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( Ha Gyoon Na ),( Yuna Park ),( Min-ah Kim ),( Jin Woo Lee ),( Gyeongseop So ),( Sung Hyeok Kim ),( Ki-hyo Jang ),( Mi-ja Kim ),( Seung Namkoong ),( Hyun Jung Koo ),( Sung Ryul Lee ),( Eun-hwa Sohn ) 한국미생물생명공학회(구 한국산업미생물학회) 2019 Journal of microbiology and biotechnology Vol.29 No.5
Cheonggukjang and chaga mushrooms have numerous health benefits, and have been used in alternative medicine. Therefore, a powder mixture of 98: Cheonggukjang and 2: Chaga extracts was fermented with Lactobacillus acidophilus KCTC3925 (FCC) and its anti-obesity effects in high-fat diet (HFD)-induced obese mice were determined. Five-week-old male ICR mice were fed a normal diet or HFD in the presence or absence of 3% and 5% FCC by weight (n = 10 per group). After 12 weeks, the mice were sacrificed, and the serum and tissue samples were collected for analysis. Body weight and epididymal fat pad weight were significantly lowered in the 3% and 5% FCC groups compared with those in the HFD control group (p < 0.01). FCC supplementation suppressed serum triglyceride and increased serum HDL-C levels (p < 0.01). Serum GOT, GPT, and leptin levels, hepatic COX-2 mRNA expression, and splenic COX-2 and IL-4 mRNA expression were significantly higher in the HFD groups than in the control group (p > 0.05); however, except for splenic IL-4 levels, the increases were significantly attenuated by FCC supplementation. Expression of ICAM-1, an aortic inflammatory marker, was significantly increased in the HFD group; this effect was suppressed in the 3% FCC group (p < 0.01) but not in the 5% FCC group. FCC suppressed the body weight and epididymal fat pad weight gain, as well as inflammatory responses in the liver and spleen of HFD-fed mice. Thus, FCC supplementation will be beneficial for the treatment of obesity-related effects.
장기효(Ki-Hyo Jang),김민아(Min-Ah Kim),나하균(Ha Gyoon Na),유상권(SangGuan You),김지은(Ji-Eun Kim),김미자(Mi-Ja Kim) 한국식품영양과학회 2022 한국식품영양과학회지 Vol.51 No.11
청국장의 점질물은 일반적으로 레반과 γ-PGA로 구성되어 있다. 본 연구는 청국장으로부터 분리된 레반과 γ-PGA가 3T3-L1 전지방 세포주의 지방세포 분화에 미치는 영향을 조사하기 위해 수행되었다. 청국장 점질물 유래 γ-PGA와 레반을 점질물 구성 비율인 6:4로 혼합한 점질물(PL64)을 200 μg/mL 농도로 처리할 경우 대조군에 비해 23.7% 유의적으로 지방축적이 감소함을 확인할 수 있었다. 그뿐만 아니라 PL64의 처리는 pparγ, c/ebpα, srebp-1c, ap2, fas, acc1, cd36를 포함한 지방축적 관련 유전자의 발현을 감소시켰다. 또한 PPARγ, C/EBPα, SREBP-1C, AP2, FAS, SCD1의 지방축적 관련 단백질 발현이 감소한 것을 관찰할 수 있었다. 따라서 청국장 점질물인 PL64는 3T3-L1 전지방 세포주의 지방세포 분화와 관련된 유전자와 단백질의 발현을 감소시킴으로써 지방축적을 억제하는 것으로 나타났다. 이와 같은 결과로 청국장 점질물은 지방축적 관련 유전자와 단백질을 하향 조절함으로써 항비만 기능성 물질로 활용 가능함을 확인할 수 있었다. Cheonggukjang mucoid is typically composed of levan and polygamma glutamate (γ-PGA). In this study, we investigated the effect of levan and γ-PGA isolated from Cheonggukjang on the differentiation of 3T3-L1 preadipocytes. At 200 μg/mL PL 64 [γ-PGA : levan (6:4)] significantly inhibited triglyceride accumulation in adipocytes by 23.7% compared to untreated adipocytes (P<0.05). PL64 treatment reduced the expressions of fat accumulation-related genes, including peroxisome proliferator-activated receptor γ (pparγ), CCAAT-enhancer-binding protein α (c/ebpα), sterol regulatory element-binding protein-1c (srebp-1c), adipocyte protein 2 (ap2), fatty acid synthase (fas), acetyl-CoA carboxylase 1, and cluster of differentiation 36. In addition, PL64 reduced the protein levels of PPARγ, C/EBPα, SREBP-1C, AP2, FAS, and SCD1. These results show PL64 suppresses fat accumulation in vitro by down-regulating the expressions of adipogenesis-related genes and proteins. Consequently, this study shows that Cheonggukjang mucoid could be used as a potent anti-obesity functional substance that down-regulates fat accumulation-related genes and proteins.
효율적인 의약품 평가를 위한 약물계량학 분석법 도입의 전략 방안
( Sang Min Lee ),( Boyoon Choi ),( Hwi Yeol Yun ),( Da Hae Jun ),( Myung Gou Kim ),( Ji Hye Ha ),( Young Hoon Kim ),( Eun Hee Ji ),( Won Ku Kang ),( Na Young Han ),( Wan Gyoon Shin ),( Jung Mi Oh ) 영남대학교 약품개발연구소 2012 영남대학교 약품개발연구소 연구업적집 Vol.22 No.0
Over the past few decades, drug regulatory agencies in advanced countries have been emphasizing pharmacomctrics as a tool for an effective and efficient drug evaluation. Despite this international movement, the value of pharmacometrics is still poorly recognized by the Korean drug evaluation system. This study aimed to analyze the current state of utiliza-tion of pharmacometrics by foreign drug regulatory agencies and develop a road map to guide the implementation phar- macometrics into the Krean drug evaluation system. MEDLINE and foreign drug regulatory agency database were extensively searched to obtain scientific research articles, guidance, regulations and pharmacometric review reports on foreign pharmacometric drug evaluation system. A systematic roadmap comprised of 3 stages to implement pharmaco-metrics in Lorean drug evaluation system was formulated after analyzing the collected data in tune with the current evaluation system. Pharmacometrics is an urgently required tool to achieve an efficient drug evaluation and review in Korea. The road map developed by this study is expected to aid in setting up a policy to implement and utilize phar-macometrics in Korea.