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Zhang Y, Chen B, Wang M, Liu H, Chen M, Zhu J, Zhang Y, Wang X, Wu Y, Liu D, Cui G, Kitakaze M, Kim JK, Wang Y, Luo T. A novel function of claudin-5 in maintaining the structural integrity of the heart and its implications in cardiac pathology. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167274. [PMID: 38838411 DOI: 10.1016/j.bbadis.2024.167274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/23/2024] [Accepted: 05/28/2024] [Indexed: 06/07/2024]
Abstract
This study aims to investigate the role of claudin-5 (Cldn5) in cardiac structural integrity. Proteomic analysis was performed to screen the protein profiles in enlarged left atrium from atrial fibrillation (AF) patients. Cldn5 shRNA adeno-associated virus (AAV) or siRNA was injected into the mouse left ventricle or added into HL1 cells respectively to knockdown Cldn5 in cardiomyocytes to observe whether the change of Cldn5 influences cardiac morphology and function, and affects those protein expressions stem from the proteomic analysis. Mitochondrial density and membrane potential were also measured by Mitotracker staining and JC-1 staining under the confocal microscope in HL1 cells. Cldn5 was reduced in cardiomyocytes from the left atrial appendage of AF patients compared to non-AF donors. Proteomic analysis showed 83 proteins were less abundant and 102 proteins were more abundant in AF patients. KEGG pathway analysis showed less abundant CACNA2D2, CACNB2, MYL2 and MAP6 were highly associated with dilated cardiomyopathy. Cldn5 shRNA AAV injection caused severe cardiac atrophy, dilation and myocardial dysfunction in mice. The decreases in mitochondrial numbers and mitochondrial membrane potentials in HL1 cells were observed after Cldn5 knockdown. We demonstrated for the first time the mechanism of Cldn5 downregulation-induced myocyte atrophy and myocardial dysfunction might be associated with the downregulation of CACNA2D2, CACNB2, MYL2 and MAP6, and mitochondrial dysfunction in cardiomyocytes.
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Affiliation(s)
- Yi Zhang
- Department of Pathophysiology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Baihe Chen
- Department of Functional Laboratory, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Miao Wang
- Department of Pathophysiology, Jinan University, Guangzhou, China
| | - Haiqiong Liu
- Department of Health Management, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Minjun Chen
- The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiabiao Zhu
- Department of Basic Teaching, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Yu Zhang
- Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xianbao Wang
- Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yuanzhou Wu
- Department of Cardiovascular Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Daishun Liu
- Department of Respiratory and Critical Medicine, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Guozhen Cui
- School of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | | | - Jin Kyung Kim
- Division of Cardiology, Department of Medicine, School of Medicine, University of California Irvine, United States of America
| | - Yiyang Wang
- Department of Pathophysiology, Jinan University, Guangzhou, China.
| | - Tao Luo
- Department of Pathophysiology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China.
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Shapiro IM, Risbud MV, Landis WJ. Toward understanding the cellular control of vertebrate mineralization: The potential role of mitochondria. Bone 2024; 185:117112. [PMID: 38697384 DOI: 10.1016/j.bone.2024.117112] [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: 02/20/2024] [Revised: 04/17/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
This review examines the possible role of mitochondria in maintaining calcium and phosphate ion homeostasis and participating in the mineralization of bone, cartilage and other vertebrate hard tissues. The paper builds on the known structural features of mitochondria and the documented observations in these tissues that the organelles contain calcium phosphate granules. Such deposits in mitochondria putatively form to buffer excessively high cytosolic calcium ion concentrations and prevent metabolic deficits and even cell death. While mitochondria protect cytosolic enzyme systems through this buffering capacity, the accumulation of calcium ions by mitochondria promotes the activity of enzymes of the tricarboxylic acid (TCA/Krebs) cycle, increases oxidative phosphorylation and ATP synthesis, and leads to changes in intramitochondrial pH. These pH alterations influence ion solubility and possibly the transitions and composition in the mineral phase structure of the granules. Based on these considerations, mitochondria are proposed to support the mineralization process by providing a mobile store of calcium and phosphate ions, in smaller cluster or larger granule form, while maintaining critical cellular activities. The rise in the mitochondrial calcium level also increases the generation of citrate and other TCA cycle intermediates that contribute to cell function and the development of extracellular mineral. This paper suggests that another key role of the mitochondrion, along with the effects just noted, is to supply phosphate ions, derived from the breakdown of ATP, to endolysosomes and autophagic vesicles originating in the endoplasmic reticulum and Golgi and at the plasma membrane. These many separate but interdependent mitochondrial functions emphasize the critical importance of this organelle in the cellular control of vertebrate mineralization.
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Affiliation(s)
- Irving M Shapiro
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States of America.
| | - Makarand V Risbud
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - William J Landis
- Department of Preventive and Restorative Dental Sciences, School of Dentistry, University of California at San Francisco, San Francisco, CA, United States of America
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Jiang T, Ruan N, Luo P, Wang Q, Wei X, Li Y, Dai Y, Lin L, Lv J, Liu Y, Zhang C. Modulation of ER-mitochondria tethering complex VAPB-PTPIP51: Novel therapeutic targets for aging-associated diseases. Ageing Res Rev 2024; 98:102320. [PMID: 38719161 DOI: 10.1016/j.arr.2024.102320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 04/15/2024] [Accepted: 05/01/2024] [Indexed: 05/12/2024]
Abstract
Aging is a gradual and irreversible natural process. With aging, the body experiences a functional decline, and the effects amplify the vulnerability to a range of age-related diseases, including neurodegenerative, cardiovascular, and metabolic diseases. Within the aging process, the morphology and function of mitochondria and the endoplasmic reticulum (ER) undergo alterations, particularly in the structure connecting these organelles known as mitochondria-associated membranes (MAMs). MAMs serve as vital intracellular signaling hubs, facilitating communication between the ER and mitochondria when regulating various cellular events, including calcium homeostasis, lipid metabolism, mitochondrial function, and apoptosis. The formation of MAMs is partly dependent on the interaction between the vesicle-associated membrane protein-associated protein-B (VAPB) and protein tyrosine phosphatase-interacting protein-51 (PTPIP51). Accumulating evidence has begun to elucidate the pivotal role of the VAPB-PTPIP51 tether in the initiation and progression of age-related diseases. In this study, we delineate the intricate structure and multifunctional role of the VAPB-PTPIP51 tether and discuss its profound implications in aging-associated diseases. Moreover, we provide a comprehensive overview of potential therapeutic interventions and pharmacological agents targeting the VAPB-PTPIP51-mediated MAMs, thereby offering a glimmer of hope in mitigating aging processes and treating age-related disorders.
