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Vita R, Di Bari F, Capodicasa G, Perelli S, Bonanno AM, Ieni A, Moleti M, Vermiglio F, Tuccari G, Benvenga S. Rates of lymphocytic thyroiditis and ultrasound features of citologically-interrogated thyroid nodules based on the area of residence in a Sicily province. Endocrine 2021; 72:744-757. [PMID: 33063274 DOI: 10.1007/s12020-020-02521-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/03/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE To verify the prevalence of autoimmune thyroiditis (AIT) and the ultrasound characteristics (composition and volume) of thyroid nodules with respect to the area of residence in the province of Messina, some areas having environmental issues. METHODS Fine-needle aspiration-interrogated nodules (n = 902) of 809 patients were evaluated upon stratification into 8 areas of residence. RESULTS Overall, women were younger than men (55.3 ± 14.0 vs. 58.6 ± 12.6 years, P = 0.0083). Patients residing in three areas (one hosting two garbage dumps, one hosting a petrochemical complex and a thermoelectrical power plant, and one hosting several ceramic factories [CFA]) were younger than those residing in the city of Messina (MEA) (52.9 ± 13.4 vs. 57.7 ± 13.6 years, P < 0.0001). Also, patients residing in those three areas had a greater rate of AIT, diagnosed either ultrasonographically/serologically (22.2% of patients) or cytologically (26.3% of nodules), compared with MEA (11.7% of patients, P = 0.0007 or 20.2% of nodules, P = 0.0815). Rates of AIT ranged 12.5-28.6% in the remaining four areas. Overall, nodules in women were smaller than in men (3.6 ± 5.7 vs. 6.1 ± 9.4 ml, P = 0.0006). Compared with the other seven areas, patients living in CFA had the largest nodules (6.8 ± 6.8 ml, P = 0.0040-0.0291), with the nodule volume being inversely correlated to patient's age (r = -0.4955, P = 0.0431). CONCLUSION Rates of AIT and associated ultrasound features of thyroid nodules vary in different areas of our province. Further studies correlating these rates and features with exposure to specific toxicants are warranted.
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Affiliation(s)
- Roberto Vita
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy.
| | - Flavia Di Bari
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Giovanni Capodicasa
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Sarah Perelli
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Anna Maria Bonanno
- Department of Human Pathology of Adult and Evolutive Age Gaetano Barresi - Section of Pathological Anatomy, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Antonio Ieni
- Department of Human Pathology of Adult and Evolutive Age Gaetano Barresi - Section of Pathological Anatomy, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Mariacarla Moleti
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Francesco Vermiglio
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
- Interdepartmental Program on New Models of Multidisciplinary Management in Endocrinology, University Hospital, A.O.U. Policlinico G. Martino, Viale Gazzi, 98125, Messina, Italy
| | - Giovanni Tuccari
- Department of Human Pathology of Adult and Evolutive Age Gaetano Barresi - Section of Pathological Anatomy, University of Messina, Viale Gazzi, 98125, Messina, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Viale Gazzi, 98125, Messina, Italy
- Master Program on Childhood, Adolescent and Women's Endocrine Health, University of Messina, Viale Gazzi, 98125, Messina, Italy
- Interdepartmental Program of Molecular & Clinical Endocrinology and Women's Endocrine Health, University Hospital, A.O.U. Policlinico G. Martino, Viale Gazzi, 98125, Messina, Italy
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Henriquez AR, House JS, Snow SJ, Miller CN, Schladweiler MC, Fisher A, Ren H, Valdez M, Kodavanti PR, Kodavanti UP. Ozone-induced dysregulation of neuroendocrine axes requires adrenal-derived stress hormones. Toxicol Sci 2019; 172:38-50. [PMID: 31397875 PMCID: PMC9344225 DOI: 10.1093/toxsci/kfz182] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/02/2019] [Accepted: 07/18/2019] [Indexed: 12/14/2022] Open
Abstract
Acute ozone inhalation increases circulating stress hormones through activation of the sympathetic-adrenal-medullary and hypothalamic-pituitary-adrenal axes. Adrenalectomized (AD) rats have attenuated ozone-induced lung responses. We hypothesized that ozone exposure will induce changes in circulating pituitary-derived hormones and global gene expression in the brainstem and hypothalamus, and that AD will ameliorate these effects. Male Wistar-Kyoto rats (13-weeks) that underwent sham-surgery (SHAM) or AD were exposed to ozone (0.8-ppm) or filtered-air for 4-hours. In SHAM rats, ozone exposure decreased circulating thyroid-stimulating hormone (TSH), prolactin (PRL), and luteinizing hormone (LH). AD prevented reductions in TSH and PRL, but not LH. AD increased ACTH ∼5-fold in both air and ozone-exposed rats. AD in air-exposed rats resulted in few significant transcriptional differences in the brainstem and hypothalamus (∼20 genes per tissue). By contrast, ozone-exposure in SHAM rats resulted in increases and decreases in expression of hundreds of genes in brainstem and hypothalamus relative to air-exposed SHAM rats (303 and 568 genes, respectively). Differentially expressed genes from ozone exposure were enriched for pathways involving hedgehog signaling, responses to alpha-interferon, hypoxia, and mTORC1, among others. Gene changes in both brain areas were analogous to those altered by corticosteroids and L-dopa, suggesting a role for endogenous glucocorticoids and catecholamines. AD completely prevented this ozone-induced transcriptional response. These findings show that short-term ozone inhalation promotes a shift in brainstem and hypothalamic gene expression that is dependent on the presence of circulating adrenal-derived stress hormones. This is likely to have profound downstream influence on systemic effects of ozone.
