboratory of Cancer Molecular Medicine of Guangxi Health Commission, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
| | - Yingchun Liu
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning, People’s Republic of China
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Tauchi T, Moriya S, Okabe S, Kazama H, Miyazawa K, Takano N. Vitamin K2 sensitizes the efficacy of venetoclax in acute myeloid leukemia by targeting the NOXA-MCL-1 pathway. PLoS One 2024; 19:e0307662. [PMID: 39052583 PMCID: PMC11271855 DOI: 10.1371/journal.pone.0307662] [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: 04/02/2024] [Accepted: 07/09/2024] [Indexed: 07/27/2024] Open
Abstract
Promising outcomes have been reported in elder patients with acute myeloid leukemia (AML) using combined therapy of venetoclax (VEN) and azacytidine (AZA) in recent years. However, approximately one-third of patients appear to be refractory to this therapy. Vitamin K2 (VK2) shows apoptosis-inducing activity in AML cells, and daily oral VK2 (menaquinone-4, GlakayR) has been approved for patients with osteoporosis in Japan. We observed a high response rate to AZA plus VEN therapy, with no 8-week mortality in the newly diagnosed AML patients consuming daily VK2 in our hospital. The median age of the patients was 75.9 years (range 66-84) with high-risk features. Patients received AZA 75 mg/m2 on D1-7, VEN 400 mg on D1-28, and daily VK2 45 mg. The CR/CRi ratio was 94.7% (18/19), with a CR rate of 79%. Complete cytogenetic CR was achieved in 15 of 19 (79%) patients, and MRD negativity in 2 of 15 (13%) evaluable CR patients. Owing to the extremely high response rate in clinical settings, we further attempted to investigate the underlying mechanisms. The combination of VK2 and VEN synergistically induced apoptosis in all five AML cell lines tested. VK2, but not VEN, induced mitochondrial reactive oxygen species (ROS), leading to the transcriptional upregulation of NOXA, followed by MCL-1 repression. ROS scavengers repressed VK2 induced-NOXA expression and led to the cancellation of pronounced apoptosis and the downregulation of MCL-1 by VK2 plus VEN. Additionally, knockdown and knockout of NOXA resulted in abrogation of the MCL-1 repression as well as enhanced cytotoxicity by the two-drug combination, indicating that VK2 suppresses MCL-1 via ROS-mediated NOXA induction. These data suggest that the dual inhibition of BCL-2 by VEN and MCL-1 by VK2 is responsible for the remarkable clinical outcomes in our patients. Therefore, large-scale clinical trials are required.
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MESH Headings
- Humans
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/pathology
- Bridged Bicyclo Compounds, Heterocyclic/pharmacology
- Bridged Bicyclo Compounds, Heterocyclic/therapeutic use
- Proto-Oncogene Proteins c-bcl-2/metabolism
- Proto-Oncogene Proteins c-bcl-2/genetics
- Aged
- Sulfonamides/pharmacology
- Sulfonamides/therapeutic use
- Vitamin K 2/pharmacology
- Vitamin K 2/analogs & derivatives
- Vitamin K 2/therapeutic use
- Myeloid Cell Leukemia Sequence 1 Protein/metabolism
- Female
- Male
- Aged, 80 and over
- Apoptosis/drug effects
- Cell Line, Tumor
- Signal Transduction/drug effects
- Drug Synergism
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Reactive Oxygen Species/metabolism
- Azacitidine/pharmacology
- Azacitidine/therapeutic use
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
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Affiliation(s)
- Tetsuzo Tauchi
- Shinyurigaoka General Hospital, Asou-ku, Kawasaki, Kanagawa, Japan
| | - Shota Moriya
- Department of Biochemistry, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Seiichi Okabe
- Department of Hematology, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Hiromi Kazama
- Department of Biochemistry, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Keisuke Miyazawa
- Department of Biochemistry, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Naoharu Takano
- Department of Biochemistry, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
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4
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Zhao Y, Zhao C, Deng Y, Pan M, Mo G, Liao Z, Zhang X, Zhang D, Li H. PMAIP1 promotes J subgroup avian leukosis virus replication by regulating mitochondrial function. Poult Sci 2024; 103:103617. [PMID: 38547674 PMCID: PMC11180372 DOI: 10.1016/j.psj.2024.103617] [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: 11/20/2023] [Revised: 02/22/2024] [Accepted: 03/01/2024] [Indexed: 06/05/2024] Open
Abstract
Avian leukosis virus Subgroup J (ALV-J) exhibits high morbidity and pathogenicity, affecting approximately 20% of poultry farms. It induces neoplastic diseases and immunosuppression. Phorbol-12-myristate-13-acetate-induced protein 1 (PMAIP1), a proapoptotic mitochondrial protein in the B-cell lymphoma-2 (Bcl-2) family, plays a role in apoptosis in cancer cells. However, the connection between the PMAIP1 gene and ALV-J pathogenicity remains unexplored. This study investigates the potential impact of the PMAIP1 gene on ALV-J replication and its regulatory mechanisms. Initially, we examined PMAIP1 expression using quantitative real-time PCR (qRT-PCR) in vitro and in vivo. Furthermore, we manipulated PMAIP1 expression in chicken fibroblast cells (DF-1) and assessed its effects on ALV-J infection through qRT-PCR, immunofluorescence assay (IFA), and western blotting (WB). Our findings reveal a significant down-regulation of PMAIP1 in the spleen, lung, and kidney, coupled with an up-regulation in the bursa and liver of ALV-J infected chickens compared to uninfected ones. Additionally, DF-1 cells infected with ALV-J displayed a notable up-regulation of PMAIP1 at 6, 12, 24, 48, 74, and 108 h. Over-expression of PMAIP1 enhanced ALV-J replication, interferon expression, and proinflammatory factors. Conversely, interference led to contrasting results. Furthermore, we observed that PMAIP1 promotes virus replication by modulating mitochondrial function. In conclusion, the PMAIP1 gene facilitates virus replication by regulating mitochondrial function, thereby enriching our understanding of mitochondria-related genes and their involvement in ALV-J infection, offering valuable insights for avian leukosis disease resistance strategies.
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Affiliation(s)
- Yongxia Zhao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Changbin Zhao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Yuelin Deng
- Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China; Department of Animal Nutrition System, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Ming Pan
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Guodong Mo
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Zhiying Liao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Xiquan Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Dexiang Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China
| | - Hongmei Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong, 510642 China.
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Shi J, Ding F, Dai D, Song X, Wu X, Yan D, Han X, Tao G, Dai W. Noxa inhibits oncogenesis through ZNF519 in gastric cancer and is suppressed by hsa-miR-200b-3p. Sci Rep 2024; 14:6568. [PMID: 38503887 PMCID: PMC10951337 DOI: 10.1038/s41598-024-57099-7] [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: 11/12/2023] [Accepted: 03/14/2024] [Indexed: 03/21/2024] Open
Abstract
While Phorbol-12-myristate-13-acetate-induced protein 1 (Noxa/PMAIP1) assumes a pivotal role in numerous tumors, its clinical implications and underlying mechanisms of gastric cancer (GC) are yet enigmatic. In this investigation, our primary objective was to scrutinize the clinical relevance and potential mechanisms of Noxa in gastric cancer. Immunohistochemical analysis was conducted on tissue microarrays comprising samples from a meticulously characterized cohort of 84 gastric cancer patients, accompanied by follow-up data, to assess the expression of Noxa. Additionally, Noxa expression levels in gastric cancer clinical samples and cell lines were measured through quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis. The effect of Noxa expression on the prognosis of patients with gastric cancer was evaluated using Kaplan-Meier survival. Further insight into the role of Noxa in driving gastric cancer progression was gained through an array of experimental techniques, including cell viability assays (CCK8), plate cloning assays, transwell assays, scratch assays, and real-time cell analysis (RTCA). Potential upstream microRNAs (miRNAs) that might modulate Noxa were identified through rigorous bioinformatics analysis, substantiated by luciferase reporter assays and Western blot experiments. Additionally, we utilized RNA sequencing, qRT-PCR, and Western blot to identify proteins binding to Noxa and potential downstream target. Finally, we utilized BALB/c nude mice to explore the role of Noxa in vivo. Our investigation unveiled a marked downregulation of Noxa expression in gastric cancer and underscored its significance as a pivotal prognostic factor influencing overall survival (OS). Noxa overexpression exerted a substantial inhibitory effect on the proliferation, migration and invasion of GC cells. Bioinformatic analysis and dual luciferase reporter assays unveiled the capacity of hsa-miR-200b-3p to interact with the 3'-UTR of Noxa mRNA, thereby orchestrating a downregulation of Noxa expression in vitro, consequently promoting tumor progression in GC. Our transcriptome analysis, coupled with mechanistic validation, elucidated a role for Noxa in modulating the expression of ZNF519 in the Mitophagy-animal pathway. The depletion of ZNF519 effectively reversed the oncogenic attributes induced by Noxa. Upregulation of Noxa expression suppressed the tumorigenesis of GC in vivo. The current investigation sheds light on the pivotal role of the hsa-miR-200b-3p/Noxa/ZNF519 axis in elucidating the pathogenesis of gastric cancer, offering a promising avenue for targeted therapeutic interventions in the management of this challenging malignancy.
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Affiliation(s)
- Jin Shi
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Fan Ding
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Dezhu Dai
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Xudong Song
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Xu Wu
- Department of Vascular, Huaian Hospital Affiliated to Xuzhou Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Dongsheng Yan
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Xiao Han
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Guoquan Tao
- Department of Gastrointestinal Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China.
| | - Weijie Dai
- Department of Gastroenterology, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China.
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6
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Ma T, Song Q, Cheng B, Guo E, Wang X, Li M, Dai M, Li S, Feng S, Yu B. Proapoptotic effect of WS-299 induced by NOXA accumulation and NRF2-counterbalanced oxidative stress damage through targeting RBX1-UBE2M interaction in gastric cancers. Bioorg Chem 2024; 144:107142. [PMID: 38280358 DOI: 10.1016/j.bioorg.2024.107142] [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: 12/12/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 01/29/2024]
Abstract
The abnormal activation of Cullin RING E3 Ligases (CRLs) is closely associated with the occurrence and development of various cancers. Targeting the neddylation pathway represents an effective approach for cancer treatment. In this work, we reported that WS-299, structurally featuring a coumarin moiety attached to the triazolopyrimidine, exhibited excellent anti-proliferative activity in MGC-803 and HGC-27 cells. WS-299 exerted potent anticancer effects by inhibiting clone formation, EdU incorporation and inducing cell cycle arrest. WS-299 inhibited CUL3/5 neddylation and caused an obvious accumulation of Nrf2 and NOXA, substrates of CRL3 and CRL5, respectively. Biochemical studies showed that WS-299 inhibited CUL3 neddylation by inhibiting RBX1-UBE2M interaction. The anti-proliferative effect of WS-299 was mainly induced by NOXA-mediated apoptosis. Of note, Nrf2 attenuated WS-299-induced reactive oxygen species (ROS) levels. Furthermore, Nrf2 accumulation also had an antagonistic effect on NOXA-induced apoptosis. Therefore, WS-299 and siNrf2 synergistically increased ROS levels, apoptotic cells and suppressed tumor growth in vivo. Taken together, our research clarified the anti-cancer mechanisms of WS-299 through targeting the RBX1-UBE2M protein-protein interaction and inhibiting the neddylation modification of CUL3 and CUL5. More importantly, our studies also demonstrated that combination of WS-299 with shNrf2 could be an effective strategy for treating gastric cancers.
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Affiliation(s)
- Ting Ma
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Qianqian Song
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Bing Cheng
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Enhui Guo
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoru Wang
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Meng Li
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Mengge Dai
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Shaotong Li
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Siqi Feng
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China.
| | - Bin Yu
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China; Tianjian Laboratory of Advanced Biomedical Sciences, Institute of Advanced Biomedical Sciences, Zhengzhou University, Zhengzhou 450000, China.
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7
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Moriya S, Kazama H, Hino H, Takano N, Hiramoto M, Aizawa S, Miyazawa K. Clarithromycin overcomes stromal cell-mediated drug resistance against proteasome inhibitors in myeloma cells via autophagy flux blockage leading to high NOXA expression. PLoS One 2023; 18:e0295273. [PMID: 38039297 PMCID: PMC10691716 DOI: 10.1371/journal.pone.0295273] [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: 05/18/2023] [Accepted: 11/19/2023] [Indexed: 12/03/2023] Open
Abstract
We previously reported that macrolide antibiotics, such as clarithromycin (CAM), blocked autophagy flux, and simultaneous proteasome and autophagy inhibition by bortezomib (BTZ) plus CAM resulted in enhanced apoptosis induction in multiple myeloma (MM) cells via increased endoplasmic reticulum (ER) stress loading. However, in actual therapeutic settings, cell adhesion-mediated drug resistance between bone marrow stromal cells (BMSC) and MM cells has been known to be a barrier to treatment. To investigate whether CAM could enhance BTZ-induced cytotoxicity in MM cells under direct cell adhesion with BMSC, we established a co-culture system of EGFP-labeled MM cells with BMSC. The cytotoxic effect of BTZ on MM cells was diminished by its interaction with BMSC; however, the attenuated cytotoxicity was recovered by the co-administration of CAM, which upregulates ER stress loading and NOXA expression. Knockout of NOXA in MM cells canceled the enhanced cell death by CAM, indicating that NOXA is a key molecule for cell death induction by the co-administration of CAM. Since NOXA is degraded by autophagy as well as proteasomes, blocking autophagy with CAM resulted in the sustained upregulation of NOXA in MM cells co-cultured with BMSC in the presence of BTZ. Our data suggest that BMSC-associated BTZ resistance is mediated by the attenuation of ER stress loading. However, the addition of CAM overcomes BMSC-associated resistance via upregulation of NOXA by concomitantly blocking autophagy-mediated NOXA degradation and transcriptional activation of NOXA by ER stress loading.
