Cho, Jinhee;Kim, Sorina;Yang, Da Hee;Lee, Juyeon;Park, Kyeong Won;Go, Junyong;Hyun, Chang-Lim;Jee, Youngheun;Kang, Ki Soo
Journal of Korean Medical Science
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v.33
no.52
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pp.336.1-336.12
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2018
Background: We aimed to investigate mucosal immunity related to forkhead box P3 ($FOXP3^+$) regulatory T (Treg) cells, T helper 17 (Th17) cells and cytokines in pediatric inflammatory bowel disease (IBD). Methods: Mucosal tissues from terminal ileum and colon and serum samples were collected from twelve children with IBD and seven control children. Immunohistochemical staining was done using anti-human FOXP3 and anti-$ROR{\gamma}t$ antibodies. Serum levels of cytokines were analyzed using a multiplex assay covering interleukin $(IL)-1{\beta}$, IL-4, IL-6, IL-10, IL-17A/F, IL-21, IL-22, IL-23, IL-25, IL-31, IL-33, interferon $(IFN)-{\gamma}$, soluble CD40L, and tumor necrosis factor-${\alpha}$. Results: $FOXP3^+$ Treg cells in the lamina propria (LP) of terminal ileum of patients with Crohn's disease were significantly (P < 0.05) higher than those in the healthy controls. $ROR{\gamma}t^+$ T cells of terminal ileum tended to be higher in Crohn's disease than those in the control. In the multiplex assay, serum concentrations (pg/mL) of IL-4 ($9.6{\pm}1.5$ vs. $12.7{\pm}3.0$), IL-21 ($14.9{\pm}1.5$ vs. $26.4{\pm}9.1$), IL-33 ($14.3{\pm}0.9$ vs. $19.1{\pm}5.3$), and $IFN-{\gamma}$ ($15.2{\pm}5.9$ vs. $50.2{\pm}42.4$) were significantly lower in Crohn's disease than those in the control group. However, serum concentration of IL-6 ($119.1{\pm}79.6$ vs. $52.9{\pm}39.1$) was higher in Crohn's disease than that in the control. Serum concentrations of IL-17A ($64.2{\pm}17.2$ vs. $28.3{\pm}10.0$) and IL-22 ($37.5{\pm}8.8$ vs. $27.2{\pm}3.7$) were significantly higher in ulcerative colitis than those in Crohn's disease. Conclusion: Mucosal immunity analysis showed increased $FOXP3^+$ T reg cells in the LP with Crohn's disease while Th17 cell polarizing and signature cytokines were decreased in the serum samples of Crohn's disease but increased in ulcerative colitis.
Kim, Eun Sun;Kim, Jung Oh;An, Hui Jeong;Sakong, Jung Hyun;Lee, Hyun Ah;Kim, Ji Hyang;Ahn, Eun Hee;Kim, Young Ran;Lee, Woo Sik;Kim, Nam Keun
Clinical and Experimental Reproductive Medicine
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v.44
no.3
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pp.152-158
/
2017
Objective: To identify the associations between polymorphisms of the 3'-untranslated region (UTR) of methylenetetrahydrofolate reductase (MTHFR) gene, which codes for an important regulatory enzyme primarily involved in folate metabolism, and idiopathic recurrent pregnancy loss (RPL) in Korean women. Methods: The study population comprised 369 RPL patients and 228 controls. MTHFR 2572C > A, 4869C > G, 5488C > T, and 6685T > C 3'-UTR polymorphisms were genotyped by polymerase chain reaction-restriction fragment length polymorphism analysis or by TaqMan allelic discrimination assays. Natural killer cell proportions were determined by flow cytometry. Results: The MTHFR 2572-5488-6685 (A-C-T) haplotype had an adjusted odds ratio of 0.420 (95% confidence interval, 0.178-0.994; p= 0.048) for RPL. Analysis of variance revealed that MTHFR 4869C > G was associated with altered $CD56^+$ natural killer cell percentages (CC, $17.91%{\pm}8.04%$; CG, $12.67%{\pm}4.64%$; p= 0.024) and folate levels (CC, $12.01{\pm}7.18mg/mL$; CG, $22.15{\pm}26.25mg/mL$; p= 0.006). Conclusion: Variants in the 3'-UTR of MTHFR are potential biomarkers for RPL. However, these results should be validated in additional studies of ethnically diverse groups of patients.
