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Long-term efficacy of vedolizumab therapy in patients with Crohn’s disease 维多珠单抗治疗克罗恩病患者的长期疗效
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-34-41
E. Peda, B. Nanaeva, O. Knyazev, T. Alexandrov, T. Baranova
Introduction: Currently, the possibilities in the treatment of Crohn’s disease (CD) are expanding. Various classes of genetically engineered biological therapy are available for the treatment of inflammatory bowel diseases (IBD). Vedolizumab, having a selective nature of action, has a higher safety profile of the drug, which suggests lower immunogenicity and, as a consequence, long-term efficacy. Materials and methods: A retrospective study was conducted on the basis of the National Medical Research Centre of Coloproctology named after A. N. Ryzhikh, which included 54 patients treated with vedolizumab. In the course of the work, the survival of therapy was evaluated, as well as the influence of demographic characteristics, localization, phenotype of the disease and other factors on the effectiveness of therapy. Results: The study showed 86.0% (95% CI 72.8-93.1) survival of therapy for 15 months and 75.9% (95% CI 58.8-86.7) for two years. No statistically significant differences were obtained when assessing the effect of gender, comorbidity, lesion localization, disease phenotype, smoker status and the use of glucocorticosteroids during vedolizumab induction. During the analysis, it was revealed that significant factors affecting the effectiveness of therapy are the age of CD debut less than 21 years and the SES-CD index index more than 7, as well as previous therapy with the use of two or more anti-TNF drugs. Discussion: Despite the small sample size, the findings allow us to predict the effectiveness of therapy, which may affect survival.
简介目前,治疗克罗恩病(CD)的可能性正在不断扩大。各种基因工程生物疗法可用于治疗炎症性肠病(IBD)。维多珠单抗具有选择性作用,药物安全性较高,免疫原性较低,因此具有长期疗效。材料与方法在以 A. N. Ryzhikh 命名的国家结肠直肠医学研究中心的基础上进行了一项回顾性研究,其中包括 54 名接受过维妥珠单抗治疗的患者。在研究过程中,评估了治疗的存活率,以及人口学特征、疾病的定位、表型和其他因素对治疗效果的影响。结果显示研究显示,15 个月的治疗存活率为 86.0%(95% CI 72.8-93.1),两年的治疗存活率为 75.9%(95% CI 58.8-86.7)。在评估性别、合并症、病灶定位、疾病表型、吸烟状况以及在维多珠单抗诱导期间使用糖皮质激素的影响时,未发现有统计学意义的差异。分析结果显示,影响疗效的重要因素包括 CD 首次发病年龄小于 21 岁、SES-CD 指数大于 7 以及既往曾使用两种或两种以上抗肿瘤坏死因子药物治疗。讨论:尽管样本量较小,但研究结果使我们能够预测可能影响生存的治疗效果。
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引用次数: 0
New opportunities in the diagnosis and treatment of inflammatory bowel diseases 诊断和治疗炎症性肠病的新机遇
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-13-19
A. Pershko, V. Grinevich, E. S. Ivanyuk
The study of inflammatory bowel disease is characterized by dynamism and new discoveries. Subtle and new mechanisms of participation of genetic and environmental factors in the pathogenesis of inflammatory bowel diseases have been deciphered, as well as new classes of drugs have appeared that allow influencing many parts of the inflammatory process. However, the paradox of the situation lies in the fact that the more recent advances and discoveries in the field of biology and medicine, the more “gray spots” become in our understanding of the pathogenesis and approaches to the treatment of this category of patients. At the same time, the fundamental problems of IBD, related to reducing the risk of surgical interventions and restoring the quality of life of patients to the population level, are far from being resolved. The article discusses new methodological approaches to the treatment of patients with inflammatory bowel diseases using new classes of cytostatics and granulocyte-macrophage colony-stimulating factors.
