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Mubarak SJ, Gupta S, Vedagiri H. Scaffold Hopping and Screening for Potent Small Molecule Agonists for GRP94: Implications to Alleviate ER Stress-Associated Pathogenesis. Mol Biotechnol 2024; 66:737-755. [PMID: 36763304 DOI: 10.1007/s12033-023-00685-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/27/2023] [Indexed: 02/11/2023]
Abstract
Disparity in the activity of Endoplasmic reticulum (ER) leads to degenerative diseases, mainly associated with protein misfolding and aggregation leading to cellular dysfunction and damage, ultimately contributing to ER stress. ER stress activates the complex network of Unfolded Protein Response (UPR) signaling pathways mediated by transmembrane proteins IRE1, ATF6, and PERK. In addition to UPR, many ER chaperones have evolved to optimize the output of properly folded secretory and membrane proteins. Glucose-regulated protein 94 (GRP94), an ER chaperone of heat shock protein HSP90 family, directs protein folding through interaction with other components of the ER protein folding machinery and assists in ER-associated degradation (ERAD). Activation of GRP94 would increase the efficacy of protein folding machinery and regulate the UPR pathway toward homeostasis. The present study aims to screen for novel agonists for GRP94 based on Core hopping, pharmacophore hypothesis, 3D-QSAR, and virtual screening with small-molecule compound libraries in order to improve the efficiency of native protein folding by enhancing GRP94 chaperone activity, therefore to reduce protein misfolding and aggregation. In this study, we have employed the strategy of small molecule-dependent ER programming to enhance the chaperone activity of GRP94 through scaffold hopping-based screening approach to identify specific GRP94 agonists. New scaffolds generated by altering the cores of NECA, the known GRP94 agonist, were validated by employing pharmacophore hypothesis testing, 3D-QSAR modeling, and molecular dynamics simulations. This facilitated the identification of small molecules to improve the efficiency of native protein folding by enhancing GRP94 activity. High-throughput virtual screening of the selected pharmacophore hypothesis against Selleckchem and ZINC databases retrieved a total of 2,27,081 compounds. Further analysis on docking and ADMET properties revealed Epimedin A, Narcissoside, Eriocitrin 1,2,3,4,6-O-Pentagalloylglucose, Secoisolariciresinol diglucoside, ZINC92952357, ZINC67650204, and ZINC72457930 as potential lead molecules. The stability and interaction of these small molecules were far better than the known agonist, NECA indicating their efficacy in selectively alleviating ER stress-associated pathogenesis. These results substantiate the fact that small molecule-dependent ER reprogramming would activate the ER chaperones and therefore reduce the protein misfolding as well as aggregation associated with ER stress in order to restore cellular homeostasis.
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Affiliation(s)
| | - Surabhi Gupta
- Department of Reproductive Biology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Hemamalini Vedagiri
- Department of Bioinformatics, Bharathiar University, Coimbatore, Tamil Nadu, India.
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Gan X, Wang F, Luo J, Zhao Y, Wang Y, Yu C, Chen J. Proteolysis Targeting Chimeras (PROTACs) based on celastrol induce multiple protein degradation for triple-negative breast cancer treatment. Eur J Pharm Sci 2024; 192:106624. [PMID: 37898394 DOI: 10.1016/j.ejps.2023.106624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
The pursuit of single drugs targeting multiple targets has become a prominent trend in modern cancer therapeutics. Natural products, known for their multi-targeting capabilities, accessibility, and cost-effectiveness, hold great potential for the development of multi-target drugs. However, their therapeutic efficacy is often hindered by complex structural modifications and limited anti-tumor activity. In this study, we present a novel approach using celastrol (CST)-based Proteolysis Targeting Chimeras (PROTACs) for breast cancer therapy. Through rational design, we have successfully developed compound 6a, a potent multiple protein degrader capable of selectively degrading GRP94 and CDK1/4 in tumor cells via the endogenous ubiquitin-proteasome system. Furthermore, compound 6a has demonstrated remarkable inhibitory effects on cell proliferation and migration, and induction of apoptosis in 4T1 cells through cell cycle arrest and activation of the Bcl-2/Bax/cleaved Caspase-3 apoptotic pathway. In vivo administration of compound 6a has effectively suppressed tumor growth with an acceptable safety profile. Our findings suggest that the CST-based PROTACs described herein can be readily extended to other natural products, offering a potential avenue for the development of natural product-based PROTACs for cancer treatment.
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Affiliation(s)
- Xuelan Gan
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China
| | - Fan Wang
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China
| | - Jianguo Luo
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China
| | - Yunfei Zhao
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China
| | - Yan Wang
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China
| | - Chao Yu
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China.
| | - Jun Chen
- Chongqing Key Laboratory for Pharmaceutical Metabolism Research, Chongqing Pharmacodynamic Evaluation Engineering Technology Research Center, College of Pharmacy, Chongqing Medical University, No.1 Yixueyuan Road, Chongqing 400016, China.
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Liu K, Qu Y, Li B, Zeng N, Yao G, Wu X, Xu H, Yan C, Wu L. GRP94 in cerebrospinal fluid may contribute to a potential biomarker of depression: Based on proteomics. J Psychiatr Res 2024; 169:328-340. [PMID: 38081093 DOI: 10.1016/j.jpsychires.2023.11.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/03/2023] [Accepted: 11/15/2023] [Indexed: 01/15/2024]
Abstract
The present study was designed to investigate potential biomarkers of depression and targets of antidepressants from the perspective of hippocampal endoplasmic reticulum stress (ERS) based on cerebrospinal fluid (CSF) proteomics. Firstly, a six-week depression model was established and treated with fluoxetine (FLX). We found antidepressant-FLX could ameliorate depression-like behaviors and cognition in depressed rats caused by chronic unpredictable mild stress (CUMS). FLX significantly increased neuronal numbers in dentate gyrus (DG) and CA3 regions of hippocampus. CSF proteome data revealed thirty-seven differentially expressed proteins (DEPs) co-regulated by CUMS and FLX, including GRP94 and EIF2α. Results of Gene Oncology (GO) annotation and KEGG pathway enrichment for DEPs mainly included PERK-mediated unfolded protein response, endoplasmic reticulum, and translational initiation. The expression levels of GRP94, p-PERK, p-EIF2α, CHOP and Caspase-12 were increased in hippocampus of CUMS rats, and FLX worked the opposite way. FLX had strong affinity and binding activity with GRP94 protein, and four key proteins on the PERK pathway (PERK, EIF2α, p-EIF2α, CHOP). We proposed that FLX may exert antidepressant effects and neuroprotective action by alleviating excessive activation of the hippocampal PERK pathway and reducing neuronal deficits in depressed rats. PERK, EIF2α, p-EIF2α, and CHOP may be potential targets for antidepressant-FLX. GRP94 in CSF may be a potential biomarker of depression and the therapeutic effects of antidepressants.
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Affiliation(s)
- Kaige Liu
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yue Qu
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Bozhi Li
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Ningxi Zeng
- Department of Rehabilitation Medicine, The People's Hospital of Longhua District, Shenzhen, 518109, China
| | - Gaolei Yao
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaofeng Wu
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hanfang Xu
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Can Yan
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Lili Wu
- Integrative Medicine Research Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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Lu Y, Li D, Ai H, Xie X, Jiang X, Afrasiyab, Zhang H, Xu J, Huang S. Glucose-regulated protein 94 facilitates the proliferation of the Bombyx mori nucleopolyhedrovirus via inhibiting apoptosis. Int J Biol Macromol 2023; 253:127158. [PMID: 37802442 DOI: 10.1016/j.ijbiomac.2023.127158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/19/2023] [Accepted: 09/28/2023] [Indexed: 10/10/2023]
Abstract
Glucose regulatory protein 94 (GRP94) is an endoplasmic reticulum (ER)-resident member of the heat shock protein 90 (HSP90) family, that plays an important role in secreted protein folding. Bombyx mori nuclear polyhedrosis virus (BmNPV) is one of the main pathogens in sericulture, causing serious economic losses every year. Previous studies showed that HSP90 members promote BmNPV replication in silkworm, but the function of BmGRP94 in BmNPV infection and proliferation is still not understood. In this study, we investigated the interplay between BmGRP94 and BmNPV infection in silkworm. We first identified a single gene of BmGRP94 in the Bombyx mori genome, which encodes a polypeptide with 810 amino acids in length. Spatio-temporal expression profiles showed that BmGRP94 was highly expressed in hemocytes and midgut, and was significantly induced by BmNPV infection. Furthermore, overexpression of BmGRP94 facilitates viral proliferation, while BmGRP94 inhibition evidently decreased BmNPV proliferation in BmN cells and in silkworm midgut. Mechanistically, BmGRP94 inhibition triggers ER stress, as judged by increased expression of PERK/ATF4/ERO1, H2O2 production, and ER calcium efflux, which promotes cell apoptosis to restrict BmNPV replication in silkworm. These results suggest that BmGRP94 plays an important role in facilitating BmNPV proliferation, and provides a potential molecular target for BmNPV prevention.
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Affiliation(s)
- Yiting Lu
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Danting Li
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Heng Ai
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Xiuzhi Xie
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Xiaochun Jiang
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Afrasiyab
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Hualing Zhang
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu 611130, China
| | - Jiaping Xu
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China.
| | - Shoujun Huang
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China; Anhui Province Key Laboratory of Resource Insect Biology and Innovative Utilization, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China.
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Castelli M, Yan P, Rodina A, Digwal CS, Panchal P, Chiosis G, Moroni E, Colombo G. How aberrant N-glycosylation can alter protein functionality and ligand binding: An atomistic view. Structure 2023; 31:987-1004.e8. [PMID: 37343552 PMCID: PMC10526633 DOI: 10.1016/j.str.2023.05.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 04/21/2023] [Accepted: 05/25/2023] [Indexed: 06/23/2023]
Abstract
Protein-assembly defects due to an enrichment of aberrant conformational protein variants are emerging as a new frontier in therapeutics design. Understanding the structural elements that rewire the conformational dynamics of proteins and pathologically perturb functionally oriented ensembles is important for inhibitor development. Chaperones are hub proteins for the assembly of multiprotein complexes and an enrichment of aberrant conformers can affect the cellular proteome, and in turn, phenotypes. Here, we integrate computational and experimental tools to investigte how N-glycosylation of specific residues in glucose-regulated protein 94 (GRP94) modulates internal dynamics and alters the conformational fitness of regions fundamental for the interaction with ATP and synthetic ligands and impacts substructures important for the recognition of interacting proteins. N-glycosylation plays an active role in modulating the energy landscape of GRP94, and we provide support for leveraging the knowledge on distinct glycosylation variants to design molecules targeting GRP94 disease-associated conformational states and assemblies.
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Affiliation(s)
- Matteo Castelli
- Department of Chemistry, University of Pavia, via Taramelli 12, 27100 Pavia, Italy
| | - Pengrong Yan
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Anna Rodina
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Chander S Digwal
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Palak Panchal
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Gabriela Chiosis
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
| | | | - Giorgio Colombo
- Department of Chemistry, University of Pavia, via Taramelli 12, 27100 Pavia, Italy.
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Zhou M, Chen H, Zeng Y, Lv Z, Hu X, Tong Y, Wang P, Zhao M, Mu R, Yu J, Chen Y, Wei L, Gu J, Lan Q, Zhen X, Han L. DH5α Outer Membrane-Coated Biomimetic Nanocapsules Deliver Drugs to Brain Metastases but not Normal Brain Cells via Targeting GRP94. Small 2023; 19:e2300403. [PMID: 37104822 DOI: 10.1002/smll.202300403] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 04/17/2023] [Indexed: 06/19/2023]
Abstract
Receptor-mediated vesicular transport has been extensively developed to penetrate the blood-brain barrier (BBB) and has emerged as a class of powerful brain-targeting delivery technologies. However, commonly used BBB receptors such as transferrin receptor and low-density lipoprotein receptor-related protein 1, are also expressed in normal brain parenchymal cells and can cause drug distribution in normal brain tissues and subsequent neuroinflammation and cognitive impairment. Here, the endoplasmic reticulum residing protein GRP94 is found upregulated and relocated to the cell membrane of both BBB endothelial cells and brain metastatic breast cancer cells (BMBCCs) by preclinical and clinical investigations. Inspired by that Escherichia coli penetrates the BBB via the binding of its outer membrane proteins with GRP94, avirulent DH5α outer membrane protein-coated nanocapsules (Omp@NCs) are developed to cross the BBB, avert normal brain cells, and target BMBCCs via recognizing GRP94. Embelin (EMB)-loaded Omp@EMB specifically reduce neuroserpin in BMBCCs, which inhibits vascular cooption growth and induces apoptosis of BMBCCs by restoring plasmin. Omp@EMB plus anti-angiogenic therapy prolongs the survival of mice with brain metastases. This platform holds the translational potential to maximize therapeutic effects on GRP94-positive brain diseases.
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Affiliation(s)
- Mengyuan Zhou
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
- MJiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Haiyan Chen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Yuteng Zeng
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Ziyan Lv
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Xiaoxiao Hu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Yang Tong
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Pan Wang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Mei Zhao
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Rui Mu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Ju Yu
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, P. R. China
| | - Yanming Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, P. R. China
| | - Lin Wei
- MJiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, 215123, P. R. China
- School of Life Science, Anhui Medical University, Hefei, 230032, P. R. China
| | - Jiang Gu
- National Engineering Research Centre of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, P. R. China
| | - Qing Lan
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, P. R. China
| | - Xuechu Zhen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
| | - Liang Han
- Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, P. R. China
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Albakova Z, Mangasarova Y, Albakov A, Gorenkova L. Corrigendum: HSP70 and HSP90 in cancer: cytosolic, endoplasmic reticulum and mitochondrial chaperones of tumorigenesis. Front Oncol 2023; 13:1210051. [PMID: 37207142 PMCID: PMC10189099 DOI: 10.3389/fonc.2023.1210051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/21/2023] Open
Abstract
[This corrects the article DOI: 10.3389/fonc.2022.829520.].
