• 생명과학회지
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• 제19권10호
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• pp.1374-1381
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• 2009

본 연구는 남성 음주자의 나이대별 생리학적 변수들에 어떠한 차이가 있는지를 연구하였다. 30대 남성들은 waist-hip ratio, 좌 우 심장-발목 혈관지수, 좌 우 발목-상완지수, 아밀라제, hs-CRP, CPK가 가장 낮았고 체중, IL-6, 좌 우 안와혈압, 혈색소, 적혈구수, 적혈구 분포도, ALT, 총 콜레스테롤, 중성지방, 페르틴 농도는 높게 나타났다. hs-CRP, CPK는 40대 음주남성에서 높았지만 페리틴 농도는 반대였다. 50대 음주남성에서는 WHR이 높았으며 이완기 혈압, 좌 우 안와혈압, 호산구와 아밀라제 농도는 높게 나타냈다. 60대 음주남성에서는 좌 우 심장-발목 혈관지수, 평균 혈색소 농도, $\gamma$-GTP, RF, AFP, PSA의 농도는 높았으며, 체중, 이완기 혈압, 좌 우 안와혈압, 혈색소, 혈소판, 백혈구, 적혈구 분포지수, 호산구, 단구, 아밀라제 중성지방, CPK 농도 변화에서는 높게 나타났다. 이러한 결과를 볼 때 음주는 남성들에 있어 나이대별로 다양한 생리학적 변화를 유도 할 것으로 사료된다. 향후 음주가 성별, 즉 남녀 간에 미치는 생리학적 영향의 차이에 대한 연구 역시 더 필요할 것으로 생각된다.

• 대한의생명과학회지
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• 제10권2호
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• pp.171-177
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• 2004

This study was performed to investigate the effects of liquid culture of Agaricus blazei Murill on the weight gains, food efficiency ratios, serum protein and mineral levels, and serum enzyme activities in growing male rats. Sprague-Dawley rats (7 weeks old) were given four different types of diets for a succeeding period of 6 weeks, respectively: a normal diet group, a control diet group (normal diet + 15％ lard + 0.5％ cholesterol), a 30％ or 40％ A. blazei diet groups (control diet + 30％ or 40％ A. blazei in water) according to the levels of A. blazei supplementation. The body weight gains, food efficiency ratios, and the liver of the rats fed control diet, 30％ or 40％ A. blazei diets were significantly increased compared to rats fed the normal diet, but those of rats fed the 30％ and 40％ A. blazei diets were similar to those of rats fed the control diet. The concentrations of total protein, albumin, glucose, and hematocrit value in serum of rats fed the control diet, 30％ or 40％ A. blazei diets were similar to those of rats fed the normal diet. The concentrations of urea and creatinine in serum of rats fed the 30％ or 40％ A. blazei diets were similar to those of rats fed the control diet. but the urea of rats fed the 30％ and 40％ A. blazei diets were significantly decreased compared to rats fed the normal diet. The concentrations of Ca, P, Fe and Mg, and $Ca^{++}$, $K^+$, $Na^+$ and $Cl^-$ of rats fed the control diet, 30％ or 40％ A. blazei diets were similar to those of rats fed the normal diet. There were no differences in the activities of aspartate aminotransferase, alanine aminotransferase, $\gamma$-glutamyltranspeptidase and alkaline phosphatase in the serum among the experimental groups. In conclusion, the rats fed the A. blazei maintained normal protein and mineral levels, and enzyme activities of serum. But the A. blazei feeding could not decrease the body and liver weights in the rats fed high cholesterol diets.

• Clinical and Experimental Pediatrics
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• 제48권1호
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• pp.104-107
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• 2005

저자들은 20개월 유아에서 복통이나 담즙정체 등의 특이 증상이 동반되지 않으면서도 간, 비장종대를 동반하고 간 조직검사에서 간경화가 있었으나, 종괴제거 수술 후 간기능검사 뿐 아니라 간, 비장 종대가 급격하게 해결된 총수담관낭을 경험하였다. 총수담관낭을 조기에 발견하여 적절하게 제거하는 것이 간기능 검사의 호전 뿐 아니라 조직학적으로 입증된 간경화를 호전시키는 데에도 중요함을 시사한다고 하겠다.

