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de Sousa PAM, Pereira JRD, Carneiro JRI, de Vasconcelos AL, Fortunato RS, Carvalho DP, Teixeira PDFDS. Impact of Bariatric Surgery on Thyroid Morphology and Thyroid Function. Obes Surg 2023; 33:3193-3197. [PMID: 37589830 DOI: 10.1007/s11695-023-06779-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 07/28/2023] [Accepted: 08/10/2023] [Indexed: 08/18/2023]
Abstract
INTRODUCTION Few studies have evaluated the impact of bariatric surgery (BS) on thyroid function and morphology, and how it correlates to inflammatory and metabolic markers. We aimed to evaluate all those parameters together. METHODS A longitudinal study included 70 patients with severe obesity. The bariatric group (BG) enrolled 40 patients who underwent BS, and the control group (CG) enrolled 30 patients who did not undergo BS. Both were submitted (pre- and 2nd-year) to thyroid ultrasound and laboratory analyses to determine the levels of thyroid hormones, inflammatory, and metabolic markers. RESULTS Thyroid volume (TV) decreased after BS (-1.5 cm3), differing significantly from the CG (+0.6 cm3; p = 0.003). ΔTV was independently and positively correlated with ΔHOMA-IR (0.41 (0.11/7.16) p = 0.007) and ΔIL6 (0.02 (0.01/0.3) p = 0.016). A nonsignificant correlation between ΔTV and ΔBMI was detected (0.38 (-0.01/0.09) p = 0.152). We also observed a negative correlation between ΔTV and ΔTSH (-2.03 (-2.87/-1.19) p = 0.000) and ΔT3/T4 ratio (-0.06 (-0.09/-0.02) p = 0.001). TSH had a nonsignificant reduction with BS (-0.3872 vs. -0.2483 p = 0.128). The conversion of T4 to T3 had a significant increase after BS, as demonstrated by the T3/T4 ratio (+5.16 p = 0.01). Despite an increase in the prevalence of thyroid nodules in the BG, it was not statistically significant (p = 0.340). CONCLUSION BS was associated with a reduction in TV and a nonstatistically significant reduction in TSH. The variations in TV were related to the metabolic markers and inflammatory changes. An increase in the conversion of T4 to T3 with BS was detected, possibly related to inflammatory improvement.
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Affiliation(s)
- Priscila A M de Sousa
- Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Av. Prof. Rodolfo Rocco 255, Rio de Janeiro, RJ, 21941-617, Brazil.
| | - Joana R D Pereira
- Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Av. Prof. Rodolfo Rocco 255, Rio de Janeiro, RJ, 21941-617, Brazil
| | - João Regis I Carneiro
- Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Av. Prof. Rodolfo Rocco 255, Rio de Janeiro, RJ, 21941-617, Brazil
| | - Andressa L de Vasconcelos
- Instituto de Biofísica Carlos Chagas Filho, Av. Carlos Chagas Filho, 373, Cidade Universitária, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-170, Brazil
| | - Rodrigo S Fortunato
- Instituto de Biofísica Carlos Chagas Filho, Av. Carlos Chagas Filho, 373, Cidade Universitária, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-170, Brazil
| | - Denise P Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Av. Carlos Chagas Filho, 373, Cidade Universitária, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-170, Brazil
| | - Patrícia de Fátima Dos S Teixeira
- Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Av. Prof. Rodolfo Rocco 255, Rio de Janeiro, RJ, 21941-617, Brazil
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Amorim JA, Sa ILR, Rojas MVR, Santos Neto NF, Galardo AKR, Carvalho DP, Ribeiro KAN, Sallum MAM. Aquatic Macrophytes Hosting Immature Mansonia (Mansonia) Blanchard, 1901 (Diptera, Culicidae) in Porto Velho, Rondonia State, Brazil. J Med Entomol 2022; 59:631-637. [PMID: 35043213 DOI: 10.1093/jme/tjab223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Indexed: 06/14/2023]
Abstract
High abundance of hematophagous mosquitoes of the genus Mansonia Blanchard, 1901 (Diptera: Culicidae) threatens human and domestic animal health and well-being. Knowledge of the biology of nuisance mosquito species is necessary to understand specific ecological and biological factors to enable rapid and effective monitoring measures for sustainable control programs. The establishment and dispersion of Mansonia species are associated with the occurrence of aquatic macrophytes species, which are indispensable for the development of larvae and pupae. To increase knowledge of the host plants for Mansonia immature stages in Porto Velho, Rondonia State, Brazil, specimens of four plant species, which occur across the tributaries of the Madeira River were sampled and inspected for the presence of egg batches, larvae, and pupae. A total of 1,386 larvae and pupae of Mansonia spp. were collected attached to the roots of Eichhornia crassipes (Mart.) Solms (Commelinales: Pontederiaceae), Pistia stratiotes L. (Alismatales: Araceae), and Limnobium laevigatum (Humb. and Bonpl. Ex Willd.) Heine (Alismatales: Hydrocharitaceae). The novel association of Mansonia species with L. laevigatum is presented. Egg batches of Mansonia spp. were found only on Salvinia molesta D.S. Mitch. (Salviniales: Salviniaceae). Possible differences in the roles played by E. crassipes and S. molesta in the reproductive cycle of Mansonia spp. in the surveyed area are discussed. All species of host plants including E. crassipes, P. stratiotes, S. molesta, and L. laevigatum should be considered when planning macrophyte management for the control of Mansonia species.
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Affiliation(s)
- J A Amorim
- Departamento de Epidemiologia, Faculdade de Saude Publica, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Departamento de Ciencias e Matematica, Instituto Federal de Educacao, Ciencia e Tecnologia de Sao Paulo, Sao Paulo, SP, Brazil
| | - I L R Sa
- Departamento de Epidemiologia, Faculdade de Saude Publica, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - M V R Rojas
- Departamento de Epidemiologia, Faculdade de Saude Publica, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - N F Santos Neto
- Laboratório de Entomologia Medica, Instituto de Pesquisas Cientificas e Tecnologicas do Estado do Amapa, Macapa, AP, Brazil
| | - A K R Galardo
- Laboratório de Entomologia Medica, Instituto de Pesquisas Cientificas e Tecnologicas do Estado do Amapa, Macapa, AP, Brazil
| | - D P Carvalho
- Gerencia de Meio Ambiente, Saude e Segurança do Trabalho, Santo Antonio Energia, Porto Velho, RO, Brazil
| | - K A N Ribeiro
- Gerencia de Meio Ambiente, Saude e Segurança do Trabalho, Santo Antonio Energia, Porto Velho, RO, Brazil
| | - M A M Sallum
- Departamento de Epidemiologia, Faculdade de Saude Publica, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
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Araujo PB, Carvallo MS, Vidal AP, Nascimento JB, Wo JM, Naliato EO, Cunha Neto SH, Conceição FL, Fontes R, de Lima VV, Carvalho DP, Soares P, Lima J, Lourenço DM, Violante AHD. Case Report: Composite pheochromocytoma with ganglioneuroma component: A report of three cases. Front Endocrinol (Lausanne) 2022; 13:903085. [PMID: 36187102 PMCID: PMC9515550 DOI: 10.3389/fendo.2022.903085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Composite pheochromocytoma (CP) is a very rare tumor originating from neural crest cells, predominantly composed of pheochromocytoma (PCC), a chromaffin cell tumor arising in adrenal medulla, and ganglioneuroma, a tumor derived from autonomic ganglion cells of the nervous system. Moreover, CP may be present in the hereditary syndromes of which pheochromocytoma is part. Literature offers scarce data on this subject, and particularly about its biological behavior, clinical evolution, and molecular profile. We report the phenotype and outcome of three cases of CP (PCC and ganglioneuroma components), followed up at the Endocrine Service of the Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, UFRJ, Rio de Janeiro, Brazil. Two nonsyndromic patients (cases 1 and 2) were negative to germline mutations in genes VHL, SDHB, SDHC, SDHD, SDHAF2, TMEM127, and MAX, while the third case (case 3) had clinical diagnosis of neurofibromatosis syndrome. Cases 1, 2, and 3 were diagnosed at 29, 39, and 47 years old, respectively, and were followed up for 3, 17, and 9 years without no CP recurrence. All cases had apparent symptoms of catecholaminergic excess secreted by PCC. Ganglioneuroma, the neurogenic component present in all three cases, had a percentage representation ranging from 5% to 15%. Tumors were unilateral and large, measuring 7.0 cm × 6.0 cm × 6.0 cm, 6.0 cm × 4.0 cm × 3.2 cm, and 7.5 cm × 6.0 cm × 4.5 cm, respectively. All cases underwent adrenalectomy with no recurrence, metastasis, or development of contralateral tumor during follow-up. Genetic testing has been scarcely offered to CP cases. However, a similar frequency of genetic background is found when compared with classic PCC, mainly by the overrepresentation of NF1 cases in the CP subset. By literature review, we identified a notorious increase in cases reported with CP in the last decade, especially in the last 3 years, indicating a recent improvement in the diagnosis of this rare disorder in clinical practice.
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Affiliation(s)
- Paula B. Araujo
- Medical Board of Clinical Analysis Department, Dasa, Rio de Janeiro, Brazil
- Medical School, Endocrine Service, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mirna S. Carvallo
- Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana P. Vidal
- Pathology Service Clementino Fraga Filho University Hospital, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João B. Nascimento
- Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Julia M. Wo
- Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Erika O. Naliato
- Ricardo Castilho Center of Studies Teresopolis Medical Association, Teresopolis, Rio de Janeiro, Brazil
| | - Silvio H. Cunha Neto
- Endocrine Surgery Service, Hospital Universitario Clementino Fraga Filho, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flavia L. Conceição
- Medical School, Endocrinology Unit, Hospital Universitario Clementino Fraga Filho, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rosita Fontes
- Medical Board of Clinical Analysis Department, Dasa, Rio de Janeiro, Brazil
| | - Vinicius V. de Lima
- Laboratorio de Fisiologia Endocrina Doris Rosenthal, Instituto de Biofísica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P. Carvalho
- Laboratorio de Fisiologia Endocrina Doris Rosenthal, Instituto de Biofísica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paula Soares
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Institute of Research and Innovation in Health of the University do Porto, Porto, Portugal
- Department of Pathology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Jorge Lima
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Institute of Research and Innovation in Health of the University do Porto, Porto, Portugal
- Department of Medicine, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Delmar M. Lourenço
- Endocrine Genetic Unit, Endocrinology Division, Hospital das Clínicas, University of Sao Paulo School of Medicine, University of Sao Paulo, São Paulo, Brazil
- Endocrine Oncology Division, Institute of Cancer of the State of Sao Paulo, University of Sao Paulo School of Medicine, University of Sao Paulo, São Paulo, Brazil
| | - Alice Helena D. Violante
- Medical School, Endocrinology Unit, Hospital Universitario Clementino Fraga Filho, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- *Correspondence: Alice Helena D. Violante,
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Carvalho DP, Peters VM, Dias AF, Dutra SCPL, Guerra MO. Valerian treatment during the postpartum period alters breast milk composition and impairs long-term memory in female rat offspring. ACTA ACUST UNITED AC 2021; 54:e10192. [PMID: 34586325 DOI: 10.1590/1414-431x2021e10192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/02/2021] [Indexed: 11/22/2022]
Abstract
Maternal anxiety symptoms in the perinatal period might have long-term health effects on both the mother and the developing child. Valerian is a phytotherapeutic agent that is widely used for the treatment of anxiety. This study investigated the effects of valerian treatment in postpartum rats on maternal care, toxicity, and milk composition. Postnatal development, memory, and anxiety behavior in the offspring were also assessed. Postpartum Wistar rats received the valerian (500, 1000, or 2000 mg·kg-1·day-1) by oral gavage. Clinical and biochemical toxicity was evaluated with commercial kits. Maternal behavior was observed daily. Milk composition was analyzed by colorimetric methods. Physical and neuromotor tests were used to analyze postnatal development. Anxiolytic activity was assessed by the elevated plus maze, and memory was evaluated by the step-down inhibitory avoidance task. Maternal toxicity and care behavior were not altered by the treatment, while only the highest dose promoted a significant increase of lactose, and the doses 1000 and 2000 mg·kg-1·day-1 promoted a reduction of protein contents in milk. Postnatal development was similar in all offspring. Adult offspring did not display altered anxiety behavior, while long-term memory was impaired in the female adult offspring by maternal treatment with 1000 mg·kg-1·day-1. These results suggested that high doses of valerian had significant effects on important maternal milk components and can cause long-term alterations of offspring memory; thus, treatment with high doses of valerian is not safe for breastfeeding Wistar rat mothers.
