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Aizenshtadt A, Wang C, Abadpour S, Menezes PD, Wilhelmsen I, Dalmao-Fernandez A, Stokowiec J, Golovin A, Johnsen M, Combriat TMD, Røberg-Larsen H, Gadegaard N, Scholz H, Busek M, Krauss SJK. Pump-Less, Recirculating Organ-on-Chip (rOoC) Platform to Model the Metabolic Crosstalk between Islets and Liver. Adv Healthc Mater 2024; 13:e2303785. [PMID: 38221504 DOI: 10.1002/adhm.202303785] [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: 10/31/2023] [Revised: 12/05/2023] [Indexed: 01/16/2024]
Abstract
Type 2 diabetes mellitus (T2DM), obesity, and metabolic dysfunction-associated steatotic liver disease (MASLD) are epidemiologically correlated disorders with a worldwide growing prevalence. While the mechanisms leading to the onset and development of these conditions are not fully understood, predictive tissue representations for studying the coordinated interactions between central organs that regulate energy metabolism, particularly the liver and pancreatic islets, are needed. Here, a dual pump-less recirculating organ-on-chip platform that combines human pluripotent stem cell (sc)-derived sc-liver and sc-islet organoids is presented. The platform reproduces key aspects of the metabolic cross-talk between both organs, including glucose levels and selected hormones, and supports the viability and functionality of both sc-islet and sc-liver organoids while preserving a reduced release of pro-inflammatory cytokines. In a model of metabolic disruption in response to treatment with high lipids and fructose, sc-liver organoids exhibit hallmarks of steatosis and insulin resistance, while sc-islets produce pro-inflammatory cytokines on-chip. Finally, the platform reproduces known effects of anti-diabetic drugs on-chip. Taken together, the platform provides a basis for functional studies of obesity, T2DM, and MASLD on-chip, as well as for testing potential therapeutic interventions.
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Affiliation(s)
- Aleksandra Aizenshtadt
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Chencheng Wang
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Transplantation Medicine, Experimental Cell Transplantation Research Group, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Shadab Abadpour
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Transplantation Medicine, Experimental Cell Transplantation Research Group, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
- Institute for Surgical Research, Oslo University Hospital, Oslo, Norway
| | - Pedro Duarte Menezes
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- James Watt School of Engineering, University of Glasgow, Rankine Building, Glasgow, G12 8LT, UK
| | - Ingrid Wilhelmsen
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Andrea Dalmao-Fernandez
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, University of Oslo, P.O. Box 1083, Oslo, 0316, Norway
| | - Justyna Stokowiec
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Alexey Golovin
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Mads Johnsen
- Section for Chemical Life Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Oslo, 0315, Norway
| | - Thomas M D Combriat
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
| | - Hanne Røberg-Larsen
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Section for Chemical Life Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Oslo, 0315, Norway
| | - Nikolaj Gadegaard
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- James Watt School of Engineering, University of Glasgow, Rankine Building, Glasgow, G12 8LT, UK
| | - Hanne Scholz
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Transplantation Medicine, Experimental Cell Transplantation Research Group, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Mathias Busek
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
| | - Stefan J K Krauss
- Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Science, University of Oslo, P.O. Box 1110, Oslo, 0317, Norway
- Dep. of Immunology and Transfusion Medicine, Oslo University Hospital, P.O. Box 4950, Oslo, 0424, Norway
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Zhang J, Ma X, Liu F, Zhang D, Ling J, Zhu Z, Chen Y, Yang P, Yang Y, Liu X, Zhang J, Liu J, Yu P. Role of NLRP3 inflammasome in diabetes and COVID-19 role of NLRP3 inflammasome in the pathogenesis and treatment of COVID-19 and diabetes NLRP3 inflammasome in diabetes and COVID-19 intervention. Front Immunol 2023; 14:1203389. [PMID: 37868953 PMCID: PMC10585100 DOI: 10.3389/fimmu.2023.1203389] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 09/18/2023] [Indexed: 10/24/2023] Open
Abstract
2019 Coronavirus Disease (COVID-19) is a global pandemic caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). A "cytokine storm", i.e., elevated levels of pro-inflammatory cytokines in the bloodstream, has been observed in severe cases of COVID-19. Normally, activation of the nucleotide-binding oligomeric domain-like receptor containing pyrin domain 3 (NLRP3) inflammatory vesicles induces cytokine production as an inflammatory response to viral infection. Recent studies have found an increased severity of necrobiosis infection in diabetic patients, and data from several countries have shown higher morbidity and mortality of necrobiosis in people with chronic metabolic diseases such as diabetes. In addition, COVID-19 may also predispose infected individuals to hyperglycemia. Therefore, in this review, we explore the potential relationship between NLRP3 inflammatory vesicles in diabetes and COVID-19. In contrast, we review the cellular/molecular mechanisms by which SARS-CoV-2 infection activates NLRP3 inflammatory vesicles. Finally, we propose several promising targeted NLRP3 inflammatory vesicle inhibitors with the aim of providing a basis for NLRP3-targeted drugs in diabetes combined with noncoronary pneumonia in the clinical management of patients.
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Affiliation(s)
- Jiayu Zhang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Huankui Academy, Nanchang University, Jiangxi, Nanchang, China
| | - Xuejing Ma
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Fuwei Liu
- Department of Cardiology, The Affiliated Ganzhou Hospital of Nanchang University, Jiangxi, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Jitao Ling
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zicheng Zhu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yixuan Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Pingping Yang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yanlin Yang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xiao Liu
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jianping Liu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Peng Yu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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Yang K, Lu HH, Zhao W, Zhao Q. Efficacy and safety of metformin in combination with chemotherapy in cancer patients without diabetes: systematic review and meta-analysis. Front Oncol 2023; 13:1176885. [PMID: 37546417 PMCID: PMC10402741 DOI: 10.3389/fonc.2023.1176885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/26/2023] [Indexed: 08/08/2023] Open
Abstract
Background The results of a meta-analysis of retrospective studies suggest that the use of metformin in cancer patients may prolong progression-free disease survival and overall survival. However, the studies included in the meta-analysis did not strictly distinguish between patients with or without type 2 diabetes mellitus. Therefore, further studies are needed to assess whether the use of adjuvant chemotherapy with metformin in cancer patients without diabetes improves prognosis. Method Systematic searches of Embase, Pubmed, and The Cochrane library were performed for the subject terms metformin and neoplasm and for free words. Data related to PFS, OS were extracted according to inclusion exclusion criteria. The data were combined and meta-analysis was performed using Review Manager 5.4 to confirm the efficacy and safety of metformin administration. Results There were 3228 publications retrieved from the database and a total of 13 publications with 955 patients were included in the meta-analysis after screening. All included studies were randomised controlled trials. Metformin combined with adjuvant chemotherapy did not improve progression-free survival (HR=1,95CI 0.79-1.25), overall survival (HR=0.91,95% CI 0.69-1.20) and did not improve objective disease response rates in patients. There was no significant difference in grade 3-4 adverse reactions compared to placebo. Conclusion In this meta-analysis of randomised controlled trial studies, we found that chemotherapy in combination with metformin in cancer patients without diabetes did not prolong progression-free survival and overall survival and improved disease control in patients, although there was no significant difference in terms of safety. More high-quality randomised controlled trials are needed in the future to confirm the in vivo anti-tumour activity and survival benefit of metformin.
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Affiliation(s)
- Kang Yang
- Department of Pharmacy, General Hospital of Northern Theater Command of PLA, Shenyang, China
- China Medical University, Shenyang, China
| | - Hao-hao Lu
- Department of Pharmacy, General Hospital of Northern Theater Command of PLA, Shenyang, China
- China Medical University, Shenyang, China
| | - Wei Zhao
- Department of Pharmacy, General Hospital of Northern Theater Command of PLA, Shenyang, China
| | - Qingchun Zhao
- Department of Pharmacy, General Hospital of Northern Theater Command of PLA, Shenyang, China
- China Medical University, Shenyang, China
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Zaki HA, Iftikhar H, Shallik NA, Shaban E, Al-Marri NDR, Bashir I, Elhadad A, Zoghlami F, Abdalrubb A. A Systematic Review and Meta-Analysis of Randomized Controlled Trials Comparing the Effects of Biguanides (Metformin) and Thiazolidinediones on Glucose Tolerance and Insulin Sensitivity in Patients With Type II Diabetes Mellitus. Cureus 2023; 15:e39445. [PMID: 37362539 PMCID: PMC10289479 DOI: 10.7759/cureus.39445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 06/28/2023] Open
Abstract
Type II diabetes mellitus (T2DM) is a global epidemic affecting people of all ages in developed and developing countries. The disease is usually characterized by insulin resistance and glucose intolerance; therefore, oral antidiabetic drugs such as thiazolidinediones (TZDs) and biguanide metformin are used to counter these defects. Due to the varied action mechanisms of TZDs and Metformin, their effects on insulin sensitivity and glucose tolerance may differ. Therefore, the current study was carried out to compare the effects of Metformin and TZDs on insulin sensitivity and glucose tolerance among patients with T2DM. Two methods, including using a well-outlined search strategy in 5 electronic databases including ScienceDirect, Google Scholar, PubMed, Scopus, and Embase, and a manual search which involved going through the reference lists of studies from the electronic databases were used to retrieve studies published between 2000 and 2022. Additionally, data analysis of outcomes retrieved from the studies eligible for inclusion and the methodological quality was carried out using the Review Manager software (RevMan 5.4.1) and STATA. The meta-analysis has shown that TZDs have a significantly better overall effect on fasting plasma glucose (FPG) (SMD:0.61; 95% CI:0.06, 1.16: p = 0.03) and insulin sensitivity than Metformin (Mean QUICKI: 0.306 ± 0.019 vs. 0.316 ± 0.019, respectively; p=0.0003). However, the TZDs and Metformin offer the same effect on glycemic control as assessed using HBA1c levels (MD: 0.10; 95% CI: -0.20, 0.40; p = 0.52). TZDs offer better insulin sensitivity and glucose tolerance improvements compared to Metformin. This evidence contradicts the current guidelines by the American Diabetes Association/European Association for the Study of Diabetes (ADA/EASD) and the American Association of Clinical Endocrinologists/American College of Endocrinology (AACE/ACE), which recommend the use of Metformin as the first-line drug monotherapy for patients with T2DM.
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Affiliation(s)
- Hany A Zaki
- Emergency Medicine, Hamad Medical Corporation, Doha, QAT
| | - Haris Iftikhar
- Emergency Medicine, Hamad Medical Corporation, Doha, QAT
| | - Nabil A Shallik
- Anaesthesiology, Weill Cornell Medical College in Qatar, Doha, QAT
- Anaesthesiology, Hamad Medical Corporation, Doha, QAT
| | - Eman Shaban
- Cardiology, Al Jufairi Diagnosis And Treatment, Doha, QAT
| | | | - Israr Bashir
- Emergency Medicine, Hamad Medical Corporation, Doha, QAT
| | - Awny Elhadad
- Emergency Department, United Lincolnshire Hospitals, Lincoln, GBR
| | - Fatma Zoghlami
- Emergency Department, Hamad General Hospital, Qatar, QAT
| | - Abeer Abdalrubb
- Endocrinology and Diabetes, Hamad Medical Corporation, Doha, QAT
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Liu J, Zhang M, Deng D, Zhu X. The function, mechanisms, and clinical applications of metformin: potential drug, unlimited potentials. Arch Pharm Res 2023; 46:389-407. [PMID: 36964307 DOI: 10.1007/s12272-023-01445-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 03/08/2023] [Indexed: 03/26/2023]
Abstract
Metformin has been used clinically for more than 60 years. As time goes by, more and more miraculous effects of metformin beyond the clinic have been discovered and discussed. In addition to the clinically approved hypoglycemic effect, it also has a positive metabolic regulation effect on the human body that cannot be ignored. Such as anti-cancer, anti-aging, brain repair, cardiovascular protection, gastrointestinal regulation, hair growth and inhibition of thyroid nodules, and other nonclinical effects. Metformin affects almost the entire body in the situation taking it over a long period, and the preventive effects of metformin in addition to treating diabetes are also beginning to be recommended in some guidelines. This review is mainly composed of four parts: the development history of metformin, the progress of clinical efficacy, the nonclinical efficacy of metformin, and the consideration and prospect of its application.
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Affiliation(s)
- Jianhong Liu
- Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou Medical College, Hangzhou, China
- Department of Cardiology, The Second Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Ming Zhang
- Department of Physical Medicine and Rehabilitation, Zibo Central Hospital, Zibo, China
| | - Dan Deng
- Department of Cardiology, The Second Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Xiao Zhu
- Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou Medical College, Hangzhou, China.
- Department of Cardiology, The Second Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China.
- Guangdong Provincial Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen Key Laboratory of Genitourinary Tumor, Department of Urology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen, China.
