Development of a noninvasive KIM-1-based live-imaging technique in the context of a drug-induced kidney-injury mouse model

Tae-Jun Kwon,Da-Sol Lee,Md. Enamul Haque,Rang-Woon Park,Byungheon Lee,Dongkyu Kim,Yong-Hyun Jeon,Kil-Soo Kim,Sang Kyoon Kim 한국실험동물학회 2021 한국실험동물학회 학술발표대회 논문집 Vol.2021 No.7

The development of reliable methods to diagnose acute kidney injury is essential to allow the adoption of early therapeutic interventions and evaluate their effectiveness. Based on the fact that kidney injury molecule-1 (KIM-1) expression levels in kidneys are markedly upregulated early after a damage event, here we developed a noninvasive KIM- 1-based molecular imaging technique to detect kidney injury. First, we took advantage of a phage-display platform to select small peptides demonstrating a specific high binding affinity to KIM-1. The promising candidate was conjugated with fluorescent probes, and its imaging potential was validated in vitro and in vivo. This peptide, with the sequence CNRRRA, not only showed a high imaging potential in vitro, allowing a strong detection of KIM-1 expressing cells by microscopy and flow cytometry but also generated a strong kidney-specific signal in live-imaging in vivo experiments in the context of a drug-induced kidney-injury mouse model. Our data overall suggest that the CNRRRA peptide is a promising probe to use in the context of in vivo imaging for the detection of KIM-1 overexpression in damaged kidneys.

Identification of a novel peptide that selectively binds to Kidney Injury Molecule-1 (KIM-1) by phage displayed peptide library

Tae-Jun Kwon,Joon-Suk Park,Sang-Hyun Kim,Enamul Haque,Byung-Heon Lee,Sang Eun Kim,Choong-Yong Kim,Sang Kyoon Kim 한국실험동물학회 2016 한국실험동물학회 학술발표대회 논문집 Vol.2016 No.2

Application of Artificial Insemination Technology for Dairy Breeding in Mongolia

Hyun‐Tae Jo,Jong‐In Jin,Seong‐Su Kim,Byung‐Hyun Choi,Tumor Baldan,Jung‐Gyu Lee,Yun‐Shik Kim,Sam‐Churl Kim,Il‐Keun Kong 한국동물생명공학회(구 한국동물번식학회) 2011 발생공학 국제심포지엄 및 학술대회 Vol.2011 No.1

This study was focused on improvement of milk production in Mongolia dairy industry by artificial insemination (AI) technology, of which was supported from ODA project of KOICA in Republic of Korea. The study was started from January 2009 to present and 3rd years in this year. So, all data, especially synchronization and pregnancy of dairy cows (Holstein) will be summarized in final result in this year. For synchronization, total 81 dairy cows selected from 4 private farms that were 38, 30, 8 and 5 in Undarmal milk, Onjin (Enkhbayer), Jargalant, and BRM School, respectively. All the dairy cows were injected intramuscular (IM) of 5 ml PGF2α in the vulva and detected estrus 2 to 3 days after PGF2α injection. Total 78 out of 81 dairy cows (96.3%) were detected estrus by only 1 time injection of PGF2α. The dairy cows that were induced estrus, inseminated with 0.5 ml dairy frozen semen by conventional AI techniques. The pregnancy diagnosis of the AI dairy cows was detected by uterus palpation after 60 days of insemination. Total 75 from 78 inseminated dairy cows (90.1%) were diagnosis pregnant. The estrus induction and pregnant rate were very effective using PGF2α injection and conventional AI techniques in Mongolia dairy cow. The results indicated that AI after estrus induction in Mongolia dairy cows could be applied to dairy breeding technology to improve the breeding efficiency and milk production.

Clinical Outcome of Modified Cervical Lateral Mass Screw Fixation Technique

Kim, Seong-Hwan,Seo, Won-Deog,Kim, Ki-Hong,Yeo, Hyung-Tae,Choi, Gi-Hwan,Kim, Dae-Hyun The Korean Neurosurgical Society 2012 Journal of Korean neurosurgical society Vol.52 No.2

Objective : The purpose of this study was 1) to analyze clinically-executed cervical lateral mass screw fixation by the Kim's technique as suggested in the previous morphometric and cadaveric study and 2) to examine various complications and bicortical purchase that are important for b-one fusion. Methods : A retrospective study was done on the charts, operative records, radiographs, and clinical follow up of thirty-nine patients. One hundred and seventy-eight lateral mass screws were analyzed. The spinal nerve injury, violation of the facet joint, vertebral artery injury, and the bicortical purchases were examined at each lateral mass. Results : All thirty-nine patients received instrumentations with poly axial screws and rod systems, in which one hundred and seventy-eight screws in total. No vertebral artery injury or nerve root injury were observed. Sixteen facet joint violations were observed (9.0%). Bicortical purchases were achieved on one hundred and fifty-six (87.6%). Bone fusion was achieved in all patients. Conclusion : The advantages of the Kim's technique are that it is performed by using given anatomical structures and that the complication rate is as low as those of other known techniques. The Kim's technique can be performed easily and safely without fluoroscopic assistance for the treatment of many cervical diseases.

