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이창섭,김우갑,Lee, Chang-Seob,Kim, Woo-Kap 한국현미경학회 1994 Applied microscopy Vol.24 No.4
Protein bodies in the endosperm cells of mature red ginseng (Panax ginseng C.A. Meyer) were distributed evenly in the cytoplasm and their size varied from 1 to $8{\mu}m$. Three types of protein bodies were detected and they are spherical or egg-shaped ones containing homogeneous matrix only, spherical ones containing globoids, and irregular shaped ones. Protein bodies degraded in two patterns, one is to start the degration of the body from the surface toward the center, while the other is that the body was broken evenly and then degraded gradually. After degradation, only the limiting membrane remained, that causes the body to be empty. The limiting membranes fused with each other to form a large vacuole. Vicilin and legumin decreased in the endosperm cells as the protein bodies degraded gradually whereas they increased in the umbiliform layers.
발달단계에 따른 인삼 (Panax ginseng C.A. Meyer) 배유세포의 Legumin에 대한 면역세포화학적 분포
이창섭,김우갑,Lee, Chang-Seob,Kim, Woo-Kap 한국현미경학회 1995 Applied microscopy Vol.25 No.1
Legumin was purified from the endosperm cells of the ginseng seed and analyzed its characteristics. Distributional patterns of the legumin in the endosperm cells were identified using the immunocytochemical method. Legumin was glycoprotein composed of two subunits, molecular weights about 33,000 and 25,000 respectively. The molecular shape of purified legumin stained negatively seems to have hexagonal structure about 10 nm in size. It was localized at the rER, dictyosomes, and in the vacuoles at the early developing stage. Legumin was glycosylated in the dictyosomes and transported from the dictyosomes to the vacuoles. Legumin was accumulated into the central vacuole via the dictyosomes while the endosperm cells were developing. The armorphous proteins containing legumin were scattered randomly within the central vacuoles, which were aggregated together and became gradually spherical shape. Legumin was distributed within the globular protein bodies in the endosperm cells of matured seed. However legumin was not found in the globoids located in the protein bodies.
인삼 ( Panax ginseng C. A. Meyer ) 종자의 후숙에 따른 배유세포의 (胚乳細胞) 미세구조 변화
유성철(Seong Cheol Yu),이창섭(Chang Seob Lee),김우갑(Woo Kap Kim) 한국식물학회 1992 Journal of Plant Biology Vol.35 No.1
This study has been carried out to investigate the ultrastructural changes in the associated with the disintegration of the storage materials in endosperm cell of ginseng (Panax ginseng C.A. Meyer) seed during after-ripening with light and electron microscope. The protein body of endosperm cells near the umbiliform layer showed various degenerative patterns, and so electron density of proteinaceous matrix was gradually decreased during after-ripening. These results indicate that the decomposition of endosperm was already initiated during after-ripening. As the degeneration of endosperm was more progressed after the dehiscence of seed, non-decomposed part of protein body appeared amorphously with high electron density. Decomposed protein bodies were vacuolized with the loss of their matrix and gradually expanded by fusion. Also, spherosomes were gradually dissolved with the lowered electron density during the degeneration of endosperm. The vesicles of dictyosomes near the cell wall are observed in endosperm contacting with umbiliform layer and are fused with plasma membrane. Umbiliform layer which was the complex of the decomposed remnants of lysis and materials has strong stainability for toluidine blue and basic fuchsin.
증례 : 4회의 면역 억제제 펄스 치료로 생존한 치명적 농도의 파라캇 중독 1예
김경리 ( Kyung Lee Kim ),이창섭 ( Chang Seob Lee ),이미진 ( Mi Jin Lee ),김효선 ( Hyo Sun Kim ),최명진 ( Myung Jin Choi ),윤종우 ( Jong Woo Yoon ),구자룡 ( Ja Ryong Koo ) 대한내과학회 2012 대한내과학회지 Vol.83 No.3
저자들은 치명적인 혈중 파라캇 농도(10.4 ug/mL)를 보여주면서 다발성장기부전 및 폐 섬유화에 의한 저산소증이 병발하여 생존 가능성이 극히 희박했던 중증 파라캇 중독 환자에서 골수기능억제가 나타날 정도까지 선제적이고 적극적으로 4차례의 스테로이드와 시클로포스파미드 펄스 면역 억제치료를 반복하였고, 치료 경과 중 면역 억제제로 인한 심각한 골수기능억제와 감염 등의 합병증이 발생하였으나 포기하지 않고 적극적인 치료를 시행하여 환자를 생존시켰기에 문헌고찰과 함께 보고하는 바이다. Although severe paraquat poisoning is fatal, intensive immunosuppression can be successful in selected patients. We report the case of a 33-yr-old patient who was poisoned by paraquat and developed multi-organ failure, progressive hypoxemia, and pulmonary fibrosis. The patient was successfully treated with four courses of immunosuppressive pulse therapy. The patient presented to the hospital 2.5 hours after ingesting 2 mouthfuls of paraquat. The serum level of paraquat was 10.40ug/mL at 3 hours and 3.36ug/mL at 10 hours after ingestion, which is predictive of a fatal outcome. The first course of steroid and cyclophosphamide pulse therapy was initiated after hemoperfusion. During the hospital course, the patient showed progressive hypoxemia with pulmonary fibrosis. Accordingly, three additional courses of immunosuppressive pulse therapy were administered to prevent pulmonary injury. This treatment inevitably led to bone marrow suppression, which was recovered with supportive care. The patient fully recovered after repeated immunosuppressive pulse therapy without residual hypoxemia and was successfully discharged from the hospital.