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Assessing index of accumulated cytogenetic disorders in workers employed in metallurgy under exposure to adverse occupaitonal factors 冶金行业不良职业因素暴露下工人累积细胞遗传疾病评价指标
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.11.eng
N. Vlasova, L. Masyagutova, E. R. Abdrakhmanova, L. A. Rafikova, G. M. Chudnovets
Metallurgy is a major economic branch in Russia with more than 4000 enterprises operating in it and seventy percent of them being city-forming ones. This study focuses on cytological assessment of the oral mucosa and secretion from the middle meatus mucosa in workers employed in metallurgy. The aim of this study was to investigate cytological laboratory indicators in workers employed in metallurgy under exposure to adverse occupational factors. A clinical and diagnostic examination of workers employed at a metallurgical plant in Bashkortostan was performed in 2019–2020; it involved cytological studies of the oral mucosa (buccal epithelium) and the middle meatus mucosa (rhinocytogram). In this study, we applied the Index of cytogenetic disorders accumulation (Iac) that allows for cellular kinetics indicators. The overall hygienic assessment of working conditions for workers employed at the analyzed metallurgic plant corresponds to the hazard category 3.2–3.3 in accordance with the criteria outlined in the Guide R (harmful, class 2 or 3). The research results revealed cytogenetic disorders of buccal epithelial cells in the workers who had contacts with adverse occupational factors. Low likelihood of cytogenetic disorders was established for 66.67 % of the workers; moderate, 9.2 %; high, 23.81 %. We assessed rhinocytograms of the workers exposed to adverse occupational factors and revealed some signs of allergic inflammation characterized with high eosinophil count. The research results confirm high significance of diagnostic procedures for developing an algorithm for screening examinations of working population as well as indicators of health disorders under exposure to adverse occupational factors (noise, heating microclimate, industrial dust, gaseous chemicals).
冶金是俄罗斯的主要经济部门,有4000多家企业在经营,其中70%是城市企业。本研究主要对冶金工人口腔黏膜及中口黏膜分泌物进行细胞学评估。本研究的目的是调查冶金工人在不良职业因素暴露下的细胞学实验室指标。2019-2020年对巴什科尔托斯坦一家冶金厂的工人进行了临床和诊断检查;它涉及口腔黏膜(颊上皮)和中道粘膜(鼻细胞图)的细胞学研究。在这项研究中,我们应用了细胞遗传疾病积累指数(Iac),允许细胞动力学指标。根据指南R中概述的标准(有害,2级或3级),对所分析的冶金厂工人工作条件的总体卫生评估对应于危害类别3.2-3.3。研究结果显示,接触不利职业因素的工人口腔上皮细胞存在细胞遗传学疾病。66.67%的工人患细胞遗传学疾病的可能性较低;中等,9.2%;最高,23.81%。我们评估了暴露于不良职业因素的工人的鼻细胞图,发现了一些以嗜酸性粒细胞计数高为特征的过敏性炎症迹象。研究结果证实,诊断程序对于制定工作人口筛查检查算法以及暴露于不利职业因素(噪音、加热小气候、工业粉尘、气体化学品)下的健康障碍指标具有重要意义。
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引用次数: 0
Assessing risks of functional disorders of hepatobiliary system in workers employed at butyl rubber production allowing for analysis of the ogg1 gene polymorphic variant rs1052133 利用ogg1基因多态性变体rs1052133分析丁基橡胶生产工人肝胆系统功能紊乱的风险
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.17
E. R. Kudoyarov, D. Karimov, A. Bakirov, G. F. Mukhammadieva, L. K. Karimova, R. Galimova
Contemporary petrochemical productions maintain strict control over contents of adverse chemicals in workplace air. Despite that, the chemical factor remains one of the major harmful occupational factors and can produce adverse effects on workers’ health by increasing, among other things, risks of general somatic diseases. Given that, prevention of chronic non-communicable diseases in workers employed at chemical productions remains a vital challenge for occupational medicine. A way to tackle it is to timely detect risk groups relying on, among other things, analysis of workers’ genetic peculiarities. This article presents a study with 140 volunteers participating in it; they had basic occupations required at contemporary butyl rubber production. It was conducted within a periodical medical examination that involved using up-to-date hygienic, clinical-laboratory and genetic methods. The study included hygienic assessment of the chemical factor at the analyzed production, examination of hematologic and biochemical blood indicators, identification of workers’ genetic status as per the rs1052133 polymorphic variant of the OGG1 gene and the severity of DNA breaks. The study revealed adverse effects produced by the chemical factors on health of workers with basic occupations based on deviations in biochemical blood indicators obtained by tests that included indicator enzyme identification, and DNA damage. Following the study results, a risk group was created as per the state of the hepatobiliary system. To preserve workers’ health, it is necessary to implement certain preventive measures that include providing safe working conditions as regards the chemical factor, timely detection of risk groups and rehabilitation activities.