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Affiliation(s)
- D P Carvalho
- Centro de Biologia da Reprodução, Universidade Federal de Juiz de Fora, Juíz de Fora, MG, Brasil
| | - V M Peters
- Centro de Biologia da Reprodução, Universidade Federal de Juiz de Fora, Juíz de Fora, MG, Brasil
| | - A F Dias
- Centro de Biologia da Reprodução, Universidade Federal de Juiz de Fora, Juíz de Fora, MG, Brasil
| | - S C P L Dutra
- Departamento de Nutrição, Universidade Federal de Juiz de Fora, Juíz de Fora, MG, Brasil
| | - M O Guerra
- Centro de Biologia da Reprodução, Universidade Federal de Juiz de Fora, Juíz de Fora, MG, Brasil
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Felipe SMDS, de Freitas RM, Penha EDDS, Pacheco C, Martins DL, Alves JO, Soares PM, Loureiro ACC, Lima T, Silveira LR, Ferraz ASM, de Souza JES, Leal-Cardoso JH, Carvalho DP, Ceccatto VM. Transcriptional profile in rat muscle: down-regulation networks in acute strenuous exercise. PeerJ 2021; 9:e10500. [PMID: 33859869 PMCID: PMC8020866 DOI: 10.7717/peerj.10500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/15/2020] [Indexed: 11/20/2022] Open
Abstract
Background Physical exercise is a health promotion factor regulating gene expression and causing changes in phenotype, varying according to exercise type and intensity. Acute strenuous exercise in sedentary individuals appears to induce different transcriptional networks in response to stress caused by exercise. The objective of this research was to investigate the transcriptional profile of strenuous experimental exercise. Methodology RNA-Seq was performed with Rattus norvegicus soleus muscle, submitted to strenuous physical exercise on a treadmill with an initial velocity of 0.5 km/h and increments of 0.2 km/h at every 3 min until animal exhaustion. Twenty four hours post-physical exercise, RNA-seq protocols were performed with coverage of 30 million reads per sample, 100 pb read length, paired-end, with a list of counts totaling 12816 genes. Results Eighty differentially expressed genes (61 down-regulated and 19 up-regulated) were obtained. Reactome and KEGG database searches revealed the most significant pathways, for down-regulated gene set, were: PI3K-Akt signaling pathway, RAF-MAP kinase, P2Y receptors and Signaling by Erbb2. Results suggest PI3K-AKT pathway inactivation by Hbegf, Fgf1 and Fgr3 receptor regulation, leading to inhibition of cell proliferation and increased apoptosis. Cell signaling transcription networks were found in transcriptome. Results suggest some metabolic pathways which indicate the conditioning situation of strenuous exercise induced genes encoding apoptotic and autophagy factors, indicating cellular stress. Conclusion Down-regulated networks showed cell transduction and signaling pathways, with possible inhibition of cellular proliferation and cell degeneration. These findings reveal transitory and dynamic process in cell signaling transcription networks in skeletal muscle after acute strenuous exercise.
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Affiliation(s)
| | | | | | - Christina Pacheco
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | - Danilo Lopes Martins
- Digital Metropolis Institute, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Juliana Osório Alves
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | - Paula Matias Soares
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | | | - Tanes Lima
- Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Leonardo R Silveira
- Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | | | | | | | - Denise P Carvalho
- Carlos Chagas Filho Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vania Marilande Ceccatto
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
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Bouviere J, Fortunato RS, Dupuy C, Werneck-de-Castro JP, Carvalho DP, Louzada RA. Exercise-Stimulated ROS Sensitive Signaling Pathways in Skeletal Muscle. Antioxidants (Basel) 2021; 10:antiox10040537. [PMID: 33808211 PMCID: PMC8066165 DOI: 10.3390/antiox10040537] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/16/2021] [Accepted: 03/26/2021] [Indexed: 12/11/2022] Open
Abstract
Physical exercise represents a major challenge to whole-body homeostasis, provoking acute and adaptative responses at the cellular and systemic levels. Different sources of reactive oxygen species (ROS) have been described in skeletal muscle (e.g., NADPH oxidases, xanthine oxidase, and mitochondria) and are closely related to the physiological changes induced by physical exercise through the modulation of several signaling pathways. Many signaling pathways that are regulated by exercise-induced ROS generation, such as adenosine monophosphate-activated protein kinase (AMPK), mitogen activated protein kinase (MAPK), nuclear respiratory factor2 (NRF2), and PGC-1α are involved in skeletal muscle responses to physical exercise, such as increased glucose uptake, mitochondriogenesis, and hypertrophy, among others. Most of these adaptations are blunted by antioxidants, revealing the crucial role played by ROS during and after physical exercise. When ROS generation is either insufficient or exacerbated, ROS-mediated signaling is disrupted, as well as physical exercise adaptations. Thus, an understanding the limit between "ROS that can promote beneficial effects" and "ROS that can promote harmful effects" is a challenging question in exercise biology. The identification of new mediators that cause reductive stress and thereby disrupt exercise-stimulated ROS signaling is a trending on this topic and are covered in this current review.
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Affiliation(s)
- Jessica Bouviere
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (J.B.); (R.S.F.); (D.P.C.)
| | - Rodrigo S. Fortunato
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (J.B.); (R.S.F.); (D.P.C.)
| | - Corinne Dupuy
- Université Paris-Saclay, UMR 9019CNRS, Gustave Roussy, 94800 Villejuif, France;
| | - Joao Pedro Werneck-de-Castro
- Division of Endocrinology, Diabetes and Metabolism, Miller School of Medicine, University of Miami, Miami, FL 33136, USA;
| | - Denise P. Carvalho
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (J.B.); (R.S.F.); (D.P.C.)
| | - Ruy A. Louzada
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (J.B.); (R.S.F.); (D.P.C.)
- Université Paris-Saclay, UMR 9019CNRS, Gustave Roussy, 94800 Villejuif, France;
- Division of Endocrinology, Diabetes and Metabolism, Miller School of Medicine, University of Miami, Miami, FL 33136, USA;
- Correspondence:
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Matta L, Fonseca TS, Faria CC, Lima-Junior NC, De Oliveira DF, Maciel L, Boa LF, Pierucci APTR, Ferreira ACF, Nascimento JHM, Carvalho DP, Fortunato RS. The Effect of Acute Aerobic Exercise on Redox Homeostasis and Mitochondrial Function of Rat White Adipose Tissue. Oxid Med Cell Longev 2021; 2021:4593496. [PMID: 33603946 PMCID: PMC7868166 DOI: 10.1155/2021/4593496] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 12/01/2020] [Accepted: 01/16/2021] [Indexed: 12/21/2022]
Abstract
Physical exercise is characterized by an increase in physical and metabolic demand in face of physical stress. It is reported that a single exercise session induces physiological responses through redox signaling to increase cellular function and energy support in diverse organs. However, little is known about the effect of a single bout of exercise on the redox homeostasis and cytoprotective gene expression of white adipose tissue (WAT). Thus, we aimed at evaluating the effects of acute aerobic exercise on WAT redox homeostasis, mitochondrial metabolism, and cytoprotective genic response. Male Wistar rats were submitted to a single moderate-high running session (treadmill) and were divided into five groups: control (CTRL, without exercise), and euthanized immediately (0 h), 30 min, 1 hour, or 2 hours after the end of the exercise session. NADPH oxidase activity was higher in 0 h and 30 min groups when compared to CTRL group. Extramitochondrial ROS production was higher in 0 h group in comparison to CTRL and 2 h groups. Mitochondrial respiration in phosphorylative state increased in 0 h group when compared to CTRL, 30 min, 1, and 2 h groups. On the other hand, mitochondrial ATP production was lower in 0 h in comparison to 30 min group, increasing in 1 and 2 h groups when compared to CTRL and 0 h groups. CAT activity was lower in all exercised groups when compared to CTRL. Regarding oxidative stress biomarkers, we observed a decrease in reduced thiol content in 0 h group compared to CTRL and 2 h groups, and higher levels of protein carbonylation in 0 and 30 min groups in comparison to the other groups. The levels returned to basal condition in 2 h group. Furthermore, aerobic exercise increased NRF2, GPX2, HMOX1, SOD1, and CAT mRNA levels. Taken together, our results suggest that one session of aerobic exercise can induce a transient prooxidative state in WAT, followed by an increase in antioxidant and cytoprotective gene expression.
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Affiliation(s)
- Leonardo Matta
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Túlio S. Fonseca
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Caroline C. Faria
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | | | - Dahienne F. De Oliveira
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Leonardo Maciel
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Luiz F. Boa
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | | | - Andrea C. F. Ferreira
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
- NUMPEX, Duque de Caxias Campus, Federal University of Rio de Janeiro, Brazil
| | - José H. M. Nascimento
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Denise P. Carvalho
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Rodrigo S. Fortunato
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
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Pires MF, Leandro NSM, Oliveira HF, Jacob DV, Carvalho FB, Stringhini JH, Carvalho DP, Andrade CL. Effect of Dietary Inclusion of Protected Sodium Butyrate on the Digestibility and Intestinal Histomorphometry of Commercial Laying Hens. Braz J Poult Sci 2021. [DOI: 10.1590/1806-9061-2020-1406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- MF Pires
- Federal University of Goiás, Brazil
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Louzada RA, Bouviere J, Matta LP, Werneck-de-Castro JP, Dupuy C, Carvalho DP, Fortunato RS. Redox Signaling in Widespread Health Benefits of Exercise. Antioxid Redox Signal 2020; 33:745-760. [PMID: 32174127 DOI: 10.1089/ars.2019.7949] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Exercise-induced reactive oxygen species (ROS) production activates multiple intracellular signaling pathways through genomic and nongenomic mechanisms that are responsible for the beneficial effects of exercise in muscle. Beyond the positive effect of exercise on skeletal muscle cells, other tissues such as white and brown adipose, liver, central nervous system, endothelial, heart, and endocrine organ tissues are also responsive to exercise. Recent Advances: Crosstalk between different cells is essential to achieve homeostasis and to promote the benefits of exercise through paracrine or endocrine signaling. This crosstalk can be mediated by different effectors that include the secretion of metabolites of muscle contraction, myokines, and exosomes. During the past 20 years, it has been demonstrated that contracting muscle cells produce and secrete different classes of myokines, which functionally link muscle with nearly all other cell types. Critical Issues: The redox signaling behind this exercise-induced crosstalk is now being decoded. Many of these widespread beneficial effects of exercise require not only a complex ROS-dependent intramuscular signaling cascade but simultaneously, an integrated network with many remote tissues. Future Directions: Strong evidence suggests that the powerful beneficial effect of regular physical activity for preventing (or treating) a large range of disorders might also rely on ROS-mediated signaling. Within a contracting muscle, ROS signaling may control exosomes and myokines secretion. In remote tissues, exercise generates regular and synchronized ROS waves, creating a transient pro-oxidative environment in many cells. These new concepts integrate exercise, ROS-mediated signaling, and the widespread health benefits of exercise.
