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Evaluation of MT1XT20 Single Quasi-Monomorphic Mononucleotide Marker for Characterizing Microsatellite Instability in Persian Lynch Syndrome Patients

  • Farahani, Najmeh;Nikpour, Parvaneh;Emami, Mohammad Hassan;Hashemzadeh, Morteza;Zeinalian, Mehrdad;Shariatpanahi, Seyed Shervin;Salehi, Rasoul
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.9
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    • pp.4259-4265
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    • 2016
  • Background: Colorectal malignancies with high microsatellite instability (MSI-H), either hereditary (Lynch syndrome) or sporadic, demonstrate better prognosis and altered response to 5FU chemotherapy. It is now recommended to perform MSI testing for all new cases of colorectal cancer regardless of being categorized as hereditary or sporadic. For MSI detection, immunohistochemistry or PCR-based protocols using a cohort of various sets of STR markers are recommended. Here we aimed to evaluate a simplified protocol using just a single STR marker, MT1XT20 mononucleotide repeat, for detection of MSI in Lynch syndrome patients. A Promega five-marker MSI testing panel and immunohistochemistry (IHC) were used as the gold standard in conjunction with MT1XT20. Materials and Methods: Colorectal patients with a positive history of familial cancers were selected by evaluating medical records. Based on Amsterdam II criteria for Lynch syndrome 20 families were short listed. DNA was extracted from formalin fixed paraffin embedded tumour and adjacent normal tissues resected from the index case in each family. Extracted DNA was subjected to MT1XT20 mononucleotide marker analysis and assessment with a commercially available five marker MSI testing kit (Promega, USA). IHC also was performed on tissue sections and the results were compared with PCR based data. Results: Eight (40%), seven (35%) and five (25%) cases were MSI positive using with the Promega kit, IHC and MT1XT20, respectively. Among the markers included in Promega kit, BAT26 marker showed instability in all 8 samples. NR24 and NR21 markers showed instability in 7 (87.5%), and BAT25 and MONO 27 in 6 (75%) and 5 (62.5%). Conclusions: Although MT1XT20 was earlier reported as a valid standalone marker for MSI testing in CRC patients, we could not verify this in our Iranian patients. Instead BAT26 among the markers included in Promega MSI testing kit showed instability in all 8 MSI-H CRC samples. Therefore, it seems BAT26 could act well as a single marker for MSI testing in Iranian CRC patients.

Christian Teachers in Tense Situation: Performative Dialogue Stimulating Normative Professionalism (긴장의 시대 속에서 규범적 전문주의를 촉진하는 기독교교사의 수행적 대화에 관한 연구)

  • Avest, K.H. (Ina) ter
    • Journal of Christian Education in Korea
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    • v.61
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    • pp.9-35
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    • 2020
  • In the second half of the previous century the composition of the teacher population - and the composition of the pupil and parent population - in the Netherlands gives rise to the name change 'age of secularisation' to 'age of pluralisation'. In previous centuries the (religious or secular) worldview identity of the parents and the educational philosophy of the school were attuned to each other, and merged into a mono-cultural perspective on the identity development of pupils. The basis for both - the upbringing by the parents and the socialisation in the family on the one hand, and the teachers' efforts to enculturate the students at the school on the other - was a similar life orientation. The school choice of the parents was predetermined by their commitment to a particular (religious) worldview, very often inspired by Christianity. The religious identity of their children developed in a clear-cut context. However, in contemporary society plurality dominates, at home and at the school, both in case of the parents and the teachers. A direct relationship with a community of like-minded believers is no longer decisive for parents with varying cultural and religious backgrounds. Instead, a good feeling upon entering the schoolyard or the school building is a convincing argument in the process of school choice. The professional identity development of teachers and the religious identity development of children takes place in a plural context. Our question is: what does this mean for the normative professionalism of the teacher? To answer this research question we make use of the resources of the Dialogical Self Theory (DST) with its core concepts of 'voice' and 'positioning'. After presenting the Dutch dual education system (with public and denominational schools) we provide a lively description of a Dutch classroom situation occurring in a public school, as viewed from the perspective of the teacher. The focus in this description is on performative dialogue as a 'disruptive moment' and on its potential for the hyphenated religious identity development of teachers, which makes up a part of their normative professionalism.

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Correlation Analysis Between Soil Moisture Retrieved from Satellite Images and Ground Network Measurements (위성관측 토양수분과 지상관측망 자료의 상관성 분석)

  • Kim, Gwang-Seob;Kim, Jong-Pil
    • Journal of the Korean Association of Geographic Information Studies
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    • v.14 no.2
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    • pp.69-81
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    • 2011
  • The soil moisture data of the National Aeronautics and Space Administration(NASA) and the Vrije Universiteit Amsterdam(VUA) in collaboration with NASA, retrieved from Advanced Microwave Scanning Radiometer-Earth observing system(AMSR-E) brightness temperature, were collected to evaluate the applicability of the remote sensed soil moisture in South Korea. The averages of the soil moisture by in-situ sensors, by NASA and by VUA-NASA are approximately 0.218, 0.119, and $0.402m^3/m^3$, respectively. This indicates that the soil moisture of NASA was underestimated and that of VUA-NASA was overestimated. The soil moisture products of VUA-NASA showed a better relationship with the in-situ data than that of NASA data. However, there are still limitations of C-band soil moisture measurements. To improve the applicability of satellite soil moisture measurements, bias correction and other post processings are essential using in-situ soil moisture measurements at various surface conditions.

