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Liu H, Xu L, Zhang Y, Xie Y, Wang L, Zhou Y, Wang Z, Pan Y, Li W, Xu L, Xu X, Wang T, Meng K, He J, Qiu Y, Xu G, Ge W, Zhu Y, Wang L. Copper Increases the Sensitivity of Cholangiocarcinoma Cells to Tripterine by Inhibiting TMX2-Mediated Unfolded Protein Reaction Activation. Adv Healthc Mater 2023; 12:e2300913. [PMID: 37119498 DOI: 10.1002/adhm.202300913] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/18/2023] [Indexed: 05/01/2023]
Abstract
Chemotherapy-induced adaptive resistance is a significant factor that contributes to low therapeutic efficacy in tumor cells. The unfolded protein response (UPR) is a key mechanism in the development of drug resistance and serves as a critical reactive system for endoplasmic reticulum stress. Cu(II) can reduce the abundance of 60S ribosomal subunits and inhibit rRNA processing, leading to a decrease in the translation efficiency of the GRP78/BiP mRNA, which serves as a primary sensor for UPR activation. In this study, CuET-Lipid@Cela, composed of CuET and tripterine (Cela), demonstrates a significant synergistic antitumor effect on cholangiocarcinoma (CCA) cells. RNA-Seq is used to investigate the underlying mechanism, which suggests that the transmembrane protein 2 (TMX2) gene may be crucial in Cu(II) regulation of UPR by inhibiting the activation of GRP78/BiP and PERK/eIF2α. The synergistic antitumor efficacy of CuET-Lipid@Cela via inhibition of TMX2 is also confirmed in a myrAKT/YapS127A plasmid-induced primary CCA mouse model, providing new insights into the reversal of acquired chemotherapy-induced resistance in CCA.
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Affiliation(s)
- Hongwen Liu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Lei Xu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Yiyang Zhang
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Yiqiong Xie
- Department of Pharmacy, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
| | - Lishan Wang
- Department of Gastroenterology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
| | - Yue Zhou
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Zhangding Wang
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Yani Pan
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Wenying Li
- Department of Gastroenterology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
| | - Lu Xu
- Department of Pharmacy, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
| | - Xinyun Xu
- Department of Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Ting Wang
- Department of Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Kui Meng
- Department of Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Jian He
- Department of Nuclear Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Yudong Qiu
- Department of Hepatopancreatobiliary Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Guifang Xu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
- Department of Gastroenterology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
| | - Weihong Ge
- Department of Pharmacy, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
- Nanjing Medical Center for Clinical Pharmacy, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Yun Zhu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
- Department of Pharmacy, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
- Nanjing Medical Center for Clinical Pharmacy, Nanjing, Jiangsu Province, 210008, P. R. China
| | - Lei Wang
- Department of Gastroenterology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, 210008, P. R. China
- Department of Gastroenterology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, 21008, P. R. China
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Tian J, Zhang L, La X, Fan X, Li A, Wu C, An Y, Yan S, Dong X, Wu H, Li Z. Tumor-secreted GRP78 induces M2 polarization of macrophages by promoting lipid catabolism. Cell Signal 2023; 108:110719. [PMID: 37207940 DOI: 10.1016/j.cellsig.2023.110719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/10/2023] [Accepted: 05/15/2023] [Indexed: 05/21/2023]
Abstract
Macrophages in hypoxic regions of advanced colorectal tumors often exhibit M2-type features, but prefer oxygen-consuming lipid catabolism, which is contradictory in oxygen demand and supply. In this study, the results from bioinformatics analysis and intestinal lesions immunohistochemistry of 40 colorectal cancer patients illustrated that glucose-regulatory protein 78 (GRP78) was positively correlated with M2 macrophages. Furthermore, tumor-secreted GRP78 could enter macrophages and polarize them to M2-type. Mechanistically, entered GRP78 located in lipid droplets of macrophages, and elevated protein stabilization of adipose triglyceride lipase ATGL by interacting with it to inhibit its ubiquitination. Increased ATGL promoted the hydrolysis of triglycerides and the production of arachidonic acid (ARA) and docosahexaenoic acid (DHA). Excessive ARA and DHA interacted with PPARγ to encourage its activation, which mediated the M2 polarization of macrophages. In summary, our study showed that secreted GRP78 in the tumor hypoxic microenvironment mediated the domestication of tumor cells to macrophages and maintained tumor immunosuppressive microenvironment by promoting lipolysis, and the lipid catabolism not only provides energy for macrophages but also plays an important role in maintenance of immunosuppressive properties.
