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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Minjeong (College of Pharmacy, Ewha Womans University) Jeong, Ji Seong (Developmental and Reproductive Toxicology Research Group, Korea Institute of Toxicology) Kim, Hyunji (Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine) Hwang, Seungwoo (Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology) Park, Il-Hyun (GENECAST Co.) Lee, Byung-Chul (GENECAST Co.) Yoon, Sung Il (Department of Epidemiology and Health Promotion, and Institute for Health Promotion, Graduate School of Public Health, Yonsei University) Jee, Sun Ha (Lab frontier Co.) Nam, Ki Taek (Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine) Lim, Kyung-Min (College of Pharmacy, Ewha Womans University)
저널정보
한국응용약물학회 Biomolecules & Therapeutics(구 응용약물학회지) Biomolecules & therapeutics 제26권 제5호
발행연도
2018.1
수록면
512 - 519 (8page)

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Phthalates widely used in the manufacture of plastics have deeply penetrated into our everyday lives. Recently, a concern over the toxicity of phthalates on thyroid, has been raised but in most of cases, the doses employed were unrealistically high. To investigate the effects of phthalates on thyroid, we investigated the effects of the repeated oral exposure to low to high doses (0.3, 3, 30 and 150 mg/kg) di-2-ethylhexylphthalate (DEHP) from weaning to maturity for 90 days in juvenile rats on the thyroid. The histological examination revealed that DEHP significantly induced hyperplasia in the thyroid from the doses of 30 mg/kg, which was confirmed with Ki67 staining. In line with this finding, increased mRNA expression of thyrotropin releasing hormone (Trh) was observed in the thyroid of female at 0.3 mg/kg and 150 mg/kg as determined by RNAseq analysis. Moreover, significantly increased expression of parathyroid hormone (Pth) in the female at 0.3 mg/kg, and thyroglobulin (Tg) and thyroid hormone responsive (Thrsp) in the male at 0.3 mg/kg were noted in the blood, of which changes were substantially attenuated at 150 m/kg, alluding the meaningful effects of low dose DEHP on the thyroid hormone regulation. Urinary excretion of mono-2-ethylhexyl-phthalate (MEHP), a major metabolite of DEHP was determined to be 4.10 and 12.26 ppb in male, 6.65 and 324 ppb in female at 0.3 and 30 mg/kg DEHP, respectively, which fell within reported human urine levels. Collectively, these results suggest a potential adverse effects of low dose phthalates on the thyroid.
#Phthalate #di-2-ethylhexylphthalate #DEHP) #Thyroid #Juvenile toxicity #Thyroid hormone #Proliferation

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참고문헌 (42)

참고문헌 신청
Agency for Toxic Substances and Disease Registry / 2002 / Toxicological profile for Di (2-ethylhexyl) phthalate / US Department of Health Human Services google schola Beck, M. J. / 2006 / Developmental and Reproductive Toxicology: A Practical Approach :263~328 google schola Boas, M. / 2006 / Environmental chemicals and thyroid function / Eur. J. Endocrinol. 154:599~611 Crossref Bowman, C. J. / 2011 / Juvenile toxicity assessment of anidulafungin in rats: an example of navigating case-by-case study design through scientific and regulatory challenges / Birth Defects Res. B Dev. Reprod. Toxicol. 92:333~344 google schola Calafat, A. M. / 2006 / Integrating biomonitoring exposure data into the risk assessment process: phthalates [diethyl phthalate and di(2-ethylhexyl) phthalate] as a case study / Environ. Health Perspect. 114:1783~1789 Crossref

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