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Mannose가 옥수수 자엽초에서 Kinetin 유발 에틸렌 생성에 미치는 영향
李埈承,黃裕善 梨花女子大學校 韓國生活科學硏究院 1992 韓國生活科學硏究院 論叢 Vol.49 No.-
Effect of mannose on kinetin induced ethylene production was examined in corn coleoptile segments. Kinetin induced ethylene production was inhibited 40% in 6 hours and 75% in 12 hours of incubation period by 50mM of mannose. However, it was not inhibited by other sugars such as sucrose, glucose. or fructose. To elucidate how mannose inhibited the kinetin induced ethylene production, uptake of benzyladenine(BA-8-^14C) into the tissue was investigated. Mannose inhibited BA-8-^14C uptake into the tissue about 40% after 12 hour incubation period, but the other sugars did not have such an inhibitory effect. These results may suggest that mannose inhibits the kinetin induced ethylene production by suppressing kinetin uptake into the tissue.
천추부 척수수막 낭종(신경주위 낭종) : 1례 보고 A Case Report
이준승,박양화,권익승,류연석,홍승관,문명선 대한신경외과학회 1989 Journal of Korean neurosurgical society Vol.18 No.4
We experienced a rare case of sacral meningeal cyst so called sacral perineurial cyst(Tarlov cyst). A 15 years old girl was admitted to the hospital because of sudden severe low back pain and Lt. sciatica for about one week. We performed delayed myelography and spinal computeized tomographic myelography(C.T.M) for different diagnosis. Delayed filling of contrast media in the cyst was significant in diagnosis of sacral meningeal cyst type Ⅱ. Laminectomy of sacrum(S₁) was performed for partial excision of cystic wall and plastic suture. Operative finding was typical sacral perineurial cyst(Trarlov cyst) which was recently clssified as sacral meningeal cyst type Ⅱ. The classification of spinal meningeal cysts in the literature was indistinct and confused. We also agree with Nabors et. al, in current classification of spinal meningeal cysts, in which the spinal meningeal cysts, in which the spinal meningeal cysts were divided into 3 groups as extradural spinal Mcs TypeⅠ(Diverticulum), Type Ⅱ(perineurial cyst), intradural spinal Mcs(arachnoid cyst).