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Chen HS, van Roon L, Schoones J, Zeppenfeld K, DeRuiter MC, Jongbloed MRM. Cardiac sympathetic hyperinnervation after myocardial infarction: a systematic review and qualitative analysis. Ann Med 2023; 55:2283195. [PMID: 38065671 PMCID: PMC10836288 DOI: 10.1080/07853890.2023.2283195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 11/08/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Cardiac sympathetic hyperinnervation after myocardial infarction (MI) is associated with arrhythmogenesis and sudden cardiac death. The characteristics of cardiac sympathetic hyperinnervation remain underexposed. OBJECTIVE To provide a systematic review on cardiac sympathetic hyperinnervation after MI, taking into account: (1) definition, experimental model and quantification method and (2) location, amount and timing, in order to obtain an overview of current knowledge and to expose gaps in literature. METHODS References on cardiac sympathetic hyperinnervation were screened for inclusion. The included studies received a full-text review and quality appraisal. Relevant data on hyperinnervation were collected and qualitatively analysed. RESULTS Our literature search identified 60 eligible studies performed between 2000 and 2022. Cardiac hyperinnervation is generally defined as an increased sympathetic nerve density or increased number of nerves compared to another control group (100%). Studies were performed in a multitude of experimental models, but most commonly in male rats with permanent left anterior descending (LAD) artery ligation (male: 63%, rat: 68%, permanent ligation: 93%, LAD: 97%). Hyperinnervation seems to occur mainly in the borderzone. Quantification after MI was performed in regions of interest in µm2/mm2 (41%) or in percentage of nerve fibres (46%) and the reported amount showed a great variation ranging from 439 to 126,718 µm2/mm2. Hyperinnervation seems to start from three days onwards to >3 months without an evident peak, although studies on structural evaluation over time and in the chronic phase were scarce. CONCLUSIONS Cardiac sympathetic hyperinnervation after MI occurs mainly in the borderzone from three days onwards and remains present at later timepoints, for at least 3 months. It is most commonly studied in male rats with permanent LAD ligation. The amount of hyperinnervation differs greatly between studies, possibly due to differential quantification methods. Further studies are required that evaluate cardiac sympathetic hyperinnervation over time and in the chronic phase, in transmural sections, in the female sex, and in MI with reperfusion.
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Affiliation(s)
- H. Sophia Chen
- Department of Cardiology, Center of Congenital Heart Disease Amsterdam Leiden (CAHAL), Leiden University Medical Center, Leiden, The Netherlands
- Department of Anatomy & Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | - Lieke van Roon
- Department of Anatomy & Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | - Jan Schoones
- Dictorate of Research Policy, Leiden University Medical Center, Leiden, The Netherlands
| | - Katja Zeppenfeld
- Department of Cardiology, Center of Congenital Heart Disease Amsterdam Leiden (CAHAL), Leiden University Medical Center, Leiden, The Netherlands
| | - Marco C. DeRuiter
- Department of Anatomy & Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | - Monique R. M. Jongbloed
- Department of Cardiology, Center of Congenital Heart Disease Amsterdam Leiden (CAHAL), Leiden University Medical Center, Leiden, The Netherlands
- Department of Anatomy & Embryology, Leiden University Medical Center, Leiden, The Netherlands
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Tang C, Xu T, Dai M, Zhong X, Shen G, Liu L. Sitagliptin attenuates neuronal apoptosis via inhibiting the endoplasmic reticulum stress after acute spinal cord injury. Hum Exp Toxicol 2023; 42:9603271231168761. [PMID: 36977492 DOI: 10.1177/09603271231168761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Regulation of endoplasmic reticulum stress (ER) stress-induced apoptosis and nerve regeneration is a hopeful way for acute spinal cord injury (SCI). Sitagliptin (Sita) is one of dipeptidyl peptidase-4 (DPP-4) inhibitor, which is beneficial neurons damaged diseases. However, its protective mechanisms of avoiding nerve injury remain unclear. In this study, we further investigated the mechanism of the anti-apoptotic and neuroprotective effects of Sita in promoting locomotor recovery from SCI. In vivo results showed that Sita treatment reduced neural apoptosis caused by SCI. Moreover, Sita effectively attenuated the ER tress and associated apoptosis in rats with SCI. A striking feature was the occurrence of nerve fiber regeneration at the lesion site, which eventually led to significant locomotion recovery. In vitro results showed that the PC12 cell injury model induced by Thapsigargin (TG) also showed similar neuroprotective effects. Overall, sitagliptin showed potent neuroprotective effects by targeting the ER stress-induced apoptosis both in vivo and vitro, thus facilitating the regeneration of the injured spinal cord.
