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Miao Y, Zhang S, Liang Z, Wang Y, Tian D, Jin S, Guo Q, Xue H, Teng X, Xiao L, Wu Y. Hydrogen sulfide ameliorates endothelial dysfunction in aging arteries by regulating ferroptosis. Nitric Oxide 2023; 140-141:77-90. [PMID: 37875241 DOI: 10.1016/j.niox.2023.10.002] [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: 08/28/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 10/26/2023]
Abstract
Aging causes vascular endothelial dysfunction. We aimed to investigate the causes of vascular endothelial dysfunction during aging using plasma and renal arteries from patients who underwent nephrectomy and animal models. The results showed that the endogenous H2S-producing enzyme cystathione-γ-lyase (CSE) protein expression was downregulated in renal artery tissue, plasma H2S levels were reduced. Moreover, elevated lipid peroxidation and iron accumulation levels led to ferroptosis and endothelial diastolic function in the renal arteries was impaired in the elderly group. H2S enhanced the endogenous CSE expression in the elderly group, promoted endogenous H2S production, decreased lipid peroxide expression, and inhibited ferroptosis, which in turn improved vascular endothelial function in the elderly group. In animal models, we also observed the same results. In addition, we applied NaHS, Ferrostatin-1 (ferroptosis inhibitor) and erastin (ferroptosis inducer) to incubate renal arteries of SD rats. The results showed that NaHS enhanced ferroptosis related proteins expression, inhibited ferroptosis and improved vascular endothelial function. We demonstrated that endothelial dysfunction associated with aging is closely related to reduced endogenous H2S levels and ferroptosis in vascular endothelial cells. Notably, H2S reduced lipid peroxidation levels in vascular endothelial cells, inhibited ferroptosis in vascular endothelial cells, and improved endothelial dysfunction.
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Affiliation(s)
- Yuxin Miao
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Shuangshuang Zhang
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Zihui Liang
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Yang Wang
- Department of Hepatobiliary Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China
| | - Danyang Tian
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Sheng Jin
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Qi Guo
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Hongmei Xue
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Xu Teng
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China
| | - Lin Xiao
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China.
| | - Yuming Wu
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, 050017, China; Experimental Center for Teaching, Hebei Medical University, Shijiazhuang, 050017, China; Key Laboratory of Vascular Medicine of Hebei Province, Shijiazhuang, 050017, China.
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Jassey A, Logue J, Weston S, Wagner MA, Galitska G, Miller K, Frieman M, Jackson WT. SIRT-1 is required for release of enveloped enteroviruses. eLife 2023; 12:RP87993. [PMID: 37850626 PMCID: PMC10584371 DOI: 10.7554/elife.87993] [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: 10/19/2023] Open
Abstract
Enterovirus D68 (EV-D68) is a re-emerging enterovirus that causes acute respiratory illness in infants and has recently been linked to Acute Flaccid Myelitis. Here, we show that the histone deacetylase, SIRT-1, is essential for autophagy and EV-D68 infection. Knockdown of SIRT-1 inhibits autophagy and reduces EV-D68 extracellular titers. The proviral activity of SIRT-1 does not require its deacetylase activity or functional autophagy. SIRT-1's proviral activity is, we demonstrate, mediated through the repression of endoplasmic reticulum stress (ER stress). Inducing ER stress through thapsigargin treatment or SERCA2A knockdown in SIRT-1 knockdown cells had no additional effect on EV-D68 extracellular titers. Knockdown of SIRT-1 also decreases poliovirus and SARS-CoV-2 titers but not coxsackievirus B3. In non-lytic conditions, EV-D68 is primarily released in an enveloped form, and SIRT-1 is required for this process. Our data show that SIRT-1, through its translocation to the cytosol, is critical to promote the release of enveloped EV-D68 viral particles.
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Affiliation(s)
- Alagie Jassey
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - James Logue
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - Stuart Weston
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - Michael A Wagner
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - Ganna Galitska
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - Katelyn Miller
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - Matthew Frieman
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
| | - William T Jackson
- Department of Microbiology and Immunology and Center for Pathogen Research, University of Maryland, BaltimoreBaltimoreUnited States
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Wang K, Mao W, Song X, Chen M, Feng W, Peng B, Chen Y. Reactive X (where X = O, N, S, C, Cl, Br, and I) species nanomedicine. Chem Soc Rev 2023; 52:6957-7035. [PMID: 37743750 DOI: 10.1039/d2cs00435f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Reactive oxygen, nitrogen, sulfur, carbonyl, chlorine, bromine, and iodine species (RXS, where X = O, N, S, C, Cl, Br, and I) have important roles in various normal physiological processes and act as essential regulators of cell metabolism; their inherent biological activities govern cell signaling, immune balance, and tissue homeostasis. However, an imbalance between RXS production and consumption will induce the occurrence and development of various diseases. Due to the considerable progress of nanomedicine, a variety of nanosystems that can regulate RXS has been rationally designed and engineered for restoring RXS balance to halt the pathological processes of different diseases. The invention of radical-regulating nanomaterials creates the possibility of intriguing projects for disease treatment and promotes advances in nanomedicine. In this comprehensive review, we summarize, discuss, and highlight very-recent advances in RXS-based nanomedicine for versatile disease treatments. This review particularly focuses on the types and pathological effects of these reactive species and explores the biological effects of RXS-based nanomaterials, accompanied by a discussion and the outlook of the challenges faced and future clinical translations of RXS nanomedicines.
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Affiliation(s)
- Keyi Wang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China.
| | - Weipu Mao
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, 210009, P. R. China
| | - Xinran Song
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
| | - Ming Chen
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, 210009, P. R. China
| | - Wei Feng
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
| | - Bo Peng
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China.
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
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Lu W, Wen J. H 2S-RhoA/ROCK Pathway and Glial Cells in Axonal Remyelination After Ischemic Stroke. Mol Neurobiol 2023; 60:5493-5504. [PMID: 37322287 DOI: 10.1007/s12035-023-03422-8] [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: 12/05/2022] [Accepted: 06/03/2023] [Indexed: 06/17/2023]
Abstract
Ischemic stroke is one of the main reasons of disability and death. Stroke-induced functional deficits are mainly due to the secondary degeneration of the white matter characterized by axonal demyelination and injury of axon-glial integrity. Enhancement of the axonal regeneration and remyelination could promote the neural functional recovery. However, cerebral ischemia-induced activation of RhoA/Rho kinase (ROCK) pathway plays a crucial and harmful role in the process of axonal recovery and regeneration. Inhibition of this pathway could promote the axonal regeneration and remyelination. In addition, hydrogen sulfide (H2S) has the significant neuroprotective role during the recovery of ischemic stroke via inhibiting the inflammatory response and oxidative stress, regulating astrocyte function, promoting the differentiation of endogenous oligodendrocyte precursor cells (OPCs) to mature oligodendrocyte. Among all of these effects, promoting the formation of mature oligodendrocyte is a crucial part of axonal regeneration and remyelination. Furthermore, numerous studies have uncovered the crosstalk between astrocytes and oligodendrocyte, microglial cells and oligodendrocyte in the axonal remyelination following ischemic stroke. The purpose of this review was to discuss the relationship among H2S, RhoA/ROCK pathway, astrocytes, and microglial cells in the axonal remyelination following ischemic stroke to reveal new strategies for preventing and treating this devastating disease.
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Affiliation(s)
- Weizhuo Lu
- Medical Branch, Hefei Technology College, Hefei, China
| | - Jiyue Wen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China.
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Majumder A. Targeting Homocysteine and Hydrogen Sulfide Balance as Future Therapeutics in Cancer Treatment. Antioxidants (Basel) 2023; 12:1520. [PMID: 37627515 PMCID: PMC10451792 DOI: 10.3390/antiox12081520] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023] Open
Abstract
A high level of homocysteine (Hcy) is associated with oxidative/ER stress, apoptosis, and impairment of angiogenesis, whereas hydrogen sulfide (H2S) has been found to reverse this condition. Recent studies have shown that cancer cells need to produce a high level of endogenous H2S to maintain cell proliferation, growth, viability, and migration. However, any novel mechanism that targets this balance of Hcy and H2S production has yet to be discovered or exploited. Cells require homocysteine metabolism via the methionine cycle for nucleotide synthesis, methylation, and reductive metabolism, and this pathway supports the high proliferative rate of cancer cells. Although the methionine cycle favors cancer cells for their survival and growth, this metabolism produces a massive amount of toxic Hcy that somehow cancer cells handle very well. Recently, research showed specific pathways important for balancing the antioxidative defense through H2S production in cancer cells. This review discusses the relationship between Hcy metabolism and the antiapoptotic, antioxidative, anti-inflammatory, and angiogenic effects of H2S in different cancer types. It also summarizes the historical understanding of targeting antioxidative defense systems, angiogenesis, and other protective mechanisms of cancer cells and the role of H2S production in the genesis, progression, and metastasis of cancer. This review defines a nexus of diet and precision medicine in targeting the delicate antioxidative system of cancer and explores possible future therapeutics that could exploit the Hcy and H2S balance.
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Affiliation(s)
- Avisek Majumder
- Department of Medicine, University of California, San Francisco, CA 94143, USA
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Alsaeedi A, Welham S, Rose P, Zhu YZ. The Impact of Drugs on Hydrogen Sulfide Homeostasis in Mammals. Antioxidants (Basel) 2023; 12:antiox12040908. [PMID: 37107283 PMCID: PMC10135325 DOI: 10.3390/antiox12040908] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/04/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Mammalian cells and tissues have the capacity to generate hydrogen sulfide gas (H2S) via catabolic routes involving cysteine metabolism. H2S acts on cell signaling cascades that are necessary in many biochemical and physiological roles important in the heart, brain, liver, kidney, urogenital tract, and cardiovascular and immune systems of mammals. Diminished levels of this molecule are observed in several pathophysiological conditions including heart disease, diabetes, obesity, and immune function. Interestingly, in the last two decades, it has become apparent that some commonly prescribed pharmacological drugs can impact the expression and activities of enzymes responsible for hydrogen sulfide production in cells and tissues. Therefore, the current review provides an overview of the studies that catalogue key drugs and their impact on hydrogen sulfide production in mammals.
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Affiliation(s)
- Asrar Alsaeedi
- School of Biosciences, University of Nottingham, Loughborough, Leicestershire LE12 5RD, UK
| | - Simon Welham
- School of Biosciences, University of Nottingham, Loughborough, Leicestershire LE12 5RD, UK
| | - Peter Rose
- School of Biosciences, University of Nottingham, Loughborough, Leicestershire LE12 5RD, UK
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau, China
| | - Yi-Zhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau, China
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Aschner M, Skalny AV, Ke T, da Rocha JBT, Paoliello MMB, Santamaria A, Bornhorst J, Rongzhu L, Svistunov AA, Djordevic AB, Tinkov AA. Hydrogen Sulfide (H 2S) Signaling as a Protective Mechanism against Endogenous and Exogenous Neurotoxicants. Curr Neuropharmacol 2022; 20:1908-1924. [PMID: 35236265 PMCID: PMC9886801 DOI: 10.2174/1570159x20666220302101854] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/10/2022] [Accepted: 02/27/2022] [Indexed: 11/22/2022] Open
Abstract
In view of the significant role of H2S in brain functioning, it is proposed that H2S may also possess protective effects against adverse effects of neurotoxicants. Therefore, the objective of the present review is to discuss the neuroprotective effects of H2S against toxicity of a wide spectrum of endogenous and exogenous agents involved in the pathogenesis of neurological diseases as etiological factors or key players in disease pathogenesis. Generally, the existing data demonstrate that H2S possesses neuroprotective effects upon exposure to endogenous (amyloid β, glucose, and advanced-glycation end-products, homocysteine, lipopolysaccharide, and ammonia) and exogenous (alcohol, formaldehyde, acrylonitrile, metals, 6-hydroxydopamine, as well as 1-methyl-4-phenyl- 1,2,3,6- tetrahydropyridine (MPTP) and its metabolite 1-methyl-4-phenyl pyridine ion (MPP)) neurotoxicants. On the one hand, neuroprotective effects are mediated by S-sulfhydration of key regulators of antioxidant (Sirt1, Nrf2) and inflammatory response (NF-κB), resulting in the modulation of the downstream signaling, such as SIRT1/TORC1/CREB/BDNF-TrkB, Nrf2/ARE/HO-1, or other pathways. On the other hand, H2S appears to possess a direct detoxicative effect by binding endogenous (ROS, AGEs, Aβ) and exogenous (MeHg) neurotoxicants, thus reducing their toxicity. Moreover, the alteration of H2S metabolism through the inhibition of H2S-synthetizing enzymes in the brain (CBS, 3-MST) may be considered a significant mechanism of neurotoxicity. Taken together, the existing data indicate that the modulation of cerebral H2S metabolism may be used as a neuroprotective strategy to counteract neurotoxicity of a wide spectrum of endogenous and exogenous neurotoxicants associated with neurodegeneration (Alzheimer's and Parkinson's disease), fetal alcohol syndrome, hepatic encephalopathy, environmental neurotoxicant exposure, etc. In this particular case, modulation of H2S-synthetizing enzymes or the use of H2S-releasing drugs should be considered as the potential tools, although the particular efficiency and safety of such interventions are to be addressed in further studies.
