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Luo G, Jing Y, Yang J, Wang S, Xuekelaiti Z, Yao C, Gao Y, Chen H, Sun D, Li J, Zhang X. The influence of gender-specific factors influencing severe anxiety in psychotic major depression: role of thyroid hormones and depression severity. J Neural Transm (Vienna) 2024; 131:833-845. [PMID: 38693463 DOI: 10.1007/s00702-024-02781-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 04/23/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND Psychotic major depression (PMD) is characterized by major depressive disorder (MDD) accompanied by delusions or hallucinations. While the prevalence of PMD and its association with anxiety have been studied, gender-specific differences and the role of thyroid hormones in PMD-related anxiety remain less explored. METHODS A total of 1718 first-episode and drug-naïve MDD patients was assessed for the presence of PMD and severe anxiety. Clinical assessments, including Hamilton Depression Rating Scale (HAMD), Hamilton Anxiety Rating Scale (HAMA), Positive and Negative Syndrome Scale (PANSS), and Clinical Global Impressions-Severity (CGI-S) scale, were conducted to assess depression, anxiety, psychotic symptoms, and clinical severity, respectively. Blood samples were collected to measure thyroid function parameters. RESULTS The prevalence of severe anxiety was higher in PMD patients compared to non-psychotic MDD patients (71.3% vs. 5.3%). No significant gender differences were observed in the prevalence of severe anxiety among PMD patients. However, elevated thyroid-stimulating hormone (TSH) levels and increased depression severity (HAMD scores) were identified as independent risk factors for severe anxiety in female PMD patients. In contrast, no significant risk factors were found in male PMD patients. The area under the receiver operating characteristic (AUCROC) analysis revealed that the HAMD score and TSH level showed acceptable discriminatory capacity for distinguishing between female PMD patients with and without severe anxiety. CONCLUSION This study highlights the heightened prevalence of severe anxiety in PMD patients, with TSH levels and depression severity emerging as gender-specific risk factors for anxiety in females. These findings suggest the importance of thyroid hormone assessment and tailored interventions for managing anxiety in female PMD patients.
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Affiliation(s)
- Guoshuai Luo
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Yifan Jing
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Jie Yang
- The Third Central Hospital of Tianjin, 83 Jintang Road, Hedong District, Tianjin, 300170, China
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin, China
- Artificial Cell Engineering Technology Research Center, Tianjin, China
- Tianjin Institute of Hepatobiliary Disease, Tianjin, China
| | - Shuo Wang
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Zaimina Xuekelaiti
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Cong Yao
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Ying Gao
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China
| | - Hongli Chen
- State Key Laboratory of Separation Membrane and Membrane Process, Tiangong University, Tianjin, 300387, China
| | - Daliang Sun
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China.
| | - Jie Li
- Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, 13 Liulin Road, Tianjin, 300222, China.
| | - Xiangyang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Beijing, 100101, China.
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Bennett SN, Chang AB, Rogers FD, Jones P, Peña CJ. Thyroid hormones mediate the impact of early-life stress on ventral tegmental area gene expression and behavior. Horm Behav 2024; 159:105472. [PMID: 38141539 PMCID: PMC10922504 DOI: 10.1016/j.yhbeh.2023.105472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/17/2023] [Accepted: 12/12/2023] [Indexed: 12/25/2023]
Abstract
Proper thyroid function is essential to the developing brain, including dopamine neuron differentiation, growth, and maintenance. Stress across the lifespan impacts thyroid hormone signaling and anxiety disorders and depression have been associated with thyroid dysfunction (both hypo- and hyper-active). However, less is known about how stress during postnatal development impacts thyroid function and related brain development. Our previous work in mice demonstrated that early-life stress (ELS) transiently impinged on expression of a transcription factor in dopamine neurons, Otx2, shown to be regulated by thyroid hormones. We hypothesized that thyroid hormone signaling may link experience of ELS with transcriptional dysregulation within the dopaminergic midbrain, and ultimately behavior. Here, we find that ELS transiently increases thyroid-stimulating hormone levels (inversely related to thyroid signaling) in both male and female mice at P21, an effect which recovers by adolescence. We next tested whether transient treatment of ELS mice with synthetic thyroid hormone (levothyroxine, LT4) could ameliorate the impact of ELS on sensitivity to future stress, and on expression of genes related to dopamine neuron development and maintenance, thyroid signaling, and plasticity within the ventral tegmental area. Among male mice, but not females, juvenile LT4 treatment prevented hypersensitivity to adult stress. We also found that rescuing developmental deficits in thyroid hormone signaling after ELS restored levels of some genes altered directly by ELS, and prevented alterations in expression of other genes sensitive to the second hit of adult stress. These findings suggest that thyroid signaling mediates the deleterious impact of ELS on VTA development, and that temporary treatment of hypothyroidism after ELS may be sufficient to prevent future stress hypersensitivity.
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Affiliation(s)
| | - Austin B Chang
- Princeton Neuroscience Institute, Princeton University, USA
| | - Forrest D Rogers
- Princeton Neuroscience Institute, Princeton University, USA; Department of Molecular Biology, Princeton University, USA
| | - Parker Jones
- Princeton Neuroscience Institute, Princeton University, USA
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3
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Akkaya EC, Koc B, Dalkiran B, Calis G, Dayi A, Kayatekin BM. High-intensity interval training ameliorates spatial and recognition memory impairments, reduces hippocampal TNF-alpha levels, and amyloid-beta peptide load in male hypothyroid rats. Behav Brain Res 2024; 458:114752. [PMID: 37944564 DOI: 10.1016/j.bbr.2023.114752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Thyroid hormones are critical for healthy brain functions at every stage of life. Hypothyroidism can cause severe cognitive dysfunction in patients who do not receive adequate treatment. Although thyroid hormone replacement alleviates cognitive decline in hypothyroid patients, there are studies showing that there is no complete recovery. The aim of this study was to investigate the effects of high-intensity interval training (HIIT) in hypothyroid rats on spatial and recognition memory, neuroinflammation, amyloid-beta load and compare these effects with T3 replacement. Hypothyroidism was induced and maintained by administration of 6-n-propyl-2-thiouracil (PTU) with their drinking water to 6-weeks-old male Sprague-Dawley rats for 7 weeks. The animals exercised in the treadmill according to the HIIT protocol for four weeks. T3 was injected intraperitoneally daily during the last two weeks of the study. All animals performed in the elevated plus maze test, Morris water maze test, novel object recognition test, and rotarod motor performance test in the last week of the study and then the animals were sacrificed. Amyloid beta (1-42) and TNFα levels were measured in the prefrontal cortex and hippocampus by ELISA. Anxiety-like behaviors did not significantly differ between groups. T3 replacement with or without HIIT increased motor performance in PTU-treated rats. HIIT and/or T3 replacement increased the exercise performance. HIIT and/or T3 replacement alleviated spatial and recognition memory impairments and normalized TNFα and amyloid-beta levels in the hippocampus in hypothyroid rats. In summary, regular physical exercise may have potential benefits in preserving cognitive functions in hypothyroid patients.
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Affiliation(s)
- Erhan Caner Akkaya
- Dokuz Eylul University, Department of Physiology, School of Medicine, Izmir, Turkey.
| | - Basar Koc
- Dokuz Eylul University, Department of Physiology, School of Medicine, Izmir, Turkey
| | - Bahar Dalkiran
- Dokuz Eylul University, Department of Physiology, Institute of Health Sciences, Izmir, Turkey
| | - Guner Calis
- Dokuz Eylul University, Department of Physiology, School of Medicine, Izmir, Turkey
| | - Ayfer Dayi
- Dokuz Eylul University, Department of Physiology, School of Medicine, Izmir, Turkey
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4
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Sabatino L, Lapi D, Del Seppia C. Factors and Mechanisms of Thyroid Hormone Activity in the Brain: Possible Role in Recovery and Protection. Biomolecules 2024; 14:198. [PMID: 38397435 PMCID: PMC10886502 DOI: 10.3390/biom14020198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/29/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
Thyroid hormones (THs) are essential in normal brain development, and cognitive and emotional functions. THs act through a cascade of events including uptake by the target cells by specific cell membrane transporters, activation or inactivation by deiodinase enzymes, and interaction with nuclear thyroid hormone receptors. Several thyroid responsive genes have been described in the developing and in the adult brain and many studies have demonstrated a systemic or local reduction in TH availability in neurologic disease and after brain injury. In this review, the main factors and mechanisms associated with the THs in the normal and damaged brain will be evaluated in different regions and cellular contexts. Furthermore, the most common animal models used to study the role of THs in brain damage and cognitive impairment will be described and the use of THs as a potential recovery strategy from neuropathological conditions will be evaluated. Finally, particular attention will be given to the link observed between TH alterations and increased risk of Alzheimer's Disease (AD), the most prevalent neurodegenerative and dementing condition worldwide.