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Affiliation(s)
- Shota Moriya
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
| | - Hiromi Kazama
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
| | - Hirotsugu Hino
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
- Division of Anatomical Science, Department of Functional Morphology, Nihon University School of Medicine, Tokyo, Japan
| | - Naoharu Takano
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
| | - Masaki Hiramoto
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
| | - Shin Aizawa
- Division of Anatomical Science, Department of Functional Morphology, Nihon University School of Medicine, Tokyo, Japan
| | - Keisuke Miyazawa
- Department of Biochemistry, Tokyo Medical University, Tokyo, Japan
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8
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Li Z, Zou J, Chen X. In Response to Precision Medicine: Current Subcellular Targeting Strategies for Cancer Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209529. [PMID: 36445169 DOI: 10.1002/adma.202209529] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 11/08/2022] [Indexed: 05/26/2023]
Abstract
Emerging as a potent anticancer treatment, subcellular targeted cancer therapy has drawn increasing attention, bringing great opportunities for clinical application. Here, two targeting strategies for four main subcellular organelles (mitochondria, lysosome, endoplasmic reticulum, and nucleus), including molecule- and nanomaterial (inorganic nanoparticles, micelles, organic polymers, and others)-based targeted delivery or therapeutic strategies, are summarized. Phototherapy, chemotherapy, radiotherapy, immunotherapy, and "all-in-one" combination therapy are among the strategies covered in detail. Such materials are constructed based on the specific properties and relevant mechanisms of organelles, enabling the elimination of tumors by inducing dysfunction in the corresponding organelles or destroying specific structures. The challenges faced by organelle-targeting cancer therapies are also summarized. Looking forward, a paradigm for organelle-targeting therapy with enhanced therapeutic efficacy compared to current clinical approaches is envisioned.
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Affiliation(s)
- Zheng Li
- Departments of Diagnostic Radiology, Surgery, Chemical and Biomolecular Engineering, and Biomedical Engineering, Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore, 119074, Singapore
- Nanomedicine Translational Research Program, NUS Center for Nanomedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Jianhua Zou
- Departments of Diagnostic Radiology, Surgery, Chemical and Biomolecular Engineering, and Biomedical Engineering, Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore, 119074, Singapore
- Nanomedicine Translational Research Program, NUS Center for Nanomedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Xiaoyuan Chen
- Departments of Diagnostic Radiology, Surgery, Chemical and Biomolecular Engineering, and Biomedical Engineering, Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore, 119074, Singapore
- Nanomedicine Translational Research Program, NUS Center for Nanomedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Clinical Imaging Research Centre, Centre for Translational Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore
- Institute of Molecular and Cell Biology, Agency for Science, Technology, and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore
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9
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Lasater EA, Amin DN, Bannerji R, Mali RS, Barrett K, Rys RN, Oeh J, Lin E, Sterne-Weiler T, Ingalla ER, Go M, Yu SF, Krem MM, Arthur C, Hahn U, Johnston A, Karur V, Khan N, Marlton P, Phillips T, Gritti G, Seymour JF, Tani M, Yuen S, Martin S, Chang MT, Rose CM, Pham VC, Polson AG, Chang Y, Wever C, Johnson NA, Jiang Y, Hirata J, Sampath D, Musick L, Flowers CR, Wertz IE. Targeting MCL-1 and BCL-2 with polatuzumab vedotin and venetoclax overcomes treatment resistance in R/R non-Hodgkin lymphoma: Results from preclinical models and a Phase Ib study. Am J Hematol 2023; 98:449-463. [PMID: 36594167 DOI: 10.1002/ajh.26809] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/01/2022] [Accepted: 12/06/2022] [Indexed: 01/04/2023]
Abstract
The treatment of patients with relapsed or refractory lymphoid neoplasms represents a significant clinical challenge. Here, we identify the pro-survival BCL-2 protein family member MCL-1 as a resistance factor for the BCL-2 inhibitor venetoclax in non-Hodgkin lymphoma (NHL) cell lines and primary NHL samples. Mechanistically, we show that the antibody-drug conjugate polatuzumab vedotin promotes MCL-1 degradation via the ubiquitin/proteasome system. This targeted MCL-1 antagonism, when combined with venetoclax and the anti-CD20 antibodies obinutuzumab or rituximab, results in tumor regressions in preclinical NHL models, which are sustained even off-treatment. In a Phase Ib clinical trial (NCT02611323) of heavily pre-treated patients with relapsed or refractory NHL, 25/33 (76%) patients with follicular lymphoma and 5/17 (29%) patients with diffuse large B-cell lymphoma achieved complete or partial responses with an acceptable safety profile when treated with the recommended Phase II dose of polatuzumab vedotin in combination with venetoclax and an anti-CD20 antibody.
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Affiliation(s)
- Elisabeth A Lasater
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Dhara N Amin
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, California, USA.,Department of Early Discovery Biochemistry, Genentech, Inc., South San Francisco, California, USA
| | - Rajat Bannerji
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey, USA
| | - Raghuveer Singh Mali
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Kathy Barrett
- Department of Biomarker Development, Genentech, Inc., South San Francisco, California, USA
| | - Ryan N Rys
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Jason Oeh
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Eva Lin
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Tim Sterne-Weiler
- Department of Oncology Bioinformatics, Genentech, Inc., South San Francisco, California, USA
| | - Ellen Rei Ingalla
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - MaryAnn Go
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Shang-Fan Yu
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Maxwell M Krem
- Markey Cancer Center, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Chris Arthur
- Royal North Shore Hospital (RNSH), Sydney, New South Wales, Australia
| | - Uwe Hahn
- The Queen Elizabeth Hospital (TQEH), Adelaide, South Australia, Australia
| | - Anna Johnston
- Royal Hobart Hospital (RHH), Hobart, Tasmania, Australia
| | - Vinit Karur
- Baylor Scott & White Healthcare, Temple, Texas, USA
| | - Nadia Khan
- Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
| | - Paula Marlton
- Princess Alexandra Hospital, and University of Queensland, Brisbane, Queensland, Australia
| | - Tycel Phillips
- University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA
| | - Giuseppe Gritti
- Hematology and Bone Marrow Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - John F Seymour
- Peter MacCallum Cancer Centre, Royal Melbourne Hospital, and University of Melbourne, Melbourne, Victoria, Australia
| | - Monica Tani
- Ospedale S. Maria delle Croci, Ravenna, Italy
| | - Sam Yuen
- Calvary Mater Newcastle, Waratah, New South Wales, Australia
| | - Scott Martin
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Matthew T Chang
- Department of Oncology Bioinformatics, Genentech, Inc., South San Francisco, California, USA
| | - Christopher M Rose
- Department of Microchemistry, Proteomics and Lipidomics, Genentech, Inc., South San Francisco, California, USA
| | - Victoria C Pham
- Department of Microchemistry, Proteomics and Lipidomics, Genentech, Inc., South San Francisco, California, USA
| | - Andrew G Polson
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - YiMeng Chang
- Hoffmann-La Roche Ltd, Mississauga, Ontario, Canada
| | - Claudia Wever
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Nathalie A Johnson
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Yanwen Jiang
- Department of Biomarker Development, Genentech, Inc., South San Francisco, California, USA
| | - Jamie Hirata
- Product Development Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Deepak Sampath
- Department of Translational Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Lisa Musick
- Product Development Oncology, Genentech, Inc., South San Francisco, California, USA
| | - Christopher R Flowers
- Department of Lymphoma and Myeloma, UT MD Anderson Cancer Center, Houston, Texas, USA
| | - Ingrid E Wertz
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, California, USA.,Department of Early Discovery Biochemistry, Genentech, Inc., South San Francisco, California, USA
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10
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Farasati Far B, Vakili K, Fathi M, Yaghoobpoor S, Bhia M, Naimi-Jamal MR. The role of microRNA-21 (miR-21) in pathogenesis, diagnosis, and prognosis of gastrointestinal cancers: A review. Life Sci 2023; 316:121340. [PMID: 36586571 DOI: 10.1016/j.lfs.2022.121340] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/16/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs regulating the expression of several target genes. miRNAs play a significant role in cancer biology, as they can downregulate their corresponding target genes by impeding the translation of mRNA (at the mRNA level) as well as degrading mRNAs by binding to the 3'-untranslated (UTR) regions (at the protein level). miRNAs may be employed as cancer biomarkers. Therefore, miRNAs are widely investigated for early detection of cancers which can lead to improved survival rates and quality of life. This is particularly important in the case of gastrointestinal cancers, where early detection of the disease could substantially impact patients' survival. MicroRNA-21 (miR-21 or miRNA-21) is one of the most frequently researched miRNAs, where it is involved in the pathophysiology of cancer and the downregulation of several tumor suppressor genes. In gastrointestinal cancers, miR-21 regulates phosphatase and tensin homolog (PTEN), programmed cell death 4 (PDCD4), mothers against decapentaplegic homolog 7 (SMAD7), phosphatidylinositol 3-kinase /protein kinase B (PI3K/AKT), matrix metalloproteinases (MMPs), β-catenin, tropomyosin 1, maspin, and ras homolog gene family member B (RHOB). In this review, we investigate the functions of miR-21 in pathogenesis and its applications as a diagnostic and prognostic cancer biomarker in four different gastrointestinal cancers, including colorectal cancer (CRC), pancreatic cancer (PC), gastric cancer (GC), and esophageal cancer (EC).
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Affiliation(s)
- Bahareh Farasati Far
- Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Kimia Vakili
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mobina Fathi
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shirin Yaghoobpoor
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mohammed Bhia
- Student Research Committee, Department of Pharmaceutics and Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - M Reza Naimi-Jamal
- Department of Chemistry, Iran University of Science and Technology, Tehran, Iran.
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11
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Hengst JA, Nduwumwami AJ, Yun JK. Regulatory Role of Sphingosine-1-Phosphate and C16:0 Ceramide, in Immunogenic Cell Death of Colon Cancer Cells Induced by Bak/Bax-Activation. Cancers (Basel) 2022; 14:5182. [PMID: 36358599 PMCID: PMC9657779 DOI: 10.3390/cancers14215182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 12/25/2023] Open
Abstract
We recently identified the sphingosine kinases (SphK1/2) as key intracellular regulators of immunogenic cell death (ICD) in colorectal cancer (CRC) cells. To better understand the mechanism by which SphK inhibition enhances ICD, we focused on the intracellular signaling pathways leading to cell surface exposure of calreticulin (ectoCRT). Herein, we demonstrate that ABT-263 and AZD-5991, inhibitors of Bcl-2/Bcl-XL and Mcl-1, respectively, induce the production of ectoCRT, indicative of ICD. Inhibition of SphK1 significantly enhanced ABT/AZD-induced ectoCRT production, in a caspase 8-dependent manner. Mechanistically, we demonstrate that ABT/AZD-induced Bak/Bax activation stimulates pro-survival SphK1/sphingosine-1-phosphate (S1P) signaling, which attenuates ectoCRT production. Additionally, we identified a regulatory role for ceramide synthase 6 (CerS6)/C16:0 ceramide in transporting of ectoCRT to the cell surface. Together, these results indicate that the sphingolipid metabolic regulators of the sphingolipid rheostat, S1P and C16:0 ceramide, influence survival/death decisions of CRC cells in response to ICD-inducing chemotherapeutic agents. Importantly, SphK1, which produces S1P, is a stress-responsive pro-survival lipid kinase that suppresses ICD. While ceramide, produced by the inhibition of SphK1 is required for production of the cell surface marker of ICD, ectoCRT. Thus, inhibition of SphK1 represents a means to enhance the therapeutic efficacy of ICD-inducing agents.
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Affiliation(s)
- Jeremy A. Hengst
- Department of Pharmacology, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA
| | - Asvelt J. Nduwumwami
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd, Houston, TX 77030, USA
| | - Jong K. Yun
- Department of Pharmacology, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA
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12
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Pervaiz A, Saleem T, Kanwal K, Raza SM, Iqbal S, Zepp M, Georges RB, Berger MR. Expression profiling of anticancer genes in colorectal cancer patients and their in vitro induction by riproximin, a ribosomal inactivating plant protein. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04410-6. [PMID: 36251065 DOI: 10.1007/s00432-022-04410-6] [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: 09/05/2022] [Accepted: 10/06/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Ectopic expression of anticancer genes (ACGs) imposes antineoplastic effects on transformed cells. Clinically, reduced expression of these genes has been linked with poor prognosis, metastasis and chemo/radiotherapy resistance in cancers. Identifying expression pattern of ACGs is crucial to establish their prognostic and therapeutic relevance in colorectal cancer (CRC). In addition to the clinical perspective, naturally occurring compounds can be explored in parallel for inducing ACGs to achieve cancer cell-specific death. METHODOLOGY Expression profiles of three ACGs (NOXA, PAR-4, TRAIL) were identified via real-time PCR in CRC clinical isolates. Time lapse-based expression modifications in ACGs were studied in a CRC liver metastasis animal model using microarray methodology. Effects of a purified plant protein (riproximin) on selected ACGs were identified in three primary and metastatic CRC cell lines by real-time PCR. Lastly, importance of the ACGs in a cellular environment was highlighted via bioinformatic analysis. RESULTS ACGs (except NOXA) were persistently downregulated in clinical isolates when comparing the overall mean expression values with normal mucosa levels. In vivo studies showed a prominent inhibition of NOXA and PAR-4 genes in implanted CRC cells during rat liver colonization. TRAIL showed deviation from this theme while showing marked induction during the early period of liver colonization (days 3 and 6 after CRC cell implantation). Riproximin exhibited substantial potential of inducing ACGs at transcriptome levels in selected CRC cell lines. Bioinformatic analysis showed that vital molecular/functional aspects of a cell are associated with the presence of ACGs. CONCLUSION ACGs are downregulated in primary and metastatic phase of CRC. Riproximin effectively induces ACGs in CRC cells and can be exploited for clinical investigations over time.
