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JOURNAL ARTICLE
Julia E Heck, Di He, Sam E Wing, Beate Ritz, Chandra D Carey, Juan Yang, Daniel O Stram, Loïc Le Marchand, Sungshim Lani Park, Iona Cheng, Anna H Wu
BACKGROUND: A growing literature has reported associations between traffic-related air pollution and breast cancer, however there are fewer investigations into specific ambient agents and any putative risk of breast cancer development, particularly studies occurring in populations residing in higher pollution areas such as Los Angeles. OBJECTIVES: To estimate breast cancer risks related to ambient air toxics exposure at residential addresses. METHODS: We examined the relationships between ambient air toxics and breast cancer risk in the Multiethnic Cohort among 48,665 California female participants followed for cancer from 2003 through 2013...
April 3, 2024: International Journal of Hygiene and Environmental Health
#22
JOURNAL ARTICLE
Nadine Khoury, María Ángeles Martínez, Stephanie K Nishi, Miguel Ángel Martínez-González, Dolores Corella, Olga Castañer, J Alfredo Martínez, Ángel M Alonso-Gómez, Julia Wärnberg, Jesús Vioque, Dora Romaguera, José López-Miranda, Ramon Estruch, Francisco J Tinahones, José Manuel Santos-Lozano, Lluís Serra-Majem, Aurora Bueno-Cavanillas, Josep A Tur, Sergio Cinza Sanjurjo, Xavier Pintó, José Juan Gaforio, Pilar Matía-Martín, Josep Vidal, Clotilde Vázquez, Lidia Daimiel, Emilio Ros, Carmen Sayon-Orea, Jose V Sorli, Karla-Alejandra Pérez-Vega, Antonio Garcia-Rios, Francisco Ortiz-Díaz, Enrique Gómez-Gracia, M A Zulet, Alice Chaplin, Rosa Casas, Inmaculada Salcedo-Bellido, Lucas Tojal-Sierra, Maria-Rosa Bernal-Lopez, Zenaida Vazquez-Ruiz, Eva M Asensio, Albert Goday, Patricia J Peña-Orihuela, Antonio J Signes-Pastor, Ana Garcia-Arellano, Montse Fitó, Nancy Babio, Jordi Salas-Salvadó
BACKGROUND: Endocrine disruptors (EDs) have emerged as potential contributors to the development of type-2 diabetes. Perfluorooctane sulfonate (PFOS), is one of these EDs linked with chronic diseases and gathered attention due to its widespread in food. OBJECTIVE: To assess at baseline and after 1-year of follow-up associations between estimated dietary intake (DI) of PFOS, and glucose homeostasis parameters and body-mass-index (BMI) in a senior population of 4600 non-diabetic participants from the PREDIMED-plus study...
March 15, 2024: Environment International
#23
JOURNAL ARTICLE
Hanning Yu, Linying Wu, Dongliang Xuan, Qian Peng, Weidong Qu, Ying Zhou
Iodoacetic acid (IAA) is a halogenated disinfection by-product of growing concern due to its high cytotoxicity, genotoxicity, endocrine disruptor effects, and potential carcinogenicity. However, the data on distribution and excretion of IAA after ingestion by mammals are still scarce. Here, we developed a reliable and validated method for detecting IAA in biological specimens (plasma, urine, feces, liver, kidney, and tissues) based on modified QuEChERS sample preparation combined with gas chromatography-tandem triple quadrupole mass spectrometry (GC-MS/MS)...
April 3, 2024: Analytical and Bioanalytical Chemistry
#24
JOURNAL ARTICLE
Samuel M Cripps, Sarah A Marshall, Deidre M Mattiske, Rachel Y Ingham, Andrew J Pask
Erectile dysfunction (ED) is an extremely prevalent condition which significantly impacts quality of life. The rapid increase of ED in recent decades suggests the existence of unidentified environmental risk factors contributing to this condition. Endocrine Disrupting Chemicals (EDCs) are one likely candidate, given that development and function of the erectile tissues are hormonally dependent. We use the estrogenic-EDC diethylstilbestrol (DES) to model how widespread estrogenic-EDC exposure may impact erectile function in humans...
