• Title/Summary/Keyword: Blood enzyme

Search Result 1,012, Processing Time 0.024 seconds

Amelioration Effects of Irrigation-Aspiration on Renal Ischemia-Reperfusion Injury in Canine Model (개에서 신장의 허혈-재관류 손상에 대한관류-흡인의 감소효과)

  • Lee, Jae-Il;Son, Hwa-Young;Jeong, Seong-Mok;Kim, Myung-Cheol
    • Journal of Veterinary Clinics
    • /
    • v.25 no.4
    • /
    • pp.257-262
    • /
    • 2008
  • Renal ischemia-reperfusion injury is great clinical important because viability of the transplanted organ depends on the tolerance of the graft to ischemia-reperfusion injury, an inevitable processing during surgery. The purpose of this study was to investigate the effects of irrigation-aspiration in ischemia-reperfusion injury model induced by cross-clamping of renal vessels. Blood samples were collected from these dogs for measurement of kidney function and antioxidant enzyme activity, and RI at the intrarenal artery was measured at different time intervals. And the kidneys were taken for histopathologic evaluation at day 14. Kidney function (Cr and BUN) showed a significant increasing in untreated group compared to treated group. Resistive index of intrarenal artery was no significant difference among the groups. Activity of antioxidant enzymes in plasma was significant decrease in untreated group compare to control group while in treated group was no significant difference compared to control group. In histopathologic finding, treated group was showed less damage than that of untreated group. This result suggests that the processing of irrigation-aspiration is useful to reducing ischemia-reperfusion injury.

Screening of $\alpha$-amylase and $\alpha$-glucosidase Inhibitors from Brazilian Plant Extracts for Treatment of Rumen Acidosis (100종 브라질 식물 추출물로부터 반추동물 산독증 예방치료를 위한 $\alpha$-amylase 및 $\alpha$-glucosidase 저해제의 선별)

  • Kim, Mi-Sun;An, Seon-Mi;Jung, In-Chang;Kwon, Gi-Seok;Sohn, Ho-Yong
    • Food Science and Preservation
    • /
    • v.17 no.2
    • /
    • pp.290-296
    • /
    • 2010
  • To develop anti-acidosis and anti-diabetes agentsfrom natural products, the inhibitory activities of Brazilian plant extracts against microbial $\alpha$-amylase and $\alpha$-glucosidase were evaluated. Among 100 different ethanol extracts tested, those of Acacia jurema Mart., Anacardium humile A. St.-Hil., Cedrela odorata L., and Guazuma ulmifolia Lam showed good inhibitoryactivities toward both enzymes. In addition, an extract of Plumeria drastica Mart. showed specific inhibition of $\alpha$-amylase, whereas that of Eugenia uniflora L. demonstrated strong inhibition of the enzyme. IC50 values of $\alpha$-amylase inhibition suggested that the extract of A. humile A. St.-Hil., which has been used as an anti-diabetes medicine in Brazil, had potent inhibitory activity. The IC50 for the A. humile A. St.-Hil. extract ($91.2{\mu}g/mL$) was similar to that of acarbose ($50.5{\mu}g/mL$). This activity of A. humile A. St.-Hil. was not reduced by heat or acid treatment. Moreover, treatment with HCl (0.01 M) for 1 h increased the inhibitory activity from 57.5% to 81.2%. Also, the extract did not cause hemolysis of human red blood cells at levels up to 1 mg/mL. The results indicate that the extract of A. humile A. St.-Hil. is potentially useful as an anti-acidosis and anti-diabetes agent.

