Critical Reviews in Toxicology最新文献

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A critical review to identify data gaps and improve risk assessment of bisphenol A alternatives for human health. 一项重要审查,旨在确定数据缺口并改进双酚 A 替代品对人类健康的风险评估。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-22 DOI: 10.1080/10408444.2024.2388712
Sakina Mhaouty-Kodja, Daniel Zalko, Sabrina Tait, Emanuela Testai, Catherine Viguié, Emanuela Corsini, Nathalie Grova, Franca Maria Buratti, Nicolas J Cabaton, Lucia Coppola, Antonio De la Vieja, Maria Dusinska, Naouale El Yamani, Valentina Galbiati, Patricia Iglesias-Hernández, Yvonne Kohl, Ambra Maddalon, Francesca Marcon, Lydie Naulé, Elise Rundén-Pran, Francesca Salani, Nicoletta Santori, Mónica Torres-Ruiz, Jonathan D Turner, Ondrej Adamovsky, Kiara Aiello-Holden, Hubert Dirven, Henriqueta Louro, Maria João Silva
{"title":"A critical review to identify data gaps and improve risk assessment of bisphenol A alternatives for human health.","authors":"Sakina Mhaouty-Kodja, Daniel Zalko, Sabrina Tait, Emanuela Testai, Catherine Viguié, Emanuela Corsini, Nathalie Grova, Franca Maria Buratti, Nicolas J Cabaton, Lucia Coppola, Antonio De la Vieja, Maria Dusinska, Naouale El Yamani, Valentina Galbiati, Patricia Iglesias-Hernández, Yvonne Kohl, Ambra Maddalon, Francesca Marcon, Lydie Naulé, Elise Rundén-Pran, Francesca Salani, Nicoletta Santori, Mónica Torres-Ruiz, Jonathan D Turner, Ondrej Adamovsky, Kiara Aiello-Holden, Hubert Dirven, Henriqueta Louro, Maria João Silva","doi":"10.1080/10408444.2024.2388712","DOIUrl":"10.1080/10408444.2024.2388712","url":null,"abstract":"<p><p>Bisphenol A (BPA), a synthetic chemical widely used in the production of polycarbonate plastic and epoxy resins, has been associated with a variety of adverse effects in humans including metabolic, immunological, reproductive, and neurodevelopmental effects, raising concern about its health impact. In the EU, it has been classified as toxic to reproduction and as an endocrine disruptor and was thus included in the candidate list of substances of very high concern (SVHC). On this basis, its use has been banned or restricted in some products. As a consequence, industries turned to bisphenol alternatives, such as bisphenol S (BPS) and bisphenol F (BPF), which are now found in various consumer products, as well as in human matrices at a global scale. However, due to their toxicity, these two bisphenols are in the process of being regulated. Other BPA alternatives, whose potential toxicity remains largely unknown due to a knowledge gap, have also started to be used in manufacturing processes. The gradual restriction of the use of BPA underscores the importance of understanding the potential risks associated with its alternatives to avoid regrettable substitutions. This review aims to summarize the current knowledge on the potential hazards related to BPA alternatives prioritized by European Regulatory Agencies based on their regulatory relevance and selected to be studied under the European Partnership for the Assessment of Risks from Chemicals (PARC): BPE, BPAP, BPP, BPZ, BPS-MAE, and TCBPA. The focus is on data related to toxicokinetic, endocrine disruption, immunotoxicity, developmental neurotoxicity, and genotoxicity/carcinogenicity, which were considered the most relevant endpoints to assess the hazard related to those substances. The goal here is to identify the data gaps in BPA alternatives toxicology and hence formulate the future directions that will be taken in the frame of the PARC project, which seeks also to enhance chemical risk assessment methodologies using new approach methodologies (NAMs).</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of epidemiological and toxicological studies on health effects from ingestion of asbestos in drinking water. 关于摄入饮用水中石棉对健康影响的流行病学和毒理学研究综述。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-22 DOI: 10.1080/10408444.2024.2399840
Jennifer Go, Nawal Farhat, Karen Leingartner, Elvin Iscan Insel, Franco Momoli, Richard Carrier, Daniel Krewski