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Affiliation(s)
- Laura Sabatino
- Institute of Clinical Physiology, National Council of Research, Via Moruzzi 1, 56124 Pisa, Italy;
| | - Dominga Lapi
- Department of Biology, University of Pisa, 56127 Pisa, Italy;
| | - Cristina Del Seppia
- Institute of Clinical Physiology, National Council of Research, Via Moruzzi 1, 56124 Pisa, Italy;
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5
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Liang H, Wang JM, Wei XQ, Su XQ, Zhang BX. Thyroid function, renal function, and depression: an association study. Front Psychiatry 2023; 14:1182657. [PMID: 38179254 PMCID: PMC10765600 DOI: 10.3389/fpsyt.2023.1182657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 11/15/2023] [Indexed: 01/06/2024] Open
Abstract
Objective To investigate the correlations between thyroid function, renal function, and depression. Methods Clinical data of 67 patients with Major depressive disorder (MDD) and 36 healthy control subjects between 2018 and 2021 were collected to compare thyroid and renal function. Thyroid and renal functions of depressed patients were then correlated with the Hamilton Depression Rating Scale (HAMD) and the Hamilton Anxiety Rating Scale (HAMA).Spearman correlation analysis was used to find the correlation between renal function, thyroid function, and depression. A logistic regression was performed to find significant predictors of depression. Results Triiodothyronine protamine (T3), thyroxine (T4), free triiodothyronine protamine (FT3), uric acid, sodium, and anion gap were lower in the MDD group than in the control group (p < 0.05). Correlation analysis of thyroid function, renal function, and factor terms of HAMD in the MDD group suggested that diurnal variation, hopelessness, and depression level were positively correlated with thyrotropin (TSH) (p < 0.05). Cognitive disturbance, retardation, and depression level were negatively correlated with creatinine (p < 0.05). Diurnal variation was negatively correlated with sodium ion (p < 0.01); hopelessness and depression level were positively correlated with chloride ion (p < 0.05); diurnal variation, retardation, and depression level were negatively correlated with anion gap (p < 0.05). Diurnal variation (p < 0.01) and retardation (p < 0.05) were negatively correlated with osmolality. Cognitive disturbance and depression level were positively correlated with estimated glomerular filtration rate (eGFR) (p < 0.05). In the MDD group, correlation analysis of thyroid function, renal function, and HAMA factor terms suggested that the total HAMA score and anxiety level were positively correlated with chloride ion (p < 0.05); psychic anxiety, total HAMA score, and anxiety level were negatively correlated with anion gap (p < 0.05). Furthermore, a low level of anion gap was an independent risk factor for depression and anxiety levels (p < 0.05). Conclusion Low thyroid function and reduced waste metabolized by the kidneys in patients with MDD suggest a low intake and low metabolism in depressed patients. In addition, subtle fluctuations in the anion gap in depressed patients were strongly correlated with the degree of depression and anxiety.
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Affiliation(s)
- Hai Liang
- Department of Neurology, The Second People’s Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Department of Neurology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Jin-min Wang
- Department of Neurology, The Second People’s Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Xiao-qian Wei
- Department of Integrative Medicine and Psychiatry, Xiamen Xianyue Hospital, Xiamen, China
| | - Xiao-qin Su
- Department of Neurology, The Second People’s Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Bi-xia Zhang
- Department of Neurology, Minhou Country Hospital, Fuzhou, China
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Sun QM, Zhang S, Xu YH, Ma J, Zhang YT, Zhang XY. Depression severity partially mediates the association between thyroid function and psychotic symptoms in first-episode, drug-naive major depressive disorder patients with comorbid anxiety at different ages of onset. J Affect Disord 2023; 339:342-347. [PMID: 37437726 DOI: 10.1016/j.jad.2023.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 06/06/2023] [Accepted: 07/08/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND Anxiety and psychotic symptoms are common in patients with major depressive disorder (MDD), with a strong association with thyroid function. Age of onset contributes to the heterogeneity of MDD patients. This study aimed to assess the prevalence of psychotic symptoms in MDD patients with comorbid anxiety and to explore the relationship between thyroid function and psychotic symptoms by ages of onset. METHODS A total of 894 first-episode, drug-naïve Chinese Han MDD patients with comorbid anxiety were recruited. Thyroid function and psychometric measures including Hamilton Anxiety Scale, Hamilton Depression Scale, and Positive and Negative Syndrome Scale were evaluated. Patients were divided into early adulthood onset (EAO, < 45 years old) and mid-adulthood onset (MAO, ≥ 45 years old) groups. RESULTS The MAO subgroup had a higher prevalence of psychotic symptoms compared to EAO subgroup. TSH and TPOAb levels were positively correlated with psychotic symptoms severity, with a more pronounced effect in MAO subgroup. Furthermore, MDD severity partially mediated the effects of TPOAb and TSH levels on psychotic symptoms in both subgroups. LIMITATIONS A causal relationship could not be demonstrated with this cross-sectional study, and the results should be limited to first-episode, drug-naïve MDD patients without considering more potential confounders. Moreover, the male-to-female ratio imbalance is present. CONCLUSIONS Our results indicated that age of onset moderated the association between thyroid function and psychotic symptom, and depression severity partially mediated the effects of thyroid function on psychotic symptoms, suggesting thyroid function may serve as a biomarker of psychotic symptoms in MDD patients with anxiety.
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Affiliation(s)
- Qi-Meng Sun
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Mental Hospital, Xinxiang, China
| | - Sen Zhang
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Mental Hospital, Xinxiang, China
| | - Ya-Hui Xu
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Mental Hospital, Xinxiang, China
| | - Jun Ma
- Department of Psychiatry, Wuhan Mental Health Center, Wuhan, China
| | | | - Xiang-Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.
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7
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Rutigliano G, Bertolini A, Grittani N, Frascarelli S, Carnicelli V, Ippolito C, Moscato S, Mattii L, Kusmic C, Saba A, Origlia N, Zucchi R. Effect of Combined Levothyroxine (L-T 4) and 3-Iodothyronamine (T 1AM) Supplementation on Memory and Adult Hippocampal Neurogenesis in a Mouse Model of Hypothyroidism. Int J Mol Sci 2023; 24:13845. [PMID: 37762153 PMCID: PMC10530993 DOI: 10.3390/ijms241813845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/30/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Mood alterations, anxiety, and cognitive impairments associated with adult-onset hypothyroidism often persist despite replacement treatment. In rodent models of hypothyroidism, replacement does not bring 3-iodothyronamine (T1AM) brain levels back to normal. T1AM is a thyroid hormone derivative with cognitive effects. Using a pharmacological hypothyroid mouse model, we investigated whether augmenting levothyroxine (L-T4) with T1AM improves behavioural correlates of depression, anxiety, and memory and has an effect on hippocampal neurogenesis. Hypothyroid mice showed impaired performance in the novel object recognition test as compared to euthyroid mice (discrimination index (DI): 0.02 ± 0.09 vs. 0.29 ± 0.06; t = 2.515, p = 0.02). L-T4 and L-T4+T1AM rescued memory (DI: 0.27 ± 0.08 and 0.34 ± 0.08, respectively), while T1AM had no effect (DI: -0.01 ± 0.10). Hypothyroidism reduced the number of neuroprogenitors in hippocampal neurogenic niches by 20%. L-T4 rescued the number of neuroprogenitors (mean diff = 106.9 ± 21.40, t = 4.99, pcorr = 0.003), while L-T4+T1AM produced a 30.61% rebound relative to euthyroid state (mean diff = 141.6 ± 31.91, t = 4.44, pcorr = 0.004). We performed qPCR analysis of 88 genes involved in neurotrophic signalling pathways and found an effect of treatment on the expression of Ngf, Kdr, Kit, L1cam, Ntf3, Mapk3, and Neurog2. Our data confirm that L-T4 is necessary and sufficient for recovering memory and hippocampal neurogenesis deficits associated with hypothyroidism, while we found no evidence to support the role of non-canonical TH signalling.
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Affiliation(s)
- Grazia Rutigliano
- Institute of Clinical Science, Imperial College London, London SW7 2AZ, UK
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
- CNR Institute of Clinical Physiology, 56124 Pisa, Italy;
| | - Andrea Bertolini
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
| | - Nicoletta Grittani
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
| | - Sabina Frascarelli
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
| | - Vittoria Carnicelli
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
| | - Chiara Ippolito
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (C.I.); (S.M.); (L.M.)
| | - Stefania Moscato
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (C.I.); (S.M.); (L.M.)
| | - Letizia Mattii
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (C.I.); (S.M.); (L.M.)
| | - Claudia Kusmic
- CNR Institute of Clinical Physiology, 56124 Pisa, Italy;
| | - Alessandro Saba
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
| | | | - Riccardo Zucchi
- Department of Pathology, University of Pisa, 56126 Pisa, Italy; (A.B.); (N.G.); (S.F.); (V.C.); (A.S.); (R.Z.)
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8
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Bennett SN, Chang AB, Rogers FD, Jones P, Peña CJ. Thyroid hormones mediate the impact of early-life stress on ventral tegmental area gene expression and behavior. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.25.554785. [PMID: 37662236 PMCID: PMC10473690 DOI: 10.1101/2023.08.25.554785] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Proper thyroid function is essential to the developing brain, including dopamine neuron differentiation, growth, and maintenance. Stress across the lifespan impacts thyroid hormone signaling and anxiety disorders and depression have been associated with thyroid dysfunction (both hypo- and hyper-active). However, less is known about how stress during postnatal development impacts thyroid function and related brain development. Our previous work in mice demonstrated that early-life stress (ELS) transiently impinged on expression of a transcription factor in dopamine neurons shown to be regulated by thyroid hormones. We hypothesized that thyroid hormone signaling may link experience of ELS with transcriptional dysregulation within the dopaminergic midbrain, and ultimately behavior. Here, we find that ELS transiently increases thyroid-stimulating hormone levels (inversely related to thyroid signaling) in both male and female mice at P21, an effect which recovers by adolescence. We next tested whether transient treatment of ELS mice with synthetic thyroid hormone (levothyroxine, LT4) could ameliorate the impact of ELS on sensitivity to future stress, and on expression of genes related to dopamine neuron development and maintenance, thyroid signaling, and plasticity within the ventral tegmental area. Among male mice, but not females, juvenile LT4 treatment prevented hypersensitivity to adult stress. We also found that rescuing developmental deficits in thyroid hormone signaling after ELS restored levels of some genes altered directly by ELS, and prevented alterations in expression of other genes sensitive to the second hit of adult stress. These findings suggest that thyroid signaling mediates the deleterious impact of ELS on VTA development, and that temporary treatment of hypothyroidism after ELS may be sufficient to prevent future stress hypersensitivity.
