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칠복음(七福飮)이 Glucose Oxidase에 의해 손상(損傷)된 대뇌피질(大腦皮質) 신경세포(神經細胞)에 미치는 영향(影響)
최공한,박승택,류도곤,최민호,엄상섭,허진영,강성도,고정수,서의석,성은경,조남수,이춘우,황일택,선성규,류영수,Choi, Kong-Han,Park, Seung-Taeck,Ryu, Do-Gon,Choi, Min-Ho,Um, Sang-Sub,Hea, Jin-Young,Kang, Sung-Do,Go, Jeong-Soo,Sou, Eui-Suk,Sung, Yeun-Ky 대한동의생리학회 1999 동의생리학회지 Vol.14 No.2
As the average life span have been lengthened and the rate of senile population have been raised, chronic degenerative diseases incident to aging has been increased rapidly and become a social problem. With this social background, recently, the facts that oxygen radicals(OR) have toxic effects on Central Nervous System and Peripheral Nervous System and cause neuropathy such as Parkinson's Disease, Alzheimer Disease have been turned out, and accordingly lots of studies on the mechanism of the toxic effects of OR on nerves, the diseases caused by OR and the approaches to curing the diseases have been made. The purpose of this study is to examine the toxic effects caused by Glucose Oxidase(GO) and the effects of herbal extracts such as Chilbokyeum(CBY) on the treatment of the toxic effects. For this purpose, experiments with the cultured cell from the cerebrums of new born mice were done. The results of these experiments were as follows. 1. GO, a oxygen radical, decreased the survival rate of the cultured cells on NR assay and MTT assay 2. GO, a oxygen radical, increased lipid peroxidation and the amount of LDH. 3. CBY have efficacy of decreasing lipid peroxidation. 4. CBY have efficacy of decreasing the amount of LOH. From the above results, It is concluded that Chilbokyeum has marked efficacy as a treatment for the damages caused in the GO-mediated oxidative process. And Chilbokyeum is thought to have certain pharmacological effects on controlling over aging and treating Dementia. Further clinical study of this pharmacological effects of Chilbokyeum should be complemented.
석창포(石菖蒲) 전탕액(煎湯液)이 Glucose Oxidase에 의해 손상(損傷)된 대뇌피질(大腦皮質) 신경세포(神經細胞)에 미치는 영향(影響)
최공한,박승택,류도곤,최민호,허진영,강성도,고정수,양상철,성은경,조남수,이춘우,서의석,류영수,Choi, Kong-Han,Park, Seung-Taeck,Ryu, Do-Gon,Choi, Min-Ho,Hea, Jin-Young,Kang, Sung-Do,Go, Jeong-Soo,Yang, Sang-cheal,Sung, Yeun-Kyung,Cho, Nam-Su,L 대한동의생리학회 1999 동의생리학회지 Vol.14 No.2
The purpose of this study is to examine the toxic effects caused by Glucose Oxidase(GO) and the effects of herbal extracts such as Acori Rhizoma(AR) on the treatment of the toxic effects. For this purpose, experiments with the cultured cell from the cerebrums of new born mice were done. The results of these experiments were as follows. 1. GO, a oxygen radical, decreased the survival rate of the cultured cells on NR assay and MTT assay. 2. GO, a oxygen radical, decreased the amount of neurofilaments and total protein. 3. AR have efficacy of increasing the amount of neurofilament. 4. AR have efficacy of increasing the amount of total protein. From the above results, It is concluded that AR has marked efficacy as a treatment for the damages caused in the GO-mediated oxidative process. And AR is thought to have certain pharmacological effects on controlling over aging. Further clinical study of this pharmacological effects of AR should be complemented.
일시적인 피질맹과 인지기능장애로 발현한 간성 뇌병증 1예
윤고운,박민정,박경원,차재관,김재우 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
A 55-year-old woman presented with transient cortical blindness and multiple cognitive impairments as initial symptoms of hepatic encephalopathy. Her past history was negative for chronic liver disease or gastrointestinal bleeding. Neurologic examinations showed bilateral visual loss with a normal pupillary reflex to light and neuropsychological test showed significant impairments in all cognitive domains. Laboratory tests revealed increased liver enzymes, ammonia level, and positive IgG HbcAb. Ultrsonography of the liver showed findings consistent with liver cirrhosis with splenomegaly. The visual evoked potential study resulted in no wave formation on both sides. T1-weighted brain MRI showed high signal intensity lesions in both globus pallidus and cerebral peduncles of the midbrain. After treatment with lactulose, cortical blindness and cognitive dysfunctions disappeared within several days. In rare cases of hepatic encephalopathy, cortical blindness with cognitive impairments may occur before alteration of consciousness and usually recovers following treatment of the hepatic encephalopathy.
