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Malecka-Baturo K, Żółtowska P, Jackowska A, Kurzątkowska-Adaszyńska K, Grabowska I. Electrochemical Aptasensing Platform for the Detection of Retinol Binding Protein-4. Biosensors (Basel) 2024; 14:101. [PMID: 38392020 PMCID: PMC10887324 DOI: 10.3390/bios14020101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 02/24/2024]
Abstract
Here, we present the results of our the electrochemical aptasensing strategy for retinol binding protein-4 (RBP-4) detection based on a thiolated aptamer against RBP-4 and 6-mercaptohexanol (MCH) directly immobilized on a gold electrode surface. The most important parameters affecting the magnitude of the analytical signal generated were optimized: (i) the presence of magnesium ions in the immobilization and measurement buffer, (ii) the concentration of aptamer in the immobilization solution and (iii) its folding procedure. In this work, a systematic assessment of the electrochemical parameters related to the optimization of the sensing layer of the aptasensor was carried out (electron transfer coefficients (α), electron transfer rate constants (k0) and surface coverage of the thiolated aptamer probe (ΓApt)). Then, under the optimized conditions, the analytical response towards RBP-4 protein, in the presence of an Fe(CN)63-/4- redox couple in the supporting solution was assessed. The proposed electrochemical strategy allowed for RBP-4 detection in the concentration range between 100 and 1000 ng/mL with a limit of detection equal to 44 ng/mL based on electrochemical impedance spectroscopy (EIS). The specificity studies against other diabetes biomarkers, including vaspin and adiponectin, proved the selectivity of the proposed platform. These preliminary results will be used in the next step to miniaturize and test the sensor in real samples.
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Affiliation(s)
- Kamila Malecka-Baturo
- Institute of Animal Reproduction and Food Research Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland; (K.M.-B.); (K.K.-A.)
| | - Paulina Żółtowska
- Department of Chemistry, University of Warmia and Mazury, Plac Łódzki 4, 10-721 Olsztyn, Poland; (P.Ż.); (A.J.)
| | - Agnieszka Jackowska
- Department of Chemistry, University of Warmia and Mazury, Plac Łódzki 4, 10-721 Olsztyn, Poland; (P.Ż.); (A.J.)
| | - Katarzyna Kurzątkowska-Adaszyńska
- Institute of Animal Reproduction and Food Research Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland; (K.M.-B.); (K.K.-A.)
| | - Iwona Grabowska
- Institute of Animal Reproduction and Food Research Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland; (K.M.-B.); (K.K.-A.)
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Wang YS, Ye J, Yang X, Zhang GP, Cao YH, Zhang R, Dai W, Zhang Q. Association of retinol binding protein-4, cystatin C, homocysteine and high-sensitivity C-reactive protein levels in patients with newly diagnosed type 2 diabetes mellitus. Arch Med Sci 2019; 15:1203-1216. [PMID: 31572465 PMCID: PMC6764307 DOI: 10.5114/aoms.2018.79565] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 09/30/2018] [Indexed: 01/17/2023] Open
Abstract
INTRODUCTION To investigate the serum retinol binding protein (RBP)-4, cystatin C (Cys C), homocysteine (HCY) and high-sensitivity C-reactive protein (hs-CRP) levels in newly diagnosed type 2 diabetes mellitus (NT2DM) patients, prediabetes mellitus (PDM) subjects and normal controls, as well as their correlation with clinical and laboratory indexes, such as blood pressure and lipoprotein. MATERIAL AND METHODS A total of 242 subjects, including 141 NT2DM patients, 48 PDM subjects and 53 healthy controls, were recruited in the present study. Serum RBP-4, Cys C and hs-CRP concentrations were measured by enzyme-linked immunosorbent assay (ELISA). HCY concentration was determined by the chemical luminescence method. RESULTS There were significant differences in Cys C and hs-CRP among NT2DM patients, PDM subjects and normal controls. In comparison to controls, there were significantly elevated Cys C and hs-CRP levels in PDM (both p < 0.001), and a significantly increased Cys C level in NT2DM (p < 0.001); however, there were no significant differences in Cys C and hs-CRP levels between NT2DM and PDM, and no significant differences of hs-CRP levels between NT2DM and normal controls. No significant differences of RBP-4 and HCY levels among NT2DM, PDM and normal control groups were observed. CONCLUSIONS Aberrant Cys C expression and its clinical associations in NT2DM suggest their important role in this disease.