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Affiliation(s)
- Michael Aschner
- Address correspondence to this author at the Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; E-mail
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Gao SL, Tang YY, Jiang JM, Zou W, Zhang P, Tang XQ. Improvement of autophagic flux mediates the protection of hydrogen sulfide against arecoline-elicited neurotoxicity in PC12 cells. Cell Cycle 2022; 21:1077-1090. [PMID: 35316162 PMCID: PMC9037498 DOI: 10.1080/15384101.2022.2040932] [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] [Indexed: 11/03/2022] Open
Abstract
Arecoline, the most abundant alkaloid of the areca nut, induces toxicity to neurons. Hydrogen sulfide (H2S) is an endogenous gas with neuroprotective effects. We recently found that arecoline reduced endogenous H2S content in PC12 cells. In addition, exogenously administration of H2S alleviated the neurotoxicity of arecoline on PC12 cells. Increasing evidence has demonstrated the neuroprotective role of improvement of autophagic flux. Therefore, the aim of the present work is to explore whether improvement of autophagic flux mediates the protection of H2S against arecoline-caused neurotoxicity. Transmission electron microscope (TEM) for observation of ultrastructural morphology. Western blotting was used to detect protein expression of the related markers. Functional analysis contained LDH release assay, Hoechst 33,258 nuclear staining and flow cytometry were used to detect cytotoxicity and apoptosis. In the present work, we found that arecoline disrupted autophagy flux in PC12 cells as evidenced by accumulation of autophagic vacuoles, increase in LC3II/LC3I, and upregulation of p62 expression in PC12 cells. Notably, we found that sodium hydrosulfide (NaHS), the donor of H2S improved arecoline-blocked autophagy flux in PC12 cells. Furthermore, we found that blocking autophagic flux by chloroquine (CQ), the inhibitor of autophagy flux, antagonized the inhibitory role of NaHS in arecoline-induced cytotoxicity apoptosis and endoplasmic reticulum (ER) stress. In conclusion, H2S improves arecoline-caused disruption of autophagic flux to exert its protection against the neurotoxicity of arecoline.
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Affiliation(s)
- Sheng-Lan Gao
- Clinical Research Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, GD, China
- Department of Physiology, Institute of Neuroscience, Hengyang Medical School, University of South China, Hengyang, HN, China
- CONTACT Sheng-Lan Gao Clinical Research Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, GD524001, China
| | - Yi-Yun Tang
- Department of Physiology, Institute of Neuroscience, Hengyang Medical School, University of South China, Hengyang, HN, China
| | - Jia-Mei Jiang
- The First Affiliated Hospital, Institute of Neurology, Hengyang Medical School, University of South China, Hengyang, HN, China
| | - Wei Zou
- The Affiliated Nanhua Hospital, Department of Neurology, Hengyang Medical School, University of South China, Hengyang, HN, China
| | - Ping Zhang
- The Affiliated Nanhua Hospital, Department of Neurology, Hengyang Medical School, University of South China, Hengyang, HN, China
| | - Xiao-Qing Tang
- Department of Physiology, Institute of Neuroscience, Hengyang Medical School, University of South China, Hengyang, HN, China
- The First Affiliated Hospital, Institute of Neurology, Hengyang Medical School, University of South China, Hengyang, HN, China
- Xiao-Qing Tang The First Affiliated Hospital, Institute of Neuroscience, Hengyang Medical School, University of South China,Hengyang, HN 421001, China
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Wang P, Cheng X, Xiong J, Mao Z, Liu Z. Revealing Formaldehyde Fluxes in Alzheimer's Disease Brain by an Activity‐based Fluorescence Probe. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Pengzhan Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 China
| | - Xianhua Cheng
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 China
| | - Jianhua Xiong
- College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei 430072 China
| | - Zhiqiang Mao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 China
| | - Zhihong Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 China
- College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei 430072 China
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The Protective Effects of Hydrogen Sulfide New Donor Methyl S-(4-Fluorobenzyl)-N-(3,4,5-Trimethoxybenzoyl)-l-Cysteinate on the Ischemic Stroke. Molecules 2022; 27:molecules27051554. [PMID: 35268655 PMCID: PMC8911759 DOI: 10.3390/molecules27051554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 01/29/2023] Open
Abstract
In this paper, we report the design, synthesis and biological evaluation of a novel S-allyl-l-cysteine (SAC) and gallic acid conjugate S-(4-fluorobenzyl)-N-(3,4,5-trimethoxybenzoyl)-l-cysteinate (MTC). We evaluate the effects on ischemia-reperfusion-induced PC12 cells, primary neurons in neonatal rats, and cerebral ischemic neuronal damage in rats, and the results showed that MTC increased SOD, CAT, GPx activity and decreased LDH release. PI3K and p-AKT protein levels were significantly increased by activating PI3K/AKT pathway. Mitochondrial pro-apoptotic proteins Bax and Bim levels were reduced while anti-apoptotic protein Bcl-2 levels were increased. The levels of cleaved caspase-9 and cleaved caspase-3 were also reduced in the plasma. The endoplasmic reticulum stress (ERS) was decreased, which in turns the survival rate of nerve cells was increased, so that the ischemic injury of neurons was protected accordingly. MTC activated the MEK-ERK signaling pathway and promoted axonal regeneration in primary neurons of the neonatal rat. The pretreatment of MEK-ERK pathway inhibitor PD98059 and PI3K/AKT pathway inhibitor LY294002 partially attenuated the protective effect of MTC. Using a MCAO rat model indicated that MTC could reduce cerebral ischemia-reperfusion injury and decrease the expression of proinflammatory factors. The neuroprotective effect of MTC may be due to inhibition of the over-activation of the TREK-1 channel and reduction of the current density of the TREK1 channel. These results suggested that MTC has a protective effect on neuronal injury induced by ischemia reperfusion, so it may have the potential to become a new type of neuro-ischemic drug candidate.
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Kaziród K, Myszka M, Dulak J, Łoboda A. Hydrogen sulfide as a therapeutic option for the treatment of Duchenne muscular dystrophy and other muscle-related diseases. Cell Mol Life Sci 2022; 79:608. [PMID: 36441348 PMCID: PMC9705465 DOI: 10.1007/s00018-022-04636-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 10/25/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022]
Abstract
Hydrogen sulfide (H2S) has been known for years as a poisoning gas and until recently evoked mostly negative associations. However, the discovery of its gasotransmitter functions suggested its contribution to various physiological and pathological processes. Although H2S has been found to exert cytoprotective effects through modulation of antioxidant, anti-inflammatory, anti-apoptotic, and pro-angiogenic responses in a variety of conditions, its role in the pathophysiology of skeletal muscles has not been broadly elucidated so far. The classical example of muscle-related disorders is Duchenne muscular dystrophy (DMD), the most common and severe type of muscular dystrophy. Mutations in the DMD gene that encodes dystrophin, a cytoskeletal protein that protects muscle fibers from contraction-induced damage, lead to prominent dysfunctions in the structure and functions of the skeletal muscle. However, the main cause of death is associated with cardiorespiratory failure, and DMD remains an incurable disease. Taking into account a wide range of physiological functions of H2S and recent literature data on its possible protective role in DMD, we focused on the description of the 'old' and 'new' functions of H2S, especially in muscle pathophysiology. Although the number of studies showing its essential regulatory action in dystrophic muscles is still limited, we propose that H2S-based therapy has the potential to attenuate the progression of DMD and other muscle-related disorders.
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Affiliation(s)
- Katarzyna Kaziród
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Małgorzata Myszka
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Józef Dulak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Agnieszka Łoboda
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland.
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Hydrogen Sulfide and the Immune System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:99-128. [PMID: 34302690 DOI: 10.1007/978-981-16-0991-6_5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S) is the "third gasotransmitter" recognized alongside nitric oxide (NO) and carbon monoxide (CO). H2S exhibits an array of biological effects in mammalian cells as revealed by studies showing important roles in the cardiovascular system, in cell signalling processes, post-translational modifications and in the immune system. Regarding the latter, using pharmacological and genetic approaches scientists have shown this molecule to have both pro- and anti-inflammatory effects in mammalian systems. The anti-inflammatory effects of H2S appeared to be due to its inhibitory action on the nuclear factor kappa beta signalling pathway; NF-kB representing a transcription factor involved in the regulation pro-inflammatory mediators like nitric oxide, prostaglandins, and cytokines. In contrast, results from several animal model describe a more complicated picture and report on pro-inflammatory effects linked to exposure to this molecule; linked to dosage used and point of administration of this molecule. Overall, roles for H2S in several inflammatory diseases spanning arthritis, atherosclerosis, sepsis, and asthma have been described by researchers. In light this work fascinating research, this chapter will cover H2S biology and its many roles in the immune system.
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Kuschman HP, Palczewski MB, Thomas DD. Nitric oxide and hydrogen sulfide: Sibling rivalry in the family of epigenetic regulators. Free Radic Biol Med 2021; 170:34-43. [PMID: 33482335 DOI: 10.1016/j.freeradbiomed.2021.01.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/16/2020] [Accepted: 01/06/2021] [Indexed: 01/12/2023]
Abstract
Nitric oxide (NO) and hydrogen sulfide (H2S) were previously only known for their toxic properties. Now they are regarded as potent gaseous messenger molecules (gasotransmitters) that rapidly transverse cell membranes and transduce cellular signals through their chemical reactions and modifications to protein targets. Both are known to regulate numerous physiological functions including angiogenesis, vascular tone, and immune response, to name a few. NO and H2S often work synergistically and in competition to regulate each other's synthesis, target protein activity via posttranslational modifications (PTMs), and chemical interactions. In addition to their canonical modes of action, increasing evidence has demonstrated that NO and H2S share another signaling mechanism: epigenetic regulation. This review will compare and contrast biosynthesis and metabolism of NO and H2S, their individual and shared interactions, and the growing body of evidence for their roles as endogenous epigenetic regulatory molecules.
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Affiliation(s)
- Hannah Petraitis Kuschman
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States
| | - Marianne B Palczewski
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States
| | - Douglas D Thomas
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States.
