자료포락분석(DEA)를 이용한 보건의료의 효율성 측정

김남송,박홍섭,김은진,김설화,김정숙,김현아,김경숙,신지혜,최은정,양은진,유선미,유수진 圓光大學校 醫科學硏究所 2007 圓光醫科學 Vol.22 No.1

정상과 갑상선 종양조직에서 사람 IGF-I 유전자의 발현

김성운,장현하,박상미,김덕윤,우정택,양인명,김진우,김영설,김광원,고석환,홍성화,최영길 경희대학교 유전공학연구소 1993 遺傳工學論文集 Vol.5 No.-

Many of the growth-promoting properties of growth hormone(GH) are mediated by insulin-like growth factor-I(IGF-I), a highly conserved circulating 70-amino acid peptide. Recent studies have shown that multiple mechanisms influence IGF-I gene expression, including transcription from two promoters, alternative RNA splicing, and variable polyadenylation. In thyroid tissue, thyroid stimulating hormone(TSH) and IGF-I are the most possible candidates for follicular cell proliferation and hypertrophy. Actually IGF-I had autocrine and paracrine effect for tissue growing. We prepared thyroid tumor tissue mRNAs using single step method for detecting IGF-I levels according to different tissues, i.e., thyroid adenoma or papillary thyroid carcinoma. We used Northern blot analysis for IGF-I mRNA and RNase protection assay (RPA) for IGF-I transcription start sites. For Northern blot, we used whole human IGF-I cDNA as a DNA probe and for RPA, we used IGF-I exon 1 containing noncoding promoter 1 as a riboprobe. We got good RNA bands from Northern blot analysis around 1 kb (IGF-IA) and 7.5 kb (IGF-IB) region. To clarify the amount of both IGF-IA and IB mRNAs, we measured autoradiographied signal of IGF-I mRNAs bands using densitometer. In IGF-IA signals, there's no change among liver and thyroid tissues, but in case of IGF-IB mRNA bands, the signal was markedly increased in thyroid carcinoma tissues than that of normal thyroid tissue (85% vs 14%). In the study of RPA, all thyroid tissues used the same transcription start sites as those of liver's. We concluded that that this different regulation of IGF-I mRNA was originated from tissue specificity. That meant some tissue specific transcription factor/s were related to tissue IGF-I expression.

골아세포 MC₃T₃-E₁의 증식과 기능에 Insulin Like Growth Factor Ⅰ, Ⅱ 및 부갑상선 호르몬이 미치는 영향

윤현구,정호연,양인명,김성운,김진우,김광원,김영설,최영길,서광식 대한내과학회 1992 대한내과학회지 Vol.42 No.1

MC₃T₃-E₁골아세포군을 이용하여 IGF-Ⅰ과 Ⅱ를 투여하고 DNA합성과 골아세포기능을 측정하기 위해 PTH에 대한 C-AMP반응정도, alkaline phosphatase 활성도를 측정하여 다음과 같은 결과를 얻었다. 1) IGF-Ⅰ과 Ⅱ는 모두 DNA합성이 어느 농도까지는 증식효과를 나타내지만 그 이후에는 억제되는 양상을 보였다. 2) PTH에 대한 골아세포의 C-AMP반응으로 증가되었지만 IGF-Ⅰ과 Ⅱ의 투여시 농도변화에 따른 의미있는 변화는 없었다. 3) 본 실험의 조건에서 alkaline phosphatase 활성도는 증가되지 않았다. 이상의 결과로 MC₃T₃-E₁ 골아세포에 IGF-Ⅰ과 Ⅱ는 세포의 증식을 자극하여 PTH는 C-AMP생성을 촉진하는 효과가 있었다. The effect of insulin-like growth factor (IGF) Ⅰ and Ⅱ on cloned MC₃T₃-E₁ cells that had osteoblastic activity was examined by [³H] thymidine incorporation into DNA, cyclic AMP responsiveness to parathyroid hormone (PTH), and alkaline phosphatase activity. IGF Ⅰ and Ⅱ stimulated the growth and proliferation of osteoblastic cells at 20ng/㎖ and 50ng/㎖, respectively. We next examined the effect of IGF-Ⅰ and Ⅱ on the expression of osteoblastic activity. Adenylate cyclase response of PTH to IGF-Ⅰ and Ⅱ-treated cells showed maximal stimulation at 10 and 50㎚PTH, respectively, but IGF Ⅰ and Ⅱ induced limited activity of osteoblastic function. In conclusion, IGF-Ⅰ and Ⅱ were potent stimulators to the growth of osteoblastic cells but did not have an immediate effect on expression of osteoblastic function in this experiment.