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Affiliation(s)
- Yun-Sheng Wang
- Department of Endocrinology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- Department of Endocrinology, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Jun Ye
- Department of Endocrinology, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Xiao Yang
- Department of Ultrasonography, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Gui-Ping Zhang
- Department of Ultrasonography, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Yong-Hong Cao
- Department of Endocrinology, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Rong Zhang
- Department of Endocrinology, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Wu Dai
- Department of Endocrinology, the Second Hospital of Hefei City, Hefei, Anhui, China
| | - Qiu Zhang
- Department of Endocrinology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
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Tabak O, Simsek G, Erdenen F, Sozer V, Hasoglu T, Gelisgen R, Altunoglu E, Muderrisoglu C, Senyigit A, Uzun H. The relationship between circulating irisin, retinol binding protein-4, adiponectin and inflammatory mediators in patients with metabolic syndrome. Arch Endocrinol Metab 2017; 61:515-523. [PMID: 28977161 PMCID: PMC10522070 DOI: 10.1590/2359-3997000000289] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 05/09/2017] [Indexed: 11/21/2022]
Abstract
OBJECTIVE We wanted to investigate whether there is a relationship between circulating irisin, retinol binding protein-4 (RBP-4), adiponectin and proinflammatory mediators implicated in the development of insulin resistance (IR) in metabolic syndrome (MetS). SUBJECTS AND METHODS In 180 individuals, including controls and patients with MetS, we measured fasting plasma insulin, high sensitivity C-reactive protein (hsCRP), pentraxin-3 (PTX-3), interleukin-33 (IL-33), irisin, RBP-4, and adiponectin using ELISA kits. RESULTS While fasting plasma hsCRP, PTX-3, IL-33, irisin, RBP-4 concentrations were higher, adiponectin levels were lower in patients with MetS than in controls. A correlation analysis revealed that plasma irisin levels were positively associated with MetS components such as waist circumference and waist-hip ratio, low density lipoprotein (LDL) and markers of systemic inflammation such as PTX-3, hsCRP, uric acid, and RBP-4. Adiponectin levels were negatively associated with waist circumference, waist-hip ratio, PTX-3 and LDL. CONCLUSIONS Although the precise mechanisms are still unclear, irisin, RBP-4, adiponectin and PTX-3 are hallmarks of the MetS, which is related to low-grade inflammation. It is conceivable that irisin and adiponectin might contribute to the development of MetS and may also represent novel MetS components. Future clinical studies are needed to confirm and extend these data.
