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Salari N, Fattahi N, Abdolmaleki A, Heidarian P, Shohaimi S, Mohammadi M. The global prevalence of sexual dysfunction in men with thyroid gland disorders: a systematic review and meta-analysis. J Diabetes Metab Disord 2024; 23:395-403. [PMID: 38932831 PMCID: PMC11196554 DOI: 10.1007/s40200-024-01408-4] [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: 12/18/2023] [Accepted: 02/21/2024] [Indexed: 06/28/2024]
Abstract
Introduction fluctuation in serum levels of thyroid hormones or thyroid-associated dysfunction can negatively affect the sexual behaviors or performance, and disruption in couples` relationship or satisfaction. Thus, this systematic review and meta-analysis study was aimed to investigate the global prevalence of sexual dysfunction in men with thyroid gland disorders (TGD). Methods this systematic review and meta-analysis study conducted based on PRISMA statement criteria regarding the available evidences representing the prevalence of sexual dysfunction in men with TGD. The initial searching process was applied on July, 2023. In this era, the main keywords of "Prevalence", "Sexual disorders", "Sexual disorder", "Sexual dysfunction", "Male sexual dysfunction", "Erectile dysfunction", "Males", "Men", "Thyroid disorders", "Thyroid diseases", "Hyperthyroidism", "Thyroid", and "Thyroiditis" were hired. Also, "AND" and "OR" operators were used for keywords combination. All intended studies were searched using the databases of Web of Science, Google Scholar, Scopus, ScienceDirect, PubMed, and Embase. Random effects model was used to perform the analysis and the heterogeneity of the studies was assessed through I2 index. Data analysis was applied with CMA software (v.2). Results following the assessment of 17 eligible studies with a sample size of 501 individuals, the global prevalence of male sexual dysfunction with TGD was found 51.5% (95% CI:38.7-64). Also, the prevalence of male sexual dysfunction in hypothyroidism and hyperthyroidism cases was 59.1% (95% CI:37.2-77.8) and 41.5% (95% CI:25.9-59.1), respectively. The meta-regression analysis showed that following incremental trend in sample size, the global prevalence of male sexual dysfunction with TGD decreases. This assessment also revealed that the prevalence of male sexual dysfunction increases with the year of study conduction, significantly (p < 0.05). Conclusion the global prevalence of sexual dysfunction in men with TGD was found relatively high. also, the highest prevalence of sexual disorders was reported in hypothyroid cases. Thus, health policymakers are suggested to inform the individuals prone to this pathology regarding the negative effects of TGD on sexual dysfunction. Besides, TGD-affected cases can prevent sexual disorders and unpleasant consequences through timely medical treatments.
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Affiliation(s)
- Nader Salari
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Fattahi
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amir Abdolmaleki
- Department of Operating Room, Nahavand School of Allied Medical Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Pegah Heidarian
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shamarina Shohaimi
- Department of Biology, Faculty of Science, University Putra Malaysia, Serdang, Selangor Malaysia
| | - Masoud Mohammadi
- Cellular and Molecular Research Center, Gerash University of Medical Sciences, Gerash, Iran
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Tesfaye E, Getnet M, Anmut Bitew D, Adugna DG, Maru L. Brain functional connectivity in hyperthyroid patients: systematic review. Front Neurosci 2024; 18:1383355. [PMID: 38726033 PMCID: PMC11080614 DOI: 10.3389/fnins.2024.1383355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/05/2024] [Indexed: 05/12/2024] Open
Abstract
Introduction Functional connectivity (FC) is the correlation between brain regions' activities, studied through neuroimaging techniques like fMRI. It helps researchers understand brain function, organization, and dysfunction. Hyperthyroidism, characterized by high serum levels of free thyroxin and suppressed thyroid stimulating hormone, can lead to mood disturbance, cognitive impairment, and psychiatric symptoms. Excessive thyroid hormone exposure can enhance neuronal death and decrease brain volume, affecting memory, attention, emotion, vision, and motor planning. Methods We conducted thorough searches across Google Scholar, PubMed, Hinari, and Science Direct to locate pertinent articles containing original data investigating FC measures in individuals diagnosed with hyperthyroidism. Results The systematic review identified 762 articles, excluding duplicates and non-matching titles and abstracts. Four full-text articles were included in this review. In conclusion, a strong bilateral hippocampal connection in hyperthyroid individuals suggests a possible neurobiological influence on brain networks that may affect cognitive and emotional processing. Systematic Review Registration PROSPERO, CRD42024516216.