일본 '백화파'에 대한 한일 비교문학적 연구 : 이광수와 김동인을 중심으로 Mainly Lee Kwang-Soo and Kim Dong-In

김종태,강현구 한국현대문예비평학회 2003 한국문예비평연구 Vol.- No.13

After this treatise grasped the point that a character of the Baekhwa school was idealism, egoism, illuminism, and art for art’s sake, it investigated what appearances that these thoughts had reflected on the Korean modern literature to make Lee Kwang-Soo and Kim Dong-In two pivot objects of study. They, Lee Kwang-Soo and Kim Dong-In met with works and thoughts of the Baekhwa school writers to go to Japan about the time when they played an important role in the Japanese literary world. But they who had quite different characters and thoughts accepted the Baekhwa school through a different logical connection with each other. When He, Lee Kwang-Soo had met with works, he formed an enlightenment consciousness of idealism, and Kim Dong-In egoism and art for art’s sake. The Baekhwa school is the representative writers in the Japanese idealism. They are an important writers from the viewpoint of on the comparative literature of Korea & Japan novel because the Baekhwa school had an effect on two writers who formed the basis of the Korean modern novel. We find out that the Baekhwa school had an enormous effect on the Korean literature if we will consider a relative importance Lee Kwang-Soo and Kim Dong-In have come into possession of the history of Korean novel.

비수리(Lespedeza cuneata G. Don) 메탄올 추출물로부터 분획된 용매분획물의 항산화활성과 α-Glucosidase 저해활성

김현영(Hyun Young Kim),고지연(Jee Yeon Ko),송석보(Seuk Bo Song),김정인(Jung In Kim),서혜인(Hye In Seo),이재생(Jae Saeng Lee),곽도연(Do Yeon Kwak),정태욱(Tae Wook Jung),김기영(Ki Young Kim),오인석(In Seok Oh),정헌상(Heon Sang Jeong),우 한국식품영양과학회 2012 한국식품영양과학회지 Vol.41 No.11

비수리의 식품학적 이용가능성을 확인해 보고자 항산화성분 및 항산화활성, superoxide dismutase 유사활성, α-glucosidase 저해활성 등에 대해 검토하였다. 비수리 메탄올 추출물과 hexane, chloroform, ethyl acetate, butanol 및 물 분획 등 순차적 용매분획물의 총 폴리페놀 함량은 각각 12.44, 3.61, 6.39, 27.11, 20.00 및 9.32 ㎎ GAE/g extract residue(ER)로 나타났으며, 총 플라보노이드 함량은 각각 2.94, 9.92, 7.77, 9.27, 5.11 및 2.66 ㎎ CE/g ER, 총 탄닌 함량은 각각 8.75, 10.04, 7.42, 17.32, 11.65 및 7.61 ㎎ TAE/g ER, 총 프로안토시아니딘의 함량은 346.09, 63.50, 103.76, 288.62, 231.99 및 358.48 ㎍ CE/g ER로 나타났다. 비수리 메탄올 추출물과 hexane, chloroform, ethyl acetate, butanol 및 물 분획물의 DPPH radical 소거활성은 각각 20.62, 5.16, 9.29, 20.80, 20.00 및 20.79 ㎎ TE/g ER, ABTS radical 소거활성은 각각 33.86, 9.24, 17.36, 33.76, 33.49 및 33.86 ㎎ TE/g ER로 나타났다. SOD 유사활성은 각각 4.12, 0.61, 2.01, 9.89, 13.47 및 11.82 unit/mL의 활성을 보여 butanol 분획과 물 분획에서 유의적으로 높은 활성을 나타내었고 α-glucosidase 저해활성은 물 분획 50 및 25 ㎍/mL에서 각각 93.85 및 61.64%로 높은 저해활성을 보이는 것으로 나타났다. 이상의 결과에서 비수리 추출물은 항산화성분 및 항산화활성, SOD 유사활성, α-glucosidase 저해활성을 가지는 물질을 함유한 것으로 보이며, 체내 및 식품에서 활성산소 종 제거에 도움을 줄 수 있을 것으로 보인다. The purpose of this study was to evaluate the antioxidant contents and antioxidant activities of solvent fractions from methanolic extract of sericea lespedeza. To determine the antioxidant compounds in solvent fractions from methanolic extract, total polyphenolic, flavonoid, tannin, and proanthocyanidin contents were measured by spectrophotometric methods. Solvent fractions were evaluated for antioxidative capacity according to DPPH and ABTS radical scavenging activities. Total polyphenolic contents were 12.44, 3.61, 6.39, 27.11, 20.00, and 9.32 ㎎ gallic acid equivalent (GAE)/g extract residue (ER), respectively. Total flavonoid contents were 2.94, 9.92, 7.77, 9.27, 5.11, and 2.66 ㎎ catechin equivalent (CE)/g ER, respectively. Total tannin contents were 8.75, 10.04, 7.42, 17.32, 11.65, and 7.61 ㎎ tannic acid equivalent (TAE)/g ER, respectively. Total proanthocyanidin contents were 346.09, 63.50, 103.76, 288.62, 231.99, and 358.48 ㎍ CE/g ER, respectively. DPPH radical scavenging activities of solvent fractions from methanolic extract of sericea lespedeza were 20.62, 5.16, 9.29, 20.80, 20.00 and 20.79 ㎎ Trolox equivalent (TE)/g ER, and ABTS radical scavenging activities were 33.86, 9.24, 17.36, 33.76, 33.49, and 33.86 ㎎ TE/g ER, respectively. SOD-like activities were 4.12, 0.61, 2.01, 9.89, 13.47, and 11.82 units/mL, and α-glucosidase inhibition activities were 93.85 and 61.64% at concentrations of 50 and 25 ㎍/mL in the water fraction, respectively. The results of this study show that notable antioxidant activities in sericea lespedeza have significant health benefits.