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Affiliation(s)
- Omur Tabak
- Internal Medicine Cliniclstanbul Kanuni Sultan Suleyman Education and Research HospitalIstanbulTurkeyInternal Medicine Clinic, lstanbul Kanuni Sultan Suleyman Education and Research Hospital, Istanbul, Turkey
| | - Gonul Simsek
- Department of PhysiologyIstanbul UniversityCerrahpasa Medical FacultyIstanbulTurkeyDepartment of Physiology, Istanbul University, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Fusun Erdenen
- Istanbul Education and Research HospitalInternal Medical ClinicIstanbulTurkeyIstanbul Education and Research Hospital, Internal Medical Clinic, Istanbul, Turkey
| | - Volkan Sozer
- Department of BiochemistryYildiz Technical UniversityIstanbulTurkeyDepartment of Biochemistry, Yildiz Technical University, Istanbul, Turkey
| | - Tuna Hasoglu
- Istanbul Medical FacultyIstanbul UniversityIstanbulTurkeyIstanbul Medical Faculty, Istanbul University, Istanbul, Turkey
| | - Remise Gelisgen
- Department of BiochemistryIstanbul UniversityCerrahpasa Medical FacultyIstanbulTurkeyDepartment of Biochemistry, Istanbul University, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Esma Altunoglu
- Department of BiochemistryYildiz Technical UniversityIstanbulTurkeyDepartment of Biochemistry, Yildiz Technical University, Istanbul, Turkey
| | - Cuneyt Muderrisoglu
- Department of BiochemistryYildiz Technical UniversityIstanbulTurkeyDepartment of Biochemistry, Yildiz Technical University, Istanbul, Turkey
| | - Abdulhalim Senyigit
- Medicine HospitalInternal Medical ClinicIstanbulTurkeyMedicine Hospital, Internal Medical Clinic, Istanbul, Turkey
| | - Hafize Uzun
- Department of BiochemistryIstanbul UniversityCerrahpasa Medical FacultyIstanbulTurkeyDepartment of Biochemistry, Istanbul University, Cerrahpasa Medical Faculty, Istanbul, Turkey
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Görkem Ü, Küçükler FK, Toğrul C, Güngör T. Are adipokines associated with gestational diabetes mellitus? J Turk Ger Gynecol Assoc 2016; 17:186-190. [PMID: 27990086 DOI: 10.5152/jtgga.2016.16112] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 10/15/2016] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To investigate the association of maternal serum levels of chemerin, retinol binding protein-4 (RBP-4), and visfatin with gestational diabetes mellitus (GDM). MATERIAL AND METHODS 158 pregnant women were screened between 24 and 28 weeks of gestation. They were divided into two groups: GDM group (n=76) and control group (n=82). Maternal serum concentrations of chemerin, RBP-4, visfatin, insulin, and homeostasis model assessment-insulin resistance (HOMA-IR) were assessed. RESULTS There were no differences in age and gestational age between the GDM group and the control group (p=0.058 and p=0.820, respectively). Body mass index (BMI) at 24 to 28 weeks of gestation was higher in the GDM group (p<0.001). The serum concentrations of RBP-4, chemerin, and visfatin did not demonstrate significant differences between the GDM and control groups (p=0.871, p=0.100, and p=0.886, respectively). Significant differences in serum level of insulin and HOMA-IR were found between the GDM and control groups (14.94 vs 9.87, p<0.001 and 3.73 vs 1.77, p<0.001, respectively). Correlation analyses of chemerin, RBP-4, visfatin, insulin, and HOMA-IR in both groups revealed a weak degree of positive correlation between RBP-4 and chemerin (Spearman r=0.251, p=0.026) and a strong positive correlation between maternal insulin and HOMA (Spearman r=0.868, p<0.001). CONCLUSION No differences were found in serum chemerin, RBP-4, and visfatin between pregnant women with GDM and healthy pregnant women. Further prospective studies will be essential to elucidate the contribution of adipokines to GDM and the positive correlation between maternal RBP-4 and chemerin.
