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t16403

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Georges de Sousa et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 90, 55-63 (2016-02-02)
Benzophenone-2 (BP2) is widely used as a UV screen in both industrial products and cosmetic formulations, where it is frequently found associated with fragrance compounds, such as isoeugenol and coumarin. BP2 is now recognized as an endocrine disruptor, but to
Jonathan T Haselman et al.
Journal of applied toxicology : JAT, 36(12), 1651-1661 (2016-06-01)
The Larval Amphibian Growth and Development Assay (LAGDA) is a globally harmonized chemical testing guideline developed by the U.S. Environmental Protection Agency in collaboration with Japan's Ministry of Environment to support risk assessment. The assay is employed as a higher
Rita Celano et al.
Journal of chromatography. A, 1355, 26-35 (2014-06-19)
Pharmaceutical and personal care products (PPCPs) are one of the most important classes of emerging contaminants. The potential of ecological and environmental impacts associated with PPCPs are of particular concern because they continually penetrate the aquatic environment. This work describes
[2,2',4,4'-tetrahydroxybenzophenone as a new aldose reductase inhibitor (author's transl)].
H Ono et al.
Nippon Ganka Gakkai zasshi, 86(4), 353-357 (1982-01-01)
Yeawon Kim et al.
Toxicology, 288(1-3), 18-26 (2011-07-06)
Endocrine disruptors (EDs) affect the function of animal reproductive systems. Recently, 2,2',4,4'-tetrahydroxybenzophenone (BP2), which is a component of UV protection products, was found to be an ED that interferes with the thyroid hormone (TH) axis. However, BP2 activity in the
Lihuan Hu et al.
Journal of chromatography. A, 1604, 460469-460469 (2019-09-03)
While they are commonly used as ultraviolet (UV) filters in plastic food packaging materials, benzophenones (BPs) are reported as environmental endocrine disruptors, and some of them possess significant estrogenic activity. Therefore sensitive determination of the content of those UV filters
Dominik Rachoń et al.
Immunopharmacology and immunotoxicology, 28(3), 501-510 (2006-09-26)
Chemical ultraviolet light absorbers (UV-filters) are nowadays widely used in cosmetic and plastic industry. Recent in vitro and in vivo studies have reported that certain chemical UV-filters possess estrogenic activity raising the question of whether these compounds are safe to
Jungeun Lee et al.
Environmental science & technology, 52(15), 8858-8865 (2018-07-12)
Benzophenones (BPs) have been widely used in personal care products (PCPs) such as UV protectants. Sex endocrine-disrupting effects have been documented for some BPs, but, significant knowledge gaps are present for their thyroid-disrupting effects. To investigate the thyroid-disrupting potential of
Yi-Wei Wu et al.
Electrophoresis, 29(4), 819-826 (2008-01-19)
A method has been developed for the separation and determination of three hydrophobic benzophenones: 2,4-dihydroxybenzophenone (BP-1), 2,2'4,4'-tetrahydroxybenzophenone (BP-2), and 2-hydroxy-4-methoxybenzophenone (BP-3) in sunscreen by micellar electrokinetic capillary chromatography (MEKC) combined with cloud point extraction (CPE). The analytes were extracted at
Victor Kuete et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 20(6), 528-536 (2013-03-20)
The emergence of drug-resistant cancer cells drastically reduces the efficacy of many antineoplasic agents and, consequently, increases the frequency of therapeutic failure. Benzophenones are known to display many pharmacological properties including cytotoxic activities. The present study was aimed at investigating
Yoko Watanabe et al.
Toxicology and applied pharmacology, 282(2), 119-128 (2014-12-22)
Benzophenone-3 (2-hydroxy-4-methoxybenzophenone; BP-3) is widely used as sunscreen for protection of human skin and hair from damage by ultraviolet (UV) radiation. In this study, we examined the metabolism of BP-3 by rat and human liver microsomes, and the estrogenic and
Christin J Weisbrod et al.
Toxicology and applied pharmacology, 225(3), 255-266 (2007-09-25)
The UV filter benzophenone-2 (BP-2) is largely used in personal care products such as cosmetics and in numerous other materials for UV protection. Like other UV filters, BP-2 has been found to be estrogenic in vitro and in vivo, but
Michael H Hsieh et al.
The Journal of urology, 178(4 Pt 2), 1637-1642 (2007-08-21)
Additives such as benzophenone-2 are commonly used in cosmetic products and food container plastics to filter out ultraviolet light. In pregnant women exposure may result in transplacental transfer of benzophenone-2 to fetuses. Benzophenone-2 is estrogenic in vitro and in the
Caroline Pinto et al.
