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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Retinol-binding protein 4 and insulin resistance in preeclampsia.

Preeclampsia is characterized by the onset of high blood pressure and proteinuria during pregnancy, which results in substantial maternal and neonatal morbidity and mortality. Insulin resistance has been observed before the onset of preeclampsia, and is implicated in its pathophysiology. Recently, retinol-binding protein 4 (RBP4), which carries retinol in circulation, has been shown to be a potential regulator of insulin resistance originating from adipose tissue. Here we measured insulin resistance and RBP-4 levels in patients with preeclampsia and in women with normal pregnancies matched for gestational age and body mass index at Okayama University Hospital. Our aim was to examine the potential role of RBP4 in the pathophysiology of this disorder. There were no significant differences in RBP4 levels between all patients with preeclampsia and controls. However, the RBP4 level and homeostasis model assessment as an index of insulin resistance (HOMA-IR) in overweight patients with late-onset preeclampsia were significantly higher than in overweight controls carrying normal pregnancies and in normal weight women with late-onset preeclampsia. In contrast, there were no significant differences between the overweight and normal weight groups among patients with early-onset preeclampsia and in healthy pregnant women. These data suggest that RBP4 might act in the pathophysiology of late-onset preeclampsia via increased insulin resistance in obese women.[1]


  1. Retinol-binding protein 4 and insulin resistance in preeclampsia. Masuyama, H., Inoue, S., Hiramatsu, Y. Endocr. J. (2011) [Pubmed]
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