{"title":"Review of epidemiological and toxicological studies on health effects from ingestion of asbestos in drinking water.","authors":"Jennifer Go, Nawal Farhat, Karen Leingartner, Elvin Iscan Insel, Franco Momoli, Richard Carrier, Daniel Krewski","doi":"10.1080/10408444.2024.2399840","DOIUrl":"10.1080/10408444.2024.2399840","url":null,"abstract":"<p><p>Asbestos is a group of naturally occurring fibrous minerals that were commonly used in the construction of cement pipes for drinking water distribution systems. These pipes deteriorate and can release asbestos fibers into drinking water, raising concerns about potential risk to human health. The objective of this work was to synthesize human, animal, and <i>in vitro</i> evidence on potential health risks due to ingested asbestos in drinking water and evaluate the weight of evidence (WoE) of human health risk. A systematic review of epidemiological evidence was conducted, along with critical review of animal and <i>in vitro</i> evidence, followed by WoE evaluation that integrated human, animal, and <i>in vitro</i> evidence. The systematic review included 17 human studies with health outcomes mostly related to various cancer sites, with the majority focusing on the gastrointestinal system. The WoE evaluation resulted in very low levels of confidence or insufficient evidence of a health effect for cancers in 15 organ systems and for three non-cancer endpoints. While eight studies reported possible associations with stomach cancer in males, few high-quality studies were available to verify a causal relationship. Based on high-quality animal studies, an increased risk for cancer or non-cancer endpoints was not supported, aligning with findings from human studies. Overall, the currently available body of evidence is insufficient to establish a clear link between asbestos contamination in drinking water and adverse health effects. Due to the lack of both high-quality epidemiological studies and a validated kinetic model for ingested asbestos, additional research on this association is warranted.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Objective causal predictions from observational data. 从观测数据中得出客观的因果预测。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-15 DOI: 10.1080/10408444.2024.2399856
Louis Anthony Cox
{"title":"Objective causal predictions from observational data.","authors":"Louis Anthony Cox","doi":"10.1080/10408444.2024.2399856","DOIUrl":"https://doi.org/10.1080/10408444.2024.2399856","url":null,"abstract":"<p><p>Many recent articles in public health risk assessment have stated that causal conclusions drawn from observational data must rely on inherently untestable assumptions. They claim that such assumptions ultimately can only be evaluated by informed human judgments. We call this the <i>subjective approach</i> to causal interpretation of observational results. Its theoretical and conceptual foundation is a potential outcomes model of causation in which counterfactual outcomes cannot be observed. It risks depriving decision-makers and the public of the key benefits of traditional objective science, which invites scrutiny and independent verification through testable causal models and interventional hypotheses. We introduce an alternative <i>objective approach</i> to causal analysis of exposure-response relationships in observational data. This is designed to be more objective in the specific sense that it is independently verifiable (or refutable) and data-driven, requiring no inherently untestable assumptions. This approach uses empirically testable interventional causal models, specifically causal Bayesian networks (CBNs), instead of untestable potential outcomes models. It enables empirical validation of causal claims through Invariant Causal Prediction (ICP) tests across multiple studies. We explain how to use CBNs and individual conditional expectation (ICE) plots to quantify the effects on health risks of changing exposures while taking into account realistic complexities such as imperfectly controlled confounding, missing data, and measurement error. By ensuring that all causal assumptions are explicit and empirically testable, our framework may help to improve the reliability and transparency of causal inferences in health risk assessments.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular similarity in chemical informatics and predictive toxicity modeling: from quantitative read-across (q-RA) to quantitative read-across structure-activity relationship (q-RASAR) with the application of machine learning. 化学信息学和毒性预测模型中的分子相似性:从定量交叉阅读(q-RA)到应用机器学习的定量交叉阅读结构-活性关系(q-RASAR)。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-01 Epub Date: 2024-09-03 DOI: 10.1080/10408444.2024.2386260
Arkaprava Banerjee, Supratik Kar, Kunal Roy, Grace Patlewicz, Nathaniel Charest, Emilio Benfenati, Mark T D Cronin
