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Regulation of Monkey 20α-Hydroxysteroid Dehydrogenase (HSD) Promoter by PGF2a and Foskolin
Eun-Bi Seo,Tsevelmaa Nanjidsuren,Chae-Won Park,Min-Su Kim,Kwan-Sik Min 한국동물생명공학회(구 한국동물번식학회) 2013 Reproductive & Developmental Biology(Supplement) Vol.37 No.2s
The monkey 20ɑ-hydroxysteroid dehydrogenase (20ɑ-HSD) is an enzyme responsible for the catabolism in converting progesterone into biological inactive 20a-hydroxyprogesterone, thus playing a key role during the estrous cycle or pregnancy and allowing ovulation and parturition to occur in most mammalian animals. We have previously shown that 20ɑ-HSD in pre-ovulation and pre-parturition was highly detected in ovarian and placental tissues and localized mainly in the syncytiotrophoblast of the placenta. In this study, we focus on the analysis of molecular characterization of the monkey 20ɑ-HSD promoter region by using reporter assay systems in a Chinese hamster ovary (CHO) K1 cells. A reporter assay, using constructs (—890-Luc, —513-Luc, —306-Luc, —273-Luc and —70-Luc) of various lengths of the 5'-flanking region, revealed that the region (Ap-1) between —281 and —274 bp was essential for transcriptional activity. The absence of Ap-1 site in -273-Luc dramatically decreased to the control levels. Thus, Ap-1 site (—281→—274) (5'-TGTCTCAT-3') plays a crucial role for monkey 20α-HSD gene transcription. Next, we analyzed the monkey 20α-HSD promoter activity with treatment of prolactin, PGF2α and Forskolin in CHO-K1 cells. The 2005bp monkey promoter-pGL3 was transfected to CHO cells and added various dose-dependent treatments after incubation 24 hours. For PGF2α 0.5, 1, 5, 10 and 50 μM added and incubated during 6 hours. For Forskolin 0.1, 1, 10, 50 and 100 μM added. And finally, the luciferase activity was measured after 24 hours. Also, human prolactin (3μg/ml) was used as inhibitor. In result, PGF2a was response to a dose-dependent activation. On the other hand Forskolin was detected dose-dependent inhibition in the 2005bp 20α-HSD promoterpGL3 construct. However, prolactin was not shown any significant different. Taken together, our results indicate that monkey 20α-HSD promoter activity inhibit by forskolin. Also, PGF2a remarkedly stimulates the activity of monkey 20α-HSD promoter. We demonstrated that monkey 20a-HSD promoter regulate by AP-transcription factor, PGF2a, and Foskolin.
울주 바다목장 해역의 음향 자원조사법을 통한 어군의 시·공간적 분포
이은찬(Eun-Chan LEE),민은비(Eun-Bi MIN),윤은아(Eun-A YOON),황두진(Doo-Jin HWANG) 전남대학교 어업기술연구소 2018 어업기술연구소보고지 Vol.11 No.1
The purpose of this study was to monitor the spatiotemporal distribution of fish using quantitative echosounding around coastal areas where artificial reefs would be installed for create marine ranching efficiently. The survey was conducted a total of two times at Ulju on 13 June and July 2017 (1st survey), and 7 November 2017 (2nd survey). According to the survey results, the density of fish in June and November was higher at night higher than during the day. The valley of the sea detected much fish. Thus, the distribution of the fish schools changed depending on time of day or night, month, and submarine topography. Therefore, it is thought that the systematic survey should be conducted periodically considering the water temperature salinity and live food as inhabited environments for fish.
음향조사를 이용한 포항 남구 바다목장해역에 서식하는 수산자원의 시·공간적인 분포
김민석(Min-Seok KIM),황준우(Jun-Woo HWANG),민은비(Eun-Bi MIN),윤은아(Eun-A YOON),황두진(Doo-Jin HWANG) 전남대학교 어업기술연구소 2019 어업기술연구소보고지 Vol.12 No.1
The purpose of this research is to investigate the temporal and spatial distributions of fishery resources living in and near artificial fishing banks of marine ranching area in Nam-gu, Pohang through an acoustic survey using a scientific fish finder. The survey was conducted twice in Nam-gu, Pohang on Apr 18 (1st) and Jul 17 (2nd) to investigate the distribution and density of fishery resources. The vertical distribution of the fishery resources was evenly shown across the entire water layers of the target sea area day and night in Apr. They were more distributed in the mid layer in day and night time in Jul. In both Apr and Jul, fishery resources with low acoustic intensity were found, and they were distributed in the deep sea. As for the spatial distribution of fishery resources, they were more distributed in open sea than inland sea of the target sea area in Apr. In Jul, however, they were evenly distributed in the entire sea area, and the density was relatively lower than Apr. As the distribution of fishery resources are different according to day time, night time, water level, season, submarine topography, etc., it requires continuous and systematic observations.
자궁내막암 환자의 외과적 수술 이후 발생한 후유증에 대한 한방치험 1례
고은비 ( Eun-bi Ko ),장권준 ( Kwon-jun Jang ),윤민지 ( Min-ji Yoon ),이지윤 ( Ji-yoon Lee ),양정민 ( Jung-min Yang ),오재성 ( Jae-sung Oh ) 대한한방부인과학회 2021 大韓韓方婦人科學會誌 Vol.34 No.4
Objectives: The purpose of this study is to report the effect of Korean medicine on endometrial cancer patient after laparotomy. Methods: The patient with endometrial cancer who underwent Total Abdominal Hysterectomy (TAH), Bilateral Salpingo Oophorectomy (BSO), Bilateral Paraaortic Lymph Node Dissection (BPLND) was treated by Korean medicine such as herbal medicine, acupuncture, moxibustion. To evaluate the patient, symptoms were measured by Numeric Rating Scale (NRS) and Eastern Cooperative Oncology Group (ECOG). Blood tests including cancer biomarker were conducted during treatment. Results: After treatment, postoperative pain and general weakness were gradually relieved. Conclusions: This case provides us treatment with Korean medicine have substantial benefit on postoperative complications after laparotomy.