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상피성 난소암 세포에서 프로폴리스 추출물의 세포 증식 저해 효과
양가람(Yang Ga Ram),윤경미(Yoon Kyung Mi),오현호(Oh Hyun Ho),김민성(Kim Min Sung),황태호(Hwang Tae Ho),안원근(An Won Gun) 한국생명과학회 2017 생명과학회지 Vol.27 No.7
Propolis는 꿀벌들이 나무로부터 수집한 천연물로서 항산화, 항염증, 항암 효과를 가지고 있어 전통의학에서 사용되고 있으며, 이러한 생리활성은 여러 가지 유용성분들이 혼합된 것과 관련이 있다. 난소암은 우리나라 여성에서 두 번째로 발병률이 높은 암이다. 대부분의 난소암 환자들은 초기에 수술적 기법과 항암요법에 우수하게 반응하지만, 항암제 내성에 의한 재발이 발생하게 되면 항암요법제에 의한 반응률이 매우 저조하여 높은 사망률을 보인다. 따라서, 난소암의 높은 치사율을 극복하기 위한 새로운 치료제 및 항암보조제의 개발이 필요하다. 본 연구에서는 인체 상피성 난소암 세포주인 A2780를 이용하여 Austalian propolis의 항암 효과와 활성기전을 조사하였다. Propolis 추출물은 농도 의존적으로 난소암 세포의 증식을 억제했으며. Flow cytometric 분석을 통해 G0/G1기에서 세포 주기 억제와 apoptosis 유도 효과를 확인하였다. 이러한 결과는 Austalian propolis의 인간 난소암에 대한 예방과 치료를 위한 보조제로서의 가능성을 제시한다. Propolis is a natural product collected from plants by honey bees product used extensively in traditional medicine for its antioxidant, anti-inflammatory, immunomodulatory and anti-cancer effects. Propolis exhibits a broad spectrum of biological activities because it is a complex mixture of natural substances. Ovarian cancer is the second most common newly diagnosed cancer from all cancers among women in Korea and the leading cause of death from gynecological malignancies. While most ovarian cancer patients initially respond to surgical debulking and chemotherapy, patients later succumb to the disease. Thus, there is an urgent need to test novel therapeutic agents to counteract the high mortality rate associated with ovarian cancer. In this study, we investigated the anti-cancer properties and the active mechanism of Australian propolis in human epithelial ovarian cancer A2780 cells. Our data revealed that propolis showed a cytotoxic activity in a dose-dependent manner. Flow cytometric analysis for cell cycle arrest and apoptosis using propidium iodide staning and annexin V-FITC indicated that propolis could induce cycle arrest in the G0/G1 phase and apoptosis in a dose-dependent manner on human epithelial ovarian cancer cells. These results suggest that the Australian propolis is potential alternative agent on ovarian cancer prevention and treatment.
( U Ram Jin ),( Kyu Sung Kwack ),( Kyung Joo Park ),( Ji Eun Kwon ),( Si Yeon Kim ),( Ki Chan Kim ),( Ga Yong Ban ),( Ju Yang Jung ),( Chang Hee Suh ),( Hyoun Ah Kim ) 대한류마티스학회 2014 대한류마티스학회지 Vol.21 No.1
Inflammatory myopathy is characterized by symmetrical proximal muscle weakness, elevated muscle enzyme levels and favorable response to glucocorticoids therapy. Although periorbital edema is a common manifestation of inflammatory myopathy, generalized subcutaneous edema is very rare. We report here a case of a 47-year-old female patient with acute polymyositis/systemic lupus erythematosus overlap syndrome with generalized subcutaneous edema and interstitial lung disease. We aggressively treated the disease with high-dose glucocorticoids, intravenous immunoglobulin, and immunosuppressive agents.
