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벼 원연교잡후대에 있어서 Pgi-1 동위효소 유전자의 이상분리에 관한 유전 연구
나의식 한국유전학회 2000 Genes & Genomics Vol.22 No.1
The purpose of this study was to elucidate the genetic mechanism of the distorted segregation of phosphoglucose isomerase isozyme gene (Pgi-1) in wide crosses. The linkage relationship between the Pgi-1 on chromosome 3 and a new gametophyte gene was estimated in eight F_2 populations. Two Indica varieties (Taichung Native 1 and IR8, all belonging to Pgi-1^(11)) were crossed to Japonica varieties (Taichung 65 and Fujisaka, all belonging to Pgi-1^(22)). The F_1 hybrids which were derived from cross combinations between Indica and Japonica rice were grown in Korea and Taiwan. Distorted segregation of phosphoglucose isomerase gene was found in F_2 populations. The distorted segregation of Pgi-1 was not related to the F_1 sterility and the F_2 seed fertility. The distorted segregation ratios did not significantly vary among F_2 populations derived from F_1 hybrids of the same cross combinations which were grown in different locations. The segregation of Pgi-1 gene in B_1F_1 hybrids derived from the reciprocal backcrosses indicated that the distorted segregation was caused by a new gametophyte gene. The recombination value between Pgi-1 and ga was calculated to be 10.8 ±4.57%.
RT - PCR 을 이용한 BaYMV 와 BaMMV 의 외피단백질 동정과 유전자 염기서열분석
나의식 한국유전학회 2001 Genes & Genomics Vol.23 No.2
Barley yellow mosaic virus (BaYMV) and barley mild mosaic virus (BaMMV) were detected by double antibody sandwich-ELISA in barley (Hordeum vulagre L.) plants with virus-like symptoms collected from eight locations at Buan, Korea. Barley plants were either single- or mix-infected with BaYMV and BaMMV. BaYMV showed higher infection (90.79%) than BaMMV (54.12%). The reverse transcription polymerase chain reaction (RT-PCR) was used for detection and identification of BaYMV and BaMMV. The coat proteins of the two virus was distinguished by two pairs of primes that are s13 and s14, s15 and s17. PCR product for BaYMV was produced from sequences between 1078 and 872 by and that for BaMMV from sequences below 872 bp. The sequencing of three individual DNA clones in pT7Blue vector revealed that BaYMV coat protein contains 297 and BaMMV contains 251 amino acids. Homology of nucleotide and amino acid sequence between coat proteins of BaYMV and BaMMV was 45.6 and 34.9%, respectively. These results suggest that barely viruses BaYMV and BaMMV could be diagnosed rapidly and accurately by using RT-PCR modified primers (BaYMV: s14+s13, BaMMV: s17+s15).
지속적 신대치요법 (Continuous Renal Replacement Therapy)으로 치료받은 급성 신부전증 환자들의 예후 인자
김의식 ( Eui Sik Kim ),함영록 ( Young Rok Ham ),장원익 ( Won Ik Jang ),정지윤 ( Ji Yoon Jung ),권오경 ( O Kyoung Kwon ),정사라 ( Sarah Chung ),최대은 ( Dae Eun Choi ),나기량 ( Ki Ryang Na ),이강욱 ( Kang Wook Lee ),신영태 ( Young 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.1
Purpose: Continuous renal replacement therapy (CRRT) has been used widely for treating critically ill patients with acute renal failure (ARF). We performed this study to identify predictors of mortality in critically ill ARF patients treated with CRRT. Methods: We analyzed the data of 128 patients who were treated with continuous veno-venous he-mofiltration (CVVH) or continuous veno-venous hemodiafiltration (CVVHDF) from May, 2002 to March, 2008. We compared the clinical data of survivors with non-survivors. Results: On univariate analyses of prognostic factors of patients treated with CVVHDF, APACHE II scores (p=0.004), prothrombin time (INR) (p=0.033) and the number of inotropics used (p=0.005) were significantly lower in survivors than those of non-survivors. MAP (p=0.027), diastolic BP (p=0.015) and fibrinogen level (p=0.007) were significantly higher in survivors than those of non-survivors. Multivariate analysis revealed that APACHE II scores and fibrinogen level were the independent factors for the prediction of mortality. And on univariate analyses of prognostic factors of patients treated with CVVH, APACHE II scores (p=0.002) and the number of inotropics used (p=0.006) were significantly lower in survivors than in non-survivors. MAP (p=0.03), systolic BP (p=0.02) and diastolic BP (p=0.03) were significantly higher in survivors than in non-survivors. Multivariate analysis also revealed that APACHE II scores was the only independent factor for the prediction of mortality. Conclusion: This study showed that the independent prognostic factor for mortality in ARF patients treated with CRRT was the APACHE II score.
신증후성 출혈열 후에 발생한 Henoch-Schonlein 자반증성 신염과 비골신경 마비
김의식 ( Eui Sik Kim ),장원익 ( Won Ik Jang ),정지윤 ( Ji Yoon Jung ),정사라 ( Sa Rah Chung ),최대은 ( Dae Eun Choi ),임범진 ( Bum Jin Im ),나기량 ( Ki Ryang Na ),이강욱 ( Kang Wook Lee ),서광선 ( Kwang Sun Suh ),신영태 ( Young Ta 대한신장학회 2009 Kidney Research and Clinical Practice Vol.28 No.6
In the course of hemorrhagic fever with renal syndrome (HFRS), mild neurological symptoms such as headache, vertigo and nausea are common. Peripheral neuropathy in HFRS is very rare. Henoch-Schonlein purpura (HSP) is an immunologically medicated systemic vasculitis of small blood vessels affecting the skin, gastrointestinal tract, joints and kidneys, predominantly. Neurological complications in HSP include headache, focal cerebral deficit, coma, convulsion, subarachnoid hemorrhage and chorea. Peripheral neuropathy is also very rare. However there was no case report about HSP and peroneal nerve palsy after HFRS. With a brief review of the literature, we report a case of HSP and peroneal nerve palsy following HFRS.