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간경변 환자에서 Oro-cecal Transit Time의 측정
원경준,이준,변유미,조민근,조주연,서정균,김영대,박찬국,김만우 朝鮮大學校 附設 醫學硏究所 2008 The Medical Journal of Chosun University Vol.33 No.2
Background: Neurotransmitter like substances in the gut have been proposed to contribute to the overall portal systemic encephalopathy (PSE). The source of the ammonia in patients with PSE is mainly the small bowel, as a result of the conversion of glutamine in the diet to glutamate and ammonia. PSE is highly responsive to changes in diet, to antibiotic therapy and to ingestion of nondigestible disaccharides such as lactulose. This study was performed to evaluate the relationship between PSE and oro-cecal transit time. In addition, performed to evaluate the effect of severity, cause, complications of liver cirrhosis on oro-cecal transit time. Methods: Between August 2006 and February 2007, 48 cirrhotic patients consecutively was enrolled in study their oro-cecal transit time after informed consent was obtained. A non-invasive hydrogen breath test was used to study oro-cecal transit time (OCTT). Result: The OCTT were delayed in cirrhotic patients with PSE compared without PSE (123.3 ± 42.7 min vs 170.0 ± 58.3 min, p<0.05). OCTT tended to prolongate further as the damage in the liver got worse, nevertheless the result was statistically meaningless (p<0.111). Neither presence of ascites or cause of PSE had any influence on gastrointestinal transit. Conclusions: Cirrhotic patients with PSE have more delayed OCTT than without PSE. Further research is needed to find out the relationship between OCTT and severity of liver cirrhosis.
중증 재생불량성 빈혈 환자의 동종골수이식 후에 병발한 간정맥폐색질환(Hepatic Veno-Occlusive Disease)의 임상 경과 및 혈액응고 인자들의 변화
이제환,이규형,최성준,민영주,김신,이정신,김상희,박찬정,지현숙,김우건 대한조혈모세포이식학회 1999 대한조혈모세포이식학회지 Vol.4 No.2
연구배경: 재생불량성 빈혈 경우에는 조혈모세포 이식 후 VOD의 발생에 관한 보고가 거의 없는 실정이다. 저자 등은 cyclophosphamide와 antithymocyte globulin으로 전처치 후에 동종골수이식을 시행한 재생불량성 빈혈 환자들을 대상으로 하여 VOD의 발생과 임상 양상, 혈액응고 인자들의 변화에 관하여 분석하여 보았다. 방법: 재생불량성 빈혈로 동종골수이식을 시행 받은 13예 환자를 대상으로 하였다. 임상적 기준에 따라 VOD를 진단하였으며 임상 경과에 따라서 경중을 분류하였다. Protein C, protein S, antithrombin Ⅲ, tPA, PAI-1 등의 혈액응고 인자들을 전처치 투여전, 골수 주입당일, 이식 후 제7, 14, 21일에 측정하였다. 결과: 7예(53.8%)에서 VOD가 발생하였으며, 경증 5예, 중등도 2예였다. VOD군에서 혈소판치가 20.000/㎕ 이상을 유지하는 데까지 걸리는 시간이 더 길었다(p=0.026). 또한 VOD군에서 적혈구 및 혈소판의 수혈 요구량이 각각 유의하게 많았다(p=0.025, 0.015). 혈액응고 인자들의 변화를 보면, 제 0일에 VOD군에서 PAI-1의 혈중 농도가 유의하게 더 높았다.(p=0.034). 결론: 재생불량성 빈혈환자에서도 조혈모세포 이식 후에 VOD의 높은 발생률을 관찰하였으며, 대부분이 경증이었다. VOD 환자에서의 혈액응고 인자들의 변화는 PAL-1이 VOD의 감별 진단을 위하여 이용될 수 있음을 시사하고 있다. Background: There are few reports about the occurrence of hepatic veno-occlusive disease(VOD) after bone marrow transplantation (BMT) for severe aplastic anemia (SAA). We analyzed the incidence and clinical outcomes of VOD and changes of coagulation factors in patients with SAA who were conditioned with cyclophosphamide plus ATG and underwent allogeneic BMT. Methods: Thirteen patients with SAA who underwent allogeneic BMT were included. A diagnosis of VOD was made according to clinical criteria, and severity of VOD was classified according to clinical course. Plasma levels of protein C, protein S, antithrombin Ⅲ, t-PA, and PAI-1 were determined before preparative chemotherapy, in the day of marrow infusion, and days 7, 14, and 21. Results: VOD occurred in 7/13(53.8%). Five were mild VOD and two were moderate VOD. Time to platelet ≥20,000/L was slower (p=0.026) and red cell and platelet transfusion requirements were higher (p=0.025,0.015) in patients with VOD . The mean plasma level of PAI-1 at 0 were higher in patients with VOD (p=0.034). Conclusion: We observed the high incidence of VOD after allogeneic BMT in patients with SAA. A majority of cases of VOD were mild. The changes of PAI-1 after BMT may be useful marker of hepatic VOD