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Affiliation(s)
- Tao Jiang
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Nan Ruan
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Pengcheng Luo
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qian Wang
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiuxian Wei
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yi Li
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yue Dai
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Lin
- Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Division of Cardiology, Department of Internal Medicine, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jiagao Lv
- Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Division of Cardiology, Department of Internal Medicine, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yu Liu
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Cuntai Zhang
- Department of Geriatrics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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4
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Rahi V, Kaundal RK. Exploring the intricacies of calcium dysregulation in ischemic stroke: Insights into neuronal cell death and therapeutic strategies. Life Sci 2024; 347:122651. [PMID: 38642844 DOI: 10.1016/j.lfs.2024.122651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/16/2024] [Accepted: 04/15/2024] [Indexed: 04/22/2024]
Abstract
Calcium ion (Ca2+) dysregulation is one of the main causes of neuronal cell death and brain damage after cerebral ischemia. During ischemic stroke, the ability of neurons to maintain Ca2+ homeostasis is compromised. Ca2+ regulates various functions of the nervous system, including neuronal activity and adenosine triphosphate (ATP) production. Disruptions in Ca2+ homeostasis can trigger a cascade of events, including activation of the unfolded protein response (UPR) pathway, which is associated with endoplasmic reticulum (ER) stress and mitochondrial dysfunction. This response occurs when the cell is unable to manage protein folding within the ER due to various stressors, such as a high influx of Ca2+. Consequently, the UPR is initiated to restore ER function and alleviate stress, but prolonged activation can lead to mitochondrial dysfunction and, ultimately, cell death. Hence, precise regulation of Ca2+ within the cell is mandatory. The ER and mitochondria are two such organelles that maintain intracellular Ca2+ homeostasis through various calcium-operating channels, including ryanodine receptors (RyRs), inositol trisphosphate receptors (IP3Rs), sarco/endoplasmic reticulum calcium ATPases (SERCAs), the mitochondrial Na+/Ca2+ exchanger (NCLX), the mitochondrial calcium uniporter (MCU) and voltage-dependent anion channels (VDACs). These channels utilize Ca2+ sequestering and release mechanisms to maintain intracellular Ca2+ homeostasis and ensure proper cellular function and survival. The present review critically evaluates the significance of Ca2+ and its physiological role in cerebral ischemia. We have compiled recent findings on calcium's role and emerging treatment strategies, particularly targeting mitochondria and the endoplasmic reticulum, to address Ca2+ overload in cerebral ischemia.
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Affiliation(s)
- Vikrant Rahi
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow 226 002, India
| | - Ravinder K Kaundal
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow 226 002, India.
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Xing Y, Shi H, Gao X, Zhu X, Zhang D, Fang L, Wang J, Liu C, Wu D, Wang X, Min W. Walnut-Derived Peptides Alleviate Learning and Memory Impairments in a Mice Model via Inhibition of Microglia Phagocytose Synapses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38853533 DOI: 10.1021/acs.jafc.4c01201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Microglia phagocytose synapses have an important effect on the pathogenesis of neurological disorders. Here, we investigated the neuroprotective effects of the walnut-derived peptide, TWLPLPR(TW-7), against LPS-induced cognitive deficits in mice and explored the underlying C1q-mediated microglia phagocytose synapses mechanisms in LPS-treated HT22 cells. The MWM showed that TW-7 improved the learning and memory capacity of the LPS-injured mice. Both transmission electron microscopy and immunofluorescence analysis illustrated that synaptic density and morphology were increased while associated with the decreased colocalized synapses with C1q. Immunohistochemistry and immunofluorescence demonstrated that TW-7 effectively reduced the microglia phagocytosis of synapses. Subsequently, overexpression of C1q gene plasmid was used to verify the contribution of the TW-7 via the classical complement pathway-regulated mitochondrial function-mediated microglia phagocytose synapses in LPS-treated HT22 cells. These data suggested that TW-7 improved the learning and memory capability of LPS-induced cognitively impaired mice through a mechanism associated with the classical complement pathway-mediated microglia phagocytose synapse.
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Affiliation(s)
- Yihang Xing
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Haoyuan Shi
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Xi Gao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Xinyu Zhu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Dingwen Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Li Fang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Ji Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Chunlei Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Dan Wu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Xiyan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Weihong Min
- College of Food and Health, Zhejiang A&F University, Hangzhou 311300, P. R. China
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6
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Lopes AR, Costa Silva DG, Rodrigues NR, Kemmerich Martins I, Paganotto Leandro L, Nunes MEM, Posser T, Franco J. Investigating the impact of Psidium guajava leaf hydroalcoholic extract in improving glutamatergic toxicity-induced oxidative stress in Danio rerio larvae. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2024; 87:457-470. [PMID: 38576186 DOI: 10.1080/15287394.2024.2337366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Glutamate is one of the predominant excitatory neurotransmitters released from the central nervous system; however, at high concentrations, this substance may induce excitotoxicity. This phenomenon is involved in numerous neuropathologies. At present, clinically available pharmacotherapeutic agents to counteract glutamatergic excitotoxicity are not completely effective; therefore, research to develop novel compounds is necessary. In this study, the main objective was to determine the pharmacotherapeutic potential of the hydroalcoholic extract of Psidium guajava (PG) in a model of oxidative stress-induced by exposure to glutamate utilizing Danio rerio larvae (zebrafish) as a model. Data showed that treatment with glutamate produced a significant increase in oxidative stress, chromatin damage, apoptosis, and locomotor dysfunction. All these effects were attenuated by pre-treatment with the classical antioxidant N-acetylcysteine (NAC). Treatment with PG inhibited oxidative stress responsible for cellular damage induced by glutamate. However, exposure to PG failed to prevent glutamate-initiated locomotor damage. Our findings suggest that under conditions of oxidative stress, PG can be considered as a promising candidate for treatment of glutamatergic excitotoxicity and consequent neurodegenerative diseases.
