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人體 및 實驗動物의 正常皮膚에서 Lectin 結合에 關한 免疫酵素組織學的 硏究
吳七煥,金秀男 고려대학교 의과대학 1985 고려대 의대 잡지 Vol.22 No.3
Lectins are plant-derived protein which bind specially to simple or complex carbohydrate group. As such, lectin are useful tools in studying glycoprotein and glycolipid structure of cell surface. The author investigated the binding of lectin to normal skin of human, rat, rabbit and guinea pig. Using the avidin biotin peroxidase complex(ABC) method, applicable to formalin fixed paraffin embedded tissue, the binding properties of eight lectins were investigated; Concanavalin A (Con-A)~ Peanut agglutinin (PNA), Ricinus communis agglutinin I (RCAI), Soybean agglutinin (SBA), Dolichos biflorus agglutinin (DBA), Wheat germ agglutinin (WGA), Ulex europaeus agglutinin I (UEA I), Pinellia ternata agglutinin (PTA). The result obtained are as follow: 1. On the horny cell layer, Con-A showed positive reaction to human and rats, Con-A. and PNA showed positive reaction to guinea pig, Con-A, PTA and RCA I showed positive reaction to rabbits. 2. On the spinous cell layer and granular cell layer, Con-A, UEA I, PNA and RCA I showed positive reaction to human. Con-A, WGA and RCA I revealed positive reaction on the granular cell layer of guinea Fig, WGA and RCA I revealed positive reaction on the granular cell layer of rats. 3. On the basal cell layer, PNA, DBA, Con-A and WGA showed positive reaction to human. The other experimental animals showed negative reaction. Melanin containing kerationcyte bound PTA and WGA specifically in normal human epidermis. 4. On sebaceous gland, Con-A, RCA I, PNA and PTA showed positive reaction in human, Con-A, PTA, UEA I and RCA I showed positive reaction in rats, Con-A and PTA showed positive reaction in guinea rig, PNA, Con-A, WGA and RCA I showed positive reaction in rabbits. 5. Eccrine gland were existed in human and rats, but author are not found its in rabbits and guinea pig. On the glandular portion of human eccrine gland, SBA, DBA, WGA and RCA I showed positive reaction. Con-A, PTA, WGA and RCA I revealed positive reation on ductal portion of human eccrine gland. On the glandular portion of rat eccrine gland, WGA, RCA I, Co2-A and PTA showed positive reaction, DBA, UEA I showed focal positive reaction. WGA and RCA I revealed positive reaction on ductal portion of rat eccrine gland. 6. Apocrine gland were only found in normal human skin. SBA, PNA, DBA and WGA bound the luminal border in apocrine gland. Con-A, PTA, RCA I and UEA I showed positive cytoplasmic reaction on apocrine gland. 7. PNA labelled the hair matrix on human skin. In rats, ConA, PTA and RCA I bound the hair shaft, PNA bound the hair matrix. In guinea pig, RCA I, Con-A and WGA bound the hair shaft, DBA boond the hair matrix. In rabbits, WGA bound the hair matrix. The author also found that RCA I stained the endothelial cell in rabbits.
오칠환 한국피부장벽학회 2018 한국피부장벽학회지 Vol.20 No.2
인체 피부 질환의 진단에서 눈으로 판단하는 시진이 가장 널리 이용되는 진단적 접근법으로 시진의 구성요소는 피부 표면의 삼차적 계측과 피부 색채의 정량적 분포 연구 방법을 이용하는 방법이다. 이와 같은 방법으로 피부 질환 및 피부 상태에 대한 연구를 수행함으로써 미래의 피부 진단의 컴퓨터 자동 진단 (computer aid automatic diagnosis)의 기반을 구축할 수 있을 뿐 아니라, 피부질환의 치료제 및 기능성 화장품들의 효능 검증에도 유용하게 이용될 것으로 기대된다. 본 발표에서는 피부 표면의 삼차원적 정량화 연구를 streoimage optical topometer (SOT)를 이용하여 연구하였고, SOT를 이용한 광노화, 피부 주름 개선제 효과 검증, 아토피 피부염의 severity 정량화 및 보습제 효능 검증, 첩포 시험 결과의 정량화, 건선의 PASI score 정량화, 여드름 상처 치료제의 효능검증 등에 응용한 결과를 발표한다.