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14
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Iqbal IK, Bajeli S, Sahu S, Bhat SA, Kumar A. Hydrogen sulfide-induced GAPDH sulfhydration disrupts the CCAR2-SIRT1 interaction to initiate autophagy. Autophagy 2021; 17:3511-3529. [PMID: 33459133 DOI: 10.1080/15548627.2021.1876342] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The deacetylase SIRT1 (sirtuin 1) has emerged as a major regulator of nucleocytoplasmic distribution of macroautophagy/autophagy marker MAP1LC3/LC3 (microtubule-associated protein 1 light chain 3). Activation of SIRT1 leads to the deacetylation of LC3 and its translocation from the nucleus into the cytoplasm leading to an increase in the autophagy flux. Notably, hydrogen sulfide (H2S) is a cytoprotective gasotransmitter known to activate SIRT1 and autophagy; however, the underlying mechanism for both remains unknown. Herein, we demonstrate that H2S sulfhydrates the active site cysteine of the glycolytic enzyme GAPDH (glyceraldehyde-3-phosphate dehydrogenase). Sulfhydration of GAPDH leads to its redistribution into the nucleus. Importantly, nuclear localization of GAPDH is critical for H2S-mediated activation of autophagy as H2S does not induce autophagy in cells with GAPDH ablation or cells overexpressing a GAPDH mutant lacking the active site cysteine. Importantly, we observed that nuclear GAPDH interacts with CCAR2/DBC1 (cell cycle activator a nd apoptosis regulator 2) inside the nucleus. CCAR2 interacts with the deacetylase SIRT1 to inhibit its activity. Interaction of GAPDH with CCAR2 disrupts the inhibitory effect of CCAR2 on SIRT1. Activated SIRT1 then deacetylates MAP1LC3B/LC3B (microtubule-associated protein 1 light chain 3 beta) to induce its translocation into the cytoplasm and activate autophagy. Additionally, we demonstrate this pathway's physiological role in autophagy-mediated trafficking of Mycobacterium tuberculosis into lysosomes to restrict intracellular mycobacteria growth. We think that the pathway described here could be involved in H2S-mediated clearance of intracellular pathogens and other health benefits.Abbreviations: ATG5: autophagy related 5; ATG7: autophagy related 7; BECN1: beclin 1, autophagy related; CCAR2/DBC1: cell cycle activator and apoptosis regulator 2; CFU: colony-forming units; DLG4/PSD95: discs large MAGUK scaffold protein 4; EX-527: 6-chloro-2,3,4,9-tetrahydro-1H-carbazole-1-carboxamide; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; H2S: hydrogen sulfide; HEK: human embryonic kidney cells; MAP1LC3B/LC3B: microtubule-associated protein 1 light chain 3 beta; MEF: mouse embryonic fibroblast; Mtb: Mycobacterium tuberculosis; MTOR: mechanistic target of rapamycin kinase; MOI: multiplicity of infection; NO: nitric oxide; PI3K: phosphatidylinositol-4,5-bisphosphate 3-kinase; PLA: proximity ligation assay; PRKAA: protein kinase, AMP-activated, alpha catalytic subunit; SIAH1: siah E3 ubiquitin protein ligase 1A; SIRT1: sirtuin 1; TB: tuberculosis; TP53INP2/DOR: transformation related protein 53 inducible nuclear protein 2; TRP53/TP53: transformation related protein 53.
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Affiliation(s)
- Iram Khan Iqbal
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India
| | - Sapna Bajeli
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India
| | - Shivani Sahu
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India
| | - Shabir Ahmad Bhat
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India
| | - Ashwani Kumar
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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15
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Gonzalez-Rivera JC, Sherman MW, Wang DS, Chuvalo-Abraham JCL, Hildebrandt Ruiz L, Contreras LM. RNA oxidation in chromatin modification and DNA-damage response following exposure to formaldehyde. Sci Rep 2020; 10:16545. [PMID: 33024153 PMCID: PMC7538935 DOI: 10.1038/s41598-020-73376-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/11/2020] [Indexed: 01/18/2023] Open
Abstract
Formaldehyde is an environmental and occupational chemical carcinogen implicated in the damage of proteins and nucleic acids. However, whether formaldehyde provokes modifications of RNAs such as 8-oxo-7,8-dihydroguanine (8-oxoG) and the role that these modifications play on conferring long-term adverse health effects remains unexplored. Here, we profile 8-oxoG modifications using RNA-immunoprecipitation and RNA sequencing (8-oxoG RIP-seq) to identify 343 RNA transcripts heavily enriched in oxidations in human bronchial epithelial BEAS-2B cell cultures exposed to 1 ppm formaldehyde for 2 h. RNA oxidation altered expression of many transcripts involved in chromatin modification and p53-mediated DNA-damage responses, two pathways that play key roles in sustaining genome integrity and typically deregulated in tumorigenesis. Given that these observations were identified in normal cells exhibiting minimal cell stress and death phenotypes (for example, lack of nuclear shrinkage, F-actin alterations or increased LDH activity); we hypothesize that oxidative modification of specific RNA transcripts following formaldehyde exposure denotes an early process occurring in carcinogenesis analogous to the oxidative events surfacing at early stages of neurodegenerative diseases. As such, we provide initial investigations of RNA oxidation as a potentially novel mechanism underlying formaldehyde-induced tumorigenesis.
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Affiliation(s)
- Juan C Gonzalez-Rivera
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78714, USA
| | - Mark W Sherman
- Department of Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, 78714, USA
| | - Dongyu S Wang
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78714, USA
| | | | - Lea Hildebrandt Ruiz
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78714, USA
| | - Lydia M Contreras
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78714, USA.
- Department of Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, 78714, USA.
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16
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Lv S, Wu N, Wang Q, Yang L. Endogenous hydrogen sulfide alleviates methotrexate‐induced cognitive impairment by attenuating endoplasmic reticulum stress‐induced apoptosis via CHOP and caspase‐12. Fundam Clin Pharmacol 2020; 34:559-570. [PMID: 32034805 DOI: 10.1111/fcp.12543] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 02/06/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Siyuan Lv
- Department of Neurosurgery The National Key Clinic Specialty Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration The Engineering Technology Research Center of Education Ministry of China Zhujiang Hospital Southern Medical University Guangzhou China
| | - Ning Wu
- Department of Hematology Southern Hospital Southern Medical University Guang Zhou China
| | - Qiang Wang
- Department of Neurology Movement Disorders and Neuromodulation Unit Charité ‐ Universitätsmedizin Berlin Germany
| | - Li‐Hua Yang
- Pediatric Center of Zhujiang Hospital Southern Medical University Guangzhou China
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17
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Altered dynamics in the circadian oscillation of clock genes in serum-shocked NIH-3T3 cells by the treatment of GYY4137 or AOAA. Arch Biochem Biophys 2020; 680:108237. [DOI: 10.1016/j.abb.2019.108237] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/02/2019] [Accepted: 12/21/2019] [Indexed: 11/19/2022]
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18
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Wang H, Shi X, Qiu M, Lv S, Liu H. Hydrogen Sulfide Plays an Important Protective Role through Influencing Endoplasmic Reticulum Stress in Diseases. Int J Biol Sci 2020; 16:264-271. [PMID: 31929754 PMCID: PMC6949148 DOI: 10.7150/ijbs.38143] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
The endoplasmic reticulum is an important organelle responsible for protein synthesis, modification, folding, assembly and transport of new peptide chains. When the endoplasmic reticulum protein folding ability is impaired, the unfolded or misfolded proteins accumulate to lead to endoplasmic reticulum stress. Hydrogen sulfide is an important signaling molecule that regulates many physiological and pathological processes. Recent studies indicate that H2S plays an important protective role in many diseases through influencing endoplasmic reticulum stress, but its mechanism is not fully understood. This article reviewed the progress about the effect of H2S on endoplasmic reticulum stress and its mechanisms involved in diseases in recent years to provide theoretical basis for in-depth study.
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Affiliation(s)
- Honggang Wang
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Xingzhuo Shi
- School of Life Science, Henan University, Kaifeng, Henan, 475000, China
| | - Mengyuan Qiu
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Shuangyu Lv
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
| | - Huiyang Liu
- Institute of Biomedical Informatics, Bioinformatics Center, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475000, China
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19
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Wu L, Chen Y, Wang CY, Tang YY, Huang HL, Kang X, Li X, Xie YR, Tang XQ. Hydrogen Sulfide Inhibits High Glucose-Induced Neuronal Senescence by Improving Autophagic Flux via Up-regulation of SIRT1. Front Mol Neurosci 2019; 12:194. [PMID: 31481873 PMCID: PMC6710442 DOI: 10.3389/fnmol.2019.00194] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 07/25/2019] [Indexed: 01/31/2023] Open
Abstract
Hyperglycemia, a key characteristic and risk factor for diabetes mellitus (DM), causes neuronal senescence. Hydrogen sulfide (H2S) is a novel neuroprotectant. The present work was to investigate the potential effect of H2S on hyperglycemia-induced neuronal senescence and the underlying mechanisms. We found that NaHS, a donor of H2S, inhibited high glucose (HG)-induced cellular senescence in HT22 cells (an immortalized mouse hippocampal cell line), as evidenced by a decrease in the number of senescence associated-β-galactosidase (SA-β-gal) positive cells, increase in the growth of cells, and down-regulations of senescence mark proteins, p16INK4a and p21CIP1. NaHS improved the autophagic flux, which is judged by a decrease in the amount of intracellular autophagosome as well as up-regulations of LC3II/I and P62 in HG-exposed HT22 cells. Furthermore, blocked autophagic flux by chloroquine (CQ) significantly abolished NaHS-exerted improvement in the autophagic flux and suppression in the cellular senescence of GH-exposed HT22 cells, which indicated that H2S antagonizes HG-induced neuronal senescence by promoting autophagic flux. We also found that NaHS up-regulated the expression of silent mating type information regulation 2 homolog 1 (SIRT1), an important anti-aging protein, in HG-exposed HT22 cells. Furthermore, inhibition of SIRT1 by sirtinol reversed the protection of H2S against HG-induced autophagic flux blockade and cellular senescence in HT22 cells. These data indicated that H2S protects HT22 cells against HG-induced neuronal senescence by improving autophagic flux via up-regulation of SIRT1, suggesting H2S as a potential treatment strategy for hyperglycemia-induced neuronal senescence and neurotoxicity.
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Affiliation(s)
- Lei Wu
- Institute of Neuroscience, Hengyang Medical College, University of South China, Hengyang, China.,Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China
| | - Ying Chen
- Institute of Neuroscience, Hengyang Medical College, University of South China, Hengyang, China.,Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China.,Department of Pharmacology, The Central Hospital of Hengyang, Hengyang, China
| | - Chun-Yan Wang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China
| | - Yi-Yun Tang
- Institute of Neuroscience, Hengyang Medical College, University of South China, Hengyang, China
| | - Hong-Lin Huang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China
| | - Xuan Kang
- Institute of Neurology, the First Affiliated Hospital, University of South China, Hengyang, China
| | - Xiang Li
- Institute of Neurology, the First Affiliated Hospital, University of South China, Hengyang, China
| | - Yu-Rong Xie
- College of Chemistry and Chemical Engineering, University of South China, Hengyang, China
| | - Xiao-Qing Tang
- Institute of Neuroscience, Hengyang Medical College, University of South China, Hengyang, China.,Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China.,Institute of Neurology, the First Affiliated Hospital, University of South China, Hengyang, China
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20
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Hydrogen Sulfide Inhibits Formaldehyde-Induced Senescence in HT-22 Cells via Upregulation of Leptin Signaling. Neuromolecular Med 2019; 21:192-203. [DOI: 10.1007/s12017-019-08536-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 04/08/2019] [Indexed: 10/27/2022]
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21
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Du C, Lin X, Xu W, Zheng F, Cai J, Yang J, Cui Q, Tang C, Cai J, Xu G, Geng B. Sulfhydrated Sirtuin-1 Increasing Its Deacetylation Activity Is an Essential Epigenetics Mechanism of Anti-Atherogenesis by Hydrogen Sulfide. Antioxid Redox Signal 2019; 30:184-197. [PMID: 29343087 DOI: 10.1089/ars.2017.7195] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Aims: Hydrogen sulfide (H2S) has a protective role in the pathogenesis of atherosclerosis by multiple pathways. Sirtuin-1 (SIRT1) is a histone deacetylase, as an essential mediated longevity gene, and has an anti-atherogenic effect by regulating the acetylation of some functional proteins. Whether SIRT1 is involved in protecting H2S in atherosclerosis and its mechanism remains unclear. Results: In ApoE-knockout atherosclerosis mice, treatment with an H2S donor (NaHS or GYY4137) reduced atherosclerotic plaque area, macrophage infiltration, aortic inflammation, and plasma lipid level. H2S treatment increased aorta and liver SIRT1 mRNA expression. Overexpression or slicing cystathionine gamma lyase (CSE) also changed intracellular SIRT1 expression. CSE/H2S treatment increased SIRT1 deacetylation in endothelium and hepatocytes and macrophages, then induced deacetylation of its target proteins (P53, P65, and sterol response element binding protein), thereby reducing endothelial and macrophage inflammation and inhibiting macrophage cholesterol uptake and cholesterol de novo synthesis of liver. Also, CSE/H2S induced SIRT1 sulfhydration at its two zinc finger domains, increased its zinc ion binding activity to stabilize the alpha-helix structure, lowered its ubiquitination, and reduced its degradation. Innovation: H2S is a novel SIRT1 activator by direct sulfhydration. Because SIRT1 has a role in longevity, H2S may be a protector for aging-related diseases. Conclusion: Endogenous CSE/H2S directly sulfhydrated SIRT1, enhanced SIRT1 binding to zinc ion, then promoted its deacetylation activity, and increased SIRT1 stability, thus reducing atherosclerotic plaque formation.
