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Clinicopathological role of kidney injury molecule-1 in immunoglobulin A nephropathy
( Yu Ho Lee ),( Yang-gyun Kim ),( Sang-ho Lee ),( Ju-young Moon ),( Kyung-hwan Jeong ),( Tae-won Lee ),( Chun-gyoo Ihm ) 대한신장학회 2014 Kidney Research and Clinical Practice Vol.33 No.3
Background: Urinary kidney injury molecule-1 (KIM-1) is an early and sensitivebiomarker of acute kidney injury, but it is unclear if it is a biomarker of chronicglomerulonephritis. We evaluated whether urinary KIM-1 levels in patients withimmunoglobulin A (IgA) nephropathy can be a marker to reflect clinicopathologicalseverity and predict the prognosis. Methods: We measured urinary KIM-1 levels in 40 patients (15 males; mean age36.6712.9 years) with IgA nephropathy and 10 healthy people (5 males; mean age37.379.6 years) as controls. The correlation of urinary KIM-1 levels with patients’clinical parameters, histological grades, and follow-up data were analyzed using themodified H. S. Lee grading system and tubulointerstitial change scores. Results: Urinary KIM-1 levels were higher in patients with IgA nephropathy thanhealthy controls (P¼0.001). Univariate and multivariate regression analyses showedthat urinary KIM-1 levels had a direct correlation with H. S. Lee grade andtubulointerstitial inflammation (P¼0.004 and P¼0.011, respectively). Conclusion: In patients with IgA nephropathy, urinary KIM-1 has a significantcorrelation with histopathologic severity.
Breeding of Tetraploid in Platycodon grandiflorum (Jacq.)A. DC. by Colchicine treatment
Kim,Ik-Hwan,Kim,Hag-Hyun,Hong,Eui-Yon,Yun,Jong-Sun,Yun,Tae,Hwang,Ju-Kwang,Lee,Cheol-Hee 한국자원식물학회 2003 Plant Resources Vol.6 No.3
Present studies were carried out to produce tetraploid plants by colchicine treatment using seeds, seedlings and shoot tips of Platycodon grandiflorum in Campanulaceae. The most successful colchicine treatment for tetraploid production in P. grandiflorum was soaking treatment using 0.01 and 0.5% colchicine solution for 1 hour and 12 hours, respectively. Morphological characteristics of both diploid and tetraploid were similar, but tetraploid plants had more leaves. Compared to diploid, tetraploid had the larger stomata, but less number of stomata. Fresh weight of tetraploids was 20∼40% heavier than that of diploid.
Breeding of Tetraploid in Codonopsis lanceolata (Sieb. et Zucc.) Trautvetter by Colchicine Treatment
Kim,Ik-Hwan,Kim,Hag-Hyun,Hong,Eui-Yon,Yun,Jong-Sun,Yun,Tae,Hwang,Ju-Kwang,Lee,Cheol-Hee 한국자원식물학회 2003 Plant Resources Vol.6 No.3
Present studies were carried out to produce tetraploid plants by colchicine treatment using seeds, seedlings and shoot tips of Codonopsis lanceolata. Three tetraploid plants of C. lanceolata were produced from seeds which absorbed 0.1 % colchicine solution for 12 hours, and 0.5% colchicine solution for 1 and 6 hours from seedlings, respectively. But tetraploid was not produced from shoot tips treated by colchicine solution. Compared to diploid, tetraploid plants had larger stomata, but less number of stomata. Fresh weight of tetraploid plants was 1.4∼3.6 times heavier than diploid plants.
김광일,김동호,우상민,이석주,김홍성,조인성,윤환중,조덕연,김삼용 충남대학교 의과대학 지역사회의학연구소 1997 충남의대잡지 Vol.24 No.1
Spontaneous retroperitoneal hemorrhage due to hemophilia A with impaired coagulopathy is very rare. Spontaneous retroperitoneal hemorrhage has been recorded as having originated from many retroperitoneal organs and blood vessels, and it may be due to local and/or systemic factors. In the majority of the patients, kidney and adrenal gland were the major site of hemorrhage. The systemic causes of spontaneous retroperitoneal hemorrhage are anticoagulation therapy and chronic hemodialysis. During the course of these treatments, hemorrhagic complications may occur at many site, including the retroperitoneal space. Blood dyscrasias including leukemia, polycythemia, sickle cell trait and hemophilia have been reported associated with spontaneous retroperitoneal hemorrhage. We report a case of spontaneous retroperitoneal hemorrhage occurred in a gemophilia A patient with brief review of literature
김주환,장무성,김상부 國立 昌原大學校 產業技術硏究院 2004 産技硏論文集 Vol.18 No.-
Since 1996, many Korean companies such as Samsung, LG, Hyundai Motor Company, have adopted Six Sigma in order to get a competitive edge in the global marketplace. There are, however, many problems to be solved for successfully implementing Six Sigma in an organization. As is known, one of the key principles of Six Sigma is a data-based management or a decision making based on data. Therefore, Six Sigma requires more measurement than ever, which makes measurement system analysis more important. Usually, a gage R&R study is performed to identify the measurement system's variation relative to process variation. In the study, a gage R&R study is considered for the case where measuring a major quality characteristic accompanies a destructive testing. We suggest a gage R&R study using a screening variable that is highly correlated with the major quality characteristic and also can be measured by a nondestructive testing method. It is assumed that the major quality characteristic and a screening variable have a bivariate normal distribution. A simulation study on the proposed method is performed and we compare it with the conventional gage R&R study for a destructive testing.