现代石化生产对工作场所空气中有害化学物质的含量保持严格控制。尽管如此,化学因素仍然是主要的有害职业因素之一,除其他外,还会增加患一般身体疾病的风险,从而对工人的健康产生不利影响。有鉴于此,预防化工生产工人的慢性非传染性疾病仍然是职业医学面临的重大挑战。解决这一问题的一种方法是,除其他外,通过对工人基因特征的分析,及时发现风险群体。本文介绍了一项有140名志愿者参与的研究;他们拥有现代丁基橡胶生产所需的基本职业。它是在定期医学检查中进行的,包括使用最新的卫生、临床实验室和遗传学方法。该研究包括分析生产中化学因素的卫生评估、血液学和生化血液指标的检查、根据OGG1基因的rs1052133多态性变体鉴定工人的遗传状况以及DNA断裂的严重程度。这项研究揭示了化学因素对从事基本职业的工人健康产生的不利影响,这是基于指标酶鉴定和DNA损伤等测试获得的血液生化指标的偏差。根据研究结果,根据肝胆系统的状态建立了一个风险组。为了保护工人的健康,有必要实施某些预防措施,包括为化学因素提供安全的工作条件、及时发现风险群体和开展康复活动。
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引用次数: 0
Scientific substantiation of priority chemicals, objects for setting quotas and trends in mitigating airborne public health risks within activities per-formed by the sanitary service of the Russian Federation 在俄罗斯联邦卫生部门制定的活动范围内,科学证明优先化学品、设定配额的对象和减少空气传播公共健康风险的趋势
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.01
N. Zaitseva, I. May, D. Kiryanov, D. V. Goryaev
The study was conducted due to the necessity to streamline management of ambient air quality in large industrial cities in the country. The relevant tasks were set within the ‘Clean Air’ Federal project and the system for setting emission quotas. The aim was to develop scientific-methodical approaches that would support Rospotrebnadzor in performing its functions and duties as regards management of ambient air quality, including those accomplished within the ‘Clean Air’ Federal project. We took into account that initial data for the whole system for setting emission quotas were represented by aggregated calculation of pollutant dispersion. The study relied on input and output data provided by the ‘Ekolog-Gorod’ software package for calculating ambient air pollution. This software employs methods for calculating emission diffusion in ambient air that are applied as standards in Russia. Calculations were accomplished at points located within residential areas in the analyzed cities and covered not less than 20 major contributions made by emission sources to levels of each chemical at each calculation point. Airborne health risks were assessed in accordance with the valid methodical documents. We applied the following criteria for permissible (acceptable) risks: carcinogenic ones should not exceed 1.0•10-4; non-carcinogenic chronic and / or acute risks should be at a level of a hazard index for chemicals with the same effects equal to 3.0. The brunch and bound method of linear programming was applied to substantiate optimal regulatory impacts aimed at minimizing health risks by reducing emissions into ambient air. We developed a fundamental algorithm for identifying a list of priority pollutants and a list of objects for setting emission quotas, as well as for substantiating optimal regulatory impacts to mitigate airborne public health risks. We suggest ranking chemicals as priority pollutants in case their registered levels are higher than the established hygienic standards and they in total account for not less 95 % of contributions to unacceptable health risks for critical organs and systems at least at one calculation point. Priority objects are those that are responsible for not less than 95 % of unacceptable health risks and violations of the established hygienic standards. The study describes a developed and tested instrument for selecting optimal regulatory impacts as per relevant hygienic indicators, including levels of public health risks. The suggested approaches support the Sanitary Service in its effort to provide proper quality of ambient air. They make it possible to identify priority chemicals and objects for setting emission quotas on the unified methodical basis for any city on the country, including those listed within the ‘Clear Air’ Federal project as priority ones. They also allow estimating whether environmental protection activities are relevant to the essence and levels of public health risks.