April 2, 2024: Communications Biology
#25
JOURNAL ARTICLE
Lirong Huang, Jiaxin Xu, Kun Jia, Yulin Wu, Wei Yuan, Zhipeng Liao, Bo Cheng, Qiang Luo, Guiyou Tian, Huiqiang Lu
Butylparaben, a common endocrine disruptor in the environment, is known to be toxic to the reproductive system, heart, and intestines, but its nephrotoxicity has rarely been reported. In order to study the nephrotoxicity and mechanism of butylparaben, we examined the acute and chronic effects on human embryonic kidney cells (HEK293T) and zebrafish. Additionally, we assessed the potential remedial effects of salidroside against butylparaben-induced nephrotoxicity. Our in vitro findings demonstrated oxidative stress and cytotoxicity to HEK293T cells caused by butylparaben...
March 29, 2024: Journal of Hazardous Materials
#26
REVIEW
Slawomir Gonkowski, Valeria Ochoa-Herrera
Poly- and perfluoroalkyl substances (PFASs) are commonly used in various industries and everyday products, including clothing, electronics, furniture, paints, and many others. PFASs are primarily found in aquatic environments, but also present in soil, air and plants, making them one of the most important and dangerous pollutants of the natural environment. PFASs bioaccumulate in living organisms and are especially dangerous to aquatic and semi-aquatic animals. As endocrine disruptors, PFASs affect many internal organs and systems, including reproductive, endocrine, nervous, cardiovascular, and immune systems...
March 31, 2024: Aquatic Toxicology
#27
JOURNAL ARTICLE
Hirotoshi Akane, Takeshi Toyoda, Kohei Matsushita, Tomomi Morikawa, Tadashi Kosaka, Hitoshi Tajima, Hiroaki Aoyama, Kumiko Ogawa
Although measurements of blood triiodothyronine (T3), thyroxine (T4), and thyroid-stimulating hormone (TSH) levels in rodent toxicity studies are useful for detection of antithyroid substances, assays for these measurements are expensive and can show high variability depending on blood sampling conditions. To develop more efficient methods for detecting thyroid disruptors, we compared histopathological and immunohistochemical findings in the thyroid and pituitary glands with blood hormone levels. Six-week-old male and female Sprague-Dawley rats (five rats per group) were treated with multiple doses of the thyroid peroxidase inhibitors propylthiouracil (PTU) and methimazole by gavage for 28 days...
April 2, 2024: Journal of Applied Toxicology: JAT
#28
REVIEW
Rebeca Mira Sánchez, Juan Felipe Bermeo Losada, Juan Antonio Marín Martínez
In recent years, environmental epidemiology and toxicology have seen a growing interest in the environmental factors that contribute to the increased prevalence of neurodevelopmental disorders, with the purpose of establishing appropriate prevention strategies. A literature review was performed, and 192 articles covering the topic of endocrine disruptors and neurodevelopmental disorders were found, focusing on polychlorinated biphenyls, polybrominated diphenyl ethers, bisphenol A, and pesticides. This study contributes to analyzing their effect on the molecular mechanism in maternal and infant thyroid function, essential for infant neurodevelopment, and whose alteration has been associated with various neurodevelopmental disorders...
March 30, 2024: Frontiers in Neuroendocrinology
#29
JOURNAL ARTICLE
Nadeem Khan Ghani, Divya Adiga, Padmalatha Satwadi Rai, Shama Prasada Kabekkodu
Bisphenol A (BPA) is a synthetic chemical widely used as a monomer for producing polycarbonate plastics. The present investigation employed an in-silico approach to identify BPA-responsive genes and comprehend the biological functions affected using in vitro studies. A Comparative Toxicogenomics Database search identified 29 BPA-responsive genes in cervical cancer (CC). Twenty-nine genes were screened using published datasets, and thirteen of those showed differential expression between normal and CC samples...
