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송유림,Jang Mi Hee,Jang Boyun,Bae Su Jin,Bak Seon Been,Lee Sung Min,Yun Un-Jung,Lee Ju Hee,Park Sang Mi,Jung Dae Hwa,Sa Bok Suk,Song Jong Kuk,이은혜,김광연,Park Kwang-Il,김영우,김상찬 대한독성 유전단백체 학회 2022 Molecular & cellular toxicology Vol.18 No.2
Background Herbal prescriptions have various effects and their efficacy is potentiated by the use of combinations of medicinal herbs. Objective Jageum-Jung (JGJ) is a traditional oriental medical prescription composed of five herbs. It has been used for detoxifi cation, and as an anti-inflammatory and antitumor agent. However, the effect of JGJ on hepatic fibrogenesis is unclear. Results We investigated the role of JGJ in TGF-β1/smad signaling, which is implicated in fibrogenesis, and its hepatoprotective effect in CCl 4 -treated mice with liver fi brosis. Treatment of LX-2 cells with TGF-β induced expression of mediators (α-SMA, PAI-1, and MMP-2) of fibrogenesis and activation of proinflammatory cytokines (TNF-α, IL-1β, and IL-6). However, these were downregulated by pretreatment with JGJ. In mice, oral administration of JGJ prevented liver injury induced by CCl 4 , as indicated by decreases in the ALT and AST levels. Conclusions JGJ inhibits hepatic fibrogenesis and TGF-β1/Smad signaling.
Solitary Abdominal Tuberculous Lymphadenopathy Misdiagnosed as the Recurrence of Ovarian Cancer
( Un Seok Lee ),( Won Sup Lee ),( Gyeong Won Lee ),( Jung Hun Kang ),( Myung Hee Kang ),( Se Il Go ),( Anna Lee ),( Hoon-gu Kim ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Monitoring cancer antigen 125 (CA-125) serum levels is very useful for determining how epithelial ovarian cancer is responding to treatment and for predicting a patient`s prognosis after treatment. An increase in CA-125 levels within patients in a remission is a strong predictor of the recurrence of ovarian cancer. However, while CA-125 is best known as a tumor marker for ovarian cancer, it may also be elevated in other various malignancies and in some benign conditions such as peritonitis, pancreatitis, chronic liver diseases, pelvic inflammatory diseases, or endometriosis. We describe herein a case of solitary intra-abdominal tuberculous lymphadenopathy mimicking a local relapse of epithelial ovarian cancer. A 51-year-old woman presented with progressive rise in serum CA-125. She had been diagnosed with advanced epithelial ovarian malignancy and undergone debulking surgery about 4 years ago. She had been given platinum-based adjuvant chemotherapy and achieved complete remission (CR). During regular follow-up in CR, a progressive rise in serum CA-125 was detected. The abdominal computed tomography (CT) showed a cystic mass, 3.6 cm in diameter, located adjacent to the right common iliac artery, suggesting a metastatic lymph node. We had planned second-look operation in settings of suspected focal recurrence of ovarian cancer, supported by evidence of rising CA-125 levels. However, the suspected tuberculous lesion was detected incidentally on preoperative chest CT. The patient had no symptoms and signs associated with tuberculosis (TB) and chest X-ray was also normal. We postponed the planned second-look operation and anti-TB medication was started. Mycobacterium TB was identified on culture of sputum specimens later. During anti-TB medication, the suspected metastatic isolated intra-abdominal lymphadenopathy improved and serum CA-125 level was also normalized. We emphasize here to consider not only the recurrence or progression of ovarian cancer itself but also benign conditions including TB in their differential diagnoses, when serum CA-125 level increases during the follow-up of epithelial ovarian cancer patients.
Nilotinib-induced interstitial lung disease
( Un Seok Lee ),( Se Il Go ),( Won Sup Lee ),( Gyeong Won Lee ),( Jung Hun Kang ),( Myung Hee Kang ),( Jeong Hee Lee ),( Hoon Gu Kim ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Nilotinib is a second-generation tyrosine kinase inhibitor active in patients with chronic myeloid leukemia (CML) resistant to imatinib, and has been recently approved for newly diagnosed patients. We present a case of nilotinib-induced interstitial lung disease (ILD). A 67-year-old female patient was initially treated with imatinib for chronic-phase Philadelphia chromosomepositive (Ph+) CML. Imatinib was replaced by nilotinib because of hematological toxicity. The patient had received nilotinib for about 3 years without significant adverse effects. She visited the clinic due to chronic cough; chest X-ray revealed consolidations in both lung fields. Nilotinib-induced ILD was diagnosed based on intensive workup, including lung biopsy. She responded dramatically to corticosteroid therapy. To our knowledge, this is the first reported case of nilotinib-induced ILD in a patient with Ph+ CML. We emphasize that if unexplained lung abnormalities progress in patients receiving nilotinib, physicians should consider this potentially fatal complication in their differential diagnoses.
