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Barbosa-Ferreira BDS, da Silva FER, Gomes-Vasconcelos YDA, Joca HC, Coelho-de-Souza AN, Ferreira-da-Silva FW, Leal-Cardoso JH, da Silva-Alves KS. Anethole Prevents the Alterations Produced by Diabetes Mellitus in the Sciatic Nerve of Rats. Int J Mol Sci 2024; 25:8133. [PMID: 39125701 PMCID: PMC11312180 DOI: 10.3390/ijms25158133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 08/12/2024] Open
Abstract
Anethole is a terpenoid with antioxidant, anti-inflammatory, and neuronal blockade effects, and the present work was undertaken to study the neuroprotective activity of anethole against diabetes mellitus (DM)-induced neuropathy. Streptozotocin-induced DM rats were used to investigate the effects of anethole treatment on morphological, electrophysiological, and biochemical alterations of the sciatic nerve (SN). Anethole partially prevented the mechanical hyposensitivity caused by DM and fully prevented the DM-induced decrease in the cross-sectional area of the SN. In relation to electrophysiological properties of SN fibers, DM reduced the frequency of occurrence of the 3rd component of the compound action potential (CAP) by 15%. It also significantly reduced the conduction velocity of the 1st and 2nd CAP components from 104.6 ± 3.47 and 39.8 ± 1.02 to 89.9 ± 3.03 and 35.4 ± 1.56 m/s, respectively, and increased the duration of the 2nd CAP component from 0.66 ± 0.04 to 0.82 ± 0.09 ms. DM also increases oxidative stress in the SN, altering values related to thiol, TBARS, SOD, and CAT activities. Anethole was capable of fully preventing all these DM electrophysiological and biochemical alterations in the nerve. Thus, the magnitude of the DM-induced neural effects seen in this work, and the prevention afforded by anethole treatment, place this compound in a very favorable position as a potential therapeutic agent for treating diabetic peripheral neuropathy.
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Affiliation(s)
- Bianca de Sousa Barbosa-Ferreira
- Laboratory of Electrophysiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
| | | | - Yuri de Abreu Gomes-Vasconcelos
- Laboratory of Experimental Physiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
| | - Humberto Cavalcante Joca
- Laboratory of Electrophysiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
| | - Andrelina Noronha Coelho-de-Souza
- Laboratory of Experimental Physiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
| | - Francisco Walber Ferreira-da-Silva
- Laboratory of Electrophysiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
- Center of Exact Science and Technology, State University of Vale do Acaraú, Sobral 62.040-370, Ceará, Brazil
| | - José Henrique Leal-Cardoso
- Laboratory of Electrophysiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
| | - Kerly Shamyra da Silva-Alves
- Laboratory of Electrophysiology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza 60.714-903, Ceará, Brazil
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2
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James CF, Tripathi S, Karampatou K, Gladston DV, Pappachan JM. Pharmacotherapy of Painful Diabetic Neuropathy: A Clinical Update. SISLI ETFAL HASTANESI TIP BULTENI 2022; 56:1-20. [PMID: 35515975 PMCID: PMC9040305 DOI: 10.14744/semb.2021.54670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 12/30/2021] [Indexed: 02/08/2023]
Abstract
The rising prevalence of diabetes mellitus (DM) leads on to an increase in chronic diabetic complications. Diabetic peripheral neuropathies (DPNs) are common chronic complications of diabetes. Distal symmetric polyneuropathy is the most prevalent form. Most patients with DPN will remain pain-free; however, painful DPN (PDPN) occurs in 6-34% of all DM patients and is associated with reduced health-related-quality-of-life and substantial economic burden. Symptomatic treatment of PDPN and diabetic autonomic neuropathy is the key treatment goals. Using certain patient related characteristics, subjects with PDPN can be stratified and assigned targeted therapies to produce better pain outcomes. The aim of this review is to discuss the various pathogenetic mechanisms of DPN with special reference to the mechanisms leading to PDPN and the various pharmacological and non-pharmacological therapies available for its management. Recommended pharmacological therapies include anticonvulsants, antidepressants, opioid analgesics, and topical medications.
