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Diz-Chaves Y, Herrera-Pérez S, González-Matías LC, Mallo F. Effects of Glucagon-like peptide 1 (GLP-1) analogs in the hippocampus. VITAMINS AND HORMONES 2022; 118:457-478. [PMID: 35180937 DOI: 10.1016/bs.vh.2021.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The glucagon-like peptide-1 (GLP-1) is a pleiotropic hormone very well known for its incretin effect in the glucose-dependent stimulation of insulin secretion. However, GLP-1 is also produced in the brain, and it displays critical roles in neuroprotection by activating the GLP-1 receptor signaling pathways. GLP-1 enhances learning and memory in the hippocampus, promotes neurogenesis, decreases inflammation and apoptosis, modulates reward behavior, and reduces food intake. Its pharmacokinetics have been improved to enhance the peptide's half-life, enhancing exposure and time of action. The GLP-1 agonists are successfully in clinical use for the treatment of type-2 diabetes, obesity, and clinical evaluation for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Yolanda Diz-Chaves
- Laboratory of Endocrinology, Biomedical Research Center (CINBIO), University of Vigo, Vigo, Spain.
| | - Salvador Herrera-Pérez
- Laboratory of Neuroscience, Biomedical Research Center (CINBIO), University of Vigo, Vigo, Spain
| | - Lucas C González-Matías
- Laboratory of Endocrinology, Biomedical Research Center (CINBIO), University of Vigo, Vigo, Spain
| | - Federico Mallo
- Laboratory of Endocrinology, Biomedical Research Center (CINBIO), University of Vigo, Vigo, Spain
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Przezak A, Bielka W, Pawlik A. Incretins in the Therapy of Diabetic Kidney Disease. Int J Mol Sci 2021; 22:ijms222212312. [PMID: 34830194 PMCID: PMC8617946 DOI: 10.3390/ijms222212312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 12/17/2022] Open
Abstract
Diabetic kidney disease is a microvascular complication that occurs in patients with diabetes. It is strongly associated with increased risk of kidney replacement therapy and all-cause mortality. Incretins are peptide hormones derived from the gastrointestinal tract, that besides causing enhancement of insulin secretion after oral glucose intake, participate in many other metabolic processes. Antidiabetic drug classes, such as dipeptidyl peptidase 4 inhibitors and glucagon-like peptide receptor agonists, which way of action is based on incretins facility, not only show glucose-lowering properties but also have nephroprotective functions. The aim of this article is to present the latest information about incretin-based therapy and its influence on diabetic kidney disease appearance and progression, point its potential mechanisms of kidney protection and focus on future therapeutic possibilities bound with these two antidiabetic drug classes.
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Alicic RZ, Cox EJ, Neumiller JJ, Tuttle KR. Incretin drugs in diabetic kidney disease: biological mechanisms and clinical evidence. Nat Rev Nephrol 2021; 17:227-244. [PMID: 33219281 DOI: 10.1038/s41581-020-00367-2] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/16/2020] [Indexed: 01/30/2023]
Abstract
As the prevalence of diabetes continues to climb, the number of individuals living with diabetic complications will reach an unprecedented magnitude. The emergence of new glucose-lowering agents - sodium-glucose cotransporter 2 inhibitors and incretin therapies - has markedly changed the treatment landscape of type 2 diabetes mellitus. In addition to effectively lowering glucose, incretin drugs, which include glucagon-like peptide 1 receptor (GLP1R) agonists and dipeptidyl peptidase 4 (DPP4) inhibitors, can also reduce blood pressure, body weight, the risk of developing or worsening chronic kidney disease and/or atherosclerotic cardiovascular events, and the risk of death. Although kidney disease events have thus far been secondary outcomes in clinical trials, an ongoing phase III trial in patients with diabetic kidney disease will test the effect of a GLP1R agonist on a primary kidney disease outcome. Experimental data have identified the modulation of innate immunity and inflammation as plausible biological mechanisms underpinning the kidney-protective effects of incretin-based agents. These drugs block the mechanisms involved in the pathogenesis of kidney damage, including the activation of resident mononuclear phagocytes, tissue infiltration by non-resident inflammatory cells, and the production of pro-inflammatory cytokines and adhesion molecules. GLP1R agonists and DPP4 inhibitors might also attenuate oxidative stress, fibrosis and cellular apoptosis in the kidney.
