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지역 사회 감염성 폐렴에서 Cefodizime의 효능 및 안전성을 Ceftriaxone과 비교한 연구
심영수,오명돈,한성구,최강원,정희순,김영환,유철규,최형석 대한감염학회 1994 감염 Vol.26 No.3
목적: Cefodizime은 새로운 주사용 제 3세대 항생제이다. 저자들은 감염성 폐렴 환자들에서 이 약물을 하루 1번 정맥주사하였을 때 관찰되는 임상적및 세균학적 효과와 안전성을 ceftriazone과 비교하기 위하여 본 연구를 시행하였다. 방법: 1992년 6월부터 1993년 11월까지 서울대학교 병원에 지역사회 감염성 폐렴으로 입원하였던 환자 32명을 무작위로 3군으로 나누고 제 1군 : Cefodizime 1g(n=11), 제2군 : Cefodizime 2g(n=10), 제3군 : Ceftrizxone 1g(n=11)을 각각 하루 1회 정맥주사로 투여하여 그 치료율및 안전성을 비교하였다. 결과: 1)Cefodizime은 제1군 100%, 제2군 80.0%의 임상적 반응율을 보였다. Ceftriaxone을 투여하였던 제 3군에서는 81.8%의 임상적 반응율을 보였다. 이러한 임상적 반응율의 결과는 세 군간에 통계적으로 유의한 차이를 보이지 않았다(p>0.05). 2)세균학적 반응율도 세 군간에 유의한 차이를 보이지 않았다. 3)Cefodizime의 안전성의 평가에서 제1군 및 제2군에서 구토 및 오심이 2예(9.5%)에서 관찰되었고 일시적인 간효소치의 상승이 1예(4.8%)에서 관찰되었다. 경미한 공복시 위통이 1예(4.8%)에서 관찰되었다. Ceftriaxone으로 치료한 군에서는 특별한 부작용은 관찰되지 않았다. 결론: 이상의 결과로 지역사회 감염성 폐렴의 치료에 있어서 cefodizime 1내지 2g을 정맥 주사로 하루 1회 치료할 경우 적어도 ceftriaxone과 유사하게 효과적이며 안전한 것으로 사료된다. Background:Cefodizime(Modivid) is a new parenteral form of cephalosporin showing the antibacterial specturm of the third generation. The clinical efficacy and safety of cefodizime have been well proven by some previous clinical studies performed in European countries and Japan. The objective of this study was to evaluate the clinical, radiological and antimicrobial efficacy of this drug in patients with community-acquired pneumonia compared to that of ceftriaxone. Methods: We performed an open, controlled, randomized study in 32 patients with community-acquired pneumonia at Seoul national University hospital from June 1992 to November 1993. In the first group(n=11) 1g of cefodizime, and in the second group(n=10) 2g of cefodizime were respectively administered intravenously once a day. and in the third group(n=11), 1g of ceftriaxone was administered intravenously. Results: The results were as follows. 1) Cefodizime showed the clinical response rate of 100% in group I, and 80.0% in group Ⅱ. The clinical response rate of ceftriaxone in group Ⅲ was 81.8%. There was no significant statistical difference(p>0.05). 2) The rates of bacteriological efficacy wee not statistically different among three groups. 3) In the cefodizime treatment group(group Ⅰ, group Ⅱ) nausea and vomiting were observed in 2 cases(9.5%) and transient elevations of hepatic transaminases in 1 case(4.8%). Mild abdominal pain occurred in 1 case(4.8%). No significant adverse reactions were observed in the ceftriaxone treatment group. Conclusion: We could conclude that once a day intravenous cefodizime therapy was as effective and well tolerated as ceftriaxone in the treatment of community-acquired pneumonia.
겔여과크로마토그라피에 의한 질트리코모나스의 항원분획 분석
임미혜,심재찬,민득영,안명희,류재숙,최영길 한양대학교 의과대학 1993 한양의대 학술지 Vol.13 No.1
This study was aimed to analyze the antigenicity of T. vaginalis using a high performance gel filtration chormatography(HPLC), enzyme-linked immunosorbent assay (ELISA) and enzyme-linked immunoelectotransfer blot (EITB). Soluble antigen was prepared using a bead beater. Antiserum was collected from rabbit immunized previously. The results obtained are as follows: the crude antigen of T.vaginalis was separated into 7 peak by HPLC and the fraction 3 revealed the highest reactivity in DLISA. The immunogenic bands of fraction 3 were visualized at 38, 45, 47, 55, 64, 78, 94, 115, 126 and 180 KDa and the bands at 38KDa and 180KDa showed stronger reactivity than that of equivalents of the crude antigen in EITB. In conclusion the fraction 3 of the crude antigen of T. vaginalis obtained by chromatographic separation may have a high antigenicity and proteins ay 38KDa and 180KDa of the fraction 3 may play an important role in antigen-antibody reaction in T. vaginalis infection.