这项研究是由于有必要简化国内大型工业城市的环境空气质量管理而进行的。相关任务是在“清洁空气”联邦项目和设定排放配额的系统中确定的。其目的是制定科学的方法,以支持Rospotrebnadzor履行其在环境空气质量管理方面的职能和职责,包括在“清洁空气”联邦项目中完成的工作。我们考虑到设定排放配额的整个系统的初始数据是用污染物扩散的汇总计算来表示的。这项研究依赖于“eologic - gorod”软件包提供的输入和输出数据,用于计算环境空气污染。该软件采用的方法计算排放扩散在环境空气中,适用于俄罗斯的标准。计算是在所分析的城市的居民区内的点完成的,每个计算点包括不少于20种主要的排放源对每种化学物质水平的贡献。根据有效的系统文件对空气传播的健康风险进行了评估。我们对允许(可接受)风险采用以下标准:致癌风险不应超过1.0•10-4;对于具有相同作用的化学品,非致癌慢性和/或急性风险应处于等于3.0的危害指数水平。采用线性规划的早午餐和边界方法来确定最佳监管影响,旨在通过减少向环境空气中的排放来最大限度地降低健康风险。我们开发了一种基本算法,用于确定优先污染物清单和设定排放配额的目标清单,以及确定减轻空气传播公共健康风险的最佳监管影响。如果化学物质的登记水平高于既定的卫生标准,并且至少在一个计算点上,它们对关键器官和系统的不可接受健康风险的贡献不少于95%,我们建议将其列为优先污染物。优先对象是那些对不少于95%的不可接受的健康风险和违反既定卫生标准负责的对象。该研究描述了一种开发和测试的工具,用于根据相关卫生指标(包括公共卫生风险水平)选择最佳监管影响。建议的方法支持卫生服务部门努力提供适当质量的环境空气。它们使确定优先化学品和目标成为可能,以便在统一的系统基础上为全国任何城市设定排放配额,包括那些被列入“清洁空气”联邦项目的优先目标。它们还允许估计环境保护活动是否与公共健康风险的本质和水平相关。
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引用次数: 1
Life expectancy at birth in RF regions with diriment sanitary-epidemiological wellbeing and different lifestyles.management reserves 卫生-流行病学状况不佳和生活方式不同的RF地区出生时预期寿命。管理储备
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.02
S. Kleyn, G.G. Onishchenkо, N. Zaitseva, М.V. Glukhikh
The article focuses on estimating reserves of growth in life expectancy at birth (LEB) for the RF population in regions with different sanitary-epidemiological wellbeing and people’s lifestyles. The existing trends in the country development within the regional context corroborate relevance of the present study. The methodical approach includes use of factor and cluster analysis, artificial neuron networks, and scenario forecasting. Activities performed by Rospotrebnadzor within its authority produce positive modifying effects on LEB as an integral health indicator. Differentiated contribution made by these activities to achieving regional target LEB levels by 2024 (COVID-related processes excluded) amounts to 8–62 % as per the group of indicators that describes a sanitary-epidemiological situation on a given territory and 5–45 % as per the group of lifestyle-related indicators. We identified priority factors for each of four types of regions; these factors provide the maximum positive effect on LEB. Working conditions for working population, quality of drinking water, ambient air and nonfoods are priority manageable factors in regions where the sanitary-epidemiological situation is the most unfavorable. Levels of alcohol and food consumption, balanced diets and people’s physical activity are the priority manageable factors in regions with the most unfavorable lifestyle-related indicators. The study revealed that additional LEB growth would be secured if the targets set within national projects were achieved. By 2024, this additional LEB growth would equal 6–420 days and 107–659 days accordingly given the existing trends and regional differentiation as regards improved sanitary-epidemiological situation in regions and people’s lifestyles. Improved working conditions, better quality of drinking water and ambient air are reserves of LEB growth for all types of the RF regions in short and middle-term. A potential reserve of LEB growth and priority determinants were identified for each type of regions. These identified national and regional determinants should be considered when building an optimization model of LEB management allowing for reserves of its growth. The study results develop the authors’ methodical approach to estimating potential LEB growth based on scenario modeling; they are consistent with the results obtained by other relevant studies. We have identified limitations of the present study as well as prospects and trends for future research.
