• 제목/요약/키워드: Aminotransferase

검색결과 1,303건 처리시간 0.024초

Validation of Serum Aminotransferases Levels to Define Severe Dengue Fever in Children

  • Srivastava, Geetika;Chhavi, Nanda;Goel, Amit
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제21권4호
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    • pp.289-296
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    • 2018
  • Purpose: We aimed to study the pattern of liver-injury in children with dengue fever (DF) and validate serum aminotransferase ${\geq}1,000IU/L$ as a marker of severe DF. Methods: Children admitted with DF were included. DF was defined by presence of clinical criteria and positive serological or antigen tests in absence of other etiology. DF severity was graded as dengue without or with warning signs and severe dengue. Liver-injury was defined as alanine aminotransferase (ALT) more than twice the upper limit of normal (boys, 30 IU/L; girls, 21 IU/L). Results: Of 372 children with DF, 144 (38.7%) had liver-injury. Risk of liver-injury and aminotransferase levels increased with DF severity (p<0.001). Recommended ALT and aspartate aminotransferase (AST) cut-off at ${\geq}1,000IU/L$ had sensitivity 4.8% (5/105), specificity 99.3% (265/267) for detection of severe DF. In children with ALT and AST <1,000 IU/L (n=365), the area under receiver operating curves for prediction for severe DF, were 0.651 (95% confidence interval [CI], 0.588-0.714; p<0.001) for ALT and 0.647 (95% CI, 0.582-0.712; p<0.001) for AST. Serum ALT at 376 IU/L and AST at 635 IU/L had sensitivity and specificity comparable to ${\geq}1,000IU/L$ for defining severe DF. Conclusion: Liver-injury is common in DF. The ALT and AST levels increase with DF severity. ALT and AST levels of ${\geq}1,000IU/L$ could be lowered to 376 IU/L and 635 IU/L respectively for defining severe DF.

천궁 추출물이 고지방식이로 유도된 비만흰쥐의 생체활성에 미치는 영향 (Effect of Ligusticum chuonxiong Hort Extracts on the Bioactivity in High-fat diet-fed Obese Rats)

  • 허예영;하배진
    • 한국식품위생안전성학회지
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    • 제26권4호
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    • pp.370-376
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    • 2011
  • 본 연구에서는 한방에서 약용으로 사용하고 있는 미나리과에 속하는 천궁을 에탄올 추출을 사용하여 고지방식 이에 의해 유발된 고지혈 및 비만 흰쥐에서의 항산화 활성과 간 보호 효과에 미치는 영향을 관찰하였다. 고지방 식이에 의해 유도된 고지혈 및 비만 흰쥐에 있어서의 간 손상에 대한 천궁 추출물의 보호효과를 연구한 결과 고지방 식이를 먹인 흰쥐의 혈청 aspartate aminotransferase (AST)와 alanine aminotransferase (ALT)는 증가 되었고, 간조직의 균질액에서 과산화지질의 최종 산물인 MDA도 높게 나타났다. 이와 반대로 천궁 추출물을 처치한 군에서는 간 기능 지표효소의 증가를 억제시켰다. 간조직의 항산화 효소인 SOD, catalase와 GPx의 활성은 고지방식이 의해 감소되었고, 천궁 추출물의 투여로 인해 효소 활성도 가증가됨을 볼 수 있었다. 본 연구를 통해 천연물을 이용한 기반연구로서 향후 천궁의 지질개선 효과와 항산화 효과에 대한 분자생물학적 조직병리학적 후속연구가 필요하다고 사료되며 이 연구의 결과를 바탕으로 천궁의 항산화 식품이나 지질개선 기능성 식품소재로의 활용이 기대되어진다.

인진호탕(茵蔯蒿湯)과 한인진호탕(韓茵蔯蒿湯)이 알코올 투여(投與)로 유발(誘發)된 흰쥐의 고지혈증(高脂血症)과 간(肝) 손상(損傷)의 예방(豫防)에 미치는 영향(影響) (Preventive effects of Injinho-tang and Haninjinho-tang on hyperlipidemia and liver damage induced by alcohol)

