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김주필(Joo Pil Kim),최한석(Han Seak Choi),예용택(Yong Taek Ye),예성훈(Seong Hun Ye),김태우(Tae Woo Kim),김대희(Dae Hee Kim),지승환(Seung Hwan Ji),지성현(Sung Hyun Ji),이형민(Hyung Min Lee),변진관(Jin Kwan Byun),조주완(Joo Whan Jo),박솔 한국거미연구소 2017 한국거미 Vol.33 No.2
한국거미연구회 회원들은 2017 년 8월 2일부터 3일까지 인천광역시 남동구 소재 소래습지생태공원을 김주필, 최한석, 예용택, 예성훈, 김태우, 김대희, 지승환, 지성현, 변진관, 이형민, 조주완, 박솔민, 이형진, 이태후, 이승후, 조윤규, 조원규, 이준이, 신정애, 이영경, 최라미, 이윤정, 이용화, 한주연, 윤혜원, 김형주 등 26명이 주야로 채집한 결과 14과 38속 50종을 발표 보고하는 바이다. From August 2 to 3 in 2017. Koran Arachnological Study members investigated the Spiders in the whole area Incheon Namdong-gu, and reported 14 Families, 38 Genus 50 Species of spiders. The collected spiders are placed (stored) in the Joo-Pil Spider museum.
김주필(Joo Pil Kim),최한석(Han Seak Choi),예용택(Yong Taek Ye),예성훈(Seong Hun Ye),김태우(Tae Woo Kim),김대희(Dae Hee Kim),지승환(Seung Hwan Ji),지성현(Sung Hyun Ji),이형민(Hyung Min Lee),변진관(Jin Kwan Byun),조주완(Joo Whan Jo),박솔 한국거미연구소 2017 한국거미 Vol.33 No.2
한국거미연구회 회원들은 2017년 8월 3일부터 4일까지 경기도 안산시 소재 시화호 갈대습지공원을 김주필, 최한석, 예용택, 예성훈, 김태우, 김대희, 지승환, 지성현, 변진관, 이형민, 조주완, 박솔민, 이형진, 이태후, 이승후, 조윤규, 조원규, 이준이, 신정애, 이영경, 최라미, 이윤정, 이용호, 한주연, 윤혜원, 김형주 등 26명이 주야로 채집한 결과 18과 49속 71종을 발표 보고하는 바이다. From August 3 to 4 in 2017. Koran Arachnological Study members investigated the Spiders in the whole area Gyeonggi-do Ansan-si, and reported 18 Families, 49 Genus 71 Species of spiders. The collected spiders are placed (stored) in the Joo-Pil Spider museum.
Jo, Hyun Jin,Kim, Nayoung,Nam, Ryoung Hee,Kang, Jung Mook,Kim, Joo-Hyon,Choe, Gheeyoung,Lee, Hye Seung,Park, Ji Hyun,Chang, Hyun,Kim, Hyunjin,Lee, Moon Young,Kim, Yong Sung,Kim, Joo Sung,Jung, Hyun Ch American Physiological Society 2014 American journal of physiology, Gastrointestinal a Vol.306 No.8
<P>Little is known about the time course of aging on interstitial cells of Cajal (ICC) of colon. The aim of this study was to investigate the change of morphology, ICC, and neuronal nitric oxide synthase (nNOS)-immunoreactive cells in the aged rat. The proximal colon of 344 Fischer rats at four different ages (6, 31, 74 wk, and 2 yr) were studied. The immunoreactivity of c-Kit, nNOS, anti-protein gene product 9.5, and synaptophysin were counted after immunohistochemistry. The <I>c-kit</I>, <I>stem cell factor</I> (ligand of Kit), and <I>nNOS</I> mRNA were measured by real-time PCR. c-Kit and nNOS protein were assessed by Western blot. Isovolumetric contractile force measurement and electrical field stimulation (EFS) were conducted. The area of intramuscular fat deposition significantly increased with age after 31 wk. c-Kit-immunoreactive ICC and nNOS-immunoreactive neurons and nerve fibers significantly declined with age. mRNA and protein expression of c-kit and nNOS decreased with aging. The functional study showed that the spontaneous contractility was decreased in aged rat, whereas EFS responses in the presence of atropine and <SMALL>l</SMALL>-NG-Nitroarginine methyl ester were increased in aged rat. In conclusion, the decrease of proportion of proper smooth muscle, the density of ICC and nNOS-immunoreactive neuronal fibers, and the number of nNOS-immunoreactive neurons during the aging process may explain the aging-associated colonic dysmotility.</P>
Synnema formation of Paecilomyces tenuipes using blue LED lamp
Joo-Hong Yeo,Sang-Hoon Han,Kwang-Gill Lee,HaeYong Kweon,You-Young Jo,Ji-Young Mun,Heui-Sam Lee 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10
