• 제목/요약/키워드: Repeat Response

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The design for therapeutic agents of Leucine Rich Repeat protein using bioinformatics

  • Kim, Seong Yeol;Park, Beom Seok
    • International Journal of Advanced Culture Technology
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    • 제7권4호
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    • pp.156-162
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    • 2019
  • Rheumatoid arthritis (RA) is a chronic autoimmune disorder characterized by progressive joint deterioration; Furthermore, RA can also affect body tissues, including the skin, eyes, lungs, heart and blood vessels. The early stages of RA can be difficult to diagnose because the signs and symptoms mimic those of many other diseases. It is not known exactly what triggers the onset of RA and how to cure the disease. But recent discoveries indicate that remission of symptoms is more likely when treatment begins early with strong medications known as disease-modifying anti-rheumatic drugs (DMARDs). Tumor necrosis factor (TNF) inhibitors are typical examples of biotherapies that have been developed for RA. The substances may occur naturally in the body or may be made in the laboratory. Other biological therapies care biological response modifiers (BRMs)such as monoclonal antibodies, interferon, interleukin-2 (IL-2) and a protein binder using repeat units. These substances play significant anti-inflammatory roles. Proteins with recurrent, conserved amino acid stretches mediate interactions among proteins for essential biological functions; for example, ankyrin (ANK), Heat repeat protein (HEAT), armadillo repeat protein (ARM) and tetratricopeptide repeats (TPR). Here, we describe Leucine rich repeats (LRR) that ideally fold together to form a solenoid protein domain and is more applicable to our current study than the previously mentioned examples. Although BRMs have limitations in terms of immunogenicity and effector functions, among other factors, in the context therapeutic use and for proteomics research, We has become clear that repeat-unit-derived binding proteins will increasingly be used in biotechnology and medicine.

건설공사 위험대응 반복 프로세스 모델 (A Model of the Risk Response Repeat Process in the Construction Project)

  • 김선규
    • 한국건설관리학회논문집
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    • 제3권1호
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    • pp.107-114
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    • 2002
  • 최근 들어 국내 대형건설회사들을 중심으로 위험관리체계에 대한 관심이 급증하고 있으며, 각 회사들은 위험관리체계를 건설공사에 적용하기 위하여 많은 노력을 기울이고 있다. 그러나 기존의 외국 공공기관에서 적용되었던 위험관리 방법론들은 위험관리 프로세스가 일회성으로 완료되고, 프로젝트 관리자의 개인적 판단에 크게 의존하는 측면이 강하여, 이를 국내 건설공사에 적용할 경우 많은 문제점이 있는 것으로 분석되었다. 본 연구의 목적은 건설환경에 더욱 적합하고, 실용적인 위험관리 방법론으로 잔여위험을 고려한 위험대응 프로세스 모델을 제안하는 것이다. 이러한 프로세스는 특정 위험요인에 대한 위험대응 전략 수립시 전략의 효율성을 감안하여 잔여위험도를 계산한 다음 잔여위험도가 위험허용도 이하가 될 때까지 반복적으로 위험대응 전략을 수립하는 프로세스이다.

Is the Phone Call the Most Effective Method for Recall in Cervical Cancer Screening? - Results from a Randomised Control Trial

  • Rashid, Rima Marhayu Abdul;Mohamed, Majdah;Hamid, Zaleha Abdul;Dahlui, Maznah
    • Asian Pacific Journal of Cancer Prevention
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    • 제14권10호
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    • pp.5901-5904
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    • 2013
  • Objective: To compare the effectiveness of different methods of recall for repeat Pap smear among women who had normal smears in the previous screening. Design: Prospective randomized controlled study. Setting: All community clinics in Klang under the Ministry of Health Malaysia. Participants: Women of Klang who attended cervical screening and had a normal Pap smear in the previous year, and were due for a repeat smear were recruited and randomly assigned to four different methods of recall for repeat smear. Intervention: The recall methods given to the women to remind them for a repeat smear were either by postal letter, registered letter, short message by phone (SMS) or phone call. Main Outcome Measures: Number and percentage of women who responded to the recall within 8 weeks after they had received the recall, irrespective whether they had Pap test conducted. Also the numbers of women in each recall method that came for repeat Pap smear. Results: The rates of recall messages reaching the women when using letter, registered letter, SMS and phone calls were 79%, 87%, 66% and 68%, respectively. However, the positive responses to recall by letter, registered letter, phone messages and telephone call were 23.9%, 23.0%, 32.9% and 50.9%, respectively (p<0.05). Furthermore, more women who received recall by phone call had been screened (p<0.05) compared to those who received recall by postal letter (OR=2.38, CI=1.56-3.62). Conclusion: Both the usual way of sending letters and registered letters had higher chances of reaching patients compared to using phone either for sending messages or calling. The response to the recall method and uptake of repeat smear, however, were highest via phone call, indicating the importance of direct communication.