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Affiliation(s)
- Jinmiao Tian
- Institute of Biotechnology, Shanxi University, Taiyuan 030006, China
| | - Lichao Zhang
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China; School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China.
| | - Xiaoqin La
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
| | - Xiaxia Fan
- Institute of Biotechnology, Shanxi University, Taiyuan 030006, China
| | - Aiping Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China
| | - Changxin Wu
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
| | - Yuxuan An
- Institute of Biotechnology, Shanxi University, Taiyuan 030006, China
| | - Shuning Yan
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
| | - Xiushan Dong
- General Surgery Department, Shanxi Bethune Hospital, Taiyuan 030032, China
| | - Haitao Wu
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Zhuoyu Li
- Institute of Biotechnology, Shanxi University, Taiyuan 030006, China.
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3
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Dos Santos NS, Gonçalves DR, Balbinot B, Visioli F. Is GRP78 (Glucose-regulated protein 78) a prognostic biomarker in differents types of cancer? A systematic review and meta-analysis. Pathol Res Pract 2023; 242:154301. [PMID: 36610326 DOI: 10.1016/j.prp.2023.154301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 12/31/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
GRP78 is a chaperone with anti-apoptotic function associated with aggressive tumors. This systematic review aimed to evaluate GRP78 expression in cancer and its relation to prognosis outcomes. This review was conducted in different databases searching for human cancer studies assessing GRP78 immunohistochemical levels on tissue samples. A total of 98 manuscripts were included. In 62% of the studies, GRP78 was associated with a worse prognosis. A meta-analysis included 29 studies that detected a significantly higher expression of GRP78 in cancer tissues (RR= 2.35, 95% CI 1.75-3.15) compared to control. A meta-analysis of 3 and 5-years Overall Survival revealed an increased risk of death for tumors with high expression of GRP78 (RR=1.36, 95%CI 1.16-1,59, I2 = 57%) and (RR=1.65, 95%CI 1.22-2.21, I2 =64%), respectively. GRP78 is an important prognostic biomarker for different types of cancer and a promising therapeutic target.
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Affiliation(s)
- Natália Souza Dos Santos
- Oral Pathology Department, School of Dentistry, Universidade Federal do Rio Grande do Sul, Brazil
| | - Douglas Rodrigues Gonçalves
- Oral Pathology Department, School of Dentistry, Universidade Federal do Rio Grande do Sul, Brazil; Oral Medicine Unit, Otorhinolaryngology Service, Hospital de Clínicas de Porto Alegre, Brazil
| | - Bianca Balbinot
- Oral Pathology Department, School of Dentistry, Universidade Federal do Rio Grande do Sul, Brazil
| | - Fernanda Visioli
- Oral Pathology Department, School of Dentistry, Universidade Federal do Rio Grande do Sul, Brazil; Experimental Center Research, Hospital de Clínicas de Porto Alegre, Brazil.
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Liu Q, Liu J, Huang X. Unraveling the mystery: How bad is BAG3 in hematological malignancies? Biochim Biophys Acta Rev Cancer 2022; 1877:188781. [PMID: 35985611 DOI: 10.1016/j.bbcan.2022.188781] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
Abstract
BAG3, also known as BIS and CAIR-1, interacts with Hsp70 via its BAG domain and with other molecules through its WW domain, PXXP repeats and IPV motifs. BAG3 can participate in major cellular pathways including apoptosis, autophagy, cytoskeleton structure, and motility by regulating the expression, location, and activity of its chaperone proteins. As a multifunctional protein, BAG3 is highly expressed in skeletal muscle, cardiomyocytes and multiple tumors, and its intracellular expression can be stimulated by stress. The functions and mechanisms of BAG3 in hematological malignancies have recently been a topic of interest. BAG3 has been confirmed to be involved in the development and chemoresistance of hematological malignancies and to act as a prognostic indicator. Modulation of BAG3 and its corresponding proteins has thus emerged as a promising therapeutic and experimental target. In this review, we consider the characteristics of BAG3 in hematological malignancies as a reference for further clinical and fundamental investigations.