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Affiliation(s)
- Congkuo Du
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Xianjuan Lin
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Wenjing Xu
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Fengjiao Zheng
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Junyan Cai
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Jichun Yang
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Qinghua Cui
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Chaoshu Tang
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Jun Cai
- 2 State Key Laboratory of Cardiovascular Disease, Hypertension Center , Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Guoheng Xu
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China
| | - Bin Geng
- 1 MOE Key Lab of Cardiovascular Sciences, Department of Physiology and Pathophysiology, Department of Biomedical Informatics, Center for Noncoding RNA Medicine, School of Basic Medical Science, Peking University Health Science Center. Beijing , People's Republic of China .,2 State Key Laboratory of Cardiovascular Disease, Hypertension Center , Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
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22
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Majumder A, Singh M, George AK, Tyagi SC. Restoration of skeletal muscle homeostasis by hydrogen sulfide during hyperhomocysteinemia-mediated oxidative/ER stress condition 1. Can J Physiol Pharmacol 2018; 97:441-456. [PMID: 30422673 DOI: 10.1139/cjpp-2018-0501] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Elevated homocysteine (Hcy), i.e., hyperhomocysteinemia (HHcy), causes skeletal muscle myopathy. Among many cellular and metabolic alterations caused by HHcy, oxidative and endoplasmic reticulum (ER) stress are considered the major ones; however, the precise molecular mechanism(s) in this process is unclear. Nevertheless, there is no treatment option available to treat HHcy-mediated muscle injury. Hydrogen sulfide (H2S) is increasingly recognized as a potent anti-oxidant, anti-apoptotic/necrotic/pyroptotic, and anti-inflammatory compound and also has been shown to improve angiogenesis during ischemic injury. Patients with CBS mutation produce less H2S, making them vulnerable to Hcy-mediated cellular damage. Many studies have reported bidirectional regulation of ER stress in apoptosis through JNK activation and concomitant attenuation of cell proliferation and protein synthesis via PI3K/AKT axis. Whether H2S mitigates these detrimental effects of HHcy on muscle remains unexplored. In this review, we discuss molecular mechanisms of HHcy-mediated oxidative/ER stress responses, apoptosis, angiogenesis, and atrophic changes in skeletal muscle and how H2S can restore skeletal muscle homeostasis during HHcy condition. This review also highlights the molecular mechanisms on how H2S could be developed as a clinically relevant therapeutic option for chronic conditions that are aggravated by HHcy.
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Affiliation(s)
- Avisek Majumder
- a Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA.,b Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Mahavir Singh
- a Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA.,c Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Akash K George
- a Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA.,c Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Suresh C Tyagi
- a Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
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23
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Yi J, Yuan Y, Zheng J, Hu N. Hydrogen sulfide alleviates uranium-induced kidney cell apoptosis mediated by ER stress via 20S proteasome involving in Akt/GSK-3β/Fyn-Nrf2 signaling. Free Radic Res 2018; 52:1020-1029. [DOI: 10.1080/10715762.2018.1514603] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Juan Yi
- School of Pharmaceutical and Biological Science, Institute of Biology, University of South China, Hengyang, China
| | - Yan Yuan
- School of Pharmaceutical and Biological Science, Institute of Biology, University of South China, Hengyang, China
| | - Jifang Zheng
- School of Pharmaceutical and Biological Science, Institute of Biology, University of South China, Hengyang, China
| | - Nan Hu
- School of Pharmaceutical and Biological Science, Institute of Biology, University of South China, Hengyang, China
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24
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Diallyl trisulfide ameliorates myocardial ischemia-reperfusion injury by reducing oxidative stress and endoplasmic reticulum stress-mediated apoptosis in type 1 diabetic rats: role of SIRT1 activation. Apoptosis 2018; 22:942-954. [PMID: 28455824 DOI: 10.1007/s10495-017-1378-y] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Diallyl trisulfide (DATS) protects against apoptosis during myocardial ischemia-reperfusion (MI/R) injury in diabetic state, although the underlying mechanisms remain poorly defined. Previously, we and others demonstrated that silent information regulator 1 (SIRT1) activation inhibited oxidative stress and endoplasmic reticulum (ER) stress during MI/R injury. We hypothesize that DATS reduces diabetic MI/R injury by activating SIRT1 signaling. Streptozotocin (STZ)-induced type 1 diabetic rats were subjected to MI/R surgery with or without perioperative administration of DATS (40 mg/kg). We found that DATS treatment markedly improved left ventricular systolic pressure and the first derivative of left ventricular pressure, reduced myocardial infarct size as well as serum creatine kinase and lactate dehydrogenase activities. Furthermore, the myocardial apoptosis was also suppressed by DATS as evidenced by reduced apoptotic index and cleaved caspase-3 expression. However, these effects were abolished by EX527 (the inhibitor of SIRT1 signaling, 5 mg/kg). We further found that DATS effectively upregulated SIRT1 expression and its nuclear distribution. Additionally, PERK/eIF2α/ATF4/CHOP-mediated ER stress-induced apoptosis was suppressed by DATS treatment. Moreover, DATS significantly activated Nrf-2/HO-1 antioxidant signaling pathway, thus reducing Nox-2/4 expressions. However, the ameliorative effects of DATS on oxidative stress and ER stress-mediated myocardial apoptosis were inhibited by EX527 administration. Taken together, these data suggest that perioperative DATS treatment effectively ameliorates MI/R injury in type 1 diabetic setting by enhancing cardiac SIRT1 signaling. SIRT1 activation not only upregulated Nrf-2/HO-1-mediated antioxidant signaling pathway but also suppressed PERK/eIF2α/ATF4/CHOP-mediated ER stress level, thus reducing myocardial apoptosis and eventually preserving cardiac function.
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25
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Paul BD, Snyder SH. Gasotransmitter hydrogen sulfide signaling in neuronal health and disease. Biochem Pharmacol 2018; 149:101-109. [PMID: 29203369 PMCID: PMC5868969 DOI: 10.1016/j.bcp.2017.11.019] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 11/29/2017] [Indexed: 01/17/2023]
Abstract
Hydrogen sulfide is a gaseous signaling molecule or gasotransmitter which plays important roles in a wide spectrum of physiologic processes in the brain and peripheral tissues. Unlike nitric oxide and carbon monoxide, the other major gasotransmitters, research on hydrogen sulfide is still in its infancy. One of the modes by which hydrogen sulfide signals is via a posttranslational modification termed sulfhydration/persulfidation, which occurs on reactive cysteine residues on target proteins, where the reactive SH group is converted to an SSH group. Sulfhydration is a substantially prevalent modification, which modulates the structure or function of proteins being modified. Thus, precise control of endogenous hydrogen sulfide production and metabolism is critical for maintenance of optimal cellular function, with excess generation and paucity, both contributing to pathology. Dysregulation of the reverse transsulfuration pathway which generates hydrogen sulfide occurs in several neurodegenerative diseases such as Parkinson's disease, Huntington's disease and Alzheimer's disease. Accordingly, treatment with donors of hydrogen sulfide or stimulation of the reverse transsulfuration have proved beneficial in several neurodegenerative states. In this review we focus on hydrogen sulfide mediated neuronal signaling processes that contribute to neuroprotection.
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Affiliation(s)
- Bindu D Paul
- The Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
| | - Solomon H Snyder
- The Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Psychiatry, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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26
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Tang YY, Wang AP, Wei HJ, Li MH, Zou W, Li X, Wang CY, Zhang P, Tang XQ. Role of silent information regulator 1 in the protective effect of hydrogen sulfide on homocysteine-induced cognitive dysfunction: Involving reduction of hippocampal ER stress. Behav Brain Res 2018; 342:35-42. [PMID: 29307666 DOI: 10.1016/j.bbr.2017.12.040] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 12/15/2017] [Accepted: 12/31/2017] [Indexed: 12/23/2022]
Abstract
Homocysteine (Hcy) causes cognitive deficits and hippocampal endoplasmic reticulum (ER) stress. Our previous study has confirmed that Hydrogen sulfide (H2S) attenuates Hcy-induced cognitive dysfunction and hippocampal ER stress. Silent information regulator 1 (Sirt-1) is indispensable in the formation of learning and memory. Therefore, the aim of this study was to explore the role of Sirt-1 in the protective effect of H2S against Hcy-induced cognitive dysfunction. We found that NaHS (a donor of H2S) markedly up-regulated the expression of Sirt-1 in the hippocampus of Hcy-exposed rats. Sirtinol, a specific inhibitor of Sirt-1, reversed the improving role of NaHS in the cognitive function of Hcy-exposed rats, as evidenced by that sirtinol increased the escape latency and the swim distance in the acquisition trial of morris water maze (MWM) test, decreased the times crossed through and the time spent in the target quadrant in the probe trail of MWM test, and reduced the discrimination index in the novel object recognition test (NORT) in the rats cotreated with NaHS and Hcy. We also found that sirtinol reversed the protection of NaHS against Hcy-induced hippocampal ER-stress, as evidenced by up-regulating the expressions of GRP78, CHOP, and cleaved caspase-12 in the hippocampus of rats cotreated with NaHS and Hcy. These results suggested the contribution of upregulation of hippocampal Sirt-1 to the improving role of H2S in the cognitive function of Hcy-exposed rats, which involves suppression of hippocampal ER stress. Our finding provides a new insight into the mechanism underlying the inhibitory role of H2S in Hcy-induced cognitive dysfunction.
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Affiliation(s)
- Yi-Yun Tang
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Physiology, Medical College, University of South China, Hengyang, 421001, Hunan, PR China
| | - Ai-Ping Wang
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Anatomy, Medical College, University of South China, Hengyang, 421001, Hunan, PR China
| | - Hai-Jun Wei
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Physiology, Medical College, University of South China, Hengyang, 421001, Hunan, PR China
| | - Man-Hong Li
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, PR China
| | - Wei Zou
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, PR China.
| | - Xiang Li
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Anaesthesiology, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, PR China
| | - Chun-Yan Wang
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Pathophysiology, Medical College, University of South China, Hengyang, 421001, Hunan, PR China
| | - Ping Zhang
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, PR China
| | - Xiao-Qing Tang
- Institute of Neuroscience, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Physiology, Medical College, University of South China, Hengyang, 421001, Hunan, PR China; Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, PR China.