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Affiliation(s)
- Ruy A Louzada
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Université Paris-Sud, Orsay, UMR 8200 CNRS and Institut Gustave Roussy, Villejuif, France
| | - Jessica Bouviere
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonardo P Matta
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Joao Pedro Werneck-de-Castro
- Division of Endocrinology, Diabetes and Metabolism, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Corinne Dupuy
- Université Paris-Sud, Orsay, UMR 8200 CNRS and Institut Gustave Roussy, Villejuif, France
| | - Denise P Carvalho
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo S Fortunato
- Institut of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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10
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Barthem CS, Rossetti CL, Carvalho DP, da-Silva WS. Metformin ameliorates body mass gain and early metabolic changes in ovariectomized rats. Endocr Connect 2019; 8:1568-1578. [PMID: 31751310 PMCID: PMC6933833 DOI: 10.1530/ec-19-0470] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 11/19/2019] [Indexed: 01/04/2023]
Abstract
Estradiol has been used to prevent metabolic diseases, bone loss and menopausal symptoms, even though it might raise the risk of cancer. Metformin is usually prescribed for type 2 diabetes mellitus and lowers food intake and body mass while improving insulin resistance and the lipid profile. Ovariectomized rats show increased body mass, insulin resistance and changes in the lipid profile. Thus, the aim of this work was to evaluate whether metformin could prevent the early metabolic dysfunction that occurs early after ovariectomy. Female Wistar rats were divided into the following groups: SHAM-operated (SHAM), ovariectomized (OVX), ovariectomized + estradiol (OVX + E2) and ovariectomized + metformin (OVX + M). Treatment with metformin diminished approximately 50% of the mass gain observed in ovariectomized animals and reduced both the serum and hepatic triglyceride levels. The hepatic levels of phosphorylated AMP-activated protein kinase (pAMPK) decreased after OVX, and the expression of the inactive form of hepatic acetyl-CoA carboxylase (ACC) was also reduced. Metformin was able to increase the levels of pAMPK in the liver of OVX animals, sustaining the balance between the inactive and total forms of ACC. Estradiol effects were similar to those of metformin but with different proportions. Our results suggest that metformin ameliorates the early alterations of metabolic parameters and rescues hepatic AMPK phosphorylation and ACC inactivation observed in ovariectomized rats.
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Affiliation(s)
- Clarissa Souza Barthem
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Camila Lüdke Rossetti
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Correspondence should be addressed to D P Carvalho or W S da-Silva: or
| | - Wagner Seixas da-Silva
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Correspondence should be addressed to D P Carvalho or W S da-Silva: or
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11
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Abstract
Plastics are ubiquitously present in our daily life and some components of plastics are endocrine-disrupting chemicals, such as bisphenol A and phthalates. Herein, we aimed to evaluate the effect of plastic endocrine disruptors on type 1 and type 2 deiodinase activities, enzymes responsible for the conversion of the pro-hormone T4 into the biologically active thyroid hormone T3, both in vitro and in vivo. Initially, we incubated rat liver type 1 deiodinase and brown adipose tissue type 2 deiodinase samples with 0.5 mM of the plasticizers, and the deiodinase activity was measured. Among them, only BPA was capable to inhibit both type 1 and type 2 deiodinases. Then, adult male Wistar rats were treated orally with bisphenol A (40 mg/kg b.w.) for 15 days and hepatic type 1 deiodinase and brown adipose tissue type 2 deiodinase activities and serum thyroid hormone concentrations were measured. In vivo bisphenol A treatment significantly reduced hepatic type 1 deiodinase activity but did not affect brown adipose tissue type 2 deiodinase activity. Serum T4 levels were higher in bisphenol A group, while T3 remained unchanged. T3/T4 ratio was decreased in rats treated with bisphenol A, reinforcing the idea that peripheral metabolism of thyroid hormone was affected by bisphenol A exposure. Therefore, our results suggest that bisphenol A can affect the metabolism of thyroid hormone thus disrupting thyroid signaling.
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Affiliation(s)
- Maurício Martins da Silva
- Laboratory of Endocrine Physiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carlos Frederico Lima Gonçalves
- Laboratory of Endocrine Physiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leandro Miranda-Alves
- Laboratory of Endocrine Physiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo Soares Fortunato
- Laboratório de Fisiologia e Sinalização Redox, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratory of Endocrine Physiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- Laboratory of Endocrine Physiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- NUMPEX, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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12
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Rossetti CL, Oliveira Costa HM, Barthem CS, da Silva MH, Carvalho DP, da‐Silva WS. Sexual dimorphism of liver endoplasmic reticulum stress susceptibility in prepubertal rats and the effect of sex steroid supplementation. Exp Physiol 2019; 104:677-690. [DOI: 10.1113/ep087518] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 02/27/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Camila Lüdke Rossetti
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de MeisUniversidade Federal do Rio de Janeiro, Cidade Universitária Rio de Janeiro Rio de Janeiro 21941‐902 Brazil
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro Rio de Janeiro 21949‐900 Brazil
| | - Hellen Marianne Oliveira Costa
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de MeisUniversidade Federal do Rio de Janeiro, Cidade Universitária Rio de Janeiro Rio de Janeiro 21941‐902 Brazil
| | - Clarissa Souza Barthem
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de MeisUniversidade Federal do Rio de Janeiro, Cidade Universitária Rio de Janeiro Rio de Janeiro 21941‐902 Brazil
| | - Michele Hinerasky da Silva
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de MeisUniversidade Federal do Rio de Janeiro, Cidade Universitária Rio de Janeiro Rio de Janeiro 21941‐902 Brazil
| | - Denise P. Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro Rio de Janeiro 21949‐900 Brazil
| | - Wagner Seixas da‐Silva
- Laboratório de Adaptações Metabólicas, Programa de Bioquímica e Biofísica Celular, Instituto de Bioquímica Médica Leopoldo de MeisUniversidade Federal do Rio de Janeiro, Cidade Universitária Rio de Janeiro Rio de Janeiro 21941‐902 Brazil
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13
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Mousovich‐Neto F, Matos MS, Costa ACR, Melo Reis RA, Atella GC, Miranda‐Alves L, Carvalho DP, Ketzer LA, Corrêa da Costa VM. Brown adipose tissue remodelling induced by corticosterone in male Wistar rats. Exp Physiol 2019; 104:514-528. [DOI: 10.1113/ep087332] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 01/15/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Felippe Mousovich‐Neto
- Laboratório de Fisiologia Endócrina Doris Rosenthal Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Marina Souza Matos
- Laboratório de Fisiologia Endócrina Doris Rosenthal Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Anna Carolina Rego Costa
- Laboratório de Neuroquímica Instituto de Biofísica Carlos Chagas Filho Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Ricardo Augusto Melo Reis
- Laboratório de Neuroquímica Instituto de Biofísica Carlos Chagas Filho Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Georgia Correa Atella
- Laboratório de Bioquímica de Lipídeos e Lipoproteínas Instituto de Bioquímica Médica Leopoldo de Meis Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Leandro Miranda‐Alves
- Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Denise P. Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Luisa Andrea Ketzer
- Núcleo Multidisciplinar de Pesquisa UFRJ‐Xerém em Biologia Campus Duque de Caxias Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
| | - Vânia Maria Corrêa da Costa
- Laboratório de Fisiologia Endócrina Doris Rosenthal Universidade Federal do Rio de Janeiro Rio de Janeiro Brasil
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14
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de Castro TP, Penha RCC, Buexm LA, de Carvalho FN, Oliveira RDVC, Agarez FV, Pinto LW, Carvalho DP. Molecular Predictors for Advanced Papillary Thyroid Carcinoma Recurrence. Front Endocrinol (Lausanne) 2019; 10:839. [PMID: 31866944 PMCID: PMC6907036 DOI: 10.3389/fendo.2019.00839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/18/2019] [Indexed: 02/01/2023] Open
Abstract
Despite its indolent course, one-third of the papillary thyroid carcinoma (PTC) cases relapses, which directly impact on the quality of patients' lives. The molecular predictors of recurrence of PTC are poorly defined. We aimed at evaluating the long-term (10-20 years) prognostic value of aggressiveness markers in advanced PTC. To this end, immunohistochemistry for BRAFV600E, Estrogen receptor α, Progesterone receptor, Ki-67, and E-cadherin were performed in 53 primary advanced PTC from an up to 20 years follow-up patients from a well-characterized Brazilian cohort. Categorical data were summarized using frequencies and groups were compared using Chi-squared and Fisher's exact tests. The expressions of the aggressiveness markers were associated with clinical-pathological data using the single-covariate logistic regression analysis. The Kaplan-Meier method with the Log-rank and Peto tests was used to estimate the probability of PTC-free survival. Persistence and recurrence (active disease) were associated with age (≥55 years), tumor size (>2 cm), extrathyroidal extension, local aggressiveness, macroscopic lymph node metastasis, and TNM stage at initial treatment. The BRAFV600E mutation status was associated with extrathyroidal extension, local aggressiveness, and inversely associated with distant metastasis at initial treatment. All progesterone receptor-positive patients had active disease and displayed a shorter time of PTC-free survival than the negative ones using the Kaplan-Meir analysis (p = 0.001, Log Rank; p = 0.005, Peto). Loss of E-cadherin expression was associated with an increase in the probability of active disease (OR = 3.75). BRAFV600E could be useful as a biomarker of local aggressiveness, while PR positive and E-cadherin loss of expression could predict the recurrence of advanced PTC.
