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DOI: 10.1160/TH2011120003
Expression of Concern
Publication History
Publication Date:
27 November 2017 (online)
![](https://www.thieme-connect.de/media/10.1055-s-00035024/201106/lookinside/thumbnails/10-1160-th2011120003-1.jpg)
Concerns have been raised about the originality and possibly duplicity of figures used in articles published by Dr. Kenji Okajima's group in Thrombosis and Haemostasis. This concerns the following articles:
● Yuksel M, Okajima K, Uchiba M, Horiuchi S, Okabe H. Activated protein C inhibits lipopolysaccharide-induced tumor necrosis factor-alpha production by inhibiting activation of both nuclear factor-kappa B and activator protein-1 in human monocytes Thromb Haemost 2002; 88: 267–273.
● Harada N, Okajima K, Yuksel M, Isobe H. Contribution of capsaicin-sensitive sensory neurons to antithrombin-induced reduction of ischemia/reperfusion-induced liver injury in rats. Thromb Haemost 2005; 93: 48–56.
● Molor-Erdene P, Okajima K, Isobe H, Uchiba M, Harada N, Shimozawa N, Okabe H. Inhibition of lipopolysaccharide-induced tissue factor expression in monocytes by urinary trypsin inhibitor in vitro and in vivo. Thromb Haemost 2005; 94: 136–145.
Although the authors have provided new figures, Thrombosis and Haemostasis has no means of establishing correctness of these figures and thus is publishing this Expression of Concern.