A new player in chronic kidney disease mineral and bone disorder: tenascin-C.
Abstract
AIMS: Chronic kidney disease-mineral and bone disorder (CKD-MBD) is a condition frequently observed in CKD. The search for a reliable and easy to use biomarker in the diagnosis of CKD-MBD is continuing. Tenascin-C (TN-C) is an important extracellular (ECM) protein synthesized by osteoblasts during bone growth and morphogenesis. The purpose of this study was to assess the relation between inflammation and MBD and TN-C in HD patients and to identify a new marker that can be used to help diagnose CKD-MBD.
MATERIALS AND METHODS: 136 HD patients and 22 healthy controls were enrolled in this cross-sectional, observational multicenter study. Once patients' demographic and biochemical parameters had been recorded, peripheral blood samples were collected for TN-C measurement before the mid-week HD session. The relationship between TN-C levels and demographic and biochemical parameters was then assessed.
RESULTS: TN-C levels were significantly higher in the HD patient than in the control group (P<.001). Intact parathormone (iPTH) affected TN-C levels in the HD patient group. TN-C levels was significantly higher in both the high (>300 pg/ml) and low iPTH groups (<150 pg/ml) compared to the 150-300 pg/ml iPTH group (P<.001, <.001 respectively).
CONCLUSIONS: This study showed, for the first time in the literature, high levels of TN-C in the low and high iPTH groups and that this elevation was associated with iPTH. We think that if our study is supported by further research, TN-C can be a…
How strong is the evidence?
Evidence Hub reads this as a case-control, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 136 participants or records.
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