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Affiliation(s)
- Radica Z Alicic
- Providence Medical Research Center, Providence Health Care, Spokane, WA, USA.,Department of Medicine, University of Washington School of Medicine, Spokane and Seattle, WA, USA
| | - Emily J Cox
- Providence Medical Research Center, Providence Health Care, Spokane, WA, USA
| | - Joshua J Neumiller
- Department of Pharmacotherapy, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, WA, USA
| | - Katherine R Tuttle
- Providence Medical Research Center, Providence Health Care, Spokane, WA, USA. .,Nephrology Division, Kidney Research Institute and Institute of Translational Health Sciences, University of Washington, Spokane and Seattle, WA, USA.
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Maskery MP, Holscher C, Jones SP, Price CI, Strain WD, Watkins CL, Werring DJ, Emsley HCA. Glucagon-like peptide-1 receptor agonists as neuroprotective agents for ischemic stroke: a systematic scoping review. J Cereb Blood Flow Metab 2021; 41:14-30. [PMID: 32954901 PMCID: PMC7747170 DOI: 10.1177/0271678x20952011] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 07/18/2020] [Indexed: 12/21/2022]
Abstract
Stroke mortality and morbidity is expected to rise. Despite considerable recent advances within acute ischemic stroke treatment, scope remains for development of widely applicable neuroprotective agents. Glucagon-like peptide-1 receptor agonists (GLP-1RAs), originally licensed for the management of Type 2 Diabetes Mellitus, have demonstrated pre-clinical neuroprotective efficacy in a range of neurodegenerative conditions. This systematic scoping review reports the pre-clinical basis of GLP-1RAs as neuroprotective agents in acute ischemic stroke and their translation into clinical trials. We included 35 pre-clinical studies, 11 retrospective database studies, 7 cardiovascular outcome trials and 4 prospective clinical studies. Pre-clinical neuroprotection was demonstrated in normoglycemic models when administration was delayed by up to 24 h following stroke induction. Outcomes included reduced infarct volume, apoptosis, oxidative stress and inflammation alongside increased neurogenesis, angiogenesis and cerebral blood flow. Improved neurological function and a trend towards increased survival were also reported. Cardiovascular outcomes trials reported a significant reduction in stroke incidence with semaglutide and dulaglutide. Retrospective database studies show a trend towards neuroprotection. Prospective interventional clinical trials are on-going, but initial indicators of safety and tolerability are favourable. Ultimately, we propose that repurposing GLP-1RAs is potentially advantageous but appropriately designed trials are needed to determine clinical efficacy and cost-effectiveness.
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Affiliation(s)
- Mark P Maskery
- Lancaster Medical School, Lancaster University, Lancaster, UK
- Department of Neurology, Royal Preston Hospital, Preston, UK
| | - Christian Holscher
- Research and Experimental Center, Henan University of Chinese Medicine, Zhengzhou, Henan Province, China
| | - Stephanie P Jones
- Faculty of Health and Wellbeing, University of Central Lancashire, Preston, UK
| | - Christopher I Price
- Institute of Neuroscience, Stroke Research Group, Newcastle University, Newcastle, UK
| | - W David Strain
- NIHR Exeter Clinical Research Facility and Institute of Biomedical and Clinical Science, University of Exeter Medical School, Royal Devon & Exeter NHS Foundation Trust, Exeter, UK
| | - Caroline L Watkins
- Faculty of Health and Wellbeing, University of Central Lancashire, Preston, UK
| | - David J Werring
- Stroke Research Centre, Department of Brain Repair and Rehabilitation, UCL Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK
| | - Hedley CA Emsley
- Lancaster Medical School, Lancaster University, Lancaster, UK
- Department of Neurology, Royal Preston Hospital, Preston, UK
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Rational Design of Hybrid Peptides: A Novel Drug Design Approach. Curr Med Sci 2019; 39:349-355. [PMID: 31209802 DOI: 10.1007/s11596-019-2042-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 05/15/2019] [Indexed: 12/16/2022]
Abstract
Peptides play crucial roles in various physiological and pathological processes. Consequently, the investigation of peptide-based drugs is a highlight in the research and development of new drugs. However, natural peptides are not always ideal choices for clinical application due to their limited number and sometimes cytotoxicity to normal cells. Aiming to gain stronger or specific or novel biological effects and overcome the disadvantages of natural peptides, artificial hybrid peptides have been designed by combining the sequence of two or more different peptides with varied biological functions. Compared to natural peptides, hybrid peptides have shown better therapeutic potentials against bacteria, tumors, and metabolic diseases. In this review, design strategies, structure features and recent development of hybrid peptides are summarized; future directions for the research and development of hybrid peptide drugs are also discussed.
