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( Bit Na Rae Kim ),( Ja Young Kwon ),( Ye Jin Park ),( Myung Hwa Kang ),( Jong Rak Choi ),( Young Geun Kwon ),( Young Han Kim ),( Yong Won Park ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.8
Objective Nephrin is one of the slit membrane proteins of podocytes in the kidney. It is known that the nephrin is shed in the urine in nephropathy accompanying proteinuira. So the aim of this study was to evaluate the difference in the serum nephrin expression between normal and preeclamptic pregnancies. Methods A total of 20 pregnant women from May to September 2008 who received prenatal care and underwent delivery at our institute participated in the study. The preeclamptic group includes 13 women diagnosed as preeclampsia and a normal group of 7. Their serum were collected before delivery and analyzed by Western blotting for comparing serum nephrin expression. Results There was no difference in age, body weight of pregnant women, blood urea nitrogen, serum creatinine, urine creatinine level and gestational age between two groups. However, preeclampsia group had significantly higher systolic and diastolic blood pressure ( P<0.001), serum soluble fms-like tyrosine kinase-1 level ( P= 0.002), and lower birth weight ( P=0.011). In serum Western blot analysis, serum nephrin was detected in 10 of 13 in preeclampsia women (76.9%) but only in 2 of 7 (28.6%) in normal pregnancy women showing statistically significant difference ( P=0.032). Conclusion A higher prevalence of nephrin expression in the maternal serum was found in the preeclampsia when compared to the normal pregnancy.
Bit-na-rae Kim,Heon-seock Cynn 한국전문물리치료학회 2018 한국전문물리치료학회지 Vol.25 No.3
Background: Progressive muscle weakness is aggravated not only in the skeletal muscles but also in the respiratory muscles in many patients with neuromuscular diseases (NMD). Inspiratory muscle training (IMT) has been reported as therapy for pulmonary rehabilitation to improve respiratory strength, endurance, exercise capacity, and quality of life, and to reduce dyspnea. Objects: The purpose of this study was to determine the effect of playing harmonica for 5 months on pulmonary function by assessing the force vital capacity (FVC), peak cough flow (PCF), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), and maximal voluntary ventilation (MVV) in patients with NMD. Methods: Six subjects with NMD participated in this study. The subjects played harmonica once a week for 2 hours at a harmonica academy and twice a week for 1 hour at home. Thus, training was performed thrice a week for 23 weeks. The examiner assessed pulmonary function by measuring FVC in the sitting and supine positions and PCF, MIP, MEP, and MVV in the sitting position at the beginning of training and once a month for 5 months. Results: Both sitting and supine FVC significantly increased after playing harmonica (p=.042), as did MIP (p=.043) and MEP (p=.042). Conclusion: Playing harmonica can be used as an effective method to improve pulmonary function in patients with NMD.
Bit Na Rae Yun,Sung Min Bae,Jae Bang Choi,Jun Beom Lee,Hee Jung Kim,Yeon Ho Je,Byung Rae Jin,Soo Dong Woo 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
Aujeszky's disease (AD), also called pseudorabies, is an infectious viral disease caused by an alpha herpes virus and has domestic and wild pigs, as well as a wide range of domestic and wild animals, as the natural host. Aujeszky's disease virus (ADV) virions contain several envelope glycoproteins. Among them, glycoproteins gB, gC and gD are regarded as the major immunogenicity proteins and the antibodies induced by them can neutralize virus in vitro or in vivo. In this study, we investigated expression of these glycoproteins using the bacterial and baculovirus expressionn system. Successful expression of ADV glycoproteins in E. coli was confirmed by SDS-PAGE and Western blot analysis and their optimal expression condition was determined. However, the recombinant proteins generated in the bacterial expression system which lacks glycosylation process frequently lose their biological activity. We tried to express the ADV glycoproteins using the baculovirus expression vector system. The recombinant gB, gC and gD were detected at approximately 100, 60 and 50 kDa on SDS-PAGE and Western blotting, respectively. The optimal expression conditions were determined for MOI(multiplicity of infection) and post-infection days. One MOI and 4 or 5 days post-infection were the best conditions for the expression of the ADV glycoproteins in Sf21 cells. We are currently investigating the antigenicity of recombinant proteins using experimental animals.
산과적 출혈의 처치에 있어서 혈관색전술의 적응증과 효과 및 합병증
김민아 ( Min A Kim ),황한성 ( Han Sung Hwang ),김유리 ( Yu Ri Kim ),김빛나래 ( Bit Na Rae Kim ),양은석 ( Eun Suk Yang ),임재학 ( Jae Hak Lim ),김영한 ( Young Han Kim ),박용원 ( Yong Won Park ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.7
Objective: The object of this study was to evaluate the indications, effectiveness and complications associated with arterial embolization as a safe and effective alternative treatment of obstetrical hemorrhage. Methods: From September 1998 to October 2005, 42 patients who had a pregnancy related hemorrhage which did not respond to treatment using obstetric maneuvers and uterotonic drugs were included in our study. The patients underwent angiographic embolization for the management of intractable obstetrical hemorrhage at Department of Obstetrics and Gynecology, Yonsei University Medical Center. All available medical records and telephone interviews were reviewed and detailed to collect adequate clinical data such as clinical status, underlying conditions, amount of transfusion, embolization sites, materials of embolization, hospital stay, the success rate and the complications. Results: We have experienced clinically successful embolization in 40 (95.2%) of 42 patients of obstetrical hemorrhage resulting from various causes. After embolization, the patient`s vital sign was stabilized. The causes of hemorrhage were atony of uterus (n=17), cervical pregnancy (n=5), abnormal placentation (n=5), laceration of uterine cervix and vagina (n=6). The average amount of blood transfusion was 10.3 unit (range; 0-63 unit). The average duration of hospitalization was 7.4 days (range; 4-18 days). We were able to follow up on 32 patients. The main complications after embolization were hypomenorrhea (n=6), numbness of lower extremities (n=3). In all cases menses resumed spontaneously after procedures. Conclusion: The arterial embolization is one of the safe and the effective procedures and offers patients a fertility-preserving alternative to hysterectomy for treatment of intractable postpartum hemorrhage.