인체 자궁암 세포에서 천연 성분이 P-당단백질의 활성에 미치는 영향
정수연,고은정,김나형,성민경,장정옥,이화정 이화여자대학교 약학연구소 2005 藥學硏究論文集 Vol.- No.15
Multidrug resistance (MDR) of cancer cells is, at least in part, associated with the overexpression of P-gly-coprotein (P-gp). Many studies hve demonstrated that natural compounds obtained from fruits, vegetables, teas and medicinal plants may modulate P-gp activity. The objective of the present investigation was to examine the effect of seven natural compounds on the P-gp activity in human uterine sarcoma cell line, MES-SA/DX5. Daunomycin uptake was significantly increased by biochanin A and silymarin (p<0.0001) whereas it was reduced by morin (p<0.01). The efflux of daunomycin from the cells was significantly inhibited by biochanin A, morin, cephalotaxine, berberine (p<0.05) and silymarin (p<0.0001). Biochanin A, berberine and silymarin significantly decreased IC_(50) value of daunomycin (p<0.05) while morin increased it (p<0.05). These results suggest that some natural compounds such as biochanin A and silymarin may inhibit P-gp funciton and can by developed as MDR reversing agents to improve the efficacy of chemotherapeutic drugs when administered concomitantly.
이권해,이정재,조현철,이석민,이임순,이해혁,김권대,이순곤,남계현 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.2
Objective: This study was designed to evaluate diagnosis and complication, prognosis during clinical study of cases of intrauterine fetal death. Methods and materials: This is a clinical study of 56 cases of the intrauterine fetal death among 8064 deliveries at Seoul Sunchunhyang university hospital during 5 years from January, 1994 to December, 1998. Results: The incidence was 0.7%. The age distribution of mothers was 18 - 44 years and was highest in the 25 - 29 years range(46.4%). The parity was the most highest in the nulliparous group(51.8%). The most common gestational weeks was 20 - 28 weeks gestational period(46.4%), and most common presentation was cephalic(73.5%). The most common weights of the intrauterine fetal death was from 5,00gm to 1,000g(48.2%). The mode of the most common delivery was the induction of delivery(57.2%). The etiologic factors were: unknown(42.9%), preeclampsia(17.9%), chorioamnionitis(14.3%), congenital anomaly(12.5%), abruptio placenta(7.1%), cord complication(3.6%), placenta previa, death of one for twin. There were 2 cases of maternal complication(DIC, Uterine atony). Conclusion : Intrauterine fetal death should be diagnosised early and treated properly to reduce risk of the maternal complication.
조산의 예측 지표로서의 fetal fibronectin의 유용성
정집광,이해혁,이정재,이석민,이순곤,남계현,이임순,이권해 순천향의학연구소;Soonchunhyang Medical Research Institute 2000 Journal of Soonchunhyang Medical Science Vol.6 No.1
Objective: The purpose of this study was to evaluate clinical efficacy of fetal fibronectin as a marker to predictor of preterm labor. Materials & Methods: The study group consisted of sixty-eight healthy pregnant women, at gestational age between 24 and 36 weeks, who visited our department with vaginal discharge from April, 1995 to December, 1997. For comparison, we divided all of the pregnant women into two groups by the result of ROM-Check^®, positive groups(N=21) and negative groups(N=47). When preterm labor appeared, 50mg of ritodrine hydrochloride(Yutopar^®) mixed I liter of 5% dextrose solution was administered slowly intravenously. Results: 1) The gestational age at delivery and the interval time from admission to delivery in the positive groups were significantly shorter than those of the negative groups(p<0.05). 2) The positive groups had significantly lower birth weight and Apgar scores than the negative groups(p<0.05). 3) Among the negative groups, in case of tocolytics administration, the interval time from admission to delivery significantly delayed more than that time in case of no tocolytics administration(p<0.05). Conclusions: The detection of the fetal fibronectin in vaginal discharge had a useful method as a predictor of preterm labor. Tocolytics was more effective in the negative groups than in the positive groups.
뇌하수체 종양 제거술 시행 후 뒤늦게 발생한 횡문근 융해증과 동반된 중추성 열
장제혁,최규남,김일환,노은지,김윤정,유충헌,고정해,박봉수,김태균,권민정,이순희,박정현 인제대학교 2008 仁濟醫學 Vol.29 No.-
Body temperature is controlled by thermoregulatory center of the hypothalamus. We report a case of 24 years old man with central fever. He was subjected to a partial excision of pituitary tumor compressing optic chiasm four years ago. He has received hormonal therapy for panhypothyroidism after removal of pituitary tumor. And He received gamma knife operation for partially contrast-enhancing masses in suprasellar and both hypothalamic areas that is probably postoperatively remnant or recurrent tumor of pituitary adenoma. One year after gamma knife operation, he presented with a febrile syndrome of unknown origin including rhabdomyolysis. All usual investigations proved negative. We diagnosed him as central fever with rhabdomyolysis. He received medical ICU care with cooling bed, ice pack. And his symptom improved. Postoperative hyperthermia may result following resection of the pituitary tumor. When central fever is suspected taking note of past history, a quick recognition of course of fever can help reduce the using of unnecessary antibiotics and hospital stay.