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Affiliation(s)
- Zarema Albakova
- Department of Biology, Lomonosov Moscow State University, Moscow, Russia
- Chokan Limited Liability Partnership (LLP), Almaty, Kazakhstan
- *Correspondence: Zarema Albakova,
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Wang X, Xin H, Zhang C, Gu X, Hao Y. GRP94 Inhabits the Immortalized Porcine Hepatic Stellate Cells Apoptosis under Endoplasmic Reticulum Stress through Modulating the Expression of IGF-1 and Ubiquitin. Int J Mol Sci 2022; 23. [PMID: 36430538 DOI: 10.3390/ijms232214059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/15/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
Endoplasmic reticulum stress (ERS) is closely related to the occurrence and progression of metabolic liver disease. The treatment targeting glucose-regulated protein 94 (GRP94) for liver disease has gotten much attention, but the specific effect of GRP94 on hepatocyte apoptosis is still unclear. So far, all the studies on GRP94 have been conducted in mice or rats, and little study has been reported on pigs, which share more similarities with humans. In this study, we used low-dose (LD) and high-dose (HD) tunicamycin (TM) to establish ERS models on piglet livers and immortalized porcine hepatic stellate cells (HSCs). On the piglet ERS model we found that ERS could significantly (p < 0.01) stimulate the secretion and synthesis of insulin-like growth factor (IGF-1), IGF-1 receptor (IGF-1R), and IGF-binding protein (IGFBP)-1 and IGFBP-3; however, with the increase in ERS degree, the effect of promoting secretion and synthesis significantly (p < 0.01) decreased. In addition, the ubiquitin protein and ubiquitination-related gene were significantly increased (p < 0.05) in the LD group compared with the vehicle group. The protein level of Active-caspase 3 was significantly increased (p < 0.01) in the HD group, however, the TUNEL staining showed there was no significant apoptosis in the piglet liver ERS model. To explore the biofunction of ER chaperone GRP94, we used shRNA to knock down the expression of GRP94 in porcine HSCs. Interestingly, on porcine HSCs, the knockdown of GRP94 significantly (p < 0.05) decreased the secretion of IGF-1, IGFBP-1 and IGFBP-3 under ERS, but had no significant effect on these under normal condition, and knockdown GRP94 had a significant (p < 0.01) effect on the UBE2E gene and ubiquitin protein from the analysis of two-way ANOVA. On porcine HSCs apoptosis, the knockdown of GRP94 increased the cell apoptosis in TUNEL staining, and the two-way ANOVA analysis shows that knockdown GRP94 had a significant (p < 0.01) effect on the protein levels of Bcl-2 and Caspase-3. For CCK-8 assay, ERS had a significant inhibitory(p < 0.05) effect on cell proliferation when treated with ERS for 24 h, and both knockdown GRP94 and ERS had a significant inhibitory(p < 0.05) effect on cell proliferation when treated with ERS for 36 h and 48 h. We concluded that GRP94 can protect the cell from ERS-induced apoptosis by promoting the IGF-1 system and ubiquitin. These results provide valuable information on the adaptive mechanisms of the liver under ERS, and could help identify vital functional genes to be applied as possible diagnostic biomarkers and treatments for diseases induced by ERS in the future.
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Bouchard A, Sikner H, Baverel V, Garnier AR, Monterrat M, Moreau M, Limagne E, Garrido C, Kohli E, Collin B, Bellaye PS. The GRP94 Inhibitor PU-WS13 Decreases M2-like Macrophages in Murine TNBC Tumors: A Pharmaco-Imaging Study with 99mTc-Tilmanocept SPECT. Cells 2021; 10:cells10123393. [PMID: 34943901 PMCID: PMC8699502 DOI: 10.3390/cells10123393] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 01/19/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is the most aggressive subtype of breast cancers and is not eligible for hormone and anti-HER2 therapies. Identifying therapeutic targets and associated biomarkers in TNBC is a clinical challenge to improve patients' outcome and management. High infiltration of CD206+ M2-like macrophages in the tumor microenvironment (TME) indicates poor prognosis and survival in TNBC patients. As we previously showed that membrane expression of GRP94, an endoplasmic reticulum chaperone, was associated with the anti-inflammatory profile of human PBMC-derived M2 macrophages, we hypothesized that intra-tumoral CD206+ M2 macrophages expressing GRP94 may represent innovative targets in TNBC for theranostic purposes. We demonstrate in a preclinical model of 4T1 breast tumor-bearing BALB/c mice that (i) CD206-expressing M2-like macrophages in the TME of TNBC can be specifically detected and quantified using in vivo SPECT imaging with 99mTc-Tilmanocept, and (ii) the inhibition of GRP94 with the chemical inhibitor PU-WS13 induces a decrease in CD206-expressing M2-like macrophages in TME. This result correlated with reduced tumor growth and collagen content, as well as an increase in CD8+ cells in the TME. 99mTc-Tilmanocept SPECT imaging might represent an innovative non-invasive strategy to quantify CD206+ tumor-associated macrophages as a biomarker of anti-GRP94 therapy efficacy and TNBC tumor aggressiveness.
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Affiliation(s)
- Alexanne Bouchard
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue National Contre le Cancer and Laboratoire d’Excellence LipSTIC, Université Bourgogne Franche-Comté, 21000 Dijon, France; (V.B.); (C.G.)
| | - Hugo Sikner
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
| | - Valentin Baverel
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue National Contre le Cancer and Laboratoire d’Excellence LipSTIC, Université Bourgogne Franche-Comté, 21000 Dijon, France; (V.B.); (C.G.)
| | - Anaïs-Rachel Garnier
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
| | - Marie Monterrat
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
| | - Mathieu Moreau
- Institut de Chimie Moléculaire de l’Université de Bourgogne, UMR CNRS/uB 6302, Université de Bourgogne Franche-Comté, 21000 Dijon, France;
| | - Emeric Limagne
- Centre George-François Leclerc, Plateforme de Transfert en Biologie Cancérologique, 21000 Dijon, France;
| | - Carmen Garrido
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue National Contre le Cancer and Laboratoire d’Excellence LipSTIC, Université Bourgogne Franche-Comté, 21000 Dijon, France; (V.B.); (C.G.)
- Centre George-François Leclerc, 21000 Dijon, France
| | - Evelyne Kohli
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue National Contre le Cancer and Laboratoire d’Excellence LipSTIC, Université Bourgogne Franche-Comté, 21000 Dijon, France; (V.B.); (C.G.)
- UFR des Sciences de Santé, Université de Bourgogne, 21000 Dijon, France
- University Hospital (CHU), 21000 Dijon, France
- Correspondence: (E.K.); (P.-S.B.); Tel.: +33-345-348-119 (P.-S.B.)
| | - Bertrand Collin
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
- Institut de Chimie Moléculaire de l’Université de Bourgogne, UMR CNRS/uB 6302, Université de Bourgogne Franche-Comté, 21000 Dijon, France;
- UFR des Sciences de Santé, Université de Bourgogne, 21000 Dijon, France
| | - Pierre-Simon Bellaye
- Centre George-François Leclerc, Service de Médecine Nucléaire, Plateforme d’imagerie et de Radiothérapie Précliniques, 21000 Dijon, France; (A.B.); (H.S.); (A.-R.G.); (M.M.); (B.C.)
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue National Contre le Cancer and Laboratoire d’Excellence LipSTIC, Université Bourgogne Franche-Comté, 21000 Dijon, France; (V.B.); (C.G.)
- Correspondence: (E.K.); (P.-S.B.); Tel.: +33-345-348-119 (P.-S.B.)
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10
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Sharma S, Ahmad F, Singh A, Rathaur S. Identification of glucose regulated protein94 (GRP94) in filarial parasite S. cervi and its expression under ER stress. Comp Biochem Physiol B Biochem Mol Biol 2021; 258:110683. [PMID: 34744019 DOI: 10.1016/j.cbpb.2021.110683] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/23/2021] [Accepted: 10/26/2021] [Indexed: 10/20/2022]
Abstract
GRP94, a member of HSP90 family, is involved in folding and degradation of endoplasmic reticulum proteins. The proteome analysis of Setaria cervi, a bovine filarial parasite showed that a 91 kDa protein was over expressed, after the parasites were maintained in glucose deprived medium. The MALDI- LC/MS analysis of the 91 kDa band confirmed it as endoplasmin precursor (GRP94). Amino acid sequence alignment of S.cervi GRP94 exhibited maximum similarity with human filarial parasite Wuchereria bancrofti, Brugia malayi and Loa loa GRP94. Tunicamycin treatment of S. cervi worms revealed that the expression of GRP94 is associated with ER stress. Transcription of S. cervi grp94 as well as igf is regulated by transcription factors ATF-6 and XBP-1S which was confirmed by Real Time PCR. Moreover, marked alteration in the expression of igf after 3 h and 6 h of drug treatment suggested propagation of survival pathway under ER stress. The activities of ER stress markers protein disulphide isomerase and glycosyltransferase were significantly reduced after 6 h of tunicamycin treatment. The present findings thus indicate that the expression of GRP94 and regulation of its expression is under ER stress in Setaria cervi. To our knowledge this is the first report of identification of GRP94, in any filarial parasite till date.
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Affiliation(s)
- Shweta Sharma
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Faiyaz Ahmad
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Anchal Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Sushma Rathaur
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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11
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Kohli E, Causse S, Baverel V, Dubrez L, Borges-Bonan N, Demidov O, Garrido C. Endoplasmic Reticulum Chaperones in Viral Infection: Therapeutic Perspectives. Microbiol Mol Biol Rev 2021;:e0003521. [PMID: 34643441 DOI: 10.1128/MMBR.00035-21] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Viruses are intracellular parasites that subvert the functions of their host cells to accomplish their infection cycle. The endoplasmic reticulum (ER)-residing chaperone proteins are central for the achievement of different steps of the viral cycle, from entry and replication to assembly and exit. The most abundant ER chaperones are GRP78 (78-kDa glucose-regulated protein), GRP94 (94-kDa glucose-regulated protein), the carbohydrate or lectin-like chaperones calnexin (CNX) and calreticulin (CRT), the protein disulfide isomerases (PDIs), and the DNAJ chaperones. This review will focus on the pleiotropic roles of ER chaperones during viral infection. We will cover their essential role in the folding and quality control of viral proteins, notably viral glycoproteins which play a major role in host cell infection. We will also describe how viruses co-opt ER chaperones at various steps of their infectious cycle but also in order to evade immune responses and avoid apoptosis. Finally, we will discuss the different molecules targeting these chaperones and the perspectives in the development of broad-spectrum antiviral drugs.
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12
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Abstract
HSP90 is a vital chaperone protein conserved across all organisms. As a chaperone protein, it correctly folds client proteins. Structurally, this protein is a dimer with monomer subunits that consist of three main conserved domains known as the N-terminal domain, middle domain, and the C-terminal domain. Multiple isoforms of HSP90 exist, and these isoforms share high homology. These isoforms are present both within the cell and outside the cell. Isoforms HSP90α and HSP90β are present in the cytoplasm; TRAP1 is present in the mitochondria; and GRP94 is present in the endoplasmic reticulum and is likely secreted due to post-translational modifications (PTM). HSP90 is also secreted into an extracellular environment via an exosome pathway that differs from the classic secretion pathway. Various co-chaperones are necessary for HSP90 to function. Elevated levels of HSP90 have been observed in patients with cancer. Despite this observation, the possible role of HSP90 in cancer was overlooked because the chaperone was also present in extreme amounts in normal cells and was vital to normal cell function, as observed when the drastic adverse effects resulting from gene knockout inhibited the production of this protein. Differences between normal HSP90 and HSP90 of the tumor phenotype have been better understood and have aided in making the chaperone protein a target for cancer drugs. One difference is in the conformation: HSP90 of the tumor phenotype is more susceptible to inhibitors. Since overexpression of HSP90 is a factor in tumorigenesis, HSP90 inhibitors have been studied to combat the adverse effects of HSP90 overexpression. Monotherapies using HSP90 inhibitors have shown some success; however, combination therapies have shown better results and are thus being studied for a more effective cancer treatment.
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Affiliation(s)
- Bereket Birbo
- Massachusetts Institute of Technology, Cambridge, MA 02139, USA;
| | - Elechi E. Madu
- Departments of Biological Sciences, University of Memphis, Memphis, TN 38152, USA; (E.E.M.); (C.O.M.); (A.J.)
| | - Chikezie O. Madu
- Departments of Biological Sciences, University of Memphis, Memphis, TN 38152, USA; (E.E.M.); (C.O.M.); (A.J.)
| | - Aayush Jain
- Departments of Biological Sciences, University of Memphis, Memphis, TN 38152, USA; (E.E.M.); (C.O.M.); (A.J.)
| | - Yi Lu
- Health Science Center, Department of Pathology and Laboratory Medicine, University of Tennessee, Memphis, TN 38163, USA
- Correspondence: ; Tel.: +1-(901)-448-5436; Fax: +1-(901)-448-5496
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13
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Samy A, Yamano-Adachi N, Koga Y, Omasa T. Secretion of a low-molecular-weight species of endogenous GRP94 devoid of the KDEL motif during endoplasmic reticulum stress in Chinese hamster ovary cells. Traffic 2021; 22:425-438. [PMID: 34536241 PMCID: PMC9293085 DOI: 10.1111/tra.12818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 08/02/2021] [Accepted: 09/14/2021] [Indexed: 01/04/2023]
Abstract
GRP94 (glucose‐regulated protein 94) is a well‐studied chaperone with a lysine, aspartic acid, glutamic acid and leucine (KDEL) motif at its C‐terminal, which is responsible for GRP94 localization in the endoplasmic reticulum (ER). GRP94 is upregulated during ER stress to help fold unfolded proteins or direct proteins to ER‐associated degradation. In a previous study, engineered GRP94 without the KDEL motif stimulated a powerful immune response in vaccine cells. In this report, we show that endogenous GRP94 is naturally secreted into the medium in a truncated form that lacks the KDEL motif in Chinese hamster ovary cells. The secretion of the truncated form of GRP94 was stimulated by the induction of ER stress. These truncations prevent GRP94 recognition by KDEL receptors and retention inside the cell. This study sheds light on a potential trafficking phenomenon during the unfolded protein response that may help understand the functional role of GRP94 as a trafficking molecule.