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Affiliation(s)
- Qinghan Liu
- Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.
| | - Jinde Liu
- Department of Respiratory, Dandong Central Hospital, Dandong, Liaoning, China
| | - Xinyue Huang
- The First Hospital of China Medical University, Shenyang, Liaoning, China.
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5
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GRP78 blockade overcomes intrinsic resistance to UBA1 inhibitor TAK-243 in glioblastoma. Cell Death Dis 2022; 8:133. [PMID: 35347123 PMCID: PMC8960808 DOI: 10.1038/s41420-022-00950-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 02/27/2022] [Accepted: 03/15/2022] [Indexed: 01/03/2023]
Abstract
Glioblastoma multiforme (GBM) is the most aggressive malignant primary brain tumor of the central nervous system. Despite continuous progression in treatment options for GBM like surgery, radiotherapy, and chemotherapy, this disease still has a high rate of recurrence. The endoplasmic reticulum (ER) stress pathway is associated with chemotherapeutic drug resistance. The UBA1 inhibitor TAK-243 can induce strong ER stress. However, the sensitivity of TAK-243 varies greatly in different tumor cells. This study evaluated the antitumor effects of the GRP78 inhibitor, HA15, combined with TAK-243 on GBM in the preclinical models. HA15 synergistically enhanced the sensitivity of GBM cells to TAK-243. When compared with TAK-243 monotherapy, HA15 combined with TAK-243 significantly inhibited GBM cell proliferation. It also induced G2/M-phase arrest in the cell cycle. In vivo studies showed that HA15 combined with TAK-243 significantly inhibited the growth of intracranial GBM and prolonged survival of the tumor-bearing mice. Mechanistically, HA15 and TAK-243 synergistically activated the PERK/ATF4 and IRE1α/XBP1 signaling axes, thereby eventually activating PARP and the Caspase families, which induced cell apoptosis. Our data provided a new strategy for improving the sensitivity of GBM to TAK-243 treatment and experimental basis for further clinical trials to evaluate this combination therapy.
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Mommersteeg M, Simovic I, Yu B, van Nieuwenburg S, Bruno IM, Doukas M, Kuipers E, Spaander M, Peppelenbosch M, Castaño-Rodríguez N, Fuhler G. Autophagy mediates ER stress and inflammation in Helicobacter pylori-related gastric cancer. Gut Microbes 2022; 14:2015238. [PMID: 34965181 PMCID: PMC8726742 DOI: 10.1080/19490976.2021.2015238] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Autophagy is a cellular degradation mechanism, which is triggered by the bacterium Helicobacter pylori. A single nucleotide polymorphism (SNP) in the autophagy gene ATG16L1 (rs2241880, G-allele) has been shown to dysregulate autophagy and increase intestinal endoplasmic reticulum (ER) stress. Here, we investigate the role of this SNP in H.pylori-mediated gastric carcinogenesis and its molecular pathways. ATG16L1 rs2241880 was genotyped in subjects from different ethnic cohorts (Dutch and Australian) presenting with gastric (pre)malignant lesions of various severity. Expression of GRP78 (a marker for ER stress) was assessed in gastric tissues. The effect of ATG16L1 rs2241880 on H.pylori-mediated ER stress and pro-inflammatory cytokine induction was investigated in organoids and CRISPR/Cas9 modified cell lines. Development of gastric cancer was associated with the ATG16L1 rs2241880 G-allele. Intestinal metaplastic cells in gastric tissue of patients showed increased levels of ER-stress. In vitro models showed that H.pylori increases autophagy while reducing ER stress, which appeared partly mediated by the ATG16L1 rs2241880 genotype. H.pylori-induced IL-8 production was increased while TNF-α production was decreased, in cells homozygous for the G-allele. The ATG16L1 rs2241880 G-allele is associated with progression of gastric premalignant lesions and cancer. Modulation of H.pylori-induced ER stress pathways and pro-inflammatory mediators by ATG16L1 rs2441880 may underlie this increased risk.
