• Title/Summary/Keyword: Transplant

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Biventricular Repair after Bilateral Pulmonary Artery Banding as a Rescue Procedure for a Neonate with Hypoplastic Left Heart Complex

  • Yun, Jae Kwang;Bang, Ji Hyun;Kim, Young Hwee;Goo, Hyun Woo;Park, Jeong-Jun
    • Journal of Chest Surgery
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    • v.49 no.2
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    • pp.107-111
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    • 2016
  • Hypoplastic left heart complex (HLHC) consists of less severe underdevelopment of the left ventricle without intrinsic left valvular stenosis, i.e., a subset of hypoplastic left heart syndrome (HLHS). HLHC patients may be able to undergo biventricular repair, while HLHS requires single ventricle palliation (or transplant). However, there is no consensus regarding the likelihood of favorable outcomes in neonates with HLHC selected to undergo this surgical approach. This case report describes a neonate with HLHC, co-arctation of the aorta (CoA), and patent ductus arteriosus (PDA) who was initially palliated using bilateral pulmonary artery banding due to unstable ductus-dependent circulation. A postoperative echocardiogram showed newly appearing CoA and progressively narrowing PDA, which resulted in the need for biventricular repair 21 days following the palliation surgery. The patient was discharged on postoperative day 13 without complications and is doing clinically well seven months after surgery.

Prognostic Relevance of Human Telomerase Reverse Transcriptase (hTERT) Expression in Patients with Gall Bladder Disease and Carcinoma

  • Deblakshmi, Raj Kumari;Deka, Manab;Saikia, Anjan Kumar;Sharma, Bir Kumar;Singh, Nidhi;Das, NN;Bose, Sujoy
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.7
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    • pp.2923-2928
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    • 2015
  • Background: Gallbladder carcinoma (GBC) has been stated as an Indian disease, with the highest number of cases being reported from certain districts of northeast India, which has an ethnically distinct population. Unfortunately there are no scientific reports on the underlying molecular mechanisms associated with the pathogenesis of the disease from this region. Aim: The present study evaluated the role of differential expression of human telomerase reverse transcriptase (hTERT) in the development of gall bladder anomalies. Materials and Methods: Blood and tissue samples were collected from patients undergoing routine surgical resection for clinically proven cases of gallbladder disease {cholelithiasis (CL, n=50), cholecystitis (CS, n=40) and GBC (n=30) along with adjacent histopathologically proved non-neoplastic controls (n=15)} with informed consent. Whole blood was also collected from age and sex matched healthy controls (n=25) for comparative analysis. Differential hTERT mRNA expression was evaluated by semi-quantitative rt-PCR and real-time PCR based analysis using ${\beta}$-actin as an internal control. Evaluation of differential hTERT protein expression was studied by Western blot analysis and immunoflourescence. Statistical analysis for differential expression and co-relation was performed by SPSSv13.0 software. Results: Gallbladder anomalies were mostly prevalent in females. The hTERT mRNA and protein expression increased gradiently from normal

Production, Characterization, and Variable Region Analysis of Monoclonal Antibodies Specific for Hepatitis B Virus S Antigen (Hepatitis B Virus의 S항원에 특이적인 단세포군 항체 생산, 특성 연구 및 가변지역유전자 분석)

  • Song, Moo-Young;Kim, Chang-Seok;Park, Sang-Koo;Lee, Jae-Sun;Yoo, Tae-Hyoung;Ko, In-Young
    • IMMUNE NETWORK
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    • v.3 no.4
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    • pp.281-286
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    • 2003
  • Background: Hepatitis B virus (HBV) infection is one of the worldwide public health problem affecting about 300 million people. The envelope protein of HBV consists of three components known as preS1, preS2, and S antigen. According to the recent study, anti-HBs Ab showed effective neutralization ability against HBV from chronic hepatitis B and liver transplant patients, suggesting the possible development of therapeutic antibody. Methods: Spleen cells immunized with S antigen of HBV were fused with myeloma cell line to obtain HBsAg specific monoclonal antibodies. High affinity antibodies against HBsAg (adr, ad and ay type) were selected by competitive ELISA method. Nucleotide sequence of the variable regions of monoclonal antibodies was analyzed by RT-PCR followed by conventional sequencing method. Results: We produced 14 murine monoclonal antibodies which recognize S antigen of HBV. Two of them, A9-11 and C6-9 showed the highest affinity. The sequence analysis of A9-11 revealed that variable regions of the heavy chain and light chains are members of mouse heavy chain I (B) and light chain lambda 1, respectively. Likewise, the sequence analysis of C6-9 revealed that variable regions of the heavy chain and light chains are members of mouse heavy chain II (B) and light chain kappa 1, respectively. Neutralization assay showed that A9-11 and C6-9 effectively neutralize the HBV infection. Conclusion: These results suggest that A9-11 and C6-9 mouse monoclonal antibodies can be used for the development of therapeutic antibody for HBV infection.