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Affiliation(s)
- Ephrem Tesfaye
- Department of Biomedical Sciences, Madda Walabu University Goba Referral Hospital, Bale-Robe, Ethiopia
| | - Mihret Getnet
- Department of Human Physiology, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
- Department of Epidemiology and Biostatistics, Institute of Public Health, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
| | - Desalegn Anmut Bitew
- Department of Reproductive Health, Institute of Public Health, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
| | - Dagnew Getnet Adugna
- Department of Anatomy, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
| | - Lemlemu Maru
- Department of Human Physiology, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
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Kim DK, Choi H, Lee W, Choi H, Hong SB, Jeong JH, Han J, Han JW, Ryu H, Kim JI, Mook-Jung I. Brain hypothyroidism silences the immune response of microglia in Alzheimer's disease animal model. SCIENCE ADVANCES 2024; 10:eadi1863. [PMID: 38489366 PMCID: PMC10942107 DOI: 10.1126/sciadv.adi1863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 02/12/2024] [Indexed: 03/17/2024]
Abstract
Thyroid hormone (TH) imbalance is linked to the pathophysiology of reversible dementia and Alzheimer's disease (AD). It is unclear whether tissue hypothyroidism occurs in the AD brain and how it affects on AD pathology. We find that decreased iodothyronine deiodinase 2 is correlated with hippocampal hypothyroidism in early AD model mice before TH alterations in the blood. TH deficiency leads to spontaneous activation of microglia in wild-type mice under nonstimulated conditions, resulting in lowered innate immune responses of microglia in response to inflammatory stimuli or amyloid-β. In AD model mice, TH deficiency aggravates AD pathology by reducing the disease-associated microglia population and microglial phagocytosis. We find that TH deficiency reduces microglial ecto-5'-nucleotidase (CD73) and inhibition of CD73 leads to impaired innate immune responses in microglia. Our findings reveal that TH shapes microglial responses to inflammatory stimuli including amyloid-β, and brain hypothyroidism in early AD model mice aggravates AD pathology by microglial dysfunction.
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Affiliation(s)
- Dong Kyu Kim
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - Hyunjung Choi
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Korea
| | - Woochan Lee
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
| | - Hayoung Choi
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - Seok Beom Hong
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - June-Hyun Jeong
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - Jihui Han
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - Jong Won Han
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
| | - Hoon Ryu
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul, Korea
| | - Jong-Il Kim
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
| | - Inhee Mook-Jung
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
- Convergence Dementia Research Center, College of Medicine, Seoul National University, Seoul, Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Korea
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Davidson TL, Stevenson RJ. Vulnerability of the Hippocampus to Insults: Links to Blood-Brain Barrier Dysfunction. Int J Mol Sci 2024; 25:1991. [PMID: 38396670 PMCID: PMC10888241 DOI: 10.3390/ijms25041991] [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: 01/03/2024] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
The hippocampus is a critical brain substrate for learning and memory; events that harm the hippocampus can seriously impair mental and behavioral functioning. Hippocampal pathophysiologies have been identified as potential causes and effects of a remarkably diverse array of medical diseases, psychological disorders, and environmental sources of damage. It may be that the hippocampus is more vulnerable than other brain areas to insults that are related to these conditions. One purpose of this review is to assess the vulnerability of the hippocampus to the most prevalent types of insults in multiple biomedical domains (i.e., neuroactive pathogens, neurotoxins, neurological conditions, trauma, aging, neurodegenerative disease, acquired brain injury, mental health conditions, endocrine disorders, developmental disabilities, nutrition) and to evaluate whether these insults affect the hippocampus first and more prominently compared to other brain loci. A second purpose is to consider the role of hippocampal blood-brain barrier (BBB) breakdown in either causing or worsening the harmful effects of each insult. Recent research suggests that the hippocampal BBB is more fragile compared to other brain areas and may also be more prone to the disruption of the transport mechanisms that act to maintain the internal milieu. Moreover, a compromised BBB could be a factor that is common to many different types of insults. Our analysis indicates that the hippocampus is more vulnerable to insults compared to other parts of the brain, and that developing interventions that protect the hippocampal BBB may help to prevent or ameliorate the harmful effects of many insults on memory and cognition.