맨드라미(Celosia cristata L.) 꽃 메탄올 추출물로부터 용매분획된 분획물의 항산화활성

김현영(Hyun Young Kim),고지연(Jee Yeon Ko),송석보(Seuk Bo Song),김정인(Jung In Kim),서혜인(Hye In Seo),이재생(Jae Saeng Lee),곽도연(Do Yeon Kwak),정태욱(Tae Wook Jung),김기영(Ki Young Kim),오인석(In Seok Oh),정헌상(Heon Sang Jeong),우 한국식품영양과학회 2012 한국식품영양과학회지 Vol.41 No.11

맨드라미꽃의 식품학적 이용가능성을 확인해 보고자 항산화성분 및 항산화활성에 대해 검토하였다. 맨드라미꽃의 항산화성분과 활성은 메탄올 추출물과 순차적 용매분획물에 대해 측정하였으며, 메탄올 추출물과 hexane, chloroform, ethyl acetate, butanol 및 물 분획물의 추출수율은 각각 23.33, 10.27, 20.00, 13.63, 17.55 및 38.54%였다. 맨드라미 꽃 메탄올 추출물의 총 polyphenol, flavonoid 및 tannin 함량은 각각 6.80 ㎎ GAE/g ME, 2.34 ㎎ CE/g ME 및 6.23 ㎎ TAE/g ME였다. 순차적 용매분획물 중 butanol 분획에서 각각 14.92 ㎎ GAE/g SF, 5.44 ㎎ CE/g SF 및 13.38 ㎎ TAE/g SF로 함량이 높았다. 총 proanthocyanidin 함량은 44.72 ㎍ CE/g ME였고 순차적 용매분획물은 각각 42.47, 44.43, 50.03, 49.12 및 41.80 ㎍ CE/g ER로 용매간 유의적인 차이를 보이지 않았다. 맨드라미꽃의 메탄올 추출물의 DPPH 및 ABTS radical 소거활성은 각각 5.24 및 10.70 ㎎ TE/g ME였고 butanol 분획에서 각각 12.53 및 21.09 ㎎ TE/g SF로 활성이 높았다. 메탄올 추출물의 SOD 유사활성은 7.96 unit/mL로 나타났고 hexane, chloroform, ethyl acetate, butanol 및 물 분획물은 각각 4.56, 6.15, 8.07, 12.36 및 5.21 unit/mL로 butanol 분획의 활성이 높았다. 맨드라미꽃 추출물의 항산화성분과 항산화활성 간에 높은 정의 상관관계를 보였고 맨드라미꽃 추출물이 체내 및 식품에서 유익한 도움을 줄 수 있을 것으로 생각된다. The purpose of this study was to evaluate the antioxidant contents and activities of solvent fractions from methanolic extracts of cockscome flowers. The yield of methanolic extracts from cockscome flowers was 23.33%, whereas those of its solvent fractions (hexane, chloroform, ethyl acetate, butanol, and water) were 10.27, 20.00, 13.63, 17.55, and 38.54%, respectively. Total polyphenolic, flavonoid, tannin, and proanthocyanidin contents of methanolic extracts (ME) were 6.80 ㎎ gallic acid equivalent (GAE)/g ME, 2.34 ㎎ catechin equivalent (CE)/g ME, 6.23 ㎎ tannic acid equivalent (TAE)/g ME, and 44.72 ㎍ CE/g ME, respectively. The highest total polyphenolic, flavonoid, and tannin contents of solvent fractions were 14.92 ㎎ GAE/g solvent fraction (SF), 5.44 ㎎ CE/g SF, and 13.38 ㎎ TAE/g SF in the butanol fraction, respectively. The total proanthocyanidin contents were 42.47, 44.43, 50.03, 49.12, and 41.80 ㎍ CE/g SF, respectively. The DPPH and ABTS radical scavenging activities from cockscome flowers were 5.24 and 10.70 ㎎ Trolox equivalent (TE)/g ME, respectively. The highest DPPH and ABTS radical scavenging activities of the solvent fractions were 12.53 and 21.09 ㎎ TE/g SF in the butanol fraction, respectively. SOD-like activities of methanolic extracts from cockscome flowers were 7.96 units/mL, whereas those of its solvent fractions were 4.56, 6.15, 8.07, 12.36, and 5.21 units/mL, respectively. The results of this study show that notable antioxidant activities in cockscome flowers have significant health benefits.

