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Yorke E. Co-Morbid Hypothyroidism and Liver Dysfunction: A Review. Clin Med Insights Endocrinol Diabetes 2024; 17:11795514241231533. [PMID: 38348020 PMCID: PMC10860496 DOI: 10.1177/11795514241231533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024] Open
Abstract
The liver and thyroid hormones interact at multiple levels to maintain homoeostasis. The liver requires large adequate amounts of thyroid hormones to execute its metabolic functions optimally, and deficiency of thyroid hormones may lead to liver dysfunction. Hypothyroidism has been associated with abnormal lipid metabolism, non-alcoholic fatty liver disease (NAFLD), hypothyroidism-induced myopathy, hypothyroidism-associated gallstones and occasionally, interferon-induced thyroid dysfunction. NAFLD remain an important association with hypothyroidism and further studies are needed that specifically compare the natural course of NAFLD secondary to hypothyroidism and primary NAFLD. Hepatic dysfunction associated with hypothyroidism is usually reverted by normalizing thyroid status. Large scale studies geared towards finding new and effective therapies, especially for NAFLD are needed. The clinician must be aware that there exists overlapping symptomatology between liver dysfunction and severe hypothyroidism which may make delay the diagnosis and treatment of hypothyroidism; this requires a high index of suspicion.
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Affiliation(s)
- Ernest Yorke
- Department of Medicine & Therapeutics, University of Ghana Medical School, Accra, Ghana
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Chen YL, Tian S, Wu J, Li H, Li S, Xu Z, Liang XY, Adhikari VP, Xiao J, Song JY, Ma CY, She RL, Li ZX, Wu KN, Kong LQ. Impact of Thyroid Function on the Prevalence and Mortality of Metabolic Dysfunction-Associated Fatty Liver Disease. J Clin Endocrinol Metab 2023; 108:e434-e443. [PMID: 36637992 DOI: 10.1210/clinem/dgad016] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/24/2022] [Accepted: 01/09/2023] [Indexed: 01/14/2023]
Abstract
CONTEXT Thyroid function variation within the thyroxine reference range has negative metabolic effects. Metabolic dysfunction-associated fatty liver disease (MAFLD) is a recently proposed definition. OBJECTIVE We aim to explore the effects of thyroid function status on prevalence and mortality of MAFLD. METHODS Data of 10 666 participants from the Third National Health and Nutrition Examination Survey (NHANES III) were used. MAFLD was diagnosed based on the new definition. Thyroid function variation within the thyroxine reference range was defined based on thyroid-stimulating hormone (TSH) levels: subclinical hyperthyroidism, <0.39 mIU/L; strict-normal thyroid function, 0.39-2.5 mIU/L; and low thyroid function, >2.5 mIU/L, which comprised low-normal thyroid function (2.5-4.5 mIU/L) and subclinical hypothyroidism (> 4.5 mIU/L). Logistic and Cox regression were used in multivariate analysis. RESULTS Low thyroid function is independently associated with MAFLD (odds ratio: 1.27). Compared with strict-normal thyroid function, subclinical hypothyroidism was significantly associated with increased risk for all-cause and cardiovascular mortality in the total population (hazard ratio [HR] for all-cause: 1.23; cardiovascular: 1.65) and MAFLD population (HR for all-cause: 1.32; cardiovascular: 1.99); meanwhile, in the low-normal thyroid function group, an increasing trend in mortality risk was observed. Furthermore, low thyroid function also showed significant negative impact on mortality in the total and MAFLD population. Among thyroid function spectrum, mild subclinical hypothyroidism showed the highest HRs on mortality. CONCLUSIONS Low thyroid function is independent risk factor of MAFLD and is associated with increased risk for all-cause and cardiovascular mortality in the MAFLD population. Reevaluation of TSH reference range should be considered.
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Affiliation(s)
- Yu-Ling Chen
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Shen Tian
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Juan Wu
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Hao Li
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Shu Li
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhou Xu
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Department of Thyroid and Breast Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Xin-Yu Liang
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Vishnu Prasad Adhikari
- Department of Hepatobiliary & Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, Hangzhou 310003, China
| | - Jun Xiao
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Department of General Surgery, People's Hospital of Linshui County, Sichuan 638500, China
| | - Jing-Yu Song
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Chen-Yu Ma
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Rui-Ling She
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhao-Xing Li
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Kai-Nan Wu
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Ling-Quan Kong
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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Hua Y, Huang W, Wang F, Jing Z, Li J, Wang Q, Zhao Y. Metabolites, gene expression, and gut microbiota profiles suggest the putative mechanisms via which dietary creatine increases the serum taurine and g-ABA contents in Megalobrama amblycephala. FISH PHYSIOLOGY AND BIOCHEMISTRY 2023; 49:253-274. [PMID: 36897433 DOI: 10.1007/s10695-023-01177-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 03/01/2023] [Indexed: 05/04/2023]
Abstract
A 90-day experiment was conducted to explore the effects of creatine on growth performance, liver health status, metabolites, and gut microbiota in Megalobrama amblycephala. There were 6 treatments as follows: control (CD, 29.41% carbohydrates), high carbohydrate (HCD, 38.14% carbohydrates), betaine (BET, 1.2% betaine + 39.76% carbohydrates), creatine 1 (CRE1, 0.5% creatine + 1.2% betaine + 39.29% carbohydrates), creatine 2 (CRE2, 1% creatine + 1.2% betaine + 39.50% carbohydrates), and creatine 3 (CRE3, 2% creatine + 1.2% betaine + 39.44% carbohydrates). The results showed that supplementing creatine and betaine together reduced the feed conversion ratio significantly (P < 0.05, compared to CD and HCD) and improved liver health (compared to HCD). Compared with the BET group, dietary creatine significantly increased the abundances of Firmicutes, Bacteroidota, ZOR0006, and Bacteroides and decreased the abundances of Proteobacteria, Fusobacteriota, Vibrio, Crenobacter, and Shewanella in the CRE1 group. Dietary creatine increased the content of taurine, arginine, ornithine, γ-aminobutyric acid (g-ABA), and creatine (CRE1 vs. BET group) and the expression of creatine kinase (ck), sulfinoalanine decarboxylase (csad), guanidinoacetate N-methyltransferase (gamt), glycine amidinotransferase (gatm), agmatinase (agmat), diamine oxidase1 (aoc1), and glutamate decarboxylase (gad) in the CRE1 group. Overall, these results suggested that dietary supplementation of creatine (0.5-2%) did not affect the growth performance, but it altered the gut microbial composition at the phylum and genus levels, which might be beneficial to the gut health of M. amblycephala; dietary creatine also increased the serum content of taurine by enhancing the expressions of ck and csad and increased the serum content of g-ABA by enhancing the arginine content and the expressions of gatm, agmat, gad, and aoc1.
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Affiliation(s)
- Yizhuo Hua
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China
| | - Wangwang Huang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China
| | - Fan Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China
| | - Zhao Jing
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China
| | - Juntao Li
- Institute of Tropical Bioscience and Biotechnology, Haikou, 570102, China
| | - Qingchao Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China
| | - Yuhua Zhao
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
- Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China.
- Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Wuhan, 430070, China.
- Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, China.
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Association between hypothyroidism and liver fibrosis risk: a systematic review and meta-analysis. Clin Exp Hepatol 2022; 8:188-194. [PMID: 36685269 PMCID: PMC9850309 DOI: 10.5114/ceh.2022.118594] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 05/20/2022] [Indexed: 01/25/2023] Open
Abstract
Aim of the study Non-alcoholic fatty liver disease (NAFLD), which encompasses a wide variety of liver pathology, is now the most common chronic liver disease worldwide. The presence of hypothyroidism has been linked to the development of NAFLD. However, its correlation with liver fibrosis, an important clinical entity in NAFLD, is less clear. We aimed to summarize the association between hypothyroidism and liver fibrosis risk. Material and methods We conducted a search of PubMed and ProQuest from inception to June 30, 2021, for studies assessing the association between hypothyroidism and liver fibrosis risk. The quality of included studies was evaluated using the Newcastle-Ottawa Scale (NOS). We analyzed the pooled odds ratios (ORs) with 95% confidence intervals (CIs) using a fixed and random-effects model. Heterogeneity was assessed using I 2. Results Eight studies with a total of 14,588 patients were included. The quality of studies ranged from 6 to 8 stars. Thyroid stimulating hormone (TSH) ≥ 2.5 was significantly associated with increased risk of significant liver fibrosis (OR = 1.61, 95% CI = 1.21-2.15). Subclinical hypothyroidism was also correlated with an increased risk of advanced fibrosis (OR = 2.77, 95% CI = 1.65-4.65). A significant association was found between overt hypothyroidism and non-alcoholic steatohepatitis (NASH) risk (OR = 2.38, 95% CI = 1.61-3.53). However, no significant association was found between subclinical hypothyroidism and significant liver fibrosis. Conclusions Hypothyroidism is associated with an increased risk of fibrosis in NAFLD patients.