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Affiliation(s)
- Ümit Görkem
- Department of Obstetrics and Gynecology, Hitit University School of Medicine, Çorum, Turkey
| | | | - Cihan Toğrul
- Department of Obstetrics and Gynecology, Hitit University School of Medicine, Çorum, Turkey
| | - Tayfun Güngör
- Department of Obstetrics and Gynecology, Hitit University School of Medicine, Çorum, Turkey
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Bose KS, Gupta SK, Singh S. Is serum retinol binding protein-4: A predictor for diabetes in genetically high risk population? J Res Med Sci 2012; 17:1015-9. [PMID: 23833574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2012] [Revised: 07/21/2012] [Accepted: 08/28/2012] [Indexed: 11/23/2022]
Abstract
BACKGROUND Retinol binding protein-4 (BP-4) a new adipocytokine, specifically binds to retinol, through experimental studies, reported its link between obesity and insulin resistance (IR). But till date no studies are available on influence of genetic predisposition of diabetes on RBP-4 expression. Hence, we aimed to study the influence of genetic predisposition of diabetes on the serum RBP-4 and its role in development of IR and diabetes in genetically high risk population. MATERIALS AND METHODS Healthy non diabetic individuals (age 18 to 22) were grouped into Group I: Control (n = 81), whose parents are non diabetic, non hypertensive and does not have any family history of coronary heart diseases. Group II: (n = 157) with one of their parents diabetic and Group III: (n = 47) with both parents diabetic. In all the participants, we estimated fasting serum RBP-4, insulin and glucose. Homeostasis model for assessment-insulin resistance (HOMA-IR) and homeostasis model for assessment-beta cell dysfunction (HOMA-B) were calculated from fasting serum insulin and glucose levels. RESULTS In this study, we observed significantly higher RBP-4 levels 12.71 ± 2.3 in Group-II and 13.25 ± 2 in Group-III, respectively when compared to Group-I 11.4 ± 1.8 (P < 0.01). RBP-4 showed a significantly strong positive correlation with plasma insulin, glucose and HOMA-IR in genetically high risk population (group II and III) P < 0.01. Linear regression analysis revealed a strong positive association of RBP-4 with parental diabetes even after adjusting for BMI, age and sex (OR 1.53, 95% CI 1.089-1.40). CONCLUSION Higher serum RBP-4 and its positive correlation with Insulin, glucose, and HOMA-IR in healthy non diabetic participants of genetically high risk population, indicating its role as predictor for the onset of diabetes in coming future.
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Roma E, Krini M, Hantzi E, Sakka S, Panayiotou I, Margeli A, Papassotiriou I, Kanaka-Gantenbein C. Retinol Binding Protein 4 in children with Inflammatory Bowel Disease: a negative correlation with the disease activity. Hippokratia 2012; 16:360-5. [PMID: 23935318 PMCID: PMC3738613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVES Retinol Binding Protein-4 (RBP-4), the action of which was initially thought to be only the transport of vitamin A, is a major circulating adipocytokine involved in the inflammation. We evaluated the serum RBP-4 levels in children with inflammatory bowel disease (IBD) and correlated them with transthyretin (TTR), inflammation markers, disease activity, and body mass index (BMI). DESIGN In 41 children of mean age 11.9 ± 3.6 years (range 5-17.7 y) with IBD (19 with Crohn's disease (CD) and 22 with Ulcerative colitis (UC) serum RBP-4, TTR, Amyloid A (SAA), C-Reactive Protein (CRP), Erythrocyte Sedimentation Rate (ESR), disease activity and BMI were prospectively determined and compared with those of 42 matched controls. RESULTS No difference in the RBP-4 and TTR serum levels, between patients and controls as well as between active and remission state of the disease was noticed. A negative correlation of serum RBP-4 with the disease activity, SAA and ESR and a positive correlation with TTR was found, but no significant correlation with CRP or BMI was found. Inflammation markers were significantly increased in patients compared to controls and had a positive correlation with the disease activity. CONCLUSIONS RBP-4 negatively correlated with disease activity of children with IBD probably indicating a protective anti-inflammatory mechanism of action in addition to transport of vitamin A.
