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Protective Effects of Hyperoside against Carbon Tetrachloride-Induced Liver Damage in Mice
Choi, Jun-Ho,Kim, Dong-Wook,Yun, Nari,Choi, Jae-Sue,Islam, Md. Nurul,Kim, Yeong-Shik,Lee, Sun-Mee American Chemical Society and American Society of 2011 Journal of natural products Vol.74 No.5
<P>In this study, the hepatoprotective effects of hyperoside (<B>1</B>), a flavonoid glycoside isolated from <I>Artemisia capillaris</I>, have been examined against carbon tetrachloride (CCl<SUB>4</SUB>)-induced liver injury. Mice were treated intraperitoneally with vehicle or <B>1</B> (50, 100, and 200 mg·kg<SUP>−1</SUP>) 30 min before and 2 h after CCl<SUB>4</SUB> (20 μL·kg<SUP>−1</SUP>) injection. Levels of serum aminotransferases were increased 24 h after CCl<SUB>4</SUB> injection, and these increases were attenuated by <B>1</B>. Histological analysis showed that <B>1</B> prevented portal inflammation, centrizonal necrosis, and Kupffer cell hyperplasia. Lipid peroxidation was increased and hepatic glutathione content was decreased significantly after CCl<SUB>4</SUB> treatment, and these changes were reduced by administration of <B>1</B>. Protein and mRNA expression of tumor necrosis factor-α (TNF-α), inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and heme oxygenase-1 (HO-1) and nuclear protein expression of nuclear factor erythroid 2-related factor 2 (Nrf2) significantly increased after CCl<SUB>4</SUB> injection. Compound <B>1</B> suppressed TNF-α, iNOS, and COX-2 protein and mRNA expression and augmented HO-1 protein and mRNA expression and Nrf2 nuclear protein expression. These results suggest that <B>1</B> has protective effects against CCl<SUB>4</SUB>-induced acute liver injury, and this protection is likely due to enhancement of the antioxidative defense system and suppression of the inflammatory response.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jnprdf/2011/jnprdf.2011.74.issue-5/np200001x/production/images/medium/np-2011-00001x_0006.gif'></P>
최남홍,곽호윤,송백용,배상욱,이인묵,김도현 대한골절학회 2003 대한골절학회지 Vol.16 No.3
목적: 이번 연구의 목적은 보조기를 이용하여 최소 전위된 족관절 외과 골절의 보존적 치료 결과를 알아보는 것이다. 대상 및 방법: 11명 (11예)의 환자들이 수상 후 8주간 전 체중 부하 보행으로 보존적 치료를 받았다. 적응증으로는 3㎜ 이하의 골절 전위, 내과 부분의 동통과 부종이 없거나 있어도 미약한 경우, 거골의 외측 전위가 없는 경우로 삼았다. 환자들은 AOFAS (the American Orthopedic Foor and Ankle Society) Ankle-Hindfoot Scale에 의해 평가받았다. 결과: 평균 103주 (36~192주)의 추시 관찰을 하였으며, 전례에서 발목 관절의 운동 범위는 정상이었다. 평균 AOFAS Ankle-Hindfoot Scale 점수는 95점이었다. 결론: 보조기를 이용한 보존적 치료의 장점은 조기에 전 체중 부하 보행을 하며 일상생활 및 사회생활을 영위할 수 있다는 것, 환자의 편안함, 그리고 재활 치료 기간의 단축이었다. 그러므로 최소 전위된 족관절 외과 골절에 보조기를 이용한 보존적 치료는 권할만하다. Purpose: The purpose of this study was to evaluate the outcome of conservative treatment for minimal displaced lateral mallolar fracture using ankle brace. Materials and Methods: Eleven patients (eleven ankles) underwent conservative treatment with ankle brace for 8 weeks with full weight bearing ambulation. Inclusion criteria were minimal displacement (<3㎜) of fracture, no or mild tenderness or swelling on medial malleolar area and no lateral shift of talus. The patients were evaluated with AOFAS (the American Orthopedic Foot and Ankle society) Ankle-Hindfoot scale. Result: Average follow up was 103 weeks (36~192). All cases had normal range of motion of ankle. The average score of AOFAS Ankle-Hindfoot scale was 95 points. Conclusion: The advantages of conservative treatment with ankle brace were early return to daily activity and work, comfort to the patients and a short period of rehabilitation. Conservative treatment with ankle brace for minimal displaced lateral malleolar fracture is recommended.
중수도 운전현황분석에 의한 건축 용도별 중수도 특성 분석
나욱호,최미영,홍원화 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
The water is the key resource of human's life in this planet. All of creatures to live their life being makes necessity of water in other words water is originating the entire resources. Even though highly valuable ones, the actual water operation system in developing country, especially Korea, appears to ignore the importance of this water efficiency. Thus, this research have focused here to make the water operation efficient by classifying as the objectivity and the scale. To assess the hygiene water (graywater) operation sate in developing country, in particular korea is very crucial step to make a master plan for national water resource. According to this purpose, this research starts here to analysis the graywater statue in terms of treatment process, systemic operations and the using logistics etc.; in large sized building such like manufacturing plants, shopping malls and hotels. That data which have obtain through this case studies will provide the optimal size facilities of graywater for the sake of operating of new or old buildings.