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Affiliation(s)
| | | | - Luisa Aguirre Buexm
- Molecular Carcinogenesis Program, Research Center, National Institute of Cancer, Rio de Janeiro, Brazil
| | | | | | | | | | - Denise P. Carvalho
- Endocrine Physiology Laboratory Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- *Correspondence: Denise P. Carvalho
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15
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Vasconcelos RP, Peixoto MS, de Oliveira KA, Ferreira ACF, Coelho-de-Souza AN, Carvalho DP, de Oliveira AC, Fortunato RS. Sex differences in subcutaneous adipose tissue redox homeostasis and inflammation markers in control and high-fat diet fed rats. Appl Physiol Nutr Metab 2018; 44:720-726. [PMID: 30517031 DOI: 10.1139/apnm-2018-0611] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The development of obesity-related metabolic disorders is more evident in male in comparison with female subjects, but the mechanisms are unknown. Several studies have shown that oxidative stress is involved in the pathophysiology of obesity, but the majority of these studies were performed with male animals. The aim of this study was to evaluate the sex-related differences in subcutaneous adipose tissue redox homeostasis and inflammation of rats chronically fed a high-fat diet. NADPH oxidase (NOX), glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase activities were evaluated in the subcutaneous adipose tissue (SC) of adult male and female rats fed either a standard chow (SCD) or a high-fat diet (HFD) for 11 weeks. NOX2 and NOX4 messenger RNA (mRNA) levels, total reduced thiols, interleukin (IL)-1β, tumor necrosis factor α (TNF-α), and IL-6 were also determined. Higher antioxidant enzyme activities and total reduced thiol levels were detected in SC of control male compared with female rats. Chronic HFD administration increased NOX activity and NOX2 and NOX4 mRNA levels and decreased SOD and GPx activities only in male animals. IL-1β, TNF-α, and IL-6 levels, as well as Adgre1, CD11b, and CD68 mRNA levels, were also higher in SC of males after HFD feeding. In SC of females, catalase activity was higher after HFD feeding. Taken together, our results show that redox homeostasis and inflammation of SC is sexually dimorphic. Furthermore, males show higher oxidative stress in SC after 11 weeks of HFD feeding owing to both increased reactive oxygen species (ROS) production through NOX2 and NOX4 and decreased ROS detoxification.
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Affiliation(s)
- Renata Prado Vasconcelos
- a Laboratório de Fisiologia Endócrina e Metabolismo, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Ceará 60714-903, Brazil
| | - Milena Simões Peixoto
- b Laboratório de Fisiologia e Sinalização Redox, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Keciany Alves de Oliveira
- a Laboratório de Fisiologia Endócrina e Metabolismo, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Ceará 60714-903, Brazil
| | - Andrea Claudia Freitas Ferreira
- c Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil.,d NUMPEX, Polo Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro 25245-390, Brazil
| | - Andrelina Noronha Coelho-de-Souza
- a Laboratório de Fisiologia Endócrina e Metabolismo, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Ceará 60714-903, Brazil
| | - Denise P Carvalho
- c Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Ariclécio Cunha de Oliveira
- a Laboratório de Fisiologia Endócrina e Metabolismo, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Ceará 60714-903, Brazil.,c Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Rodrigo S Fortunato
- b Laboratório de Fisiologia e Sinalização Redox, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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16
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Louzada RA, Corre R, Ameziane-El-Hassani R, Hecht F, Cazarin J, Buffet C, Carvalho DP, Dupuy C. Conformation of the N-Terminal Ectodomain Elicits Different Effects on DUOX Function: A Potential Impact on Congenital Hypothyroidism Caused by a H 2O 2 Production Defect. Thyroid 2018; 28:1052-1062. [PMID: 29845893 DOI: 10.1089/thy.2017.0596] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Dual oxidases (DUOX1 and DUOX2) were initially identified as H2O2 sources involved in thyroid hormone synthesis. Congenital hypothyroidism (CH) resulting from inactivating mutations in the DUOX2 gene highlighted that DUOX2 is the major H2O2 provider to thyroperoxidase. The role of DUOX1 in the thyroid remains unknown. A recent study suggests that it could compensate for DUOX2 deficiency in CH. Both DUOX enzymes and their respective maturation factors DUOXA1 and DUOXA2 form a stable complex at the cell surface, which is fundamental for their enzymatic activity. Recently, intra- and intermolecular disulfide bridges were identified that are essential for the structure and the function of the DUOX2-DUOXA2 complex. This study investigated the involvement of cysteine residues conserved in DUOX1 toward the formation of disulfide bridges, which could be important for the function of the DUOX1DUOXA1 complex. METHODS To analyze the role of these cysteine residues in both the targeting and function of dual oxidase, different human DUOX1 mutants were constructed, where the cysteine residues were replaced with glycine. The effect of these mutations on cell surface expression and H2O2-generating activity of the DUOX1-DUOXA1 complex was analyzed. RESULTS Mutations of two cysteine residues (C118 and C1165), involved in the formation of the intramolecular disulfide bridge between the N-terminal ectodomain and one of the extracellular loops, mildly altered the function and the targeting of DUOX1, while this bridge is crucial for DUOX2 function. Unlike DUOXA2, with respect to DUOX2, the stability of the maturation factor DUOXA1 is not dependent on the oxidative folding of DUOX1. Only mutation of C579 induced a strong alteration of both targeting and function of the oxidase by preventing the covalent interaction between DUOX1 and DUOXA1. CONCLUSION An intermolecular disulfide bridge rather than an intramolecular disulfide bridge is important for both the trafficking and H2O2-generating activity of the DUOX1-DUOXA1 complex.
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Affiliation(s)
- Ruy Andrade Louzada
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
- 4 Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Raphael Corre
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
| | - Rabii Ameziane-El-Hassani
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
- 5 Laboratoire de Biologie des Pathologies Humaines "BioPatH," Université Mohammed V , Faculté des Sciences, Rabat, Morocco
| | - Fabio Hecht
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
- 4 Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Juliana Cazarin
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
- 4 Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Camille Buffet
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
| | - Denise P Carvalho
- 4 Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Corinne Dupuy
- 1 Université Paris-Sud , Orsay, France
- 2 UMR 8200 CNRS , Villejuif, France
- 3 Gustave Roussy , Villejuif, France
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17
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Cavalcanti-de-Albuquerque JP, Kincheski GC, Louzada RA, Galina A, Pierucci APTR, Carvalho DP. Intense physical exercise potentiates glucose inhibitory effect over food intake of male Wistar rats. Exp Physiol 2018; 103:1076-1086. [PMID: 29893447 DOI: 10.1113/ep086916] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 06/06/2018] [Indexed: 11/08/2022]
Abstract
NEW FINDINGS What is the central question of this study? How does an acute session of exercise affect food intake of male Wistar rats? What is the main finding and its importance? Food intake in male Wistar rats is decreased in the first hour after physical exercise independent of the intensity. Moreover, high-intensity exercise potentiates the anorexic effect of peripheral glucose administration. This work raises new feeding-related targets that would explain how exercise drives body weight loss. ABSTRACT Obesity has emerged as a critical metabolic disorder in modern society. An adequate lifestyle with a well-oriented programme of diet and physical exercise (PE) can prevent or potentially even cure obesity. Additionally, PE might lead to weight loss by increasing energy expenditure and decreasing hunger perception. In this article, we hypothesize that an acute exercise session would potentiate the glucose inhibitory effects on food intake in male Wistar rats. Our data show that moderate- or high-intensity PE significantly decreased food intake, although no changes in the expression of feeding-related neuropeptide in the arcuate nucleus of the hypothalamus were found. Exercised animals demonstrated a reduced glucose tolerance and increased blood insulin concentration. Intraperitoneal administration of glucose decreased food intake in control animals. In the animals submitted to moderate-intensity PE, the decrease in food intake promoted by glucose was similar to controls; however, an interaction was observed when glucose was injected in the high-intensity PE group, in which food intake was significantly lower than the effect produced by glucose alone. A different pattern of expression was observed for the monocarboxylate transporter isoforms (MCT1, 2 and 4) and 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFBP3) in the hypothalamus, which was dependent on the exercise intensity. In conclusion, PE decreases food intake independently of the intensity. However, an interaction between PE and the anorexic effect of glucose is only observed when a high-intensity exercise is performed. These data show an essential role of exercise intensity in the modulation of the glucose inhibitory effect on food intake.
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Affiliation(s)
- João Paulo Cavalcanti-de-Albuquerque
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,Institute of Nutrition Josue de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Grasielle Clotildes Kincheski
- Institute of Medical Biochemistry Leopoldo De Meis, Federal University of Rio de Janeiro, Center of Health Science, Rio de Janeiro, Brazil
| | - Ruy Andrade Louzada
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Antônio Galina
- Institute of Medical Biochemistry Leopoldo De Meis, Federal University of Rio de Janeiro, Center of Health Science, Rio de Janeiro, Brazil
| | | | - Denise P Carvalho
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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18
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Abstract
Among all the adaptations of cancer cells, their ability to change metabolism from the oxidative to the glycolytic phenotype is a hallmark called the Warburg effect. Studies on tumor metabolism show that improved glycolysis and glutaminolysis are necessary to maintain rapid cell proliferation, tumor progression, and resistance to cell death. Thyroid neoplasms are common endocrine tumors that are more prevalent in women and elderly individuals. The incidence of thyroid cancer has increased in the Past decades, and recent findings describing the metabolic profiles of thyroid tumors have emerged. Currently, several drugs are in development or clinical trials that target the altered metabolic pathways of tumors are undergoing. We present a review of the metabolic reprogramming in cancerous thyroid tissues with a focus on the factors that promote enhanced glycolysis and the possible identification of promising metabolic targets in thyroid cancer.
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Affiliation(s)
- Raquel Guimaraes Coelho
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo S. Fortunato
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P. Carvalho
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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19
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Gonçalves CFL, de Freitas ML, Fortunato RS, Miranda-Alves L, Carvalho DP, Ferreira ACF. Rutin Scavenges Reactive Oxygen Species, Inactivates 5'-Adenosine Monophosphate-Activated Protein Kinase, and Increases Sodium-Iodide Symporter Expression in Thyroid PCCL3 Cells. Thyroid 2018; 28:265-275. [PMID: 29160164 DOI: 10.1089/thy.2016.0585] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Thyroid iodide uptake, mediated by the sodium-iodide symporter (NIS), is essential for thyroid hormone synthesis and also for treatment of thyroid diseases, such as thyroid cancer, through radioiodine therapy. Therefore, compounds able to increase thyroid iodide uptake could be clinically useful, and it is of great importance to unravel the mechanisms underlying such an effect. It has been shown previously that the flavonoid rutin increases thyroid radioiodide uptake in vivo in rats. This study aimed to investigate the mechanisms involved in the stimulatory effect of rutin on iodide uptake. METHODS This study evaluated iodide uptake, NIS expression and its subcellular distribution, iodide efflux, reactive oxygen species levels, and the intracellular pathways involved in NIS regulation in a rat thyroid PCCL3 cell line treated with rutin. RESULTS Similar to previous results found in vivo, rutin increased radioiodide uptake in PCCL3 cells, which was accompanied by increased NIS expression (at both the mRNA and protein levels) and a reduction of radioiodide efflux. Moreover, the results suggest that rutin could regulate NIS subcellular distribution, leading to higher levels of NIS at the cell membrane. In addition, rutin decreased the levels of intracellular reactive oxygen species and phospho-5'-adenosine monophosphate-activated protein kinase. CONCLUSIONS The flavonoid rutin seems to be an important stimulator of radioiodide uptake, acting at multiple levels, an effect that can be due to decreased oxidative stress, reduced 5'-adenosine monophosphate-activated protein kinase activation, or both. Since thyroid iodide uptake is crucial for effective radioiodine therapy, the results suggest that rutin could be useful as an adjuvant in radioiodine therapy.
