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Yong‑Min Kim,Ha‑Seung Seong,Jung‑Jae Lee,Da‑Hye Son,Jin‑Su Kim,Soo‑Jin Sa,Young‑Sin Kim,Tae‑Jeong Choi,Kyu‑Ho Cho,Joon‑Ki Hong,Jung‑Woo Choi,Eun‑Seok Cho 한국유전학회 2020 Genes & Genomics Vol.42 No.12
Background: Woori-Heukdon (KWH) is a Korean synthetic pig breed generated using Chookjin-Duroc (KCD), Chookjin-Chamdon (KCC), and their crossbreds. Currently, there is a severe lack of studies investigating the Korean breed populations including wild boars (KWB) throughout the genome. Objective: This study was performed to investigate the genetic characteristics of Korean pig populations at the genome-wide level. Methods: Using the SNP dataset derived from genotyped and downloaded datasets using the Illumina PorcineSNP60K BeadChip, we compared the genomes of 532 individuals derived from 23 pig breeds to assess the genetic diversity, inbreeding coefficient, genetic differentiation, and population structure. Results: KWB showed the lowest average expected heterozygosity (HE = 0.1904), while KWH showed the highest genetic diversity (HE = 0.02859) among Korean populations. We verified that the genetic composition of KWH, showing USD of 74.8% and KCC of 25.2% in ADMIXTURE analysis. In population structure analyses, KCC was consistently shown to be separated from other pig populations. In addition, we observed gene flow from Western pigs to a part of Chinese populations. Conclusion: This study showed that Korean native pigs, KCC have genetic differences in comparison with Chinese and Western pigs; despite some historical records and recent genetic studies, we could not find any clear evidence that KCC was significantly influenced by Chinese or Western breeds in this study. We also verified the theoretical genomic composition of KWH at the molecular level in structure analyses. To our knowledge, this is the first genomic study to investigate the genomic characteristics of KWH and KCC.
7두의 개에서 배설성 요로조영술을 통한 신장 기능 평가
최윤정,이기자,최형준,이용진,박성준,송근호,정성목,최호정,이영원 忠南大學校 獸醫科大學 動物醫科學硏究所 2005 動物醫科學硏究誌 Vol.13 No.-
Excretory urography is a type of contrast study used to verify and localize upper urinary tract disease. It is an inexpensive and easy way to visualize of anatomic and functional status of the kidney and has been used as a primary imaging modality for the evaluation of urinary tract abnormalities. We describe urological signs of 7 dogs who examined with excretory urography and ultrasonography. Six cases were referred to veterinary medical teaching hospital. Chungnam national university (VMTH, CNU) to evaluate renal function after the treatment for renal failure and one case was referred showing hematuria. In case 1, 2 and 4, blood test and urinalysis was normal and the results of excretory urography presented that renal function were normal range. In case 3, the results of urinalysis, ultrasonography, and excretory urography except blood test presented abnormal kidney and hydronephrosis was diagnosed. In case 5 and 6, blood test, urinalysis, ultrasonography and excretory urography indicated renal failure. In case 7, blood test, urinalysis and ultrasonography presented partially abnormal signs, however, the results of excretory urography was normal range.
Pomeranian에서 발생한 치주 질환에 의한 비염 1례
이기자,최윤정,최형준,이용진,최호정,이영원,정성목 忠南大學校 獸醫科大學 動物醫科學硏究所 2005 動物醫科學硏究誌 Vol.13 No.-
A 10-year-old spayed female dog with history of persistent nasal discharge and halitosis was presented. In oral examination, there were severe dental calculi and gingivitis. The radiographic imaging showed lesions of left nasal cavity and periodontal membrane. In computed tomographic imaging, there are increased density of left nasal cavity, loss of nasal concha and partial defect of nasal septum. Many inflammatory cells were observed in nasal cytology. The result of culture from nasal smear was negative. All these findings result in rhinitis by dental calculi and gingivitis. The dog got improved after scaling, tooth extraction, and medical treatment.
데빅병 치료에 사용한 Interferon β-1b의 부작용 1예
김정미,조은경,조정선,최용석,한영수,한정호,김두응,최진영 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-
A 63 year-old woman who had diagnosis of multiple sclerosis complaining left hemiparesis and fluctuating decreased visual acuity in her right eye and abnormal findings in pattern shift visual evoked potentials(PSVEPs) and on T2 weighted MR scanning. We treated her subcutaneously with 250μg interferon (3-lb(ITFß -lb) every other day. There were detected pancytopenia, skin rash, and abnormal liver function test seven days after the therapy. In spite of reducing the dose of interferon injection, abnormal laboratory findings were not returned to normal. Dose adjustment of interferon-I3 for body weight or race, may be helpful to reduce the side effects.