當歸의 種類에 따른 四物湯이 白鼠의 胸部大動脈 血管弛緩에 미치는 影響
김형환,이주호,이제현,안덕균,박성규 대한본초학회 2001 大韓本草學會誌 Vol.16 No.2
We have examined the relaxational reponse to the water extract of Angelica gigas Nakai (AG), A. sinensis(Oliv.) Diels (AS), A. acutiloba Kitagawa (AA), and Four-Substance Decoctions (AG-FSD, AS-FSD, AA-FSD) in isolated thoracic aorta from sprague dawley(SD) rat in the presence and absence of endothelium. Rat thoracic aorta was investigated in vessel segments suspended for isometric tension recording by polygraph. Responses to AG, AS, AA and AG-FSD, AS-FSD, AA-FSD were investigated in vessels precontracted with 5-hydroxytryptamine(5-HT) were compared in vasodilation effect. We found that the thoracic aorta segments responded to AG, AS, AA and AG-FSD, AS-FSD, AA-FSD with a dose-dependent vasodilation. The 5-hydroxytryptamine induced contraction at 10-4M were inhibited by 26.3%, 2.7%, 2.1% and 24.6%, 1.1%, 3.2% after addition of the 0.1 g/㎖ water extract of AG, AS, AA and AG-FSD, AS-FSD, AA-FSD. The 5-hydroxytrptamine induced contraction at 10^-4M with and without endothelium were inhibited by 24.6% and 6.9% after addition of the 0.1 g/㎖ water extract of AG-FSD. In conclusion, AG, AS, AA and AG-FSD, AS-FSD, AA-FSD-induced relaxation in the isolated rat thoracic aorta were composed of dose-dependent relaxation. AG-FSD has very potent vasodilation.
김상진,오주환 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(C)
In this paper, effective test generation language is suggested and it is applied to boundary-scan architecture boards test. Suggested test vector can generate boundary-scan signals which need for board test. A system can be consist of these boards and each board can parallel in board test. It bring large mount of adventage for speed and space.
김은영,정흥호,정호승,조환익,황주찬,최상원 한국환경과학회 2004 한국환경과학회지 Vol.13 No.9
Physicochemical characteristics of Kwangyang Bay, have been investigated on the effects of inputting rivers just after rainy season in summer 2003. The results ranged from 4.96~8.01 mg/L for DO, 1.16~3.09 mg/L for COD, 7.21~67.71 μM for DIN and 0.12~121.84 μM for phosphate. The COD of Yeosu Area was 1.19~3.09 mg/L, Kwangyang Area was 1.23 ~ 2.76 mg/L. The COD of Wallae cheon in Yeosu Area was 3.09 mg/L and Donghoan in Kwangyang Area was 2.76 mg/L. The reason of high COD might be industrial sewage of organic chemical plants and iron foundry. DIN of Yeosu Area and Kwangyang Area were 7.21--63.43 μM and 8.43 67.71 μM respectively. The average phosphate of Yeosu Area was 23.65 μM. The source of phosphate might be industrial sewages of fertilizer plant and phosphate gypsum stocked with high amounts. The metal concentrations were measured in the range of 1.01~175.10 ㎍/L for Cu, 0.13~1.78 ㎍/L for Cd, 1.13~5.21 ㎍/L for Pb, 1.58~13.57 ㎍/L for Cr and 1.07~20.68 ㎍/L for As. The average Cu concentration was 78.99 ㎍/L in Kwangyang Area. The source of Cu might be industrial sewage of iron foundry. The average Cr concentration of Yeosu Area was 9.07 ㎍/L. That is 2 times higher than Kwangyang Bay 5.74 gg/L, because of sewage of chemical plants.