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김훈민(Hun Min Kim),최영제(Young Je Choi),김성택(Seong Taeck Kim) 대한안과학회 2018 대한안과학회지 Vol.59 No.9
목적: 양안에 언가지모양혈관염을 동반한 기구치-후지모토병 1예를 경험하였기에 보고하고자 한다. 증례요약: 33세 남자 환자가 양안의 시력 저하로 내원하였다. 1주일 전부터 두통, 오한, 근육통, 옆구리 통증이 있었다. 초진 당시 최대 교정시력은 우안 0.1, 좌안 0.2였고, 안저검사상 양안 후극부 및 주변부 망막에 전체적으로 퍼져 있는 언가지모양의 혈관초가 망막혈 관에서 관찰되었으며, 형광안저혈관조영술에서 혈관초가 형성된 망막혈관에서 형광색소의 염색과 누출이 있었다. 말초혈액검사, 혈액 배양검사, 복부 컴퓨터단층촬영, 뇌 컴퓨터단층촬영, 뇌척수액 검사상 특이 소견은 없었다. 경부 초음파 검사에서 림프절의 비대가 관찰되었고, 세침흡입조직검사에서 기구치-후지모토병으로 진단되었다. 전신 스테로이드 치료를 시작하였고, 1달 뒤 양안 교정시력은 1.0으로 호전되었다. 결론: 언가지모양혈관염 소견을 보이는 환자에서 기구치-후지모토병 등의 전신질환 동반 가능성에 대한 검사가 필요할 것으로 생각 된다. <대한안과학회지 2018;59(9):876-880> Purpose: A case of frosted branch angiitis in Kikuchi-Fujimoto disease is reported. Case summary: A 33-year-old male complained of a sudden decrease in visual acuity that developed in both eyes 5 days prior. He suffered from a headache, chills, myalgia, and flank pain 1 week before. The initial best-corrected visual acuity (BCVA) was 0.1 in the right eye and 0.2 in the left eye. On slit lamp examination, no inflammatory finding was observed in the anterior chamber and vitreous body of both eyes. On fundus examination, a diffuse vascular sheathing-like frosted branch was found in the retinal vessels, and retinal hemorrhage was observed. Fluorescein angiography showed staining and leakage of dye along the vascular sheathing. Serological findings were negative, showing no evidence of an autoimmune disease or viral infection. Neck ultrasonography revealed non-tender left cervical lymph node enlargement >1 cm in diameter. Ultrasound-guided fine needle aspiration cytology showed findings compatible with Kikuchi-Fujimoto disease, including necrotic changes and pronounced karyorrhexis, plus histiocyte and lymphocyte infiltration without neutrophils. We started systemic steroid therapy. One month after treatment, the BCVA of both eyes improved to 1.0. Conclusions: In patients with frosted branch angiitis, systemic disease such as Kikuchi-Fujimoto disease should be considered. J Korean Ophthalmol Soc 2018;59(9):876-880
김훈민 ( Hun-min Kim ),황성수 ( Sung Soo Whang ),구자춘 ( Ja-choon Koo ) 전북대학교 과학교육연구소 2020 과학과 과학교육 논문지 Vol.45 No.2
Since the 2000s, the domestic turfgrass industry has gradually increased in size and the number of cultivated species has changed. In industries that use turfgrass, organic synthetic fungicides are mainly used for the maintenance of turfgrass. However, these chemical control have many side effects such as the resistance of pathogens, pollution of the surrounding environment, and toxicity through phosphorus accumulation. Thus, biological control can be an alternative to reducing the side effects of chemical control in maintaining turfgrass. From this point of view, this study was conducted to select strains available for biological control of turfgrass pathogens. JK11 isolate was selected as a strain available as a biological control agent and antimicrobial activity was verified against turfgrass pathogens and other phytopathogenic microorganisms. As a result, JK11 showed growth a potent growth inhibition of both phytofungi and oomycete, Thus it was thought to be available as a strain for biological control of turgrass pathogens. In addition, the strong antimicrobial activity of JK11 is expected to be feasible in controlling phytopathogens derived from the surroundings of planted turfgrass.
쥐 회전근개 파열 모델의 건 부착부에서 카토제닌 주사의 효과
김동현 ( Dong Hyun Kim ),민승기 ( Seung Gi Min ),김훈민 ( Hun-min Kim ),최진현 ( Jin-hyun Choi ),이현주 ( Hyun Joo Lee ),박경현 ( Kyeong Hyeon Park ),윤종필 ( Jong Pil Yoon ) 대한스포츠의학회 2020 대한스포츠의학회지 Vol.38 No.4
Purpose: The purpose of this study was to investigate the effects of kartogenin (KGN) on the tendon-bone interface in a rat rotator cuff tear model. Methods: Twenty male rats were divided into two equal groups; group 1 (repair only) and group 2 (KGN single injection). A rat rotator cuff rupture model was prepared, and KGN (500 μM) was injected into the repair site. The specimens were collected after 8 weeks, and biomechanical and histological analyses were performed. We assessed the healing quality of the tendon-to-bone repair site using six aspects of tendon tissue. The histological findings were classified semiquantitatively into four grades (grade 0, the poorest appearance; grade 1, poorer; grade 2, better; and grade 3, marked regeneration). Results: Group 2 showed a higher mean ultimate load to failure than the control group (group 1: 25.78±31.38 N, group 2: 55.64±36.02 N; p=0.011). On histological analysis, group 2 exhibited a significantly greater total score (group 1: 7.20±2.14, group 2: 9.50±1.84; p=0.019), collagen fiber continuity (group 1: 1.20±0.42, group 2: 1.70±0.48; p=0.024), and collagen fiber density (group 1: 1.50±0.52, group 2: 2.20±0.63; p=0.080). Metachromasia were more intense in group 2 than in the control group. Conclusion: A single injection of KGN reinforces biomechanical strength and the formation of collagen and fibrocartilage at the tendon-to-bone interface in a rat rotator cuff tear model.