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- Christakoudi, Sofia, et al.
(författare)
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Development and validation of the first consensus gene-expression signature of operational tolerance in kidney transplantation, incorporating adjustment for immunosuppressive drug therapy
- 2020
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Ingår i: EBioMedicine. - : Elsevier BV. - 2352-3964. ; 58
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Tidskriftsartikel (refereegranskat)abstract
- Background: Kidney transplant recipients (KTRs) with "operational tolerance" (OT) maintain a functioning graft without immunosuppressive (IS) drugs, thus avoiding treatment complications. Nevertheless, IS drugs can influence gene-expression signatures aiming to identify OT among treated KTRs. Methods: We compared five published signatures of OT in peripheral blood samples from 18 tolerant, 183 stable, and 34 chronic rejector KTRs, using gene-expression levels with and without adjustment for IS drugs and regularised logistic regression. Findings: IS drugs explained up to 50% of the variability in gene-expression and 20-30% of the variability in the probability of OT predicted by signatures without drug adjustment. We present a parsimonious consensus gene-set to identify OT, derived from joint analysis of IS-drug-adjusted expression of five published signature gene-sets. This signature, including CD40, CTLA4, HSD11B1, IGKV4-1, MZB1, NR3C2, and RAB40C genes, showed an area under the curve 0.92 (95% confidence interval 0.88-0.94) in cross-validation and 0.97 (0.93-1.00) in six months follow-up samples. Interpretation: We advocate including adjustment for IS drug therapy in the development stage of gene-expression signatures of OT to reduce the risk of capturing features of treatment, which could be lost following IS drug minimisation or withdrawal. Our signature, however, would require further validation in an independent dataset and a biomarker-led trial. (c) 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license. (http://creativecommons.org/licenses/by/4.0/)
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| 2. |
- Greatrex, Roger, et al.
(författare)
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Recent Issues in Trademark Adjudication in Japanese Courts
- 2020
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Ingår i: Firms, Institutions, and the State in East Asia : A Festschrift in Honour of Werner Pascha - A Festschrift in Honour of Werner Pascha. - 9783731614289 - 9783731614517 ; 16, s. 311-326
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Bokkapitel (refereegranskat)abstract
- This paper principally concerns the fundamental issue in Japanese trademark legislation, namely that of confusion (kondô). After briefly passing over the development of trademark law in Japan, the paper presents the key articles in the Trademark Law that deal with the issue in hand. Thereafter the paper presents a number of cases heard by the Intellectual Property High Court, and provides cursory examination of some of the features of the cases. Given the inescapable prolixity – in the interest of clarity – found in many discursive essays, the author feels the need in the present celebratory volume to hurry the proceedings along, and concludes with a comment regarding the inevitable influence of steadily increasing market dispersion on measuring confusion, or at least the apprehension that confusion may arise (kondo o shôzuru osore ga aru), to borrow a watchword found in Article 64 of the Trademark Law.
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| 3. |
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| 4. |
- Taube, Magdalena, et al.
(författare)
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Evaluation of reference genes for gene expression studies in human brown adipose tissue.
- 2015
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Ingår i: Adipocyte. - : Informa UK Limited. - 2162-3945 .- 2162-397X. ; 4:4, s. 280-5
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Tidskriftsartikel (refereegranskat)abstract
- Human brown adipose tissue (BAT) has during the last 5 year been subjected to an increasing research interest, due to its putative function as a target for future obesity treatments. The most commonly used method for molecular studies of human BAT is the quantitative polymerase chain reaction (qPCR). This method requires normalization to a reference gene (genes with uniform expression under different experimental conditions, e.g. similar expression levels between human BAT and WAT), but so far no evaluation of reference genes for human BAT has been performed. Two different microarray datasets with samples containing human BAT were used to search for genes with low variability in expression levels. Seven genes (FAM96B, GNB1, GNB2, HUWE1, PSMB2, RING1 and TPT1) identified by microarray analysis, and 8 commonly used reference genes (18S, B2M, GAPDH, LRP10, PPIA, RPLP0, UBC, and YWHAZ) were selected and further analyzed by quantitative PCR in both BAT containing perirenal adipose tissue and subcutaneous adipose tissue. Results were analyzed using 2 different algorithms (Normfinder and geNorm). Most of the commonly used reference genes displayed acceptably low variability (geNorm M-values <0.5) in the samples analyzed, but the novel reference genes identified by microarray displayed an even lower variability (M-values <0.25). Our data suggests that PSMB2, GNB2 and GNB1 are suitable novel reference genes for qPCR analysis of human BAT and we recommend that they are included in future gene expression studies of human BAT.
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