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Xue S, Ling J, Tian M, Li K, Li S, Liu D, Li L, Yang M, Yang G. Combined serum CTRP7 and CTRP15 levels as a novel biomarker for insulin resistance and type 2 diabetes mellitus. Heliyon 2024; 10:e30029. [PMID: 38726186 PMCID: PMC11078869 DOI: 10.1016/j.heliyon.2024.e30029] [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: 08/05/2023] [Revised: 04/03/2024] [Accepted: 04/18/2024] [Indexed: 05/12/2024] Open
Abstract
Aims This study aimed to examine the alterations in the serum CTRP7 and CTRP15 concentrations in patients newly diagnosed with type 2 diabetes mellitus (T2DM) and to assess the diagnostic potential of the log10 (CTRP7+CTRP15) for insulin resistance (IR) and T2DM. Methods Serum CTRP7, CTRP15, and adiponectin levels were measured using an enzyme-linked immunosorbent assay (ELISA). Bioinformatics analysis was conducted to investigate CTRP7 and CTRP15-related genes and metabolic signaling pathways. Results Log10 (CTRP7+CTRP15) levels were notably elevated in the impaired glucose tolerance (IGT) and T2DM cohorts compared with those in the normal control (NGT) cohort. Log10(CTRP7+CTRP15) exhibited positive correlations with HOMA-IR, area under the glucose curve (AUCg), HbA1c%, triglyceride (TG), visceral adiposity index (VAI), body mass index (BMI), and free fatty acid (FFA), levels but negative correlations with adiponectin. Multivariate stepwise regression analysis revealed that HOMA-IR, BMI, HbA1c and FFA levels were independent factors affecting the log10 (CTRP7+CTRP15). Logistic regression analysis revealed that log10 (CTRP7+CTRP15) was independently associated with T2DM and significantly associated with increased risk. Receiver operating characteristic (ROC) curve analysis indicated that the predictive value of log10 (CTRP7+CTRP15) for T2DM and IR was superior to that of CTRP7 or CTRP15 alone. Intervention studies demonstrated that insulin, FFAs and acute exercise contribute to the elevation of serum CTRP7 levels, while hyperglycemia inhibited CTRP7 secretion. Short-term changes in blood glucose, insulin, FFA and acute exercise had minimal effects on serum CTRP15 levels. Bioinformatics analysis revealed that CTRP7 and CTRP15 interact with multiple metabolism-related genes and are enriched in glucose and lipid metabolism-related pathways. Conclusion Log10 (CTRP7+CTRP15) may serve as a valuable diagnostic marker for the management of metabolic-related diseases, particularly T2DM and IR.
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Affiliation(s)
- Shiyao Xue
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Jiaxiu Ling
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mingyuan Tian
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ke Li
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Shengbing Li
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Dongfang Liu
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ling Li
- Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, China
| | - Mengliu Yang
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Gangyi Yang
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Avcu EC, Çınar V, Yasul Y, Akbulut T, Pancar Z, Aydemir IS, Aydin S, Yalcin MH, Aydin S. Effects of an energy drink on myonectin in the liver, kidney and skeletal muscle of exercised rats. Biotech Histochem 2024; 99:69-75. [PMID: 38293763 DOI: 10.1080/10520295.2024.2305113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024] Open
Abstract
Myonectin is a hormone that is produced mainly by skeletal muscle. We investigated the effects of exercise and energy drink (ED) administration on myonectin expression in skeletal muscle, liver and kidney tissue in rats; myonectin is produced by all three tissues. We used 28 male albino rats in four groups: untreated control (C), exercise (E), energy drink (ED) and exercise + energy drink (E + ED). The E and E + ED groups were exercised using a treadmill for 4 weeks. We also administered 3.5 ml/kg/day ED during week 1, 7 ml/kg/day during week 2 and 10 ml/kg/day during weeks 3 and 4 in the E and E + ED groups. We used ELISA to measure the levels of myonectin in skeletal muscle, liver and kidney tissues. We used immunohistochemical staining to investigate the localization and intensity of myonectin in these tissues. The amount of myonectin in skeletal muscle tissue was increased significantly in all experimental groups compared to group C. The amount of myonectin in the ED group was significantly greater than group E. No significant difference was observed in liver tissue; however, the amount of myonectin in the liver of group C was the greatest among all groups. The amount of myonectin in kidney tissue exhibited no significant difference among groups. Consumption of ED during exercise increased the amount of myonectin in kidney and skeletal muscle tissues and decreased it in liver tissue. We suggest that consumption of ED might adapt metabolism to incresed exercise by controling synthesis of myonectin in liver, kidney and skeletal muscle.