Seo, Kyung-Won;Kim, Rae-Hyun;Koo, Jin-Woo;Noh, Nam-Jin;Kyung, Ji-Hyun;Kim, Jeong-Gyu;Son, Yo-Whan
Korean Journal of Environmental Agriculture
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v.25
no.1
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pp.47-57
/
2006
This study was carried out to select the Eco-tree for successful phytoremediation of abandoned metalliferous mines. We examined vegetation and heavy metal concentrations of woody plants in abandoned mining areas, and also conducted seed germination and seedling growth experiment on contaminated soils from Gahak and Geumjeong mines. Pinus densiflora, Robinia pseudoacacia, Lespedeza bicolor and Alnus japonica showed high frequency in the survey areas and had high heavy metal concentrations compared to other species. Heavy metal concentrations were higher in roots than in leaves and stems. The seed germination rate was in the order of P. densiflora, L. bicolor, R. pseudoacacia, and Alnus japonica from the incubactor and greenhouse experiment. In the incubator experiment germination rate was highest in the control soil for P. densiflora and A. japonica. Germination rate of P. densiflora was highest on the 100% contaminated soil for Gahak mine while germination rate decreased with increased percentage of contaminated soil for Geumjeong mine. In the greenhouse experiment germination rate was lowest on the 40% contaminated soil for Gahak mine while germination rate was lowest on the 20% contaminated soil for Geumjeong mine and increased with increased percentage of contaminated soil. Shoot growth was highest for L. bicolor while root growth was highest for R. pseudoacacia except for 20% contaminated soil in Geumjeong mine.
Kim, Young Sin;Kim, JeongA;Jeong, Yong Dae;Choi, Yo Han;Cho, Eun Seok;Chung, Hak Jae;Sa, Soo Jin;Beak, Sun Young;Hong, Joon Ki
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.7
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pp.255-261
/
2020
This study was undertaken to evaluate the growth, body shape and carcass cutting yield traits of Duroc (D) and crossbred (Duroc×Pietrain×Pietrain; DPP) pigs. A total of 147 D and 101 DPP pigs were used for analyzing the growth trait, whereas 16 D and 16 DPP pigs were evaluated for carcass yields. Backfat thickness (BF) and average daily feed intake (ADFI) were significantly higher in D (14.07±0.24 mm, 2,101 g) than in DPP (12.69±3.25 mm, 1,909 g) (p <0.001). Moreover, D exhibited significantly higher body shape traits including body height (BH), chest depth (CD) and chest width (CW), as compared to DPP pigs (p <0.001). No differences were observed for body length (BL) between the two strains. Analysis of the carcass cutting yield traits determined for D and DPP were in the order: ham (HM; 31.17% and 33.43%), belly (BY; 23.40% and 19.55%), and picnic shoulder (PS; 16.54% and 16.87%), respectively. Then, HM showed a difference of 2.26% P with D(31.17%) and DPP(33.43%), while BY showed a difference of 3.85% P with D(23.40%) and DPP(19.55%). Taken together, our results indicate that DPP has a better feed efficiency than D, and therefore has the potential to increase the production of low-fat pork, targeting consumers having a high preference who have opted for a healthy lifestyle. These results can be used as basic data for developing an ideal pig breed.
Park, Gyung Soo;Park, Soung Yun;Lee, Sam Geun;Lee, Yoon
Journal of Wetlands Research
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v.6
no.1
/
pp.133-147
/
2004
Environmental quality(water and sediment) was analyzed in the tidal flat of Saemangum of Jeonbuk Province, the west coast of Korea, using the 101 sediment samples and 69 water samples collected in September 4~13, 2001. Major water quality parameters with the means of 69 surface water samples are as follows; $25.51{\pm}0.68^{\circ}C$ for water temperature, $29.88{\pm}5.01$ for salinity, $1.40{\pm}0.78mg/L$ for COD, $0.352{\pm}0.417mg/L$ for DIN, and $0.027{\pm}0.023mg/L$ for phosphate, respectively. Higher values were found at the subestuary of Dongjin and Mangyung River, and lower values at the Saemangum embayment and Gomso Bay. There was a significant negative correlation between salinity and the other water quality parameters(p<0.0001) such as COD, nutrients, SS and N/P. This correlation suggested that the major pollution sources be from terrestrial inputs through tributaries in this area. Principal component analysis clearly revealed a spatial variation of water quality; stations with higher values of nutrients and COD located subestuary of tributaries. 14 sediment quality parameters including 8 trace metals were measured using the 101 surface sediment samples. Average values for the parameters are as follows; Al $2.28{\pm}0.92%$, Cd $0.61{\pm}0.27ppm$, Cu $8.95{\pm}4.06ppm$, Fe $1.19{\pm}0.37%$, Mn $182.31{\pm}77.45ppm$, Ni $10.83{\pm}4.97ppm$, Pb $15.20{\pm}4.35ppm$, Zn $41.34{\pm}34.62ppm$, COD $2.68{\pm}1.85mg/g\;dry$, AVS $0.04{\pm}0.08mg/g\;dry$, IL $1.29{\pm}1.08%$, water content $24.11{\pm}4.49%$, TN $0.02{\pm}0.02%$, TC $0.22{\pm}0.30%$. Spatial variations of sediment quality were not clear as water quality. Some higher values were found at the subestuary of Gum River and lower values at the other area. There was a significant positive correlation between the heavy metal concentrations and organic materials within the sediment(p<0.05). Enrichment factors showed the ranges of 1~2 for most of the metals in the sediment except zinc(1~6), indicating no serious exogenous input of heavy metals in the study area. Also, the heavy metal concentrations in the sediment were within the ranges found at the natural marine environments.