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Affiliation(s)
- Asim Pervaiz
- Institute of Biomedical and Allied Health Sciences, University of Health Sciences, Lahore, Pakistan.
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany.
| | - Talha Saleem
- Institute of Biomedical and Allied Health Sciences, University of Health Sciences, Lahore, Pakistan
- Department of Allied Health Sciences, Superior University, Lahore, Pakistan
| | - Kinzah Kanwal
- Institute of Biomedical and Allied Health Sciences, University of Health Sciences, Lahore, Pakistan
| | - Syed Mohsin Raza
- Institute of Biomedical and Allied Health Sciences, University of Health Sciences, Lahore, Pakistan
| | - Sana Iqbal
- Human Genetics and Molecular Biology Department, University of Health Sciences, Lahore, Pakistan
| | - Michael Zepp
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Immundiagnostik, Bensheim, Germany
| | - Rania B Georges
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Coordination Centre for Clinical Trials, University Hospital, Heidelberg, Germany
| | - Martin R Berger
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Immundiagnostik, Bensheim, Germany
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13
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Guo Y, Zhang L, Zhang N, Chen L, Luo Q, Liu M, Yang D, Chen J. Bcl-2 and Noxa are potential prognostic indicators for patients with gastroenteropancreatic neuroendocrine neoplasms. Endocrine 2022; 78:159-168. [PMID: 35895181 DOI: 10.1007/s12020-022-03114-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 06/12/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE Bcl-2 family proteins are of great significance in the pathogenesis and development of tumors. In this study, the correlations between the expression of Bcl-2 family proteins and clinicopathological features and prognosis of neuroendocrine neoplasms (NENs) were further investigated. METHODS 105 Patients diagnosed with gastroenteropancreatic NENs (GEP-NENs) with the paraffin specimen of the tumor available were retrospectively included. Immunohistochemistry (IHC) was performed to detect the expression of Bcl-2 family proteins in paraffin-embedded samples. Student's t-test and Chi-square test were applied to compare the difference of quantitative and categorical variables, respectively. Survival analysis was conducted according to Kaplan-Meier method. Univariate and multivariate cox regression analysis were used to identify the independent prognostic factors. RESULTS The IHC score of Bcl-2 was significantly higher in neuroendocrine carcinoma (NEC) patients (65.6%), while a higher IHC score of Noxa was more common in neuroendocrine tumor (NET) patients (49.3%). Survival analysis indicated that patients with higher Bcl-2 expression and lower Noxa expression had worse 5-year survival (39.3% vs. 75.6%, p < 0.001; 40.6% vs. 84.9%, p < 0.001). Multivariate cox analysis indicated that high Bcl-2 expression was an independent factor associated with inferior DFS (hazard ratio [HR]: 2.092; 95% confidence interval [CI]: 1.106-3.955; p = 0.023) and OS (HR: 2.784; 95% CI: 1.326-5.846; p = 0.007), while higher Noxa expression was associated with superior DFS (HR:0.398; 95% CI: 0.175-0.907; p = 0.028) and OS (HR: 0.274; 95% CI: 0.110-0.686; p = 0.006). CONCLUSIONS Higher expression of Bcl-2 and lower expression of Noxa were associated with unfavorable prognosis of GEP-NENs patients.
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Affiliation(s)
- Yu Guo
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Lin Zhang
- Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
- Department of Clinical Laboratory, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Ning Zhang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Luohai Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Qiuyun Luo
- Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Man Liu
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Dajun Yang
- Department of Experimental Research, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.
| | - Jie Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
- Center for Neuroendocrine Tumors, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
- Department of Head & Neck tumors and Neuroendocrine Tumors, Fudan University Shanghai Cancer Center Shanghai, Shanghai, 200032, China.
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14
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Asuzu DT, Alvarez R, Fletcher PA, Mandal D, Johnson K, Wu W, Elkahloun A, Clavijo P, Allen C, Maric D, Ray-Chaudhury A, Rajan S, Abdullaev Z, Nwokoye D, Aldape K, Nieman LK, Stratakis C, Stojilkovic SS, Chittiboina P. Pituitary adenomas evade apoptosis via noxa deregulation in Cushing's disease. Cell Rep 2022; 40:111223. [PMID: 36001971 PMCID: PMC9527711 DOI: 10.1016/j.celrep.2022.111223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 06/03/2022] [Accepted: 07/26/2022] [Indexed: 12/13/2022] Open
Abstract
Sporadic pituitary adenomas occur in over 10% of the population. Hormone-secreting adenomas, including those causing Cushing’s disease (CD), cause severe morbidity and early mortality. Mechanistic studies of CD are hindered by a lack of in vitro models and control normal human pituitary glands. Here, we surgically annotate adenomas and adjacent normal glands in 25 of 34 patients. Using single-cell RNA sequencing (RNA-seq) analysis of 27594 cells, we identify CD adenoma transcriptomic signatures compared with adjacent normal cells, with validation by bulk RNA-seq, DNA methylation, qRT-PCR, and immunohistochemistry. CD adenoma cells include a subpopulation of proliferating, terminally differentiated corticotrophs. In CD adenomas, we find recurrent promoter hypomethylation and transcriptional upregulation of PMAIP1 (encoding pro-apoptotic BH3-only bcl-2 protein noxa) but paradoxical noxa downregulation. Using primary CD adenoma cell cultures and a corticotroph-enriched mouse cell line, we find that selective proteasomal inhibition with bortezomib stabilizes noxa and induces apoptosis, indicating its utility as an anti-tumor agent. Asuzu et al. perform single-cell transcriptomic profiling in Cushing’s disease (CD) adenomas and find overexpression and DNA hypomethylation of PMAIP1, which encodes the pro-apoptotic protein noxa. Noxa is degraded by the proteasome. Proteasomal inhibition rescues noxa and induces apoptosis in CD.
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Affiliation(s)
- David T Asuzu
- Neurosurgery Unit for Pituitary and Inheritable Diseases, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Room 3D20, Bethesda, MD 20892, USA; Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA; Department of Neurosurgery, University of Virginia, Charlottesville, VA, USA
| | - Reinier Alvarez
- Neurosurgery Unit for Pituitary and Inheritable Diseases, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Room 3D20, Bethesda, MD 20892, USA; Florida International University Herbert Wertheim College of Medicine, Miami, FL, USA
| | - Patrick A Fletcher
- Laboratory of Biological Modeling, National Institute of Diabetes, Digestive and Kidney Diseases, Bethesda, MD, USA
| | - Debjani Mandal
- Neurosurgery Unit for Pituitary and Inheritable Diseases, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Room 3D20, Bethesda, MD 20892, USA
| | - Kory Johnson
- DIR Bioinformatics Section, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
| | - Weiwei Wu
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, Bethesda, MD, USA
| | - Abdel Elkahloun
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, Bethesda, MD, USA
| | - Paul Clavijo
- Translational Tumor Immunology Program, National Institute on Deafness and Other Communication Disorders, Bethesda, MD, USA
| | - Clint Allen
- Translational Tumor Immunology Program, National Institute on Deafness and Other Communication Disorders, Bethesda, MD, USA
| | - Dragan Maric
- Flow and Imaging Cytometry Core Facility, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
| | - Abhik Ray-Chaudhury
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA; Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Sharika Rajan
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Zied Abdullaev
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Diana Nwokoye
- Neurosurgery Unit for Pituitary and Inheritable Diseases, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Room 3D20, Bethesda, MD 20892, USA
| | - Kenneth Aldape
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Lynnette K Nieman
- Section on Translational Endocrinology, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, USA
| | - Constantine Stratakis
- Section on Endocrinology and Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA
| | - Stanko S Stojilkovic
- Section on Cellular Signaling, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA
| | - Prashant Chittiboina
- Neurosurgery Unit for Pituitary and Inheritable Diseases, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Room 3D20, Bethesda, MD 20892, USA; Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA.
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15
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ML323, a USP1 inhibitor triggers cell cycle arrest, apoptosis and autophagy in esophageal squamous cell carcinoma cells. Apoptosis 2022; 27:545-560. [DOI: 10.1007/s10495-022-01736-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2022] [Indexed: 01/18/2023]
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16
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The BCL-2 inhibitor ABT-199/venetoclax synergizes with proteasome inhibition via transactivation of the MCL-1 antagonist NOXA. Cell Death Dis 2022; 8:215. [PMID: 35443750 PMCID: PMC9021261 DOI: 10.1038/s41420-022-01009-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/29/2022] [Accepted: 03/29/2022] [Indexed: 12/31/2022]
Abstract
Enhanced expression of anti-apoptotic B-cell lymphoma 2 (BCL-2) protein is frequent in cancer. Targeting of BCL-2 with the specific inhibitor ABT-199 (Venetoclax) has significant clinical activity in malignant diseases such as chronic lymphocytic leukemia and multiple myeloma. The small molecule drug ABT-199 mimics the pro-apoptotic BCL-2 homology domain 3 of BH3-only proteins and blocks the hydrophobic BC-groove in BCL-2. We have previously shown that ABT-199 synergizes with the proteasome inhibitor (PI) bortezomib in soft tissue sarcoma derived cells and cell lines to induce apoptosis. Synergistic apoptosis induction relies on the pore-forming effector BAX and expression of the pro-apoptotic BH3-only protein NOXA. Bortezomib augments expression of NOXA by blocking its proteasomal degradation. Interestingly, shown here for the first time, expression of NOXA is strongly enhanced by ABT-199 induced integrated stress response (ISR). ISR transcription factors ATF3 & ATF4 mediate transactivation of the BH3-only protein NOXA which specifically inhibits the anti-apoptotic MCL-1. Thus, NOXA potentiates the efficacy of the BCL-2 inhibitor ABT-199 by simultaneous inhibition of MCL-1. Hence, ABT-199 has a double impact by directly blocking anti-apoptotic BCL-2 and inhibiting MCL-1 via transactivated NOXA. By preventing degradation of NOXA PIs synergize with ABT-199. Synergism of ABT-199 and PIs therefore occurs on several, previously unexpected levels. This finding should prompt clinical evaluation of combinatorial regimens in further malignancies.
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Identification of NOXA as a pivotal regulator of resistance to CAR T-cell therapy in B-cell malignancies. Signal Transduct Target Ther 2022; 7:98. [PMID: 35370290 PMCID: PMC8977349 DOI: 10.1038/s41392-022-00915-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/25/2022] [Accepted: 01/31/2022] [Indexed: 01/01/2023] Open
Abstract
AbstractDespite the remarkable success of chimeric antigen receptor (CAR) T-cell therapy for treating hematologic malignancies, resistance and recurrence still occur, while the markers or mechanisms underlying this resistance remain poorly understood. Here, via an unbiased genome-wide CRISPR/Cas9 screening, we identified loss of NOXA, a B-cell lymphoma 2 (BCL2) family protein in B-cell malignancies, as a pivotal regulator of resistance to CAR T-cell therapy by impairing apoptosis of tumor cells both in vitro and in vivo. Notably, low NOXA expression in tumor samples was correlated with worse survival in a tandem CD19/20 CAR T clinical trial in relapsed/refractory B-cell lymphoma. In contrast, pharmacological augmentation of NOXA expression by histone deacetylase (HDAC) inhibitors dramatically sensitized cancer cells to CAR T cell-mediated clearance in vitro and in vivo. Our work revealed the essentiality of NOXA in resistance to CAR T-cell therapy and suggested NOXA as a predictive marker for response and survival in patients receiving CAR T-cell transfusions. Pharmacological targeting of NOXA might provide an innovative therapeutic strategy to enhance CAR T-cell therapy.
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Roufayel R, Younes K, Al-Sabi A, Murshid N. BH3-Only Proteins Noxa and Puma Are Key Regulators of Induced Apoptosis. Life (Basel) 2022; 12:life12020256. [PMID: 35207544 PMCID: PMC8875537 DOI: 10.3390/life12020256] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 12/29/2022] Open
Abstract
Apoptosis is an evolutionarily conserved and tightly regulated cell death pathway. Physiological cell death is important for maintaining homeostasis and optimal biological conditions by continuous elimination of undesired or superfluous cells. The BH3-only pro-apoptotic members are strong inducers of apoptosis. The pro-apoptotic BH3-only protein Noxa activates multiple death pathways by inhibiting the anti-apoptotic Bcl-2 family protein, Mcl-1, and other protein members leading to Bax and Bak activation and MOMP. On the other hand, Puma is induced by p53-dependent and p53-independent apoptotic stimuli in several cancer cell lines. Moreover, this protein is involved in several physiological and pathological processes, such as immunity, cancer, and neurodegenerative diseases. Future heat shock research could disclose the effect of hyperthermia on both Noxa and BH3-only proteins. This suggests post-transcriptional mechanisms controlling the translation of both Puma and Noxa mRNA in heat-shocked cells. This study was also the chance to recapitulate the different reactional mechanisms investigated for caspases.
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19
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Fares HM, Lyu X, Xu X, Dong R, Ding M, Mi S, Wang Y, Li X, Yuan S, Sun L. Autophagy in cancer: The cornerstone during glutamine deprivation. Eur J Pharmacol 2022; 916:174723. [PMID: 34973953 DOI: 10.1016/j.ejphar.2021.174723] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/13/2021] [Accepted: 12/20/2021] [Indexed: 12/19/2022]
Abstract
Over the past two decades, researchers have revealed the crucial functions of glutamine in supporting the hyperproliferation state of cancer cells. Glutamine acts on maintaining high energy production, supporting redox status and amino acid homeostasis. Therefore, cancer cells exhibit excessive uptake of the extracellular glutamine, synthesize it in some cases, and recycle intracellular and extracellular proteins to provide an additional source of glutamine to satisfy the increasing glutamine demand. On the other hand, autophagy's role is still debated regarding tumor initiation and progression. However, most cancer cells urgently need autophagy to overcome the existential threats during glutamine restriction stress. Downstream to various stress pathways induced during such a condition, autophagy is considered an indispensable cytoprotective tool to maintain cell integrity and survival. However, the overactivation of the autophagy process is related to lethal consequences. This review summarized glutamine pathways to control autophagy and highlighted autophagy's primary activation pathways, and discussed the roles during glutamine deprivation.