• 한국식품영양과학회지
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• 제30권1호
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• pp.97-101
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• 2001

This study was done to investigate the protective effects of Diospyrus kaki Folium on carbon tetrachloride intoxicated rats. Male Sprague-Dawley rats (200~230g) was used. Experimental groups were divided into normal group and $CCl_{4}$-treated group and then $CCl_{4}$-treated groups were divided into 7 groups: only $CCl_{4}$-treated group, methanol extract pretreated group, butanol fraction pretreated group and $H_{2}O$ fraction pretreated group, $CCl_{4}$ treated groups were injected with $CCl_{4}$ 0.6 mg/kg (ip). The activities of ananine aminotransferasein hexane, chloroform and $H_{2}O$ fraction pretreated groups were significantly decreased (p<0.05) compared to the only $CCl_{4}$-treated group and also activity of aspartate aminotransferase and hepatic malondialdehyde content in $H_{2}O$ fraction pretreated group were significantly decreased (p<0.05) compared to the only $CCl_{4}$-treated group. The activity of alkaline phosphatase in chloroform and $H_{2}O$ fraction pretreated groups were decreased compared to the only $CCl_{4}$-treated group but the difference was not statistically significant. The activity of ${\gamma}$-glutamyltranspeptidase in hexane, chloroform and ethylacetate fraction pretreated groups were significantly decreased (p<0.05) compared to the only $CCl_{4}$-treated group. The contents of cholesterol and triglyceride were not influenced in any fraction pretreated groups, but HDL-cholesterol content in hexane and chloroform fraction pretreated groups were significantly increased (p<0.05) compared to the only $CCl_{4}$-treated group. Therefore, these results demonstrate a possible hepatoprotective role of $H_{2}O$ fraction of Diospyrus kaki Folium methanol extract in carbon tetrachloride intoxicated rats.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제11권sup1호
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• pp.83-92
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• 2008

Helicobacter pylori is the causative agent of chronic gastritis and has a role in the pathogenesis of peptic ulcer diseases, and gastric cancer. There have been reports suggesting a close link between these gastroduodenal disorders and a state of vitamin C deficiency. In this paper, the past, present and future perspectives on H. pylori infection and vitamin C will be discussed under the following view points. Since the ecological niche of H. pylori is the mucus layer and intercellular junctions of the gastric epithelium, the various kinds of host inflammatory cells motivated by the local and systemic immune responses cannot eliminate the microorganisms. When the invading foreign body is not removed, despite full activation of defense mechanisms, adverse consequences of the immune responses develop on the host gastric mucosa. The reasons for the body vitamin C depletion could be explained as follows; 1) the increased vitamin C consumption by increased oxygen free radical production through the prolonged hypersensitivity reactions in the gastric mucosa, 2) the increased vitamin C oxidation by the nitrite which is formed from nitrate reduction by the intragastric bacteria proliferated in the hypochlorhydric gastric cavity, 3) the strong ${\gamma}$-glutamyltranspeptidase activity of H. pylori which depletes the glutathiones in gastric mucosa. Depletion of glutathiones in the stomach favors irreversible oxidative destruction of ascorbic acid. Both persistent inflammatory burdens in the stomach by H. pylori and resultant vitamin C depletions synergistically and uninhibitedly might aggravate the hypothetical sequence of gastric carcinogenesis: atrophic gastritis${\rightarrow}$intestinal metaplasia${\rightarrow}$dysplasia${\rightarrow}$gastric adenocarcinoma. High intake of vitamin C could reverse the hypothetical sequence of the gastric carcinogenesis via direct and indirect effects on H. pylori and host-parasite relationships.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제24권3호
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• pp.295-305
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• 2021

Purpose: Hepcidin levels have previously been reported to be correlated with liver damage. However, the association between hepcidin levels and liver fibrosis in children with fatty liver disease remains unclear. This study therefore aimed to investigate the pathophysiology of fibrosis in children with fatty liver disease and its association with hepcidin levels. Methods: This retrospective case series included 12 boys aged 6-17 years who were diagnosed with nonalcoholic fatty liver disease (NAFLD) or nonalcoholic steatohepatitis (NASH) at the Tokyo Medical University Hospital. Sixteen liver biopsy samples from 12 subjects were analyzed. Serum hepcidin levels were assayed using enzyme-linked immunosorbent assay. Immunostaining for hepcidin was performed, and the samples were stratified by staining intensity. Results: Serum hepcidin levels were higher in pediatric NAFLD/NASH patients than in controls. Conversely, a significant inverse correlation was observed between hepcidin immunostaining and Brunt grade scores and between hepcidin scores and gamma-glutamyltranspeptidase, hyaluronic acid, and leukocyte levels. We observed inverse correlations with a high correlation coefficient of >0.4 between hepcidin immunostaining and aspartate aminotransferase, alanine aminotransferase, total bile acid, and platelet count. Conclusion: There was a significant inverse correlation between hepcidin immunoreactivity and fibrosis in pediatric NAFLD patients; however, serum hepcidin levels were significantly higher, suggesting that these patients experienced a reduction in the hepcidin-producing ability of the liver in response to iron levels, leading to subsequent fibrosis. Therefore, hepcidin levels can be used as markers to identify the progression of fibrosis in patients with NAFLD.

