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Zai Z, Xu Y, Qian X, Li Z, Ou Z, Zhang T, Wang L, Ling Y, Peng X, Zhang Y, Chen F. Estrogen antagonizes ASIC1a-induced chondrocyte mitochondrial stress in rheumatoid arthritis. J Transl Med 2022; 20:561. [PMID: 36463203 PMCID: PMC9719153 DOI: 10.1186/s12967-022-03781-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/19/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Destruction of articular cartilage and bone is the main cause of joint dysfunction in rheumatoid arthritis (RA). Acid-sensing ion channel 1a (ASIC1a) is a key molecule that mediates the destruction of RA articular cartilage. Estrogen has been proven to have a protective effect against articular cartilage damage, however, the underlying mechanisms remain unclear. METHODS We treated rat articular chondrocytes with an acidic environment, analyzed the expression levels of mitochondrial stress protein HSP10, ClpP, LONP1 by q-PCR and immunofluorescence staining. Transmission electron microscopy was used to analyze the mitochondrial morphological changes. Laser confocal microscopy was used to analyze the Ca2+, mitochondrial membrane potential (Δψm) and reactive oxygen species (ROS) level. Moreover, ASIC1a specific inhibitor Psalmotoxin 1 (Pctx-1) and Ethylene Glycol Tetraacetic Acid (EGTA) were used to observe whether acid stimulation damage mitochondrial function through Ca2+ influx mediated by ASIC1a and whether pretreatment with estrogen could counteract these phenomena. Furthermore, the ovariectomized (OVX) adjuvant arthritis (AA) rat model was treated with estrogen to explore the effect of estrogen on disease progression. RESULTS Our results indicated that HSP10, ClpP, LONP1 protein and mRNA expression and mitochondrial ROS level were elevated in acid-stimulated chondrocytes. Moreover, acid stimulation decreased mitochondrial membrane potential and damaged mitochondrial structure of chondrocytes. Furthermore, ASIC1a specific inhibitor PcTx-1 and EGTA inhibited acid-induced mitochondrial abnormalities. In addition, estrogen could protect acid-stimulated induced mitochondrial stress by regulating the activity of ASIC1a in rat chondrocytes and protects cartilage damage in OVX AA rat. CONCLUSIONS Extracellular acidification induces mitochondrial stress by activating ASIC1a, leading to the damage of rat articular chondrocytes. Estrogen antagonizes acidosis-induced joint damage by inhibiting ASIC1a activity. Our study provides new insights into the protective effect and mechanism of action of estrogen in RA.
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Affiliation(s)
- Zhuoyan Zai
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Yayun Xu
- grid.186775.a0000 0000 9490 772XSchool of Public Health, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Xuewen Qian
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Zihan Li
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Ziyao Ou
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Tao Zhang
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Longfei Wang
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Yian Ling
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
| | - Xiaoqing Peng
- grid.412679.f0000 0004 1771 3402Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Road, Hefei, 230022 Anhui China
| | - Yihao Zhang
- grid.186775.a0000 0000 9490 772XDepartment of Toxicology, School of Public Health, Anhui Medical University, Hefei, China ,Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China
| | - Feihu Chen
- grid.186775.a0000 0000 9490 772XSchool of Pharmacy, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XInflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, No. 81 Mei Shan Road, Shu Shan District, Hefei, 230032 Anhui China
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van der Schrier R, van Velzen M, Roozekrans M, Sarton E, Olofsen E, Niesters M, Smulders C, Dahan A. Carbon dioxide tolerability and toxicity in rat and man: A translational study. FRONTIERS IN TOXICOLOGY 2022; 4:1001709. [PMID: 36310693 PMCID: PMC9606673 DOI: 10.3389/ftox.2022.1001709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/12/2022] [Indexed: 11/07/2022] Open
Abstract
Background: Due the increasing need for storage of carbon dioxide (CO2) more individuals are prone to be exposed to high concentrations of CO2 accidentally released into atmosphere, with deleterious consequences. Methods: We tested the effect of increasing CO2 concentrations in humans (6–12%) and rats (10–50%) at varying inhalation times (10–60 min). In humans, a continuous positive airway pressure helmet was used to deliver the gas mixture to the participants. Unrestrained rats were exposed to CO2 in a transparent chamber. In both species regular arterial blood gas samples were obtained. After the studies, the lungs of the animals were examined for macroscopic and microscopic abnormalities. Results: In humans, CO2 concentrations of 9% inhaled for >10 min, and higher concentrations inhaled for <10 min were poorly or not tolerated due to exhaustion, anxiety, dissociation or acidosis (pH < 7.2), despite intact oxygenation. In rats, concentrations of 30% and higher were associated with CO2 narcosis, epilepsy, poor oxygenation and, at 50% CO2, spontaneous death. Lung hemorrhage and edema were observed in the rats at inhaled concentrations of 30% and higher. Conclusion: This study provides essential insight into the occurrence of physiological changes in humans and fatalities in rats after acute exposure to high levels of CO2. Humans tolerate 9% CO2 and retain their ability to function coherently for up to 10 min. These data support reconsideration of the current CO2 levels (<7.5%) that pose a risk to exposed individuals (<7.5%) as determined by governmental agencies to ≤9%.