The Effect of Polycan-Calcium Gluconate Complex on Inflammatory Mediators from Periodontitis Patients (Polycan-Calcium Gluconate 복합제에 의한 염증인자의 감소 효과)

  • Kim, Ji-Hye;Kim, Ki-Rim;Jin, Hye-Jung;Im, Sang-Uk;Song, Keun-Bae;Choi, Youn-Hee
    • Journal of dental hygiene science
    • /
    • v.14 no.2
    • /
    • pp.223-229
    • /
    • 2014
  • The aim of this study was to examine the effect of polycan-calcium gluconate complex on the levels of immune and inflammatory mediators in gingival crevicular fluid and serum from patients with periodontitis. A total of 39 patients with periodontitis took placebo (placebo group) or polycan-calcium gluconate complex (treatment group) twice a day for 4 weeks. At baseline and 4 weeks, gingival crevicular fluid (GCF) and blood was collected from each subjects. The secretion level of interleukin $(IL)-1{\beta}$ in GCF was measured by enzyme-linked immunosorbent assay (ELISA). Western blot analysis was conducted to determine the expression of matrix metalloproteinase (MMP)-8 and tumor necrosis factor $(TNF)-{\alpha}$ in GCF. Serum samples were analysed for MMP-8 by ELISA and C-reactive protein (CRP) by turbidimetric immuno assay. MMP-8 and $TNF-{\alpha}$ were significantly decreased in the treatment group at 4 weeks. The level of $IL-1{\beta}$ in the treatment group was significantly lower than those of the placebo group. No differences were observed in CRP levels. Taken together, these data indicate that taking of polycan-calcium gluconate complex led to reduction of inflammatory biomarkers in serum and GCF of periodontitis patients.

The Significance of Caspase-Cleaved Cytokeratin 18 in Pleural Effusion

  • Lee, Keu Sung;Chung, Joo Yang;Jung, Yun Jung;Chung, Wou Young;Park, Joo Hun;Sheen, Seung Soo;Lee, Kyi Beom;Park, Kwang Joo
    • Tuberculosis and Respiratory Diseases
    • /
    • v.76 no.1
    • /
    • pp.15-22
    • /
    • 2014
  • Background: Apoptosis plays a role in the development of pleural effusion. Caspase-cleaved cytokeratin 18, a marker for epithelial cell apoptosis, was evaluated in pleural effusion. Methods: A total of 79 patients with pleural effusion were enrolled. The underlying causes were lung cancer (n=24), parapneumonic effusion (n=15), tuberculous effusion (n=28), and transudates (n=12). The levels of M30, an epitope of caspase-cleaved cytokeratin 18, were measured in blood and pleural fluids using enzyme-linked immunosorbent assay along with routine cellular and biochemical parameters. The expression of M30 was evaluated in the pleural tissues using immunohistochemistry for M30. Results: The M30 levels in pleural fluid were significantly higher in patients with tuberculosis ($2,632.1{\pm}1,467.3U/mL$) than in patients with lung cancer ($956.5{\pm}618.5U/mL$), parapneumonic effusion ($689.9{\pm}413.6U/mL$), and transudates ($273.6{\pm}144.5U/mL$; all p<0.01). The serum levels were not significantly different among the disease groups. Based on receiver operating characteristics analysis, the area under the curve of M30 for differentiating tuberculous pleural effusion from all other effusions was 0.93. In the immunohistochemical analysis of M30, all pathologic types of cancer cells showed moderate to high expression, and the epithelioid cells in granulomas showed high expression in tuberculous pleural tissues. Conclusion: Caspase-cleaved cytokeratin 18 was most prominently observed in tuberculous pleural effusion and showed utility as a clinical marker. The main source of M30 was found to be the epithelioid cells of granulomas in tuberculous pleural tissues.

The Effect of Dietary Modified Potato Starch By Chemically Denatured Treatment and Potato Starch on the Weight Loss, Lipid Metabolism and Redox Antioxidant System in High Fat Diet-Induced Obese Rats (화학적 변성 및 생감자 전분이 고지방식이로부터 유도된 비만 흰쥐의 지질대사 및 항산화계에 미치는 영향)

