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Kriska T, Natarajan J, Herrnreiter A, Park SK, Pfister SL, Thomas MJ, Widiapradja A, Levick SP, Campbell WB. Cellular metabolism of substance P produces neurokinin-1 receptor peptide agonists with diminished cyclic AMP signaling. Am J Physiol Cell Physiol 2024; 327:C151-C167. [PMID: 38798270 DOI: 10.1152/ajpcell.00103.2024] [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: 02/10/2024] [Revised: 05/01/2024] [Accepted: 05/17/2024] [Indexed: 05/29/2024]
Abstract
Substance P (SP) is released from sensory nerves in the arteries and heart. It activates neurokinin-1 receptors (NK1Rs) causing vasodilation, immune modulation, and adverse cardiac remodeling. The hypothesis was tested: SP and SP metabolites activate different second messenger signaling pathways. Macrophages, endothelial cells, and fibroblasts metabolized SP to N- and C-terminal metabolites to varying extents. SP 5-11 was the most abundant metabolite followed by SP 1-4, SP 7-11, SP 6-11, SP 3-11, and SP 8-11. In NK1R-expressing human embryonic kidney 293 (HEK293) cells, SP and some C-terminal SP metabolites stimulate the NK1R, promoting the dissociation of several Gα proteins, including Gαs and Gαq from their βγ subunits. SP increases intracellular calcium concentrations ([Ca]i) and cyclic 3',5'-adenosine monophosphate (cAMP) accumulation with similar -log EC50 values of 8.5 ± 0.3 and 7.8 ± 0.1 M, respectively. N-terminal metabolism of SP by up to five amino acids and C-terminal deamidation of SP produce peptides that retain activity to increase [Ca]i but not to increase cAMP. C-terminal metabolism results in the loss of both activities. Thus, [Ca]i and cAMP signaling are differentially affected by SP metabolism. To assess the role of N-terminal metabolism, SP and SP 6-11 were compared with cAMP-mediated activities in NK1R-expressing 3T3 fibroblasts. SP inhibits nuclear factor κB (NF-κB) activity, cell proliferation, and wound healing and stimulates collagen production. SP 6-11 had little or no activity. Cyclooxygenase-2 (COX-2) expression is increased by SP but not by SP 6-11. Thus, metabolism may select the cellular response to SP by inhibiting or redirecting the second messenger signaling pathway activated by the NK1R.NEW & NOTEWORTHY Endothelial cells, macrophages, and fibroblasts metabolize substance P (SP) to N- and C-terminal metabolites with SP 5-11 as the most abundant metabolite. SP activates neurokinin-1 receptors to increase intracellular calcium and cyclic AMP. In contrast, SP metabolites of N-terminal metabolism and C-terminal deamidation retain the ability to increase calcium but lose the ability to increase cyclic AMP. These new insights indicate that the metabolism of SP directs cellular functions by regulating specific signaling pathways.
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Affiliation(s)
- Tamas Kriska
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Jayashree Natarajan
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Anja Herrnreiter
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Sang-Kyu Park
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Sandra L Pfister
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Michael J Thomas
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Alexander Widiapradja
- Robert C. Byrd Health Sciences Center, Department of Physiology and Pharmacology, West Virginia University, Morgantown, Virginia, United States
| | - Scott P Levick
- Robert C. Byrd Health Sciences Center, Department of Physiology and Pharmacology, West Virginia University, Morgantown, Virginia, United States
| | - William B Campbell
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
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2
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Chen FX, Wan Q, Fang J, Peng L, Li QL, Hu J. The Src1-PGC1α-AP1 complex-dependent secretion of substance P induces inflammation and apoptosis in encephalomyocarditis virus-infected mice. Cytokine 2023; 165:156186. [PMID: 36989655 DOI: 10.1016/j.cyto.2023.156186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/28/2023] [Accepted: 03/14/2023] [Indexed: 03/29/2023]
Abstract
Substance P (SP), a neuropeptide consisting of 11 amino acid residues, is involved in the pathogenesis of encephalomyocarditis virus (EMCV)-induced myocarditis by stimulating the production of proinflammatory cytokines. However, the underlying mechanism that regulates SP production is still unknown. In this study, we report the transcriptional regulation of the Tachykinin Precursor 1 (TAC1) gene that encodes SP by a transcriptional complex composed of Steroid Receptor Coactivator 1 (Src1), Peroxisome proliferator-activated receptor-gamma coactivator 1 (PGC1α), and Activator Protein 1 (AP1) transcription factor. Infection of mice with EMCV induced the accumulation of PGC1α and increased TAC1 expression, thereby promoting the secretion of SP, initiating apoptosis, and elevating proinflammatory cytokine levels. In vitro overexpression of the Src1-PGC1α-AP1 members also induced TAC1 expression, increased the SP concentration, initiated apoptosis, and elevated proinflammatory cytokine concentrations. Depletion or inhibition of the Src1-PGC1α-AP1 complex reversed these effects. The administration of gossypol, an Src1 inhibitor, or SR1892, a PGC1α inhibitor, to EMCV-infected mice attenuated myocarditis. Taken together, our results reveal that the upregulation of TAC1 and the secretion of SP in EMCV-induced myocarditis are dependent on the Src1-PGC1α-AP1 complex. Targeting the Src1-PGC1α-AP1 complex may represent a new therapeutic strategy for myocarditis.
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Affiliation(s)
- Fa-Xiu Chen
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China
| | - Qin Wan
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China
| | - Jing Fang
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China
| | - Le Peng
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China
| | - Qing-Ling Li
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China.
| | - Jian Hu
- Department of Geriatrics, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, Jiangxi, China; Department of Geriatrics, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi, China.
