오차드그래스 성숙종자로부터 캘러스 유도 및 고효율 식물체 재분화

이상훈,이동기,김진수,이병현,Lee, Sang-Hoon,Lee, Dong-Gi,Kim, Jin-Soo,Lee, Byung-Hyun 한국식물생명공학회 2003 식물생명공학회지 Vol.30 No.4

In an effort to optimize tissue culture conditions for genetic transformation of orchardgrass (Dactylis glomerata L.), an efficient and high-frequency plant regeneration system from seed-derived calli was established. Embryogenic calli induced on MS medium containing 3mg/L 2,4-D and 0.1mg/L BA had significantly improved regeneration ability. Plant regeneration rate was 92% when embryogenic calli were cultured on N6 medium supplemented with 1mg/L 2,4-D and 3mg/L BA. Among three kinds of medium, MS and N6 medium were optimal for embryogenic callus induction and plant regeneration, respectively. Ho difference in callus induction frequency was observed among four cultivars of orchardgrass, however, "Roughrider" cultivar showed higher regenerability with the frequency of 61%. Addition of maltose to the regeneration medium as a carbon source dramatically increased regeneration frequency up to 69%. A short tissue culture period and high-frequency regeneration system would be beneficial for molecular breeding of orchardgrass through genetic transformation.

인간난자의 체외수정에서 난포기의 Estradiol 반응도와 양상이 임신율과의 판계에 관한 연구

이상훈,최훈,김정구,문신용,이진용,장윤석,Lee, Sang-Hoon,Choi, Hoon,Kim, Jung-Gu,Moon, Shin-Yong,Lee, Jin-Yong,Chang, Yoon-Seok 대한생식의학회 1987 Clinical and Experimental Reproductive Medicine Vol.14 No.2

Ninety-one patients with irreparable tubal disease underwent in Vitro Fertilization-Embryo Transfer (IVF-ET) in Seoul National University Hospital. Ovulation was stimulated in 104 cycles by human menopausal gonadotropin (HMG) or follicular stimulating hormone (FSH)/human chorionic gonadotropin (HCG). The patients were classified as high (>900 pg/ml), intermediate (400-900 pg/ml), or low (<400pg/ml) responder according to preovulatory $E_2$ response and four $E_2$ patterns were found. The overall pregnancy rate per cycle in this consecutive series was 11.5% (n=12). The number of preovulatory oocytes per cycle was higher significantly in intermediate and high responder group than in low responder group (P<0.01), While the number of immature oocytes per cycle significantly higher in low responder group than high and intermediate responder group (P<0.01). The pregnancy rate in each responder group was not signigicant. According to the $E_2$ pattern of response, there was no significant difference in number of the immature and preovulatory oocytes recovery per cycle. There was a apparently direct relationship between the preovulatory $E_2$ pattern and pre gnancy rate was noted.

단기 호르몬 병합 치료가 폐경 후 우울증 환자의 인지 기능에 미치는 영향

이상훈,고영훈,조숙행,정인과,김승현,이문수,Lee, Sang Hoon,Ko, Young-Hoon,Joe, Sook-Haeng,Jung, In-Kwa,Kim, Seung-Hyun,Lee, Moon-Soo 대한생물정신의학회 2005 생물정신의학 Vol.12 No.2

Purpose:We investigated the effect of menopausal duration on cognitive function using adjunctive hormone replacement therapy(HRT) in postmenopausal women with depression. Method:Twelve postmenopausal women with depressive disorder were enrolled. Six patients having menopausal duration of less than 3 years was assigned to the short duration group and six patients of more than 3 years to the long duration group. Each patient was treated with conjugated equine estrogen(1.25mg) plus medroxyprogesterone(5mg) for 8 weeks. Cognitive performance was measured by the Verbal Memory Test, Visual Memory Test, Trail Making Test, Digit Symbol Test, and Attention Shift Test. The Beck Depression Inventory was used for evaluation of depressed mood. The reproductive hormone levels were also measured. Results:The long duration group showed the lower performance only in Trail Making Test B compared with the short duration group at baseline. After 8 weeks, the long duration group performed significantly better in the Trail Making Test B compared with the short duration group. The differences in change of depressive mood and gonadal hormone level between two groups were not significant. Conclusion:Menopausal duration before HRT may influence the effect of estrogen on cognition in some cognitive domains. This might be related with estrogen receptor hypersensitivity which induced by the longer estrogen deficiency.