특발성 저신장증 환자에서 IGF-I 프로모터 cytosine-adenine repeat 유전자 다형성의 분석 (Analysis of cytosine adenine repeat polymorphism of the IGF-I promoter gene in children with idiopathic short stature)

  • 문재훈;정우영
    • Clinical and Experimental Pediatrics
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    • 제52권3호
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    • pp.356-363
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    • 2009
  • 목 적 : 특발성 저신장증 환자에서 IGF-I 유전자 다형성의 역할에 대한 연구는 아직 보고되지 않았다. 저자들은 한국인 특발성 저신장증 환자를 대상으로 IGF-I 프로모터 CA repeat 유전자 다형성에 대한 분석을 실시하였다. 방 법 : 신장 계측에 의해 2007년에 제작된 한국 소아 발육 표준 신장표에 의거하여 나이와 성별에 따른 신장백분위수가 3백분위수 미만인 131명을 대상으로 하였다. 성장호르몬 치료의 분석은 최소한 6개월 이상 성장호르몬 치료를 받은 37명을 대상으로 실시하였다. 유전자형의 분석은 유전자 염기서열분석을 통하여 실시하였다. CA repeat 횟수에 따른 대립유전자의 분포를 조사하였고, 이를 바탕으로 유전자형을 분석하였다. CA repeat의 heterozygous의 분석은 Gene Mapper software를 이용하였다. 혈청 IGF-I 농도는 RIA방법으로 측정하였다. 결 과 : 국인 특발성 저신장증 환자에서의 CA repeat의 분포는 15부터 22까지였으며, 19 repeat가 40.6%의 빈도로 가장 높았다. 유전자형에 따른 분포는 131명 중 17명(13.0%)이 19 CA repeat homozygous 였으며, 74명(56.5%)은 heterozygous, 40명(30.5%)은 19 CA repeat noncarrier 였다. 유전자형에 따른 키, 체중, BMI는 세군 모두에서 유의한 차이가 없었다. 유전자형에 따른 혈청 IGF-I 농도는 19 CA repeat noncarrier군에서 $435.67{\pm}160.29$ ng/mL로, 19 CA homozygous 군에서의 $435.60{\pm}131.51$ ng/mL, 19 CA heterozygous 군에서의 $473.76{\pm}185.01$ ng/mL과 유의한 차이가 없었다. 나이와 혈청 IGF-I 농도와의 상관관계를 분석한 결과 세군 모두에서 유의한 양의 상관관계를 보였다(P<0.01). 유전자형에 따른 첫 1년 동안의 성장호르몬 치료 효과를 분석한 결과 성장호르몬 치료 후 12개월로 환산한 성장속도는 19 CA homozygote군에서 $7.6{\pm}3.4$ Cm, 19 CA heterozygote군에서 $7.9{\pm}2.6$ cm 그리고 19 CA noncarrier군에서 $7.7{\pm}2.8$ cm로 세군 사이에 유의한 차이가 없었다(P>0.05). 성장호르몬 치료 전후의 신장표준편차점수 차이도 19 CA homozygote군에서 $0.6{\pm}0.2$, 19 CA heterozygote군에서 $0.5{\pm}0.4$ 그리고 19 CA noncarrier군에서 $0.5{\pm}0.4$로 세군 사이에 유의한 차이가 없었다(P>0.05). 결 론 : 특발성 저신장증 환자에서의 IGF-I 프로모터 CA repeat 유전자 다형성의 분포는 15부터 22까지였으며, 19 repeat가 40.6%의 빈도로 가장 높았다. 키, 체중, BMI 그리고 혈중 IGF-I농도는 유전자형에 따라 유의한 차이가 없었다. 유전자형에 관계없이 나이와 혈중 IGF-I 농도 사이에는 모든 군에서 유의한 양의 상관관계를 나타내었다. 유전자형에 따른 첫 1년간의 성장호르몬 치료 효과도 유전자형에 따라 유의한 차이가 없었다. 그러므로 특발성 저신장증 환자에서는 IGF-I 유전자 다형성은 기능적 역할을 하지 못한다고 생각한다.