炎症性肠病研究的特点是充满活力和新发现。遗传和环境因素参与炎症性肠病发病机制的微妙机制和新机制已被破译,新的药物类别也已出现,可以影响炎症过程的许多部分。然而,情况的矛盾之处在于,生物学和医学领域的最新进展和发现越多,我们对这类病人的发病机制和治疗方法的认识就越 "灰暗"。与此同时,IBD 的根本问题,即降低手术干预的风险和恢复患者的生活质量,远未得到解决。文章讨论了使用新型细胞抑制剂和粒细胞-巨噬细胞集落刺激因子治疗炎症性肠病患者的新方法。
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引用次数: 0
Clinical features of the course of polyarteritis nodosa in combination with familial Mediterranean fever 结节性多动脉炎合并家族性地中海热病程的临床特征
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-231-237
L. P. Petrosyan, M. Sargsyan, V. O. Petrosyan, V. N. Mukuchyan
There are certain difficulties with diagnosing of poliarteritis nodoza, that is explained by the folllowung factors: non-specificity of the initial symptoms, polymorphism of clinical manifestations, the abcence of specific laboratory markers. Тhe diagnosis is made primarily on the basis of the clinical picture, that becomes apparent during the first three months of illness. The abcence of a detailed clinical picture does not exclude the presense of poliarteritis nodoza. It may be explained by the concomitant pathology, in this case periodic illness (familian mediterranean fever). Due to medical literature data, poliarteritis nodoza is surely associated with periodic illness. The prevalence of poliarteritis nodoza in general population is about 6 on 100 000 people.The prevalence of poliarteritis nodoza among the patients suffering from periodic illness is 1%. The patients when they are diagnosed polyarteritis nodosa in association with periodic illness are younger than the patients when they are diagnosed only polyarteritis nodosa. It turned out to be interesting that the treatment of patients with polyarteritis nodosa in association with periodic illness through glucocorticoid drugs in the combination with colchicines proved to be successful and resulted in remission.
结节性脊髓灰质炎的诊断存在一定困难,原因如下:初期症状无特异性、临床表现多态性、缺乏特异性实验室指标。诊断主要依据病程头三个月的临床表现。没有详细的临床表现并不排除患有结节性脊髓灰质炎。在这种情况下,周期性疾病(家族性地中海热)也可以解释为结节性多发性动脉炎。根据医学文献资料,结节性多发性大动脉炎肯定与周期性疾病有关。结节性多发性大动脉炎在普通人群中的发病率约为十万分之六。被诊断为结节性多动脉炎并伴有周期性疾病的患者比仅被诊断为结节性多动脉炎的患者更年轻。有趣的是,通过糖皮质激素药物与秋水仙碱联合治疗结节性多动脉炎合并周期性疾病的患者被证明是成功的,并导致病情缓解。
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引用次数: 0
Atherosclerosis of unpaired visceral branches of the abdominal aorta (clinical and instrumental diagnostics) 腹主动脉无配对内脏分支的动脉粥样硬化(临床和仪器诊断学)
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-75-84
A. Shuleshova, A. A. Lisitsa, D. V. Danilov, A. E. Komlev
Aim. To establish the prevalence of atherosclerotic lesions in the unpaired visceral artery branches of the abdominal aorta. To explore the features of clinical presentation, the state of the mucosa of the upper GI tract. Materials and methods. A total of 118 patients with atherosclerosis of the unpaired visceral artery branches of the abdominal aorta aged 45 to 89 years were examined. The comparison group included 120 patients without atherosclerosis in the unpaired visceral artery branches of the abdominal aorta. Patients in both groups had coronary atherosclerosis. Ultrasound dopplerography (USDG) as a screening technique, CT angiography, and MSCT aortography were used to verify occlusion-stenotic lesions in the unpaired visceral artery branches of the abdominal aorta. The diagnosis of erosion changes in the gastric mucosa was confirmed by clinical symptoms and endoscopic examination findings. Results. In our study, hemodynamically relevant stenosis (>70%) was identified in 28.8% of patients. The clinical