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Affiliation(s)
- Terry L. Davidson
- Department of Neuroscience, Center for Neuroscience and Behavior, American University, 4400 Massachusetts Avenue, NW, Washington, DC 20016, USA
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de Villiers O, Elliot-Wilson C, Thomas KGF, Semple PL, Naiker T, Henry M, Ross IL. Sleep and cognition in South African patients with non-functioning pituitary adenomas. PLoS One 2024; 19:e0296387. [PMID: 38236816 PMCID: PMC10796019 DOI: 10.1371/journal.pone.0296387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 12/12/2023] [Indexed: 01/22/2024] Open
Abstract
Strong lines of evidence in the neuroscience literature indicate that (a) healthy sleep facilitates cognitive processing, and (b) sleep disruption is associated with cognitive dysfunction. Despite the fact that patients with pituitary disease often display both disrupted sleep and cognitive dysfunction, few previous studies investigate whether these clinical characteristics in these patients might be related. Hence, we explored whether sleep disruption in patients with pituitary disease mediates their cognitive dysfunction. We recruited 18 patients with non-functioning pituitary adenomas (NFPA) and 19 sociodemographically matched healthy controls. They completed the Global Sleep Assessment Questionnaire (thus providing self-report data regarding sleep disruption) and were administered the Brief Test of Adult Cognition by Telephone, which assesses cognitive functioning in the domains of processing speed, working memory, episodic memory, inhibition, and reasoning. We found no significant differences in cognition between patients and controls. Furthermore, spectra of sleep disturbance did not differ significantly between patients and controls. Our data suggest that NFPA patients' cognition and sleep quality is relatively intact, and that sleep disruption does not mediate cognitive dysfunction. Larger studies should characterize sleep and cognition in patients with NFPA (and other pituitary diseases) to confirm whether disruption of the former mediates impairment in the latter.
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Affiliation(s)
- Olivia de Villiers
- ACSENT Laboratory, Department of Psychology, University of Cape Town, Cape Town, South Africa
| | - Claudia Elliot-Wilson
- ACSENT Laboratory, Department of Psychology, University of Cape Town, Cape Town, South Africa
| | - Kevin G. F. Thomas
- ACSENT Laboratory, Department of Psychology, University of Cape Town, Cape Town, South Africa
| | - Patrick L. Semple
- Division of Neurosurgery, University of Cape Town, Cape Town, South Africa
| | - Thurandrie Naiker
- Department of Radiation Oncology, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa
| | - Michelle Henry
- Numeracy Centre, University of Cape Town, Cape Town, South Africa
| | - Ian L. Ross
- Division of Endocrinology, University of Cape Town, Cape Town, South Africa
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Ma F, Zhang Q, Shi J, Li S, Wu L, Zhang H. Risk factors for cognitive dysfunction and glycemic management in older adults with type 2 diabetes mellitus: a retrospective study. BMC Endocr Disord 2023; 23:220. [PMID: 37821909 PMCID: PMC10565992 DOI: 10.1186/s12902-023-01476-2] [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: 06/09/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Epidemiological evidence shows a robust relationship between cognitive dysfunction and type 2 diabetes mellitus (T2DM). This study identified major risk factors that might prevent or ameliorate T2DM-associated cognitive dysfunction in the realm of clinical practice. METHODS Using Mini-mental State Examination (MMSE) in the light of education level, we identified older adults with T2DM on admission aged 50 and above. We conducted this case-control study when eligible participants were divided into Cognitively Normal (CN) group and Cognitively Impaired (CI) group. Analytical data referred to demographic characteristics, clinical features, fluid biomarkers, and scale tests. RESULTS Of 596 records screened, 504 cases were included in the final analysis. Modified multivariate logistic regression analysis verified that homocysteine (OR = 2.048, 95%CI = 1.129-3.713), brain infarction (OR = 1.963, 95%CI = 1.197-3.218), dementia (OR = 9.430, 95%CI = 2.113-42.093), education level (OR = 0.605, 95%CI = 0.367-0.997), severity of dependence (OR = 1.996, 95%CI = 1.397-2.851), creatine kinase (OR = 0.514, 95%CI = 0.271-0.974) were significant risk factors of incident T2DM-related cognitive dysfunction in patients of advanced age. CONCLUSION Our study supported a robust relationship between T2DM and cognitive dysfunction. Our results provide clinicians with major risk factors for T2DM-related cognitive dysfunction, in particular the protective role of creatine kinase.