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Sun W, Yang J, Zhang Y, Xi Y, Wen X, Yuan D, Wang Y, Wei C, Wang R, Wu L, Li H, Xu C. Exogenous H 2S restores ischemic post-conditioning-induced cardioprotection through inhibiting endoplasmic reticulum stress in the aged cardiomyocytes. Cell Biosci 2017; 7:67. [PMID: 29238517 PMCID: PMC5725883 DOI: 10.1186/s13578-017-0196-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/03/2017] [Indexed: 01/25/2023] Open
Abstract
Background A gasotransmitter hydrogen sulfide (H2S) plays an important physiological and pathological role in cardiovascular system. Ischemic post-conditioning (PC) provides cardioprotection in the young hearts but not in the aged hearts. Exogenous H2S restores PC-induced cardioprotection by inhibition of mitochondrial permeability transition pore opening and oxidative stress and increase of autophagy in the aged hearts. However, whether H2S contributes to the recovery of PC-induced cardioprotection via down-regulation of endoplasmic reticulum stress (ERS) in the aged hearts is unclear. Methods The aged H9C2 cells (the cardiomyocytes line) were induced using H2O2 and were exposed to H/R and PC protocols. Cell viability was observed by CCK-8 kit. Apoptosis was detected by Hoechst 33342 staining and flow cytometry. Related protein expressions were detected through Western blot. Results In the present study, we found that 30 μM H2O2 induced H9C2 cells senescence but not apoptosis. Supplementation of NaHS protected against H/R-induced apoptosis, the expression of cleaved caspase-3 and cleaved caspase-9 and the release of cytochrome c. The addition of NaHS also counteracted the reduction of cell viability caused by H/R and decreased the expression of GRP 78, CHOP, cleaved caspase-12, ATF 4, ATF 6 and XBP-1 and the phosphorylation of PERK, eIF 2α and IRE 1α. Additionally, NaHS increased Bcl-2 expression. PC alone did not provide cardioprotection in H/R-treated aged cardiomyocytes, which was significantly restored by the supplementation of NaHS. The beneficial role of NaHS was similar to the supply of 4-PBA (an inhibitor of ERS), GSK2656157 (an inhibitor of PERK), STF083010 (an inhibitor of IRE 1α), respectively, during PC. Conclusion Our results suggest that the recovery of myocardial protection from PC by exogenous H2S is associated with the inhibition of ERS via down-regulating PERK-eIF 2α-ATF 4, IRE 1α-XBP-1 and ATF 6 pathways in the aged cardiomyocytes.
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Affiliation(s)
- Weiming Sun
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Jinxia Yang
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,Department of Pathology, Daqing Medical College, Daqing, China
| | - Yuanzhou Zhang
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Yuxin Xi
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Xin Wen
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Di Yuan
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Yuehong Wang
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Can Wei
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Rui Wang
- The Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada
| | - Lingyun Wu
- The Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, Canada
| | - Hongzhu Li
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
| | - Changqing Xu
- Department of Pathophysiology, Harbin Medical University, Baojian Road, Harbin, 150081 China.,The Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, China
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Perridon BW, Leuvenink HGD, Hillebrands JL, van Goor H, Bos EM. The role of hydrogen sulfide in aging and age-related pathologies. Aging (Albany NY) 2017; 8:2264-2289. [PMID: 27683311 PMCID: PMC5115888 DOI: 10.18632/aging.101026] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 09/13/2016] [Indexed: 12/14/2022]
Abstract
When humans grow older, they experience inevitable and progressive loss of physiological function, ultimately leading to death. Research on aging largely focuses on the identification of mechanisms involved in the aging process. Several proposed aging theories were recently combined as the 'hallmarks of aging'. These hallmarks describe (patho-)physiological processes that together, when disrupted, determine the aging phenotype. Sustaining evidence shows a potential role for hydrogen sulfide (H2S) in the regulation of aging. Nowadays, H2S is acknowledged as an endogenously produced signaling molecule with various (patho-) physiological effects. H2S is involved in several diseases including pathologies related to aging. In this review, the known, assumed and hypothetical effects of hydrogen sulfide on the aging process will be discussed by reviewing its actions on the hallmarks of aging and on several age-related pathologies.
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Affiliation(s)
- Bernard W Perridon
- Department of Pathology and Medical Biology, University Medical Center Groningen, the Netherlands
| | | | - Jan-Luuk Hillebrands
- Department of Pathology and Medical Biology, University Medical Center Groningen, the Netherlands
| | - Harry van Goor
- Department of Pathology and Medical Biology, University Medical Center Groningen, the Netherlands
| | - Eelke M Bos
- Department of Pathology and Medical Biology, University Medical Center Groningen, the Netherlands.,Department of Neurosurgery, Erasmus Medical Center Rotterdam, the Netherlands
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29
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Zhang D, Du J, Tang C, Huang Y, Jin H. H 2S-Induced Sulfhydration: Biological Function and Detection Methodology. Front Pharmacol 2017; 8:608. [PMID: 28932194 PMCID: PMC5592224 DOI: 10.3389/fphar.2017.00608] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 08/22/2017] [Indexed: 12/11/2022] Open
Abstract
At appropriate concentrations, hydrogen sulfide, a well-known gasotransmitter, plays important roles in both physiology and pathophysiology. Increasing evidence suggests that modifying thiol groups of specific cysteines in target proteins via sulfhydration or persulfidation is one of the important mechanisms responsible for the biological functions of hydrogen sulfide. A variety of key proteins of different cellular pathways in mammals have been reported to be sulfhydrated by hydrogen sulfide to participate and regulate the processes of cell survival/death, cell differentiation, cell proliferation/hypertrophy, cellular metabolism, mitochondrial bioenergetics/biogenesis, endoplasmic reticulum stress, vasorelaxtion, inflammation, oxidative stress, etc. Moreover, S-sulfhydration also exerts many biological functions through the cross-talk with other post-translational modifications including phosphorylation, S-nitrosylation and tyrosine nitration. This review summarizes recent studies of hydrogen sulfide-induced sulfhydration as a posttranslational modification, an important biological function of hydrogen sulfide, and sulfhydrated proteins are introduced. Additionally, we discuss the main methods of detecting sulfhydration of proteins.
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Affiliation(s)
- Da Zhang
- Department of Pediatrics, Peking University First HospitalBeijing, China
| | - Junbao Du
- Department of Pediatrics, Peking University First HospitalBeijing, China.,Key Laboratory of Molecular Cardiology, Ministry of EducationBeijing, China
| | - Chaoshu Tang
- Key Laboratory of Molecular Cardiology, Ministry of EducationBeijing, China.,Department of Physiology and Pathophysiology, Peking University Health Science CenterBeijing, China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First HospitalBeijing, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First HospitalBeijing, China
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30
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Hydrogen sulfide ameliorates cognitive dysfunction in streptozotocin-induced diabetic rats: involving suppression in hippocampal endoplasmic reticulum stress. Oncotarget 2017; 8:64203-64216. [PMID: 28969063 PMCID: PMC5609995 DOI: 10.18632/oncotarget.19448] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 04/20/2017] [Indexed: 01/21/2023] Open
Abstract
Diabetes induces impairment in cognitive function. There is substantial evidence that hippocampal endoplasmic reticulum (ER) stress is involved in diabetic cognitive impairment. Hydrogen sulfide (H2S) attenuates the learning and memory decline in experimental Alzheimer's disease and inhibits the hippocampal ER stress in homocysteine-exposed rats. Therefore, this aim of the present work was to investigate whether H2S ameliorates the diabetic cognitive dysfunction involving inhibition of hippocampal ER stress. In the present work, we found that stretozotocin (STZ, 40 mg/kg)-induced diabetic rats exhibited impairment in cognitive function, as judged by the novel objective recognition task (NOR) test, the Y-maze test and the Morris water maze (MWM) test. Notably, treatment of diabetic rats with sodium hydrosulfide (NaHS, a donor of H2S, 30 or 100 μmol/kg/d, for 30 d) significantly reversed diabetes-induced impairment in cognitive function. We also found that STZ (40 mg/kg)-induced diabetic rats exhibited hippocampal ER stress, as evidenced by upregulations of glucose regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), and cleaved caspase-12 in the hippocampus. However, treatment with NaHS (30 or 100 μmol/kg/d, for 30 d) markedly suppressed the increases in GRP78, CHOP, and cleaved caspase-12 expressions in the hippocampus of diabetic rats. In addition, we noted that NaHS (30 or 100 μmol/kg/d, for 30 d) significantly enhanced the generation of hippocampal endogenous H2S in STZ-induced diabetic rats. These results suggest that H2S exhibits therapeutic potential for diabetes-associated cognitive dysfunction, which is most likely related to its protective effects against hippocampal ER stress.
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31
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Yang H, Huang F, Tao Y, Zhao X, Liao L, Tao X. Simvastatin ameliorates ionizing radiation-induced apoptosis in the thymus by activating the AKT/sirtuin 1 pathway in mice. Int J Mol Med 2017; 40:762-770. [PMID: 28677744 PMCID: PMC5547942 DOI: 10.3892/ijmm.2017.3047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 06/20/2017] [Indexed: 12/25/2022] Open
Abstract
Simvastatin is a HMG-CoA reductase inhibitor widely used to lower plasma cholesterol and to protect against cardiovascular risk factors. The aim of this study was to investigate whether simvastatin attenuates ionizing radiation-induced damage in the mouse thymus and to elucidate the possible mechanisms invovled. For this purpose, male C57BL/6J mice aged 6 weeks were used and exposed to 4 Gy 60Co γ-radiation with or without simvastatin (20 mg/kg/day, for 14 days). Apoptosis was determined by terminal deoxynucle-otidyltransferase-mediated dUTP nick-end labeling (TUNEL) assay or transmission electron microscopy (TEM) examination. Thymocytes were also isolated and incubated in DMEM supplemented with 10% FBS at 37°C and exposed to 8 Gy 60Co γ-radiation with or without simvastatin (20 µM). The expression levels of Bcl-2, p53, p-p53, AKT, sirtuin 1 and poly(ADP-ribose) polymerase (PARP) were determined by western blot analysis. TUNEL and TEM examination revealed that simvastatin treatment significantly mitigated ionizing radiation-induced apoptosis in the mouse thymus. It was also found that simvastatin treatment increased AKT/sirtuin 1 expression following exposure to ionizing radiation in vivo and in vitro. In the in vivo model, but not in the in vitro model, Bcl-2 and PARP expression was augmented and that of p53/p-p53 decreased following treatment with simvastatin. On the whole, our findings indicate that simvastatin exerts a protective effect against ionizing radiation-induced damage in the mouse thymus, which may be partially attributed to the activation of the AKT/sirtuin 1 pathway.
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Affiliation(s)
- Hong Yang
- Department of Pharmacy, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China
| | - Fei Huang
- Department of Pharmacy, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China
| | - Yulong Tao
- Department of Pharmacy, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China
| | - Xinbin Zhao
- School of Pharmaceutical Sciences Medicine, Tsinghua University, Beijing 100084, P.R. China
| | - Lina Liao
- Department of Pharmacy, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China
| | - Xia Tao
- Department of Pharmacy, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China
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32
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Reprint of: Hydrogen sulfide in stroke: Protective or deleterious? Neurochem Int 2017; 107:78-87. [DOI: 10.1016/j.neuint.2016.11.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 11/24/2016] [Accepted: 11/28/2016] [Indexed: 11/20/2022]
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Yadav V, Gao XH, Willard B, Hatzoglou M, Banerjee R, Kabil O. Hydrogen sulfide modulates eukaryotic translation initiation factor 2α (eIF2α) phosphorylation status in the integrated stress-response pathway. J Biol Chem 2017. [PMID: 28637872 DOI: 10.1074/jbc.m117.778654] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S) regulates various physiological processes, including neuronal activity, vascular tone, inflammation, and energy metabolism. Moreover, H2S elicits cytoprotective effects against stressors in various cellular models of injury. However, the mechanism of the signaling pathways mediating the cytoprotective functions of H2S is not well understood. We previously uncovered a heme-dependent metabolic switch for transient induction of H2S production in the trans-sulfuration pathway. Here, we demonstrate that increased endogenous H2S production or its exogenous administration modulates major components of the integrated stress response promoting a metabolic state primed for stress response. We show that H2S transiently increases phosphorylation of eukaryotic translation initiation factor 2 (eIF2α) resulting in inhibition of general protein synthesis. The H2S-induced increase in eIF2α phosphorylation was mediated at least in part by inhibition of protein phosphatase-1 (PP1c) via persulfidation at Cys-127. Overexpression of a PP1c cysteine mutant (C127S-PP1c) abrogated the H2S effect on eIF2α phosphorylation. Our data support a model in which H2S exerts its cytoprotective effect on ISR signaling by inducing a transient adaptive reprogramming of global mRNA translation. Although a transient increase in endogenous H2S production provides cytoprotection, its chronic increase such as in cystathionine β-synthase deficiency may pose a problem.
