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Palikhe, Nami Shrestha,Sin, Hye Jung,Kim, Seung Hyun,Sin, Hyun Jung,Hwang, Eui Kyung,Ye, Young Min,Park, Hae-Sim Springer-Verlag 2012 Journal of human genetics Vol.57 No.8
<P>Prostaglandin E2 receptor subtype EP4 (PTGER4) is one of the four subtypes of receptors for prostaglandin E2 (PGE2). Overproduction of cysteinyl leukotriene in mast cells may be related with suppression of PGE2 in patients with aspirin hypersensitivity. Considering the association of PTGER4 in mast cells, urticaria- and aspirin-related disease, we hypothesized the genetic variability of PTGER4 may be associated with aspirin-intolerant chronic urticaria (AICU). The case-control study was performed in 141 with AICU, 153 with aspirin-tolerant chronic urticaria (ATCU) and 174 with normal controls (NCs). PTGER4 promoter single-nucleotide polymorphism was genotyped using a primer extension method with the SNAPshot ddNTP primer extension kit. The functional variability of PTGER4 promoter polymorphism was carried out by dual-luciferase system and electrophoretic mobility shift assay (EMSA) in human mast cells (HMC-1). Furthermore, the effect of aspirin was performed for PTGER4 mRNA expression using real-time PCR, and PGE2 production was checked in HMC-1 cells using ELISA. AICU patients carrying GG genotype at -1254?G>A showed significantly higher frequency compared with NC (P=0.032). Similarly, the minor allele frequency, G allele was significantly higher in AICU compared with NC (P=0.031). In vitro functional study demonstrated that the -1254?G allele had lower luciferase activity (P<0.001) in HMC-1 cells. EMSA finding showed that PTGER4 -1254?G produced a specific band. Significantly decreased PTGER4 expression (P=0.008) and PGE2 production by aspirin exposure was confirmed in in vitro HMC cell line model (P=0.001). The PTGER4 -1254?G allele demonstrated a higher frequency in AICU patients and lower promoter activity with decreased expression of PTGER4 and contributes to the development of AICU.</P>
IoT 기술을 이용한 안드로이드 기반 배뇨 모니터링 시스템
이다빈 ( Da-bin Lee ),박창신 ( Chang-sin Park ),심예주 ( Ye-ju Sim ),김형훈 ( Hyung-hoon Kim ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.2
유아와 더 나아가 치매 노인, 하반신 마비 장애인 등 성인도 사용할 수 있는 배뇨 모니터링 시스템이다. 기저귀 브랜드와 유아용, 성인용을 구분하지 않는 부착 범위를 가지고 있다. 아두이노를 통해 착용자의 상태를 센싱하여 블루투스로 전송 후 안드로이드를 통해 착용자의 상태를 확인 하고 케어 하는 환경을 제공한다. 잦은 소변확인으로 느낄 수 있는 착용자의 수치심, 불편함을 디바이스를 통해 개선하는 동시에 보호자의 시간을 절약해주고 보장해준다.