  • Park, Soo-Jin;Choi, Mi-Kyeong;Kim, Jin-Suk;Lim, Hak-Tea;Kang, Myung-Hwa
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.37 no.10
    • /
    • pp.1251-1257
    • /
    • 2008
  • For the first 42 days, we made rats obese by feeding them potato starch instead of corn starch and after that we fed them transformed potato starch by 4 groups for 70 days. The 4 groups are GPS group, SPS group, EZ group and H40 groups and each were fed normal potato, small potato, enzyme treated potato, and acid treated potato starches, respectively. We determined body weight and feeding efficiency, lipid profiles in serum, lipid peroxidation in tissues and redox antioxidant system as GSH and GP-x in vivo. As a result, there was no difference in the increment of body weight in the groups of GPS, EZ and H40. Therefore EZ group showed lower body weight increment than other groups. While GPS group and SPS group did not show significant difference in blood glucose, cholesterol level, LDL-cholesterol and TC, and their measured values were lower than those of EZ and H40 groups. No significant difference was found in HDL-cholesterol level except for GPS group. Furthermore, when calculating atherogenic index (AI) by HDL-cholesterol and TC contents, H40 group showed higher measured value than other groups. When measuring the lipid peroxidation in serum, kidney and liver tissues, the serum lipid peroxidation in H40 group was higher than others. In the tissue of liver and kidney, EZ and H40 groups showed significantly lower contents than others. The content of GSH showed different tendency in each tissue, but the measured value of GP-x activity was lower in SPS group.

Regulatory effects of Seogakjihwang-tang on Cytokines and Growth Factor Production in PBMC from the Patient with Cerebral infarction under Consciousness Disorders

  • Kim Yo Han;Sung Kang Keyng;Lee Kwang Ro;Lee Sang Kwan;Cheong Sang Su;Kang Sei Young;Lee So Young
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.17 no.3
    • /
    • pp.829-836
    • /
    • 2003
  • Seogakjihwang-tang (SJT) was widely used to treat patients suffering from cerebral infarction. But scientific investigation has been carried out very little. The aim of the present study is to investigate the effect of SJT on the production of various cytokines in the patients with cerebral infarction (CI). We investigated interleukin (IL)-4, IL-10 and transforming growth factor (TGF)-1 in the sera of 27 patients with cerebral infarction under consciousness disorders and 10 normal controls using an originally devised sensitive sandwich enzyme-linked immunosorbent assay (ELISA). We found that plasma levels of IL-4 were slightly elevated in patients with cerebral infarction, whereas plasma levels of IL-10 (P<0.001) and TGF-1 were reduced. Peripheral blood mononuclear cells (PBMC) obtained from the patient with CI were cultured for 24 h in the presence or absence of lipopolysaccharide (LPS) or phytohaemagglutinin (PHA). The amount of IL-4, IL-10 and TGF-1, in culture supernatant, was significantly increased in the LPS or PHA treated cells compared to unstimulated cells (P<0.05), We also show that increased cytokines IL-4, and IL-10 level was significantly inhibited by SJT in a dose-dependent manner. Maximal inhibition rate of IL-4 and IL-10 production by SJT was 45.63.3% and 614.7% for LPS-stimulated cell and 27.31.2% and 83.62% for PHA-stimulated cells, respectively (P<0.05). On the other hand, SJT significantly increased the LPS or PHA-induced TGF-1 production (P<0.05). These data suggest that SJT has a regulatory effect on the cytokines production, which might explain its beneficial effect in the treatment of CI.

Effects of Helicobacter pylori Antigen on Producton of Transforming growth factor-$\beta$1 and Nitric oxide in Human Fibroblast (사람성유아세포의 Transforming growth factor-$\beta$1과 Nitric oxide 생성에 미치는 Helicobacter pylori 항원의 효과)

