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High content of dietary fructose stimulates the formation of neutrophil extracellular traps in the biliary system 高含量的膳食果糖会刺激胆道系统中中性粒细胞胞外陷阱的形成
Pub Date : 2020-04-01 DOI: 10.25040/ecpb2020.01.029
І. Біла, О. І. Віщур, Р. О. Білий
Neutrophils safeguard our bloodstreams as well as the surface of ducts, mucosa linings and wounds, intending to protect us from pathogens. Bile ducts connect the bacteria-filled intestine with the liver, the metabolic factory of the body, full of sinusoidal capillaries. Thus, bile ducts become a hot place in the body, requiring constant protection from pathogens. Neutrophils can us three ways: they can phagocytize pathogens, produce chemicals mediate pathogens` to form neutrophil extracellular traps (NETs). The latter decondensed DNA fibers, decorated components of neutrophilic granules abundant ROS production. NETs the but, and examined for the presence of NETs by visualizing DNA content with PI by means of the fluorescence microscopy. Under both HFD and HLHCD conditions we observed the formation of NETs in the gallbladder. Serum, obtained from blood samples, was analyzed for the activity of neutrophil elastase (an enzyme released from neutrophilic granules upon NETs formation) by using specific fluorogenic substrate. Neutrophil elastase activity was significantly increased after 6 weeks of feeding on the HFD (p=0.0219) and HLHCD (p=0.0148, ANOVA). Thus, we can conclude that high dietary fructose content stimulates the formation of neutrophil extracellular traps in bile ducts of experimental animals. These findings are extremely important in understanding the reasons for low-grade inflammation observed under non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).
中性粒细胞保护我们的血液,以及导管表面、粘膜内壁和伤口,旨在保护我们免受病原体的侵害。胆管连接充满细菌的肠道和肝脏,肝脏是身体的代谢工厂,充满了窦状毛细血管。因此,胆管成为身体的一个热点,需要不断地保护免受病原体的侵害。中性粒细胞有三种作用:吞噬病原体,产生化学物质介导病原体,形成中性粒细胞胞外陷阱(NETs)。后者脱氧DNA纤维,装饰成分的中性粒细胞颗粒丰富的ROS生产。NETs的存在,并通过荧光显微镜用PI观察DNA含量来检查NETs的存在。在HFD和HLHCD条件下,我们观察到胆囊内NETs的形成。通过使用特定的荧光底物分析从血液样本中获得的血清中中性粒细胞弹性酶(中性粒细胞颗粒在NETs形成时释放的酶)的活性。饲喂6周后,中性粒细胞弹性酶活性显著提高(p=0.0219)和HLHCD (p=0.0148,方差分析)。因此,我们可以得出结论,高膳食果糖含量刺激实验动物胆管中中性粒细胞胞外陷阱的形成。这些发现对于理解在非酒精性脂肪性肝病(NAFLD)和非酒精性脂肪性肝炎(NASH)下观察到的低度炎症的原因非常重要。
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引用次数: 2
The variety of immune responses to adoptogenetic balneotherapy is strictly deterministic 对过继性浴疗的各种免疫反应是严格确定的
Pub Date : 2020-04-01 DOI: 10.25040/ecpb2020.01.005
O. Melnyk, Z. Struk
Four variants of the immune responses to adaptogenic balneotherapy have been identified. It is shown that the immunotropic effect of balneotherapy on certain individuals is not effec tive enough and in some cases even unfavorable. All four variants of immune responses are virtually unmistakably predicted by a set of 20 immune and microbiota predictors. Each type of immune response is characterized by a specific vegetative, endocrine and metabolic support. In the next study the discriminant analysis revealed that the constellation 8 HRV and 5 endo crine parameters as well as gender of the patient predicts the nature of the immune response with an accuracy of 90,9%. As soon as we found out 16 metabolic parameters as the predictors which, taken together, determine the nature of the immune response with an accuracy of 95,5%. Standing on the positions of determinism, we assumed that taking into account all the recorded initial neuro-endocrine and metabolic parameters of the body would allow to predict the immune response of each patient unmistakably. Testing this hypothesis was the purpose of this study. The object of observation was 34 men and 10 women aged 24-70, who came to the Truskavets’ spa for the treatment of chronic pyelonephritis combined with cholecystitis in remission. The state of the autonomic nervous system is estimated by parameters of HRV (“CardioLab+HRV”). To assess the endocrine status we determined plasma levels of principal adaptation hormones: Cortisol, Testosterone and Triiodothyronine (ELISA with the use of analyzer “RT-2100C”). The metabolic panel amounted to: plasma lipoproteines; the plasma and daily urine levels of the electrolytes (calcium, magnesium, phosphates, chloride, sodium and potassium; nitrous metabo lites (creatinine, urea, uric acid). According to the parameters of electrolyte exchange, hormonal activity was evaluated: parathyroid, calcitonin and mineralocorticoid. Following the accepted algorithm, the forward stepwise method revealed 31 parameters as the predictors, among them: 13 HRVs, 4 endocrine, 11 metabolic as well as 2 parameters of cholekinetics and age. All types of immune response to adaptogenic balneotherapy are predicted unmistakably. The previously revealed variety of immune responses to adaptogenic balneotherapy is quite strictly conditioned by the initial state of the neuroendocrine-immune complex, microbiota, me tabolism as well as the sex and age of patients.
