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닭의 혈청 Creatine phosphokinase (CPK) 총 활성 및 CPK isoenzymes분획에 관한 연구
김봉식 ( Bong Sik Kim ),허인 ( In Hurh ),김종형 ( Jong Hyung Kim ),장명환 ( Myong Whan Jang ),김원선 ( Won Sun Kim ),김덕환 ( Duk Whan Kim ) 한국동물위생학회 1993 한국동물위생학회지 (KOJVS) Vol.16 No.2
Clinically healthy 66 female Maniker breed chicken(22 of 2-week-old: group A, 23 of 8-week-old: group B and 21 of 27-week-old: group C) and 66 female Manina breed chicken (21 of 2-week-old: group D, 22 of 8-week-old: group E and 23 of 27-week-old: group F) were examined to establish physiological basic data on serum total Creatine phosphokinase (CPK) activities and CPK isoenzymes fractions. The results obtained were summarized as follows. 1. Serum total CPK activities were 1,088±254.0 IU/ℓ, 1,454±337.2 IU/ℓ and 1,440±526. 3 IU/ℓ in gorup A, group B and group C of Maniker breed, respectively. Group B and group C showed higher values than that of group A (P<0.01) meaning high values with aging. 2. Serum total CPK activities were 1,676±420.5 IU/ℓ, 1,007±283.1 IU/ℓ and 862±294.5 IU/ℓ in group D, group E and group F of Manina breed, respectively. Group D showed the highest value among groups (P <0.01) and Manina breed showed the low values of serum total CPK activities with aging. 3. Manina breed at 2-week-old and Maniker breed at 8-week-old and 27-week-old showed significant high values of total serum CPK activities in breed differance (P<0.01) 4. In the pattern of serum CPK isoenzyrne fractions, group A and group B were high with decreasing order of CK3>CK2>CK1 and group C was high with decreasing order of CK2>CK3>CK1. Group D, E and F showed the same pattern with decreasing order of CK2>CK3>CK1. 5. Significance of CPK isoenzymes fractions in breed differance was only found at 8-week-old. CK1 and CK3 in Maniker breed (P<0.05), and CK2 in Manina breed were higher than that of the other breed (P<0.01).
박세혁,장인복,김창현,조용준,조병문,신동익,오세문,김덕환,남은숙,Park, Se-Hyuck,Chang, In-Bok,Kim, Chang-Hyun,Cho, Young-Jun,Cho, Byung-Moon,Shin, Dong-Ik,Oh, Sae-Moon,Kim, Duk-Whan,Nam, Eun-Sook 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.6
Objective : Angiogenesis, the proliferation of capillary endothelial cells, is a vital component in the development, progression, and metastasis of many human tumors. Vascular endothelial growth factor(VEGF) is an endothelial cell-specific mitogen and induces angiogenesis and vascular permeability. The features of glioblastoma, distinct from low grade astrocytomas, are the presence of necroses and vascular endothelial proliferation. In this study, we investigated VEGF expression in the different grades of astrocytomas and determined whether VEGF expression correlates with development of glioblastoma and progression of astrocytomas. Patients and Methods : Forty seven patients with astrocytic tumors(24 males and 23 females), aged 3 to 65 years, were evaluated. Immunohistochemical staining was carried out using labelled streptavidin biotin method and primary antibody was a antirabbit polyclonal Ab against N-terminus region of VEGF165(Oncogene research product, MA, USA). Immunoreactivity(IR) was classified into no IR(absent or a trace of stain), moderate IR and intense IR by level of staining amount and intensity. Results : Six pilocytic astrocytomas showed 3 no IR and 3 moderate IR, 10 astrocytomas showed 2 no IR, 6 moderate IR and 2 intense IR, 12 anaplastic astrocytomas showed I no IR, 7 moderate IR and 4 intense IR and 19 glioblastomas showed 1 no IR, 11 moderate IR and 7 intense IR. Immunoreactivity was significantly different between low and high grade of tumors but there was no significant difference between anaplastic astrocytomas and glioblastomas. Gemistocytic tumor cells represented the predominent VEGF-immunoreactive cell types, as compared with compactly-arranged small tumor cells. In glioblastomas VEGF IR was observed in both perinecrotic and vital tumor areas. Conclusion : VEGF seems to be a important angiogenic factor in anaplastic astrocytomas and glioblastomas and VEGF expression may contribute to neovascularization of human astrocytomas.