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3
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Kokabi F, Ebrahimi S, Mirzavi F, Ghiasi Nooghabi N, Hashemi SF, Hashemy SI. The neuropeptide substance P/neurokinin-1 receptor system and diabetes: From mechanism to therapy. Biofactors 2023. [PMID: 36651605 DOI: 10.1002/biof.1935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 12/22/2022] [Indexed: 01/19/2023]
Abstract
Diabetes is a significant public health issue known as the world's fastest-growing disease condition. It is characterized by persistent hyperglycemia and subsequent chronic complications leading to organ dysfunction and, ultimately, the failure of target organs. Substance P (SP) is an undecapeptide that belongs to the family of tachykinin (TK) peptides. The SP-mediated activation of the neurokinin 1 receptor (NK1R) regulates many pathophysiological processes in the body. There is also a relation between the SP/NK1R system and diabetic processes. Importantly, deregulated expression of SP has been reported in diabetes and diabetes-associated chronic complications. SP can induce both diabetogenic and antidiabetogenic effects and thus affect the pathology of diabetes destructively or protectively. Here, we review the current knowledge of the functional relevance of the SP/NK1R system in diabetes pathogenesis and its exploitation for diabetes therapy. A comprehensive understanding of the role of the SP/NK1R system in diabetes is expected to shed further light on developing new therapeutic possibilities for diabetes and its associated chronic conditions.
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Affiliation(s)
- Fariba Kokabi
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Safieh Ebrahimi
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farshad Mirzavi
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | | | | | - Seyed Isaac Hashemy
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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4
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Widiapradja A, Kasparian AO, McCaffrey SL, Kolb LL, Imig JD, Lacey JL, Melendez GC, Levick SP. Replacement of Lost Substance P Reduces Fibrosis in the Diabetic Heart by Preventing Adverse Fibroblast and Macrophage Phenotype Changes. Cells 2021; 10:2659. [PMID: 34685639 PMCID: PMC8534147 DOI: 10.3390/cells10102659] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 01/05/2023] Open
Abstract
Reduced levels of the sensory nerve neuropeptide substance P (SP) have been reported in the diabetic rat heart, the consequence being a loss of cardioprotection in response to ischemic post-conditioning. We considered whether this loss of SP also predisposes the heart to non-ischemic diabetic cardiomyopathy in the form of fibrosis and hypertrophy. We report that diabetic Leprdb/db mice have reduced serum SP and that administration of exogenous replacement SP ameliorated cardiac fibrosis. Cardiac hypertrophy did not occur in Leprdb/db mice. Cardiac fibroblasts exposed to high glucose converted to a myofibroblast phenotype and produced excess extracellular matrix proteins; this was prevented by the presence of SP in the culture media. Cardiac fibroblasts exposed to high glucose produced increased amounts of the receptor for advanced glycation end products, reactive oxygen species and inflammatory cytokines, all of which were prevented by SP. Cultured macrophages assumed an M1 pro-inflammatory phenotype in response to high glucose as indicated by increased TNF-α, CCL2, and IL-6. SP promoted a shift to the reparative M2 macrophage phenotype characterized by arginase-1 and IL-10. Leprdb/db mice showed increased left ventricular M1 phenotype macrophages and an increase in the M1/M2 ratio. Replacement SP in Leprdb/db mice restored a favorable M1 to M2 balance. Together these findings indicate that a loss of SP predisposes the diabetic heart to developing fibrosis. The anti-fibrotic actions of replacement SP involve direct effects on cardiac fibroblasts and macrophages to oppose adverse phenotype changes. This study identifies the potential of replacement SP to treat diabetic cardiomyopathy.
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Affiliation(s)
- Alexander Widiapradja
- Kolling Institute, St Leonards, NSW 2065, Australia; (A.W.); (A.O.K.); (S.L.M.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
| | - Ainsley O. Kasparian
- Kolling Institute, St Leonards, NSW 2065, Australia; (A.W.); (A.O.K.); (S.L.M.)
- School of Life Sciences, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Samuel L. McCaffrey
- Kolling Institute, St Leonards, NSW 2065, Australia; (A.W.); (A.O.K.); (S.L.M.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
| | - Lauren L. Kolb
- Drug Discovery Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (L.L.K.); (J.D.I.)
| | - John D. Imig
- Drug Discovery Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (L.L.K.); (J.D.I.)
| | - Jessica L. Lacey
- Section on Cardiology, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (J.L.L.); (G.C.M.)
- Section on Comparative Medicine, Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Giselle C. Melendez
- Section on Cardiology, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (J.L.L.); (G.C.M.)
- Section on Comparative Medicine, Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Scott P. Levick
- Kolling Institute, St Leonards, NSW 2065, Australia; (A.W.); (A.O.K.); (S.L.M.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
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5
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Bai L, Yang J, Zhang H, Liao W, Cen Y. PTB domain and leucine zipper motif 1 (APPL1) inhibits myocardial ischemia/hypoxia-reperfusion injury via inactivation of apoptotic protease activating factor-1 (APAF-1)/Caspase9 signaling pathway. Bioengineered 2021; 12:4385-4396. [PMID: 34304702 PMCID: PMC8806591 DOI: 10.1080/21655979.2021.1954841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Myocardial ischemia/hypoxia-reperfusion injury mediates the progression of multiple cardiovascular diseases. It has been reported that knockdown of adaptor protein containing a PH domain, PTB domain and leucine zipper motif 1 (APPL1) is a significant factor for the progression of myocardial injury. However, the role of APPL1 in myocardial ischemia remains unclear. Hence, the aim of the present study was to investigate the specific mechanism underlying the role of APPL1 in myocardial ischemia.In our study, the mRNA level of APPL1 was detected by quantitative real-time PCR (RT-qPCR). The expressions of APPL1, Apoptotic protease activating factor-1 (APAF-1), cleaved caspase9 and other inflammation- and apoptosis-related proteins were determined by western blotting. The secretion of inflammatory cytokines and lactate dehydrogenase (LDH) levels were measured by commercial assay kits. The H9C2 cell viability was analyzed by cell counting kit-8 (CCK-8) assay. The apoptosis rate of H9C2 cells was analyzed by TUNEL assay. The interaction between APPL1 and APAF-1/caspase9 was determined by Immunoprecipitation (IP).Our findings demonstrated that APPL1 was low expressed in myocardial ischemia tissues and cells. APPL1 knockdown suppressed the viability of myocardial ischemia cells and aggravated hypoxia/reperfusion-induced LDH hypersecretion, inflammation and apoptosis. In addition, the overexpression of APPL1 induced inactivation of APAF-1/Caspase9 signaling pathway. Significantly, APAF1 inhibitor reversed the effect of APPL1 knockdown on viability, LDH secretion, inflammation and apoptosis.We conclude that APPL1 inhibits myocardial ischemia/hypoxia-reperfusion injury via inactivation of APAF-1/Caspase9 signaling pathway. Hence, APPL1 may be a novel and effective target for the treatment of myocardial ischemia.