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Affiliation(s)
- Cornelius Fernandez James
- Department of Endocrinology & Metabolism, Pilgrim Hospital, United Lincolnshire Hospitals NHS Trust, United Kingdom
| | - Shiva Tripathi
- Department of Anaesthesia & Pain Management, Lancashire Teaching Hospitals NHS Trust, United Kingdom
| | - Kyriaki Karampatou
- Department of Endocrinology & Metabolism, Lancashire Teaching Hospitals NHS Trust, United Kingdom
| | - Divya V Gladston
- Department of Anaesthesiology, Regional Cancer Centre, Thiruvananthapuram, India
| | - Joseph M Pappachan
- Department of Endocrinology & Metabolism, Lancashire Teaching Hospitals NHS Trust, United Kingdom; The University of Manchester, Manchester, UK; Manchester Metropolitan University, Manchester, UK
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Silva-Alves KS, Ferreira-da-Silva FW, Coelho-de-Souza AN, Leal-Cardoso JH. Essential Oil of Croton zehntneri Prevents Conduction Alterations Produced by Diabetes Mellitus on Vagus Nerve. PLANTS 2021; 10:plants10050893. [PMID: 33925228 PMCID: PMC8146017 DOI: 10.3390/plants10050893] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 12/30/2022]
Abstract
Autonomic diabetic neuropathy (ADN) is a complication of diabetes mellitus (DM), to which there is no specific treatment. In this study, the efficacy of the essential oil of Croton zehntneri (EOCz) in preventing ADN was evaluated in the rat vagus nerve. For the two fastest conducting myelinated types of axons of the vagus nerve, the conduction velocities and rheobase decreased, whilst the duration of the components of the compound action potential of these fibers increased. EOCz completely prevented these DM-induced alterations of the vagus nerve. Unmyelinated fibers were not affected. In conclusion, this investigation demonstrated that EOCz is a potential therapeutic agent for the treatment of ADN.
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Affiliation(s)
- Kerly Shamyra Silva-Alves
- Laboratory of Electrophysiology, Superior Institute of Biomedical Science, State University of Ceará, Fortaleza CEP 60.740-000, Brazil; (K.S.S.-A.); (F.W.F.-d.-S.); (A.N.C.-d.-S.)
| | - Francisco Walber Ferreira-da-Silva
- Laboratory of Electrophysiology, Superior Institute of Biomedical Science, State University of Ceará, Fortaleza CEP 60.740-000, Brazil; (K.S.S.-A.); (F.W.F.-d.-S.); (A.N.C.-d.-S.)
- Center of Exact Sciences and Technology, State University of Vale do Acaraú, Sobral CEP 62.042-030, Brazil
| | - Andrelina Noronha Coelho-de-Souza
- Laboratory of Electrophysiology, Superior Institute of Biomedical Science, State University of Ceará, Fortaleza CEP 60.740-000, Brazil; (K.S.S.-A.); (F.W.F.-d.-S.); (A.N.C.-d.-S.)
- Laboratory of Experimental Physiology, Superior Institute of Biomedical Science, State University of Ceará, Fortaleza CEP 60.740-000, Brazil
| | - José Henrique Leal-Cardoso
- Laboratory of Electrophysiology, Superior Institute of Biomedical Science, State University of Ceará, Fortaleza CEP 60.740-000, Brazil; (K.S.S.-A.); (F.W.F.-d.-S.); (A.N.C.-d.-S.)
- Correspondence: ; Tel.: +55-85-3101-9814
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Rajbhandari J, Fernandez CJ, Agarwal M, Yeap BXY, Pappachan JM. Diabetic heart disease: A clinical update. World J Diabetes 2021; 12:383-406. [PMID: 33889286 PMCID: PMC8040078 DOI: 10.4239/wjd.v12.i4.383] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/27/2021] [Accepted: 03/13/2021] [Indexed: 02/06/2023] Open
Abstract
Diabetes mellitus (DM) significantly increases the risk of heart disease, and DM-related healthcare expenditure is predominantly for the management of cardiovascular complications. Diabetic heart disease is a conglomeration of coronary artery disease (CAD), cardiac autonomic neuropathy (CAN), and diabetic cardiomyopathy (DCM). The Framingham study clearly showed a 2 to 4-fold excess risk of CAD in patients with DM. Pathogenic mechanisms, clinical presentation, and management options for DM-associated CAD are somewhat different from CAD among nondiabetics. Higher prevalence at a lower age and more aggressive disease in DM-associated CAD make diabetic individuals more vulnerable to premature death. Although common among diabetic individuals, CAN and DCM are often under-recognised and undiagnosed cardiac complications. Structural and functional alterations in the myocardial innervation related to uncontrolled diabetes result in damage to cardiac autonomic nerves, causing CAN. Similarly, damage to the cardiomyocytes from complex pathophysiological processes of uncontrolled DM results in DCM, a form of cardiomyopathy diagnosed in the absence of other causes for structural heart disease. Though optimal management of DM from early stages of the disease can reduce the risk of diabetic heart disease, it is often impractical in the real world due to many reasons. Therefore, it is imperative for every clinician involved in diabetes care to have a good understanding of the pathophysiology, clinical picture, diagnostic methods, and management of diabetes-related cardiac illness, to reduce morbidity and mortality among patients. This clinical review is to empower the global scientific fraternity with up-to-date knowledge on diabetic heart disease.