서고운(Go-Un Seo),최소연(So-Yeon Choi),김태완(Tae-Wan Kim),류성기(Sung-Gi Ryu),박중협(Jung-Hyeop Park),이승철(Seung-Cheol Lee) 한국식품영양과학회 2013 한국식품영양과학회지 Vol.42 No.4
막걸리 제조 시에 발생하는 부산물의 화장품 소재 가능성을 조사하기 위하여 항산화능, 페놀 함량, 코지산 함량, 미백, 주름 개선 효과 등을 분석하였다. 누룩박, 미박, 원주, 시판제품을 5가지 다른 용매(0, 25, 50, 75, 100% 에탄올)로 20℃와 50℃에서 각각 추출하였다. 총 페놀 함량은 20℃에서 추출하였을 때 누룩박의 에탄올 75% 추출물에서 13.26 mg GAE/g으로 가장 높았으며, 50℃에서는 시판 제품의 에탄올 75% 추출물에서 16.66 mg GAE/g으로 가장 높았다. 가장 높은 코지산 함량은 20℃에서 누룩박의 0% 에탄올 추출물에서 관찰되었고, 50℃에서 추출한 모든 시료에서 코지산은 검출되지 않았다. 20℃에서 제조한 누룩박, 미박 추출물에서 상당한 항산화능(DPPH와 ABTS 라디칼 소거능, 환원력)이 확인되었다. Tyrosinase 저해능으로 분석한 미백 효과는 50℃에서 누룩박의 75% 에탄올 추출물이 가장 높았다. 누룩박과 미박은 elastase 저해능도 발견되어 주름 개선 효과가 있음을 확인하였으며, 특히 20℃에서의 미박 추출물이 가장 높은 활성을 나타내었다. 이상의 결과는 막걸리 제조 부산물이 항산화, 미백, 주름 개선의 기능을 가진 화장품 소재로서의 가능성이 있음을 시사한다. To investigate the potential use of makgeolli by-products as cosmetic materials, their phenolic and kojic acid contents, antioxidant activity, whitening effect, and anti-wrinkle activity were evaluated. Extracts were obtained with five different solvents (containing 0, 25, 50, 75, and 100% ethanol) from nuruk lees (NL), rice lees (RL), raw makgeolli (RM), and commercial makgeolli (CM) at 20 and 50℃. NL and CM extracts prepared with 75% ethanol had the highest phenolic contents (13.26 and 16.66 mg gallic acid equivalents/g, respectively) at 20 and 50℃, respectively. The highest kojic acid content was found in NL extracts with 0% ethanol at 20℃, while kojic acid was not detected in extracts prepared at 50℃. NL and RL extracts at 20℃ showed significant antioxidant activity. Whitening effects, determined by tyrosinase inhibitory activity, were highest for the NL extract prepared with 75% ethanol at 50℃. Noticeable anti-wrinkling effects, estimated by elastase inhibition activity, were also found in NL and RL extracts. These results suggest that makgeolli by-products could be valuable cosmetic materials with antioxidant, whitening, and anti-wrinkle activities.
정수 슬러지를 재활용한 펠렛형 흡착제 상에서 염기성 악취 물질의 흡착속도상수
김고운 ( Go Un Kim ),박나영 ( Na Young Park ),배정현 ( Jung Hyun Bae ),전종기 ( Jong Ki Jeon ),이철호 ( Choul Ho Lee ) 한국공업화학회 2014 공업화학 Vol.25 No.2
정수 슬러지를 재활용하여 제조한 펠렛형 흡착제의 트리메틸아민과 암모니아의 흡착 특성을 연구하였다. 펠렛형 흡착제를 110 ℃에서 건조 처리 했을 때보다 500 ℃에서 소성했을 때 BET 표면적과 기공 부피가 증가하는 것을 알 수 있었다. 정수 슬러지를 재활용하여 제조한 펠렛형 흡착제는 브뢴스테드 산점과 루이스 산점을 보유하는 것을 확인하였다. 흡착질 가스인 트리메틸아민과 암모니아가 일정한 농도로 흡착제 층으로 유입되고, 흡착제의 중량과 흡착질의 선속도를 변화시키면서 흡착질 가스의 파과시간을 측정하였다. Wheeler의 흡착속도식을 사용하여 트리메틸아민과 암모니아의 동적흡착용량과 흡착속도상수를 결정하였다. 동적흡착용량과 흡착속도상수가 흡착질 가스의 선속도에 따라 변화함을 알 수 있었다. 정수 슬러지를 재활용하여 제조한 펠렛형 흡착제 상에서, 다양한 흡착조건에서 트리메틸아민과 암모니아의 파과시간을 예측하기 위한 실험식을 도출하였다. The adsorption characteristics of the pellet-type adsorbent prepared from water treatment sludge for trimethylamine and ammo-nia were studied. The surface area and pore volume of the pellet-type adsorbent increased during calcination at 500 ℃. It was confirmed that the adsorbent prepared from water treatment sludge contained Bronsted and Lewis acid sites. The break-through time of the adsorbent for both trimethylamine and ammonia was measured at different adsorbent weights and linear velocities while maintaining constant amounts of trimethylamine and ammonia. The kinetic saturation capacity and the adsorp-tion rate constant for trimethylamine and ammonia were determined at different linear velocities by using the Wheeler equation. It was found that the kinetic saturation capacity and the adsorption rate constant were dependent on the linear velocity. An experimental equation could be derived to predict the breakthrough time of the adsorbent prepared from water treatment sludge for trimethylamine and ammonia at different adsorption conditions.