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Affiliation(s)
- Chengxuan Tang
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | | | - Minghai Dai
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiqiang Zhong
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Guangjie Shen
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Does DPP-IV Inhibition Offer New Avenues for Therapeutic Intervention in Malignant Disease? Cancers (Basel) 2022; 14:cancers14092072. [PMID: 35565202 PMCID: PMC9103952 DOI: 10.3390/cancers14092072] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/16/2022] [Accepted: 04/18/2022] [Indexed: 02/06/2023] Open
Abstract
Simple Summary There is growing interest in identifying the effects of antidiabetic agents on cancer risk, progression, and anti-cancer treatment due to the long-term use of these medications and the inherently increased risk of malignancies in diabetic patients. Tumor development and progression are affected by multiple mediators in the tumor microenvironment, several of which may be proteolytically modified by the multifunctional protease dipeptidyl peptidase-IV (DPP-IV, CD26). Currently, low-molecular-weight DPP-IV inhibitors (gliptins) are used in patients with type 2 diabetes based on the observation that DPP-IV inhibition enhances insulin secretion by increasing the bioavailability of incretins. However, the DPP-IV-mediated cleavage of other biopeptides and chemokines is also prevented by gliptins. The potential utility of gliptins in other areas of medicine, including cancer, is therefore being evaluated. Here, we critically review the existing evidence on the role of DPP-IV inhibitors in cancer pathogenesis, their potential to be used in anti-cancer treatment, and the possible perils associated with this approach. Abstract Dipeptidyl peptidase IV (DPP-IV, CD26) is frequently dysregulated in cancer and plays an important role in regulating multiple bioactive peptides with the potential to influence cancer progression and the recruitment of immune cells. Therefore, it represents a potential contributing factor to cancer pathogenesis and an attractive therapeutic target. Specific DPP-IV inhibitors (gliptins) are currently used in patients with type 2 diabetes mellitus to promote insulin secretion by prolonging the activity of the incretins glucagon-like peptide 1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP). Nevertheless, the modulation of the bioavailability and function of other DPP-IV substrates, including chemokines, raises the possibility that the use of these orally administered drugs with favorable side-effect profiles might be extended beyond the treatment of hyperglycemia. In this review, we critically examine the possible utilization of DPP-IV inhibition in cancer prevention and various aspects of cancer treatment and discuss the potential perils associated with the inhibition of DPP-IV in cancer. The current literature is summarized regarding the possible chemopreventive and cytotoxic effects of gliptins and their potential utility in modulating the anti-tumor immune response, enhancing hematopoietic stem cell transplantation, preventing acute graft-versus-host disease, and alleviating the side-effects of conventional anti-tumor treatments.
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Pius-Sadowska E, Machaliński B. Pleiotropic activity of nerve growth factor in regulating cardiac functions and counteracting pathogenesis. ESC Heart Fail 2021; 8:974-987. [PMID: 33465292 PMCID: PMC8006610 DOI: 10.1002/ehf2.13138] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 11/05/2020] [Accepted: 11/11/2020] [Indexed: 12/30/2022] Open
Abstract
Cardiac innervation density generally reflects the levels of nerve growth factor (NGF) produced by the heart—changes in NGF expression within the heart and vasculature contribute to neuronal remodelling (e.g. sympathetic hyperinnervation or denervation). Its synthesis and release are altered under different pathological conditions. Although NGF is well known for its survival effects on neurons, it is clear that these effects are more wide ranging. Recent studies reported both in vitro and in vivo evidence for beneficial actions of NGF on cardiomyocytes in normal and pathological hearts, including prosurvival and antiapoptotic effects. NGF also plays an important role in the crosstalk between the nervous and cardiovascular systems. It was the first neurotrophin to be implicated in postnatal angiogenesis and vasculogenesis by autocrine and paracrine mechanisms. In connection with these unique cardiovascular properties of NGF, we have provided comprehensive insight into its function and potential effect of NGF underlying heart sustainable/failure conditions. This review aims to summarize the recent data on the effects of NGF on various cardiovascular neuronal and non‐neuronal functions. Understanding these mechanisms with respect to the diversity of NGF functions may be crucial for developing novel therapeutic strategies, including NGF action mechanism‐guided therapies.
