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Hui Jung Cha,Yun Pyo Choi,Tae Gyu Bok,Mon Sub Lee,Won Sik Shin,Hyun Gu Choi,Yang Hui Jo,Hee Bong Lee 한국작물학회 2010 한국작물학회 학술발표대회 논문집 Vol.2010 No.04
This study was carried out to gain the basic informations about botanical characteristics of plant type and properties related to table quality for developing the new colored waxy corn hybrid. Materials used were produced by our laboratory in 2007 and their major traits were evaluated fro two years(2008 to 2009) at Corn Breeding Farm of Coll. of Agri. & Life in CNU. Items surveyed were major agricultural characteristics including ear length and traits related to edible. Botanical characteristics as a plant type and ear pattern of the developed waxy corn hybrids showed large ranges among them; stem height of CNU08H-h39 among used hybrids was the highest as 235.7cm, while CNUH08-15 was the lowest. Ear height of Daehackchal Gold 1 was the highest as 83.7cm and that of CNU08H-15 was the lowest among used hybrids. Ear length of CNU08H-h121 among used hybrids was the longest as 23.1cm, while that of CNU08H-71 was the smallest as 12.7cm. Kernel sugar content of the used hybrids appeared to be 16.1 to 13.0Brix(%). Especially, CNU08H-15, CNU08H-35 and CNU08H-h39 hybrids were highly appeared as 15 above. Pericarp thickness of check hybrid, Yeonongchal, was thicker as 46.0㎛, while that of CNU08H-39 compared to other hybrids showed the thinnest as 23.0㎛. From this study, we could obtain several superior colored hybrids with thinner pericarp and high sugar contents like CNU 08-39 and CNU 08-h121 hybrids. Accordingly, these hybrids will be apply as new developed variety through confirmed trials.
( Ran Hui Cha ),( Ha Jeong Lee ),( Soo Hee Kim ),( Eun Jung Jung ),( Kyung Chul Moon ),( Yon Su Kim ) 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.1
We report a case of microscopic polyangiitis, presenting with rapidly progressive glomerulonephritis, neuropsychiatric abnormalities, and urticarial vasculitis. A 65-year-old woman reported loss of appetite, significant weight loss, and a transient history of veering tendency. She was presented with a mild fever, cough, and sputum. Routine laboratory test revealed anemia, leukocytosis with a left shift, azotemia, and elevated highly sensitive C-reactive protein. The bilateral kidneys were observed to be enlarged (right kidney 16.3 cm, left kidney 18.2 cm) on an abdominal computed tomography. The perinuclear anti-neutrophil cytoplasmic antibody (p-ANCA) titer was >1:640 and MPO-ANCA was positive. Her chief complaints consisted of character change, visual illusion, and hearing loss. A skin rash with a bullous change resembling urticaria was further developed. Kidney biopsy demonstrated pauci-immune diffuse crescentic glomerulonephritis. Skin biopsy was compatible with urticarial vasculitis. Having received intravenous cyclophosphamide and oral prednisolone, she showed sustained improvement in renal function, as well as her neuropsychiatric symptoms and skin rash.
( Ran-hui Cha ),( Shin Wook Kang ),( Cheol Whee Park ),( Dae Ryong Cha ),( Ki Young Na ),( Sung Gyun Kim ),( Sun Ae Yoon ),( Sejoong Kim ),( Sang Youb Han ),( Jung Hwan Park ),( Jae Hyun Chang ),( Chu 대한신장학회 2017 Kidney Research and Clinical Practice Vol.36 No.1
Background: We investigated the long-term effect of AST-120, which has been proposed as a therapeutic option against renal disease progression, in patients with advanced chronic kidney disease (CKD). Methods: We performed post-hoc analysis with a per-protocol group of the K-STAR study (Kremezin study against renal disease progression in Korea) that randomized participants into an AST-120 and a control arm. Patients in the AST-120 arm were given 6 g of AST-120 in three divided doses, and those in both arms received standard conventional treatment. Results: The two arms did not differ significantly in the occurrence of composite primary outcomes (log-rank P = 0.41). For AST-120 patients with higher compliance, there were fewer composite primary outcomes: intermediate tertile hazard ratio (HR) 0.62, 95% confidence interval (CI) 0.38 to 1.01, P = 0.05; highest tertile HR 0.436, 95% CI 0.25 to 0.76, P = 0.003. The estimated glomerular filtration rate level was more stable in the AST-120 arm, especially in diabetic patients. At one year, the AST-120-induced decrease in the serum indoxyl sulfate concentration inversely correlated with the occurrence of composite primary outcomes: second tertile HR 1.59, 95% CI 0.82 to 3.07, P = 0.17; third tertile HR 2.11, 95% CI 1.07 to 4.17, P = 0.031. Furthermore, AST-120 showed a protective effect against the major cardiovascular adverse events (HR 0.51, 95% CI 0.26 to 0.99, P = 0.046). Conclusion: Long-term use of AST-120 has potential for renal protection, especially in diabetic patients, as well as cardiovascular benefits. Reduction of the serum indoxyl sulfate level may be used to identify patients who would benefit from AST-120 administration.