本文的重点是估计具有不同卫生-流行病学福祉和人们生活方式的地区RF人口的出生时预期寿命(LEB)增长储备。区域范围内国家发展的现有趋势证实了本研究的相关性。系统的方法包括使用因子和聚类分析、人工神经元网络和情景预测。Rospotrebnadzor在其职权范围内开展的活动对LEB作为一个整体健康指标产生了积极的调节作用。根据描述特定领土卫生流行病学情况的指标组,这些活动对到2024年实现区域低成本目标水平(不包括与covid相关的进程)的不同贡献为8 - 62%,根据与生活方式相关的指标组,这些活动的贡献为5 - 45%。我们确定了四种类型区域的优先因素;这些因素对LEB的积极影响最大。在卫生流行病学形势最不利的地区,劳动人口的劳动条件、饮用水质量、环境空气质量和非食品质量是优先可控因素。在生活方式相关指标最不利的区域,酒精和食物消费水平、均衡饮食和人们的身体活动是优先可管理的因素。研究表明,如果实现了国家项目内设定的目标,就可以确保额外的低负债增长。考虑到各地区卫生流行病学状况改善和人们生活方式的现有趋势和区域差异,到2024年,这一额外的LEB增长将分别为6-420天和107-659天。在短期和中期,改善工作条件、改善饮用水质量和环境空气是所有类型RF区域LEB增长的储备。每种类型的区域都确定了LEB生长的潜在储备和优先决定因素。在建立允许其增长储备的LEB管理优化模型时,应考虑到这些确定的国家和区域决定因素。研究结果发展了基于情景建模的估算潜在LEB增长的方法;与其他相关研究结果一致。我们已经确定了本研究的局限性以及未来研究的前景和趋势。
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引用次数: 1
К оценке индекса накопления цитогенетических нарушений при воздействии ком-плекса неблагоприятных производственных факторов на организм металлургов 评估复杂生产因素对冶金师有机体影响时细胞遗传学紊乱累积指数
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.11
N. V. Vlasova, L.M. Masyagutova, E.R. Abdrakhmanova, L.A. Rafikova, G.M. Chudnovets
Metallurgy is a major economic branch in Russia with more than 4000 enterprises operating in it and seventy percent of them being city-forming ones. This study focuses on cytological assessment of the oral mucosa and secretion from the middle meatus mucosa in workers employed in metallurgy. The aim of this study was to investigate cytological laboratory indicators in workers employed in metallurgy under exposure to adverse occupational factors. A clinical and diagnostic examination of workers employed at a metallurgical plant in Bashkortostan was performed in 2019–2020; it involved cytological studies of the oral mucosa (buccal epithelium) and the middle meatus mucosa (rhinocytogram). In this study, we applied the Index of cytogenetic disorders accumulation (Iac) that allows for cellular kinetics indicators. The overall hygienic assessment of working conditions for workers employed at the analyzed metallurgic plant corresponds to the hazard category 3.2–3.3 in accordance with the criteria outlined in the Guide R (harmful, class 2 or 3). The research results revealed cytogenetic disorders of buccal epithelial cells in the workers who had contacts with adverse occupational factors. Low likelihood of cytogenetic disorders was established for 66.67 % of the workers; moderate, 9.2 %; high, 23.81 %. We assessed rhinocytograms of the workers exposed to adverse occupational factors and revealed some signs of allergic inflammation characterized with high eosinophil count. The research results confirm high significance of diagnostic procedures for developing an algorithm for screening examinations of working population as well as indicators of health disorders under exposure to adverse occupational factors (noise, heating microclimate, industrial dust, gaseous chemicals).