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Affiliation(s)
- M.C. Mommersteeg
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - I. Simovic
- School of Biotechnology and Biomolecular Sciences, Unsw, Sydney, Australia
| | - B. Yu
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S.A.V. van Nieuwenburg
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - I, M.J. Bruno
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M. Doukas
- Department of Pathology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - E.J. Kuipers
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M.C.W. Spaander
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M.P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - N. Castaño-Rodríguez
- School of Biotechnology and Biomolecular Sciences, Unsw, Sydney, Australia,CONTACT N. Castaño-Rodríguez School of Biotechnology and Biomolecular Sciences, UNSW Sydney, NSW 2052, Australia
| | - G.M. Fuhler
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands,G.M. Fuhler PhD Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Unsw, Rotterdam, The Netherlands
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Liao J, Hu Z, Li Q, Li H, Chen W, Huo H, Han Q, Zhang H, Guo J, Hu L, Pan J, Li Y, Tang Z. Endoplasmic Reticulum Stress Contributes to Copper-Induced Pyroptosis via Regulating the IRE1α-XBP1 Pathway in Pig Jejunal Epithelial Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:1293-1303. [PMID: 35075900 DOI: 10.1021/acs.jafc.1c07927] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Copper (Cu) is a common additive in food products, which poses a potential concern to animal and human health when it is in excess. Here, we investigated the relationship between endoplasmic reticulum (ER) stress and pyroptosis in Cu-induced toxicity of jejunum in vivo and in vitro. In in vivo experiments, excess intake of dietary Cu caused ER cavity expansion, elevated fluorescence signals of GRP78 and Caspase-1, and increased the mRNA and protein expression levels related to ER stress and pyroptosis in pig jejunal epithelium. Simultaneously, similar effects were observed in IPEC-J2 cells under excess Cu treatment. Importantly, 4-phenylbutyric acid (ER stress inhibitor) and MKC-3946 (IRE1α inhibitor) significantly inhibited the ER stress-triggered IRE1α-XBP1 pathway, which also alleviated the Cu-induced pyroptosis in IPEC-J2 cells. In general, these results suggested that ER stress participated in regulating Cu-induced pyroptosis in jejunal epithelial cells via the IRE1α-XBP1 pathway, which provided a novel view into the toxicology of Cu.
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Affiliation(s)
- Jianzhao Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Zhuoying Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Quanwei Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Hongji Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Weijin Chen
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Haihua Huo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Qingyue Han
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Lianmei Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Jiaqiang Pan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China
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8
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Sun Z, He Z, Liu R, Zhang Z. Cation Lipid-Assisted PEG6-PLGA Polymer Nanoparticles Encapsulated Knocking Down Long ncRNAs Reverse Non-Coding RNA of Xist Through the Support Vector Machine Model to Regulate the Molecular Mechanisms of Gastric Cancer Cell Apoptosis. J Biomed Nanotechnol 2021; 17:1305-1319. [PMID: 34446134 DOI: 10.1166/jbn.2021.3107] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Gastric adenocarcinoma (GAC) is one kind of gastric cancer with a high incidence rate and mortality. It is essential to study the etiology of GAC and provide theoretical guidance for the prevention and treatment of GAC. Bioinformatics was used via differential expression analysis, weighted gene co-expression network analysis, gene set enrichment analysis, and a training support vector machine (SVM) model to construct a TSIX/mir-320a/Rad51 network as the research index of GAC disease. On the basis of CRISPR/Cas9 gene editing technology, the present study utilizes the Cation lipid-assisted PEG-6-PLGA polymer nanoparticle (CLAN) drug carrier system to prepare the target knock-out TSIX drug with CRISPR/CaS9 nucleic acid. Knocking down lncRNA TSIX restored the suppression role of miR-320a on Rad51 and inhibited the Rad51 expression. Simultaneously, this ceRNA network activated the ATF6 signaling pathway after endoplasmic reticulum stress to promote GAC cells' apoptosis and inhibit the disease. TSIX/miR-320a/Rad51 network may be a potential biological target of GAC disease and provides a new strategy for treating GAC disease.