Park, Hae-il,Min, Won-Ki,Lee, Woochang,Park, Hyosoon,Park, Chan-Jeoung,Chi, Hyun-Sook,Chun, Sail Institute for Clinical Science] 2008 Annals of clinical and laboratory science Vol.38 No.2
<P>Physicians need to respond to critical value alerts in a timely and appropriate manner. We evaluated the clinical usefulness of a short message service (SMS) system for notifying physicians of critical values by sending a text message to their personal data assistant (PDA) phones. The clinical response times and clinical response rates to notifications of critical hyperkalemia in inpatients in 2001, when the callback system alone was used to alert physicians, were compared to those in 2005, when the SMS alert system was used in addition to the callback system. The clinical response time to SMS alerts of critical hyperkalemia sent to PDA phones in 2005 was remarkably shorter than the response time to alerts sent using the callback system alone in 2001. With the help of the SMS system for sending critical value alerts to PDA phones, corrective actions could be taken more promptly and patient care was improved.</P>
PARK, CHAN HEE,KANG, NAM JUN,UM, SUNG KYUN,KANG, SEONG MO,CHO, JEOUNG LAI,PARK, JOONG CHOON 경상대학교 유전공학연구소 1990 遺傳工學硏究所報 Vol.9 No.-
Tomato plants were regenerated from callus-derived protoplasts. Plants regeneration depended on the genotypes and the kinds of callus growth media. A good shoot formation was obtained from the callus of PI 1999380 grown in a 2,4-D mediu, added. Also the best shoot formation was obtained with 2.0㎎/l zeatin alone. The M-MS medium supplemented with 0.5㎎/l BAP and 1.0㎎/l NAA increased plating efficiency of potato protoplasts. Hybrid-microcolony was obtained from the fused protoplasts. Tomato protoplasts co-cultivated with potato leaf DNA proliferated to calli.
PARK, CHAN HEE,KANG,NAM JUN,UM, SUNG KYUN,KANG, SEONG MO,CHO, JEOUNG LAI,KIM, ZHOO HYEON,PARK, JOONG CHOON 경상대학교 유전공학연구소 1989 遺傳工學硏究所報 Vol.8 No.-
Tomato protoplasts were cultured to microcalli in an agarose system. The plating efficiency was high in Ailsa Craig and Mill, and low in Red Cherry. The development of an agarose culture method reduced the amount of work needed to change the culture medium involved in conventional liquid culture system. Tomato protoplasts isolated from two different species were fused with polyethylene glycol, and calli were obtained from the fused protoplasts. A successful cell division and colony formation was obtained from the protoplasts isolated from tomatoes and co-cultivated with the DNA isolated from potato leaves. Using a liquid culture medium combined with filter paper wicks effective in reducing the contamination problem to culture pepper anthers. The highest(41%) callus formation was obtained by using the Sibi et al medium, but only when supplemented the medium with 10 ppm IAA, 5 ppm 2,4-D and 10 ppm kinetin. Among the progenies from radish transformants initially obtained by microinjection of foreign DNA, the test fro the genetic stability of the expression of hypocotyl color indicated that all forty progenies from one transformant were of DNA donor type up to the third generation. It is conclueded that the microinjection of foreign DNA could be used to induce genetic transformation of crop plants.