To synnema formation and entomopathogenic of Paecilomyces tenuipes using some of media under the blue LED lamp. Lyophilized matured silkworm hemolymph and Bombyx mori powder were used as nutrient source in cultivation of an entomopathogenic fungus, Paecilomyces tenuipes. Matured silkworm (MS, aged seventh days of fifth instars) was in whole lyophilized without any treatment. Hemolymph (HL) powder was prepared by water-soluble extraction from matured silkworms which was silk gland removed and also lyophilized, too. Both of media showed better growth rates and synnemata formations than potato dextrose (PD) medium, and B. mori was controlled under the blue LED lamp conditions. To investigate their effect on mycelial growth of P. tenuipes, each of them were provided as nutrient sources by final concentrations of 2, 3 and 4%, respectively. Total 18 test cultures were cultivated for 14 days with no light. Three PD cultures were used as control group. Each of growth areas was measured with an image analyzer. The result showed that MS and HL medium promoted mycelial growth of P. tenuipes by 287 and 310%, respectively, in comparison with PD medium. The synnema formation and its shape of Paecilomyces tenuipes using B. mori under the blue LED lamp group are not so good than normal conditions. But, how to change of a compositions are not yet. It will be investigation in the future.
Aberrant Promoter Hypomethylation of Sortilin 1: A Moyamoya Disease Biomarker
Sung, Hye Youn,Lee, Ji Yeoun,Park, Ae Kyung,Moon, Youn Joo,Jo, Inho,Park, Eun-Mi,Wang, Kyu-Chang,Phi, Ji Hoon,Ahn, Jung-Hyuck,Kim, Seung-Ki Korean Stroke Society 2018 Journal of stroke Vol.20 No.3
<P><B>Background and Purpose</B></P><P>The pathogenesis of moyamoya disease (MMD) remains poorly understood, and no reliable molecular biomarkers for MMD have been identified to date. The present study aimed to identify epigenetic biomarkers for use in the diagnosis of MMD. </P><P><B>Methods</B></P><P>We performed integrated analyses of gene expression profiles and DNA methylation profiles in endothelial colony forming cells (ECFCs) from three patients with MMD and two healthy individuals. Candidate gene mRNA expression and DNA methylation status were further validated using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and pyrosequencing analysis of an expanded ECFC sample set from nine patients with MMD and ten controls. We evaluated the diagnostic accuracy of the potential biomarkers identified here using receiver operating characteristic curve analyses and further measured major angiogenic factor expression levels using a tube formation assay and RT-qPCR. </P><P><B>Results</B></P><P>Five candidate genes were selected via integrated analysis; all five were upregulated by hypomethylation of specific promoter CpG sites. After further validation in an expanded sample set, we identified a candidate biomarker gene, sortilin 1 (<I>SORT1</I>). DNA methylation status at a specific <I>SORT1</I> promoter CpG site in ECFCs readily distinguished patients with MMD from the normal controls with high accuracy (area under the curve 0.98, sensitivity 83.33%, specificity 100%). Furthermore, <I>SORT1</I> overexpression suppressed endothelial cell tube formation and modulated major angiogenic factor and matrix metalloproteinase-9 expression, implying <I>SORT1</I> involvement in MMD pathogenesis. </P><P><B>Conclusions</B></P><P>Our findings suggest that DNA methylation status at the <I>SORT1</I> promoter CpG site may be a potential biomarker for MMD.</P>