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정신분열병의 유전적 고위험군에서 인지, 정서 및 사회기능 연구
이경진,위휘,유소영,이애라,송지연,하태현,홍경수,김명선,권준수 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.1
Objectives : Vulnerability marker in biological relatives of schizophrenia may be very useful in identifying the propensity for the development of schizophrenia. This study suggests that the relatives at risk for genetically developing schizophrenia have impairments in several domains of cognition, social function and affective function as a vulnerability marker. Methods : A neurocognitive function test, a social function test and an affective function test were administered to fifteen healthy relatives from families with two or more patients with schizophrenia (geneticallly high risk subjects). Fifteen healthy controls matched for age and gender were recruited in this study. Results : Compared to the control subject, the genetic high risk subjects performed significantly more poorly in the selective attention and recall memory of neurocognitive function. The high dsk subjects also had lower scores in independence-performance and independence-competence of the social function test and emotion control of the affective function test. Conclusion : Selective attention, recall memory, independence-performance, independence-competence and emotion control ability may be a valuable marker for genetic study of schizophrenia.
Why We Do and What We Do: The Experience of Good English Language Learners
Sue-jeong Shin,송현주,Hyun-kyu Choi,Myung-hwan Hwang,이현아,Youn Mi Cathy Lee,Rosa Oh,이희경 아시아테플 2018 The Journal of Asia TEFL Vol.15 No.1
This narrative inquiry explores how good English language learners’ (GELLs) L2 motivation and usage of language learning strategies change over time based on the onset age of active English learning in the Korean English as a foreign language (EFL) context. And also the current study examines how GELLs learn English. The authors investigated a total dataset of 83 GELLs from 25 autobiographical books on “How I succeed in learning English as a foreign language.” Results indicated that as GELLs’ language proficiency increased, their L2 motivation changed in different patterns depending on the onset age of active English learning. Second, GELLs preferred metacognitive, cognitive, memorization, and social strategies both at the beginning and advanced stage of the English learning process regardless of the onset age of active learning. Finally, GELLs acquired English through a well-balanced language course regardless of the onset age of active learning. Pedagogical implications and future research suggestions are also discussed.
Hyun-Mi Cho,김태웅,최성희,Ki-Chul Hwang,Sue-Young Oh,김호경,Deok-Hyo Yoon,Myung-Ae Choi,SoYeon Lim,송희상,Yangsoo Jang 한국분자세포생물학회 2005 Molecules and cells Vol.19 No.1
Low density lipoproteins (LDL) play important roles in the pathogenesis of atherosclerosis. Diabetes is asso-ciated with accelerated atherosclerosis leading to car-diovascular disease in diabetic patients. Although LDL stimulates the proliferation of arterial smooth muscle cells (SMC), the mechanisms are not fully understood. We examined the effects of native LDL and glycated LDL on the extracellular signal-regulated kinase (ERK) pathway. Addition of native and glycated LDL to rat aorta SMCs (RASMCs) stimulated ERK phosphoryla-tion. ERK phosphorylation was not affected by expo-sure to the Ca2+ chelator BAPTA-AM but inhibition of protein kinase C (PKC) with GF109203X, inhibition of Src kinase with PP1 (5 M) and inhibition of phos-pholipase C (PLC) with U73122/U73343 (5 M) all reduced ERK phosphorylation in response to glycated LDL. In addition, pretreatment of the RASMCs with a cell-permeable mitogen-activated protein kinase kinase (MEK) inhibitor (PD98059, 5 M) markedly decreased ERK phosphorylation in response to native and gly-cated LDL. These findings indicate that ERK phos-phorylation in response to glycated LDL involves the activation of PKC, PLC, and MEK, but is independent of intracellular Ca2+.