Ti/Ir 전극을 이용한 절삭유의 COD<sub>Cr</sub> 제거에 관한 연구
정영빈 ( Young-been Jeong ),장성호 ( Seong-ho Jang ),양승빈 ( Seung-bin Yang ),김고은 ( Go-eun Kim ),서정민 ( Jeong-min Suh ),송영채 ( Young-chae Song ),정병길 ( Byung-gil Jung ) 한국수처리학회 2016 한국수처리학회지 Vol.24 No.6
An electrochemical treatment has a great efficiency in removal of non-biodegradable material and it has high applicability in wastewater treatment due to a short operating time. Insoluble electrode used in electrochemical water treatment process is mainly manufactured through the platinum metal oxide coating process on the Ti substrate. The purpose of this study using electrochemical treatment with Ti/Ir(Titanium/Iridium) electrode is to provide fundamental data of Soluble Cutting Fluids treatment in COD<sub>Cr</sub>. The result as follows. Experimental data in relation to applied voltage and concentration of NaCl are outlined. Under the condition of no addition of NaCl, changing on applied voltage as 15 V, 20 V, 25 V for 60 mins, the removal rates of COD<sub>Cr</sub> were 57.14%, 75.71% and 71.43%(40 mins) for each voltage. The removal rates of COD<sub>Cr</sub> increased with increasing the applied voltage and these experimental results show that removal rate of COD<sub>Cr</sub> at the each concentration of NaCl increased with increasing the concentration of NaCl.
Jeong, Hyun-Ja,Lee, Ju-Young,Kim, Joon-Bae,Go, Hoyeon,Ko, Seong-Gyu,Seo, Young-Wan,Jeong, Sejin,Park, Jinhan,Na, Ho-Jeong,Um, Jae-Young,Kim, Hyung-Min,Hong, Seung-Heon Gordon and Breach 2008 INTERNATIONAL JOURNAL OF NEUROSCIENCE - Vol.118 No.10
<P>KI0477959 (Herbkines) has been used for the purpose of development of physical strength in wasting diseases, like cancer. In the present study, apoptosis-inducing activities of butanol fraction of KI0477959 were studied in human leukemia cell line, HL-60 cells. KI0477959 increased cytotoxicity but had less effect on human peripheral blood mononuclear cells. KI0477959-induced apoptosis was accompanied by activation of caspase-3 and specific proteolytic cleavage of poly-ADP-ribose polymerase. Increased apoptosis was reduced by treatment with p38 and extracellular signal-regulated protein kinase (ERK) inhibitors. These results suggest that KI0477959 induces apoptosis through activation of caspase-3, p38, and ERK in HL-60 cells.</P>
New Titanium Catalysts Containing Tetrazole for Cycloaddition of CO<sub>2</sub> to Epoxides
Go, Min Jeong,Lee, Kang Mun,Oh, Chang Hwa,Kang, Yi Young,Kim, So Han,Park, Hyoung Ryun,Kim, Youngjo,Lee, Junseong American Chemical Society 2013 Organometallics Vol.32 No.15
<P>A series of new half-sandwich titanocene [(η<SUP>5</SUP>-C<SUB>5</SUB>H<SUB>5</SUB>)Ti<I><B>L</B></I>Cl<SUB>2</SUB>] (<B>1</B>) and nonorganometallic titanium complexes [Ti<I><B>L</B></I>Cl<SUB>3</SUB>(THF)] (<B>2</B>) and [Ti<I><B>L</B></I><SUB>2</SUB>Cl<SUB>2</SUB>] (<B>3</B>) containing 5-(2-hydroxyphenyl)tetrazole (<I><B>L</B>H</I>) were synthesized in high yield and fully characterized by various spectroscopic methods and X-ray crystallography. In all complexes, the ligand <I><B>L</B></I> acted as a monoanionic bidentate ligand and hydrogen bonding between the oxygen of the tetrahydrofuran and hydrogen of the tetrazolyl unit was observed. In the cycloaddition of CO<SUB>2</SUB> to propylene oxide, complex <B>3</B> showed the highest activity among the reported Ti complexes.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/orgnd7/2013/orgnd7.2013.32.issue-15/om400605k/production/images/medium/om-2013-00605k_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/om400605k'>ACS Electronic Supporting Info</A></P>