'Kresek' Disease in Korea III. Varietal Resistance, and Relationship among Pathotype, Multiplication in the Tissue and Disease Development (한국에 있어서의 'Kresek'에 관한 연구 III. 품종저항성 및 균주에 따른 도체내에서의 균증식과 발병과의 관계)

  • Choi Y. C.;Cho Y. S.
    • Korean journal of applied entomology
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    • v.19 no.1 s.42
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    • pp.51-55
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    • 1980
  • The study has been carried to confirm pathogenesity among the isolates which obtained from leaf blight type symptoms and Kresek type symptoms, and also to observe varietal resistance among 29 varieties and/or lines through the introduction of two different pathotypes, of Xanthomonas oryzae, by the use of root clipping and pin prick methods. There was no significant differences among the isolates when their growth in plant tissue were compared. There was certain tendency, however, that the isolates from Kreseked plants showed longer lesion than those from blight type lesions. Both isolates from blight type and Kresek type induced the same degree of Kresek syptoms when they were introduced into plants by root cutting in the suspension prior to transplant. Varietal resistance to 'Kresek' appeared to be the same with those on leaf blight type though Wase Aikoku group varieties showed Kresek symptoms which is not the case with leaf blight type. IR 20 in Kogyoku group varieties showed highly resistant reaction to Kresek type. Root clipping method induced the more of Kresek than those by pin pricking method.

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Evaluation of Resistance to Biochemical Corrosion by Simulation Test (시뮬레이션 시험에 의한 생화학적 부식 저항성 평가)

  • Kim, Gyu-Yong;Lee, Eui-Bae
    • Proceedings of the Korea Concrete Institute Conference
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    • 2008.11a
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    • pp.903-906
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    • 2008
  • To analyze the growth of SOB (Thiobacillus novellus) and biochemical corrosion of concrete, simulation test method and device were developed. And two types of simulation tests were conducted according to a transplant method and a concentration of H2SO4. As a result, the SOB growth in distinct manners and antibiosis of specimen were observed. In the case of the specimens indirectly transplanted with SOB through culture solution submersion at a hydrogen sulfide level of 120ppm, the rapid activation of SOB and the resulting sulfuric acid production were observed. However, SOB were shown to grow rapidly and then die out in a relative short period of time. Meanwhile, in the case of the specimens directly transplanted with SOB at a hydrogen sulfide level of 50ppm, the long-term growth of SOB was possible, but the production of sulfuric acid by SOB did not progress. In the case of the antibiotic metal-mixed specimens, SOB with destroyed cell membranes and internal organizations were observed.

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Segmentation and 3-Dimensional Reconstruction of Liver using MeVisLab (MeVisLab을 이용한 간 영역 분할 및 3차원 재구성)

  • Shin, Min-Jun;Kim, Do-Yeon
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.16 no.8
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    • pp.1765-1772
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    • 2012
  • Success rate of transplantation of body organs improved due to development of medical equipment and diagnostic technology. In particular, a liver transplant due to liver dysfunction has increased. With the development of image processing and analysis to obtain the volume for liver transplantation have increased the accuracy and efficiency. In this thesis, we try to reconstruct the regions of the liver within three dimensional images using the mevislab tool, which is effective in quick comparison and analysis of various algorithms, and in expedient development of prototypes. Liver is divided by applying threshold values and region growing method to the original image, and by removing noise and unnecessary entities through morphology and region filling, and setting of areas of interest. It is deemed that high temporal efficiency, and presentation of diverse range of comparison and analysis module application methods through usage of MeVisLab would make contribution towards expanding of baseline of medical image processing researches.

Effect on Plant Growth, Fruit Elongation and Quality by Rootstock Sort of Oriental Melon (Cucumis melo L. var. makuwa Makino) (대목의 종류가 참외의 생장, 과실비대 및 품질 미치는 영향)

  • Shin, Yong-Seub;Seo, Young-Jin;Yeon, Il-Kweon;Do, Han-Woo;Lee, Ji-Eun;Choi, Chung-Don;Park, So-Deuk;Kim, Byung-Soo
    • Journal of Bio-Environment Control
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    • v.15 no.4
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    • pp.358-363
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    • 2006
  • Results on growth and fruit elongation and quality by rootstock sort of oriental melon were followed; Growth of upper part of oriental melon was faster grafted seedlings than self-root seedlings and among grafted seedlings, Elite and Shintozoa rootstocks were better than Hongtozoa. Growth of Elite and Shintozoa rootstocks, stem length and leaf number, were laster after 30 days of seedling transplant. Fruit elongation had no difference in rootstocks sort. Fruit weight was higher Elite and Shintozoa grafted seedlings than self-root seedlings but soluble solid contents of fruit was higher self root seedlings, $13.9^{\circ}Brix$, than Elite grafted seedlings, $12.5^{\circ}Brix$.