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Affiliation(s)
- Emsal Cagla Avcu
- Department of Coaching Education, Sivas Cumhuriyet University, Sivas, Turkey
| | - Vedat Çınar
- Department of Physical Education and Sports Teaching, Fırat University, Elaziğ, Turkey
| | - Yavuz Yasul
- Property Protection and Security Division, Ondokuz Mayıs University, Samsun, Turkey
| | - Taner Akbulut
- Department of Physical Education and Sports Teaching, Fırat University, Elaziğ, Turkey
| | - Zarife Pancar
- Department of Physical Education and Sports, Gaziantep University, Gaziantep, Turkey
| | - I Sa Aydemir
- Department of Physical Education and Sports Teaching, Fırat University, Elaziğ, Turkey
| | - Suna Aydin
- Department of Histology and Embryology, Fırat University, Elazığ, Turkey
- Department of Cardiovascular Surgery, Fethi Sekin City Hospital, Elazığ, Turkey
| | | | - Suleyman Aydin
- Department of Medical Biochemistry and Clinical Biochemistry, Firat Hormones Research Group, School of Medicine, Firat University, Elazig, Turkey
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Petro JL, Fragozo-Ramos MC, Milán AF, Aristizabal JC, Gallo-Villegas JA, Calderón JC. Serum Levels of Myonectin Are Lower in Adults with Metabolic Syndrome and Are Negatively Correlated with Android Fat Mass. Int J Mol Sci 2023; 24:ijms24086874. [PMID: 37108038 PMCID: PMC10138930 DOI: 10.3390/ijms24086874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 04/29/2023] Open
Abstract
Myonectin has shown beneficial effects on lipid regulation in murine models; therefore, it may have implications in the pathophysiology of metabolic syndrome (MS). We evaluated the relationship between serum myonectin and serum lipids, global and regional fat mass, intramuscular lipid content, and insulin resistance (IR) in adults with metabolic risk factors. This was a cross-sectional study in sedentary adults who were diagnosed with MS or without MS (NMS). Serum myonectin was quantified by enzyme-linked immunosorbent assay, lipid profile by conventional techniques, and free fatty acids (FFA) by gas chromatography. Body composition was assessed by dual-energy X-ray absorptiometry and intramuscular lipid content through proton nuclear magnetic resonance spectroscopy in the right vastus lateralis muscle. IR was estimated with the homeostatic model assessment (HOMA-IR). The MS (n = 61) and NMS (n = 29) groups were comparable in age (median (interquartile range): 51.0 (46.0-56.0) vs. 53.0 (45.5-57.5) years, p > 0.05) and sex (70.5% men vs. 72.4% women). MS subjects had lower serum levels of myonectin than NMS subjects (1.08 (0.87-1.35) vs. 1.09 (0.93-4.05) ng·mL-1, p < 0.05). Multiple linear regression models adjusted for age, sex, fat mass index and lean mass index showed that serum myonectin was negatively correlated with the android/gynoid fat mass ratio (R2 = 0.48, p < 0.01), but not with the lipid profile, FFA, intramuscular lipid content or HOMA-IR. In conclusion, serum myonectin is lower in subjects with MS. Myonectin negatively correlates with a component relevant to the pathophysiology of MS, such as the android/gynoid fat mass ratio, but not with other components such as FFA, intramuscular fat or IR.
