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Ki Hyun Kim,Cheol Ku Youn,In Jae Kim,Hee Do Lee,Seong Teak Hong,Eui Yon Hong,Sun Hee Woo 한국약용작물학회 2017 한국약용작물학술대회 발표집 Vol.2017 No.05
Background : This experiment was conducted to select suitable industrial crop after Panax ginseng cultivation under the greenhouse in the middle area. Methods and Results : This experiment was conducted in greenhouse of Chungbuk Agricultural Research Service and extension services from 2015 and 2016 years. Ginseng grown four years in greenhouse. After cropping of Panax ginseng was transplanted Cynanchum wilfordii, Platycodon grandiflorm, Dioscorea opposita, and Codonopsis lanceolata. Non-cultivated field that were grown sesame. Cynanchum wilfordii, Platycodon grandiflorm, and Codonopsis lanceolata was collected in the Chungbuk area and Dioscorea opposita was collected in Andong-si. Each industrial crop after panax ginseng cultivation under the greenhouse was sowing from late April to early May 2015 years. The growth and yield of crop examined in the experiment were good on the whole except Codonopsis lanceolata without disease due to continuous cropping of Panax ginseng. The yield of Cynanchum wilfordii, Platycodon grandiflorm, Dioscorea opposita, and Codonopsis lanceolata was 803kg, 1,393kg, 1031kg, 412kg per 10a respectively, and the every decline yield index was by 1%, 8%, 12%, and 31% respectively. The proper crop in after cropping of Panax ginseng was cynanchum wilfordii, which was yielded 1,393kg per 10a by fresh tuber and it was 1% decline compared to the non-cultivated field. Conclusion : In this study, Cynanchum wilfordii, Platycodon grandiflorm, Dioscorea opposita was recommended as a crop after Panax ginseng cultivation under the greenhouse in the middle area.
Ki Hyun Kim,Cheol Ku Youn,In Jae Kim,Hee Do Lee,Jin Woo Bae,Seong Teak Hong,Eui Yon Hong,Sun Hee Woo 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.10
Background : This study was performed to investigate the morphological and growth characteristics of tetraploid Polygonum multiflorum L. with colchicine treatment, and to clarify its effective induction and time for the increase of rhizome hypertrophy and effective components. Methods and Results : The induction of tetraploid P. multiflorum were done with colchicine treatment of 0.1, 0.5, and 1.0% conc. and the time was treated with 12, 24, and 48 hrs, respectively. DMSO 1% is treated for the effective penetration of colchicine with constant-temperature oven at 24C. Leaf explant was added the HR-A solution stained with HR-B solution, and then determined whether DNA contents of the doubles or not. Seed stand rate showed lower tendency as higher treatment concentration and as delayed the treatment time. When treated in DMSO 1% with 48 hr, seed stand was so small rate with 2%, and treated in 0.5% with 12 hr, seed stand was recorded higher rate with 33%. When treated in 0.5% colchicine with 24 hr, chimera and tetraploid induction rates were highest and obtained 29 individual chimera and 5 individual tetraploid. On overground growing, mean stem diameter of tetraploid (11.3 ㎜) is two times thicker than that of diploid (6.4 ㎜), with the vigorous growth. leaf length and width of tetraploid was 9.1 and 6.2 ㎝, respectively, and that of diploid was 6.8, and 5.1 ㎝, respectively. Stem diameter of a scape was also more thicker tendency in tetraploid than in diploid, chlorophyll contents over 29% existed in tetraploid. Investigated result from stoma no. and size of leaf with 400 magnification, stoma no. of diploid (26 individual) was four times higher than that of tetraploid (7 individuals), the size of tetraploid (38 ㎛) is twice longer in size of diploid (18 ㎛) and stoma area are broaden in four times. Seed length of tetraploid (3 ㎜) is longer than that of diploid (22 ㎜); but, seed width of tetraploid (22 ㎜) is widen than that of diploid (14 ㎜) in seed size comparison. That is, seed length is bigger in 1.4 times and seed width is bigger in 1.6 times, and seed surface area is broaden in two times. Conclusion : From above results, overground growing of tetraploid P. multiflorum is fairly better than that of native P. multiflorum. In the future, this tetraploid variety will promote to register when recognize the excellence than native species after tested the disease tolerance, underground growing characteristics, and key index component.
