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A Compound Isolated from Rumex japonicus Induces Early Growth Response Gene-1 Expression
Jo, Geun-Hyeong,Shin, Soon-Young,Lee, Young-Giu,Hyun, Ji-Ye,Dong, Kwang-Sik,Park, Jun-Cheol,Kim, Hyun-Su,Lee, Young-Han,Lim, Yoong-Ho The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
A compound was isolated from the root of Rumex japonicus. Based on spectroscopic data including nuclear magnetic resonance spectroscopy and mass spectrometry, the chemical structure of the compound was determined to be 1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione. The compound exhibits antitumor activity due to inhibition of clonogenicity and induction of tumor suppressor early growth response gene-1 in HCT116 colon cancer cells.
In Silico Study of the Ion Channel Formed by Tolaasin I Produced by Pseudomonas tolaasii
( Geun Hyeong Jo ),( Do Seok Hwang ),( Sun Hee Lee ),( Yoon Kyung Woo ),( Ji Ye Hyun ),( Yeon Joong Yong ),( Kyung Rai Kang ),( Dong Woon Kim ),( Yoong Ho Lim ) 한국미생물 · 생명공학회 2011 Journal of microbiology and biotechnology Vol.21 No.10
A toxin produced by Pseudomonas tolaasii, tolaasin, causes brown blotch disease in mushrooms. Tolaasin forms pores on the cellular membrane and destroys cell structure. Inhibiting the ability of tolaasin to form ion channels may be an effective method to protect against attack by tolaasin. However, it is first necessary to elucidate the three-dimensional structure of the ion channels formed by tolaasin. In this study, the structure of the tolaasin ion channel was determined in silico based on data obtained from nuclear magnetic resonance experiments.
( Geun Hyeong Jo ),( Soon Young Shin ),( Young Giu Lee ),( Ji Ye Hyun ),( Kwang Sik Dong ),( Jun Cheol Park ),( Hyun Su Kim ),( Young Han Lee ),( Yoong Ho Lim ) 한국응용생명화학회(구 한국농화학회) 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
A compound was isolated from the root of Rumex japonicus. Based on spectroscopic data including nuclear magnetic resonance spectroscopy and mass spectrometry, the chemical structure of the compound was determined to be 1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione. The compound exhibits antitumor activity due to inhibition of clonogenicity and induction of tumor suppressor early growth response gene-1 in HCT116 colon cancer cells.
임신과 동반된 급성백혈병과 골수이형성증후군 증례보고 4예
김조영 ( Kim Jo Yeong ),조진호 ( Jo Jin Ho ),장성운 ( Jang Seong Un ),김현철 ( Kim Hyeon Cheol ),강석호 ( Kang Seog Ho ),조형준 ( Jo Hyeong Jun ),이경미 ( Lee Gyeong Mi ),은미나 ( Eun Mi Na ),정상근 ( Jeong Sang Geun ),김윤아 ( Ki 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.5
We have reviewed the medical records of 4 pregnant patients with concomitant acute leukemia at our institution in conjunction with determining the delivery process in order to reduce complications associated with the delivery. Of the 4 patients, three cases were diagnosed as acute leukemia and the other as myelodysplastic syndrome. One experienced an incomplete abortion at gestational age of 10 weeks, after remission induction chemotherapy. The remaining three patients made delivery at full term by Cesarean section. Our observation indicated that Cesarean delivery was advisable for these three patients. Most of the patients had thrombocytopenia or anemia. Before the Cesarean section or dilatation or evacuation, transfusion was undertaken to prevent hemorrhage or severe anemia. In the cases of refractoriness to blood transfusion, a greater amount was transfused. After Cesarean section, some complications were reported such as fever, delayed wound repair, and vaginal bleeding. Based on the our observations, we are of the opinion that pregnant women with acute leukemia or myelodysplastic syndrome can be managed even in those cases where the state of leukemia is not in complete remission or chemotherapy-induced cytopenia is. And the proper measures are timely undertaken to prevent complications associated with delivery.