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Song M, Chen F, Li X, Chen L. Exploring causal correlations between plasma proteins and peripheral neuropathy: a Mendelian randomization. Front Neurol 2024; 15:1431669. [PMID: 39268072 PMCID: PMC11390399 DOI: 10.3389/fneur.2024.1431669] [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: 05/12/2024] [Accepted: 08/12/2024] [Indexed: 09/15/2024] Open
Abstract
Background Peripheral neuropathy (PN) is a common neurological disorder, and circulating plasma proteins with causal genetic evidence are a major source of therapeutic targets. This study identifies several potential plasma proteins that are causally related to PN risk, providing new insights into protein-mediated pathogenesis of PN and potential targets for novel therapies. Methods To identify potential therapeutic targets for PN, we employed two-sample Mendelian randomization (MR) to identify plasma proteins associated with six common PN. First, we screened for proteins related to PN using genome-wide association studies (GWAS), obtaining genetic data on plasma proteomes from 35,559 Icelanders. Summary data for six common PN, including Carpal Tunnel Syndrome (CTS), Trigeminal Neuralgia (TN), Alcoholic Neuropathy (AIP), Drug-induced Neuropathy (DIP), Diabetic Neuropathy (DP), and Guillain-Barré syndrome (GBS), were obtained from the FinnGen database. Two-sample MR and colocalization analyses were then conducted to further identify protein-PN pairs with presumed causal relationships. Enrichment analysis of positive proteins revealed potential biological processes and pathways. Based on drug-gene interaction analysis, we ultimately identified causal proteins associated with PN that could serve as potential drug targets for treating PN. Results Through MR analysis, we identified eight proteins (UBC12, SEM4C, IL23R, Prothrombin, CBS, Microglobulin, MATN4, COLEC12) with causal relationships to PN. We found that UBC12 is a protective factor for DP and CTS, while the remaining proteins are risk factors. Further colocalization analysis showed a posterior probability of hypothesis 4 (PPH4) less than 0.75, indicating no positive colocalization results were found. From the pathway enrichment analysis, we discovered that the proteins were mainly concentrated in pathways related to defense response to bacterium, receptor signaling pathway via STAT, cell killing, negative regulation of cytokine production, and leukocyte mediated immunity. Finally, in Drug-Gene Interaction database (DGIdb), we identified three protein-coding genes (IL23R, F2, CBS) as potential drug targets for PN. Conclusion Mendelian randomization studies confirm the causal relationship between genetically predicted PN-related risk and genetically predicted plasma protein abundance. Plasma proteins, as biomarkers associated with PN, can provide potential drug targets for etiological intervention research in PN.
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Affiliation(s)
- Man Song
- Department of Intensive Care Unit, Baoji Hospital of Traditional Chinese Medicine, Baoji, China
| | - Fang Chen
- Department of Intensive Care Unit, Baoji Hospital of Traditional Chinese Medicine, Baoji, China
| | - Xiaocong Li
- Department of Neurology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Lu Chen
- Department of Intensive Care Unit, Baoji Hospital of Traditional Chinese Medicine, Baoji, China
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2
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Born LJ, Quiroga LH, Lagziel T, Hultman CS, Asif M. Clinical outcomes in 'diabese' burn patients: A systematic review and meta-analysis. Burns 2022; 48:281-292. [PMID: 34782233 DOI: 10.1016/j.burns.2021.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 03/09/2021] [Accepted: 04/06/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective of this study was to update the current status of clinical outcomes in diabetic (type II) and obese (BMI: 30-39.9 kg/m2) burn patients. METHODS We adhered to Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. We searched MEDLINE (PubMed), Google Scholar, Scopus, and Embase for studies related to a number of comorbidities and burn outcomes. Search terms for each of these databases are listed in the Appendix. From this search, we screened 6923 articles. Through our selection criteria, 12 articles focusing on either diabetes or obesity were selected