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9
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Yang R, Du X, Li Z, Zhao X, Lyu X, Ye G, Lu X, Zhang G, Li C, Yue Y, Wu Y, Peng R, Zhou Y, Wang H, Wu S, Ganapathi PB, Wu HE, Zhang X. Association of Subclinical Hypothyroidism With Anxiety Symptom in Young First-Episode and Drug-Naïve Patients With Major Depressive Disorder. Front Psychiatry 2022; 13:920723. [PMID: 35815037 PMCID: PMC9263214 DOI: 10.3389/fpsyt.2022.920723] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 06/06/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUNDS Subclinical hypothyroidism (SCH) was reported to be associated with depression; however, its role in coexisting anxiety symptom in young patients with major depressive disorder (MDD) remains unclear. The objective of this study was to explore the relationship between SCH and anxiety symptom in young first-episode and drug-naïve (FEDN) MDD patients. METHODS A total of 520 outpatients diagnosed as FEDN MDD with SCH were recruited in this study. Their socio-demographic, clinical data and thyroid function parameters were collected. The Hamilton Anxiety Rating Scale (HAMA) and the Hamilton Depression Rating Scale (HAMD) were employed to measure the severity of anxiety symptom and depressive symptom, respectively. Based on the HAMA scores, patients who scored ≥ 25 were defined as anxious major depressive disorder (A-MDD) while others as non-anxious major depressive disorder (NA-MDD). RESULTS The prevalence rate of A-MDD was 15.8% in young FEDN MDD patients with comorbid SCH. Moreover, serum thyroid stimulating hormone (TSH) levels were significantly higher in patients with A-MDD compared with those with NA-MDD (p < 0.001). Multivariate binary logistic regression analysis indicated that A-MDD was associated with serum TSH levels with an odds ratio (OR) of 1.602. Serum TSH level of 6.17 mIU/L was the critical value to distinguish A-MDD and NA-MDD, with sensitivity of 0.805 and specificity of 0.539. There were no statistically significant differences between NA-MDD and A-MDD patients in terms of socio-demographic variables, serum free triiodothyronine (FT3), free thyroxine (FT4), thyroid peroxidases antibody (TPOAb) and anti-thyroglobulin (TgAb) levels. CONCLUSIONS A-MDD patients presented higher serum TSH level. It is suggested that serum TSH level may be a potential biomarker for predicting moderate and severe anxiety symptoms in young FEDN MDD patients with SCH.
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Affiliation(s)
- Ruchang Yang
- Suzhou Medical College of Soochow University, Suzhou, China.,Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Xiangdong Du
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Zhe Li
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Xueli Zhao
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Xiaoli Lyu
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Gang Ye
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Xinchuan Lu
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Guangya Zhang
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Chuanwei Li
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Yan Yue
- Suzhou Medical College of Soochow University, Suzhou, China.,Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Yuxuan Wu
- Suzhou Medical College of Soochow University, Suzhou, China.,Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Ruijie Peng
- Suzhou Medical College of Soochow University, Suzhou, China.,Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Yue Zhou
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China.,Xuzhou Medical University, Xuzhou, China
| | - Haitao Wang
- School Psychology and Mental Health, North China University of Science and Technology, Tangshan, China
| | - Siqi Wu
- Suzhou Guangji Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China.,School Psychology and Mental Health, North China University of Science and Technology, Tangshan, China
| | - Pallavi B Ganapathi
- Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Hanjing Emily Wu
- Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Xiangyang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
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10
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Taheri M, Afarinesh MR, Meftahi GH, Karimi A, Haghpanah T. Levothyroxine therapy attenuates anxiety-like states induced by mild chronically of neonatal hypothyroidism in both male and female rats. TOXIN REV 2021. [DOI: 10.1080/15569543.2020.1741642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Mahdieh Taheri
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Department of biology, Payame Noor University, Tehran, Iran
| | - Mohammad Reza Afarinesh
- Kerman Neuroscience Research Center, Institute of Neuropharmachology, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Akbar Karimi
- Department of biology, Payame Noor University, Tehran, Iran
| | - Tahereh Haghpanah
- Department of anatomy, School of medicine, Kerman University of Medical Sciences, Kerman, Iran
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11
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Rudolf AM, Wu Q, Li L, Wang J, Huang Y, Togo J, Liechti C, Li M, Niu C, Nie Y, Wei F, Speakman JR. A single nucleotide mutation in the dual-oxidase 2 ( DUOX2) gene causes some of the panda's unique metabolic phenotypes. Natl Sci Rev 2021; 9:nwab125. [PMID: 35251670 PMCID: PMC8890364 DOI: 10.1093/nsr/nwab125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 04/11/2021] [Accepted: 06/10/2021] [Indexed: 12/25/2022] Open
Abstract
The giant panda (Ailuropoda melanoleuca) is an iconic bear native to China, famous for eating almost exclusively bamboo. This unusual dietary behavior for a carnivore is enabled by several key adaptations including low physical activity, reduced organ sizes and hypothyroidism leading to lowered energy expenditure. These adaptive phenotypes have been hypothesized to arise from a panda-unique single-nucleotide mutation in the dual-oxidase 2 (DUOX2) gene, involved in thyroid hormone synthesis. To test this hypothesis, we created genome-edited mice carrying the same point mutation as the panda and investigated its effect on metabolic phenotype. Homozygous mice were 27% smaller than heterozygous and wild-type ones, had 13% lower body mass-adjusted food intake, 55% decreased physical activity, lower mass of kidneys (11%) and brain (5%), lower serum thyroxine (T4: 36%), decreased absolute (12%) and mass-adjusted (5%) daily energy expenditure, and altered gut microbiota. Supplementation with T4 reversed the effects of the mutation. This work uses a state-of-the-art genome editing approach to demonstrate the link between a single-nucleotide mutation in a key endocrine-related gene and profound adaptive changes in the metabolic phenotype, with great importance in ecology and evolution.
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Affiliation(s)
- Agata M Rudolf
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Qi Wu
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Li Li
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jun Wang
- Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yi Huang
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jacques Togo
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Christopher Liechti
- Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK
| | - Min Li
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Chaoqun Niu
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yonggang Nie
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Fuwen Wei
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Centre of Excellence for Animal Ecology and Genetics, Chinese Academy of Sciences, Kunming 650223, China
| | - John R Speakman
- State Key Laboratory of Molecular Development, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
- Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK
- Centre of Excellence for Animal Ecology and Genetics, Chinese Academy of Sciences, Kunming 650223, China
- Shenzhen Key Laboratory of Metabolic Health, Center for Energy Metabolism and Reproduction, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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12
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Martinez ME, Hernandez A. The Type 3 Deiodinase Is a Critical Modulator of Thyroid Hormone Sensitivity in the Fetal Brain. Front Neurosci 2021; 15:703730. [PMID: 34248495 PMCID: PMC8265566 DOI: 10.3389/fnins.2021.703730] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/01/2021] [Indexed: 11/13/2022] Open
Abstract
Thyroid hormones (TH) are critical for the development and function of the central nervous system (CNS). Although their effects on the rodent brain peak within 2-3 weeks postnatally, the fetal brain has been found largely insensitive to exogenously administrated TH. To address this issue, here we examined gene expression in brains from mouse fetuses deficient in the type 3 deiodinase (DIO3), the selenoenzyme responsible for clearing TH. At embryonic day E18.5 qPCR determinations indicated a marked increase in the mRNA expression of T3-responsive genes Klf9 and Nrgn. The increased expression of these genes was confirmed by in situ hydridization in multiple areas of the cortex and in the striatum. RNA sequencing revealed 246 genes differentially expressed (70% up-regulated) in the brain of E18.5 Dio3-/- male fetuses. Differential expression of 13 of these genes was confirmed in an extended set of samples that included females. Pathway analyses of differentially expressed genes indicated enrichment in glycolysis and signaling related to axonal guidance, synaptogenesis and hypoxia inducible factor alpha. Additional RNA sequencing identified 588 genes differentially expressed (35% up-regulated) in the brain of E13.5 Dio3-/- male fetuses. Differential expression of 13 of these genes, including Klf9, Hr, and Mgp, was confirmed in an extended set of samples including females. Although pathway analyses of differentially expressed genes at E13.5 also revealed significant enrichment in axonal guidance and synaptogenesis signaling, top enrichment was found for functions related to the cell cycle, aryl hydrocarbon receptor signaling, PCP and kinetochore metaphase signaling pathways and mitotic roles of polo-like kinase. Differential expression at E13.5 was confirmed by qPCR for additional genes related to collagen and extracellular matrix and for selected transcription factors. Overall, our results demonstrate that the rodent fetal brain is sensitive to TH as early as E13.5 of gestational age, and suggest that TH distinctly affects brain developmental programs in early and late gestation. We conclude that DIO3 function is critical to ensure an adequate timing for TH action in the developing brain and is probably the main factor underlying the lack of effects on the fetal brain observed in previous studies after TH administration.