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Waissengrin B, Zahavi T, Salmon-Divon M, Goldberg A, Wolf I, Rubinek T, Winkler T, Farkash O, Grinshpun A, Zubkov A, Khatib M, Shachar S, Keren N, Carmi-Levy I, Ben-David U, Sonnenblick A. The effect of non-oncology drugs on clinical and genomic risk in early luminal breast cancer. ESMO Open 2022; 7:100648. [PMID: 36462463 PMCID: PMC9808449 DOI: 10.1016/j.esmoop.2022.100648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND An effect of non-oncology medications on cancer outcome has been proposed. In this study, we aimed to systematically examine the impact of commonly prescribed non-oncology drugs on clinical risk and on the genomic risk [based on the Oncotype DX recurrence score (RS)] in early breast cancer (BC). EXPERIMENTAL DESIGN We collected data on clinical risk (stage and grade), genomic risk (Oncotype DX RS), and on non-oncology medications administered to 1423 patients with estrogen receptor-positive human epidermal growth factor receptor 2-negative BC during the month of their surgery. The influence of various medications on clinical and genomic risks was evaluated by statistical analysis. RESULTS Out of the multiple drugs we examined, levothyroxine was significantly associated with a high Oncotype DX RS (mean 24.78; P < 0.0001) and metformin with a low Oncotype DX RS (mean 14.87; P < 0.01) compared with patients not receiving other non-oncology drugs (mean 18.7). By contrast, there were no differences in the clinical risk between patients receiving metformin, levothyroxine, or no other non-oncology drugs. Notably, there was no association between the consumption of levothyroxine and metformin and proliferation marker (Ki67) levels, but both drugs were significantly associated with progesterone-related features, suggesting that they influence genomic risk through estrogen-dependent signaling. CONCLUSIONS The results of this study indicate a significant impact of metformin and levothyroxine on clinical decisions in luminal BC, with potential impact on the clinical course of these patients.
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Affiliation(s)
- B. Waissengrin
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | - T. Zahavi
- Department of Molecular Biology, Adelson School of Medicine, Ariel University, Ariel
| | - M. Salmon-Divon
- Department of Molecular Biology, Adelson School of Medicine, Ariel University, Ariel
| | - A. Goldberg
- Department of Molecular Biology, Adelson School of Medicine, Ariel University, Ariel
| | - I. Wolf
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | - T. Rubinek
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | - T. Winkler
- Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - O. Farkash
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv
| | - A. Grinshpun
- Breast Oncology Center, Department of Medical Oncology, Dana Farber Cancer Institute, Boston, USA
| | - A. Zubkov
- Pathology Department, Pathology Institute, Tel Aviv Medical Center, Tel Aviv
| | - M. Khatib
- Division of General Surgery, Tel Aviv Medical Center, Tel Aviv
| | - S.S. Shachar
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | - N. Keren
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | | | - U. Ben-David
- Sackler School of Medicine, Tel Aviv University, Tel Aviv
| | - A. Sonnenblick
- The Oncology Division, Tel Aviv Sourasky Medical Center, Tel Aviv,Sackler School of Medicine, Tel Aviv University, Tel Aviv,Correspondence to: Dr Amir Sonnenblik, MD, Tel Aviv Sourasky Medical Center, 6 Waizman Street, Tel Aviv 64239, Israel; Tel: +972-3-6972446
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Barakat HE, Hussein RRS, Elberry AA, Zaki MA, Ramadan ME. The impact of metformin use on the outcomes of locally advanced breast cancer patients receiving neoadjuvant chemotherapy: an open-labelled randomized controlled trial. Sci Rep 2022; 12:7656. [PMID: 35538143 PMCID: PMC9091204 DOI: 10.1038/s41598-022-11138-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 04/19/2022] [Indexed: 12/20/2022] Open
Abstract
Recently, several clinical trials have attempted to find evidence that supports the anticancer use of metformin in breast cancer (BC) patients. The current study evaluates the anticancer activity of metformin in addition to neoadjuvant chemotherapy (NACT) in locally advanced BC patients. Additionally, we assess the safety and tolerability of this combination and its effect on the quality of life (QoL) of BC patients. Eighty non-diabetic female patients with proven locally advanced BC were randomized into two arms. The first arm received anthracycline/taxane-based NACT plus metformin. The second arm received anthracycline/taxane-based NACT only. Overall response rate (ORR), clinical complete response (cCr), pathological complete response (pCR), and breast conservative rate (BCR) were evaluated between both groups, and correlated with serum metformin concentration. ORR, cCr, pCR, and BCR increased non-significantly in the metformin group compared to the control group; 80.6% vs 68.4%, 27.8% vs 10.5%, 22.2% vs 10.5%, and 19.4% vs 13.2%, respectively. A trend towards cCR and pCR was associated with higher serum metformin concentrations. Metformin decreased the incidence of peripheral neuropathy, bone pain, and arthralgia, although worsened the gastrointestinal adverse events. Metformin combination with NACT has no effect on the QoL of BC patients. Metformin combination with NACT is safe, tolerable, and improves non-significantly the clinical and pathological tumor response of BC patients.
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Affiliation(s)
- Hadeer Ehab Barakat
- Department of Clinical Pharmacy, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt.
| | - Raghda R S Hussein
- Department of Clinical Pharmacy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt.,Department of Clinical Pharmacy, Faculty of Pharmacy, Modern University for Technology and Information, Cairo, Egypt
| | - Ahmed Abdullah Elberry
- Department of Pharmacy Practice, Batterjee Medical College, Pharmacy Program, Jeddah, Saudi Arabia.,Department of Clinical Pharmacology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
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Schernthaner G, Brand K, Bailey CJ. Metformin and the heart: Update on mechanisms of cardiovascular protection with special reference to comorbid type 2 diabetes and heart failure. Metabolism 2022; 130:155160. [PMID: 35143848 DOI: 10.1016/j.metabol.2022.155160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/05/2022] [Accepted: 02/03/2022] [Indexed: 12/15/2022]
Abstract
Metformin has been in clinical use for the management of type 2 diabetes for more than 60 years and is supported by a vast database of clinical experience: this includes evidence for cardioprotection from randomised trials and real-world studies. Recently, the position of metformin as first choice glucose-lowering agent has been supplanted to some extent by the emergence of newer classes of antidiabetic therapy, namely the sodium-glucose co-transporter-2 (SGLT2) inhibitors and glucagon-like peptide-1 (GLP-1) receptor agonists. These agents have benefitted through support from large cardiovascular outcomes trials with more modern trial designs than earlier studies conducted to assess metformin. Nevertheless, clinical research on metformin continues to further assess its many potentially advantageous effects. Here, we review the evidence for improved cardiovascular outcomes with metformin in the context of the current era of diabetes outcomes trials. Focus is directed towards the potentially cardioprotective actions of metformin in patients with type 2 diabetes and heart failure (HF), now recognised as the most common complication of diabetes.
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van Hoorn EGM, van Dijk PR, Prins JR, Lutgers HL, Hoogenberg K, Erwich JJHM, Kooy A. Pregnancy Outcomes: Effects of Metformin (POEM) study: a protocol for a long-term, multicentre, open-label, randomised controlled trial in gestational diabetes mellitus. BMJ Open 2022; 12:e056282. [PMID: 35354633 PMCID: PMC8968576 DOI: 10.1136/bmjopen-2021-056282] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Gestational diabetes mellitus (GDM) is a common disorder of pregnancy with health risks for mother and child during pregnancy, delivery and further lifetime, possibly leading to type 2 diabetes mellitus (T2DM). Current treatment is focused on reducing hyperglycaemia, by dietary and lifestyle intervention and, if glycaemic targets are not reached, insulin. Metformin is an oral blood glucose lowering drug and considered safe during pregnancy. It improves insulin sensitivity and has shown advantages, specifically regarding pregnancy-related outcomes and patient satisfaction, compared with insulin therapy. However, the role of metformin in addition to usual care is inconclusive and long-term outcome of metformin exposure in utero are lacking. The primary aim of this study is to investigate the early addition of metformin on pregnancy and long-term outcomes in GDM. METHODS AND ANALYSIS The Pregnancy Outcomes: Effects of Metformin study is a multicentre, open-label, randomised, controlled trial. Participants include women with GDM, between 16 and 32 weeks of gestation, who are randomised to either usual care or metformin added to usual care, with insulin rescue in both groups. Metformin is given up to 1 year after delivery. The study consists of three phases (A-C): A-until 6 weeks after delivery; B-until 1 year after delivery; C-observational study until 20 years after delivery. During phase A, the primary outcome is a composite score consisting of: (1) pregnancy-related hypertension, (2) large for gestational age neonate, (3) preterm delivery, (4) instrumental delivery, (5) caesarean delivery, (6) birth trauma, (7) neonatal hypoglycaemia, (8) neonatal intensive care admission. During phase B and C the primary outcome is the incidence of T2DM and (weight) development in mother and child. ETHICS AND DISSEMINATION The study was approved by the Central Committee on Research Involving Human Subjects in the Netherlands. Results will be submitted for publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT02947503.
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Affiliation(s)
- Eline G M van Hoorn
- Department of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Peter R van Dijk
- Department of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Jelmer R Prins
- Department of Obstetrics and Gynaecology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Helen L Lutgers
- Department of Internal Medicine, Medical Centre Leeuwarden, Leeuwarden, Netherlands
| | - Klaas Hoogenberg
- Department of Internal Medicine, Martini Hospital, Groningen, Netherlands
| | - Jan Jaap H M Erwich
- Department of Obstetrics and Gynaecology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Adriaan Kooy
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Bethesda Diabetes Research Center, Hoogeveen, Netherlands
- Department of Internal Medicine, Treant Care Group, Hoogeveen, Netherlands
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Gan X, Cao C, He Y, Hu X, Peng X, Su Y. The metformin has no significant anticancer effect on patients with advanced or unresectable cancer: systematic review and meta-analysis. Curr Pharm Des 2022; 28:1351-1358. [PMID: 35352646 DOI: 10.2174/1381612828666220329113434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/14/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND At present, the antitumor effect of metformin is controversial. Previous meta-analyses included observational studies, of which the results can be influenced by many confounders, affecting the result of meta-analyses and weakening the strength of evidence. Therefore, we conducted a meta-analysis to confirm the effect of metformin use on patients with advanced or unresectable cancers, including randomized clinical trials (RCTs). METHODS We searched for RCTs in accordance with the inclusion and exclusion criteria. A meta-analysis was conducted to combine hazard ratios (HRs) or risk ratios (RRs) and their 95% confidence intervals (CIs), using a random-effects model. RESULTS Finally, 7 eligible RCTs were included in meta-analysis. Overall, the combined results revealed that treatment with metformin did not improve the overall survival (OS) of patients (HR, 1.12; 95%CI, 0.91-1.37, P>0.05), and there was no clear evidence that metformin use was related to improved progression-free survival (PFS) (HR,1.17; 95%CI, 0.97-1.40; P>0.05). The pooled RR for grade III or IV adverse events was 0.92 (95%CI, 0.52-1.60; P>0.05), indicating that the use of metformin was not significantly related to increased toxicity. CONCLUSION Metformin does not significantly improve the survival of patients with advanced or unresectable cancer, regardless of cancer type and region. Open Science Framework: DOI 10.17605/OSF.IO/SPKE8.
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Affiliation(s)
- Xinyan Gan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Chang Cao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yan He
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xiaolin Hu
- Department of Nursing, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xingchen Peng
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yonglin Su
- Rehabilitation Medicine Center and Department of Biotherapy, West China Hospital, Sichuan University, Chengdu, China;
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Barakat HE, Hussein RRS, Elberry AA, Zaki MA, Elsherbiny Ramadan M. Factors influencing the anticancer effects of metformin on breast cancer outcomes: a systematic review and meta-analysis. Expert Rev Anticancer Ther 2022; 22:415-436. [PMID: 35259320 DOI: 10.1080/14737140.2022.2051482] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Several clinical trials have attempted to find evidence that supports the use of metformin as an anticancer treatment. However, the observed effects on various breast cancer (BC) outcomes have been heterogeneous. AREAS COVERED Based on the outcomes of previous clinical trials, this review discusses the patients' characteristics, cancer intrinsic subtypes, cancer stage, and anticancer treatments that may influence the anticancer effect of metformin on BC outcomes. Additionally, the safety and tolerability of metformin addition to various anticancer regimens are reviewed. EXPERT OPINION Metformin is a challenging anticancer agent in BC cohorts, besides being safe and well-tolerated at antidiabetic doses. Survival benefits of metformin have been observed in BC patients with: hormone receptor-positive, human epidermal growth factor receptor-2 overexpression, and high insulin like growth factor-1 receptor expression on the tumor surface. Moreover, patients with diabetes receiving metformin experienced better survival outcomes compared to diabetic patients not receiving metformin. Additionally, metformin has anti-proliferative activity in patients with BC who have high insulin resistance and high body mass index. Besides, metformin has been shown to decrease metastatic events, and enhance the level of metabolic- and insulin-related biomarkers associated with carcinogenesis. Finally, most adverse events following metformin treatment were low-grade GIT toxicities.
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Saeedi M, Mehranfar F, Ghorbani F, Eskandari M, Ghorbani M, Babaeizad A. Review of pharmaceutical and therapeutic approaches for type 2 diabetes and related disorders. Recent Pat Biotechnol 2022; 16:188-213. [PMID: 35088682 DOI: 10.2174/1872208316666220128102934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/05/2021] [Accepted: 11/30/2021] [Indexed: 11/22/2022]
Abstract
One of the essential diseases that are increasing in the world is type 2 diabetes (T2D), which many people around the world live with this disease. Various studies have revealed that insulin resistance, lessened insulin production has been associated with T2D, and they also show that this disease can have a genetic origin and is associated with different genes such as KCNQ1, PPAR-γ, calpain-10, ADIPOR2, TCF7L2 that can be utilized as a therapeutic target. Different therapeutic approaches and strategies such as exercise and diet, pharmacological approaches, and utilization of nanoparticles in drug delivery and gene therapy can be effective in the treatment and control of T2D. Glucagon-like peptide 1 (GLP-1) and sodium glucose cotransporter-2 (SGLT2) have both been considered as drug classes in the treatment of T2D and T2D-related diseases such as cardiovascular disease and renal disease, and have considerable influences such as diminished cardiovascular mortality in individuals with T2D, ameliorate postprandial glycaemia, ameliorate fasting glycaemia, and diminish body weight on disease treatment and improvement process. In the present review article, we have made an attempt to explore the risk factors, Genes, and diseases associated with T2D, therapeutic approaches in T2D, the influences of drugs such as Dapagliflozin, Metformin, Acarbose, Januvia (Sitagliptin), and Ertugliflozin on T2D in clinical trials and animal model studies. Research in clinical trials has promising results that support the role of these drug approaches in T2D prophylaxis and ameliorate safety even though additional clinical research is still obligatory.