冶金是俄罗斯的主要经济部门,有4000多家企业在经营,其中70%是城市企业。本研究主要对冶金工人口腔黏膜及中口黏膜分泌物进行细胞学评估。本研究的目的是调查冶金工人在不良职业因素暴露下的细胞学实验室指标。2019-2020年对巴什科尔托斯坦一家冶金厂的工人进行了临床和诊断检查;它涉及口腔黏膜(颊上皮)和中道粘膜(鼻细胞图)的细胞学研究。在这项研究中,我们应用了细胞遗传疾病积累指数(Iac),允许细胞动力学指标。根据指南R中概述的标准(有害,2级或3级),对所分析的冶金厂工人工作条件的总体卫生评估对应于危害类别3.2-3.3。研究结果显示,接触不利职业因素的工人口腔上皮细胞存在细胞遗传学疾病。66.67%的工人患细胞遗传学疾病的可能性较低;中等,9.2%;最高,23.81%。我们评估了暴露于不良职业因素的工人的鼻细胞图,发现了一些以嗜酸性粒细胞计数高为特征的过敏性炎症迹象。研究结果证实,诊断程序对于制定工作人口筛查检查算法以及暴露于不利职业因素(噪音、加热小气候、工业粉尘、气体化学品)下的健康障碍指标具有重要意义。
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引用次数: 0
Mycotoxin contamination of fresh berries and fruits marketed in the central region of Russia 俄罗斯中部地区销售的新鲜浆果和水果受到真菌毒素污染
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.08
I. Sedova, Z. Chalyy, N. R. Efimochkina, I. Sokolov, V. Koltsov, T. V. Zhidekhina, S. A. Sheveleva, V. Tutelyan
New emerging strains of toxigenic molds in agricultural areas and insufficient data on levels of their toxic metabolites occurring in domestic horticultural fruits and berries require risk assessment of MT contamination for this plant group of mass consumer products. This study concentrated on samples of fresh fruits and berries sold on the consumer market (185 samples, including 127 intact and 58 with signs of deformation and molding). We applied our own developed technique for quantification of mycotoxins based on HPLC-MS/MS. In this study, we were the first in the RF to examine contamination of garden strawberries, raspberries, currants, huck-leberries, blueberries, gooseberries, dogwood, plums, blackthorn, apples, pears) with 27 MT including poorly studied emergent MT (EMT), produced by Aspergillus, Penicillium, Fusarium and Alternaria. Strawberries, gooseberries, black currants and raspberries turned out to be the most contaminated with MT; red currants, apples and pears were less contaminated. The greatest variety of MT and EMT species was found in strawberries (23 MT), gooseberries (8 MT), black currants (7 MT) and raspberries (6 MT). Among the regulated MT, fumonisins B1 and B2, deoxynivalenol, zearalenone, T-2 toxin, ochratoxin A and aflatoxin B1 were detected in intact strawberries; patulin, in raspberries; deoxynivalenol and zearalenone, in black currant. As for damaged and moldy berries and fruits, the list of detectable toxins was expanded, primarily due to the detection of several types of unregulated EMTs. EMT tenuazonic acid was mainly detected in moldy berries; its levels increased manifold in almost all species, except for strawberries in which penicillic acid prevailed. These new data on MT contamination in fruits and berries indicate the necessity to perform in-depth hygienic assessment of such products sold on the Russian market to identify MT, EMT and their producers. The obtained results will be used to identify hazards at the first stage in risk assessment with its focus on MT and EMT contamination of fresh fruits and berries.
农业地区新出现的产毒霉菌菌株以及国内园艺水果和浆果中有毒代谢物水平的数据不足,需要对这一植物组的大众消费产品进行MT污染风险评估。本研究集中在消费者市场上销售的新鲜水果和浆果样本(185个样本,其中127个完整,58个有变形和成型的迹象)。我们采用自己开发的基于HPLC-MS/MS的真菌毒素定量技术。在这项研究中,我们是RF中第一个检测花园草莓,覆盆子,醋栗,黑莓,蓝莓,醋栗,山茱萸,李子,黑刺木,苹果,梨)污染的27 MT,包括研究较少的紧急MT (EMT),由曲霉,青霉菌,镰刀菌和Alternaria产生。草莓、醋栗、黑加仑子和覆盆子被MT污染最严重;红醋栗、苹果和梨受到的污染较少。MT和EMT品种最多的是草莓(23吨)、醋栗(8吨)、黑加仑(7吨)和覆盆子(6吨)。在受调控的MT中,在完整草莓中检测到伏马毒素B1和B2、脱氧雪腐菌醇、玉米赤霉烯酮、T-2毒素、赭曲霉毒素A和黄曲霉毒素B1;树莓中的展青霉素;脱氧雪腐菌烯醇和玉米赤霉烯酮,在黑加仑。至于受损和发霉的浆果和水果,可检测毒素的清单扩大了,主要是由于检测到几种不受管制的紧急药物。霉变浆果中主要检出EMT替那唑酸;它的水平在几乎所有物种中都增加了多种,除了在草莓中青霉素酸占主导地位。这些关于水果和浆果中MT污染的新数据表明,有必要对俄罗斯市场上销售的此类产品进行深入的卫生评估,以确定MT、EMT及其生产商。获得的结果将用于确定风险评估第一阶段的危害,其重点是新鲜水果和浆果的MT和EMT污染。
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引用次数: 0
Immune status and cytokine spectrum as predictors of the risk of severe disease and performance indicators of intensive therapy in patients with coronavirus infection covid-19 免疫状态和细胞因子谱作为冠状病毒感染新冠肺炎患者重症风险的预测因素和强化治疗的绩效指标
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.14
V.F. Sadykov, R. Poltavtseva, A. Chaplygina, N. Bobkova