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Yang C, Huang K. Clinical Applications of Virus-like Particles: Opportunities and Challenges. Curr Protein Pept Sci 2019; 20:488-489. [PMID: 30942144 DOI: 10.2174/138920372005190327120752] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Chen Yang
- Tongji School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Kun Huang
- Tongji School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Kuipers A, de Vries L, de Vries MP, Rink R, Bosma T, Moll GN. Semi-microbiological synthesis of an active lysinoalanine-bridged analog of glucagon-like-peptide-1. Peptides 2017; 91:33-39. [PMID: 28300673 DOI: 10.1016/j.peptides.2017.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 03/03/2017] [Accepted: 03/07/2017] [Indexed: 10/20/2022]
Abstract
Some modified glucagon-like-peptide-1 (GLP-1) analogs are highly important for treating type 2 diabetes. Here we investigated whether GLP-1 analogs expressed in Lactococcus lactis could be substrates for modification and export by the nisin dehydratase and transporter enzyme. Subsequently we introduced a lysinoalanine by coupling a formed dehydroalanine with a lysine and investigated the structure and activity of the formed lysinoalanine-bridged GLP-1 analog. Our data show: (i) GLP-1 fused to the nisin leader peptide is very well exported via the nisin transporter NisT, (ii) production of leader-GLP-1 via NisT is higher than via the SEC system, (iii) leader-GLP-1 exported via NisT was more efficiently dehydrated by the nisin dehydratase NisB than when exported via the SEC system, (iv) individual serines and threonines in GLP-1 are dehydrated by NisB to a significantly different extent, (v) an introduced Ser30 is well dehydrated and can be coupled to Lys34 to form a lysinoalanine-bridged GLP-1 analog, (vi) a lysinoalanine(30-34) variant's conformation shifts in the presence of 25% trifluoroethanol towards a higher alpha helix content than observed for wild type GLP-1 under identical condition, (vii) a lysinoalanine(30-34) GLP-1 variant has retained significant activity. Taken together the data extend knowledge on the substrate specificities of NisT and NisB and their combined activity relative to export via the Sec system, and demonstrate that introducing a lysinoalanine bridge is an option for modifying therapeutic peptides.
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Affiliation(s)
- Anneke Kuipers
- Lanthio Pharma, a MorphoSys AG company, 9727 DL Groningen, The Netherlands
| | - Louwe de Vries
- Lanthio Pharma, a MorphoSys AG company, 9727 DL Groningen, The Netherlands
| | - Marcel P de Vries
- Mass Spectrometry Core Facility, Department of Pharmacy, University of Groningen, 9713 AV Groningen, The Netherlands; Department of Pediatrics, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Rick Rink
- Lanthio Pharma, a MorphoSys AG company, 9727 DL Groningen, The Netherlands
| | - Tjibbe Bosma
- Lanthio Pharma, a MorphoSys AG company, 9727 DL Groningen, The Netherlands
| | - Gert N Moll
- Lanthio Pharma, a MorphoSys AG company, 9727 DL Groningen, The Netherlands; Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG Groningen, The Netherlands.
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