김형일,장명익,심지영 大韓齒科器材學會 1995 대한치과재료학회지 Vol.22 No.1
The proper temperatures of heat treatment in a commercial low-gold dental casting alloy were studied by means of DTA, hardness test, X-ray diffraction study. The results were as follows : 1) The effect of age-hardening was apparent at the higher solution-treatment temperature. 2) The stable phase was the co-existence of the Ag-rich α₁phase and the AuCu I ordered phase at the temperature of the effective age-hardening. 3) The suitable temperatures for the solution treatment and the aging were 800℃, 400℃, respectively.
Nanogap-controlled Pd coating for hydrogen sensitive switches and hydrogen sensors
Shim, Young-Seok,Jang, Byungjin,Suh, Jun Min,Noh, Myoung Sub,Kim, Sangtae,Han, Soo Deok,Song, Young Geun,Kim, Do Hong,Kang, Chong-Yun,Jang, Ho Won,Lee, Wooyoung Elsevier Science B.V., Amsterdam. 2018 Sensors and actuators. B Chemical Vol.255 No.2
Shim, Myoung Sup,Kim, Jin Young,Jung, Hee Kyoung,Lee, Kwang Hee,Xu, Xue-Ming,Carlson, Bradley A,Kim, Ki Woo,Kim, Ick Young,Hatfield, Dolph L,Lee, Byeong Jae American Society for Biochemistry and Molecular Bi 2009 The Journal of biological chemistry Vol.284 No.47
<P>Although selenophosphate synthetase 1 (SPS1/SelD) is an essential gene in Drosophila, its function has not been determined. To elucidate its intracellular role, we targeted the removal of SPS1/SelD mRNA in Drosophila SL2 cells using RNA interference technology that led to the formation of vacuole-like globular structures. Surprisingly, these structures were identified as megamitochondria, and only depolarized mitochondria developed into megamitochondria. The mRNA levels of l(2)01810 and glutamine synthetase 1 (GS1) were increased by SPS1/SelD knockdown. Blocking the expression of GS1 and l(2)01810 completely inhibited the formation of megamitochondria induced by loss of SPS1/SelD activity and decreased the intracellular levels of glutamine to those of control cells suggesting that the elevated level of glutamine is responsible for megamitochondrial formation. Overexpression of GS1 and l(2)01810 had a synergistic effect on the induction of megamitochondrial formation and on the synthesis of glutamine suggesting that l(2)01810 is involved in glutamine synthesis presumably by activating GS1. Our results indicate that, in Drosophila, SPS1/SelD regulates the intracellular glutamine by inhibiting GS1 and l(2)01810 expression and that elevated levels of glutamine lead to a nutritional stress that provides a signal for megamitochondrial formation.</P>
Shim, Myoung Sup,Kim, Jin Young,Lee, Kwang Hee,Jung, Hee Kyoung,Carlson, Bradley A,Xu, Xue-Ming,Hatfield, Dolph L,Lee, Byeong Jae Biochemical Society 2011 The Biochemical journal Vol.439 No.2
<P>l(2)01810 causes glutamine-dependent megamitochondrial formation when it is overexpressed in Drosophila cells. In the present study, we elucidated the function of l(2)01810 during megamitochondrial formation. The overexpression of l(2)01810 and the inhibition of glutamine synthesis showed that l(2)01810 is involved in the accumulation of glutamate. l(2)01810 was predicted to contain transmembrane domains and was found to be localized to the plasma membrane. By using (14)C-labelled glutamate, l(2)01810 was confirmed to uptake glutamate into Drosophila cells with high affinity (K(m)=69.4 μM). Also, l(2)01810 uptakes glutamate in a Na(+)-independent manner. Interestingly, however, this uptake was not inhibited by cystine, which is a competitive inhibitor of Na(+)-independent glutamate transporters, but by aspartate. A signal peptide consisting of 34 amino acid residues targeting to endoplasmic reticulum was predicted at the N-terminus of l(2)01810 and this signal peptide is essential for the protein's localization to the plasma membrane. In addition, l(2)01810 has a conserved functional domain of a vesicular-type glutamate transporter, and Arg(146) in this domain was found to play a key role in glutamate transport and megamitochondrial formation. These results indicate that l(2)01810 is a novel type of glutamate transporter and that glutamate uptake is a rate-limiting step for megamitochondrial formation.</P>
심영수,오명돈,송재훈,이병두,서철원,김병국 대한내과학회 1987 대한내과학회지 Vol.32 No.1
The most dangerous adverse effect ascribed to drug treatment is the blood dyscrasia, the commonest of which is neutropenia. In recent years, reports of agranulocytosis have been related primarily to new drugs or drugs for which a clear causative relationship have not been previously established. Among the anti-tuberculous chemotherapeutic agents, isoniazid, rifampin, ethambutol, para-aminosalicylic acid, and streptomycin have been reported as the cause of drug-induced agranulocytosis. Nowadays pyrazinamide is widely used in the treatment of tuberculosis, but as far as we know, there has been no case record of pyrazinamide-induced agranulocytosis in Korea. Moreover through the extensive review of world-wide medical literature, we found only one case report in which agranulocytosis was developed after the administration of antituberculous agents including pyrazinamide. We have experienced a case of agranulocytosis induced by pyrazinamide and confirmed by a challenge test, thus report this case with literature review.