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Affiliation(s)
- Lina Bai
- Department of Cardiology, Tianjin Nankai Hospital, Tianjin, PR China
| | - Junhua Yang
- Department of Cardiology, Tianjin Nankai Hospital, Tianjin, PR China
| | - Hong Zhang
- Department of Cardiology, Tianjin Nankai Hospital, Tianjin, PR China
| | - Wei Liao
- Department of Medical Ultrasonics, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, PR China
| | - Yunguang Cen
- Center of Geriatrics, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, PR China
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Shuba YM. Beyond Neuronal Heat Sensing: Diversity of TRPV1 Heat-Capsaicin Receptor-Channel Functions. Front Cell Neurosci 2021; 14:612480. [PMID: 33613196 PMCID: PMC7892457 DOI: 10.3389/fncel.2020.612480] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/23/2020] [Indexed: 12/20/2022] Open
Abstract
Transient receptor potential vanilloid 1 (TRPV1) is a calcium-permeable ion channel best known for its ability to be gated by the pungent constituent of red chili pepper, capsaicin, and related chemicals from the group of vanilloids as well as by noxious heat. As such, it is mostly expressed in sensory neurons to act as a detector of painful stimuli produced by pungent chemicals and high temperatures. Its activation is also sensitized by the numerous endogenous inflammatory mediators and second messengers, making it an important determinant of nociceptive signaling. Except for such signaling, though, neuronal TRPV1 activation may influence various organ functions by promoting the release of bioactive neuropeptides from sensory fiber innervation organs. However, TRPV1 is also found outside the sensory nervous system in which its activation and function is not that straightforward. Thus, TRPV1 expression is detected in skeletal muscle; in some types of smooth muscle; in epithelial and immune cells; and in adipocytes, where it can be activated by the combination of dietary vanilloids, endovanilloids, and pro-inflammatory factors while the intracellular calcium signaling that this initiates can regulate processes as diverse as muscle constriction, cell differentiation, and carcinogenesis. The purpose of the present review is to provide a clear-cut distinction between neurogenic TRPV1 effects in various tissues consequent to its activation in sensory nerve endings and non-neurogenic TRPV1 effects due to its expression in cell types other than sensory neurons.
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Affiliation(s)
- Yaroslav M Shuba
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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7
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Miao K, Zhou L, Ba H, Li C, Gu H, Yin B, Wang J, Yang XP, Li Z, Wang DW. Transmembrane tumor necrosis factor alpha attenuates pressure-overload cardiac hypertrophy via tumor necrosis factor receptor 2. PLoS Biol 2020; 18:e3000967. [PMID: 33270628 PMCID: PMC7714153 DOI: 10.1371/journal.pbio.3000967] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 10/23/2020] [Indexed: 12/20/2022] Open
Abstract
Tumor necrosis factor-alpha (TNF-α) plays an important pathogenic role in cardiac hypertrophy and heart failure (HF); however, anti-TNF is paradoxically negative in clinical trials and even worsens HF, indicating a possible protective role of TNF-α in HF. TNF-α exists in transmembrane (tmTNF-α) and soluble (sTNF-α) forms. Herein, we found that TNF receptor 1 (TNFR1) knockout (KO) or knockdown (KD) by short hairpin RNA or small interfering RNA (siRNA) significantly alleviated cardiac hypertrophy, heart dysfunction, fibrosis, and inflammation with increased tmTNF-α expression, whereas TNFR2 KO or KD exacerbated the pathological phenomena with increased sTNF-α secretion in transverse aortic constriction (TAC)- and isoproterenol (ISO)-induced cardiac hypertrophy in vivo and in vitro, respectively, indicating the beneficial effects of TNFR2 associated with tmTNF-α. Suppressing TNF-α converting enzyme by TNF-α Protease Inhibitor-1 (TAPI-1) to increase endogenous tmTNF-α expression significantly alleviated TAC-induced cardiac hypertrophy. Importantly, direct addition of exogenous tmTNF-α into cardiomyocytes in vitro significantly reduced ISO-induced cardiac hypertrophy and transcription of the pro-inflammatory cytokines and induced proliferation. The beneficial effects of tmTNF-α were completely blocked by TNFR2 KD in H9C2 cells and TNFR2 KO in primary myocardial cells. Furthermore, we demonstrated that tmTNF-α displayed antihypertrophic and anti-inflammatory effects by activating the AKT pathway and inhibiting the nuclear factor (NF)-κB pathway via TNFR2. Our data suggest that tmTNF-α exerts cardioprotective effects via TNFR2. Specific targeting of tmTNF-α processing, rather than anti-TNF therapy, may be more useful for the treatment of hypertrophy and HF. In contrast to detrimental effects of soluble tumor necrosis factor-alpha (TNF-α) via TNFR1, this study shows that transmembrane TNF-α protects the heart by suppressing pressure overload-induced cardiac hypertrophy and inflammation via TNFR2. Targeting tmTNF-α processing may be more useful than TNF-antagonist for treatment of hypertrophy and heart failure.
