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Nattokinase fibrinol의 섭취가 혈전 용해능 및 동맥경화에 미치는 영향

Effects of Nattokinase fibrinol supplementation on Fibrinolysis and Atherogenesis

  • 노경희 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터) ;
  • 박충무 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터) ;
  • 장지현 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터) ;
  • 신진혁 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터) ;
  • 조미경 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터) ;
  • 김정옥 ((주)HK 바이오텍) ;
  • 송영선 (인제대학교 BK21 식의약생명공학과, 식품과학연구소 및 바이오헬스 소재 연구센터)
  • Noh, Kyung-Hee (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University) ;
  • Park, Chong-Mu (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University) ;
  • Jang, Ji-Hyun (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University) ;
  • Shin, Jin-Hyuk (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University) ;
  • Cho, Mi-Kyung (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University) ;
  • Kim, Jeong-Ok (HK Biotech Co., Ltd.) ;
  • Song, Young-Sun (BK21 Center of Smart Foods and Drugs, Food Science Institute, and Biohealth Product Research Center, Inje University)
  • 발행 : 2009.02.28

초록

본 연구는 성인 흡연자를 대상으로 NKF 정제를 단기 (4,000 U를 1회 투여)와 장기(2,000 U를 매일 1회 4주 투여) 실험을 통하여 NKF의 혈전용해 개선 및 항 동맥경화효과를 검증하였다. 임상대상자는 20세${\sim}$31세의 건강한 성인으로 하루 흡연량이 하루 1갑 이상인 고혈압 또는 항 혈전증 약을 섭취하지 않는 사람을 선정하여 무작위로 placebo군과 NKF군으로 분류하여 이중맹검법으로 실험을 하였다. NKF와 placebo 정제는 (주)HK바이오텍에서 제공하였다. 단기시험은 placebo군(10명)과 NKF군(29명)을 대상으로 NKF 섭취전과 섭취 1, 2, 4시간에 혈전용해효과를 검토하였고, 장기시험은 placebo군 10명과 NKF군 15명에게 NKF 섭취 전과 섭취 후 매주 혈전용해효과 및 혈압개서효과를 검토하였다. 단기시험에서 fibrin clot 용해능은 placebo군에 비해 NKF군에서는 섭취 후 2시간에 유의적으로 증가하여 4시까지 그 활성이 유지되었다. ECLT도 NKF 섭취 후 시간이 경과함에 따라 placebo군에 비해 현저하게 감소되었으며 aPTT는 섭취 후 4시에 섭취 전에 비해 12.5% 지연시키는 것으로 나타났다. 장기시험에서는 수축기와 이완기 혈압이 placebo군에서는 섭취 4주에 섭취 전에 비해 2.8%와 3.5%로 증가하였고 NKF군에서는 각각 1.3%와 1.0% 감소하여 두 군 모두에서 유의차는 없었다. Fibrin clot 용해능은 NKF군에서 1주에 증가하여 4주에도 높은 수준으로 유지되었고, ECLT는 NKF군은 섭취 전에 비해 1주에 현저하게 감소되어 4주 후까지 유사한 수준으로 유지하여 NKF의 효과를 볼 수 있었지만, placebo군에서는 효과가 없었다. 따라서 NKF는 PT와 aPTT를 개선하여 전 처리 기간 placebo군에 비해 혈액응고시간을 유의적으로 지연시켰다. 또한 NKF 섭취는 TG/HDL-cholesterol을 감소시켜 항 동맥경화 지수를 상승시키는 효과가 있었다. 이상의 결과로 미루어 볼 때 단기와 장기 임상시험에서 NKF는 fibrin clot 용해능을 증가시키고 ECLT를 감소시키며 PT와 aPTT를 지연시켜 혈전 용해능을 상승시키며, TG/HDL-cholesterol을 낮추어 혈중 지질수준을 개선하고 동맥경화를 예방하는데 유익하게 작용할 것으로 사료된다.

Effects of Nattokinase fibrinol (NKF), defined as a fibrinolytic product, on fibrinolytic and atherogenetic markers were studied for healthy adults (20-31 years old), who is smoking more than 20 cigarettes per day. Subjects were divided into 29 for NKF group and 10 for placebo group in a short term study. They were given 2 tablets of NKF (4,000 unit) or placebo tablet and thereafter blood samples were collected at 0, 2, 4 hr prerid. For a 4-week long term study, 15 subjects for NFK group and 10 subjects for placebo group were supplemented one tablet of each NKF (2,000 unit) and placebo per day, respectively. Blood samples were collected at 0, 1, 2, 4 weeks later. The short-term experimental trial showed that NKF remarkably increased fibrinolytic activity at 2hr after consumption, which was maintained up to 4 hr, relative to that of placebo, while NKF reduced the euglobulin clot lysis time (ECLT) and retarded the activated partial thromboplastin time (aPTT), as compared to placebo group. NKF supplementation for 4 weeks elevated fibrinolytic activity, shortened ECLT and retarded aPTT. Furthermore, NKF supplementation increased anti-atherogenic index by decreasing triglyceride (TG) and elevating high-density lipiprotein (HDL)-cholesterol. These results indicate that NKF supplementation for short term or long term might have beneficial effects on preventing and treating cardiovascular disease by increasing fibrinolytic activity and improving atherogenic markers such as hyperlipidemia.

키워드

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