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Affiliation(s)
- Maria Elena Martinez
- Center for Molecular Medicine, Maine Medical Center Research Institute, MaineHealth, Scarborough, ME, United States
| | - Arturo Hernandez
- Center for Molecular Medicine, Maine Medical Center Research Institute, MaineHealth, Scarborough, ME, United States.,Graduate School for Biomedical Science and Engineering, University of Maine, Orono, ME, United States.,Department of Medicine, Tufts University School of Medicine, Boston, MA, United States
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13
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Lacámara N, Lecumberri B, Barquiel B, Escribano A, González-Casado I, Álvarez-Escolá C, Aleixandre-Blanquer F, Morales F, Alfayate R, Bernal-Soriano MC, Miralles R, Yildirim Simsir I, Özgen AG, Bernal J, Berbel P, Moreno JC. Identification of Resistance to Exogenous Thyroxine in Humans. Thyroid 2020; 30:1732-1744. [PMID: 32498666 DOI: 10.1089/thy.2019.0825] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Background: Thyroxine (T4) to triiodothyronine (T3) deiodination in the hypothalamus/pituitary is mediated by deiodinase type-2 (D2) activity. Dio2(-/-) mice show central resistance to exogenous T4. Patients with resistance to exogenous thyroxine (RETH) have not been described. The aim of this study was to identify hypothyroid patients with thyrotropin (TSH) unresponsiveness to levothyroxine (LT4) and to characterize the clinical, hormonal, and genetic features of human RETH. Methods: We investigated hypothyroid patients with elevated TSH under LT4 treatment at doses leading to clinical and/or biochemical hyperthyroidism. TSH and free T4 (fT4) were determined by chemiluminescence, and total T4, T3, and reverse T3 (rT3) by radioimmunoassay. TSH/fT4 ratio at inclusion and T3/T4, rT3/T4, and T3/rT3 ratios at follow-up were compared with those from patients with resistance to thyroid hormone (RTH) due to thyroid hormone receptor-β (THRB) mutations. DIO2, including the Ala92-D2 polymorphism, selenocysteine binding protein 2 (SECISBP2), and THRB were fully sequenced. Results: Eighteen hypothyroid patients (nine of each sex, 3-59 years) treated with LT4 showed elevated TSH (15.5 ± 4.7 mU/L; reference range [RR]: 0.4-4.5), fT4 (20.8 ± 2.4 pM; RR: 9-20.6), and TSH/fT4 ratio (0.74 ± 0.25; RR: 0.03-0.13). Despite increasing LT4 doses from 1.7 ± 1.0 to 2.4 ± 1.7 μg/kg/day, TSH remained elevated (6.9 ± 2.7 mU/L). Due to hyperthyroid symptoms, LT4 doses were reduced, and TSH increased again to 7.9 ± 3.2 mU/L. In the euthyroid/hyperthyrotropinemic state, T3/T4 and T3/rT3 ratios were decreased (9.2 ± 2.4, RR: 11.3-15.3 and 2.5 ± 1.4, RR: 7.5-8.5, respectively) whereas rT3/T4 was increased (0.6 ± 0.2; RR: 0.43-0.49), suggesting reduced T4 to T3 and increased T4 to rT3 conversion. These ratios were serum T4-independent and were not observed in RTH patients. Genetic testing was normal. The Ala92-D2 polymorphism was present in 7 of 18 patients, but the allele dose did not correlate with RETH. Conclusions: Human RETH is characterized by iatrogenic thyrotoxicosis and elevated TSH/fT4 ratio. In the euthyroid/hyperthyrotropinemic state, it is confirmed by decreased T3/T4 and T3/rT3 ratios, and elevated rT3/T4 ratio. This phenotype may guide clinicians to consider combined T4+T3 therapy in a targeted fashion. The absence of germline DIO2 mutations suggests that aberrant post-translational D2 modifications in pituitary/hypothalamus or defects in other genes regulating the T4 to T3 conversion pathway could be involved in RETH.
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Affiliation(s)
- Nerea Lacámara
- Thyroid Molecular Laboratory, Institute for Medical and Molecular Genetics (INGEMM), La Paz University Hospital, Autonomous University of Madrid, Madrid, Spain
- The Rare Diseases Networking Biomedical Research Centre (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | | | - Beatriz Barquiel
- Department of Endocrinology, La Paz University Hospital, Madrid, Spain
| | - Arancha Escribano
- Department of Pediatric Endocrinology, Virgen de la Arrixaca University Hospital, Murcia, Spain
| | | | | | | | - Francisco Morales
- Department of Endocrinology, Virgen Del Rocío University Hospital, Sevilla, Spain
| | - Rocío Alfayate
- Clinical Chemistry Department, Alicante University Hospital, Alicante, Spain
| | | | - Raquel Miralles
- Department of Endocrinology, Alicante University Hospital, Alicante, Spain
| | - Ilgin Yildirim Simsir
- Department of Endocrinology and Metabolism Disorders, Ege University Medical Faculty, Izmir, Turkey
| | - Ahmet Gökhan Özgen
- Department of Endocrinology and Metabolism Disorders, Ege University Medical Faculty, Izmir, Turkey
| | - Juan Bernal
- Department of Endocrine and Nervous System, Instituto de Investigaciones Biomédicas, CSIC, and CIBERER Instituto de Salud Carlos III, Madrid, Spain
| | - Pere Berbel
- Department of Histology and Anatomy, Faculty of Medicine, Universidad Miguel Hernández de Elche, Alicante, Spain
| | - Jose Carlos Moreno
- Thyroid Molecular Laboratory, Institute for Medical and Molecular Genetics (INGEMM), La Paz University Hospital, Autonomous University of Madrid, Madrid, Spain
- The Rare Diseases Networking Biomedical Research Centre (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
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14
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Niiyama T, Kuroiwa M, Yoshioka Y, Kitahara Y, Shuto T, Kakuma T, Ohta K, Nakamura KI, Nishi A, Noda M. Sex Differences in Dendritic Spine Formation in the Hippocampus and Animal Behaviors in a Mouse Model of Hyperthyroidism. Front Cell Neurosci 2020; 14:268. [PMID: 33192304 PMCID: PMC7533561 DOI: 10.3389/fncel.2020.00268] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 07/31/2020] [Indexed: 12/30/2022] Open
Abstract
Thyroid hormones are critical for the regulation of development and differentiation of neurons and glial cells in the central nervous system (CNS). We have previously reported the sex-dependent changes of glial morphology in the brain under the state of hyperthyroidism. Here, we examined sex-dependent changes in spine structure of granule neurons in the dentate gyrus of hippocampus in male and female mice with hyperthyroidism. Using FIB/SEM (focused ion beam/scanning electron microscopy), three-dimensional reconstructed structures of dendritic spines in dentate granule cells were analyzed. Dendritic spine density in granule cells increased significantly in both male and female mice with hyperthyroidism. The decrease in spine volume was observed only in female mice. These findings suggest that hyperthyroidism induces the formation of spines with normal size in male mice but the formation of spines with small size in female mice. To evaluate an outcome of neuronal and previously observed glial changes, behavioral tests were performed. Male mice with hyperthyroidism showed increased locomotor activity in the open field test, while female mice showed elevated immobility time in the tail suspension test, reflecting depression-like behavior. Although direct link between changes in spine and behavioral modifications requires further analysis, our results may help to understand gender-dependent neurological and psychological symptoms observed in patients with hyperthyroidism.
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Affiliation(s)
- Tetsushi Niiyama
- Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Mahomi Kuroiwa
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Yusaku Yoshioka
- Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yosuke Kitahara
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Takahide Shuto
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | | | - Keisuke Ohta
- Department of Anatomy, Kurume University School of Medicine, Kurume, Japan
| | | | - Akinori Nishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Mami Noda
- Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
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15
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Zhang J, Liu H, Li J, Lou L, Zhang S, Feng D, Feng X. Exposure to deltamethrin in adolescent mice induced thyroid dysfunction and behavioral disorders. CHEMOSPHERE 2020; 241:125118. [PMID: 31683416 DOI: 10.1016/j.chemosphere.2019.125118] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/10/2019] [Accepted: 10/12/2019] [Indexed: 06/10/2023]
Abstract
Deltamethrin (DM) has become one of the most widely used insecticides in the world due to its low toxicity, high efficiency and low persistence in soil. However, it is still unknown whether DM exposure has any effects on the Hypothalamic-Pituitary-Thyroid (HPT) axis in adolescent mice. In this study, the open field test and circadian activity test showed that DM exposure increased activity. There was no significant difference between the groups in the light/dark box test and nest building test. Forced swimming test showed that after 6 and 12 mg kg-1 DM exposure 28 days, the immobility time was increased and the swimming time was reduced. After 6 mg kg-1 DM treatment, the thyroid stimulating hormone (TSH) content increased, and thyrotropin releasing hormone (TRH), triiodothyronine (T3) and thyroxine (T4) decreased. After exposure to 6 and 12 mg kg-1 DM, mRNA levels of HPT axis-related genes were destroyed. The histological examination showed that, the DM groups mice thyroid tissues appeared expanded thyroid follicles, scanty colloid and hyperplastic thyroid cells. Western blot results showed that the expression level of tyrosine hydroxylase (TH) protein decreased and the content of dopamine transporter (DAT) protein increased in DM treated mice striatum. Collectively, our results indicated that DM exposure could induce thyroid dysfunction and behavioral disorders in adolescent mice.
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Affiliation(s)
- Jingwen Zhang
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China; Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin, 300350, China
| | - Haoyue Liu
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Jiangning Li
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Lixiang Lou
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Shaozhi Zhang
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Daofu Feng
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, 300052, China.
| | - Xizeng Feng
- The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China; Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin, 300350, China.
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16
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Kerp H, Engels K, Kramer F, Doycheva D, Sebastian Hönes G, Zwanziger D, Christian Moeller L, Heuer H, Führer D. Age effect on thyroid hormone brain response in male mice. Endocrine 2019; 66:596-606. [PMID: 31494803 DOI: 10.1007/s12020-019-02078-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/29/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE Thyroid hormones (TH) are important for brain development and central nervous system (CNS) function. Disturbances of thyroid function occur with higher prevalence in the ageing population and may negatively impact brain function. METHODS We investigated the age impact on behavior in young adult and old male mice (5 vs. 20 months) with chronic hypo- or hyper-thyroidism as well as in sham-treated controls. Expression of TH transporters and TH responsive genes was studied in CNS and pituitary by in situ hybridization and qRT-PCR, whereas TH serum concentrations were determined by immunoassay. RESULTS Serum TH levels were lower in old compared with young hyperthyroid mice, suggesting a milder hyperthyroid phenotype in the aged group. Likewise, elevated plus maze activity was reduced in old hyperthyroid animals. Under hypothyroid conditions, thyroxine serum concentrations did not differ in young and old mice. Both groups showed a comparable decline in activity and elevated anxiety levels. However, an attenuated increase in hypothalamic thyrotropin releasing hormone and pituitary thyroid stimulating hormone transcript expression was found in old hypothyroid mice. Brain expression of monocarboxylate transporter 8 and organic anion transporting polypeptide 1c1 was not affected by age or TH status. CONCLUSIONS In summary, ageing attenuates neurological phenotypes in hyperthyroid but not hypothyroid mice, which fits with age effects on TH serum levels in the animals. In contrast no changes in TH transporter expression were found in aged mouse brains with hyper- or hypo-thyroid state.