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MESH Headings
- Animals
- Apoptosis/drug effects
- Cardiomegaly/metabolism
- Cardiomegaly/physiopathology
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Knockout
- Myocytes, Cardiac/metabolism
- NF-kappa B/metabolism
- Receptors, Tumor Necrosis Factor, Type I/genetics
- Receptors, Tumor Necrosis Factor, Type I/metabolism
- Receptors, Tumor Necrosis Factor, Type II/genetics
- Receptors, Tumor Necrosis Factor, Type II/metabolism
- Receptors, Tumor Necrosis Factor, Type II/physiology
- Signal Transduction/drug effects
- Tumor Necrosis Factor-alpha/metabolism
- Tumor Necrosis Factor-alpha/physiology
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Affiliation(s)
- Kun Miao
- Division of Cardiology, Department of Internal Medicine and Department of Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ling Zhou
- Division of Cardiology, Department of Internal Medicine and Department of Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hongping Ba
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chenxi Li
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Haiyan Gu
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Bingjiao Yin
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jing Wang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiang-ping Yang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhuoya Li
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- * E-mail: (ZL); (DWW)
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine and Department of Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- * E-mail: (ZL); (DWW)
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8
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Bellis A, Mauro C, Barbato E, Di Gioia G, Sorriento D, Trimarco B, Morisco C. The Rationale of Neprilysin Inhibition in Prevention of Myocardial Ischemia-Reperfusion Injury during ST-Elevation Myocardial Infarction. Cells 2020; 9:cells9092134. [PMID: 32967374 PMCID: PMC7565478 DOI: 10.3390/cells9092134] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/11/2022] Open
Abstract
During the last three decades, timely myocardial reperfusion using either thrombolytic therapy or primary percutaneous intervention (pPCI) has allowed amazing improvements in outcomes with a more than halving in 1-year ST-elevation myocardial infarction (STEMI) mortality. However, mortality and left ventricle (LV) remodeling remain substantial in these patients. As such, novel therapeutic interventions are required to reduce myocardial infarction size, preserve LV systolic function, and improve survival in reperfused-STEMI patients. Myocardial ischemia-reperfusion injury (MIRI) prevention represents the main goal to reach in order to reduce STEMI mortality. There is currently no effective therapy for MIRI prevention in STEMI patients. A significant reason for the weak and inconsistent results obtained in this field may be the presence of multiple, partially redundant, mechanisms of cell death during ischemia-reperfusion, whose relative importance may depend on the conditions. Therefore, it is always more recognized that it is important to consider a "multi-targeted cardioprotective therapy", defined as an additive or synergistic cardioprotective agents or interventions directed to distinct targets with different timing of application (before, during, or after pPCI). Given that some neprilysin (NEP) substrates (natriuretic peptides, angiotensin II, bradykinin, apelins, substance P, and adrenomedullin) exert a cardioprotective effect against ischemia-reperfusion injury, it is conceivable that antagonism of proteolytic activity by this enzyme may be considered in a multi-targeted strategy for MIRI prevention. In this review, by starting from main pathophysiological mechanisms promoting MIRI, we discuss cardioprotective effects of NEP substrates and the potential benefit of NEP pharmacological inhibition in MIRI prevention.
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Affiliation(s)
- Alessandro Bellis
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
- Unità Operativa Complessa Cardiologia con UTIC ed Emodinamica—Dipartimento Emergenza Accettazione, Azienda Ospedaliera “Antonio Cardarelli”, 80131 Napoli, Italy;
| | - Ciro Mauro
- Unità Operativa Complessa Cardiologia con UTIC ed Emodinamica—Dipartimento Emergenza Accettazione, Azienda Ospedaliera “Antonio Cardarelli”, 80131 Napoli, Italy;
| | - Emanuele Barbato
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
| | - Giuseppe Di Gioia
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
- Cardiac Catheterization Laboratory, Montevergine Clinic, 83013 Mercogliano (AV), Italy
| | - Daniela Sorriento
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
| | - Bruno Trimarco
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
| | - Carmine Morisco
- Dipartimento di Scienze Biomediche Avanzate, Università FEDERICO II, 80131 Napoli, Italy; (A.B.); (E.B.); (G.D.G.); (D.S.); (B.T.)
- Correspondence: ; Tel.: +39-081-746-2253; Fax: +39-081-746-2256
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9
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Feickert M, Burckhardt BB. Substance P in cardiovascular diseases – A bioanalytical review. Clin Chim Acta 2019; 495:501-506. [DOI: 10.1016/j.cca.2019.05.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/12/2019] [Accepted: 05/13/2019] [Indexed: 12/13/2022]
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10
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Shang J, Gao ZY, Zhang LY, Wang CY. Over-expression of JAZF1 promotes cardiac microvascular endothelial cell proliferation and angiogenesis via activation of the Akt signaling pathway in rats with myocardial ischemia-reperfusion. Cell Cycle 2019; 18:1619-1634. [PMID: 31177938 PMCID: PMC6619954 DOI: 10.1080/15384101.2019.1629774] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Myocardial ischemia-reperfusion (I/R) injury is caused by endothelial dysfunction and enhanced oxidative stress. The overexpression of JAZF1, a zinc finger protein, has been reported to promote cell proliferation and suppress myogenic differentiation in type 2 diabetes. However, the involvement of JAZF1 in myocardial I/R injury remains to be unclear. The current study aims to investigate the role by which JAZF1 influences cardiac microvascular endothelial cells (CMECs) in a rat model of myocardial I/R injury. A total of 50 rats were established as a myocardial I/R model to isolate CMECs, with alterations in JAZF1 expression. After that, the gain- or loss-function of JAZF1 on the proliferation, apoptosis and tube formation ability of CMECs were evaluated by a series of in vitro experiments. Results indicated that JAZF1 was down-regulated in CMECs of rats with myocardial I/R injury. After treatment with JAZF1, the levels of VEGF, Bcl-2, PDGF and p-Akt/Akt were all increased; however, the expression of Bax, caspase-3, caspase-9, p-Bad/Bad, c-caspase-3/caspase-3, c-caspase-9/caspase-9, and p-FKHR/FKHR exhibited decreased levels; CMEC proliferation and angiogenesis were increased, while cell apoptosis was attenuated. CMECs transfected with JAZF1 shRNA exhibited the contrary tendencies. The key findings of this study suggest that the over-expression of JAZF1 alleviates myocardial I/R injury by enhancing proliferation and angiogenesis of CMECs and in turn inhibiting apoptosis of CMECs via the activation of the Akt signaling pathway.