presentation of atherothrombosis in mesenteric vessels was shown to be nonspecific. Abdominal pain was the most common symptom in the examined patients with abdominal angina (76.3%). The upper GI endoscopy in patients with a verified diagnosis of chronic abdominal ishemia (CAI) showed gastric mucosa atrophy (focal or diffuse) in 100% of cases. Gastric erosions are identified in 55.1% of patients. Gastric ulcers are observed in 27.1% of patients. Erosive and ulcerative lesions of the gastric mucosa are combined with atrophic changes in the mucosa. Erosive esophagitis was detected in 28.8% of patients. The frequency of detected focal abnormalities in the esophageal mucosa accounts for 27.3%, and those in the gastric mucosa is 54.2%, mainly due to intestinal metaplasia. Conclusion. Due to the increasing prevalence of obliterative vascular diseases, early detection of changes in the upper gastrointestinal tract remains an urgent challenge. The comprehensive endoscopic examination using additional endoscopic NBI and ZOOM techniques allows to identify all changes in the mucosa, including small focal abnormalities. Timely detection of the disease makes it possible to choose the right treatment method.
目的确定腹主动脉非配对内脏动脉分支动脉粥样硬化病变的发病率。探讨上消化道黏膜的临床表现特征和状态。材料和方法共研究了 118 名腹主动脉非配对内脏动脉分支动脉粥样硬化患者,年龄在 45-89 岁之间。对比组包括 120 名腹主动脉未配对内脏动脉分支未发生动脉粥样硬化的患者。两组患者均有冠状动脉粥样硬化。超声多普勒成像(USDG)作为筛查技术,CT血管造影和MSCT主动脉造影用于验证腹主动脉非配对内脏动脉分支的闭塞-狭窄病变。通过临床症状和内镜检查结果确诊胃黏膜糜烂病变。结果在我们的研究中,28.8%的患者发现了与血流动力学相关的狭窄(>70%)。肠系膜血管粥样血栓形成的临床表现无特异性。腹痛是腹型心绞痛患者最常见的症状(76.3%)。对确诊为慢性腹部缺血(CAI)的患者进行的上消化道内窥镜检查显示,100%的病例都出现了胃黏膜萎缩(局灶性或弥漫性)。55.1%的患者发现胃糜烂。27.1%的患者出现胃溃疡。胃黏膜的侵蚀性和溃疡性病变与黏膜的萎缩性变化结合在一起。28.8%的患者患有腐蚀性食管炎。食管粘膜病灶异常的检出率为 27.3%,胃粘膜病灶异常的检出率为 54.2%,主要由肠化生引起。结论由于闭塞性血管疾病的发病率越来越高,早期发现上消化道病变仍是一项紧迫的挑战。使用额外的内镜 NBI 和 ZOOM 技术进行全面的内镜检查,可以识别粘膜的所有变化,包括小的病灶异常。及时发现疾病,才能选择正确的治疗方法。
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引用次数: 0
Expression of motilin and vasoactive intestinal peptide in the mucosa of the sigmoid colon in patients with diverticular disease of the large intestine and irritable bowel syndrome 大肠憩室疾病和肠易激综合征患者乙状结肠黏膜中动肽和血管活性肠肽的表达
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-68-74
M. A. Osadchuk, E. Mironova, N. V. Kireeva
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引用次数: 0
Whipple’s disease: 5-year clinical follow-up 威普尔氏病:5 年临床随访
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-253-260
I. N. Kupriyanova, R. B. Berdnikov, R. M. Bozrov, M. A. Stafilova
The article presents a clinical observation of Whipple’s disease in a 42-year-old patient with a history of stage IIB Hodgkin’s lymphoma, in whom the disease debuted with articular syndrome, lymphadenopathy of the retroperitoneal and mesenteric lymph nodes, deep vein thrombosis of the leg. The diagnosis was confirmed by a morphological study of biopsy specimens of the duodenal mucosa, mesenteric lymph nodes 12 p. of the intestine, electron microscopic detection of accumulations of rod-shaped bacteria in the intestinal mucosa 6 years after the onset of clinical manifestations. Dynamic observation for 5 years was carried out using video gastroduodenoscopy, morphological assessment of changes in xanthoma macrophages proposed by A. Herbay, the percentage of damage by PAS-positive macrophages to the area of the lamina propria of the duodenal mucosa of the intestine. Conducted therapy with ceftriaxone for 14 days followed by taking co-trimaxosole for 4 years 7 months led to a stable remission.