양송이 ( Song Yi Yang ),오정민 ( Jeong Min Oh ),송다혜 ( Da Hye Song ),송보람 ( Bo Ram Song ),강명진 ( Myung Jin Kang ),이명선 ( Myung Sun Lee ),손가연 ( Ga Yeon Son ),오상환 ( Sang Hwan Oh ) 한국치위생학회 2014 한국치위생학회지 Vol.14 No.4
Objectives : Latex gloves hygiene is the most effective method to prevent infection of microorganisms and to reduce the incidence of cross infections. The aim of this study was to compare the bacteria reduction ratio of cleansing with water, liquid soap and alcohol gauze. Methods : The left side glove was the control group and the right side was the experimental group. The experimental group washed hand with water, soap, and alcohol gauze. The hand plate was inoculated by the hand and inoculated for 24 hours in 35℃. Results : Washing with water showed that CFU of control group was 1116.9 and that of experimental group was 302.8. Hand washing by water reduced 74.3% of bacteria. Liquid soap revealed that CFU of control group was 619.9 and that of experimental group was 8.3. Hand washing by liquid soap reduced 97.5% of bacteria. Alcohol gauze included 875.2 CFU in control group and 5.8 CFU in experimental group. Washing by alcohol gauze reduced 99.5% of bacteria. Conclusions : Based on the results, the most effective latex gloves cleansing method was recommended as the standardized hand washing with the liquid hand soap and alcohol gauze. The results can be used to improve training strategies for enhancing glove hygiene practice in dental clinic.
( Soo Min Heo ),( Ga Ram Lee ),( So Ra Yang ),( Ji Hyun Choi ),( Hyun Ju Liu ),( Tae Gyu Ahn ),( Sang Joon Choi ) 대한산부인과학회 2022 대한산부인과학회 학술대회 Vol.108 No.-
The pelvic organ prolapse is a rare condition during pregnancy. This case report is of a 24-year-old woman treated with transabdominal pectopexy with mesh during pregnancy. She presented in hospital at 13+4weeks of gestational age accompanied by uterine prolapse with cervical bleeding. Although conservative treatment was applied, cervical condition became worse. At 15+6weeks, abdominal pectopexy was performed. After procedure, she delivered by cesarean section at 37+4 weeks. In this case, if conservative treatment is not effective as the treatment of pregnant women with uterine prolapse, abdominal pectopexy helps to maintain a pregnancy. Early recognition of these conditions is important and appropriate management to individual needs to be applied in order to prevent potential problems such as preterm labor, fetal demise, abortion. Conservative treatment may be applied preferentially, but if not, transabdominal pectopexy for a treatment may be chosen.
열무 및 부추 중 작물 잔류성 시험 및 생산단계 잔류허용기준 설정연구
양승현 ( Seung-hyun Yang ),강동현 ( Dong-hyun Kang ),윤명섭 ( Myung-sub Yun ),오경석 ( Gyeong-seok Oh ),김민 ( Min Kim ),김가람 ( Ga-ram Kim ),최훈 ( Hoon Choi ) 한국환경농학회 2021 한국환경농학회 학술대회집 Vol.2021 No.-
본 연구에서는 생산단계 농약잔류허용기준 설정을 위하여 열무 및 부추 중 pyraclostrobin외 8종에 대하여 농약 안전사용기준에 근거한 약제살포 후, 생육과정 중 시간경과에 따른 경시적 변화를 조사하였다. 열무 및 부추 중 pyraclostrobin외 8종에 대한 포장시험은 서로 지역이 다른 2개의 시험포장을 선정하여 전라북도 전주시(포장 1), 충청북도 음성군(포장 2) 소재의 시설재배 농가에서 작물 잔류성 시험을 진행하였다. 열무에 사용 등록된 약제 중 살균제 pyraclostrobin외 3개의 살충제와, 부추에 등록된 살균제 fludioxonil외 4개의 살충제를 대상으로 연구를 수행하였으며, 농약을 살포한 후 최종 약제살포일로부터 0, 1, 2, 3, 5, 7, 10일차 및 14일차에 걸쳐 총 7번의 시료를 채취하여 잔류 농약을 분석하였다. 농약 성분별 정량한계는 모두 0.05 mg/kg 이하이었다. 분석법 신뢰성 확보를 위해 열무 및 부추 공시료에 농약 성분별 회수율 실험을 실시하였으며, 처리수준은 정량한계, 정량한계의 10배, MRL 중 2 수준에서 결정하였고 분석법 기준인 회수율 70∼110%, 변이계수 10% 이하를 만족하였다. 확립된 성분별 분석법으로 포장시험 시료를 분석하여 잔류농약 경시적 변화를 확인하였으며, 95% 신뢰수준에서 감소상수 하한값을 계산하고 농약 성분별 생물학적 반감기를 산출하였다. 이를 토대로 출하전 일자별 농약잔류허용기준(안)을 제시하고자 한다.