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Zhang Y, Li J, Liu H. Correlation between the thyroid hormone levels and nonalcoholic fatty liver disease in type 2 diabetic patients with normal thyroid function. BMC Endocr Disord 2022; 22:144. [PMID: 35641932 PMCID: PMC9158236 DOI: 10.1186/s12902-022-01050-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 03/25/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND The objective of this study is to retrospectively analyze the correlation between the thyroid hormones and nonalcoholic fatty liver disease (NAFLD) in type 2 diabetes mellitus (T2DM) patients with normal thyroid function. METHODS Totally 586 T2DM patients with normal thyroid function participated in this research and were divided into T2DM without NAFLD (240 cases) group and T2DM with NAFLD (346 cases) group. The NAFLD fibrosis score (NFS) > 0.676 was defined as progressive liver fibrosis and used to categorize the patients into T2DM without progressive liver fibrosis group (493 cases) and T2DM with progressive liver fibrosis group (93 cases). RESULTS The results indicated that the levels of free triiodothyronine (FT3), total triiodomethylamine (TT3) and FT3/free thyroxine ratio (FT3/FT4) were significantly higher while the FT4 level was lower in T2DM with NAFLD group than that in T2DM without NAFLD group (p < 0.05). The levels of FT3, FT4, TT3 and TT4 in patients with progressive liver fibrosis were significantly lower in patients with progressive liver fibrosis than that in patients without progressive liver fibrosis (p < 0.05). Logistic regression analysis showed a positive connection between FT3/FT4 ratio and NAFLD (p = 0.038), a negative relationship between FT4 level and NAFLD (p = 0.026), between the levels of FT4, TT3 and total thyroxine (TT4) and the risk of progressive hepatic fibrosis (p = 0.022, p = 0.007, p = 0.046). CONCLUSION There is a certain correlation between thyroid hormone levels and NAFLD in T2DM patients, suggesting that the assessment of thyroid hormone levels in T2DM patients with normal thyroid function could be helpful in the prevention and treatment of NAFLD.
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Affiliation(s)
- Yuanyuan Zhang
- Department of Endocrinology, Geriatrics Center, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, 230001, Anhui, China
| | - Juyi Li
- Department of Endocrinology, Geriatrics Center, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, 230001, Anhui, China
| | - Huaizhen Liu
- Department of Endocrinology, Geriatrics Center, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, 230001, Anhui, China.
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Hegazy W, Abdel-Moneim A, Abdel-Rehiem ES, Salah M, Abdul-Hamid M. The protective effect of hesperidin on the liver of hypothyroid rats mediated by nuclear factor erythroid 2-related factor 2-dependent activation of heme oxygenase 1. J Mol Histol 2022; 53:543-560. [DOI: 10.1007/s10735-022-10066-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 02/08/2022] [Indexed: 10/19/2022]
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7
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Deng AF, Jiang ZH, Cong BL. Hepcidin Gene Cloning and Expression Pattern in Turbot ( Scophthalmus maximus) after Vibrio. anguillarum Infection. IRANIAN JOURNAL OF BIOTECHNOLOGY 2020; 18:e2767. [PMID: 34056028 PMCID: PMC8148637 DOI: 10.30498/ijb.2020.2767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Antimicrobial peptides play crucial roles in organisms as the first line of defense against invading pathogens. OBJECTIVE To isolate the hepcidin (hepc1) gene from the liver of turbot (Scophthalmus maximus) challenged with Vibrio anguillarum (GenBank accession number: AM113708), characterize it, and assess its expression level in various tissues. MATERIALS AND METHODS The DNA sequence of hepcidin from S. maximus was determined from the total RNA extracted and reverse transcribed from this fish. The expression levels of tissue-specific hepcidin transcripts were determined using reverse-transcriptase polymerase chain reactions. RESULTS Hepcidin levels increased in the livers, head kidneys and spleens of the fish. The transcriptional increase was especially noticeable in the liver after bacterial infection commencement. The presence of hepcidin and interleukin-beta (IL-1β) in blood leukocytes was compared at the transcription level and hepcidin transcripts were detected earlier than IL-1β transcripts after infection, indicating that hepcidin might serve as the first line of defense to kill bacteria and may also play a more direct and effective role than that of IL-1β during the initial stage of the innate immune response when turbot are exposed to bacteria invasion. CONCLUSIONS Hepcidin might serve as the first line of defense to kill bacteria and may also play a more direct and effective role than that of IL-1β during the initial stage of the innate immune response when turbot are exposed to bacteria invasion.
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Affiliation(s)
- Ai-Fang Deng
- First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, China.,
Marine Ecology and Enviromental Science Laboratory, Qingdao, China
| | - Zhi-Hui Jiang
- First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, China.,
Ocean University of China, Qingdao, China
| | - Bai-Lin Cong
- First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, China.,
Marine Ecology and Enviromental Science Laboratory, Qingdao, China
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Piantanida E, Ippolito S, Gallo D, Masiello E, Premoli P, Cusini C, Rosetti S, Sabatino J, Segato S, Trimarchi F, Bartalena L, Tanda ML. The interplay between thyroid and liver: implications for clinical practice. J Endocrinol Invest 2020; 43:885-899. [PMID: 32166702 DOI: 10.1007/s40618-020-01208-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023]
Abstract
A complex relationship exists between thyroid and liver in health and disease. Liver plays an essential physiological role in thyroid hormone activation and inactivation, transport, and metabolism. Conversely, thyroid hormones affect activities of hepatocytes and hepatic metabolism. Serum liver enzyme abnormalities observed in hypothyroidism may be related to impaired lipid metabolism, hepatic steatosis or hypothyroidism-induced myopathy. Severe hypothyroidism may have biochemical and clinical features, such as hyperammonemia and ascites, mimicking those of liver failure. Liver function tests are frequently abnormal also in hyperthyroidism, due to oxidative stress, cholestasis, or enhanced osteoblastic activity. Antithyroid drug-associated hepatotoxicity is a rare event, likely related mainly to an idiosyncratic mechanism, ranging from a mild hepatocellular damage to liver failure. Propylthiouracil-induced liver damage is usually more severe than that caused by methimazole. On the other hand, thyroid abnormalities can be found in liver diseases, such as chronic hepatitis C, liver cirrhosis, hepatocellular carcinoma, and cholangiocarcinoma. In particular, autoimmune thyroid diseases are frequently found in patients with hepatitis C virus infection. These patients, especially if thyroid autoimmunity preexists, are at risk of hypothyroidism or, less frequently, thyrotoxicosis, during and after treatment with interpheron-alpha alone or in combination with ribavirin, commonly used before the introduction of new antiviral drugs. The present review summarizes both liver abnormalities related to thyroid disorders and their treatment, and thyroid abnormalities related to liver diseases and their treatment.
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Affiliation(s)
- E Piantanida
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy.
| | - S Ippolito
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - D Gallo
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - E Masiello
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - P Premoli
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - C Cusini
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - S Rosetti
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - J Sabatino
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
| | - S Segato
- Gastroenterology and Gastrointestinal Endoscopic Unit, Department of Specialistic Medicine, ASST Dei Sette Laghi, Varese, Italy
| | - F Trimarchi
- Accademia Peloritana Dei Pericolanti, University of Messina, Messina, Italy
| | - L Bartalena
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy.
| | - M L Tanda
- Endocrine Unit, Department of Medicine and Surgery, Ospedale Di Circolo, ASST Dei Sette Laghi, University of Insubria, Viale Borri, 57, Varese, Italy
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Mohammadi MM, Saeb M, Nazifi S. Experimental hypothyroidism in adult male rats: the effects of Artemisia dracunculus aqueous extract on serum thyroid hormones, lipid profile, leptin, adiponectin, and antioxidant factors. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s00580-019-03080-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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10
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Karkhaneh M, Qorbani M, Ataie-Jafari A, Mohajeri-Tehrani MR, Asayesh H, Hosseini S. Association of thyroid hormones with resting energy expenditure and complement C3 in normal weight high body fat women. Thyroid Res 2019; 12:9. [PMID: 31666810 PMCID: PMC6813955 DOI: 10.1186/s13044-019-0070-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 10/03/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND A high body fat percentage has a specific effect on activation of the hypothalamic-pituitary-thyroid axis. On the other hand, a slight change in thyroid hormones can affect metabolism and body composition as well as immune function. This study aims to examine the relationship between adiposity, thyroid hormone levels and immunity by comparing resting energy expenditure (REE), serum thyroid hormone levels and complement C3 in normal-weight high body fat (normal weight obesity) women and normal-weight normal body fat women. METHODS In this case-control study, 40 women with normal body weight (BMI < 24.9 kg/m2) and body fat mass (FM) ≥ 30% (normal-weight obesity (NWO) group), and 30 non-obese women (BMI < 24.9 kg/m2) and FM < 30% (non-normal weight obesity (non-NWO) group) were recruited from a sport club in Tehran. Body composition was analyzed using bioimpedance analyzer. Blood samples were collected and analyzed for fasting serum concentration of thyroid hormones (including total T3 and total T4), thyroid-stimulating hormone (TSH), and serum complement C3. REE was measured by an indirect calorimetry. RESULTS Serum T3 and T4 and also complement C3 were higher in the NWO group than in the non-NWO group. Body fat percentages had significant positive correlation with T3 (r; 0.344, P < 0.05), T4 (r; 0.294, P < 0.05), and complement C3 (r; 0.417, P < 0.05). Serum T3 and T4 were also positively correlated with C3 concentration (r; 0.417, p < 0.001) and (r; 0.349, p < 0.05); respectively, but there was no significant correlation between TSH and C3. REE was not significantly different between the two groups. REE only had a significant positive correlation with fat-free mass (r; 0.421, P < 0.001). CONCLUSION An increase in body fat even in the presence of a normal body weight can be accompanied by the changes in thyroid function and inflammatory markers such as complement C3.