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Affiliation(s)
- Andrew Samy
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan
| | - Noriko Yamano-Adachi
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan.,Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
| | - Yuichi Koga
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan.,Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
| | - Takeshi Omasa
- Department of Biotechnology, Graduate School of Engineering, Osaka University, Suita, Japan.,Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
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14
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Yao Q, Outeda P, Xu H, Walker R, Basquin D, Qian F, Cebotaru L, Watnick T, Cebotaru V. Polycystin-1 dependent regulation of polycystin-2 via GRP94, a member of HSP90 family that resides in the endoplasmic reticulum. FASEB J 2021; 35:e21865. [PMID: 34486178 DOI: 10.1096/fj.202100325rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 11/11/2022]
Abstract
Autosomal dominant polycystic kidney disease is a common inherited renal disorder that results from mutations in either PKD1 or PKD2, encoding polycystin-1 (PC1) and polycystin-2 (PC2), respectively. Downregulation or overexpression of PKD1 or PKD2 in mouse models results in renal cyst formation, suggesting that the quantity of PC1 and PC2 needs to be maintained within a tight functional window to prevent cystogenesis. Here we show that enhanced PC2 expression is a common feature of PKD1 mutant tissues, in part due to an increase in Pkd2 mRNA. However, our data also suggest that more effective protein folding contributes to the augmented levels of PC2. We demonstrate that the unfolded protein response is activated in Pkd1 knockout kidneys and in Pkd1 mutant cells and that this is coupled with increased levels of GRP94, an endoplasmic reticulum protein that is a member of the HSP90 family of chaperones. GRP94 was found to physically interact with PC2 and depletion or chemical inhibition of GRP94 led to a decrease in PC2, suggesting that GRP94 serves as its chaperone. Moreover, GRP94 is acetylated and binds to histone deacetylase 6 (HDAC6), a known deacetylase and activator of HSP90 proteins. Inhibition of HDAC6 decreased PC2 suggesting that HDAC6 and GRP94 work together to regulate PC2 levels. Lastly, we showed that inhibition of GRP94 prevents cAMP-induced cyst formation in vitro. Taken together our data uncovered a novel HDAC6-GRP94-related axis that likely participates in maintaining elevated PC2 levels in Pkd1 mutant cells.
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Affiliation(s)
- Qin Yao
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Patricia Outeda
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Hangxue Xu
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Rebecca Walker
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Denis Basquin
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Feng Qian
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Liudmila Cebotaru
- Division of Gastroenterology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Terry Watnick
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Valeriu Cebotaru
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
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15
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Hoter A, Naim HY. The glucose-regulated protein GRP94 interacts avidly in the endoplasmic reticulum with sucrase-isomaltase isoforms that are associated with congenital sucrase-isomaltase deficiency. Int J Biol Macromol 2021; 186:237-243. [PMID: 34242650 DOI: 10.1016/j.ijbiomac.2021.07.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 07/03/2021] [Accepted: 07/03/2021] [Indexed: 11/16/2022]
Abstract
The glucose-regulated protein GRP94 is a molecular chaperone that is located in the endoplasmic reticulum (ER). Here, we demonstrate in pull down experiments an interaction between GRP94 and sucrase-isomaltase (SI), the most prominent disaccharidase of the small intestine. GRP94 binds to SI exclusively via its mannose-rich form compatible with an interaction occurring in the ER. We have also examined the interaction GRP94 to a panel of SI mutants that are associated with congenital sucrase-isomaltase deficiency (CSID). These mutants exhibited more efficient binding to GRP94 than wild type SI underlining a specific role of this chaperone in the quality control in the ER. In view of the hypoxic milieu of the intestine, we probed the interaction of GRP94 to SI and its mutants in cell culture under hypoxic conditions and observed a substantial increase in the binding of GRP94 to the SI mutants. The interaction of GRP94 to the major carbohydrate digesting enzyme and regulating its folding as well as retaining SI mutants in the ER points to a potential role of GRP94 in maintenance of intestinal homeostasis by chaperoning and stabilizing SI.
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Affiliation(s)
- Abdullah Hoter
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Hassan Y Naim
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.
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16
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Yun S, Lee S, Lee HY, Oh HJ, Kwak Y, Lee HS. Clinicopathologic and Prognostic Association of GRP94 Expression in Colorectal Cancer with Synchronous and Metachronous Metastases. Int J Mol Sci 2021; 22:ijms22137042. [PMID: 34208855 PMCID: PMC8267630 DOI: 10.3390/ijms22137042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/22/2021] [Accepted: 06/22/2021] [Indexed: 01/04/2023] Open
Abstract
Patients with advanced colorectal cancer (CRC) with distant metastases have a poor prognosis. We evaluated the clinicopathological relevance of GRP94 expression in these cases. The immunohistochemical expression of GRP94 was studied in 189 CRC patients with synchronous (SM; n = 123) and metachronous metastases (MM; n = 66), using tissue microarray; the association between GRP94 expression, outcome, and tumor-infiltrating lymphocytes (TILs) was also evaluated. GRP94 was expressed in 64.6% (122/189) patients with CRC; GRP94 positivity was found in 67.5% and 59.1% patients with SM and MM, respectively. In the SM group, high GRP94 expression was more common in patients with a higher density of CD4+ TILs (p = 0.002), unlike in the MM group. Survival analysis showed that patients with GRP94 positivity had significantly favorable survival (p = 0.030); after multivariate analysis, GRP94 only served as an independent prognostic factor (p = 0.034; hazard ratio, 0.581; 95% confidence interval, 0.351-0.961) in the SM group. GRP94 expression was detected in 49.4% of metastatic sites and showed significant heterogeneity between primary and metastatic lesions (p = 0.012). GRP94 is widely expressed in CRC with distant metastases; its expression was associated with favorable prognosis in the SM group, unlike in the MM group.
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Affiliation(s)
- Sumi Yun
- Samkwang Medical Laboratories, Department of Diagnostic Pathology, Seoul 06742, Korea;
| | - Sukmook Lee
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea;
| | - Ho-Young Lee
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 13620, Korea;
| | - Hyeon Jeong Oh
- Department of Pathology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 13620, Korea;
| | - Yoonjin Kwak
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
- Correspondence: (Y.K.); (H.S.L.)
| | - Hye Seung Lee
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea
- Correspondence: (Y.K.); (H.S.L.)
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17
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Yan P, Patel HJ, Sharma S, Corben A, Wang T, Panchal P, Yang C, Sun W, Araujo TL, Rodina A, Joshi S, Robzyk K, Gandu S, White JR, de Stanchina E, Modi S, Janjigian YY, Hill EG, Liu B, Erdjument-Bromage H, Neubert TA, Que NLS, Li Z, Gewirth DT, Taldone T, Chiosis G. Molecular Stressors Engender Protein Connectivity Dysfunction through Aberrant N-Glycosylation of a Chaperone. Cell Rep 2021; 31:107840. [PMID: 32610141 PMCID: PMC7372946 DOI: 10.1016/j.celrep.2020.107840] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/04/2020] [Accepted: 06/09/2020] [Indexed: 01/08/2023] Open
Abstract
Stresses associated with disease may pathologically remodel the proteome by both increasing interaction strength and altering interaction partners, resulting in proteome-wide connectivity dysfunctions. Chaperones play an important role in these alterations, but how these changes are executed remains largely unknown. Our study unveils a specific N-glycosylation pattern used by a chaperone, Glucose-regulated protein 94 (GRP94), to alter its conformational fitness and stabilize a state most permissive for stable interactions with proteins at the plasma membrane. This "protein assembly mutation' remodels protein networks and properties of the cell. We show in cells, human specimens, and mouse xenografts that proteome connectivity is restorable by inhibition of the N-glycosylated GRP94 variant. In summary, we provide biochemical evidence for stressor-induced chaperone-mediated protein mis-assemblies and demonstrate how these alterations are actionable in disease.
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Affiliation(s)
- Pengrong Yan
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Hardik J Patel
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Sahil Sharma
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Adriana Corben
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Currently at Mount Sinai Hospital, New York, NY 10029, USA
| | - Tai Wang
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Palak Panchal
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Chenghua Yang
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Currently at Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Weilin Sun
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Thais L Araujo
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Anna Rodina
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Suhasini Joshi
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Kenneth Robzyk
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Srinivasa Gandu
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Julie R White
- Comparative Pathology Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Elisa de Stanchina
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Shanu Modi
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Yelena Y Janjigian
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Elizabeth G Hill
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Bei Liu
- Pelotonia Institute for Immuno-Oncology, The Ohio State University, Columbus, OH 43210, USA
| | - Hediye Erdjument-Bromage
- Department of Cell Biology and Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, NY 10016, USA
| | - Thomas A Neubert
- Department of Cell Biology and Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, NY 10016, USA
| | - Nanette L S Que
- Hauptman-Woodward Medical Research Institute, Buffalo, NY 14203, USA
| | - Zihai Li
- Pelotonia Institute for Immuno-Oncology, The Ohio State University, Columbus, OH 43210, USA
| | - Daniel T Gewirth
- Hauptman-Woodward Medical Research Institute, Buffalo, NY 14203, USA
| | - Tony Taldone
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Gabriela Chiosis
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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18
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Santana-Codina N, Muixí L, Foj R, Sanz-Pamplona R, Badia-Villanueva M, Abramowicz A, Marcé-Grau A, Cosialls AM, Gil J, Archilla I, Pedrosa L, Gonzalez J, Aldecoa I, Sierra A. GRP94 promotes brain metastasis by engaging pro-survival autophagy. Neuro Oncol 2021; 22:652-664. [PMID: 31637425 DOI: 10.1093/neuonc/noz198] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND GRP94 is a glucose-regulated protein critical for survival in endoplasmic reticulum stress. Expression of GRP94 is associated with cellular transformation and increased tumorigenicity in breast cancer. Specifically, overexpression of GRP94 predicts brain metastasis (BM) in breast carcinoma patients with either triple negative or ErbB2 positive tumors. The aim of this study was to understand if microenvironmental regulation of GRP94 expression might be a hinge orchestrating BM progression. METHODS GRP94 ablation was performed in a BM model BR-eGFP-CMV/Luc-V5CA1 (BRV5CA1) of breast cancer. In vitro results were validated in a dataset of 29 metastases in diverse organs from human breast carcinomas and in BM tissue from tumors of different primary origin. BM patient-derived xenografts (PDXs) were used to test sensitivity to the therapeutic approach. RESULTS BMs that overexpress GRP94 as well as tumor necrosis factor receptor-associated factor 2 are more resistant to glucose deprivation by induction of anti-apoptotic proteins (B-cell lymphoma 2 and inhibitors of apoptosis proteins) and engagement of pro-survival autophagy. GRP94 ablation downregulated autophagy in tumor cells, resulting in increased BM survival in vivo. These results were validated in a metastasis dataset from human patients, suggesting that targeting autophagy might be strategic for BM prevention. Indeed, hydroxychloroquine treatment of preclinical models of BM from PDX exerts preventive inhibition of tumor growth (P < 0.001). CONCLUSIONS We show that GRP94 is directly implicated in BM establishment by activating pro-survival autophagy. Disruption of this compensatory fueling route might prevent metastatic growth.
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Affiliation(s)
- Naiara Santana-Codina
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,Autonomous University of Barcelona, Campus Bellaterra, Cerdanyola del Vallés, Barcelona, Spain
| | - Laia Muixí
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ruben Foj
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Rebeca Sanz-Pamplona
- Unit of Biomarkers and Susceptibility, Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology (ICO), Colorectal Cancer Group, ONCOBELL Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Epidemiologia y Salud Pública (CIBERESP), Madrid, Spain
| | - Miriam Badia-Villanueva
- Laboratory of Molecular and Translational Oncology, Center of Biomedical Research-August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Agata Abramowicz
- Maria Sklodowska-Curie Institute-Oncology Center, Gliwice, Poland
| | - Anna Marcé-Grau
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ana María Cosialls
- Department of Physiological Sciences, School of Medicine and Health Sciences, Campus Bellvitge, Universitat de Barcelona, Oncobell, Bellvitge Medical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Joan Gil
- Department of Physiological Sciences, School of Medicine and Health Sciences, Campus Bellvitge, Universitat de Barcelona, Oncobell, Bellvitge Medical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ivan Archilla
- Pathology Department, Center of Biomedical Diagnosis, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Leire Pedrosa
- Hematology and Oncology Department, Hospital Clinic Barcelona, IDIBAPS, Barcelona, Spain
| | - Josep Gonzalez
- Department of Neurosurgery Hospital Clinic Barcelona, IDIBAPS Advances in Neurosurgery Research Group, Barcelona, Spain
| | - Iban Aldecoa
- Pathology Department, Center of Biomedical Diagnosis, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Angels Sierra
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,Laboratory of Molecular and Translational Oncology, Center of Biomedical Research-August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain.,Health and Social Studies Center (CESS), University of Vic‒Central University of Catalonia, Vic, Spain
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19
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Kim JW, Cho YB, Lee S. Cell Surface GRP94 as a Novel Emerging Therapeutic Target for Monoclonal Antibody Cancer Therapy. Cells 2021; 10:cells10030670. [PMID: 33802964 PMCID: PMC8002708 DOI: 10.3390/cells10030670] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/11/2021] [Accepted: 03/14/2021] [Indexed: 12/15/2022] Open
Abstract
Glucose-regulated protein 94 (GRP94) is an endoplasmic reticulum (ER)-resident member of the heat shock protein 90 (HSP90) family. In physiological conditions, it plays a vital role in regulating biological functions, including chaperoning cellular proteins in the ER lumen, maintaining calcium homeostasis, and modulating immune system function. Recently, several reports have shown the functional role and clinical relevance of GRP94 overexpression in the progression and metastasis of several cancers. Therefore, the current review highlights GRP94’s physiological and pathophysiological roles in normal and cancer cells. Additionally, the unmet medical needs of small chemical inhibitors and the current development status of monoclonal antibodies specifically targeting GRP94 will be discussed to emphasize the importance of cell surface GRP94 as an emerging therapeutic target in monoclonal antibody therapy for cancer.
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20
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Corigliano MG, Sander VA, Sánchez López EF, Ramos Duarte VA, Mendoza Morales LF, Angel SO, Clemente M. Heat Shock Proteins 90 kDa: Immunomodulators and Adjuvants in Vaccine Design Against Infectious Diseases. Front Bioeng Biotechnol 2021; 8:622186. [PMID: 33553125 PMCID: PMC7855457 DOI: 10.3389/fbioe.2020.622186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/15/2020] [Indexed: 02/03/2023] Open
Abstract
Heat shock proteins 90 kDa (Hsp90s) were originally identified as stress-responsive proteins and described to participate in several homeostatic processes. Additionally, extracellular Hsp90s have the ability to bind to surface receptors and activate cellular functions related to immune response (cytokine secretion, cell maturation, and antigen presentation), making them very attractive to be studied as immunomodulators. In this context, Hsp90s are proposed as new adjuvants in the design of novel vaccine formulations that require the induction of a cell-mediated immune response to prevent infectious diseases. In this review, we summarized the adjuvant properties of Hsp90s when they are either alone, complexed, or fused to a peptide to add light to the knowledge of Hsp90s as carriers and adjuvants in the design of vaccines against infectious diseases. Besides, we also discuss the mechanisms by which Hsp90s activate and modulate professional antigen-presenting cells.