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Affiliation(s)
- Andressa Rubim Lopes
- Centro Interdisciplinar de Pesquisa em Biotecnologia - CIPBiotec, Universidade Federal do Pampa - UNIPAMPA, São Gabriel, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Ciências Fisiológicas - Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Dennis Guilherme Costa Silva
- Programa de Pós-Graduação em Ciências Fisiológicas - Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Nathane Rosa Rodrigues
- Grupo de Pesquisa em Bioquímica e Toxicologia Compostos Bioativos - GBToxBio, Universidade Federal do Pampa - UNIPAMPA, Uruguaiana, Rio Grande do Sul, Brazil
| | - Illana Kemmerich Martins
- Centro Interdisciplinar de Pesquisa em Biotecnologia - CIPBiotec, Universidade Federal do Pampa - UNIPAMPA, São Gabriel, Rio Grande do Sul, Brazil
| | - Luana Paganotto Leandro
- Departamento de Química, Programa de Pós-Graduação em Bioquímica Toxicológica - PPGBTox, Universidade Federal de Santa Maria - UFSM, Santa Maria, Rio Grande do Sul, Brazil
| | - Mauro Eugênio Medina Nunes
- Centro Interdisciplinar de Pesquisa em Biotecnologia - CIPBiotec, Universidade Federal do Pampa - UNIPAMPA, São Gabriel, Rio Grande do Sul, Brazil
| | - Thais Posser
- Centro Interdisciplinar de Pesquisa em Biotecnologia - CIPBiotec, Universidade Federal do Pampa - UNIPAMPA, São Gabriel, Rio Grande do Sul, Brazil
| | - Jeferson Franco
- Centro Interdisciplinar de Pesquisa em Biotecnologia - CIPBiotec, Universidade Federal do Pampa - UNIPAMPA, São Gabriel, Rio Grande do Sul, Brazil
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García-Poyatos C, Arora P, Calvo E, Marques IJ, Kirschke N, Galardi-Castilla M, Lembke C, Meer M, Fernández-Montes P, Ernst A, Haberthür D, Hlushchuk R, Vázquez J, Vermathen P, Enríquez JA, Mercader N. Cox7a1 controls skeletal muscle physiology and heart regeneration through complex IV dimerization. Dev Cell 2024:S1534-5807(24)00237-5. [PMID: 38701784 DOI: 10.1016/j.devcel.2024.04.012] [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: 07/28/2023] [Revised: 01/30/2024] [Accepted: 04/12/2024] [Indexed: 05/05/2024]
Abstract
The oxidative phosphorylation (OXPHOS) system is intricately organized, with respiratory complexes forming super-assembled quaternary structures whose assembly mechanisms and physiological roles remain under investigation. Cox7a2l, also known as Scaf1, facilitates complex III and complex IV (CIII-CIV) super-assembly, enhancing energetic efficiency in various species. We examined the role of Cox7a1, another Cox7a family member, in supercomplex assembly and muscle physiology. Zebrafish lacking Cox7a1 exhibited reduced CIV2 formation, metabolic alterations, and non-pathological muscle performance decline. Additionally, cox7a1-/- hearts displayed a pro-regenerative metabolic profile, impacting cardiac regenerative response. The distinct phenotypic effects of cox7a1-/- and cox7a2l-/- underscore the diverse metabolic and physiological consequences of impaired supercomplex formation, emphasizing the significance of Cox7a1 in muscle maturation within the OXPHOS system.
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Affiliation(s)
- Carolina García-Poyatos
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Centro de Investigación Biomédica en red en Fragilidad y Envejecimiento saludable (CIBERFES), Madrid, Spain
| | - Prateek Arora
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland
| | - Enrique Calvo
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Centro de Investigación Biomédica en red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Ines J Marques
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland
| | - Nick Kirschke
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland
| | | | - Carla Lembke
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland
| | - Marco Meer
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland
| | | | - Alexander Ernst
- Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - David Haberthür
- MicroCT research group, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - Ruslan Hlushchuk
- MicroCT research group, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - Jesús Vázquez
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Centro de Investigación Biomédica en red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Peter Vermathen
- University Institute of Diagnostic and Interventional Neuroradiology, Magnetic Resonance Methodology, University of Bern, Bern, Switzerland
| | - José Antonio Enríquez
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Centro de Investigación Biomédica en red en Fragilidad y Envejecimiento saludable (CIBERFES), Madrid, Spain.
| | - Nadia Mercader
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Department of Developmental Biology and Regeneration, Institute of Anatomy, University of Bern, Bern, Switzerland; Department for Biomedical Research, Cardiovascular Disease Program, University of Bern, Bern, Switzerland.
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8
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Zhao Y, Wang X, He M, Zeng G, Xu Z, Zhang L, Kang Y, Xue P. Vacancy-Rich Bismuth-Based Nanosheets for Mitochondrial Destruction via CO Poisoning, Ca 2+ Dyshomeostasis, and Oxidative Damage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307404. [PMID: 38054772 DOI: 10.1002/smll.202307404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/02/2023] [Indexed: 12/07/2023]
Abstract
Mitochondria are core regulators of tumor cell homeostasis, and their damage has become an arresting therapeutic modality against cancer. Despite the development of many mitochondrial-targeted pharmaceutical agents, the exploration of more powerful and multifunctional medications is still underway. Herein, oxygen vacancy-rich BiO2-x wrapped with CaCO3 (named BiO2-x@CaCO3/PEG, BCP) is developed for full-fledged attack on mitochondrial function. After endocytosis of BCP by tumor cells, the CaCO3 shell can be decomposed in the acidic lysosomal compartment, leading to immediate Ca2+ release and CO2 production in the cytoplasm. Near-infrared irradiation enhances the adsorption of CO2 onto BiO2-x defects, which enables highly efficient photocatalysis of CO2-to-CO. Meanwhile, such BiO2-x nanosheets possess catalase-, peroxidase- and oxidase-like catalytic activities under acidic pH conditions, allowing hypoxia relief and the accumulation of diverse reactive oxygen species (ROS) in the tumor microenvironment. Ca2+ overload-induced ion dyshomeostasis, CO-mediated respiratory chain poisoning, ROS-triggered oxidative stress aggravation, and cytosolic hyperoxia can cause severe mitochondrial disorders, which further lead to type I cell death in carcinoma. Not only does BCP cause irreversible apoptosis, but immunogenic cell death is simultaneously triggered to activate antitumor immunity for metastasis inhibition. Collectively, this platform promises high benefits in malignant tumor therapy and may expand the medical applications of bismuth-based nanoagents.