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Affiliation(s)
- Hamza M Fares
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xiaodan Lyu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xiaoting Xu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Renchao Dong
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Muyao Ding
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Shichao Mi
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Yifan Wang
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xue Li
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Shengtao Yuan
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Li Sun
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China.
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20
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Epigenetic Priming with Decitabine Augments the Therapeutic Effect of Cisplatin on Triple-Negative Breast Cancer Cells through Induction of Proapoptotic Factor NOXA. Cancers (Basel) 2022; 14:cancers14010248. [PMID: 35008411 PMCID: PMC8749981 DOI: 10.3390/cancers14010248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/24/2021] [Accepted: 12/29/2021] [Indexed: 12/10/2022] Open
Abstract
Epigenetic alterations caused by aberrant DNA methylation have a crucial role in cancer development, and the DNA-demethylating agent decitabine, is used to treat hematopoietic malignancy. Triple-negative breast cancers (TNBCs) have shown sensitivity to decitabine; however, the underlying mechanism of its anticancer effect and its effectiveness in treating TNBCs are not fully understood. We analyzed the effects of decitabine on nine TNBC cell lines and examined genes associated with its cytotoxic effects. According to the effect of decitabine, we classified the cell lines into cell death (D)-type, growth inhibition (G)-type, and resistant (R)-type. In D-type cells, decitabine induced the expression of apoptotic regulators and, among them, NOXA was functionally involved in decitabine-induced apoptosis. In G-type cells, induction of the cyclin-dependent kinase inhibitor, p21, and cell cycle arrest were observed. Furthermore, decitabine enhanced the cytotoxic effect of cisplatin mediated by NOXA in D-type and G-type cells. In contrast, the sensitivity to cisplatin was high in R-type cells, and no enhancing effect by decitabine was observed. These results indicate that decitabine enhances the proapoptotic effect of cisplatin on TNBC cell lines that are less sensitive to cisplatin, indicating the potential for combination therapy in TNBC.
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21
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Liu Z, Shah N, Marshall KL, Sprowls SA, Saralkar P, Mohammad A, Blethen KE, Arsiwala TA, Fladeland R, Lockman PR, Gao W. Overcoming the acquired resistance to gefitinib in lung cancer brain metastasis in vitro and in vivo. Arch Toxicol 2021; 95:3575-3587. [PMID: 34455456 PMCID: PMC9511176 DOI: 10.1007/s00204-021-03147-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/19/2021] [Indexed: 10/24/2022]
Abstract
In our previous work, PC-9-Br, a PC-9 brain seeking line established via a preclinical animal model of lung cancer brain metastasis (LCBM), exhibited not only resistance to epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) gefitinib in vitro, but also chemotherapy regimens of cisplatin plus etoposide in vivo. Using this cell line, we investigated novel potential targeted therapeutics for treating LCBM in vitro and in vivo to combat drug resistance. Significant increases in mRNA and protein expression levels of Bcl-2 were found in PC-9-Br compared with parental PC-9 (PC-9-P), but no significant changes of Bcl-XL were observed. A remarkable synergistic effect between EGFR-TKI gefitinib and Bcl-2 inhibitors ABT-263 (0.17 ± 0.010 µM at 48 h and 0.02 ± 0.004 µM at 72 h), or ABT-199 (0.22 ± 0.008 µM at 48 h and 0.02 ± 0.001 µM at 72 h) to overcome acquired resistance to gefitinib (> 0.5 µM at 48 h and 0.10 ± 0.007 µM at 72 h) in PC-9-Br was observed in MTT assays. AZD9291 was also shown to overcome acquired resistance to gefitinib in PC-9-Br in MTT assays (0.23 ± 0.031 µM at 48 h and 0.03 ± 0.008 µM at 72 h). Western blot showed significantly decreased phospho-Erk1/2 and increased cleaved-caspase-3 expressions were potential synergistic mechanisms for gefitinib + ABT263/ABT199 in PC-9-Br. Significantly decreased protein expressions of phospho-EGFR, phospho-Akt, p21, and survivin were specific synergistic mechanism for gefitinib + ABT199 in PC-9-Br. In vivo studies demonstrated afatinib (30 mg/kg) and AZD9291 (25 mg/kg) could significantly reduce the LCBM in vivo and increase survival percentages of treated mice compared with mice treated with vehicle and gefitinib (6.25 mg/kg). In conclusion, our study demonstrated gefitinib + ABT263/ABT199, afatinib, and AZD9291 have clinical potential to treat LCBM.
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Affiliation(s)
- Zhongwei Liu
- Department of Occupational and Environmental Health Sciences, School of Public Health, West Virginia University, 64 Medical Center Drive, Morgantown, WV, 26505, USA
| | - Neal Shah
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
- School of Medicine, West Virginia University, Morgantown, USA
| | - Kent L Marshall
- Department of Occupational and Environmental Health Sciences, School of Public Health, West Virginia University, 64 Medical Center Drive, Morgantown, WV, 26505, USA
- School of Medicine, West Virginia University, Morgantown, USA
- West Virginia Clinical and Translational Science Institute, Morgantown, USA
| | - Samuel A Sprowls
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Pushkar Saralkar
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Afroz Mohammad
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Kathryn E Blethen
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Tasneem A Arsiwala
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Ross Fladeland
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA
| | - Paul R Lockman
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, 108 Biomedical Drive, Morgantown, WV, 26506, USA.
| | - Weimin Gao
- Department of Occupational and Environmental Health Sciences, School of Public Health, West Virginia University, 64 Medical Center Drive, Morgantown, WV, 26505, USA.
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22
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Kobayashi T, Makino T, Yamashita K, Saito T, Tanaka K, Takahashi T, Kurokawa Y, Yamasaki M, Nakajima K, Morii E, Eguchi H, Doki Y. APR-246 induces apoptosis and enhances chemo-sensitivity via activation of ROS and TAp73-Noxa signal in oesophageal squamous cell cancer with TP53 missense mutation. Br J Cancer 2021; 125:1523-1532. [PMID: 34599296 DOI: 10.1038/s41416-021-01561-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 08/08/2021] [Accepted: 09/17/2021] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Mutations in p53, identified in 90% of oesophageal squamous cell carcinoma (ESCC), are associated with unfavourable prognosis and chemo-resistance. APR-246 induces apoptosis by restoring transcriptional ability of mutant p53, and may be a promising therapeutic agent to overcome chemo-resistance in ESCC. METHODS In ESCC cell lines differing in p53 status, we performed in vitro cell viability and apoptosis assays, evaluated reactive oxygen species (ROS) generation, and assessed signal changes by western blot after APR-246 administration with/without chemo-agent. Antitumour effects and signal changes were evaluated in in vivo experiments using xenograft and patient-derived xenograft (PDX) mouse models. RESULTS APR-246 administration induced significant apoptosis by upregulating p73 and Noxa via ROS induction in ESCC cell lines harbouring p53 missense mutations. Moreover, APR-246 plus chemotherapy exerted combined antitumour effects in ESCC with p53 missense mutations. This effect was also mediated through enhanced ROS activity, leading to massive apoptosis via upregulation of p73 and Noxa. These findings were confirmed by xenograft and PDX models with p53 mutant ESCC. CONCLUSION APR-246 strongly induced apoptosis by inducing ROS activity and p73-Noxa signalling, specifically in ESCC with p53 missense mutation. This antitumour effect was further enhanced by combination with 5-FU, which we first confirmed in ESCC preclinical model.
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Affiliation(s)
- Teruyuki Kobayashi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Tomoki Makino
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan.
| | - Kotaro Yamashita
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Takuro Saito
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Koji Tanaka
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Tsuyoshi Takahashi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yukinori Kurokawa
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Makoto Yamasaki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kiyokazu Nakajima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Eiichi Morii
- Department of Pathology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
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Contreras L, Medina S, Schiaffino Bustamante AY, Borrego EA, Valenzuela CA, Das U, Karki SS, Dimmock JR, Aguilera RJ. Three novel piperidones exhibit tumor-selective cytotoxicity on leukemia cells via protein degradation and stress-mediated mechanisms. Pharmacol Rep 2021; 74:159-174. [PMID: 34448104 PMCID: PMC8786778 DOI: 10.1007/s43440-021-00322-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 08/12/2021] [Accepted: 08/14/2021] [Indexed: 01/06/2023]
Abstract
Background Cancer is an ongoing worldwide health problem. Although chemotherapy remains the mainstay therapy for cancer, it is not always effective and has detrimental side effects. Here, we present piperidone compounds P3, P4, and P5 that selectively target cancer cells via protein- and stress-mediated mechanisms. Methods We assessed typical apoptotic markers including phosphatidylserine externalization, caspase-3 activation, and DNA fragmentation through flow cytometry. Then, specific markers of the intrinsic pathway of apoptosis including the depolarization of the mitochondria and the generation of reactive oxygen species (ROS) were investigated. Finally, we utilized western blot techniques, RT-qPCR, and observed the cell cycle profile after compound treatment to evaluate the possible behavior of these compounds as proteasome inhibitors. For statistical analyses, we employed the one-way ANOVA followed by Bonferroni post hoc test. Results P3, P4, and P5 induce cytotoxic effects towards tumorigenic cells, as opposed to non-cancerous cells, at the low micromolar range. Compound treatment leads to the activation of the intrinsic pathway of apoptosis. The accumulation of poly-ubiquitinated proteins and the pro-apoptotic protein Noxa, both typically observed after proteasome inhibition, occurs after P3, P4, and P5 treatment. The stress-related genes PMAIP1, ATF3, CHAC1, MYC, and HMOX-1 were differentially regulated to contribute to the cytotoxic activity of P3–P5. Finally, compound P5 causes cell cycle arrest at the G2/M phase. Conclusion Taken together, compounds P3, P4, and P5 exhibit strong potential as anticancer drug candidates as shown by strong cytotoxic potential, activation of the intrinsic pathway of apoptosis, and show typical proteasome inhibitor characteristics. Supplementary Information The online version contains supplementary material available at 10.1007/s43440-021-00322-3.
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Affiliation(s)
- Lisett Contreras
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Stephanie Medina
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Austre Y Schiaffino Bustamante
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Edgar A Borrego
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Carlos A Valenzuela
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Umashankar Das
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, S7N 5E5, Canada
| | - Subhas S Karki
- Department of Pharmaceutical Chemistry, Dr. Prabhakar B. Kore Basic Science Research Center, Off-Campus, KLE College of Pharmacy, (A Constituent Unit of KAHER-Belagavi), Bengaluru, Karnataka, 560010, India
| | - Jonathan R Dimmock
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, S7N 5E5, Canada
| | - Renato J Aguilera
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA.
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Park J, Han JH, Myung SH, Chung HJ, Park JI, Cho JY, Kim TH. Mitochondrial Targeting Domain Homologs Induce Necrotic Cell Death Via Mitochondrial and Endoplasmic Reticulum Disruption. J Microbiol Biotechnol 2021; 31:875-881. [PMID: 34024890 PMCID: PMC9705834 DOI: 10.4014/jmb.2104.04021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/15/2022]
Abstract
The mitochondrial targeting domain (MTD) of Noxa contributes to its mitochondrial localization and to apoptosis induction. As a peptide, MTD fused with octa-arginine (R8), a CPP, induces necrosis related to intracellular calcium influx and destruction of mitochondria and endoplasmic reticulum. We searched for homologs of MTD, and compared their cell killing capability when fused with R8. Three of the seven peptides triggered cell death with similar mechanisms. The comparative analysis of peptide sequences showed that four amino acid sites of MTD are critical in regulating necrosis, suggesting the potential to generate artificial, adjustable cytotoxic peptides, which could be effective medicines for many diseases. Thus, homologs functionality could hint to the functions of their belonging proteins.
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Affiliation(s)
- Junghee Park
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju 61452, Republic of Korea
| | - Ji-Hye Han
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju 61452, Republic of Korea
| | - Seung-Hyun Myung
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju 61452, Republic of Korea
| | - Hea-jong Chung
- Gwangju Center, Korea Basic Science Institute, Gwangju 61168, Republic of Korea
| | - Jae-il Park
- Gwangju Center, Korea Basic Science Institute, Gwangju 61168, Republic of Korea
| | - Ju-Yeon Cho
- Department of Medicine, Chosun University Hospital, Gwangju 61453, Republic of Korea
| | - Tae-Hyoung Kim
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju 61452, Republic of Korea,Corresponding author Phone: +82-62-230-6294 Fax: +82-62-226-4165 E-mail:
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25
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Lohberger B, Glaenzer D, Eck N, Steinecker-Frohnwieser B, Leithner A, Rinner B, Kerschbaum-Gruber S, Georg D. Effects of a combined therapy of bortezomib and ionizing radiation on chondrosarcoma three-dimensional spheroid cultures. Oncol Lett 2021; 21:428. [PMID: 33868466 PMCID: PMC8045153 DOI: 10.3892/ol.2021.12689] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 03/03/2021] [Indexed: 12/27/2022] Open
Abstract
Chondrosarcomas represent a heterogeneous group of primary bone cancers that are characterized by hyaline cartilaginous neoplastic tissue and are predominantly resistant to radiation and chemotherapy. However, adjuvant radiotherapy is often recommended in inoperable cases or after incomplete resections. To improve the efficiency of treatment, the present study tested a combination therapy with ionizing radiation (IR) and the proteasome inhibitor bortezomib. Using a three-dimensional (3D) spheroid model, 0-20 Gy of IR was applied to chondrosarcoma cells and healthy human chondrocytes. Following combined treatment with IR and bortezomib, the cell cycle distribution, apoptotic induction, the survivin pathway, autophagy and DNA damage were evaluated. Both cell types exhibited a slight decrease in viability following increasing doses of IR; the chondrosarcoma cells demonstrated a significant dose-dependent increase in the expression levels of the DNA damage marker histone H2AX phosphorylation at serine 139 (γH2AX). The combination treatment with bortezomib significantly decreased the cell viability after 48 h compared with that in irradiated cells. High-dose IR induced a G2/M phase arrest, which was accompanied by a decrease in the number of cells at the G1 and S phase. Co-treatment with bortezomib changed the distribution of the cell cycle phases. The mRNA expression levels of the proapoptotic genes Bcl-2-associated X protein (Bax) and Bak were significantly increased by bortezomib treatment and combination therapy with IR. In addition, the combination therapy resulted in a synergistic decrease of the expression levels of survivin and its corresponding downstream pathway molecules, including heat shock protein 90, X-linked inhibitor of apoptosis protein, smad 2 and smad 3. Comparative analyses of γH2AX at 1 and 24 h post-IR revealed efficient DNA repair in human chondrosarcoma cells. Therefore, additional bortezomib treatment may only temporarily improve the radiation sensitivity of chondrosarcoma cells. However, the inhibition of the survivin pathway by the combined treatment with IR and bortezomib, observed in the present study, revealed a novel aspect in the tumor biology of chondrosarcoma 3D spheroid cultures and may represent a potential target for therapy.