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Affiliation(s)
- Jorge L Petro
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
- Research Group in Physical Activity, Sports and Health Sciences-GICAFS, Universidad de Córdoba, Montería 230002, Colombia
| | - María Carolina Fragozo-Ramos
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
| | - Andrés F Milán
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
| | - Juan C Aristizabal
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
| | - Jaime A Gallo-Villegas
- Sports Medicine Postgraduate Program, and GRINMADE Research Group, SICOR Center, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
| | - Juan C Calderón
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia, Medellín 050010, Colombia
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Vatannejad A, Fadaei R, Salimi F, Fouani FZ, Habibi B, Shapourizadeh S, Eivazi S, Eivazi S, Sadeghi A, Moradi N. Plasma Complement C1q/tumor necrosis factor-related protein 15 concentration is associated with polycystic ovary syndrome. PLoS One 2022; 17:e0263658. [PMID: 35700181 PMCID: PMC9197053 DOI: 10.1371/journal.pone.0263658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 01/24/2022] [Indexed: 11/18/2022] Open
Abstract
Polycystic ovarian syndrome (PCOS) is a common poignant endocrine disorder affecting women, posing a close association with metabolic syndrome and obesity. Existing literature characterizes PCOS with deranged levels of several adipokines and myokines. CTRP15 is a paralogue of adiponectin, mainly expressed by skeletal muscles, and plays a key role in insulin, glucose, and lipid metabolism. In the current study, we aim to determine the circulating levels of CTRP15 and evaluate its association with cardiometabolic and inflammatory parameters in PCOS women. This case-control study included 120 PCOS patients (60 Recurrent pregnancy loss (RPL) and 60 infertile (inf) PCOS) and 60 healthy non-PCOS controls. Serum levels of hs-CRP were measured by commercial kits, while serum levels of adiponectin and CTRP15 were determined using the ELISA technique. Serum levels of CTRP15 were significantly elevated in PCOS-RPL and PCOS-inf subgroups when compared to controls (94.80 ± 27.08 and 87.77 ± 25.48 vs. 54.78 ± 15.45, both P < 0.001). Moreover, serum adiponectin was considerably lower in the PCOS group and subgroups (P < 0.001), while serum hs-CRP, fasting insulin, HOMA-IR, and free testosterone were significantly higher when compared to the non-PCOS group (P < 0.05). Furthermore, CTRP15 closely associated with FSH, HOMA-IR, hs-CRP, and BMI. These results highlight a possible involvement of CTRP15 in the pathogenesis of PCOS. The elevated levels of CTRP15 might be a compensatory mechanism for the metabolic dysregulations (excess adiposity, insulin resistance, metaflammation) associated with the syndrome. Nevertheless, future studies are necessary to unravel the underlying mechanism.
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Affiliation(s)
- Akram Vatannejad
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Reza Fadaei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fouzieh Salimi
- Department of Clinical Biochemistry, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Fatima Zahraa Fouani
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Behnam Habibi
- Department of Biology, Faculty of postgraduate, Borujerd Branch, Islamic Azad University, Borujerd, Iran
| | - Somayeh Shapourizadeh
- School of Mohadeseh, Shahriyar Education Office, Ministry of Education, Tehran, Iran
| | - Samira Eivazi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Sadegh Eivazi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Asie Sadeghi
- Department of Clinical Biochemistry, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences Kerman, Kerman, Iran
- * E-mail: (AS); (NM)
| | - Nariman Moradi
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
- * E-mail: (AS); (NM)
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Review of Novel Potential Insulin Resistance Biomarkers in PCOS Patients—The Debate Is Still Open. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19042099. [PMID: 35206286 PMCID: PMC8871992 DOI: 10.3390/ijerph19042099] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/27/2022] [Accepted: 02/09/2022] [Indexed: 12/12/2022]
Abstract
Research on proteins and peptides that play roles in metabolic regulation, which may be considered potential insulin resistance markers in some medical conditions, such as diabetes mellitus, obesity and polycystic ovarian syndrome (PCOS), has recently gained in interest. PCOS is a common endocrine disorder associated with hyperandrogenemia and failure of ovulation, which is often accompanied by metabolic abnormalities, including obesity, dyslipidemia, hyperinsulinemia, and insulin resistance. In this review, we focus on less commonly known peptides/proteins and investigate their role as potential biomarkers for insulin resistance in females affected by PCOS. We summarize studies comparing the serum fasting concentration of particular agents in PCOS individuals and healthy controls. Based on our analysis, we propose that, in the majority of studies, the levels of nesfastin-1, myonectin, omentin, neudesin were decreased in PCOS patients, while the levels of the other considered agents (e.g., preptin, gremlin-1, neuregulin-4, xenopsin-related peptide, xenin-25, and galectin-3) were increased. However, there also exist studies presenting contrary results; in particular, most data existing for lipocalin-2 are inconsistent. Therefore, further research is required to confirm those hypotheses, as well as to elucidate the involvement of these factors in PCOS-related metabolic complications.