국내 의류업체의 QR의사결정지원시스템 및 지연생산 사례 연구 (A Case Study of QR Decision Support System and Postponement Production in the Korean Apparel Company)

  • 허지혜;송인천;이형진;천종숙
    • 복식문화연구
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    • 제17권4호
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    • pp.723-732
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    • 2009
  • The quick response(QR) system is very popular in Korean apparel companies. However, the usage of QR system was not known well. The purpose of this study is to identify the usage of the quick response decision support system(QR DSS) and postponement manufacturing in the Korean apparel company. The researched company was the only one which used the QR DSS. The researchers carried out the depth interview with the QR decision makers of the company. This company had 14 brands, and had used the QR DSS since January, 2008. The results are as follows: The QR DSS was supportive computer software program, and it helped the staffs to make agile decision about QR repeat production of clothing. The QR DSS automatically calculated the related data, and suggested the expected sales volume and the proper supply amounts of the styles. There were four functions in QR DSS : 'QR Alert', 'Proper Supply Amount Simulation', 'Sensible QR', and 'Supply/Sales Simulation by Item'. The men's clothing brands effectively used 'Supply/Sales Simulation by Item' function. And the women's clothing brands effectively used 'QR Alert' function. This company also used the postponement production system for QR repeat production. The postponement production was conducted with four methods : the yarn stocking, the grey fabric stocking, the dyed fabric stocking, and the fabric sourcing. The men's clothing brands usually used of the yarn stocking methods and the dyed fabric stocking methods. The women's clothing brands usually used the grey fabric stocking methods. By using QR DSS and postponement production system the company was able to shorten the lead time for QR decision making.

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Nucleotide-Binding Domain and Leucine-Rich Repeat Containing Receptor (NLR) and its Signaling Pathway

  • Park, Sangwook;Gwon, Sun-Yeong;Rhee, Ki-Jong
    • 대한의생명과학회지
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    • 제19권3호
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    • pp.173-179
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    • 2013
  • Since the identification and characterization of toll-like receptors (TLR) in Drosophila, numerous scientific studies have examined the role of TLRs in host innate immunity. Recent studies have suggested a convergence of the nuclear factor kappa B (NF-${\kappa}B$) signaling and cytokine production regulated by the cytosolic elicitor known as NLRs (nucleotide-binding domain and leucine-rich repeat containing domain receptors) as a key modulator in inflammatory diseases. Among the NLRs, NOD1 and NOD2 have been intensively investigated for its role in inflammatory bowel disease (IBD). On the other hand, NLRs such as NLRP3, NLRP1, and NLRC4 (also known as IPAF) have been identified to form the inflammasome to activate downstream signaling molecules in response to pathogenic microbes. There is evidence to suggest that substantial crosstalk exists for the TLR and NLR signaling pathway in response to pathogen associated molecular pattern (PAMP). However, the substrate and the mechanistic role of NLRs are largely unknown in innate immune response. Understanding the signaling mechanisms by which NLRs recognize PAMP and other danger signals will shed light on elucidating the pathogenesis of various human inflammatory diseases such as IBD.

강박장애 환자의 반응억제 결함 (Impaired Response Inhibition in Patients with Obsessive-Compulsive Disorder)

  • 부영준;김세주;강지인
    • 대한불안의학회지
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    • 제11권1호
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    • pp.33-37
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    • 2015
  • Objective : Impaired response inhibition has been suggested to play an important role in the pathophysiology of obsessive-compulsive disorder (OCD). The aim of this study was to evaluate the response inhibition in patients with OCD, by using the Go/NoGo paradigm, and to better understand its associations with clinical symptoms. Methods : The participants included 63 OCD patients and 80 healthy volunteers matched in age and sex. response inhibition was evaluated using computerized Go/NoGo task, in which their commission error rates, omission error rates, and mean response times were measured. The severity of clinical symptoms in the OCD patients was assessed using Montgomery-Asberg Depression Scale and Yale-Brown Obsessive Compulsive Scale. Result : OCD patients showed significantly impaired inhibition and higher omission errors rates despite their slower response time, compared to normal controls. Clinical symptoms were not correlated with commission errors and omission errors. Conclusion : The present results indicate that impairment in response inhibition may play a critical role in the pathophysiology of OCD as a trait. These findings suggest that deficit of response inhibition may contribute to developing and maintaining clinical symptoms such as compelling need to repeat certain actions in patients with OCD.

수행형 문항과 선다형 문항의 수학적 능력 추정 효율성 비교 (A Comparison of Free Response Items and Multiple Choice Items in Terms of Effectiveness of Estimating Mathematical Ability)

  • 박정;박경미
    • 한국수학교육학회지시리즈A:수학교육
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    • 제43권2호
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    • pp.151-162
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    • 2004
  • For the past several years, performance assessment has been widely used by mathematics teachers. The superiority of performance assessment items compare to multiple choice items has been discussed by many researchers, however these discussions tend to be lack of empirical data. Thus, this study aims to examine the effectiveness of tree response items in comparison with multiple choice items. Using the information function in Item Response Theory(IRT), item information of free response items and multiple choice items from the Third International Mathematics and Science Study-Repeat(TIMSS-R) were obtained and compared. Test informations of the whole mathematics area as well as each content area of mathematics were computed. On average, tree response items yielded more information than multiple choice items, especially in measurement and data interpretation. This study also revealed that free response items estimated students' mathematics ability more accurately than multiple choice items with smaller number of items.

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