One hundred forty-four patients underwent operation for coarctation of the aorta at Seoul National University Children's Hospital between June 1986 and Decembsr 1995. Age ranged 0.1 to 191 months. Of these 78.5%(113) were infants. We classified the patients in terms of the anatomic location of coarctatiln and the associatCd anomalies(I[401= primary coarctation, 11(741=isthmic hypoplasia, lIIf30)=tubular hypoplasia involving transverse arch, Ar63 =with ventricular septal defect, B(28)=with other major cardiac defects). Subcalvian flap coarctoplasty(60), resection & anastomosis(44), extended aortoplasty(26), and onlay patch(14) were used as surgical methods. Overall operative mortality was 16.0(23/144)%. The hospital mortality was signific'antly higher in patheints with type 111, subtype B, younger age(under 3 months), extended aortoplasty(p(0.01). However, one-stage total repair in patients with subtype A or B were not found to be a predictor of hospital death. Restenosis had occured in 18 patients among 121 survivals(14. 9%). The mean follow-up period was 29.1 $\pm$28.8(0~129.2) months. Preoperative, immediate postoperative(within 3 months after operation) and postoperative(later than 6 months after operation) echocardiographic data on the dimensions of ascending aorta(AA), transverse arch(TA), an4 aortic isthmus(Al) were available in 77 patients(I=20, ll=42, 111= 15). Preoperative and postoperative aortic isthmus(All) and tra sverse arch indices(TAI), defined as TAIAA & AIIAA respectively, were compared. Immediate postoperative All in type 1, II and TAI in type 111 were significantly smaller in stenotic than non-stenotic group suggesting incomplete relieves of stenotic segment Younger age, subclavian coarctoplasty in patient under 3 months of age were round to be the risk factors for restenosis in this series. In conclusion, We found that aortic arch index and transverse arch index can be a useful tool to figure out the anatomic and clinical characteristics of the patients with aortic coarctation, and that anatomy, associated anomalies, age, and surgical methods may influence the surgical outcome of the coarctation repair.
This research was performed to investigate chemical and microbiological hazards of Ready-to-eat(RTE) compound foods which uses the by-product of meat. For this experiment, 51 samples of RTE compound foods in by-product of meat distributed in Incheon from January to December 2006 were tested. The contents of heavy metals in the main ingredient of RTE compound foods were in the range of $0.073{\sim}0.112ppm$ for lead (Pb), $0.006{\sim}0.013ppm$ for cadmium (Cd) and $0.746{\sim}0.978ppb$ for mercury (Hg). The concentrations of residual ABS(alkyl benzene sulfate) in the small intestine which is a main ingredient of Gopchang-casserole were $$0.8ppm{\sim}57.6ppm$ (Ave. 10.3ppm). Staphylococcus aureus was isolated from 11 samples (21.6%) among 51 main ingredients of RTE compound foods. The isolation rates of Salmonella spp. and Clostridium perfringens were 2.0% (1/51) and 5.9% (2/51), respectively. By types of main ingredient, the small intestine was showed the highest isolation rate as 35.3% (12/34), ham and the sausage which are main ingredients of the Budae-pot stew were 25% (2/8) and other meat products were 20% (1/5). Food poisoning bacteria was not found in the blood of pig which is a main ingredient of the Sunji-pot stew. 28.4% (27/95) of sauce included in each RTE compound foods were coliform bacteria positive. Pesticide residues were found in four of 45 vegetables which are the additional ingredient of RTE compound foods. The concentrations of pesticide were chlorothalonil 2.8 ppm, EPN 10.3 ppm, chlorpyrifos 0.4ppm and indoxacarb 0.7ppm. In 33 bean sprout samples, captan and carbendazim were not detected.
