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김세종(Sae Jong Kim),김재휴(Jae Hwu Kun),제갈영종(Young Jong Jaegal),윤정한(Jung Han Yoon) 대한두경부종양학회 1996 대한두경부 종양학회지 Vol.12 No.2
갑상선 유두암에 의한 뇌전이는 극히 드물게 발견되어며 그 진단 및 치료방법의 설정이 아직 확립되어 있지 못한 상태이다. 저자들은 갑상선 유두암으로 5년전 갑상선 전절제술을 시술받고 갑상선 호르몬 복용을 하고 있던 24세의 남자에서 간헐적인 발작을 일으킨 전두골내 병소가 갑상선 유두암의 전이에 의한 것임을 조직학적으로 확인할 수 있었다. 이 병소는 전신 요오드 주사상에서는 나타나지 않았지만 Brain CT 및 MRI 소견으로만 병변의 진단이 가능하였으며 stereotactic cranitomy에 의한 종양제거로 비교적 만족스러운 결과를 얻어 현재 밀착추적중에 있다. Brain metastasis is extremely rare in thyroid papillary carcinoma which has an indolent clinical course and results in good prognosis. A 24-year-old man presenting with seizure attack is described. He had been treated under the diagnosis of thyroid papillary carcinoma with total thyroidectomy, postoperative internal radiation with radioactive iodine, and thyroid hormone replacement. Although 99m Tc brain spect and 131 I whole body scan did not revealed any significant lesion, brain CT and MRI showed lcm sized mass in frontal lobe. Stereotactic craniotomy and removal of the tumor, which was histologically proven metastatic lesion from thyroid papillary carcinoma, was done with satisfactory improvement.
Propolis 추출물의 병원성 미생물에 대한 항균 효과
조정순,김영후,권명상,Cho Jung-Soon,Kim Young-Hwu,Kwon Myong-Sang 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.4
The optimal concentration of ethanol to separate a high quantity of propolis was $60\%$ but that for the best flavonoids extraction was $80\%$ We compared the yields of propolis from different countries. In this study we used $60\%$ ethanol concentration as a standard. The yield of propolis was proportional to the contents of flavonoids. Namely, Polish propolis which showed the highest yield with $56\%$ by the extraction with $60\%$ ethanol revealed also the highest flavonoids content with $3.49\%$ among all the samples tested The major constituents of propolis differed from country to country. It has been suggested that the different geographical origin influenced the efficacy and the constituents of propolis. Antibacterial activity of ethanol extracted propolis from different countries was tested against 6 microbial strains of type cultures including Gram-positive (Staphylococcus aureus, Streptococcus uberis, Streptococcus agalactiae) and Gram- negative bacteria (Klebsiella pneumoniae, Proteus vulgaris and E coli) in vitro. Propolis extract showed anti-microbial activity against all the tested bacterial strains. In addition, propolis was sensitive to E coli which was resistant to broad spectrum antibiotics like ampicillin. These results showed that propolis may substituted for commercial antibiotics. The efficiency of anti-microbial activity of the propolis was slightly higher in $80\%$ than $97\%$ ethanol extract.
권명상,김영후,조정순,Kwon Myung-Sang,Kim Young-Hwu,Cho Jung-Soon 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.5
In recent years, propolis has attracted much attention as an useful substance in medicine and functional food, even if it is known as a natural remedy in folk medicine since ancient times. propolis was registered as natural food since 1995 on Korean Food Act by Korean Food and Drug Administration(KFDA). The present study demonstrated the optimization of isolation of crude propolis by ethanol, and tumoricidal effect of pro polis. The optimal concentration of ethanol to separate a high quantity of propolis was $60\%$. The cytotoxic effect of ethanol extracted propolis against various cancer cell lines including murine lymphoma (Sarcoma-180), murine T-lymphoma (YAC-1), human breast carcinoma (MCF-7), human gastric carcinoma (KATOIII) and human hepatocellular carcinoma (Hep3B) and human lung adenocarcinoma (A-549) was observed using SRB and MIT assay. In order to investigate the curative activity by oral administration of propolis on tumor, ICR mice was subcutaneously implanted Sarcoma 180. In 300mg/kg and 600mg/kg propolis administered group, development of implanted tumors was inhibited by $40.9\%\;and\;67.9\%$ at 16th day, respectively. In the same dose of propolis administered group, development of implanted tumors was inhibited more strongly with dose dependent manner. Therefore, these data suggested propolis may show tumoricidal effects. In conclusion, these results indicate that propolis, one of the few natural remedies, can be used as functional food with tumoricidal effects.