{"title":"Molecular similarity in chemical informatics and predictive toxicity modeling: from quantitative read-across (q-RA) to quantitative read-across structure-activity relationship (q-RASAR) with the application of machine learning.","authors":"Arkaprava Banerjee, Supratik Kar, Kunal Roy, Grace Patlewicz, Nathaniel Charest, Emilio Benfenati, Mark T D Cronin","doi":"10.1080/10408444.2024.2386260","DOIUrl":"10.1080/10408444.2024.2386260","url":null,"abstract":"<p><p>This article aims to provide a comprehensive critical, yet readable, review of general interest to the chemistry community on molecular similarity as applied to chemical informatics and predictive modeling with a special focus on read-across (RA) and read-across structure-activity relationships (RASAR). Molecular similarity-based computational tools, such as quantitative structure-activity relationships (QSARs) and RA, are routinely used to fill the data gaps for a wide range of properties including toxicity endpoints for regulatory purposes. This review will explore the background of RA starting from how structural information has been used through to how other similarity contexts such as physicochemical, absorption, distribution, metabolism, and elimination (ADME) properties, and biological aspects are being characterized. More recent developments of RA's integration with QSAR have resulted in the emergence of novel models such as ToxRead, generalized read-across (GenRA), and quantitative RASAR (q-RASAR). Conventional QSAR techniques have been excluded from this review except where necessary for context.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mode of action of dieldrin-induced liver tumors: application to human risk assessment. 狄氏剂诱发肝脏肿瘤的作用模式:应用于人类风险评估。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-01 Epub Date: 2024-07-30 DOI: 10.1080/10408444.2024.2377208
James E Klaunig, Samuel M Cohen
{"title":"Mode of action of dieldrin-induced liver tumors: application to human risk assessment.","authors":"James E Klaunig, Samuel M Cohen","doi":"10.1080/10408444.2024.2377208","DOIUrl":"10.1080/10408444.2024.2377208","url":null,"abstract":"<p><p>Dieldrin is an organochlorine insecticide that was widely used until 1970 when its use was banned because of its liver carcinogenicity in mice. Several long-term rodent bioassays have reported dieldrin to induce liver tumors in in several strains of mice, but not in rats. This article reviews the available information on dieldrin liver effects and performs an analysis of mode of action (MOA) and human relevance of these liver findings. Scientific evidence strongly supports a MOA based on CAR activation, leading to alterations in gene expression, which result in increased hepatocellular proliferation, clonal expansion leading to altered hepatic foci, and ultimately the formation of hepatocellular adenomas and carcinomas. Associative events include increased liver weight, centrilobular hypertrophy, increased expression of Cyp2b10 and its resulting increased enzymatic activity. Other associative events include alterations of intercellular gap junction communication and oxidative stress. Alternative MOAs are evaluated and shown not to be related to dieldrin administration. Weight of evidence shows that dieldrin is not DNA reactive, it is not mutagenic, and it is not genotoxic in general. Furthermore, activation of other pertinent nuclear receptors, including PXR, PPARα, AhR, and estrogen are not related to dieldrin-induced liver tumors nor is there liver cytotoxicity. In previous studies, rats, dogs, and non-human primates did not show increased cell proliferation or production of pre-neoplastic or neoplastic lesions following dieldrin treatment. Thus, the evidence strongly indicates that dieldrin-induced mouse liver tumors are due to CAR activation and are specific to the mouse, which are qualitatively not relevant to human hepatocarcinogenesis. Thus, there is no carcinogenic risk to humans. This conclusion is also supported by a lack of positive epidemiologic findings for evidence of liver carcinogenicity. Based on current understanding of the mode of action of dieldrin-induced liver tumors in mice, the appropriate conclusion is that dieldrin is a mouse specific liver carcinogen and it does not pose a cancer risk to humans.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141792182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of rat and rabbit embryofetal development studies with pharmaceuticals: the added value of a second species. 大鼠和兔子胚胎胎儿发育研究与药物的评估:第二物种的附加值。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-01 Epub Date: 2024-08-02 DOI: 10.1080/10408444.2024.2374281