  • 박무인;박선자;구자영;김광혁
    • Journal of Life Science
    • /
    • v.11 no.2
    • /
    • pp.181-189
    • /
    • 2001
  • Cytokines are hormone-like proteins which mediate and regulast inflammatory and immune responses. Transforming growth factor -$\beta$1(TGF-$\beta$) plays an important role in the control of the immune response and wound healing, and in the development o various tissues and organs, Nitric oxide(NO) is major messenger molecule regulating immune function and blood vessel dilation and serving as a neurotransmitter in the brain and peripheral nervous system. Also, NO is to be a potent mutagen that cause mutation in the p53 tumor suppressor gene in early phases of human gastric carcinogenesis. The purpose of this study was to investigate the effect of Helicobacter phlori lystes, lipopolysaccharide (LPS), and Staphylococcus enterotoxin B(SEB) on production of TGF-$\beta$1 and NO by human fibroblasts. Primary cultured human fibroblasts were incubated with H. pylori lysates(Hp), LPs, SEB, Hp+LPS, Hp+SEB, Hp+LPS+SEB. Cultured supernatants that were collected at 24, 48 and 72 hr were assessed for TGF-$\beta$1 by enzyme-linked immunosorbent assay and NO production by quantification of nitrite ion. TGF-$\beta$1 production in fibroblasts exposed with Hp, LPS or SEB for 48 hrs was enhanced, but for 72 hrs inhibited. Its production by doble exposure such as Hp+LPS, Hp+SEB, Hp+LPS+SEB was lowered in comparison with single exposure of Hp in cases of 24 and 48 hrs incubation, but for 72 hrs decreased in Hp vaculoating toxin(+), increased in Hp vacuolating toxin(-). No production in fibroblasts increaed at all doses of LPS. But its production by exposure of SEB increased or decreased according to dose and incubation time. Also, NO production by Hp vacuolating toxin(+) increased at all doses, but its production by Hp vacuolating toxin(-) decreased. Its production by doble exposure such as Hp+LPS, Hp+SEB, Hp+LPS+SEB decreased in comparison with single exposure Hp Therefore, quantities pf TGB-$\beta$1 and NO released by human fibroblasts shows differences according to kinds of stimulants. Also, in care stimulated with same kinds of stimulants, its productions exhibit quantitative differences according to exposure times. These results suggest that the decreased of TGF-$\beta$1 in fibroblasts by mixed exposure with Hp producing vacuolating toxin and bacterial toxins such as LPS and SEB may effect negatively in healing of host tissue and increased of NO by infection oh H. pylori may related to the increased susceptibility for human gastric carcinogenesis.

  • PDF

Effect of Dietary Soybean Hydrolysate on Plasma Lipid Profiles, Select Biochemical Indexes, and Histopathological Changes in Spontaneously Hypertensive Rats (대두가수분해물 유래 펩타이드 투여가 자발성 고혈압 흰쥐의 혈중 지질수준, 생화학적 지표 및 조직병리학적 변화에 미치는 영향)

  • Chung, Sun-Wha;Choi, Min-Ah;Park, Jeong-Soon;Kim, Kil-Soo;Chung, Dae-Kyun;Nam, Hee-Sop;Shin, Zae-Ik;Yu, Ri-Na
    • Korean Journal of Food Science and Technology
    • /
    • v.31 no.4
    • /
    • pp.1101-1108
    • /
    • 1999
  • Soybean (SoyPep) was prepared and evaluated their action on blood lipid profiles, select biochemical indexes and histopathological changes in spontaneously hypertensive rat (SHR). Male SHRs were divided into three groups and fed the experimental diet containing 0% (control), 3%, 10% SoyPep for 8 weeks. Lipids, antioxidative vitamin levels, glutamate oxaloacetate transaminase (GOT) and glutamate pyruvate transaminase (GPT) activities in plasma were measured, and angiotensin I converting enzyme (ACE) activities in kidney, vascular tissue and plasma were also measured. In addition, histopathological changes in various organs were investigated. Dietary SoyPep was effective for lowering plasma levels of triglyceride and LDL-cholesterol. ACE activities in aorta and kidney were decreased in the group fed SoyPep compared to control. There was no difference of plasma GOT and GPT activities, and no histopathological difference in various organs among the experimental groups. Our results suggest that SoyPep has beneficial effects on diseases such as hypertension and atherosclerosis. SoyPep could be useful to develop a novel functional safe food additive for preventing the chronic diseases.