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Affiliation(s)
- Birgit Lohberger
- Department of Orthopedics and Trauma, Medical University of Graz, A-8036 Graz, Austria
| | - Dietmar Glaenzer
- Department of Orthopedics and Trauma, Medical University of Graz, A-8036 Graz, Austria
- Department for Rehabilitation, Ludwig Boltzmann Institute for Arthritis and Rehabilitation, A-5760 Saalfelden, Austria
| | - Nicole Eck
- Department of Orthopedics and Trauma, Medical University of Graz, A-8036 Graz, Austria
- Department for Rehabilitation, Ludwig Boltzmann Institute for Arthritis and Rehabilitation, A-5760 Saalfelden, Austria
| | | | - Andreas Leithner
- Department of Orthopedics and Trauma, Medical University of Graz, A-8036 Graz, Austria
| | - Beate Rinner
- Division of Biomedical Research, Medical University of Graz, A-8036 Graz, Austria
| | | | - Dietmar Georg
- Department of Radiation Oncology, Medical University of Vienna, A-1090 Vienna, Austria
- MedAustron Ion Therapy Center, A-2700 Wiener Neustadt, Austria
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Targeting Mitochondrial Damage as a Therapeutic for Ileal Crohn's Disease. Cells 2021; 10:cells10061349. [PMID: 34072441 PMCID: PMC8226558 DOI: 10.3390/cells10061349] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 12/15/2022] Open
Abstract
Paneth cell defects in Crohn's disease (CD) patients (called the Type I phenotype) are associated with worse clinical outcomes. Recent studies have implicated mitochondrial dysfunction in Paneth cells as a mediator of ileitis in mice. We hypothesized that CD Paneth cells exhibit impaired mitochondrial health and that mitochondrial-targeted therapeutics may provide a novel strategy for ileal CD. Terminal ileal mucosal biopsies from adult CD and non-IBD patients were characterized for Paneth cell phenotyping and mitochondrial damage. To demonstrate the response of mitochondrial-targeted therapeutics in CD, biopsies were treated with vehicle or Mito-Tempo, a mitochondrial-targeted antioxidant, and RNA transcriptome was analyzed. During active CD inflammation, the epithelium exhibited mitochondrial damage evident in Paneth cells, goblet cells, and enterocytes. Independent of inflammation, Paneth cells in Type I CD patients exhibited mitochondrial damage. Mito-Tempo normalized the expression of interleukin (IL)-17/IL-23, lipid metabolism, and apoptotic gene signatures in CD patients to non-IBD levels. When stratified by Paneth cell phenotype, the global tissue response to Mito-Tempo in Type I patients was associated with innate immune, lipid metabolism, and G protein-coupled receptor (GPCR) gene signatures. Targeting impaired mitochondria as an underlying contributor to inflammation provides a novel treatment approach for CD.
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27
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Zhang J, Li C, Zhang L, Heng Y, Xu T, Zhang Y, Chen X, Hoffman RM, Jia L. Andrographolide Induces Noxa-Dependent Apoptosis by Transactivating ATF4 in Human Lung Adenocarcinoma Cells. Front Pharmacol 2021; 12:680589. [PMID: 33995110 PMCID: PMC8117100 DOI: 10.3389/fphar.2021.680589] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/09/2021] [Indexed: 12/21/2022] Open
Abstract
Lung adenocarcinoma is the most common pathological type of lung cancer with poor patient outcomes; therefore, developing novel therapeutic agents is critically needed. Andrographolide (AD), a major active component derived from the traditional Chinese medicine (TCM) Andrographis paniculate, is a potential antitumor drug, but the role of AD in lung adenocarcinoma remains poorly understood. In the present study, we demonstrated that AD inhibited the proliferation of broad-spectrum lung cancer cell lines in a dose-dependent manner. Meanwhile, we found that a high dose of AD induced Noxa-dependent apoptosis in human lung adenocarcinoma cells (A549 and H1299). Further studies revealed that Noxa was transcriptionally activated by activating transcription factor 4 (ATF4) in AD-induced apoptosis. Knockdown of ATF4 by small interfering RNA (siRNA) significantly diminished the transactivation of Noxa as well as the apoptotic population induced by AD. These results of the present study indicated that AD induced apoptosis of human lung adenocarcinoma cells by activating the ATF4/Noxa axis and supporting the development of AD as a promising candidate for the new era of chemotherapy.
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Affiliation(s)
- Junqian Zhang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chunjie Li
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Zhang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yongqing Heng
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tong Xu
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yunjing Zhang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xihui Chen
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Robert M Hoffman
- Department of Surgery, University of California, San Diego, La Jolla, CA, United States.,Anticancer Inc., San Diego, CA, United States
| | - Lijun Jia
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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28
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Wang H, Guo M, Wei H, Chen Y. Targeting MCL-1 in cancer: current status and perspectives. J Hematol Oncol 2021; 14:67. [PMID: 33883020 PMCID: PMC8061042 DOI: 10.1186/s13045-021-01079-1] [Citation(s) in RCA: 147] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/14/2021] [Indexed: 12/13/2022] Open
Abstract
Myeloid leukemia 1 (MCL-1) is an antiapoptotic protein of the BCL-2 family that prevents apoptosis by binding to the pro-apoptotic BCL-2 proteins. Overexpression of MCL-1 is frequently observed in many tumor types and is closely associated with tumorigenesis, poor prognosis and drug resistance. The central role of MCL-1 in regulating the mitochondrial apoptotic pathway makes it an attractive target for cancer therapy. Significant progress has been made with regard to MCL-1 inhibitors, some of which have entered clinical trials. Here, we discuss the mechanism by which MCL-1 regulates cancer cell apoptosis and review the progress related to MCL-1 small molecule inhibitors and their role in cancer therapy.
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Affiliation(s)
- Haolan Wang
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Ming Guo
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Hudie Wei
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Yongheng Chen
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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29
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Xu S, Ma Y, Tong Q, Yang J, Liu J, Wang Y, Li G, Zeng J, Fang S, Li F, Xie X, Zhang J. Cullin-5 neddylation-mediated NOXA degradation is enhanced by PRDX1 oligomers in colorectal cancer. Cell Death Dis 2021; 12:265. [PMID: 33712558 PMCID: PMC7954848 DOI: 10.1038/s41419-021-03557-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 01/03/2023]
Abstract
NOXA, a BH3-only proapoptotic protein involved in regulating cell death decisions, is highly expressed but short-lived in colorectal cancer (CRC). Neddylated cullin-5 (CUL5)-mediated ubiquitination and degradation of NOXA is crucial to prevent its overaccumulation and maintain an appropriate action time. However, how this process is manipulated by CRC cells commonly exposed to oxidative stress remain unknown. The peroxiredoxin PRDX1, a conceivable antioxidant overexpressed in CRC tissues, has been shown to inhibit apoptosis and TRAF6 ubiquitin-ligase activity. In this study, we found that PRDX1 inhibits CRC cell apoptosis by downregulating NOXA. Mechanistically, PRDX1 promotes NOXA ubiquitination and degradation, which completely depend on CUL5 neddylation. Further studies have demonstrated that PRDX1 oligomers bind with both the Nedd8-conjugating enzyme UBE2F and CUL5 and that this tricomplex is critical for CUL5 neddylation, since silencing PRDX1 or inhibiting PRDX1 oligomerization greatly dampens CUL5 neddylation and NOXA degradation. An increase in reactive oxygen species (ROS) is not only a hallmark of cancer cells but also the leading driving force for PRDX1 oligomerization. As shown in our study, although ROS play a role in upregulating NOXA mRNA transcription, ROS scavenging in CRC cells by N-acetyl-L-cysteine (NAC) can significantly reduce CUL5 neddylation and extend the NOXA protein half-life. Therefore, in CRC, PRDX1 plays a key role in maintaining intracellular homeostasis under conditions of high metabolic activity by reinforcing UBE2F-CUL5-mediated degradation of NOXA, which is also evidenced in the resistance of CRC cells to etoposide treatment. Based on these findings, targeting PRDX1 could be an effective strategy to overcome the resistance of CRC to DNA damage-inducing chemotherapeutics.
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Affiliation(s)
- Shoufang Xu
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Yilei Ma
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Qingchao Tong
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Jun Yang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Department of Cytopathology, Ningbo Diagnostic Pathology Center, Ningbo, Zhejiang, P.R. China
- Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, P. R. China
| | - Jia Liu
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Yanzhong Wang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Guoli Li
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Jin Zeng
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Sining Fang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Fengying Li
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China
| | - Xinyou Xie
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China.
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China.
| | - Jun Zhang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China.
- Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, P.R. China.
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30
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Yu Q, Sun Y. Targeting Protein Neddylation to Inactivate Cullin-RING Ligases by Gossypol: A Lucky Hit or a New Start? DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:1-8. [PMID: 33442232 PMCID: PMC7797302 DOI: 10.2147/dddt.s286373] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/16/2020] [Indexed: 01/26/2023]
Abstract
Cullin-RING E3 ligases (CRLs) are the largest family of E3 ubiquitin ligases, responsible for about 20% of the protein degradation by the ubiquitin-proteasome system (UPS). Given their vital roles in multiple cellular processes, and over-activation in many human cancers, CRLs are validated as promising targets for anti-cancer therapies. Activation of CRLs requires cullin neddylation, a process catalysed by three neddylation enzymes. Recently, our group established an AlphaScreen-based in vitro cullin neddylation assay and employed it for high-throughput screening to search for small-molecule inhibitors targeting cullin neddylation. During our pilot screen, gossypol, a natural product extracted from cottonseeds, was identified as one of the most potent neddylation inhibitors of cullin-1 and cullin-5. We further demonstrated that gossypol blocks cullin neddylation by binding to cullin-1/-5 to inactivate CRL1/5 ligase activity, leading to accumulation of MCL-1 and NOXA, the substrates of CRL1 and CRL5, respectively. The combination of gossypol and an MCL-1 inhibitor synergistically enhanced the anti-proliferative effect in multiple human cancer cell lines. Our study unveiled a rational combination of two previously known inhibitors of the Bcl-2 family for enhanced anti-cancer efficacy and identified a novel activity of gossypol as an inhibitor of CRL1 and CRL5 E3s, thus providing a new possibility in the development of novel CRL inhibitors for anti-cancer therapy.
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Affiliation(s)
- Qing Yu
- Department of Head and Neck Surgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Science, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China.,Cancer Institute of the Second Affiliated Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Yi Sun
- Cancer Institute of the Second Affiliated Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
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31
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Nakhla S, Rahawy A, Salam MAE, Shalaby T, Zaghloul M, El-Abd E. Radiosensitizing and Phototherapeutic Effects of AuNPs are Mediated by Differential Noxa and Bim Gene Expression in MCF-7 Breast Cancer Cell Line. IEEE Trans Nanobioscience 2020; 20:20-27. [PMID: 33017288 DOI: 10.1109/tnb.2020.3028562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
To compare the apoptotic efficiency of AuNPs, ionizing and non-ionizing radiotherapy, phototherapy, and AuNPs-ionizing-radiotherapy), MCF-7 cells were used as a model for luminal B subtypes of breast carcinoma. A mixture of AuNPs [66% of Au-nanospheres (AuNSs) and 34% of Au-nanorods (AuNRs)] was synthesized and characterized by optical spectroscopy, zeta potential, and transmission electron microscopy (TEM). MCF-7 were divided into six groups (triplicates); after each treatment, cell viability was tested by MTT assay and relative gene expression levels of Bim and Noxa proapoptotic markers were assayed by qRT-PCR. A dose-dependent significant reduction in cell viability of MCF-7 was detected by all examined treatment protocols. Lower viability detected at extended exposure (48 hours) to AuNPs ( [Formula: see text]/ml) was mediated by the upregulation of Noxa gene expression. AuNS and AuNR in vitro PTTs were mediated by differential expression of Bim and Noxa while AuNPs mixture had a combined effect on both Bim and Noxa. Cellular recovery was observed two days-post x-rays irradiation at does < 3 Gy. AuNPs showed dose enhancement factor (DEF) > 12 indicating a high radiosensitizing effect that was partially mediated by Noxa. In conclusion, AuNPs combined therapies exert better anti-proliferative effects via differential regulation of Noxa and Bim gene expressions.