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Affiliation(s)
| | - Mariana Lopes de Freitas
- 1 Laboratory of Endocrine Physiology, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Rodrigo Soares Fortunato
- 2 Laboratory of Molecular Radiobiology, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Leandro Miranda-Alves
- 3 Group of Research and Innovation in Experimental Endocrinology, Instituto de Ciências Biomédicas, Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Denise P Carvalho
- 1 Laboratory of Endocrine Physiology, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- 1 Laboratory of Endocrine Physiology, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
- 4 NUMPEX, Polo de Xerém, Universidade Federal do Rio de Janeiro , Brazil
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Louzada RA, Carvalho DP. Similarities and Differences in the Peripheral Actions of Thyroid Hormones and Their Metabolites. Front Endocrinol (Lausanne) 2018; 9:394. [PMID: 30072951 PMCID: PMC6060242 DOI: 10.3389/fendo.2018.00394] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 06/26/2018] [Indexed: 01/16/2023] Open
Abstract
Thyroxine (T4) and 3,5,3'-triiodothyronine (T3) are secreted by the thyroid gland, while T3 is also generated from the peripheral metabolism of T4 by iodothyronine deiodinases types I and II. Several conditions like stress, diseases, and physical exercise can promote changes in local TH metabolism, leading to different target tissue effects that depend on the presence of tissue-specific enzymatic activities. The newly discovered physiological and pharmacological actions of T4 and T3 metabolites, such as 3,5-diiodothyronine (3,5-T2), and 3-iodothyronamine (T1AM) are of great interest. A classical thyroid hormone effect is the ability of T3 to increase oxygen consumption in almost all cell types studied. Approximately 30 years ago, a seminal report has shown that 3,5-T2 increased oxygen consumption more rapidly than T3 in hepatocytes. Other studies demonstrated that exogenous 3,5-T2 administration was able to increase whole body energy expenditure in rodents and humans. In fact, 3,5-T2 treatment prevents diabetic nephropathy, hepatic steatosis induced by high fat diet, insulin resistance, and weight gain during aging in Wistar male rats. The regulation of mitochondria is likely one of the most important actions of T3 and its metabolite 3,5-T2, which was able to restore the thermogenic program of brown adipose tissue (BAT) in hypothyroid rats, just as T3 does, while T1AM administration induced rapid hypothermia. T3 increases heart rate and cardiac contractility, which are hallmark effects of hyperthyroidism involved in cardiac arrhythmia. These deleterious cardiac effects were not observed with the use of 3,5-T2 pharmacological doses, and in contrast T1AM was shown to promote a negative inotropic and chronotropic action at micromolar concentrations in isolated hearts. Furthermore, T1AM has a cardioprotective effect in a model of ischemic/reperfusion injury in isolated hearts, such as occurs with T3 administration. Despite the encouraging possible therapeutic use of TH metabolites, further studies are needed to better understand their peripheral effects, when compared to T3 itself, in order to establish their risk and benefit. On this basis, the main peripheral effects of thyroid hormones and their metabolites in tissues, such as heart, liver, skeletal muscle, and BAT are discussed herein.
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Abstract
Thyroid hormones (TH) 3,5,3',5'- tetraiodothyronine or thyroxine (T4) and 3,5,3'- triiodothyronine (T3) contain iodine atoms as part of their structure, and their synthesis occur in the unique structures called thyroid follicles. Iodide reaches thyroid cells through the bloodstream that supplies the basolateral plasma membrane of thyrocytes, where it is avidly taken up through the sodium/iodide symporter (NIS). Thyrocytes are also specialized in the secretion of the high molecular weight protein thyroglobulin (TG) in the follicular lumen. The iodination of the tyrosyl residues of TG preceeds TH biosynthesis, which depends on the interaction of iodide, TG, hydrogen peroxide (H2O2) and thyroid peroxidase (TPO) at the apical plasma membrane of thyrocytes. Thyroid hormone biosynthesis is under the tonic control of thyrotropin (TSH), while the iodide recycling ability is very important for normal thyroid function. We discuss herein the biochemical aspects of TH biosynthesis and release, highlighting the novel molecules involved in the process.
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Affiliation(s)
- Denise P Carvalho
- Biophysics Institute of Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Corinne Dupuy
- Université Paris-Saclay, Orsay, France; UMR 8200 CNRS, Villejuif, France; Institut de Cancérologie Gustave Roussy, Villejuif, Ile-de-France, France
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22
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Bernardes JR, Faria CC, Andrade IS, Ferreira ACF, Carvalho DP, Leitão AC, de Alencar TAM, Fortunato RS. Effect of the FE 2+ chelation by 2,2'-dipyridyl in the doxorubicin-induced lethality in breast tumor cell lines. Life Sci 2017; 192:128-135. [PMID: 29180001 DOI: 10.1016/j.lfs.2017.11.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/17/2017] [Accepted: 11/23/2017] [Indexed: 12/22/2022]
Abstract
Breast cancer cells may exhibit changes in iron homeostasis, which results in increased labile iron pool (LIP) levels. Several studies highlight the crucial role of high LIP levels in the maintenance of tumor cell physiology. Iron chelators have been tested in anticancer therapy in combination with chemotherapeutic agents, to improve drug efficacy. Thus, the aim of this study was to evaluate the effect of 2,2'-dipyridyl (DIP), a Fe2+ chelator, in combination with doxorubicin (DOX) in breast tumor cells. The maximum concentration of DIP that did not significantly reduce the viability of MDA-MB-231 cells was 10μM and for MCF-7 cells was 50μM. We observed that MCF-7 had higher LIP levels than MDA-MB-231 cells. DIP alone increased ROS generation in MCF-7 cells, and DIP pretreatment reduced ROS generation induced by DOX treatment. In conclusion, the increase in MCF-7 cell viability induced by DIP pretreatment in DOX-treated cells seems to be related to an increase in the cellular antioxidant capacity and the iron chelator did not improve drug efficacy in the two breast tumor cell lines analyzed.
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Affiliation(s)
- Jéssica R Bernardes
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Caroline C Faria
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Iris S Andrade
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alvaro C Leitão
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tatiana A M de Alencar
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo S Fortunato
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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Pantaleão TU, Ferreira ACF, Santos MCS, Figueiredo ÁSP, Louzada RAN, Rosenthal D, Carvalho DP, Corrêa da Costa VM. Effect of thimerosal on thyroid hormones metabolism in rats. Endocr Connect 2017; 6:741-747. [PMID: 29101249 PMCID: PMC5670274 DOI: 10.1530/ec-17-0220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 10/05/2017] [Indexed: 01/09/2023]
Abstract
Mercury seems to exert an inhibitory effect on deiodinases, but there are few studies using Thimerosal (TM) as the mercury source. We aimed to elucidate the effect of TM on thyroid hormones peripheral metabolism. Adult Wistar female rats received 0.25 µg or 250 µg TM/100 g BW, IM, twice a week, for a month. We evaluated serum total T3 and T4, D1 activity using 125I-rT3 as tracer, and D2 activity using 125I-T4 NADPH oxidase activity was measured by Amplex-red/HRP method and mRNA levels by real time PCR. Serum T4 was increased and T3 decreased by the greatest dose of TM. Even though D1 activity in pituitary and kidney was reduced by the highest dose of TM, hepatic D1 activity and D1 mRNA levels remained unchanged. D2 activity was also significantly decreased by the highest dose of TM in all CNS samples tested, except cerebellum, but D2 mRNA was unaltered. mRNA levels of the tested NADPH oxidases were not affected by TM and NADPH oxidase activity was either unaltered or decreased. Our results indicate that TM might directly interact with deiodinases, inhibiting their activity probably by binding to their selenium catalytic site, without changes in enzyme expression.
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Affiliation(s)
- Thiago U Pantaleão
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea C F Ferreira
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- NUMPEXPólo de Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maria C S Santos
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Álvaro S P Figueiredo
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ruy A N Louzada
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Doris Rosenthal
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vânia M Corrêa da Costa
- Laboratório de Fisiologia Endócrina Doris RosenthalInstituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Gigena N, Alamino VA, Montesinos MDM, Nazar M, Louzada RA, Wajner SM, Maia AL, Masini-Repiso AM, Carvalho DP, Cremaschi GA, Pellizas CG. Dissecting thyroid hormone transport and metabolism in dendritic cells. J Endocrinol 2017; 232:337-350. [PMID: 28052998 DOI: 10.1530/joe-16-0423] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 12/15/2016] [Indexed: 01/23/2023]
Abstract
We reported thyroid hormone (TH) receptor expression in murine dendritic cells (DCs) and 3,5,3'-triiodothyronine (T3)-dependent stimulation of DC maturation and ability to develop a Th1-type adaptive response. Moreover, an increased DC capacity to promote antigen-specific cytotoxic T-cell activity, exploited in a DC-based antitumor vaccination protocol, was revealed. However, putative effects of the main circulating TH, l-thyroxine (T4) and the mechanisms of TH transport and metabolism at DC level, crucial events for TH action at target cell level, were not known. Herein, we show that T4 did not reproduce those registered T3-dependent effects, finding that may reflect a homoeostatic control to prevent unspecific systemic activation of DCs. Besides, DCs express MCT10 and LAT2 TH transporters, and these cells mainly transport T3 with a favored involvement of MCT10 as its inhibition almost prevented T3 saturable uptake mechanism and reduced T3-induced IL-12 production. In turn, DCs express iodothyronine deiodonases type 2 and 3 (D2, D3) and exhibit both enzymatic activities with a prevalence towards TH inactivation. Moreover, T3 increased MCT10 and LAT2 expression and T3 efflux from DCs but not T3 uptake, whereas it induced a robust induction of D3 with a parallel slight reduction in D2. These findings disclose pivotal events involved in the mechanism of action of THs on DCs, providing valuable tools for manipulating the immunogenic potential of these cells. Furthermore, they broaden the knowledge of the TH mechanism of action at the immune system network.
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Affiliation(s)
- Nicolás Gigena
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Vanina A Alamino
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - María Del Mar Montesinos
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Magalí Nazar
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Ruy A Louzada
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Rio de Janeiro, Brazil
| | - Simone M Wajner
- Thyroid UnitEndocrinology Division, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana L Maia
- Thyroid UnitEndocrinology Division, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana M Masini-Repiso
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Denise P Carvalho
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Rio de Janeiro, Brazil
| | - Graciela A Cremaschi
- Laboratorio de Neuroinmunomodulación y Oncología MolecularInstituto de Investigaciones Biomédicas (BIOMED-CONICET), Universidad Católica Argentina, Ciudad Autónoma de Buenos Aires, Argentina
| | - Claudia G Pellizas
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET)Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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Valerio CM, de Almeida JS, Moreira RO, Aguiar LBS, Siciliano PO, Carvalho DP, Godoy-Matos AF. Dipeptidyl peptidase-4 levels are increased and partially related to body fat distribution in patients with familial partial lipodystrophy type 2. Diabetol Metab Syndr 2017; 9:26. [PMID: 28450900 PMCID: PMC5404683 DOI: 10.1186/s13098-017-0226-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 04/18/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Dipeptidyl peptidase-4 (DDP4) is an enzyme responsible for glucagon-like peptide-1 inactivation and plays an important role in glucose metabolism. OBJECTIVE The aim of this study was to evaluate DPP4 levels in patients with familial partial lipodystrophy type 2 (FPLD2) and correlate it with body fat distribution. METHODS Fourteen patients with FPLD2 were selected to participate in this study and matched to a healthy control group (n = 8). All participants had anthropometrical data registered. Body adiposity index (BAI) was used to evaluate fat distribution in this population. Body fat content and distribution were analyzed by dual X-ray absorptiometry (DXA). Biochemical exams, including DPP4 levels, were performed in all individuals. RESULTS Despite the same body mass index, lipodystrophic patients had a significant lower hip (median 92.0 vs 94.5; p = 0.028), HDL cholesterol (42.6 ± 10.4 vs 66.1 ± 16.0; p < 0.01) and BAI (24.1 ± 2.8 vs 29.0 ± 3.7; p = 0.02), suggesting that BAI was able to catch differences in fat distribution between groups. On the other hand, patients with FPLD2 presented significant higher levels of insulin (median 11.2 vs 5.3; p = 0.015), triglycerides (184.9 ± 75.4 vs 89.1 ± 51.0; p < 0.01) and DPP4 (4.89 ± 0.92 vs 3.93 ± 1.08; p = 0.04). A trend toward an inverse statistical significance was observed between DPP4 levels and BAI (r = -0.38; p = 0.072). In the lipodistrophic group, a significant correlation was found between DPP4 levels and percentage of total body fat (r = 0.86; p = 0.0025) and android fat (r = 0.78; p = 0.014). CONCLUSIONS Patients with FPLD2 exhibit an increase in DDP4 levels in comparison to a healthy control group. The increase in the levels of this enzyme does not seem to be related to the diagnosis of diabetes and might be associated with an increase in central fat (estimated using BAI and measured using DXA). These results might be used to reinforce the concept that DDP4 is an adipokine related to central fat distribution.
