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재발성 카포시수두양발진의 임상적 특징과 유발요인에 대한 분석
배경남 ( Kyung-nam Bae ),김태욱 ( Taewook Kim ),박성민 ( Sungmin Park ),이현주 ( Hyun Joo Lee ),진현주 ( Hyunju Jin ),유향석 ( Hyangsuk You ),심우행 ( Woo-haing Shim ),김건욱 ( Gun-wook Kim ),김훈수 ( Hoon-soo Kim ),고현창 ( Hyun- 대한피부과학회 2019 대한피부과학회지 Vol.57 No.9
Background: Kaposi varicelliform eruption (KVE) is a disseminated viral infection primarily caused by the herpes simplex virus in the setting of an underlying chronic skin disease. Few studies have reported the clinical characteristics and predisposing factors for recurrent KVE. Objectives: To characterize the clinical features and predisposing factors for recurrent KVE. Methods: This retrospective comparative study of recurrent vs. single-episode KVE was performed at the Pusan National University Hospital between 2004 and 2017. Results: A total of 84 episodes occurred in 60 patients, and of these, 13 patients developed recurrence (21.7%). No statistically significant intergroup difference was observed in the mean age and sex distribution. The face was the most common site of involvement in both groups, followed by the trunk and the upper and lower extremities. Atopic dermatitis was the most common pre-existing disease in both groups; however, Darier’s disease was more common in the recurrent KVE group, and this difference was statistically significant. Most patients with KVE (66.7%) showed aggravation of the underlying skin disease within 3 months of KVE onset. This finding was more prominent in patients with recurrent episodes (91.7%) than in those with single-episode KVE (58.3%), (p=0.040). Conclusion: This study can contribute to a better understanding of recurrent KVE and guide clinicians in treating patients with conditions predisposing to KVE. (Korean J Dermatol 2019;57(9):519∼526)
Skin-whitening effects of Spergularia marina by suppressing MITF translocation
김재훈,심우진,남지수,박수현,송지혜,남태규,김종훈,임원철,임태규 한국식품과학회 2024 Food Science and Biotechnology Vol.33 No.4
Spergularia marina is a plant that grows in salty regions along the coastline and exerts radical-scavenging and anti-inflammatory effects. In this study, we investigated the skin-whitening effects of S. marina extract (SME) in B16F10 melanoma cells. SME was found to exert radical-scavenging effects. It suppressed α-melanocyte-stimulating hormone-induced melanogenesis and tyrosinase activity. We also assessed the melanin production signaling pathway to identify the inhibitory action mechanism of SME on melanogenesis. SME decreased the protein expression levels of tyrosinase-related protein (TRP)-1, TRP-2, and tyrosinase, which play important roles in melanogenesis. Furthermore, western blotting revealed that SME inhibited the nuclear translocation of melanocyte inducing transcription factor (MITF), which is a transcription factor for TRP-1, TRP-2, and tyrosinase, suggesting that SME exerts its skin-whitening effect by inhibiting MITF nuclear translocation. Therefore, SME may potentially be used in skin-whitening medicines and cosmetics.
김순애,심우호,이은희,이영미,범선희,김은석,유정선,남지선,조민호,박종숙,안철우,김경래 대한당뇨병학회 2011 Diabetes and Metabolism Journal Vol.35 No.2
Background: Sitagliptin is a highly selective dipeptidyl peptide-4 (DPP-4) inhibitor that increases blood levels of active glucagon-like peptide (GLP)-1 and glucose-dependent insulinotrophic polypeptide (GIP), resulting in increased insulin secretion. While studies conducted in other countries have indicated the efficacy and safety of using sitagliptin to treat type 2 diabetes mellitus (T2DM), its predictors of effects to sitagliptin are not well understood. Therefore, we evaluated the predictive clinical parameters for the therapeutic benefits of sitagliptin when added to an ongoing metformin or sulfonylurea therapy in Korean T2DM subjects. Methods: We obtained data from 251 Korean T2DM subjects who had recently started taking sitagliptin as add-on therapy. Exclusion criteria included any insulin use. Changes in HbA1c (ΔHbA1c) and fasting plasma glucose (ΔFPG) were assessed by comparing baseline levels prior to sitagliptin administration to levels 12 and 24 weeks after treatment. Responders were defined as subjects who experienced decrease from baseline of >10% in ΔHbA1c or >20% in ΔFPG levels at 24 weeks. Results: We classified 81% of the subjects (204 out of 251) as responders. The responder group had a lower mean body mass index (23.70±2.40 vs. 26.00±2.26, P≤0.01) and were younger (58.83±11.57 years vs. 62.87±12.09 years, P=0.03) than the non-responder group. Conclusion: In Korean T2DM subjects, sitagliptin responders had lower body mass index and were younger compared to non-responders.
Genuine traditional Korean medicine, BaekJeol-Tang for the treatment of rheumatoid arthritis
한나라,심우문,설무창,김민철,이창희,김동원,이세훈,이호철,류중민,남봉수,김종옥,문성오,장현록,김영석,이인,양진영,황규선,천창선,정현석 셀메드 세포교정의약학회 2013 셀메드 (CellMed) Vol.3 No.2
Inflammation in rheumatoid arthritis is characterized by immune cell infiltration and cytokine secretion. In particular, mast cells and their cytokines play an important role in the pathogenesis of rheumatoid arthritis. Korean medicine, BaekJeol-Tang (BT) was designed by traditional Korean medicine theory. We already reported therapeutic effect of BT in rheumatoid arthritis. Here, we report the specific underlying mechanism of BT in activated human mast cells, HMC-1 cells. In addition, we report for the first time that BT significantly inhibited the production and mRNA expression of proinflammatory cytokines including thymic stromal lymphopoietin, interleukin (IL)-1β, IL-6, IL-8, and tumor necrosis factor-α in activated HMC-1 cells. BT also decreased the activation of mitogen-activated protein kinases, nuclear factor-κB, and caspapase-1. Taken together, these results indicate that BT has potential as a regulator of inflammatory reactions for the treatment of arthritis such as osteoarthritis and rheumatoid arthritis.