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Azzeh F, Refaat B. Iodine adequacy in reproductive age and pregnant women living in the Western region of Saudi Arabia. BMC Pregnancy Childbirth 2020; 20:370. [PMID: 32571259 PMCID: PMC7310473 DOI: 10.1186/s12884-020-03057-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 06/16/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Despite the serious maternal and foetal complications associated with iodine deficiency during pregnancy, surveys related to pregnant women in the Kingdom of Saudi Arabia (KSA) are lacking. This study, therefore, measured urine iodine concentrations (UIC) alongside the potential socioeconomic factors contributing towards iodine inadequacy in reproductive age and pregnant Saudi women from the Western province of KSA. METHODS Spot urine samples were collected from 1222 pregnant and 400 age-matched non-pregnant/non-lactating reproductive age women. The socioeconomic characteristics were obtained through a structured questionnaire. The WHO criteria for iodine sufficiency in non-pregnant (100-199 μg/L) and pregnant (150-249 μg/L) women were applied. RESULTS The median UIC in the non-pregnant women (101.64 μg/L; IQR: 69.83-143.55) was at the lowermost WHO recommended cut-off, whereas the pregnant group was iodine deficient (112.99 μg/L; IQR: 81.01-185.57). Moreover, the median UIC was below adequacy across the different trimesters. The use of non-iodised salt significantly increased the risk of iodine deficiency in the non-pregnant (OR = 2.052; 95%CI: 1.118-3.766) and pregnant women (OR = 3.813; 95%CI: 1.992-7.297), whereas taking iodine supplements significantly lowered the risk in both groups (OR = 0.364; 95%CI: 0.172-0.771 and OR = 0.002; 95%CI: 0.001-0.005, respectively). Passive smoking was also an independent risk factor for iodine deficiency in the non-pregnant (OR = 1.818; 95%CI: 1.097-3.014) and pregnant (OR = 1.653; 95%CI: 1.043-2.618) groups. Additionally, BMI correlated independently and significantly with median UIC in the non-pregnant and pregnant populations. However, multiparity (OR = 3.091; 95%CI: 1.707-5.598) and earning below the minimum wage (2.520; 95%CI: 1.038-6.119) significantly increased the risk of iodine deficiency only in the non-pregnant women. CONCLUSIONS This study is the first to show borderline iodine sufficiency in reproductive age Saudi women from the Western province, whereas mild iodine deficiency was observed in the pregnant population and could represent a serious public health problem. This study also advocates the necessity to establish routine iodine dietary advice services by the health authorities to foster adequate iodine intake in pregnant women to avoid the perilous consequences of iodine deficiency on maternal-foetal health.
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Affiliation(s)
- Firas Azzeh
- Clinical Nutrition Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Bassem Refaat
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, Holy Makkah, PO Box 7607, Makkah, Saudi Arabia.
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Johns LE, Ferguson KK, McElrath TF, Mukherjee B, Seely EW, Meeker JD. Longitudinal Profiles of Thyroid Hormone Parameters in Pregnancy and Associations with Preterm Birth. PLoS One 2017; 12:e0169542. [PMID: 28060899 PMCID: PMC5217954 DOI: 10.1371/journal.pone.0169542] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 12/18/2016] [Indexed: 01/07/2023] Open
Abstract
Introduction Overt thyroid disease in pregnancy is associated with numerous maternal and neonatal complications including preterm birth. Less is known about the contribution of trimester-specific subclinical alterations in individual thyroid hormones, especially in late gestation, on the risk of preterm birth. Herein, we examined the associations between subclinical changes in maternal thyroid hormone concentrations (TSH, total T3, free and total T4), measured at multiple time points in pregnancy, and the odds of preterm birth in pregnant women without clinical thyroid disease. Participants and Methods Data were obtained from pregnant women participating in a nested case-control study of preterm birth within on ongoing birth cohort study at Brigham and Women’s Hospital in Boston, MA (N = 439; 116 cases and 323 controls). We measured thyroid hormones in plasma collected at up to four time points in pregnancy (median = 10, 18, 26, and 35 weeks). We used multivariate logistic regression models stratified by study visit of sample collection to examine associations. To reveal potential biological pathways, we also explored these relationships by obstetric presentation of preterm birth (e.g., spontaneous preterm delivery) that have been previously hypothesized to share common underlying mechanisms. Results In samples collected at median 10 and 26 weeks of gestation, we found inverse associations between FT4 and the odds of overall preterm birth (odds ratio [OR] = 0.57, 95% confidence interval (CI) = 0.33, 1.00; and OR = 0.53, 95% CI = 0.34, 0.84, respectively). Positive associations were detected for total T3 at these same time points (OR = 2.52, 95% CI = 1.20, 5.31; and OR = 3.40, 95% CI = 1.56, 7.40, respectively). These effect estimates were stronger for spontaneous preterm birth. Conclusions Our results suggest that subclinical alterations in individual maternal thyroid hormones may influence the risk of preterm birth, and the strength of these associations vary by gestational age.
