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Peng D, Li Y, Si L, Zhu B, Wu P, Li Y, Tang D, Liu Y, Zhang Y. A two-step method preparation of semaglutide through solid-phase synthesis and inclusion body expression. Protein Expr Purif 2024; 219:106477. [PMID: 38527576 DOI: 10.1016/j.pep.2024.106477] [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: 01/12/2024] [Revised: 03/11/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
Semaglutide is currently the most promising antidiabetic drug, especially for the treatment of type 2 diabetes mellitus, due to its excellent efficacy in glycemic control and weight loss. However, the production of semaglutide remains high cost, and high yield, low cost, and high purity still remains a challenge. Herein, we reported a convenient and high-yield strategy for the preparation of semaglutide through fragmented condensation coupling, involving solid-phase peptide synthesis of tetrapeptide and on-column refolding and on-column enzyme cleavage based inclusion body expression of Lys26Arg34GLP-1 (11-37) with fused protein tags in an X-Y-D4K-G pattern. The optimized N-terminal protein tag significantly boosts inclusion body expression level, while on-column refolding and on-column enzyme cleavage avoid precipitation, enhancing efficiency and yield together with one-step purification. The successful preparation of semaglutide is expected to achieve large-scale industrial production with low cost, high yield and high purity.
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Affiliation(s)
- Dezheng Peng
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Yang Li
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Linlin Si
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Bo Zhu
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Peng Wu
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Yibang Li
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China
| | - Dongfang Tang
- Department of Chemical and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, 425199, Hunan, China
| | - Yu Liu
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China; Shenzhen Pengtai Biotechnology Co., Ltd, Shenzhen, 518000, Guangdong, China.
| | - Yunxiao Zhang
- School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China; Key Laboratory of Hunan Province for Advanced Carbon-based Functional Materials, School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, Hunan, China.
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Fang H, Ding Y, Xia S, Chen Q, Niu B. Loureirin B promotes insulin secretion through GLP-1R and AKT/PDX1 pathways. Eur J Pharmacol 2022; 936:175377. [DOI: 10.1016/j.ejphar.2022.175377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
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Huang W, Chen YY, Li ZQ, He FF, Zhang C. Recent Advances in the Emerging Therapeutic Strategies for Diabetic Kidney Diseases. Int J Mol Sci 2022; 23:ijms231810882. [PMID: 36142794 PMCID: PMC9506036 DOI: 10.3390/ijms231810882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/10/2022] [Accepted: 09/15/2022] [Indexed: 12/06/2022] Open
Abstract
Diabetic kidney disease (DKD) is one of the most common causes of end-stage renal disease worldwide. The treatment of DKD is strongly associated with clinical outcomes in patients with diabetes mellitus. Traditional therapeutic strategies focus on the control of major risk factors, such as blood glucose, blood lipids, and blood pressure. Renin–angiotensin–aldosterone system inhibitors have been the main therapeutic measures in the past, but the emergence of sodium–glucose cotransporter 2 inhibitors, incretin mimetics, and endothelin-1 receptor antagonists has provided more options for the management of DKD. Simultaneously, with advances in research on the pathogenesis of DKD, some new therapies targeting renal inflammation, fibrosis, and oxidative stress have gradually entered clinical application. In addition, some recently discovered therapeutic targets and signaling pathways, mainly in preclinical and early clinical trial stages, are expected to provide benefits for patients with DKD in the future. This review summarizes the traditional treatments and emerging management options for DKD, demonstrating recent advances in the therapeutic strategies for DKD.
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Jagomäe T, Seppa K, Reimets R, Pastak M, Plaas M, Hickey MA, Kukker KG, Moons L, De Groef L, Vasar E, Kaasik A, Terasmaa A, Plaas M. Early Intervention and Lifelong Treatment with GLP1 Receptor Agonist Liraglutide in a Wolfram Syndrome Rat Model with an Emphasis on Visual Neurodegeneration, Sensorineural Hearing Loss and Diabetic Phenotype. Cells 2021; 10:cells10113193. [PMID: 34831417 PMCID: PMC8623088 DOI: 10.3390/cells10113193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/11/2021] [Accepted: 11/14/2021] [Indexed: 01/11/2023] Open
Abstract
Wolfram syndrome (WS), also known as a DIDMOAD (diabetes insipidus, early-onset diabetes mellitus, optic nerve atrophy and deafness) is a rare autosomal disorder caused by mutations in the Wolframin1 (WFS1) gene. Previous studies have revealed that glucagon-like peptide-1 receptor agonist (GLP1 RA) are effective in delaying and restoring blood glucose control in WS animal models and patients. The GLP1 RA liraglutide has also been shown to have neuroprotective properties in aged WS rats. WS is an early-onset, chronic condition. Therefore, early diagnosis and lifelong pharmacological treatment is the best solution to control disease progression. Hence, the aim of this study was to evaluate the efficacy of the long-term liraglutide treatment on the progression of WS symptoms. For this purpose, 2-month-old WS rats were treated with liraglutide up to the age of 18 months and changes in diabetes markers, visual acuity, and hearing sensitivity were monitored over the course of the treatment period. We found that treatment with liraglutide delayed the onset of diabetes and protected against vision loss in a rat model of WS. Therefore, early diagnosis and prophylactic treatment with the liraglutide may also prove to be a promising treatment option for WS patients by increasing the quality of life.
