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양악전돌증 환자에서 하악 6전치 후방 이동 시 치료 방법에 따른 하악 경조직과 연조직의 변화: 하악 전방분절골절단술과 발치 교정 치료
김영주,김경아,유용재,유경선,유정민,오주영,김수정,김성훈,이백수,Kim, Young-Joo,Kim, Kyung-A,Yu, Yong-Jae,Ryu, Kyung-Sun,Ryu, Jeong-Min,Ohe, Joo-Young,Kim, Su-Jung,Kim, Seoung-Hun,Lee, Baek-Soo 대한악안면성형재건외과학회 2012 Maxillofacial Plastic Reconstructive Surgery Vol.34 No.4
Purpose: The purpose of the study is to evaluate the effectiveness of anterior segmental osteotomy (ASO) in bimaxillary protrusion (BP) patients by comparison between the mandibular soft and hard tissue changes from orthodontic treatment and ASO. Methods: All 44 patients were diagnosed with BP in Kyung-Hee Medical Center. Orthodontic treatment with teeth extractions were underwent by 23 patients (Group A) and 21 patients underwent ASO (Group B). Mandibular soft and hard tissue changes were measured and evaluated, which were based on the vertical and horizontal reference line in lateral cephalometric radiographs. Statistical significance between the changes and correlation between each measurement were analyzed. Results: The amount of B point movement was lesser than that of the lower incisal tip (LIT) retraction, and LIT was tilted lingually in group A. The posterior movement discrepancy between LIT and B point was insignificant, and the inclination of lower incisor was not changed in group B. The soft tissues, including the lower lip, showed a posterior movement and reduction in the depth of mento-labial groove. According to the correlation analysis, the movement of the lower incisor was significantly related to the movement of the lower lip in group A, and the movement of the lower incisor was significantly related to that of the movement of lower lip, B point and Pog in group B. Conclusion: The orthodontic treatment in BP patients results in posterior tilting movement of the lower incisor, but ASO results in the bodily movement of the lower incisor. Consequently, ASO is more effective in BP cases because it ensures the controlled movement of the lower incisors.
국내외 ‘영아’ 관련 연구물의 최근 동향 분석 : 2000년~2013년 발간 논문을 대상으로
이승연,권수현,권연정,김언경,나영이,유주연,최정아 이화여자대학교 교육과학연구소 2015 교육과학연구 Vol.46 No.3
The purpose of this study was to examine research trends in infant research published from 2000 to 2013, in order to understand overall aspects in research topics, methods, and subjects in infant research and to suggest directions for future infant research. A total of 2916 journal articles and theses/dissertations, both domestic and foreign, were selected for the analysis. The findings of this study were as follows: First, for the 14 year period, 737 domestic articles, 634 domestic theses/ dissertations, 1242 foreign articles, and 303 foreign dissertations on infant research were published, and there was a steady increase in the number of articles and theses/dissertations over the years. Second, in terms of research topics, different patterns were found between the domestic ones and the foreign ones; the topic of “education and teachers” in the domestic ones and “development” in the foreign ones occurred most frequently. Third, in terms of research methods, the domestic ones employed “survey” the most, and the foreign ones employed “experiment” the most among quantitative research methods; when analyzing the relation between methods and topics, the foreign ones showed clear matches between topics and research methods, while the domestic ones preferred “survey” regardless of the topics. Fourth, in terms of subjects/participants, “infants” were the most researched in both the domestic ones and the foreign ones, followed by “parent” and “teachers.” Among the infants, the domestic ones focused on 25~36-month olds the most, while the foreign ones focused most on 0~12-month olds. In addition, in all types of infant research, there were more single subject studies than multiple subject ones.
KITENIN Is Associated with Tumor Progression in Human Gastric Cancer.
