Jian-ping Zeng

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Background. Our purpose was to investigate the association between the surgical approach for Todani type IV cysts and subsequent malignancy rate. Methods. The records of patients who received cyst excision from 1994 to 2013 were analyzed retrospectively for the following data: demographics, presenting symptoms, postoperative outcomes, malignant(More)
RNF43 is a novel tumor suppressor protein and known to be expressed in a multitude of tissue and dysregulated in cancers of these organs including ovarian and colorectal tissues. RNF43 expression has been shown to be expressed in mutated forms in several pancreatic cell lines. RNF43, by virtue of being an ubiquitin ligase, has the potential to(More)
Exponential stability and robust exponential stability relating to switched systems consisting of stable and unstable nonlinear subsystems are considered in this study. At each switching time instant, the impulsive increments which are nonlinear functions of the states are extended from switched linear systems to switched nonlinear systems. Using the(More)
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