This study was carried out to investigate the contents of ash and inorganicelements in the herbaceous paeony roots collected from the markets of 9 regions in Korea. The contents of paeoniflorin ranged from 2.14% to 3.7%, and the average was 2.87%. The mean contents of ash was 4.2% and acid insoluble ash content was 0.55%. Total nitrogen of herbaceous paeony roots was 0.7%, phosphorus 0.69%, potassium 0.73%, calcium monoxide 1.02% and ferric oxide 82.15ppm respectively. The content of zinc ranged from 19.80ppm to 103.02ppm and the average was 34.59ppm ; this value showed some differences than other elements were, and the mean content of magnesium was 0.25%. The cadmium content showed 0.31ppm copper 4.95ppm, and plumbum 20.47ppm respectively. As above results, we could say that there was no health problems with local products, if we use a the herb medicine.
Lee, Doo Hwan;Song, Jong Nam;Park, Sin eui;Choi, Nam Gil;Han, Jae Bok;Kim, In Soo
Journal of the Korean Society of Radiology
/
v.13
no.3
/
pp.381-389
/
2019
Although the development of Drug-eluting stent (DES) improved the ISR significantly more than the Bare metal stent (BMS), the coronary stent restenosis (ISR) treatment still has a high recurrence rate. This study is compared the efficacy of DEB with that of DES implantation in patients with ISR. Among 4,316 patients who underwent coronary stent implantation at the Chonnam National University Hospital between November 2012 and December 2016, 187 patients developed ISR on follow-up coronary angiography ($66.3{\pm}11.0years$, 123 males) were enrolled and divided into two groups according to revascularization method as group I (DEB group; n=127) and group II (DES group; n=60). Primary end point was defined as major adverse cardiac events (MACEs), composite of cardiac death (CD), myocardial infaction (MI), target lesion revascularization (TLR) and stent thrombosis (ST) during two-year follow-up between the two groups. There were no differences in the baseline characteristics and angiographic findings except that prevalence of device length was shorter ($21.1{\pm}5.3$ vs. $25.3{\pm}9.6 mm$, p<0.002) in group I.Two-year MACE were not different in the two groups (8.7%vs.10.0%, p=0.789). The incidences of cardiac death (0%vs.0%, p=1.000), MI (1.6%vs.6.7%, p=0.085), TLR(8.7% vs. 10.0%, p=0.789) and ST (0% vs. 0%, p=1000). DEB demonstrated comparable risk reduction for MACEs compared with DES in patients with ISR during two-year follow-up. DEB might be good alternative for the treatment of ISR in patients with ISR.
LEE Eung-Ho;CHA Yong-Jun;OH Kwang-Soo;Koo Jae-Keun
Korean Journal of Fisheries and Aquatic Sciences
/
v.18
no.3
/
pp.195-205
/
1985
As a part of investigation to use the Anatrctic krill, Euphausia superba, more effectively as a food source, processing conditions, utilizations and storage stability of krill paste (intermediate product of krill) were examined and also chemical compositions of krill paste were analyzed. Frozen raw krill was chopped, agitated with $25\%$ of water to the minced krill and then centrifuged to separate the liquid fraction from the residue. This liquid fraction was heated at $98^{\circ}C$ for 20 min. to coagulate the proteins of krill, and it was filtered to separate the protein fraction. Krill paste was prepared with grinding the protein fraction, adding $0.2\%$ of polyphosphate and $0.3\%$ of sodium erythorbate to the krill paste for enhancing of functional properties and quality stability. The krill paste was packed in a carton box, and then stored at $-30^{\circ}C$. Chemical compositions of krill paste were as follows : moisture $78\%$, crude protein $12.9\%$, crude lipid $5.9\%$, and the contents of hazardous elements of krill paste as Hg 0.001 ppm, Cd 1.15 ppm, Zn 9.1 ppm, Pb 0.63 ppm and Cu 11.38ppm were safe for food. The amino acid compositions of krill paste showed relatively high amount of taurine, glutamic acid, aspartic acid, leucine, lysine and arginine, which occupied $55\%$ of total amino acid and also taurine, lysine, glycine, arginine and proline were occupied $65\%$ of total free amino acid. Fatty acid compositions of krill paste consist of $32.4\%$ of saturated fatty acid, $29.6\%$ of monoenoic acid and $38.0\%$ of polyenoic acid, and major fatty acids of product were eicosapentaenoic acid ($17.8\%$), oleic acid ($16.9\%$), palmitic acid ($15.3\%$), myristic acid ($8.7\%$) and docosahexaenoic acid ($8.4\%$). In case of procssing of fish sausage as one of experiment for krill paste use, Alaska pollack fish meat paste could be substituted with the krill paste up to $30\%$ without any significant defect in taste and texture of fish sausage, and the color of fish sausage could be maintained by the color of krill paste. Judging from the results of chemical and microbial experiments during frozen storage, the quality of krill paste could be preserved in good condition for 100 days at $-39^{\circ}C$.
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