쇄석분진을 이용한 발포 건축재의 제조

김태훈,김기현,김현태 영남대학교 공업기술연구소 2000 工業技術硏究所論文集 Vol.28 No.1

A rock dust as industrial waste during rock crushing was recycled to make a porous ceramics. Raw materials were mixed as a portion of rock dust(70vo1%), saw dust(30vo1%), bloating agents(10wt% of rock dust). The plate and tube shaped specimens were formed under the pressure of 1ton/㎠. The specimens were bloated at 1150℃ for 1 hour in the atmospheric ambient. The bloated porous ceramics have the characteristics-bulk density 0.6∼0.8g/㎤, compressive strength 77∼200kg/㎠ and thermal conductivity 0.58W/mK. Above the characteristics show that the bloated porous ceramics can be used in the field of refractory materials and light-weight constructional materials.

유제놀에 의한 즉시형 알레르기 반응의 억제

김상현,신태용,김형룡,이영미,이은희,신보경,김윤철,안년형,김형민 우석대학교 의약품개발연구소 1996 藥學硏究誌 Vol.1 No.-

The current study evaluates the capacity of eugenol to regulate immediate allergic reaction by control of histamine release. Administrations of eugenol (1 M/kg. i.p.) at 60 min before and 5.10 min after the compound 48/80 treatment (8 mg/kg.i.p.) were shown the mortality rates as 0.44.4. and 77.8%. respectively. A 60 min before administered group revealed a singificant inhibition of serum his-tamine release compared with those of 5 and 10 min after the compound 48/80 injection. Eugenol (6-48mM) was also showed a dose-dependent activity on the compound 48/80-induced histamine release from the highly purified population of Alcian Blue-positive peritoneal mast cells. These results indicate that in vitro treatment with exogenous eugenol inhibited the active response of mast cell populations and modulated its characteristics.

목재가 선적된 선창에서 발생한 산소결핍에 의한 질식사

김동훈,김기권,장태정,김정란,이구,김수근,임현술 大韓法醫學會 2001 대한법의학회지 Vol.25 No.1

Oxygen deficiency has been frequent in a clouted space. Wood consumes oxygen and discharges carbon dioxide Instead of photosynthesis in closed space without light, so do some microorganisms on the surface. We experienced a case that a healthy Insect-proofer fell down and died of asphyxia on stair-board at 7 m below the hatch of the cargo-hold shipping wood Analysis of gases in cargo-hold revealed O2; 12.3%, CO; 105 ppm, CH4; 2.7%, and H2S; 1.9% at 1 m below the hatch, and then O2; 6.1%, CO; 220 ppm, CH4; 2.9%, and H2S, 2.3 ppm at 2.5 m below the hatch. Autopsy findings were unremarkable. We justiced the cause of death asphyxia due to oxygen deficiency. As seen in this case, the serious oxygen deficiency was accounted for oxygen consumption by wood and microorganisms.