for systematic review and meta-analysis. Data was analyzed using the "meta" package in R software to produce pooled odds ratios from the random effect model. RESULTS Diabetic patients had 2.38 times higher odds of mortality [OR: 2.38, 95% CI:1.66, 3.41], however no statistically significant difference was found in mortality in obese patients [OR: 2.49, 95% CI: 0.36, 17.19]. Obese patients had 2.18 times higher odds of inhalation injury [95%CI: 1.23, 3.88], whereas diabetic patients did not show a difference in odds of inhalation injury [OR:1.02, 95% CI: 0.57, 1.81]. Diabetic patients had higher odds of complications resulting from infection: 5.47 times higher odds of wound, skin, or soft tissue infections [95% CI:1.97, 15.18]; 2.28 times higher odds of UTI or CAUTI [95% CI:1.50, 3.46]; and 1.78 times higher odds of pneumonia or respiratory tract infections [95% CI:1.15, 2.77]. Obese patients also had similar complications related to infection: 2.15 times higher odds of wound infection [95% CI: 1.04, 4.42] and 1.96 times higher odds of pneumonia [95% CI: 1.08, 3.56]. Other notable complications in diabetic patients were higher odds of amputation [OR: 37, 95% CI: 1.76, 779.34], respiratory failure [OR: 4.39, 95% CI: 1.85, 10.42], heart failure [OR: 6.22, 95% CI: 1.93, 20.06], and renal failure [OR: 2.95, 95% CI: 1.1, 7.86]. CONCLUSIONS Diabetic patients have higher odds of mortality, whereas no statistically significant difference of mortality was found in obese patients. Obese patients had higher odds of inhalation injury, whereas odds of inhalation injury was unchanged in diabetic patients. Diabetic patients had higher odds of failure in multiple organs, whereas such failure in obese patients was not reported. Both diabetic and obese patients had multiple complications related to infection.
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Affiliation(s)
- Louis J Born
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD; Fischell Department of Bioengineering, University of Maryland, College Park, MD
| | - Luis H Quiroga
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Tomer Lagziel
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD; Sackler Faculty of Medicine, Tel-Aviv University, Israel
| | - C Scott Hultman
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Mohammed Asif
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD.
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3
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Perrault D, Cobert J, Gadiraju V, Sharma A, Gurtner G, Pham T, Sheckter C. Foot Burns in Persons with Diabetes—Outcomes from the National Trauma Data Bank. J Burn Care Res 2022; 43:541-547. [DOI: 10.1093/jbcr/irac021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Diabetes Mellitus (DM) complicates the treatment of burn injuries. Foot burns in diabetic patients are challenging problems with unfavorable outcomes. National-scale evaluations are needed, especially with regard to limb salvage. We aim to characterize lower extremity burns in persons with DM and evaluate the likelihood of amputation. The National Trauma Data Bank (NTDB) was queried from 2007-2015 extracting encounters with primary burn injuries of the feet using International Classification of Diseases (ICD) 9 th Edition codes. Logistic regression modeled predictors of lower extremity amputation. Covariables included age, sex, race/ethnicity, comorbidities including DM, % burn total body surface area (TBSA), mechanism, and region of burn center. Poisson regression evaluated temporal incidence rate changes in DM foot burns. Of 116,796 adult burn encounters, 7,963 (7%) had foot burns. Of this group, 1,308 (16%) had DM. 5.6% of encounters with DM foot burns underwent amputation compared to 1.5% of non-DM encounters (p<0.001). Independent predictors of lower extremity amputation included DM (OR 3.70, 95% CI 2.98 – 4.59), alcohol use, smoking, chronic kidney disease, burn size >20%, African American/Black race, male sex, and age>40 years (all p<0.01). The incidence of DM foot burns increased over the study period with an incidence rate ratio (IRR) of 1.07 (95% CI 1.05 – 1.10, p<0.001). In conclusion, DM was associated with nearly a 4-fold increase in amputation after adjusting for covariables. Furthermore, the incidence of DM foot burns is increasing. Strategies for optimizing care in persons with DM foot burns are need to improve limb salvage.