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Sabaratnam R, Wojtaszewski JFP, Højlund K. Factors mediating exercise-induced organ crosstalk. Acta Physiol (Oxf) 2022; 234:e13766. [PMID: 34981891 DOI: 10.1111/apha.13766] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 10/11/2021] [Accepted: 01/01/2022] [Indexed: 12/21/2022]
Abstract
Exercise activates a plethora of metabolic and signalling pathways in skeletal muscle and other organs causing numerous systemic beneficial metabolic effects. Thus, regular exercise may ameliorate and prevent the development of several chronic metabolic diseases. Skeletal muscle is recognized as an important endocrine organ regulating systemic adaptations to exercise. Skeletal muscle may mediate crosstalk with other organs through the release of exercise-induced cytokines, peptides and proteins, termed myokines, into the circulation. Importantly, other tissues such as the liver and adipose tissue may also release cytokines and peptides in response to exercise. Hence, exercise-released molecules are collectively called exerkines. Moreover, extracellular vesicles (EVs), in the form of exosomes or microvesicles, may carry some of the signals involved in tissue crosstalk. This review focuses on the role of factors potentially mediating crosstalk between muscle and other tissues in response to exercise.
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Affiliation(s)
- Rugivan Sabaratnam
- Steno Diabetes Center Odense Odense University Hospital Odense C Denmark
- Section of Molecular Diabetes & Metabolism, Department of Clinical Research & Department of Molecular Medicine University of Southern Denmark Odense C Denmark
| | - Jørgen F. P. Wojtaszewski
- Section of Molecular Physiology Department of Nutrition, Exercise and Sports University of Copenhagen Copenhagen Denmark
| | - Kurt Højlund
- Steno Diabetes Center Odense Odense University Hospital Odense C Denmark
- Section of Molecular Diabetes & Metabolism, Department of Clinical Research & Department of Molecular Medicine University of Southern Denmark Odense C Denmark
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Onat T, Inandiklioglu N, Kara M, Serdar Yalvac E, Turkler C, Ciplak B, Altindag MM. Increased serum myonectin and irisin levels with myonectin and FNDC5 expressions in polycystic ovary syndrome: a case control study. J OBSTET GYNAECOL 2021; 42:1381-1387. [PMID: 34907845 DOI: 10.1080/01443615.2021.1980516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The aim of this study is to assess the FNDC5 and myonectin expressions and serum levels of myonectin and irisin in women with PCOS. 90 participants were included in this case-control study. 45 of these participants were with PCOS, and 45 of them were healthy volunteers matched for age and body mass index (BMI). Serum irisin and myonectin levels were measured with commercially available enzyme-linked immune sorbent assay (ELISA) kits. Expression of the myonectin and FNDC5 genes were determined by RT-PCR analysis. It was found out that FSI, HOMA-IR, LH, LH/FSH, TT, serum irisin and serum myonectin levels, myonectin mRNA expression, and FNDC5 mRNA expression were higher in the PCOS group, whereas HDL-C level was lower in the PCOS group (p < .05). When the groups were compared, it was detected that IR and HA were significantly higher in the PCOS group (p < .05). Serum irisin and myonectin levels, and myonectin and FNDC5 mRNA expressions were increased in women with PCOS. These molecules can be target molecules in PCOS pathophysiology and treatment.IMPACT STATEMENTWhat is already known on this subject? Although the aetiology of PCOS is not fully understood, it is thought that insulin resistance may play a critical role. In recent studies, the