Metformin contamination in global waters: Biotic and abiotic transformation, byproduct generation and toxicity, and evaluation as a pharmaceutical indicator

Y He, Y Zhang, F Ju - Environmental Science & Technology, 2022 - ACS Publications
Metformin is the first-line antidiabetic drug and one of the most prescribed medications
worldwide. Because of its ubiquitous occurrence in global waters and demonstrated …

Occurrence, toxic effects and removal of metformin in the aquatic environments in the world: Recent trends and perspectives

GA Elizalde-Velázquez, LM Gómez-Oliván - Science of The Total …, 2020 - Elsevier
Metformin (MET) is the most common drug used to treat type 2 diabetes, but also it is used
as an anticancer agent and as a treatment for polycystic ovary syndrome. This drug is not …

Health impact assessment after Danio rerio long-term exposure to environmentally relevant concentrations of metformin and guanylurea

GA Elizalde-Velázquez, SE Herrera-Vázquez… - Chemosphere, 2023 - Elsevier
The antidiabetic drug metformin (MET) and its metabolite guanylurea (GUA) have been
frequently and ubiquitously detected in surface water. Consequently, there has been a …

[HTML][HTML] Metformin chlorination byproducts in drinking water exhibit marked toxicities of a potential health concern

R Zhang, Y He, L Yao, J Chen, S Zhu, X Rao… - Environment …, 2021 - Elsevier
Metformin (MET), a worldwide used drug for type 2 diabetes, has been found with the largest
amount by weight among all drugs in aquatic environment, including the drinking water …

Emerging pollutant metformin in water promotes the development of multiple-antibiotic resistance in Escherichia coli via chromosome mutagenesis

Z Wei, Y Wei, H Li, D Shi, D Yang, J Yin, S Zhou… - Journal of Hazardous …, 2022 - Elsevier
Antibiotics are known to be key drivers of antibiotic resistance and antibiotic resistance gene
transmission. However, the contribution of the emerging pollutant metformin in facilitating …

Oxidative stress as a potential mechanism by which guanylurea disrupts the embryogenesis of Danio rerio

GA Elizalde-Velázquez, LM Gómez-Oliván… - Science of the Total …, 2021 - Elsevier
Metformin is one the most prescribed drug to treat type 2 diabetes. In wastewater treatment
plants, this drug is bacterially transformed to guanylurea, which occurs at higher …

Multi-region assessment of pharmaceutical exposures and predicted effects in USA wadeable urban-gradient streams

PM Bradley, CA Journey, DT Button, DM Carlisle… - PLoS …, 2020 - journals.plos.org
Human-use pharmaceuticals in urban streams link aquatic-ecosystem health to human
health. Pharmaceutical mixtures have been widely reported in larger streams due to …

Polystyrene microplastics mitigate the embryotoxic damage of metformin and guanylurea in Danio rerio

GA Elizalde-Velázquez, LM Gómez-Oliván… - Science of the Total …, 2022 - Elsevier
Microplastics (MPs) alone may endanger the health and fitness of aquatic species through
different mechanisms. However, the harmful effects of these when mixed with other …

Contaminant exposure and transport from three potential reuse waters within a single watershed

JR Masoner, DW Kolpin, IM Cozzarelli… - Environmental …, 2023 - ACS Publications
Global demand for safe and sustainable water supplies necessitates a better understanding
of contaminant exposures in potential reuse waters. In this study, we compared exposures …

Chronic exposure to environmentally relevant concentrations of guanylurea induces neurotoxicity of Danio rerio adults

GA Elizalde-Velázquez, LM Gómez-Oliván… - Science of the Total …, 2022 - Elsevier
Recent studies have shown guanylurea (GUA) alters the growth and development of fish,
induces oxidative stress, and disrupts the levels and expression of several genes …