Puck Roos, Caroline Anggasta, Aldert H Piersma, Peter J K van Meer, Peter T Theunissen
{"title":"Evaluation of rat and rabbit embryofetal development studies with pharmaceuticals: the added value of a second species.","authors":"Puck Roos, Caroline Anggasta, Aldert H Piersma, Peter J K van Meer, Peter T Theunissen","doi":"10.1080/10408444.2024.2374281","DOIUrl":"10.1080/10408444.2024.2374281","url":null,"abstract":"<p><p>Embryofetal development (EFD) studies are performed to characterize risk of drugs in pregnant women and on embryofetal development. In line with the ICH S5(R3) guideline, these studies are generally conducted in one rodent and one non-rodent species, commonly rats and rabbits. However, the added value of conducting EFD studies in two species to risk assessment is debatable. In this study, rat and rabbit EFD studies were evaluated to analyze the added value of a second species. Information on rat and rabbit EFD studies conducted for human pharmaceuticals submitted for marketing authorization to the European Medicines Agency between 2004 and 2022 was collected from the database of the Dutch Medicines Evaluation Board, along with EFD studies conducted for known human teratogens. In total, 369 compounds were included in the database. For 55.6% of the compounds similar effects were observed in rat and rabbit EFD studies. Discordance was observed for 44.6% of compounds. Discordance could often be explained based on occurrence of maternal toxicity or the compound's mechanism of action. For other compounds, discordance was considered of limited clinical relevance due to high exposure margins or less concerning EFD toxicity. For 6.2%, discordance could not be explained and was considered clinically relevant. Furthermore, for specific therapeutic classes, concordance between rat and rabbit could vary. In conclusion, in many cases the added value of conducting EFD studies in two species is limited. These data could help identify scenarios in which (additional) EFD studies could be waived or create a weight-of-evidence model to determine the need for (additional) EFD studies.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141874433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A systematic review of herbicide safener toxicity. 除草剂安全剂毒性的系统性审查。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-10-01 DOI: 10.1080/10408444.2024.2391431
Derek Simonsen, Vanessa Livania, David M Cwiertny, Riley J Samuelson, John D Sivey, Hans-Joachim Lehmler
{"title":"A systematic review of herbicide safener toxicity.","authors":"Derek Simonsen, Vanessa Livania, David M Cwiertny, Riley J Samuelson, John D Sivey, Hans-Joachim Lehmler","doi":"10.1080/10408444.2024.2391431","DOIUrl":"https://doi.org/10.1080/10408444.2024.2391431","url":null,"abstract":"<p><p>Herbicide safeners are agrochemicals added to herbicide formulations to protect crops from herbicide damage without reducing the effectiveness of the herbicide against weeds. While safeners are typically structurally similar to their co-formulated herbicides, they are classified as \"inert\" in the United States, meaning they are not held to the same regulatory standards as the herbicides. This review systematically examines the toxicity of safeners, which is important given their large-scale global use and potential for exposure to wildlife, livestock, and humans. A systematic review of peer-reviewed literature identified only seven studies examining safener toxicity. Regulatory toxicity data, compiled from the European Chemicals Agency (ECHA) database, included data for 9 of the 18 commercial safeners. Most safeners have low acute ecotoxicity and mammalian toxicity; however, chronic effects and the underlying mechanism are less clear. Benoxacor showed enantioselective metabolism and depletion by drug-metabolizing enzymes. In conclusion, despite the widespread use of safeners, significant knowledge gaps exist regarding their toxicity. More research is needed to fully characterize the potential risks of safeners to human health and the environment. Regulatory agencies should consider reclassifying safeners as active ingredients to ensure adequate toxicity testing and risk assessment.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Benzene metabolism and health risk evaluation: insights gained from biomonitoring. 苯代谢与健康风险评估:从生物监测中获得的启示。