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Affiliation(s)
- Cynthia Melissa Valerio
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
| | - Juliana Severo de Almeida
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
| | - Rodrigo Oliveira Moreira
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
| | - Luiza Barreto. S. Aguiar
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
| | - Priscila O. Siciliano
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
| | - Denise P. Carvalho
- Endocrine Physiology Laboratory, Biophysics Institute of Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rua Carlos Chagas Filho, 373, Prédio do CCS, Ilha do Fundão, Rio de Janeiro, RJ CEP 21944-97 Brazil
| | - Amelio F. Godoy-Matos
- Metabolism Unit, Instituto Estadual de Diabetes e Endocrinologia (IEDE), Rua Moncorvo Filho 90, Rio de Janeiro, RJ CEP 20211-340 Brazil
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Loureiro ACC, do Rêgo-Monteiro IC, Louzada RA, Ortenzi VH, de Aguiar AP, de Abreu ES, Cavalcanti-de-Albuquerque JPA, Hecht F, de Oliveira AC, Ceccatto VM, Fortunato RS, Carvalho DP. Differential Expression of NADPH Oxidases Depends on Skeletal Muscle Fiber Type in Rats. Oxid Med Cell Longev 2016; 2016:6738701. [PMID: 27847553 PMCID: PMC5101397 DOI: 10.1155/2016/6738701] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 09/08/2016] [Accepted: 09/21/2016] [Indexed: 01/24/2023]
Abstract
NADPH oxidases (NOX) are important sources of reactive oxygen species (ROS) in skeletal muscle, being involved in excitation-contraction coupling. Thus, we aimed to investigate if NOX activity and expression in skeletal muscle are fiber type specific and the possible contribution of this difference to cellular oxidative stress. Oxygen consumption rate, NOX activity and mRNA levels, and the activity of catalase (CAT), glutathione peroxidase (GPX), and superoxide dismutase (SOD), as well as the reactive protein thiol levels, were measured in the soleus (SOL), red gastrocnemius (RG), and white gastrocnemius (WG) muscles of rats. RG showed higher oxygen consumption flow than SOL and WG, while SOL had higher oxygen consumption than WG. SOL showed higher NOX activity, as well as NOX2 and NOX4 mRNA levels, antioxidant enzymatic activities, and reactive protein thiol contents when compared to WG and RG. NOX activity and NOX4 mRNA levels as well as antioxidant enzymatic activities were higher in RG than in WG. Physical exercise increased NOX activity in SOL and RG, specifically NOX2 mRNA levels in RG and NOX4 mRNA levels in SOL. In conclusion, we demonstrated that NOX activity and expression differ according to the skeletal muscle fiber type, as well as antioxidant defense.
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Affiliation(s)
- Adriano César Carneiro Loureiro
- Laboratório de Expressão Gênica, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | - Igor Coutinho do Rêgo-Monteiro
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ruy A Louzada
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Victor Hugo Ortenzi
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Angélica Ponte de Aguiar
- Laboratório de Expressão Gênica, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | - Ewerton Sousa de Abreu
- Laboratório de Expressão Gênica, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | | | - Fabio Hecht
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ariclécio Cunha de Oliveira
- Laboratório de Expressão Gênica, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | - Vânia Marilande Ceccatto
- Laboratório de Expressão Gênica, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | - Rodrigo S Fortunato
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Fogacci MF, da Silva Barbirato D, Rodrigues MO, da Silva Furtado Amaral C, Carvalho DP. Periodontitis and Infertility: An Evidence-Based Review. ACTA ACUST UNITED AC 2016. [DOI: 10.17352/gjfr.000003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Coelho RG, Cazarin JDM, Cavalcanti de Albuquerque JPA, de Andrade BM, Carvalho DP. Differential glycolytic profile and Warburg effect in papillary thyroid carcinoma cell lines. Oncol Rep 2016; 36:3673-3681. [PMID: 27748844 DOI: 10.3892/or.2016.5142] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 06/09/2016] [Indexed: 11/05/2022] Open
Abstract
Acceleration of glycolysis is a characteristic of neoplasia. Previous studies have shown that a metabolic shift occurs in many tumors and correlates with a negative prognosis. The present study aimed to investigate the glycolytic profile of thyroid carcinoma cell lines. We investigated glycolytic and oxidative parameters of two thyroid carcinoma papillary cell lines (BCPAP and TPC1) and the non-tumor cell line NTHY-ori. All carcinoma cell lines showed higher rates of glycolysis efficiency, when compared to NTHY-ori, as assessed by a higher rate of glucose consumption and lactate production. The BCPAP cell line presented higher rates of growth, as well as elevated intracellular ATP levels, compared to the TPC1 and NTHY-ori cells. We found that glycolysis and activities of pentose phosphate pathway (PPP) regulatory enzymes were significantly different among the carcinoma cell lines, particularly in the mitochondrial hexokinase (HK) activity which was higher in the BCPAP cells than that in the TPC1 cell line which showed a balanced distribution of HK activity between cytoplasmic and mitochondrial subcellular localizations. However, TPC1 had higher levels of glucose‑6-phosphate dehydrogenase activity, suggesting that the PPP is elevated in this cell type. Using high resolution respirometry, we observed that the Warburg effect was present in the BCPAP and TPC1 cells, characterized by low oxygen consumption and high reactive oxygen species production. Overall, these results indicate that both thyroid papillary carcinoma cell lines showed a glycolytic profile. Of note, BCPAP cells presented some relevant differences in cell metabolism compared to TPC1 cells, mainly related to higher mitochondrial-associated HK activity.
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Affiliation(s)
- Raquel Guimarães Coelho
- Laboratory of Endocrine Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Juliana de Menezes Cazarin
- Laboratory of Endocrine Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | | | - Bruno Moulin de Andrade
- Laboratory of Endocrine Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Denise P Carvalho
- Laboratory of Endocrine Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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Ribeiro TS, Carvalho DP, Guimarães MT, Campina NN, Lobarinhas MR, Lopes ALJ, Cunha MG, Souza IB, Oliveira VLF, Martins LC, Gomes A, Pereira LAA, Braga ALF. Prevalence of hypertension and its associated factors in contaminated areas of the Santos-São Vicente Estuarine region and Bertioga, Brazil: 2006-2009. Environ Sci Pollut Res Int 2016; 23:19387-96. [PMID: 27376370 DOI: 10.1007/s11356-016-7138-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 06/21/2016] [Indexed: 05/20/2023]
Abstract
In Brazil, cardiovascular diseases account for 33% of deaths and the prevalence of hypertension is of approximately 22%. The Santos and São Vicente Estuarine System is the most important example of environmental degradation by chemicals from industrial sources. The aim of the present study was to evaluate the prevalence of hypertension and its associated factors in the population of this estuary in the period 2006-2009. A cross-sectional study was conducted to assess the aforementioned prevalence of hypertension in the evaluated areas, as well as risk factors for this disease in four contaminated areas located in the Estuary, and one area outside Estuary, the city of Bertioga. Associations between categorical variables were tested using Pearson's chi-square test incorporating Yates' correction, or Fisher's exact test. Single and multiple logistic regression models were applied to evaluate the risk factors for hypertension. The highest prevalence of hypertension was found in Continental São Vicente (28.4%). The risk factors for hypertension were the following: living in Center of Cubatão (OR: 1.3; IC95%: 1.0 - 1.6) and Continental São Vicente (OR: 1.4; IC95%: 1.1 - 1.8); illiterate (OR: 1.9; IC95%: 1.1 - 3.2); living in the area for more than 20 years (OR: 1.2; IC95%: 1.0 - 1.5); group of people aged 36-60 years (OR: 3.9; IC95%: 3.3 - 4.6) and who have had past occupational exposure (OR: 1.3; IC95%: 1.1 - 1.6). Results indicate that living in contaminated areas, especially for a longer time, is a risk factor for hypertension.
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Affiliation(s)
- T S Ribeiro
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil.
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil.