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Affiliation(s)
- Maryam Karkhaneh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Qorbani
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Asal Ataie-Jafari
- Department of Nutrition, Faculty of Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohamad Reza Mohajeri-Tehrani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Asayesh
- Department of Medical Emergencies, Qom University of Medical Sciences, Qom, Iran
| | - Saeed Hosseini
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Hojatdost street, Naderi street, Keshavarz Blv, Tehran, Iran
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Corvillo F, Akinci B. An overview of lipodystrophy and the role of the complement system. Mol Immunol 2019; 112:223-232. [PMID: 31177059 DOI: 10.1016/j.molimm.2019.05.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 05/28/2019] [Accepted: 05/29/2019] [Indexed: 12/19/2022]
Abstract
The complement system is a major component of innate immunity playing essential roles in the destruction of pathogens, the clearance of apoptotic cells and immune complexes, the enhancement of phagocytosis, inflammation, and the modulation of adaptive immune responses. During the last decades, numerous studies have shown that the complement system has key functions in the biology of certain tissues. For example, complement contributes to normal brain and embryonic development and to the homeostasis of lipid metabolism. However, the complement system is subjected to the effective balance between activation-inactivation to maintain complement homeostasis and to prevent self-injury to cells or tissues. When this control is disrupted, serious pathologies eventually develop, such as C3 glomerulopathy, autoimmune conditions and infections. Another heterogeneous group of ultra-rare diseases in which complement abnormalities have been described are the lipodystrophy syndromes. These diseases are characterized by the loss of adipose tissue throughout the entire body or partially. Complement over-activation has been reported in most of the patients with acquired partial lipodystrophy (also called Barraquer-Simons Syndrome) and in some cases of the generalized variety of the disease (Lawrence Syndrome). Even so, the mechanism through which the complement system induces adipose tissue abnormalities remains unclear. This review focuses on describing the link between the complement system and certain forms of lipodystrophy. In addition, we present an overview regarding the clinical presentation, differential diagnosis, classification, and management of patients with lipodystrophy associated with complement abnormalities.
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Affiliation(s)
- F Corvillo
- Complement Research Group, La Paz University Hospital Research Institute (IdiPAZ), La Paz University Hospital, Madrid, Spain; Center for Biomedical Network Research on Rare Diseases (CIBERER U754), Madrid, Spain.
| | - B Akinci
- Division of Endocrinology, Department of Internal Medicine, Dokuz Eylul University, Izmir, Turkey; Brehm Center for Diabetes Research, Division of Metabolism, Endocrinology & Diabetes, Department of Internal Medicine, University of Michigan, 1000 Wall Street, Room 5313, Ann Arbor, MI, 48105, USA
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12
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Al Doghaither HA, Alshaikh EM, Omar UM, Alsufiani HM, Mansouri RA, Tarbiah NI, Alshaikh AA, Alshaikh AM. Insulin resistance and its correlation with chemerin and visfatin in Saudi patients with hyperthyroidism. Int J Health Sci (Qassim) 2019; 13:18-21. [PMID: 31501648 PMCID: PMC6728134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objective This study aimed to assess the relationship between chemerin and visfatin concentrations and insulin resistance in Saudi women with hyperthyroidism. Materials and Methods Seventy healthy participants and 70 participants with hyperthyroidism were recruited for the study. Concentrations of chemerin, visfatin, thyroid profile, fasting glucose, insulin, and homeostatic model assessment of insulin resistance (HOMA-IR) were measured. Results Hyperthyroid patients showed significantly higher concentrations of fasting glucose and insulin (P < 0.001) and significant increases in HOMA-IR values than the control group. Spearman's correlation coefficient analysis showed that thyroid-stimulating hormone was negatively correlated with glucose, insulin, and HOMA-IR, while free triiodothyronine was positively correlated with the same parameters. Total triiodothyronine and total thyroxine also showed a significant positive correlation with glucose, and the levels of thyroglobulin were also positively correlated with insulin and HOMA-IR. Furthermore, chemerin levels correlated positively with glucose, insulin, and HOMA-IR. Inversely, visfatin was negatively correlated with insulin and HOMA-IR. Conclusion A significant relationship was observed between adipokines and thyroid profile, glucose, insulin, and insulin resistance in hyperthyroid patients. This suggests that visfatin and chemerin levels might affect insulin sensitivity in conjunction with thyroid hormones and thus may alter the metabolism of glucose and leads to insulin resistance.
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Affiliation(s)
- Huda A. Al Doghaither
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia,Address for correspondence: Huda A. Al Doghaither, Department of
Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi
Arabia. E-mail:
| | - Eman M. Alshaikh
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Ulfat M. Omar
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Hadeil M. Alsufiani
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia,Experimental Biochemistry Unit, King Fahd Medical
Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rasha A. Mansouri
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Nesrin I. Tarbiah
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdelrhman A. Alshaikh
- Department of Medicine, Faculty of Medicine, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Afnan M. Alshaikh
- Department of Medicine and Surgery, Ibn Sina College,
Jeddah, Saudi Arabia
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13
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Alshaikh EM, Omar UM, Alsufiani HM, Mansouri RA, Tarbiah NI, Alshaikh AA, Rahimulddin SA, Al Doghaither HA. The potential influence of hyperthyroidism on circulating adipokines chemerin, visfatin, and omentin. Int J Health Sci (Qassim) 2019; 13:44-47. [PMID: 30983945 PMCID: PMC6436451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Objectives The aim of this study was to investigate the potential influence of hyperthyroidism on serum chemerin, visfatin, and omentin concentrations. The relationship between these adipokines and thyroid profile values was also investigated. Methods A total of 140 female Saudi participants aged 20-45 years were recruited and divided into two groups, the euthyroid control group (n = 70) and the hyperthyroidism group (n = 70). Chemerin, visfatin, omentin, and thyroid profile including thyroid-stimulating hormone (TSH), free triiodothyronine (FT3), free thyroxine (FT4), total triiodothyronine (TT3), total thyroxine (TT4), and thyroglobulin were measured for all participants. Results Serum chemerin levels were significantly higher in patients with hyperthyroidism compared to the controls. In contrast, serum visfatin and omentin concentrations were significantly lower in hyperthyroid patients than controls. Moreover, serum chemerin concentrations were positively correlated with TT3, TT4, and FT3 and negatively correlated with TSH and FT4. A negative correlation was also found between FT4 and TT4 and serum visfatin concentrations. Inversely, TSH correlated positively with serum visfatin levels. No significant correlation was observed between serum omentin concentrations and any of the thyroid profile variables except FT3. Conclusion Hyperthyroidism influences serum chemerin, visfatin, and omentin concentrations, and these adipokines are correlated with thyroid hormones.
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Affiliation(s)
- Eman M. Alshaikh
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Ulfat M. Omar
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Hadeil M. Alsufiani
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia,Experimental Biochemistry Unit, King Fahad Medical
Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rasha A. Mansouri
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Nesrin I. Tarbiah
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdelrhman A. Alshaikh
- Department of Medicine, Faculty of Medicine, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Sawsan A. Rahimulddin
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia
| | - Huda A. Al Doghaither
- Department of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah, Saudi Arabia,Address for correspondence: Huda A. Al Doghaither, Department of
Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi
Arabia. E-mail:
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14
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Sun J, Sun L, Chen W, Yin X, Lu Y, Jiang Q. A family with hypothyroidism caused by fatty acid synthase and apolipoprotein B receptor mutations. Mol Med Rep 2018; 18:4904-4912. [PMID: 30272292 PMCID: PMC6236273 DOI: 10.3892/mmr.2018.9499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 08/15/2018] [Indexed: 12/13/2022] Open
Abstract
Hypothyroidism is a disease with a genetic component. The present study aimed to identify the potential causative gene mutation in a family with hypothyroidism and to investigate its potential pathology. DNA was extracted from the affected individual and his parents, maternal aunt and maternal grandmother. Whole exome sequencing was used to examine their exomes. The potential causative genes that may have an autosomal dominant mode of inheritance were selected after variant calling and filtering. Bioinformatics analysis was utilized to predict the deleteriousness of the identified variants, and multiple sequence alignment and conserved protein domain analyses were performed using online software. Finally, Sanger sequencing was used to validate the identified variants. In the present study, a total of 50 variants were screened based on the autosomal dominant mode of inheritance. Two variants, the fatty acid synthase (FASN) and apolipoprotein B receptor (APOBR) genes, were further analyzed, as they were highly associated with hypothyroidism. Genotyping results revealed that two mutations, c.G7192T (p.A2398S) in the FASN gene and c.C1883G (p.T628R) in the APOBR gene, were fully co-segregated with established hypothyroidism phenotypes in the family. These mutations were located in the conserved α/β-hydrolase fold and Na+/Ca2+ exchanger superfamily domain of FASN and APOBR, respectively. In conclusion, the present study demonstrated that the FASN c.G7192T and APOBR c.C1883G mutations may be the potential causative variants in this Chinese hypothyroidism pedigree.
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Affiliation(s)
- Jianhua Sun
- Department of Oncology, The Second Hospital of Shandong University, Jinan, Shandong 250033, P.R. China
| | - Lizhi Sun
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Weijie Chen
- Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Xiao Yin
- Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Yong Lu
- Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Qiang Jiang
- Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
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15
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Pietzner M, Kacprowski T, Friedrich N. Empowering thyroid hormone research in human subjects using OMICs technologies. J Endocrinol 2018; 238:R13-R29. [PMID: 29724864 DOI: 10.1530/joe-18-0117] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 05/03/2018] [Indexed: 12/16/2022]
Abstract
OMICs subsume different physiological layers including the genome, transcriptome, proteome and metabolome. Recent advances in analytical techniques allow for the exhaustive determination of biomolecules in all OMICs levels from less invasive human specimens such as blood and urine. Investigating OMICs in deeply characterized population-based or experimental studies has led to seminal improvement of our understanding of genetic determinants of thyroid function, identified putative thyroid hormone target genes and thyroid hormone-induced shifts in the plasma protein and metabolite content. Consequently, plasma biomolecules have been suggested as surrogates of tissue-specific action of thyroid hormones. This review provides a brief introduction to OMICs in thyroid research with a particular focus on metabolomics studies in humans elucidating the important role of thyroid hormones for whole body metabolism in adults.
