Wako Life science

Mountain View, CA, United States

Wako Life science

Mountain View, CA, United States
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Johnson P.J.,Duncan Building | Johnson P.J.,Clatterbridge Cancer Center National Health Service Foundation Trust | Berhane S.,Duncan Building | Kagebayashi C.,Wako Life science | And 18 more authors.
Journal of Clinical Oncology | Year: 2015

Purpose Most patients with hepatocellular carcinoma (HCC) have associated chronic liver disease, the severity of which is currently assessed by the Child-Pugh (C-P) grade. In this international collaboration, we identify objective measures of liver function/dysfunction that independently influence survival in patients with HCC and then combine these into a model that could be compared with the conventional C-P grade. Patients and Methods: We developed a simple model to assess liver function, based on 1,313 patients with HCC of all stages from Japan, that involved only serum bilirubin and albumin levels. We then tested the model using similar cohorts from other geographical regions (n = 5,097) and other clinical situations (patients undergoing resection [n = 525] or sorafenib treatment for advanced HCC [n = 1,132]). The specificity of the model for liver (dys)function was tested in patients with chronic liver disease but without HCC (n = 501). Results: The model, the Albumin-Bilirubin (ALBI) grade, performed at least as well as the C-P grade in all geographic regions. The majority of patients with HCC had C-P grade A disease at presentation, and within this C-P grade, ALBI revealed two classes with clearly different prognoses. Its utility in patients with chronic liver disease alone supported the contention that the ALBI grade was indeed an index of liver (dys)function. Conclusion: The ALBI grade offers a simple, evidence-based, objective, and discriminatory method of assessing liver function in HCC that has been extensively tested in an international setting. This new model eliminates the need for subjective variables such as ascites and encephalopathy, a requirement in the conventional C-P grade. © 2014 by American Society of Clinical Oncology.


Liu Y.,Wako Life science | Li C.,Wako Life science | Li Z.,Wako Life science | Chan S.D.,Wako Life science | And 7 more authors.
Electrophoresis | Year: 2016

Quantitative PCR (qPCR) has been widely used for the detection and monitoring of a variety of infectious diseases. PCR and CE were integrated into a microfluidic chip that was designed to achieve rapid real-time amplicon sampling, separation, and quantitation without requiring various probes. A novel chip design allows the overlapped execution of PCR and CE, minimizing the time required for CE analysis after each PCR cycle. The performance of the on-chip qPCR method was demonstrated using a 45-minutes model assay protocol for the phiX174 bacteriophage, and the multiplexing capability of the method was demonstrated by adding a second target, E. coli genomic DNA, to the model assay. The results indicate good sensitivity, reproducibility, and linearity over the tested assay range, 50 to 2 × 104 copies/25 μL reaction. Based on this performance, the on-chip qPCR method should be applicable to a wide variety of infectious disease detection and monitoring assays with the addition of suitable sample preparation protocols. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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