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Affiliation(s)
- Yinmin Zhao
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
| | - Xiaoqin Wang
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
| | - Mengting He
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
| | - Guicheng Zeng
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
| | - Zhigang Xu
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
| | - Lei Zhang
- State Key Laboratory of Resource Insects, Southwest University, Chongqing, 400715, China
| | - Yuejun Kang
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
- Yibin Academy of Southwest University, Yibin, 644000, China
| | - Peng Xue
- School of Materials and Energy, Southwest University, Chongqing, 400715, China
- Yibin Academy of Southwest University, Yibin, 644000, China
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9
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Pang Y, Hu H, Xu K, Cao T, Wang Z, Nie J, Zheng H, Luo H, Wang F, Xiong C, Deng KY, Xin HB, Zhang X. CD38 Deficiency Protects Mouse Retinal Ganglion Cells Through Activating the NAD+/Sirt1 Pathway in Ischemia-Reperfusion and Optic Nerve Crush Models. Invest Ophthalmol Vis Sci 2024; 65:36. [PMID: 38776115 PMCID: PMC11127494 DOI: 10.1167/iovs.65.5.36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 05/05/2024] [Indexed: 05/27/2024] Open
Abstract
Purpose The purpose of this study was to investigate the protective effect of CD38 deletion on retinal ganglion cells (RGCs) in a mouse retinal ischemia/reperfusion (I/R) model and an optic nerve crush (ONC) model, and to elucidate the underlying molecular mechanisms. Methods Retinal I/R and ONC models were constructed in mice. PCR was used to identify the deletion of CD38 gene in mice, hematoxylin and eosin (H&E) staining was used to evaluate the changes in retinal morphology, and electroretinogram (ERG) was used to evaluate the changes in retinal function. The survival of RGCs and activation of retinal macroglia were evaluated by immunofluorescence staining. The expression of Sirt1, CD38, Ac-p65, Ac-p53, TNF-α, IL-1β, and Caspase3 proteins in the retina was further evaluated by protein imprinting. Results In retinal I/R and ONC models, CD38 deficiency reduced the loss of RGCs and activation of macroglia and protected the retinal function. CD38 deficiency increased the concentration of NAD+, reduced the degree of acetylation of NF-κB p65 and p53, and reduced expression of the downstream inflammatory cytokines TNFα, IL-1β, and apoptotic protein Caspase3 in the retina in the ONC model. Intraperitoneal injection of the Sirt1 inhibitor EX-527 partially counteracted the effects of CD38 deficiency, suggesting that CD38 deficiency acts at least in part through the NAD+/Sirt1 pathway. Conclusions CD38 plays an important role in the pathogenesis of retinal I/R and ONC injury. CD38 deletion protects RGCs by attenuating inflammatory responses and apoptosis through the NAD+/Sirt1 pathway.
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Affiliation(s)
- Yulian Pang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Haijian Hu
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Ke Xu
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Ting Cao
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
- Department of Orthopaedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
- Medical School of Chinese PLA, Beijing, China
| | - Zhiruo Wang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
- Department of Ophthalmology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Jiahe Nie
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Haina Zheng
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Hongdou Luo
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Feifei Wang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Chan Xiong
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
| | - Ke-Yu Deng
- Institute of Translational Medicine, Nanchang University, Nanchang, China
| | - Hong-Bo Xin
- Institute of Translational Medicine, Nanchang University, Nanchang, China
| | - Xu Zhang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Jiangxi Research Institute of Ophthalmology and Visual Science, Jiangxi Provincial Key Laboratory for Ophthalmology, Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, China
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10
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Liu J, Xie Y, Ma J, Chu H. New Ca 2+ based anticancer nanomaterials trigger multiple cell death targeting Ca 2+ homeostasis for cancer therapy. Chem Biol Interact 2024; 393:110948. [PMID: 38479714 DOI: 10.1016/j.cbi.2024.110948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/20/2023] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
Calcium ion (Ca2+) is a necessary element for human and Ca2+ homeostasis plays important roles in various cellular process and functions. Recent reaches have targeted on inducing Ca2+ overload (both intracellular and transcellular) for tumor therapy. With the development of nanotechnology, nanoplatform-mediated Ca2+ overload has been safe theranostic model for cancer therapy, and defined a special calcium overload-induced tumor cell death as "calcicoptosis". However, the underlying mechanism of calcicoptosis in cancer cells remains further identification. In this review, we summarized multiple cell death types due to Ca2+ overload that induced by novel anticancer nanomaterials in tumor cells, including apoptosis, autophagy, pyroptosis, and ferroptosis. We reviewed the roles of these anticancer nanomaterials on Ca2+ homeostasis, including transcellular Ca2+ influx and efflux, and intracellular Ca2+ change in the cytosolic and organelles, and connection of Ca2+ overload with other metal ions. This review provides the knowledge of these nano-anticancer materials-triggered calcicoptosis accompanied with multiple cell death by regulating Ca2+ homeostasis, which could not only enhance their efficiency and specificity, but also enlighten to design new cancer therapeutic strategies and biomedical applications.
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Affiliation(s)
- Junjie Liu
- Department of Urology, Yixing Hospital of Traditional Chinese Medicine, Yixing, Jiangsu, 214200, China
| | - Yimin Xie
- Department of Urology, Affiliated Hospital of Jiangsu University-Yixing Hospital, Yixing, Jiangsu, 214200, China
| | - Jun Ma
- Department of Urology, Yixing Hospital of Traditional Chinese Medicine, Yixing, Jiangsu, 214200, China
| | - Hezhen Chu
- Department of Urology, Yixing Hospital of Traditional Chinese Medicine, Yixing, Jiangsu, 214200, China.
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11
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Li F, Guan Z, Gao Y, Bai Y, Zhan X, Ji X, Xu J, Zhou H, Rao Z. ER stress promotes mitochondrial calcium overload and activates the ROS/NLRP3 axis to mediate fatty liver ischemic injury. Hepatol Commun 2024; 8:e0399. [PMID: 38497930 PMCID: PMC10948136 DOI: 10.1097/hc9.0000000000000399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/04/2024] [Indexed: 03/19/2024] Open
Abstract
BACKGROUND Fatty livers are widely accepted as marginal donors for liver transplantation but are more susceptible to liver ischemia and reperfusion (IR) injury. Increased macrophage-related inflammation plays an important role in the aggravation of fatty liver IR injury. Here, we investigate the precise mechanism by which endoplasmic reticulum (ER) stress activates macrophage NOD-like receptor thermal protein domain-associated protein 3 (NLRP3) signaling by regulating mitochondrial calcium overload in fatty liver IR. METHODS Control- and high-fat diet-fed mice were subjected to a partial liver IR model. The ER stress, mitochondrial calcium levels, and NLRP3 signaling pathway in macrophages were analyzed. RESULTS Liver steatosis exacerbated liver inflammation and IR injury and enhanced NLRP3 activation in macrophages. Myeloid NLRP3 deficiency attenuated intrahepatic inflammation and fatty liver injury following IR. Mechanistically, increased ER stress and mitochondrial calcium overload were observed in macrophages obtained from mouse fatty livers after IR. Suppression of ER stress by tauroursodeoxycholic acid effectively downregulated mitochondrial calcium accumulation and suppressed NLRP3 activation in macrophages, leading to decreased inflammatory IR injury in fatty livers. Moreover, Xestospongin-C-mediated inhibition of mitochondrial calcium influx decreased reactive oxygen species (ROS) expression in macrophages after IR. Scavenging of mitochondrial ROS by mito-TEMPO suppressed macrophage NLRP3 activation and IR injury in fatty livers, indicating that excessive mitochondrial ROS production was responsible for macrophage NLRP3 activation induced by mitochondrial calcium overload. Patients with fatty liver also exhibited upregulated activation of NLRP3 and the ER stress signaling pathway after IR. CONCLUSIONS Our findings suggest that ER stress promotes mitochondrial calcium overload to activate ROS/NLRP3 signaling pathways within macrophages during IR-stimulated inflammatory responses associated with fatty livers.