• 한국식품영양과학회지
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• 제41권5호
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• pp.655-660
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• 2012

밭마늘과 논마늘(영천산)의 매운맛 차이를 알아보고자, 마늘의 매운맛 생성에 관여하는 주요 인자들인 alliin과 allcin 그리고 SAC의 함량을 HPLC로 분석하고, 이들 함함성분의 생성에 관여하는 효소인 alliinase와 GTPase(${\gamma}$-glutamyl trans peptidase) 활성 및 pyruvate 생성량과 일반성분을 분석하였다. 수분함량은 논마늘이 밭마늘에 비하여 높았으며, 조회분, 조지방, 조단백, 탄수화물 함량 역시 밭마늘이 논마늘에 비하여 높았다. 마늘의 주요 매운맛 성분인 allicin 함량은 밭마늘이 $2.83{\pm}0.03$ mg/g, 논마늘이 $2.22{\pm}0.02$ mg/g을 나타내어 밭마늘이 논마늘에 비하여 유의적으로 높았다. Allicin의 전구체인 alliin의 함량은 밭마늘이 $8.97{\pm}0.09$ mg/g, 논마늘이 $8.22{\pm}0.08$ mg/g으로 나타났다. SAC 함량은 밭마늘이 $1.74{\pm}0.17$ mg/g으로, 논마늘의 $1.04{\pm}0.14$ mg/g에 비하여 유의적으로 높았다. 한편, 효소 alliinase 활성도는 밭마늘이 $285{\pm}43{\mu}mole/mg$ protein, 논마늘이 $239{\pm}34{\mu}mole/mg$ protein을 나타내어 유의적인 차이는 없었으나, GTPase 활성은 밭마늘이 86.3 ${\mu}mole/mg$ protein으로 논마늘의 78.4 ${\mu}mole/mg$ protein에 비하여 높게 나타내었다. 이상의 결과를 토대로 밭마늘이 매운 맛이 강한 것은 본 연구결과로부터 allicin 함량이 논마늘에 비하여 높은 데 기인된 것으로 파악되었다. 밭마늘은 논마늘에 비하여 alliinase 활성은 유사하였으나 alliin의 함량이 높아 allicin 생성량이 많았으며, SAC가 높고 GTPase의 활성이 높아 alliin의 함량이 높은 것으로 생각되었다. 따라서, 마늘을 기능성 식품소재로의 활용을 극대화하고자 한다면 밭마늘이 논마늘보다 더 적합한 것으로 생각된다.

• 한국융합학회논문지
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• 제8권5호
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• pp.79-85
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• 2017

본 연구는 만성 B형 바이러스성 감염 환자의 간 기능 혈액 검사 수치와 간 섬유화 스캔 검사(FibroScan(R))의 비교 분석을 통한 간 섬유화 스캔 검사의 임상적, 기기적 융합 유용성을 평가하고자 하였다. 2015년 7월 1일부터 2016년 2월 28일까지 대전시 B내과에 내원한 만성 B형 바이러스성 감염 환자 75명의 간 섬유화 스캔 검사 결과와 간 기능 혈액검사 수치를 분석 하고 ROC곡선을 작성하였다. 알라닌 아미노전이요소, 아스파르테이트 아미노전이요소 수치가 각각 0.572, 0.502로 섬유화 수치와 가장 높은 상관관계를 보였다(p<0.000). 감마지티피, 총 빌리루빈, 알칼리성 인산분해효소 수치도 비교적 유의한 상관관계를 보였으나 알파태아단백과 총 단백정량은 통계적으로 유의하지 않았다. 또한 알부민(-0.449)과 혈소판치(-0.373)도 섬유화 수치와 상관관계가 없었다(p<0.000). 간 섬유화 정도가 높은 등급일수록 ROC 곡선의 정확도가 증가하였으며 F4의 간 경변 단계에서 가장 큰 AUROC값을 나타냈다. 따라서 간 섬유화 스캔 검사는 만성 간질환 환자의 간 기능 수치인 알라닌 아미노전이요소, 아스파르테이트 아미노전이요소 수치와 유의한 상관관계를 보여 간의 염증 검사 및 만성 간질환 진단에 매우 유용한 것으로 판단된다.