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Affiliation(s)
- Helena Kerp
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
| | - Kathrin Engels
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
| | - Frederike Kramer
- Leibniz Institute on Aging/Fritz Lipmann Institute (FLI), 07745, Jena, Germany
| | - Denica Doycheva
- Leibniz Institute on Aging/Fritz Lipmann Institute (FLI), 07745, Jena, Germany
| | - Georg Sebastian Hönes
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
| | - Denise Zwanziger
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
| | - Lars Christian Moeller
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
| | - Heike Heuer
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany
- Leibniz Institute on Aging/Fritz Lipmann Institute (FLI), 07745, Jena, Germany
| | - Dagmar Führer
- Department of Endocrinology, Diabetes and Metabolism, University of Duisburg-Essen, 45122, Essen, Germany.
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17
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López-Noriega L, Capilla-González V, Cobo-Vuilleumier N, Martin-Vazquez E, Lorenzo PI, Martinez-Force E, Soriano-Navarro M, García-Fernández M, Romero-Zerbo SY, Bermúdez-Silva FJ, Díaz-Contreras I, Sánchez-Cuesta A, Santos-Ocaña C, Hmadcha A, Soria B, Martín F, Gauthier BR, Martin-Montalvo A. Inadequate control of thyroid hormones sensitizes to hepatocarcinogenesis and unhealthy aging. Aging (Albany NY) 2019; 11:7746-7779. [PMID: 31518338 PMCID: PMC6781991 DOI: 10.18632/aging.102285] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 09/05/2019] [Indexed: 12/15/2022]
Abstract
An inverse correlation between thyroid hormone levels and longevity has been reported in several species and reduced thyroid hormone levels have been proposed as a biomarker for healthy aging and metabolic fitness. However, hypothyroidism is a medical condition associated with compromised health and reduced life expectancy. Herein, we show, using wild-type and the Pax8 ablated model of hypothyroidism in mice, that hyperthyroidism and severe hypothyroidism are associated with an overall unhealthy status and shorter lifespan. Mild hypothyroid Pax8 +/- mice were heavier and displayed insulin resistance, hepatic steatosis and increased prevalence of liver cancer yet had normal lifespan. These pathophysiological conditions were precipitated by hepatic mitochondrial dysfunction and oxidative damage accumulation. These findings indicate that individuals carrying mutations on PAX8 may be susceptible to develop liver cancer and/or diabetes and raise concerns regarding the development of interventions aiming to modulate thyroid hormones to promote healthy aging or lifespan in mammals.
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Affiliation(s)
- Livia López-Noriega
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | - Vivian Capilla-González
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | - Nadia Cobo-Vuilleumier
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | - Eugenia Martin-Vazquez
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | - Petra Isabel Lorenzo
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
| | | | | | - María García-Fernández
- Department of Human Physiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - Silvana Yanina Romero-Zerbo
- Instituto de Investigación Biomédica de Málaga-IBIMA, UGC Endocrinología y Nutrición. Hospital Regional Universitario de Málaga, Málaga, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco Javier Bermúdez-Silva
- Instituto de Investigación Biomédica de Málaga-IBIMA, UGC Endocrinología y Nutrición. Hospital Regional Universitario de Málaga, Málaga, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Irene Díaz-Contreras
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Ana Sánchez-Cuesta
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide and CIBERER, Sevilla, Spain
| | - Carlos Santos-Ocaña
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide and CIBERER, Sevilla, Spain
| | - Abdelkrim Hmadcha
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Bernat Soria
- Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain.,Deptartment of Physiology, University Miguel Hernández School of Medicine Sant Joan d'Alacant, Alicante, Spain
| | - Franz Martín
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Benoit Raymond Gauthier
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain.,Biomedical Research Network on Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain
| | - Alejandro Martin-Montalvo
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine-CABIMER, Junta de Andalucia-University of Pablo de Olavide-University of Seville-CSIC, Seville, Spain
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18
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Menezes EC, Santos PR, Goes TC, Carvalho VCB, Teixeira-Silva F, Stevens HE, Badauê-Passos DJ. Effects of a rat model of gestational hypothyroidism on forebrain dopaminergic, GABAergic, and serotonergic systems and related behaviors. Behav Brain Res 2019; 366:77-87. [PMID: 30898681 DOI: 10.1016/j.bbr.2019.03.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 03/02/2019] [Accepted: 03/15/2019] [Indexed: 12/22/2022]
Abstract
We investigated the effects of maternal hypothyroidism on forebrain dopaminergic, GABAergic, and serotonergic systems and related behavior in adult rat offspring. Experimental gestational hypothyroidism (EGH) was induced by administering 0.02% methimazole (MMI) to pregnant rats from gestational day 9 to delivery. Neurotransmitter-related protein and gene expression were evaluated in offspring forebrain at postnatal day (P) 120. Exploratory behavior, contextual fear conditioning, locomotion, and 30-day reserpine Parkinson induction were assessed from P75-P120. Protein and gene expression assessments of medial prefrontal cortex showed group differences in dopaminergic, GABAergic, and serotonergic receptors, catabolic enzymes, and transporters. Striatum of MMI offspring showed an isolated decrease in the dopaminergic enzyme, tyrosine hydroxylase. MMI exposure increased GABA and dopamine receptor expression in amygdala. MMI offspring also had decreased state anxiety and poor contextual fear conditioning. We found that baseline locomotion was not changed, but reserpine treatment significantly reduced locomotion only in MMI offspring. Our results indicated that restriction of maternal thyroid hormones reduced dopaminergic, GABAergic, and serotoninergic forebrain components in offspring. Tyrosine hydroxylase deficiency in the striatum may underlie enhanced reserpine induction of Parkinson-like movement in these same offspring. Deficits across different neurotransmitter systems in medial prefrontal cortex and amygdala may underlie decreased state anxiety-like behavior and reduced fear conditioning in offspring, but no changes in trait anxiety-like behavior occurred with maternal MMI exposure. These findings strongly support the hypothesis that adequate delivery of maternal thyroid hormones to the fetus is crucial to the development of the central nervous system critical for emotion and motor regulation.
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Affiliation(s)
- Edênia Cunha Menezes
- Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, 49100-000, São Cristóvão, Brazil
| | - Patrícia Rabelo Santos
- Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, 49100-000, São Cristóvão, Brazil
| | - Tiago Costa Goes
- Departamento de Educação em Saúde, Campus Prof. Antônio Garcia Filho, Universidade Federal de Sergipe, 49400-000, Lagarto, Brazil
| | - Vanessa Cibelle Barboza Carvalho
- Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, 49100-000, São Cristóvão, Brazil
| | - Flávia Teixeira-Silva
- Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, 49100-000, São Cristóvão, Brazil
| | - Hanna E Stevens
- Psychiatry Department, Iowa Neuroscience Institute, University of Iowa College of Medicine, 69 Newton Rd, Iowa City, IA, United States.
| | - Daniel Jr Badauê-Passos
- Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, 49100-000, São Cristóvão, Brazil
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19
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Khairinisa MA, Takatsuru Y, Amano I, Kokubo M, Haijima A, Miyazaki W, Koibuchi N. In Utero and Postnatal Propylthiouracil-Induced Mild Hypothyroidism Impairs Maternal Behavior in Mice. Front Endocrinol (Lausanne) 2018; 9:228. [PMID: 29867761 PMCID: PMC5960672 DOI: 10.3389/fendo.2018.00228] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 04/20/2018] [Indexed: 12/26/2022] Open
Abstract
Thyroid hormones (THs) play crucial roles in general and brain development. Even if the hypothyroidism is mild, it may alter brain function, resulting in irreversible behavioral alterations. Although various behavioral analyses have been conducted, the effects of propylthiouracil (PTU) treatment during in utero and postnatal periods on maternal behavior have not yet been studied. The present study examined in mice whether THs insufficiency during development induce behavioral changes. Pregnant C57BL/6j mice were divided into three groups, and each group was administered different dosages of PTU (0, 5, or 50 ppm) in drinking water during in utero and postnatal periods (from gestational day 14 to postnatal day 21). First, locomotor activity and cognitive function were assessed in the offspring at 10 weeks. Next, female offspring were mated with normal mice and they and their offspring were used to assess several aspects of maternal behavior (identifying first pup, returning all pups to nest, time spent nursing, and licking pups). As expected, locomotor and cognitive functions in these mice were disrupted in a PTU dose-dependent manner. On postpartum day 2, dams who had been exposed 50 ppm PTU during in utero and postnatal periods displayed a significantly longer time identifying the first pup and returning all three pups back to the nest, less time nursing, and decreased licking behavior. The decrease in maternal behavior was significantly correlated with a decrease in cognition. These results indicate that insufficiency of THs during in utero and postnatal periods impairs maternal behavior, which may be partly induced by impaired cognitive function.
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Affiliation(s)
- Miski Aghnia Khairinisa
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
- Department of Pharmacology and Clinical Pharmacy, Universitas Padjadjaran, Bandung, Indonesia
| | - Yusuke Takatsuru
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Izuki Amano
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Michifumi Kokubo
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Asahi Haijima
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Wataru Miyazaki
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, Maebashi, Japan
- *Correspondence: Noriyuki Koibuchi,
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20
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López-Noriega L, Cobo-Vuilleumier N, Narbona-Pérez ÁJ, Araujo-Garrido JL, Lorenzo PI, Mellado-Gil JM, Moreno JC, Gauthier BR, Martín-Montalvo A. Levothyroxine enhances glucose clearance and blunts the onset of experimental type 1 diabetes mellitus in mice. Br J Pharmacol 2017; 174:3795-3810. [PMID: 28800677 DOI: 10.1111/bph.13975] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 06/26/2017] [Accepted: 07/27/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE Thyroid hormones induce several changes in whole body metabolism that are known to improve metabolic homeostasis. However, adverse side effects have prevented its use in the clinic. In view of the promising effects of thyroid hormones, we investigated the effects of levothyroxine supplementation on glucose homeostasis. EXPERIMENTAL APPROACH C57BL/6 mice were treated with levothyroxine from birth to 24 weeks of age, when mice were killed. The effects of levothyroxine supplementation on metabolic health were determined. C57BL/6 mice treated with levothyroxine for 2 weeks and then challenged with streptozotocin to monitor survival. Mechanistic experiments were conducted in the pancreas, liver and skeletal muscle. RIP-B7.1 mice were treated with levothyroxine for 2 weeks and were subsequently immunized to trigger experimental autoimmune diabetes (EAD). Metabolic tests were performed. Mice were killed and metabolic tissues were extracted for immunohistological analyses. KEY RESULTS Long-term levothyroxine supplementation enhanced glucose clearance and reduced circulating glucose in C57BL/6 mice. Levothyroxine increased simultaneously the proliferation and apoptosis of pancreatic beta cells, promoting the maintenance of a highly insulin-expressing beta cell population. Levothyroxine increased circulating insulin levels, inducing sustained activation of IRS1-AKT signalling in insulin-target tissues. Levothyroxine-treated C57BL/6 mice challenged with streptozotocin exhibited extended survival. Levothyroxine blunted the onset of EAD in RIP-B7.1 mice by inducing beta cell proliferation and preservation of insulin-expressing cells. CONCLUSIONS AND IMPLICATIONS Interventions based on the use of thyroid hormones or thyromimetics could be explored to provide therapeutic benefit in patients with type 1 diabetes mellitus.