文章介绍了一名 42 岁患者的 Whipple 病临床观察结果,该患者曾患有 IIB 期霍奇金淋巴瘤,发病初期伴有关节综合征、腹膜后和肠系膜淋巴结淋巴结病、腿部深静脉血栓形成。临床表现出现 6 年后,通过对十二指肠粘膜、肠系膜淋巴结 12 p.的活检标本进行形态学研究,并通过电子显微镜检测肠粘膜上的杆状细菌积聚,确诊了该病。使用视频胃十二指肠镜进行了长达 5 年的动态观察,对 A. Herbay 提出的黄疽巨噬细胞的变化进行了形态学评估,PAS 阳性巨噬细胞对肠道十二指肠粘膜固有层损伤的百分比。用头孢曲松治疗 14 天,然后服用联合曲马索 4 年 7 个月,病情得到稳定缓解。
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引用次数: 0
Probable gastrointestinal disease factors in postmenopausal age women receiving antihypertensive therapy 接受降压治疗的绝经后妇女的可能胃肠道疾病因素
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-99-106
N. A. Konyshko, G. S. Konyshko
The frequency of achieving control as a result of taking antihypertensive drugs in women in the age group 55-64 years reaches 78.9%, the frequency of gastrointestinal symptoms occurring during treatment of hypertension is up to 62%. The aim: to analyze the probable causes of the development of symptoms of diseases of the gastrointestinal tract in postmenopausal patients receiving antihypertensive therapy. Material and methods. A comprehensive clinical examination of out-patient and in-patient patients of health care institutions of the Smolensk region with hypertension aged 50 to 84 years, (group AG, n=160) mean age 67.4 ± 17.4 years. Results. Complex examination and observation on the basis of standard methods with high probability shows the formation of gastroesophageal reflux disease, gastritis, simple erosions of the gastric mucosa, biliary dysfunction, chronic pancreatitis steatohepatosis in the observed patients. Conclusions: In postmenopausal women receiving antihypertensive therapy, there are major gastrointestinal symptoms of varying severity, arising in conditions of irrational nutrition, psycho-emotional and physical stress on the background of irregular medication. Based on the analysis of modern scientific sources, it can be argued that complex rational antihypertensive, antiplatelet, hypolipidemic, antisecretory and eradication therapy and the correction of modifiable risk factors ensures the achievement of remission of gastrointestinal and cardiovascular disease in the optimal time, improves the quality, life expectancy of patients and improves disease prognosis.