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Affiliation(s)
- Ewa Pius-Sadowska
- Department of General Pathology, Pomeranian Medical University, Powstańców Wlkp. 72, Szczecin, 70111, Poland
| | - Bogusław Machaliński
- Department of General Pathology, Pomeranian Medical University, Powstańców Wlkp. 72, Szczecin, 70111, Poland
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Tomovic K, Ilic BS, Smelcerovic Z, Miljkovic M, Yancheva D, Kojic M, Mavrova AT, Kocic G, Smelcerovic A. Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors. Chem Biol Interact 2020; 315:108873. [DOI: 10.1016/j.cbi.2019.108873] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/08/2019] [Accepted: 10/21/2019] [Indexed: 12/13/2022]
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He Y, Yang G, Yao F, Xian Y, Wang G, Chen L, Lv X, Gao H, Zheng Z, Sun L, Wang W, Lin R. Sitagliptin inhibits vascular inflammation via the SIRT6-dependent signaling pathway. Int Immunopharmacol 2019; 75:105805. [DOI: 10.1016/j.intimp.2019.105805] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 08/01/2019] [Accepted: 08/01/2019] [Indexed: 12/15/2022]
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Tomović K, Kocić G, Šmelcerović A. POTENTIAL DUAL MECHANISM OF HYPOURICEMICACTIVITY OF DPP-4 INHIBITORS WITH PURINE-BASED SCAFFOLD. ACTA MEDICA MEDIANAE 2019. [DOI: 10.5633/amm.2019.0109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Ishizue N, Niwano S, Niwano H, Oikawa J, Nakamura H, Hashikata T, Igarashi T, Fujiishi T, Yoshizawa T, Kishihara J, Satoh A, Fukaya H, Ako J. Linagliptin Suppresses Electrical and Structural Remodeling in the Isoproterenol Induced Myocardial Injury Model. Int Heart J 2019; 60:411-418. [PMID: 30745531 DOI: 10.1536/ihj.18-226] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The effect of DPP-4 inhibitor on the electrical and structural remodeling in myocardial injury has not been evaluated. We hypothesized that linagliptin, DPP-4 inhibitor, suppresses myocardial remodeling in the isoproterenol (ISP)-induced myocardial injury model.Sprague-Dawley rats were assigned to 3 groups: 1) sham group, 2) ISP group (subcutaneous ISP injection of 70 mg/kg), and 3) ISP + linagliptin (ISP + Lin) (5 mg/kg/day, p.o.) group. Serum was sampled on day 1 (acute phase) and day 7 (sub-acute phase) to evaluate derivatives of reactive oxidative metabolites (d-ROMs). The electrophysiological study was performed in sub-acute phase for the evaluation of the ventricular effective refractory period (VERP) and monophasic action potential duration (MAPD). The VERP and MAPD were markedly prolonged in the ISP group in comparison with the sham (MAPD20: 14 ± 6 versus 11 ± 3 ms, MAPD90: 57 ± 8 versus 44 ± 7 ms, VERP: 74 ± 22 versus 38 ± 10 ms, P < 0.05). In contrast in the ISP + Lin group, such prolongations were suppressed, and the parameters were shorter than the ISP group (MAPD20: 9 ± 2 ms, MAPD90: 35 ± 6 ms, VERP: 52 ± 13 ms, P < 0.05). ISP treatment induced myocardial injury. The injured area was reduced in the ISP + Lin group in comparison with the ISP group (P < 0.05). Serum d-ROMs level in acute phase was higher in ISP group than the other 2 groups (sham: 214 ± 55 versus ISP: 404 ± 45 versus ISP + Lin: 337 ± 20 U.CARR, P < 0.05).Linagliptin suppressed structural and electrical changes, possibly through the antioxidative effect, in this myocardial injury model.