비만증 환자에서 한약제에 의한 체중 감소효과

Oh, Seung-Joon,Jeong, In-Kyung,Kim, Young-Seol,Choi, Young-Kil,Paeng, Jeong-Ryung,Bae, Jung-Hwan,Shin, Hyun-Dae 경희대학교 동서의학연구소 1999 INTERNATIONAL SYMPOSIUM ON EAST-WEST MEDICINE Vol.1999 No.1

Seung-Joon Oh, In-Kyung Jeong, Young-Seol Kim, Young-Kil Choi, Jeong-Ryung Paeng¹, Jung-Hwan Bae and Hyun-Dae Shin²Department of internal Medicine, College Medicine, Endocrine Research Institute¹. Department of Rehabilitation, College of Oriental Medicine², Seoul, korea. Bady Fat Reduction Effects of Red Ginseng Compound Preparation on the Patients with Obesity. Proceedings of International Symposium on East-West Medicine, Seoul. 244-254, 1999.-Obesity can be defined as a metabolic disease due to an increased state of fat tissues caused by an imbalance of calorie intake and use. Recently, in Korea by improvement and westernization of food intake, along with decrease in exercise activities, the prevalence of obesity has increased greatly. Our objectives were to study stability and effects of decrease in body fat by administering red ginseng compound preparation (known to have body fat decreasing effects in laboratory animals) to obesity patients on low calorie diets. Changes in weight and body fat were measured while carrying out calorie-restricted diets on patients for 4 weeks, then administering red ginseng compound preparation for another 4 weeks. The patients were 20 people whose BMI were 25kg/㎡ or over and whose percent body fat was also 30% or over when tested by bioelectrical conductivity. 1. Changes in weight were from 70.04kg(base line) to 67.43kg(after taking red ginseng compound preparation). 2. In similar sense, BMI decreased from 27.12kg/㎡(base line) to 26.56kg/㎡(after dieting), and further to 26.01kg/㎡ (after taking red ginseng compound preparation). The BMI seemed to decrease significantly compared to the baseline after the use of red ginseng compound. 3. Waist hip ratio was changed from 0.8858(base line) to 0.8728, but it was statistically insignificant. 4. The percent body fat was 35,16%(base line), 33.87%(after dieting), and 31.68%(after taking red ginseng compound preparation). 5. Complete blood cell count and blood chemisrty remained unaffected by the administration. 6. In concern to endocrinologic studies, T3 decreased from 118.7 to 98.2ng/dL, and T4 increased from 8.8 to 9.2㎕/ dL. Epinephrine showed a tendency to decreased from 0.27 to 0.25 ng/mL, and norepinephrine increased from 0.39 to 0.44ng/mL. 7. Leptin was not changed. 8. Some patients complained adverse effects; constipation(5 patients, may be due to diet therapy), fatigue (2 patients), pruritus(2 patients), flushing(s patients), dizziness(3 patients) and epigastric discomfort(2 patients). However their symptoms were mild, so medication did not stopped. In conclusion, loss of weight without significant side effects was observed during low calorie diet and red ginseng compound preparation administration. This is thought to be in relation to sympathetic nerve system rather than adrenal gland. Also, further long0term studies should be required, since the observed results were based on short-term changes in weight.