55-64 岁年龄组妇女服用降压药后病情得到控制的比例达到 78.9%,在高血压治疗期间出现胃肠道症状的比例高达 62%。目的:分析绝经后接受降压治疗的患者出现胃肠道疾病症状的可能原因。材料和方法对斯摩棱斯克地区医疗机构门诊和住院的 50 至 84 岁高血压患者(AG 组,n=160)进行全面临床检查,平均年龄为 67.4 ± 17.4 岁。研究结果根据标准方法进行的综合检查和观察结果显示,被观察的患者极有可能患有胃食管反流病、胃炎、胃黏膜单纯性糜烂、胆道功能障碍、慢性胰腺炎、脂肪性肝病。结论绝经后妇女在接受降压治疗时,会出现严重程度不同的主要胃肠道症状,这些症状是在不规则用药的背景下,在营养不合理、心理情绪和身体压力的条件下产生的。根据对现代科学资料的分析,可以认为综合合理的降压、抗血小板、降脂、抗抑郁和根除疗法以及纠正可改变的危险因素,可确保在最佳时间内实现胃肠道和心血管疾病的缓解,提高患者的质量和预期寿命,改善疾病的预后。
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引用次数: 0
Efficacy of the use of angiotensin converting enzyme inhibitors in the complex therapy of gastroduodenal erosions and ulcers in patients with unstable angina 使用血管紧张素转换酶抑制剂复合疗法治疗不稳定型心绞痛患者胃十二指肠糜烂和溃疡的疗效
Pub Date : 2024-01-17 DOI: 10.31146/1682-8658-ecg-217-9-89-98
V. A. Osadchij, N. I. Bikova, I. S. Dolgopolov
Purpose of the study. To find out the effectiveness of the use of angiotensin-converting enzyme (ACE) inhibitors in the complex therapy of erosive and ulcer lesions of the stomach and duodenum in unstable angina pectoris (UA). Materials and methods. A survey of 109 patients with UA with gastroduodenal erosions and ulcers was carried out, taking into account their clinical signs, endoscopic features and the parameters of gastric secretion. The patients were divided into two groups depending on the nature of the treatment of erosions and ulcers. The first group included 40 patients treated with standard therapy, and the second one included 69 patients who additionally received ACE inhibitor lisinopril at an average dose of 7.27±0.16 mg a day. Results. The therapy by lisinopril resulted in decreasing of pain and dyspeptic syndrome, especially in patients with acute erosions, compared with conventional treatment group. According to endoscopic examination, in patients treated with lisinopril, an acceleration of repair processes in the tissues of the gastroduodenal zone was observed. The depth and size of damages, a reduction in the period of persistence of microbleeding signs and inflammatory changes in the periulcerous zone were also less pronounced in lisinopril patient’s group. In patients with acute erosions a decrease in the number and size of erosive defects of the mucous membrane was observed. The study of the parameters of gastric secretion showed that gastroduodenal erosions and ulcers in UA revealed the activation of the acid-peptic factor and a decreasing in the production of gastromucoproteins. Increased production of pepsinogen and a sharply reduced formation of protective mucus was observed in patients after conventional treatment, despite some positive dynamics. Normalization in pepsinogen secretion with some inhibition of the production of mucopolysaccharides was observed in Lisinopril treated patients at the end of therapy. Acid production in both groups was reduced, which was associated with could be provoked by an uptake of antisecretory agents. Conclusion. The use of ACE inhibitor lisinopril in the complex therapy in patients with UA with gastroduodenal erosions and ulcers is pathogenetically justified and clinically effective. This combination helps to reduce the duration of clinical signs, accelerate the healing of defects and normalize the parameters of gastric secretion.