Ryu, Ho-Seong,Park, Young-Lan,Park, Su-Jin,Lee, Ji-Hee,Cho, Sung-Bum,Lee, Wan-Sik,Chung, Ik-Joo,Kim, Kyung-Keun,Lee, Kyung-Hwa,Kweon, Sun-Seog,Joo, Young-Eun Potamitis Press 2010 Anticancer research Vol.30 No.9
<P>BACKGROUND: KAI1 COOH-terminal interacting tetraspanin (KITENIN) promotes tumor cell migration, invasion and metastasis in colon, bladder, head and neck cancer. The aims of current study were to evaluate whether KITENIN affects tumor cell behavior in human gastric cancer cell line and to document the expression of KITENIN in a well-defined series of gastric tumors, including complete long-term follow-up, with special reference to patient prognosis. MATERIALS AND METHODS: To evaluate the impact of KITENIN knockdown on behavior of a human gastric cancer cell line, AGS, migration, invasion and proliferation assays using small-interfering RNA were performed. The expression of activator protein-1 (AP-1) target genes and AP-1 transcriptional activity were evaluated by reverse transcription-polymerase chain reaction (RT-PCR) and luciferase reporter assay. The expression of KITENIN and AP-1 target genes by RT-PCR and Western blotting or immunohistochemistry was also investigated in human gastric cancer tissues. RESULTS: The knockdown of KITENIN suppressed tumor cell migration, invasion and proliferation in AGS cells. The mRNA expression of matrix metalloproteinase-1 (MMP-1), MMP-3, cyclooxygenase-2 (COX-2), and CD44 was reduced by knockdown of KITENIN in AGS. AP-1 transcriptional activity was significantly decreased by knockdown of KITENIN in AGS cells. KITENIN expression was significantly increased in human cancer tissues at RNA and protein levels. Expression of MMP-1, MMP-3, COX-2 and CD44 were significantly increased in human gastric cancer tissues. Immunostaining of KITENIN was predominantly identified in the cytoplasm of cancer cells. Expression of KITENIN was significantly associated with tumor size, Lauren classification, depth of invasion, lymph node metastasis, tumor stage and poor survival. Discussion: These results indicate that KITENIN plays an important role in human gastric cancer progression by AP-1 activation.</P>
Joo, Sun-Young,Cho, Kyung-Ah,Jung, Yun-Jae,Kim, Han-seong,Park, Seong-Yeol,Choi, Yong-Bock,Hong, Kyung-man,Woo, So-Youn,Seoh, Ju-Young,Ryu, Kyung-Ha Published for the International Federation for Cel 2011 Cell biology international Vol.35 No.4
<P>Cell therapy using MSCs (mesenchymal stem cells) might be effective treatment for refractory GVHD (graft-versus-host disease). However, the fate and distribution of MSCs after transplantation remains unclear. In this study, an animal model was developed to monitor the dynamic distribution of MSCs in mice with GVHD. A GVHD mouse model was established by transplanting C57BL/6 donor bone marrow cells and C57BL/6 EGFP (enhanced green fluorescent protein) splenocytes into lethally irradiated BALB/c nude recipient mice. Donor MSCs were obtained from MHC-identical C57BL/6 RFP (red fluorescent protein) mice and infused into the recipient mice on the same transplantation day. In vivo movement of the donor splenocytes (EGFP) and MSCs (RFP) were evaluated by measuring the biofluorescence (IVIS-Xenogen system). Donor splenocytes and MSCs reached the lungs first, and then the gastrointestinal tract, lymph nodes and skin, in that order; the transit time and localization site of these cells were very similar. In the recipient mouse with GVHD, the number of detectable cells declined with time, as assessed by biofluorescence imaging and confirmed by RT (real-time)-PCR. This bioimaging system might be useful for preclinical testing and the design of therapeutic strategies for monitoring the dynamic distribution of MSCs with GVHD.</P>
Ryu, Jae-Chun,Kim, Kyung-Ran,Ryu, Eun-Kyung,Kim, Hyun-Joo,Kwon, Oh-Seung,Song, Choong-Eui,Mar, Woong-Chon,Chang, Il-Moo Korean Environmental Mutagen Society 1996 한국환경성돌연변이·발암원학회지 Vol.16 No.1
To investigate the clastogenicity of taxol and its precursor, 10-aleacetyl baccatin III, we performed chromosomal aberration assay with chinese hamster lung cells in vitro. The IC$_{50}$ values of taxol and 10-deacetyl baccatin III were determined as $1/16 \times 10^{-4}$ M (5.34 $\mu$g/ml) and $1 \times 10^{-2}$ M (560 $\mu$g/ml) in MTT assay, respectively. It means that the cytotoxicity of taxol revealed 100 times more cytotoxic than 10-deacetyl baccatin III in chinese hamster lung cell line. Nevertheless the strong positive genetic toxicity of taxol in the bone marrow micronucleus assay in vivo which was recently reported, we observed weak positive clastogenicity of taxoi only in the absence of metabolic activation system in the concentration ranges used in this experiment. Moreover, to clarify the involvement of metabolic fate of taxol because of its strong positive result in vivo, 10-deacetyl baccatin III which is a precursor in taxol synthesis, also subjected in chromosomal aberration assay in vitro. However, we observed no clastogenicity of 10-deacetyl baccatin III in this experiment. From above results, it was suggested that the esterification at C-13 appears to be relative for its genetic toxicity in chromosome aberration using chinese hamster lung cell in vitro.
