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Poster Display : Mast Cells in the Mice Renal Fibrosis Model by Adriamycin
( Dong Wei Yuan ),( Sun Hee Do ),( Hai Jie Yang ),( Il Hwa Hong ),( Young Sook Son ),( Mi Ran Ki ),( Jin Kyu Park ),( Moon Jung Goo ),( Hye Rim Lee ),( Woo Sook Kim ),( Young Ha Lee ),( Suk Hwan Lee ) 한국수의병리학회 2006 학술대회 Vol.10 No.-
Adenocarcinoma of Meibomian Glands and Moll Glands in the Eyelid of Canine
Dong-wei Yuan(위엔동웨이),Moon-Jung Goo(구문정),Hai-jie Yang(양해걸),Il-Hwa Hong(홍일화),Mi-Ran Ki(기미란),Jin-Kyu Park(박진규),Hye-Rim Lee(이혜림),Sung-Eun Yoo(유성은),Kyu-Shik Jeong(정규식) 한국생명과학회 2008 생명과학회지 Vol.18 No.3
본 증례는 4년령의 암컷 비글종에서 발생한 것으로 점진적인 안구돌출증을 비롯하여 왼쪽 하안구 부속기에 발생한 직경 1.4 cm의 종양을 가지고 있었다. 종양의 병리조직학적 검경에서 증생된 종양 세포들이 소엽 및 섬유성 격벽으로 구분되는 관통상의 구조를 나타내고 있었다. 잘 분화된 피지선은 다양한 크기의 소엽을 형성하고 있으며 비만세포 및 단핵 염증세포의 침윤이 관찰되었다. 관강 내에는 이러한 관성구조의 정점부위에서 탈락되어 나온 호염성 물질이 관찰되었으며 일부 관성구조는 경도의 화생을 나타내고 있었다. 조직면역염색에서 세포집단은 α-SMA와 vimentin에 양성 반응을 나타내었다. 따라서 본 원발성 종양은 안검에서 발생한 내검판선 및 외검판선 유래의 선암종으로 진단되었으며 침윤되고 있는 안구내 종양은 악성 혼합종으로 진단되었다. A 4-year-old female beagle with progressive exophthalmos and which had a neoplastic mass with diameter of 1.4 cm in the left lower ocular adnexa. Histologically, the mass was composed of hyperplastic lobules and tubular structures separated by fibrous septum. The well differentiated sebaceous gland forming various sized lobules, and infiltration of mast cells and mononuclear inflammatory cells were observed. Apical decapitation secretion of these tubular structures with basophilic materials in their lumen showed mild sebaceous gland metaplasia. Immunohistochemical studying, cell groups were positive in α-SMA and vimentin. The primary tumor was diagnosed as adenocarcinoma originated from moll gland and meibomian gland of the eyelid, and the infiltrating intraocular neoplasm was diagnosed as a malignant mixed tumor.
Intestinal and Mesenteric Lymphosarcoma on Alcohol Liver Disease in the Mice
Dong-Wei Yuan(위엔동웨이),Hai-Jie Yang(양해걸),Il-Hwa Hong(홍일화),Mi-Ran Ki(기미란),Jin-Kyu Park(박진규),Moon-Jung Goo(구문정),Hye-Rim Lee(이혜림),Seung-Eun Yoo(유성은),Kyu-Shik Jeong(정규식) 한국생명과학회 2007 생명과학회지 Vol.17 No.11
알코올 유도성 조직 손상에 있어서 adrenomedullin의 발현 및 그 영향에 대한 연구 중, 실험 마우스 중의 한 개체에서 장간막 림프절과 장 내에서 림프육종이 발생한 것을 확인하였다. 림프육종은 마우스 계통에 따라 발생율이 다르지만 알려진 바로는 두 번째로 발생율이 높은 자발성 종양 질환 중 하나이다. 본 증례에서 육안적인 관찰 결과, 절제된 장에서 다소 경도가 높거나 연한 경도를 가지는 부분이 혼재된 크림색의 mass가 내강으로 돌출된 것과 함께 장간막에서 역시 동일한 형태의 mass가 관찰되었다. 종양성 세포들은 주로 점막 내로 침습하고 있는 모습을 나타내고 있으며 원형의 과염색성 핵과 소량의 세포질을 함유하고 있었다. 본 림프계 종양에 있어서 그 세포들의 기원은 CD20, CD3, vimentin에 대한 면역염색을 실시하여 확인하였다. In the study of investigate the expression and effects of adrenomedullin (AM) in the tissue injured by ethanol in our laboratory, there were lymphosarcomas involving mesenteric lymph node and intestine discovered in experimental mice. Lymphosarcoma is probably the second most common spontaneous neoplastic disease, the incidence of which is dependent on the strain of mouse. The diagnosis of lymphosarcoma was based on gross and light microscopic studies. Grossly, the excised intestine and mesentery showed soft-to-firm, cream-colored, displayed protuberance into the lumen. The neoplastic cells had mainly infiltrated into the mucosal and mesenteric lymph node, and have round hyperchromatic nuclei and a small amount of cytoplasm. The origin of these tumor cells was determined by immunohistochemistry positive of CD20, CD3 and Vimentin.
( Yuan Liu ),( Jian Wang ),( Yang Liu ),( Liting Yang ),( Xuran Zhu ),( Wei Wang ),( Jiaxiao Zhang ),( Dong Wei ) 한국미생물생명공학회(구 한국산업미생물학회) 2019 Journal of microbiology and biotechnology Vol.29 No.9
β<sub>2</sub>-adrenergic receptor (β<sub>2</sub>-AR) was expressed efficiently using Bac-to-Bac Baculovirus Expression System in Sf9 cells as a bio-recognition element for multianalyte screening of β-agonist residues in pork. Sf9 cells were selected as the expression system, and codon optimization of wild-type nucleic acid sequence and time-dependent screening of expression conditions were then carried out for enhancing expression level and biological activity. Under optimum conditions of multiplicity of infection (MOI) = 5 and 48 h post transfection, the protein yield was up to 1.23 mg/ml. After purification by chromatographic techniques, the purified recombinant protein was applied to develop a direct competitive enzyme-linked receptor assay (ELRA) and the efficiency and reliability of the assay was determined. The IC50 values of clenbuterol, salbutamol, and ractopamine were 28.36, 50.70, and 59.57 μg/l, and clenbuterol showed 47.61% and 55.94% cross-reactivities with ractopamine and salbutamol, respectively. The limit of detection (LOD) was 3.2 μg/l and the relevant recoveries in pork samples were in the range of 73.0-91.2%, 69.4-84.6%, and 63.7-80.2%, respectively. The results showed that it had better performance compared with other present nonradioactive receptor-based assays, indicating that the genetically modified β<sub>2</sub>-AR would have great application potential in detection of β-agonist residues.