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Affiliation(s)
- Jie Shang
- a Department of Electrocardiogram , Yantai Yuhuangding Hospital , Yantai , P. R. China
| | - Zhi-Yong Gao
- b Department of Rehabilitation , Yantai Yuhuangding Hospital , Yantai , P. R. China
| | - Li-Yan Zhang
- c Department of Cardiovascular Medicine , Longkou Nanshan Health Valley Tumor Hospital , Longkou , P.R. China
| | - Chun-Yu Wang
- a Department of Electrocardiogram , Yantai Yuhuangding Hospital , Yantai , P. R. China
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11
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Xu Y, Gu Q, Tang J, Qian Y, Tan X, Yu Z, Qu C. Substance P Attenuates Hypoxia/Reoxygenation-Induced Apoptosis via the Akt Signalling Pathway and the NK1-Receptor in H9C2Cells. Heart Lung Circ 2018; 27:1498-1506. [DOI: 10.1016/j.hlc.2017.09.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/08/2017] [Accepted: 09/19/2017] [Indexed: 11/30/2022]
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12
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Substance P and the neurokinin-1 receptor in the ischaemic heart: Two sides to the coin. Int J Cardiol 2018; 271:258-259. [PMID: 29960759 DOI: 10.1016/j.ijcard.2018.06.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 06/18/2018] [Indexed: 10/28/2022]
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13
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Levick SP. Understanding the Complex Roles of Substance P in the Diseased Heart. Heart Lung Circ 2018; 27:1394-1397. [PMID: 30262153 DOI: 10.1016/j.hlc.2018.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 08/30/2018] [Indexed: 11/25/2022]
Affiliation(s)
- Scott P Levick
- Kolling Institute for Medical Research, Royal North Shore Hospital, Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
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14
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Chottova Dvorakova M, Mistrova E, Paddenberg R, Kummer W, Slavikova J. Substance P Receptor in the Rat Heart and Regulation of Its Expression in Long-Term Diabetes. Front Physiol 2018; 9:918. [PMID: 30057556 PMCID: PMC6053525 DOI: 10.3389/fphys.2018.00918] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 06/25/2018] [Indexed: 11/13/2022] Open
Abstract
Substance P (SP) is a neuropeptide engaged in the signal transmission of neural C fibers afferents in the myocardium. The actions of SP in the heart are extensive and they are mediated by the neurokinin 1 receptor (NK1R), a member of the tachykinin subfamily of G-protein coupled receptors. The receptors have been found in the heart, but to our knowledge, their exact localization in the heart has not been described yet. Here, we investigated the presence of NK1R protein in separate rat heart compartments by means of western blot and its tissue distribution by means of immunofluorescence. Specificity of NK1R immunolabeling was controlled by preabsorption of the antiserum with its corresponding peptide. Additionally, we investigated abundance of gene for NK1R in separated heart chambers by means of quantitative real-time PCR (RT-PCR). Relative abundance of NK1R mRNA was expressed as a ratio of target gene Cq value to Cq value of control gene - beta-actin. Finally, we studied abundance of NK1R mRNA in different cell types of heart isolated by laser capture microdissection. Immunofluorescence showed NK1R immunoreactivity on the surface of some intracardiac neurons and smooth muscle cells of coronary vessels. The results of quantitative RT-PCR indicate abundance of mRNA for NK1R in all heart chambers with highest level in the left atrium. The presence of NK1R mRNA was detected in some samples of dissected intracardiac neurons, but not in cardiomyocytes or smooth muscle cells of coronary vessels. In the course of long-term diabetes, a significant downregulation of the NK1R mRNA was seen in the right atrium and upregulation in the right ventricle 53 weeks after the induction of diabetes. Our results indicate localization of NK1R in some intracardiac neurons and smooth muscle cells. Impaired transcription of the NK1R gene in the diabetic heart may be induced by unidentified genes or factors involved in the development of diabetic cardiomyopathy.
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Affiliation(s)
- Magdalena Chottova Dvorakova
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia.,Department of Physiology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia
| | - Eliska Mistrova
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia.,Department of Physiology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia
| | - Renate Paddenberg
- Institute for Anatomy and Cell Biology, Justus-Liebig-University Giessen, Giessen, Germany
| | - Wolfgang Kummer
- Institute for Anatomy and Cell Biology, Justus-Liebig-University Giessen, Giessen, Germany
| | - Jana Slavikova
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia
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15
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Sim DS, Kim W, Lee KH, Song HC, Kim JH, Park DS, Lim KS, Woo JS, Hong YJ, Ahn Y, Hong HS, Son Y, Jeong MH. Cardioprotective effect of substance P in a porcine model of acute myocardial infarction. Int J Cardiol 2018; 271:228-232. [PMID: 29884290 DOI: 10.1016/j.ijcard.2018.05.113] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/24/2018] [Accepted: 05/28/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND Substance P (SP) may attenuate ischemia-reperfusion injury by reducing inflammation. We assessed cardioprotective effect of SP in a porcine model of acute myocardial infarction (AMI). METHODS AMI was induced by occlusion of the left anterior descending artery on 28 swine, randomized to SP 5 nmol/kg (group 1, n = 14) and normal saline (group 2, n = 14) given intravenously 5 min before reperfusion. Blood samples were collected at baseline, 3 days and 4 weeks. Echocardiography and myocardial perfusion single photon emission computed tomography (SPECT) were performed at 1 week and 4 weeks. Histomorphometric infarct size assessment was done at 4 weeks. RESULTS Left ventricular (LV) ejection fraction (EF) (LVEF) after AMI induction was higher in group 1 than group 2 (37.9 ± 4.6% vs. 29.4 ± 3.2%, p = 0.001) but not different at 4 weeks. No significant difference was observed in perfusion defect extent and total perfusion defect on SPECT at 1 week and 4 weeks. Pathologic infarct size (% LV) was significantly smaller in group 1 than group 2 (2.4 ± 2.3% vs. 5.7 ± 2.5%, p = 0.020). The ratio of neutrophil to lymphocyte on day 3 and serum creatinine concentration at 4 weeks after AMI were lower in group 1. CONCLUSIONS In a porcine model of AMI, SP improved LVEF early post-MI and reduced infarct size. SP may be beneficial in reducing inflammation and ischemia-reperfusion injury after AMI.
