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오창영,한상억,이경준,김장수,오찬진,지동현 한국육종학회 2009 한국육종학회지 Vol.41 No.3
소나무 수형목 풍매차대를 대상으로 수고생장에 대하여 일반조합능력을 평가하고자 본 연구를 수행하였다. 본 연구에 사용된 가계는 총 232가계로 각 수령별 10년생 230가계, 20년생 184가계, 30년생 122가계를 대상으로, 차대검정림에서의 수고 생장 조사 자료를 이용하였다. 차대검정림은 1975년부터 조성하기 시작하여 1987년까지 모두 7회에 걸쳐 1~4 지역에 조성하였다. 이러한 조성 년도, 지역의 차이를 표준화를 통하여 균일한 수치로 보정하여 This study was conducted to select superior families based on the open-pollinated (OP) progeny tests of P. densiflora. A total of 232 OP families were analyzed for relative height growth. The OP progeny test trials were established at 1 to 4 sites from 1975 to 1987. To minimize temporal and spatial variation, we applied the standardization method for family selection. In each progeny test, superior and inferior families were selected at ages of 10, 20 and 30. Relative height growth rate (RHGR), growth speed at a given time unit, was comparatively high at age of 10 with range from 0.1 to 0.6 and showed a large variation among families. However, after age 15, the RHGR was low (average 0.04) and also the variation was not significantly different among families. To reduce selection errors due to age differences (from age 23 to 35) of tests, we made the family selection after age 15 when the values of RHGR were stable. Height growth at each age was transformed to be height growth at age 35 based on the RHGR. As the results, family CB2, CB3, KW99 and KW2 were selected as superior families and KW158, KW22, KB40 and GG1 were considered as inferior ones, respectively. Rank correlations (r) between test ages and selection age 35 were high and statistically significant; r = 0.881 between age 30 and 35, 0.653 between age 20 and 35, and -0.222 between age 10 and 35.
Effect of Metformin on Cell Growth and Differentiation in Cultured Odontoblasts
오창영,김수관,고대산,유선경,김태훈,김춘성,박주철,김도경 대한구강생물학회 2017 International Journal of Oral Biology Vol.42 No.2
Metformin (1,1-dimethylbiguanide hydrochloride), derived from French lilac (Galega officinalis), is a first-line anti-diabetic drug prescribed for patients with type 2 diabetes. However, the role of metformin in odontoblastic cell differentiation is still unclear. This study therefore undertook to examine the effect of metformin on regulating odontoblast differentiation in MDPC-23 mouse odontoblastic cells derived from mouse dental papilla cells. As compared to controls, metformin significantly accelerated the mineralization, significantly increased and accelerated the expressions of ALP and Col I mRNAs, and significantly increased the accelerated expressions of DSPP and DMP-1 mRNAs, during differentiation of MDPC-23 cells. There was no alteration in cell proliferation of MDPC-23 cells, on exposure to metformin. These results suggest that the effect of metformin on MDPC-23 mouse odontoblastic cells derived from mouse dental papilla cells, facilitates the odontoblast differentiation and mineralization, without altering the cell proliferation.
${\ll}$교주부인양방(校注婦人良方)${\gg}$에 수재된 의무기록 의안(醫案)에 관한 연구
오창영,김나영,박영수,김병회,조호근,김중오,김동일,Oh, Chang-Young,Kim, Ra-Young,Park, Young-Soo,Kim, Byoung-Hoe,Joh, Ho-Geun,Kim, Joong-Oh,Kim, Dong-Il 대한한방부인과학회 2006 大韓韓方婦人科學會誌 Vol.19 No.2
Background : Medical records are documents in files which consist of all diagnostic studies and medical treatments patients had received while they were hospitalized or treated as outpatients. A doctor or medical team can use medical records as a data for diagnosis, treatment, and education. In traditional eastern asian medicine, medical reports have different forms and contents. The most important thing in medical reports of traditional eastern asian medicine was how to express practitioner's medical ideas. So it has a weak point, for example, it has poor information about patient and clinical process, which make some trouble to understand it. Methods and Results : We studied medical records in Gyojubuin-yangbang, a commentary book of Chen-zi-ming's Obstetrics and Gynecology textbook done by Xue-ji in Ming dynasty, China. This book consists of 10 parts; treatment of menstruation disorders and leukorrhea, general gynecology, treatment of infertility, education for fetus, diagnosis of fetus and gravida, treatment of general and obstetrical disease in gravida, care for delivery, postpartum care and treatment, and treatment of mass and inflammation. It has 546 medical records about women's disease that commonly believed as Xue-ji's case reports. They are all review articles and made during about 23 years from A.D 1523 to 1546. Most patients of Xue-ji's case reports were common people, this fact is different from that of case reports in Chen-zi-ming's Obstetrics and Gynecology textbook. Conclusion : Xue-ji was a very famous Ob&Gy doctor who was from Suzhou Jingsu province in China. He was born in A.D 1468, died in A.D 1588. He emphasize emotional factors in pathology and to tonify spleen and kidney. We think Xue-ji's medical records are good references for us to treat psychosomatic Ob&Gy disease and chronic women's disease.
박달나무의 반형매 가계간 Cd Phytoremediation과 축적 특성
오창영,이재천,한심희,김판기 한국농림기상학회 2004 한국농림기상학회지 Vol.6 No.3
The main purpose of this study was to select a B. schmidtii population which has high cadmium tolerance and remediation and to determine the difference of cadmium uptake patterns among populations. One-year-old B. schmidtii seedlings were treated with 0, 0.4, 0.8mM CdSO₄ *3/8H₂O for two months. Cadmium concentrations in different positions of stem and cadmium concentrations and contents of leaves, stems and roots were analyzed. Also soil cadmium concentrations were analyzed. B. schmidtii was highest in root and lowest in shoot tip, showing a gradual decrease from root to shoot tip. The shoot to root Cd concentration ratios were over 1.26. It is concluded that B. schmidtii has good potential for phytoextraction as a shoot accumulator, which can be used for remediation of cadmium-contaminated areas. But tolerance differs between populations. Therefore B. schmidtii should be used as a means of phytoremediation after selection for Cd tolerance is performed.