Sue-Yeon Lee,Myung-Hyun Kim,Jinu Eo,Young Ju Song,Seung-Tae Kim 한국환경생물학회 2019 환경생물 : 환경생물학회지 Vol.37 No.3
The present study was conducted to investigate the differences in managed farming practices, including low-intensive farming, duck farming, and golden apple snail farming, in a rice ecosystem by comparing terrestrial arthropod communities. A total of 75 species from 70 genera belonging to 43 families in 11 orders were identified from 9,622 collected arthropods. Araneae, Hemiptera, and Coleoptera were the richest taxa. Collembola was the most abundant, followed by Diptera, Hemiptera, and Araneae. Bray- Curtis similarity among the farming practices was very high (76.7%). The biodiversity of each farming practice showed a similar seasonality pattern. The richest species group was the predators, followed by the herbivores. The species richness and diversity of ecologically functional groups among the farming practices were not statistically significant, except for the abundance of predators in golden apple snail farming. The biodiversity seasonality of ecological functional groups in each farming practice showed similar patterns. The biomass of Araneae, Hemiptera, Coleoptera, and Diptera was greater than the other taxa, in general. The biomass of each ecological functional group showed little difference and the biomass fluctuation patterns in each farming practice were almost the same. Collectively, the community structures and biodiversity of terrestrial arthropods among the farming practices in the present study were not different. The present study may contribute to sustain rich biodiversity in irrigated rice fields and to advanced studies of food webs or energy flow structures in rice fields for ecological and sustainable agriculture.
각종 췌장질환에서 Somatostatin Analogue 사용 경험
김현영,김명환,박현주,이성구,서동완,민영일,신영록,이석수,전병민,표승일,유교상 대한소화기학회 2000 대한소화기학회지 Vol.35 No.6
Background/Aims: Octreotide, long-acting analogue of somatostatin, has been used for symptomatic carcinoid syndrome and vasoactive intestinal peptide-producing tumors. In pancreatic diseases, however, the effect of octreotide has not been settled yet. The aim of this study was to evaluate the effect of octreotide in various pancreatic diseases which did not respond to conventional medical treatment. Methods: We reviewed retrospectively the medical records of 28 patients who were admitted at the Asan Medical Center from January 1997 to June 1999. Their diseases were pancreatic fistula (n=9), pancreatic pseudocysts (n=17), and pancreatic ascites (n=2). Octreotide was administered subcutaneously at a dose of 0.1 mg every 12 hours. Results: In the cases of pancreatic fistulas, the mean output of baseline fistula was 289 cc/day. This was decreased to 178 cc/day on the first day of octreotide therapy and to 49 cc/day on the seventh day. Five (56%) patients eventually closed their fistulas. In the cases of pancreatic pseudocysts, 11 (65%) cases had showed complete resolution of pseudocysts. The remaining 6 cases which showed no improvement were treated operatively. In the cases of pancreatic ascites, the two patients (100%) were successfully treated with octreotide. Conclusions: Octreotide seems to be a safe and useful alternative therapy in patients with pancreatic fistulas, pseudocysts or ascites who do not respond to conventional medical management. Further detailed study may be necessary for the establishment of the role of octreotide in the treatment of various pancreatic diseases.
The Relationship Between <i>COL3A1</i> Exon 31 Polymorphism and Pelvic Organ Prolapse
Jeon, Myung Jae,Chung, Sue Min,Choi, Jong Rak,Jung, Hyun Joo,Kim, Sei Kwang,Bai, Sang Wook Elsevier 2009 The Journal of urology Vol.181 No.3
<P><B>Purpose</B></P><P>We investigated the role of <I>COL3A1</I> exon 31 polymorphism (a single base substitution from guanine to adenine at +2092), resulting in the replacement of alanine with threonine at the 698th amino acid of <I>COL3A1</I>, in the pathogenesis of pelvic organ prolapse.</P><P><B>Materials and Methods</B></P><P>A total of 72 postmenopausal Korean women who were not on hormonal replacement therapy and who had a history of vaginal childbirth were enrolled in this study. The patient group consisted of 36 women diagnosed with stage II or greater pelvic organ prolapse irrespective of urodynamic stress incontinence. The control group consisted of 36 healthy volunteers with pelvic organ prolapse quantification system stage 0 or I disease without urodynamic stress incontinence. After extracting the genomic DNA from peripheral blood leukocytes the polymorphism of exon 31 of <I>COL3A1</I> was typed by restriction fragment length polymorphism (<I>Alu I</I> restriction fragment length polymorphism) and confirmed by direct sequencing.</P><P><B>Results</B></P><P>Frequency of the G allele was significantly higher in patients with pelvic organ prolapse than in controls (0.8 vs 0.6, p = 0.002). In women with the G allele the OR for pelvic organ prolapse was 3.2 (95% CI 1.4–7.3).</P><P><B>Conclusions</B></P><P><I>COL3A1</I> exon 31 polymorphism may have a role in determining the risk of pelvic organ prolapse in women with risk factors such as aging, vaginal childbirth and hypoestrogenism.</P>