활성탄관에 포집된 2MEA와 2EEA의 에스테르화가 2MEA와 2EEA 분석에 미치는 영향
김현욱,김강윤,최호춘 한국산업위생학회 2003 한국산업보건학회지 Vol.13 No.1
This study was performed to find an appropriate desorbing solution for 2MEA and 2EEA collected activated charcoal. The desorbing solution should be transesterification-free and have reliable desorption efficiency. Anumber of desorbing solutions were tested against CS2 and MeOH/ methylene chloride(5/95, v/v, 5MeOH) which were normally used as desorbing solutions. Transesterfication of 2MEA and 2EEA on dry charcoal by 5MeOH was also verified. A GC/MSD was used for verification of transesterification. Desorption effciencies of several desorbing solutions were measured by GC/FID, As desorbing solutions, CS2, 5MeOH, DMF/CS2(1/99, v/v, 1DMF), and DMF/cs2(3/97,v/v, 3DMF)were selected. Desorption effciencies of 2MEA and 2EEA were 97.3% and 99.2% by 5MeOH, respectively, and 100.8% and 101.4% by 3DMF, respectively. No significant difference between 5MeOH and 3DMF was found for both 2MEA and 2EEA(p〈0.05), Transesterification of 2MEA and 2EEA on dry charcoal at≥10 ppm was confirmed when 5MeOH was used as the desorbing solution, However, when 3DMF was used, no transestserification of 2MEA and 2MEEA on dry charcoal was found. This study found that 3DMF (DMF/CS@, 3/97, v/v)was the desorbing solvent of choice for 2MEA and 2EEA collected on coconut shell charcoal tube With the solutiom, no transesterification was found with nearly 100% desorption efficiency.
최한샘,김호성,채현욱 이화여자대학교 의과학연구소 2021 EMJ (Ewha medical journal) Vol.44 No.4
A notable secular trend in early puberty onset has been described over the past few decades. Also, the prevalence and incidence of precocious puberty is increasing not only in Korea, but also around the world. The manifestation of secondary sex characteristics before 8 years in girls and 9 years in boys is defined as precious puberty. The causes of precocious puberty can be classified as gonadotropin releasing hormone (GnRH)- dependent, also known as central precocious puberty (CPP), or GnRH-independent. Evaluation of patient with precocity requires detailed examination of the clinical manifestation, GnRH stimulation test, and imaging of the central nervous system if indicated. The standard treatment for CPP is GnRH agonist, which is beneficial for adequate pubertal development and preservation of final adult height. In this paper, we investigate the diagnosis and adequate treatment of CPP.
Azithromycin으로 치료한 임신 중 쓰쓰가무시병 1예
김광석,최진욱,서호종,김기훈,박성호,서광섭,고성만,김순혜,김호정 대한감염학회 2001 감염 Vol.33 No.5
We report a case of tsutsugamushi disease in a 26 year-old pregnant woman who was treated with azithromycin. Her gestation period was 27 weeks and she admitted with fever, rash, and eschar on the right shoulder. Currently recommended medications for the treatment of scrub typhus are doxycycline or chloramphenicol. But, these drugs are class D drugs according to the U.S. Food and Drug Administration (FDA) Fetal Risk Summary, so they couldn't be used to treat pregnant women. Recently, a few case reports suggested that azithromycin, a relatively new macrolide antibiotic, was effective and safe for the treatment of scrub typhus in pregnant women. And, there is no evidence that azithromycin causes harmful effects to the developing fetus or to children. On the basis of current in vivo test that confirms the effectiveness of azithromycin, it may be the drug of choice for the treatment of scrub typhus in pregnant women and children. (Korean J Infect Dis 33:380-382, 2001)
( Ji Hyun Yang ),( Jin Ho Choi2 ),( Young Wook Ki ),( Dong Ik Kim ),( Duk Kyung Kim ),( Jeong Rang Park ),( Jae K. Oh ),( Seung Hyuk Choi ) 대한내과학회 2012 The Korean Journal of Internal Medicine Vol.27 No.3
Background/Aims: Identification of patients at high risk for perioperative cardiac events (POCE) is clinically important. This study aimed to determine whether preoperative measurement of plasma N-terminal pro-B-type natriuretic peptide (NT-proBNP) could predict POCE, and compared its predictive value with that of conventional cardiac risk factors and stress thallium scans in patients undergoing vascular surgery. Methods: Patients scheduled for non-cardiac vascular surgery were prospectively enrolled. Clinical risk factors were identified, and NT-proBNP levels and stress thallium scans were obtained. POCE was the composite of acute myocardial infarction, congestive heart failure including acute pulmonary edema, and primary cardiac death within 5 days after surgery. A modified Revised Cardiac Risk Index (RCRI) was proposed and compared with NT-proBNP; a positive result for ischemia and a significant perfusion defect (≥ 3 walls, moderate to severely decreased, reversible perfusion defect) on the thallium scan were added to the RCRI. Results: A total of 365 patients (91% males) with a mean age of 67 years had a median NT-proBNP level of 105.1 pg/ mL (range of quartile, 50.9 to 301.9). POCE occurred in 49 (13.4%) patients. After adjustment for confounders, an NTproBNP level of>302 pg/mL (odds ratio [OR], 5.7; 95% confidence interval [CI], 3.1 to 10.3; p<0.001) and a high risk by the modified RCRI (OR, 3.9; 95% CI, 1.6 to 9.3; p = 0.002) were independent predictors for POCE. Comparison of the area under the curves for predicting POCE showed no statistical differences between NT-proBNP and RCRI. Conclusions: Preoperative measurement of NT-proBNP provides information useful for prediction of POCE as a single parameter in high-risk patients undergoing noncardiac vascular surgery.