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Affiliation(s)
- Lauren E. Johns
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, United States
| | - Kelly K. Ferguson
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, United States
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Thomas F. McElrath
- Division of Maternal and Fetal Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Bhramar Mukherjee
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, United States
| | - Ellen W. Seely
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - John D. Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, United States
- * E-mail:
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Elhaj ET, Adam I, Alim A, Elhassan EM, Lutfi MF. Thyroid Function/Antibodies in Sudanese Patients with Preeclampsia. Front Endocrinol (Lausanne) 2015; 6:87. [PMID: 26124747 PMCID: PMC4464070 DOI: 10.3389/fendo.2015.00087] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Accepted: 05/12/2015] [Indexed: 11/13/2022] Open
Abstract
Preeclampsia is an important cause of maternal and prenatal morbidity and mortality in the developing countries. Changes in thyroid function/antibodies profiles in preeclamptic women are controversial and were never investigated before in Sudan. A case-control study was conducted at Medani Hospital, Sudan, to investigate thyroid function/antibodies in preeclampsia. The sociodemographic, medical history was gathered using questionnaires. Thyroid hormones [thyroid-stimulating hormone (TSH), free tri-iodothyronine (T3), and free thyroxine (T4)] and anti-thyroid peroxidase (anti-TPO) and anti-thyroglobulin (anti-TG) antibodies were measured using ELISA. The three groups [controls, mild, and severe preeclampsia (SP) (55 women in each arm)] were matched in age and parity. While median (interquartile range) of TSH was significantly lower, both free T3 and free T4 levels were significantly higher in women with preeclampsia than in the healthy controls. There was no significant difference in the TSH levels in women with MP and SP. In comparison with women with MP, women with SP had significantly higher levels of free T3 and significantly lower levels of free T4. While anti-TPO antibodies were significantly higher, anti-TG antibodies were significantly lower in women with preeclampsia. Likewise, anti-TPO antibodies were significantly higher and anti-TG antibodies were significantly lower in women with SP than in women with MP. In linear regression, preeclampsia was significantly associated with TSH (-0.675 IU/ml, P = 0.009), free T3 (0.977 pg/ml, P < 0.001), and free T4 (0.186 ng/dl, P < 0.001) levels. In contrast to anti-TG antibodies and TSH, Sudanese patients with preeclampsia had higher levels of T3 and T4 hormones and anti-TPO antibodies irrespective of parity, gestational age, and hemoglobin levels.