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Affiliation(s)
| | | | | | | | | | - Tam Pham
- Department of Surgery. University of Washington
- Harborview Injury Prevention and Research Center (HIPRC). University of Washington
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4
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Rotman S, Lapaine P, Rehou S, Jeschke MG, Shahrokhi S. Comparison of clinical outcomes of lower extremity burns in diabetic and non-diabetic patients: a retrospective analysis. J Burn Care Res 2021; 43:93-97. [PMID: 34329452 DOI: 10.1093/jbcr/irab150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Diabetes mellitus is an increasingly prevalent chronic disease that leads to long-term health consequences. Some long-term clinical sequelae of diabetes include coronary artery disease, peripheral vascular disease, peripheral neuropathy, and impaired wound healing. These can increase hospital stay and complications such as wound infections and amputations among patients with lower extremity burns. A retrospective analysis was performed of all isolated lower extremity burns from a single tertiary burn care centre from 2006-2017. Patients were stratified by diabetic status and the incidence of lower extremity amputations was the primary outcome. Multivariable regression was used to model the association between diabetes and amputations, adjusting for patient and injury characteristics. A total of 198 patients were identified as meeting inclusion criteria, 160 were non-diabetic and 38 were diabetic. Age was significantly different between non-diabetic and diabetic patients; mean age was 46 ± 18 years versus 62 ± 17 years (p<0.0001). Length of stay was also significantly different, median length of stay was 11 (IQR 7-15) versus 18 (IQR 12-24) (p<0.001), with diabetic patients staying longer. There was a significantly greater proportion of diabetic patients that had an amputation (control 4% versus diabetic 29%; p<0.0001). After adjustment for patient and injury characteristics, there was a significant association between diabetes and amputation (p=0.002). Among patients with isolated lower extremity burns, those with a pre-existing condition of diabetes had a longer hospitalization and increased amputations, despite similar size of burn. Diabetes is an important risk factor to acknowledge in patients with these injuries to optimize care.
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Affiliation(s)
- Sydney Rotman
- Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Pierre Lapaine
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Sarah Rehou
- Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Marc G Jeschke
- Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada.,Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.,Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Shahriar Shahrokhi
- Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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5
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Iles KA, Heisler S, Chrisco L, King B, Williams FN, Nizamani R. In Patients with Lower Extremity Burns and Osteomyelitis, Diabetes Mellitus Increases Amputation Rate. J Burn Care Res 2021; 42:irab093. [PMID: 34057999 DOI: 10.1093/jbcr/irab093] [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: 01/28/2021] [Indexed: 11/13/2022]
Abstract
In this retrospective analysis, we investigated the rate of radiologically confirmed osteomyelitis, extremity amputation and healthcare utilization in both the diabetic and non-diabetic lower extremity burn populations to determine the impact of diabetes mellitus on these outcomes. The burn registry was used to identify all patients admitted to our tertiary burn center from 2014 to 2018. Only patients with lower extremity burns (foot and/or ankle) were included. Statistical analysis was performed using Student's t test, chi-squared test, and Fischer's exact test. Of the 315 patients identified, 103 had a known diagnosis of diabetes mellitus and 212 did not. Seventeen patients were found to have osteomyelitis within three months of the burn injury. Fifteen of these patients had a history of diabetes. Notably, when non-diabetics were diagnosed with osteomyelitis, significant differences were observed in both length of stay and cost in comparison to their counterparts without osteomyelitis (36 vs 9 days; p=0.0003; $226,289 vs $48,818, p=0.0001). Eleven patients required an amputation and 10 (90.9%) of these patients had comorbid diabetes and documented diabetic neuropathy. Compared to non-diabetics, the diabetic cohort demonstrated both a higher average length of stay (13.7 vs 9.2 days, p-value=0.0016) and hospitalization cost ($72,883 vs $50,500, p-value=0.0058). Our findings highlight that diabetic patients with lower extremity burns are more likely to develop osteomyelitis than their non-diabetic counterparts and when osteomyelitis is present, diabetic patients have an increased amputation rate. Further study is required to develop protocols to treat this population, with the specific goal of minimizing patient morbidity and optimizing healthcare utilization.