Partial Polyhedrin Fusion Expression Enhance the Production of Recombinant Protein in Baculovirus
Sung Min Bae,Bit Na Rae Yun,Jun Beom Lee,Hee Jung Kim,Tae Young Shin,Jae Bang Choi,Yeon Ho Je,Byung Rae Jin,Soo Dong Woo 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
Polyhedrin is the major component of the nuclear viral occlusions produced during replication of the baculovirus Autographa californica multicapsid nuclear polyhedrosis virus (AcMNPV). To enhance the expression level of baculovirus vector system, we constructed several fusion vectors using various fragments of the polyhedrin. The polyhedrin fragments were genetically fused to the enhanced green fluorescent protein (eGFP) under the control of polyhedrin promoter, and their expressions were analyzed in Sf21 insect cells. Expression of the fusion protein was identified by SDS-PAGE and Western blot analysis using anti-GFP and anti-Polyhedrin. The expression level of eGFP was markedly increased by the fusion of partial polyhedrin. Also, the fluorescence intensity of fusion proteins was higher than that of non-fusion protein. Confocal laser scanning microscopy demonstrated that fusion proteins were localized to the cytosol or nucleus of insect cells. In additional, the glycoprotein E2 (gE2) of classical swine fever virus (CSFV) expressed by the these vectors was dramatically increased and its immunogenicity was proofed using experimental animal guinea pigs that were immunized with the partial polyhedrin containing gE2. This study provides a new option for the higher expression of useful foreign recombinant protein by using the partial polyhedrin in BEVS.
Enhanced Expression of the ORF2 Protein of Porcine Circovir Type2 using Baculovirus
Jun Beom Lee,Sung Min Bae,Bit Na Rae Yun,Hee Jung Kim,Jae Bang Choi,Won Il Heo,Tae Young Shin,Yeon Ho Je,Byung Rae Jin,Soo Dong Woo 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
Porcine Circovirus Type2 (PCV2), a single-stranded DNA virus associated with Postweaning multisystemic wasting syndrome(PMWS) of swine, has two major open reading frames, ORF1 and ORF2. The genomic size and molecular weight of ORF2 is respectively 699bp, 28kDa. ORF2 encodes the capsid protein (structural protein) that has type-specific epitopes and is very immunogenic and associated with the induction of neutralizing antibodies, suggesting its potential use in diagnostic assays as well as vaccine development. For efficient production of the capsid proteins, we expressed the PCV2 ORF2 gene with baculovirus in the insect cells. In this study, PCV2 ORF2 was appropriately ligated into the baculovirus transfer vector, pBacPAK9 and pB9-Acpol19-110-EK. Sf21 cells were transfected with a mixture of the purified recombinant transfer vector and bAcGOZA. We generated and purified recombinant viruses containing PCV2 ORF2, and named rAc-B9-PCV2ORF2 and rAc-B9-19-110-EK-PCV2ORF2, respectively. Expression levels of capsid fusion proteins with a partial polyhedrin region of AcNPV more increased than recombinant proteins from non-fusion expressed. Also, expression efficiency increased over time and differed at MOI. As a results, fusion expression of porcine circovirus type2 ORF2 using baculovirus could be utilized as an alternative expression method to produce recombinant antigen against PCV2 infection and is worthy of further investigation.
( Bit Na Rae Yun ),( Sung Min Bae ),( Jun Beom Lee ),( Hee Jung Kim ),( Soo Dong Woo ) 한국잠사학회 2011 International Journal of Industrial Entomology Vol.23 No.1
The Pseudorabies (PR), also called Aujeszky`s disease (AD), is an infectious viral disease caused by an alpha herpes virus and has domestic and wild pigs, as well as a wide range of domestic and wild animals, as the natural host. Pseudorabies virus (PRV) virions contain several envelope glycoproteins. Among them, gB, gC and gD are regarded as the major immunogenic proteins. We expressed these glycoproteins using the bacterial expression system and analyzed recombinant proteins. Expression of glycoproteins gC and gD were observed on SDS-PAGE or Western blot analysis, but gB was not. Optimal concentration of IPTG and inducing time were determined as 1.0 mM and 4 h, respectively, for the expression of both gC and gD in E. coli. A sodium dodecyl sulfate (SDS) was the most efficient detergent in solubilizing insoluble recombinant protein.