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Affiliation(s)
| | - Monique van Velzen
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands
| | - Margot Roozekrans
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands,Department of Anesthesiology, Noordwest Ziekenhuisgroep, Alkmaar, Netherlands
| | - Elise Sarton
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands
| | - Erik Olofsen
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands
| | - Marieke Niesters
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands
| | | | - Albert Dahan
- Department of Anesthesiology, Leiden University Medical Center, Leiden, Netherlands,*Correspondence: Albert Dahan,
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Majagi S, Mangat S, Chu XP. Commentary: Pharmacological Validation of ASIC1a as a Druggable Target for Neuroprotection in Cerebral Ischemia Using an Intravenously Available Small Molecule Inhibitor. Front Pharmacol 2022; 13:938748. [PMID: 35865964 PMCID: PMC9294732 DOI: 10.3389/fphar.2022.938748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 06/16/2022] [Indexed: 11/23/2022] Open
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Mohanty I, Banerjee S, Mahanty A, Mohanty S, Nayak NR, Parija SC, Mohanty BP. Proteomic Profiling and Pathway Analysis of Acid Stress-Induced Vasorelaxation of Mesenteric Arteries In Vitro. Genes (Basel) 2022; 13:801. [PMID: 35627186 PMCID: PMC9140505 DOI: 10.3390/genes13050801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/23/2022] [Accepted: 04/24/2022] [Indexed: 02/04/2023] Open
Abstract
Although metabolic acidosis is associated with numerous pathophysiological conditions and its vasorelaxation effects have been well described in different animal and culture models, the molecular mechanisms of acidosis-induced vasorelaxation are not fully understood. Mesenteric artery models have been used extensively to examine the vascular response to various pathophysiological conditions. Our previous studies and several other reports have suggested the vascular responses of goat mesenteric arteries and human arteries to various stimuli, including acidic stress, are highly similar. In this study, to further identify the signaling molecules responsible for altered vasoreactivity in response to acidic pH, we examined the proteomic profile of acid stress-induced vasorelaxation using a goat mesenteric artery model. The vascular proteomes under acidic pH were compared using 2D-GE with 7 cm IPG strips and mini gels, LC-MS/MS, and MALDI TOF MS. The unique proteins identified by mass spectroscopy were actin, transgelin, WD repeat-containing protein 1, desmin, tropomyosin, ATP synthase β, Hsp27, aldehyde dehydrogenase, pyruvate kinase, and vitamin K epoxide reductase complex subunit 1-like protein. Out of five protein spots identified as actin, three were upregulated > 2-fold. ATP synthase β was also upregulated (2.14-fold) under acid stress. Other actin-associated proteins upregulated were transgelin, desmin, and WD repeat-containing protein 1. Isometric contraction studies revealed that both receptor-mediated (histamine) and non-receptor-mediated (KCl) vasocontraction were attenuated, whereas acetylcholine-induced vasorelaxation was augmented under acidosis. Overall, the altered vasoreactivity under acidosis observed in the functional studies could possibly be attributed to the increase in expression of actin and ATP synthase β.
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Affiliation(s)
- Ipsita Mohanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- Department of Pharmacology and Toxicology, College of Veterinary Sciences and Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar 751003, India;
- Departments of Pediatrics, Children’s Hospital of Philadelphia Research Institute, The Raymond and Ruth Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sudeshna Banerjee
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
| | - Arabinda Mahanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- ICAR-National Rice Research Institute, Cuttack 753006, India
| | - Sasmita Mohanty
- Department of Biotechnology, Faculty of Science & Technology, Rama Devi Women’s University, Bhubaneswar 751022, India;
| | - Nihar Ranjan Nayak
- Department of Obstetrics and Gynecology, UMKC School of Medicine, Kansas City, MO 64108, USA
| | - Subas Chandra Parija
- Department of Pharmacology and Toxicology, College of Veterinary Sciences and Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar 751003, India;
| | - Bimal Prasanna Mohanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- Indian Council of Agricultural Research (ICAR), ICAR-Fisheries Science Division, Room No. 308, Krishi Anusandhan Bhawan II, New Delhi 110012, India
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Pan X, Zhu Y, Wu X, Liu L, Ying R, Wang L, Du N, Zhang J, Jin J, Meng X, Dai F, Huang Y. The interaction of ASIC1a and ERS mediates nerve cell apoptosis induced by insulin deficiency. Eur J Pharmacol 2020; 893:173816. [PMID: 33345857 DOI: 10.1016/j.ejphar.2020.173816] [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: 08/30/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 10/22/2022]
Abstract
Diabetes-related brain complications are the most serious complications of terminal diabetes. The increasing evidence have showed that the predisposing factor is not only hyperglycemia, but also insulin deficiency. In this study, we demonstrated that insulin deficiency was involved in the apoptosis of nerve cells, and it was related to the interaction between acid-sensitive ion channel 1a (ASIC1a) and endoplasmic reticulum stress (ERS). By silencing C/EBP homologous protein (CHOP) and ASIC1a, the pro-apoptotic effect of insulin deficiency on NS20y cells was relieved. Further research found that the binding of CHOP and C/EBPα was increased in the nucleus of cells cultured without insulin, and C/EBPα was competitively inhibited as a negative regulator of ASIC1a, which further increased the ERS and lead to neuronal apoptosis. In summary, ERS and ASIC1a play an important role in neurological damage caused by insulin deficiency. Our finding may lead to new ideas and treatment of diabetes-related brain complications.
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Affiliation(s)
- Xuesheng Pan
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Yueqin Zhu
- Department of Pharmacy, West Branch of the First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei, 230031, China
| | - Xian Wu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Lan Liu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China; Department of Pharmacy, Fuyang Hospital of Anhui Medical University, Fuyang, 236000, China
| | - Ruixue Ying
- Department of Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Lili Wang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Na Du
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Jin Zhang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Juan Jin
- Department of Pharmacology, School of Basic Medicine, Anhui Medical University. Hefei, 230032, China
| | - Xiaoming Meng
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China
| | - Fang Dai
- Department of Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China.
| | - Yan Huang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China; Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Hefei, 230032, China.
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