  • 김유창;김승모;박지하;서부일;최홍식
    • 대한본초학회지
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    • 제21권3호
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    • pp.47-54
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    • 2006
  • Objectives : This study was performed to compare the preventive effect of water extracts from Injinho-tang and Haninjinho-tang on hyperlipidemia and liver damage induced by alcohol. Methods : Except for the normal group, we fed rat on 25% alcohol for 55 days. And each extract was administrated for the same period. We measured the serum component in rat's blood, body weight and weight of liver. Results : 1. At first, we observed effects of Injinho-tang and Haninjinho-tang on hyperlipidemia induced by alcohol. Injinho-tang group showed significant decrease of triglyceride, body weight in comparison with those of the control group. Haninjinho-tang group showed significant decrease of total cholesterol, triglyceride in comparison with those of the control group. I 2. At second, we observed effects of Injinho-tang and Haninjinho-tang on liver damage induced by alcohol. lnjinho-tang group showed significant decrease of AST (aspartate aminotransferase), ALT (alanine aminotransferase), ALP (alkaline phosphatase), liver weight in comparison with those of the control group. Haninjinho-tang group showed significant decrease of AST (aspartate aminotransferase), ALT (alanine aminotransferase) in comparison with those of the control group. Conclusion : Reviewing these experimental results, it appears that water extracts from Injinho-tang and Haninjinho-tang have pharmaceutical preventive efficacy on hyperlipidemia and liver damage induced by alcohol. Therefore further additional study should be conducted to elucidate in depth the pharmaceutical efficacy of these.

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알코올 의존 환자의 적혈구막 지질과산화 정도와 적혈구 평균 용적 및 간 효소 지표와의 관련성 (The Relationship between Lipid Peroxidation of Red Blood Cell Membrane, and Mean Corpuscular Volume and Liver Enzyme Markers in Alcohol Dependence Patients)

  • 정성윤;최인근;서국희;강희정
    • 생물정신의학
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    • 제5권2호
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    • pp.235-242
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    • 1998
  • Objectives : Alcohol-induced oxidative stress has been known to injure various tissues or organs. This stress is related with free radicals which are produced as the result of long-term alcohol consumption. Malonyldialdehyde(MDA) is produced by the interaction of free radicals and cell membrane lipids, and indicates the degree of lipid peroxidation indirectly. The purpose of this study was to investigate the relationship between red blood cell(RBC) membrane lipid peroxidation by free radicals, and associated hepatic injuries and hematologic changes. Methods : Thirty-three subjects diagnosed as alcohol dependence according to DSM-IV diagnostic criteria were evaluated within 72 hours after discontinuing alcohol drinking. Clinical characteristics were evaluated by CAGE questionnaire and Korean Michigan Alcoholism Screening Test(MAST). RBC membrane MDA level was measured as the marker of RBC membrane lipid peroxidation. Aspartate aminotransferase(AST), alanine aminotransferase(ALT) and gamma-glutamyltransferase(GGT) were used as the biochemical markers of liver damage due to alcohol ingestion. The alcohol-induced hematologic change was assessed by mean corpuscular volume(MCV). Results : The results were as follows. Clinical characteristics were not different between two groups having normal and abnormal levels of AST, ALT, GGT or MCV. The levels of MDA were not correlated with the clinical characteristics and serum levels of AST, ALT and GGT. However, there was a significant correlation between the levels of MDA and the value of MCV(p=0.017). Conclusions : These findings suggest that oxidative stress in alcohol dependence may not be reflected in liver enzyme markers such as AST, ALT and GGT, but may be reflected in MCV.

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초음파와 수영이 신경근 손상 흰쥐의 혈청 CK 활성 변화에 미치는 영향 (The Effects of the Ultrasound and Swimming on the Changes of Serum Creatine Kinase Activities in the Nerve and Muscle Injuried Rats.)

  • 김은영;배성수
    • The Journal of Korean Physical Therapy
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    • 제14권3호
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    • pp.74-91
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    • 2002
  • This studies to investigate the effects of ultrasound and swimming on the changes of the serum creatine kinase, latate dehydrogenase, aspatate aminotransferase, alanine aminotransferase, alkaline phosphatase, in peripheral nerve and muscle injury rats. The forty Sprague-Dawley adult male rats were assigned to the 4 groups: the experimental groups(3), and the peripheral nerve and muscle injury control group(1). There was made artificial injured by ischial nerve and muscle of each rats the each experimental ultrasound group and swimming group were treated from 3 days after being injuried for the 5 minutes and 10 minutes every day during the 10 days and 16 days respectively. The results were as follows: 1. The activities of creatine kinase, lactate dehydrogenase were significantly decreased on of the ultrasound and swimming groups for 10 days. All experimental group were significantly decreased for 16 days. there were significantly decreased the swimming group and ultrasound group were to the 10 days group. 2. The activities of asparatate aminotransferase, alalnine aminotransferase on the ultrasound group were significantly increased to the injured control group, there were significantly decreased the ultrasound group for 16 days group were to the 10 days group and there were significantly increased the swimming group for 16 days group were to the 10 days group. 3. The activities of alkaline phosphatase changes were no difference all experimental groups, there were significantly increased for 16 days group to the 10 days group. From these results it may be concluded that the effects of the ultrasound and swimming, the changes of the serum activities creatine kinase , lactate dehydrogenase of (; the objective indicates) to the muscle regeneration process of the nerve and muscle injured rats.