已经确定了四种对适应原性按摩疗法的免疫反应变体。研究表明,按摩疗法对某些个体的免疫增强作用不够有效,在某些情况下甚至不利。免疫反应的所有四种变体实际上都是由一组20个免疫和微生物群预测因子准确预测的。每种类型的免疫反应都有特定的植物、内分泌和代谢支持。在接下来的研究中,判别分析显示,星座8 HRV和5 endo犯罪参数以及患者的性别预测免疫反应的性质,准确率为90.9%。我们发现了16个代谢参数作为预测因子,它们加在一起,就能确定免疫反应的性质准确率达到95.5%。站在决定论的立场上,我们假设考虑到所有记录的身体初始神经内分泌和代谢参数,将允许准确地预测每个患者的免疫反应。检验这一假设是本研究的目的。观察对象为34男10女,年龄24-70岁,来Truskavets水疗中心治疗慢性肾盂肾炎合并胆囊炎缓解期患者。自主神经系统的状态通过HRV参数(CardioLab+HRV)来估计。为了评估内分泌状况,我们测定了血浆中主要适应激素的水平:皮质醇、睾酮和三碘甲状腺原氨酸(ELISA,使用RT-2100C分析仪)。代谢组为:血浆脂蛋白;电解质(钙、镁、磷酸盐、氯化物、钠和钾)的血浆和每日尿液水平;亚氮代谢(肌酐、尿素、尿酸)。根据电解质交换参数,评估激素活性:甲状旁腺、降钙素和矿化皮质激素。按照公认的算法,正演逐步法得到31个参数作为预测指标,其中hrv 13个,内分泌4个,代谢11个,胆动力学和年龄2个。所有类型的免疫反应,以适应原疗法预测无误。先前揭示的对适应性疗法的各种免疫反应严格取决于神经内分泌-免疫复合物、微生物群、代谢以及患者的性别和年龄的初始状态。
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引用次数: 1
Protector properties of N-acetylcysteine, melatonin and their compatible use for oxidative damage of rat brain cells with experimental diabetes mellitus type 1 n -乙酰半胱氨酸、褪黑素对实验性1型糖尿病大鼠脑细胞氧化损伤的保护作用及其相容性研究
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.016
Diabetes mellitus (DM) is the most widespread endocrinological disease which associated with increasing risk of Alzheimer’s disease. Diabetic encephalopathy is one of the most common and serious complications of DM. Molecular mechanisms of diabetic encephalopathy are inves-tigated. An important element in the development of DM1 encephalopathy is the activation of oxidative stress. And determination the levels of “free iron” and 8-oxoguanine are important for evaluation of the effectiveness of diabetic encephalopathy therapy. Purpose of the study. To study the effect of N-acetylcysteine, melatonin and their compatible use on the state of oxidative damage of rat brain cells with experimental DM1. Materials and research methods. Experiments were carried out on male Wistar rats. DM1 was induced by administration of streptozotocin (STZ). Rats with induced DM1 was re-ceiving N-acetylcysteine (NAC, 1500 mg/kg), melatonin (Mel, 10 mg/kg) and a combination during 5 weeks, starting at 15 days after control pathology was reproduced. Euthanasia was implemented by decapitation under thiopental anesthesia (40 mg/kg, intraperitoneally) to col-lect blood and brain of rats. Molecular determined by spectrophotometrically. Levels of “free iron” were determined by electron paramagnetic resonance (EPR) on a computerized EPR-spectrophotometer PE-1307. Results and its discussion. During 7-week experiment, the levels of “free iron” in brain tissue and blood in group of animals with DM1 were significantly higher than corresponding values of control group (by 17-times and by 8-times р< 0,05). Under these conditions, the marker of oxidatively damaged DNA, 8-oxoG, significantly raised in brain of diabetic rats by 3.4 times more than in control group (0.61±0.10 nm/g vs 0.18±0.06 nm/g, р< 0,05). The induction of NAC, Mel, and especially their combination, was accompanied with decrease in “free iron” complexes in brain tissues (by 2.1-8.5-times) and blood (by 1.2-1.4-times) of rats with experimental DM1. 