March 29, 2024: Toxicology
#30
JOURNAL ARTICLE
Joseph Ciarelli, Soundara Viveka Thangaraj, Haijing Sun, Stephanie Domke, Bashar Alkhatib, Arpita Vyas, Brigid Gregg, Robert M Sargis, Vasantha Padmanabhan
Developmental exposure to endocrine disruptors like bisphenol A (BPA) are implicated in later-life metabolic dysfunction. Leveraging a unique sheep model of developmental programming, we conducted an exploratory analysis of the programming effects of BPA on the endocrine pancreas. Pregnant ewes were administered environmentally relevant doses of BPA during gestational days (GD) 30-90, and pancreata from female fetuses and adult offspring were analyzed. Prenatal BPA exposure induced a trend toward decreased islet insulin staining and β-cell count, increased glucagon staining and α-cell count, and increased α-cell/β-cell ratio...
March 27, 2024: Molecular and Cellular Endocrinology
#31
JOURNAL ARTICLE
Debbie Montjean, Marion Beaumont, Abdelhafid Natiq, Noureddine Louanjli, Andre Hazout, Pierre Miron, Thomas Liehr, Rosalie Cabry, Ilham Ratbi, Moncef Benkhalifa
Infertility affects around 20% of couples of reproductive age; however, in some societies, as many as one-third of couples are unable to conceive. Different factors contribute to the decline of male fertility, such us environmental and professional exposure to endocrine disruptors, oxidative stress, and life habits with the risk of de novo epigenetics dysregulation. Since the fantastic development of new "omes and omics" technologies, the contribution of inherited or de novo genomes and epigenome disorders to male infertility have been further elucidated...
March 19, 2024: Genes
#32
REVIEW
Csanád Endre Lőrincz, Denise Börzsei, Alexandra Hoffmann, Csaba Varga, Renáta Szabó
Polycystic ovary syndrome (PCOS) is a common endocrine disorder among females of reproductive age with heterogeneous prevalence. It is well known that female reproductive competence depends on the dynamic regulation of the hypothalamic-pituitary-gonadal (HPG) axis; therefore, disruption of this highly regulated system leads to fertility problems. Among disruptors, both oxidative stress and inflammation contribute to an increased LH-FSH ratio and a consequent hyperandrogenism. Shifts in this bidirectional interplay between the neuroendocrine system and oxidative/inflammatory homeostasis result in the accumulation of reactive oxygen/nitrogen species and inflammatory markers as well as alterations in antioxidant defense mechanisms...
March 1, 2024: Biomedicines
#33
JOURNAL ARTICLE
Xueming Xu, Xiaoping Zhang, Jiake Chen, Xiushuai Du, Yi Sun, Liqin Zhan, Wenxiang Wang, Yuchen Li
The pathogeny of polycystic ovary syndrome (PCOS) is intricate, with endocrine disruptors (EDCs) being acknowledged as significant environmental factors. Research has shown a link between exposure to per- and polyfluoroalkyl substances (PFAS) and the development and progression of PCOS, although the precise mechanism is not fully understood. This study utilized toxicogenomics and comparative toxicogenomics databases to analyze data and investigate how PFAS mixtures may contribute to the development of PCOS...
March 26, 2024: Ecotoxicology and Environmental Safety
#34
JOURNAL ARTICLE
William R Howard, Joyce G Rohan, Kimberly S B Yeager, Chester P Gut, Kathleen A Frondorf, Shawn M McInturf, Nathan M Gargas, Karen L Mumy
Recent events concerning jet fuel contamination of drinking water have shown that we need a better understanding of the effects of ingested jet fuel. To this end, a reproductive study with ingested jet fuel in rats was undertaken with relatively high concentrations of Jet Propellant (JP)-5 along with a human estrogen receptor activation in vitro assay using JP-5, JP-8, and an alternative jet fuel derived from the camelina plant referred to as HydroRenewable Jet (HRJ) fuel, to help evaluate potential effects of ingested jet fuel...
March 16, 2024: Toxics
#35
REVIEW
Sophie Fouyet, Marie-Caroline Ferger, Pascale Leproux, Patrice Rat, Mélody Dutot
Efforts are being made globally to improve the evaluation and understanding of endocrine-disrupting chemicals. Recognition of their impact on human health and the environment has stimulated attention and research in this field. Various stakeholders, including scientists, regulatory agencies, policymakers, and industry representatives, are collaborating to develop robust methodologies and guidelines for assessing these disruptors. A key aspect of these efforts is the development of standardized testing protocols and guidelines that aim to provide consistent and reliable methods for identifying and characterizing endocrine disruptors...