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Affiliation(s)
- Fei Li
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhu Guan
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yiyun Gao
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University; Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences; NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing Medical University, Nanjing, China
| | - Yan Bai
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xinyu Zhan
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University; Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences; NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing Medical University, Nanjing, China
| | - Xingyue Ji
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jian Xu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University; Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences; NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing Medical University, Nanjing, China
| | - Haoming Zhou
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University; Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences; NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing Medical University, Nanjing, China
| | - Zhuqing Rao
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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12
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Yang W, Wang Y, Liu L, Liu L, Li S, Li Y. Protective Effect of Vitamin K2 (MK-7) on Acute Lung Injury Induced by Lipopolysaccharide in Mice. Curr Issues Mol Biol 2024; 46:1700-1712. [PMID: 38534726 DOI: 10.3390/cimb46030110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/28/2024] Open
Abstract
Vitamin K2 (MK-7) has been shown to cause significant changes in different physiological processes and diseases, but its role in acute lung injury (ALI) is unclear. Therefore, in this study, we aimed to evaluate the protective effects of VK2 against LPS-induced ALI in mice. The male C57BL/6J mice were randomly divided into six groups (n = 7): the control group, LPS group, negative control group (LPS + Oil), positive control group (LPS + DEX), LPS + VK2 (L) group (VK2, 1.5 mg/kg), and LPS + VK2 (H) group (VK2, 15 mg/kg). Hematoxylin-eosin (HE) staining of lung tissue was performed. Antioxidant superoxide dismutase (SOD) and total antioxidant capacity (T-AOC) activities, and the Ca2+ level in the lung tissue were measured. The effects of VK2 on inflammation, apoptosis, tight junction (TJ) injury, mitochondrial dysfunction, and autophagy were quantitatively assessed using Western blot analysis. Compared with the LPS group, VK2 improved histopathological changes; alleviated inflammation, apoptosis, and TJ injury; increased antioxidant enzyme activity; reduced Ca2+ overload; regulated mitochondrial function; and inhibited lung autophagy. These results indicate that VK2 could improve tight junction protein loss, inflammation, and cell apoptosis in LPS-induced ALI by inhibiting the mitochondrial dysfunction and excessive autophagy, indicating that VK2 plays a beneficial role in ALI and might be a potential therapeutic strategy.
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Affiliation(s)
- Weidong Yang
- College of Basic Medical Science, Dalian Medical University, Dalian 116041, China
| | - Yulian Wang
- College of Basic Medical Science, Dalian Medical University, Dalian 116041, China
| | - Lulu Liu
- College of Basic Medical Science, Dalian Medical University, Dalian 116041, China
| | - Lihong Liu
- College of Basic Medical Science, Dalian Medical University, Dalian 116041, China
| | - Shuzhuang Li
- College of Basic Medical Science, Dalian Medical University, Dalian 116041, China
| | - Yuyuan Li
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116041, China
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13
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Yu H, Huang Y, Cai Z, Huang K, Yu T, Lan H, Zhang Q, Wu L, Luo H. Tumor Microenvironment-Sensitive Ca 2+ Nanomodulator Combined with the Sonodynamic Process for Enhanced Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8275-8288. [PMID: 38334437 DOI: 10.1021/acsami.3c14865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Tumor therapy presents significant challenges, and conventional treatments exhibit limited therapeutic effectiveness. Imbalance of calcium homeostasis as a key cause of tumor cell death has been extensively studied in tumor therapy. Calcium overload therapy has garnered significant interest as a new cancer treatment strategy. This study involves the synthesis of a transformable nanosonosensitizer with a shell of a calcium ion nanomodulator. The nanosystem is designed to induce mitochondrial dysfunction by combining the calcium ion nanomodulator, nanosonosensitizer, and chemotherapeutic drug. Under ultrasound-activated conditions, CaCO3 dissolves in the tumor microenvironment, causing the nanosonosensitizer to switch from the "off" to the "on" state of ROS generation, exacerbating mitochondrial calcium overload. A two-dimensional Ti3C2/TiO2 heterostructure generates reactive oxygen species (ROS) under ultrasound and exhibits an efficient sonodynamic effect, enhancing calcium overload. Under ultrasound irradiation, Ti3C2/TiO2@CaCO3/KAE causes multilevel damage to mitochondria by combining the effects of rapid Ca2+ release, inhibiting Ca2+ efflux, enhancing tumor inhibition, and converting a "cold" tumor into a "hot" tumor. Therefore, this study proposes a method to effectively combine mitochondrial Ca2+ homeostasis and sonodynamic therapy (SDT) by the preparing pH-sensitive, double-activated, and multifunctional Ti3C2/TiO2-based nanosystems for cancer therapy.
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Affiliation(s)
- Hailing Yu
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Yongquan Huang
- Department of Ultrasound, The Fifth Affiliated Hospital, Sun Yat-sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Zeyu Cai
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Kaichen Huang
- Department of clinical laboratory, The Third People's Hospital of Zhuhai, No.166 of Hezheng Road, Xiangzhou District, Zhuhai, Guangdong 519075, China
| | - Ting Yu
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Huimin Lan
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Qianqian Zhang
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
| | - Lili Wu
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, No.1 of Shida South Road, Limin Economic and Development District, Harbin, Heilongjiang 150500, China
| | - Hui Luo
- Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, No. 52 of Meihuadong Road, Xiangzhou District, Zhuhai, Guangdong 519099, China
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14
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Javadpour P, Abbaszadeh F, Ahmadiani A, Rezaei M, Ghasemi R. Mitochondrial Transportation, Transplantation, and Subsequent Immune Response in Alzheimer's Disease: An Update. Mol Neurobiol 2024:10.1007/s12035-024-04009-7. [PMID: 38368286 DOI: 10.1007/s12035-024-04009-7] [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: 07/13/2023] [Accepted: 01/31/2024] [Indexed: 02/19/2024]
Abstract
Alzheimer's disease (AD) is a devastating neurodegenerative disease characterized by memory impairment and a progressive decline in cognitive function. Mitochondrial dysfunction has been identified as an important contributor to the development of AD, leading to oxidative stress and energy deficits within the brain. While current treatments for AD aim to alleviate symptoms, there is an urgent need to target the underlying mechanisms. The emerging field of mitotherapy, which involves the transplantation of healthy mitochondria into damaged cells, has gained substantial attention and has shown promising results. However, research in the context of AD remains limited, necessitating further investigations. In this review, we summarize the mitochondrial pathways that contribute to the progression of AD. Additionally, we discuss mitochondrial transfer among brain cells and mitotherapy, with a focus on different administration routes, various sources of mitochondria, and potential modifications to enhance transplantation efficacy. Finally, we review the limited available evidence regarding the immune system's response to mitochondrial transplantation in damaged brain regions.