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Affiliation(s)
- Enaam T. Elhaj
- Faculty of Applied Medical Science, Gezira University, Medani, Sudan
| | - Ishag Adam
- Faculty of Medicine, University of Khartoum, Khartoum, Sudan
- *Correspondence: Ishag Adam, Faculty of Medicine, University of Khartoum, P.O. Box 102, Khartoum 11111, Sudan,
| | - Ammar Alim
- Faculty of Applied Medical Science, Gezira University, Medani, Sudan
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Pessah-Pollack R, Eschler DC, Pozharny Z, Davies T. Apparent Insufficiency of Iodine Supplementation in Pregnancy. J Womens Health (Larchmt) 2014; 23:51-6. [DOI: 10.1089/jwh.2013.4298] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Rachel Pessah-Pollack
- Division of Endocrinology, Diabetes, and Bone Disease, Mount Sinai Medical Center, New York, New York
| | - Deirdre Cocks Eschler
- Division of Endocrinology, Diabetes, and Bone Disease, Mount Sinai Medical Center, New York, New York
| | - Zhenya Pozharny
- Department of Obstetrics and Gynecology, North Shore University Hospital, Manhasset, New York
| | - Terry Davies
- Division of Endocrinology, Diabetes, and Bone Disease, Mount Sinai Medical Center, New York, New York
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Rendina D, De Filippo G, Mossetti G, Zampa G, Muscariello R, Benvenuto G, Vivona CL, Ippolito S, Galante F, Lombardi G, Biondi B, Strazzullo P. Relationship between metabolic syndrome and multinodular non-toxic goiter in an inpatient population from a geographic area with moderate iodine deficiency. J Endocrinol Invest 2012; 35:407-12. [PMID: 21737999 DOI: 10.3275/7842] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Obesity and insulin resistance predispose individuals to the development of both metabolic syndrome and non-toxic nodular thyroid diseases. AIM The aim of this observational, cross-sectional study is to evaluate the relationship between metabolic syndrome and multinodular nontoxic goiter in an inpatient population from a geographic area with moderate iodine deficiency. SUBJECTS AND METHODS We examined 1422 Caucasian euthyroid inpatients. Thyroid volume was determined by ultrasound of the neck. A fine-needle aspiration biopsy was performed to evaluate single thyroid nodules and dominant nodules ≥15 mm in euthyroid multinodular goiter. The diagnosis of metabolic syndrome was made according to the criteria of the American Heart Association/ National Heart, Lung, and Blood Institute. RESULTS Of the sample, 277 patients had clinical evidence of multinodular nontoxic goiter, 461 met the criteria for the diagnosis of metabolic syndrome, and 132 were found to have both conditions. After adjusting for age, gender, body mass index, nicotinism, parity, alcohol intake, thyroid function, and metabolic syndrome- related pharmacological treatment, metabolic syndrome was found to be an independent risk factor for the occurrence of multinodular non-toxic goiter. The relationship between metabolic syndrome and multi nodular non-toxic goiter was apparent in both men and women. CONCLUSIONS In this study of euthyroid inpatients, we demonstrate that metabolic syndrome is an independent risk factor for the occurrence of multinodular non-toxic goiter in a geographic area with moderate iodine deficiency. We propose that patients meeting the criteria for metabolic syndrome should be screened for the presence of multinodular non-toxic goiter.
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Affiliation(s)
- D Rendina
- Department of Clinical and Experimental Medicine, Federico II University, Via S. Pansini 5, Naples, Italy
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Mousavi SM, Brandt A, Sundquist J, Hemminki K. Risks of papillary and follicular thyroid cancer among immigrants to Sweden. Int J Cancer 2011; 129:2248-55. [PMID: 21170937 DOI: 10.1002/ijc.25867] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2010] [Revised: 12/03/2010] [Accepted: 12/08/2010] [Indexed: 11/10/2022]
Abstract
Previous studies have indicated that ionizing radiation, particularly during childhood, is the main established risk factor for thyroid cancer. History of benign nodules/adenoma, goiter, iodine deficiency or high-iodine intake might be other associated factors. We wanted to define the histology-specific thyroid cancer risk in the first-generation immigrants to Sweden. We used the 2010 update of the nation-wide Swedish Family-Cancer Database (>12 million individuals; 1.8 million immigrants; histology code in force since 1958) to calculate standardized incidence ratios (SIRs) for histology-specific thyroid cancer among immigrants compared to the native Swedes. The patient series covered 2,604 male and 6,406 female Swedes, and 247 and 863 immigrants. The median age at immigration was 29 years, and the median age at thyroid cancer diagnosis was 46 years. Increased risks for female papillary carcinoma were observed for Finns (SIR = 1.63), former Yugoslavians (2.36), Russians (2.34), other East Europeans (2.14), Turks (3.16), Iranians (2.68), Iraqis (2.77), East and Southeast Asians (2.92), other Asians (1.69) and South Americans (2.23). Male Iranians (2.85), East and Southeast Asians (3.57) and other Asians (2.26) had an increased risk for papillary carcinoma. Only male East and Southeast Asians (2.93) had an increased risk for follicular carcinoma. The data might suggest that immigrant populations in Sweden from areas of low or high-iodine intake are at risk of papillary carcinoma, implicating iodine imbalance as a contributing factor to our findings. The increased risk of thyroid cancer among Asian immigrants may confirm the role of childhood-ionizing radiation on thyroid cancer risk.