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Affiliation(s)
- Mohammad Saeedi
- Department of Hematology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Mehranfar
- Department of Laboratory Science, Faculty of medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Fateme Ghorbani
- Department of immunology, Semnan university of Medical sciences, Semnan, Iran
| | - Mohammadali Eskandari
- Student Research Committee, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Majid Ghorbani
- Department of Hematology, Mashhad University of Medical sciences, Mashhad, Iran
| | - Ali Babaeizad
- Student Research Committee, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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Ding Y, Zhou Y, Ling P, Feng X, Luo S, Zheng X, Little PJ, Xu S, Weng J. Metformin in cardiovascular diabetology: a focused review of its impact on endothelial function. Am J Cancer Res 2021; 11:9376-9396. [PMID: 34646376 PMCID: PMC8490502 DOI: 10.7150/thno.64706] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 08/30/2021] [Indexed: 02/07/2023] Open
Abstract
As a first-line treatment for diabetes, the insulin-sensitizing biguanide, metformin, regulates glucose levels and positively affects cardiovascular function in patients with diabetes and cardiovascular complications. Endothelial dysfunction (ED) represents the primary pathological change of multiple vascular diseases, because it causes decreased arterial plasticity, increased vascular resistance, reduced tissue perfusion and atherosclerosis. Caused by “biochemical injury”, ED is also an independent predictor of cardiovascular events. Accumulating evidence shows that metformin improves ED through liver kinase B1 (LKB1)/5'-adenosine monophosphat-activated protein kinase (AMPK) and AMPK-independent targets, including nuclear factor-kappa B (NF-κB), phosphatidylinositol 3 kinase-protein kinase B (PI3K-Akt), endothelial nitric oxide synthase (eNOS), sirtuin 1 (SIRT1), forkhead box O1 (FOXO1), krüppel-like factor 4 (KLF4) and krüppel-like factor 2 (KLF2). Evaluating the effects of metformin on endothelial cell functions would facilitate our understanding of the therapeutic potential of metformin in cardiovascular diabetology (including diabetes and its cardiovascular complications). This article reviews the physiological and pathological functions of endothelial cells and the intact endothelium, reviews the latest research of metformin in the treatment of diabetes and related cardiovascular complications, and focuses on the mechanism of action of metformin in regulating endothelial cell functions.
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14
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Potential intrinsic subtype dependence on the association between metformin use and survival in surgically resected breast cancer: a Korean national population-based study. Int J Clin Oncol 2021; 26:2004-2016. [PMID: 34374879 DOI: 10.1007/s10147-021-02005-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 07/26/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Numerous studies have suggested that metformin treatment can increase breast cancer survival; however, it is unclear whether its effects interact with intrinsic subtype or diabetic status. Therefore, we conducted a large nationwide study to assess this in women with surgically resected invasive breast cancer. METHODS Patients with newly diagnosed breast cancer between 2007 and 2016 were identified using the national health insurance claims database of South Korea. Metformin or other drug exposures was defined as medication for ≥ 90 days. Breast cancer subtypes were classified into four groups based on hormonal therapy and anti-HER2 treatments. RESULTS A total of 117,333 patients were included (median follow-up duration, 90 months). Type 2 diabetes mellitus (T2DM) affected significantly overall survival (OS, 7 years, 89.7% vs. 92.4%, p < 0.001). A significant interaction was found between the use of metformin and insulin in patients with T2DM (p = 0.018). Thus, the subsequent analysis was limited to these patients and propensity score matching was performed. We found significantly increased OS in patients treated with metformin (7-year OS, 88.3% vs. 85.6%, p < 0.001). Interestingly, a significant effect was observed in the hormonal therapy (HT)+/HER2-targeted therapy (Tx)- group (p < 0.001), whereas no specific association was observed in the HT-/HER2 Tx- group (p = 0.220). CONCLUSIONS Metformin administration may be associated with reduced mortality in patients with surgically resected breast cancer, particularly in the HT+/HER2 Tx- group. Clinical trials investigating metformin as a combination agent in breast cancer should stratify patients by curative resection, intrinsic subtype, the presence of T2DM, and the use of insulin.
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Levy CF, Presswala LS, Slomovic A, Stiefel J, Schulman-Rosenbaum R. Multidisciplinary management of endocrinopathies and treatment-related toxicities in patients with Bloom syndrome and cancer. Pediatr Blood Cancer 2021; 68:e28815. [PMID: 33226170 PMCID: PMC9171660 DOI: 10.1002/pbc.28815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 11/07/2022]
Abstract
The treatment of malignancy in cancer predisposition syndromes that also confer exquisite sensitivity to standard chemotherapy and radiation regimens remains a challenge. Bloom syndrome is one such disorder that is caused by a defect in DNA repair, predisposing to the development of early-onset age-related medical conditions and malignancies. We report on two patients with Bloom syndrome who responded well to chemotherapy despite significant alterations to standard protocols necessitated by hypersensitivity. Both patients experienced severe toxicities and exacerbation of endocrine comorbidities during chemotherapy. A multidisciplinary team of oncologists and endocrinologists is best suited to care for this patient population.
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Affiliation(s)
| | | | - Alana Slomovic
- Department of Pediatrics, Cohen Children’s Medical Center
| | - Jessica Stiefel
- Department of Pediatrics, Memorial Sloan-Kettering Cancer Center
| | - Rifka Schulman-Rosenbaum
- Division of Endocrinology, Department of Medicine, Long Island Jewish Medical Center, Associate Professor, Zucker School of Medicine at Hofstra/Northwell
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Guo C, Liu J, Li H. Metformin ameliorates olanzapine-induced insulin resistance via suppressing macrophage infiltration and inflammatory responses in rats. Biomed Pharmacother 2021; 133:110912. [PMID: 33217690 DOI: 10.1016/j.biopha.2020.110912] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/13/2020] [Accepted: 10/17/2020] [Indexed: 12/29/2022] Open
Abstract
AIMS The present study aimed to investigate the possible effects of metformin on the olanzapine-induced insulin resistance in rats. METHODS Rats were randomly divided into three groups: the control (Control) group, the olanzapine (Ola) group and the olanzapine + metformin (Ola + Met) group. Rats in the Ola group received olanzapine (8 mg/kg/day) intraperitoneally while rats in the Ola + Met group received olanzapine (8 mg/kg/day) intraperitoneally and metformin (300 mg/kg/day) orally for 8 weeks. Rats in the Control group received vehicle accordingly. Body weight and fasting blood glucose were recorded routinely. Inflammatory cytokines TNF-α, IL-6 and IL-1β and IL-10 were measured by ELISA. The gene expression of macrophages markers was examined by qPCR. The epididymal white adipose tissue, liver and skeletal muscle were also isolated for immunohistochemical analysis. RESULTS Olanzapine significantly induced body weight gain and insulin resistance compared to the control, which was markedly alleviated by metformin. Pro-inflammatory cytokines TNF-α, IL-6 and IL-1β were upregulated while the anti-inflammatory cytokine IL-10 was downregulated by olanzapine in plasma and epididymal white adipose tissue compared to the control, but not the liver and skeletal muscle. However, metformin co-administration significantly decreased the levels of TNF-α, IL-6 and IL-1β while increased the level of IL-10 in epididymal white adipose tissue compared to olanzapine-treated rats. Moreover, olanzapine treatment markedly increased the expression of the CD68 and the M1 macrophage markers while decreased the expression of the M2 macrophage markers in epididymal white adipose tissue in rats compared to the control. However, metformin co-treatment ameliorated the effects of olanzapine. CONCLUSIONS Our results suggest that metformin alleviated olanzapine-induced insulin resistance possibly by suppressing the inflammatory responses mediated by macrophage infiltration and polarization in epididymal white adipose tissue.
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Affiliation(s)
- Cuilian Guo
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huqun Li
- Department of Pharmacy, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China.
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O’Bryant SE, Zhang F, Petersen M, Johnson L, Hall J, Rissman RA. A Precision Medicine Approach to Treating Alzheimer's Disease Using Rosiglitazone Therapy: A Biomarker Analysis of the REFLECT Trials. J Alzheimers Dis 2021; 81:557-568. [PMID: 33814447 PMCID: PMC8203239 DOI: 10.3233/jad-201610] [Citation(s) in RCA: 6] [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] [Accepted: 03/01/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND The REFLECT trials were conducted to examine the treatment of mild-to-moderate Alzheimer's disease utilizing a peroxisome proliferator-activated receptor gamma agonist. OBJECTIVE To generate a predictive biomarker indicative of positive treatment response using samples from the previously conducted REFLECT trials. METHODS Data were analyzed on 360 participants spanning multiple negative REFLECT trials, which included treatment with rosiglitazone and rosiglitazone XR. Support vector machine analyses were conducted to generate a predictive biomarker profile. RESULTS A pre-defined 6-protein predictive biomarker (IL6, IL10, CRP, TNFα, FABP-3, and PPY) correctly classified treatment response with 100%accuracy across study arms for REFLECT Phase II trial (AVA100193) and multiple Phase III trials (AVA105640, AV102672, and AVA102670). When the data was combined across all rosiglitazone trial arms, a global RSG-predictive biomarker with the same 6-protein predictive biomarker was able to accurately classify 98%of treatment responders. CONCLUSION A predictive biomarker comprising of metabolic and inflammatory markers was highly accurate in identifying those patients most likely to experience positive treatment response across the REFLECT trials. This study provides additional proof-of-concept that a predictive biomarker can be utilized to help with screening and predicting treatment response, which holds tremendous benefit for clinical trials.
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Affiliation(s)
- Sid E. O’Bryant
- Institute for Translational Research, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Pharmacology & Neuroscience, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Fan Zhang
- Institute for Translational Research, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Family Medicine, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Melissa Petersen
- Institute for Translational Research, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Family Medicine, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Leigh Johnson
- Institute for Translational Research, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Pharmacology & Neuroscience, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - James Hall
- Institute for Translational Research, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Pharmacology & Neuroscience, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Robert A. Rissman
- Department of Family Medicine, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Neurosciences, University of California San Diego, San Diego, CA, USA
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Wang MT, Lai JH, Huang YL, Kuo FC, Wang YH, Tsai CL, Tu MY. Use of antidiabetic medications and risk of chronic obstructive pulmonary disease exacerbation requiring hospitalization: a disease risk score-matched nested case-control study. Respir Res 2020; 21:319. [PMID: 33267895 PMCID: PMC7709288 DOI: 10.1186/s12931-020-01547-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/12/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Exacerbation of chronic obstructive pulmonary disease (COPD) severely impacts the quality of life and causes high mortality and morbidity. COPD is involved with systemic and pulmonary inflammation, which may be attenuated with antidiabetic agents exerting anti-inflammatory effects. Real-world evidence is scant regarding the effects of antidiabetic agents on COPD exacerbation. Accordingly, we conducted a disease risk score (DRS)-matched nested case-control study to systemically assess the association between each class of oral hypoglycemic agents (OHAs) and risk of severe COPD exacerbation in a nationwide COPD population co-diagnosed with diabetes mellitus (DM). METHODS We enrolled 23,875 COPD patients receiving at least one OHA for management of DM by analyzing the Taiwan National Health Insurance claims database between January 1, 2000, and December 31, 2015. Cases of severe exacerbation were defined as those who had the first hospital admission for COPD. Each case was individually matched with four randomly-selected controls by cohort entry date, DRS (the estimated probability of encountering a severe COPD exacerbation), and COPD medication regimens using the incidence density sampling approach. Conditional logistic regressions were performed to estimate odds ratios (OR) of severe COPD exacerbation for each type of OHAs. RESULTS We analyzed 2700 cases of severe COPD exacerbation and 9272 corresponding controls after DRS matching. Current use of metformin versus other OHAs was associated with a 15% (adjusted OR [aOR], 0.85; 95% confidence interval [CI] 0.75-0.95) reduced risk of severe COPD exacerbation, whereas the reduced risk was not observed with other types of antidiabetic agents. When considering the duration of antidiabetic medication therapy, current use of metformin for 91-180 and 181-365 days was associated with a 28% (aOR, 0.72; 95% CI 0.58-0.89) and 37% (aOR, 0.63; 95% CI 0.51-0.77) reduced risk of severe COPD exacerbation, respectively. Similarly, 91-180 days of sulfonylureas therapy led to a 28% (aOR, 0.72; 95% CI 0.58-0.90) lower risk, and longer treatments consistently yielded 24-30% lower risks. Current use of thiazolidinediones for more than 181 days yielded an approximately 40% decreased risk. CONCLUSIONS Duration-dependent beneficial effects of current metformin, sulfonylurea, and thiazolidinedione use on severe COPD exacerbation were observed in patients with COPD and DM.