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Affiliation(s)
- Livia López-Noriega
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - Nadia Cobo-Vuilleumier
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - Álvaro Jesús Narbona-Pérez
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - Juan Luis Araujo-Garrido
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - Petra Isabel Lorenzo
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - José Manuel Mellado-Gil
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - José Carlos Moreno
- Thyroid Molecular Laboratory, Institute for Medical and Molecular Genetics (INGEMM), La Paz University Hospital, Autonomous University of Madrid, Madrid, Spain
| | - Benoit R Gauthier
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
| | - Alejandro Martín-Montalvo
- Pancreatic Islet Development and Regeneration Unit/Laboratory of Aging Biology, Centro Andaluz de Biologı́a Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, Seville, Spain
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21
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Yu D, Zhou H, Zou L, Jiang Y, Wu X, Jiang L, Zhou Q, Yang Y, Xu L, Mao R. Hippocampal Administration of Levothyroxine Impairs Contextual Fear Memory Consolidation in Rats. Front Cell Neurosci 2017; 11:223. [PMID: 28824379 PMCID: PMC5534464 DOI: 10.3389/fncel.2017.00223] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 07/13/2017] [Indexed: 12/17/2022] Open
Abstract
Thyroid hormone (TH) receptors are highly distributed in the hippocampus, which plays a vital role in memory processes. However, how THs are involved in the different stages of memory process is little known. Herein, we used hippocampus dependent contextual fear conditioning to address the effects of hippocampal THs on the different stages of fear memory. First, we found that a single systemic levothyroxine (LT4) administration increased the level of free triiodothyronine (FT3) and free tetraiodothyroxine (FT4) not only in serum but also in hippocampus. In addition, a single systemic LT4 administration immediately after fear conditioning significantly impaired fear memory. These results indicated the important role of hippocampal THs in fear memory process. To further confirm the effects of hippocampal THs on the different stages of fear memory, LT4 (0.4 μg/μl, 1 μl/side) was injected bilaterally into hippocampus. Rats given LT4 into hippocampus before training or tests had no effect on the acquisition or retrieval of fear memory, however rats given LT4 into hippocampus either immediately or 2 h after training showed being significantly impaired fear memory, which demonstrated LT4 administration into hippocampus impairs the consolidation but has no effect on the acquisition and retrieval of fear memory. Furthermore, hippocampal injection of LT4 did not affect rats’ locomotor activity, thigmotaxis and THs level in prefrontal cortex (PFC) and serum. These findings may have important implications for understanding mechanisms underlying contribution of THs to memory disorders.
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Affiliation(s)
- Dafu Yu
- Department of Nuclear Medicine, First People's Hospital of Yunnan ProvinceKunming, China.,Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
| | - Heng Zhou
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China.,School of Life Sciences, University of Science and Technology of ChinaHefei, China
| | - Lin Zou
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical UniversityChongqing, China
| | - Yong Jiang
- Department of Nuclear Medicine, First People's Hospital of Yunnan ProvinceKunming, China
| | - Xiaoqun Wu
- Respiratory Department, First People's Hospital of Yunnan ProvinceKunming, China
| | - Lizhu Jiang
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China.,Department of Neuropsychopathy, Clinical Medical School, Dali UniversityDali, China
| | - Qixin Zhou
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
| | - Yuexiong Yang
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
| | - Lin Xu
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
| | - Rongrong Mao
- Laboratory of Learning and Memory, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
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22
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Fadlalla MB, Wei Q, Fedail JS, Mehfooz A, Mao D, Shi F. Effects of hyper- and hypothyroidism on the development and proliferation of testicular cells in prepubertal rats. Anim Sci J 2017; 88:1943-1954. [DOI: 10.1111/asj.12883] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 06/22/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Mohamed Babo Fadlalla
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Quanwei Wei
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Jaafar Sulieman Fedail
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Asif Mehfooz
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Dagan Mao
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Fangxiong Shi
- Laboratory of Animal Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
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23
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Stohn JP, Martinez ME, Zafer M, López-Espíndola D, Keyes LM, Hernandez A. Increased aggression and lack of maternal behavior in Dio3-deficient mice are associated with abnormalities in oxytocin and vasopressin systems. GENES BRAIN AND BEHAVIOR 2017; 17:23-35. [PMID: 28715127 DOI: 10.1111/gbb.12400] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 07/03/2017] [Accepted: 07/12/2017] [Indexed: 12/17/2022]
Abstract
Thyroid hormones regulate many aspects of brain development and function, and alterations in the levels of thyroid hormone action lead to abnormal anxiety- and depression-like behaviors. A complement of factors in the brain function independently of circulating levels of hormone to strictly controlled local thyroid hormone signaling. A critical factor is the type 3 deiodinase (DIO3), which is located in neurons and protects the brain from excessive thyroid hormone. Here, we examined whether a local increase in brain thyroid hormone action secondary to DIO3 deficiency is of consequence for social behaviors. Although we did not observe alterations in sociability, Dio3-/- mice of both sexes exhibited a significant increase in aggression-related behaviors and mild deficits in olfactory function. In addition, 85% of Dio3-/- dams manifested no pup-retrieval behavior and increased aggression toward the newborns. The abnormal social behaviors of Dio3-/- mice were associated with sexually dimorphic alterations in the physiology of oxytocin (OXT) and arginine vasopressin (AVP), 2 neuropeptides with important roles in determining social interactions. These alterations included low adult serum levels of OXT and AVP, and an abnormal expression of Oxt, Avp and their receptors in the neonatal and adult hypothalamus. Our results demonstrate that DIO3 is essential for normal aggression and maternal behaviors, and indicate that abnormal local regulation of thyroid hormone action in the brain may contribute to the social deficits associated with neurodevelopmental disorders.
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Affiliation(s)
- J P Stohn
- Maine Medical Center Research Institute, Center for Molecular Medicine, Scarborough, ME, USA
| | - M E Martinez
- Maine Medical Center Research Institute, Center for Molecular Medicine, Scarborough, ME, USA
| | - M Zafer
- Department of Medicine, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
| | - D López-Espíndola
- Maine Medical Center Research Institute, Center for Molecular Medicine, Scarborough, ME, USA
| | - L M Keyes
- Department of Medicine, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
| | - A Hernandez
- Maine Medical Center Research Institute, Center for Molecular Medicine, Scarborough, ME, USA
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24
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Mehfooz A, Wei Q, Fadlalla MB, Siyal FA, Dhama K, Mao D, Shi F. Impaired Growth Performance and Testicular Cells Apoptosis Following Restraint Stress in Adult Hypothyroid Mice. INT J PHARMACOL 2017. [DOI: 10.3923/ijp.2017.541.551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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25
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Noda M. Thyroid Hormone in the CNS: Contribution of Neuron-Glia Interaction. VITAMINS AND HORMONES 2017; 106:313-331. [PMID: 29407440 DOI: 10.1016/bs.vh.2017.05.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The endocrine system and the central nervous system (CNS) are intimately linked. Among hormones closely related to the nervous system, thyroid hormones (THs) are critical for the regulation of development and differentiation of neurons and neuroglia and hence for development and function of the CNS. T3 (3,3',5-triiodothyronine), an active form of TH, is important not only for neuronal development but also for differentiation of astrocytes and oligodendrocytes, and for microglial development. In adult brain, T3 affects glial morphology with sex- and age-dependent manner and therefore may affect their function, leading to influence on neuron-glia interaction. T3 is an important signaling factor that affects microglial functions such as migration and phagocytosis via complex mechanisms. Therefore, dysfunction of THs may impair glial function as well as neuronal function and thus disturb the brain, which may cause mental disorders. Investigations on molecular and cellular basis of hyperthyroidism and hypothyroidism will help us to understand changes in neuron-glia interaction and therefore consequent psychiatric symptoms.
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Affiliation(s)
- Mami Noda
- Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
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26
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Raymaekers SR, Darras VM. Thyroid hormones and learning-associated neuroplasticity. Gen Comp Endocrinol 2017; 247:26-33. [PMID: 28390960 DOI: 10.1016/j.ygcen.2017.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 03/30/2017] [Accepted: 04/03/2017] [Indexed: 12/11/2022]
Abstract
Thyroid hormones (THs) are crucial for brain development and maturation in all vertebrates. Especially during pre- and perinatal development, disruption of TH signaling leads to a multitude of neurological deficits. Many animal models provided insight in the role of THs in brain development, but specific data on how they affect the brain's ability to learn and adapt depending on environmental stimuli are rather limited. In this review, we focus on a number of learning processes like spatial learning, fear conditioning, vocal learning and imprinting behavior and on how abnormal TH signaling during development shapes subsequent performance. It is clear from multiple studies that TH deprivation leads to defects in learning on all fronts, and interestingly, changes in local expression of the TH activator deiodinase type 2 seem to have an important role. Taking into account that THs are regulated in a very space-specific manner, there is thus increasing pressure to investigate more local TH regulators as potential factors involved in neuroplasticity. As these learning processes are also important for proper adult human functioning, further elucidating the role of THs in developmental neuroplasticity in various animal models is an important field for advancing both fundamental and applied knowledge on human brain function.