방골성 골육종의 생존분석

이상훈,이창섭,이한구,김석준,Lee, Sang-Hoon,Lee, Chang-Seop,Lee, Han-Koo,Kim, Sug-Jun 대한근골격종양학회 1995 대한골관절종양학회지 Vol.1 No.1

The prognosis of parosteal osteosarcoma is better than any other malignant bone tumors, but there are many controversies in its treatment. We tried to evaluate the prognosis and the effectiveness of limb-salvage operation in the treatment of the parosteal osteosarcoma. We experienced 12 patients of conventional parosteal osteosarcoma(2 males and 10 females) from 1981 to 1991. The limb-salvage operations with wide resection margin were done in 8 patients(5 tumer prosthesis, 2 resection arthrodesis and 1 vascularized fibular transplantation), marginal en-bloc resection and amputation in 2 patients, respectively. The duration of mean follow up was 5 years and 9 months, ranging from 2 year-3 months to 11 years, except of the patient who died with metastasis 1 year 8 months after. The disease-free survival rate(DFSR) of all patients was 68% and that of the patients treated with limb-salvage operation was 88% at 7 years. The DFSR was 33% with marginal margin(3 cases) and 89% with wide margin(9 cases) at 7 years. The results were unsatisfactory in the conventional parosteal osteosarcoma treated with marginal resection. The limb-salvage operation with wide surgical margin was thought to be the treatment of choice.

봉독약침이 류마티스 관절염 환자의 기능회복 및 삶의 질에 미치는 영향

이상훈,이현종,박상민,김수영,박재경,홍승재,양형인,최도영,김건식,이두익,이윤호,이재동,Lee, Sang-Hoon,Lee, Hyun-Jong,Park, Sang-Min,Kim, Su-Young,Park, Jae-Kyung,Hong, Seung-Jae,Yang, Hyung-In,Choi, Do-Young,Kim, Keon-Sik,Lee, Doo-Ik,Lee, 대한약침학회 2002 Journal of pharmacopuncture Vol.5 No.2

Objective: To evaluate the effects of bee venom acupuncture(BVA) on the rehabilitation and quality of life in rheumatoid arthritis(RA) patients Methods: Patients with RA were treated with the BVA therapy twice a week for 3 months. Tender joint counts, swollen joint counts, morning stiffness, Erythrocyte Sedimentation Rate(ESR), C-reactive protein(CRP), patient global assessment, physician global assessment, Korean health assessment questionnaire(KHAQ) were estimated and analyzed before and after BVA therapy. Results: Tender joint counts, swollen joint counts, morning stiffness showed significant decrease after BVA therapy. But, as acute inflammatory reactants, ESR showed no significant difference and CRP showed significant increase after BVA therapy. Patient global assessment, physician global assessment, and KHAQ index showed significant improvement after BVA therapy. Conclusions: BVA therapy can improve rehabilitation and health-related quality of life in RA patients as well as clinical symptoms and signs. Further study is required in more population with large scale including acute inflammatory reaction of BVA therapy.

율무 약침이 고지방식이 급여 흰쥐의 혈액 내 지질구성 및 Glucose량에 미치는 영향

이상훈,이지향,이은,이준무,Lee, Sang-Hoon,Lee, Ji-Hyang,Lee, Eun,Lee, Joon-Moo 경락경혈학회 2006 Korean Journal of Acupuncture Vol.23 No.1

Objective : To investigate the effects of Yullmoo (Coix lachryma-jobi var. mayuen stapf.) Pharmacopuncture on plasma lipid composition and glucose concentration in hyperlipidemic rats. Methods : ${\beta}-lipoprotein$ free fatty acids, triglyceride and total cholesterol levels in Yullmoo (Coix lachryma-jobi var. mayuen stapf.) Pharmacopuncture groups were compared with those in the control group. Results : Concentration of ${\beta}-lipoprotein$ showed no significantly different in all treatment groups. Concentration of free fatty acids, triglyceride and total cholesterol in plasma were decreased in the Yullmoo (Coix lachryma-jobi var. mayuen stapf.) Pharmacopuncture groups. In the Yullmoo (Coix lachryma-jobi val. mayuen stapf.) Pharmacopuncture groups, plasma LDL-cholesterol showed a lower value and HDL-cholesterol showed a higher value than those of the control group. Contents of glucose were decreased in the Yullmoo (Coix lachryma-jobi val. mayuen stapf.) Pharmacopuncture groups. Conclusions : The results suggest that Yullmoo (Coix lach.yma-jobi var. mayuen stapf.) Pharmacopuncture may have an impact on lipid metabolism to potentially prevent obesity and enhance treatment effect.

