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김영경,문혁수,정재연,한수진,이병진,김은경,정혜련 韓國學校保健學會 2001 韓國學校保健學會誌 Vol.14 No.1
The purpose of this study was to collect basic data for the development of effective oral health education program in elementary school. The subjects in this study were 604 fourth-year, fifth-year and sixth-year students of an elementary school in Seoul. Oral health awareness and behaviors were surveyed and analyzed. The findings of this study were as follows: 1. The most common time for toothbrushing was after dinner(62.0%) and before bedtime(62.3%). By school year, the largest number who brushed their teeth after dinner were fourth and fifth graders while the greatest number who did so after breakfast were sixth graders Seventy-four percent of respondents brushed the teeth twice or more a day. By school year, the fifth-year students brushed their teeth the least while girls outperformed the boys in daily toothbrushing frequency(p<0.05). Regarding the intake of cariogenic food, 62.1% took that kind of food once or more a day. By school year, the fifth graders took the most (p<0.05), and girls took more cariogenic food than the boys(p<0.05). 2. Ninety percent of the respondents had visited a dental clinic. By grade, the sixth-year students had visited a dental clinic more frequently and girls more frequently than boys. Eighty percent of the respondents visited a dental clinic to receive treatment but just 12.3% visited a dental clinic to prevent oral diseases. Concerning the fetor of dental treatment only 14.4% expressed fear. School year made no difference, yet the percentage of girls who experienced fear was higher than that of boys(P<0.05). Regarding preventive treatment, 39.7% experienced pit and fissure sealing and 24.2% experienced the application of fluorides. All the students hadn't much experience in preventive treatment regardless of school year -- gender didn't make a difference. 3. Fourty-six percent of respondents had a preference for the fluoride mouth rinsing program; 38.4% wanted that grogram to continue. As to the reason for preference, 38.2% preferred it because of the prevention of dental caries, 43.0%, the largest percentage, didn't favor it because they found it too much trouble to do(some of the respondents gave two different answers). 4. Despite an increase in the frequency of toothbrushing at the right time, they still took cariogenic food frequently Their visit to a dental clinics also aimed at treatment more than at prevention, and they had very narrow experience of preventive treatment. Furthermore, the fluoride mouth rinsing program failed to draw their interest. Therefore, it is recommended that a successful real health education program should be developed.
초등학교 자녀의 구강보건에 관한 학부모의 인식 및 행동
한수진,문혁수,정재연,김영경,이병진,김은경,정혜련 韓國學校保健學會 2001 韓國學校保健學會誌 Vol.14 No.1
The purpose of this study was to collect basic data for the development of oral health education program of parents and to encourage their actual interest and participation in school oral health program. The authors surveyed parents' awareness and behaviors about the oral health of their children. The subjects in this study were 193 parents of elementary school children in Seoul. The collected data were analyzed, the obtained results were as follows: 1. Thirty-five percent of the parents investigated paid a regular visit to a dental clinic. The must common tooth brushing time among them was after dinner, the second was after breakfast, and this was followed by before bedtime and before breakfast. 2. Ninety-four percent of the parents responded that prevention is necessary, 92.2% had a plan to visit a dental clinic to prevent dental caries, and 60.1% experienced receiving pit and fissure sealants. Ninety-seven percent responded that they did check their children's dental caries. 54.9% chocked their children's oral status after tooth brushing. The parents who visit a dental clinic on a regular basis were more likely to check their children's teeth after tooth brushing than those who don't(P<0.05). 3. Eighty eight percent of respondents wanted to keep the fluoride mouth rinse program. 4. It is recommended that an oral health education program be developed for parents to visit dental clinics on a regular basis, to educate as to the right tooth brushing time, and to check out their children's oral status after tooth blushing.