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Affiliation(s)
- Sander R Raymaekers
- Laboratory of Comparative Endocrinology, Biology Department, KU Leuven, Naamsestraat 61, 3000 Leuven, Belgium
| | - Veerle M Darras
- Laboratory of Comparative Endocrinology, Biology Department, KU Leuven, Naamsestraat 61, 3000 Leuven, Belgium.
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27
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Decreased anxiety- and depression-like behaviors and hyperactivity in a type 3 deiodinase-deficient mouse showing brain thyrotoxicosis and peripheral hypothyroidism. Psychoneuroendocrinology 2016; 74:46-56. [PMID: 27580013 PMCID: PMC5159228 DOI: 10.1016/j.psyneuen.2016.08.021] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 08/22/2016] [Accepted: 08/22/2016] [Indexed: 12/30/2022]
Abstract
Hypo- and hyperthyroid states, as well as functional abnormalities in the hypothalamic-pituitary-thyroid axis have been associated with psychiatric conditions like anxiety and depression. However, the nature of this relationship is poorly understood since it is difficult to ascertain the thyroid status of the brain in humans. Data from animal models indicate that the brain exhibits efficient homeostatic mechanisms that maintain local levels of the active thyroid hormone, triiodothyronine (T3) within a narrow range. To better understand the consequences of peripheral and central thyroid status for mood-related behaviors, we used a mouse model of type 3 deiodinase (DIO3) deficiency (Dio3 -/- mouse). This enzyme inactivates thyroid hormone and is highly expressed in the adult central nervous system. Adult Dio3 -/- mice exhibit elevated levels of T3-dependent gene expression in the brain, despite peripheral hypothyroidism as indicated by low circulating levels of thyroxine and T3. Dio3 -/- mice of both sexes exhibit hyperactivity and significantly decreased anxiety-like behavior, as measured by longer time spent in the open arms of the elevated plus maze and in the light area of the light/dark box. During the tail suspension, they stayed immobile for a significantly shorter time than their wild-type littermates, suggesting decreased depression-like behavior. These results indicate that increased thyroid hormone in the brain, not necessarily in peripheral tissues, correlates with hyperactivity and with decreases in anxiety and depression-like behaviors. Our results also underscore the importance of DIO3 as a determinant of behavior by locally regulating the brain levels of thyroid hormone.
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28
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Vasilopoulou CG, Constantinou C, Giannakopoulou D, Giompres P, Margarity M. Effect of adult onset hypothyroidism on behavioral parameters and acetylcholinesterase isoforms activity in specific brain regions of male mice. Physiol Behav 2016; 164:284-91. [DOI: 10.1016/j.physbeh.2016.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 06/13/2016] [Accepted: 06/14/2016] [Indexed: 01/02/2023]
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29
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Bocco BMLC, Werneck-de-Castro JP, Oliveira KC, Fernandes GW, Fonseca TL, Nascimento BPP, McAninch EA, Ricci E, Kvárta-Papp Z, Fekete C, Bernardi MM, Gereben B, Bianco AC, Ribeiro MO. Type 2 Deiodinase Disruption in Astrocytes Results in Anxiety-Depressive-Like Behavior in Male Mice. Endocrinology 2016; 157:3682-95. [PMID: 27501182 PMCID: PMC5007895 DOI: 10.1210/en.2016-1272] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 08/03/2016] [Indexed: 12/22/2022]
Abstract
Millions of levothyroxine-treated hypothyroid patients complain of impaired cognition despite normal TSH serum levels. This could reflect abnormalities in the type 2 deiodinase (D2)-mediated T4-to-T3 conversion, given their much greater dependence on the D2 pathway for T3 production. T3 normally reaches the brain directly from the circulation or is produced locally by D2 in astrocytes. Here we report that mice with astrocyte-specific Dio2 inactivation (Astro-D2KO) have normal serum T3 but exhibit anxiety-depression-like behavior as found in open field and elevated plus maze studies and when tested for depression using the tail-suspension and the forced-swimming tests. Remarkably, 4 weeks of daily treadmill exercise sessions eliminated this phenotype. Microarray gene expression profiling of the Astro-D2KO hippocampi identified an enrichment of three gene sets related to inflammation and impoverishment of three gene sets related to mitochondrial function and response to oxidative stress. Despite normal neurogenesis, the Astro-D2KO hippocampi exhibited decreased expression of four of six known to be positively regulated genes by T3, ie, Mbp (∼43%), Mag (∼34%), Hr (∼49%), and Aldh1a1 (∼61%) and increased expression of 3 of 12 genes negatively regulated by T3, ie, Dgkg (∼17%), Syce2 (∼26%), and Col6a1 (∼3-fold) by quantitative real-time PCR. Notably, in Astro-D2KO animals, there was also a reduction in mRNA levels of genes known to be affected in classical animal models of depression, ie, Bdnf (∼18%), Ntf3 (∼43%), Nmdar (∼26%), and GR (∼20%), which were also normalized by daily exercise sessions. These findings suggest that defects in Dio2 expression in the brain could result in mood and behavioral disorders.
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Affiliation(s)
- Barbara M L C Bocco
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - João Pedro Werneck-de-Castro
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Kelen C Oliveira
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Gustavo W Fernandes
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Tatiana L Fonseca
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Bruna P P Nascimento
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Elizabeth A McAninch
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Esther Ricci
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Zsuzsanna Kvárta-Papp
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Csaba Fekete
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Maria Martha Bernardi
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Balázs Gereben
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Antonio C Bianco
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
| | - Miriam O Ribeiro
- Division of Endocrinology and Metabolism (B.M.L.C.B., J.P.W.-d.C., G.W.F., T.L.F., E.A.M., A.C.B.), Rush University Medical Center, Chicago, Illinois 60612; Department of Translational Medicine (B.M.L.C.B., G.W.F., B.P.P.N.), Federal University of Sao Paulo, Sao Paulo SP, 04039-002, Brazil; Biophysics Institute and School of Physical Education and Sports (J.P.W.-d.C.), Federal University of Rio de Janeiro, RJ 21941-599, Brazil; Department of Clinic Endocrinology (K.C.O.), Federal University of Sao Paulo, Sao Paulo SP 04039-032, Brazil; Developmental Disorders Program (B.P.P.N., E.R., M.O.R.), Center of Biological Science and Health, Mackenzie Presbyterian University, Sao Paulo SP 01302-900 Brazil; Department of Endocrine Neurobiology (Z.K.-P., C.F., B.G.), Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest H-1083, Hungary; Department of Medicine (C.F.), Division of Endocrinology, Diabetes, and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts 02111; and Graduate Program of Environmental and Experimental Pathology (M.M.B.), Graduate Program of Dentistry, Universidade Paulista, Sao Paulo SP 04026-002, Brazil
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Rakov H, Engels K, Hönes GS, Strucksberg KH, Moeller LC, Köhrle J, Zwanziger D, Führer D. Sex-specific phenotypes of hyperthyroidism and hypothyroidism in mice. Biol Sex Differ 2016; 7:36. [PMID: 27559466 PMCID: PMC4995626 DOI: 10.1186/s13293-016-0089-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 08/10/2016] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Thyroid dysfunction is more common in the female population, however, the impact of sex on disease characteristics has rarely been addressed. Using a murine model, we asked whether sex has an influence on phenotypes, thyroid hormone status, and thyroid hormone tissue response in hyper- and hypothyroidism. METHODS Hypo- and hyperthyroidism were induced in 5-month-old female and male wildtype C57BL/6N mice, by LoI/MMI/ClO4 (-) or T4 i.p. treatment over 7 weeks, and control animals underwent sham treatment (N = 8 animals/sex/treatment). Animals were investigated for impact of sex on body weight, food and water intake, body temperature, heart rate, behaviour (locomotor activity, motor coordination, and strength), liver function, serum thyroid hormone status, and cellular TH effects on gene expression in brown adipose tissue, heart, and liver. RESULTS Male and female mice showed significant differences in behavioural, functional, metabolic, biochemical, and molecular traits of hyper- and hypothyroidism. Hyperthyroidism resulted in increased locomotor activity in female mice but decreased muscle strength and motor coordination preferably in male animals. Hypothyroidism led to increased water intake in male but not female mice and significantly higher serum cholesterol in male mice. Natural sex differences in body temperature, body weight gain, food and water intake were preserved under hyperthyroid conditions. In contrast, natural sex differences in heart rate disappeared with TH excess and deprivation. The variations of hyper- or hypothyroid traits of male and female mice were not explained by classical T3/T4 serum state. TH serum concentrations were significantly increased in female mice under hyperthyroidism, but no sex differences were found under eu- or hypothyroid conditions. Interestingly, analysis of expression of TH target genes and TH transporters revealed little sex dependency in heart, while sex differences in target genes were present in liver and brown adipose tissue in line with altered functional and metabolic traits of hyper- and hypothyroidism. CONCLUSIONS These data demonstrate that the phenotypes of hypo- and hyperthyroidism differ between male and female mice and indicate that sex is an important modifier of phenotypic manifestations.