Ran-hui Cha,Su Hyun Kim,Eun Hui Bae,유민아,Beom Soon Choi,최훈영,Sun Woo Kang,Jung-Ho Shin,한상엽,양철우,강덕희 대한신장학회 2019 Kidney Research and Clinical Practice Vol.38 No.3
Background: Hyperuricemia is associated with the development and progression of chronic kidney disease (CKD) as well as cardiovascular diseases. However, there is no consistent recommendation regarding the treatment of asymptomatic hyperuricemia (AHU) in CKD patients. Here, we surveyed Korean physicians’ perceptions regarding the diagnosis and management of AHU in CKD patients. Methods: Questionnaires on the management of AHU in CKD patients were emailed to regular members registered with the Korean Society of Nephrology. Results: A total of 158 members answered the questionnaire. Among the respondents, 49.4%/41.1% were considered hyperuricemic in male CKD patients whereas 36.7%/20.9% were considered hyperuricemic in female CKD patients when defined by serum uric acid level over 7.0/8.0 mg/dL, respectively. A total of 80.4% reported treating AHU in CKD patients. The most important reasons to treat AHU in CKD patients were renal function preservation followed by cerebro-cardiac protection. Majority of respondents (59.5%) thought that uric acid-lowering agents (ULAs) were the most effective method for controlling serum uric acid levels. Approximately 80% chose febuxostat as the preferred medication. A total of 32.3% and 31.0%, respectively, initiated ULA treatment if the serumuric acid level was more than 8.0 or 9.0 mg/dL, respectively. In addition, 39.2% and 30.4% answered that target serum uric acid levels of less than 6.0 or 7.0 mg/dL, respectively, were appropriate. The two major hurdles to prescribing ULAs were concerns of adverse reactions and the existing lack of evidence (i.e., the absence of Korean guidelines). Conclusion: Most Korean physicians treat AHU in CKD patients to prevent CKD progression and cerebrocardiovascular complications.
Cha, Ji Young,Jung, Ji Yun,Jung, Jae Yup,Lee, Jong Rok,Cho, Il Je,Ku, Sae Kwang,Byun, Sung Hui,Ahn, Yong-Tae,Lee, Chul Won,Kim, Sang Chan,An, Won G. Hindawi Publishing Corporation 2013 Evidence-based Complementary and Alternative Medic Vol.2013 No.-
<P>Pyungwi-san (PWS) is a traditional basic herbal formula. We investigated the effects of PWS on induction of cyclooxygenase-2 (COX-2), inducible nitric oxide synthase (iNOS), pro-inflammatory cytokines (interleukin-6 (IL-6) and tumor necrosis factor-<I><I>α</I></I> (TNF-<I><I>α</I></I>)) and nuclear factor-kappa B (NF-<I><I>κ</I></I>B) as well as mitogen-activated protein kinases (MAPKs) in lipopolysaccharide-(LPS-) induced Raw 264.7 cells and on paw edema in rats. Treatment with PWS (0.5, 0.75, and 1 mg/mL) resulted in inhibited levels of expression of LPS-induced COX-2, iNOS, NF-<I><I>κ</I></I>B, and MAPKs as well as production of prostaglandin E<SUB>2</SUB> (PGE<SUB>2</SUB>), nitric oxide (NO), IL-6, and TNF-<I><I>α</I></I> induced by LPS. Our results demonstrate that PWS possesses anti-inflammatory activities via decreasing production of pro-inflammatory mediators through suppression of the signaling pathways of NF-<I><I>κ</I></I>B and MAPKs in LPS-induced macrophage cells. More importantly, results of the carrageenan-(CA-) induced paw edema demonstrate an anti-edema effect of PWS. In addition, it is considered that PWS also inhibits the acute edematous inflammations through suppression of mast cell degranulations and inflammatory mediators, including COX-2, iNOS and TNF-<I><I>α</I></I>. Thus, our findings may provide scientific evidence to explain the anti-inflammatory properties of PWS <I>in vitro</I> and <I>in vivo</I>.</P>
Cha, Ran-Hui,Lee, Hajeong,Lee, Jung Pyo,Kang, Eunjeong,Song, Young Rim,Kim, Yon Su,Kim, Sung Gyun Wolters Kluwer Health, Inc. All rights reserved. 2017 Journal of hypertension Vol.35 No.3
<P>Conclusions: A large majority of Korean hypertensive CKD patients had uncontrolled BP and abnormal dipping patterns. Furthermore, better BP control and dipping status changes were associated with better renal function and proteinuria, and also less cardio-cerebrovascular damages.</P>