0,05). significant 2.0-fold decrease of 8-oxoG Conclusions. Induction of DM1 contributes to the intensification of oxidation processes, which is accompanied by an increasing in the levels of “free iron” complexes in the tissues of the brain and of experimental Under these conditions, oxidative damage to was observed, as evidenced by increasing in the level of 8-oxoG (p <0.05). The induction of N-acetylcysteine, melatonin, and especially their combination, contributed to the antioxidant protection of rat brain cells with experimental DM1, reducing the level of “free iron” and coun-teracting oxidative DNA damage.
糖尿病(DM)是最普遍的内分泌疾病,与阿尔茨海默病的风险增加有关。糖尿病性脑病是糖尿病最常见、最严重的并发症之一,本文对糖尿病性脑病的分子机制进行了探讨。DM1脑病发展的一个重要因素是氧化应激的激活。测定游离铁和8-氧鸟嘌呤水平对评价糖尿病脑病治疗效果具有重要意义。研究目的:研究n -乙酰半胱氨酸、褪黑素及其配伍对实验性DM1大鼠脑细胞氧化损伤状态的影响。材料和研究方法。实验在雄性Wistar大鼠身上进行。用链脲佐菌素(STZ)诱导DM1。诱导DM1的大鼠在复制对照病理后第15天开始接受n -乙酰半胱氨酸(NAC, 1500 mg/kg)、褪黑素(Mel, 10 mg/kg)和联合用药5周。大鼠采用硫喷妥钠麻醉(40 mg/kg,腹腔)砍头取血、取脑安乐死。用分光光度法测定分子。在计算机化EPR-分光光度计PE-1307上用电子顺磁共振(EPR)测定“游离铁”水平。结果及其讨论。在7周的试验中,DM1组动物脑组织和血液中的“游离铁”水平显著高于对照组(分别提高了17倍和8倍,p < 0.05)。在这些条件下,糖尿病大鼠脑内氧化损伤DNA标志物8-oxoG显著升高,是对照组的3.4倍(0.61±0.10 nm/g vs 0.18±0.06 nm/g, p < 0.05)。NAC、Mel的诱导,尤其是它们的联合,伴随着DM1大鼠脑组织和血液中“游离铁”复合物的减少(减少2.1-8.5倍)和血液中“游离铁”复合物的减少(减少1.2-1.4倍)。0 05)。8-oxoG显著降低2.0倍。DM1的诱导有助于氧化过程的加剧,这伴随着脑组织中“游离铁”复合物水平的增加,在这些条件下,观察到氧化损伤,8-oxoG水平升高(p <0.05)。n-乙酰半胱氨酸、褪黑素的诱导,尤其是它们的组合,有助于实验性DM1对大鼠脑细胞的抗氧化保护,降低“游离铁”水平,对抗氧化性DNA损伤。
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引用次数: 0
Influence of physical rehabilitation on the quality of life in patients with rheumatoid arthritis 物理康复对类风湿关节炎患者生活质量的影响
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.045
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引用次数: 0
BIGUANIDES AND IMMUNE CHANGES IN PATIENTS WITH SYSTEMIC CONNECTIVE TISSUE DISEASES WITH A METABOLIC SYNDROME 双胍类药物与代谢综合征全身性结缔组织疾病患者的免疫变化
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.029
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引用次数: 0
Theoretical and applied aspects of the application of alternative methods of toxicity research in the implementation of hygienic regulation of chemical factors of production 理论和应用方面的替代方法的毒性研究在实施卫生监管的化学生产要素
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.073
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引用次数: 0
Impact of Nitric Oxide Synthesis Modulators on the Mechanisms of Apoptosis Development and Production of Reactive Oxygen Species in the Blood Leukocytes in Experimental Antiphospholipid Syndrome 一氧化氮合成调节剂对实验性抗磷脂综合征血液白细胞凋亡发展和活性氧产生机制的影响
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.053
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引用次数: 0