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Affiliation(s)
- Vinita Yadav
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Xing-Huang Gao
- the Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, and
| | - Belinda Willard
- the Proteomics and Metabolomics Laboratory, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44106
| | - Maria Hatzoglou
- the Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, and
| | - Ruma Banerjee
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Omer Kabil
- From the Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109,
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Liang XG, Chen B, Shao LX, Cheng J, Huang MZ, Chen Y, Hu YZ, Han YF, Han F, Li X. A Fluorogenic Probe for Ultrafast and Reversible Detection of Formaldehyde in Neurovascular Tissues. Am J Cancer Res 2017; 7:2305-2313. [PMID: 28740553 PMCID: PMC5505062 DOI: 10.7150/thno.19554] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 03/16/2017] [Indexed: 12/19/2022] Open
Abstract
Formaldehyde (FA) is endogenously produced in live systems and has been implicated in a diverse array of pathophysiological processes. To disentangle the detailed molecular mechanisms of FA biology, a reliable method for monitoring FA changes in live cells would be indispensable. Although there have been several fluorescent probes reported to detect FA, most are limited by the slow detection kinetics and the intrinsic disadvantage of detecting FA in an irreversible manner which may disturb endogenous FA homeostasis. Herein we developed a coumarin-hydrazonate based fluorogenic probe (PFM) based on a finely-tailored stereoelectronic effect. PFM could respond to FA swiftly and reversibly. This, together with its desirable specificity and sensitivity, endows us to track endogenous FA in live neurovascular cells with excellent temporal and spatial resolution. Further study in the brain tissue imaging showed the first direct observation of aberrant FA accumulation in cortex and hippocampus of Alzheimer's mouse model, indicating the potential of PFM as a diagnostic tool.
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Liu SY, Li D, Zeng HY, Kan LY, Zou W, Zhang P, Gu HF, Tang XQ. Hydrogen Sulfide Inhibits Chronic Unpredictable Mild Stress-Induced Depressive-Like Behavior by Upregulation of Sirt-1: Involvement in Suppression of Hippocampal Endoplasmic Reticulum Stress. Int J Neuropsychopharmacol 2017; 20:867-876. [PMID: 28482013 PMCID: PMC5737807 DOI: 10.1093/ijnp/pyx030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 05/03/2017] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S) is a crucial signaling molecule with a wide range of physiological functions. Previously, we confirmed that stress-induced depression is accompanied with disturbance of H2S generation in hippocampus. The present work attempted to investigate the inhibitory effect of H2S on chronic unpredictable mild stress-induced depressive-like behaviors and the underlying mechanism. METHODS We established the rat model of chronic unpredictable mild stress to simulate depression. Open field test, forced swim test, and tail suspension test were used to assess depressive-like behaviors. The expression of Sirt-1 and three marked proteins related to endoplasmic reticulum stress (GRP-78, CHOP, and cleaved caspase-12) were detected by western blot. RESULTS We found that chronic unpredictable mild stress-exposed rats exhibit depression-like behavior responses, including significantly increased immobility time in the forced swim test and tail suspension test, and decreased climbing time and swimming time in the forced swim test. In parallel, chronic unpredictable mild stress-exposed rats showed elevated levels of hippocampal endoplasmic reticulum stress and reduced levels of Sirt-1. However, NaHS (a donor of H2S) not only alleviated chronic unpredictable mild stress-induced depressive-like behaviors and hippocampal endoplasmic reticulum stress, but it also increased the expression of hippocampal Sirt-1 in chronic unpredictable mild stress-exposed rats. Furthermore, Sirtinol, an inhibitor of Sirt-1, reversed the protective effects of H2S against chronic unpredictable mild stress-induced depression-like behaviors and hippocampal endoplasmic reticulum stress. CONCLUSION These results demonstrated that H2S has an antidepressant potential, and the underlying mechanism is involved in the inhibition of hippocampal endoplasmic reticulum stress by upregulation of Sirt-1 in hippocampus. These findings identify H2S as a novel therapeutic target for depression.
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Affiliation(s)
- Shu-Yun Liu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Dan Li
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hai-Ying Zeng
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Li-Yuan Kan
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Wei Zou
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Ping Zhang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hong-Feng Gu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Xiao-Qing Tang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang).,Correspondence: Xiao-Qing Tang, MD, PhD, Department of Physiology, Institute of Neuroscience, Medical College, University of South China, 28 West Changsheng Road, Hengyang 421001, Hunan Province, P. R. China ()
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Chan SJ, Wong PTH. Hydrogen sulfide in stroke: Protective or deleterious? Neurochem Int 2017; 105:1-10. [DOI: 10.1016/j.neuint.2016.11.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 11/24/2016] [Accepted: 11/28/2016] [Indexed: 02/07/2023]
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Chen Y, Zhou CF, Xiao F, Huang HL, Zhang P, Gu HF, Tang XQ. Inhibition of ALDH2 protects PC12 cells against formaldehyde-induced cytotoxicity: involving the protection of hydrogen sulphide. Clin Exp Pharmacol Physiol 2017; 44:595-601. [DOI: 10.1111/1440-1681.12741] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 02/11/2017] [Accepted: 02/23/2017] [Indexed: 01/28/2023]
Affiliation(s)
- Ying Chen
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study; Institute of Pharmacy and Pharmacology; University of South China; Hengyang Hunan China
- Institute of Neuroscience; Medical College; University of South China; Hengyang Hunan China
| | - Cheng-Fang Zhou
- Institute of Neuroscience; Medical College; University of South China; Hengyang Hunan China
| | - Fan Xiao
- Institute of Neuroscience; Medical College; University of South China; Hengyang Hunan China
| | - Hong-Lin Huang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study; Institute of Pharmacy and Pharmacology; University of South China; Hengyang Hunan China
| | - Ping Zhang
- Department of Neurology; Nanhua Affiliated Hospital; University of South China; Hengyang Hunan China
| | - Hong-Feng Gu
- Institute of Neuroscience; Medical College; University of South China; Hengyang Hunan China
| | - Xiao-Qing Tang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study; Institute of Pharmacy and Pharmacology; University of South China; Hengyang Hunan China
- Institute of Neuroscience; Medical College; University of South China; Hengyang Hunan China
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Xu D, Jin H, Wen J, Chen J, Chen D, Cai N, Wang Y, Wang J, Chen Y, Zhang X, Wang X. Hydrogen sulfide protects against endoplasmic reticulum stress and mitochondrial injury in nucleus pulposus cells and ameliorates intervertebral disc degeneration. Pharmacol Res 2017; 117:357-369. [PMID: 28087442 DOI: 10.1016/j.phrs.2017.01.005] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/17/2016] [Accepted: 01/05/2017] [Indexed: 11/16/2022]
Abstract
It has been suggested that excessive apoptosis in intervertebral disc cells induced by inflammatory cytokines, such as interleukin (IL)-1β, is related to the process of intervertebral disc degeneration (IVDD). Hydrogen sulfide (H2S), a gaseous signaling molecule, has drawn attention for its anti-apoptosis role in various pathophysiological processes in degenerative diseases. To date, there has been no investigation of the correlation of H2S production and IVDD or of the effects of H2S on IL-1β-induced apoptosis in nucleus pulposus (NP) cells. Here, we found that the expression levels of cystathionine β-synthase (CBS) and cystathionine γ-lyase (CSE), two key enzymes in the generation of H2S, were significantly decreased in human degenerate NP tissues as well as in IL-1β-treated NP cells. NaHS (H2S donor) administration showed a protective effect by inhibiting the endoplasmic reticulum (ER) stress response and mitochondrial dysfunction induced by IL-1β stimulation in vitro, the effect was related to activation of the PI3K/Akt and ERK1/2 signaling pathways. Suppression of these pathways by specific inhibitors, LY294002 and PD98059, partially reduced the protective effect of NaHS. Moreover, in the percutaneous needle puncture disc degeneration rat tail model, disc degeneration was partially reversed by NaHS administration. Taken together, our results suggest that H2S plays a protective role in IVDD and the underlying mechanism involves PI3K/Akt and ERK1/2 signaling pathways-mediated suppression of ER stress and mitochondrial dysfunction in IL-1β-induced NP cells.
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Affiliation(s)
- Daoliang Xu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Haiming Jin
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jianxia Wen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiaoxiang Chen
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Deheng Chen
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ningyu Cai
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yongli Wang
- Department of Orthopaedic Surgery, Huzhou Central Hospital, Huzhou, China
| | - Jianle Wang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yu Chen
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaolei Zhang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, Zhejiang, China.
| | - Xiangyang Wang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Rose P, Moore PK, Zhu YZ. H 2S biosynthesis and catabolism: new insights from molecular studies. Cell Mol Life Sci 2016; 74:1391-1412. [PMID: 27844098 PMCID: PMC5357297 DOI: 10.1007/s00018-016-2406-8] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 10/07/2016] [Accepted: 11/01/2016] [Indexed: 02/06/2023]
Abstract
Hydrogen sulfide (H2S) has profound biological effects within living organisms and is now increasingly being considered alongside other gaseous signalling molecules, such as nitric oxide (NO) and carbon monoxide (CO). Conventional use of pharmacological and molecular approaches has spawned a rapidly growing research field that has identified H2S as playing a functional role in cell-signalling and post-translational modifications. Recently, a number of laboratories have reported the use of siRNA methodologies and genetic mouse models to mimic the loss of function of genes involved in the biosynthesis and degradation of H2S within tissues. Studies utilising these systems are revealing new insights into the biology of H2S within the cardiovascular system, inflammatory disease, and in cell signalling. In light of this work, the current review will describe recent advances in H2S research made possible by the use of molecular approaches and genetic mouse models with perturbed capacities to generate or detoxify physiological levels of H2S gas within tissues.