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Affiliation(s)
- Naruya Ishizue
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Shinichi Niwano
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Hiroe Niwano
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Jun Oikawa
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Hironori Nakamura
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Takehiro Hashikata
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Tazuru Igarashi
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Tamami Fujiishi
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Tomoharu Yoshizawa
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Jun Kishihara
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Akira Satoh
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Hidehira Fukaya
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
| | - Junya Ako
- Department of Cardiovascular Medicine, Kitasato University School of Medicine
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Öztürk B, Gürbüz AS, Durak ZE, Öztürk HS. Dipeptidyl peptidase-4 and adenosine deaminase enzyme levels in polycystic ovary syndrome. Gynecol Endocrinol 2019; 35:138-141. [PMID: 30394149 DOI: 10.1080/09513590.2018.1505847] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is one of the most common endocrinopathies in reproductive age women and insulin resistance (IR) and hyperinsulinism play a critical role in the pathogenesis. Glucagon-like peptide-1 (GLP-1), promotes insulin secretion, inhibits glucagon secretion. GLP-1 is degraded by dipeptidyl peptidase-4 (DPP-4). DPP-4, also interacts with adenosine deaminase (ADA). Therefore, IR may have a significant connection with ADA activity. The aim of this study is to compare levels of DPP-4 and ADA enzymes in PCOS and infertile patients. Forty-four patients with PCOS and 44 infertile patients with normal ovarian reserve were enrolled in the study. Serum ADA, DPP-4, AMH, glucose and insulin levels were measured. HOMA-IR method was used to assess insulin sensitivity. ADA, DPP-4, AMH, HOMA-IR (p < .05) and insulin levels (p < .01) were found to be increased in PCOS patients. Considering all study participants AMH levels were found to be positively correlated with ADA (r: 0.734) and DPP-4 (r: 0.449) levels. Also ADA levels were found to be positively correlated with DPP-4 (r: 0.472), insulin (r: 0.216) and HOMA-IR (r: 0.223). Our findings about the elevation of DPP-4 levels in patients with PCOS suggest that the use of DPP-4 inhibitors may be beneficial in treatment of these patients.
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Affiliation(s)
- Bahadır Öztürk
- a Department of Medical Biochemistry , Selcuk University Medical Faculty , Konya , TURKEY
| | | | - Zahide Esra Durak
- c Turkish Ministry of Health , Institution of Public Health , Ankara , TURKEY
| | - Hasan Serdar Öztürk
- d Department of Medical Biochemistry , Ankara University Medical Faculty , Ankara , TURKEY
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Ibrahim MA, Geddawy A, Abdel-Wahab S. Sitagliptin prevents isoproterenol-induced myocardial infarction in rats by modulating nitric oxide synthase enzymes. Eur J Pharmacol 2018; 829:63-69. [DOI: 10.1016/j.ejphar.2018.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 04/04/2018] [Accepted: 04/09/2018] [Indexed: 02/04/2023]
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Tomovic K, Lazarevic J, Kocic G, Deljanin-Ilic M, Anderluh M, Smelcerovic A. Mechanisms and pathways of anti-inflammatory activity of DPP-4 inhibitors in cardiovascular and renal protection. Med Res Rev 2018; 39:404-422. [DOI: 10.1002/med.21513] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 04/27/2018] [Accepted: 05/03/2018] [Indexed: 12/25/2022]
Affiliation(s)
- Katarina Tomovic
- Department of Pharmacy, Faculty of Medicine; University of Nis; Bulevar Dr Zorana Djindjica 81 18000 Nis Serbia