Lee Keon-Joo,Shin Dong Woo,Park Hong-Kyun,Kim Beom Joon,박종무,Kang Kyusik,Park Tai Hwan,Lee Kyung Bok,Hong Keun-Sik,Cho Yong-Jin,Kim Dong-Eog,Ryu Wi-Sun,Lee Byung-Chul,Yu Kyung-Ho,오미선,Lee Soo Joo,Kim Ja 대한의학회 2022 Journal of Korean medical science Vol.37 No.33
This study aimed to present the prognosis after minor acute ischemic stroke (AIS) or transient ischemic attack (TIA), using a definition of subsequent stroke in accordance with recent clinical trials. In total, 9,506 patients with minor AIS (National Institutes of Health Stroke Scale ≤ 5) or high-risk TIA (acute lesions or ≥ 50% cerebral artery steno-occlusion) admitted between November 2010 and October 2013 were included. The primary outcome was the composite of stroke (progression of initial event or a subsequent event) and all-cause mortality. The cumulative incidence of stroke or death was 11.2% at 1 month, 13.3% at 3 months and 16.7% at 1 year. Incidence rate of stroke or death in the first month was 12.5 per 100 person-months: highest in patients with large artery atherosclerosis (17.0). The risk of subsequent events shortly after a minor AIS or high-risk TIA was substantial, particularly in patients with large artery atherosclerosis.
대학생들의 성의식에 대한 태도 유형 : Q-methodological approach Q-방법론적 접근
류은정,정연강,권현주,정혜경 韓國學校保健學會 1998 韓國學校保健學會誌 Vol.11 No.2
Because sexual awareness is changing, 1 have tried to classify university students' attitudes toward sex. This study examined male and female university students and used a Q-method to measure these attitudes. Out of a total of 202, 33 statements were abstracted, and a P-sample of 1-7 parties consisting of 26 persons were studied. I Q-sorted the statements with a standard of 9 points for normal distribution and analysed the data by means of a Principal Component Analysis with a Quan PC Program. According to the result of this research, university students' attitudes toward sex are divided into three types. Type 1 are called open-minded open: They may have a surgical abortion in case of an unexpected pregnancy and sexual intercourse occurs when a man and woman feel love for each other. They don't see sexual intercourse as a means reproduction nor virginal purity as unconditional. It is remarkable that these students regard sexual intercourse as a natural thing and sex as a basic desire of human beings. In short, they show an open-minded attitude toward sex. Type 2 are supporters of virginal purity; They regard virginal purity with great importance. They insist that both man and woman should be chaste but that sexual intercourse before marriage is unfavorable only to the woman. They do not believe in sexual intercourse without love and emphasize purity in sex education. Differen from type 1, they are very negative about surgical abortion. Type 3 experss love through sex. They belive that sexual intercourse makes a couple happy and a way to express their affection for each other. In, other words, the relationship between man and woman is improved through sexual intercourse. They do not think of sexual intercourse in terms of childbirth