• 한국식품영양과학회지
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• 제31권4호
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• pp.685-690
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• 2002

인공 재배한 동충하초 밀리타리스의 균사체가 성장기 흰쥐의 영양 생리에 미치는 효과를 평가하고자 생후 5주령된 흰쥐를 대상으로 실험군은 대조식이군, 대조식이에 동충하초 균사체 분말을 각각 2%, 3% 및 4% 첨가한 식이군(균사체군) 등 4군으로 나누고, 각 실험식이로 5주간 사육한 후 여러 영양생리적 지표를 측정하였다. 실험동물의 성장률, 식이효율, 식이섭취량 및 각 장기의 무게는 2%, 3% 및 4% 균사체군은 대조군과 비슷하여 균사체 섭취에 따른 영향은 나타나지 않았다. 간의 콜레스테롤 및 인지질 농도는 각 수준별 균사체군은 대조군과 비슷하였으나, 간의 총 지질 및 중성지질 농도는 3%와 4% 균사체군은 대조군보다 유의하게 감소하였다. 혈청의 총 지질, 총 콜레스테롤, 중성지질, 인지질 농도 및 동맥경화지수는 대조군에 비하여 각 수준별 균사체군이 유의하게 감소하여 동충하초균사체가 혈청의 지질 농도를 낮추는 효과가 나타났다. 혈청의 HDL-졸레스테롤과 LDL-콜레스테롤 농도 및 총 콜레스테롤에 대한 HDL-콜레스테롤 비율은 대조군과 각 수준별 균사체군이 비슷하였다. 혈청의 총 단백질, 알부민, creatinine및 혈색소 농도와 GPT, ${\gamma}$-GTP 및 ALP 등의 효소활성은 각 수준별 균사체군과 대조군이 비슷하여 동충하초 섭취에 따른 영향은 나타나지 않았다. 혈청의 GOT및 LDH활성은 대조군에 비하여 각 수준별 균사체군이 유의하게 감소하였고, 혈청의 요소 농도는 대조군에 비하여 각 수준별 균사체군이 유의하게 증가하였다.

• Journal of Nutrition and Health
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• 제38권1호
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• pp.20-29
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• 2005

This study is conducted to determine the effects of dietary levels of corn and tuna oils on the formation of preneoplastic lesions in die-thylnitrosamine (DEN) induced rat hepatocarcinogenesis. Weanling male Sprague-Dawley rats were fed 2.5, 5, 15, 25% (w/w) corn or tuna oils. Hepatocellular carcinogenesis was induced by DEN (200 mg/kg body weight) and two-thirds partial hepactectomy was carried out 3 weeks later and were sacrificed 8 weeks after DEN initiation. Tuna oil group showed smaller area of placental glutathione S-transferase (GST-P) positive foci than com oil group. Com oil group of 25% (w/w) showed the widest area of GST -P positive foci, and tuna oil group showed significantly smaller area of GST-P positive foci than com oil in 25% (w/w) level but had no differences between oil levels. Thio-barbituric acid reactive substances (TBARS) content was the highest in 25% (w/w) level of tuna oil group fed long chain and highly polyunsaturated fatty acids. Also serum ${\gamma}$ -glutamyltranspeptidase (GGT) activities in 25% level of tuna oil group were significantly higher than by other levels. As oil contents increased, glucose 6-phosphatase (G6Pase) seems to decrease in com oil groups but remained the same in tuna oil groups. Glutathione reductase (GR) activities were significantly higher in tuna oil group, and the higher the level of tuna oil, the higher GR activities. But Cu/Zn superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities didn't seem to be influenced by levels and kind of dietary fats. Therefore, as oil levels increased, com oil rich in n-6 fatty acids promoted carcinogenesis but tuna oil rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) of n-3 fatty acids suppressed. Although lipid peroxidation products were elevated in 25% (w/w) tuna oil group, GST-P positive foci didn't increase. Therefore pre-neoplastic lesions might be reduced through mediation of a lipid peroxidation process in tuna oil. As fat contents of tuna oil increased, elevated GR activities may give a rise to produce more reduced glutathione in order to protect against free radical attack, and high G6Pase activities remained the same and they contributed to membrane stability. So tuna oil diet seems to protect hepatocarcinogenesis.