Abstract:
OBJECTIVES:The aim of this study was to investigate whether the concentrations of serum tumor necrosis factor-α (TNF-α), a pro-inflammatory cytokine, increased in type 2 diabetes mellitus (T2DM) and type 2 diabetic nephropathy (T2DN) patients. METHODS:The four databases (PubMed, CNKI, WanFang and Chinese-Cqvip) were searched from Jan 1, 1999 to October 1, 2016 for all clinical case-control studies about the serum TNF-α concentrations in T2DM and T2DN patients. All relevant data were extracted from published reports. The meta-analysis was performed to compare the changes of serum TNF-α concentrations of T2DN and T2DM patients in Eastern and Western with healthy controls. We further evaluated concentrations of serum TNF-α in T2DN patients with mincroalbuminuria or macroalbuminuria. Random-effects models were adopted to assess the pooling data among various variations. RESULTS:In total of 6 studies (744 patients and 277 healthy controls) were included in this study. Compared with healthy controls (both p<0.01), the groups of different albuminuria levels and ethnicities both showed that the serum TNF-α levels were significantly elevated in T2DN patients as well as in eastern T2DN patients (p=0.001), but not significant changed in western T2DN patients (p=0.081). The results were stable through sensitivity analysis and no significant publications bias existed in this meta-analysis. CONCLUSIONS:Serum TNF-α concentrations are obviously increased in T2DN and T2DM patients, but higher in T2DN patients, suggesting an elevated inflammatory burden in T2DN patients.
journal_name
Immunol Lettjournal_title
Immunology lettersauthors
Chen YL,Qiao YC,Xu Y,Ling W,Pan YH,Huang YC,Geng LJ,Zhao HL,Zhang XXdoi
10.1016/j.imlet.2017.04.003subject
Has Abstractpub_date
2017-06-01 00:00:00pages
52-58eissn
0165-2478issn
1879-0542pii
S0165-2478(16)30338-8journal_volume
186pub_type
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