| | - Jelena Lazarevic
- Department of Chemistry, Faculty of Medicine; University of Nis; Bulevar Dr Zorana Djindjica 81 18000 Nis Serbia
| | - Gordana Kocic
- Institute of Biochemistry, Faculty of Medicine; University of Nis; Bulevar Dr Zorana Djindjica 81 18000 Nis Serbia
| | - Marina Deljanin-Ilic
- Institute for Cardiovascular Rehabilitation, Faculty of Medicine; University of Nis; 18205 Niska Banja Serbia
| | - Marko Anderluh
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy; University of Ljubljana; Askerceva 7 SI-1000 Ljubljana Slovenia
| | - Andrija Smelcerovic
- Department of Chemistry, Faculty of Medicine; University of Nis; Bulevar Dr Zorana Djindjica 81 18000 Nis Serbia
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Zhou Y, Guo Z, Yan W, Wang W. Cardiovascular effects of sitagliptin - An anti-diabetes medicine. Clin Exp Pharmacol Physiol 2018; 45:628-635. [DOI: 10.1111/1440-1681.12953] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 04/03/2018] [Accepted: 04/12/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Yi Zhou
- Department of Physiology and Pathophysiology; School of Basic Medical Sciences; Capital Medical University; Beijing China
| | - Zhiying Guo
- Department of Pathophysiology; School of Basic Medicine; Jining Medical University; Shandong China
- Beijing Key Laboratory of Metabolic Disorders Related Cardiovascular Diseases; Beijing China
| | - Wenjing Yan
- Department of Physiology and Pathophysiology; School of Basic Medical Sciences; Capital Medical University; Beijing China
| | - Wen Wang
- Department of Physiology and Pathophysiology; School of Basic Medical Sciences; Capital Medical University; Beijing China
- Beijing Key Laboratory of Metabolic Disorders Related Cardiovascular Diseases; Beijing China
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Worsening Heart Failure During the Use of DPP-4 Inhibitors: Pathophysiological Mechanisms, Clinical Risks, and Potential Influence of Concomitant Antidiabetic Medications. JACC-HEART FAILURE 2018. [PMID: 29525332 DOI: 10.1016/j.jchf.2017.12.016] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although dipeptidyl peptidase (DPP)-4 inhibitors have been reported to have a neutral effect on thromboembolic vaso-occlusive events in large-scale trials, they act to potentiate several endogenous peptides that can exert deleterious cardiovascular effects. Experimentally, DPP-4 inhibitors may augment the ability of glucagon-like peptide-1 to stimulate cyclic adenosine monophosphate in cardiomyocytes, and potentiation of the effects of stromal cell-derived factor-1 by DPP-4 inhibitors may aggravate cardiac fibrosis. These potentially deleterious actions of DPP-4 inhibitors might not become clinically apparent if these drugs were to promote sodium excretion. However, the natriuretic effect of DPP-4 inhibitors is modest, because they act on the distal (rather than proximal) renal tubules. Accordingly, both clinical trials and observational studies have reported an increase in the risk of heart failure in patients with type 2 diabetes who were receiving DPP-4 inhibitors. This risk may be muted in trials with a high prevalence of metformin use or with low and declining background use of insulin and thiazolidinediones. Still, the most vulnerable patients (i.e., those with established heart failure) were not well represented in these studies. The only trial that specifically evaluated patients with pre-existing left ventricular dysfunction observed important drug-related adverse structural and clinical effects. In conclusion, an increased risk of worsening heart failure appears to be a class effect of DPP-4 inhibitors, even in patients without a history of heart failure. Additional clinical trials are urgently needed to elucidate the benefits and risks of DPP-4 inhibitors in patients with established left ventricular dysfunction.