Park, Chan Woo,Lee, Sun Hee,Yang, Kwang Moon,Lee, In Ho,Lim, Kyung Teak,Lee, Ki Heon,Kim, Tae Jin The Korean Society for Reproductive Medicine 2016 Clinical and Experimental Reproductive Medicine Vol.43 No.2
Objective: The aim of this study was to report a case series of in vitro matured (IVM) oocyte freezing in gynecologic cancer patients undergoing radical surgery under time constraints as an option for fertility preservation (FP). Methods: Case series report. University-based in vitro fertilization center. Six gynecologic cancer patients who were scheduled to undergo radical surgery the next day were referred for FP. The patients had endometrial (n=2), ovarian (n=3), and double primary endometrial and ovarian (n=1) cancer. Ex vivo retrieval of immature oocytes from macroscopically normal ovarian tissue was followed by mature oocyte freezing after IVM or embryo freezing with intracytoplasmic sperm injection. Results: A total of 53 oocytes were retrieved from five patients, with a mean of 10.6 oocytes per patient. After IVM, a total of 36 mature oocytes were obtained, demonstrating a 67.9% maturation rate. With regard to the ovarian cancer patients, seven IVM oocytes were frozen from patient 3, who had stage IC cancer, whereas one IVM oocyte was frozen from patient 4, who had stage IV cancer despite being of a similar age. With regard to the endometrial cancer patients, 15 IVM oocytes from patient 1 were frozen. Five embryos were frozen after the fertilization of IVM oocytes from patient 6. Conclusion: Immature oocytes can be successfully retrieved ex vivo from macroscopically normal ovarian tissue before radical surgery. IVM oocyte freezing provides a possible FP option in patients with advanced-stage endometrial or ovarian cancer without the risk of cancer cell spillage or time delays.
Hee Jae Lee,Gyu-Seog Choi,Jun Seok Park,Soo Yeun Park,Hye Jin Kim,In Teak Woo,In Kyu Park 대한외과학회 2018 Annals of Surgical Treatment and Research(ASRT) Vol.94 No.2
Purpose: We developed a technique of totally-robotic right colectomy with D3 lymphadenectomy and intracorporeal anastomosis via a suprapubic transverse linear port. This article aimed to introduce our novel robotic surgical technique and assess the short-term outcomes in a series of five patients. Methods: All colectomies were performed using the da Vinci Xi system. Four robot trocars were placed transversely in the suprapubic area. Totally-robotic right colectomy was performed, including colonic mobilization, D3 lymphadenectomy, and intracorporeal stapled functional anastomosis. The 2 middle suprapubic trocar incisions were then extended to retrieve the specimen. Results: Five robotic right colectomies via the suprapubic approach were performed between August 2015 and February 2016. The mean operation time was 183 ± 29.37 minutes, and the mean estimated blood loss was 27 ± 9.75 mL. The time to clear liquid intake was 3 days in all patients, and the mean length of stay after surgery was 6.2 ± 0.55 days. No patient required conversion to conventional laparoscopic surgery. There were no perioperative complications. According to the pathology report, the mean number of harvested lymph nodes was 36.6 ± 4.45. Four patients were stage III, and 1 patient was stage II according to the 7th edition of the American Joint Committee on Cancer system. Conclusion: Totally-robotic right colectomy via the suprapubic approach can be performed successfully in selected patients. Further comparative studies are required to verify the clinical advantages of our technique over conventional robotic surgery.