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Affiliation(s)
- Mariana G Corigliano
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Valeria A Sander
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Edwin F Sánchez López
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Víctor A Ramos Duarte
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Luisa F Mendoza Morales
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Sergio O Angel
- Unidad Biotecnológica 2-UB2, Laboratorio de Parasitología Molecular, INTECH, UNSAM-CONICET, Chascomús, Argentina
| | - Marina Clemente
- Unidad Biotecnológica 6-UB6, Laboratorio de Molecular Farming y Vacunas, INTECH, UNSAM-CONICET, Chascomús, Argentina
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21
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Batzorig U, Wei PL, Wang W, Huang CY, Chang YJ. Glucose-Regulated Protein 94 Mediates the Proliferation and Metastasis through the Regulation of ETV1 and MAPK Pathway in Colorectal Cancer. Int J Med Sci 2021; 18:2251-2261. [PMID: 33967600 PMCID: PMC8100635 DOI: 10.7150/ijms.56024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/15/2021] [Indexed: 12/02/2022] Open
Abstract
Colorectal cancer (CRC) is a worldwide health problem. Glucose-regulated protein 94 (GRP94) is known as an important endoplasmic reticulum-stress response protein that shows correlation with aggressive cancer behavior. However, the role of GRP94 in CRC is still unclear. Our results showed that silencing GRP94 (GRP94-KD) reduced cell proliferation, invasion and migration of CRC cells and suppressed tumorigenesis in the xenograft mouse model. Rescue assay showed that ETV1 overexpression reversed the effect of GRP94 on cell proliferation and migration. In the molecular mechanism, we found that knockdown of GRP94 inhibited the level of MAPK pathway, including ERK/p-ERK, JNK/p-JNK, and p38/p-p38 signals. Cyclooxygenase-2 and epithelial-mesenchymal transformation biomarkers, such as N-cadherin, vimentin, and β-catenin were suppressed in GRP94 knockdown cells. Treatment of specific inhibitors of MAPK pathway showed that ERK/p-ERK, and p38/p-p38 inhibitors significantly influenced ETV1 expression as compared to JNK/p-JNK inhibitor. Our results indicated that silencing GRP94 repressed the ability of EMT process, cancer cell proliferation, metastasis, and CRC tumorigenesis. Therefore, GRP94 may play an important role in CRC by regulating ETV1 and MAPK pathway.
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Affiliation(s)
- Uyanga Batzorig
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Po-Li Wei
- Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan.,Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.,Cancer Research Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan.,Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei 110, Taiwan
| | - Weu Wang
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Chien-Yu Huang
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.,Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan.,Division of Colorectal Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University.,Department of Pathology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yu-Jia Chang
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.,Department of Pathology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
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22
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Abstract
Glioblastoma (GBM) is the most common primary brain tumor, carrying a very poor prognosis, with median overall survival at about 12 to 15 months despite surgical resection, chemotherapy with temozolomide (TMZ), and radiation therapy. GBM recurs in the vast majority of patients, with recurrent tumors commonly displaying increase in resistance to standard of care chemotherapy, TMZ, as well as radiotherapy. One of the most commonly cited mechanisms of chemotherapeutic and radio-resistance occurs via the glucose-regulated protein 78 (GRP78), a well-studied mediator of the unfolded protein response (UPR), that has also demonstrated potential as a biomarker in GBM. Overexpression of GRP78 has been directly correlated with malignant tumor characteristics, including higher tumor grade, cellular proliferation, migration, invasion, poorer responses to TMZ and radiation therapy, and poorer patient outcomes. GRP78 expression is also higher in GBM tumor cells upon recurrence. Meanwhile, knockdown or suppression of GRP78 has been shown to sensitize cells to TMZ and radiation therapy. In light of these findings, various novel developing therapies are targeting GRP78 as monotherapies, combination therapies that enhance the effects of TMZ and radiation therapy, and as treatment delivery modalities. In this review, we delineate the mechanisms by which GRP78 has been noted to specifically modulate glioblastoma behavior and discuss current developing therapies involving GRP78 in GBM. While further research is necessary to translate these developing therapies into clinical settings, GRP78-based therapies hold promise in improving current standard-of-care GBM therapy and may ultimately lead to improved patient outcomes.
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Affiliation(s)
- Kristie Liu
- Keck School of Medicine of the University of Southern California, Los Angeles, CA, United States
| | - Kathleen Tsung
- Department of Neurosurgery, Keck School of Medicine of the University of Southern California, Los Angeles, CA, United States
| | - Frank J Attenello
- Department of Neurosurgery, Keck School of Medicine of the University of Southern California, Los Angeles, CA, United States
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23
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Yi J, Kim TS, Pak JH, Chung JW. Protective Effects of Glucose-Related Protein 78 and 94 on Cisplatin-Mediated Ototoxicity. Antioxidants (Basel) 2020; 9:E686. [PMID: 32748834 PMCID: PMC7465420 DOI: 10.3390/antiox9080686] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/31/2022] Open
Abstract
Cisplatin is a widely used chemotherapeutic drug for treating various solid tumors. Ototoxicity is a major dose-limiting side effect of cisplatin, which causes progressive and irreversible sensorineural hearing loss. Here, we examined the protective effects of glucose-related protein (GRP) 78 and 94, also identified as endoplasmic reticulum (ER) chaperone proteins, on cisplatin-induced ototoxicity. Treating murine auditory cells (HEI-OC1) with 25 μM cisplatin for 24 h increased cell death resulting from excessive intracellular reactive oxygen species (ROS) accumulation and caspase-involved apoptotic signaling pathway activation with subsequent DNA fragmentation. GRP78 and GRP94 expression was increased in cells treated with 3 nM thapsigargin or 0.1 μg/mL tunicamycin for 24 h, referred to as mild ER stress condition. This condition, prior to cisplatin exposure, attenuated cisplatin-induced ototoxicity. The involvement of GRP78 and GRP94 induction was demonstrated by the knockdown of GRP78 or GRP94 expression using small interfering RNAs, which abolished the protective effect of mild ER stress condition on cisplatin-induced cytotoxicity. These results indicated that GRP78 and GRP94 induction plays a protective role in remediating cisplatin-ototoxicity.
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Affiliation(s)
- Junyeong Yi
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
| | - Tae Su Kim
- Department of Otorhinolaryngology, School of Medicine, Kangwon National University, Gangwondaehakgil, Chuncheon, Gangwon-Do 24341, Korea
| | - Jhang Ho Pak
- Department of Convergence Medicine, University of Ulsan College of Medicine and Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
| | - Jong Woo Chung
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
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24
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Chen J, Yang S, Wu C, Cui Z, Wan Y, Xu G, Bao G, Zhang J, Chen C, Song D. Novel Role of HAX-1 in Neurons Protection After Spinal Cord Injury Involvement of IRE-1. Neurochem Res 2020; 45:2302-2311. [PMID: 32681444 DOI: 10.1007/s11064-020-03088-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 06/05/2020] [Accepted: 07/06/2020] [Indexed: 11/29/2022]
Abstract
Spinal cord injury (SCI) is one of the diseases with high probability of causing disability in human beings, and there is no reliable treatment at present. Neuronal apoptosis is a vital component of secondary injury and plays a critical role in the development of neurological dysfunction after spinal cord injury. In this study, we found that the expression and distribution of HAX-1 in neurons increased 1 day after SCI. PC12 cells overexpressing HAX-1 showed decreased apoptosis and PC12 cells are more likely to undergo apoptosis after down-regulating HAX-1, which was confirmed via TUNEL experiments. We found GRP94 showed the same trend as HAX-1 in expression and interacted with HAX-1 and IRE-1 in both spinal cord tissue and PC12 cells, and this interaction seems to be enhanced after SCI. When the expression of HAX-1 was up-regulated, GRP94 also increased, but IRE-1 did not change at all. Further studies showed that overexpression of HAX-1 decreased the expression of pIRE-1, rather than IRE-1, and downstream proteins of the IRE signaling pathway (Caspase12, pJNK and CHOP) were significantly reduced, and vice versa. In animals treated with HAX-1 expressing adenovirus there are more neuronal cells remaining in the damaged spinal cord tissue, and hindlimb motor function of rats was significantly improved. So, we speculate that HAX-1 might play a role in protecting neurons from apoptosis after SCI by regulating the IRE-1 signaling pathway via promoting the dissociation of GRP94 from IRE-1. This may provide a theoretical basis and a potential therapeutic target for clinical improvement of neural function recovery after SCI.
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Affiliation(s)
- Jiajia Chen
- Department of Orthopedics, Shanghai General Hospital of Nanjing Medical University, 650 Xinsongjiang Road, Shanghai, 201620, China
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Saishuai Yang
- Department of Anesthesiology, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Chunshuai Wu
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Zhiming Cui
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Yangyang Wan
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Guanhua Xu
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Guofeng Bao
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Jinlong Zhang
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Chu Chen
- Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, 6 Haier Lane North Road, Nantong, 226001, Jiangsu, China
| | - Dianwen Song
- Department of Orthopedics, Shanghai General Hospital of Nanjing Medical University, 650 Xinsongjiang Road, Shanghai, 201620, China.
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25
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Song L, Kim DS, Gou W, Wang J, Wang P, Wei Z, Liu B, Li Z, Gou K, Wang H. GRP94 regulates M1 macrophage polarization and insulin resistance. Am J Physiol Endocrinol Metab 2020; 318:E1004-E1013. [PMID: 32208002 PMCID: PMC7311672 DOI: 10.1152/ajpendo.00542.2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/24/2020] [Accepted: 03/12/2020] [Indexed: 11/22/2022]
Abstract
Macrophage polarization contributes to obesity-induced insulin resistance. Glucose-regulated protein 94 (GRP94) is an endoplasmic reticulum (ER) chaperone specialized for folding and quality control of secreted and membrane proteins. To determine the role of GRP94 in macrophage polarization and insulin resistance, macrophage-specific GRP94 conditional knockout (KO) mice were challenged with a high-fat diet (HFD). Glucose tolerance, insulin sensitivity, and macrophage composition were compared with control mice. KO mice showed better glucose tolerance and increased insulin sensitivity. Adipose tissues from HFD-KO mice contained lower numbers of M1 macrophages, with lower expression of M1 macrophage markers, than wild-type (WT) mice. In vitro, WT adipocytes cocultured with KO macrophages retained insulin sensitivity, whereas those cultured with WT macrophages did not. In addition, compared with WT bone marrow-derived macrophages (BMDMs), BMDMs from GRP94 KO mice exhibited lower expression of M1 macrophage marker genes following stimulation with LPS or IFN-γ, and exhibited partially increased expression of M2 macrophage marker genes following stimulation with interleukin-4. These findings identify GRP94 as a novel regulator of M1 macrophage polarization and insulin resistance and inflammation.
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Affiliation(s)
- Lili Song
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Do-Sung Kim
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Wenyu Gou
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Jingjing Wang
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Ping Wang
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Zhiguo Wei
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Bei Liu
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Zihai Li
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Kemian Gou
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Hongjun Wang
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
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26
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Khilji MS, Bresson SE, Verstappen D, Pihl C, Andersen PAK, Agergaard JB, Dahlby T, Bryde TH, Klindt K, Nielsen CK, Walentinsson A, Zivkovic D, Bousquet MP, Tyrberg B, Richardson SJ, Morgan NG, Mandrup-Poulsen T, Marzec MT. The inducible β5i proteasome subunit contributes to proinsulin degradation in GRP94-deficient β-cells and is overexpressed in type 2 diabetes pancreatic islets. Am J Physiol Endocrinol Metab 2020; 318:E892-E900. [PMID: 32255680 DOI: 10.1152/ajpendo.00372.2019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Proinsulin is a misfolding-prone protein, and its efficient breakdown is critical when β-cells are confronted with high-insulin biosynthetic demands, to prevent endoplasmic reticulum stress, a key trigger of secretory dysfunction and, if uncompensated, apoptosis. Proinsulin degradation is thought to be performed by the constitutively expressed standard proteasome, while the roles of other proteasomes are unknown. We recently demonstrated that deficiency of the proinsulin chaperone glucose-regulated protein 94 (GRP94) causes impaired proinsulin handling and defective insulin secretion associated with a compensated endoplasmic reticulum stress response. Taking advantage of this model of restricted folding capacity, we investigated the role of different proteasomes in proinsulin degradation, reasoning that insulin secretory dynamics require an inducible protein degradation system. We show that the expression of only one enzymatically active proteasome subunit, namely, the inducible β5i-subunit, was increased in GRP94 CRISPR/Cas9 knockout (KO) cells. Additionally, the level of β5i-containing intermediate proteasomes was significantly increased in these cells, as was β5i-related chymotrypsin-like activity. Moreover, proinsulin levels were restored in GRP94 KO upon β5i small interfering RNA-mediated knockdown. Finally, the fraction of β-cells expressing the β5i-subunit is increased in human islets from type 2 diabetes patients. We conclude that β5i is an inducible proteasome subunit dedicated to the degradation of mishandled proinsulin.
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Affiliation(s)
- Muhammad Saad Khilji
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sophie Emilie Bresson
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Danielle Verstappen
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
- Radboud Universiteit, Nijmegen, The Netherlands
| | - Celina Pihl
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Phillip Alexander Keller Andersen
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jette Bach Agergaard
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Tina Dahlby
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Tenna Holgersen Bryde
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kristian Klindt
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christian Kronborg Nielsen
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anna Walentinsson
- Translational Science and Experimental Medicine, Early Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Dusan Zivkovic
- Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, Université de Toulouse, Toulouse, France
| | - Marie-Pierre Bousquet
- Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, Université de Toulouse, Toulouse, France
| | - Björn Tyrberg
- Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Sarah J Richardson
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, United Kingdom
| | - Noel G Morgan
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, United Kingdom
| | - Thomas Mandrup-Poulsen
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Michal Tomasz Marzec
- Laboratory of Immuno-endocrinology, Inflammation, Metabolism, and Oxidation Section, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
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27
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Lee JS, Roh MS, Lee HW, Lee EH, Pak MG, Kim K, Nam HY, Kim KM, Jung SB. Prognostic significance of glucose-related protein 94 in colorectal cancer. Pathol Res Pract 2020; 216:153013. [PMID: 32534715 DOI: 10.1016/j.prp.2020.153013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/27/2020] [Accepted: 05/10/2020] [Indexed: 12/27/2022]
Abstract
AIMS The expression of glucose-related protein 94 (GRP94), a member of the heat shock protein 90 family, was correlated with a variety of clinicopathological factors and patient survival in a large colorectal cancer (CRC) cohort. We aimed to elucidate the role of GRP94 in the prognosis of CRC patients. METHODS Tissue microarray blocks were generated from 709 CRC samples and immunohistochemically stained for GRP94. RESULTS Of the 709 tumours, 164 (23.1%) and 545 (76.9%) were classified in the low and high expression groups, respectively. GRP94 expression was high in CRC cases with larger tumours (p = 0.005) and advanced pT stage (p = 0.021). GRP94 expression was higher in females than males (p = 0.024). In univariate and multivariate survival analyses, high GRP94 expression was unexpectedly associated with better overall survival in CRC patients younger than 65 years of age (p = 0.001) CONCLUSION: Our conflicting results indicate that GRP94 has the ability to switch between oncogenic and tumour-suppressive roles depending on the conditions and microenvironment of the tumour cells. Furthermore, GRP94 could be a candidate biomarker to predict better prognosis in CRC patients.