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Affiliation(s)
- Pegah Javadpour
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Abbaszadeh
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolhassan Ahmadiani
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Rezaei
- Department of Toxicology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Rasoul Ghasemi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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15
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Xia R, Sun M, Li Y, Yin J, Liu H, Yang J, Liu J, He Y, Wu B, Yang G, Li J. The pathogenesis and therapeutic strategies of heat stroke-induced myocardial injury. Front Pharmacol 2024; 14:1286556. [PMID: 38259273 PMCID: PMC10800451 DOI: 10.3389/fphar.2023.1286556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Heat stroke (HS) is a febrile illness characterized by an elevation in the core body temperature to over 40°C, accompanied by central nervous system impairment and subsequent multi-organ dysfunction syndrome. In recent years, the mortality rate from HS has been increasing as ambient temperatures continue to rise each year. The cardiovascular system plays an important role in the pathogenesis process of HS, as it functions as one of the key system for thermoregulation and its stability is associated with the severity of HS. Systemic inflammatory response and endothelial cell damage constitute pivotal attributes of HS, other factors such as ferroptosis, disturbances in myocardial metabolism and heat shock protein dysregulation are also involved in the damage to myocardial tissue in HS. In this review, a comprehensively detailed description of the pathogenesis of HS-induced myocardial injury is provided. The current treatment strategies and the promising therapeutic targets for HS are also discussed.
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Affiliation(s)
- Rui Xia
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Meng Sun
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuling Li
- Emergency Department, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jing Yin
- Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Huan Liu
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Jun Yang
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Jing Liu
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Yanyu He
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Bing Wu
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Guixiang Yang
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Jianhua Li
- Department of Critical Care Medicine, Chongqing University Jiangjin Hospital, Chongqing, China
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16
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Zhao X, Dilixiati A, Zhang L, Aihemaiti A, Song Y, Zhao G, Fu X, Wang X, Wusiman A. Mito-TEMPO Improves the Meiosis Resumption and Mitochondrial Function of Vitrified Sheep Oocytes via the Recovery of Respiratory Chain Activity. Animals (Basel) 2024; 14:152. [PMID: 38200883 PMCID: PMC10778259 DOI: 10.3390/ani14010152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/27/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024] Open
Abstract
Vitrification is a crucial method for preserving animal germ cells. Considering the increased oxidative stress and organelle damage incurred, it is still necessary to make the process more efficient for oocytes. As the energy source of oocytes, mitochondria are the most abundant organelle in oocytes and play a crucial role in their maturation. Here, we found that Mito-TEMPO, a mitochondria-targeted antioxidant, could efficaciously improve the oxidative stress injury of vitrified oocytes by recovering mitochondrial function via the mitochondrial respiratory chain. It was observed that Mito-TEMPO not only improves oocyte viability and meiosis but also maintains spindle structure. A subsequent study indicated that Mito-TEMPO effectively rescued mitochondrial dysfunction and attenuated vitrification-induced oxidative stress. Further investigation revealed that Mito-TEMPO regulates vitrified oocytes' intracellular Ca2+ homeostasis and ATP content and provides strong antioxidant properties. Additionally, an analysis of the transcriptome at the single-cell level revealed that the respiratory chain mediates the beneficial effect of Mito-TEMPO on vitrified oocytes. Overall, our findings indicate that supplementing oocytes with Mito-TEMPO is an effective method to shield them from the damage caused by vitrification. In addition, the beneficial effects of Mito-TEMPO on vitrified sheep oocytes could inspire further investigations of the principles underlying oocyte cryobiology in other animals.
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Affiliation(s)
- Xi Zhao
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Airixiati Dilixiati
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Luyao Zhang
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing 100193, China
| | - Aikebaier Aihemaiti
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Yukun Song
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Guodong Zhao
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Xiangwei Fu
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing 100193, China
| | - Xuguang Wang
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Abulizi Wusiman
- Department of Animal Science, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
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17
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Yin J, Cheng L, Hong Y, Li Z, Li C, Ban X, Zhu L, Gu Z. A Comprehensive Review of the Effects of Glycemic Carbohydrates on the Neurocognitive Functions Based on Gut Microenvironment Regulation and Glycemic Fluctuation Control. Nutrients 2023; 15:5080. [PMID: 38140339 PMCID: PMC10745758 DOI: 10.3390/nu15245080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/05/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Improper glycemic carbohydrates (GCs) consumption can be a potential risk factor for metabolic diseases such as obesity and diabetes, which may lead to cognitive impairment. Although several potential mechanisms have been studied, the biological relationship between carbohydrate consumption and neurocognitive impairment is still uncertain. In this review, the main effects and mechanisms of GCs' digestive characteristics on cognitive functions are comprehensively elucidated. Additionally, healthier carbohydrate selection, a reliable research model, and future directions are discussed. Individuals in their early and late lives and patients with metabolic diseases are highly susceptible to dietary-induced cognitive impairment. It is well known that gut function is closely related to dietary patterns. Unhealthy carbohydrate diet-induced gut microenvironment disorders negatively impact cognitive functions through the gut-brain axis. Moreover, severe glycemic fluctuations, due to rapidly digestible carbohydrate consumption or metabolic diseases, can impair neurocognitive functions by disrupting glucose metabolism, dysregulating calcium homeostasis, oxidative stress, inflammatory responses, and accumulating advanced glycation end products. Unstable glycemic status can lead to more severe neurological impairment than persistent hyperglycemia. Slow-digested or resistant carbohydrates might contribute to better neurocognitive functions due to stable glycemic response and healthier gut functions than fully gelatinized starch and nutritive sugars.