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Affiliation(s)
- Fanyuan Ma
- Department of Geriatrics, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
- Department of Geriatrics, Xijing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Qian Zhang
- Department of Geriatrics, Xijing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Juan Shi
- Department of Anatomy, Histology and Embryology, Air Force Medical University, Xi'an, 710032, China
| | - Shuaifeng Li
- Department of Spine Surgery, General Hospital of PLA Tibet Military Area Command, Lhasa, 850007, China
| | - Liping Wu
- Department of Geriatrics, Xijing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Hua Zhang
- Department of Geriatrics, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China.
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Lou K, Liu S, Zhang F, Sun W, Su X, Bi W, Yin Q, Qiu Y, Zhang Z, Jing M, Ma S. The effect of hyperthyroidism on cognitive function, neuroinflammation, and necroptosis in APP/PS1 mice. J Transl Med 2023; 21:657. [PMID: 37740205 PMCID: PMC10517505 DOI: 10.1186/s12967-023-04511-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 09/06/2023] [Indexed: 09/24/2023] Open
Abstract
BACKGROUND Increasing evidence has linked the thyroid dysfunction to the pathogenesis of dementia. Evidence from clinical studies has demonstrated that hypothyroidism is related to an increased risk of dementia. But the association of hyperthyroidism with dementia is largely unknown. METHODS We used the adenovirus containing thyrotropin receptor (TSHR) amino acid residues 1-289 (Ad-TSHR289)-induced Graves' disease (GD) phenotype in Alzheimer's disease (AD) model mice (APP/PS1 mice) to evaluate the effect of hyperthyroidism on the cognitive function and β-amyloid (Aβ) accumulation. RESULTS GD mice exhibited a stable long-term hyperthyroidism and cognitive deficits. Single Cell RNA-sequencing analysis indicated that microglia function played a critical role in the pathophysiological processes in GD mice. Neuroinflammation and polarization of microglia (M1/M2 phenotype) and activated receptor-interacting serine/threonine protein kinase 3 (RIPK3)/mixed lineage kinase domain-like pseudo-kinase (MLKL)-mediated necroptosis contributed to the pathological process, including Aβ deposition and neuronal loss. RIPK3 inhibitor could inhibit GD-mediated Aβ accumulation and neuronal loss. CONCLUSIONS Our findings reveal that GD hyperthyroidism aggravates cognitive deficits in AD mice and induces Aβ deposition and neuronal loss by inducing neuroinflammation and RIPK3/MLKL-mediated necroptosis.
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Affiliation(s)
- Kai Lou
- Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
| | - Shudong Liu
- Department of Endocrinology, Shandong Rongjun General Hospital, Jinan, 250013, China
| | - Fengxia Zhang
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250011, China
| | - Wenxiu Sun
- Department of Nursing, Taishan Vocational College of Nursing, Taian, 271000, Shandong, China
| | - Xinhuan Su
- Department of Geriatrics Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Wenkai Bi
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Jinan, 250021, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Jinan, 250021, Shandong, China
| | - Qingqing Yin
- Department of Geriatric Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yaxin Qiu
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Jinan, 250021, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Jinan, 250021, Shandong, China
| | - Zhenyuan Zhang
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Jinan, 250021, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Jinan, 250021, Shandong, China
| | - Mengzhe Jing
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Jinan, 250021, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Jinan, 250021, Shandong, China
| | - Shizhan Ma
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Jinan, 250021, Shandong, China.