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Affiliation(s)
- Maik Pietzner
- Institute of Clinical Chemistry and Laboratory MedicineUniversity Medicine Greifswald, Greifswald, Germany
- DZHK (German Center for Cardiovascular Research)Partner Site Greifswald, Greifswald, Germany
| | - Tim Kacprowski
- Chair of Experimental BioinformaticsTUM School of Life Sciences Weihenstephan Technical University of Munich, Freising-Weihenstephan, Germany
| | - Nele Friedrich
- Institute of Clinical Chemistry and Laboratory MedicineUniversity Medicine Greifswald, Greifswald, Germany
- DZHK (German Center for Cardiovascular Research)Partner Site Greifswald, Greifswald, Germany
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16
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Ahangarpour A, Alboghobeish S, Oroojan AA, Zeidooni L, Samimi A, Afshari G. Effects of Combined Exposure to Chronic High-Fat Diet and Arsenic on Thyroid Function and Lipid Profile in Male Mouse. Biol Trace Elem Res 2018; 182:37-48. [PMID: 28593471 DOI: 10.1007/s12011-017-1068-1] [Citation(s) in RCA: 5] [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] [Received: 11/05/2016] [Accepted: 05/30/2017] [Indexed: 12/21/2022]
Abstract
The thyroid is one of the major endocrine glands that contribute to body and fat metabolism. The present study evaluated the effects of combined exposure to chronic high-fat diet (HFD) and arsenic on thyroid function and lipid profile. In this experimental study, 72 male Naval Medical Research Institute mice were divided into six groups and fed HFD or low-fat diet (LFD) while being exposed to 25 or 50 ppm of arsenic in drinking water for 20 weeks. After 24 h of the last experimental day, blood samples were collected for hormonal and biochemical measurements. The data indicated that exposure to HFD alone increased the levels of triiodothyronine (T3), thyroid-stimulating hormone (TSH), leptin, lipid profile, reactive oxygen species (ROS), and malondialdehyde (MDA) and decreased the levels of high-density lipoprotein, albumin, adiponectin, and glutathione sulfhydryl reductase (GSH), whereas exposure to arsenic alone decreased the levels of T3 and GSH and increased the levels of TSH, leptin, ROS, MDA, and T4/T3 ratio compared to those in the control LFD group. Furthermore, concomitant administration of HFD and arsenic decreased the lipid profile and levels of T4, albumin, total protein, T3, and GSH and increased the levels of TSH, adiponectin, leptin, ROS, MDA, and T4/T3 ratio compared to those in the control LFD or HFD group. In conclusion, combined exposure to HFD and arsenic induced hypothyroidism via reduction of thyroid hormones and enhancement of plasma TSH and T3 uptake levels concomitant with hypolipidemia, hyperleptinemia, hyperadiponectinemia, induction of oxidative stress, and reduction of GSH levels.
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Affiliation(s)
- Akram Ahangarpour
- Health Research Institute, Diabetes Research Center, Department of Physiology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Soheila Alboghobeish
- Department of Pharmacology, School of Medicine, Student Research Committee of Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Ali Akbar Oroojan
- Department of Physiology, Student Research Committee of Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran
| | - Leila Zeidooni
- Department of Toxicology, School of Pharmacy, Student Research Committee of Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Azin Samimi
- Department of Toxicology, School of Pharmacy, Student Research Committee of Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Golshan Afshari
- Golestan Hospital Clinical Research Development Unit, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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17
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Association of C5L2 genetic polymorphisms with coronary artery disease in a Han population in Xinjiang, China. Oncotarget 2018; 8:8590-8596. [PMID: 28052000 PMCID: PMC5352424 DOI: 10.18632/oncotarget.14353] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 11/30/2016] [Indexed: 01/16/2023] Open
Abstract
Background C5aR-like receptor 2 (C5L2) has been identified as a receptor for the inflammatory factor Complement 5a (C5a) and acylation-stimulating protein (ASP). ASP binding to C5L2 leading to a net accumulation of TG stores and glucose transporter. The aim of the present study is to evaluate the association of the SNPs of C5L2 gene with coronary artery disease (CAD) in a Chinese population. Methods We examined the role of the tagging single nucleotide polymorphisms (SNPs) of C5L2 gene for CAD using a case-control design. We determined the prevalence of C5L2 genotypes in 505 CAD patients and 469 age and sex-matched healthy control subjects of Han population. Results There was significant difference in genotype distributions of rs2972607 and rs8112962 between CAD patients and control subjects. The rs2972607 was found to be associated with CAD in a dominant model (AA vs. AG + GG, P<0.001). Similarly, the rs8112962 was found to be associated with CAD in a dominant model (TT vs CT + CC, P=0.016). The difference remained statistically significant after multivariate adjustment (OR =1.401, 95% confidence interval [CI]:1.026~1.914, P=0.034; OR = 1.541, 95%CI:1.093~ 2.172, P=0.014; respectively). Conclusion The results of this study indicate that both rs2972607 and rs8112962 of C5L2 gene are associated with CAD in a Han population of China.
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Alfadda AA, Benabdelkamel H, Masood A, Jammah AA, Ekhzaimy AA. Differences in the Plasma Proteome of Patients with Hypothyroidism before and after Thyroid Hormone Replacement: A Proteomic Analysis. Int J Mol Sci 2018; 19:ijms19010088. [PMID: 29301248 PMCID: PMC5796038 DOI: 10.3390/ijms19010088] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 12/20/2017] [Accepted: 12/21/2017] [Indexed: 01/08/2023] Open
Abstract
Thyroid hormone is a potent stimulator of metabolism, playing a critical role in regulating energy expenditure and in key physiological mechanisms, such as growth and development. Although administration of thyroid hormone in the form of levo thyroxine (l-thyroxine) has been used to treat hypothyroidism for many years, the precise molecular basis of its physiological actions remains uncertain. Our objective was to define the changes in circulating protein levels that characterize alterations in thyroid hormone status. To do this, an integrated untargeted proteomic approach with network analysis was used. This study included 10 age-matched subjects with newly diagnosed overt hypothyroidism. Blood was collected from subjects at baseline and at intervals post-treatment with l-thyroxine until they reached to euthyroid levels. Plasma protein levels were compared by two-dimensional difference in gel electrophoresis (2D-DIGE) pre- and post-treatment. Twenty differentially expressed protein spots were detected. Thirteen were identified, and were found to be unique protein sequences by MALDI-TOF mass spectrometry. Ten proteins were more abundant in the hypothyroid vs. euthyroid state: complement C2, serotransferrin, complement C3, Ig κ chain C region, α-1-antichymotrypsin, complement C4-A, haptoglobin, fibrinogen α chain, apolipoprotein A-I, and Ig α-1 chain C region. Three proteins were decreased in abundance in the hypothyroid vs. euthyroid state: complement factor H, paraneoplastic antigen-like protein 6A, and α-2-macroglobulin. The differentially abundant proteins were investigated by Ingenuity Pathway Analysis (IPA) to reveal their associations with known biological functions. Their connectivity map included interleukin-6 (IL-6) and tumour necrosis factor α (TNF-α) as central nodes and the pathway identified with the highest score was involved in neurological disease, psychological disorders, and cellular movement. The comparison of the plasma proteome between the hypothyroid vs euthyroid states revealed differences in the abundance of proteins involved in regulating the acute phase response.
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Affiliation(s)
- Assim A Alfadda
- Obesity Research Center, College of Medicine, King Saud University, P.O. Box 2925 (98), Riyadh 11461, Saudi Arabia.
- Department of Medicine, College of Medicine, King Saud University, P.O. Box 2925 (38), Riyadh 11461, Saudi Arabia.
| | - Hicham Benabdelkamel
- Obesity Research Center, College of Medicine, King Saud University, P.O. Box 2925 (98), Riyadh 11461, Saudi Arabia.
| | - Afshan Masood
- Obesity Research Center, College of Medicine, King Saud University, P.O. Box 2925 (98), Riyadh 11461, Saudi Arabia.
| | - Anwar A Jammah
- Department of Medicine, College of Medicine, King Saud University, P.O. Box 2925 (38), Riyadh 11461, Saudi Arabia.
| | - Aishah A Ekhzaimy
- Department of Medicine, College of Medicine, King Saud University, P.O. Box 2925 (38), Riyadh 11461, Saudi Arabia.
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Mishra S, Gupta V, Mishra S, Gupta V, Mahdi AA, Sachan R. An increase level of acylation stimulating protein is correlated with metabolic risk markers in North Indian obese women. Diabetes Metab Syndr 2017; 11 Suppl 2:S797-S801. [PMID: 28610914 DOI: 10.1016/j.dsx.2017.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 06/05/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIMS The present study was to investigate the association between serum acylation stimulating protein (ASP) level with metabolic risk factors in North Indian obese women. METHODS This is a case control study, total n=322 women aged between 20 and 45 years (n=162 with metabolic syndrome & n=160 without metabolic syndrome) were recruited for the study according to National Cholesterol Education Program Treatment Panel (NCEPATP) guidelines. Serum ASP level were determined by enzyme linked immunosorbent assay. RESULTS Results indicated that circulating ASP and other metabolic risk factors (waist circumference, triglycerides, fasting plasma glucose etc) were significantly higher in women with metabolic syndrome (WmetS) than in women without syndrome (WometS) (p<0.001). Furthermore circulating ASP was significantly higher possitively correlated with waist circumference (r=0.51, p<0.001), triglyceride (r=0.56, p<0.001), glucose (r=0.70, p<0.001), and negatively correlated with high density lipoprotein(r=-0.56, p<0.001) in women with metabolic syndrome. CONCLUSIONS Conclusively circulating ASP was found to be significantly associated with hyperlipidemia, obesity and obesity related disorders in North Indian obese women.