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Affiliation(s)
- Meng-Ting Wang
- School of Pharmacy, National Defense Medical Center, Taipei, Taiwan
| | - Jyun-Heng Lai
- School of Pharmacy, National Defense Medical Center, Taipei, Taiwan
| | - Ya-Ling Huang
- School of Pharmacy, National Defense Medical Center, Taipei, Taiwan.,Department of Pharmacy, En Chu Kong Hospital, New Taipei City, Taiwan
| | - Feng-Chih Kuo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yun-Han Wang
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Chen-Liang Tsai
- Division of Pulmonary and Critical Care, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Min-Yu Tu
- Department of Health Business Administration, Meiho University, Pingtung, Taiwan. .,Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, No.1, Dayi 2nd Rd., Gangshan Dist., Kaohsiung City, 82050, Taiwan. .,Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung, Taiwan. .,Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan.
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Systemic Oxidative Stress and Visceral Adipose Tissue Mediators of NLRP3 Inflammasome and Autophagy Are Reduced in Obese Type 2 Diabetic Patients Treated with Metformin. Antioxidants (Basel) 2020; 9:antiox9090892. [PMID: 32967076 PMCID: PMC7555880 DOI: 10.3390/antiox9090892] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/15/2020] [Accepted: 09/18/2020] [Indexed: 12/17/2022] Open
Abstract
Obesity is a low-grade inflammatory condition affecting a range of individuals, from metabolically healthy obese (MHO) subjects to type 2 diabetes (T2D) patients. Metformin has been shown to display anti-inflammatory properties, though the underlying molecular mechanisms are unclear. To study whether the effects of metformin are mediated by changes in the inflammasome complex and autophagy in visceral adipose tissue (VAT) of obese patients, a biopsy of VAT was obtained from a total of 68 obese patients undergoing gastric bypass surgery. The patients were clustered into two groups: MHO patients and T2D patients treated with metformin. Patients treated with metformin showed decreased levels of all analyzed serum pro-inflammatory markers (TNFα, IL6, IL1β and MCP1) and a downwards trend in IL18 levels associated with a lower production of oxidative stress markers in leukocytes (mitochondrial ROS and myeloperoxidase (MPO)). A reduction in protein levels of MCP1, NFκB, NLRP3, ASC, ATG5, Beclin1 and CHOP and an increase in p62 were also observed in the VAT of the diabetic group. This downregulation of both the NLRP3 inflammasome and autophagy in VAT may be associated with the improved inflammatory profile and leukocyte homeostasis seen in obese T2D patients treated with metformin with respect to MHO subjects and endorses the cardiometabolic protective effect of this drug.
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Bharath LP, Agrawal M, McCambridge G, Nicholas DA, Hasturk H, Liu J, Jiang K, Liu R, Guo Z, Deeney J, Apovian CM, Snyder-Cappione J, Hawk GS, Fleeman RM, Pihl RMF, Thompson K, Belkina AC, Cui L, Proctor EA, Kern PA, Nikolajczyk BS. Metformin Enhances Autophagy and Normalizes Mitochondrial Function to Alleviate Aging-Associated Inflammation. Cell Metab 2020; 32:44-55.e6. [PMID: 32402267 PMCID: PMC7217133 DOI: 10.1016/j.cmet.2020.04.015] [Citation(s) in RCA: 308] [Impact Index Per Article: 77.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 01/28/2020] [Accepted: 04/20/2020] [Indexed: 12/20/2022]
Abstract
Age is a non-modifiable risk factor for the inflammation that underlies age-associated diseases; thus, anti-inflammaging drugs hold promise for increasing health span. Cytokine profiling and bioinformatic analyses showed that Th17 cytokine production differentiates CD4+ T cells from lean, normoglycemic older and younger subjects, and mimics a diabetes-associated Th17 profile. T cells from older compared to younger subjects also had defects in autophagy and mitochondrial bioenergetics that associate with redox imbalance. Metformin ameliorated the Th17 inflammaging profile by increasing autophagy and improving mitochondrial bioenergetics. By contrast, autophagy-targeting siRNA disrupted redox balance in T cells from young subjects and activated the Th17 profile by activating the Th17 master regulator, STAT3, which in turn bound IL-17A and F promoters. Mitophagy-targeting siRNA failed to activate the Th17 profile. We conclude that metformin improves autophagy and mitochondrial function largely in parallel to ameliorate a newly defined inflammaging profile that echoes inflammation in diabetes.
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Affiliation(s)
- Leena P Bharath
- Department of Nutrition and Public Health, Merrimack College, North Andover, MA, USA
| | - Madhur Agrawal
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA; Barnstable Brown Diabetes and Obesity Center, University of Kentucky, Lexington, KY, USA
| | - Grace McCambridge
- Department of Nutrition and Public Health, Merrimack College, North Andover, MA, USA
| | - Dequina A Nicholas
- Department of Obstetrics, Gynecology, and Reproductive Sciences, School of Medicine, University of California, San Diego, San Diego, CA, USA
| | | | - Jing Liu
- Department of Computer Science, University of Kentucky, Lexington, KY, USA
| | - Kai Jiang
- Department of Physiology, University of Kentucky, Lexington, KY, USA
| | - Rui Liu
- Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA
| | - Zhenheng Guo
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - Jude Deeney
- Department of Medicine, Endocrinology, Diabetes & Nutrition, Boston University School of Medicine, Boston, MA, USA
| | - Caroline M Apovian
- Department of Medicine, Endocrinology, Diabetes & Nutrition, Boston University School of Medicine, Boston, MA, USA
| | - Jennifer Snyder-Cappione
- Department of Microbiology, Boston University School of Medicine, Boston, MA, USA; Flow Cytometry Core Facility, Boston University School of Medicine, Boston, MA, USA
| | - Gregory S Hawk
- Department of Statistics, University of Kentucky, Lexington, KY, USA
| | - Rebecca M Fleeman
- Departments of Neurosurgery and Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Riley M F Pihl
- Flow Cytometry Core Facility, Boston University School of Medicine, Boston, MA, USA
| | | | - Anna C Belkina
- Flow Cytometry Core Facility, Boston University School of Medicine, Boston, MA, USA; Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Licong Cui
- Department of Computer Science, University of Kentucky, Lexington, KY, USA; School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Elizabeth A Proctor
- Departments of Neurosurgery and Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA; Departments of Biomedical Engineering, and Engineering Science & Mechanics and Center for Neural Engineering, Pennsylvania State University, University Park, PA, USA
| | - Philip A Kern
- Barnstable Brown Diabetes and Obesity Center, University of Kentucky, Lexington, KY, USA; Department of Medicine, University of Kentucky, Lexington, KY, USA
| | - Barbara S Nikolajczyk
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA; Barnstable Brown Diabetes and Obesity Center, University of Kentucky, Lexington, KY, USA.
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Qiu Y, Yu H, Zeng R, Guo S, Daniyal M, Deng Z, Wang A, Wang W. Recent Development on Anti-Obesity Compounds and their Mechanisms of Action: A Review. Curr Med Chem 2020; 27:3577-3597. [DOI: 10.2174/0929867326666190215114359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 12/13/2018] [Accepted: 12/14/2018] [Indexed: 12/18/2022]
Abstract
Obesity, associated with a series of complications such as diabetes, hypertension, and
heart disease, is a great threat to human health and leads to increased morbidity and mortality. Despite
the presence of anti-obesity agents on the market, the application of these drugs is limited because
of their typical side effects. More effective and safe weight-loss drugs are being pursued by
many researchers, correspondingly, growing small molecules and natural products with anti-obesity
effects have been identified and the molecular mechanisms underlying the action of the novel and
known compounds have at least partially been revealed. Therefore, the field does witness great progress
year by year. In this review, we intend to provide a comprehensive and updated view on the
known and novel compounds which possess anti-obesity effects and further classify them according
to the molecular mechanisms of their actions in regulating the major anti-obesity pathways.
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Affiliation(s)
- Yixing Qiu
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Huanghe Yu
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Rong Zeng
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Shiyin Guo
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
| | - Muhammad Daniyal
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Zeyu Deng
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Aibing Wang
- The Key Laboratory of Animal Vaccine & Protein Engineering, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, Hunan, China
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Drug Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China
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Vinci MC, Gambini E, Bassetti B, Genovese S, Pompilio G. When Good Guys Turn Bad: Bone Marrow's and Hematopoietic Stem Cells' Role in the Pathobiology of Diabetic Complications. Int J Mol Sci 2020; 21:ijms21113864. [PMID: 32485847 PMCID: PMC7312629 DOI: 10.3390/ijms21113864] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 12/15/2022] Open
Abstract
Diabetes strongly contributes to the development of cardiovascular disease, the leading cause of mortality and morbidity in these patients. It is widely accepted that hyperglycemia impairs hematopoietic stem/progenitor cell (HSPC) mobilization from the bone marrow (BM) by inducing stem cell niche dysfunction. Moreover, a recent study demonstrated that type 2 diabetic patients are characterized by significant depletion of circulating provascular progenitor cells and increased frequency of inflammatory cells. This unbalance, potentially responsible for the reduction of intrinsic vascular homeostatic capacity and for the establishment of a low-grade inflammatory status, suggests that bone BM-derived HSPCs are not only victims but also active perpetrators in diabetic complications. In this review, we will discuss the most recent literature on the molecular mechanisms underpinning hyperglycemia-mediated BM dysfunction and differentiation abnormality of HSPCs. Moreover, a section will be dedicated to the new glucose-lowering therapies that by specifically targeting the culprits may prevent or treat diabetic complications.
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Affiliation(s)
- Maria Cristina Vinci
- Unit of Vascular Biology and Regenerative Medicine, IRCCS Centro Cardiologico Monzino, I-20138- Milan, Italy; (E.G.); (B.B.); (G.P.)
- Correspondence: ; Tel.: +39-02-5800-2028
| | - Elisa Gambini
- Unit of Vascular Biology and Regenerative Medicine, IRCCS Centro Cardiologico Monzino, I-20138- Milan, Italy; (E.G.); (B.B.); (G.P.)
| | - Beatrice Bassetti
- Unit of Vascular Biology and Regenerative Medicine, IRCCS Centro Cardiologico Monzino, I-20138- Milan, Italy; (E.G.); (B.B.); (G.P.)
| | - Stefano Genovese
- Unit of Diabetes, Endocrine and Metabolic Diseases, IRCCS Centro Cardiologico Monzino, I-20138- Milan, Italy;
| | - Giulio Pompilio
- Unit of Vascular Biology and Regenerative Medicine, IRCCS Centro Cardiologico Monzino, I-20138- Milan, Italy; (E.G.); (B.B.); (G.P.)
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Oduro PK, Fang J, Niu L, Li Y, Li L, Zhao X, Wang Q. Pharmacological management of vascular endothelial dysfunction in diabetes: TCM and western medicine compared based on biomarkers and biochemical parameters. Pharmacol Res 2020; 158:104893. [PMID: 32434053 DOI: 10.1016/j.phrs.2020.104893] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/18/2020] [Accepted: 05/03/2020] [Indexed: 12/20/2022]
Abstract
Diabetes, a worldwide health concern while burdening significant populace of countries with time due to a hefty increase in both incidence and prevalence rates. Hyperglycemia has been buttressed both in clinical and experimental studies to modulate widespread molecular actions that effect macro and microvascular dysfunctions. Endothelial dysfunction, activation, inflammation, and endothelial barrier leakage are key factors contributing to vascular complications in diabetes, plus the development of diabetes-induced cardiovascular diseases. The recent increase in molecular, transcriptional, and clinical studies has brought a new scope to the understanding of molecular mechanisms and the therapeutic targets for endothelial dysfunction in diabetes. In this review, an attempt made to discuss up to date critical and emerging molecular signaling pathways involved in the pathophysiology of endothelial dysfunction and viable pharmacological management targets. Importantly, we exploit some Traditional Chinese Medicines (TCM)/TCM isolated bioactive compounds modulating effects on endothelial dysfunction in diabetes. Finally, clinical studies data on biomarkers and biochemical parameters involved in the assessment of the efficacy of treatment in vascular endothelial dysfunction in diabetes was compared between clinically used western hypoglycemic drugs and TCM formulas.
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Affiliation(s)
- Patrick Kwabena Oduro
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China
| | - Jingmei Fang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China
| | - Lu Niu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China
| | - Yuhong Li
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China; Tianjin Key Laboratory of Chinese medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Lin Li
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China; Tianjin Key Laboratory of Chinese medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Xin Zhao
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China; Tianjin Key Laboratory of Chinese medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Qilong Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin 301617, PR China; Tianjin Key Laboratory of Chinese medicine Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China.
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Gou L, Liu G, Ma R, Regmi A, Zeng T, Zheng J, Zhong X, Chen L. High fat-induced inflammation in vascular endothelium can be improved by Abelmoschus esculentus and metformin via increasing the expressions of miR-146a and miR-155. Nutr Metab (Lond) 2020; 17:35. [PMID: 32467714 PMCID: PMC7222555 DOI: 10.1186/s12986-020-00459-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 05/07/2020] [Indexed: 12/16/2022] Open
Abstract
Background Obesity is associated with chronic inflammation, which contributes to cardiovascular diseases. MicroRNAs (miRNAs) are reported to be involved in vascular inflammation and atherosclerosis. Abelmoschus esculentus (AE) and metformin have been suggested to improve inflammation in vascular system. The aim of this study is to evaluate whether miRNAs are involved in high fat induced endothelial inflammation, and whether AE and metformin improve endothelial inflammation by regulating miRNAs. Methods We established high fat treated rats and human aortic endothelial cells (HAECs). AE and metformin were added to explore their effects on endothelial inflammation induced by high fat and the possible mechanism. Results The vascular inflammatory genes were increased in rats treated with high fat diet. The decreased miR-146a and miR-155 were involved in endothelial inflammation induced by high fat through targeting IL-1 receptor-associated kinase 1 (IRAK1), TNF receptor-associated factor 6 (TRAF6) and nuclear factor-κB p65 (NF-κB p65), respectively. While AE and metformin could ameliorate the endothelial inflammation by increasing miR-146a and miR-155. Conclusions These results indicate that miR-146a and miR-155 play roles in the high fat induced endothelial inflammation, which could be potential therapeutic targets. AE and metformin can attenuate endothelial inflammation through regulating miR-146a and miR-155.