'V-TOUR 2004' 배구경기 간접소비자의 지역연고지에 대한 만족도 분석

김정설,조현민 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.5

The purpose of this research was to make an offer for activating professional games of volley ball through a inspection rate based on survey with the indirect consumers (three hundred and forty-six persons in all / one hundred and seventy-four men and one hundred and seventy two women)at the second tour 'KT & G V-TOUR' The final match held in Mok-po, The points of difference about local place of indirect consumers are ; · men take satisfaction more than women in sex distinction. · thirties are the highest and forties, teenagers, twenties in order. · graduate students are the top and graduate high school, university, middle school in order. · persons who gain over four million and five hundred and ten thousand won are the highest at the profits and under l,500,000-2,500,000won, under 2,500,000-3,500,000won, under l,500,000won, below 3,500,000-4,500,000won in order. · a field of technique persons are the highest, housewives, businessman, public service personnel, the others, salesman, students in order.

백금박막 RTD를 이용한 유속센서의 제조와 그 동작특성

서현미,장경훈,김영진,설철규 경북대학교 센서기술연구소 1997 센서技術學術大會論文集 Vol.8 No.1

A flow sensor for detecting the flow rate of a air, composing a substrate, a heating element, and one or two fluid temperature sensing elements disposed symmetrically around the heating element. Wherein resistence changes by a fluid temperature change and heating element is maintained at fixed level by the control of voltage that is applied to the heating element. The function of the heating element(microheater) is based on the self-heating effect of the resistor when current is applied to it. A airflow sensor is capable of accuritely measuring a air flow irrespective of changes in ambient temperature. Pt thin films were deposited by a DC magnetron sputtering with Ar/O_(2) gas mixtures. Due to the oxygen incorporation into the Pt films, deposition rate and resistivity of as-deposited Pt thin films increased with oxygen fraction in the sputtering gas.

사람의 비후성 반흔에서 면역조직화학기법에 의한 형질전환인자 알파와 표피성장인자 발현의 차이에 관한 면역조직화학적 연구

박영란,김현곤,김종중,문정석,송준섭,설경수,정윤영 朝鮮大學校 附設 醫學硏究所 2008 The Medical Journal of Chosun University Vol.33 No.2

Background and Objectives: Transforming growth factor-α (TGF-α) and epidermal growth factor (EGF) are polypeptides which interact with the epidermal growth factor receptor (EGFR) to produce their biological effects. The aim of the present investigation was to elucidate the immunolocalization of TGF-α and EGF in normal human skin, hypertrophic scar with skin graft on soft tissue defect, and postburn hypertrophic scar without graft. Methods: The data presented in this paper focused attention on differences of expression between two kinds of hypertrophic scars in relation to skin graft using immunohistochemistry. Formalin-fixed and paraffin-embedded tissues from 3 normal skin tissues, 3 hypertrophic scars after skin graft and 8 postburn hypertrophic scars without graft were immunolabelled with antibodies directed against TGF-α and EGF. Results: In normal epidermis of skin, strong TGF-α immunoreactivity (IR) was observed in all epidermal layers except the stratum (S.) basale, whereas EGF was immunopositive in a few cells over all epidermal layers. The staining for TGF-α was found in cell membrane, and EGF was seen either diffuse cytoplasmic or peripheral part of cells in normal epidermis. In hypertrophic scar after six months postoperation, TGF-α IR was observed in the upper part of S. spinosum and S. corneum, whereas EGF was diffusely expressed in the S. spinosum, also its intensity was slightly increased compared to normal skin. In hypertrophic scar without skin graft, very strong expression of EGF was detected in the S. spinosum and S. corneum, and intensity of EGF was increased when compared to normal skin and postoperative hypertrophic scar. EGF and TGF-α coexisted in the cells of S. spinosum in normal skin as well as hypertrophic scars. Double-labeled cells were increased in postburn hypertrophic scar compared to normal skin and postoperative hypertrophic scar. In addition, intensity of EGF and TGF-α double IR was the strongest in postburn hypertrophic scar. Conclusion: These results indicate that EGF may have a more complex regulatory role not only in the early stages of wound healing but also in hypertrophic scar.