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Affiliation(s)
- Jae Seok Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Mee Sook Roh
- Department of Pathology, Dong-A University College of Medicine, Busan, South Korea
| | - Hyoun Wook Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea.
| | - Eun Hee Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Min Gyoung Pak
- Department of Pathology, Dong-A University College of Medicine, Busan, South Korea
| | - Kyungeun Kim
- Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hyun-Yeol Nam
- Department of Nuclear Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Kwang Min Kim
- Division of Gastroenterology, Department of Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Sang Bong Jung
- Department of Clinical Laboratory Science, Dong-Eui Institute of Technology, Busan, South Korea
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28
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Jeoung MH, Kim TK, Kim JW, Cho YB, Na HJ, Yoo BC, Shim H, Song DK, Heo K, Lee S. Antibody-Based Targeting of Cell Surface GRP94 Specifically Inhibits Cetuximab-Resistant Colorectal Cancer Growth. Biomolecules 2019; 9:biom9110681. [PMID: 31683810 PMCID: PMC6920916 DOI: 10.3390/biom9110681] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/21/2019] [Accepted: 10/27/2019] [Indexed: 12/19/2022] Open
Abstract
Colorectal cancer (CRC) is one of the leading causes of cancer death worldwide. Cetuximab, a human/mouse chimeric monoclonal antibody, is effective in a limited number of CRC patients because of cetuximab resistance. This study aimed to identify novel therapeutic targets in cetuximab-resistant CRC in order to improve clinical outcomes. Through phage display technology, we isolated a fully human antibody strongly binding to the cetuximab-resistant HCT116 cell surface and identified the target antigen as glucose-regulated protein 94 (GRP94) using proteomic analysis. Short interfering RNA-mediated GRP94 knockdown showed that GRP94 plays a key role in HCT116 cell growth. In vitro functional studies revealed that the GRP94-blocking antibody we developed strongly inhibits the growth of various cetuximab-resistant CRC cell lines. We also demonstrated that GRP94 immunoglobulin G monotherapy significantly reduces HCT116 cell growth more potently compared to cetuximab, without severe toxicity in vivo. Therefore, cell surface GRP94 might be a potential novel therapeutic target in cetuximab-resistant CRC, and antibody-based targeting of GRP94 might be an effective strategy to suppress GRP94-expressing cetuximab-resistant CRC.
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Affiliation(s)
- Mee Hyun Jeoung
- Scripps Korea Antibody Institute, Chuncheon, Gangwon 24341, Korea.
| | - Taek-Keun Kim
- Scripps Korea Antibody Institute, Chuncheon, Gangwon 24341, Korea.
| | - Ji Woong Kim
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea.
| | - Yea Bin Cho
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea.
| | - Hee Jun Na
- Scripps Korea Antibody Institute, Chuncheon, Gangwon 24341, Korea.
| | - Byong Chul Yoo
- Research Institute, National Cancer Center, Goyang, Gyeonggi 10408, Korea.
| | - Hyunbo Shim
- Department of Bioinspired Science and Life Science, Ewha Womans University, Seoul 03760, Korea.
| | - Dong-Keun Song
- Department of Pharmacology, College of Medicine, Hallym University, Chuncheon, Gangwon 24252, Korea.
| | - Kyun Heo
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea.
| | - Sukmook Lee
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea.
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Santana-Codina N, Marcé-Grau A, Muixí L, Nieva C, Marro M, Sebastián D, Muñoz JP, Zorzano A, Sierra A. GRP94 Is Involved in the Lipid Phenotype of Brain Metastatic Cells. Int J Mol Sci 2019; 20:ijms20163883. [PMID: 31395819 PMCID: PMC6720951 DOI: 10.3390/ijms20163883] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/06/2019] [Accepted: 08/06/2019] [Indexed: 12/18/2022] Open
Abstract
Metabolic adaptation may happen in response to the pressure exerted by the microenvironment and is a key step in survival of metastatic cells. Brain metastasis occurs as a consequence of the systemic dissemination of tumor cells, a fact that correlates with poor prognosis and high morbidity due to the difficulty in identifying biomarkers that allow a more targeted therapy. Previously, we performed transcriptomic analysis of human breast cancer patient samples and evaluated the differential expression of genes in brain metastasis (BrM) compared to lung, bone and liver metastasis. Our network approach identified upregulation of glucose-regulated protein 94 (GRP94) as well as proteins related to synthesis of fatty acids (FA) in BrM. Here we report that BrM cells show an increase in FA content and decreased saturation with regard to parental cells measured by Raman spectroscopy that differentiate BrM from other metastases. Moreover, BrM cells exerted a high ability to oxidize FA and compensate hypoglycemic stress due to an overexpression of proteins involved in FA synthesis and degradation (SREBP-1, LXRα, ACOT7). GRP94 ablation restored glucose dependence, down-regulated ACOT7 and SREBP-1 and decreased tumorigenicity in vivo. In conclusion, GRP94 is required for the metabolic stress survival of BrM cells, and it might act as a modulator of lipid metabolism to favor BrM progression.
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Affiliation(s)
- Naiara Santana-Codina
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, E-08908 Barcelona, Spain.
- Universitat Autònoma de Barcelona (UAB), Campus Bellaterra, Cerdanyola del Vallés, E-08193 Barcelona, Spain.
| | - Anna Marcé-Grau
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, E-08908 Barcelona, Spain
| | - Laia Muixí
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, E-08908 Barcelona, Spain
| | - Claudia Nieva
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, E-08908 Barcelona, Spain
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Carl Friedrich Gauss 3, 08036 Barcelona, Spain
| | - Mónica Marro
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Carl Friedrich Gauss 3, 08036 Barcelona, Spain
| | - David Sebastián
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, 08036 Barcelona, Spain
- Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, 08028 Barcelona, Spain
| | - Juan Pablo Muñoz
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, 08036 Barcelona, Spain
- Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, 08028 Barcelona, Spain
| | - Antonio Zorzano
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, 08036 Barcelona, Spain
- Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, 08028 Barcelona, Spain
| | - Angels Sierra
- Laboratory of Molecular and Translational Oncology, Centre de Recerca Biomèdica CELLEX-CRBC-Institut d'Investigacions Biomèdiques August Pi i Sunyer-IDIBAPS, E-08036 Barcelona, Spain.
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Lu T, Wang Y, Xu K, Zhou Z, Gong J, Zhang Y, Gong H, Dai Q, Yang J, Xiong B, Song Z, Yang G. Co-downregulation of GRP78 and GRP94 Induces Apoptosis and Inhibits Migration in Prostate Cancer Cells. Open Life Sci 2019; 14:384-391. [PMID: 33817173 PMCID: PMC7874808 DOI: 10.1515/biol-2019-0043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 05/27/2019] [Indexed: 12/13/2022] Open
Abstract
Background Both glucose-regulated protein 78 kDa (GRP78) and glucose-regulated protein 94 kDa (GRP94) are important molecular chaperones that play critical roles in maintaining tumor survival and progression. This study investigated the effects in prostate cancer cells following the downregulation of GRP78 and GRP94. Methods RNA interference was used to downregulate GRP78 and GRP94 expression in the prostate cancer cell line, PC-3. The effects on apoptosis and cell migration was examined along with expression of these related proteins. Results Small interfering RNAs targeting GRP78 and GRP94 successfully down-regulated their expression. This resulted in the induction of apoptosis and inhibition of cell migration. Preliminary mechanistic studies indicated that caspase-9 (cleaved) and Bax expression levels were upregulated while Bcl-2 and vimentin expression levels were downregulated. Conclusion Co-downregulation of GRP78 and GRP94 expression induces apoptosis and inhibits migration in prostate cancer cells.
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Affiliation(s)
- Tong Lu
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Yue Wang
- Sinopharm Wuhan Plasma-derived Biotherapies Co. Ltd., No.1 attached No.1, Zhengdian Gold Industrial Park Road, Jiangxia District, Wuhan, Hubei 430070, P.R.China
| | - Kang Xu
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Zhijun Zhou
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Juan Gong
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Yingang Zhang
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Hua Gong
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Qiang Dai
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Jun Yang
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Biao Xiong
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Ze Song
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
| | - Gang Yang
- Department of Urology, The First People's Hospital of Tianmen City, East No.1, Renmin Avenue, Tianmen City, Hubei 431700, P.R.China
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Brzozowa-Zasada M, Kurek J, Piecuch A, Wyrobiec G. The clinical and prognostic evaluation of GRP94 immunoexpression in Caucasian patients with colorectal adenocarcinoma. Prz Gastroenterol 2019; 14:140-7. [PMID: 31616529 DOI: 10.5114/pg.2019.85898] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 11/25/2018] [Indexed: 12/20/2022]
Abstract
Introduction Colorectal cancer (CRC) is traditionally regarded as the most commonly diagnosed gastrointestinal malignant disease. Nevertheless, despite advances in diagnosis and novel therapeutic options, the clinical outcomes of patients are still unsatisfactory. Aim To investigate the clinicopathological and prognostic roles of GRP94 expression, the immunohistochemical investigation was performed on samples of CRC tumour tissues, adjacent non-pathological mucosa, and metastatic foci in regional lymph nodes in Caucasian patients. Material and methods Paraffin-embedded adenocarcinoma samples were assessed immunohistochemically for GRP94 protein and scored according to the percentage of cells with positive reaction combined with staining intensity. Connections between GRP94 immunoexpression and clinicopathological factors including the overall survival (OS) were evaluated. Results The level of the GRP94 immunohistochemical reactivity was correlated with the grade of the histological differentiation (H (2.92) = 25.906; p < 0.001), size of the primary tumour (Z = –4.010; p < 0.001), regional lymph node involvement (Z = –6.547; p < 0.001), and perineural invasion (Z = –6.235; p < 0.001). Kaplan-Meier survival analysis showed that the survival time for patients with a low expression of GRP94 was significantly longer than that for patients with a moderate or strong level of GRP94 immunoreactivity (p < 0.001). Conclusions An enhanced level of GRP94 immunoexpression was significantly associated with malignancy-related clinicopathological factors and reduced the 5-year overall survival in CRC patients. However, a multivariate analysis demonstrated that GRP94 was not revealed as an independent risk factor for CRC prognosis.
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Naughton M, McMahon J, Healy S, FitzGerald U. Profile of the unfolded protein response in rat cerebellar cortical development. J Comp Neurol 2019; 527:2910-2924. [PMID: 31132146 DOI: 10.1002/cne.24718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 04/01/2019] [Accepted: 05/16/2019] [Indexed: 12/13/2022]
Abstract
The unfolded protein response (UPR) has been reported during normal development of cortical neurons and cerebellar white matter and may also contribute to the pathogenesis of neurological conditions, such as Marinesco-Sjogren syndrome and Borna virus infection, which result in cerebellar defects. The UPR is initiated when the processing capacity of the endoplasmic reticulum (ER) is overwhelmed. Misfolded proteins accumulate and can activate ER stress sensors; PKR-like endoplasmic reticulum kinase (PERK), inositol-requiring enzyme 1 (IRE1), activated transcription factor 6 (ATF6) and their downstream targets glucose-regulated protein 78 (GRP78), glucose-regulated protein 94 (GRP94) and protein disulfide isomerase (PDI). In order to provide a fuller appreciation of the possible importance of ER stress-associated proteins in the context of cerebellar disease, we have profiled the expression of ER stress sensors and their downstream targets in the developing cerebellar cortex in postnatal rat. Activation of PERK and IRE1 stress sensors was observed for the first time in normally developing granule cell precursors. A second proliferative pPERK-positive population was also detected in the internal granular layer (IGL). In general, the density of UPR protein-positive cells was found to decrease significantly when profiles in early and late postnatal ages were compared. These data may be relevant to studies of medulloblastoma and warrant further investigation.
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Affiliation(s)
- Michelle Naughton
- Galway Neuroscience Centre, School of Natural Sciences, National University of Ireland, Galway, Ireland
| | - Jill McMahon
- Galway Neuroscience Centre, School of Natural Sciences, National University of Ireland, Galway, Ireland
| | - Sinéad Healy
- Galway Neuroscience Centre, School of Natural Sciences, National University of Ireland, Galway, Ireland
| | - Una FitzGerald
- Galway Neuroscience Centre, School of Natural Sciences, National University of Ireland, Galway, Ireland
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Gómez-Fernández P, Urtasun A, Astobiza I, Mena J, Alloza I, Vandenbroeck K. Pharmacological Targeting of the ER-Resident Chaperones GRP94 or Cyclophilin B Induces Secretion of IL-22 Binding Protein Isoform-1 (IL-22BPi1). Int J Mol Sci 2019; 20:ijms20102440. [PMID: 31108847 PMCID: PMC6566634 DOI: 10.3390/ijms20102440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 01/05/2023] Open
Abstract
Of the three interleukin-22 binding protein (IL-22BP) isoforms produced by the human IL22RA2 gene, IL-22BPi2 and IL-22BPi3 are capable of neutralizing IL-22. The longest isoform, IL-22BPi1, does not bind IL-22, is poorly secreted, and its retention within the endoplasmic reticulum (ER) is associated with induction of an unfolded protein response (UPR). Therapeutic modulation of IL-22BPi2 and IL-22BPi3 production may be beneficial in IL-22-dependent disorders. Recently, we identified the ER chaperones GRP94 and cyclophilin B in the interactomes of both IL-22BPi1 and IL-22BPi2. In this study, we investigated whether secretion of the IL-22BP isoforms could be modulated by pharmacological targeting of GRP94 and cyclophilin B, either by means of geldanamycin, that binds to the ADP/ATP pocket shared by HSP90 paralogs, or by cyclosporin A, which causes depletion of ER cyclophilin B levels through secretion. We found that geldanamycin and its analogs did not influence secretion of IL-22BPi2 or IL-22BPi3, but significantly enhanced intracellular and secreted levels of IL-22BPi1. The secreted protein was heterogeneously glycosylated, with both high-mannose and complex-type glycoforms present. In addition, cyclosporine A augmented the secretion of IL-22BPi1 and reduced that of IL-22BPi2 and IL-22BPi3. Our data indicate that the ATPase activity of GRP94 and cyclophilin B are instrumental in ER sequestration and degradation of IL-22BPi1, and that blocking these factors mobilizes IL-22BPi1 toward the secretory route.