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, 250021, Shandong, China.
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Jinan, 250021, Shandong, China.
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Alotayk LI, Aldubayan MA, Alenezi SK, Anwar MJ, Alhowail AH. Comparative evaluation of doxorubicin, cyclophosphamide, 5-fluorouracil, and cisplatin on cognitive dysfunction in rats: Delineating the role of inflammation of hippocampal neurons and hypothyroidism. Biomed Pharmacother 2023; 165:115245. [PMID: 37523981 DOI: 10.1016/j.biopha.2023.115245] [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: 04/23/2023] [Revised: 06/27/2023] [Accepted: 07/25/2023] [Indexed: 08/02/2023] Open
Abstract
Chemotherapeutic agents such as doxorubicin, cyclophosphamide, fluorouracil, and cisplatin are commonly used to treat a variety of cancers and often result in chemobrain, which manifests as difficulties in learning and memory processes that can persist in the years following treatment. The current study aims to evaluate the cognitive function following treatment with these agents and the underlying mechanisms using a rat model of neuroinflammation and possible implication of thyroid toxicity in chemotherapy induced cognitive dysfunction. Wistar female rats were treated with a single dose of doxorubicin (DOX, 25 mg/kg), 5-fluorouracil (5-FU, 100 mg/kg), cisplatin (8 mg/kg), and cyclophosphamide (CYP, 200 mg/kg) by intraperitoneal injection. The cognitive performance of rats was then evaluated in spatial memory tasks using the Y-maze, novel object recognition (NOR), and elevated plus maze (EPM) tests. Serum levels of thyroid hormones (T3, T4, FT3, and FT4) and thyroid stimulating hormone (TSH) were measured, followed by estimation of TNFα, IL-6, and IL-1β in the hippocampal tissue. Results revealed that all the chemotherapeutic agents produced impairment of cognitive function, and significant increase of pro-inflammatory cytokines such as TNFα, IL-6 and IL-1β in the hippocampal tissues. There was a significant reduction in thyroid hormones (T3, FT3, and T4) and an increase in thyroid stimulating hormone (TSH) in serum, which may also have contributed to the decline in cognitive function. In conclusion, DOX, 5-FU, CYP, and cisplatin produces impairment of spatial memory possibly by inflammation of hippocampal neurons and endocrine disruption (hypothyroidism) in rats.
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Affiliation(s)
- Lamis I Alotayk
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Qassim, Buraydah 51452, Saudi Arabia
| | - Maha A Aldubayan
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Qassim, Buraydah 51452, Saudi Arabia
| | - Sattam K Alenezi
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia
| | - Md Jamir Anwar
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia
| | - Ahmad H Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Qassim, Buraydah 51452, Saudi Arabia.
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Barros CFD, Guarnieri LDO, Mansk LMZ, Secio-Silva A, Emrich F, Ferreira M, Silva WND, Peliciari-Garcia RA, Pereira GS, Bargi-Souza P. The memory impairment by hypothyroidism in mice is dependent on time-of-day and sex. Behav Brain Res 2023; 452:114595. [PMID: 37482305 DOI: 10.1016/j.bbr.2023.114595] [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: 05/06/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Hypothyroidism is an endocrine-metabolic disorder, and as such it compromises a wide range of physiological functions. Memory deficits and, the most recently described, circadian rhythm disruption are among the impairments caused by thyroid dysfunctions. However, although highly likely, there is no evidence connecting these two effects of hypothyroidism. Here, we hypothesized the time-of-day interferes with the memory deficit caused by hypothyroidism. C57BL/6 J mice from both sexes were subjected to novel object recognition (NOR) task during the rest and active phases, corresponding to ZT 2-4 and 14-16, respectively (ZT: Zeitgeber time; ZT 0: lights on at 07:00 am). First, we showed that neither sex nor ZT altered object recognition memory (ORM) in euthyroid mice. Next, animals were divided into control (euthyroid) and hypothyroid [induced with methimazole (0.01%) and perchlorate (0.1%) treatment in the drinking water for 21 days] groups. Under euthyroid conditions, male and female mice recognized the novel object regardless of the time-of-day. However, hypothyroidism impaired ORM at rest phase (ZT 2-4) in both sexes. Surprisingly, in the active phase (ZT 14-16), the hypothyroid males performed the NOR, though a longer time to execute the task was required. In contrast, female hypothyroid mice showed a greater impairment in ORM. Our results suggest that hypothyroidism may disrupt the circadian rhythm in brain areas related to mnemonic processes since in euthyroid condition ORM is not affected by the time-of-day. Furthermore, our findings in an animal model indicate a pronounced deleterious effect of hypothyroidism in women.