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Affiliation(s)
- Zhengwang Sun
- Department of Orthopaedic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, PR China
| | - Zirui He
- Department of General Surgery, Ruijin Hospital Shanghai Jiaotong University School of Medicine, Shanghai 200032, PR China
| | - Rujiao Liu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, PR China
| | - Zhe Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, PR China
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Cao T, Peng B, Zhou X, Cai J, Tang Y, Luo J, Xie H, Zhang J, Liu S. Integrated signaling system under endoplasmic reticulum stress in eukaryotic microorganisms. Appl Microbiol Biotechnol 2021; 105:4805-4818. [PMID: 34106312 DOI: 10.1007/s00253-021-11380-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/18/2021] [Accepted: 05/28/2021] [Indexed: 12/11/2022]
Abstract
The endoplasmic reticulum (ER) is a multifunctional organelle, which is crucial for correct folding and assembly of secretory and transmembrane proteins. Perturbations of ER function can cause ER stress. ER stress can activate the unfolded protein response (UPR) to cope with the accumulation of misfolded proteins and protein toxicity. UPR is a coordination system that regulates transcription and translation, leading to the recovery of ER homeostasis or cell death. However, cells have an integrated signaling system to cope with ER stress, which helps cells to restore and balance their ER function. The main components of this system are ER-associated degradation (ERAD), autophagy, hypoxia signaling, and mitochondrial biogenesis. If the balance cannot be restored, the imbalance will lead to cell death or apoptosis, or even to a series of diseases. In this review, a series of activities to restore the homeostasis of cells during ER stress are discussed. KEY POINTS: • Endoplasmic reticulum (ER) plays a key role in the biological process of cells. • Perturbations of ER function can cause ER stress, including the ER overload response (EOR), sterol-regulated cascade reaction, and the UPR. • Cells have an integrated signaling system (ERAD, autophagy, hypoxia signaling, and mitochondrial biogenesis) to cope with the adverse impact caused by ER stress.
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Affiliation(s)
- Ting Cao
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Binfeng Peng
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Xiangping Zhou
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Jialun Cai
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Yun Tang
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Jie Luo
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Haitao Xie
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Ji Zhang
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China
| | - Shuangquan Liu
- Department of Clinical Laboratory, The First Affiliated Hospital of University of South China, Hengyang, 421000, Hunan, China.
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10
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Using Serological Proteome Analysis to Identify and Evaluate Anti-GRP78 Autoantibody as Biomarker in the Detection of Gastric Cancer. JOURNAL OF ONCOLOGY 2020; 2020:9430737. [PMID: 33381181 PMCID: PMC7762641 DOI: 10.1155/2020/9430737] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 11/05/2020] [Accepted: 11/11/2020] [Indexed: 01/03/2023]
Abstract
The serological biomarkers as noninvasive tests are the most promising way for diagnosing gastric cancer (GC). Serological proteome analysis (SERPA) has been used to identify tumor-associated antigens (TAAs) and the corresponding autoantibodies in many studies. To explore the relationship between gastric cancer development and serum autoantibody anti-GRP78 response found by the method of SERPA with the GC cell line AGS, we included two cohorts (133 GC and 133 normal individuals in test group; 300 GC and 300 normal individuals in validation group) of patients with newly diagnosed GC for verification. All GC and normal controls were matched by age and gender. The autoantibody levels of the sera in two cohorts were measured by immunoassay. Finally, the results showed that 78-kDa glucose-regulated protein (GRP78) was identified in GC by SERPA and the level of anti-GRP78 antibody in GC was higher than that in normal individuals in the two cohorts. Receiver operating characteristic (ROC) curve analysis showed similar diagnostic value of anti-GRP78 antibody in test group (AUC: 0.718) and validation group (AUC: 0.666) to identify GC patients from normal individuals. The AUCs of anti-GRP78 autoantibody in the diagnosis of GC patients with different clinical characteristic ranged from 0.676 to 0.773 in test group and ranged from 0.645 to 0.707 in validation group. In conclusion, autoantibody against GRP78 might be a potential diagnostic biomarker. Further large-scale studies will be needed to validate and improve its performance of the sensitivity, specificity, and AUC value in distinguishing GC from other diseases.