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Affiliation(s)
- Kathleen A Iles
- Department of Surgery, University of North Carolina, Chapel Hill, North Carolina
| | - Stephen Heisler
- Department of Vascular Surgery, University of North Carolina, Chapel Hill, North Carolina
| | - Lori Chrisco
- Department of Burn Surgery, University of North Carolina, Chapel Hill, North Carolina
| | - Booker King
- Department of Burn Surgery, University of North Carolina, Chapel Hill, North Carolina
| | - Felicia N Williams
- Department of Burn Surgery, University of North Carolina, Chapel Hill, North Carolina
| | - Rabia Nizamani
- Department of Burn Surgery, University of North Carolina, Chapel Hill, North Carolina
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6
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Sen S, Romanowski K, Miotke S, Palmieri T, Greenhalgh D. Burn Prevention in the Elderly: Identifying Age and Gender Differences in Consumer Products Associated With Burn Injuries. J Burn Care Res 2021; 42:14-17. [PMID: 33031521 DOI: 10.1093/jbcr/iraa175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Elderly suffer worse outcomes from burns; thus, it is important to identify the causes of burns in the elderly to develop burn prevention campaigns. We performed a 10-year review of burns that were registered in the NEISS database. We included patients at least 65 years old and analyzed the top five products that caused burn injury. In adults 65 to 74 years old, hot water was the most common cause of burns. Women suffered more burns by candles and cookware. Heaters/heating systems and gasoline were among the top five causes of burns in only men. For the age group 75 to 84 years old, the most common burn was from hot water in women and gasoline in men. For women, the top five included candles, nightwear, and cookware. Only men suffered gasoline burns. The majority of daywear, home/room fire, and ranges/ovens caused burns occurred in men. The majority of burns from hot water, ranges/ovens, electric heating pads, and bathtubs/showers occurred in women. For men, burns from gasoline, structural fires, and heaters are more prevalent. This data can be used to develop age- and gender-specific prevention campaigns to reduce the risk of burn injury.
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Affiliation(s)
- Soman Sen
- Department of Surgery, University of California Davis, Sacramento.,Division of Burn Surgery, Shriners Hospital for Children Northern California, Sacramento
| | - Kathleen Romanowski
- Department of Surgery, University of California Davis, Sacramento.,Division of Burn Surgery, Shriners Hospital for Children Northern California, Sacramento
| | - Sam Miotke
- Department of Surgery, University of California Davis, Sacramento.,Division of Burn Surgery, Shriners Hospital for Children Northern California, Sacramento
| | - Tina Palmieri
- Department of Surgery, University of California Davis, Sacramento.,Division of Burn Surgery, Shriners Hospital for Children Northern California, Sacramento
| | - David Greenhalgh
- Department of Surgery, University of California Davis, Sacramento.,Division of Burn Surgery, Shriners Hospital for Children Northern California, Sacramento
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7
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Wei W, Chen S, Huang J, Tong Y, Zhang J, Qiu X, Zhang W, Chen H, Huang R, Cai J, Tu M. Serum Legumain Is Associated with Peripheral Artery Disease in Patients with Type 2 Diabetes. J Diabetes Res 2021; 2021:5651469. [PMID: 34961842 PMCID: PMC8710170 DOI: 10.1155/2021/5651469] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/27/2021] [Accepted: 11/16/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Legumain is related to carotid atherosclerotic plaques and may be a new biomarker of carotid atherosclerosis. However, the association between legumain and peripheral artery disease (PAD) of lower extremity has been less studied. This study is aimed at exploring the potential link between legumain and PAD in patients with type 2 diabetes mellitus (T2DM). METHODS A cross-sectional study was conducted on 483 hospitalized T2DM patients. The serum legumain level was measured by a sandwich enzyme-linked immunosorbent assay. PAD was evaluated by color Doppler sonography. The association between legumain and PAD was tested by logistic regression. The predictive power of legumain for PAD was evaluated with the receiver-operating-characteristic (ROC) curve. RESULTS Overall, 201 (41.6%) patients suffered from PAD. Patients with PAD had significantly higher serum legumain level than those without PAD [11.9 (6.3, 17.9) μg/L vs. 7.6 (3.2, 14.2) μg/L, p < 0.001]. Logistic regression showed that a higher serum legumain level was independently associated with a greater risk of PAD in T2DM patients [adjusted odds ratio (aOR): 1.03; 95% confidence interval (CI): 1.01-1.06]. The area under the ROC curve was 0.634 (95% CI, 0.585 to 0.684). CONCLUSION High serum legumain level was significantly correlated with an increased risk of PAD in T2DM patients.