Ovarian cancer: Ca2+-dependent and Ca2+-independent isoforms of NO-synthase functioning in blood lymphocytes of women 卵巢癌:女性血液淋巴细胞中no合酶的Ca2+依赖和Ca2+独立亚型
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.063
The purpose of the work was to study the activity and kinetic parameters of isoforms of NO-synthase blood lymphocytes in women with ovarian cancer. Ovarian cancer is considered to be one of the most severe diseases of the female reproductive tract. The study of the pathogenesis of ovarian cancer is being directed to improve methods of diagnosis and detection of tumor formation process at an early stages. It is known that metabolism of L -arginine and synthesis of nitric oxide (NO) plays an important role in carcinogenesis and tumor growth. It is assumed that NO modulates can-cer-dependent events, including angiogenesis, apoptosis, cell cycle, invasion imaginary affinity constant inducible isoform of NO-synthase to arginine was in 5.4 times lower than that of constitutive isoforms of NO-synthase of blood lymphocytes of the control group and inhibition of constitutive isoform occurs by competitive type –by reducing the rate of enzyme turnover.
研究卵巢癌患者血液淋巴细胞no合酶同工型的活性和动力学参数。卵巢癌被认为是女性生殖道最严重的疾病之一。卵巢癌发病机制的研究是为了提高早期诊断和检测肿瘤形成过程的方法。已知L -精氨酸的代谢和一氧化氮(NO)的合成在癌变和肿瘤生长中起重要作用。假设NO调节肿瘤依赖事件,包括血管生成、细胞凋亡、细胞周期、侵袭假想亲和常数,诱导NO-合成酶对精氨酸的组成型异构体比对照组血液淋巴细胞NO-合成酶的组成型异构体低5.4倍,组成型异构体的抑制是竞争性的-通过降低酶的周转率。
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引用次数: 0
Changes in the hemodynamics of athletes under the influence of anaerobic physical tests of different duration 不同持续时间无氧体能测试影响下运动员血流动力学的变化
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.038
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引用次数: 0
The Biochemical Parameters of Blood and Homogenate of the Alveolar Bone of Female Rats at Long-term Experimental Methionine Hyperhomocysteinemia and its Correction with Choline and Vitamin D 长期实验性蛋氨酸高同型半胱氨酸血症雌性大鼠血液及肺泡骨匀浆生化参数及胆碱和维生素D的校正
Pub Date : 2020-01-15 DOI: 10.25040/ecpb2019.04.022
І. Кутельмах
bone homogenate of the experimental animals, the concentration of total protein, malondial-dehyde, reduced glutathione, phospholipids and their fractional composition, total and ionized calcium and phosphate content, alkaline acid phosphatase, alpha phosphate activity, alkaline phosphatase activity, and alpha phosphate activity were determined, content of homocysteine and 25-hydroxyvitamin D (25-OH D). on the female rats on the biochemical processes in the blood and the dental status of their progeny, in the early postnatal period of life.
测定实验动物骨匀浆、总蛋白、丙二醛、还原性谷胱甘肽、磷脂及其分数组成浓度、总钙和电离钙、磷酸盐含量、碱性酸性磷酸酶、α -磷酸活性、碱性磷酸酶活性和α -磷酸活性。同型半胱氨酸和25-羟基维生素D (25-OH D)的含量对母鼠血液生化过程和子代牙齿状况的影响。
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引用次数: 1
期刊
Experimental and Clinical Physiology and Biochemistry
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