The pandemic caused by a new strain of the SARS-CoV-2 coronavirus has swept the whole world but effective methods for treating this severe pathology have not yet been created. It has now been established that a risk of a severe course of COVID-19 is not so much a patient's age itself, but so-called age-related diseases; the renin-angiotensin system (RAS) is directly or indirectly involved into their development. The SARS-CoV-19 virus interacts with one of the main regulatory elements of this system, ACE2, and disrupts the balance between the two RAS branches. This ultimately manifests itself in an increase in levels of angiotensin II, which, through binding to the angiotensin type 1 receptor (AT1R), causes a number of pathological conditions, including hypertension, atherosclerosis, and cardiovascular diseases, enhances cell proliferation, apoptosis, death of vascular endothelial cells, etc. This process has been described in many reviews by Russian and foreign authors. However, cells of innate and adaptive immunity are another less well-described but no less important target of angiotensin II. The consequences of this interaction are analyzed in detail in this review. With COVID-19, dendritic cells are activated, macrophage proliferation and neutrophil infiltration increase with further involvement of CD4-lymphocytes and other cellular elements of the adaptive immunity in this process. Hyperactivation of the immune system is accompanied with the release of a large amount of pro-inflammatory cytokines, which can lead to the occurrence of a cytokine storm. The picture is aggravated by the inhibitory effect produced by the virus itself on the synthesis of signaling interferons at initial stages in its internalization into the cell. A separate section in the review ad-dresses the problem how to predict a risk of a developing serious condition and search for its predictors by analyzing the state of the RAS and ratios of key cellular elements in the immune system. This is extremely important for making decisions concerning the amount of necessary medical care and strategies for subsequent treatment.
由新型冠状病毒SARS-CoV-2引起的大流行席卷全球,但目前还没有找到治疗这种严重病理的有效方法。现在已经确定,COVID-19严重病程的风险与其说是患者的年龄本身,不如说是所谓的年龄相关疾病;肾素-血管紧张素系统(RAS)直接或间接参与了它们的发育。SARS-CoV-19病毒与该系统的一个主要调控元件ACE2相互作用,并破坏两个RAS分支之间的平衡。这最终表现为血管紧张素II水平的升高,血管紧张素II通过与血管紧张素1型受体(AT1R)结合,引起高血压、动脉粥样硬化、心血管疾病等多种病理状况,增强细胞增殖、细胞凋亡、血管内皮细胞死亡等。俄罗斯和外国作者在许多评论中描述了这一过程。然而,先天免疫和适应性免疫细胞是血管紧张素II的另一个不太好描述但同样重要的靶点。这篇综述详细分析了这种相互作用的后果。在COVID-19中,树突状细胞被激活,巨噬细胞增殖和中性粒细胞浸润增加,cd4 -淋巴细胞等适应性免疫细胞因子在此过程中进一步参与。免疫系统的过度激活伴随着大量促炎细胞因子的释放,这可能导致细胞因子风暴的发生。在病毒内化进入细胞的初始阶段,病毒自身对信号干扰素合成的抑制作用使情况更加恶化。这篇综述的一个单独章节讨论了如何通过分析RAS的状态和免疫系统中关键细胞元素的比例来预测发展成严重疾病的风险,并寻找其预测因素。这对于决定必要的医疗护理数量和后续治疗策略极为重要。
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引用次数: 0
On sufficient substantiation for maximum permissible level of zilpaterol in meat products 肉制品中齐帕特罗最大允许含量的充分证明
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.10
S. Zelenkin, P. Shur, D. Kiryanov, V. Chigvintsev, O. Ustinova, V. Fokin, D. V. Suvorov, E. Fedorenko
The Joint FAO/WHO Expert Committee recommends the maximum permissible level of zilpaterol in meat to be fixed at 0.5 µg/kg. This level is substantiated by results of analysis described in several research works. Nevertheless, substantiation provided for this recommended standard requires a detailed discussion. In this study, we aimed to analyze substantiation of FAO/WHO suggestions on the maximum permissible level (MPL) of zilpaterol in meat as per health risks for consumers. Our analysis of research results revealed that the no observed adverse effect level (NOAEL) and the lowest observed adverse effect level (LOAEL) were established allowing for negative effects on various organs and systems in the body. The lowest observed adverse effect level (LOAEL) under acute exposure was taken as a baseline for establishing MPL. This level produces negative effects on the nervous system (developing tremor). However, modifying factors used in MPL development have not been supported with solid argument. We also established that the LOAEL identified for the nervous system under acute exposure was much lower than NOAELs for other organs and systems under chronic exposure. Therefore, the aforementioned research results seem rather controversial. It is necessary to consider another additional factor, which is wide prevalence of cardiovascular diseases among adult population and risk factors that cause their development. Therefore, potential adverse effects on the cardiovascular system are no less important and we should note that they have been reliably detected both in acute and chronic experiments. In this study, we modeled a health risk caused by adverse effects of consuming meat products with residual zilpaterol levels; the risk was modeled in dynamics. The modeling experiment established that an impermissible health risk of adverse health outcomes in the cardiovascular system occurred even under exposure to zilpaterol in levels close to the lowest limit of sensitivity. Consequently, it seems rather premature to accept the maximum permissible level for zilpaterol in meat that is being suggested at present. It is recommended to cut its level down to the lowest limit of detection.