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Affiliation(s)
- Jian Yin
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
| | - Li Cheng
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Yan Hong
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Zhaofeng Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Caiming Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Xiaofeng Ban
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Ling Zhu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Zhengbiao Gu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
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Meerman JJ, Legler J, Piersma AH, Westerink RHS, Heusinkveld HJ. An adverse outcome pathway for chemical-induced Parkinson's disease: Calcium is key. Neurotoxicology 2023; 99:226-243. [PMID: 37926220 DOI: 10.1016/j.neuro.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
Exposure to pesticides is associated with an increased risk of developing Parkinson's disease (PD). Currently, rodent-based risk assessment studies cannot adequately capture neurodegenerative effects of pesticides due to a lack of human-relevant endpoints targeted at neurodegeneration. Thus, there is a need for improvement of the risk assessment guidelines. Specifically, a mechanistic assessment strategy, based on human physiology and (patho)biology is needed, which can be applied in next generation risk assessment. The Adverse Outcome Pathway (AOP) framework is particularly well-suited to provide the mechanistic basis for such a strategy. Here, we conducted a semi-systematic review in Embase and MEDLINE, focused on neurodegeneration and pesticides, to develop an AOP network for parkinsonian motor symptoms. Articles were labelled and included/excluded using the online platform Sysrev. Only primary articles, written in English, focused on effects of pesticides or PD model compounds in models for the brain were included. A total of 66 articles, out of the 1700 screened, was included. PD symptoms are caused by loss of function and ultimately death of dopaminergic neurons in the substantia nigra (SN). Our literature review highlights that a unique feature of these cells that increases their vulnerability is their reliance on continuous low-level influx of calcium. As such, excess intracellular calcium was identified as a central early Key Event (KE). This KE can lead to death of dopaminergic neurons of the SN, and eventually parkinsonian motor symptoms, via four distinct pathways: 1) activation of calpains, 2) endoplasmic reticulum stress, 3) impairment of protein degradation, and 4) oxidative damage. Several receptors have been identified that may serve as molecular initiating events (MIEs) to trigger one or more of these pathways. The proposed AOP network provides the biological basis that can be used to develop a mechanistic testing strategy that captures neurodegenerative effects of pesticides.
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Affiliation(s)
- Julia J Meerman
- Centre for Health Protection, Dutch National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, the Netherlands; Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Juliette Legler
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Aldert H Piersma
- Centre for Health Protection, Dutch National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, the Netherlands; Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Remco H S Westerink
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Harm J Heusinkveld
- Centre for Health Protection, Dutch National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, the Netherlands.
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19
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Wu J, Yi S, Cao Y, Zu M, Li B, Yang W, Shahbazi MA, Wan Y, Reis RL, Kundu SC, Shi X, Xiao B. Dual-driven nanomotors enable tumor penetration and hypoxia alleviation for calcium overload-photo-immunotherapy against colorectal cancer. Biomaterials 2023; 302:122332. [PMID: 37801790 DOI: 10.1016/j.biomaterials.2023.122332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 09/03/2023] [Accepted: 09/14/2023] [Indexed: 10/08/2023]
Abstract
The treatment efficacies of conventional medications against colorectal cancer (CRC) are restricted by a low penetrative, hypoxic, and immunosuppressive tumor microenvironment. To address these restrictions, we developed an innovative antitumor platform that employs calcium overload-phototherapy using mitochondrial N770-conjugated mesoporous silica nanoparticles loaded with CaO2 (CaO2-N770@MSNs). A loading level of 14.0 wt% for CaO2-N770@MSNs was measured, constituting an adequate therapeutic dosage. With the combination of oxygen generated from CaO2 and hyperthermia under near-infrared irradiation, CaO2-N770@MSNs penetrated through the dense mucus, accumulated in the colorectal tumor tissues, and inhibited tumor cell growth through endoplasmic reticulum stress and mitochondrial damage. The combination of calcium overload and phototherapy revealed high therapeutic efficacy against orthotopic colorectal tumors, alleviated the immunosuppressive microenvironment, elevated the abundance of beneficial microorganisms (e.g., Lactobacillaceae and Lachnospiraceae), and decreased harmful microorganisms (e.g., Bacteroidaceae and Muribaculaceae). Moreover, together with immune checkpoint blocker (αPD-L1), these nanoparticles showed an ability to eradicate both orthotopic and distant tumors, while potentiating systemic antitumor immunity. This treatment platform (CaO2-N770@MSNs plus αPD-L1) open a new horizon of synergistic treatment against hypoxic CRC with high killing power and safety.
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Affiliation(s)
- Jiaxue Wu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Shixiong Yi
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Yingui Cao
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Menghang Zu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Baoyi Li
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Wenjing Yang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Mohammad-Ali Shahbazi
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, Netherlands; W.J. Kolff Institute for Biomedical Engineering and Materials Science, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, Netherlands
| | - Ying Wan
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Rui L Reis
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, 4805-017, Guimaraes, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Subhas C Kundu
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, 4805-017, Guimaraes, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Xiaoxiao Shi
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China.
| | - Bo Xiao
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China.
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20
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Jeyamogan S, Leventhal JR, Mathew JM, Zhang ZJ. CD4 +CD25 +FOXP3 + regulatory T cells: a potential "armor" to shield "transplanted allografts" in the war against ischemia reperfusion injury. Front Immunol 2023; 14:1270300. [PMID: 37868962 PMCID: PMC10587564 DOI: 10.3389/fimmu.2023.1270300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/25/2023] [Indexed: 10/24/2023] Open
Abstract
Despite the advances in therapeutic interventions, solid organ transplantation (SOT) remains the "gold standard" treatment for patients with end-stage organ failure. Recently, vascularized composite allotransplantation (VCA) has reemerged as a feasible treatment option for patients with complex composite tissue defects. In both SOT and VCA, ischemia reperfusion injury (IRI) is inevitable and is a predominant factor that can adversely affect transplant outcome by potentiating early graft dysfunction and/or graft rejection. Restoration of oxygenated blood supply to an organ which was previously hypoxic or ischemic for a period of time triggers cellular oxidative stress, production of both, pro-inflammatory cytokines and chemokines, infiltration of innate immune cells and amplifies adaptive alloimmune responses in the affected allograft. Currently, Food and Drug Administration (FDA) approved drugs for the treatment of IRI are unavailable, therefore an efficacious therapeutic modality to prevent, reduce and/or alleviate allograft damages caused by IRI induced inflammation is warranted to achieve the best-possible transplant outcome among recipients. The tolerogenic capacity of CD4+CD25+FOXP3+ regulatory T cells (Tregs), have been extensively studied in the context of transplant rejection, autoimmunity, and cancer. It was not until recently that Tregs have been recognized as a potential cell therapeutic candidate to be exploited for the prevention and/or treatment of IRI, owing to their immunomodulatory potential. Tregs can mitigate cellular oxidative stress, produce anti-inflammatory cytokines, promote wound healing, and tissue repair and prevent the infiltration of pro-inflammatory immune cells in injured tissues. By using strategic approaches to increase the number of Tregs and to promote targeted delivery, the outcome of SOT and VCA can be improved. This review focuses on two sections: (a) the therapeutic potential of Tregs in preventing and mitigating IRI in the context of SOT and VCA and (b) novel strategies on how Tregs could be utilized for the prevention and/or treatment of IRI.