Toxicology and applied pharmacology, 280(1), 60-69 (2014-08-12)
Zebrafish, Danio rerio, is increasingly used as an animal model to study the effects of pharmaceuticals and environmental estrogens. As most of these estrogens have only been tested on human estrogen receptors (ERs), it is necessary to measure their effects
Armin Zenker et al.
Journal of chromatography. A, 1202(1), 64-74 (2008-07-18)
A new sensitive method has been successfully developed and validated for the simultaneous determination and quantification of nine estrogenic UV filters (benzophenone-1, benzophenone-2, benzophenone-3, benzophenone-4, 4,4-dihydroxybenzophenone, ethyl-4-aminobenzoate, 2-ethyl-hexyl-4-trimethoxycinnamate, 3-(4-methylbenzylidene)-camphor, 3-benzylidene-camphor) in different environmental matrices. After optimisation of extraction conditions for
Seok-Hee Lee et al.
Environmental research, 182, 109110-109110 (2020-01-10)
Thyroid hormones (THs) are one of the most important hormones, playing key roles in the regulation of various physiological functions. Although THs have important function in human, in vitro test methods based on human cells are currently insufficient to effectively
Hubertus Jarry et al.
Toxicology, 205(1-2), 87-93 (2004-10-02)
The chemical industry has developed sun protection factor products, which contain a variety of so-called "UV screens", among others, benzophenones (BP). Based on the structure it can be assumed, that the variant BP2 may be a potent estrogenic endocrine disrupter
Christiane Schlecht et al.
Toxicology, 205(1-2), 123-130 (2004-10-02)
The estrogen receptors (ERs) are members of a super family of ligand-activated transcription factors mediating estrogenic responses. A close functional kinship was found for the structurally related estrogen receptor-related receptor1 (ERR1), a constitutively active transcription factor. The aryl hydrocarbon receptor
Christiane Schlecht et al.
Archives of toxicology, 80(10), 656-661 (2006-04-06)
The tetrahydroxylated biphenyl-ketone 2,2',4,4'-tetrahydroxybenzophenone (BP2), one of twelve benzophenone-derived UV-filters, is used in cosmetic products and in packaging materials to protect these products from light induced damage. Recently published studies showed that BP2 exerts estrogenic activity; thus, it is an
Petra Y Kunz et al.
Toxicology and applied pharmacology, 217(1), 86-99 (2006-10-10)
UV-absorbing chemicals (UV filters) are widely used for protection against UV radiation in sunscreens and in a variety of cosmetic products and materials. Depending on the breadth and factor of UV protection, they are added as single compounds or as
Contact allergy to benzophenone-2 in toilet water.
M C Jacobs
Contact dermatitis, 39(1), 42-42 (1998-08-01)
Tatyana Shaw et al.
Dermatitis : contact, atopic, occupational, drug, 21(4), 185-198 (2010-07-22)
Rising use of sunscreen products has led to increased reporting of adverse reactions to sunscreens. To investigate possible photoallergic reactions in patients who identified themselves as "being allergic" to sunscreens. Patients filled out questionnaires about types of sunscreens they used
Dana Seidlová-Wuttke et al.
Toxicology, 213(1-2), 13-24 (2005-06-14)
The endocrine active substances BPA, DBP and BP2 have estrogenic effects in the uterus. Proc and Lin were shown to be antiandrogenic. Whether other estrogen-regulated parameters like lipids, fat metabolism and hormones are also affected by these substances is unknown.
Cornelia Schmutzler et al.
Endocrinology, 148(6), 2835-2844 (2007-03-24)
Endocrine disrupting chemicals (EDCs), either plant constituents or contaminants deriving from industrial products, may interfere with the thyroid hormone (TH) axis. Here, we examined whether selected EDCs inhibit the key reactions of TH biosynthesis catalyzed by thyroid peroxidase (TPO). We
Petra Y Kunz et al.
Toxicology and applied pharmacology, 234(1), 77-88 (2008-11-11)
Numerous estrogenic compounds are present in aquatic environments, but currently it is not well understood how compounds that differ in maxima and slope of their individual dose-response curves contribute to the overall mixture effect. In order to better understand such
Christiane Schlecht et al.
Toxicology, 245(1-2), 11-17 (2008-02-05)
Twelve derivatives of benzophenone (BP1-BP12) are widely used as UV-screens to protect industrial products from light induced damage. There is growing public concern about industrially produced chemicals that might interfere with hormonal signalling pathways, thus having potential adverse effects on
D Seidlová-Wuttke et al.
Toxicology, 205(1-2), 103-112 (2004-10-02)
Contradictory results whether the endocrine disrupters (ED) benzophenone-2 (BP2), bisphenol A (BPA) and dibutylphtalate (DBP) exert estrogenic effects have been published. Selective estrogen receptor modulators (SERMs) exert estrogenic effects in some but not in all organs and ED may be
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