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Affiliation(s)
- Andres R Henriquez
- Oak Ridge Institute for Science and Education, Research Triangle Park, NC, United States
| | - John S House
- Bioinformatics Research Center, North Carolina State University, Raleigh, NC, United States.,Center for Human Health and the Environment, North Carolina State University, Raleigh, NC, United States
| | - Samantha J Snow
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States.,ICF, Durham, NC, United States
| | - Colette N Miller
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Mette C Schladweiler
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Anna Fisher
- Research Cores Unit, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Hongzu Ren
- Research Cores Unit, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Matthew Valdez
- Oak Ridge Institute for Science and Education, Research Triangle Park, NC, United States
| | - Prasada R Kodavanti
- Toxicity Assessment Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Urmila P Kodavanti
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, United States
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Choi L, Kwak MY, Kwak EH, Kim DH, Han EY, Roh T, Bae JY, Ahn IY, Jung JY, Kwon MJ, Jang DE, Lim SK, Kwack SJ, Han SY, Kang TS, Kim SH, Kim HS, Lee BM. Comparative nephrotoxicitiy induced by melamine, cyanuric acid, or a mixture of both chemicals in either Sprague-Dawley rats or renal cell lines. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2010; 73:1407-1419. [PMID: 20954068 DOI: 10.1080/15287394.2010.511540] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Acute nephrotoxicities of melamine (MEL), cyanuric acid (CA), and a mixture of both melamine and cyanuric acid (MC) were comparatively investigated in male Sprague-Dawley rats at 5 doses each with 10-fold dose interval as follows: MEL at 0.0315, 0.315, 3.15, 31.5, and 315 mg/kg; CA at 0.025, 0.25, 2.5, 25, and 250 mg/kg, and MC: [1×: (0.0315 + 0.025), 10×: (0.315 + 0.25), 100×: (3.15 + 2.5), 1000×: (31.5 + 25), and (315 + 250) mg/kg]. No marked adverse effects in renal function were observed in animals treated with MEL alone or CA alone, but evidence related to nephrotoxicity was noted in rats administered MC. Renal calculi and increased kidney weights were found in rats 7 d after daily oral administration of MC. Blood urea nitrogen (BUN) and creatinine were significantly elevated in the high dose MC groups at 100× or 1000×. In addition, elevated numbers of white blood cells (WBC), neutrophils, and lymphocytes in vivo and increased levels of prostaglandin E(2) (PGE(2)) in vitro were found in the MC group. Based on these data, the NOAEL (no-observed-adverse-effect level) for nephrotoxicity for MC was estimated to be 3.15 mg/kg body weight (bw)/d (MEL) plus 2.5 mg/kg bw/d (CA). If a safety factor of 1000 or more were applied to NOAEL, tolerable daily intake (TDI) would be 0.00315 and 0.0025 mg/kg/d or less for MEL and CA, respectively, which is far below the TDI of 0.2 mg/kg/d set by World Health Organization (WHO). In addition, in vitro cytotoxicity assays showed that the ACHN human renal adenocarcinoma cell line was more sensitive to MEL, CA, and MC than the MDCK canine kidney epithelial cell line. The 24-h half maximal inhibitory concentration (IC(50)) values for MEL (4792, 2792 μg/ml) were less than those of CA (9890, 6725 μg/ml, respectively) in MDCK and ACHN cell lines, suggesting that MEL may be more cytotoxic than CA. Furthermore, the 24-h IC(50) value for MC was found to be 208 μg/ml in ACHN cells. Data suggest that NOAELs based upon acute nephrotoxic parameters for MC were low, which might require further reassessment of the current TDI.
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Affiliation(s)
- Lan Choi
- Division of Toxicology, School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-Do, Korea
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