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Affiliation(s)
- Supriya Mishra
- Department of Physiology, King George Medical University, Lucknow, India
| | - Vani Gupta
- Department of Physiology, King George Medical University, Lucknow, India.
| | - Sameeksha Mishra
- Department of Physiology, King George Medical University, Lucknow, India
| | | | - Abbas Ali Mahdi
- Department of Biochemistry, King George Medical University, Lucknow, India
| | - Rekha Sachan
- Department of Obstetrics and Gynecology, King George Medical University, Lucknow, India
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Atıci E, Mogulkoc R, Baltaci AK, Menevse E. The effect of thyroid dysfunction on nesfatin-1 and adiponectin levels in rats. Horm Mol Biol Clin Investig 2017; 32:/j/hmbci.ahead-of-print/hmbci-2017-0033/hmbci-2017-0033.xml. [PMID: 28796641 DOI: 10.1515/hmbci-2017-0033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 06/12/2017] [Indexed: 11/15/2022]
Abstract
Background Changes in thyroid hormone concentrations may affect adiponectin concentrations through various mechanisms. A molecule released primarily from the fat cells adiposities; adiponectin has important effects on the regulation of body weight. Aim The present study aimed to explore the effects of experimental thyroid dysfunction and its treatment on nesfatin-1 and adiponectin levels in rats. Methods The study included 40 adult male Sprague-Dawley rats which were grouped as follows: (1) control; (2) hypothyroidism [hypothyroidism was induced by intraperitoneal injection of 10 mg/kg/day propylthiouracil (PTU) for 3 weeks]; (3) hypothyroidism + thyroxine group [after hypothyroidism was induced by 2-week PTU injection, they were treated with high-dose L-thyroxine (1.5 mg/kg/day) for 1 week]; (4) hyperthyroidism [hyperthyroidism was induced by 3-weeks' thyroxine injection (0.3 mg/kg/day)]; (5) hyperthyroidism + PTU (after hyperthyroidism was induced by 2-weeks' thyroxine injection, the animals were given 10 mg/kg/day PTU for 1 week). Blood samples taken at the end of the study were analyzed to measure nesfatin-1 and adiponectin levels. Results It was found that nesfatin-1 levels increased in hypothyroidism, while adiponectin levels decreased (p < 0.001). In experimental hyperthyroidism, on the other hand, both nesfatin-1 and adiponectin levels were found significantly elevated (p < 0.001). Conclusion The results of the study indicate that nesfatin-1 and adiponectin levels were modified considerably in hypo- and hyperthyroidism, whereas with the restoration of the thyroid function, modified hormone levels went back to normal.
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Affiliation(s)
- Emine Atıci
- Health Sciences Faculty, Baskent University, Ankara, Turkey
| | - Rasim Mogulkoc
- Department of Physiology, Medical School, Selcuk University, Konya, Turkey
| | | | - Esma Menevse
- Department of Biochemistry, Selcuk University, Medical School, Konya, Turkey
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21
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Gürel A, Doğantekin A, Özkan Y, Aydın S. Serum apelin levels in patients with thyroid dysfunction. Int J Clin Exp Med 2015; 8:16394-16398. [PMID: 26629164 PMCID: PMC4659052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 09/03/2015] [Indexed: 06/05/2023]
Abstract
Adipocytes are not only for energy storage, but are also functionally active cells, producing biologically active peptides called adipocytokines. Adipocytokines control nutrition, thermogenesis, immunity, thyroid and reproductive hormones, and neuroendocrine functions. One of the most important new members of this family is apelin. In patients with thyroid dysfunctions, there are usually changes in weight, thermogenesis and adipose tissue lipolysis. Here, we investigated the serum apelin levels in different thyroid hormone states. Our study group consisted of the following patients: 32 thyrotoxicosis, 32 subclinical hyperthyroidism, 31 hypothyroidism, 34 subclinical hypothyroidism and 31 healthy control cases. In addition to routine blood tests, serum free T3 (FT3), free T4 (FT4), TSH and apelin levels were measured, and the body mass index (BMI) was recorded. In terms of the demographic characteristics, age and BMI, there was no statistically significant difference between the groups (P>0.05). The mean serum apelin levels of the groups were as follows: thyrotoxicosis group, 4.6±1.9 ng/ml; subclinical hyperthyroidism group, 3.7±1.9 ng/ml; hypothyroid group, 4.8±2.5 ng/ml; subclinical hypothyroidism group, 4.3±2.2 ng/mL; and control group, 3.4±1.4 ng/ml, respectively. There was no statistically significant difference in terms of the mean apelin levels between the groups (P>0.05). The hypothyroid group had the highest and the control group had the lowest mean apelin levels. As a result, the apelin levels were higher in both the patients with hypothyroidism and hyperthyroidism, in comparison with the normal population, but without statistical significance.
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Affiliation(s)
- Ali Gürel
- Department of Nephrology, Mengucek Gazi Training and Research Hospital Erzincan, Turkey
| | - Akif Doğantekin
- Department of Internal Medicine, Emek Hospital Gaziantep, Turkey
| | - Yusuf Özkan
- Department of Endocrinology, Firat University Hospital Elazig, Turkey
| | - Süleyman Aydın
- Department of Biochemistry, Firat University Hospital Elazig, Turkey
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Ozdemir D, Dagdelen S, Usman A. Serum Adiponectin Levels and Changes in Glucose Metabolism before and after Treatment for Thyroid Dysfunction. Intern Med 2015; 54:1849-57. [PMID: 26234224 DOI: 10.2169/internalmedicine.54.0668] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE Adiponectin is an adipokine which is known to decrease in individuals associated with obesity and insulin resistance. In this study, we aimed to investigate the serum adiponectin levels and glucose metabolism in patients with thyroid dysfunction before and after treatment. METHODS Newly diagnosed overt hypothyroid (n=20) and thyrotoxic (n=23) patients and healthy controls (n=20) with a body mass index of <30 kg/m(2) were evaluated prospectively. Patients with a known state of insulin resistance, including prediabetes and overt diabetes, and individuals with chronic diseases were excluded. Thyroid function and fasting plasma glucose (FPG), insulin, homeostatic model assessment (HOMA) insulin resistance (HOMA-IR) and HOMA-beta cell function (HOMA-beta), lipid and adiponectin levels were investigated in the basal state and after the restoration of euthyroidism. RESULTS The basal fasting FPG levels were lower in the hypothyroid patients than the control subjects (p=0.02) and similar between the thyrotoxic patients and control subjects (p=0.127). The basal HOMA-beta levels were higher in the patients with hypothyroidism than in those with thyrotoxicosis (p=0.015). Following the restoration of euthyroidism, the FPG levels significantly increased in the hypothyroid patients (p=0.002) and decreased in the thyrotoxic (p=0.001) patients. The basal plasma adiponectin levels were 14.55±8.4 mcg/mL, 13.79±9.13 mcg/mL and 11.68±6.0 mcg/mL in the hypothyroid and thyrotoxic patients and healthy controls, respectively (p=0.503). The adiponectin levels decreased significantly in the patients with hypothyroidism (p=0.047), whereas they did not change in the patients with thyrotoxicosis (p=0.770) after achieving euthyroidism. CONCLUSION In this study, following the restoration of euthyroidism, the FPG levels increased in the hypothyroidism patients and decreased in the thyrotoxicosis patients, despite the lack of changes in the HOMA-IR and HOMA-beta levels. Meanwhile, the hypothyroid, thyrotoxic and euthyroid subjects had similar basal adiponectin levels, and a significant decrease in the adiponectin levels was observed after treatment for hypothyroidism, despite the absence of changes after treatment for thyrotoxicosis, indicating the need for further studies with a larger sample size.
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Affiliation(s)
- Didem Ozdemir
- Department of Endocrinology and Metabolism, Hacettepe University School of Medicine, Turkey
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Cinar N, Gurlek A. Association between novel adipocytokines adiponectin, vaspin, visfatin, and thyroid: An experimental and clinical update. Endocr Connect 2013; 2:R30-8. [PMID: 24145612 PMCID: PMC3847914 DOI: 10.1530/ec-13-0061] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Adipose tissue secretes a variety of active biological substances, called adipocytokines, that act in an autocrine, paracrine, and endocrine manner. They have roles in appetite control, thermogenesis, and thyroid and reproductive functions. All these molecules may lead to local and generalized inflammation, mediating obesity-associated vascular disorders including hypertension, diabetes, atherosclerosis, and insulin resistance. Thyroid dysfunction is associated with changes in body weight, thermogenesis, and energy expenditure. The connections between cardiovascular risk factors such as dyslipidemia, impaired glucose tolerance, insulin resistance, atherosclerosis, and thyroid dysfunction have been reported in several studies. The adipocytokines serve as causative or protective factors in the development of these disorders in the states of thyroid dysfunction. Abnormal levels of adipocytokines (adiponectin (ADP), leptin, resistin, vaspin, and visfatin) in hypo- and hyperthyroidism have been reported with controversial results. This review aims to update the implication of novel adipokines ADP, vaspin, and visfatin in thyroid dysfunction.