| | - D P Carvalho
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
| | - M T Guimarães
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - N N Campina
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
| | - M R Lobarinhas
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
| | - A L J Lopes
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - M G Cunha
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - I B Souza
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - V L F Oliveira
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - L C Martins
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
| | - A Gomes
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
- Contemporary Cultural Studies Centre (CEDEC), R. Airosa Galvão, 64. Água Branca, São Paulo, SP, Cep. 05002-070, Brazil
| | - L A A Pereira
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
- Contemporary Cultural Studies Centre (CEDEC), R. Airosa Galvão, 64. Água Branca, São Paulo, SP, Cep. 05002-070, Brazil
| | - A L F Braga
- Environmental Epidemiology Study Group, Laboratory of Experimental Air Pollution, Department of Pathology, University of São Paulo Faculty of Medical Sciences, Av. Dr. Arnaldo, 455, 10 floor, room 1304, Cerqueira Cézar, São Paulo, SP, Cep 01246-903, Brazil
- Environmental Exposure and Risk Assessment Group, Collective Health Post-graduation Program, Catholic University of Santos, Av Conselheiro Nébias, 300. Vila Mathias, Santos, SP, Cep. 11015-002, Brazil
- Contemporary Cultural Studies Centre (CEDEC), R. Airosa Galvão, 64. Água Branca, São Paulo, SP, Cep. 05002-070, Brazil
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Bocco BMLC, Louzada RAN, Silvestre DHS, Santos MCS, Anne-Palmer E, Rangel IF, Abdalla S, Ferreira AC, Ribeiro MO, Gereben B, Carvalho DP, Bianco AC, Werneck-de-Castro JP. Thyroid hormone activation by type 2 deiodinase mediates exercise-induced peroxisome proliferator-activated receptor-γ coactivator-1α expression in skeletal muscle. J Physiol 2016; 594:5255-69. [PMID: 27302464 PMCID: PMC5023700 DOI: 10.1113/jp272440] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/30/2016] [Indexed: 11/08/2022] Open
Abstract
KEY POINTS In skeletal muscle, physical exercise and thyroid hormone mediate the peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1a) expression that is crucial to skeletal muscle mitochondrial function. The expression of type 2 deiodinase (D2), which activates thyroid hormone in skeletal muscle is upregulated by acute treadmill exercise through a β-adrenergic receptor-dependent mechanism. Pharmacological block of D2 or disruption of the Dio2 gene in skeletal muscle fibres impaired acute exercise-induced PGC-1a expression. Dio2 disruption also impaired muscle PGC-1a expression and mitochondrial citrate synthase activity in chronically exercised mice. ABSTRACT Thyroid hormone promotes expression of peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1a), which mediates mitochondrial biogenesis and oxidative capacity in skeletal muscle (SKM). Skeletal myocytes express the type 2 deiodinase (D2), which generates 3,5,3'-triiodothyronine (T3 ), the active thyroid hormone. To test whether D2-generated T3 plays a role in exercise-induced PGC-1a expression, male rats and mice with SKM-specific Dio2 inactivation (SKM-D2KO or MYF5-D2KO) were studied. An acute treadmill exercise session (20 min at 70-75% of maximal aerobic capacity) increased D2 expression/activity (1.5- to 2.7-fold) as well as PGC-1a mRNA levels (1.5- to 5-fold) in rat soleus muscle and white gastrocnemius muscle and in mouse soleus muscle, which was prevented by pretreatment with 1 mg (100 g body weight)(-1) propranolol or 6 mg (100 g body weight)(-1) iopanoic acid (5.9- vs. 2.8-fold; P < 0.05), which blocks D2 activity . In the SKM-D2KO mice, acute treadmill exercise failed to induce PGC-1a fully in soleus muscle (1.9- vs. 2.8-fold; P < 0.05), and in primary SKM-D2KO myocytes there was only a limited PGC-1a response to 1 μm forskolin (2.2- vs. 1.3-fold; P < 0.05). Chronic exercise training (6 weeks) increased soleus muscle PGC-1a mRNA levels (∼25%) and the mitochondrial enzyme citrate synthase (∼20%). In contrast, PGC-1a expression did not change and citrate synthase decreased by ∼30% in SKM-D2KO mice. The soleus muscle PGC-1a response to chronic exercise was also blunted in MYF5-D2KO mice. In conclusion, acute treadmill exercise increases SKM D2 expression through a β-adrenergic receptor-dependent mechanism. The accelerated conversion of T4 to T3 within myocytes mediates part of the PGC-1a induction by treadmill exercise and its downstream effects on mitochondrial function.
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Affiliation(s)
- Barbara M L C Bocco
- Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA
- Department of Translational Medicine, Federal University of São Paulo, Brazil
| | - Ruy A N Louzada
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Brazil
| | - Diego H S Silvestre
- Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Brazil
| | - Maria C S Santos
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Brazil
| | - Elena Anne-Palmer
- Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA
| | - Igor F Rangel
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Brazil
| | - Sherine Abdalla
- Division of Endocrinology, Diabetes and Metabolism, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Andrea C Ferreira
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Brazil
| | - Miriam O Ribeiro
- Developmental Disorders Program, Center for Biological and Health Sciences, Mackenzie Presbyterian University, Sao Paulo, Brazil
| | - Balázs Gereben
- Department of Endocrine Neurobiology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
| | - Denise P Carvalho
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Brazil
| | - Antonio C Bianco
- Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA
| | - João P Werneck-de-Castro
- Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA.
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Brazil.
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de Castro TP, Waissmann W, Simões TC, de Mello RCR, Carvalho DP. Predictors for papillary thyroid cancer persistence and recurrence: a retrospective analysis with a 10-year follow-up cohort study. Clin Endocrinol (Oxf) 2016; 85:466-74. [PMID: 26834009 DOI: 10.1111/cen.13032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 01/25/2016] [Accepted: 01/26/2016] [Indexed: 12/26/2022]
Abstract
OBJECTIVE We aimed to determine outcome predictors of papillary thyroid cancer (PTC) persistence and recurrence, separately. CONTEXT The factors contributing to either persistence or recurrence of PTC are poorly defined, as both outcomes are usually evaluated together. DESIGN AND PATIENTS In this 10-year follow-up cohort study, 190 PTC patients were evaluated (18-85 years old; registered from 1 January 1990 to31 December 1999 at a Brazilian Cancer Care referral Hospital). After initial surgery, we examined persistence (disease detected up to 1 year), recurrence (disease detected after 1 year) and PTC-free status (disease absence during follow-up). MEASUREMENTS Outcome predictors were modelled using multinomial logit regression analysis. RESULTS The univariate analysis showed that persistence and recurrence were significantly associated with lymph node metastasis (OR = 12·33; OR = 2·84, respectively), local aggressiveness (OR = 5·22; OR = 3·35) and extrathyroidal extension (OR = 5·07; OR = 7·11). Persistence was associated with male sex (OR = 3·49), age above 45 years old at diagnosis (OR = 1·03), macroscopic lymph node metastasis (OR = 5·85), local aggressiveness (OR = 5·22), each 1-cm tumour size increase (OR = 1·34), a cancer care referral hospital as the place of initial surgery (OR = 2·3), thyroidectomy or near total thyroidectomy(OR = 3·03) and neck dissection (OR = 3·19). Recurrence was associated with the time of radioactive iodine ((131) I) therapy (OR = 3·71). After data modelling, persistence was associated with macroscopic lymph node metastasis (OR = 6·17), 1-cm increases in tumour size (OR = 1·30) and thyroidectomy or near total thyroidectomy (OR = 3·82), while recurrence was associated with surgery at referral hospital (OR = 3·79). CONCLUSIONS The best predictors of persistence were tumour size and macroscopic lymph node metastasis; when the initial surgery is of quality, the recurrence depends more on tumour's biology aspects.
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Affiliation(s)
- Taciana Padilha de Castro
- Department of Endocrinology, Medical School, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
- Research Center for Health Work and Human Ecology - CESTEH-ENSP/FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - William Waissmann
- Research Center for Health Work and Human Ecology - CESTEH-ENSP/FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Taynãna César Simões
- Department of Epidemiology and Quantitative Methods in Health - DEMQS-ENSP/FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Rossana Corbo R de Mello
- Department of Endocrinology, Medical School, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
- Cancer Hospital 1, National Institute of Cancer INCA, Rio de Janeiro, RJ, Brazil
| | - Denise P Carvalho
- Department of Endocrinology, Medical School, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
- Carlos Chagas Filho Institute of Biophysics - IBCCF/UFRJ, Rio de Janeiro, RJ, Brazil
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Cazarin JM, Coelho RG, Hecht F, Andrade BM, Carvalho DP. 5'-AMP-Activated Protein Kinase Regulates Papillary (TPC-1 and BCPAP) Thyroid Cancer Cell Survival, Migration, Invasion, and Epithelial-to-Mesenchymal Transition. Thyroid 2016; 26:933-42. [PMID: 27121619 DOI: 10.1089/thy.2015.0440] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Differentiated thyroid carcinomas (DTC) are associated with a good prognosis and a high survival rate. However, tumor recurrence occurs in approximately 20-30% of DTC patients, reinforcing the importance of identifying new molecular targets for cancer management. It has been shown that the 5'-AMP-activated protein kinase (AMPK) is over-activated in papillary thyroid cancer (PTC). This study aimed to investigate the effects of 5-aminoimidazole-4-carboxamide-ribonucleoside (AICAR), an AMPK activator, on various aspects of thyroid cancer cell behavior, including cell survival, apoptosis, migration, invasion, and epithelial-to-mesenchymal transition (EMT), in the human thyroid cancer cell lines BCPAP and TPC-1. METHODS BCPAP and TPC-1 cells were cultivated in Dulbecco's modified Eagle's medium, and the non-tumor-derived cell line Nthy-ORI was grown in RPMI. Cells were treated or not with AICAR for different periods of time. The cell growth rate, cell cycle phase, apoptosis, cell migration, and invasion were analyzed using transwell inserts, and EMT was quantified by the expression of mesenchymal and epithelial markers. RESULTS AMPK is activated in thyroid cancer cell lines, and AICAR treatment further increased AMPK phosphorylation. After 48 hours of AICAR treatment, the percentage of cells in the G2/M phase decreased, and a G0/G1-phase arrest was induced in both cell lines. AMPK activation effectively induced apoptosis in the BCPAP and TPC-1 cancer cell lines, while no apoptosis induction was observed in Nthy-ORI cells. AICAR also reduced the migration of Nthy-ORI and BCPAP cells by 30% and approximately 60% in TPC-1 cells. AICAR had no effect on cell invasion in Nthy-ORI and TPC-1 cells, but a significant reduction of cell invasion was observed in BCPAP cells. AICAR induced a significant reduction of N-cadherin and no changes in the expression of vimentin or TCF/Zeb1 protein in BCPAP cells. No differences in the expression of EMT markers were found in the AICAR-treated Nthy-ORI cells. A remarkable reduction of vimentin, TCF/Zeb1, and N-cadherin protein expression was detected in the TPC-1 cells. CONCLUSIONS Increased activation of AMPK in PTC cell lines leads to a strong antitumor response, as measured by the inhibition of cell proliferation, cell migration, and induction of cell death. AMPK activation also reverses EMT in TPC-1 cells.
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Affiliation(s)
- Juliana M Cazarin
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Raquel G Coelho
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Fabio Hecht
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Bruno M Andrade
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro , Rio de Janeiro, Brazil
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Abstract
Thyroid cancer incidence is increasing all over the world - mostly due to an increase in the detection of small tumors that were previously undetected. A small percentage of these tumors lose the ability to uptake and/or to respond to radioiodine (RAI) therapy, especially in metastatic patients. There are several new therapeutic options that have emerged in the last 5 years to treat RAI refractory thyroid cancer patients, however, it is very important to properly identify RAI refractory patients and to clarify those appropriate for these treatments. In this review, we discuss the RAI refractory definitions and the criteria that have been suggested based on RAI uptake in the post therapy scan, as well as the response after RAI therapy and the possible molecular mechanisms involved in this process. We offer a review of the therapeutic options available at the moment and the therapeutic considerations based on a patient's individualized personal characteristics, primary tumor histology, tumor burden and location and velocity of lesion growth.