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Affiliation(s)
- Seyed Mohsen Mousavi
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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Costeira MJ, Oliveira P, Ares S, de Escobar GM, Palha JA. Iodine status of pregnant women and their progeny in the Minho Region of Portugal. Thyroid 2009; 19:157-63. [PMID: 18976166 DOI: 10.1089/thy.2008.0249] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND Iodine sufficiency is particularly necessary throughout pregnancy, given its recognized impact on psychomotor performance of the offspring. There are no recent reports about iodine status or supplementation in Portugal, a country that the International Council for Control of Iodine Deficiency Disorders considered, in 2004, to have probably reached iodine sufficiency. The objective of this study was to evaluate in the Minho region of Portugal the iodine status of women throughout pregnancy and after delivery, and of their offspring. METHODS Urinary iodine concentration (UI) was determined in 78 nonpregnant premenopausal women, in 140 pregnant women in the three trimesters of pregnancy and after delivery, and in their 142 offspring. Milk iodine concentration was determined at day 3 and 3 months after delivery. The thyroid volume was determined in women in the third trimester of pregnancy and 3 months after delivery and in infants at 3 months of age. RESULTS Based on the World Health Organization criteria, both nonpregnant and pregnant women had iodine deficiency (ID), as documented by median UI of <75 microg/L and milk iodine concentration of <100 microg/L. Goiter was observed in 14% of the pregnant women. Concordant with the mother's ID, median neonatal UI was low (71 and 97 microg/L at 3 days and 3 months of age). CONCLUSION Portuguese women of the Minho region have an inadequate iodine intake, which may compromise the potential for full psychomotor development of their progeny. These observations suggest that iodine supplementation should be implemented throughout pregnancy and lactation in Portugal.
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Affiliation(s)
- Maria J Costeira
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal
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Soares R, Vanacor R, Manica D, Dorneles LB, Resende VL, Bertoluci MC, Furlanetto TW. Thyroid volume is associated with family history of thyroid disease in pregnant women with adequate iodine intake: a cross-sectional study in southern Brazil. J Endocrinol Invest 2008; 31:614-7. [PMID: 18787379 DOI: 10.1007/bf03345612] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UNLABELLED Maternal euthyroidism is important for fetal neural development. For this reason, adequate iodine nutrition during pregnancy is an important public health objective and should be periodically revised. The objective of this study was to measure urinary iodine (UI) excretion and the factors associated with thyroid volume (TV), in a group of healthy pregnant women in southern Brazil, to evaluate iodine nutrition. The median UI of the 147 women was 224 microg/l (P25=164 microg/l and P75=286 microg/l). Serum levels of free T4 and thyroglobulin did not correlate with UI, but there was a weak inverse correlation between serum TSH levels and UI (r=-0.200; p=0.02). TV, calculated through ultrasound in 57 women, was significantly associated with family history of thyroid diseases (p=0.002) and BMI (p=0.03), but there was no association with UI, corrected or not for creatinine, serum free T4, TSH or thyroglobulin, current or past smoking, gestational age, parity or oral contraceptive. CONCLUSIONS The healthy pregnant women studied had adequate iodine intake. In this situation, the main thyroid size determinants are probably genetic factors.