2형 당뇨병에서 Repaglinide의 유용성에 대한 연구

박철영,김영설,이현철,장학철 대한당뇨병학회 2001 임상당뇨병 Vol.2 No.4

연구배경 : 제2형 당뇨병 환자의 치료에 새로운 약제인 repaglinide와 기존에 상용하던 gliclazide를 비교하여 repaglinide의 유효성 및 안정성을 비교 평가 하고자 하였다. 방법 : 154명의 환자를 1:1 비율로 repaglinide와 gliclazide군으로 무작위 배정하였다. 약제 투여 전에 탈락된 2명을 제외한 152명의 환자 중 127명의 환자가 투약을 마쳤다. 투약 방법은 2주간의 약제 중지 기간 후에 4주동안 약제 용량 결정 기간을 통해 결정된 용량을 8주간 지속적으로 투여 하였다. 약제 용량은 repaglinide는 0.5mg, 1mg 또는 2mg 1정을 매 주식사 전에 경구 투여하였으며, gliclazide는 80mg 1정 또는 1/2정으로 시작해 제품 설명서에 따라 투여하였다. 치료 전 후의 당화혈색소, 공복혈당, 식후혈당 및 지질대사 지표 등의 검사로 유효성을, 여러 가지 생화학적,혈액학적 검사 및 저혈당빈도 등으로 안정성을 각각 평가하였다. 결과 : 12주 투여 후 repaglinide군과 gliclazide군 모두에서 당화혈색소 및 공복혈당의 유의한 감소를 보였다. 그러나 당화혈색소 및 공복혈당의 감소 정도는 두 군간의 유의한 차이는 없었다. 60분 및 90분의 식후혈당의 변화값의 평균은 repaglinide군에서는 기저치와 비교하여 유의하게 감소하였지만, gliclazide군에서는 유의한 감소를 보이지 않았다. 그러나 두 군의 60분, 90분 및 120분에서의 식후혈당 감소 정도는 두 치료군간에 유의한 차이는 없었다. 총콜레스테롤의 값의 유의한 감소가 gliclazide군에서 있었지만 변화 정도는 두 치료군간의 차이가 없었다. 체중변화는 두 군간 통계학적으로 유의한 차이가 없었다. 두 군모두 우려할 만한 약제 이상반응은 없었다. 저혈당 증상은 gliclazide군이 repaglinide군보다 많았지만 두 군간에 유의한 차이는 없었다. 결론 : 제2형 당뇨병 환자에서 repaglinide는 혈당조절에 대하여 gliclazide와 동등한 유효성을 가지고 있으며 안전한 것으로 사료된다. Background : This study was designed to compare the efficacy and safety of repag linide with gliclazide in a 12-week open-labelled, randomized, parallel group, multi-center study of outpatients with type 2 diabetes. Methods : A total of 182 patients were screened . 154 patients were randomized in a 1:1 ratio of repaglinide (78 patients) and gliclazide (76 patients). Two randomized patients withdrew from the trial prior to receive any trial medication. At the end of trial, 127 patients completed. The study protocol included a screening visit to assess patient eligibility; a washout period of 2 weeks, a titration period of 4 weeks, and a subsequent 8 week maintenance period. Repaglinide was a dministered preprandially with the three main meals, and gliclazide was taken according to the product labeling . Results : After 12 weeks treatment, both repaglinide and gliclazide resulted in significant reductions in HbA_(1c) (p<0.001; both treatment groups) and fasting blood glucose (FBG) values (p<0 .001; both treatment groups). Significant reductions in postprandial blood glucose (PPBG) values were found in the repaglinide group at 60 minutes (p<0.05) and at 90 minutes (p<0.05). However, no significant treatment differences in HbA 1c, FBG, or PPBG were observed. Both number of patients and frequency of reported hypoglycemic events appeared to be lower in the repaglinide group than in the gliclazide group (not significant). Conclusion: Overall, the results showed that repaglinide is well-to lerated and equally effective in controlling HbA_(1c), FBG and PPBG as gliclazide.