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Affiliation(s)
- Luoning Gou
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,2Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Geng Liu
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Rong Ma
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Anita Regmi
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Tianshu Zeng
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Juan Zheng
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Xueyu Zhong
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Lulu Chen
- 1Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022 China.,Hubei provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
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25
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Tentolouris A, Eleftheriadou I, Tzeravini E, Tsilingiris D, Paschou SA, Siasos G, Tentolouris N. Endothelium as a Therapeutic Target in Diabetes Mellitus: From Basic Mechanisms to Clinical Practice. Curr Med Chem 2020; 27:1089-1131. [PMID: 30663560 DOI: 10.2174/0929867326666190119154152] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 12/28/2018] [Accepted: 01/09/2019] [Indexed: 12/12/2022]
Abstract
Endothelium plays an essential role in human homeostasis by regulating arterial blood pressure, distributing nutrients and hormones as well as providing a smooth surface that modulates coagulation, fibrinolysis and inflammation. Endothelial dysfunction is present in Diabetes Mellitus (DM) and contributes to the development and progression of macrovascular disease, while it is also associated with most of the microvascular complications such as diabetic retinopathy, nephropathy and neuropathy. Hyperglycemia, insulin resistance, hyperinsulinemia and dyslipidemia are the main factors involved in the pathogenesis of endothelial dysfunction. Regarding antidiabetic medication, metformin, gliclazide, pioglitazone, exenatide and dapagliflozin exert a beneficial effect on Endothelial Function (EF); glimepiride and glibenclamide, dipeptidyl peptidase-4 inhibitors and liraglutide have a neutral effect, while studies examining the effect of insulin analogues, empagliflozin and canagliflozin on EF are limited. In terms of lipid-lowering medication, statins improve EF in subjects with DM, while data from short-term trials suggest that fenofibrate improves EF; ezetimibe also improves EF but further studies are required in people with DM. The effect of acetylsalicylic acid on EF is dose-dependent and lower doses improve EF while higher ones do not. Clopidogrel improves EF, but more studies in subjects with DM are required. Furthermore, angiotensin- converting-enzyme inhibitors /angiotensin II receptor blockers improve EF. Phosphodiesterase type 5 inhibitors improve EF locally in the corpus cavernosum. Finally, cilostazol exerts favorable effect on EF, nevertheless, more data in people with DM are required.
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Affiliation(s)
- Anastasios Tentolouris
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Evangelia Tzeravini
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Dimitrios Tsilingiris
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Stavroula A Paschou
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Gerasimos Siasos
- First Department of Cardiology, Hippokration Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, 1st Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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Foretz M, Guigas B, Viollet B. Understanding the glucoregulatory mechanisms of metformin in type 2 diabetes mellitus. Nat Rev Endocrinol 2019; 15:569-589. [PMID: 31439934 DOI: 10.1038/s41574-019-0242-2] [Citation(s) in RCA: 333] [Impact Index Per Article: 66.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/11/2019] [Indexed: 02/07/2023]
Abstract
Despite its position as the first-line drug for treatment of type 2 diabetes mellitus, the mechanisms underlying the plasma glucose level-lowering effects of metformin (1,1-dimethylbiguanide) still remain incompletely understood. Metformin is thought to exert its primary antidiabetic action through the suppression of hepatic glucose production. In addition, the discovery that metformin inhibits the mitochondrial respiratory chain complex 1 has placed energy metabolism and activation of AMP-activated protein kinase (AMPK) at the centre of its proposed mechanism of action. However, the role of AMPK has been challenged and might only account for indirect changes in hepatic insulin sensitivity. Various mechanisms involving alterations in cellular energy charge, AMP-mediated inhibition of adenylate cyclase or fructose-1,6-bisphosphatase 1 and modulation of the cellular redox state through direct inhibition of mitochondrial glycerol-3-phosphate dehydrogenase have been proposed for the acute inhibition of gluconeogenesis by metformin. Emerging evidence suggests that metformin could improve obesity-induced meta-inflammation via direct and indirect effects on tissue-resident immune cells in metabolic organs (that is, adipose tissue, the gastrointestinal tract and the liver). Furthermore, the gastrointestinal tract also has a major role in metformin action through modulation of glucose-lowering hormone glucagon-like peptide 1 and the intestinal bile acid pool and alterations in gut microbiota composition.
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Affiliation(s)
- Marc Foretz
- INSERM, U1016, Institut Cochin, Paris, France
- CNRS, UMR8104, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bruno Guigas
- Department of Parasitology, Leiden University Medical Centre, Leiden, Netherlands
| | - Benoit Viollet
- INSERM, U1016, Institut Cochin, Paris, France.
- CNRS, UMR8104, Paris, France.
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
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Martin LM, Möller M, Weiss U, Russe OQ, Scholich K, Pierre S, Geisslinger G, Niederberger E. 5-Amino-1-β-D-Ribofuranosyl-Imidazole-4-Carboxamide (AICAR) Reduces Peripheral Inflammation by Macrophage Phenotype Shift. Int J Mol Sci 2019; 20:ijms20133255. [PMID: 31269729 PMCID: PMC6651813 DOI: 10.3390/ijms20133255] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/25/2019] [Accepted: 06/27/2019] [Indexed: 12/18/2022] Open
Abstract
The stimulation of the AMP-activated kinase (AMPK) by 5-amino-1-β-D-ribofuranosyl-imidazole-4-carboxamide (AICAR) has been associated with antihyperalgesia and the inhibition of nociceptive signaling in the spinal cord in models of paw inflammation. The attenuated nociception comes along with a strongly reduced paw edema, indicating that peripheral antiinflammatory mechanisms contribute to antinociception. In this study, we investigated the impact of AICAR on the immune cell composition in inflamed paws, as well as the regulation of inflammatory and resolving markers in macrophages. By using fluorescence-activated cell sorting (FACS) analysis and immunofluorescence, we found a significantly increased fraction of proresolving M2 macrophages and anti-inflammatory interleukin (IL)-10 in inflamed tissue, while M1 macrophages and proinflammatory cytokines such as IL-1 were decreased by AICAR in wild type mice. In AMPKα2 knock-out mice, the M2 polarization of macrophages in the paw was missing. The results were supported by experiments in primary macrophage cultures which also showed a shift to a proresolving phenotype with decreased levels of proinflammatory mediators and increased levels of antiinflammatory mediators. However, in the cell cultures, we did not observe differences between the AMPKα2+/+ and -/- cells, thus indicating that the AICAR-induced effects are at least partially AMPK-independent. In summary, our results indicate that AICAR has potent antiinflammatory and proresolving properties in inflammation which are contributing to a reduction of inflammatory edema and antinociception.
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Affiliation(s)
- Lisa Maria Martin
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Moritz Möller
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Ulrike Weiss
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Otto Quintus Russe
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Klaus Scholich
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Sandra Pierre
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Gerd Geisslinger
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Ellen Niederberger
- pharmazentrum frankfurt/ZAFES, Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany.
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Metformin Regulates the Expression of SK2 and SK3 in the Atria of Rats With Type 2 Diabetes Mellitus Through the NOX4/p38MAPK Signaling Pathway. J Cardiovasc Pharmacol 2019; 72:205-213. [PMID: 30188871 DOI: 10.1097/fjc.0000000000000615] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
We previously found that metformin regulates the ion current conducted by the small conductance calcium-activated potassium channels (SK channels) in the atria of rats with type 2 diabetes mellitus (T2DM) as well as the mRNA and protein expression of the SK2 and SK3 subtypes of SK channels. In this study, we hypothesized that the nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4)/p38 mitogen-activated protein kinase (p38MAPK) signaling pathway was involved in the metformin-mediated regulation of SK2 and SK3 expression in the atria of rats with T2DM. We randomly divided Wistar rats into the control group, the untreated T2DM group, the metformin-treated group, the group receiving subcutaneous injections of the nicotinamide adenine dinucleotide phosphate oxidase (NOX) inhibitor diphenyleneiodonium (DPI), and the group receiving tail vein injections of the p38MAPK agonist anisomycin. Real-time polymerase chain reaction, Western blot, and immunohistochemistry were applied to examine the expression levels of SK2, SK3, NOX4, and phospho-p38MAPK (p-p38MAPK) mRNAs and proteins in the atrial tissue of relevant groups. We observed that the expression levels of NOX4 mRNA and protein and p-p38MAPK protein were significantly elevated in the atria of rats with T2DM compared with the control group. In addition, SK2 protein expression was reduced, whereas SK3 protein expression was increased. The 8-week treatment with metformin markedly reduced the expression levels of NOX4 mRNA and protein and p-p38MAPK protein, upregulated the SK2 expression, and downregulated the SK3 expression. Tail vein injection with anisomycin significantly increased the p-p38MAPK expression while further inhibiting the expression of SK2 and enhancing the expression of SK3. Subcutaneous injection with DPI considerably inhibited the expression of NOX4, further enhanced the expression of SK2 and suppressed the expression of SK3. In addition, subcutaneous injection with DPI significantly suppressed the phosphorylation of p38MAPK. In conclusion, the NOX4/p38MAPK signaling pathway mediates the downregulation of SK2 and the upregulation of SK3 in the atria of rats with T2DM. Long-term metformin treatment upregulates SK2 protein expression and downregulates SK3 protein expression by inhibiting the NOX4/p38MAPK signaling pathway.
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Liu CH, Hua N, Fu X, Pan YL, Li B, Li XD. Metformin regulates atrial SK2 and SK3 expression through inhibiting the PKC/ERK signaling pathway in type 2 diabetic rats. BMC Cardiovasc Disord 2018; 18:236. [PMID: 30545309 PMCID: PMC6293565 DOI: 10.1186/s12872-018-0950-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 11/09/2018] [Indexed: 01/01/2023] Open
Abstract
Background Our previous study showed that metformin regulates the mRNA and protein levels of type 2 small conductance calcium-activated potassium channel (SK2) and type 3 small conductance calcium-activated potassium channels (SK3) in atrial tissue as well as the ion current of atrial myocytes in rats with type 2 diabetes mellitus (T2DM), but the underlying signaling mechanism is unknown. This study aimed to investigate whether metformin regulates atrial SK2 and SK3 protein expression in T2DM rats though the protein kinase C (PKC)/extracellular signal-regulated kinase (ERK) signaling pathway. Methods A T2DM rat model was established using a high-fat and high-sugar diet combined with a low-dose intraperitoneal injection of streptozotocin (STZ). The rats were randomly divided into the following five groups: the control group, the untreated T2DM group, the metformin-treated only group, the phorbol 12-myristate 13-acetate (PMA; a PKC agonist administered by intraperitoneal injection) treatment group, and the recombinant human epidermal growth factor (rh-EGF; an ERK agonist administered by tail vein injection) treatment group. The activity of PKC in atrial tissues was assayed by a PKC kinase activity assay kit. The protein expression of SK2, SK3, and phosphorylated ERK (pERK) were determined by western blotting and immunohistochemistry. Results Compared with the Control group, atrial PKC activity and pERK and SK3 protein expression were increased, while SK2 protein expression was decreased in atrial tissues of T2DM rats. Eight weeks of metformin treatment inhibited the PKC activity and pERK and SK3 expression, and elevated SK2 expression compared with the T2DM group. Compared with the metformin-treated only group, the injection of rh-EGF increased pERK and SK3 expression, and decreased SK2 expression; the injection of PMA increased PKC activity and SK3 expression, and decreased SK2 expression. In addition, the injection with PMA significantly elevated the expression of pERK. Conclusions The PKC/ERK signaling pathway is involved in the downregulation of SK2 expression and the upregulation of SK3 expression in the atrium of T2DM rats. Long-term metformin treatment prevents the SK2 downregulation and the SK3 upregulation through inhibiting the PKC/ERK signaling pathway. Electronic supplementary material The online version of this article (10.1186/s12872-018-0950-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chang-He Liu
- Department of Cardiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Na Hua
- Department of Otolaryngology, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, People's Republic of China
| | - Xi Fu
- Department of Cardiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Yi-Long Pan
- Department of Cardiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Bin Li
- Department of Cardiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Xiao-Dong Li
- Department of Cardiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China.
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El-Fatatry BM, Ibrahim OM, Hussien FZ, Mostafa TM. Role of metformin in oxaliplatin-induced peripheral neuropathy in patients with stage III colorectal cancer: randomized, controlled study. Int J Colorectal Dis 2018; 33:1675-1683. [PMID: 29931409 DOI: 10.1007/s00384-018-3104-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/13/2018] [Indexed: 02/04/2023]
Abstract
PURPOSE Peripheral sensory neuropathy is the most prominently reported adverse effect of oxaliplatin. The purpose of this study was to evaluate metformin role in oxaliplatin-induced neuropathy. PATIENTS AND METHODS From November 2014 to May 2016, 40 patients with stage III colorectal cancer completed 12 cycles of FOLFOX-4 regimen. Twenty patients in the control arm received FOLFOX-4 regimen only, and 20 patients in the metformin arm, received the same regimen along with metformin 500 mg three times daily. The metformin efficacy was evaluated using National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE version 4.0), a12-item neurotoxicity questionnaire (Ntx-12) from the validated Functional Assessment of Cancer Therapy/Gynecologic Oncology Group and, the brief pain inventory short form "worst pain" item. In addition to neurotensin, malondialdehyde and interleukin-6 serum levels assessment. RESULTS At the end of the 12th cycle, there were less patients with grade 2 and 3 neuropathy in metformin arm as compared to control arm. (60 versus 95%, P = 0.009) In addition, metformin arm showed significantly higher total scores of Ntx-12 questionnaire than control arm (24.0 versus 19.2, P < 0.001). Furthermore, the mean pain score in metformin arm was significantly lower than those of control arm, (6.7 versus 7.3, P = 0.005). Mean serum levels of malondialdehyde and neurotensin were significantly lower in metformin arm after the 6th and the 12th cycles. CONCLUSION Metformin may be a promising drug in protecting colorectal cancer patients against oxaliplatin-induced chronic peripheral sensory neuropathy.