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Affiliation(s)
- Shareni Jeyamogan
- Department of Surgery, Comprehensive Transplant Center Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Joseph R. Leventhal
- Department of Surgery, Comprehensive Transplant Center Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Simpson Querrey Institute for BioNanotechnology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - James M. Mathew
- Department of Surgery, Comprehensive Transplant Center Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Simpson Querrey Institute for BioNanotechnology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Zheng Jenny Zhang
- Department of Surgery, Comprehensive Transplant Center Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Simpson Querrey Institute for BioNanotechnology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Microsurgery and Pre-Clinical Research Core, Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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21
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Li Z, Fan X, Fan J, Zhang W, Liu J, Liu B, Zhang H. Delivering drugs to tubular cells and organelles: the application of nanodrugs in acute kidney injury. Nanomedicine (Lond) 2023; 18:1477-1493. [PMID: 37721160 DOI: 10.2217/nnm-2023-0200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023] Open
Abstract
Acute kidney injury (AKI) is a common clinical syndrome with limited treatment options and high mortality rates. Proximal tubular epithelial cells (PTECs) play a key role in AKI progression. Subcellular dysfunctions, including mitochondrial, nuclear, endoplasmic reticulum and lysosomal dysfunctions, are extensively studied in PTECs. These studies have led to the development of potential therapeutic drugs. However, clinical development of those drugs faces challenges such as low solubility, short circulation time and severe systemic side effects. Nanotechnology provides a promising solution by improving drug properties through nanocrystallization and enabling targeted delivery to specific sites. This review summarizes advancements and limitations of nanoparticle-based drug-delivery systems in targeting PTECs and subcellular organelles, particularly mitochondria, for AKI treatment.
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Affiliation(s)
- Zhi Li
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Xiao Fan
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jialong Fan
- College of Biology, Hunan University, Changsha, 410082, China
| | - Wei Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jun Liu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Bin Liu
- College of Biology, Hunan University, Changsha, 410082, China
- Department of Physiology & Pathophysiology, NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China
| | - Hao Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
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Xiao L, Chen XJ, Feng JK, Li WN, Yuan S, Hu Y. Natural products as the calcium channel blockers for the treatment of arrhythmia: Advance and prospect. Fitoterapia 2023; 169:105600. [PMID: 37419421 DOI: 10.1016/j.fitote.2023.105600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
Arrhythmia is one of the commonly heart diseases with observed abnormal heart-beat rhythm that caused by the obstacles of cardiac activity and conduction. The arrhythmic pathogenesis is complex and capricious and related with other cardiovascular diseases that may lead to heart failure and sudden death. In particular, calcium overload is recognized as the main reason causing arrhythmia through inducing apoptosis in cardiomyocytes. Moreover, calcium channel blockers have been widely used as the routine drugs for the treatment of arrhythmia, but the different arrhythmic complications and adverse effects limit their further applications and demand new drug discovery. Natural products have always been the rich minerals for the development of new drugs that could be employed as the versatile player for the discovery of safe and effective anti-arrhythmia drugs with new mechanisms. In this review, we summarized natural products with the activity against calcium signaling and the relevant mechanism of actions. We are expected to provide an inspiration for the pharmaceutical chemists to develop more potent calcium channel blockers for the treatment of arrhythmia.
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Affiliation(s)
- Lu Xiao
- China Academy of Chinese Medical Sciences Guang'anmen Hospital, Beijing 100053, China
| | - Xing-Juan Chen
- China Academy of Chinese Medical Sciences Guang'anmen Hospital, Beijing 100053, China
| | | | - Wei-Na Li
- China Academy of Chinese Medical Sciences Guang'anmen Hospital, Beijing 100053, China
| | - Shuo Yuan
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China.
| | - Ying Hu
- China Academy of Chinese Medical Sciences Guang'anmen Hospital, Beijing 100053, China; Beijing University of Chinese Medicine, Beijing 100029, China.
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23
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Popov LD. Mitochondria as intracellular signalling organelles. An update. Cell Signal 2023:110794. [PMID: 37422005 DOI: 10.1016/j.cellsig.2023.110794] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/23/2023] [Accepted: 07/02/2023] [Indexed: 07/10/2023]
Abstract
Traditionally, mitochondria are known as "the powerhouse of the cell," responsible for energy (ATP) generation (by the electron transport chain, oxidative phosphorylation, the tricarboxylic acid cycle, and fatty acid ß-oxidation), and for the regulation of several metabolic processes, including redox homeostasis, calcium signalling, and cellular apoptosis. The extensive studies conducted in the last decades portray mitochondria as multifaceted signalling organelles that ultimately command cells' survival or death. Based on current knowledge, we'll outline the mitochondrial signalling to other intracellular compartments in homeostasis and pathology-related mitochondrial stress conditions here. The following topics are discussed: (i) oxidative stress and mtROS signalling in mitohormesis, (ii) mitochondrial Ca2+ signalling; (iii) the anterograde (nucleus-to-mitochondria) and retrograde (mitochondria-to-nucleus) signal transduction, (iv) the mtDNA role in immunity and inflammation, (v) the induction of mitophagy- and apoptosis - signalling cascades, (vi) the mitochondrial dysfunctions (mitochondriopathies) in cardiovascular, neurodegenerative, and malignant diseases. The novel insights into molecular mechanisms of mitochondria-mediated signalling can explain mitochondria adaptation to metabolic and environmental stresses to achieve cell survival.
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Affiliation(s)
- Lucia-Doina Popov
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 8, B.P. Hasdeu Street, 050568 Bucharest, Romania.
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24
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Overmeyer C, Jorgensen K, Vohra BPS. The Translocase of the Outer Mitochondrial Membrane (TOM40) is required for mitochondrial dynamics and neuronal integrity in Dorsal Root Ganglion Neurons. Mol Cell Neurosci 2023; 125:103853. [PMID: 37100265 DOI: 10.1016/j.mcn.2023.103853] [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: 02/28/2023] [Revised: 04/04/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023] Open
Abstract
Polymorphisms and altered expression of the Translocase of the Outer Mitochondrial Membrane - 40 kD (Tom40) are observed in neurodegenerative disease subjects. We utilized in vitro cultured dorsal root ganglion (DRG) neurons to investigate the association of TOM40 depletion to neurodegeneration, and to unravel the mechanism of neurodegeneration induced by decreased levels of TOM40 protein. We provide evidence that severity of neurodegeneration induced in the TOM40 depleted neurons increases with the increase in the depletion of TOM40 and is exacerbated by an increase in the duration of TOM40 depletion. We also demonstrate that TOM40 depletion causes a surge in neuronal calcium levels, decreases mitochondrial motility, increases mitochondrial fission, and decreases neuronal ATP levels. We observed that alterations in the neuronal calcium homeostasis and mitochondrial dynamics precede BCL-xl and NMNAT1 dependent neurodegenerative pathways in the TOM40 depleted neurons. This data also suggests that manipulation of BCL-xl and NMNAT1 may be of therapeutic value in TOM40 associated neurodegenerative disorders.
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Affiliation(s)
| | - Kylie Jorgensen
- Department of Biology, William Jewell College Liberty, MO 64068
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