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Kabel AM, Atef A, Estfanous RS. Ameliorative potential of sitagliptin and/or resveratrol on experimentally-induced clear cell renal cell carcinoma. Biomed Pharmacother 2018; 97:667-674. [PMID: 29101811 DOI: 10.1016/j.biopha.2017.10.149] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 09/22/2017] [Accepted: 10/24/2017] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to assess the effect of sitagliptin with or without resveratrol on carcinogen-induced clear cell renal cell carcinoma. Sixty male Wistar rats were divided into 6 equal groups as follows: control; clear cell renal cell carcinoma group; clear cell renal cell carcinoma+sitagliptin group; clear cell renal cell carcinoma+resveratrol group; clear cell renal cell carcinoma+carboxymethyl cellulose group and clear cell renal cell carcinoma+sitagliptin+resveratrol group. Blood urea, serum creatinine, creatinine clearance, urinary N-acetyl beta-d-glucosaminidase (NAG), gamma glutamyl transpeptidase (GGT) and urinary albumin excretion rate (UAER) were determined. Renal tissue antioxidant enzymes, lactate dehydrogenase (LDH), nuclear factor (erythroid-derived 2)-like 2 (Nrf2), heme oxygenase-1 (HO-1), transforming growth factor beta-1 (TGF-β1), tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6) and signal transducers and activators of transcription-3 (STAT3) were determined. Parts of the kidneys were subjected to histopathological and immunohistochemical examination for nuclear factor kappa B (p65). Sitagliptin and/or resveratrol induced significant improvement of the renal functions with significant increase in tissue antioxidant defenses and Nrf2/HO-1 content associated with significant decrease in tissue LDH, TGF-β1, TNF-α, IL-6 and STAT3 and alleviated the histopathological and immunohistochemical changes compared to the untreated clear cell renal cell carcinoma group. These effects were significant in sitagliptin/resveratrol combination group compared to the use of each of these drugs alone. In conclusion, sitagliptin/resveratrol combination might represent a beneficial therapeutic modality for amelioration of experimentally-induced clear cell renal cell carcinoma.
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Affiliation(s)
- Ahmed M Kabel
- Pharmacology Department, Faculty of Medicine, Tanta University, Tanta, Egypt; Department of Clinical Pharmacy, College of Pharmacy, Taif University, Taif, Saudi Arabia.
| | - Aliaa Atef
- Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Remon S Estfanous
- Anatomy and Embryology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Xu B, Xu H, Cao H, Liu X, Qin C, Zhao Y, Han X, Li H. Intermedin improves cardiac function and sympathetic neural remodeling in a rat model of post myocardial infarction heart failure. Mol Med Rep 2017. [PMID: 28627670 PMCID: PMC5562092 DOI: 10.3892/mmr.2017.6776] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Emerging evidence has suggested that intermedin (IMD), a novel member of the calcitonin gene-related peptide (CGRP) family, has a wide range of cardioprotective effects. The present study investigated the effects of long-term administration of IMD on cardiac function and sympathetic neural remodeling in heart failure (HF) rats, and studied potential underlying mechanism. HF was induced in rats by myocardial infarction (MI). Male Sprague Dawley rats were randomly assigned to either saline or IMD (0.6 µg/kg/h) treatment groups for 4 weeks post-MI. Another group of sham-operated rats served as controls. Cardiac function was assessed by echocardiography, cardiac catheterization and plasma level of B-type natriuretic peptide (BNP). Cardiac sympathetic neural remodeling was assessed by immunohistochemistical study of tyrosine hydroxylase (TH) and growth associated protein 43 (GAP43) immunoreactive nerve fibers. The protein expression levels of nerve growth factor (NGF), TH and GAP43 in the ventricular myocardium were studied by western blotting. Ventricular fibrillation threshold (VFT) was determined to evaluate the incidence of ventricular arrhythmia. Oxidative stress was assessed by detecting the activity of superoxide dismutase and the level of malondialdehyde. Compared with rats administrated with saline, IMD significantly improved cardiac function, decreased the plasma BNP level, attenuated sympathetic neural remodeling, increased VFT and suppressed oxidative stress. In conclusion, these results indicated that IMD prevents ventricle remodeling and improves the performance of a failing heart. In addition, IMD attenuated sympathetic neural remodeling and reduced the incidence of ventricular arrhythmia, which may contribute to its anti-oxidative property. These results implicate IMD as a potential therapeutic agent for the treatment of HF.
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Affiliation(s)
- Bin Xu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Hao Xu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Heng Cao
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Xiaoxiao Liu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Chunhuan Qin
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Yanzhou Zhao
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Xiaolin Han
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
| | - Hongli Li
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P.R. China
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