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Affiliation(s)
- Toomas Jagomäe
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
- Department of Physiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 19 Ravila Street, 50411 Tartu, Estonia;
- Correspondence: (T.J.); (M.P.)
| | - Kadri Seppa
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
| | - Riin Reimets
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
| | - Marko Pastak
- Eye Clinic of Tartu University Hospital, L. Puusepa 8 Street, 50406 Tartu, Estonia;
| | - Mihkel Plaas
- Ear Clinic of Tartu University Hospital, L. Puusepa 1a Street, 50406 Tartu, Estonia;
| | - Miriam A. Hickey
- Department of Pharmacology, Institute of Biomedicine and Translational Medicine, University of Tartu, 19 Ravila Street, 50411 Tartu, Estonia; (M.A.H.); (A.K.)
| | - Kaia Grete Kukker
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
| | - Lieve Moons
- Research Group Neural Circuit Development and Regeneration, Department of Biology, Belgium & Leuven Brain Institute, University of Leuven, Naamsestraat 61, Box 2464, 3000 Leuven, Belgium; (L.M.); (L.D.G.)
| | - Lies De Groef
- Research Group Neural Circuit Development and Regeneration, Department of Biology, Belgium & Leuven Brain Institute, University of Leuven, Naamsestraat 61, Box 2464, 3000 Leuven, Belgium; (L.M.); (L.D.G.)
| | - Eero Vasar
- Department of Physiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 19 Ravila Street, 50411 Tartu, Estonia;
| | - Allen Kaasik
- Department of Pharmacology, Institute of Biomedicine and Translational Medicine, University of Tartu, 19 Ravila Street, 50411 Tartu, Estonia; (M.A.H.); (A.K.)
| | - Anton Terasmaa
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
| | - Mario Plaas
- Laboratory Animal Centre, Institute of Biomedicine and Translational Medicine, University of Tartu, 14B Ravila Street, 50411 Tartu, Estonia; (K.S.); (R.R.); (K.G.K.); (A.T.)
- Department of Physiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 19 Ravila Street, 50411 Tartu, Estonia;
- Correspondence: (T.J.); (M.P.)
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Mietlicki-Baase EG, Santollo J, Daniels D. Fluid intake, what's dopamine got to do with it? Physiol Behav 2021; 236:113418. [PMID: 33838203 DOI: 10.1016/j.physbeh.2021.113418] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/12/2021] [Accepted: 04/05/2021] [Indexed: 12/27/2022]
Abstract
Maintaining fluid balance is critical for life. The central components that control fluid intake are only partly understood. This contribution to the collection of papers highlighting work by members of the Society for the Study of Ingestive Behavior focuses on the role that dopamine has on fluid intake and describes the roles that various bioregulators can have on thirst and sodium appetite by influencing dopamine systems in the brain. The goal of the review is to highlight areas in need of more research and to propose a framework to guide that research. We hope that this framework will inspire researchers in the field to investigate these interesting questions in order to form a more complete understanding of how fluid intake is controlled.
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Affiliation(s)
- Elizabeth G Mietlicki-Baase
- Department of Exercise and Nutrition Sciences, University at Buffalo, State University of New York, Buffalo, NY 14214, United States; Center for Ingestive Behavior Research, University at Buffalo, State University of New York, Buffalo, NY 14260, United States
| | - Jessica Santollo
- Department of Biology, University of Kentucky, Lexington, KY 40506, United States
| | - Derek Daniels
- Center for Ingestive Behavior Research, University at Buffalo, State University of New York, Buffalo, NY 14260, United States; Department of Psychology, University at Buffalo, State University of New York, Buffalo, NY 14260, United States
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Abstract
PURPOSE OF REVIEW Precision nutrition and personalized diets are gaining popularity in nutritional science and medicine. To fully appreciate their potential benefits, a deep understanding of both macronutrients and nutrient-microbe interactions is required. RECENT FINDINGS Microbiome science has reaffirmed the importance of dietary fiber in microbial and host health. Additional macronutrients, digestible carbohydrate, protein and fat also influence the composition and diversity of the microbiome and, therefore, microbial response to dietary intervention. Attention to macronutrient source, dose, microbial effect and metabolite production allows the development of more established links between diet and health. SUMMARY The degree to which human diets need to be personalized for optimal health is still uncertain but a one-size-fits-all diet seems unlikely. However, for personal or precision nutrition to fulfill its promise, greater attention to the details of nutrient-microbe interactions will be required.
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Affiliation(s)
- John O'Grady
- APC Microbiome Ireland and Department of Medicine, University College Cork, National University of Ireland, Cork, Ireland
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Incretin Hormones in Obesity and Related Cardiometabolic Disorders: The Clinical Perspective. Nutrients 2021; 13:nu13020351. [PMID: 33503878 PMCID: PMC7910956 DOI: 10.3390/nu13020351] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023] Open
Abstract
The prevalence of obesity continues to grow rapidly worldwide, posing many public health challenges of the 21st century. Obese subjects are at major risk for serious diet-related noncommunicable diseases, including type 2 diabetes mellitus, cardiovascular disease, and non-alcoholic fatty liver disease. Understanding the mechanisms underlying obesity pathogenesis is needed for the development of effective treatment strategies. Dysregulation of incretin secretion and actions has been observed in obesity and related metabolic disorders; therefore, incretin-based therapies have been developed to provide new therapeutic options. Incretin mimetics present glucose-lowering properties, together with a reduction of appetite and food intake, resulting in weight loss. In this review, we describe the physiology of two known incretins—glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1), and their role in obesity and related cardiometabolic disorders. We also focus on the available and incoming incretin-based medications that can be used in the treatment of the above-mentioned conditions.
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