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Affiliation(s)
- Carolina Fonseca de Barros
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Leonardo de Oliveira Guarnieri
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil; Centro de Tecnologia e Pesquisa em Magneto Ressonância, Programa de Pós-Graduação em Engenharia Elétrica, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lara Monteiro Zanetti Mansk
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Ayla Secio-Silva
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Felipe Emrich
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Maíza Ferreira
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Walison Nunes da Silva
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Rodrigo Antonio Peliciari-Garcia
- Departamento de Ciências Biológicas, Setor de Morfofisiologia e Patologia, Universidade Federal de São Paulo (UNIFESP), Diadema, SP, Brazil
| | - Grace Schenatto Pereira
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
| | - Paula Bargi-Souza
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
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Yu ZW, Pu SD, Sun XT, Wang XC, Gao XY, Shan ZY. Impaired Sensitivity to Thyroid Hormones is Associated with Mild Cognitive Impairment in Euthyroid Patients with Type 2 Diabetes. Clin Interv Aging 2023; 18:1263-1274. [PMID: 37554512 PMCID: PMC10406107 DOI: 10.2147/cia.s413584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 07/28/2023] [Indexed: 08/10/2023] Open
Abstract
Purpose The prevalence of mild cognitive impairment (MCI) in patients with type 2 diabetes (T2D) is rapidly increasing. Thyroid hormones are key regulators of cognitive function in adults. The purpose of this study was to investigate the relationship between thyroid hormone sensitivity and MCI in euthyroid T2D patients. Patients and Methods A total of 400 euthyroid T2D patients were enrolled in this cross-sectional study, including 218 patients with normal cognition and 182 MCI patients. The Montreal Cognitive Assessment (MoCA) was used to evaluate cognitive function. The free triiodothyronine to free thyroxine (FT3/FT4) ratio was calculated as a measure of peripheral sensitivity to thyroid hormones; the thyroid-stimulating hormone index (TSHI), thyrotrophic thyroxine resistance index (TT4RI) and thyroid feedback quantile-based index (TFQI) were calculated as measures of central sensitivity to thyroid hormones. Linear regression analysis and logistic regression analysis were performed to explore the relationships between these indices of thyroid hormone sensitivity and the MoCA score and MCI, respectively. Results Compared with the normal cognitive function group, patients in the MCI group had higher TSHI, TT4RI and TFQI but a lower FT3/FT4 ratio (P<0.05). The MoCA score was positively correlated with the FT3/FT4 ratio but negatively correlated with TSHI, TT4RI and TFQI (P< 0.05). Multivariate logistic regression analysis showed that a low FT3/FT4 ratio and high TSHI, TT4RI and TFQI were independently associated with MCI (P<0.05). After adjustment for confounding factors, the odds ratio (OR) for the association between MCI and the highest tertile of the FT3/FT4 was 0.455 (95% CI: 0.264-0.785), for the highest tertile of TSHI, the OR was 2.380 (95% CI: 1.376-4.119), for the highest tertile of TT4RI, the OR was 2.342 (95% CI:1.353-4.054), and for the highest tertile of TFQI, the OR was 2.536 (95% CI: 1.466-4.387) (P< 0.05). Conclusion Impaired sensitivity to thyroid hormones is associated with MCI in euthyroid T2D patients.