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재조합 E.coli에서 고온성 Bacillus 균주의 과발현에 관한 연구 (Overexpression of Termostable Bacillus sp. in Recombinant E.coli)

  • 서화정;이인선
    • 한국식품위생안전성학회지
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    • 제15권1호
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    • pp.51-54
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    • 2000
  • 1. E.coli에서 별도의 expression vector를 사용하지 않고도 Bacillus 균주 유래의 유용효소(D-Amino acid aminotransferase;D-AAT, Aspartate aminotransferase;AspAT, Alanine dehydrogenase;AlaDH 등)의 유전자의 5'-up stream부위의 발현 기구를 검토한 결과 각 유용 효소의 유전자들의 5'-upstream부위에 존재하는 프로모터들이 연속적으로 존재한다는 사실이 유추되었고, E.coli의 SD sequence와 매우 상동성이 높은 서열 또한 존재함을 확인하였다. 2. 유용 효소 유전자의 번역과 관련된 5'-upstream 부위의 분석을 통하여 유용 효소의 유전자들은 E.coli의 ribosomal RNA와 매우 안정한 SD pairing을 형성(D-AAT의 경우: -13.0kcal/mol, AspAT의 경우; -9.5kcal/mol, AlaDH의 경우 -15.8kca1/mol)할 수 있음을 확인하여, 이러한 높은 자유에너지 변화는 E.coli내에서 유용 효소의 번역에 기여함을 예상할 수 있다.

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1개월 이상 한약을 복용한 101명의 간기능 검사에 대한 후향적 관찰 (Retrospective Observation of Liver Function Parameters for 101 Patients Using Herbal Drugs for One Month)

  • 김동민;김회권;조성연;김용석;남상수
    • 대한한의학회지
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    • 제31권2호
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    • pp.149-157
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    • 2010
  • Objective: The purpose of this study was to investigate the level of safety on liver functions when Korean herbal medicine was taken internally. Method: 101 inpatients who took Korean herbal medicine were enrolled and liver function test (aspartic aminotransferase, alanine aminotransferase, alkaline phosphatase, total bilirubin, gamma glutamyltranspeptidase, albumin, lactate dehydrogenase) was performed on admission and 1 month later. Results: In 101 patients, alkaline phosphatase and gamma glutamyltranspeptidase decreased significantly compared with the value taken on admission (p<0.05) but aspartic aminotransferase, alanine aminotransferase, total bilirubin, albumin, and lactate dehydrogenase were not significantly changed (p>0.05). In the patients who took Scutellaria baicalensis (n=34), alkaline phosphatase decreased and albumin increased significantly (p<0.05). Among the patients who took Atractylodes macrocephala (n=29), alkaline phosphatase decreased significantly (p<0.05). In the patients who took Glycyrrhiza uralensis or Paeonia lactiflora, liver function parameters were not significantly changed (p>0.05). On admission 11 patients had abnormal liver function and 2 patients had liver injury while 7 patients had abnormal liver function and 2 patients showed liver injury 1 month later. Conclusions: This study suggests that prescribed Korean herbal medicine does not injure liver function.