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Ding HR, Tang ZT, Tang N, Zhu ZY, Liu HY, Pan CY, Hu AY, Lin YZ, Gou P, Yuan XW, Cai JH, Dong CL, Wang JL, Ren HZ. Protective Properties of FOXO1 Inhibition in a Murine Model of Non-alcoholic Fatty Liver Disease Are Associated With Attenuation of ER Stress and Necroptosis. Front Physiol 2020; 11:177. [PMID: 32218743 PMCID: PMC7078343 DOI: 10.3389/fphys.2020.00177] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 02/17/2020] [Indexed: 12/19/2022] Open
Abstract
Aim The pathogenesis of non-alcoholic fatty liver disease is currently unclear, however, lipid accumulation leading to endoplasmic reticulum stress appears to be pivotal in the process. At present, FOXO1 is known to be involved in NAFLD progression. The relationship between necroptosis and non-alcoholic steatohepatitis has been of great research interest more recently. However, whether FOXO1 regulates ER stress and necroptosis in mice fed with a high fat diet is not clear. Therefore, in this study we analyzed the relationship between non-alcoholic steatohepatitis, ER stress, and necroptosis. Main Methods Male C57BL/6J mice were fed with an HFD for 14 weeks to induce non-alcoholic steatohepatitis. ER stress and activation of necroptosis in AML12 cells were evaluated after inhibition of FOXO1 in AML12 cells. In addition, mice were fed with AS1842856 for 14 weeks. Liver function and lipid accumulation were measured, and further, ER stress and necroptosis were evaluated by Western Blot and Transmission Electron Microscopy. Key Findings Mice fed with a high fat diet showed high levels of FOXO1, accompanying activation of endoplasmic reticulum stress and necroptosis. Further, sustained PA stimulation caused ER stress and necroptosis in AML12 cells. At the same time, protein levels of FOXO1 increased significantly. Inhibition of FOXO1 with AS1842856 alleviated ER stress and necroptosis. Additionally, treatment of mice with a FOXO1 inhibitor ameliorated liver function after they were fed with a high fat diet, displaying better liver condition and lighter necroptosis. Significance Inhibition of FOXO1 attenuates ER stress and necroptosis in a mouse model of non-alcoholic steatohepatitis.
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Affiliation(s)
- Hao-Ran Ding
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhen-Ting Tang
- Department of Pediatrics, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Ning Tang
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China
| | - Zheng-Yi Zhu
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Han-Yi Liu
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Chen-Yan Pan
- Department of Hepatobiliary Surgery, Nanjing University of Chinese Medicine, Nanjing, China
| | - An-Yin Hu
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Yun-Zhen Lin
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Peng Gou
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Xian-Wen Yuan
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Jia-Hui Cai
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China
| | - Chun-Long Dong
- Department of Hepatobiliary Surgery, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jing-Lin Wang
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hao-Zhen Ren
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China.,Department of Hepatobiliary Surgery, Nanjing University of Chinese Medicine, Nanjing, China
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Minchenko OH, Viletska YM, Minchenko DO, Davydov VV. Insulin resistance in obese adolescents and adult men modifies the expression of proliferation related genes. UKRAINIAN BIOCHEMICAL JOURNAL 2019. [DOI: 10.15407/ubj91.03.065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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13
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Endoplasmic reticulum proteostasis control and gastric cancer. Cancer Lett 2019; 449:263-271. [PMID: 30776479 DOI: 10.1016/j.canlet.2019.01.034] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/16/2019] [Accepted: 01/26/2019] [Indexed: 02/07/2023]
Abstract
The endoplasmic reticulum (ER) is the primary organelle responsible for the synthesis, modification, folding and secretion of proteins, especially in specialized secretory cells. It also contributes to the maintenance of cellular functions, such as Ca2+ storage, lipogenesis, gluconeogenesis, and organelle biogenesis. Cellular stress conditions, such as glucose deprivation, hypoxia and disturbance of Ca2+ homeostasis, may increase the risk of protein misfolding and perturb proteostasis. This activates ER stress and triggers the unfolded protein response (UPR), leading to either the restoration of homeostasis or cell death. ER stress and UPR have been shown to play crucial roles in the pathogenesis, progression and treatment response of various cancers. In gastric cancer (GC), one of the most aggressive cancer types, critical functions of ER stress signaling have also started to emerge. Herein, we summarize the current knowledge linking ER stress and UPR to GC; we also discuss the possible nodes of therapeutic intervention and propose directions of future research.