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Affiliation(s)
| | - Osama Mohamed Ibrahim
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Fatma Zakaria Hussien
- Department of Clinical Oncology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Tarek Mohamed Mostafa
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tanta University, Tanta, Egypt
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Ji XX, Ji XJ, Li QQ, Lu XX, Luo L. Rosiglitazone Reduces Apoptosis and Inflammation in Lipopolysaccharide-Induced Human Umbilical Vein Endothelial Cells. Med Sci Monit 2018; 24:6200-6207. [PMID: 30185768 PMCID: PMC6140784 DOI: 10.12659/msm.910036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Although the peroxisome proliferator-activated receptor-g (PPARg) agonist rosiglitazone has significant anti-inflammatory properties, no scientific studies have provided new insights in its pharmacological properties with respect to acute respiratory distress syndrome (ARDS). The present investigation aimed to evaluate whether rosiglitazone can reduce apoptosis and inflammation in a lipopolysaccharide (LPS)-induced acute respiratory distress syndrome in vitro model. MATERIAL AND METHODS Human umbilical vein endothelial cells (HUVECs) were treated with 1 µg/ml LPS in the absence or presence of 10 µM rosiglitazone for 24 h. Cell viability was measured by MTT assay. Flow cytometry was used to examine the cell apoptosis and ROS production in HUVECs response to LPS and rosiglitazone. The levels of pro-inflammatory cytokine factors, including TNF-α, IL-6, CXCL12, and CXCR4, were measured by ELISA, real-time PCR, and Western blot assay, respectively. The expression of PPARg, Bcl-2, and Bax and the activity of JAK2 and STAT3 were also investigated by Western blot assay. RESULTS We found that rosiglitazone significantly inhibited LPS-induced cell apoptosis, ROS production, and inflammation in HUVECs. Furthermore, we found a significant reduction of JAK2/STAT3 activation and the Bax/Bcl-2 ratio in LPS-induced HUVECs response to rosiglitazone treatment. CONCLUSIONS Treatment with rosiglitazone can reduce apoptosis and inflammation in HUVECs induced by LPS.
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Affiliation(s)
- Xiao-Xia Ji
- Department of Critical Care Medicine, Wuxi No.2 Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu, China (mainland)
| | - Xiao-Jing Ji
- Department of Internal Medicine, Wuxi No.2 Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu, China (mainland)
| | - Qian-Qian Li
- Department of Critical Care Medicine, Wuxi No.2 Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu, China (mainland)
| | - Xiao-Xian Lu
- Department of Critical Care Medicine, Wuxi No.2 Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu, China (mainland)
| | - Liang Luo
- Department of Critical Care Medicine, Wuxi No.2 Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu, China (mainland)
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Antihyperglycemic drugs use and new-onset atrial fibrillation: A population-based nested case control study. PLoS One 2018; 13:e0197245. [PMID: 30161122 PMCID: PMC6116917 DOI: 10.1371/journal.pone.0197245] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Accepted: 04/30/2018] [Indexed: 12/19/2022] Open
Abstract
Currently, the potential risk of atrial fibrillation associated with antihyperglycemic drug use has been a topic of considerable interest. However, it remains uncertain whether different classes of antihyperglycemic drug therapy are associated with the risk of atrial fibrillation risk. Here, we investigated the association between different classes of antihyperglycemic drugs and new-onset atrial fibrillation (NAF). A case-matched study was performed based on the National Health Insurance Program in Taiwan. Patients who had NAF were considered the NAF group and were matched in a 1:4 ratio with patients without NAF, who were assigned to the non-NAF group. Patients were matched according to sex, age, diabetes mellitus duration, index date, and Charlson Comorbidity Index score. We used multivariate logistic regression controlling for potential confounders to examine the association between different classes of antihyperglycemic drug use and the risk of NAF. Overall, we identified 2,882 cases and 11,528 matched controls for the study. After adjusting for sex, age, comorbidities, and concurrent medications, users of biguanides or thiazolidinediones were at a lower risk of developing NAF when compared with non-users (odds ratio [OR] 0.81, 95% confidence interval [CI] 0.71–0.95 and OR 0.72, 95% CI 0.63–0.83, respectively). In contrast, users of insulin were at a higher risk of developing NAF than were non-users (OR 1.19, 95% CI 1.06–1.35). Sulfonylureas, glinides, α-glucosidase inhibitors, and dipeptidyl peptidase-4 inhibitors were not associated with developing the risk of NAF. In conclusion, the use of biguanides or thiazolidinediones may be associated with a low risk of NAF, whereas insulin may be associated with a significant increase in the risk of NAF in patients with type 2 diabetes mellitus during long-term follow-up. Further prospective randomized studies should investigate which specific class of antihyperglycemic drug treatment for diabetes mellitus can prevent or postpone NAF.
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Pereira CA, Carneiro FS, Matsumoto T, Tostes RC. Bonus Effects of Antidiabetic Drugs: Possible Beneficial Effects on Endothelial Dysfunction, Vascular Inflammation and Atherosclerosis. Basic Clin Pharmacol Toxicol 2018; 123:523-538. [DOI: 10.1111/bcpt.13054] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 06/04/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Camila A. Pereira
- Department of Pharmacology; Ribeirao Preto Medical School; University of Sao Paulo; Ribeirao Preto Brazil
| | - Fernando S. Carneiro
- Department of Pharmacology; Ribeirao Preto Medical School; University of Sao Paulo; Ribeirao Preto Brazil
| | - Takayuki Matsumoto
- Department of Physiology and Morphology; Institute of Medicinal Chemistry; Hoshi University; Shinagawa-ku Tokyo Japan
| | - Rita C. Tostes
- Department of Pharmacology; Ribeirao Preto Medical School; University of Sao Paulo; Ribeirao Preto Brazil
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Bulatova N, Kasabri V, Qotineh A, Al-Athami T, Yousef AM, AbuRuz S, Momani M, Zayed A. Effect of metformin combined with lifestyle modification versus lifestyle modification alone on proinflammatory-oxidative status in drug-naïve pre-diabetic and diabetic patients: A randomized controlled study. Diabetes Metab Syndr 2018; 12:257-267. [PMID: 29221717 DOI: 10.1016/j.dsx.2017.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 11/22/2017] [Indexed: 12/29/2022]
Abstract
BACKGROUND Targeting biomarkers of oxidative-proinflammatory stress may result in improvement of modifiable metabolic syndrome, pre-diabetes and diabetes risk factors and subsequent risk reduction. METHODS 64 newly diagnosed antihyperglycemic treatment-naïve prediabetic and type 2 diabetes mellitus (T2DM) patients were randomly assigned using block design to either metformin combined with therapeutic lifestyle changes (TLC) or TLC alone. Body mass index (BMI), waist circumference, blood pressure, fasting plasma glucose (FPG), glycated hemoglobin (HbA1c), fasting lipid profile, plasma oxidative status and tumor necrosis factor (TNF)-α were measured at baseline, after 3 months and after 6 months from baseline. RESULTS Except for HbA1c, baseline values did not differ significantly between the two groups. The post 3-months relative reductions in BMI (P=0.014) and HbA1c (P=0.037) in metformin combined with TLC intervention were significantly greater than those in TLC alone group. TNFα plasma levels were decreased significantly vs. baseline by metformin combined with TLC intervention (-22.90±46.76%, P=0.01). Conversely, TLC alone basically worsened proinflammatory status (42.40±40.82 %), P<0.001. Metformin with TLC treatment effected a therapeutic decrement of the oxidative stress (-15.44±35.32%, P=0.029 vs. baseline) unlike TLC alone (61.49±122.66%, P=0.01 vs. baseline). Both interventions' effects were sustained in the 6-month follow up periods. CONCLUSION In both intervention groups, the relative changes in plasma TNFα were significantly correlated (P<0.01) with systolic blood pressure and the relative changes in oxidative stress were markedly correlated (P<0.05) with total cholesterol.
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Affiliation(s)
- Nailya Bulatova
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
| | - Violet Kasabri
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan.
| | - Amenah Qotineh
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
| | - Taiba Al-Athami
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
| | - Al-Motassem Yousef
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
| | - Salah AbuRuz
- School of Pharmacy, The University of Jordan, Queen Rania Street, Amman 11942, Jordan; College of Pharmacy, Al Ain University of Science and Technology, AL Ain, Abu Dhabi, United Arab Emirates
| | - Munther Momani
- School of Medicine, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
| | - Aymen Zayed
- School of Medicine, The University of Jordan, Queen Rania Street, Amman 11942, Jordan
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Tang GH, Satkunam M, Pond GR, Steinberg GR, Blandino G, Schünemann HJ, Muti P. Association of Metformin with Breast Cancer Incidence and Mortality in Patients with Type II Diabetes: A GRADE-Assessed Systematic Review and Meta-analysis. Cancer Epidemiol Biomarkers Prev 2018; 27:627-635. [PMID: 29618465 DOI: 10.1158/1055-9965.epi-17-0936] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 12/15/2017] [Accepted: 03/30/2018] [Indexed: 11/16/2022] Open
Abstract
Background: Preclinical data suggest that metformin may reduce breast cancer incidence and improve cancer prognosis. However, the current evidence in observational studies is inconclusive. A systematic review and meta-analysis was conducted to assess the effect of metformin on the incidence of breast cancer and all-cause mortality in patients with type II diabetes (T2D).Methods: A literature search was performed on Medline, EMBASE, and the Cochrane library from inception to November 2016. Outcomes were incidence of breast cancer and all-cause mortality. Risk of bias and overall certainty of evidence was assessed using the Newcastle-Ottawa Scale and Grading of Recommendations Assessment, Development, and Evaluation (GRADE), respectively. Meta-analyses were performed using the most fully adjusted ORs or HRs and 95% confidence intervals (95% CI) as effect measures.Results: A total of 12 observational studies were included for breast cancer incidence and 11 studies for all-cause mortality. No significant association was found between metformin exposure and incidence of breast cancer (OR = 0.93; 95% CI, 0.85-1.03; I2 = 35%). A 45% risk reduction was observed for all-cause mortality (HR = 0.55; 95% CI, 0.44-0.70; I2 = 81%). Presence of publication bias is strongly suspected for both outcomes using Egger's funnel plots.Conclusions: The use of metformin may improve overall survival in patients with T2D and breast cancer. No effect of metformin on the incidence of breast cancer was observed. Interpretation of results is limited by the observational nature of the studies and resulting biases.Impact: Clinical trials are warranted to determine the role of metformin in breast cancer risk reduction and prognosis. Cancer Epidemiol Biomarkers Prev; 27(6); 627-35. ©2018 AACR.
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Affiliation(s)
- Grace H Tang
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Meloja Satkunam
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Gregory R Pond
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada.,Department of Oncology, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Gregory R Steinberg
- Department of Medicine, Division of Endocrinology, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada.,Department of Biochemistry and Biomedical Sciences, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Giovanni Blandino
- Department of Oncology, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada.,Oncogenomic and Epigenetic Unit, Italian National Cancer Institute 'Regina Elena,' Rome, Italy
| | - Holger J Schünemann
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Paola Muti
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada. .,Department of Oncology, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
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Jing Y, Wu F, Li D, Yang L, Li Q, Li R. Metformin improves obesity-associated inflammation by altering macrophages polarization. Mol Cell Endocrinol 2018; 461:256-264. [PMID: 28935544 DOI: 10.1016/j.mce.2017.09.025] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 08/24/2017] [Accepted: 09/16/2017] [Indexed: 11/20/2022]
Abstract
Obesity is reported to be a chronic low-grade inflammatory state. Adipose tissue macrophages play a key role in obesity-related inflammation. Metformin, the most widely used anti-diabetic drug, has recently been reported to have an effect on inflammation, but the mechanism is poorly understood. This study aims to investigate how metformin works on chronic low-grade inflammation in obesity and whether the mechanism underlying it is associated with macrophage polarization. Metformin was administered for 7 weeks to high fat-fed C57/6J male mice in vivo. Metformin, compound C (an AMPK inhibitor) and AICAR (an AMPK activator) were used for the in vitro intervention. The gene expression of macrophages markers was examined. Pro-inflammatory cytokines IL-6 and TNF-α were tested by ELISA. The macrophage subsets were analyzed by flow cytometry. In vivo, we discovered that metformin not only decreased the serum level of the pro-inflammatory cytokines IL-6 and TNF-α but also lowered the expression of the M1 macrophage markers CD11c and MCP-1 in adipose tissue. In vitro, metformin reduced the secretion of IL-6 and TNF-α in palmitate-stimulated RAW264.7 macrophages, while compound C treatment blocked the effect of metformin. Moreover, treatment with metformin and AICAR decreased the proportion of M1 macrophages and increased the proportion of M2 macrophages, as analyzed by flow cytometry, in palmitate-stimulated BMDMs. In addition, the effect of AICAR on macrophage polarization was stronger than that of metformin. These results suggest that metformin improves low-grade inflammation in obesity and modulates macrophage polarization to an anti-inflammatory, M2 phenotype partly via the activation of AMPK.