February 28, 2024: Toxics
#36
REVIEW
Baihui Wu, Haiyang Yu, Jia Yi, Pengyu Lei, Jiaxuan He, Jing Ruan, Peiye Xu, Runchao Tao, Libo Jin, Wei Wu, Qinsi Yang, Da Sun, Xiaoqun Zhang
The escalating prevalence of microplastics and nanoplastics in aquatic environments is a major challenge affecting the behavior and reproductive health of aquatic organisms while posing potential risks to human health and ecosystems. This review focuses on the neurobehavioral changes and reproductive toxicity of MNPs in zebrafish and their relationships. At the same time, the neurobehavioral changes caused by MNPs were studied, and the synergistic effects of the interaction of these pollutants with other environmental contaminants were explored...
February 26, 2024: Toxics
#37
JOURNAL ARTICLE
Aaron Dixon, Evelyn G Rowan, Allison N Yackley, Erin P Hines
Various PFAS have been identified as potential endocrine-disrupting chemicals due to estrogen receptor activation, impacts on puberty timing, or impacts on hormonally sensitive endpoints in fish. This study screened multiple PFAS in the rat uterotrophic assay to determine potential estrogenic effects on the uterus with PFAS exposure. This study also explored PFAS-dependent uterine signaling with an osmotic stress mRNA gene expression array. Briefly, Sprague-Dawley rats (26-39 days old) were ovariectomized, and uterine tissue was allowed to regress for a 3-week period of recovery...
February 23, 2024: Toxics
#38
JOURNAL ARTICLE
Ajit Kumar Navin, Mariajoseph Michael Aruldhas, Kathiresh Kumar Mani, Shobana Navaneethabalakrishnan, Sankar Venkatachalam, Sakhila K Banu
The endocrine disruptor hexavalent chromium [Cr(VI)] is a proven reproductive toxicant. We recently demonstrated that prenatal Cr(VI) exposure causes testicular resistance to gonadotropins, resulting in hypergonadotropic hypoandrogenism in F1 rats. However, the mechanism driving hypergonadotropism in F1 rats exposed to Cr(VI) prenatally remains an enigma. Therefore, we hypothesized that 'Prenatal Cr(VI) exposure may disrupt steroid hormones-mediated negative feedback regulation of the hypothalamic GnRH, and its receptor in the pituitary of F1 rats, leading to hypergonadotropism...
April 2024: Journal of Biochemical and Molecular Toxicology
#39
JOURNAL ARTICLE
Alicia Tribondeau, David Du Pasquier, Médine Benchouaia, Corinne Blugeon, Nicolas Buisine, Laurent M Sachs
Thyroid hormones are involved in many biological processes such as neurogenesis, metabolism, and development. However, compounds called endocrine disruptors can alter thyroid hormone signaling and induce unwanted effects on human and ecosystems health. Regulatory tests have been developed to detect these compounds but need to be significantly improved by proposing novel endpoints and key events. The Xenopus Eleutheroembryonic Thyroid Assay (XETA, OECD test guideline no. 248) is one such test. It is based on Xenopus laevis tadpoles, a particularly sensitive model system for studying the physiology and disruption of thyroid hormone signaling: amphibian metamorphosis is a spectacular (thus easy to monitor) life cycle transition governed by thyroid hormones...
2024: Frontiers in Endocrinology
#40
JOURNAL ARTICLE
Ronnie Joe Bever, Stephen W Edwards, Todor Antonijevic, Mark D Nelms, Caroline Ring, Danni Harris, Scott G Lynn, David Williams, Grace Chappell, Rebecca Boyles, Susan Borghoff, Kristan J Markey
Introduction: Computational models using data from high-throughput screening assays have promise for prioritizing and screening chemicals for testing under the U.S. Environmental Protection Agency's Endocrine Disruptor Screening Program (EDSP). The purpose of this work was to demonstrate a data processing method for the determination of optimal minimal assay batteries from a larger comprehensive model, to provide a uniform method of evaluating the performance of future minimal assay batteries compared with the androgen receptor (AR) pathway model, and to incorporate chemical cluster analysis into this evaluation...
2024: Frontiers in toxicology
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