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( Hyang-suk Ryu ),( Tae-wook Kim ),( Hyun-joo Lee ),( Sung-min Park ),( Hyunju Jin ),( Woo-haing Shim ),( Gun-wook Kim ),( Hoon-soo Kim ),( Hyun-chang Ko ),( Byung-soo Kim ),( Moon-bum Kim ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: A distinctive clinical pattern of alopecia is very important for the differential diagnosis among various alopecia. However, dermatologists may have difficulty making correct diagnosis when alopecia occurred in a linear pattern because their clinical presentation might be extremely rare. Objectives: To identify the clinical and histopathological characteristics of linear alopecia of the scalp in Korean patients Methods: This retrospective study included patients with linear alopecia of the scalp presenting at the Pusan National University Hospital (Busan and Yangsan) during a 15-year period (2002-2017). In all the patients, biopsies were performed and final diagnosis was made based on clinical and histopathologic findings. We reviewed medical records, clinical photos, and histopathological slides. Results: Twenty-one patients with linear alopecia of the scalp were included in this study. The most common dermatoses was En Coup de Sabre (7/21, 33.3%), followed by alopecia areata (5/21, 23.8%), lupus erythematosus (2/21, 9.5%), pseudopelade of Brocq (2/21, 9.5%), non-specific scarring alopecia (2/21, 9.5%), triangular alopecia (1/21, 4.8%), trichotillomania (1/21, 4.8%), and traction alopecia (1/21, 4.8%). Conclusion: The result of this study could be helpful for dermatologits when encounting linear alopecia of the scalp.
脊髓 感覺神經節 細胞에 대한 重金屬 및 酸素遊離氣의 細胞損傷에 미치는 韓藥劑의 神經細胞損傷 回復에 미치는 影響에 對한 硏究
柳道坤,李廷憲,成疆慶,李建穆,辛民敎,鄭遇悅,李星根,洪起年,尹向錫,李康昌,宋昊俊,禹元洪,朴承澤,田炳薰 대한동의병리학회 2000 동의생리병리학회지 Vol.14 No.1
중금속의 독성을 산화적 손상 측면에서 규명하며 동시에 중금속의 산화적 손상에 의한 한약추출물의 효과를 항산화적측면에서 조사하기 위하여 생쥐의 척수 감각신경절세포에 여러 농도의 FeSO₄를 처리한 후 이의 독성효과를 조사하였다. FeSO₄는 생쥐의 배양 척수 감각신경질세포에 처리한 농도와 시간에 비례하여 세포생존율을 유의하게 감소시켰으며, 15μM FeSO₄의 농도에서 척수 감각신경절세포를 4시간 동안 배양한 결과 MTT50 과 NR50 값을 나타냈으며 이는 고독성인 것으로 나타났다. [고독성; 100μM> MTT50, NR50]. 한편, 한약추출물인 원두충(EU)과 음양곽(EK) 및 감초(GC)는 FeSO₄에 의해서 유도된 신경독성에 대하여 세포생존율을 현저히 증가시킴으로서 유의한 방어효과를 보였다. 이상에서 FeSO₄는 생쥐의 배양 척수 감각신경절세포에 고독성으로 나타났으며, 또한 음양곽이나 익지인 및 감초와 같은 선택적인 한약추출물이 FeSO₄에 의해서 유도된 신경독성을 효과적으로 방어하였다. To clarify the mechanism between neurotoxity of metal and oxidative stress, toxic effect of FeSO₄was examined by MTT assay and NR assay in cultured spinal dorsal root ganglion(DRG) neurons from mouse. And also neuroprotective effects of antioxidant and several herb extracts on FeSO₄decreased cell viability in dose and time dependentry in cultured mouse spinal DRG neurons. MTT50 and NR50 values were determined at 15μM FeSO₄for 4 hours in these cultures, and this value was heighly toxic; MTT50, NR50 < 100μM). Glutathione markedly increasd cell viability after preincubation of DRG neros for 2 hours in the media containing cocentrations of 2-6mM glutathione. In neuroprotective of herb extracts, Eucommia lmoides Oliver(EU), Epimedium koreanum Nakai(EK) and Glycyrrhiza uralensis Fisch(GC) were very effective in blocking the neurotoxicity induced by FeSO₄in cultured mouse spinal DRG neurons. These results suggested that FeSO₄was heighly toxic in cultured mouse spinal DRG neurons, and selective herb extracts such as Eucommia ulmoides Oliver(EU), Epimedium koreanum Nakai(EK) and Glycyrrhiza uralensis Fisch(GC) were effective in blocking the FeSO₄-induced neurotoxicity in cultured mouse spinal DRG neurons.
A New Red Leaf Lettuce Cultivar "Jangsu"
Suk Woo Jang,Young Seok Kwon,Seung Yeol Ryu,Jeom Soon Kim,Eung Ho Lee,Myeong Whoon Seo,Jae Ho Park,Mi Hyang Jang,Jeong Man Kim,Hae June Hwang,Sun Bo Ko 한국육종학회 2007 한국육종학회지 Vol.39 No.3
A new red leaf lettuce (Lactuca sativa L.) cultivar, “Jangsu” which has late bolting and good red expression leaf color was developed from a cross of “Yeolpungcheokchima” (late bolting and high yield) and “Seoulyakchima” (dark red color). The selection and breeding of advanced lines were done by pedigree method during 2000-2004. The advanced lines were evaluated for yield and adaptability in Korea (Gangwon, Kyunggi, Chungbuk, Kyungnam, Jeonnam, Jeonbuk, and Jeju) from 2005 to 2006. The “Jangsu” has gray seed color and elliptic thick leaves. Compared to “Yeolpungcheokchima”, marketable yield of “Jangsu” was lower by 10% (at 469 g per plant), but with particularly improved good expression of red leaf color in high temperature cultivation in the field. The shelf-life of “Jangsu” was three weeks longer than “Yeolpungcheokchima” at 4℃. The amount of bitter sesquiterpene lactones (BSL) and sugar content of “Jangsu” were similar with “Yeolpungcheokchima” at 46 ㎍/g and 4.8 brix, respectively, but taste is better, more crispy, and sweeter than “Yeolpungcheokchima”.