저칼슘식이가 백서의 하악골 골절치유에 미치는 영향에 관한 실험적 연구

이상훈,황의환,이상래,LEE Sang-Hoon,HWANG Eui-Hwan,LEE Sang-Rae 대한영상치의학회 1997 Imaging Science in Dentistry Vol.27 No.1

The purpose of this study was to investigate effects of osteoporosis on fracture wound healing in the calcium deficient rat. To research the experiment some ten-week old Wistar strain rats with approximately 300 gms weight were selected. Then, the rats were divided into two groups: Normal diet group(rats given a normal diet before and after bone fracture) and Low calcium diet group(rats given a low calcium diet before and after bone fracture). Both groups had been provided with each diet for three weeks. When the rats became thirteen weeks old, the mandibular angle of rats in both groups was artificially fractured for test. The healing of fracture wounds was reviewed by using soft x-ray radiography and /sup 99m/Tc-MDP bone scan and also histopathologic examination. The obtained results were as follows : 1. The radiolucency of the fracture site for the Normal diet group started to decrease from the 14th day since the experiment was made, while the Low calcium diet group began decrease in the radiolucency from the 21st day of the experiment. The radiolucency for the Normal diet group disappeared at the 42nd day, but one for the Low calcium diet group disappeared at the 56th day of the experiment. 2. The highest uptake rate of /sup 99m/Tc-MDP stood at the 14th day of the experiment in the Normal diet group and the Low calcium diet group's maximum rate was recorded at the 21st day of the experiment. These both groups were gradually experiencing decrease in the uptake rate as the experiment time was going on. However, the uptake rate in the Low calcium diet group was lower than one in the Normal diet group. 3. For the Normal diet group, the newly formed trabeculae, which were similar to one of the surroundung bone, were seen at the 42nd day of the experiment. On the other hand, the Low calcium diet group showed at the 56th day of the experiment that the osteoporotic findings looked weak, irregular trabeculae, and also large bone marrow space were observed clearly. As a result of the above experiment, it is said that the healing of the fracture can be completed for both groups, the Normal diet group and the Low calcium diet group. However, the amount of the newly formed bone wound in the Low calcium diet group is rather decreased compared to one in the Normal diet group and at the same time the healing of the fracture is delayed in the Low calcium diet group. Consequently, for the successful healing of fracture in osteoporosis, it is considered that the management of the etiologic factors of osteoporosis must be preceded. The more study of calcium metabolism and functions of osteoblast and osteoclast needs to proceed on.

봉독약침이 류마티스 관절염 환자의 관절 통증, 종창 및 급성 염증 반응에 미치는 영향

이상훈,이현종,백용현,김수영,박재경,홍승재,양형인,김건식,이재동,최도영,이두익,이윤호,Lee, Sang-hoon,Lee, Hyun-jong,Baek, Yong-hyeon,Kim, Su-young,Park, Jae-kyung,Hong, Seung-jae,Yang, Hyung-in,Kim, Keon-sik,Lee, Jae-dong,Choi, Do-young,L 대한침구의학회 2003 대한침구의학회지 Vol.20 No.2

Objective : In order to study the effects of bee venom(BV) on the pain, edema, and acute inflammatory reactant of rheumatoid arthritis(RA) patients. Methods : Patients with RA who met the ACR(American College of Rheumatology) 1987 revised criteria for the diagnosis of RA were treated with the BV therapy twice a week for 3 months. Tender joint counts, swollen joint counts, Visual analog scale(VAS), morning in stiffness, ESR, C-reactive protein(CRP) were analyzed before and after BV therapy. Results : The results as follows: 1. Tender joint counts in patients after BV therapy were significantly lower than those before BV therapy($9.0{\pm}7.9$ vs $15{\pm}11.4$, p=0.002). 2. Swollen joint counts of the patients after BV therapy were significantly lower than those before BV therapy ($5.0{\pm}6.1$ vs $1.5{\pm}2.3$, p=0.001). 3. VAS in patients after BV therapy was significantly lower than before BV therapy($60.8{\pm}17.6$ vs $38.0{\pm}15.9$, p=0.000). 4. Duration of morning stiffness in patients after BV therapy was significantly reduced compared with that before BV therapy($119.1{\pm}112.6min$ vs $59.0{\pm}89.7min$, p=0.009). 5. ESR and CRP were not significantly changed before and after BV therapy, suggesting BV itself could make inflammatory reaction as well as therapeutic effect. Conclusions: BV therapy improved tender joint counts, swollen joint counts and duration of morning stiffness in this study, and further study is needed in log-term effect of BV therapy.