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Affiliation(s)
- Peter Rose
- School of Life Science, University of Lincoln, Brayford Pool, Lincoln, Lincolnshire, LN6 7TS, UK. .,State Key Laboratory of Quality Research in Chinese Medicine and School of Pharmacy, Macau University of Science and Technology, Macau, China.
| | - Philip K Moore
- Department of Pharmacology, National University of Singapore, Lee Kong Chian Wing, UHL #05-02R, 21 Lower Kent Ridge Road, Singapore, 119077, Singapore
| | - Yi Zhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine and School of Pharmacy, Macau University of Science and Technology, Macau, China
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Xie L, Feng H, Li S, Meng G, Liu S, Tang X, Ma Y, Han Y, Xiao Y, Gu Y, Shao Y, Park CM, Xian M, Huang Y, Ferro A, Wang R, Moore PK, Wang H, Ji Y. SIRT3 Mediates the Antioxidant Effect of Hydrogen Sulfide in Endothelial Cells. Antioxid Redox Signal 2016; 24:329-43. [PMID: 26422756 PMCID: PMC4761821 DOI: 10.1089/ars.2015.6331] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AIM Oxidative stress is a key contributor to endothelial dysfunction and associated cardiovascular pathogenesis. Hydrogen sulfide (H2S) is an antioxidant gasotransmitter that protects endothelial cells against oxidative stress. Sirtuin3 (SIRT3), which belongs to the silent information regulator 2 (SIR2) family, is an important deacetylase under oxidative stress. H2S is able to regulate the activity of several sirtuins. The present study aims to investigate the role of SIRT3 in the antioxidant effect of H2S in endothelial cells. RESULTS Cultured EA.hy926 endothelial cells were exposed to hydrogen peroxide (H2O2) as a model of oxidative stress-induced cell injury. GYY4137, a slow-releasing H2S donor, improved cell viability, reduced oxidative stress and apoptosis, and improved mitochondrial function following H2O2 treatment. H2S reversed the stimulation of MAPK phosphorylation, downregulation of SIRT3 mRNA and reduction of the superoxide dismutase 2 and isocitrate dehydrogenase 2 expression which were induced by H2O2. H2S also increased activator protein 1 (AP-1) binding activity with SIRT3 promoter and this effect was absent in the presence of the specific AP-1 inhibitor, SR11302 or curcumin. Paraquat administration to mice induced a defected endothelium-dependent aortic vasodilatation and increased oxidative stress in both mouse aorta and small mesenteric artery, which were alleviated by GYY4137 treatment. This vasoprotective effect of H2S was absent in SIRT3 knockout mice. INNOVATION The present results highlight a novel role for SIRT3 in the protective effect of H2S against oxidant damage in the endothelium both in vitro and in vivo. CONCLUSION H2S enhances AP-1 binding activity with the SIRT3 promoter, thereby upregulating SIRT3 expression and ultimately reducing oxidant-provoked vascular endothelial dysfunction. Antioxid. Redox Signal. 24, 329-343.
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Affiliation(s)
- Liping Xie
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Haihua Feng
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Sha Li
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Guoliang Meng
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China .,2 Department of Pharmacology, School of Pharmacy, Nantong University , Nantong, China
| | - Shangmin Liu
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Xin Tang
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Yan Ma
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Yi Han
- 3 Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University , Nanjing, China
| | - Yujiao Xiao
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Yue Gu
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
| | - Yongfeng Shao
- 4 Department of Cardiothoracic Surgery, the First Affiliated Hospital of Nanjing Medical University , Nanjing, China
| | - Chung-Min Park
- 5 Department of Chemistry, Washington State University , Pullman, Washington
| | - Ming Xian
- 5 Department of Chemistry, Washington State University , Pullman, Washington
| | - Yu Huang
- 6 Institute of Vascular Biology, Chinese University of Hong Kong , Hong Kong, China
| | - Albert Ferro
- 7 Cardiovascular Division, Department of Clinical Pharmacology, School of Medicine, King's College London , London, United Kingdom
| | - Rui Wang
- 8 Department of Biology, Cardivascular and Molecular Research Unit, Lakehead University , Thunder Bay, Ontario, Canada
| | - Philip K Moore
- 9 Department of Pharmacology, National University of Singapore , Singapore
| | - Hong Wang
- 10 Department of Pharmacology, Center for Metabolic Disease Research, Temple University School of Medicine , Philadelphia, Pennsylvania
| | - Yong Ji
- 1 Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University , Nanjing, China
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Xin H, Wang M, Tang W, Shen Z, Miao L, Wu W, Li C, Wang X, Xin X, Zhu YZ. Hydrogen Sulfide Attenuates Inflammatory Hepcidin by Reducing IL-6 Secretion and Promoting SIRT1-Mediated STAT3 Deacetylation. Antioxid Redox Signal 2016; 24:70-83. [PMID: 26154696 PMCID: PMC4742985 DOI: 10.1089/ars.2015.6315] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AIMS Anemia of inflammation is quite prevalent in hospitalized patients with poor prognosis. Concerns about the effectiveness and safety of iron supplementation have arisen, driving the demand for alternative therapies. Induction of hepatic hepcidin, the master hormone of iron homeostasis, causes anemia under inflammatory conditions. Previous studies indicated that hydrogen sulfide (H2S), the third gasotransmitter and a well-known regulator of inflammation, may inhibit the secretion of inflammatory cytokines. We thus investigated the effect of H2S on inflammatory hepcidin induction. RESULTS H2S suppressed lipopolysaccharide (LPS)-induced hepcidin production and regulated iron homeostasis in mice by decreasing serum interleukin-6 (IL-6) and Janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3) activation; similar results were obtained in Huh7 cells exposed to conditioned medium from LPS-challenged THP-1 macrophages. Intriguingly, we found H2S also attenuated hepcidin levels in Huh7 cells and mouse primary hepatocytes in a sirtuin 1 (SIRT1)-dependent manner. By promoting SIRT1 expression and stabilizing SIRT1-STAT3 interactions, H2S ameliorated IL-6-induced STAT3 acetylation, resulting in reduced hepcidin production. Inhibition and silencing of SIRT1 diminished H2S-mediated suppression of hepcidin, as opposed to SIRT1 activation and overexpression. Consistent results were observed in vivo. Furthermore, knockout of cystathionine γ-lyase (CSE), an endogenous H2S synthase, exaggerated inflammatory hepcidin expression in mice. INNOVATION For the first time, we elucidated the effects and possible mechanisms of H2S on inflammatory hepcidin and established a novel regulatory link between SIRT1 and hepcidin. CONCLUSION Our work demonstrates that H2S attenuates inflammation-induced hepatic hepcidin via multipathways and suggests new treatment strategies for anemia of inflammation.
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Affiliation(s)
- Hong Xin
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Minjun Wang
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Wenbo Tang
- 2 Department of Oncology, School of Medicine, Fudan University , Shanghai, China
| | - Zhuqing Shen
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Lei Miao
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Weijun Wu
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Chengyi Li
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Xiling Wang
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Xiaoming Xin
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China
| | - Yi Zhun Zhu
- 1 Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University , Shanghai, China .,3 Department of Pharmacology, National University of Singapore , Singapore
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Ying R, Wang XQ, Yang Y, Gu ZJ, Mai JT, Qiu Q, Chen YX, Wang JF. Hydrogen sulfide suppresses endoplasmic reticulum stress-induced endothelial-to-mesenchymal transition through Src pathway. Life Sci 2015; 144:208-17. [PMID: 26656263 DOI: 10.1016/j.lfs.2015.11.025] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Revised: 10/20/2015] [Accepted: 11/24/2015] [Indexed: 01/09/2023]
Abstract
AIMS Hydrogen sulfide (H2S) ameliorates cardiac fibrosis in several models by suppressing endoplasmic reticulum (ER) stress. Endothelial-to-mesenchymal transition (EndMT) is implicated in the development of cardiac fibrosis. Therefore, we investigated whether H2S could attenuate EndMT by suppressing ER stress. MAIN METHODS ER stress was induced by tunicamycin (TM) and thapsigargin (TG) and inhibited by 4-phenylbutyrate (4-PBA) in human umbilical vein endothelial cells (HUVECs). ER stress and EndMT were measured by Western blot, Real-Time PCR and immunofluorescence staining. Inhibition Smad2 and Src pathway were performed by specific inhibitors and siRNA. Ultrastructural examination was detected by transmission electron microscope. The functions of HUVECs were investigated by cell migration assay and tube formation in vitro. KEY FINDINGS Under ER stress, the expression of endothelial marker CD31 significantly decreased while mesenchymal markers α-SMA, vimentin and collagen 1 increased which could be inhibited by 4-PBA. Moreover, HUVECs changed into a fibroblast-like appearance with the activation of Smad2 and Src kinase pathway. After inhibiting Src pathway, EndMT would be significantly inhibited. TM reduced H2S levels in cell lysate and H2S pretreatment could preserve endothelial cell appearance with decreased ER stress and ameliorated dilation of ER. H2S could also downregulate the mesenchymal marker expression, and upregulate the endothelial markers expression, accompanied with the suppression of Src pathway. Moreover, H2S partially restored the capacity of migration and tube formation in HUVECs. SIGNIFICANCE These results revealed that H2S could protect against ER stress-induced EndMT through Src pathway, which may be a novel role for the cardioprotection of H2S.
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Affiliation(s)
- Ru Ying
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China
| | - Xiao-Qiao Wang
- Department of Anesthesia, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, People's Republic of China
| | - Ying Yang
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China
| | - Zhen-Jie Gu
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China
| | - Jing-Ting Mai
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China
| | - Qiong Qiu
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China
| | - Yang-Xin Chen
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China.
| | - Jing-Feng Wang
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, People's Republic of China; Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou 510120, People's Republic of China.
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Gao S, Li W, Zou W, Zhang P, Tian Y, Xiao F, Gu H, Tang X. H2S protects PC12 cells against toxicity of corticosterone by modulation of BDNF-TrkB pathway. Acta Biochim Biophys Sin (Shanghai) 2015; 47:915-24. [PMID: 26423115 DOI: 10.1093/abbs/gmv098] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 07/24/2015] [Indexed: 12/31/2022] Open
Abstract
Corticosterone, one of the glucocorticoids, is toxic to neurons and plays an important role in depressive-like behavior and depression. We previously showed that hydrogen sulfide (H2S), a novel physiological mediator, plays an inhibitory role in depression. However, the mechanism underlying H2S-triggered antidepressant-like role is not clearly known. Brain-derived neurotrophic factor (BDNF), a neurotrophic factor, plays a neuroprotective role that is mediated by its high-affinity tropomysin-related kinase B (TrkB) receptor. In this study, to investigate the underlying mechanism of H2S-induced antidepressant-like role, we explored whether H2S could protect neurons against corticosterone-mediated cyctotoxicity and whether this protective role of H2S was involved in the regulation of BDNF-TrkB pathway. Our data demonstrated that sodium hydrosulfide (NaHS), the donor of H2S, could prevent corticosterone-induced cytotoxicity, apoptosis, accumulation of intracellular reactive oxygen species (ROS) and loss of mitochondrial membrane potential (MMP) in PC12 cells. NaHS not only induced the up-regulation of BDNF but also prevented the down-regulation of BDNF by corticosterone. It was also found that blocking BDNF-TrkB pathway by K252a, an inhibitor of TrkB, abolished the protection of H2S against corticosterone-induced cytotoxicity, apoptosis, accumulation of ROS, and loss of MMP. These results suggest that H2S protects against the neurotoxicity of corticosterone by modulation of the BDNF-TrkB pathway.
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Affiliation(s)
- Shenglan Gao
- Institute of Neuroscience, Medical College, University of South China, Hengyang 42100, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Wenting Li
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China
| | - Wei Zou
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China
| | - Ping Zhang
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China
| | - Ying Tian
- Department of Biochemistry, Medical College, University of South China, Hengyang 421001, China
| | - Fan Xiao
- Institute of Neuroscience, Medical College, University of South China, Hengyang 42100, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Hongfeng Gu
- Institute of Neuroscience, Medical College, University of South China, Hengyang 42100, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Xiaoqing Tang
- Institute of Neuroscience, Medical College, University of South China, Hengyang 42100, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China
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Fernández A, Ordóñez R, Reiter RJ, González-Gallego J, Mauriz JL. Melatonin and endoplasmic reticulum stress: relation to autophagy and apoptosis. J Pineal Res 2015. [PMID: 26201382 DOI: 10.1111/jpi.12264] [Citation(s) in RCA: 342] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Endoplasmic reticulum (ER) is a dynamic organelle that participates in a number of cellular functions by controlling lipid metabolism, calcium stores, and proteostasis. Under stressful situations, the ER environment is compromised, and protein maturation is impaired; this causes misfolded proteins to accumulate and a characteristic stress response named unfolded protein response (UPR). UPR protects cells from stress and contributes to cellular homeostasis re-establishment; however, during prolonged ER stress, UPR activation promotes cell death. ER stressors can modulate autophagy which in turn, depending of the situation, induces cell survival or death. Interactions of different autophagy- and apoptosis-related proteins and also common signaling pathways have been found, suggesting an interplay between these cellular processes, although their dynamic features are still unknown. A number of pathologies including metabolic, neurodegenerative and cardiovascular diseases, cancer, inflammation, and viral infections are associated with ER stress, leading to a growing interest in targeting components of the UPR as a therapeutic strategy. Melatonin has a variety of antioxidant, anti-inflammatory, and antitumor effects. As such, it modulates apoptosis and autophagy in cancer cells, neurodegeneration and the development of liver diseases as well as other pathologies. Here, we review the effects of melatonin on the main ER stress mechanisms, focusing on its ability to regulate the autophagic and apoptotic processes. As the number of studies that have analyzed ER stress modulation by this indole remains limited, further research is necessary for a better understanding of the crosstalk between ER stress, autophagy, and apoptosis and to clearly delineate the mechanisms by which melatonin modulates these responses.