研究目的了解血管紧张素转换酶(ACE)抑制剂在不稳定型心绞痛(UA)患者胃和十二指肠侵蚀性和溃疡性病变的综合治疗中的应用效果。材料和方法。对 109 名伴有胃十二指肠糜烂和溃疡的心绞痛患者进行了调查,调查时考虑到了他们的临床症状、内窥镜特征和胃分泌参数。根据糜烂和溃疡的治疗性质,患者被分为两组。第一组包括 40 名接受标准治疗的患者,第二组包括 69 名额外接受 ACE 抑制剂利辛普利治疗的患者,平均剂量为每天 7.27±0.16 毫克。结果显示与常规治疗组相比,使用利辛普利治疗后,疼痛和消化不良综合征有所减轻,尤其是急性糜烂患者。内窥镜检查显示,使用利辛诺普利治疗的患者胃十二指肠组织的修复过程加快。利辛诺普利患者组的损伤深度和大小、微出血迹象持续时间的缩短以及溃疡周围区域的炎症变化也不太明显。在急性糜烂患者中,可以观察到黏膜糜烂缺损的数量和大小有所减少。对胃分泌参数的研究表明,尿崩症患者的胃十二指肠糜烂和溃疡显示酸-胃蛋白酶因子被激活,胃粘蛋白的分泌减少。在接受常规治疗后,患者的胃蛋白酶原分泌增加,保护性粘液的形成急剧减少,尽管有一些积极的动态变化。利辛普利治疗的患者在治疗结束时胃蛋白酶原分泌正常化,粘多糖的产生受到一定抑制。两组患者的胃酸分泌均有所减少,这可能与抗分泌剂的吸收有关。结论在对伴有胃十二指肠糜烂和溃疡的 UA 患者进行综合治疗时使用 ACE 抑制剂赖氨普利,在病理上是合理的,在临床上也是有效的。这种联合疗法有助于缩短临床症状的持续时间,加快缺损的愈合,并使胃分泌参数恢复正常。
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引用次数: 0
HFE hemochromatosis gene polymorphism and porphyria cutanea tarda HFE血色素沉着症基因多态性与迟发性皮肤卟啉症
Pub Date : 2023-07-26 DOI: 10.31146/1682-8658-ecg-212-4-28-36
A. B. Krivosheev, M. Kondratova, A. Gurazheva, V. Maksimov
Purpose. To study the frequency of genotypes and alleles of C282Y and H63D mutations in the HFE gene in patients with porphyria cutanea tarde of the West Siberian region and their influence on the clinical and biochemical characteristics of the disease. Materials and methods. We observed 14 patients with porphyria cutanea tarde (PCT), who underwent a comprehensive general clinical and instrumental examination. The indicators of the excretory profile of porphyrin metabolism indicators were purposefully determined, a molecular genetic examination was carried out to determine the genotypes and alleles of the C282Y and H63D mutations of the hemochromatosis gene HFE. Results and discussion. Molecular genetic research found that the HFE gene mutation was found in 7 patients (50.0%). Polymorphism for the C282Y allele was found in 2 (14.3%) patients, and for the H63D allele - in 5 patients (35.7%). Risk factors for the manifestation of PCT included frequent alcohol consumption and chronic HCV infection. Genotype 1b was recorded more often (9 people), less often - genotype 3a (4 people). The excretory profile of porphyrin metabolism indices in patients of both groups exceeded the control values. Porphyrin metabolism parameters in patients without HFE gene mutations were significantly higher than those in patients without HFE gene mutations. Conclusions. Polymorphism of the hemochromatosis gene HFE in PCT was detected in 50% of patients. The most common mutation was the H63D allele. The level of porphyrin metabolism disorders in patients with HFE hemochromatosis gene mutations is significantly lower. The clinical picture of PCT in all observed patients did not differ. Chronic viral hepatitis C is assessed as a risk factor for the manifestation of PCT.