흔치않은 대상포진 치험 2예 : 비전형적 부위와 다른 부위로 재발한 예 Unusal Dermatome and Recurs Other Dermatome
김정미,조은경,조정선,최용석,한영수,한정호,김두응,최진영 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-
Herpes zoster is well known as an acute, self-limited disease of unilateral sensory dermatome caused by varicella-zoster virus and characterized by grouped vesicular skin eruption and pain over several dermatomes as well as single. This virus usually affects the thoracic dermatome and there are a few reports that this virus involves lower lumbar or sacral area, and recurrent cases. We experienced 2 cases that zoster virus involved L4 or S2 dermatome and left typical skin lesions, of which one was a recurrent case involving different dermatome at an interval of 8 years and the other was a rare case involving sacral dermatome.
최용원,오석규,이재훈,이상재,권경희,최은경,김남호,정진원 圓光大學校 醫科學硏究所 2002 圓光醫科學 Vol.17 No.1
저자들은 호흡곤란, 흉부불쾌감, 심계항진 등을 주소로 내원한 환자에서 경흉부 및 경식도 심초음파 검사상 주폐동맥에서 이완기에 전행하는 지속적인 혈류의 흐름을 관찰하고, 관상동맥 조영술을 통해 좌전하행지 중간부위와 우관상동맥 근위부에서 각각 기시하여 공통경로를 이루면서 주폐동맥으로 유입되는 양측성 관상동정맥루를 보이는 드문 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. A coronary arteriovenous fistula is infrequently encountered vascular communication between a coronary artery and a cardiac chamber, a great artery or the vena cava. It is the most common congenital anomaly that can affect coronary perfusion. Bilateral involvement of coronary fistula constitutes an uncommon subgroup of coronary arteriovenous fistulas. A 69 year-old female patient presented with chest discomfort, palpitation, and dyspnea. In the echocardiography, doppler color flow imaging visualized abnormal flow signals with mosaic appearance in the main pulmonary artery during diastolic phase. Coronary angiography revealed arteriovenous fistula arising from the left anterior descending artery and the right coronary artery. Both coronary arteriovenous fistulas drained into the main pulmonary artery. We report a case of bilateral coronary arteriovenous fistula that was confirmed by echocariography and coronary angiography.
glpD and glpE 유전자의 조절영역 결손변이주기가 전사조절에 미치는 영향
정희태,정수열,최용락 東亞大學校附設遺傳工學硏究所 1996 遺傳工學硏究 Vol.- No.3
glpD와 glpE는 같은 조절 영역 하에서 121 bp 간격을 두고 역방향으로 전사되어지며, 이들 유전자 상류영역에 존재하는 하나의 CRP binding site가 두 유전자의 전사 조절에 관여함을 이미 여러 연구를 통하여 확인되어졌다. 본 연구에서는 glpD와 glpE의 조절영역이 다양한 크기로 결손된 변이주를 작성하였다. 각 변이된 promoter의 발현조절 영향을 보고자 LacZ와의 융합 plasmid를 작성하였고, β-galactosidase 활성을 측정하여 cAMP에 의한 발현조절을 검토하였다. 발현조절 특성을 확인한 결과 CRP binding site 전까지 결손이 된 변이주는 wild와 비슷한 활성이지만 CRP bin-ding site가 없어진 변이주의 경우는 promoter 활성이 크게 감소했고 cAMP에 의한 발현조절은 나타내지 않았다. 한편 CRP의 공통배열을 삽입시키면 회복이 가능하였다. glpE의 조절영역도 glpD와 마찬가지로 다양하게 결손시킨 변이주를 작성하여 promoter 조절활성을 확인한 결과 CRP binding site가 없어진 변이주의 경우는 promoter 활성이 크게 감소하였으며, 결손된 CRP 결합영역을 삽입시키니 cAMP에 의한 전사촉진이 거의 회복되어졌다. The glpD gene encoding gly-3-p dehydrogenase is essential for the aerobic growth of E. coli on glycerol or gly-3-p. The glpE gene, the function of which is unknown, is transcribed divergently with respect to glpD gene. Expression of the adjacent but divergently transcribed glpD and glpE genes is positively regulated by the cAMP-CRP complex. In this study, for a precise investigation of the functional elements in the regulatory region for transcription activation by cAMP-CRP, deletion mutation have been introducted into the regulatory region. The effect of the deletion mutant on transcriptional regulation was tested in vivo by β-galctosidase activity. Deletion mutants in the regulatory region of glpD demonstrated that the presence of the CRP-binding site resulted in an sixfold increase in promoter activity. And also deletion mutants of glpE gene demonstrated that the presence of the CRP-binding site resulted in an eightfold increase in promoter activity. Insertion of 22 bp oligomer in the deletion mutants has shown that the CRP binding site is need for maximal expression of glpD and glpE genes.