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32
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Gossypol inhibits cullin neddylation by targeting SAG-CUL5 and RBX1-CUL1 complexes. Neoplasia 2020; 22:179-191. [PMID: 32145688 PMCID: PMC7076571 DOI: 10.1016/j.neo.2020.02.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 02/09/2020] [Accepted: 02/10/2020] [Indexed: 12/15/2022] Open
Abstract
Cullin-RING E3 ligase (CRL) is the largest family of E3 ubiquitin ligase, responsible for ubiquitylation of ∼20% of cellular proteins. CRL plays an important role in many biological processes, particularly in cancers due to abnormal activation. CRL activation requires neddylation, an enzymatic cascade transferring small ubiquitin-like protein NEDD8 to a conserved lysine residue on cullin proteins. Recent studies have validated that neddylation is an attractive anticancer target. In this study, we report the establishment of an Alpha-Screen-based high throughput screen (HTS) assay for in vitro CUL5 neddylation, and screened a library of 17,000 compounds including FDA approved drugs, natural products and synthetic drug-like small-molecule compounds. Gossypol, a natural compound derived from cotton seed, was identified as an inhibitor of cullin neddylation. Biochemical studies showed that gossypol blocked neddylation of both CUL5 and CUL1 through direct binding to SAG-CUL5 or RBX1-CUL1 complex, and CUL5-H572 plays a key role for gossypol binding. On cellular level, gossypol inhibited cullin neddylation in a variety of cancer cell lines and selectively caused accumulation of NOXA and MCL1, the substrates of CUL5 and CUL1, respectively, in multiple cancer cell lines. Combination of gossypol with specific MCL1 inhibitor synergistically suppress growth of human cancer cells. Our study revealed a previously unknown anti-cancer mechanism of gossypol with potential to develop a new class of neddylation inhibitors.
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33
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Stöhr D, Rehm M. Linking hyperosmotic stress and apoptotic sensitivity. FEBS J 2020; 288:1800-1803. [PMID: 32869461 DOI: 10.1111/febs.15520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 08/11/2020] [Indexed: 11/27/2022]
Abstract
Cellular responses to hypertonic stress and how these are linked to the induction of or sensitisation to cell death signals are incompletely understood and rarely studied in cancer. Using cell lines derived from head and neck squamous cell carcinoma (HNSCC), Heimer et al. demonstrate that hypertonic environments neutralise the antiapoptotic Bcl-2 family member Mcl-1 by upregulating its antagonist Noxa. Consequently, hypertonically stressed HNSCC cells rely solely on Bcl-xL for survival and succumb to apoptosis when challenged by pharmacological Bcl-xL inhibition. Similar findings were reported in colorectal cancer cells in related manuscripts, suggesting that a common and conserved mechanistic link might exist between hyperosmotic stress and cellular sensitisation to apoptosis.
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Affiliation(s)
- Daniela Stöhr
- Institute of Cell Biology and Immunology, University of Stuttgart, Germany.,Stuttgart Research Center Systems Biology, University of Stuttgart, Germany
| | - Markus Rehm
- Institute of Cell Biology and Immunology, University of Stuttgart, Germany.,Stuttgart Research Center Systems Biology, University of Stuttgart, Germany
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34
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Cosialls AM, Sánchez-Vera I, Pomares H, Perramon-Andújar J, Sanchez-Esteban S, Palmeri CM, Iglesias-Serret D, Saura-Esteller J, Núñez-Vázquez S, Lavilla R, González-Barca EM, Pons G, Gil J. The BCL-2 family members NOXA and BIM mediate fluorizoline-induced apoptosis in multiple myeloma cells. Biochem Pharmacol 2020; 180:114198. [PMID: 32798467 DOI: 10.1016/j.bcp.2020.114198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 12/14/2022]
Abstract
Fluorizoline is a new synthetic molecule that induces apoptosis by selectively targeting prohibitins. In this study, we have assessed the pro-apoptotic effect of fluorizoline in 3 different multiple myeloma cell lines and 12 primary samples obtained from treatment-naïve multiple myeloma patients. Fluorizoline induced apoptosis in both multiple myeloma cell lines and primary samples at concentrations in the low micromolar range. All primary samples were sensitive to fluorizoline. Moreover, fluorizoline increased the mRNA and protein levels of the pro-apoptotic BCL-2 family member NOXA both in cell lines and primary samples analyzed. Finally, NOXA-depletion by CRISPR/Cas9 in cells that do not express BIM conferred resistance to fluorizoline-induced apoptosis in multiple myeloma cells. These results suggest that targeting prohibitins could be a new therapeutic strategy for myeloma multiple.
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Affiliation(s)
- Ana M Cosialls
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ismael Sánchez-Vera
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Helena Pomares
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain; Servei d'Hematologia Clínica, Institut Català d'Oncologia, Oncobell-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Judit Perramon-Andújar
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Sandra Sanchez-Esteban
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Claudia M Palmeri
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Daniel Iglesias-Serret
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain; Facultat de Medicina, Universitat de Vic - Universitat Central de Catalunya (UVic- UCC), Vic, Barcelona, Spain
| | - José Saura-Esteller
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Sonia Núñez-Vázquez
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Rodolfo Lavilla
- Laboratory of Medical Chemistry, Faculty of Pharmacy and Food Sciences and Institute of Medicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Eva M González-Barca
- Servei d'Hematologia Clínica, Institut Català d'Oncologia, Oncobell-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Gabriel Pons
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Joan Gil
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Barcelona, Spain.
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35
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Núñez-Vázquez S, Sánchez-Vera I, Saura-Esteller J, Cosialls AM, Noisier AFM, Albericio F, Lavilla R, Pons G, Iglesias-Serret D, Gil J. NOXA upregulation by the prohibitin-binding compound fluorizoline is transcriptionally regulated by integrated stress response-induced ATF3 and ATF4. FEBS J 2020; 288:1271-1285. [PMID: 32648994 DOI: 10.1111/febs.15480] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 06/17/2020] [Accepted: 06/30/2020] [Indexed: 02/06/2023]
Abstract
Fluorizoline is a new synthetic molecule that induces p53-independent apoptosis, in several tumor cell lines and in primary leukemia cells, by selectively targeting prohibitins (PHBs). In this study, we describe how fluorizoline induces BCL-2 homology 3-only protein NOXA, without modulating the protein levels of anti-apoptotic B-cell lymphoma-2 (BCL-2) family members prior to caspase activation, as well as how it synergizes with the BCL-2 and BCL-XL inhibitor ABT-737 to induce apoptosis. Interestingly, fluorizolinetreatment triggers the activation of the integrated stress response (ISR) in HeLa and HAP1 cells, with increased eukaryotic translation initiation factor 2α phosphorylation, and induction of ATF3, ATF4, and CHOP. Moreover, PHB downregulation induces similar ISR activation and apoptosis as with fluorizoline treatment. In addition, we studied the essential role of the pro-apoptotic protein NOXA in fluorizoline-induced apoptosis and we describe its mechanism of induction in HeLa and HAP1 cells. Moreover, we identified ATF3 and ATF4 as the transcription factors that bind to NOXA promoter upon fluorizoline treatment. Furthermore, using ATF3 and ATF4 CRISPR HeLa and HAP1 cells, we confirmed that both factors mediate the induction of NOXA and apoptosis by fluorizoline. In conclusion, fluorizoline treatment triggers the activation of the ISR that results in the induction of ATF3 and ATF4, important regulators of NOXA transcription in fluorizoline-induced apoptosis.
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Affiliation(s)
- Sonia Núñez-Vázquez
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Ismael Sánchez-Vera
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - José Saura-Esteller
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Ana M Cosialls
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Anaïs F M Noisier
- Laboratory of Medical Chemistry, Faculty of Pharmacy and Food Sciences and Institute of Medicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Fernando Albericio
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Department of Organic Chemistry, University of Barcelona, Barcelona, Spain
| | - Rodolfo Lavilla
- Laboratory of Medical Chemistry, Faculty of Pharmacy and Food Sciences and Institute of Medicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Gabriel Pons
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Daniel Iglesias-Serret
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain.,Facultat de Medicina, Universitat de Vic - Universitat Central de Catalunya (UVic-UCC), Vic, Spain
| | - Joan Gil
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut, Oncobell-IDIBELL (Institut d'Investigació Biomèdica de Bellvitge), L'Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
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Arai S, Varkaris A, Nouri M, Chen S, Xie L, Balk SP. MARCH5 mediates NOXA-dependent MCL1 degradation driven by kinase inhibitors and integrated stress response activation. eLife 2020; 9:54954. [PMID: 32484436 PMCID: PMC7297531 DOI: 10.7554/elife.54954] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 06/01/2020] [Indexed: 02/06/2023] Open
Abstract
MCL1 has critical antiapoptotic functions and its levels are tightly regulated by ubiquitylation and degradation, but mechanisms that drive this degradation, particularly in solid tumors, remain to be established. We show here in prostate cancer cells that increased NOXA, mediated by kinase inhibitor activation of an integrated stress response, drives the degradation of MCL1, and identify the mitochondria-associated ubiquitin ligase MARCH5 as the primary mediator of this NOXA-dependent MCL1 degradation. Therapies that enhance MARCH5-mediated MCL1 degradation markedly enhance apoptosis in response to a BH3 mimetic agent targeting BCLXL, which may provide for a broadly effective therapy in solid tumors. Conversely, increased MCL1 in response to MARCH5 loss does not strongly sensitize to BH3 mimetic drugs targeting MCL1, but instead also sensitizes to BCLXL inhibition, revealing a codependence between MARCH5 and MCL1 that may also be exploited in tumors with MARCH5 genomic loss.
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Affiliation(s)
- Seiji Arai
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States.,Department of Urology, Gunma University Hospital, Maebashi, Japan
| | - Andreas Varkaris
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States
| | - Mannan Nouri
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States
| | - Sen Chen
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States
| | - Lisha Xie
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States
| | - Steven P Balk
- Hematology-Oncology Division, Department of Medicine, and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, United States
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Abo Elwafa R, Abd Elrahman A, Ghallab O. Long intergenic non-coding RNA-p21 is associated with poor prognosis in chronic lymphocytic leukemia. Clin Transl Oncol 2020; 23:92-99. [PMID: 32468342 DOI: 10.1007/s12094-020-02398-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/12/2020] [Indexed: 01/24/2023]
Abstract
BACKGROUND Long non-coding RNAs (LncRNAs) are RNA transcripts longer than 200 nucleotides. They are new players in transcriptional regulation and cancer research. LincRNA-p21 is a p53-regulated lncRNA involved in the p53 transcriptional network. It has an important role in regulating cellular proliferation and apoptosis. Chronic lymphocytic leukemia is derived by a typical defect in apoptosis and characterized by clonal proliferation and accumulation of mature B cells. The aim of the present study was to assess the expression pattern of the lincRNA-p21 and investigate its potential role as a new prognostic marker in CLL. METHODS The study was conducted on 80 newly diagnosed CLL patients and 80 age- and sex-matched controls. The analysis of LincRNA-p21 and the p53 downstream proapoptotic target genes (MDM2, PUMA, BAX, and NOXA) was performed by real-time PCR. The cytogenetic abrasions and expression of ZAP70 and CD38 were detected by FISH and Flow cytometry, respectively. RESULTS LincRNA-p21 was significantly downregulated in CLL patients compared to controls. The downstream proapoptotic targets were significantly downregulated in CLL patients and positively correlated with lincRNA-p21. Low expression of lincRNA-p21 was associated with poor prognostic markers (advanced stages of CLL, del 17p13, ZAP70, and CD38 expression), failure of complete remission, shorter progression free survival, and overall survival. Low lincRNA-p21 expression was independently prognostic for shorter time to treatment. CONCLUSION Low expression of lincRNA-p21 demarcates a more aggressive form of CLL with poor prognosis. Therefore, it could be considered as a new prognostic marker to predict disease outcome in CLL.
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Affiliation(s)
- R Abo Elwafa
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
| | - A Abd Elrahman
- Internal Medicine Department (Hematology Unit), Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - O Ghallab
- Internal Medicine Department (Hematology Unit), Faculty of Medicine, Alexandria University, Alexandria, Egypt
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38
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BH3 mimetics selectively eliminate chemotherapy-induced senescent cells and improve response in TP53 wild-type breast cancer. Cell Death Differ 2020; 27:3097-3116. [PMID: 32457483 DOI: 10.1038/s41418-020-0564-6] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/13/2020] [Indexed: 02/07/2023] Open
Abstract
TP53 wild-type breast tumors rarely undergo a complete pathological response after chemotherapy treatment. These patients have an extremely poor survival rate and studies show these tumors preferentially undergo senescence instead of apoptosis. These senescent cells persist after chemotherapy and secrete cytokines and chemokines comprising the senescence associated secretory phenotype, which promotes survival, proliferation, and metastasis. We hypothesized that eliminating senescent tumor cells would improve chemotherapy response and extend survival. Previous studies have shown "senolytic" agents selectively kill senescent normal cells, but their efficacy in killing chemotherapy-induced senescent cancer cells is unknown. We show that ABT-263, a BH3 mimetic that targets antiapoptotic proteins BCL2/BCL-XL/BCL-W, had no effect on proliferating cells, but rapidly and selectively induced apoptosis in a subset of chemotherapy-treated cancer cells, though sensitivity required days to develop. Low NOXA expression conferred resistance to ABT-263 in some cells, necessitating additional MCL1 inhibition. Gene editing confirmed breast cancer cells relied on BCL-XL or BCL-XL/MCL1 for survival in senescence. In a mouse model of breast cancer, ABT-263 treatment following chemotherapy led to apoptosis, greater tumor regression, and longer survival. Our results reveal cancer cells that have survived chemotherapy by entering senescence can be eliminated using BH3 mimetic drugs that target BCL-XL or BCL-XL/MCL1. These drugs could help minimize residual disease and extend survival in breast cancer patients that otherwise have a poor prognosis and are most in need of improved therapies.