目的。目的研究西西伯利亚地区皮肤卟啉症患者HFE基因C282Y和H63D突变基因型和等位基因频率及其对疾病临床和生化特征的影响。材料和方法。我们观察了14例迟发性皮肤卟啉症(PCT)患者,他们接受了全面的一般临床和仪器检查。有目的测定卟啉代谢指标的排泄谱指标,进行分子遗传学检查,确定血色素沉着症基因HFE的C282Y和H63D突变的基因型和等位基因。结果和讨论。分子遗传学研究发现HFE基因突变7例(50.0%)。C282Y等位基因多态性2例(14.3%),H63D等位基因多态性5例(35.7%)。出现PCT的危险因素包括频繁饮酒和慢性HCV感染。基因型1b较多(9人),基因型3a较少(4人)。两组患者卟啉代谢指标排泄谱均超过对照组。无HFE基因突变的患者卟啉代谢参数明显高于无HFE基因突变的患者。结论。50%的患者在PCT中检测到血色素沉着症基因HFE多态性。最常见的突变是H63D等位基因。HFE血色素沉着症基因突变患者卟啉代谢紊乱水平明显降低。所有观察患者的PCT临床表现无差异。慢性病毒性丙型肝炎被评估为PCT表现的危险因素。
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引用次数: 0
Dynamics of glutathione- S-transferase gene expression in subacute liver damage caused by acrylamide and on the background of correction 丙烯酰胺亚急性肝损伤中谷胱甘肽- s -转移酶基因表达的动态及校正背景
Pub Date : 2023-07-26 DOI: 10.31146/1682-8658-ecg-212-4-107-112
G. F. Mukhammadieva, T. Yakupova, D. Karimov, Y. Valova, E. F. Repina, E. R. Kudoyarov
The aim of the study was to study the effect of oxymethyluracil complex compounds on the expression of glutathione-S-transferase genes in rat liver under conditions of its toxic damage by acrylamide. Materials and methods. The animals were divided into 5 groups of 6 animals each: control, acrylamide, acrylamide + complex compound of oxymethyluracil with ascorbic acid (MG-1), acrylamide + complex compound of oxymethyluracil with sodium succinate (MG-2), acrylamide + complex compound of oxymethyluracil with acetylcysteine (MG-10). The drugs were administered 1 hour before exposure to the toxicant for 28 days. After the end of the experiment, the animals were decapitated, the liver was removed, which was frozen in liquid nitrogen. Real-time reverse transcription polymerase chain reaction was used to analyze gene expression. Results. Exposure to acrylamide did not significantly affect the expression of the GSTP1, GSTT1, and GSTM1 genes in the liver of rats, however, for all the studied genes, there was a tendency to increase the value of the studied indicator. Prophylactic administration of a complex compound of oxymethyluracil with sodium succinate (MG-2) led to a statistically significant decrease in the transcriptional activity of the GSTM1 gene under conditions of toxic damage to the liver by acrylamide. Conclusion. The results of the study indicate the ability of the MG-2 drug to suppress the expression of the GSTM1 gene in the liver of rats when exposed to acrylamide. Further research is needed to better understand the molecular mechanisms of acrylamide-induced toxicity and to develop new therapeutic approaches to treat liver pathology.
本研究旨在研究丙烯酰胺毒性损伤大鼠肝脏中氧甲基尿嘧啶复合物对谷胱甘肽- s转移酶基因表达的影响。材料和方法。实验动物分为5组,每组6只:对照组、丙烯酰胺组、丙烯酰胺+氧甲基尿嘧啶与抗坏血酸络合物(MG-1)、丙烯酰胺+氧甲基尿嘧啶与琥珀酸钠络合物(MG-2)、丙烯酰胺+氧甲基尿嘧啶与乙酰半胱氨酸络合物(MG-10)。药物在接触毒物前1小时给药,持续28天。实验结束后,动物被斩首,肝脏被取出,冷冻在液氮中。采用实时逆转录聚合酶链反应分析基因表达。结果。丙烯酰胺暴露对大鼠肝脏中GSTP1、GSTT1和GSTM1基因的表达没有显著影响,但对所有研究基因都有增加研究指标值的趋势。在丙烯酰胺对肝脏造成毒性损伤的情况下,预防性给予氧甲基尿嘧啶与琥珀酸钠(MG-2)的复合化合物可导致GSTM1基因转录活性的统计学显著降低。结论。本研究结果表明,MG-2药物能够抑制丙烯酰胺暴露大鼠肝脏中GSTM1基因的表达。需要进一步研究以更好地了解丙烯酰胺诱导毒性的分子机制,并开发新的治疗方法来治疗肝脏病理。
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引用次数: 0
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Experimental and Clinical Gastroenterology
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