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Affiliation(s)
- Paloma Gómez-Fernández
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
| | - Andoni Urtasun
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
| | - Ianire Astobiza
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
| | - Jorge Mena
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
| | - Iraide Alloza
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
| | - Koen Vandenbroeck
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), 48490 Leioa, Spain.
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain.
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Kim K, Lee HW, Lee EH, Park MI, Lee JS, Kim MS, Kim K, Roh MS, Pak MG, Oh JE, Kim KM, Lee JW, Kim TG, Nam HY. Differential expression of HSP90 isoforms and their correlations with clinicopathologic factors in patients with colorectal cancer. Int J Clin Exp Pathol 2019; 12:978-986. [PMID: 31933908 PMCID: PMC6945153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 12/23/2018] [Indexed: 06/10/2023]
Abstract
Heat shock protein 90 (HSP90), a molecular chaperone, plays critical roles in cellular protection against various stressful stimuli and in the regulation of cellular growth and apoptosis. HSP90 has four human isoforms; HSP90α, HSP90β, glucose related protein 94 (GRP94), and tumor necrosis factor (TNF) receptor-associated protein 1 (TRAP1). We evaluated the differential expression of these HSP90 isoforms in colorectal cancer (CRC) and correlated their expression levels with clinicopathological factors and patient survival rates. We performed immunohistochemical staining for HSP90α, HSP90β, GRP94, and TRAP1 in 129 CRC tumor samples and found that HSP90α expression was significantly associated with advanced pT stage (P = 0.011) and shorter recurrence-free survival (RFS) (P = 0.010), whereas GRP94 expression was correlated with low grade (P = 0.029) and better RFS (P < 0.001). HSP90β and TRAP1 had no prognostic impact, although HSP90β expression was positively correlated with tumor size (P = 0.008). Based on our results, HSP90α and GRP94 are potential prognostic biomarkers of CRC. In addition, the differences in expression and functional activities among four HSP90 isoforms imply that isoform selectivity should be seriously considered when HSP90 inhibitors are studied or adopted for the treatment of CRC.
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Affiliation(s)
- Kisu Kim
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Hyoun Wook Lee
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Eun Hee Lee
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Moon-Il Park
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Jae Seok Lee
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Mee-Seon Kim
- Department of Pathology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Kyungeun Kim
- Department of Pathology, Kangbuk Samsung Hospital, School of Medicine, Sungkyunkwan UniversitySeoul, Korea
| | - Mee Sook Roh
- Department of Pathology, Dong-A University College of MedicineBusan, South Korea
| | - Min Gyoung Pak
- Department of Pathology, Dong-A University College of MedicineBusan, South Korea
| | - Ji Eun Oh
- Division of Gastroenterology, Department of Medicine, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Kwang Min Kim
- Division of Gastroenterology, Department of Medicine, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Jung Won Lee
- Division of Gastroenterology, Department of Medicine, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Tae Gyu Kim
- Department of Radiation Oncology, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
| | - Hyun-Yeol Nam
- Department of Nuclear Medicine, Samsung Changwon Hospital, School of Medicine, Sungkyunkwan UniversityChangwon, South Korea
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Gómez-Fernández P, Urtasun A, Paton AW, Paton JC, Borrego F, Dersh D, Argon Y, Alloza I, Vandenbroeck K. Long Interleukin-22 Binding Protein Isoform-1 Is an Intracellular Activator of the Unfolded Protein Response. Front Immunol 2018; 9:2934. [PMID: 30619294 PMCID: PMC6302113 DOI: 10.3389/fimmu.2018.02934] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 11/29/2018] [Indexed: 12/26/2022] Open
Abstract
The human IL22RA2 gene co-produces three protein isoforms in dendritic cells [IL-22 binding protein isoform-1 (IL-22BPi1), IL-22BPi2, and IL-22BPi3]. Two of these, IL-22BPi2 and IL-22BPi3, are capable of neutralizing the biological activity of IL-22. The function of IL-22BPi1, which differs from IL-22BPi2 through an in-frame 32-amino acid insertion provided by an alternatively spliced exon, remains unknown. Using transfected human cell lines, we demonstrate that IL-22BPi1 is secreted detectably, but at much lower levels than IL-22BPi2, and unlike IL-22BPi2 and IL-22BPi3, is largely retained in the endoplasmic reticulum (ER). As opposed to IL-22BPi2 and IL-22BPi3, IL-22BPi1 is incapable of neutralizing or binding to IL-22 measured in bioassay or assembly-induced IL-22 co-folding assay. We performed interactome analysis to disclose the mechanism underlying the poor secretion of IL-22BPi1 and identified GRP78, GRP94, GRP170, and calnexin as main interactors. Structure-function analysis revealed that, like IL-22BPi2, IL-22BPi1 binds to the substrate-binding domain of GRP78 as well as to the middle domain of GRP94. Ectopic expression of wild-type GRP78 enhanced, and ATPase-defective GRP94 mutant decreased, secretion of both IL-22BPi1 and IL-22BPi2, while neither of both affected IL-22BPi3 secretion. Thus, IL-22BPi1 and IL-22BPi2 are bona fide clients of the ER chaperones GRP78 and GRP94. However, only IL-22BPi1 activates an unfolded protein response (UPR) resulting in increased protein levels of GRP78 and GRP94. Cloning of the IL22RA2 alternatively spliced exon into an unrelated cytokine, IL-2, bestowed similar characteristics on the resulting protein. We also found that CD14++/CD16+ intermediate monocytes produced a higher level of IL22RA2 mRNA than classical and non-classical monocytes, but this difference disappeared in immature dendritic cells (moDC) derived thereof. Upon silencing of IL22RA2 expression in moDC, GRP78 levels were significantly reduced, suggesting that native IL22RA2 expression naturally contributes to upregulating GRP78 levels in these cells. The IL22RA2 alternatively spliced exon was reported to be recruited through a single mutation in the proto-splice site of a Long Terminal Repeat retrotransposon sequence in the ape lineage. Our work suggests that positive selection of IL-22BPi1 was not driven by IL-22 antagonism as in the case of IL-22BPi2 and IL-22BPi3, but by capacity for induction of an UPR response.
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Affiliation(s)
- Paloma Gómez-Fernández
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain
- Achucarro Basque Center for Neuroscience, Leioa, Spain
| | - Andoni Urtasun
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain
- Achucarro Basque Center for Neuroscience, Leioa, Spain
| | - Adrienne W. Paton
- Research for Infectious Diseases, Department of Molecular and Biomedical Science, University of Adelaide, Adelaide, SA, Australia
| | - James C. Paton
- Research for Infectious Diseases, Department of Molecular and Biomedical Science, University of Adelaide, Adelaide, SA, Australia
| | - Francisco Borrego
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- Basque Center for Transfusion and Human Tissues, Galdakao, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
| | - Devin Dersh
- Division of Cell Pathology, Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Yair Argon
- Division of Cell Pathology, Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Iraide Alloza
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain
- Achucarro Basque Center for Neuroscience, Leioa, Spain
| | - Koen Vandenbroeck
- Neurogenomiks Group, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain
- Achucarro Basque Center for Neuroscience, Leioa, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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Wang S, Li X, Li T, Wang H, Zhang X, Lou J, Xing Q, Hu X, Bao Z. The GRP94 gene of Yesso scallop (Patinopecten yessoensis): Characterization and expression regulation in response to thermal and bacterial stresses. Fish Shellfish Immunol 2018; 80:443-451. [PMID: 29894740 DOI: 10.1016/j.fsi.2018.06.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 06/09/2018] [Indexed: 06/08/2023]
Abstract
The 94-kDa glucose-regulated protein (GRP94) belonging to the HSP90 family is an endoplasmic reticulum (ER) chaperone. It plays critical roles in ER quality control, and has been implicated as a specialized immune chaperone to regulate both innate and adaptive immunity. In this study, we identified and characterized a GRP94 gene (PyGRP94) from Yesso scallop (Patinopecten yessoensis). The protein sequence of PyGRP94 is highly conserved with its homologs in vertebrates, with a signal sequence in N-terminal, an ER retrieval signal sequence in C-terminal and a HATPase_c domain. Expression analysis suggests that PyGRP94 transcripts in early embryos are maternally derived and the zygotic expression is started from D-shaped larvae. This gene is also expressed in almost all the adult tissues examined except smooth muscle, with the highest expression level in hemocytes. Besides, PyGRP94 was demonstrated to be induced by heat shock and both Gram-positive (Micrococcus luteus) and Gram-negative (Vibrio anguillarum) bacterial infection, with much more dramatic changes being observed after V. anguillarum challenge. Our results suggest the involvement of PyGRP94 in response to thermal stress, and that it might play an important role in the innate immune defense of scallop.
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Affiliation(s)
- Shuyue Wang
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Xu Li
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Tingting Li
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Huizhen Wang
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Xiangchao Zhang
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Jiarun Lou
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Qiang Xing
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China
| | - Xiaoli Hu
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
| | - Zhenmin Bao
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
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Hoter A, El-Sabban ME, Naim HY. The HSP90 Family: Structure, Regulation, Function, and Implications in Health and Disease. Int J Mol Sci 2018; 19:E2560. [PMID: 30158430 PMCID: PMC6164434 DOI: 10.3390/ijms19092560] [Citation(s) in RCA: 317] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/23/2018] [Accepted: 08/27/2018] [Indexed: 12/22/2022] Open
Abstract
The mammalian HSP90 family of proteins is a cluster of highly conserved molecules that are involved in myriad cellular processes. Their distribution in various cellular compartments underlines their essential roles in cellular homeostasis. HSP90 and its co-chaperones orchestrate crucial physiological processes such as cell survival, cell cycle control, hormone signaling, and apoptosis. Conversely, HSP90, and its secreted forms, contribute to the development and progress of serious pathologies, including cancer and neurodegenerative diseases. Therefore, targeting HSP90 is an attractive strategy for the treatment of neoplasms and other diseases. This manuscript will review the general structure, regulation and function of HSP90 family and their potential role in pathophysiology.
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Affiliation(s)
- Abdullah Hoter
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt.
- Department of Physiological Chemistry, University of Veterinary Medicine Hannover, Hannover 30559, Germany.
| | - Marwan E El-Sabban
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
| | - Hassan Y Naim
- Department of Physiological Chemistry, University of Veterinary Medicine Hannover, Hannover 30559, Germany.
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Huck JD, Que NL, Hong F, Li Z, Gewirth DT. Structural and Functional Analysis of GRP94 in the Closed State Reveals an Essential Role for the Pre-N Domain and a Potential Client-Binding Site. Cell Rep 2017; 20:2800-9. [PMID: 28930677 DOI: 10.1016/j.celrep.2017.08.079] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 06/28/2017] [Accepted: 08/23/2017] [Indexed: 12/31/2022] Open
Abstract
Hsp90 chaperones undergo ATP-driven conformational changes during the maturation of client proteins, populating a closed state upon ATP binding in which the N-terminal domains of the homodimer form a second inter-protomer dimer interface. A structure of GRP94, the endoplasmic reticulum hsp90, in a closed conformation has not been described, and the determinants that regulate closure are not well understood. Here, we determined the 2.6-Å structure of AMPPNP-bound GRP94 in the closed dimer conformation. The structure includes the pre-N domain, a region preceding the N-terminal domain that is highly conserved in GRP94, but not in other hsp90s. We show that the GRP94 pre-N domain is essential for client maturation, and we identify the pre-N domain as an important regulator of ATPase rates and dimer closure. The structure also reveals a GRP94:polypeptide interaction that partially mimics a client-bound state. The results provide structural insight into the ATP-dependent client maturation process of GRP94.
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Liu S, Li R, Zuo S, Luo R, Fang W, Xie Y. GRP94 overexpression as an indicator of unfavorable outcomes in breast cancer patients. Int J Clin Exp Pathol 2018; 11:3061-3067. [PMID: 31938432 PMCID: PMC6958070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 04/10/2018] [Indexed: 06/10/2023]
Abstract
AIMS This study aimed to examine the heat shock protein Hsp90 family protein (GRP94) expression in breast cancer tissues and its correlation with clinicopathologic features, including the survival of patients with breast cancer. METHODS GRP94 mRNA expression was examined in normal breast and breast cancer tissues using real-time PCR. We also analyzed GRP94 protein expression with immunohistochemistry in 139 breast cancer patients whose ages ranged from 29 to 83 years (median =53 years). On evaluation of cytoplasmic GRP94 immunostaining, cases with a score of ≥ or ≤ six were regarded as having high or low GRP94 expression, respectively. The relationship between GRP94 expression levels and the clinical features of breast cancer were also analyzed. RESULTS GRP94 mRNA expression was markedly greater in breast cancer tissues than that in normal breast tissues (P=0.0027). Immunohistochemical analysis revealed increased GRP94 protein expression in the cytoplasm of breast cancer cells, which did not positively correlate with age, tumor size classification, lymph node metastasis classification, clinical stage, or estrogen receptor expression in breast cancer patients, but did negatively correlate with progesterone receptor expression (P=0.032). Furthermore, patients with breast cancer tissue that expressed high GRP94 had a significantly shorter survival time than did patients with a low GRP94 expression (P<0.001). A multivariate analysis suggested that the level of GRP94 expression was an independent prognostic indicator (P<0.001) for the survival of patients with breast cancer. CONCLUSION High GRP94 expression levels were found to be an independent and unfavorable prognostic indicator of breast cancer survival.
