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박기령,조성민,우가은,이기현,손혜영,임정윤,최진혁,이순남,정화순 梨花女子大學校 醫科大學 醫科學硏究所 1997 EMJ (Ewha medical journal) Vol.20 No.2
Chronic neutrophilic leukemia(CNL) is a very rare myeloproliferative disease, characterized by sustained mature neutrophilic leukocytosis with granulocytic bone marrow infiltration, high NAP(neutrophilic alkaline phosphatase) score and absence of philadelphia chromosome, It is frequently accompanied by hepatosplenomegaly, elevated serum vitamin B_12 and uric acid level. For the diagnosis of CNL, the leukemoid reaction, especially secondary to neoplasia, infection and autoimmune diseases, should be excluded. Since Tuohy's first description in 1920, more than 50 cases fullfilling the above criteria have been reported worldwide, and 4 cases in Korea. Several authors have demonstrated the defect of intracellualr killing in the mature neutrophil and this finding correlates well with the very high incidence of fatal infection, The hemorrhagic diasthesis in CNL is caused by functional abnormality of the platelet. This disease has tendency to transform to blastic crisis and acute leukemia as in other myeloproliferative disease, but characteristically shows frequent coexistence with multiple myeloma. Until now , the therapeutic trials in CNL have been disappointing. Hydroxyrea and busulfan can control hyperleukocytosis. On the basis of functional defect in neutrophil, alpha-2b-interferon has been tried and several reports have demonstrated the clinical and functional effect of interferon on CNL. CNL is very rate hematologic disease and there are few report about general aspect of disorder. We report here a typical CNL case presenting with splenomegaly and leukocytosis with a review of the literature.
정지형 자전거 운동 훈련이 건강한 여성의 체구성,심폐기능 및 유연성에 미치는 효과
김동옥,최정숙,안혜영,민혜숙,이경숙,박연환,송미령,최명애,최정안,김매자 서울대학교 간호대학 간호과학연구소 1999 간호학 논문집 Vol.13 No.1
The purpose of this study was to determine the changes in body composition, cardiopulmonary function, and flexibility following 8 weeks' bicycle ergometer exercise training. The subjects of this research consisted of healthy adult women between 30 and 40 years of age. Initial intensity of bicycle ergometer exercise was based on the target heart rate equivalent to 55% of maximal oxygen uptake, and intensity of the exercise increased by 5% every 2 weeks. Body composition, cardiopulmonary function at rest and during maximal exercise, as well as flexibility were determined before and after 8 weeks of bicycle ergometer exercise training. Masimal exercise was performed on the treadmill according to Bruce Protocol. The results obtained were as follows; 1. There were o changes in body weight, percent body fat, fat body weight, and lean body weight as well. The ventilation volume for 1 minute, respiratory quotient and expired CO₂ volume have not changed significantly after the training, either. 2. As a result of training, resting systolic and diastolic blood pressure decreased significantly(p<.05) 3. Maximal heart rate, maximal oxygen consumption and maximal running time increased significantly after the training(p<.05) 4. Pelvic flexibility increased slightly after the training, however, it did not reach the statistical significance. Trunk flexion forward increased significantly after the training(p<.05). From these results, it may be concluded that 8 weeks bicycle ergometr training improve the cardiopulmonary function and flexibility in healthy adult women between 30-40 years of age.
이지은,장혜경,오지영,유윤경,김현지,임숙인,연숙희,강진숙,최귀령 한국병원약사회 2003 병원약사회지 Vol.20 No.1
In an aging society, there is an increasing possibility of the duplication of the drugs given to patients because they take many kinds of drugs. Among the prescriptions given to the patients who was treated at multiple ambulatory clinics in St. Mary's hospital for one month of September, 2002, in which drugs that has identical or similar effects are prescribed, we analysed and evaluated them by patients' characteristics, kinds of medication, severity of side effects on a case by case basis. More, we assessed the potential additional costs. As a result of this study, the duplication rate turned out to be 6.69% and it was shown that the proportion of the elderly patients over 60 was high. The gastro-intestinal medications took up a large part and most of the cases showed that the danger caused by double taking of medicine was slight, but there were some examples in which the serious side effects were predicted. Expected additional costs were the average 11.349 won and it ranges from the minimum of 56 won to the maximum of 135,720 won. In conclusion, the management of drug histories of the patients who need the plural treatments is very important and the necessity of the individual and professional guidance of taking medicines for the elderly patients is emerged, too.
Short Reports : A Simple Assay Method for Melanosome Transfer
( Hye Ryung Choi ),( So Hee Park ),( Jae Woo Choi ),( Dong Seok Kim ),( Kyung Chan Park ) 대한피부과학회 2012 Annals of Dermatology Vol.24 No.1
Pigmentation is induced by production of melanin in specialized organelles termed melanosomes and by transfer of these organelles from melanocytes to surrounding keratinocytes. The chemical basis of melanogenesis is relatively well known but the mechanism of melanosome transfer is not well studied. Various pigmentary disorders and cosmetic applications require the use of depigmenting agents. Currently available topical agents used for the reduction of pigmentation mainly include tyrosinase inhibitors and/or melanocyte-cytotoxic agents. Recently, several agents have been introduced to inhibit melanosome transfer from melanocytes to keratinocytes. However, an experimental model for melanosome transfer is not well established. In this study, a simple assay method using flow cytometry is described. (Ann Dermatol 24(1) 90∼93, 2012)
Suppression of miR135b Increases the Proliferative Potential of Normal Human Keratinocytes
Choi, Hye-Ryung,Nam, Kyung-Mi,Park, Sung-Jun,Kim, Dong-Seok,Huh, Chang-Hun,Park, Woong-Yang,Park, Kyoung-Chan The Society for Investigative Dermatology, Inc 2014 The Journal of investigative dermatology Vol.134 No.4
Choi, Hye-Ryung,Shin, Jung-Won,Na, Jung-Im,Nam, Kyung-Mi,Lee, Hyun-Sun,Park, Kyoung-Chan Hindawi Publishing Corporation 2015 Oxidative medicine and cellular longevity Vol.2015 No.-
<P>We found that tripeptide “ACQ: alanine-cysteine-glutamine” has significant DPPH scavenging activity compared to that of glutathione. Antioxidant effects of ACQ were tested in <I>in vitro</I> and <I>in vivo</I> models. When treated with H<SUB>2</SUB>O<SUB>2</SUB>, mock treated fibroblasts and keratinocytes showed strong staining by H<SUB>2</SUB>DCFA. But, ACQ showed good protective effects against hydrogen peroxide treatment. When mice were fed for 2 or 4 weeks, similar protective effects were observed. In the control group, epidermis was severely damaged by UV irradiation and apoptotic keratinocytes were observed. There were also numerous TUNEL positive cells. But in the ACQ group, epidermis became thicker and there was no sign of severe damage. Interestingly, the number of p63 cells was also higher in ACQ fed mice. To confirm the stem cell rescuing effects of ACQ, three-dimensional skin samples were constructed. Results showed that ACQ increased the expression of integrin <I>α</I>6 and the number of p63 positive cells. These findings showed that ACQ has good antioxidant activity and may increase stem cell activities by the regulation of integrin <I>α</I>6.</P>