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Impaired spermatogenesis and associated endocrine effects of azole fungicides in peripubertal Xenopus tropicalis. , Svanholm S., Ecotoxicol Environ Saf. January 15, 2024; 270 115876.
Bisphenol B disrupts testis differentiation partly via the estrogen receptor-mediated pathway and subsequently causes testicular dysgenesis in Xenopus laevis. , Li HM., Ecotoxicol Environ Saf. May 1, 2022; 236 113453.
Developmental reproductive toxicity and endocrine activity of propiconazole in the Xenopus tropicalis model. , Svanholm S., Sci Total Environ. January 20, 2021; 753 141940.
Transcriptomic analysis identifies early cellular and molecular events by which estrogen disrupts testis differentiation and causes feminization in Xenopus laevis. , Li Y., Aquat Toxicol. September 1, 2020; 226 105557.
Polybrominated Diphenylether (DE-71) Exposure Skews Phenotypic Sex Ratio, and Alters Steroid Hormone Levels and Steroidogenic Enzyme Activities in Juvenile Silurana tropicalis. , Fort DJ., Toxicol Sci. November 1, 2019; 172 (1): 63-74.
Effect of perfluorooctanesulfonate exposure on steroid hormone levels and steroidogenic enzyme activities in juvenile Silurana tropicalis. , Fort DJ., J Appl Toxicol. July 1, 2019; 39 (7): 1066-1078.
Thyroid hormones and androgens differentially regulate gene expression in testes and ovaries of sexually mature Silurana tropicalis. , Campbell DEK., Gen Comp Endocrinol. October 1, 2018; 267 172-182.
Exposure to an anti-androgenic herbicide negatively impacts reproductive physiology and fertility in Xenopus tropicalis. , Orton F., Sci Rep. June 14, 2018; 8 (1): 9124.
Transcriptome analysis identifies genes involved in sex determination and development of Xenopus laevis gonads. , Piprek RP., Differentiation. January 1, 2018; 100 46-56.
Masculinization-Related Genes and Cell-Mass Structures During Early Gonadal Differentiation in the African Clawed Frog Xenopus laevis. , Wada M., Zoolog Sci. April 1, 2017; 34 (2): 105-111.
Boric Acid Is Reproductively Toxic to Adult Xenopus laevis, but Not Endocrine Active. , Fort DJ., Toxicol Sci. November 1, 2016; 154 (1): 16-26.
Lethal and sublethal effects of phthalate diesters in Silurana tropicalis larvae. , Mathieu-Denoncourt J., Environ Toxicol Chem. October 1, 2016; 35 (10): 2511-2522.
Life cycle exposure of the frog Silurana tropicalis to arsenate: Steroid- and thyroid hormone-related genes are differently altered throughout development. , Gibson LA., Gen Comp Endocrinol. August 1, 2016; 234 133-41.
Metabolic and immune impairments induced by the endocrine disruptors benzo[a]pyrene and triclosan in Xenopus tropicalis. , Regnault C., Chemosphere. July 1, 2016; 155 519-527.
Tebuconazole disrupts steroidogenesis in Xenopus laevis. , Poulsen R., Aquat Toxicol. November 1, 2015; 168 28-37.
TRPV4 associates environmental temperature and sex determination in the American alligator. , Yatsu R., Sci Rep. January 12, 2015; 5 18581.
Cell-mass structures expressing the aromatase gene Cyp19a1 lead to ovarian cavities in Xenopus laevis. , Mawaribuchi S., Endocrinology. October 1, 2014; 155 (10): 3996-4005.
Expression profile of the aromatase enzyme in the Xenopus brain and localization of estradiol and estrogen receptors in each tissue. , Iwabuchi J., Gen Comp Endocrinol. December 1, 2013; 194 286-94.
Effects of perfluorooctanesulfonate and perfluorobutanesulfonate on the growth and sexual development of Xenopus laevis. , Lou QQ., Ecotoxicology. September 1, 2013; 22 (7): 1133-44.
Brain-specific promoter/exon I.f of the cyp19a1 ( aromatase) gene in Xenopus laevis. , Nakagawa T., J Steroid Biochem Mol Biol. November 1, 2012; 132 (3-5): 247-55.
The synthetic gestagen Levonorgestrel disrupts sexual development in Xenopus laevis by affecting gene expression of pituitary gonadotropins and gonadal steroidogenic enzymes. , Lorenz C., Toxicol Sci. December 1, 2011; 124 (2): 311-9.
Characterization of cAMP response element-like sequence in gonadal specific aromatase promoter sequence of Xenopus embryos. , Onoe M., Zoolog Sci. November 1, 2011; 28 (11): 828-33.
Aqueous leaf extracts display endocrine activities in vitro and disrupt sexual differentiation of male Xenopus laevis tadpoles in vivo. , Hermelink B., Gen Comp Endocrinol. September 1, 2010; 168 (2): 245-55.
Atrazine induces complete feminization and chemical castration in male African clawed frogs (Xenopus laevis). , Hayes TB., Proc Natl Acad Sci U S A. March 9, 2010; 107 (10): 4612-7.
Comparative transcriptomic analysis of follicle-enclosed oocyte maturational and developmental competence acquisition in two non-mammalian vertebrates. , Gohin M., BMC Genomics. January 8, 2010; 11 18.