relationship of cytokines secreted from skeletal muscle with insulin resistance has been shown. The effects of irisin and myonectin, which are members of the myokine family, on lipid and glucose metabolism are known.What do the results of this study add? Although there are many studies in the literature regarding serum irisin levels in women with PCOS, their results are confusing. There is a study in the literature investigating the relationship between myonectin and PCOS. In our study, we evaluated myonectin and FNDC mRNA expressions in addition to serum irisin and myonectin levels. As a result, we found that markers and their mRNA expressions were lower in patients with PCOS compared to controls.What are the implications of these findings for clinical practice and/or further research? We think that the results of our study will shed light on future studies. Due to their effects on adipose tissue, these markers may play a role in the aetiology of long-term complications of PCOS. Moreover, they can become pharmacological targets in preventing these complications.
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Affiliation(s)
- Taylan Onat
- Department of Gynecology and Obstetrics, Yozgat Bozok University Faculty of Medicine, Yozgat, Turkey
| | - Nihal Inandiklioglu
- Department of Medical Biology, Yozgat Bozok University Faculty of Medicine, Yozgat, Turkey
| | - Mustafa Kara
- Department of Gynecology and Obstetrics, Kirsehir Ahi Evran University Faculty of Medicine, Kirsehir, Turkey
| | - Ethem Serdar Yalvac
- Department of Gynecology and Obstetrics, Yozgat Bozok University Faculty of Medicine, Yozgat, Turkey
| | - Can Turkler
- Department of Gynecology and Obstetrics, Erzincan Binali Yildirim University Faculty of Medicine, Erzincan, Turkey
| | - Baris Ciplak
- Department of Gynecology and Obstetrics, Kirsehir Ahi Evran University Faculty of Medicine, Kirsehir, Turkey
| | - Mehmet Murat Altindag
- University of Health Sciences Malatya Training And Research Hospital, Malatya, Turkey
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Onat T, Inandiklioglu N. Circulating Myonectin and Irisin Levels in Gestational Diabetes Mellitus - A Case-control Study. Z Geburtshilfe Neonatol 2021; 225:320-326. [PMID: 33728620 DOI: 10.1055/a-1404-4323] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The objective of this study was to assess the levels of serum myonectin and irisin in pregnant women with and without gestational diabetes mellitus (GDM). METHOD A total of 80 pregnant women participated in our study (which consisted of 40 patients with GDM, 40 participants as the control group). Myonectin and irisin levels were analyzed through the ELISA technique, in addition to metabolic parameters in the serum samples of the participants. RESULTS It was found that the levels of irisin and myonectin were lower in the GDM group compared to the control group. Moreover, it was determined that the values of age (p<0.001), body mass index (p=0.001), gravida (p=0.001), parity (p = 0.016), fasting serum glucose (p=0.001), fasting serum insulin (p=0.007), postprandial serum glucose (p=0.006), HbA1c (p<0.001), HOMA-IR (p<0.001) were higher; HDL cholesterol (p<0.001) was lower. Insulin resistance was significantly higher in the GDM group. CONCLUSIONS Levels of myonectin and irisin were determined to be low in the GDM group. Our results have demonstrated that myonectin and irisin could play a role in the development of GDM and that irisin as well as myonectin could be a novel biomarker for GDM.
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Affiliation(s)
- Taylan Onat
- Department of Obstetrics and Gynecology, Bozok University Faculty of Medicine, Yozgat, Turkey
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