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면접조사를 통한 초등학생의 영양교육 실태 및 실천도 조사
오유진,이영미,김정현,안홍석,김정원,박혜련,서정숙,김경원,권오란,박혜경,이은주,성현이 대한지역사회영양학회 2008 대한지역사회영양학회지 Vol.13 No.4
This study investigated the experience and practice of elementary school students on nutrition education. The data were collected from 217 male and female students attending 5-6th grade elementary schools in Seoul and Kyunggi-Do from March to June 2007, interviewing face to face by a nutrition teacher and 3 interns of a nutrition teacher. The results were as follows: 86.5% of the subjects learned about ‘Table etiquette’, ‘Reasons for eating fruits and vegetables’ (78.7%), ‘Food waste and environment’ (72.3%), ‘Healthy snacks’ (55.7%), ‘Food sanitation’ (52.3%), ‘Food culture of foreign countries’ (48.1%). Nutrition education experience was significantly different by gender. A total of 43.5% boys responded that they never learned about ‘basic food preperation’ (p < 0.01). They had learned ‘Nutrients for body’ and ‘Food waste and environment’ in school, ‘Healthy weight loss’, ‘Food culture of foreign countries’, ‘Food circulation’ on television, Most content (‘Table etiquette’, ‘Simple cooking’, ‘Food sanitati n’, ‘Eating behaviors for health’, ‘Reasons for eating fruits and vegetables’, ‘Healthy snacks’) was learned from parents. The practice after nutrition education was higher in ‘Table etiquette’ (2.14), ‘Eating fruits and vegetables’ (2.07) than others compared with education experience. The most reason of non-practice on nutrition information was ‘Troublesome’. In ‘Nutrients for body’, a boy answered ‘Difficult for practice’ 20.0%, a girl answered ‘Difficult to understand’ 32.6%, showing a significant difference between the gender groups (p < 0.001). They remembered the ‘Nutrients for body’ (49.6%), ‘Food sanitation’ (44.5%) because of ‘important content’,‘Basic food preparation’ (40.6%), ‘Food culture of foreign countries’ (36.3%) because of ‘interesting content’, ‘Healthy weight loss’ (52.0%), ‘Eating behavior for health’ (44.5%) and ‘Healthy snacks’ (33.7%) because of ‘need for my health’.
제 1형 신경섬유종증 환자에서 발생한 위장관 간질종양 1예
원경준,이준,변유미,조민근,한경택,김원,홍란,임성철,김경종,김영대,박찬국,김만우 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.2
Gastrointestinal stromal tumor (GIST) is the most common non-epithelial neoplasm arising in the gastrointestinal tract, but this tumor is rarely seen in association with type l neurofibromatosis (NFl) Generally, the majority of GISTs are isolated neoplasm and they are sporadically found in the stomach, but the GISTs in NFl patients are usually multiple and usually found in the small intestine. We report a case of multiple GISTs in the jejunum of a 63-year-old woman diagnosed as NFl accompanied by complication of gastrointestinal bleeding, In this case, Patient had multiple cafe-au lait spots and neurofibroma on skin and had freckling on axilla and groin, and then, we made a diagnosis of NFl. Gastrointestinal bleeding is controlled by resection of multiple GISTs. Generally, only 3-5% of all gastrointestinal bleeding comes from the small bowel. Causes of small intestinal bleeding are angiodysplasia, neoplasm, NSAIDs induced ulcer etc. but, If patients have NFl accompanied by complication of gastrointestinal bleeding, GISTs on small bowel must be considered.
Prevalence and antimicrobial resistance of Clostridium difficile isolated from Korean native cattle
Yu-Ran Lee(Yu-Ran Lee),Jong Wan Kim(Jong Wan Kim),Chung Hyun Kim(Chung Hyun Kim),Bun Seung Jo(Bun Seung Jo),Hyun Mi Kim(Hyun Mi Kim),ByungJae So(ByungJae So),Ha-Young Kim(Ha-Young Kim) 한국예방수의학회 2017 한국예방수의학회 학술대회자료집 Vol.2017 No.-
Lee, Seung-Hun,Kim, Ha-Young,Lee, Haeseung,Kim, Jong Wan,Lee, Yu-Ran,Chae, Myeong Ju,Oh, Sang-Ik,Kim, Jong Ho,Rhee, Man Hee,Kwon, Oh-Deog,Goo, Youn-Kyoung,Kim, Tae-Hwan,Geraldino, Paul John L,Kwak, Do BMJ Group Group Ltd 2018 The Veterinary record Vol.183 No.16
<P>This study evaluated the prevalence of <I>Eimeria</I> species, particularly <I>E bovis</I>, <I>E zuernii</I> and <I>E auburnensis</I> that are pathogenic to cattle, in faecal samples collected from cattle with diarrhoea reared in the Republic of Korea by using microscopy and PCR. In addition, the prevalence of <I>Eimeria</I> species was analysed according to age, type of cattle, region, season and nature of diarrhoea. Overall, <I>Eimeria</I> species were identified in 279 of the 1261 (22.1 per cent) faecal samples through microscopy, and statistical analysis revealed a lower prevalence in calves aged than three weeks or less and higher prevalence in cattle with haemorrhagic diarrhoea. Of the 279 microscopy-positive samples, <I>E bovis</I>, <I>E zuernii</I> and <I>E auburnensis</I> were identified in 100 (7.9 per cent), 83 (6.6 per cent) and 27 (2.1 per cent) faecal samples, respectively, by using PCR. To the authors' knowledge, this study is the first to apply PCR for epizootiology of bovine coccidiosis.</P>