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Affiliation(s)
- Yuanyuan Jing
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Fan Wu
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Dai Li
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Lei Yang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qi Li
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Rong Li
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Liu M, Lin X, Wang X. Decrease in serum chemerin through aerobic exercise plus dieting and its association with mitigation of cardio-metabolic risk in obese female adolescents. J Pediatr Endocrinol Metab 2018; 31:127-135. [PMID: 29306931 DOI: 10.1515/jpem-2017-0431] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 11/28/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND The objective of this study was to determine the effects of a 4-week aerobic exercise plus dieting intervention on serum chemerin in obese female adolescents and its possible role in mitigating cardio-metabolic risk including glucose and lipid metabolism, central fat and inflammation. METHODS Fifty obese female adolescents were randomly divided into two groups: exercise plus dieting group (n=30) and dieting group (n=20). The participants in the exercise plus dieting group completed 4 weeks of moderate aerobic exercise combined with dieting, while the subjects in the dieting group undertook only dieting. Before and after the experiments, anthropometric index, parameters of glucose and lipid metabolism, serum chemerin and classic inflammatory indicators (C-reactive protein [CRP], tumor necrosis factor-α [TNF-α], interleukin-1β [IL-1β], IL-6, leptin and adiponectin) were measured. RESULTS Compared with the dieting group, a decrease in serum chemerin was found in the exercise plus dieting group, accompanied by significant improvements in anthropometric index, glucose and lipid metabolism and inflammatory factors. In addition, a higher serum chemerin level was found in obese adolescents with metabolic syndrome (MetS), and the disappearance of MetS induced by exercise plus dieting might be related to the decrease in chemerin. Correlation analysis showed the correlations of the decrease in chemerin with the changes in body fat, glucose and lipid metabolic index, leptin and adiponectin/leptin ratio. CONCLUSIONS This is the first report that as short a duration as 4-week aerobic exercise plus dieting decreased serum chemerin in obese female adolescents, which might be associated with the improvement in glucose and lipid metabolism, mitigation of inflammation and decrease in MetS incidence, thus lowering cardio-metabolic risk, while no health benefit resulted from slight dieting.
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Affiliation(s)
- Min Liu
- School of Athletic Sports, Shanghai University of Sport, Shanghai, P.R. China
| | - Xiaojing Lin
- School of Kinesiology, Shanghai University of Sport, Shanghai, P.R. China
| | - Xiaohui Wang
- School of Kinesiology, Shanghai University of Sport, 200 Hengren Road, Yangpu District, Shanghai 200438, P.R. China, Phone: +86-21-51253520, Fax: +86-21-51253380
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Xu C, Zhao J, Zhou X, Zhang R, Xie T, Zou Z, Liao L, Dong J. Thiazolidinediones versus metformin on improving abnormal liver enzymes in patients with type 2 diabetes mellitus: a meta-analysis. Oncotarget 2018; 9:12389-12399. [PMID: 29552319 PMCID: PMC5844755 DOI: 10.18632/oncotarget.24222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 12/05/2017] [Indexed: 12/30/2022] Open
Abstract
Background Liver enzyme abnormalities are common in patients with type 2 diabetes. Currently, the inverse relationship between elevated liver enzymes and antidiabetics intake may be explained by rigorous treatment and good control. However, few studies have directly explored the influence of antidiabetics on abnormal liver function, especially the comparison between two insulin sensitizers—thiazolidinediones and metformin. Materials And Methods Databases, including PubMed, Cochrane, CNKI, Wanfang and VIP were searched. Two reviewers performed independently. Meta-analysis was used when studies were homogeneous enough. Results Six studies, including 4726 patients with type 2 diabetes, were involved in this systematic review. Compared with metformin, thiazolidinediones significantly reduced the alanine transaminase, aspartate aminotransferase and gamma-glutamyl transpeptidase. Further subgroup analysis suggested that pioglitazone-treated participants showed vast improvement in decreasing alanine transaminase (MD = -13.70; 95% CI = -16.91 to -10.52; P < 0.00001; I2 = 1%), aspartate aminotransferase (MD = -3.51; 95% CI = -5.74 to –1.28; P = 0.002; I2 = 0%) and gamma-glutamyl transpeptidase (MD = -5.41; 95% CI = -9.40 to -1.42; P = 0.008; I2 = 0%), while rosiglitazone exhibited no difference in lowering corresponding liver enzyme levels. Besides, thiazolidinediones similarly decreased fasting plasma glucose. However, thiazolidinediones were inferior to metformin in lowering HbA1C and alkaline phosphatase. Additionally, no significant publication bias was seen. Conclusions Thiazolidinediones may confer modest biological improvement of liver function in people with type 2 diabetes than metformin. But owing to the limited methodological quality, more clinical researches are warranted in the future.
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Affiliation(s)
- Chunmei Xu
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Junyu Zhao
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Xiaojun Zhou
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Rui Zhang
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Tianyue Xie
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhiwei Zou
- Department of Medicine, Division of Endocrinology, Qilu Hospital of Shandong University, Shandong University, Jinan, China
| | - Lin Liao
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Jianjun Dong
- Department of Medicine, Division of Endocrinology, Qilu Hospital of Shandong University, Shandong University, Jinan, China
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Wu Y, Tang L, Zhang F, Yan Z, Li J, Tong N. Evaluation of the HbA1c Reduction Cut Point for a Nonglycemic Effect on Cardiovascular Benefit of Hypoglycemic Agents in Patients with Type 2 Diabetes Based on Endpoint Events. Int J Endocrinol 2018; 2018:8457538. [PMID: 29849624 PMCID: PMC5933032 DOI: 10.1155/2018/8457538] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 03/02/2018] [Accepted: 03/08/2018] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Atherosclerotic cardiovascular disease (ASCVD) is a major cause of death among patients with diabetes but can be improved by certain hypoglycemic agents. However, adjudicating criteria on whether improvements are a glycemic or nonglycemic effect of these agents remain unclear. METHODS Hypoglycemic agents that produce a cardiovascular benefit in nondiabetic patients are considered to do so via a nonglycemic effect. We performed a subgroup analysis for primary and secondary prevention or very high risk of ASCVD in patients with type 2 diabetes (T2DM). Where glycosylated hemoglobin (HbA1c) was reduced to the same extent in a head-to-head comparison, cardiovascular benefits were judged as a nonglycemic effect. Furthermore, by analyzing the endpoints of four important randomized controlled intensive glucose control studies, UKPDS33, ADVANCE, ACCORD, and VADT, we calculated the cut point of HbA1c reduction for a nonglycemic effect on cardiovascular benefit by hypoglycemic agents in ASCVD groups of different severities. RESULTS For the ASCVD primary prevention group of T2DM, UKPDS33 indicated a reduction in HbA1c < 0.9%, and a cardiovascular benefit within 10 years was considered a nonglycemic effect. For ASCVD secondary prevention or in the very high-risk group, pioglitazone exerted a nonglycemic effect on cardiovascular benefit in nondiabetic patients with insulin resistance; metformin may exert a similar effect in T2DM patients in a head-to-head study. Analysis of T2DM intensive glucose control studies showed a reduction in HbA1c of <1.0%, and a cardiovascular benefit after approximately 5 years was deemed a nonglycemic effect. CONCLUSIONS For ASCVD primary prevention in T2DM, a reduction in HbA1c < 0.9% and a cardiovascular benefit within 10 years were considered a nonglycemic effect. For ASCVD secondary prevention or in a very high-risk population, a reduction in HbA1c < 1.0% and a cardiovascular benefit within about 5 years were also considered a nonglycemic effect.
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Affiliation(s)
- Yuchao Wu
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Lizhi Tang
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Fang Zhang
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Zhe Yan
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Jing Li
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Nanwei Tong
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
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Badavi M, Bazaz A, Dianat M, Sarkaki A. Gallic acid improves endothelium-dependent vasodilatory response to histamine in the mesenteric vascular bed of diabetic rats. J Diabetes 2017; 9:1003-1011. [PMID: 27943652 DOI: 10.1111/1753-0407.12513] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 11/02/2016] [Accepted: 11/27/2016] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Endothelial dysfunction is one of the many complications caused by diabetes mellitus. The aim of the present study was to evaluate the effects of gallic acid (GA) on the mesenteric vascular bed (MVB) response to histamine in diabetic rats. METHODS Forty male Wistar rats were randomly assigned to a control group, an untreated alloxan-induced diabetic group and three diabetic groups treated with different doses of GA. Six weeks after induction of diabetes and GA treatment, total antioxidant capacity (TAC), malondialdehyde (MDA) concentrations, and the vasodilatory response to histamine of the MVB (measured as changes in perfusion pressure) were determined. RESULTS The vasodilatory response to histamine and TAC decreased, whereas MDA increased in the plasma from diabetic rats (P < 0.01). However, in the presence of 3 × 10-5 mol/L N G -nitro-l-arginine methyl ester (a nitric oxide synthase inhibitor) and 1 × 10-5 mol/L indomethacin (an inhibitor of prostaglandin production), the vasodilatory response of the MVB to histamine was reduced in all groups (P < 0.001). Treatment of diabetic rats with 20 and 40 mg/kg per day GA, but not 10 mg/kg per day GA, increased TAC and decreased MDA concentrations (P < 0.01 and P < 0.001 vs untreated diabetic rats, respectively) and significantly improved the vasodilatory response to histamine (P < 0.05 and P < 0.001, respectively). CONCLUSION The results show that, in diabetic rats, the endothelium-dependent vasodilatory response of the MVB to histamine is significantly decreased and depends on both nitric oxide- and prostaglandin-producing pathways and may be mediated by oxidative stress. Treatment with the antioxidant GA restored the vasodilatory response of the MVB to histamine.
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Affiliation(s)
- Mohammad Badavi
- Department of Physiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
- Ahvaz Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
- Atherosclerosis Research Center at Golestan Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Amir Bazaz
- Department of Physiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Mahin Dianat
- Department of Physiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
- Ahvaz Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Alireza Sarkaki
- Department of Physiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
- Ahvaz Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
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Yang X, Duo‐Ji M, Long Z. Efficacy and Safety of Single‐ or Double‐Drug Antidiabetic Regimens in the Treatment of Type 2 Diabetes Mellitus: A Network Meta‐Analysis. J Cell Biochem 2017; 118:4536-4547. [DOI: 10.1002/jcb.26115] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 05/03/2017] [Indexed: 01/18/2023]
Affiliation(s)
- Xi‐Ling Yang
- Department of MedicineShigatse People's HospitalShigatse857000P.R. China
| | - Mi‐Ma Duo‐Ji
- Department of MedicineShigatse People's HospitalShigatse857000P.R. China
| | - Zi‐Wen Long
- Department of MedicineShigatse People's HospitalShigatse857000P.R. China
- Department of Gastric Cancer SurgeryFudan University Shanghai Cancer CenterShanghai200032P.R. China
- Department of OncologyShanghai Medical College of Fudan UniversityShanghai200032P.R. China
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Protective effect of rosiglitazone on kidney function in high-fat challenged human-CRP transgenic mice: a possible role for adiponectin and miR-21? Sci Rep 2017; 7:2915. [PMID: 28588299 PMCID: PMC5460286 DOI: 10.1038/s41598-017-02444-2] [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] [Received: 07/22/2016] [Accepted: 04/12/2017] [Indexed: 02/02/2023] Open
Abstract
Obesity-related albuminuria is associated with decline of kidney function and is considered a first sign of diabetic nephropathy. Suggested factors linking obesity to kidney dysfunction include low-grade inflammation, insulin resistance and adipokine dysregulation. Here, we investigated the effects of two pharmacological compounds with established anti-inflammatory properties, rosiglitazone and rosuvastatin, on kidney dysfunction during high-fat diet (HFD)-induced obesity. For this, human CRP transgenic mice were fed standard chow, a lard-based HFD, HFD+rosuvastatin or HFD+rosiglitazone for 42 weeks to study effects on insulin resistance; plasma inflammatory markers and adipokines; and renal pathology. Rosiglitazone but not rosuvastatin prevented HFD-induced albuminuria and renal fibrosis and inflammation. Also, rosiglitazone prevented HFD-induced KIM-1 expression, while levels were doubled with rosuvastatin. This was mirrored by miR-21 expression, which plays a role in fibrosis and is associated with renal dysfunction. Plasma insulin did not correlate with albuminuria. Only rosiglitazone increased circulating adiponectin concentrations. In all, HFD-induced albuminuria, and renal inflammation, injury and fibrosis is prevented by rosiglitazone but not by rosuvastatin. These beneficial effects of rosiglitazone are linked to lowered miR-21 expression but not connected with the selectively enhanced plasma adiponectin levels observed in rosiglitazone-treated animals.