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Acylation stimulating protein reduction precedes insulin sensitization after BPD-DS bariatric surgery in severely obese women. Nutr Diabetes 2012; 2:e41. [PMID: 23448805 PMCID: PMC3432183 DOI: 10.1038/nutd.2012.13] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE The mechanisms involved in early resolution of insulin resistance and type 2 diabetes mellitus after biliopancreatic diversion with duodenal switch (BPD-DS) surgery are still unknown. We evaluated early effects of BPD-DS on plasma acylation stimulating protein (ASP), an adipokine involved in lipid and glucose metabolism. SUBJECTS 32 non-diabetic and 22 diabetic severely obese women (BMI40 kg m(-2)) were evaluated for body composition and plasma parameters before, 24 h, 5 days, 6 and 12 months after surgery. RESULTS Within the early postoperative period (24 h), ASP decreased 25 and 30% in non-diabetic and diabetic women, respectively (P<0.001). Twenty-four hours after surgery, triglyceride, cholesterol, HDL-Chol, LDL-Chol and C3 also decreased, while glucose, insulin and high-sensitivity C-reactive protein (hsCRP) increased (all P<0.001). By 5 days, without significant weight loss, the decreases in ASP, cholesterol, HDL-Chol and LDL-Chol levels were all maintained. At this time, glucose, insulin and HOMA-IR also decreased 11 to 52% (all P<0.001). At 6 and 12 months, with pronounced weight loss and decreased per cent fat mass, there were further decreases in ASP (maximal -56% non-diabetic, -61% diabetic, P<0.001), as well as in glucose, insulin, HOMA-IR, triglyceride, cholesterol, LDL-Chol, HDL-Chol and hsCRP levels. Improved insulin resistance/diabetes at 5 days was predicted by 24 h changes as follows: per cent change ASP, HDL-Chol, hsCRP and total cholesterol predicted HOMA-IR (5 days) (r(2)=0.454, P<0.001), and per cent change ASP, HDL-Chol and hsCRP predicted change (5 days vs baseline) in HOMA-IR (r(2)=0.351, P<0.001). CONCLUSION Acute postoperative decreases in ASP are associated with early improvement of insulin resistance/diabetes after BPD-DS surgery.
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de Oliveira C, de Mattos ABM, Silva CBR, Mota JF, Zemdegs JCS. Nutritional and hormonal modulation of adiponectin and its receptors adipoR1 and adipoR2. VITAMINS AND HORMONES 2012; 90:57-94. [PMID: 23017712 DOI: 10.1016/b978-0-12-398313-8.00003-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Adiponectin is the most abundant plasma protein synthesized mostly by adipose tissue and is an insulin-sensitive hormone, playing a central role in glucose and lipid metabolism. Adiponectin effects are mediated via two receptors, adipoR1 and adipoR2. Several hormones and diet components that are involved in insulin resistance may impair insulin sensitivity at least in part by decreasing adiponectin and adiponectin receptors. Adiponectin expression and serum levels are associated with the amount and type of fatty acids and carbohydrate consumed. Other food items, such as vitamins, alcohol, sodium, green tea, and coffee, have been reported to modify adiponectin levels. Several hormones, including testosterone, estrogen, prolactin, glucocorticoids, catecholamines, and growth hormone, have been shown to inhibit adiponectin production, but the studies are still controversial. Even so, adiponectin is a potential therapeutic target in the treatment of diabetes mellitus and other diseases associated with hypoadiponectinemia.
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Affiliation(s)
- Cristiane de Oliveira
- Systemic Inflammation Laboratory, Trauma Research, St. Joseph's Hospital and Medical Center, Phoenix, USA.
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Hage M, Zantout MS, Azar ST. Thyroid disorders and diabetes mellitus. J Thyroid Res 2011; 2011:439463. [PMID: 21785689 PMCID: PMC3139205 DOI: 10.4061/2011/439463] [Citation(s) in RCA: 122] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Accepted: 05/13/2011] [Indexed: 12/21/2022] Open
Abstract
Studies have found that diabetes and thyroid disorders tend to coexist in patients. Both conditions involve a dysfunction of the endocrine system. Thyroid disorders can have a major impact on glucose control, and untreated thyroid disorders affect the management of diabetes in patients. Consequently, a systematic approach to thyroid testing in patients with diabetes is recommended.
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Affiliation(s)
- Mirella Hage
- Division of Endocrinology, Department of Internal Medicine, American University of Beirut-Medical Center, P.O. Box 11-0236, Riad El Solh, Beirut 1107 2020, Lebanon
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Mitrou P, Raptis SA, Dimitriadis G. Insulin action in hyperthyroidism: a focus on muscle and adipose tissue. Endocr Rev 2010; 31:663-79. [PMID: 20519325 DOI: 10.1210/er.2009-0046] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Hyperthyroidism leads to an enhanced demand for glucose, which is primarily provided by increased rates of hepatic glucose production due to increased gluconeogenesis (in the fasting state) and increased Cori cycle activity (in the late postprandial and fasting state). Adipose tissue lipolysis is increased in the fasting state, resulting in increased production of glycerol and nonesterified fatty acids. Under these conditions, increased glycerol generated by lipolysis and increased amino acids generated by proteolysis are used as substrates for gluconeogenesis. Increased nonesterified fatty acid levels are necessary to stimulate gluconeogenesis and provide substrate for oxidation in other tissues (such as muscle). In the postprandial period, insulin-stimulated glucose uptake by the skeletal muscle has been found to be normal or increased, mainly due to increased blood flow. Under hyperthyroid conditions, insulin-stimulated rates of glycogen synthesis in skeletal muscle are decreased, whereas there is a preferential increase in the rates of lactate formation vs. glucose oxidation leading to increased Cori cycle activity. In hyperthyroidism, the Cori cycle could be considered as a large substrate cycle; by maintaining a high flux through it, a dynamic buffer of glucose and lactate is provided, which can be used by other tissues as required. Moreover, lipolysis is rapidly suppressed to normal after the meal to facilitate the disposal of glucose by the insulin-resistant muscle. This ensures the preferential use of glucose when available and helps to preserve fat stores.
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Affiliation(s)
- Panayota Mitrou
- Hellenic National Center for Research, Prevention, and Treatment of Diabetes Mellitus and Its Complications, 10675 Athens, Greece
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Gao Y, Gauvreau D, Cianflone K. Hormone and pharmaceutical regulation of ASP production in 3T3-L1 adipocytes. J Cell Biochem 2010; 109:896-905. [PMID: 20069551 DOI: 10.1002/jcb.22464] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Several studies have demonstrated increases in acylation stimulating protein (ASP), and precursor protein C3 in obesity, diabetes and dyslipidemia, however the nature of the regulation is unknown. To evaluate chronic hormonal and pharmaceutical mediated changes in ASP and potential mechanisms, 3T3-L1 adipocytes were treated with physiological concentrations of relevant hormones and drugs currently used in treatment of metabolic diseases for 48 h. Medium ASP production and C3 secretion were evaluated in relation to changes in adipocyte lipid metabolism (cellular triglyceride (TG) mass, non-esterified fatty acid (NEFA) release and real-time FA uptake). Chylomicrons increased ASP production (up to 411 +/- 133% P < 0.05), while leptin, triiodothyronine, and beta-blockers atenolol and propranolol had no effect. Dexamethasone, lovastatin, rosiglitazone and rimonabant decreased ASP production (-53 to -85%, P < 0.05), associated with a decrease in the precursor protein C3 (-37% to -65%, P < 0.01). By contrast, epinephrine, progesterone, testosterone, angiotensin II and metformin also decreased ASP (-54% to -100%, P < 0.05), but without change in precursor protein C3, suggesting a direct effect on convertase activity, possibly mediated by interference (except metformin) due to marked increases in NEFA (5.6-31-fold, increased P < 0.05). Both lovastatin and metformin induced decreases in ASP were also associated with decreased TG mass (maximal -60%, P < 0.05) and real-time FA uptake (maximum -75%, P < 0.05), suggesting a change in adipocyte differentiation status. These in vitro results are consistent with in vivo ASP profiles in subjects, and suggest that ASP may be regulated through precursor C3 availability, convertase activity and differentiation status.
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Affiliation(s)
- Ying Gao
- Centre de Recherche Institut Universitaire de Cardiologie et de Pneumologie de Québec (CRIUCPQ), Laval University, Québec, Canada
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Ohsawa I, Inoshita H, Ishii M, Kusaba G, Sato N, Mano S, Onda K, Gohda T, Horikoshi S, Ohi H, Tomino Y. Metabolic impact on serum levels of complement component 3 in Japanese patients. J Clin Lab Anal 2010; 24:113-8. [PMID: 20333766 DOI: 10.1002/jcla.20372] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
The aim of this study was to explore the association between the serum concentration of complement component 3 (C3) and a variety of metabolic parameters. The study involved 125 patients in our outpatient clinic. Anthropometric and clinical laboratory data were collected and statistical associations between the serum concentration of C3 and other parameters were evaluated in a cross-sectional as well as a prospective manner. A group of male patients with metabolic syndrome (Mets, n=35) were characterized by marked increase in serum concentrations of C3, body mass index (BMI), waist circumference, hemoglobin (Hb) A1c, insulin resistance (HOMA-IR), triglyceride, uric acid, urinary protein, and Hb. In a one-way analysis of variance of all subjects, the serum concentration of C3 was significantly elevated as the number of items of complying with the Mets diagnostic criteria increased. In 60 of 125 patients who did not have diabetes and were given anti-lipogenetic medication, the serum concentration of C3 showed significant positive associations with serum levels of CH50, insulin, HOMA-IR, total cholesterol, hematocrit, LDL-c, C4, Hb, triglyceride, BMI, and albumin. In a prospective follow-up evaluation (n=35), there was a significant positive association between DeltaC3 (the second concentration of serum C3 minus the first concentration of serum C3)and DeltaHOMA-IR (the second concentration of HOMA-IR minus the first concentration of HOMA-IR). In conclusion, in Japanese patients, there is evidence implicating C3 concentration as a marker of Mets coinciding with insulin resistance.