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Affiliation(s)
- Helena Rakov
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
| | - Kathrin Engels
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
| | - Georg Sebastian Hönes
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
| | - Karl-Heinz Strucksberg
- Charité-Universitätsmedizin Berlin, Institute of Experimental Endocrinology, 13353 Berlin, Germany
| | - Lars Christian Moeller
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
| | - Josef Köhrle
- Charité-Universitätsmedizin Berlin, Institute of Experimental Endocrinology, 13353 Berlin, Germany
| | - Denise Zwanziger
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
| | - Dagmar Führer
- Division of Laboratory Research Department of Endocrinology and Metabolism, Clinical Chemistry, University Hospital Essen, University Duisburg-Essen, 45122 Essen, Germany
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Hatanaka Y, Wada K, Kabuta T. Maternal high-fat diet leads to persistent synaptic instability in mouse offspring via oxidative stress during lactation. Neurochem Int 2016; 97:99-108. [DOI: 10.1016/j.neuint.2016.03.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 01/05/2016] [Accepted: 03/07/2016] [Indexed: 01/12/2023]
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Wilsterman K, Buck CL, Barnes BM, Williams CT. Energy regulation in context: Free-living female arctic ground squirrels modulate the relationship between thyroid hormones and activity among life history stages. Horm Behav 2015; 75:111-9. [PMID: 26416501 DOI: 10.1016/j.yhbeh.2015.09.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 09/13/2015] [Accepted: 09/22/2015] [Indexed: 11/16/2022]
Abstract
Thyroid hormones (THs), key regulators of lipid and carbohydrate metabolism, are likely modulators of energy allocation within and among animal life history stages. Despite their role in modulating metabolism, few studies have investigated whether THs vary among life history stages in free-living animals or if they exhibit stage-specific relationships to total energy expenditure and activity levels. We measured plasma total triiodothyronine (tT3) and thyroxine (tT4) at four, discrete life history stages of female arctic ground squirrels from two different populations in northern Alaska to test whether plasma THs correlate with life history stage-specific changes in metabolic rate and energy demand. We also tested whether THs explained individual variation in aboveground activity levels within life history stages. T3 peaked during lactation and was lowest during pre-hibernation fattening, consistent with known changes in basal metabolism and core body temperature. In contrast, T4 was elevated shortly after terminating hibernation but remained low and stable across other life-history stages in the active season. THs were consistently higher in the population that spent more time above-ground but the relationship between THs and activity varied among life history stages. T3 was positively correlated with activity only during lactation (r(2)=0.50) whereas T4 was positively correlated with activity immediately following lactation (r(2)=0.48) and during fattening (r(2)=0.53). Our results support the hypothesis that THs are an important modulator of basal metabolism but also suggest that the relationship between THs and activity varies among life history stages.
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Affiliation(s)
- Kathryn Wilsterman
- Department of Integrative Biology, University of California Berkeley, Berkeley, CA 94704, USA.
| | - C Loren Buck
- Center for Bioengineering Innovation and Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
| | - Brian M Barnes
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
| | - Cory T Williams
- Center for Bioengineering Innovation and Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
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Karlsson AC, Svemer F, Eriksson J, Darras VM, Andersson L, Jensen P. The Effect of a Mutation in the Thyroid Stimulating Hormone Receptor (TSHR) on Development, Behaviour and TH Levels in Domesticated Chickens. PLoS One 2015; 10:e0129040. [PMID: 26053744 PMCID: PMC4460094 DOI: 10.1371/journal.pone.0129040] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 05/03/2015] [Indexed: 12/17/2022] Open
Abstract
The thyroid stimulating hormone receptor (TSHR) has been suggested to be a “domestication locus” in the chicken, due to a strong selective sweep over the gene found in domesticated chickens, differentiating them from their wild ancestor the Red Junglefowl (RJF). We investigated the effect of the mutation on development (incubation time), behaviour and thyroid hormone levels in intercross chickens homozygous for the mutation (d/d), wild type homozygotes (w/w) or heterozygotes (d/w). This allowed an assessment of the effect of genotype at this locus against a random mix of RJF and WL genotypes throughout the rest of the genome, controlling for family effects. The d/d genotype showed a longer incubation time, less fearful behaviours, lower number of aggressive behaviours and decreased levels of the thyroid hormone T4, in comparison to the w/w genotype. The difference between TSHR genotypes (d/d vs. w/w) in these respects mirrors the differences in development and behaviour between pure domesticated White Leghorns and pure RJF chickens. Higher individual T3 and T4 levels were associated with more aggression. Our study indicates that the TSHR mutation affects typical domestication traits, possibly through modifying plasma levels of thyroid hormones, and may therefore have been important during the evolution of the domestic chicken.
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Affiliation(s)
- Anna-Carin Karlsson
- IFM Biology, Division of Zoology, Linköping University, SE-581 83 Linköping Sweden
| | - Frida Svemer
- IFM Biology, Division of Zoology, Linköping University, SE-581 83 Linköping Sweden
| | - Jonas Eriksson
- Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden
| | - Veerle M. Darras
- Laboratory of Comparative Endocrinology, Department of Biology, Division of Animal Physiology and Neurobiology, KU Leuven, B-3000 Leuven, Belgium
| | - Leif Andersson
- Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden
| | - Per Jensen
- IFM Biology, Division of Zoology, Linköping University, SE-581 83 Linköping Sweden
- * E-mail:
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Tsymbaliuk I, Unukovych D, Shvets N, Dinets A. Cardiovascular complications secondary to Graves' disease: a prospective study from Ukraine. PLoS One 2015; 10:e0122388. [PMID: 25803030 PMCID: PMC4372210 DOI: 10.1371/journal.pone.0122388] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 02/21/2015] [Indexed: 12/26/2022] Open
Abstract
Background Graves’ disease (GD) is a common cause of hyperthyroidism resulting in development of thyrotoxic heart disease (THD). Objectives to assess cardiovascular disorders and health related quality of life (HRQoL) in patients with THD secondary to GD. Patients and Methods All patients diagnosed with THD secondary to GD between January 2011 and December 2013 were eligible for this study. Clinical assessment was performed at baseline and at the follow-up visit after the restoring of euthyroid state. HRQoL was studied with a questionnaire EQ-5D-5L. Results Follow-up data were available for 61 patients, but only 30 patients with THD secondary to GD were consented to participate in investigation of their HRQoL. The frequency of cardiovascular complications was significantly reduced as compared before and after the antithyroid therapy as follows: resting heart rate (122 vs. 74 bpm), blood pressure: systolic (155 vs. 123 mm Hg), diastolic (83 vs. 66 mm Hg), supraventricular premature contractions (71% vs. 7%), atrial fibrillation (72% vs. 25%), congestive heart failure (69% vs. 20%), thyrotoxic cardiomyopathy (77% vs. 26%), all p<0.01. Anti-TSH receptor antibodies were determined as independent predictor of left ventricular geometry changes, (b-coefficient = 0.04, 95%CI 0.01–0.07, p = 0.02). HRQoL was improved in all domains and self-rated health increased from 43 to 75 units by visual analogue score (p<0.001). Conclusions Restoring of euthyroid state in patients with GD is associated with significant elimination of cardiovascular disorders and improvement of HRQoL. To our knowledge this is the first study evaluating Ukrainian patients with THD secondary to GD with focus on HRQoL.
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Affiliation(s)
- Iryna Tsymbaliuk
- Department of Therapy, Shupyk National Medical Academy of Postgraduate Education, 04112 Kiev, Ukraine
- Department of Functional Diagnostic, Kyiv City Teaching Endocrinological Center, 01034 Kiev, Ukraine
| | - Dmytro Unukovych
- Department of Surgery #4, Bogomolets National Medical University, 01601 Kiev, Ukraine
- Department of Oncology-Pathology, Karolinska Institutet, 17176 Stockholm, Sweden
| | - Nataliia Shvets
- Department of Therapy, Shupyk National Medical Academy of Postgraduate Education, 04112 Kiev, Ukraine
- Department of Functional Diagnostic, Kyiv City Teaching Endocrinological Center, 01034 Kiev, Ukraine
| | - Andrii Dinets
- Department of Surgery #4, Bogomolets National Medical University, 01601 Kiev, Ukraine
- Department of Oncology-Pathology, Karolinska Institutet, 17176 Stockholm, Sweden
- * E-mail:
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Yi J, Zheng JY, Zhang W, Wang S, Yang ZF, Dou KF. Decreased pain threshold and enhanced synaptic transmission in the anterior cingulate cortex of experimental hypothyroidism mice. Mol Pain 2014; 10:38. [PMID: 24943008 PMCID: PMC4072477 DOI: 10.1186/1744-8069-10-38] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 06/09/2014] [Indexed: 11/10/2022] Open
Abstract
Background Thyroid hormones are essential for the maturation and functions of the central nervous system. Pain sensitivity is related to the thyroid status. However, information on how thyroid hormones affect pain processing and synaptic transmission in the anterior cingulate cortex (ACC) is limited. Nociceptive threshold and synaptic transmission in the ACC were detected in the experimental hypothyroidism (HT) mice. Results HT was induced by methimazole and potassium perchlorate in distilled drinking water for 4 weeks. The threshold of pain perception to hot insults, but not mechanical ones, decreased in hypothyroid mice. After treatment with tri-iodothyronine (T3) or thyroxine (T4) for 2 weeks, thermal pain threshold recovered. Electrophysiological recordings revealed enhanced glutamatergic synaptic transmission and reduced GABAergic synaptic transmission in the ACC. Supplementation with T3 or T4 significantly rescued this synaptic transmission imbalance. In the same model, HT caused the up-regulation of the GluR1 subunit of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor and NR2B-containing N-methyl-D-aspartate receptors, but it down-regulated γ-aminobutyric acid A receptors in the ACC. Supplementation with T3 or T4 notably recovered the levels of above proteins. Conclusions These results suggest that HT promotes hypersensitivity to noxious thermal, and that supplementation with T3 or T4 rescues the imbalance between excitatory and inhibitory transmission in the ACC.
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Affiliation(s)
| | | | | | | | - Zhi-fu Yang
- Department of General Surgery, Xijing Hospital; The Fourth Military Medical University, Xi'an 710032, China.
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Reverte I, Pujol A, Domingo JL, Colomina MT. Thyroid hormones and fear learning but not anxiety are affected in adult apoE transgenic mice exposed postnatally to decabromodiphenyl ether (BDE-209). Physiol Behav 2014; 133:81-91. [DOI: 10.1016/j.physbeh.2014.05.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 04/14/2014] [Accepted: 05/14/2014] [Indexed: 02/06/2023]
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