Kim, Hye Ryun,Shim, Hyo Sup,Chung, Jin‐,Haeng,Lee, Young Joo,Hong, Yun Kyoung,Rha, Sun Young,Kim, Se Hoon,Ha, Sang‐,Jun,Kim, Se Kyu,Chung, Kyung Young,Soo, Ross,Kim, Joo Hang,Cho, Byoung C Wiley Subscription Services, Inc., A Wiley Company 2012 Cancer Vol.118 No.3
<P><B>Abstract</B></P><P><B>BACKGROUND:</B></P><P>The objectives of this study were to determine the proportions of major oncogenic alterations and to examine survival in genotype‐specific subsets of never‐smokers with nonsmall cell lung cancer (NSCLC).</P><P><B>METHODS:</B></P><P>The authors concurrently analyzed mutations in the epidermal growth factor receptor (<I>EGFR</I>) and v‐Ki‐<I>ras</I>2 Kirsten rat sarcoma viral oncogene homolog (<I>KRAS</I>) genes and investigated anaplastic lymphoma kinase (<I>ALK</I>) gene rearrangements in samples from 229 never‐smokers with NSCLC. <I>ALK</I> rearrangements were identified by fluorescent in situ hybridization and were confirmed by immunohistochemistry. Mutations in <I>EGFR</I> (exons 18 to 21) and <I>KRAS</I> (codons 12 and 13) were determined by direct sequencing.</P><P><B>RESULTS:</B></P><P>Of 229 tumors, the frequency of <I>EGFR</I> mutations, <I>ALK</I> rearrangements, <I>KRAS</I> mutations, and no mutations (wild type [WT]) in any of the 3 genes (<I>WT/WT/WT</I>) was 48%, 8.3%, 3.5%, and 40.2%, respectively. All genetic alterations were mutually exclusive. The median progression‐free survival after treatment with EGFR tyrosine kinase inhibitors (TKIs) was 12.8 months, 6.3 months, 2.1 months, and 1.6 months in patients with <I>EGFR</I> mutations, the <I>WT/WT/WT</I> genotype, <I>KRAS</I> mutations, and <I>ALK</I> rearrangements, respectively. In a Cox regression model, the adjusted hazard ratio for the risk of disease progression after treatment with EGFR TKIs was 0.59 (95% confidence interval [CI], 0.40‐0.87; <I>P</I> = .008) for patients with <I>EGFR</I> mutations, 4.58 (95% CI, 2.07‐10.15; <I>P</I> < .001) for patients with <I>ALK</I> rearrangements, and 4.23 (95% CI, 1.65‐10.8; <I>P</I> = .003) for patients with <I>KRAS</I> mutations. Overall survival also differed significantly among genotypes.</P><P><B>CONCLUSIONS:</B></P><P>To the authors' knowledge, this was the largest comprehensive and concurrent analysis to date of 3 major oncogenic alterations in a cohort of East Asian never‐smokers with NSCLC. Because survival outcomes differed among genotypes, and drugs that target specific alterations currently are available, genetic profiling to identify genotype‐specific subsets can lead to successful treatment with appropriate kinase inhibitors. Cancer 2012;. © 2011 American Cancer Society.</P>
Kim, Young-Jon,Kim, Byoung-Ryun,Ryu, Jae-Suk,Lee, Gyeong-Ok,Kim, Hak-Ryul,Choi, Keum-Ha,Ryu, Jae-Won,Na, Kyoung-Suk,Park, Min-Cheol,So, Hong-Seob,Cho, Ji-Hyun,Park, Do-Sim Blackwell Scientific Publications 2017 International journal of gynecological cancer Vol.27 No.2
<B>Objective</B><P>Heterogeneous nuclear ribonucleoprotein A1 (HNRNPA1), serine/arginine-rich splicing factor 1 (SRSF1), and SRSF3 are splicing regulators associated with oncogenesis. However, the alterations of SF proteins and their diagnostic values in cervical cancer are unclear. To apply SFs clinically, effective marker selection and characterization of the target organ properties are essential.</P><B>Materials and Methods</B><P>We concurrently analyzed HNRNPA1, SRSF1, SRSF3, and the conventional tumor markers squamous cell carcinoma antigen (SCCA) and carcinoembryonic antigen (CEA) in cervical tissue samples (n = 127) using semiquantitative immunoblotting. In addition, we compared them with p16 (cyclin-dependent kinase inhibitor 2A [CDKN2A]), which has shown high diagnostic efficacy in immunohistochemical staining studies and has been proposed as a candidate protein for point-of-care screening biochemical tests of cervical neoplasia.