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Affiliation(s)
- Isao Ohsawa
- Division of Nephrology, Department of Internal Medicine, Juntendo University School of Medicine, Bunkyo-ku, Tokyo, Japan
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Wang Y, Yang YX. Advances in understanding the role of complement in the pathogenesis of fatty liver disease. Shijie Huaren Xiaohua Zazhi 2010; 18:1577-1581. [DOI: 10.11569/wcjd.v18.i15.1577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Patients with fatty liver disease (FLD) exhibit various immunologic abnormalities in the adipose tissue and the liver. Complement plays an important role in the development of FLD. Innate immune dysfunction in the adipose tissue can lead to abnormal production of adipose-derived factors, some of which can activate complement. Complement can not only amplify the inflammatory response and lead to mitochondrial damage, but also inhibit hepatic fat disposal and promote lipid accumulation in hepatocytes. An exploration of the relationship between complement ant the liver can help us have a deep understanding of the mechanisms underlying the pathogenesis of FLD. The antagonists of the C5L2 receptor provide us potential new medicines for FLD. A further study of the role of complement in stress-induced liver remodeling can help clarify the role of complement in the development and progression of FLD.
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Paglialunga S, Fisette A, Munkonda M, Gao Y, Richard D, Cianflone K. The effects of acylation stimulating protein supplementation VS antibody neutralization on energy expenditure in wildtype mice. BMC PHYSIOLOGY 2010; 10:4. [PMID: 20416070 PMCID: PMC2875207 DOI: 10.1186/1472-6793-10-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2009] [Accepted: 04/23/2010] [Indexed: 11/10/2022]
Abstract
BACKGROUND Acylation stimulating protein (ASP) is an adipogenic hormone that stimulates triglyceride (TG) synthesis and glucose transport in adipocytes. Previous studies have shown that ASP-deficient C3 knockout mice are hyperphagic yet lean, as they display increased oxygen consumption and fatty acid oxidation compared to wildtype mice. In the present study, antibodies against ASP (Anti-ASP) and human recombinant ASP (rASP) were tested in vitro and in vivo. Continuous administration for 4 weeks via osmotic mini-pump of Anti-ASP or rASP was evaluated in wildtype mice on a high-fat diet (HFD) to examine their effects on body weight, food intake and energy expenditure. RESULTS In mature murine adipocytes, rASP significantly stimulated fatty acid uptake (+243% vs PBS, P < 0.05) while Anti-ASP neutralized the rASP response. Mice treated with Anti-ASP showed elevated energy expenditure (P < 0.0001), increased skeletal muscle glucose oxidation (+141%, P < 0.001), reduced liver glycogen (-34%, P < 0.05) and glucose-6-phosphate content (-64%, P = 0.08) compared to control mice. There was no change in body weight, food intake, fasting insulin, adiponectin, CRP or TG levels compared to controls. Interestingly, HFD mice treated with rASP showed the opposite phenotype with reduced energy expenditure (P < 0.0001) and increased body weight (P < 0.05), cumulative food intake (P < 0.0001) and liver glycogen content (+59%, P < 0.05). Again, there was no change in circulating insulin, adiponectin, CRP or TG levels, however, plasma free fatty acids were reduced (-48%, P < 0.05). CONCLUSION In vitro, Anti-ASP effectively neutralized ASP stimulated fatty acid uptake. In vivo, Anti-ASP treatment increased whole body energy utilization while rASP increased energy storage. Therefore, ASP is a potent anabolic hormone that may also be a mediator of energy expenditure.
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Affiliation(s)
- Sabina Paglialunga
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, QC, G1V 4G5, Canada
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Bossowski A, Sawicka B, Szalecki M, Koput A, Wysocka J, Zelazowska-Rutkowska B. Analysis of serum adiponectin, resistin and leptin levels in children and adolescents with autoimmune thyroid disorders. J Pediatr Endocrinol Metab 2010; 23:369-77. [PMID: 20583542 DOI: 10.1515/jpem.2010.058] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Leptin, adiponectin and resistin, mainly produced by adipocytes, play a major role in body weight regulation. Disturbances in the maintenance of normal body weight are found to occur also in thyroid diseases. There is a close relationship of the changes in thyroid hormones with the contents of adipose tissue and adipocyte-secreted proteins regulating energetic metabolism in the body. The study objective was to analyze the levels of leptin, adiponectin and resistin in children with untreated Graves' disease, subclinical hypothyroidism in Hashimoto's thyroiditis and in children with simple goiter. The study involved 78 patients with Graves' disease (29 girls and 2 boys, aged 6-21 years, mean 15.2) and with Hashimoto's thyroiditis (30 girls and 2 boys, aged 9-18 years, mean 14.5). The control group consisted of adolescents with simple goiter (13 girls and 2 boys, aged 9-18 years, mean 14.8). The levels of leptin, adiponectin and resistin were determined using the ELISA method (R&D System, USA). Patients with untreated Graves' disease showed higher adiponectin level than the patients with hypothyroidism in Hashimoto's thyroiditis and in simple goiter (14.24 +/- 0.89 vs. 9.18 +/- 2.65, 10.15 +/- 2.5, p < 0.007, p < 0.01), but lower resistin level as compared to simple goiter and Hashimoto's thyroiditis (10.24 +/- 5.2 vs. 13.29 +/- 3.8, 12.2 +/- 2.8, p < 0.01, NS). The analysis of leptin levels revealed no significant differences between children with subclinical hypothyroidism and untreated Graves' disease (4.42 +/- 0.87 vs. 3.1 +/- 0.45 NS). In conclusion, we suggest that disturbances in thyroid hormones in thyroid diseases have an essential effect on the levels of adiponectin and resistin released by adipose tissue.
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Affiliation(s)
- Artur Bossowski
- II Department of Children's Disease, Medical University of Białystok, Poland.
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MacLaren RE, Cui W, Lu H, Simard S, Cianflone K. Association of adipocyte genes with ASP expression: a microarray analysis of subcutaneous and omental adipose tissue in morbidly obese subjects. BMC Med Genomics 2010; 3:3. [PMID: 20105310 PMCID: PMC2843642 DOI: 10.1186/1755-8794-3-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2008] [Accepted: 01/27/2010] [Indexed: 12/22/2022] Open
Abstract
Background Prevalence of obesity is increasing to pandemic proportions. However, obese subjects differ in insulin resistance, adipokine production and co-morbidities. Based on fasting plasma analysis, obese subjects were grouped as Low Acylation Stimulating protein (ASP) and Triglyceride (TG) (LAT) vs High ASP and TG (HAT). Subcutaneous (SC) and omental (OM) adipose tissues (n = 21) were analysed by microarray, and biologic pathways in lipid metabolism and inflammation were specifically examined. Methods LAT and HAT groups were matched in age, obesity, insulin, and glucose, and had similar expression of insulin-related genes (InsR, IRS-1). ASP related genes tended to be increased in the HAT group and were correlated (factor B, adipsin, complement C3, p < 0.01 each). Differences between LAT and HAT group were almost exclusively in SC tissue, with little difference in OM tissue. Increased C5L2 (p < 0.01), an ASP receptor, in HAT suggests a compensatory ASP pathway, associated with increased TG storage. Results HAT adipose tissue demonstrated increased lipid related genes for storage (CD36, DGAT1, DGAT2, SCD1, FASN, and LPL), lipolysis (HSL, CES1, perilipin), fatty acid binding proteins (FABP1, FABP3) and adipocyte differentiation markers (CEBPα, CEBPβ, PPARγ). By contrast, oxidation related genes were decreased (AMPK, UCP1, CPT1, FABP7). HAT subjects had increased anti-inflammatory genes TGFB1, TIMP1, TIMP3, and TIMP4 while proinflammatory PIG7 and MMP2 were also significantly increased; all genes, p < 0.025. Conclusion Taken together, the profile of C5L2 receptor, ASP gene expression and metabolic factors in adipose tissue from morbidly obese HAT subjects suggests a compensatory response associated with the increased plasma ASP and TG.
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Affiliation(s)
- Robin E MacLaren
- Centre de Recherche Institut Universitaire de Cardiologie et de Pneumologie de Quebec, Laval University, Quebec, Canada
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Scantlebury-Manning T, Bower J, Cianflone K, Barakat H. Racial difference in Acylation Stimulating Protein (ASP) correlates to triglyceride in non-obese and obese African American and Caucasian women. Nutr Metab (Lond) 2009; 6:18. [PMID: 19374759 PMCID: PMC2679015 DOI: 10.1186/1743-7075-6-18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2008] [Accepted: 04/17/2009] [Indexed: 12/15/2022] Open
Abstract
Background Acylation Stimulating Protein (ASP) has been shown to influence adipose tissue triglyceride (TG) storage. The aim was to examine ethnic differences in ASP and leptin levels in relation to lipid profiles and postprandial changes amongst African American (AA) and Caucasian American (CA) women matched for BMI. Methods 129 women were recruited in total (age 21 – 73 y): 24 non-obese (BMI < 30 kg/m2) CA, 27 obese (BMI ≥ 30 kg/m2) CA, 13 obese diabetic CA, 25 non-obese AA, 25 obese AA, and 15 obese diabetic AA. Cholesterol, HDL-C, LDL-C, apoB, glucose and insulin were measured at baseline. TG, non-esterified fatty acids, leptin, and ASP were measured at baseline and postprandially following a fat meal. Results ASP, leptin, insulin and TG were significantly increased in obese subjects within each race. However, AA women had significantly lower ASP and TG than CA women at all BMI. Obese and diabetic AA women had significantly lower apoB levels than CA women when compared to their respective counterparts. For AA women, fasting ASP was positively correlated with BMI, cholesterol, apoB, LDL-C and glucose. For CA women, fasting ASP was positively correlated with BMI, leptin, glucose and insulin. However, for any given BMI, ASP was significantly reduced in AA vs CA (p = 0.0004). Similarly, for any given leptin level or TG levels, ASP was significantly lower in AA women (p = 0.041 and p = 0.003, respectively). Conclusion CA women have higher baseline TG levels and an earlier TG peak that is accompanied with higher ASP levels suggesting increased ASP resistance, while AA women have lower baseline TG levels and a later TG peak at lower ASP levels suggesting increased ASP sensitivity. This may explain why AA women may have fewer metabolic complications, such as diabetes and CVD, when compared to their Caucasian counterparts at the same level of obesity.