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Affiliation(s)
- Doo Sun Sim
- The Heart Research Center of Chonnam National University Hospital Designated by Korea Ministry of Health, Welfare and Family Affairs, Gwangju, Republic of Korea
| | - Weon Kim
- Department of Cardiovascular Medicine, Kyung Hee University, Seoul, Republic of Korea.
| | - Kyung Hye Lee
- Department of Cardiovascular Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ho Chun Song
- Department of Nuclear Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Ja Hye Kim
- Department of Nuclear Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Dae Sung Park
- The Heart Research Center of Chonnam National University Hospital Designated by Korea Ministry of Health, Welfare and Family Affairs, Gwangju, Republic of Korea
| | - Kyung Seob Lim
- National Primate Research Center & Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Ochang, Chungbuk, Republic of Korea
| | - Jong Shin Woo
- Department of Cardiovascular Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Young Joon Hong
- The Heart Research Center of Chonnam National University Hospital Designated by Korea Ministry of Health, Welfare and Family Affairs, Gwangju, Republic of Korea
| | - Youngkeun Ahn
- The Heart Research Center of Chonnam National University Hospital Designated by Korea Ministry of Health, Welfare and Family Affairs, Gwangju, Republic of Korea
| | - Hyun Sook Hong
- College of Medicine, , Kyung Hee Institute for Regenerative Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Youngsook Son
- College of Medicine, , Kyung Hee Institute for Regenerative Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Myung Ho Jeong
- The Heart Research Center of Chonnam National University Hospital Designated by Korea Ministry of Health, Welfare and Family Affairs, Gwangju, Republic of Korea.
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16
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Randhawa PK, Jaggi AS. A Review on Potential Involvement of TRPV1 Channels in Ischemia–Reperfusion Injury. J Cardiovasc Pharmacol Ther 2017; 23:38-45. [DOI: 10.1177/1074248417707050] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Besides functioning as thermosensors, transient receptor potential vanilloid 1 (TRPV1) channels play a pivotal role in ischemia–reperfusion injury. Transient receptor potential vanilloid 1 channel activation attenuates ischemia–reperfusion-induced injury in various organs including the heart, lungs, kidneys, and the brain. Transient receptor potential vanilloid 1 channels are expressed on the sensory neurons innervating the myocardium, ventricles of the heart, epicardial surface of the heart, endothelial cells, and the vascular smooth muscle cells. During ischemic conditions, activation of TRPV1 channels on the perivascular nerves stimulates the release of calcitonin gene-related peptide and substance P to produce cardioprotection. Furthermore, TRPV1 channel activation reduces the generation of free radicals and inflammatory cytokines, inhibits neutrophil infiltration, and enhances the production of anti-inflammatory cytokines to reduce ischemia–reperfusion-induced tissue injury. The present review describes the potential involvement of TRPV1 channels and the signaling cascade in attenuating ischemia–reperfusion injury in various organs.
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Affiliation(s)
- Puneet Kaur Randhawa
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University Patiala, Patiala, Punjab, India
| | - Amteshwar Singh Jaggi
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University Patiala, Patiala, Punjab, India
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17
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Ke X, Chen J, Peng L, Zhang W, Yang Y, Liao X, Mo L, Guo R, Feng J, Hu C, Nie R. Heat shock protein 90/Akt pathway participates in the cardioprotective effect of exogenous hydrogen sulfide against high glucose-induced injury to H9c2 cells. Int J Mol Med 2017; 39:1001-1010. [PMID: 28204829 DOI: 10.3892/ijmm.2017.2891] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 01/17/2017] [Indexed: 11/05/2022] Open
Abstract
It has been reported that exogenous hydrogen sulfide (H2S) protects against high glucose (HG)-induced cardiac injury and has a modulatory effect on heat shock protein (HSP) and Akt, which play a cardioprotective role. In this study, we examined whether the HSP90/Akt pathway contributes to the protective effects of exogenous H2S against HG-induced injury to H9c2 cardiac cells. Our results revealed that the exposure of H9c2 cardiac cells to 35 mM glucose (HG) for 1 to 24 h decreased the expression of HSP90 and markedly reduced the expression level of phosphorylated (p)-Akt in a time-dependent manner. Co-exposure of the cells to HG and geldanamycin (GA; an inhibitor of HSP90) aggravated the inhibition of the p-Akt expression level by HG. Of note, treatment of the cells with 400 µM NaHS (a donor of H2S) for 30 min prior to exposure to HG significantly attenuated the HG-induced decrease in the expression levels of both HSP90 and p-Akt, along with inhibition of HG-induced cell injury, as indicated by the increase in cell viability and superoxide dismutase (SOD) activity, and by a decrease in the number of apoptotic cells, reactive oxygen species (ROS) generation, as well as by the decreased dissipation of mitochondrial membrance potential (MMP). Importantly, treatment of the cells with GA or LY294002 (an inhibitor of Akt) prior to exposure to NaHS and HG considerably blocked the cardioprotective effects of NaHS against the HG-induced injury mentioned above. On the whole, the findings of this study demonstrate that the inhibition of the HSP90/Akt pathway may be an important mechanism responsible for HG-induced cardiomyocyte injury. We also provide novel evidence that exogenous H2S protects H9c2 cells against HG-induced injury by activating the HSP90/Akt pathway.