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Affiliation(s)
- Jake Rajbhandari
- College of Medical and Dental Sciences, University of Birmingham Medical School, Birmingham B15 2TH, United Kingdom
| | | | - Mayuri Agarwal
- Department of Endocrinology and Metabolism, Pilgrim Hospital, Boston PE21 9QS, United Kingdom
| | - Beverly Xin Yi Yeap
- Department of Medicine, The University of Manchester Medical School, Manchester M13 9PL, United Kingdom
| | - Joseph M Pappachan
- Department of Endocrinology and Metabolism, Lancashire Teaching Hospitals NHS Trust, Preston PR2 9HT, United Kingdom
- Faculty of Science, Manchester Metropolitan University, Manchester M15 6BH, United Kingdom
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, United Kingdom
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Deng F, Zheng X, Sharma I, Dai Y, Wang Y, Kanwar YS. Regulated cell death in cisplatin-induced AKI: relevance of myo-inositol metabolism. Am J Physiol Renal Physiol 2021; 320:F578-F595. [PMID: 33615890 PMCID: PMC8083971 DOI: 10.1152/ajprenal.00016.2021] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 12/14/2022] Open
Abstract
Regulated cell death (RCD), distinct from accidental cell death, refers to a process of well-controlled programmed cell death with well-defined pathological mechanisms. In the past few decades, various terms for RCDs were coined, and some of them have been implicated in the pathogenesis of various types of acute kidney injury (AKI). Cisplatin is widely used as a chemotherapeutic drug for a broad spectrum of cancers, but its usage was hampered because of being highly nephrotoxic. Cisplatin-induced AKI is commonly seen clinically, and it also serves as a well-established prototypic model for laboratory investigations relevant to acute nephropathy affecting especially the tubular compartment. Literature reports over a period of three decades have indicated that there are multiple types of RCDs, including apoptosis, necroptosis, pyroptosis, ferroptosis, and mitochondrial permeability transition-mediated necrosis, and some of them are pertinent to the pathogenesis of cisplatin-induced AKI. Interestingly, myo-inositol metabolism, a vital biological process that is largely restricted to the kidney, seems to be relevant to the pathogenesis of certain forms of RCDs. A comprehensive understanding of RCDs in cisplatin-induced AKI and their relevance to myo-inositol homeostasis may yield novel therapeutic targets for the amelioration of cisplatin-related nephropathy.
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Affiliation(s)
- Fei Deng
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
| | - Xiaoping Zheng
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Isha Sharma
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
| | - Yingbo Dai
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Urology, The Fifth Affiliated Hospital of Sun Yet-Sen University, Zhuhai, China
| | - Yinhuai Wang
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yashpal S Kanwar
- Department of Pathology, Northwestern University, Chicago, Illinois
- Department of Medicine, Northwestern University, Chicago, Illinois
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Souza KCLD, Martins JER, Modesto Filho AN, Fortes JPA, Silva DSD, Santos-Júnior FFU, Ceccatto VM. FUNCTIONAL ANALYSIS OF GAIT WITH INSOLE USE IN DIABETIC FEMALE RATS: A CROSS-SECTIONAL STUDY. REV BRAS MED ESPORTE 2020. [DOI: 10.1590/1517-8692202026052020_0017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Introduction: Diabetes mellitus is a chronic disease that is characterized by causing damage to the peripheral nervous system, generating sensory and motor changes. Objective: This study aims at analyzing the impact of the use of different orthotic insoles on the gait of diabetic female rats. Methods: Twenty-six female Wistar rats were randomly divided into the Control and Diabetic groups. The mechanical sensitivity test was performed manually on the surface of the animals' hind paws using the von Frey test. The functional evaluation was carried out on an adapted platform where the animals were stimulated to walk in order to capture images of the ventral region for measurements of the right and left hind paws. After the images were collected they were processed using Kinovea software version 0.8.27 to assess: stride distance, time, speed and acceleration. Results: There was a reduction in the weight of the animals in the Diabetic Group (p = 0.0018), associated with hyperglycemia (p = <0.0001), and a decrease in mechanical sensitivity as compared to the Control Group (p = 0.0372). Gait analysis showed a reduction in stride speed (p = 0.0482) and acceleration (p = 0.0149), with the silicone orthosis in the Diabetic Group. Conclusions: The silicone orthosis demonstrated a reduction in stride speed and acceleration, without compromising the other variables in the diabetic rats. The other insoles showed no functional difference between groups. Even though the animals showed a change in sensitivity at the end of 28 days of DM induction, this time does not appear to have been able to develop extensive changes in the rats' gait function. Level of evidence II; Therapeutic studies - Investigating the Results of Treatment.