Clinical Research Article : Clinical experience of the percutaneous release for trigger fingers
( Han Koo Ryu ),( Sang Kon Lee ),( Byung Woo Min ),( Jong Suk Ban ),( Ji Hyang Lee ),( Eun Joo Kim ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.1
Background: Conservative management for the trigger fingers includes splinting, steroid injection and other adjuvant methods. If conservative treatment fails, a surgical release of the A1 pulley is offered. Although the success rate of the surgical intervention is high, the complications, for example, a digital nerve injury, bowstringing, infection and continued triggering, have been reported. Percutaneous release with an 18 guage needle has been reported as a safe and effective procedure for the trigger fingers. This study evaluates the safety and efficacy of the percutaneous release. Methods: 33 patients received the percutaneous release of the A1 pulley with an 18 guage needle and steroid injection (Group A) and 36 patients did the only administration of steroid as a control group (Group B). Patients were examined with a clinical staging for the Watanabe stage (W stage) and 0-10 points verbal numerical rating scale (VNRS) score at 1 week, 3 months, 1 year after the initial treatment. Results: After 1 year of the follow-up, 93.5% in the group A and 57.6% in the group B had complete release of the trigger fingers in the W stage. VNRS after the initial treatment demonstrated that the decrement of the pain score was more significant in the group A. Conclusions: We need to consider the percutaneous release with steroid injection at an early stage of the trigger fingers because of the more effective resolution of the symptoms and the better long-term prognosis than a steroid injection alone. (Korean J Anesthesiol 2009;56:60~5)
후복막강에 (後腹膜腔) 발생한 망상형 (網狀形) 신경섬유종 (神經纖維腫)
이윤석 ( Yun Suk Lee ),심경보 ( Kyung Bo Shim ),김창덕 ( Chang Duck Kim ),최향희 ( Hyang Hee Choi ),현진해 ( Jin Hai Hyun ),유호상 ( Ho Sang Ryu ) 대한소화기학회 1987 대한소화기학회지 Vol.19 No.2
NeurOfibromatosis is mendelian dominant phakomatosis characterized by formation of multiple nerve sheath tumors and cafe-au-lait spots, changes in other tissues such as bone, joint, central nervous system, and localized gigantism. This case was a in complete neurofibromatosis which was solitary plexiform neurofibroma developed in retroperitoneal cavity without other lesions of von-Recklinghausen's neurofibromatosis and family history. We would like to repnrt this case with literature review.
( Geun-hwi Park ),( Hyang-suk Ryu ),( Woo-il Kim ),( Min-young Yang ),( Won-ku Lee ),( Tae-wook Kim ),( Hyun-joo Lee ),( Gun-wook Kim ),( Hoon-soo Kim ),( Hyun-chang Ko ),( Byung-soo Kim ),( Moon-bum 대한피부과학회 2018 대한피부과학회 학술발표대회집 Vol.70 No.1
Dermatofibroma is fibrohistiocytic tumor of the skin, commonly occurs as a solitary lesion on the lower extremities of young women. Multiple eruptive dermatofibromas (MEDFs), defined as presence of 5 to 8 dermatofibromas appearing within a period of 4 months, are rare and etiology of MEDFs is still unknown. However, they are frequently thought to be associated with altered immunity, such as autoimmune diseases and immunosuppression. It is unclear why MEDFs occur in association with these conditions, but this relationship may suggest that MEDFs are the result of an abortive immunoreactive process. We herein describe a middle-aged women who developed multiple dermatofibroma. She had myasthenia gravis for 8 years, and developed MEDFs after undergoing oral corticosteroid treatment (245 mg/wk) for 3 months. Therefore, our case could attribute to theory that using immunosuppressants works more dominant factor on occurrence of MEDFs than underlying immune disease.
Aspergillus ficuum 조효소액으로부터 Endoinulinase의 정제 및 특성
한상배,유향숙,노민환,이태규,손희숙,우순자,엄태붕 한국산업미생물학회 1991 한국미생물·생명공학회지 Vol.19 No.2
Aspergillus ficuum이 생산하는 endoglycosidase가 conventional CM, DEAE 및 HPLC DEAE, gel chromatography에 의해 단백질 ㎎당 460±40U의 specific activity로 정제되었다. 이 효소는 약 72,000분자량을 가지는 단량체로 이루어져 있었으며 당을 함유하고 있었다. 분해산물의 조사에 의한 작용기작은 전형적 endo cleavage mode를 보여주었으며 특이하게도 sucrose와 palatinose를 분해할 수 있었다. Endoinulinase was purified from a commercial inulin preparation produced by Aspergillus ficuum using ion exchange chromatography on CM-Sephadex C-50 and DEAE-Sepharose 6B, HPLC gel filtration on a Protein Pak 125 Column and HPLC ion exchange chromatography on a TSK DEAE-5pw Column. The endoinulinase had a molecular weight of 72,000±1,000 and was glycoprotein with 23 to 25% w/w sugar content. The enzyme was much more active on inulin with random cleavage mode than on sucrose and on palatinose: The ratio of activity on inulin and sucrose (I/S ratio) was 10∼14.