A Study of Global Impact on Welfare State : with Special References to the Social Policy of EU (지구화시대 초국가적 권위체가 복지국가 체제에 미치는 영향에 관한 연구 : 유럽연합의 사회정책을 중심으로)

  • Moon, Jin-Young
    • Korean Journal of Social Welfare
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    • v.53
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    • pp.311-336
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    • 2003
  • This paper purports to explain the conflicts and compromises between supra-national authority and national welfare state in an era of globalization. For this purpose this paper, first of all, examines if Community law(EU) is directly applicable to member states(direct applicability), and subsequently, if Community law is superior to national law(supremacy). It duly claims that Community law is de facto applicable to member states and thus is superior to national law, but de jure the direct applicability and supremacy of Community law are still ambiguous in practice. Secondly, it briefly describes the development of EU social policy from 'The Rome Treaty(1957)' to 'The Amsterdam Treaty(1997)', and ascertains clear limitations of social dimension of EU. Thirdly, it explains why CEU(Commission of European Union) sequently fails to achieve uniform harmonization policy in the making of social Europe. This paper concludes that 'downward harmonization thesis' or 'convergence thesis' which commonly stresses that globalization seriously impinges on nation-state's policy autonomy and policy capacity is not evidenced at least in the case of EU social policy.

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Extraction of mandibular third molars: relationship of preoperative anxiety with body mass index, serum high-sensitivity C-reactive protein levels, and visual analog scale scores and predictors of postoperative complications

  • Eunjee Lee;Yu-Jin Jee;Jaewoong Jung;Mu Hang Lee;Sung ok Hong
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.49 no.5
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    • pp.252-261
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    • 2023
  • Objectives: Patients undergoing oral surgery exhibit high anxiety, which may elevate their cortisol levels and affect postoperative recovery. Overweight patients are often encountered in the dental clinic due to the increasing prevalence of overweight. We aimed to investigate the relationships between preoperatively assessed body mass index (BMI), serum cortisol and high-sensitivity C-reactive protein (hs-CRP) levels, and visual analog scale (VAS) scores and preoperative anxiety in patients undergoing mandibular third molar (MM3) extraction and to identify predictors of postoperative complications. Patients and Methods: We analyzed 43 patients (age, 20-42 years) undergoing MM3 extraction. At the first visit, patients completed the Modified Dental Anxiety Scale (MDAS) and Amsterdam Preoperative Anxiety and Information Scale (APAIS) questionnaires. Their BMI and VAS scores were also calculated. The participants underwent blood tests 1 hour before MM3 extraction. On the first postoperative day, the participants' VAS scores and serum hs-CRP levels were reevaluated. Results: We found that BMI was significantly correlated with preoperative VAS scores. Further, BMI and preoperative hs-CRP levels were significantly correlated among women and patients undergoing extractions of fully impacted MM3s. No correlations were found between serum cortisol and other variables. The preoperative MDAS and VAS scores were significantly positively correlated, especially among patients undergoing extractions of fully impacted MM3s. Multiple linear regression showed that BMI and the eruption status of the MM3 were significant predictors of postoperative hsCRP levels and VAS scores, respectively. Conclusion: In MM3 removals, patients with higher BMI showed elevated hs-CRP and higher VAS scores before surgery. Patients with higher anxiety among those undergoing extractions of fully impacted MM3s showed higher preoperative VAS scores. The two main predictors of postoperative complications were BMI and MM3 eruption status.

A Study on the Practical Approach of European Union's Market Access through the Understanding of Tariffs and Non-Tariff Barriers in European Union (EU의 관세 및 비관세 장벽 이해를 통한 EU시장 개척 방안)

  • Jung, Jae-Woo;Lee, Kil-Nam
    • International Commerce and Information Review
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    • v.16 no.4
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    • pp.191-225
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    • 2014
  • Most of all, this paper analyzes the current situation of EU(European Union) and ascertain EU's economic condition in terms of tariff lines and non-tariff barriers. and the purpose of this article is to find out the problems of EU's tariff lines and non-tariff barriers. Next, We suggest some future direction of export promotion from Korea to EU more largely for our companies. First, this paper describes the characteristics and outline of EU. The EU is a politico-economic union of 28 member states that are primarily located in Europe. The EU traces its origins from the European Coal and Steel Community(ECSC) and the European Economic Community(EEC), formed by the Inner Six countries in 1951 and 1958, respectively. After that, The Maastricht Treaty established the European Union under its current name in 1993. The latest major amendment to the constitutional basis of the EU, the Treaty of Lisbon, came into force in 2009. There are a combined population of over 500 million inhabitants and generated a nominal gross domestic product(GDP) of 16.692 trillion US dollars in EU. The results are as follows ; First of all, In terms of tariff lines and customs duties, Our companies have to know precisely EU's real tariff lines and other customs duties, and such as value added tax and exercise tax, corporate tax regulated by EU commission and EU's 28 members. second, our companies have to confirm EU's non-tariff barriers. such as RoHS, WEEE, REACH. These non-tariff barriers could be hindrances or obstacles to trade with foreign companies in other countries. We perceive all companies exporting to EU are related with these Technical Barriers to Trade irrespective of their nationality. So, Our companies fulfill the requirements of EU Commission concerning safety, health, environment etc. Also, Our companies choose market-driven strategy to export more largely than before in the field of marketing and logistics.

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