IF 5.9 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-09-17 DOI: 10.1080/10408444.2024.2379896
Sean M Hays,Christopher R Kirman,Louis Anthony Cox,Satinder S Sarang
{"title":"Benzene metabolism and health risk evaluation: insights gained from biomonitoring.","authors":"Sean M Hays,Christopher R Kirman,Louis Anthony Cox,Satinder S Sarang","doi":"10.1080/10408444.2024.2379896","DOIUrl":"https://doi.org/10.1080/10408444.2024.2379896","url":null,"abstract":"Metabolic conversion of benzene (Bz) is thought to be required for the hematotoxic effects observed following Bz exposures. Most safe exposure limits set for Bz utilize epidemiology data on the hematotoxic effects of Bz for the dose-response assessments. These hematotoxic effects occurred among workers exposed to elevated Bz levels, thus dose extrapolation is required for assessing relevant risks for populations exposed orders of magnitude lower. Thus, understanding how Bz is metabolized over a wide range of air Bz levels is an important topic for risk assessments for Bz. Here, we analyze biomonitoring data for workers exposed to Bz to make evaluations of how the metabolism of Bz varies across a wide range of exposures. Our analysis indicates that the presence of metabolites derived from exposures to sources other than Bz (nonspecific metabolites of Bz) are significant confounders among biomonitoring studies and this precludes making any assessments of how Bz metabolism differs below approximately 3 ppm air Bz exposures using such nonspecific metabolites.","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.9,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthetic vitreous fibers (SVFs): adverse outcome pathways (AOPs) and considerations for next generation new approach methods (NAMs). 合成玻璃体纤维 (SVF):不良后果途径 (AOP) 和下一代新方法 (NAM) 的考虑因素。
IF 5.9 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-09-17 DOI: 10.1080/10408444.2024.2390020
Amy K Madl,Melinda T Donnell,Lindsey T Covell
{"title":"Synthetic vitreous fibers (SVFs): adverse outcome pathways (AOPs) and considerations for next generation new approach methods (NAMs).","authors":"Amy K Madl,Melinda T Donnell,Lindsey T Covell","doi":"10.1080/10408444.2024.2390020","DOIUrl":"https://doi.org/10.1080/10408444.2024.2390020","url":null,"abstract":"Fiber dimension, durability/dissolution, and biopersistence are critical factors for the risk of fibrogenesis and carcinogenesis. In the modern era, to reduce, refine, and replace animals in toxicology research, the application of in vitro test methods is paramount for hazard evaluation and designing synthetic vitreous fibers (SVFs) for safe use. The objectives of this review are to: (1) summarize the international frameworks and acceptability criteria for implementation of new approach methods (NAMs), (2) evaluate the adverse outcome pathways (AOPs), key events (KEs), and key event relationships (KERs) for fiber-induced fibrogenesis and carcinogenesis in accordance with Organization for Economic Co-operation and Development (OECD) guidelines, (3) consider existing and emerging technologies for in silico and in vitro toxicity testing for the respiratory system and the ability to predict effects in vivo, (4) outline a recommended testing strategy for evaluating the hazard and safety of novel SVFs, and (5) reflect on methods needs for in vitro in vivo correlation (IVIVC) and predictive approaches for safety assessment of new SVFs. AOP frameworks following the conceptual model of the OECD were developed through an evaluation of available molecular and cellular initiating events, which lead to KEs and KERs in the development of fiber-induced fibrogenesis and carcinogenesis. AOP framework development included consideration of fiber physicochemical properties, respiratory deposition and clearance patterns, biosolubility, and biopersistence, as well as cellular, organ, and organism responses. Available data support that fiber AOPs begin with fiber physicochemical characteristics which influence fiber exposure and biosolubility and subsequent key initiating events are dependent on fiber biopersistence and reactivity. Key cellular events of pathogenic fibers include oxidative stress, chronic inflammation, and epithelial/fibroblast proliferation and differentiation, which