Influence of glucoregulation quality on c-reactive protein, interleukin-6 and tumor necrosis factor-α level in patients with diabetes type 1

  • Mitrovic M
  • Ilic T
  • Stokic E
  • et al.
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Abstract

Background/Aim. Results of studies which have proved an increased inflammatory activity in diabetes type 1, have been published over recent years. One of possible mechanisms that are used to explain chronic inflammation in diabetes is the state of hyperglycemia leading to the enhanced synthesis of glycosylation end products (AGEs) which activate macrophages, increase the oxidative stress and affect the synthesis of interleukins (IL-1, IL-6), tumor necrosis factor-? (TNF-?) and C-reactive protein (CRP). The aim of the study was to determine the inflammatory markers (CRP, IL-6, TNF-?) in patients with diabetes type 1 and to establish their correlation with glucoregulation parameters and other cardiovascular risk factors as well as to compare them with the healthy controls. Methods. The study included 76 patients with diabetes type 1 and 30 healthy controls. We determined values of inflammatory markers (CRP, IL-6, TNF-?) and glucoregulation parameters (fasting glucose HbA1c). Results. The values of CRP (p = 0.014), IL-6 (p = 0.020) and TNF-? (p = 0.037) were statistically significantly higher in the diabetic patients than in the healthy controls. There was a positive correlation between CRP with postprandial glycemia (p = 0.004); the multivariate regression analysis revealed a statistically significant correlation between CRP and age (p = 0.001), smoking (p = 0.055), fasting glucose (p = 0.021) and triglycerides (p = 0.048) as well as between IL-6 and LDLcholesterol (p = 0,009). No statistically significant correlations were found between glycosilated hemoglobin (HbA1c) and the inflammatory markers (CRP, IL-6 and TNF-?). Conclusion. The patients with type 1 diabetes were found to have a low level of inflammatory activity manifested by the increased values of CRP, IL-6 and TNF-?.Uvod/Cilj. Poslednjih godina objavljeni su rezultati studija koje su dokazale da i kod dijabetesa tipa 1 postoji povecana inflamatorna aktivnost. Jedan od mogucih mehanizama kojima se pokusava objasniti hronicna inflamacija kod dijabetesa je stanje hiperglikemije s posledicnim povecanjem sinteze krajnjih produkata glikozilacije (AGE), koji aktiviraju makrofage, povecavaju oksidativni stres i uticu na sintezu interleukina (IL-1, IL- 6), tumor nekrozis faktora-? (TNF-alfa) i C-reaktivnog proteina (CRP). Cilj rada bio je odredjivanje inflamatornih markera (CRP, IL-6, TNF-alfa) kod bolesnika sa dijabetesom tipa 1, te utvrdjivanje njihove povezanosti sa parametrima glikoregulacije i drugim kardiovaskularnim faktorima rizika, kao i njihovo poredjenje sa vrednostima kontrolne grupe zdravih ispitanika. Metode. Ispitivanje je sprovedeno kao unakrsna studija preseka na 76 bolesnika sa dijabetesom tipa 1, dok je kontrolnu grupu cinilo 30 zdravih ispitanika. Odredjivani su markeri inflamacije (CRP, IL-6, TNF-alfa) i parametri glikoregulacije (glikemija, HbA1c). Rezultati. Vrednosti CRP (p = 0,014), IL-6 (p = 0,020), TNF-? (v 0,037) bile su statisticki znacajno vise u grupi dijabetesnih bolesnika nego u kontrolnoj grupi zdravih osoba. Utvrdjeno je postojanje statisticki znacajne pozitivne korelacije CRP sa glikemijom postprandijalno (p = 0,004), dok je primenom multivarijantne regresione analize nadjena statisticki znacajna korelacija CRP sa godinama zivota (p = 0,001), pusenjem (p = 0,055), glikemijom naste (p = 0,021) i trigliceridima (p = 0,048), a istom metodom i statisticki znacajna korelacija IL-6 sa LDL-holesterolom (p = 0,009). Nisu nadjene statisticki znacajne korelacije izmedju HbA1c i inflamatornih markera CRP, IL-6 i TNF-?. Zakljucak. Kod bolesnika sa dijabetesom tipa 1, u odnosu na zdrave ispitanike, postoji inflamatorna aktivnost niskog stepena koja se ogleda kroz povisene vrednosti CRP, TNF-alfa i IL-6. Od parametara glikoregulacije izdvojile su se glikemija naste i postprandijalno koje pozitivno korelisu sa vrednostima CRP, dok nisu nadjene statisticki znacajne korelacije sa HbA1c.

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APA

Mitrovic, M., Ilic, T., Stokic, E., Novakovic-Paro, J., Tomic-Naglic, D., Bajkin, I., & Icin, T. (2011). Influence of glucoregulation quality on c-reactive protein, interleukin-6 and tumor necrosis factor-α level in patients with diabetes type 1. Vojnosanitetski Pregled, 68(9), 756–761. https://doi.org/10.2298/vsp1109756m

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