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Articles by Jun Yao
Total Records ( 3 ) for Jun Yao
  Jun Yao , Xuan Wang and Zhibin Liu
  Brand Experience is a bridge of connection between brand and consumer and is a hot issue on Brand Research currently. With the Brand Experience Identification system (BEIs) construction and research as study object, this paper presents the concept of BEIs at the perspective of consumers’ real Brand Experience and by the approach of human psychological experience cognitive. Subsequently, trying to allow enterprises to have a better application of this system to create or manage the User Experience of brand and be able to make the brand and consumer to establish a real connection, it expounds the content, construction methods and process of the BEIs.
  Qi Zhang , Linhong Wang , Yan Jiang , Liwen Fang , Pinliang Pan , Shuangyan Gong , Jun Yao , Yi-Wei Tang , Sten H. Vermund and Yujiang Jia
  The early detection of human immunodeficiency virus type 1 (HIV-1) infection in infants is complicated by the persistence of maternal antibodies and by diverse HIV-1 subtypes. We developed a nested, three-monoplex HIV-1 DNA PCR (N3M-PCR) assay to detect diverse HIV-1 subtypes in infants born to infected mothers. We optimized the test for use with dried blood spot (DBS) samples for ease of storage and transport from rural China to central laboratories. Six pairs of primers were designed that targeted env, gag, and pol genes, and the test was run in three reactions with an analytical sensitivity of 10 copies DNA per reaction to cover nine HIV-1 subtypes, A, B, C, D, F, G, CRF01-AE, CRF08-BC, and CRF07-BC. The assay performance was evaluated on 347 DBS specimens from 151 exposed infants in four diverse provinces of China in which multiple subtypes were circulating. The results of this test were compared to those of HIV antibody enzyme immunoassay and Western blotting confirmation for the infants at >=18 months of age or to convincing clinical and epidemiologic data for deceased infants. The sensitivity of the N3M-PCR assay was 30.0% (3/10) for infants at 48 h after birth, 91.7% (11/12) at 1 to 2 months of age, and 93.7% (15/16) at 3 to 6 months of age. The specificity was 100% (94/94) at all three time points. The PCR reproducibility in the three DNA regions was 100% for samples at 48 h after birth, 96.7% at 1 to 2 months, and 100% at 3 to 6 months of age. The HIV-1 DNA N3M-PCR assay on DBSs offers a simple and affordable approach for early infant HIV-1 diagnosis in regions with diverse HIV-1 circulating subtypes.
  Yimin Ren , Hong Wei Xu , Fleur Davey , Margaret Taylor , Jim Aiton , Peter Coote , Fang Fang , Jun Yao , Doris Chen , John Xi Chen , Shi Du Yan and Frank J. Gunn-Moore
  Alzheimer patients have increased levels of both the 42 amyloid-β-peptide (Aβ) and the amyloid binding alcohol dehydrogenase (ABAD), which is an intracellular binding site for Aβ. The overexpression of Aβ and ABAD in transgenic mice has shown that the binding of Aβ to ABAD results in amplified neuronal stress and impairment of learning and memory. From a proteomic analysis of the brains from these animals, we have identified for the first time that the protein endophilin I increases in Alzheimer diseased brain. The increase in endophilin I levels in neurons is linked to an increase in the activation of the stress kinase c-Jun N-terminal kinase with the subsequent death of the neurons. We also demonstrate in living animals that the expression level of endophilin I is an indicator for the interaction of ABAD and Aβ as its expression levels return to normal if this interaction is perturbed. Therefore this identifies endophilin I as a new indicator of the progression of Alzheimer disease.
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