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Affiliation(s)
- Wen Wei
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Shujin Chen
- Department of Ultrasonography, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Jianqing Huang
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Yan Tong
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Jushun Zhang
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Xiuping Qiu
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Wenrui Zhang
- Department of Neurosurgery, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200240, China
| | - Hangju Chen
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Rong Huang
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
| | - Jin Cai
- Department of Endocrinology, Fujian Longyan First Hospital, Fujian Medical University, Fuzhou 350004, China
| | - Mei Tu
- Department of Endocrinology, Fujian Longyan First Hospital, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
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Fan B, Chopp M, Zhang ZG, Liu XS. Emerging Roles of microRNAs as Biomarkers and Therapeutic Targets for Diabetic Neuropathy. Front Neurol 2020; 11:558758. [PMID: 33192992 PMCID: PMC7642849 DOI: 10.3389/fneur.2020.558758] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/16/2020] [Indexed: 12/12/2022] Open
Abstract
Diabetic neuropathy (DN) is the most prevalent chronic complication of diabetes mellitus. The exact pathophysiological mechanisms of DN are unclear; however, communication network dysfunction among axons, Schwann cells, and the microvascular endothelium likely play an important role in the development of DN. Mounting evidence suggests that microRNAs (miRNAs) act as messengers that facilitate intercellular communication and may contribute to the pathogenesis of DN. Deregulation of miRNAs is among the initial molecular alterations observed in diabetics. As such, miRNAs hold promise as biomarkers and therapeutic targets. In preclinical studies, miRNA-based treatment of DN has shown evidence of therapeutic potential. But this therapy has been hampered by miRNA instability, targeting specificity, and potential toxicities. Recent findings reveal that when packaged within extracellular vesicles, miRNAs are resistant to degradation, and their delivery efficiency and therapeutic potential is markedly enhanced. Here, we review the latest research progress on the roles of miRNAs as biomarkers and as potential clinical therapeutic targets in DN. We also discuss the promise of exosomal miRNAs as therapeutics and provide recommendations for future research on miRNA-based medicine.
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Affiliation(s)
- Baoyan Fan
- Department of Neurology, Henry Ford Health System, Detroit, MI, United States
| | - Michael Chopp
- Department of Neurology, Henry Ford Health System, Detroit, MI, United States.,Department of Physics, Oakland University, Rochester, MI, United States
| | - Zheng Gang Zhang
- Department of Neurology, Henry Ford Health System, Detroit, MI, United States
| | - Xian Shuang Liu
- Department of Neurology, Henry Ford Health System, Detroit, MI, United States
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He X, Su J, Ma X, Lu W, Zhu W, Wang Y, Bao Y, Zhou J. The association between serum growth differentiation factor 15 levels and lower extremity atherosclerotic disease is independent of body mass index in type 2 diabetes. Cardiovasc Diabetol 2020; 19:40. [PMID: 32222153 PMCID: PMC7103065 DOI: 10.1186/s12933-020-01020-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/20/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Clinical and basic investigations have indicated a significant association between circulating growth differentiation factor 15 (GDF15) and cardiovascular disease; however, the relationship between GDF15 and lower extremity atherosclerotic disease (LEAD) has been less studied. The present study aimed to explore the association between GDF15 and LEAD in Chinese patients with type 2 diabetes mellitus (T2DM). Considering that obesity is an important factor associated with circulating GDF15 levels, whether the relationship between serum GDF15 levels and LEAD is affected by body mass index (BMI) was also analysed. METHODS A total of 376 hospitalized T2DM patients were enrolled (161 with LEAD and 215 without LEAD). A sandwich enzyme-linked immunosorbent assay was used to detect the serum GDF15 levels. The femoral intima-media thickness (F-IMT) and LEAD were assessed by ultrasonography. RESULTS Patients with LEAD had significantly higher serum GDF15 levels than those without LEAD, regardless of whether their BMI was < 25 kg/m2 or ≥ 25 kg/m2 (both P < 0.05). Serum GDF15 levels were independently positively related to the F-IMT (standardized β = 0.162, P = 0.002). After adjusting for confounding factors, per 1-standard deviation (SD) increase in the serum GDF15 levels was significantly related to an approximately 1.4-fold increased risk of LEAD in the total population (P < 0.05). Regardless of whether the BMI was < 25 kg/m2 or ≥ 25 kg/m2, this association remained significant, with approximately 1.6- and 1.4-fold increased risks of LEAD, respectively (both P < 0.05). CONCLUSIONS High serum GDF15 levels were significantly correlated with an increased risk of LEAD in T2DM patients, and this relationship was independent of BMI.
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Affiliation(s)
- Xingxing He
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Jiaorong Su
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Xiaojing Ma
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China.
| | - Wei Lu
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Wei Zhu
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Yufei Wang
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Yuqian Bao
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China
| | - Jian Zhou
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai Clinical Center for Diabetes; Shanghai Diabetes Institute; Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, 200233, China.
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