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Affiliation(s)
- Xiao Ke
- Department of Cardiology, Shenzhen Sun Yat-sen Cardiovascular Hospital, Shenzhen, Guangdong, P.R. China
| | - Jingfu Chen
- Department of Cardiovascular Medicine and Dongguan Cardiovascular Institute, The Third People's Hospital of Dongguan City, Dongguan, Guangdong, P.R. China
| | - Longyun Peng
- Department of Cardiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Wei Zhang
- Department of Cardiovasology and Cardiac Care Unit (CCU), Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Yiying Yang
- Department of Cardiovasology and Cardiac Care Unit (CCU), Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Xinxue Liao
- Department of Cardiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Liqiu Mo
- Department of Anesthesiology, Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Ruixian Guo
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Jianqiang Feng
- Department of Anesthesiology, Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Chengheng Hu
- Department of Cardiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Ruqiong Nie
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen Universtity, Guangzhou, Guangdong, P.R. China
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18
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Widiapradja A, Chunduri P, Levick SP. The role of neuropeptides in adverse myocardial remodeling and heart failure. Cell Mol Life Sci 2017; 74:2019-2038. [PMID: 28097372 DOI: 10.1007/s00018-017-2452-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 12/05/2016] [Accepted: 01/02/2017] [Indexed: 12/25/2022]
Abstract
In addition to traditional neurotransmitters of the sympathetic and parasympathetic nervous systems, the heart also contains numerous neuropeptides. These neuropeptides not only modulate the effects of neurotransmitters, but also have independent effects on cardiac function. While in most cases the physiological actions of these neuropeptides are well defined, their contributions to cardiac pathology are less appreciated. Some neuropeptides are cardioprotective, some promote adverse cardiac remodeling and heart failure, and in the case of others their functions are unclear. Some have both cardioprotective and adverse effects depending on the specific cardiac pathology and progression of that pathology. In this review, we briefly describe the actions of several neuropeptides on normal cardiac physiology, before describing in more detail their role in adverse cardiac remodeling and heart failure. It is our goal to bring more focus toward understanding the contribution of neuropeptides to the pathogenesis of heart failure, and to consider them as potential therapeutic targets.
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Affiliation(s)
- Alexander Widiapradja
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA.,Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Prasad Chunduri
- School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Scott P Levick
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA. .,Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA.
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19
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Yang Z, Zhang X, Guo N, Li B, Zhao S. Substance P Inhibits the Collagen Synthesis of Rat Myocardial Fibroblasts Induced by Ang II. Med Sci Monit 2016; 22:4937-4946. [PMID: 27980320 PMCID: PMC5189721 DOI: 10.12659/msm.898454] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The aim of this study was to explore the regulating effects of Substance P (SP) on the collagen synthesis of rat myocardial fibroblasts (CFBs) induced by angiotensin II (Ang II) and its potential mechanism. MATERIAL AND METHODS The CFBs of a neonatal SD rat were separately cultured and divided into the control group, Ang II treatment group, and treatment groups with different concentrations of SP, Ang II +; each group was given corresponding treatment respectively. RESULTS Ang II successfully induced the collagen synthesis of CFBs. Compared with the control group, the phosphorylation levels of TGF-β, erk, and smad2/3 were higher (p<0.05). Different concentrations of SP had an effect on Ang II-induced CFBs, reduced the collagen synthesis of CFBs, and increased the expressions of SP receptors, accompanied by lowering TGF-β protein, erk protein phosphorylation level, and smad2/3 protein phosphorylation level (p<0.05). Moreover, the higher the concentrations of SP, the more obvious of an effect it exerted. Treating the Ang II + SP group with aprepitant reduced the inhibiting effects of SP on collagen synthesis. The expression changes of collagen I and collagen III detected by immunocytochemistry were exactly in accordance with the results of qPCR and Western blotting. CONCLUSIONS SP can inhibit collagen synthesis of CFBs after Ang II inducing which may adjust the downstream signaling pathways associated protein including TGF-β, erk and smad2/3. SP can block the progress of myocardial fibrosis and is dose dependent, which is expected to be a promising target for the treatment of myocardial fibrosis.
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Affiliation(s)
- Zhiyong Yang
- Department of Cardiology, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning, China (mainland)
| | - Xinzhong Zhang
- Department of Cardiology, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning, China (mainland)
| | - Naipeng Guo
- Department of Cardiology, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning, China (mainland)
| | - Bin Li
- Department of Cardiology, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning, China (mainland)
| | - Sheng Zhao
- Department of Cardiology, Capital Medical University Electric Power Teaching Hospital, Beijing, China (mainland)
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20
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Hamar P, Kerjaschki D. Blood capillary rarefaction and lymphatic capillary neoangiogenesis are key contributors to renal allograft fibrosis in an ACE inhibition rat model. Am J Physiol Heart Circ Physiol 2016; 311:H981-H990. [PMID: 27496878 DOI: 10.1152/ajpheart.00320.2016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 07/29/2016] [Indexed: 12/17/2022]
Abstract
Chronic allograft fibrosis is the major cause of graft loss in kidney transplantation. Progression can only be reduced by inhibition of the renin-angiotensin system (RAS). We tested the hypothesis that the protection provided by angiotensin-converting enzyme (ACE) inhibition also decreases capillary rarefaction, lymphangiogenesis, and podocyte injury in allograft fibrosis. Fisher kidneys were transplanted into bilaterally nephrectomized Lewis rats treated with enalapril (60 mg/kg per day) (ACE inhibitor, ACEi) or vehicle. Proteinuria, blood urea nitrogen, and plasma creatinine were regularly assessed, and grafts were harvested for morphological and immunohistological analysis at various times up to 32 wk. In the vehicle group, many new lymphatic capillaries and severe and diffuse mononuclear infiltration of allografts were observed already 1 wk after transplantation. Lymphangiogenesis increased until week 4, by which time inflammatory infiltration became focal. Lymphatic capillaries were often located at sites of inflammation. Progressive interstitial fibrosis, glomerulosclerosis, capillary rarefaction, and proteinuria appeared later, at weeks 4-12 The number of lymphatic capillary cross sections strongly correlated with the interstitial fibrosis score. Podoplanin immunostaining, a marker of healthy podocytes, disappeared from inflamed or sclerotic glomerular areas. ACEi protected from lymphangiogenesis and associated inflammation, preserved glomerular podoplanin protein expression, and reduced glomerulosclerosis, proteinuria, tubulointerstitial fibrosis, and blood capillary rarefaction at 32 wk. In conclusion, ACEi considerably decreased and/or delayed both glomerulosclerosis and tubulointerstitial injury. Prevention of glomerular podoplanin loss and proteinuria could be attributed to the known intraglomerular pressure-lowering effects of ACEi. Reduction of lymphangiogenesis could contribute to amelioration of tubulointerstitial fibrosis and inflammatory infiltration after ACEi.