염과 건조 스트레스 조건에서 톨 페스큐의 종자 발아율과 유전자 발현 변화분석

이상훈,이기원,최기준,김기용,지희정,황태영,이동기,Lee, Sang-Hoon,Lee, Ki-Won,Choi, Gi Jun,Kim, Ki-Yong,Ji, Hee Jung,Hwang, Tae Young,Lee, Dong-Gi 한국초지조사료학회 2014 한국초지조사료학회지 Vol.34 No.2

염 또는 건조 스트레스 처리에 의한 톨 페스큐 종자의 발아율 변화와 유식물체 수준에서의 유전자 발현을 조사하기 위하여 in vitro 조건에서 NaCl과 PEG를 처리하여 분석하였다. NaCl 처리시 톨 페스큐 품종별 발아율은 50 mM 농도에서 발아율이 서서히 감소하기 시작하였으며 350 mM의 농도에서는 모든 품종에서 발아가 되지 않는 경향을 보였다. NaCl 처리 농도에 따른 발아율 감소율은 Fawn 품종이 가장 큰 변화를 보였으며 Kentucky-31(E-) 품종이 가장 강한 내성을 보였다. 또한, PEG 처리시 톨 페스큐 품종별 발아율의 변화도 NaCl 처리시와 유사한 경향을 보였으며 고농도인 30% PEG 처리구에서는 모든 품종에서 발아가 되지 않는 경향을 보였으며 Kentucky-31(E-) 품종이 가장 강한 내성을 보였다. 톨 페스큐 유식물체 수준에서 염해와 건조 스트레스에 의한 유전자 발현양상을 조사하기 위하여 DEGs (differentially expressed genes) 탐색을 위한 ACP-based GeneFishing$^{TM}$ PCR 분석을 통해 NaCl 또는 PEG 처리에 따른 발현량의 차이를 보이는 총 4개의 DEG를 선발하여 클로닝하고 염기서열을 분석하였다. 무처리구에 비해 NaCl 처리시 4개의 DEG가 증가하였고 감소하는 DEG는 확인 되지 않았으나, PEG 처리에서는 3개의 DEG (DEG 1, 3, 및 4)가 증가하였고 1개의 DEG가 감소하는 경향을 나타내었다. 발굴된 DEG들을 blastx 검색에 의하여 rubisco large subunit (DEG1), microsomal glutathion S-transferase (GST) 3-like isoform 1 (DEG2) 유전자로 동정되었다. Salinity and drought stresses are probably the most significant abiotic factor limiting plant's growth, also negatively affect seed germination and early seedling development. To study on effect of NaCl and PEG stress on seed germination and gene expression pattern of tall fescue, the levels of NaCl and PEG-induced water stresses were determined in first experiment. Different concentration of NaCl (0 to 350 mM) and PEG (0 to 30%) were used for seed treatment. Seed Germination percentage reduced with increasing osmotic potential of growth medium either due to NaCl or PEG. Seeds were not germinate at 350 mM NaCl or 30% PEG treatment. On the basis of the results, Kentucky31(E-) had more resistant than Fawn in both stress conditions. Furthermore, we have used an annealing control primer-based differential display reverse transcription-polymerase chain reaction method to identify salt- and drought stress-induced differentially expressed genes (DEGs) in tall fescue leaves. Using 120 annealing control primers, a total of 4 genes were identified and sequenced. The possible roles of the identified DEGs are discussed in the context of their putative role during salinity and drought stresses.

무작위 대조 이중맹검 시험을 통한 봉독 약침의 류마티스 관절염 치료 효과 연구

이상훈,홍승재,김수영,양형인,이재동,최도영,이두익,이윤호,Lee, Sang-hoon,Hong, Seung-jae,Kim, Su-young,Yang, Hyung-in,Lee, Jae-dong,Choi, Do-young,Lee, Doo-ik,Lee, Yun-ho 대한침구의학회 2003 대한침구의학회지 Vol.20 No.6

Objective : This study was performed in order to evaluate the effect of bee venom therapy on rheumatoid arthritis by randomized controlled double blind method. Methods : RA patients were recruited and divided into an experiment group and a control group by random selection. As a double blind test, the experiment group was treated with bee venom injection on acupoints, and the control group was treated with normal saline injection on acupoints twice a week for 8 weeks. Tender joint count, swollen joint count, morning stiffness, pain, health assessment questionnaire, ESR, and CRP were estimated and analyzed at baseline, and at 1 month and 2 months after bee venom therapy. Results : Compared to the control group, the experiment group showed significant decrease in tender joint count, swollen joint count, morning stiffness, and health assessment questionnaire after 2 months. Pain, ESR and CRP showed significant decrease in the experiment group after 1 & 2 months. Conclusions : These results suggests that bee venom therapy could be an effective method in the treatment of patients with rheumatoid arthritis.