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Affiliation(s)
- E Roma
- First Department of Pediatrics, Athens University Medical School, "Aghia Sophia" Children's Hospital, Athens, Greece
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Abstract
Even though there have been major advances in therapy, atherosclerosis and coronary artery disease retain their lead as one of the major causes of morbidity and mortality in the first decade of 21(st) century. To add to the woes, we have diabetes, obesity and insulin resistance as the other causes. The adipose tissue secretes several bioactive mediators that influence inflammation, insulin resistance, diabetes, atherosclerosis and several other pathologic states besides the regulation of body weight. These mediators are mostly proteins and are termed "adipocytokines". Adiponectin, resistin, visfatin, retinol binding protein-4 (RBP-4) and leptin are a few such proteins. Adiponectin is a multimeric protein, acting via its identified receptors, AdipoR1 and AdipoR2. It is a potential biomarker for metabolic syndrome and has several antiinflammatory actions. Adiponectin increases insulin sensitivity and ameliorates obesity. Resistin, another protein secreted by the adipose tissue, derived its name due to its involvement in the development of insulin resistance. It plays a role in the pathophysiology of several conditions because of its robust proinflammatory activity mediated through the activation of extracellular signal regulated kinases 1 and 2 (ERK 1/2). In 2007, resistin was reported to have protective effect in ischemia-reperfusion injury and myocyte-apoptosis in the setting of myocardial infarction (MI). RBP-4 is involved in the developmental pathology of type 2 diabetes mellitus and obesity. Visfatin has been described as an inflammatory cytokine. Increased expression of visfatin mRNA has been observed in inflammatory conditions like atherosclerosis and inflammatory bowel disease. Leptin mainly regulates the food intake and energy homeostasis. Leptin resistance has been associated with development of obesity and insulin resistance. Few drugs (thiazolidinediones, rimonabant, statins, etc.) and some lifestyle modifications have been found to improve the levels of adipocytokines. Their role in therapy has a lot in store to be explored upon.
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Affiliation(s)
- Hardik Gandhi
- Department of Pharmacy, Faculty of Technology and Engineering, The M. S. University of Baroda, Vadodara - 390 001, Gujarat, India
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Abstract
INTRODUCTION Short sleep duration is associated with systemic inflammation and diabetes; however the mechanisms by which reduced sleep leads to these complications are unclear. One possibility is sleep may impact secretion of adipocyte derived hormones that regulate inflammation and insulin resistance. In this study we assessed the association between sleep duration and 3 adipokine levels. METHODS A total of 561 adults from the Cleveland Family Study underwent standardized laboratory polysomnography followed by a morning fasting blood draw assayed for leptin, visfatin, and retinol binding protein-4 (RBP4) levels. RESULTS The cohort had an age of 44.5 (16.1) years and total sleep time (TST) of 6.2 (1.3) hours (mean [SD]). Each hour reduction in TST was associated with a 10% increase in leptin (P = 0.01) and a 14% increase in visfatin levels (P = 0.03) in analyses adjusted for age, gender, and race. After additional adjustment for obesity, sleep apnea severity, hypertension, and diabetes, each hour reduction in TST was associated with a 6% increase in leptin (P = 0.01) and a 14% increase in visfatin levels (P = 0.02). Leptin increased by 15% (P = 0.01) and visfatin increased by 31% (P = 0.05) for every 1-h decrease in REM sleep. In contrast, no association between sleep duration and RBP4 was found. CONCLUSIONS Reduced sleep and reduced REM sleep are associated with elevations in leptin and visfatin, 2 adipokines associated with inflammation and insulin resistance. Further investigation of the effect of sleep on adipose tissue function should be pursued.
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Affiliation(s)
- Amanda L. Hayes
- Division of Pulmonary, Critical Care and Sleep Medicine, University Hospital Case Medical Center and Case Western Reserve University, Cleveland, OH
| | - Fang Xu
- Center for Clinical Investigation, Case Western Reserve University, Cleveland OH
| | - Denise Babineau
- Center for Clinical Investigation, Case Western Reserve University, Cleveland OH
| | - Sanjay R. Patel
- Division of Pulmonary, Critical Care and Sleep Medicine, University Hospital Case Medical Center and Case Western Reserve University, Cleveland, OH
- Division of Sleep Medicine, Brigham and Women's Hospital, Boston, MA
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