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Affiliation(s)
- Zi-Wei Yu
- Department of Endocrinology and Metabolism and the Institute of Endocrinology, The NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, First Hospital of China Medical University, Shenyang, 110001, People’s Republic of China
| | - Sheng-Dan Pu
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Xiao-Tong Sun
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Xi-Chang Wang
- Department of Endocrinology and Metabolism and the Institute of Endocrinology, The NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, First Hospital of China Medical University, Shenyang, 110001, People’s Republic of China
| | - Xin-Yuan Gao
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Zhong-Yan Shan
- Department of Endocrinology and Metabolism and the Institute of Endocrinology, The NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, First Hospital of China Medical University, Shenyang, 110001, People’s Republic of China
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Stern M, Finch A, Haskard-Zolnierek KB, Howard K, Deason RG. Cognitive decline in mid-life: Changes in memory and cognition related to hypothyroidism. J Health Psychol 2023; 28:388-401. [PMID: 35811484 DOI: 10.1177/13591053221107745] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study assessed specific cognitive impairments within a primarily female, hypothyroid population, while controlling for factors that commonly contribute to cognitive decline. Participants (N = 739) included 461 individuals with hypothyroidism. This study involved an online survey assessing several aspects of memory and cognition. Those with hypothyroidism generally scored worse on self-assessments of memory, higher perceived stress, high rates of depression and anxiety, greater fatigue, poorer concentration, and less motivation. A Receiver Operating Characteristic curve indicated that the cognitive questionnaires are successful at classifying hypothyroidism and a mediation analysis showed fatigue is a mediating symptom of these cognitive outcomes.
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Affiliation(s)
- Mark Stern
- Department of Psychology, Texas State University, San Marcos, TX, USA
| | - Alyse Finch
- Department of Psychology, Texas State University, San Marcos, TX, USA
| | | | - Krista Howard
- Department of Psychology, Texas State University, San Marcos, TX, USA
| | - Rebecca G Deason
- Department of Psychology, Texas State University, San Marcos, TX, USA
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Xu YX, Wang C, Li XD, Guo WL, Liu GY, Zhang HB, Sun Y, Zhu DF, Xu Q. Activation of cholinergic basal forebrain neurons improved cognitive functions in adult-onset hypothyroid mice. Biomed Pharmacother 2022; 153:113495. [DOI: 10.1016/j.biopha.2022.113495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 11/24/2022] Open
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Blood hormones and suicidal behaviour: A systematic review and meta-analysis. Neurosci Biobehav Rev 2022; 139:104725. [PMID: 35690122 DOI: 10.1016/j.neubiorev.2022.104725] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 05/31/2022] [Accepted: 06/03/2022] [Indexed: 12/28/2022]
Abstract
This study was to evaluate the relationship between blood hormone levels and suicidal behaviour. We reviewed Web of Science, PubMed and Embase for literature published up to 10 April 2022. Studies were restricted to English-language articles. Studies measuring blood hormone levels in suicidal and non-suicidal subjects were eligible. Standardized mean differences (SMDs) were applied to evaluate group differences. Overall, 57 studies were eligible, of which 51 evaluated suicide attempts, and 9 assessed suicidal ideation. Random-effects meta-analysis indicated that levels of thyrotropin stimulating hormone (TSH) (SMD = 0.50; 95% CI, 0.27-0.72), leptin (SMD = -1.16; 95% CI, -1.94 to -0.38) and dehydroepiandrosterone sulfate (DHEAS) (SMD = -0.67; 95% CI, -1.13 to -0.21) were related to suicide attempts, whereas progesterone levels (SMD = 0.22; 95% CI, 0.03-0.41) were related to suicidal ideation. This analysis offers evidence linking abnormalities of blood hormones with suicidal behaviour, which may be essential for identifying individuals with suicide attempts and suicidal ideation. Large prospective studies are needed for further clarification of roles of hormones in suicidal behaviour.
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