Lee, Ki Mo,Lee, Eun Ok,Lee, Yu Ran,Joo, Hee Kyoung,Park, Myoung Soo,Kim, Cuk-Seong,Choi, Sunga,Jeong, Jin-Ok,Jeon, Byeong Hwa MDPI 2017 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.18 No.10
<P>Vascular calcification plays a role in the pathogenesis of atherosclerosis, diabetes, and chronic kidney disease; however, the role of apurinic/apyrimidinic endonuclease 1/redox factor-1 (APE1/Ref-1) in inorganic phosphate (Pi)-induced vascular smooth muscle cell (VSMC) calcification remains unknown. In this study, we investigated the possible role of APE1/Ref-1 in Pi-induced VSMC calcification. We observed that Pi decreased endogenous APE1/Ref-1 expression and promoter activity in VSMCs, and that adenoviral overexpression of APE1/Ref-1 inhibited Pi-induced calcification in VSMCs and in an ex vivo organ culture of a rat aorta. However, a redox mutant of APE1/Ref-1(C65A/C93A) did not reduce Pi-induced calcification in VSMCs, suggesting APE1/Ref-1-mediated redox function against vascular calcification. Additionally, APE1/Ref-1 overexpression inhibited Pi-induced intracellular and mitochondrial reactive oxygen species production, and APE1/Ref-1 overexpression resulted in decreased Pi-induced lactate dehydrogenase activity, pro-apoptotic Bax levels, and increased anti-apoptotic Bcl-2 protein levels. Furthermore, APE1/Ref-1 inhibited Pi-induced osteoblastic differentiation associated with alkaline phosphatase activity and inhibited Pi-exposure-induced loss of the smooth muscle phenotype. Our findings provided valuable insights into the redox function of APE1/Ref-1 in preventing Pi-induced VSMC calcification by inhibiting oxidative stress and osteoblastic differentiation, resulting in prevention of altered osteoblastic phenotypes in VSMCs.</P>
Lee, Yu-Mi,Ha, Chae-Myeong,Kim, Se-A,Thoudam, Themis,Yoon, Young-Ran,Kim, Dae-Jung,Kim, Hyeon-Chang,Moon, Hyo-Bang,Park, Sungmi,Lee, In-Kyu,Lee, Duk-Hee American Diabetes Association 2017 Diabetes Vol.66 No.10
<P>Low-dose persistent organic pollutants (POPs), especially organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), have emerged as a new risk factor for type 2 diabetes. We evaluated whether chronic exposure to low-dose POPs affects insulin secretory function of beta-cells in humans and in vitro cells. Serum concentrations of OCPs and PCBs were measured in 200 adults without diabetes. Mathematical model-based insulin secretion indices were estimated by using a 2-h seven-sample oral glucose tolerance test. Insulin secretion by INS-1E beta-cells was measured after 48 h of treatment with three OCPs or one PCB mixture. Static second-phase insulin secretion significantly decreased with increasing serum concentrations of OCPs. Adjusted means were 63.2, 39.3, 44.1, 39.3, 39.7, and 22.3 across six categories of a summary measure of OCPs (P-trend = 0.02). Dynamic first-phase insulin secretion remarkably decreased with increasing concentrations of OCPs among only insulin-sensitive individuals (P-trend = 0.02); the insulin levels among individuals with high OCPs were approximate to 30% of those with low OCPs. Compared with OCPs, PCBs showed weaker associations. The decreased insulin secretion by INS-1E beta-cells was observed for even 1 pmol/L OCP. The data from human and in vitro cell experiments suggest that chronic exposure to low-dose POPs, especially OCPs, can induce pancreatic beta-cell dysfunction.</P>
Occurrence and genetic diversity of <i>Blastocystis</i> in Korean cattle
Lee, Haeseung,Lee, Seung-Hun,Seo, Min-Goo,Kim, Ha-Young,Kim, Jong Wan,Lee, Yu-Ran,Kim, Jong Ho,Kwon, Oh-Deog,Kwak, Dongmi Elsevier 2018 Veterinary parasitology Vol.258 No.-
<P><B>Abstract</B></P> <P> <I>Blastocystis</I> is one of the most commonly detected intestinal protozoan parasites worldwide and has been found in humans and other animals. Therefore, many countries have actively researched this parasite. However, to our knowledge, no study of <I>Blastocystis</I> has been conducted in Korea. Therefore, we conducted a study of the current status of <I>Blastocystis</I> infection in domestic cattle, the various genotypes involved, and its zoonotic potential through a phylogenetic comparison with subtypes found in other studies. The feces of cattle were randomly collected throughout Korea; basic information, including collection date, sex, and cattle type was recorded, and DNA extraction, PCR, and phylogenetic analyses were performed. A total of 1,512 fecal samples were tested. The 101 <I>Blastocystis</I>-positive samples were obtained, yielding an approximate infection rate of 6.7%. Differences in age, cattle type, fecal type, and season were statistically significant between <I>Blastocystis</I>-positive and -negative cattle. In this study, four subtypes of <I>Blastocystis</I> (ST1, ST5, ST10, and ST14) were confirmed by phylogenetic analysis. ST1 and ST5 are potential zoonotic subtypes, therefore the possibility of zoonotic transmission cannot be ignored. Further research and clarification of the infection and transmission patterns of <I>Blastocystis</I> are warranted.