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Affiliation(s)
- Péter Hamar
- Institute of Pathophysiology, Semmelweis University, Budapest, Hungary; and
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21
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Mistrova E, Kruzliak P, Chottova Dvorakova M. Role of substance P in the cardiovascular system. Neuropeptides 2016; 58:41-51. [PMID: 26706184 DOI: 10.1016/j.npep.2015.12.005] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 12/07/2015] [Accepted: 12/07/2015] [Indexed: 01/03/2023]
Abstract
This article provides an overview of the structure and function of substance P signalling system and its involvement in the cardiovascular regulation. Substance P is an undecapeptide originating from TAC1 gen and belonging to the tachykinin family. The biological actions of substance P are mainly mediated through neurokinin receptor 1 since substance P is the ligand with the highest affinity to neurokinin receptor 1. Substance P is widely distributed within the central and peripheral nervous systems as well as in the cardiovascular system. Substance P is involved in the regulation of heart frequency, blood pressure and in the stretching of vessels. Substance P plays an important role in ischemia and reperfusion and cardiovascular response to stress. Additionally, it has been also implicated in angiogenesis, pain transmission and inflammation. The substance P/neurokinin receptor 1 receptor system is involved in the molecular bases of many human pathological processes. Antagonists of neurokinin receptor 1 receptor could provide clinical solutions for a variety of diseases. Neurokinin receptor 1 antagonists are already used in the prevention of chemotherapy induced nausea and vomiting.
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Affiliation(s)
- Eliska Mistrova
- Department of Physiology, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic; Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Peter Kruzliak
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University, Bratislava, Slovak Republic; 2(nd) Department of Internal Medicine, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
| | - Magdalena Chottova Dvorakova
- Department of Physiology, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic; Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic
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22
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Saw S, Arora N. PI3K and ERK1/2 kinase inhibition potentiate protease inhibitor to attenuate allergen induced Th2 immune response in mouse. Eur J Pharmacol 2016; 776:176-84. [PMID: 26905476 DOI: 10.1016/j.ejphar.2016.02.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 02/16/2016] [Accepted: 02/17/2016] [Indexed: 12/14/2022]
Abstract
Proteases affect immune response by activating PI3K, ERK1/2 and p38 kinase. In present study, therapeutic effect of PI3K, ERK1/2 and p38 kinase inhibitor in combination with serine protease inhibitor was evaluated in cockroach extract (CE) induced airway inflammatory disease. Mice were sensitized on day 0, 7 and 14 and challenged on day 27, 28 and 29 with CE. Mice were given PI3K, ERK1/2 and the p38 kinase inhibitor (iPI3K, iERK1/2 and the ip38) alone or with serine protease inhibitor 4-(2-Aminoethyl) benzenesulfonyl fluoride hydrochloride (AEBSF), 1h before challenge. On day 30 airway resistance of mice were determined and euthanized to collect blood, BAL fluid and lung for analysis. CE immunized mice showed PI3K, ERK1/2 and p38 kinase activation, increased airway resistance, cellular infiltration, Th2 cytokines IgE and IgG1. AEBSF given to mice reduced the CE induced allergic response. AEBSF given in combination of iPI3K/iERK1/2 reduced cellular infiltration in lungs. Furthermore, iPI3K/iERK1/2 with AEBSF significantly reduced the CE induced Th2 cytokines in comparison to monotherapy of kinase inhibitor and AEBSF (P<0.05). The combination of iPI3K/iERK1/2 with AEBSF enhanced IL-12 level that could further provide a mean of Th2 reduction. Best effect in reduction of allergic response in mice was observed on administration of AEBSF with iPI3K. Conclusively, the combination of PI3K kinase inhibitor with AEBSF reduced allergen induced airway response and has therapeutic potential for add-on therapy in allergic airway disease.
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Affiliation(s)
- Sanjay Saw
- CSIR-Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi 110007, India
| | - Naveen Arora
- CSIR-Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi 110007, India.
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23
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Levick SP, Meléndez GC. Targeting substance P and relaxin: A future combination therapy approach for heart failure? Int J Cardiol 2015; 204:154-5. [PMID: 26657613 DOI: 10.1016/j.ijcard.2015.11.157] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 11/22/2015] [Indexed: 11/17/2022]
Affiliation(s)
- Scott P Levick
- Department of Pharmacology & Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States; Cardiovascular Research Center, Medical College of Wisconsin, Milwaukee, WI 53226, United States.
| | - Giselle C Meléndez
- Department of Internal Medicine, Section on Cardiology, Wake Forest School of Medicine, Winston-Salem, NC 27103, United States; Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27103, United States
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