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Affiliation(s)
- Shu Liu
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical UniversityGuangzhou, Guangdong, China
- Department of Breast Surgery, Guiyang Maternal and Child Healthcare HospitalGuiyang, China
| | - Rong Li
- Nanfang Hospital, Southern Medical UniversityGuangzhou, Guangdong, China
| | - Shi Zuo
- Department of Hepatobiliary Surgery, Affiliated Hospital of Guizhou Medical UniversityChina
| | - Rongcheng Luo
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical UniversityGuangzhou, Guangdong, China
| | - Weiyi Fang
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical UniversityGuangzhou, Guangdong, China
| | - Yingying Xie
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical UniversityGuangzhou, Guangdong, China
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Zhang B, Durán PA, Piechaczyk L, Fløisand Y, Safont MMS, Karlsen IT, Fandalyuk Z, Tadele D, Mierlo PV, Rowe AD, Robertson JM, Gjertsen BT, McCormack E, Enserink JM. GRP94 rewires and buffers the FLT3-ITD signaling network and promotes survival of acute myeloid leukemic stem cells. Haematologica 2018; Online ahead of print:haematol.2018.189399. [PMID: 29748445 DOI: 10.3324/haematol.2018.189399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/07/2018] [Indexed: 11/09/2022] Open
Abstract
Internal tandem duplications in the tyrosine kinase receptor FLT3 (FLT3-ITD) are among the most common lesions in acute myeloid leukemia and there exists a need for new forms of treatment. Using ex vivo drug sensitivity screening, we found that FLT3-ITD+ patient cells are particularly sensitive to HSP90 inhibitors. While it is well known that HSP90 is important for FLT3-ITD stability, we found that HSP90 family members play a much more complex role in FLT3-ITD signaling than previously appreciated. First, we found that FLT3-ITD activates the unfolded protein response, leading to increased expression of GRP94/HSP90B1. This results in activation of a nefarious feedback loop, in which GRP94 rewires FLT3-ITD signaling by binding and retaining FLT3-ITD in the endoplasmic reticulum, leading to aberrant activation of downstream signaling pathways and further inducing the unfolded protein response. Second, HSP90 family proteins protect FLT3-ITD+ acute myeloid leukemia cells against apoptosis by alleviating proteotoxic stress, and treatment with HSP90 inhibitors results in proteotoxic overload that triggers unfolded protein response-induced apoptosis. Importantly, leukemic stem cells are strongly dependent upon HSP90 for their survival, and the HSP90 inhibitor ganetespib causes leukemic stem cell exhaustion in patient-derived mouse xenograft models. Taken together, our study reveals a molecular basis for HSP90 addiction of FLT3-ITD+ acute myeloid leukemia cells and provides a rationale for including HSP90 inhibitors in the treatment regime for FLT3-ITD+ acute myeloid leukemia.
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Affiliation(s)
- Beibei Zhang
- Oslo University Hospital, Montebello, Oslo, Norway
| | | | | | | | | | | | | | - Dagim Tadele
- Oslo University Hospital, Montebello, Oslo, Norway
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Huang CY, Lee CH, Tu CC, Wu CH, Huang MT, Wei PL, Chang YJ. Glucose-regulated protein 94 mediates progression and metastasis of esophageal squamous cell carcinoma via mitochondrial function and the NF-kB/COX-2/VEGF axis. Oncotarget 2018; 9:9425-9441. [PMID: 29507700 PMCID: PMC5823643 DOI: 10.18632/oncotarget.24114] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 12/01/2017] [Indexed: 12/17/2022] Open
Abstract
Esophageal cancer is a worldwide health problem with a very poor prognosis. Therefore, new diagnostic biomarkers or therapeutic strategies for identifying and managing esophageal squamous cell carcinoma (ESCC) are urgently needed. Glucose-regulated protein 94 (GRP94) is one of major endoplasmic reticulum-stress response proteins that plays a key role in cancer progression and therapeutic responses. However, the role of GRP94 in ESCC progression and metastasis remains unclear. The tissue array results indicated that higher GRP94 expression levels were associated with lower overall survival and higher lympho-node metastasis. Silencing GRP94 (GRP94-KD) reduced cell proliferation, migration and invasion in ESCC cells. In a xenotransplantation assay, silencing GRP94 reduced cell proliferation in the zebrafish embryo. Transmission electron microscopy revealed impaired mitochondria in GRP94-KD cells, which exhibited reduced basal respiration, spare respiratory capacity and ATP production and increased oxidative damage compared with scrambled control cells. Regarding the molecular mechanism underlying the effects of GRP94 knockdown, we found that silencing GRP94 may reduce the level of NF-kB, c-Jun, p38, IL-6, vascular endothelial growth factor (VEGF), and cyclooxygenase-2 (COX-2) as well as activation of AKT and ERK. In conclusion, our results indicate that silencing GRP94 in ESCC cells suppressed cancer growth and the metastatic potential via mitochondrial functions and NF-kB/COX-2/VEGF in ESCC cells.
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Affiliation(s)
- Chien-Yu Huang
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - Chia-Hwa Lee
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Chao-Chiang Tu
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of General Surgery, Department of Surgery, Fu Jen Catholic University Hospital; School of Medicine, College of Medicine, Fu-Jen Catholic University, Taipei, Taiwan
| | - Chih-Hsiung Wu
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
- En Chu Kong Hospital, Taipei, Taiwan
| | - Ming-Te Huang
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - Po-Li Wei
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Cancer Research Center and Translational Laboratory, Department of Medical Research, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan
| | - Yu-Jia Chang
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Cancer Research Center and Translational Laboratory, Department of Medical Research, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
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Dai YJ, Qiu YB, Jiang R, Xu M, Liao LY, Chen GG, Liu ZM. Concomitant high expression of ERα36, GRP78 and GRP94 is associated with aggressive papillary thyroid cancer behavior. Cell Oncol (Dordr) 2018; 41:269-282. [PMID: 29368272 DOI: 10.1007/s13402-017-0368-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2017] [Indexed: 10/18/2022] Open
Abstract
PURPOSE Papillary thyroid cancer (PTC) is more common in women than in men. It has been suggested that estrogen may be involved in its development, as has previously been shown for breast, endometrial and ovarian cancer. The purpose of this study was to assess correlations between the expression of the estrogen receptor alpha36 (ERα36) and the glucose regulated proteins GRP78 and GRP94 (chaperones involved in glycoprotein folding) and various PTC clinicopathological features, as well as to evaluate the potential usefulness of these three potential oncogenic proteins in the prediction of aggressive PTC behavior. METHODS ERα36, GRP78 and GRP94 protein expression in 218 primary PTC tissues and PTC-derived BCPAP cells was examined using immunohistochemistry, Western blotting and immunocytochemistry. The proliferative, invasive and migrative capacities of BCPAP cells in which the respective genes were either exogenously over-expressed or silenced were assessed using BrdU incorporation and Transwell assays, respectively. RESULTS We found that ERα36, GRP78 and GRP94 protein expression was upregulated in the primary PTC tissues tested. We also found that ERα36, GRP78 and GRP94 expression modulation affected the proliferation, invasion and migration of PTC-derived BCPAP cells. A positive correlation and a positive feedback loop were noted between ERα36, GRP78 and GRP94 protein expression in the primary PTC tissues and in BCPAP cells, respectively. High ERα36 expression in combination with a high GRP78/ GRP94 expression was found to have a stronger correlation with extrathyroid extension (ETE), lymph node metastasis (LNM), distant metastasis (DM) and high TNM stage than high ERα36 expression in combination with either high GRP78 or high GRP94 expression (p = 0.028 for ETE, p = 0.002 for DM and p ≤ 0.001 for LNM and high TNM stage) or high ERα36 expression alone (p < 0.001 for ETE, LNM, DM and high TNM stage). CONCLUSIONS From our data we conclude that a concomitant high expression of ERα36, GRP78 and GRP94 is strongly associated with aggressive PTC behavior and may be used as a predictor for ETE, LNM, DM and high TNM stage.
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Affiliation(s)
- Yu-Jie Dai
- Department of Biochemistry and Molecular Biology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
| | - Yi-Bo Qiu
- Department of Biochemistry and Molecular Biology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
| | - Rong Jiang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, China
| | - Man Xu
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, China
| | - Ling-Yao Liao
- Department of Biochemistry and Molecular Biology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
| | - George G Chen
- Department of Surgery, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T, Hong Kong, China
| | - Zhi-Min Liu
- Department of Biochemistry and Molecular Biology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China.
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Shen J, Rangel DF, Ha D, Lee AS. New role of endoplasmic reticulum chaperones in regulating metaplasia during tumorigenesis. Mol Cell Oncol 2017; 4:e1345350. [PMID: 29209644 DOI: 10.1080/23723556.2017.1345350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 06/16/2017] [Accepted: 06/17/2017] [Indexed: 10/19/2022]
Abstract
Metaplasia is emerging as a key process in tumorigenesis. We discovered that 2 essential endoplasmic reticulum (ER) chaperones, 78-kilodalton glucose-regulated protein (GRP78) and 94-kilodalton glucose-regulated protein (GRP94) have a role in metaplasia. Grp78 haploinsufficiency in the mouse pancreas impairs acinar-to-ductal metaplasia, whereas in the uterus, Grp94 loss induces squamous cell metaplasia; both resulting in tumor suppression.
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Affiliation(s)
- Jieli Shen
- Department of Biochemistry and Molecular Medicine, USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Daisy F Rangel
- Department of Biochemistry and Molecular Medicine, USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Dat Ha
- Department of Biochemistry and Molecular Medicine, USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Amy S Lee
- Department of Biochemistry and Molecular Medicine, USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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Martínez-Aranda A, Hernández V, Moreno F, Baixeras N, Cuadras D, Urruticoechea A, Gil-Gil M, Vidal N, Andreu X, Seguí MA, Ballester R, Castella E, Sierra A. Predictive and Prognostic Brain Metastases Assessment in Luminal Breast Cancer Patients: FN14 and GRP94 from Diagnosis to Prophylaxis. Front Oncol 2017; 7:283. [PMID: 29250484 PMCID: PMC5716976 DOI: 10.3389/fonc.2017.00283] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/09/2017] [Indexed: 11/13/2022] Open
Abstract
FN14 has been implicated in many intracellular signaling pathways, and GRP94 is a well-known endoplasmic reticulum protein regulated by glucose. Recently, both have been associated with metastasis progression in breast cancer patients. We studied the usefulness of FN14 and GRP94 expression to stratify breast cancer patients according their risk of brain metastasis (BrM) progression. We analyzed FN14 and GRP94 by immunohistochemistry in a retrospective multicenter study using tissue microarrays from 208 patients with breast carcinomas, of whom 52 had developed BrM. Clinical and pathological characteristics and biomarkers expression in Luminal and non-Luminal patients were analyzed using a multivariate logistic regression model adjusted for covariates, and brain metastasis-free survival (BrMFS) was estimated using the Kaplan-Meier method and the Cox proportional hazards model. FN14 expression was associated with BrM progression mainly in Luminal breast cancer patients with a sensitivity (53.85%) and specificity (89.60%) similar to Her2 expression (46.15 and 89.84%, respectively). Moreover, the likelihood to develop BrM in FN14-positive Luminal carcinomas increased 36.70-fold (3.65-368.25, p = 0.002). Furthermore, the worst prognostic factor for BrMFS in patients with Luminal carcinomas was FN14 overexpression (HR = 8.25; 95% CI: 2.77-24.61; p = 0.00015). In these patients, GRP94 overexpression also increased the risk of BrM (HR = 3.58; 95% CI: 0.98-13.11; p = 0.054-Wald test). Therefore, FN14 expression in Luminal breast carcinomas is a predictive/prognostic biomarker of BrM, which combined with GRP94 predicts BrM progression in non-Luminal tumors 4.04-fold (1.19-8.22, p = 0.025), suggesting that both biomarkers are useful to stratify BrM risk at early diagnosis. We propose a new follow-up protocol for the early prevention of clinical BrM of breast cancer patients with BrM risk.
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Affiliation(s)
- Antonio Martínez-Aranda
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.,Departament de Medicina, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Vanessa Hernández
- Biological Clues of the Invasive and Metastatic Phenotype Group, Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ferran Moreno
- Servei d'Oncologia Radioteràpica, Institut Català d'Oncologia (ICO), Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Núria Baixeras
- Servei d'Anatomia Patològica, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Daniel Cuadras
- Statistical Service, Sant Joan de Déu Research Foundation, Barcelona, Spain
| | - Ander Urruticoechea
- Breast Cancer Unit, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Miguel Gil-Gil
- Neuroncology Unit, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Noemí Vidal
- Servei d'Anatomia Patològica, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Xavier Andreu
- Servei d'Anatomia Patològica, Consorci Hospitalari Parc Taulí, Barcelona, Spain
| | - Miquel A Seguí
- Servei d'Oncología Mèdica, Consorci Hospitalari Parc Taulí, Barcelona, Spain
| | - Rosa Ballester
- Servei d'Oncología Radioteràpica, Institut Català d'Oncologia (ICO), Hospital Universitari Germans Trias i Pujol, Barcelona, Spain
| | - Eva Castella
- Servei d'Anatomia Patològica de Can Ruti, Institut Català d'Oncologia (ICO), Hospital Universitari Germans Trias i Pujol, Barcelona, Spain
| | - Angels Sierra
- Laboratory of Molecular and Translational Oncology, Institut d'Investigacions Biomèdiques August Pi i Sunyer-IDIBAPS, Centre de Recerca Biomèdica CELLEX, Barcelona, Spain.,Faculty of Medicine, Universitat de VIC-Universitat Central de Catalunya, Barcelona, Spain
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Klein BY, Tamir H, Ludwig RJ, Glickstein SB, Welch MG, Anwar M. Colostrum oxytocin modulates cellular stress response, inflammation, and autophagy markers in newborn rat gut villi. Biochem Biophys Res Commun 2017; 487:47-53. [PMID: 28389244 DOI: 10.1016/j.bbrc.2017.04.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 04/03/2017] [Indexed: 01/06/2023]
Abstract
Little is known about the role of oxytocin (OT) in colostrum during early gut colonization. We previously showed that transient OT receptor (OTR) expression on newborn rat enterocytes coincides with the milk-suckling period, and that OT activates endoplasmic reticulum stress sensors in cultured enterocytes. Here, we explored whether colostrum-OT attenuates stress in newborn villi primed and unprimed by colostrum by measuring levels of stress markers including BiP (an ER chaperone), eIF2a (translation initiation factor), and pPKR (eIF2a kinase). We also measured two inflammation-signaling proteins NF-κB and its inhibitor IκB. To test the impact of colostrum on autophagy, we measured a marker of autophagy initiation, LC3A. Colostrum increased inactive p-eIF2a, p-PKR and IκB and reduced p-IκB, BiP and LC3A. LPS increased and OT decreased p-IkB. BiP (GRP78) was higher in unprimed than primed villi. Together, these data suggest that colostrum OT attenuates the impact of inflammation on postnatal gut villi and that OT enhances autophagy to protect against amino acid insufficiency-induced stress during the interval between birth and the first feeding.