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Ma S, Zheng Y, Xiao Y, Zhou P, Tan H. Meta-analysis of studies using metformin as a reducer for liver cancer risk in diabetic patients. Medicine (Baltimore) 2017; 96:e6888. [PMID: 28489794 PMCID: PMC5428628 DOI: 10.1097/md.0000000000006888] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Metformin has garnered more interest as a chemo-preventive agent given the increased liver cancer risk in diabetic patients. This work was undertaken to better understand the effect of metformin use on liver cancer risk in diabetic patients.A comprehensive literature search was performed in PubMed, Embase, BIOSIS Previews, Web of Science, and Cochrane Library through July 30, 2016. Meta-analyses were performed using Stata version 12.0, with odds ratio (ORs) and 95% confidence intervals (CIs) as effect measures.Twenty-three studies were included. Meta-analysis of 19 studies involving 550,882 diabetic subjects suggested that metformin use reduced the ratio of liver cancer by 48% (OR = 0.52; 95% CI, 0.40-0.68) compared with nonusers. The protective effect was validated in all the exploratory subgroup analyses, except that pooled result of post hoc analyses of 2 randomized controlled trials found no significant difference between subjects with metformin and those without, with OR being 0.84 (95% CI, 0.10-6.83). After adjusting for hepatitis B/C virus infection, cirrhosis, obesity, behavioral factors, and time-related bias, the association was stable, pooled OR ranged from 0.42 to 0.75.A protective effect for liver cancer was found in diabetic metformin users. However, more randomized clinical evidence is still needed to verify the results.
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Affiliation(s)
- Shujuan Ma
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University
| | - Yixiang Zheng
- Viral Hepatitis Key Laboratory of Hunan Province, Department of Infectious Disease, Xiangya Hospital, Central South University, Changsha, China
| | - Yanni Xiao
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University
| | - Pengcheng Zhou
- Viral Hepatitis Key Laboratory of Hunan Province, Department of Infectious Disease, Xiangya Hospital, Central South University, Changsha, China
| | - Hongzhuan Tan
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University
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Chen HY, Yang FY, Jong GP, Liou YS. Antihyperglycemic drugs use and new-onset atrial fibrillation in elderly patients. Eur J Clin Invest 2017; 47:388-393. [PMID: 28369870 DOI: 10.1111/eci.12754] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 03/27/2017] [Indexed: 01/23/2023]
Abstract
BACKGROUND Antihyperglycemic drugs have been linked to new-onset atrial fibrillation (NAF). However, the effect of the different classes of antihyperglycemic drugs on the development of NAF in elderly patients has not been well studied. In this study, we investigated the association between different classes of antihyperglycemic drugs and NAF in elderly patients. MATERIALS AND METHODS This was a nested case-control study performed using the database of National Health Insurance programme in Taiwan. Each participant aged 65 years and older who were NAF from 2005 to 2012 were assigned to the NAF group, whereas case was sex-, age-, diabetes duration-, index date-matched, and Charlson Comorbidity Index score-matched randomly selected participant without NAF were assigned to the non-NAF group. Multivariable logistic regression model was used for the estimation of odds ratios (ORs) and 95% confidence intervals (CIs) of NAF associated with use of different classes of antihyperglycemic agents. Nonusers served as the reference group. RESULTS We identified 1958 cases and 7832 controls. The risk of NAF after adjusting for sex, age, comorbidities and concurrent medication was higher among the users of insulin than among the nonusers (OR, 1·58; 95% CI, 1·37-1·82). Patients who took dipeptidyl peptidase 4 inhibitors were at lower risk of developing NAF than the nonusers (OR, 0·65; 95% CI, 0·45-0·93). CONCLUSIONS In this population, use of dipeptidyl peptidase 4 inhibitor was associated with a low risk of NAF. Insulin use was associated with a significant increase in the risk of NAF during the long-term follow-up.
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Affiliation(s)
- Hung-Yi Chen
- Institute of Pharmacy, China Medical University, Taichung, Taiwan.,Department of Pharmacy, China Medical University Beigang Hospital, Beigang, Taiwan
| | - Fu-Yu Yang
- Institute of Pharmacy, China Medical University, Taichung, Taiwan.,Department of Pharmacy, China Medical University Beigang Hospital, Beigang, Taiwan
| | - Gwo-Ping Jong
- Division of Internal Cardiology, Chung Shan Medical University Hospital and Chung Shan Medical University, Taichung, Taiwan.,Basic Science, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Yi-Sheng Liou
- Department of Family Medicine and Geriatrics, Taichung Veteran General Hospital, Taichung, Taiwan.,School of Public Health, National Defense Medical Center, Taipei, Taiwan
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Bazotte RB, de Castro Ruiz Marques A, da Silva MARCP, Krupek T, Filho WE. Blood levels of pro-inflammatory and anti-inflammatory cytokines in a patient with a flat glucose curve. Acta Diabetol 2016; 53:1057-1059. [PMID: 27402442 DOI: 10.1007/s00592-016-0883-8] [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: 04/30/2016] [Accepted: 06/28/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Roberto Barbosa Bazotte
- Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, PR, 87020-900, Brazil.
| | - Any de Castro Ruiz Marques
- Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, PR, 87020-900, Brazil
| | | | - Tuane Krupek
- Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, PR, 87020-900, Brazil
| | - Wilson Eik Filho
- Department of Medicine, State University of Maringá, Maringá, PR, 87020-900, Brazil
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Coyle C, Cafferty FH, Vale C, Langley RE. Metformin as an adjuvant treatment for cancer: a systematic review and meta-analysis. Ann Oncol 2016; 27:2184-2195. [PMID: 27681864 PMCID: PMC5178140 DOI: 10.1093/annonc/mdw410] [Citation(s) in RCA: 286] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 08/17/2016] [Accepted: 08/19/2016] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Metformin use has been associated with a reduced risk of developing cancer and an improvement in overall cancer survival rates in meta-analyses, but, to date, evidence to support the use of metformin as an adjuvant therapy in individual cancer types has not been presented. PATIENTS AND METHODS We systematically searched research databases, conference abstracts and trial registries for any studies reporting cancer outcomes for individual tumour types in metformin users compared with non-users, and extracted data on patients with early-stage cancer. Studies were assessed for design and quality, and a meta-analysis was conducted to quantify the adjuvant effect of metformin on recurrence-free survival (RFS), overall survival (OS) and cancer-specific survival (CSS), to inform future trial design. RESULTS Of 7670 articles screened, 27 eligible studies were identified comprising 24 178 participants, all enrolled in observational studies. In those with early-stage colorectal cancer, metformin use was associated with a significant benefit in all outcomes [RFS hazard ratio (HR) 0.63, 95% confidence interval (CI) 0.47-0.85; OS HR 0.69, CI 0.58-0.83; CSS HR 0.58, CI 0.39-0.86]. For men with early-stage prostate cancer, metformin was associated with significant, or borderline significant, benefits in all outcomes (RFS HR 0.83, CI 0.69-1.00; OS HR 0.82, CI 0.73-0.93; CSS HR 0.58, CI 0.37-0.93); however, there was significant heterogeneity between studies. The data suggest that prostate cancer patients treated with radical radiotherapy may benefit more from metformin (RFS HR 0.45, CI 0.29-0.70). In breast and urothelial cancer, no significant benefits were identified. Sufficient data were not available to conduct analyses on the impact of metformin dose and duration. CONCLUSIONS Our findings suggest that metformin could be a useful adjuvant agent, with the greatest benefits seen in colorectal and prostate cancer, particularly in those receiving radical radiotherapy, and randomised, controlled trials which investigate dose and duration, alongside efficacy, are advocated.
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Affiliation(s)
- C Coyle
- MRC Clinical Trials Unit at University College London, London, UK
| | - F H Cafferty
- MRC Clinical Trials Unit at University College London, London, UK
| | - C Vale
- MRC Clinical Trials Unit at University College London, London, UK
| | - R E Langley
- MRC Clinical Trials Unit at University College London, London, UK
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Zheng N, Shi X, Chen X, Lv W. Associations Between Inflammatory Markers, Hemostatic Markers, and Microvascular Complications in 182 Chinese Patients With Type 2 Diabetes Mellitus. Lab Med 2016. [PMID: 26199261 DOI: 10.1309/lmf8r2kstow3flkd] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE To examine the associations between inflammatory markers, coagulation and fibrinolysis parameters, and microvascular complications in 182 Chinese patients with type 2 diabetes mellitus (T2DM) who sought treatment at a large hospital in Zhejiang province, China. METHODS We investigated the relationships of blood inflammatory markers with hemostatic markers in 87 patients with T2DM who did not have complications and 95 patients with T2DM who had microvascular complications. RESULTS C-reactive protein (CRP) and interleukin-6 (IL-6) were significantly correlated with fibrinogen, thrombin-antithrombin III complex (TAT III), plasminogen activator inhibitor-1 (PAI-1), von Willebrand factor (vWF), and coagulation factors (F) VII in patients with T2DM who had microvascular complications (P <.05). Based on logistic regression analysis, the highest-tertile groups of fibrinogen, FVII, and FVIII, corresponded to a greater risk of high CRP, whereas risk of high IL-6 was significantly greater in the groups with highest-tertile values for fibrinogen, FVII, TAT III, PAI-1, and activated protein C (APC). CONCLUSIONS Elevated levels of CRP and IL-6 might be associated with increased coagulability and a tendency towards thrombus formation in patients with T2DM who have microvascular complications.
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Affiliation(s)
- Nengneng Zheng
- Department of Gynecology and Obstetrics, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Xinping Shi
- Clinical Laboratory, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Xiongwei Chen
- Endocrinology, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Wen Lv
- Department of Gynecology and Obstetrics, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
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Recent trends in the prevalence of chronic kidney disease in Korean adults: Korean National Health and Nutrition Examination Survey from 1998 to 2013. J Nephrol 2016; 29:799-807. [PMID: 26943182 DOI: 10.1007/s40620-016-0280-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 02/03/2016] [Indexed: 12/16/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) is associated with aging, diabetes, hypertension, dyslipidemia, obesity, and unhealthy lifestyle behaviors and has become a public health burden worldwide. METHODS We investigated the trends of CKD prevalence over a period of 16 years in Korean adults based on the Korean National Health and Nutrition Examination Survey (KNHANES): phase I (1998), II (2001), III (2005), IV (2007-09), V (2010-2012), and VI (2013). Of the 105,504 individuals aged over 20 years who participated in KNHANES I-VI, 55,191 (23,729 men and 31,462 women) were included in the present study. RESULTS The sequential percentage of glomerular filtration rate (GFR) <60 ml/min/1.73 m2 in KNHANES I-VI was 1.0, 4.2, 3.2, 1.9, 1.6, and 2.1 % in men and 3.6, 9.3, 10.4, 3.1, 1.6, and 2.0 % in women, respectively. The percentage of proteinuria ≥1+ in men rebounded after KNHANES V (3.1, 2.9, 2.8, 1.9, 1.1, and 1.7 % in KNHANES I-VI, respectively), but in women declined across all KNHANES reads (3.4, 2.3, 1.4, 1.6, 1.0, and 0.9 %, respectively). The prevalence of CKD rebounded after KNHANES V for men (3.9, 6.8, 5.5, 3.5, 2.4, and 3.5 % in KNHANES I-VI) while those in women decreased to a plateau level (6.6, 10.9, 11.4, 4.2, 2.4, and 2.4 % in KNHANES I-VI, respectively). CONCLUSIONS Our study shows that the prevalence of CKD in Korean adults has decreased overall, but since KNHANES V there has been a rebound in men while no changes in women.
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Chen R, Yan J, Liu P, Wang Z. Effects of thiazolidinedione therapy on inflammatory markers of type 2 diabetes: a meta-analysis of randomized controlled trials. PLoS One 2015; 10:e0123703. [PMID: 25897968 PMCID: PMC4405205 DOI: 10.1371/journal.pone.0123703] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 03/06/2015] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Inflammation is a common feature in patients with type 2 diabetes mellitus (T2DM). This meta-analysis aimed to assess the influence of thiazolidinedione (TZD) therapy on the circulating levels of inflammatory markers in patients with T2DM. METHODS AND RESULTS We searched the databases Medline, Embase, ScienceDirect, Web of Science, SpringerLink, and the Cochrane Library for randomized controlled trials (RCTs) that examined the effects of thiazolidinedione vs. a placebo on patients with T2DM. The main outcomes were absolute changes in levels of circulating inflammatory markers. Twenty-seven RCTs were included and data were analyzed using a fixed-effect model or a random-effect model based on heterogeneity. Pooled results indicated that circulating levels of high-sensitivity C reactive protein (hsCRP; SMD = -0.65, 95% CI = -0.98 to -0.32, p < 0.01), monocyte chemoattractant protein-1 (MCP-1; WMD = -54.19, 95% CI = -73.86 to -34.52, p < 0.01), von Willebrand factor% (vWF%; WMD = -8.18, 95% CI = -13.54 to -2.81, p 0.01), fibrinogen (SMD = -0.26, 95% CI = -0.41 to -0.11, p < 0.01) and E-selectin(WMD = -3.57, 95% CI = -5.59 to -1.54, p <0.01) were significantly decreased after TZD therapy. However, interleukin-6 (IL-6), matrix metalloproteinase-9 (MMP-9), soluble CD40 ligand, plasminogen activator inhibitor 1 (PAI-1) and intercellular adhesion molecule (ICAM-1) were not significantly affected. Subgroup analyses of PAI-1, vWF% and fibrinogen in terms of trial drugs showed significant reductions for rosiglitazone (all p valuses< 0.05), but not pioglitazone treatment. Conversely, the E-selectin (p < 0.01) lowering effect only existed in the pioglitazone group. Further, rosiglitazone and pioglitazone treatment reduced serum hsCRP and MCP-1 but had no marked effects on MMP-9, IL-6 and ICAM-1. CONCLUSIONS Limited evidence suggested that TZD therapy had anti-inflammatory property that might contribute to its beneficial effect on inflammatory state in patients with type 2 diabetes.
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Affiliation(s)
- Rui Chen
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Jinchuan Yan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Peijing Liu
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
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