( Ran-hui Cha ),( Hajeong Lee ),( Jung Pyo Lee ),( Young Rim Song ),( Sung Gyun Kim ),( Yon Su Kim ) 대한신장학회 2017 Kidney Research and Clinical Practice Vol.36 No.4
Background: Blood pressure (BP) control is the most-established method for the prevention of chronic kidney disease (CKD) progression. However, the ideal BP target for CKD patients is still under debate. Methods: We performed a survey of regular registered members of the Korean Society of Nephrology to determine physician perceptions of BP control in patients with CKD. In addition, we evaluated the target BP achievement rate using data from the APrODiTe-2 study. Results: Two-thirds of physicians considered the target BP for CKD to be < 130/85 mmHg. The systolic BP (SBP) thresholds for diabetic CKD, proteinuria ≥ 300 mg/day, 30 ≤ glomerular filtration rate (GFR) < 60 mL/min/1.73 m<sup>2</sup>, age < 60 years, and the presence of atherosclerotic (ASO) complications were significantly lower than the SBP thresholds of the opposite parameters. The three major hurdles to controlling BP were non-compliance with lifestyle modification and medications, and self-report of well-controlled home BP. Most physicians prescribed home and ambulatory BP monitoring to less than 50% of their patients. The target BP achievement rates using the SBP thresholds in this survey were as follows: non-diabetic (69.3%); diabetic (29.5%); proteinuria < 300 mg/day (72.3%); proteinuria > 300 mg/day (33.7%); GFR ≥ 60 (76.4%); GFR < 30 (47.8%); no evidence of ASO (67.8%); and the presence of ASO (42.9%). Conclusion: The target BP was lower in patients with higher cerebro-cardiovascular risks. These patient groups also showed lower target BP achievement rates. We also found a relatively lower application and clinical reflection rate of home or ambulatory BP monitoring.
교육 및 기술 불일치가 임금, 직무 만족, 이직 의도에 미치는 영향 분석
차성현(Cha, Sung-Hyun),주휘정(Chu, Hui-jung) 韓國敎育財政經濟學會 2010 敎育財政 經濟硏究 Vol.19 No.3
본 연구는 2년제 이상의 대학 졸업자들을 대상으로 직무에 대한 교육 및 기술 불일치가 임금, 직무 만족, 그리고 이직 의도 등의 노동시장의 결과에 미치는 영향을 한국고용정보원의 2007 대졸자 직업이동경로 조사 자료를 활용하여 분석하였다. 특히, 교육 불일치 연구에서 잘 다루어지지 않았던 기 술 불일치에 초점을 맞추어 교육 불일치의 노동시장 결과에 대한 영향력에 대해 기술 불일치가 어느 정도 영향을 미치는지를 분석하였다. 연구결과 첫 째, 4년제 대학졸업자는 2년제 대학졸업자에 비해 약 19% 정도의 임금프리 미엄이 있는 것으로 분석되었다. 둘째, 임금, 직무 만족에 대해 과잉교육과 과잉기술은 모두 부적인 영향 관계에 있는 것으로 나타났으며, 이직 의도에 대해서는 임금, 직무 만족, 노동시장 변수에 관계없이 유의미한 영향력을 미 치는 것으로 나타났다. 셋째, 기술 불일치 변수를 통제하였을 때, 과잉교육 이 임금, 직무 만족, 이직 의도에 대해 미치는 영향력은 모두 감소하는 것으 로 나타났다. 이는 임금, 직무 만족, 이직 의도에 대한 과잉교육의 영향력이 일정 부분 과잉기술에 의해 설명되고 있음을 의미한다. 따라서 신규 대졸자 의 교육과 직무의 일치성을 증진시키기 위한 대학교육과 신규 대졸자를 위 한 노동시장의 유연화 방안이 요청된다. The purpose of this study is to examine the effect of new college graduates' job match on labor market outcomes. Analyzing 2007 Graduate Occupation Mobility Survey I (GOMS1) data, we kept focus on skill match, which scholars interested in education and job match have paid little attention and we investigated how much skill mismatch would explain the impact of education on labor market outcomes. The result of the study suggested as followings; first, four year college graduates earned 19% more than two year ones did. The years of education in college engendered a sizable wage gap which give explanation for current zeal for transfer from two to four year university in Korea; second, both overeducation and overskill had negative effect on wage, job satisfaction, and intention to leave but the less educated and skilled graduates did not reveal statistically significant effects and; third, controlling for skill match to examine the relationship between overeducation and overskill, it was found that overskill explained the effect of overeducation on wage, job satisfaction, and intention to leave up to 31.76%, 26%, 44.8% respectively. Based on the study results, we discussed job education in college, matching college education with social and economic needs, flexibility in labor market for new college graduates.