  • PDF

Follicular fluid cerebellin and betatrophin regulate the metabolic functions of growing follicles in polycystic ovary syndrome

  • Ersahin, Aynur Adeviye;Acet, Mustafa;Ersahin, Suat Suphan;Acet, Tuba;Yardim, Meltem;Kenanoglu, Omer;Aydin, Suleyman
    • Clinical and Experimental Reproductive Medicine
    • /
    • v.44 no.1
    • /
    • pp.33-39
    • /
    • 2017
  • Objective: The aim of this study was to assess the changes of follicular fluid (FF) and serum levels of cerebellin precursor protein 1 (cbln1) and betatrophin in patients with polycystic ovary syndrome (PCOS) undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) with a gonadotropin-releasing hormone (GnRH) antagonist protocol. Methods: Twenty infertile women with PCOS and 20 control women diagnosed as poor responders undergoing ovarian stimulation with a GnRH antagonist were included. Blood samples were obtained during ovum pick-up. Follicular fluid from a dominant follicle was collected from the subjects. Using enzyme-linked immunosorbent assays, FF and serum levels of cbln1 and betatrophin were measured in both groups of participants. Metabolic and hormonal parameters were also determined and correlated with each other. Results: Both groups of women had similar serum and FF betatrophin levels ($55.0{\pm}8.9ng/mL$ vs. $53.1{\pm}10.3ng/mL$, p=0.11). The serum and FF betatrophin levels of poor responders were found to be similar ($49.9{\pm}5.9ng/mL$ vs. $48.9{\pm}10.7ng/mL$, p=0.22). Conversely, the FF cbln1 levels of PCOS women were found to be significantly higher than the serum cbln1 levels ($589.1{\pm}147.6ng/L$ vs. $531.7{\pm}74.3ng/L$, p<0.02). The FF cbln1 levels of control participants without PCOS were significantly higher than their serum cbln1 levels ($599.3{\pm}211.5ng/L$ vs. $525.3{\pm}87.0ng/L$, p=0.01). Positive correlations were detected among body mass index, insulin resistance, serum insulin, total testosterone, and betatrophin levels in the PCOS group. Conclusion: Follicular fluid betatrophin and cbln1 concentrations may play a pivotal role on follicular growth in PCOS subjects undergoing IVF/ICSI with an antagonist protocol.

The Effects of Ethanol on Cholinesterase Inactivation by Organophosphorous (에탄올이 유기인제 농약에 의한 Cholinesterase 불활성화에 미치는 영향)

  • Choi, Hyoung-Chul;Kim, Jong-Ho;Ha, Jeoung-Hee;Lee, Kwang-Yoon;Kim, Won-Joon;Woo, Hyun-Jae;Huh, Chang-Uk;Son, Soo-Min;Chun, Eun-Jin
    • Journal of Yeungnam Medical Science
    • /
    • v.16 no.2
    • /
    • pp.326-332
    • /
    • 1999
  • Background: In korea the agricultural community widely uses organophosphorous, and organophosphorous poisonings are increasing every year. We compared change in activity of acetylcholinesterase and pseudocholinesterase by organophosphorous and by the interaction of ethanol and organophosphorous. We also compared the effect of reversible anticholinesterase drugs, physostigmine and neostigmine The object of this study is to investigate the effects of several anticholinesterase drugs and on how ethanol influences the activity of cholinesterase. Materials and Methods: Fifteen male university students were randomly selected, and blood samples were taken from the antecubital vein. The acetylcholinesterase in the RBC and the pseudocholinesterase in the serum were extracted and separated. The enzyme activity change was measured by the electrometric method. After adding acetylcholine, the pH change was measured with a pH meter. Results and Conclusion: Our results indicated that reversible anticholinesterase drugs decreased the cholinesterase activity more efficiently than organophosphorous. The acetyl cholinesterase and pseudocholinosterase activity were decreased by ethanol. When ethanol was added, oxime a cholinesterase activator, increased acetylcholinesterase activity but does not increased pseudocholinesterase activity.

  • PDF