粮农组织/世界卫生组织联合专家委员会建议将肉类中齐帕特罗的最高允许含量固定在0.5微克/公斤。几个研究工作中描述的分析结果证实了这一水平。然而,为本推荐标准提供的证据需要详细讨论。在这项研究中,我们旨在分析粮农组织/世界卫生组织根据消费者健康风险对肉类中齐帕特罗最大允许水平(MPL)的建议的实证性。我们对研究结果的分析表明,考虑到对身体各个器官和系统的负面影响,确定了无观察到的不良反应水平(NOAEL)和最低观察到的副作用水平(LOAEL)。急性暴露条件下观察到的最低不良反应水平(LOAEL)作为建立MPL的基线。这种水平会对神经系统产生负面影响(发展为震颤)。然而,在MPL开发中使用的修改因素并没有得到可靠的论据支持。我们还确定,急性暴露下神经系统的LOAEL远低于慢性暴露下其他器官和系统的NOAEL。因此,上述研究结果似乎颇具争议。有必要考虑另一个额外因素,即成年人群中心血管疾病的广泛流行以及导致其发展的风险因素。因此,对心血管系统的潜在不良影响同样重要,我们应该注意,它们在急性和慢性实验中都得到了可靠的检测。在这项研究中,我们对食用残留齐帕特罗水平的肉制品的不良影响所引起的健康风险进行了建模;风险是在动力学中建模的。建模实验证实,即使在接近最低敏感度的齐帕特罗水平下,心血管系统也会出现不允许的不良健康后果的健康风险。因此,接受目前提出的肉类中齐帕特罗的最高允许水平似乎为时过早。建议将其水平降低到检测的最低限度。
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引用次数: 0
Molecular and genetic aspects of health risks and their association with adverse environmental conditions and diets (systemic review) 健康风险的分子和遗传方面及其与不利环境条件和饮食的关系(系统评价)
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.18
T. V. Mazhaeva
At present, it is vital to examine adverse effects produced on gene expression by negative environmental factors and nutrients. In this study, our aim was to generalize data available in literature on an association between health risks and polymorphisms of genes that participated in xenobiotic detoxification and allergic status, food intolerance included, in adults and children. We also considered influence exerted by various components in diets on gene expression. Available research data indicate that GSTP1 and SOD gene polymorphisms have their effects on a decline in detoxification and antioxidant functions and early development of allergic, occupational and oncological diseases under exposure to harmful chemicals. Micronutrients in diets that can protect from adverse effects produced by chemicals can act not only as substrates but also as detoxification enzyme inducers. Great quantities of biologically active compounds in the Mediterranean diet are assumed to be able to modulate functional activity of certain genes. Such nutrients as polyphenols, flavonoids, catechins, glucosinolates, anthocyanins, stilbenes, carotinoids, polyamines, spermidine and spermine produce anti-genotoxic and anti-carcinogenic effects. Use of combined nutrigenetic and phenotypic data seems a promising trend in effective modeling of a healthy diet. The research data outlined in this review indicate there is solid evidence that health risks can depend on a genotype, phenotype and quality of the environment. These risks also differ depending on a diet. Modeling a healthy diet based on available knowledge on nutritional genetic and nutritional genomics is a promising trend within non-carcinogenic health risk management, including risks of oncological diseases caused by exposure to adverse environmental factors.