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Fecal samples from Korean domestic cattle were collected for <I>Blastocystis</I> testing. </LI> <LI> Cattle age, breed, fecal type, and season influenced infection rates. </LI> <LI> Phylogenetic analysis confirmed the presence of subtypes ST1, ST5, ST10, and ST14. </LI> <LI> Zoonotic subtypes were detected, suggesting the risk of zoonotic transmission. </LI> </UL> </P>
( Yu Ran Park ),( Yong-man Kim ),( Shin Wha Lee ),( Ha Young Lee ),( Gun Eui Lee ),( Jong-eun Lee ),( Young-tak Kim ) 대한산부인과학회 2018 Obstetrics & Gynecology Science Vol.61 No.3
Objective Circulating cell-free tumor DNA (cfDNA) is the DNA released by apoptotic and necrotic cells of the primary tumor into the blood during the period of tumor development. The cfDNA reflects the genetic and epigenetic alterations of the original tumor. TP53 mutations are a defining feature of high-grade serous ovarian carcinoma. We optimized the methods for detecting TP53 mutations in cfDNA from blood samples. We confirmed the correlation of TP53 mutation in primary ovarian cancer tissue and it in cfDNA using digital polymerase chain reaction (dPCR). Methods We found 12 frequent mutation sites in TP53 using The Cancer Genome Atlas and Catalogue of Somatic Mutations in Cancer data and manufactured 12 primers. The mutations in tissues were evaluated in fresh-frozen tissue (FFT) and formalin-fixed paraffin-embedded tissue (FFPET). We performed a prospective analysis of serial plasma samples collected from 4 patients before debulking surgery. We extracted cfDNA and calculated its concentration in blood. dPCR was used to analyze TP53 mutations in cfDNA, and we compared TP53 mutations in ovarian cancer tissue with those in cfDNA. Results Ten primers out of 12 detected the presence of TP53 mutations in FFT, FFPET, and cfDNA. In FFT and FFPET tissue, there were no significant differences. The average cfDNA concentration was 2.12±0.59 ng/mL. We also confirmed that mutations of cfDNA and those of FFT were all in R282W site. Conclusion This study developed detection methods for TP53 mutations in cfDNA in ovarian cancer patients using dPCR. The results demonstrated that there are the same TP53 mutations in both ovarian cancer tissue and cfDNA.
Lee, Yu Ran,Kim, Ki Mo,Jeon, Byeong Hwa,Choi, Sunga Lychnia 2014 International journal of oncology Vol.45 No.3
<P>Naematoloma sublateritium (Fr.) P. Karst is a basidiomycete that has been used as traditional medicine. N. sublateritium produces a triterpenoid antitumor compound, clavaric acid, but, in general, the effects of N. sublateritium constituents against tumor invasion and metastasis have been poorly studied. To investigate the inhibitory effect of N. sublateritium constituents on highly invasive and metastatic tumor cells, the TNF-alpha-stimulated human breast cancer cell line, MDA-MB-231 was treated with the hexane fraction of an N. sublateritium extract (HFNS). Non-cytotoxic concentrations of HFNS markedly inhibited the invasion and migration of the MDA-MB-231 cells in the Matrigel invasion assay and wound-healing analysis, respectively. Gelatin zymography showed that HFNS suppressed the activity of MMP-9, but not of MMP-2. Immunoblotting demonstrated that treatment with HFNS had decreased the level of MMP-9 and urokinase plasminogen activator-1 (uPA-1), but had upregulated expression of the endogenous inhibitor proteins, including TIMP-1,-2, and PAT-1, in a dose-dependent manner. Furthermore, HFNS suppressed the phosphorylation of p38 and JNK1/2, but not that of ERK1/2. This was confirmed by pretreatment of cells with specific inhibitors prior to stimulation with TNF-alpha. HFNS treatment also led to a dose-dependent inhibition of the DNA-binding activities of AP-1 and NF kappa B, which are downstream targets of JNK and p38. These data suggested that HFNS inhibits the metastatic potential of MDA-MB-231 cells by inhibiting the phosphorylation of JNK/p38 and reducing AP-1 and NF kappa B DNA-binding activities. Therefore, HFNS may be a potential therapeutic agent against metastasis of breast cancer.</P>