‘병동 중심의 처치수가 산정지침 개발’ 등을 통한 간호업무 표준화 및 그 효과

한혜정,설미진,김영주,박소영,박아리스,문한경,이현영 한국의료QA학회 2009 한국의료질향상학회지 Vol.15 No.1

문제: 병동 처치수가 산정 부정확 및 누락으로 인한 부적절한 재고관리로 진료차질, 불필요한 업무발생 및 수익이 감소한다. 목적: 병동 처치수가 산정 정확화를 위한 업무 표준화 도구 및 시스템을 개발하여 적정 재고관리를 통한 수익증대 및 직무만족도를 향상시킨다. 의료기관: 서울시 종로구에 소재한 대학병원 질 향상 활동: 병동중심의 처치 산정지침 개발 및 수가물품의 적정재고 관리방안을 모색하였다. 개선효과: 병동중심의 처치수가 산정 지침서를 제작하여 업무표준화를 기하였음. 응급청구 품목 및 수량이 ’07년 대비 71%감소하고 타 병동 차용품목이 활동 전에 비해 61% 감소, 수량은 77% 감소함. 응급청구 총소요시간이 활동 전에 비해 ’07년 대비 77% 감소하고 타 병동 차용 총 소요시간이 61% 감소함. 전년 동기간 대비 수익이 4% 증가하였으며 또한 54병동과 보험 심사팀에서 직원들의 직무만족도가 향상되었다.

콘택트렌즈 보존 용기 유래 Acanthamoeba lugdunensis KA/L5주의 내공생세균

정동일,공현희,김태호,황미열,유학선,윤호철,설성용 경북대학교 의학연구소 1999 경북대학교병원의학연구소논문집 Vol.3 No.1

콘택트렌즈 보존 용기 유래 가시아메바 KA/L5주의 세포질 내에 존재하는 bacterial endosymbiont(내공생세균)를 투과전자현미경으로 관찰하여 확인하였다. 숙주인 가시아메바 KA/L5주는 형태학적으로 제2군에 속하였고, rDNA PCR-RFLP 결과 A. lugdunensis로 동정되었다. 미토콘드리아 DNA RFLP와 동위효소 분석상 이 충주는 국내 콘택트렌즈 보존용기에서 가장흔히 분리되는 type인 KA/Ll주, 국내 임상 분리주 중 하나인 KA/E2주, 내공생세균을 가지는 것으로 보고된 병원 냉각수 유래 KA/W4주 및 L3a주와 동일하거나 매우 유사한 성적을 보였다. 내공생세균은 약 1.38× 0.507㎛의 크기였고, 아메바 세포질 내에 불규칙하게 분포하고 있었으며. 그 표면에 아메바의 ribosome이 부착되어 있었다. 내공생세균을 둘러싼 lacunae나 막과 같은 구조는 관찰되지 않았다. Legionella 특이 primer를 이용한 효소중합반응(PCR)에서 내공생세균의 염색체 DNA는 증폭되지 않았다. A. lugdunensis의 우리말 이름을 담수가시아메바로 제안한다. Transmission electron microscopy of an Acanthamieba isolate (KA/L5) from a contact lens case revealed bacterial endosymbionts within cytoplasm of the amoebae, The Acanthamoeba isolate belonged to the morphological group II. Based on the polymerase chain reaction (PCR) - restriction fragment length Polymorphism (RFLP) of 18S ribosomal RNA coding DNA (rDNA), the Isolate was identified as A. lugdunensis. Strain typing by isoenzyme analysis using isoelectric focusing (IEF) and mitochondrial (Mt) DNA RFLP revealed that the isolate was closely related with KA/Ll , the most predominant type of isolates from contact lens storage cases, KA/E2, a clinical isolate, KA/W4, preciously reported to host endosymbionts, and L3a strains of A. lugdunensis. The endosymbionts were similar to those of KA/W4 In aspects that they were randomly distributed in both trophozoites and cysts, and were rod-shaped bacteria measuring approximately 1.38x 0.50㎛. But the number of endosymbionts per amoeba was significantly lower than that of KA/W4. They were neither limited by phagosomal membranes nor included In lacunae- like structure.