수종(數種)의 한약재(韓藥材)와 보골탕(補骨湯)이 흰쥐의 실험적(實驗的) 골다공증(骨多孔症)에 미치는 영향(影響) (Effects of several herbs and Bogol-Tang on the experimental osteoporosis of rat)

  • 한정우;육태한
    • Journal of Acupuncture Research
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    • 제18권6호
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    • pp.188-205
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    • 2001
  • Objective : The purpose of this studies was to determine the effect of Carthami semen, Bogol-Tang and Rhynchosia volubilis Lour. on changes of trabecular area and physiological metabolites in the ovariectomized osteoporotic Rats. Methods : In order to induce estrogen deficient osteoporosis, ovariectomy was done on rats. Then the Carthami semen, Bogol-Tang and Rhynchosia volubilis Lour. were orally administerd: Such indexes were measured as the changes of body weight, bone mineral density, trabecular area in tibia, and levels of osteocalcin, bone alkaline phosphatase, calcium, phosphorus, cholesterol, triglyceride, aspartate aminotransferase and alanine aminotransferase in serum. Results : 1. The change of bone mineral density in Bogol-Tang group and Rhynchosia volubilis lour. group. was significantly increased compare to control group. 2. The change of trabecular area % in epiphysis of tibia in Carthami semen group was significantly increased compare to control group. 3. The change of trabecular area % in diaphysis of tibia in Bogol-Tang group was significantly increased compare to control group. 4. The change of serum osteocalcin in Bogol-Tang group was significantly decreased compare to control group. 5. The change of serum bone alkaline phosphatase in Bogol-Tang group was significantly decreased compare to control group. 5. The change of serum bone alkaline phosphatase in Bogol-Tang group was significantly decreased compare to control group. 6. The change of1 serum calcium in Rhynchosia volubilis lour. group was significantly decreased compare to control group. 7. The change of phosphorus in Carthami semen group and Rhynchosia volubilis Lour. group was significantly decreased compare to control group. 8. The change of serum cholesterol and triglyceride of experimental groups were decreased in comparison with control group. 9. The change of serum AST(Aspartate aminotransferase : GOT) in Rhynchosia volubilis Lour. group was decreased compare to control group. 10. The change of serum ALT(Alanine aminotransferase : GPT) in Bogol-Tang group was decreased compare to control group.

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벤조피렌으로 유발된 흰쥐 간독성에 대한 번데기동충하초 배양액의 회복효과 (Effect of Culture Broth of Cordyceps militaris on Recovery of Mice Hepatic Damage Caused by Benzo($\alpha$)pyrene-Treatment)

  • 조성준;이태희;김진만;한영환
    • 미생물학회지
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    • 제45권4호
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    • pp.416-418
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    • 2009
  • 번데기동충하초의 간독성 회복 효과를 HaM/ICR 계열의 흰쥐를 이용하여 검정하였다. 벤조피렌 복강주사시, 혈중의 aspartate aminotransferase (AST) 및 alanine aminotransferase (ALT)의 효소활성과 간조직의 lipid peroxide (LPO) 농도는 대조군과 비교시 급격히 증가하여 간독성을 유발하였다. 그러나, 벤조피렌 대조군과 비교시, 번데기 동충하초 배양액의 경구 투여시 AST와 ALT의 효소활성 및 LPO 농도는 감소하였으며, 벤조피렌에 유도된 간 조직의 glutathione 농도 및 glutathione S-transferase 효소활성은 증가하여 간독성을 회복하였다. 실험결과는 번데기 동충하초 균사체 배양액이 벤조피렌 유발 간독성에 대해 회복 효과가 있음을 보여준다.

넙치, Paralichthys olivaceus에서 Edwardsiella tarda와 Streptococcus iniae 단독 또는 혼합감염의 병원성 비교 연구 (Comparative Study of Pathogenicity Following Single or Coinfection with Edwardsiella tarda and Streptococcus iniae in Olive Flounder, Paralichthys olivaceus)

  • 권문경;정승희
    • 수산해양교육연구
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    • 제24권4호
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    • pp.591-601
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    • 2012
  • 양식 넙치에 Edwardsiella tarda 또는 Streptococcus iniae를 단독 또는 혼합감염하여 넙치에서 병원성을 비교하였다. 넙치에 단독 또는 혼합감염 후 혈액생화학적 성상으로 alanine aminotransferase (ALT), aspatate aminotransferase (AST), glucose 농도, total protein 농도를 조사하였으며, 라이소자임 활성, 신장과 비장 조직 중의 세균수, 조직병리학적 변화와 누적폐사율을 조사하였다. 혼합감염구는 다른 시험구에 비하여 누적폐사율, 신장과 비장 조직 중의 세균수, AST활성과 병리조직학적 변화가 크게 나타났으나, 라이소자임 활성에서는 유의적인 차이가 보이지 않았다. 따라서 E. tarda와 S. iniae의 혼합감염은 신장과 비장 조직 중의 세균수 증가와 내부 장기의 손상으로 숙주에 높은 병원성을 나타낸 것으로 판단된다.