http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Isolation of subgroup J avian leukosis virus in Korea
Haan-Woo Sung,Jae-Hong Kim,Sanjay Reddy,Aly Fadly 대한수의학회 2002 Journal of Veterinary Science Vol.3 No.2
Two subgroup J avian leukosis viurses (ALVs) wereisolated from broiler breeder flocks,in which myeloidleukosis had occurred.The isolates could be classifiedas subgroup JALV by the positive reaction in polymerasechain reaction (PCR) with primers specific for subgroupJ ALV. Two isolates replicated in chicken embryofibroblast (CEF) cells from the alv6 chicken line inwhich cells are resistant to subgroup A and E ALVs.In in vitro serum neutralization tests with othersubgroup ALVs including ADOL-Hc1,the prototype ofsubgroup J ALVs isolated in the United States ofAmerica, two isolates were partially neutralized byantibody to ADOL-Hc1, indicating that Korean isolatesand ADOL-Hc1 may be antigenically related, but notidentical.When the PCR was done with a primer pairdesigned to amplify genes of E element and longterminal repeat of proviral DNA, the PCR productsize of one isolate (KOAL-PET) was smaller than thatof ADOL-Hc1, suggesting that some sequences inthese regions are deleted.
인공 고관절 전치환술 후 비구 삽입물 전향각의 방사선학적 계측법의 효용성
김근우(Keun Woo Kim),한계영(Kye Young Haan),어수익(Soo Ik Awe),이상현(Sang Hyun Lee),남우동(Woo Dong Nam),유기형(Kee Hyung Rhyu) 대한정형외과학회 2004 대한정형외과학회지 Vol.39 No.4
목적: 고관절 전치환술 후 비구 삽입물의 전향각을 측정하는 몇 가지 방법들의 효용성과 신뢰도를 알아보고자 하였다. 대상 및 방법: 고관절 전치환술을 시행받은 10 고관절에서 촬영된 각각 3매의 단순 전후면과 횡측 사진을 대상으로 하였다. 세 명의 정형외과 의사가 전후방 사진을 사용한 세 가지 방법과 횡측 사진을 사용한 측정을 이용하여 비구 삽입물의 전향각을 3회씩 측정하였다. 이 값을 방사선과 의사가 컴퓨터 단층촬영을 이용하여 측정 후 평균한 축상 및 평면 전향각 과 통계적으로 비교하였다. 결과: 전후면 사진을 이용한 평면 전향각 측정법은 모두 낮은 관찰자내, 관찰자간 오차를 보였다. 이 측정치들은 단층 촬영을 이용한 평면 전향각과는 통일한 값이었고 축상 전향각 보다는 작게 측정되었으나 높은 상관관계를 보였다. 횡측 사진을 이용한 측정법은 다른 방법들이나 단층 촬영을 이용한 방법과 상관관계가 없었고 통계적으로 유의한 차이를 보였다. 결론: 단순 전후면 방사선 사진을 이용한 전향각의 측정은 공식을 이용한 방법이나 단순한 측정법 모두 높은 신뢰도와 재현성을 보여 임상적으로 이용될 수 있을 것으로 생각된다. 횡측 사진에서의 측정치는 낮은 신뢰도를 보여 각도 측정에는 그 사용이 제한되어야 할 것으로 생각된다. Purpose: This study was performed to evaluate the efficacies and the reliabilities of methods used to measure acetabular anteversion in plain radiographs. Materials and Methods: Three orthopedic surgeons measured prosthetic acetabular anteversions in three plain AP and three translateral radiographs of ten patients who underwent total hip arthroplasty. In each film, we measured anteversions three times using three methods in AP and a direct method in trans-lateral radiographs. Data were collected and analyzed statistically with CT axial and planar anteversion measured by a radiologist. Results: All methods with plain AP film showed very low inter and intraobserver variances and correlated well with CT planar and axial anteversions. Although the data obtained from translateral radiographs were showed low variances, they did not correlate with those of the other methods. Conclusion: Simple estimation alone or mathematical methods can be reliably and reproducibly used to assess planar anteversion in a clinical setting. Data from translateral radiographs were unreliable and did not correlated well with the other methods, and they are not recommended for clinical use.
Moon, Hyun-Woo,Sung, Haan Woo,Park, Jeongho,Kwon, Hyuk Moo The Korean Society of Veterinary Science 2021 大韓獸醫學會誌 Vol.61 No.2
To evaluate avian hepatitis E virus (aHEV) as an RNA vaccine platform, ORF2 of aHEV was replaced by heterologous genes, such as eGFP and HA-tag, in aHEV infectious cDNA clones. eGFP and HA-tag replicons were expressed in LMH cells. To confirm expression of the heterologous protein, ORF2 was replaced with the antigenic S1 gene of IBV. The IBVS1 replicon was expressed in LMH cells. To our knowledge, this is the first investigation showing the potential as a RNA vaccine platform using an aHEV. In the future, it may be used in the development of RNA vaccines against various pathogens.
성환우,김재홍,Sung, Haan-woo,Kim, Jae-hong 대한수의학회 2000 大韓獸醫學會誌 Vol.40 No.1
Duck viral hepatitis is an acute, highly infectious viral disease of young dacklings aged from two days to three weeks. The significant lesion associated with the disease was enlarged liver including necrotic foci and numerous hemorrhagic spots. We have isolated five strains of duck hepatitis virus (DHV) from field cases showing about 20% mortality with a sign of opisthotonos. When a-day-old ducklings were intramuscularly inoculated with one of the isolates, 92% of the birds were died within 5 days. We attempted to develop an attenuated strain of duck hepatitis virus (DHV) using one of the isolates by serial chicken embryo passages. The propagation of DHV in chicken embryos was carried 140 passages. The virus titer increased gradually from the $21^{st}$ through the $50^{th}$ passage, but there was no significant increase of virus titer in subsequent passages after then. Through the serial passages, the virulence of the virus for chicken embryos was gradually increased but decreased for ducklings. The pathogenicity of the virus for ducklings was preserved up to the $21^{st}$ passage but disappeared at the $50^{th}$passage. An attenuated Korean isolate which was passaged 140 times in chicken embryos gave good protection in ducklings against both challenge infection to a Korean virulent strain and to a DHV-DRL strain, a type 1 reference strain of DHV, which indicated that the Korean isolates could be classified as DHV type 1. And the above results suggest that an attenuated Korean isolate can be used for developing a live DHV vaccine.