</P><B>Results</B><P>HNRNPA1, higher molecular weight forms of SRSF1 (SRSF1-HMws), SRSF3, CEA, and p16 levels were higher (<I>P</I> < 0.05) in cervical carcinoma tissue samples than in nontumoral cervical tissue samples. However, the levels of SRSF1-Total (sum of SRSF1-HMws and a lower molecular weight form of SRSF1) and SCCA, a commonly used cervical tumor marker, were not different between carcinoma and nontumoral tissue samples. In paired sample comparisons, HNRNPA1 (94%) showed the highest incidence of up-regulation (carcinoma/nontumor, >1.5) in cervical carcinoma, followed by p16 (84%), SRSF1-HMws (69%), SRSF3 (66%), CEA (66 %), SCCA (32%), and SRSF1-Total (31%). HNRNPA1 (92%) and p16 (91%) presented the two highest diagnostic accuracies for cervical carcinoma, which were superior to those of SRSF3 (75%), SRSF1-HMws (72%), CEA (72%), SCCA (59%), and SRSF1-Total (55%).</P><B>Conclusions</B><P>Our results identified that HNRNPA1 is the best diagnostic marker among the SFs and conventional markers given its excellent diagnostic efficacy for cervical carcinoma, and it has a p16-comparable diagnostic value. We suggest that HNRNPA1 is an additional effective target protein for developing cervical cancer detection tools.</P>
EGFR 돌연변이와 ROS1 전위를 동시에 가진 폐선암 환자의 Erlotinib 치료 1예
김민환,박예현,박혜정,지아영,송창호,진무년,김영주,김선욱,이중희,김인수,김혜련,김주항,조병철 Ewha Womans University School of Medicine 2014 EMJ (Ewha medical journal) Vol.37 No.1
The rearrangement of c-ros oncogene 1 (ROS1) has been recently identified as an important molecular target in non small cell lung cancer (NSCLC). ROS1 rearrangement and epidermal growth factor receptor (EGFR) mutation were mutually exclusive each other in previous studies, and the clinical implication of co-existence of the two genetic alterations has not been determined. We report a case of 46-year-old female never-smoker NSCLC patient whose tumor harbored ROS1 rearrangement and EGFR mutation concomitantly. She had undergone curative surgery for stage IIIA NSCLC, and the recurrence in left pleura and brain occurred at 2 years after the surgery. She received several lines of chemotherapy including docetaxel plus carboplatin, erlotinib, pemetrexed, and gemcitabine. Erlotinib therapy showed a favorable treatment response with progression-free survival of 9.5 months and partial response of tumor on radiologic evaluations. This case represents a successful erlotinib treatment in a NSCLC patient with concurrent ROS1 rearrangement and EGFR mutation.
Kim, Sung-Moo,Kim, Hwan,Jang, Kang Won,Kim, Min Hwan,Sohn, Jinyoung,Yun, Mi Ran,Kang, Han Na,Kang, Chan Woo,Kim, Hye Ryun,Lim, Sun Min,Moon, Yong Wha,Kim, Joo Hang,Paik, Soonmyung,Cho, Byoung Chul American Association for Cancer Research 2016 Molecular Cancer Therapeutics Vol.15 No.7
<P>Although treatment of BRAF V600E-mutant non-small cell lung cancer (NSCLCV600E) with GSK2118436 has shown an encouraging efficacy, most patients develop resistance. To investigate the mechanisms of acquired resistance to GSK2118436 in NSCLCV600E, we established GSK2118436-resistant (GSR) cells by exposing MV522 NSCLCV600E to increasing GSK2118436 concentrations. GSR cells displayed activated EGFR-RAS-CRAF signaling with upregulated EGFR ligands and sustained activation of ERK1/2, but not MEK1/2, in the presence of GSK2118436. Treatment of GSR cells with GSK2118436 enhanced EGFR-mediated RAS activity, leading to the formation of BRAF-CRAF dimers and transactivation of CRAF. Interestingly, sustained activation of ERK1/2 was partly dependent on receptor-interacting protein kinase-2 (RIP2) activity, but not on MEK1/2 activity. Combined BRAF and EGFR inhibition blocked reactivation of ERK signaling and improved efficacy in vitro and in vivo. Our findings support the evaluation of combined BRAF and EGFR inhibition in NSCLCV600E with acquired resistance to BRAF inhibitors. (C) 2016 AACR.</P>