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Xi J, Chen Y, Huang S, Cui F, Wang X. Suppression of GRP78 sensitizes human colorectal cancer cells to oxaliplatin by downregulation of CD24. Oncol Lett 2018; 15:9861-9867. [PMID: 29805687 PMCID: PMC5958709 DOI: 10.3892/ol.2018.8549] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 01/29/2018] [Indexed: 12/11/2022] Open
Abstract
Glucose-regulated protein 78 (GRP78) is an endoplasmic reticulum stress signaling regulator with anti-apoptotic properties. It has been demonstrated to promote tumor proliferation, survival and metastasis, and to confer resistance against a large variety of therapies. CD24 is a glycosyl-phosphatidylinositol-anchored protein, which is known to have a role in tumor progression, particularly in colorectal cancer (CRC). In the present study, oxaliplatin (L-OHP) was demonstrated to decrease the expression of CD24 in HT29 cells. Knockdown of CD24 using small interfering RNA resulted in sensitization of HT29 cells to L-OHP. By contrast, overexpression of CD24 rendered SW480 cells resistant to L-OHP, which indicated that CD24 antagonized L-OHP-induced cytotoxicity. A co-immunoprecipitation assay revealed that GRP78 physically associates with CD24. L-OHP suppresses the expression of GRP78 and CD24, in part come from the inhibition of interaction between the two. Suppression of GRP78 caused downregulation of CD24 expression and enhanced L-OHP-induced CD24 inhibition. Furthermore, down-regulation of GPR78 with a pharmacological inhibitor sensitized the CRC cells to L-OHP. Collectively, the present results indicate that CD24 antagonizes L-OHP-induced cytotoxicity and that GRP78 is involved in this process. A novel mechanism via which CRC cells acquire resistance to L-OHP was thereby revealed. Use of a combination of compounds which suppress GRP78 may help to improve the effectiveness of L-OHP in the treatment of CRC.
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Affiliation(s)
- Jingle Xi
- Department of Oncology, Nanfang Hospital, Guangzhou, Guangdong 510515, P.R. China
| | - Yufan Chen
- Department of Orthopaedic Surgery, Nanfang Hospital, Guangzhou, Guangdong 510515, P.R. China
| | - Shangbin Huang
- Department of General Surgery, Taixin Hospital, Dongguan, Guangdong 523000, P.R. China
| | - Fei Cui
- Department of Oncology, Nanfang Hospital, Guangzhou, Guangdong 510515, P.R. China
| | - Xinying Wang
- Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
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15
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[Protective effect of prostaglandin E1 against brain injury induced by hyperoxia in neonatal rats]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2018; 20. [PMID: 29530125 PMCID: PMC7389790 DOI: 10.7499/j.issn.1008-8830.2018.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To investigate the protective effect of prostaglandin E1 (PGE-1) against brain injury induced by hyperoxia in neonatal rats and observe the changes in the expression of glucose-regulated protein 78 (GRP78) and cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP), and to provide a theoretical basis for the clinical application of PGE-1 in the treatment of neonatal brain injury induced by hyperoxia. METHODS Sixty neonatal Wistar rats were randomly divided into air control group, hyperoxic brain injury model group, and hyperoxic brain injury+PGE-1 group. All rats except those in the air control group were treated to establish a hyperoxic brain injury model. From the first day of modeling, the rats in the hyperoxia brain injury+PGE-1 group were intraperitoneally injected with PGE-1 2 μg/kg daily for 7 consecutive days, while the other two groups were treated with normal saline instead. The water content of brain tissue was measured; the pathological changes of brain tissue were evaluated by hematoxylin-eosin staining; the apoptosis of brain cells was assessed by nuclear staining combined with TUNEL staining; the protein expression of GRP78 and CHOP in brain tissue was measured by Western blot. RESULTS The water content of brain tissue in the hyperoxic brain injury model group was significantly higher than that in the hyperoxic brain injury+PGE-1 group and air control group (P<0.05); the water content of brain tissue in the hyperoxic brain injury+PGE-1 group was significantly higher than that in the air control group (P<0.05). The pathological section of brain tissue showed inflammatory cell infiltration and mild cerebrovascular edema in the brain parenchyma in the hyperoxic brain injury model group; the periparenchymal inflammation and edema in the hyperoxic brain injury+PGE-1 group were milder than those in the hyperoxic brain injury model group. The apoptosis index of brain tissue in the hyperoxic brain injury model group was significantly higher than that in the hyperoxic brain injury+PGE-1 group and air control group (P<0.05); the apoptosis index of brain tissue in the hyperoxic brain injury+PGE-1 group was significantly higher than that in the air control group (P<0.05). The protein expression of GRP78 and CHOP in brain tissue was significantly higher in the hyperoxic brain injury model group than in the hyperoxic brain injury+PGE-1 group and air control group (P<0.05); the protein expression of GRP78 and CHOP was significantly higher in the hyperoxic brain injury+PGE-1 group than in the air control group (P<0.05). CONCLUSIONS PGE-1 has a protective effect against hyperoxia-induced brain injury in neonatal rats, which may be related to the inhibition of cell apoptosis by down-regulating the expression of GRP78 and CHOP.
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