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Gyimesi G, Pujol-Giménez J, Kanai Y, Hediger MA. Sodium-coupled glucose transport, the SLC5 family, and therapeutically relevant inhibitors: from molecular discovery to clinical application. Pflugers Arch 2020; 472:1177-1206. [PMID: 32767111 PMCID: PMC7462921 DOI: 10.1007/s00424-020-02433-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 06/24/2020] [Accepted: 07/02/2020] [Indexed: 02/06/2023]
Abstract
Sodium glucose transporters (SGLTs) belong to the mammalian solute carrier family SLC5. This family includes 12 different members in human that mediate the transport of sugars, vitamins, amino acids, or smaller organic ions such as choline. The SLC5 family belongs to the sodium symporter family (SSS), which encompasses transporters from all kingdoms of life. It furthermore shares similarity to the structural fold of the APC (amino acid-polyamine-organocation) transporter family. Three decades after the first molecular identification of the intestinal Na+-glucose cotransporter SGLT1 by expression cloning, many new discoveries have evolved, from mechanistic analysis to molecular genetics, structural biology, drug discovery, and clinical applications. All of these advances have greatly influenced physiology and medicine. While SGLT1 is essential for fast absorption of glucose and galactose in the intestine, the expression of SGLT2 is largely confined to the early part of the kidney proximal tubules, where it reabsorbs the bulk part of filtered glucose. SGLT2 has been successfully exploited by the pharmaceutical industry to develop effective new drugs for the treatment of diabetic patients. These SGLT2 inhibitors, termed gliflozins, also exhibit favorable nephroprotective effects and likely also cardioprotective effects. In addition, given the recent finding that SGLT2 is also expressed in tumors of pancreas and prostate and in glioblastoma, this opens the door to potential new therapeutic strategies for cancer treatment by specifically targeting SGLT2. Likewise, further discoveries related to the functional association of other SGLTs of the SLC5 family to human pathologies will open the door to potential new therapeutic strategies. We furthermore hope that the herein summarized information about the physiological roles of SGLTs and the therapeutic benefits of the gliflozins will be useful for our readers to better understand the molecular basis of the beneficial effects of these inhibitors, also in the context of the tubuloglomerular feedback (TGF), and the renin-angiotensin system (RAS). The detailed mechanisms underlying the clinical benefits of SGLT2 inhibition by gliflozins still warrant further investigation that may serve as a basis for future drug development.
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Affiliation(s)
- Gergely Gyimesi
- Membrane Transport Discovery Lab, Department of Nephrology and Hypertension, and Department of Biomedical Research, Inselspital, University of Bern, Kinderklinik, Office D845, Freiburgstrasse 15, CH-3010, Bern, Switzerland
| | - Jonai Pujol-Giménez
- Membrane Transport Discovery Lab, Department of Nephrology and Hypertension, and Department of Biomedical Research, Inselspital, University of Bern, Kinderklinik, Office D845, Freiburgstrasse 15, CH-3010, Bern, Switzerland
| | - Yoshikatsu Kanai
- Department of Bio-system Pharmacology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Matthias A Hediger
- Membrane Transport Discovery Lab, Department of Nephrology and Hypertension, and Department of Biomedical Research, Inselspital, University of Bern, Kinderklinik, Office D845, Freiburgstrasse 15, CH-3010, Bern, Switzerland.
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De Paepe B, Merckx C, Jarošová J, Cannizzaro M, De Bleecker JL. Myo-Inositol Transporter SLC5A3 Associates with Degenerative Changes and Inflammation in Sporadic Inclusion Body Myositis. Biomolecules 2020; 10:biom10040521. [PMID: 32235474 PMCID: PMC7226596 DOI: 10.3390/biom10040521] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/20/2020] [Accepted: 03/26/2020] [Indexed: 12/15/2022] Open
Abstract
Myo-inositol exerts many cellular functions, which include osmo-protection, membrane functioning, and secondary messaging. Its Na+/myo-inositol co-transporter SLC5A3 is expressed in muscle tissue and further accumulates in myositis. In this study we focused on the peculiar subgroup of sporadic inclusion body myositis (IBM), in which auto-inflammatory responses and degenerative changes co-exist. A cohort of nine patients was selected with clinically confirmed IBM, in which SLC5A3 protein was immune-localized to the different tissue constituents using immunofluorescence, and expression levels were evaluated using Western blotting. In normal muscle tissue, SLC5A3 expression was restricted to blood vessels and occasional low levels on muscle fiber membranes. In IBM tissues, SLC5A3 staining was markedly increased, with discontinuous staining of the muscle fiber membranes, and accumulation of SLC5A3 near inclusions and on the rims of vacuoles. A subset of muscle-infiltrating auto-aggressive immune cells was SLC5A3 positive, of which most were T-cells and M1 lineage macrophages. We conclude that SLC5A3 is overexpressed in IBM muscle, where it associates with protein aggregation and inflammatory infiltration. Based on our results, functional studies could be initiated to explore the possibilities of therapeutic osmolyte pathway intervention for preventing protein aggregation in muscle cells.
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