目前,研究负面环境因素和营养物质对基因表达的不利影响是至关重要的。在这项研究中,我们的目的是概括文献中关于健康风险与参与外源解毒和过敏状态(包括食物不耐受)的基因多态性之间的关联的数据,在成人和儿童中。我们还考虑了饮食中各种成分对基因表达的影响。现有研究数据表明,GSTP1和SOD基因多态性与接触有害化学物质导致的解毒和抗氧化功能下降以及过敏性、职业性和肿瘤性疾病的早期发展有关。饮食中的微量营养素可以防止化学物质产生的不良影响,它们不仅可以作为底物,而且可以作为解毒酶诱导剂。地中海饮食中大量的生物活性化合物被认为能够调节某些基因的功能活性。多酚类、黄酮类、儿茶素、硫代葡萄糖苷类、花青素类、苯乙烯类、类胡萝卜素类、多胺类、亚精胺类、精胺类等营养物质具有抗基因毒性和抗癌作用。结合营养遗传学和表型数据的使用似乎是健康饮食有效建模的一个有希望的趋势。本综述中概述的研究数据表明,有确凿的证据表明,健康风险可能取决于基因型、表型和环境质量。这些风险也因饮食而异。在非致癌性健康风险管理(包括暴露于不利环境因素引起的肿瘤疾病风险)领域,基于营养遗传和营养基因组学现有知识建立健康饮食模型是一个有希望的趋势。
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引用次数: 3
A conceptual scheme of a predictive-analytical model for describing incidence of west nile fever based on weather and climate estimation (exemplified by the Volgograd region) 基于天气和气候估计描述西尼罗热发病率的预测分析模型的概念方案(以伏尔加格勒地区为例)
Q3 Medicine Pub Date : 2022-12-01 DOI: 10.21668/health.risk/2022.4.12
K. Zhukov, D. Nikitin, D.V. Kovrizhnykh, D. Viktorov, А. Toporkov
The present study focuses on weather and climatic factors influencing the incidence of West Nile fever (WNF) in the Vol-gograd region. We aimed to describe a relationship between these factors and the WNF incidence and to create a conceptual scheme of a predictive-analytical model for making forecasts how an epidemiological situation would develop in future. According to this aim, we selected an approach that involved identifying a statistical correlation between the analyzed factors and the WNF incidence in the Volgograd region and estimating the power of this correlation. The study primarily relied on using correlation analysis that was followed by assessing authenticity of the study results. The obtained data made it possible to establish that air temperature was a leading potentiating factor in the Volgograd region. It produced certain effects that varied in their intensity on a whole set of abiotic and biotic factors (water level and temperature, numbers and activity of carriers, how fast the virus amplifies in carriers, etc.). The study established that use of comprehensive statistical data (average monthly indicators) allowed more precise esti-mation of correlations. We also considered and confirmed a hypothesis about a delayed effect produced by air temperature on population incidence and numbers of West Nile virus carriers in the Volgograd region; it was the most apparent in years with the maximum numbers of infected people (1999, 2010, and 2012). We revealed a statistical correlation between air temperature and average annual water level and the WNF incidence among population and the number of West Nile virus carriers. There was a strong correlation between the number of carriers and the WNF incidence. A conceptual scheme of a predictive model for determining rate of the WHF incidence in Volgograd region was created based on the statistical analysis results.
本研究的重点是影响伏尔加格勒地区西尼罗河热(WNF)发病率的天气和气候因素。我们旨在描述这些因素与WNF发病率之间的关系,并创建一个预测分析模型的概念方案,用于预测未来流行病学情况的发展。根据这一目标,我们选择了一种方法,该方法包括确定伏尔加格勒地区所分析因素与WNF发病率之间的统计相关性,并估计这种相关性的功率。该研究主要依靠相关性分析,然后评估研究结果的真实性。所获得的数据使我们有可能确定空气温度是伏尔加格勒地区的一个主要增强因素。它对一整套非生物和生物因素(水位和温度、携带者的数量和活性、病毒在携带者中扩增的速度等)产生了强度不同的某些影响。该研究表明,使用综合统计数据(月平均指标)可以更精确地估计相关性。我们还考虑并证实了一个假设,即气温对伏尔加格勒地区西尼罗河病毒携带者的人口发病率和数量产生延迟影响;这是感染人数最多的年份(1999年、2010年和2012年)中最明显的。我们揭示了气温、年平均水位、人口中WNF发病率和西尼罗河病毒携带者数量之间的统计相关性。携带者数量与WNF发病率之间有很强的相关性。根据统计分析结果,建立了伏尔加格勒地区WHF发病率预测模型的概念方案。
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引用次数: 0
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Health Risk Analysis
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