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Florent R, Weiswald LB, Lambert B, Brotin E, Abeilard E, Louis MH, Babin G, Poulain L, N'Diaye M. Bim, Puma and Noxa upregulation by Naftopidil sensitizes ovarian cancer to the BH3-mimetic ABT-737 and the MEK inhibitor Trametinib. Cell Death Dis 2020; 11:380. [PMID: 32424251 PMCID: PMC7235085 DOI: 10.1038/s41419-020-2588-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/24/2020] [Accepted: 04/28/2020] [Indexed: 12/13/2022]
Abstract
Ovarian cancer represents the first cause of mortality from gynecologic malignancies due to frequent chemoresistance occurrence. Increasing the [BH3-only Bim, Puma, Noxa proapoptotic]/[Bcl-xL, Mcl-1 antiapoptotic] proteins ratio was proven to efficiently kill ovarian carcinoma cells and development of new molecules to imbalance Bcl-2 member equilibrium are strongly required. Drug repurposing constitutes an innovative approach to rapidly develop therapeutic strategies through exploitation of established drugs already approved for the treatment of noncancerous diseases. This strategy allowed a renewed interest for Naftopidil, an α1-adrenergic receptor antagonist commercialized in Japan for benign prostatic hyperplasia. Naftopidil was reported to decrease the incidence of prostate cancer and its derivative was described to increase BH3-only protein expression in some cancer models. Based on these arguments, we evaluated the effects of Naftopidil on ovarian carcinoma and showed that Naftopidil reduced cell growth and increased the expression of the BH3-only proteins Bim, Puma and Noxa. This effect was independent of α1-adrenergic receptors blocking and involved ATF4 or JNK pathway depending on cellular context. Finally, Naftopidil-induced BH3-only members sensitized our models to ABT-737 and Trametinib treatments, in vitro as well as ex vivo, in patient-derived organoid models.
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Affiliation(s)
- Romane Florent
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Louis-Bastien Weiswald
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Bernard Lambert
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
- CNRS-Regional Delegation of Normandy, Caen, France
| | - Emilie Brotin
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Edwige Abeilard
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Marie-Hélène Louis
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Guillaume Babin
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
| | - Laurent Poulain
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France
- UNICANCER, Cancer Center François Baclesse, Caen, France
- Biological Ressources Center «OvaRessources», Cancer Center François Baclesse, Caen, France
| | - Monique N'Diaye
- Normandie Univ, UNICAEN, INSERM U1086 ANTICIPE (Interdisciplinary Research Unit for Cancers Prevention and Treatment), BioTICLA Axis (Biology and Innovative Therapeutics for Ovarian Cancers), Caen, France.
- UNICANCER, Cancer Center François Baclesse, Caen, France.
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Zhao Y, Xiong X, Sun Y. Cullin-RING Ligase 5: Functional characterization and its role in human cancers. Semin Cancer Biol 2020; 67:61-79. [PMID: 32334051 DOI: 10.1016/j.semcancer.2020.04.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/06/2020] [Accepted: 04/12/2020] [Indexed: 12/12/2022]
Abstract
Cullin-RING ligase 5 (CRL5) is a multi-protein complex and consists of a scaffold protien cullin 5, a RING protein RBX2 (also known as ROC2 or SAG), adaptor proteins Elongin B/C, and a substrate receptor protein SOCS. Through targeting a variety of substrates for proteasomal degradation or modulating various protein-protein interactions, CRL5 is involved in regulation of many biological processes, such as cytokine signal transduction, inflammation, viral infection, and oncogenesis. As many substrates of CRL5 are well-known oncoproteins or tumor suppressors, abnormal regulation of CRL5 is commonly found in human cancers. In this review, we first briefly introduce each of CRL5 components, and then discuss the biological processes regulated by four members of SOCS-box-containing substrate receptor family through substrate degradation. We next describe how CRL5 is hijacked by a variety of viral proteins to degrade host anti-viral proteins, which facilitates virus infection. We further discuss the regulation of CUL5 and its various roles in human cancers, acting as either a tumor suppressor or an oncoprotein in a context-dependent manner. Finally, we propose novel insights for future perspectives on the validation of cullin5 and other CRL5 components as potential targets, and possible targeting strategies to discover CRL5 inhibitors for anti-cancer and anti-virus therapies.
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Affiliation(s)
- Yongchao Zhao
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China.
| | - Xiufang Xiong
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China; Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Sun
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China; Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Division of Radiation and Cancer Biology, Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA.
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Jin S, Cojocari D, Purkal JJ, Popovic R, Talaty NN, Xiao Y, Solomon LR, Boghaert ER, Leverson JD, Phillips DC. 5-Azacitidine Induces NOXA to Prime AML Cells for Venetoclax-Mediated Apoptosis. Clin Cancer Res 2020; 26:3371-3383. [PMID: 32054729 DOI: 10.1158/1078-0432.ccr-19-1900] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 12/13/2019] [Accepted: 02/10/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE Patients with acute myeloid leukemia (AML) frequently do not respond to conventional therapies. Leukemic cell survival and treatment resistance have been attributed to the overexpression of B-cell lymphoma 2 (BCL-2) and aberrant DNA hypermethylation. In a phase Ib study in elderly patients with AML, combining the BCL-2 selective inhibitor venetoclax with hypomethylating agents 5-azacitidine (5-Aza) or decitabine resulted in 67% overall response rate; however, the underlying mechanism for this activity is unknown. EXPERIMENTAL DESIGN We studied the consequences of combining two therapeutic agents, venetoclax and 5-Aza, in AML preclinical models and primary patient samples. We measured expression changes in the integrated stress response (ISR) and the BCL-2 family by Western blot and qPCR. Subsequently, we engineered PMAIP1 (NOXA)- and BBC3 (PUMA)-deficient AML cell lines using CRISPR-Cas9 methods to understand their respective roles in driving the venetoclax/5-Aza combinatorial activity. RESULTS In this study, we demonstrate that venetoclax and 5-Aza act synergistically to kill AML cells in vitro and display combinatorial antitumor activity in vivo. We uncover a novel nonepigenetic mechanism for 5-Aza-induced apoptosis in AML cells through transcriptional induction of the proapoptotic BH3-only protein NOXA. This induction occurred within hours of treatment and was mediated by the ISR pathway. NOXA was detected in complex with antiapoptotic proteins, suggesting that 5-Aza may be "priming" the AML cells for venetoclax-induced apoptosis. PMAIP1 knockout confirmed its major role in driving venetoclax and 5-Aza synergy. CONCLUSIONS These data provide a novel nonepigenetic mechanism of action for 5-Aza and its combinatorial activity with venetoclax through the ISR-mediated induction of PMAIP1.
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Affiliation(s)
- Sha Jin
- Oncology Discovery, AbbVie Inc., North Chicago, Illinois
| | - Dan Cojocari
- Oncology Discovery, AbbVie Inc., North Chicago, Illinois
| | - Julie J Purkal
- Oncology Discovery, AbbVie Inc., North Chicago, Illinois
| | - Relja Popovic
- Genomics Research Center, AbbVie Inc., North Chicago, Illinois
| | - Nari N Talaty
- Drug Discovery Science and Technologies, AbbVie Inc., North Chicago, Illinois
| | - Yu Xiao
- Oncology Discovery, AbbVie Inc., North Chicago, Illinois
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Pervushin NV, Senichkin VV, Zhivotovsky B, Kopeina GS. Mcl-1 as a "barrier" in cancer treatment: Can we target it now? INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 351:23-55. [PMID: 32247581 DOI: 10.1016/bs.ircmb.2020.01.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
During the last two decades, the study of Mcl-1, an anti-apoptotic member of the Bcl-2 family, attracted researchers due to its important role in cancer cell survival and tumor development. The significance of Mcl-1 protein in resistance to chemotherapeutics makes it an attractive target in cancer therapy. Here, we discuss the diverse possibilities for indirect Mcl-1 inhibition through its downregulation, for example, via targeting for proteasomal degradation or blockage of translation and transcription. We also provide an overview of the direct blocking of protein-protein interactions with pro-apoptotic Bcl-2 family proteins, including examples of the most promising regulators of Mcl-1 and selective BH3-mimetics, which at present are under clinical evaluation. Moreover, several approaches for the co-targeting of Mcl-1 and other proteins (e.g., CDKs) are also presented. In addition, we highlight the broad spectrum of problems that accompanied the discovery and development of effective Mcl-1 inhibitors.
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Affiliation(s)
| | | | - Boris Zhivotovsky
- Faculty of Medicine, MV Lomonosov Moscow State University, Moscow, Russia; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Gelina S Kopeina
- Faculty of Medicine, MV Lomonosov Moscow State University, Moscow, Russia.
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43
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Transcriptome Analysis of Ochratoxin A-Induced Apoptosis in Differentiated Caco-2 Cells. Toxins (Basel) 2019; 12:toxins12010023. [PMID: 31906179 PMCID: PMC7020595 DOI: 10.3390/toxins12010023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/21/2019] [Accepted: 12/24/2019] [Indexed: 12/20/2022] Open
Abstract
Ochratoxin A (OTA), an important mycotoxin that occurs in food and animal feed, has aroused widespread concern in recent years. Previous studies have indicated that OTA causes nephrotoxicity, hepatotoxicity, genotoxicity, immunotoxicity, cytotoxicity, and neurotoxicity. The intestinal toxicity of OTA has gradually become a focus of research, but the mechanisms underlying this toxicity have not been described. Here, differentiated Caco-2 cells were incubated for 48 h with different concentrations of OTA and transcriptome analysis was used to estimate damage to the intestinal barrier. Gene expression profiling was used to compare the characteristics of differentially expressed genes (DEGs). There were altogether 10,090 DEGs, mainly clustered into two downregulation patterns. The Search Tool for Retrieval of Interacting Genes (STRING), which was used to analyze the protein-protein interaction network, indicated that 24 key enzymes were mostly responsible for regulating cell apoptosis. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) analysis was used to validate eight genes, three of which were key genes (CASP3, CDC25B, and EGR1). The results indicated that OTA dose-dependently induces apoptosis in differentiated Caco-2 cells. Transcriptome analysis showed that the impairment of intestinal function caused by OTA might be partly attributed to apoptosis, which is probably associated with downregulation of murine double minute 2 (MDM2) expression and upregulation of Noxa and caspase 3 (CASP3) expression. This study has highlighted the intestinal toxicity of OTA and provided a genome-wide view of biological responses, which provides a theoretical basis for enterotoxicity and should be useful in establishing a maximum residue limit for OTA.
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Ommer J, Selfe JL, Wachtel M, O'Brien EM, Laubscher D, Roemmele M, Kasper S, Delattre O, Surdez D, Petts G, Kelsey A, Shipley J, Schäfer BW. Aurora A Kinase Inhibition Destabilizes PAX3-FOXO1 and MYCN and Synergizes with Navitoclax to Induce Rhabdomyosarcoma Cell Death. Cancer Res 2019; 80:832-842. [PMID: 31888889 DOI: 10.1158/0008-5472.can-19-1479] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 09/12/2019] [Accepted: 12/18/2019] [Indexed: 11/16/2022]
Abstract
The clinically aggressive alveolar rhabdomyosarcoma (RMS) subtype is characterized by expression of the oncogenic fusion protein PAX3-FOXO1, which is critical for tumorigenesis and cell survival. Here, we studied the mechanism of cell death induced by loss of PAX3-FOXO1 expression and identified a novel pharmacologic combination therapy that interferes with PAX3-FOXO1 biology at different levels. Depletion of PAX3-FOXO1 in fusion-positive (FP)-RMS cells induced intrinsic apoptosis in a NOXA-dependent manner. This was pharmacologically mimicked by the BH3 mimetic navitoclax, identified as top compound in a screen from 208 targeted compounds. In a parallel approach, and to identify drugs that alter the stability of PAX3-FOXO1 protein, the same drug library was screened and fusion protein levels were directly measured as a read-out. This revealed that inhibition of Aurora kinase A most efficiently negatively affected PAX3-FOXO1 protein levels. Interestingly, this occurred through a novel specific phosphorylation event in and binding to the fusion protein. Aurora kinase A inhibition also destabilized MYCN, which is both a functionally important oncogene and transcriptional target of PAX3-FOXO1. Combined treatment with an Aurora kinase A inhibitor and navitoclax in FP-RMS cell lines and patient-derived xenografts synergistically induced cell death and significantly slowed tumor growth. These studies identify a novel functional interaction of Aurora kinase A with both PAX3-FOXO1 and its effector MYCN, and reveal new opportunities for targeted combination treatment of FP-RMS. SIGNIFICANCE: These findings show that Aurora kinase A and Bcl-2 family proteins are potential targets for FP-RMS.
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Affiliation(s)
- Johannes Ommer
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Joanna L Selfe
- Sarcoma Molecular Pathology Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Marco Wachtel
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Eleanor M O'Brien
- Sarcoma Molecular Pathology Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Dominik Laubscher
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Michaela Roemmele
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Stephanie Kasper
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Olivier Delattre
- France INSERM U830, Équipe Labellisé LNCC, PSL Université, SIREDO Oncology Centre, Institut Curie, Paris, France
| | - Didier Surdez
- France INSERM U830, Équipe Labellisé LNCC, PSL Université, SIREDO Oncology Centre, Institut Curie, Paris, France
| | - Gemma Petts
- Department of Diagnostic Paediatric Histopathology, Royal Manchester Children's Hospital, Manchester, United Kingdom
| | - Anna Kelsey
- Department of Diagnostic Paediatric Histopathology, Royal Manchester Children's Hospital, Manchester, United Kingdom
| | - Janet Shipley
- Sarcoma Molecular Pathology Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Beat W Schäfer
- Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.