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Affiliation(s)
- Anna Fernández
- Institute of Biomedicine (IBIOMED), University of León, León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), León, Spain
| | - Raquel Ordóñez
- Institute of Biomedicine (IBIOMED), University of León, León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), León, Spain
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Javier González-Gallego
- Institute of Biomedicine (IBIOMED), University of León, León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), León, Spain
| | - José L Mauriz
- Institute of Biomedicine (IBIOMED), University of León, León, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), León, Spain
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Li C, Hu M, Wang Y, Lu H, Deng J, Yan X. Hydrogen sulfide preconditioning protects against myocardial ischemia/reperfusion injury in rats through inhibition of endo/sarcoplasmic reticulum stress. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:7740-7751. [PMID: 26339339 PMCID: PMC4555667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 06/22/2015] [Indexed: 06/05/2023]
Abstract
Ischemia reperfusion (I/R) injury is a major cause of myocardial damage. Hydrogen sulfide (H2S), a gaseous signal molecule, has drawn considerable attention for its role in various pathophysiological processes. Multiple lines of evidence reveal the protective effects of H2S in various models of cardiac injury, however, the exact mechanism underlying this protective effect of H2S against myocardial I/R injury is not fully understood. The present study was designed to investigate whether H2S preconditioning attenuates myocardial I/R injury in rats and whether the observed protection is associated with reduced endo/sarcoplasmic reticulum (ER/SR) stress. We found that H2S preconditioning significantly reduced myocardial infarct size, preserved left ventricular function, and inhibited I/R-induced cardiomyocyte apoptosis in vivo. Furthermore, H2S preconditioning significantly attenuated I/R-induced ER/SR stress responses, including the increased expression of glucose-regulated protein 78, C/EBP homologous protein, and activate transcription factor in myocardium. Additionally, we demonstrate that H2S preconditioning attenuates ER/SR stress and inhibits cardiomyocyte apoptosis in an in vitro model of hypoxia/reoxygenation in rat H9c2 cardiac myocytes. In conclusion, these results suggest that H2S-attenuated ER/SR stress plays an important role in its protective effects against I/R-induced myocardial injury.
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Affiliation(s)
- Changyong Li
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Min Hu
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Yuan Wang
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Huan Lu
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Jing Deng
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
| | - Xiaohong Yan
- Department of Physiology, School of Basic Medical Sciences, Wuhan University Wuhan, Hubei, China
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Tan H, Zou W, Jiang J, Tian Y, Xiao Z, Bi L, Zeng H, Tang X. Disturbance of hippocampal H2S generation contributes to CUMS-induced depression-like behavior: involvement in endoplasmic reticulum stress of hippocampus. Acta Biochim Biophys Sin (Shanghai) 2015; 47:285-91. [PMID: 25736403 DOI: 10.1093/abbs/gmv009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The chronic unpredictable mild stress (CUMS) model is a widely used experimental model of depression. Exogenous stress-induced neuronal cell death in the hippocampus is closely associated with the pathogenesis of depression. Excessive and prolonged endoplasmic reticulum (ER) stress triggers cell death. Hydrogen sulfide (H2S), the third endogenous signaling gasotransmitter, plays an important role in brain functions as a neuromodulator and a neuroprotectant. We hypothesized that the disturbance of endogenous H2S generation and ER stress in the hippocampus might be involved in CUMS-induced depression-like behaviors. Thus, the present study focused on whether CUMS disturbs the generation of endogenous H2S and up-regulates ER stress in the hippocampus and whether exogenous H2S prevents CUMS-induced depressive-like behaviors. Results showed that CUMS-treated rats exhibit depression-like behavior and hippocampal ER stress responses including up-regulated levels of glucose-regulated protein 78, CCAAT/enhancer binding protein homologous protein, and cleaved caspase-12 expression, while the endogenous generation of H2S in the hippocampus is suppressed in CUMS-treated rats. Furthermore, exogenous H2S prevents CUMS-induced depression-like behavior. These data indicated that CUMS-induced depression-like behaviors are related to the disturbance of endogenous H2S generation and ER stress in the hippocampus and suggested that endogenous H2S and ER stress are novel treatment targets of depression.
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Affiliation(s)
- Huiying Tan
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Wei Zou
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Jiamei Jiang
- Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Ying Tian
- Department of Biochemistry, University of South China, Hengyang 421001, China
| | - Zhifang Xiao
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China
| | - Lili Bi
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China
| | - Haiying Zeng
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
| | - Xiaoqing Tang
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang 421001, China Department of Physiology and Institute of Neuroscience, Medical College, University of South China, Hengyang 421001, China Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang 421001, China
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Stress signaling in mammalian oocytes and embryos: a basis for intervention and improvement of outcomes. Cell Tissue Res 2015; 363:159-167. [PMID: 25743689 DOI: 10.1007/s00441-015-2124-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 12/30/2014] [Indexed: 10/23/2022]
Abstract
Oocytes and early stage embryos are highly sensitive to variation in diverse exogenous factors such as temperature, osmolarity, oxygen, nutrient restriction, pH, shear stress, toxins, amino acid availability, and lipids. It is becoming increasingly apparent that many such factors negatively affect the endoplasmic reticulum, protein synthesis and protein processing, initiating ER stress and unfolded protein responses. As a result, ER stress signaling serves as a common mediator of cellular responses to diverse stressors. In oocytes and embryos, this leads to developmental arrest and epigenetic changes. Recent studies have revealed that preventing ER stress or inhibiting ER stress signaling can preserve or even enhance oocyte and embryo developmental potential. This review examines ER stress signaling, how it arises, how it affects oocytes and embryos, and how its occurrence can be managed or prevented.
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Jiang JM, Zhou CF, Gao SL, Tian Y, Wang CY, Wang L, Gu HF, Tang XQ. BDNF-TrkB pathway mediates neuroprotection of hydrogen sulfide against formaldehyde-induced toxicity to PC12 cells. PLoS One 2015; 10:e0119478. [PMID: 25749582 PMCID: PMC4352058 DOI: 10.1371/journal.pone.0119478] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Accepted: 01/13/2015] [Indexed: 11/18/2022] Open
Abstract
Formaldehyde (FA) is a common environmental contaminant that has toxic effects on the central nervous system (CNS). Our previous data demonstrated that hydrogen sulfide (H2S), the third endogenous gaseous mediator, has protective effects against FA-induced neurotoxicity. As is known to all, Brain-derived neurotropic factor (BDNF), a member of the neurotrophin gene family, mediates its neuroprotective properties via various intracellular signaling pathways triggered by activating the tyrosine kinase receptor B (TrkB). Intriguingly, our previous data have illustrated the upregulatory role of H2S on BDNF protein expression in the hippocampus of rats. Therefore, in this study, we hypothesized that H2S provides neuroprotection against FA toxicity by regulating BDNF-TrkB pathway. In the present study, we found that NaHS, a donor of H2S, upregulated the level of BDNF protein in PC12 cells, and significantly rescued FA-induced downregulation of BDNF levels. Furthermore, we found that pretreatment of PC12 cells with K252a, an inhibitor of the BDNF receptor TrkB, markedly reversed the inhibition of NaHS on FA-induced cytotoxicity and ablated the protective effects of NaHS on FA-induced oxidative stress, including the accumulation of intracellular reactive oxygen species (ROS), 4-hydroxy-2-trans-nonenal (4-HNE), and malondialdehyde (MDA). We also showed that K252a abolished the inhibition of NaHS on FA-induced apoptosis, as well as the activation of caspase-3 in PC12 cells. In addition, K252a reversed the protection of H2S against FA-induced downregulation of Bcl-2 protein expression and upregulation of Bax protein expression in PC12 cells. These data indicate that the BDNF-TrkB pathway mediates the neuroprotection of H2S against FA-induced cytotoxicity, oxidative stress and apoptosis in PC12 cells. These findings provide a novel mechanism underlying the protection of H2S against FA-induced neurotoxicity.
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Affiliation(s)
- Jia-Mei Jiang
- Department of Physiology & Institute of Neuroscience, Medical College, University of South China, Hengyang, 42100, Hunan, P. R. China
- Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang, 421001, Hunan, P. R. China
| | - Cheng-Fang Zhou
- Department of Physiology & Institute of Neuroscience, Medical College, University of South China, Hengyang, 42100, Hunan, P. R. China
| | - Sheng-Lan Gao
- Department of Physiology & Institute of Neuroscience, Medical College, University of South China, Hengyang, 42100, Hunan, P. R. China
- Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang, 421001, Hunan, P. R. China
| | - Ying Tian
- Department of Biochemistry, Medical College, University of South China, Hengyang, 421001, Hunan, P.R. China
- * E-mail: (X-QT); (YT)
| | - Chun-Yan Wang
- Department of Pathophysiology, Medical College, University of South China, Hengyang, 421001, Hunan, P.R. China
| | - Li Wang
- Department of Anthropotomy, Medical College, University of South China, Hengyang, 421001, Hunan, P.R. China
| | - Hong-Feng Gu
- Department of Physiology & Institute of Neuroscience, Medical College, University of South China, Hengyang, 42100, Hunan, P. R. China
- Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang, 421001, Hunan, P. R. China
| | - Xiao-Qing Tang
- Department of Physiology & Institute of Neuroscience, Medical College, University of South China, Hengyang, 42100, Hunan, P. R. China
- Key Laboratory for Cognitive Disorders and Neurodegenerative Diseases, University of South China, Hengyang, 421001, Hunan, P. R. China
- * E-mail: (X-QT); (YT)
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Carloni S, Albertini MC, Galluzzi L, Buonocore G, Proietti F, Balduini W. Melatonin reduces endoplasmic reticulum stress and preserves sirtuin 1 expression in neuronal cells of newborn rats after hypoxia-ischemia. J Pineal Res 2014; 57:192-9. [PMID: 24980917 DOI: 10.1111/jpi.12156] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Accepted: 06/27/2014] [Indexed: 12/29/2022]
Abstract
Conditions that interfere with the endoplasmic reticulum (ER) functions cause accumulation of unfolded proteins in the ER lumen, referred to as ER stress, and activate a homeostatic signaling network known as unfolded protein response (UPR). We have previously shown that in neonatal rats subjected to hypoxia-ischemia (HI), melatonin administration significantly reduces brain damage. This study assessed whether attenuation of ER stress is involved in the neuroprotective effect of melatonin after neonatal HI. We found that the UPR was strongly activated after HI. Melatonin significantly reduced the neuron splicing of XBP-1 mRNA, the increased phosphorylation of eIF2α, and elevated expression of chaperone proteins GRP78 and Hsp70 observed after HI in the brain. CHOP, which plays a convergent role in the UPR, was reduced as well. Melatonin also completely prevented the depletion of SIRT-1 induced by HI, and this effect was observed in the same neurons that over-express CHOP. These results demonstrate that melatonin reduces ER stress induced by neonatal HI and preserves SIRT-1 expression, suggesting that SIRT-1, due to its action in the modulation of a wide variety of signaling pathways involved in neuroprotection, may play a key role in the reduction of ER stress and neuroprotection observed after melatonin.
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Affiliation(s)
- Silvia Carloni
- Department of Biomolecular Sciences, University of Urbino 'Carlo Bo', Urbino, Italy
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