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Affiliation(s)
- Thea Scantlebury-Manning
- Department of Biological and Chemical Sciences, Faculty of Pure and Applied Sciences, University of The West Indies, Cave Hill Campus, Bridgetown, St Michael, Barbados.
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Naharci MI. Re: The metabolic syndrome is associated with circulating adipokines in older adults across a wide range of adiposity. J Gerontol A Biol Sci Med Sci 2009; 64:503. [PMID: 19251913 DOI: 10.1093/gerona/gln046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Paglialunga S, Julien P, Tahiri Y, Cadelis F, Bergeron J, Gaudet D, Cianflone K. Lipoprotein lipase deficiency is associated with elevated acylation stimulating protein plasma levels. J Lipid Res 2009; 50:1109-19. [PMID: 19237736 DOI: 10.1194/jlr.m800430-jlr200] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Acylation stimulating protein (ASP, C3adesArg) is an adipose tissue derived hormone that stimulates triglyceride (TG) synthesis. ASP stimulates lipoprotein lipase (LPL) activity by relieving feedback inhibition caused by fatty acids (FA). The present study examines plasma ASP and lipids in male and female LPL-deficient subjects primarily with the P207L mutation, common in the population of Quebec, Canada. We evaluated the fasting and postprandial states of LPL heterozygotes and fasting levels in LPL homozygotes. Homozygotes displayed increased ASP (58-175% increase, P < 0.05-0.01), reduced HDL-cholesterol (64-75% decrease, P < 0.0001), and elevated levels of TG (19-38-fold, P < 0.0001) versus control (CTL) subjects. LPL heterozygotes with normal fasting TG (1.3-1.9 mmol/l) displayed increased ASP (101-137% increase, P < 0.05-0.01) and delayed TG clearance after a fatload; glucose levels remained similar to controls. Hypertriglyceridemics with no known LPL mutation also had increased ASP levels (63-192% increase, P < 0.001). High-TG LPL heterozygotes were administered a fatload before and after fibrate treatment. The treatment reduced fasting and postprandial plasma ASP, TG, and FA levels without changing insulin or glucose levels. ASP enhances adipose tissue fatty-acid trapping following a meal; however in LPL deficiency, high ASP levels are coupled with delayed lipid clearance.
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Affiliation(s)
- Sabina Paglialunga
- Biochemistry Department and Faculty of Medicine, McGill University, Montreal, QC, Canada
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Intestinally derived lipids: Metabolic regulation and consequences—An overview. ATHEROSCLEROSIS SUPP 2008; 9:63-8. [DOI: 10.1016/j.atherosclerosissup.2008.05.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2008] [Revised: 04/03/2008] [Accepted: 05/13/2008] [Indexed: 01/17/2023]
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Sieminska L, Niedziolka D, Pillich A, Kos-Kudla B, Marek B, Nowak M, Borgiel-Marek H. Serum concentrations of adiponectin and resistin in hyperthyroid Graves' disease patients. J Endocrinol Invest 2008; 31:745-9. [PMID: 18997483 DOI: 10.1007/bf03349251] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
UNLABELLED This study was undertaken to determine whether serum adiponectin and resistin levels are influenced by hyperthyroidism and autoimmune factors and to find out whether their levels are dependent on the presence of ophthalmopathy. We measured serum concentrations of adiponectin and resistin in 76 patients (63 women, 13 men) with Graves' disease (GD) and compared them with levels of the control group which consisted of 30 healthy subjects. Patients were separated into two groups according to the presence or the absence of thyroid-associated ophthalmopathy (TAO). TAO (-) group consisted of 26 subjects without eye signs of GD and TAO (+) group included 50 subjects with ophthalmopathy. The latter group was further divided into 2 subgroups: with active TAO [26 patients, clinical activity score (CAS)> or =4] and with inactive TAO (24 patients, CAS<4). Groups did not differ in age, sex, body mass index (kg/m2) and smoking habits. Compared with euthyroid subjects, hyperthyroid GD patients had elevated mean serum adiponectin concentrations (19.96+/-4.97 microg/ml vs 15.01+/-3.99 microg/ml, p<0.001). However we did not observe any disparity between the TAO (-) and TAO (+) groups (20.60+/-5.06 microg/ml vs 19.63+/-4.94 microg/ml, p=ns). Comparing patients with a CAS> or =4 and patients with a CAS<4, we found similar mean serum concentrations of adiponectin (20.04+/-5.01 microg/ml vs 18.74+/-4.83 microg/ml, p=ns). Serum levels of resistin did not differ between the hyperthyroid patients and control subjects (13.11+/-4.26 ng/ml vs 12.82+/-4.75 ng/ml, p=ns). Serum resistin levels did not differ between TAO (+) and TAO (-) groups nor in patients with active and inactive TAO. Serum adiponectin correlated significantly with free T4 (FT4), free T3 (FT3), and TSH-R antibodies (TRAb) in GD patients (r=0.40, 0.41, and 0.37, respectively; p<0.001 for each). Serum resistin levels were not correlated with thyroid hormones and thyroid antibodies. The variables that in simple linear regression analyses were found to be correlated with serum adiponectin were then used in multiple regression analysis. In a model including adiponectin as dependent variable and FT4, FT3 and TRAb levels as independent variables, FT3 and TRAb remained as parameters independently related to adiponectin level (R2=0.35, p<0.001). CONCLUSIONS Elevated serum adiponectin levels in GD patients are related to the degree of hyperthyroidism and autoimmune process. The presence and activity of ophthalmopathy is not a modifier of serum adiponectin and resistin.
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Affiliation(s)
- L Sieminska
- Department of Pathophysiology and Endocrinology, Silesian Medical University, Katowice, Poland.
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Hsieh CJ, Wang PW. Serum concentrations of adiponectin in patients with hyperthyroidism before and after control of thyroid function. Endocr J 2008; 55:489-94. [PMID: 18469483 DOI: 10.1507/endocrj.k07e-075] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Thyroid hormone affects adipocyte function, which in turn influences lipid and carbohydrate metabolism. Adiponectin is one of the adipocytokines that regulates lipid and carbohydrate metabolism. The aim of our study was to evaluate circulating levels of adiponectin in patients with thyroid dysfunction before and after normalization of thyroid function with appropriate medication. DESIGN & METHODS One hundred and twenty patients with hyperthyroidism were recruited at the time of diagnosis. Measurements of free T4 (FT4), thyroid-stimulating hormone (TSH), thyrotropin binding inhibitor immunoglobulin (TBII), adiponectin, fasting blood glucose, fasting serum insulin, lipid profile, and body mass index (BMI) were taken before and after 6 months of medical treatment, at which point all patients were in a euthyroid state. RESULTS Any change in BMI was strongly correlated with changes in serum-adiponectin levels (r = -0.789, p<0.001). Any change in serum FT4 was also correlated with changes in BMI and serum adiponectin levels (r = -0.254, p = 0.05 and r = 0.501, p = 0.029 respectively). After controlling for BMI changes, we found correlation also between serum FT4 and adiponectin (r = 0.29, p = 0.005). Multivariate-regression analysis still revealed BMI to be a statistically strong predictor for serum-adiponectin level (p<0.001). However, that analysis also revealed thyroid function level as another predictor (p = 0.029). CONCLUSIONS Although BMI is the best predictor of adiponectin, that thyroid hormone might influence circulating levels of adiponectin.
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Affiliation(s)
- Ching-Jung Hsieh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital - Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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Iglesias P, Díez JJ. Influence of thyroid dysfunction on serum concentrations of adipocytokines. Cytokine 2007; 40:61-70. [DOI: 10.1016/j.cyto.2007.10.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2007] [Revised: 09/25/2007] [Accepted: 10/01/2007] [Indexed: 01/18/2023]
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Abstract
Over the past decade it has been established that adipose tissue is capable of secreting a variety of hormones, cytokines, growth factors, and other peptides that are capable of changing adipocyte biology as well as different organ systems, like the central nervous system, liver, pancreas, and skeletal muscles. Also, it is well known that changes of thyroid function are associated with marked changes in both body weight and energy expenditure. In recent years an extensive research is under way to explore the mutual roles of different adipokines and thyroid hormones. The aim of this review is to summarize our current knowledge on the role of basic peptides of adipose tissue, such as adiponectin, interleukin-6, tumor necrosis factor-alpha, and resistin, in states of altered thyroid function.
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Affiliation(s)
- Nikolaos Pontikides
- Department of Endocrinology, Diabetes, and Metabolism, Panagia General Hospital, Thessaloniki, Greece
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