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Park J, Han JH, Myung SH, Kim TH. Isothiocyanate groups of 4,4'-diisothiocyanatostilbene-2,2'-disulfonate (DIDS) inhibit cell penetration of octa-arginine (R8)-fused peptides. J Pept Sci 2019; 26:e3237. [PMID: 31852026 DOI: 10.1002/psc.3237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 10/15/2019] [Accepted: 11/11/2019] [Indexed: 11/07/2022]
Abstract
Delivering biomolecules, such as antibodies, proteins, and peptides, to the cytosol is an important and challenging aspect of drug development and chemical biology. Polyarginine-a well-known cell-penetrating peptide (CPP)-is capable of exploiting its positive charge and guanidium groups to carry a fused cargo into the cytosol. However, the precise mechanism by which this occurs remains ambiguous. In the present study, we established a new method of quantitatively assessing cell penetration. The method involves inducing cell death by using a polyarginine (R8) to deliver a peptide-ie, mitochondrial targeting domain (MTD)-to the cytosol. We found that 4,4'-diisothiocyanatostilbene-2,2'-di-sulfonate (DIDS)-an anion channel blocker-inhibited the ability of octa-arginine (R8)-fused MTD to penetrate cells. Other anion channel blockers did not inhibit the penetration of peptides fused with R8. Comparison of DIDS with other structurally similar chemicals revealed that the isothiocyanate group of DIDS may be primarily responsible for the inhibitory effect than its stilbene di-sulfonate backbone. These results imply that the inhibitory effect of DIDS may not be derived from the interaction between stilbene di-sulfonate and the anion channels, but from the interaction between the isothiocyanate groups and the cell membrane. Our new MTD method enables the quantitative assessment of cell penetration. Moreover, further studies on the inhibition of CPPs by DIDS may help clarify the mechanism by which penetration occurs and facilitate the design of new penetrative biomolecules.
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Affiliation(s)
- Junghee Park
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju, South Korea
| | - Ji-Hye Han
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju, South Korea
| | - Seung-Hyun Myung
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju, South Korea
| | - Tae-Hyoung Kim
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, Gwangju, South Korea
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Park J, Han JH, Myung SH, Kang H, Cho JY, Kim TH. A peptide containing Noxa mitochondrial-targeting domain induces cell death via mitochondrial and endoplasmic reticulum disruption. Biochem Biophys Res Commun 2019; 518:80-86. [PMID: 31421829 DOI: 10.1016/j.bbrc.2019.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 08/04/2019] [Indexed: 01/01/2023]
Abstract
Noxa is a weak apoptosis activator consisting of a BH3 domain and a mitochondrial-targeting domain (MTD). BH3 binds Mcl-1 and Bcl2A1 and inactivates their anti-apoptotic activities, while MTD delivers BH3 to mitochondria. Previously we revealed that MTD may also function as an inducer of necrosis via conjugation with octa-arginine, which induces cytosolic Ca2+ influx from mitochondria. However, the mechanism(s) underlying this process has not been elucidated yet. Here, we show that calcium influx induced by an MTD peptide fused with octa-arginine residue (R8:MTD) originates not only from mitochondria but also from the extracellular space. However, calcium spikes were not sufficient for necrosis. R8:MTD induced mitochondrial permeability transition pore opening, fragmentation, and swelling. These mitochondrial events induced by MTD appeared to be necessary for necrosis induction, since DIDS, a VDAC inhibitor, inhibited the mitochondrial swelling and cell death induced by MTD. We show that R8:MTD disrupted endoplasmic reticulum (ER) structures but not peroxisomes or Golgi, indicating that R8:MTD causes necrosis by inducing ER events as well.
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Affiliation(s)
- Junghee Park
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwangju, 61452, Republic of Korea
| | - Ji-Hye Han
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwangju, 61452, Republic of Korea
| | - Seung-Hyun Myung
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwangju, 61452, Republic of Korea
| | - Hyuno Kang
- Gwangju Center, Korea Basic Science Institute, 77 Yongbong-ro, Buk-gu, Gwangju, 61168, Republic of Korea
| | - Ju-Yeon Cho
- Department of Medicine, Chosun University Hospital, 365 Pilmoon-Daero, Dong-Gu, Gwangju, 61453, Republic of Korea
| | - Tae-Hyoung Kim
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwangju, 61452, Republic of Korea.
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47
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Bahjat M, de Wilde G, van Dam T, Maas C, Bloedjes T, Bende RJ, van Noesel CJM, Luijks DM, Eldering E, Kersten MJ, Guikema JEJ. The NEDD8-activating enzyme inhibitor MLN4924 induces DNA damage in Ph+ leukemia and sensitizes for ABL kinase inhibitors. Cell Cycle 2019; 18:2307-2322. [PMID: 31349760 PMCID: PMC6738521 DOI: 10.1080/15384101.2019.1646068] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The BCR-ABL1 fusion gene is the driver oncogene in chronic myeloid leukemia (CML) and Philadelphia-chromosome positive (Ph+) acute lymphoblastic leukemia (ALL). The introduction of tyrosine kinase inhibitors (TKIs) targeting the ABL kinase (such as imatinib) has dramatically improved survival of CML and Ph+ ALL patients. However, primary and acquired resistance to TKIs remains a clinical challenge. Ph+ leukemia patients who achieve a complete cytogenetic (CCR) or deep molecular response (MR) (≥4.5log reduction in BCR-ABL1 transcripts) represent long-term survivors. Thus, the fast and early eradication of leukemic cells predicts MR and is the prime clinical goal for these patients. We show here that the first-in-class inhibitor of the Nedd8-activating enzyme (NAE1) MLN4924 effectively induced caspase-dependent apoptosis in Ph+ leukemia cells, and sensitized leukemic cells for ABL tyrosine kinase inhibitors (TKI) and hydroxyurea (HU). We demonstrate that MLN4924 induced DNA damage in Ph+ leukemia cells by provoking the activation of an intra S-phase checkpoint, which was enhanced by imatinib co-treatment. The combination of MLN4924 and imatinib furthermore triggered a dramatic shift in the expression of MCL1 and NOXA. Our data offers a clear rationale to explore the clinical activity of MLN4924 (alone and in combination with ABL TKI) in Ph+ leukemia patients
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Affiliation(s)
- Mahnoush Bahjat
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Guus de Wilde
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Tijmen van Dam
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Chiel Maas
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Timon Bloedjes
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Richard J Bende
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Carel J M van Noesel
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
| | - Dieuwertje M Luijks
- Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands
| | - Eric Eldering
- Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands
| | - Marie José Kersten
- Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands.,Department of Hematology, Amsterdam University Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands
| | - Jeroen E J Guikema
- Department of Pathology, Amsterdam University Medical Centers, location AMC, University of Amsterdam , Amsterdam , The Netherlands.,Lymphoma and Myeloma Center Amsterdam (LYMMCARE) , Amsterdam , The Netherlands
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48
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BH3 mimetic ABT-263 enhances the anticancer effects of apigenin in tumor cells with activating EGFR mutation. Cell Biosci 2019; 9:60. [PMID: 31367332 PMCID: PMC6651933 DOI: 10.1186/s13578-019-0322-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 07/05/2019] [Indexed: 01/11/2023] Open
Abstract
Background Mutated epidermal growth factor receptor (EGFR) is one of the most successful targets in cancer targeted therapy. While this treatment has benefited many patients with an activating EGFR mutation (EGFRm), almost all those who initially benefited will eventually develop acquired drug resistance (ADR) after a certain period of time. New therapeutic strategies need to be explored to treat EGFRm tumors and overcome or minimize this recurring ADR. Results Our data showed that apigenin alone has only mild inhibitory effects on EGFRm tumor cells. By drug screening, we found that ABT-263 can significantly enhance the antitumor activities of apigenin in tumor cells harbouring an activating EGFR mutation and AZD9291-resistant H1975 cells. Mechanistically, apigenin upregulated the expression of Noxa in EGFRm tumor cells by targeting the AKT-FoxO3a pathway, thereby synergizing with ABT-263 to suppress tumor cell growth and proliferation in vitro and in vivo. Conclusions Our study provides a rationale for the clinical application of the combination treatment of apigenin and BH3 mimetics in the treatment of EGFRm tumors. Electronic supplementary material The online version of this article (10.1186/s13578-019-0322-y) contains supplementary material, which is available to authorized users.
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49
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Han JH, Park J, Myung SH, Lee SH, Kim HY, Kim KS, Seo YW, Kim TH. Noxa mitochondrial targeting domain induces necrosis via VDAC2 and mitochondrial catastrophe. Cell Death Dis 2019; 10:519. [PMID: 31285435 PMCID: PMC6614423 DOI: 10.1038/s41419-019-1753-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 06/07/2019] [Accepted: 06/21/2019] [Indexed: 11/09/2022]
Abstract
Noxa, a Bcl-2 homology 3 (BH3)-only protein of the Bcl-2 family, is responsive to cell stresses and triggers apoptosis by binding the prosurvival Bcl-2-like proteins Mcl1, BclXL, and Bcl2A1. Although the Noxa BH3 domain is necessary to induce apoptosis, the mitochondrial targeting domain (MTD) of Noxa functions as a pronecrotic domain, an inducer of mitochondrial fragmentation, and delivery to mitochondria. In this study, we demonstrate that the extended MTD (eMTD) peptide induces necrotic cell death by interaction with the VDAC2 protein. The eMTD peptide penetrates the cell membrane, causing cell membrane blebbing, cytosolic calcium influx, and mitochondrial swelling, fragmentation, and ROS generation. The MTD domain binds VDACs and opens the mitochondrial permeability transition pore (mPTP) in a CypD-independent manner. The opening of mPTP induced by eMTD is inhibited either by down-regulation of VDAC2 or by the VDACs inhibitor DIDS. These results indicate that the MTD domain of Noxa causes mitochondrial damage by opening mPTP through VDACs, especially VDAC2, during necrotic cell death.
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Affiliation(s)
- Ji-Hye Han
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju, 61452, Korea
| | - Junghee Park
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju, 61452, Korea
| | - Seung-Hyun Myung
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju, 61452, Korea
| | - Sung Hang Lee
- Department of Molecular and Cellular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju, 61452, Korea
| | - Hwa-Young Kim
- Department of Biochemistry and Molecular Biology, Yeungnam University College of Medicine, Daegu, Korea
| | - Kyung Sook Kim
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Young-Woo Seo
- Korea Basic Science Institute Gwang-Ju Center, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwang-ju, 61186, Korea.
| | - Tae-Hyoung Kim
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju, 61452, Korea.
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50
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Zhao X, Ren Y, Lawlor M, Shah BD, Park PMC, Lwin T, Wang X, Liu K, Wang M, Gao J, Li T, Xu M, Silva AS, Lee K, Zhang T, Koomen JM, Jiang H, Sudalagunta PR, Meads MB, Cheng F, Bi C, Fu K, Fan H, Dalton WS, Moscinski LC, Shain KH, Sotomayor EM, Wang GG, Gray NS, Cleveland JL, Qi J, Tao J. BCL2 Amplicon Loss and Transcriptional Remodeling Drives ABT-199 Resistance in B Cell Lymphoma Models. Cancer Cell 2019; 35:752-766.e9. [PMID: 31085176 PMCID: PMC6945775 DOI: 10.1016/j.ccell.2019.04.005] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/19/2018] [Accepted: 04/13/2019] [Indexed: 10/26/2022]
Abstract
Drug-tolerant "persister" tumor cells underlie emergence of drug-resistant clones and contribute to relapse and disease progression. Here we report that resistance to the BCL-2 targeting drug ABT-199 in models of mantle cell lymphoma and double-hit lymphoma evolves from outgrowth of persister clones displaying loss of 18q21 amplicons that harbor BCL2. Further, persister status is generated via adaptive super-enhancer remodeling that reprograms transcription and offers opportunities for overcoming ABT-199 resistance. Notably, pharmacoproteomic and pharmacogenomic screens revealed that persisters are vulnerable to inhibition of the transcriptional machinery and especially to inhibition of cyclin-dependent kinase 7 (CDK7), which is essential for the transcriptional reprogramming that drives and sustains ABT-199 resistance. Thus, transcription-targeting agents offer new approaches to disable drug resistance in B-cell lymphomas.
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Affiliation(s)
- Xiaohong Zhao
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Yuan Ren
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Matthew Lawlor
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Bijal D Shah
- Department of Malignant Hematology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Paul M C Park
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Tint Lwin
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Xuefeng Wang
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Kenian Liu
- Department of Laboratory Medicine and Hematopathology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Michelle Wang
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Jing Gao
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Tao Li
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; Department of VIP Medical Services, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Mousheng Xu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Ariosto S Silva
- Department of Cancer Physiology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Kaplan Lee
- BayCare Laboratories, LLC, Tampa, FL 33634, USA
| | - Tinghu Zhang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - John M Koomen
- Department of Molecular Oncology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Huijuan Jiang
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Praneeth R Sudalagunta
- Department of Cancer Physiology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Mark B Meads
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Fengdong Cheng
- Department of Hematology and Oncology, George Washington University, Washington, DC 20052, USA
| | - Chengfeng Bi
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68106, USA
| | - Kai Fu
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68106, USA
| | - Huitao Fan
- Lineberger Comprehensive Cancer Center, Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
| | - William S Dalton
- Department of Malignant Hematology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Lynn C Moscinski
- Department of Laboratory Medicine and Hematopathology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Kenneth H Shain
- Department of Malignant Hematology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Eduardo M Sotomayor
- Department of Hematology and Oncology, George Washington University, Washington, DC 20052, USA
| | - Gang Greg Wang
- Lineberger Comprehensive Cancer Center, Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, Boston, MA 02215, USA
| | - John L Cleveland
- Department of Tumor Biology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Jun Qi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Medicine, Harvard Medical School, Boston, MA 02215, USA.
| | - Jianguo Tao
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; Department of Laboratory Medicine and Hematopathology, Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA.
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