Successful Treatment with Partial Splenic Embolization in a Case of Post-transplantations Lymphoproliferative Disease with Persistent Hypersplenism (림프세포증식성 질환에서 효과를 보인 부분적 비동맥 색전술 1례)

  • Kim, Mi Jin;Rho, Young Il;Yang, Eun Seok;Moon, Kyung Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.7 no.1
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    • pp.92-97
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    • 2004
  • Posttranplantations lymphoproliferative disease (PTLD) is a common and life-threatening complication for soid organ transplantation associated with the use of chronic immunosuppression and Epstein-Barr virus. There is no standardized treatment algorithm, but numerous management strategies are vaiable. Partial splenic embolization (PSE) had been demonstrated to be an effetive alternatie to splenectomy for patients hypersplenism and portal hypertension. PSE has the advantages of non-invasive intervention and resolution of the complications of hypersplenism. We report the effect of the PSE in a 6-year old male liver transplantation recepient with PTLD who has undergone persistent hypersplenism post-transplant. We reduced immunosuppression agent, started antiviral agent. We started with interferon and IV globulin one month after admission. Hepatosplenomegaly and cervical lymphadenopathy were improved. But fever was not subside. We selectively embolized the lower pole of the spleen to achieve a 50~60% reduction in flow as determined by angiography. After embolization, fever subside and peripheral blood findings were improved. Follow up abdominal CT revealed reduced volume of spleen due to ischemic change and there was no multiple enlarged mesenteric lymphnode compared to preembolization state. We thick that PSE is a safe an effetive treatment modality of PTLD with persistent hypersplenism in patients twho failed to medical treatment.

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Photo Epilation with Intense Pulsed Light for Thinning of Anterior Hairline after Hairline Correction Surgery in East Asians

  • Park, Jae Hyun;Lee, Seung Yong;You, Seung Hyun;Kim, Na Rae
    • Archives of Plastic Surgery
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    • v.44 no.2
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    • pp.157-161
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    • 2017
  • Background Thin hairs are critical to achieve natural result in female hairline correction surgery. However, there are few studies on the usefulness of hair thinning by intense pulsed light (IPL) after hairline correction surgery in East Asian females. Methods Hair thinning using IPL was performed in 54 women who had complained about thick hairs along the frontal hairline after hairline correction surgery. Patient mean age was 31.2 years old and patients were an average of 2.1 years post-hairline correction surgery. Initial treatment used 10 J, while second and third sessions were conducted with 10 to 15 J according to responsiveness to treatment. Results Mean thickness of individual hairs assessed before the procedure was $78.86{\mu}m$. The mean number of procedures was 1.6 per patient. Forty of 54 subjects (74%) achieved satisfactory hair thinning with only one procedure from 78.01 to $66.14{\mu}m$ after treatment. The measured thickness was $66.43{\mu}m$ at the end of the first year in patients who were satisfied after one procedure. Thirteen cases achieved satisfactory hair thinning after two sessions. Mean thickness was $74.44{\mu}m$ and $67.51{\mu}m$, before and after the second session. One case required a third session with 15J, thinning from 89.00 to $66.50{\mu}m$. Conclusions Hair thinning by IPL is a very useful method to provide a natural look after hairline correction surgery in East Asians, who have naturally thick hair.

STUDIES ON PRODUCTION AND EFFICIENT UTILIZATION OF LIVESTOCK EMBRYOS BY IN VITRO FERTILIZATION AND MICROMANIPULATION IV. NUCLEAR TRANSPLANTATION AND ELECTROFUSION FOR CLONING IN BOVINE FOLLICULAR OOCYTES

  • Chung, Y.C.;Kim, C.K.;Song, X.X.;Yoon, J.T.;Choi, S.H.;Chung, Y.H.
    • Asian-Australasian Journal of Animal Sciences
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    • v.8 no.6
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    • pp.641-645
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    • 1995
  • This study was conducted to develop a method for production of nuclear transplant bovine embryos using in vitro-matured (IVM) oocytes and to examine the effect of different conditions of electrofusion on fusion rate and developmental capacity of donor nucleus transplanted to enucleated oocytes. Eight- to sixteen-cell embryos derived from oocytes matured and fertilized in vitro used as donor blastomeres and IVM oocytes were used as recipient oocytes. Oocytes were enucleated immediately after 23-24 h IVM and then reconstituted with a donor blastomere in two different micromanipulation media. Fusion rate and subsequent development of the reconstituted oocytes was compared under the different electric stimuli and recipient oocyte ages. Success rate of enucleation was significantly higher in TCM-199 medium containing FCS than in DPBS. The high fusion rate(75-94%) and development (6.4-14.8%) to morulae and blastocyst (M + B) were obtained from 0.6-0.75 kV/cm DC voltage, although total cleavage was not different among the electric pulses. Most optimal condition of electric stimulation for fusion and development was 1 DC voltage of 0.75 kV/cm, in which 80.5% of oocytes were fused, 80.0% and 31.7% of which was cleaved and developed to M + B, respectively. No M + B was obtained from 1.2 kV/cm DC voltage regardless of pulse frequency. Recipint oocyte age at electrofusion greatly affected the cleavage and subsequent development to M + B, showing high rate at 40-41 h oocyte maturation. These results suggest that a suitable condition of electrofusion for donor nuclei derived from IVF may be 1-2 DC pulses of 0.7 kV/cm for $70{\mu}sec$ and that processing of a transplanted nucleus in IVM oocytes may be affected by maturation age of recipient oocytes.