Exposure of Xenopus laevis tadpoles to finasteride, an inhibitor of 5-alpha reductase activity, impairs spermatogenesis and alters hypophyseal feedback mechanisms. , Urbatzka R., J Mol Endocrinol. November 1, 2009; 43 (5): 209-19.
Sox3: a transcription factor for Cyp19 expression in the frog Rana rugosa. , Oshima Y., Gene. September 15, 2009; 445 (1-2): 38-48.
Does atrazine affect larval development and sexual differentiation of South African clawed frogs? , Kloas W ., Ann N Y Acad Sci. April 1, 2009; 1163 437-40.
Sex reversal of the amphibian, Xenopus tropicalis, following larval exposure to an aromatase inhibitor. , Olmstead AW., Aquat Toxicol. January 31, 2009; 91 (2): 143-50.
Clotrimazole exposure modulates aromatase activity in gonads and brain during gonadal differentiation in Xenopus tropicalis frogs. , Gyllenhammar I., Aquat Toxicol. January 31, 2009; 91 (2): 102-9.
Xenopus tropicalis as a test system for developmental and reproductive toxicity. , Berg C., J Toxicol Environ Health A. January 1, 2009; 72 (3-4): 219-25.
Xenopus W-linked DM-W induces Foxl2 and Cyp19 expression during ovary formation. , Okada E., Sex Dev. January 1, 2009; 3 (1): 38-42.
Effect of atrazine on metamorphosis and sexual differentiation in Xenopus laevis. , Oka T., Aquat Toxicol. May 30, 2008; 87 (4): 215-26.
Diversity in the origins of sex chromosomes in anurans inferred from comparative mapping of sexual differentiation genes for three species of the Raninae and Xenopodinae. , Uno Y ., Chromosome Res. January 1, 2008; 16 (7): 999-1011.
Molecular cloning and gene expression of Foxl2 in the frog Rana rugosa. , Oshima Y., Gen Comp Endocrinol. January 1, 2008; 159 (2-3): 170-7.
Aromatase, steroid-5-alpha-reductase type 1 and type 2 mRNA expression in gonads and in brain of Xenopus laevis during ontogeny. , Urbatzka R., Gen Comp Endocrinol. January 1, 2007; 153 (1-3): 280-8.
Analysis of the p450 aromatase gene expression in the Xenopus brain and gonad. , Iwabuchi J., J Steroid Biochem Mol Biol. January 1, 2007; 107 (3-5): 149-55.
Development and optimization of a Q- RT PCR method to quantify CYP19 mRNA expression in testis of male adult Xenopus laevis: comparisons with aromatase enzyme activity. , Park JW., Comp Biochem Physiol B Biochem Mol Biol. May 1, 2006; 144 (1): 18-28.
Characterization of atrazine-induced gonadal malformations in African clawed frogs (Xenopus laevis) and comparisons with effects of an androgen antagonist (cyproterone acetate) and exogenous estrogen (17beta-estradiol): Support for the demasculinization/feminization hypothesis. , Hayes TB., Environ Health Perspect. April 1, 2006; 114 Suppl 1 (Suppl 1): 134-41.
Promoter activity and chromosomal location of the Rana rugosa P450 aromatase ( CYP19) gene. , Oshima Y., Zoolog Sci. January 1, 2006; 23 (1): 79-85.
Effects of atrazine on metamorphosis, growth, laryngeal and gonadal development, aromatase activity, and sex steroid concentrations in Xenopus laevis. , Coady KK ., Ecotoxicol Environ Saf. October 1, 2005; 62 (2): 160-73.
Effects of atrazine on CYP19 gene expression and aromatase activity in testes and on plasma sex steroid concentrations of male African clawed frogs (Xenopus laevis). , Hecker M., Toxicol Sci. August 1, 2005; 86 (2): 273-80.
Plasma concentrations of estradiol and testosterone, gonadal aromatase activity and ultrastructure of the testis in Xenopus laevis exposed to estradiol or atrazine. , Hecker M., Aquat Toxicol. May 15, 2005; 72 (4): 383-96.
Plasma sex steroid concentrations and gonadal aromatase activities in African clawed frogs (Xenopus laevis) from South Africa. , Hecker M., Environ Toxicol Chem. August 1, 2004; 23 (8): 1996-2007.
Expression of aromatase and steroidogenic factor 1 in the lung of the urodele amphibian Pleurodeles waltl. , Kuntz S., Endocrinology. July 1, 2004; 145 (7): 3111-4.
Analysis of genes related to expression of aromatase and estradiol-regulated genes during sex differentiation in Xenopus embryos. , Akatsuka N., Gen Comp Endocrinol. May 1, 2004; 136 (3): 382-8.
Hermaphroditic, demasculinized frogs after exposure to the herbicide atrazine at low ecologically relevant doses. , Hayes TB., Proc Natl Acad Sci U S A. April 16, 2002; 99 (8): 5476-80.
Sequence analysis and expression of the P450 aromatase and estrogen receptor genes in the Xenopus ovary. , Miyashita K., J Steroid Biochem Mol Biol. December 15, 2000; 75 (2-3): 101-7.
Conservation of steroidogenic acute regulatory (StAR) protein structure and expression in vertebrates. , Bauer MP., Mol Cell Endocrinol. October 25, 2000; 168 (1-2): 119-25.