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Affiliation(s)
- Benjamin Y Klein
- Department of Psychiatry, Columbia University Medical Center, New York, NY 10032, USA.
| | - Hadassah Tamir
- Department of Psychiatry, Columbia University Medical Center, New York, NY 10032, USA; Department of Pathology & Cell Biology, Columbia University Medical Center, New York, NY 10032, USA; Department of Psychiatry, Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, New York, NY 10032, USA
| | - Robert J Ludwig
- Department of Psychiatry, Columbia University Medical Center, New York, NY 10032, USA
| | | | - Martha G Welch
- Department of Psychiatry, Columbia University Medical Center, New York, NY 10032, USA; Department of Pathology & Cell Biology, Columbia University Medical Center, New York, NY 10032, USA.
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Ryan D, Carberry S, Murphy ÁC, Lindner AU, Fay J, Hector S, McCawley N, Bacon O, Concannon CG, Kay EW, McNamara DA, Prehn JHM. Calnexin, an ER stress-induced protein, is a prognostic marker and potential therapeutic target in colorectal cancer. J Transl Med 2016; 14:196. [PMID: 27369741 PMCID: PMC4930591 DOI: 10.1186/s12967-016-0948-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 06/20/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is a leading cause of cancer mortality in the Western world and commonly treated with genotoxic chemotherapy. Stress in the endoplasmic reticulum (ER) was implicated to contribute to chemotherapeutic resistance. Hence, ER stress related protein may be of prognostic or therapeutic significance. METHODS The expression levels of ER stress proteins calnexin, calreticulin, GRP78 and GRP94 were determined in n = 23 Stage II and III colon cancer fresh frozen tumour and matched normal tissue samples. Data were validated in a cohort of n = 11 rectal cancer patients treated with radiochemotherapy in the neoadjuvant setting. The calnexin gene was silenced using siRNA in HCT116 cells. RESULTS There were no increased levels of ER stress proteins in tumour compared to matched normal tissue samples in Stage II or III CRC. However, increased calnexin protein levels were predictive of poor clinical outcome in the patient cohort. Data were validated in the rectal cancer cohort treated in the neoadjuvant setting. Calnexin gene-silencing significantly reduced cell survival and increased cancer cell susceptibility to 5FU chemotherapy. CONCLUSION Increased tumour protein levels of calnexin may be of prognostic significance in CRC, and calnexin may represent a potential target for future therapies.
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Affiliation(s)
- Deborah Ryan
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.,Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Steven Carberry
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Áine C Murphy
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Andreas U Lindner
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Joanna Fay
- Department of Pathology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin 9, Ireland
| | - Suzanne Hector
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Niamh McCawley
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.,Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Orna Bacon
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.,Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Caoimhin G Concannon
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.,Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Elaine W Kay
- Department of Pathology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin 9, Ireland
| | | | - Jochen H M Prehn
- Department of Physiology and Medical Physics, Centre for Systems Medicine, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.
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Abstract
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Introduction: Breast cancer stem cell with CD44hi/CD24lo phonotype is described having stem cell properties and represented as the main driving factor in breast cancer initiation, growth, metastasis and low response to anti-cancer agents. Glucoseregulated proteins (GRPs) are heat shock protein family chaperons that are charged with regulation of protein machinery and modulation of endoplasmic reticulum homeostasis whose important roles in stem cell development and invasion of various cancers have been demonstrated. Here, we investigated the expression levels of GRP78 and GRP94 in CD44hi/CD24lo phenotype breast cancer stem cells (BCSCs).
Methods: MCF7, T-47D and MDA-MB-231 breast cancer cell lines were used. CD44hi/CD24lo
phenotype cell population were analyzed and sorted by fluorescence-activated cell sorting (FACS). Transcriptional and translational expression of GRP78 and GRP94 were investigated by western blotting and quantitative real time PCR.
Results: Results showed different proportion of CD44hi/CD24lo phenotype cell population in their original bulk cells. The ranking of the cell lines in terms of CD44hi/CD24lo phenotype cell population was as MCF7<T-47D<MDA-MB-231. Our results also indicated that CD44hi/CD24lo phenotype cells exhibited higher mRNA and protein expression level of GRP78 and GRP94 compared to their original bulk cells.
Conclusion: Our results show a relationship between overexpression of GRP78 and GRP94 and exhibiting CD44hi/CD24lo phenotype in breast cancer cells. We conclude that upregulation of GRPs may be an important factor in the emergence of CD44hi/CD24lo phenotype BCSCs features.
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Affiliation(s)
- Babak Nami
- Department of Medical Genetics and The Women and Children's Health Research Institute (WCHRI), University of Alberta, Edmonton, Alberta, Canada
| | | | - Akbar Vaseghi
- Young Researchers and Elite Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran
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48
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Wei PL, Huang CY, Tai CJ, Batzorig U, Cheng WL, Hunag MT, Chang YJ. Glucose-regulated protein 94 mediates metastasis by CCT8 and the JNK pathway in hepatocellular carcinoma. Tumour Biol 2016; 37:8219-27. [PMID: 26718209 DOI: 10.1007/s13277-015-4669-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 12/16/2015] [Indexed: 12/16/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer death worldwide. Cancer metastasis is a major obstacle in clinical cancer therapy. The mechanisms underlying the metastasis of HCC remain unclear. Glucose-regulated protein 94 (GRP94) is a key protein involved in mediating cancer progression, and it is highly expressed in HCC specimens. However, the role of GRP94 in cancer metastasis is unclear. A specific short hairpin RNA (shRNA) was employed to knock down GRP94 gene expression in HCC cell lines. Wound-healing migration, transwell migration, and invasion assays were performed to determine the migration and invasive ability of HCC cells. We demonstrated that silencing GRP94 inhibited HCC cell wound healing, migration, and invasion. Furthermore, our findings indicated that GRP94 knockdown might attenuate HCC cell metastasis by inhibiting CCT8/c-Jun/EMT signaling. Our study indicated that silencing GRP94 significantly reduced the migration and invasion abilities of HCC cells. Moreover, depleting GRP94 inhibited cell migration and invasion by downregulating CCT8/c-Jun signaling. Thus, our data suggest that the GRP94/CCT8/c-Jun/EMT signaling cascade might be a new therapeutic target for HCC.
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49
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Martínez-Aranda A, Hernández V, Guney E, Muixí L, Foj R, Baixeras N, Cuadras D, Moreno V, Urruticoechea A, Gil M, Oliva B, Moreno F, González-Suarez E, Vidal N, Andreu X, Seguí MA, Ballester R, Castella E, Sierra A. FN14 and GRP94 expression are prognostic/predictive biomarkers of brain metastasis outcome that open up new therapeutic strategies. Oncotarget 2015; 6:44254-73. [PMID: 26497551 PMCID: PMC4792555 DOI: 10.18632/oncotarget.5471] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 10/09/2015] [Indexed: 11/25/2022] Open
Abstract
Brain metastasis is a devastating problem in patients with breast, lung and melanoma tumors. GRP94 and FN14 are predictive biomarkers over-expressed in primary breast carcinomas that metastasized in brain. To further validate these brain metastasis biomarkers, we performed a multicenter study including 318 patients with breast carcinomas. Among these patients, there were 138 patients with metastasis, of whom 84 had brain metastasis. The likelihood of developing brain metastasis increased by 5.24-fold (95%CI 2.83-9.71) and 2.55- (95%CI 1.52-4.3) in the presence of FN14 and GRP94, respectively. Moreover, FN14 was more sensitive than ErbB2 (38.27 vs. 24.68) with similar specificity (89.43 vs. 89.55) to predict brain metastasis and had identical prognostic value than triple negative patients (p < 0.0001). Furthermore, we used GRP94 and FN14 pathways and GUILD, a network-based disease-gene prioritization program, to pinpoint the genes likely to be therapeutic targets, which resulted in FN14 as the main modulator and thalidomide as the best scored drug. The treatment of mice with brain metastasis improves survival decreasing reactive astrocytes and angiogenesis, and down-regulate FN14 and its ligand TWEAK. In conclusion our results indicate that FN14 and GRP94 are prediction/prognosis markers which open up new possibilities for preventing/treating brain metastasis.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Angiogenesis Inhibitors/therapeutic use
- Animals
- Area Under Curve
- Astrocytes/drug effects
- Astrocytes/metabolism
- Astrocytes/pathology
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Brain Neoplasms/drug therapy
- Brain Neoplasms/genetics
- Brain Neoplasms/metabolism
- Brain Neoplasms/secondary
- Breast Neoplasms/drug therapy
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Carcinoma, Ductal, Breast/drug therapy
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/secondary
- Cell Line, Tumor
- Cytokine TWEAK
- Female
- Humans
- Immunohistochemistry
- Likelihood Functions
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/metabolism
- Mice, Nude
- Middle Aged
- Precision Medicine
- Predictive Value of Tests
- Prognosis
- ROC Curve
- Receptors, Tumor Necrosis Factor/genetics
- Receptors, Tumor Necrosis Factor/metabolism
- Risk Assessment
- Risk Factors
- Spain
- TWEAK Receptor
- Thalidomide/therapeutic use
- Tissue Array Analysis
- Tumor Microenvironment
- Tumor Necrosis Factors/metabolism
- Xenograft Model Antitumor Assays
- Young Adult
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Affiliation(s)
- Antonio Martínez-Aranda
- Biological Clues of the Invasive and Metastatic Phenotype Group, Molecular Oncology Department, Bellvitge Biomedical Research Institute (IDIBELL), 08907 L'Hospitalet de Llobregat, Barcelona, Spain
- Universitat Autònoma de Barcelona (UAB), Biochemistry and Molecular Biology Department, Faculty of Biosciences, Campus Bellaterra, Edifici C, Cerdanyola del Vallés, 08193 Barcelona, Spain
| | - Vanessa Hernández
- Biological Clues of the Invasive and Metastatic Phenotype Group, Molecular Oncology Department, Bellvitge Biomedical Research Institute (IDIBELL), 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Emre Guney
- Structural Bioinformatics Laboratory, Experimental Sciences Department, Universitat Pompeu Fabra-IMIM, Barcelona Research Park of Biomedicine, 08003 Barcelona, Spain
| | - Laia Muixí
- Biological Clues of the Invasive and Metastatic Phenotype Group, Molecular Oncology Department, Bellvitge Biomedical Research Institute (IDIBELL), 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ruben Foj
- Biological Clues of the Invasive and Metastatic Phenotype Group, Molecular Oncology Department, Bellvitge Biomedical Research Institute (IDIBELL), 08907 L'Hospitalet de Llobregat, Barcelona, Spain
- Universitat Autònoma de Barcelona (UAB), Biochemistry and Molecular Biology Department, Faculty of Biosciences, Campus Bellaterra, Edifici C, Cerdanyola del Vallés, 08193 Barcelona, Spain
| | - Núria Baixeras
- Servei d'Anatomia Patològica, Hospital Universitari de Bellvitge, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Daniel Cuadras
- Biomarkers and Susceptibility Unit, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Víctor Moreno
- Biomarkers and Susceptibility Unit, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ander Urruticoechea
- Breast Cancer Unit and Neuroncology Unit, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Miguel Gil
- Oncology Service, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Baldo Oliva
- Structural Bioinformatics Laboratory, Experimental Sciences Department, Universitat Pompeu Fabra-IMIM, Barcelona Research Park of Biomedicine, 08003 Barcelona, Spain
| | - Ferran Moreno
- Radiation Oncology Service, Institut Català d'Oncologia - IDIBELL, Hospital Duran i Reynals, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Eva González-Suarez
- Transformation and Metastasis Grup, Cancer Epigenetics and Biology Department, IDIBELL, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Noemí Vidal
- Servei d'Anatomia Patològica, Hospital Universitari de Bellvitge, 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Xavier Andreu
- Pathology Service, Corporació Sanitaria Parc Taulí, 08208 Sabadell, Spain
| | - Miquel A. Seguí
- Oncology Service, Corporació Sanitaria Parc Taulí, 08208 Sabadell, Spain
| | - Rosa Ballester
- Radiation Oncology Service, Institut Català d'Oncologia, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Eva Castella
- Pathology Service, Institut Català d'Oncologia, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Angels Sierra
- Biological Clues of the Invasive and Metastatic Phenotype Group, Molecular Oncology Department, Bellvitge Biomedical Research Institute (IDIBELL), 08907 L'Hospitalet de Llobregat, Barcelona, Spain
- Molecular and Translational Oncology Laboratory, Biomedical Research Center CELLEX-CRBC Institut d'Investigacions Biomèdiques August Pi i Sunyer-IDIBAPS 08036 Barcelona, Spain
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50
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Huang CY, Batzorig U, Cheng WL, Huang MT, Chen W, Wei PL, Chang YJ. Glucose-regulated protein 94 mediates cancer progression via AKT and eNOS in hepatocellular carcinoma. Tumour Biol 2016; 37:4295-304. [PMID: 26493996 DOI: 10.1007/s13277-015-4254-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 10/13/2015] [Indexed: 12/16/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a crucial health issue worldwide. High glucose-regulated protein 94 (GRP94) expression has been observed in different types of cancer, suggesting a link between tumor progression and GRP94 expression. However, the mechanisms underlying the role of GRP94 in HCC progression remain unclear. We used specific small hairpin RNA (shRNA) to manipulate GRP94 expression in HCC cells. Tissue arrays, MTT assays, xCELLigence assays, and in vivo xenograft model were performed to identify clinicopathological correlations and to analyze cell growth. We found that high GRP94 expression reflected a poor response and a lower survival rate. In vitro and in vivo studies showed that silencing GRP94 suppressed cancer progression. Mechanistically, GRP94 knockdown reduced AKT, phospho-AKT, and eNOS levels but did not influence the AMPK pathway. Our results demonstrated that GRP94 is a key molecule in HCC progression that modulates the AKT pathway and eNOS levels. Our findings suggest that GRP94 may be a new prognostic and therapeutic target for HCC.
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