ultimately lead to hyperplasia, metaplasia, and fibrosis/tumor formation. Available in vitro models (e.g. single-, multi-cellular, organ system) provide promising NAMs tools to evaluate these intermediate KEs. However, data on SVFs demonstrate that in vitro biosolubility is a reasonable predictor for downstream events of in vivo biopersistence and biological effects. In vitro SVF fiber dissolution rates &gt;100 ng/cm2/hr (glass fibers in pH 7 and stone fibers in pH 4.5) and in vivo SVF fiber clearance half-life less than 40 or 50 days were not associated with fibrosis or tumors in animals. Long (fiber lengths &gt;20 µm) biodurable and biopersistent fibers exceeding these fiber dissolution and clearance thresholds may pose a risk of fibrosis and cancer. In vitro fiber dissolution assays provide a promising avenue and potentially powerful tool to predict in vivo SVF fiber biopersistence, hazard, and health risk. NAMs for fibers (including SVFs) may involve a multi-factor in vitro approach leverag","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.9,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dietary glycation compounds - implications for human health. 膳食糖化化合物--对人类健康的影响。
IF 5.7 2区 医学
Critical Reviews in Toxicology Pub Date : 2024-09-01 Epub Date: 2024-08-16 DOI: 10.1080/10408444.2024.2362985
Michael Hellwig, Patrick Diel, Gerhard Eisenbrand, Tilman Grune, Sabine Guth, Thomas Henle, Hans-Ulrich Humpf, Hans-Georg Joost, Doris Marko, Jana Raupbach, Angelika Roth, Stefan Vieths, Angela Mally
{"title":"Dietary glycation compounds - implications for human health.","authors":"Michael Hellwig, Patrick Diel, Gerhard Eisenbrand, Tilman Grune, Sabine Guth, Thomas Henle, Hans-Ulrich Humpf, Hans-Georg Joost, Doris Marko, Jana Raupbach, Angelika Roth, Stefan Vieths, Angela Mally","doi":"10.1080/10408444.2024.2362985","DOIUrl":"10.1080/10408444.2024.2362985","url":null,"abstract":"<p><p>The term \"glycation compounds\" comprises a wide range of structurally diverse compounds that are formed endogenously and in food <i>via</i> the Maillard reaction, a chemical reaction between reducing sugars and amino acids. Glycation compounds produced endogenously are considered to contribute to a range of diseases. This has led to the hypothesis that glycation compounds present in food may also cause adverse effects and thus pose a nutritional risk to human health. In this work, the Senate Commission on Food Safety (SKLM) of the German Research Foundation (DFG) summarized data on formation, occurrence, exposure and toxicity of glycation compounds (Part A) and systematically assessed potential associations between dietary intake of defined glycation compounds and disease, including allergy, diabetes, cardiovascular and renal disease, gut/gastrotoxicity, brain/cognitive impairment and cancer (Part B). A systematic search in Pubmed (Medline), Scopus and Web of Science using a combination of keywords defining individual glycation compounds and relevant disease patterns linked to the subject area of food, nutrition and diet retrieved 253 original publications relevant to the research question. Of these, only 192 were found to comply with previously defined quality criteria and were thus considered suitable to assess potential health risks of dietary glycation compounds. For each adverse health effect considered in this assessment, however, only limited numbers of human, animal and <i>in vitro</i> studies were identified. While studies in humans were often limited due to small cohort size, short study duration, and confounders, experimental studies in animals that allow for controlled exposure to individual glycation compounds provided some evidence for impaired glucose tolerance, insulin resistance, cardiovascular effects and renal injury in response to oral exposure to dicarbonyl compounds, albeit at dose levels by far exceeding estimated human exposures. The overall database was generally inconsistent or inconclusive. Based on this systematic review, the SKLM concludes that there is at present no convincing evidence for a causal association between dietary intake of glycation compounds and adverse health effects.</p>","PeriodicalId":10869,"journal":{"name":"Critical Reviews in Toxicology","volume":null,"pages":null},"PeriodicalIF":5.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141987607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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