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Affiliation(s)
- R Soares
- Post-Graduation Program in Medicine: Medical Sciences, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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Jaén Díaz JI, de Castro FL, Cordero García B, Santillana Balduz F, Sastre Marcos J, dal Gesso CM. Enfermedad tiroidea y estado de yodación en el primer trimestre del embarazo. ACTA ACUST UNITED AC 2008; 55:196-201. [DOI: 10.1016/s1575-0922(08)70668-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2007] [Accepted: 01/21/2008] [Indexed: 11/25/2022]
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Papi G, Fadda G, Corsello SM, Corrado S, Rossi ED, Radighieri E, Miraglia A, Carani C, Pontecorvi A. Metastases to the thyroid gland: prevalence, clinicopathological aspects and prognosis: a 10-year experience. Clin Endocrinol (Oxf) 2007; 66:565-71. [PMID: 17371476 DOI: 10.1111/j.1365-2265.2007.02773.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Metastases to thyroid (TM) are rarely observed in the clinical practice. OBJECTIVE To assess the prevalence, clinicopathological aspects and prognosis of TM, and to evaluate the role of thyroidectomy in the management of TM. METHODS The pathology files (databases) of two Italian Pathology Units were searched for thyroid cytology (FNAC) and histology reports covering the time period January 1993 through December 2003. RESULTS Thirty-six cases of TM were found, accounting for 0.13% of thyroidectomies and 0.07% of FNAC. The main site of origin of TM was the lung, followed by oesophagus, breast and kidney. TM patients were divided into two groups, based on whether they were (Group 1) or were not (Group 2) submitted to surgery. Thirty-five subjects diagnosed with the same primary tumours as TM patients, but without TM, served as controls. The mean patient age, the mean time from diagnosis of primary tumour to TM detection, and the mean survival time did not significantly differ in Group 1 and Group 2 (63.2 +/- 1.6 vs. 66.6 +/- 2.9 years, 24.7 +/- 8.6 vs. 19.7 +/- 4.4 months and 24.3 +/- 4.9 vs. 39 +/- 9.9 months, respectively). In contrast, the mean time from detection of TM to death was longer in Group 1 than in Group 2 (14.3 +/- 2.5 vs. 4.5 +/- 0.5 months, respectively; P = 0.002). The overall survival of TM patients and control subjects was not significantly different (33.7 +/- 6.6 vs. 32.3 +/- 6 months). CONCLUSIONS TM is a rare event, is more frequent in patients older than 60 years, and has the same impact on prognosis as nonthyroidal metastases. Although thyroidectomy may be useful to avoid further dissemination of the primary tumour in case of solitary TM, it does not contribute to prolonging patient's life.
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Affiliation(s)
- Giampaolo Papi
- Department of Internal Medicine, Endocrinology Unit, University of Modena and Reggio Emilia, Italy
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Giannini S, Serio M, Galli A. Pleiotropic effects of thiazolidinediones: taking a look beyond antidiabetic activity. J Endocrinol Invest 2004; 27:982-91. [PMID: 15762051 DOI: 10.1007/bf03347546] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Thiazolidinediones (TZD) [Troglitazone (TRO), Pioglitazone (PGZ), Rosiglitazone, (RGZ)] are a novel class of antidiabetic drugs for patients with Type-2 diabetes mellitus (T2DM) able to decrease blood glucose, working through a reduction of insulin resistance. The family of TZD exerts its effect specifically bound to peroxisome proliferator-activated receptor y (PPARy). This is a member of the nuclear hormone receptor superfamily of ligand-dependent transcription factors, together with PPARalpha and deltabeta. Although PPARgamma is essentially expressed in adipose tissue, it has also been found in endothelial cells, macrophages, vascular smooth muscle cells, glomerular mesangial cells, hepatic stellate cells and in several cancer cell lines. In these cells, the PPARgamma activation by TZD determines modulatory effects on growth factor release, production of cytokine, cell proliferation and migration, extracellular matrix remodeling and control on cell cycle progression and differentiation. In addition, TZD have been shown to have a potent antioxidant effect. This review, taking a quick look beyond the antidiabetic activity of PPARgamma, shows the dramatic ranging of medical implications that the use of TZD could have modulating the PPARgamma activity in several diseases with a strong social impact, such as insulin resistance syndrome, chronic inflammation, atherosclerosis and cancer.
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Affiliation(s)
- S Giannini
- Endocrinology Unit, Department of Clinical Pathophysiology, University of Florence, Italy.
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Papi G, Carapazzi C. Pregnancy and multinodular goiter. J Endocrinol Invest 2002; 25:665. [PMID: 12150346 DOI: 10.1007/bf03345095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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