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Dibutyl-phthalate e...
Dibutyl-phthalate exposure from mesalamine medications and serum thyroid hormones in men
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- Nassan, Feiby L. (författare)
- Departments of Environmental Health and Nutrition, Harvard T. H. Chan School of Public Health, Boston, USA
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- Korevaar, Tim I. M. (författare)
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, USA
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- Coull, Brent A. (författare)
- Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, USA
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- Skakkebæk, Niels E. (författare)
- Department of Growth and Reproduction, University of Copenhagen, Copenhagen, Denmark
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- Krawetz, Stephen A. (författare)
- Department of Obstetrics & Gynecology, Wayne State University, Detroit, USA
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- Estill, Molly (författare)
- Department of Obstetrics & Gynecology, Wayne State University, Detroit, USA
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- Hait, Elizabeth J. (författare)
- Division of Gastroenterology, Harvard Medical School, Boston, USA
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- Korzenik, Joshua R. (författare)
- Division of Gastroenterology, Hepatology and Endoscopy, Harvard Medical School, Boston, USA
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- Ford, Jennifer B. (författare)
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, USA
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- De Poortere, Ralph A. (författare)
- Laboratory of Clinical Chemistry and Haematology, Máxima Medical Centre, De Run, Netherlands
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- Broeren, Maarten A. (författare)
- Laboratory of Clinical Chemistry and Haematology, Máxima Medical Centre, De Run, Netherlands
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- Moss, Alan C. (författare)
- Center for Inflammatory Bowel Disease, Harvard Medical School, Boston, USA
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- Zoeller, R. Thomas, 1952- (författare)
- Department of Biology, University of Massachusetts, Amherst, USA
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- Hauser, Russ (författare)
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, USA; Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, USA; Vincent Obstetrics and Gynecology, Massachusetts General Hospital and Harvard Medical School, Boston, USA
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Departments of Environmental Health and Nutrition, Harvard T H. Chan School of Public Health, Boston, USA Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, USA (creator_code:org_t)
- Urban & Fischer, 2019
- 2019
- Engelska.
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Ingår i: International journal of hygiene and environmental health. - : Urban & Fischer. - 1438-4639 .- 1618-131X. ; 222:1, s. 101-110
- Relaterad länk:
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https://europepmc.or...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- BACKGROUND: Dibutyl phthalate (DBP) is an endocrine disruptor and used in some medication coatings, such as mesalamine for treatment inflammatory bowel disease (IBD).OBJECTIVES: To determine whether high-DBP from some mesalamine medications alters thyroid function.METHODS: Seventy men with IBD, without thyroid disease or any radiation history participated in a crossover-crossback prospective study and provided up to 6 serum samples (2:baseline, 2:crossover, 2:crossback). Men on non-DBP mesalamine (background exposure) at baseline crossed-over to DBP-mesalamine (high exposure) then crossed-back to non-DBP mesalamine (B1HB2-arm) and vice versa for men on DBP-mesalamine at baseline (H1BH2-arm). Serum concentrations of total triiodothyronine (T3), total thyroxine (T4), free triiodothyronine (FT3), free thyroxine (FT4), thyroid-stimulating hormone (TSH) and thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TgAb).RESULTS: After crossover in B1HB2-arm (26 men, 134 samples), T3 decreased 10% (95% confidence interval (CI): 14%,-5%), T3/T4 ratio decreased 8% (CI: 12%,-3%), TPOAb, and TgAb concentrations decreased, 11% (-20%, -2%) and 15% (-23%, -5%), respectively; after crossback, they increased. When men in the H1BH2-arm (44 men, 193 samples) crossed-over, T3 decreased 7% (CI: -11%, -2%) and T3/T4 ratio decreased 6% (CI: -9%, -2%). After crossback, only TgAb increased and FT4 decreased.CONCLUSIONS: High-DBP novel exposure or removal from chronic high-DBP exposure could alter elements of the thyroid system, and most probably alters the peripheral T4 conversion to T3 and thyroid autoimmunity, consistent with thyroid disruption. After exposure removal, these trends were mostly reversed.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Endocrine disruptor
- Hormones
- Men
- Phthalate
- Thyroid
- Enviromental Science
- Miljövetenskap
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- ref (ämneskategori)
- art (ämneskategori)
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Nassan, Feiby L.
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Korevaar, Tim I. ...
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Coull, Brent A.
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Skakkebæk, Niels ...
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Krawetz, Stephen ...
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Estill, Molly
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Hait, Elizabeth ...
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Korzenik, Joshua ...
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Ford, Jennifer B ...
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De Poortere, Ral ...
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Broeren, Maarten ...
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Moss, Alan C.
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Zoeller, R. Thom ...
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Hauser, Russ
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