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Affiliation(s)
- Fernanda Vaisman
- Endocrinology ServiceNational Cancer Institute, Brazil Praça da Cruz Vermelha, 23, 8° Floor, Centro, Rio de Janeiro, Rio de Janeiro, 20230-130, BrazilLaboratório de Fosiologia Endócrina Doris RosentalInstituto de Biofísica, Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, BrazilEndocrinology ServiceFaculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, HUCFF, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Denise P Carvalho
- Endocrinology ServiceNational Cancer Institute, Brazil Praça da Cruz Vermelha, 23, 8° Floor, Centro, Rio de Janeiro, Rio de Janeiro, 20230-130, BrazilLaboratório de Fosiologia Endócrina Doris RosentalInstituto de Biofísica, Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, BrazilEndocrinology ServiceFaculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, HUCFF, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Mario Vaisman
- Endocrinology ServiceNational Cancer Institute, Brazil Praça da Cruz Vermelha, 23, 8° Floor, Centro, Rio de Janeiro, Rio de Janeiro, 20230-130, BrazilLaboratório de Fosiologia Endócrina Doris RosentalInstituto de Biofísica, Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, BrazilEndocrinology ServiceFaculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil Rua Prof. Rodolpho Paulo Rocco, 255, 9° Floor, HUCFF, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
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de Souza ECL, Dias GRM, Cardoso RC, Lima LP, Fortunato RS, Visser TJ, Vaisman M, Ferreira ACF, Carvalho DP. MCT8 is Downregulated by Short Time Iodine Overload in the Thyroid Gland of Rats. Horm Metab Res 2015; 47:910-5. [PMID: 26021458 DOI: 10.1055/s-0035-1550008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Wolff-Chaikoff effect is characterized by the blockade of thyroid hormone synthesis and secretion due to iodine overload. However, the regulation of monocarboxylate transporter 8 during Wolff-Chaikoff effect and its possible role in the rapid reduction of T4 secretion by the thyroid gland remains unclear. Patients with monocarboxylate transporter 8 gene loss-of-function mutations and monocarboxylate transporter 8 knockout mice were shown to have decreased serum T4 levels, indicating that monocarboxylate transporter 8 could be involved in the secretion of thyroid hormones from the thyroid gland. Herein, we aimed to evaluate the regulation of monocarboxylate transporter 8 during the Wolff-Chaikoff effect and the escape from iodine overload, besides the importance of iodine organification for this regulation. Monocarboxylate transporter 8 mRNA and protein levels significantly decreased after 1 day of NaI administration to rats, together with decreased serum T4; while no alteration was observed in LAT2 expression. Moreover, both monocarboxylate transporter 8 expression and serum T4 was restored after 6 days of NaI. The inhibition of thyroperoxidase activity by methimazole prevented the inhibitory effect of NaI on thyroid monocarboxylate transporter 8 expression, suggesting that an active thyroperoxidase is necessary for MCT8 downregulation by iodine overload, similarly to other thyroid markers, such as sodium iodide symporter. Therefore, we conclude that thyroid monocarboxylate transporter 8 expression is downregulated during iodine overload and that the normalization of its expression parallels the escape phenomenon. These data suggest a possible role for monocarboxylate transporter 8 in the changes of thyroid hormones secretion during the Wolff-Chaikoff effect and escape.
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Affiliation(s)
- E C L de Souza
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - G R M Dias
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - R C Cardoso
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - L P Lima
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - R S Fortunato
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - T J Visser
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M Vaisman
- Universitary Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - A C F Ferreira
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - D P Carvalho
- Laboratory of Endocrine Physiology Doris Rosenthal, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Ignacio DL, da S. Silvestre DH, Cavalcanti-de-Albuquerque JPA, Louzada RA, Carvalho DP, Werneck-de-Castro JP. Thyroid hormone and estrogen regulate exercise-induced growth hormone release. PLoS One 2015; 10:e0122556. [PMID: 25874614 PMCID: PMC4395113 DOI: 10.1371/journal.pone.0122556] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 02/02/2015] [Indexed: 11/25/2022] Open
Abstract
Growth hormone (GH) regulates whole body metabolism, and physical exercise is the most potent stimulus to induce its secretion in humans. The mechanisms underlying GH secretion after exercise remain to be defined. The aim of this study was to elucidate the role of estrogen and pituitary type 1 deiodinase (D1) activation on exercise-induced GH secretion. Ten days after bilateral ovariectomy, animals were submitted to 20 min of treadmill exercise at 75% of maximum aerobic capacity and tissues were harvested immediately or 30 min after exercise. Non-exercised animals were used as controls. A significant increase in D1 activity occurred immediately after exercise (~60%) in sham-operated animals and GH was higher (~6-fold) 30 min after exercise. Estrogen deficient rats exhibited basal levels of GH and D1 activity comparable to those found in control rats. However, after exercise both D1 activity and serum GH levels were blunted compared to sedentary rats. To understand the potential cause-effect of D1 activation in exercise-induced GH release, we pharmacologically blocked D1 activity by propylthiouracil (PTU) injection into intact rats and submitted them to the acute exercise session. D1 inhibition blocked exercise-induced GH secretion, although basal levels were unaltered. In conclusion, estrogen deficiency impairs the induction of thyroid hormone activating enzyme D1 in the pituitary, and GH release by acute exercise. Also, acute D1 activation is essential for exercise-induced GH response.
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Affiliation(s)
- Daniele Leão Ignacio
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diego H. da S. Silvestre
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Ruy Andrade Louzada
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P. Carvalho
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Pedro Werneck-de-Castro
- Institute of Biophysics Carlos Chagas Filho and School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Endocrinology and Metabolism, Rush University Medical Center, Chicago, Illinois, United States of America
- * E-mail:
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Leal ALRC, Albuquerque JPC, Matos MS, Fortunato RS, Carvalho DP, Rosenthal D, da Costa VMC. Thyroid hormones regulate skeletal muscle regeneration after acute injury. Endocrine 2015; 48:233-40. [PMID: 24798447 DOI: 10.1007/s12020-014-0271-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 04/08/2014] [Indexed: 01/21/2023]
Abstract
We evaluated the effects of hypo- and hyperthyroid statuses during the initial phase of skeletal muscle regeneration in rats. To induce hypo- or hyperthyroidism, adult male Wistar rats were treated with methimazole (0.03%) or T4 (10 μg/100 g), respectively, for 10 days. Three days before sacrifice, a crush injury was produced in the solear muscles of one half of the animals, while the other half remained intact. T3, T4, TSH, and leptin serum levels were not affected by the injury. Serum T3 and T4 levels were significantly increased in hyperthyroid and hyper-injury animals. Hypothyroidism was confirmed by the significant increase in serum TSH levels in hypothyroid and hypo-injury animals. Injury increased cell infiltration and macrophage accumulation especially in hyperthyroid animals. Both type 2 and type 3 deiodinases were induced by lesion, and the opposite occurred with the type 1 isoform, at least in the control and hyperthyroid groups. Injury increased both MyoD and myogenin expression in all the studied groups, but only MyoD expression was increased by thyroidal status only at the protein level. We conclude that thyroid hormones modulate skeletal muscle regeneration possibly by regulating the inflammatory process, as well as MyoD and myogenin expression in the injured tissue.
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Affiliation(s)
- Anna Lúcia R C Leal
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, bloco G, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, 21949-900, Brazil
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Louzada RA, Santos MCS, Cavalcanti-de-Albuquerque JPA, Rangel IF, Ferreira ACF, Galina A, Werneck-de-Castro JPS, Carvalho DP. Type 2 iodothyronine deiodinase is upregulated in rat slow- and fast-twitch skeletal muscle during cold exposure. Am J Physiol Endocrinol Metab 2014; 307:E1020-9. [PMID: 25294216 DOI: 10.1152/ajpendo.00637.2013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
During cold acclimation, shivering is progressively replaced by nonshivering thermogenesis. Brown adipose tissue (BAT) and skeletal muscle are relevant for nonshivering thermogenesis, which depends largely on thyroid hormone. Since the skeletal muscle fibers progressively adapt to cold exposure through poorly defined mechanisms, our intent was to determine whether skeletal muscle type 2 deiodinase (D2) induction could be implicated in the long-term skeletal muscle cold acclimation. We demonstrate that in the red oxidative soleus muscle, D2 activity increased 2.3-fold after 3 days at 4°C together with the brown adipose tissue D2 activity, which increased 10-fold. Soleus muscle and BAT D2 activities returned to the control levels after 10 days of cold exposure, when an increase of 2.8-fold in D2 activity was detected in white glycolytic gastrocnemius but not in red oxidative gastrocnemius fibers. Propranolol did not prevent muscle D2 induction, but it impaired the decrease of D2 in BAT and soleus after 10 days at 4°C. Cold exposure is accompanied by increased oxygen consumption, UCP3, and PGC-1α genes expression in skeletal muscles, which were partialy prevented by propranolol in soleus and gastrocnemius. Serum total and free T3 is increased during cold exposure in rats, even after 10 days, when BAT D2 is already normalized, suggesting that skeletal muscle D2 activity contributes significantly to circulating T3 under this adaptive condition. In conclusion, cold exposure is accompanied by concerted changes in the metabolism of BAT and oxidative and glycolytic skeletal muscles that are paralleled by type 2 deiodinase activation.
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Affiliation(s)
- Ruy A Louzada
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Departamento de Biociências e Atividade Física - Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; and
| | - Maria C S Santos
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Paulo A Cavalcanti-de-Albuquerque
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Departamento de Biociências e Atividade Física - Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; and Laboratório de Fisiologia Mitocondrial e Bioenergética, Instituto de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Igor F Rangel
- Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Departamento de Biociências e Atividade Física - Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; and
| | - Andrea C F Ferreira
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Antonio Galina
- Laboratório de Fisiologia Mitocondrial e Bioenergética, Instituto de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Joao Pedro S Werneck-de-Castro
- Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Departamento de Biociências e Atividade Física - Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; and
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil;
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Frankenfeld SP, Oliveira LP, Ortenzi VH, Rego-Monteiro ICC, Chaves EA, Ferreira AC, Leitão AC, Carvalho DP, Fortunato RS. The anabolic androgenic steroid nandrolone decanoate disrupts redox homeostasis in liver, heart and kidney of male Wistar rats. PLoS One 2014; 9:e102699. [PMID: 25225984 PMCID: PMC4165578 DOI: 10.1371/journal.pone.0102699] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 06/23/2014] [Indexed: 01/24/2023] Open
Abstract
The abuse of anabolic androgenic steroids (AAS) may cause side effects in several tissues. Oxidative stress is linked to the pathophysiology of most of these alterations, being involved in fibrosis, cellular proliferation, tumorigenesis, amongst others. Thus, the aim of this study was to determine the impact of supraphysiological doses of nandrolone decanoate (DECA) on the redox balance of liver, heart and kidney. Wistar male rats were treated with intramuscular injections of vehicle or DECA (1 mg.100 g−1 body weight) once a week for 8 weeks. The activity and mRNA levels of NADPH Oxidase (NOX), and the activity of catalase, glutathione peroxidase (GPx) and total superoxide dismutase (SOD), as well as the reduced thiol and carbonyl residue proteins, were measured in liver, heart and kidney. DECA treatment increased NOX activity in heart and liver, but NOX2 mRNA levels were only increased in heart. Liver catalase and SOD activities were decreased in the DECA-treated group, but only catalase activity was decreased in the kidney. No differences were detected in GPx activity. Thiol residues were decreased in the liver and kidney of treated animals in comparison to the control group, while carbonyl residues were increased in the kidney after the treatment. Taken together, our results show that chronically administered DECA is able to disrupt the cellular redox balance, leading to an oxidative stress state.
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Affiliation(s)
- Stephan P Frankenfeld
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonardo P Oliveira
- Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Victor H Ortenzi
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Igor C C Rego-Monteiro
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Elen A Chaves
- Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea C Ferreira
- Polo de Xerém/Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alvaro C Leitão
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denise P Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo S Fortunato
- Laboratório de Radiobiologia Molecular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Nigro M, Santos AT, Barthem CS, Louzada RAN, Fortunato RS, Ketzer LA, Carvalho DP, de Meis L. A change in liver metabolism but not in brown adipose tissue thermogenesis is an early event in ovariectomy-induced obesity in rats. Endocrinology 2014; 155:2881-91. [PMID: 24914935 DOI: 10.1210/en.2013-1385] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Menopause is associated with increased visceral adiposity and disrupted glucose homeostasis, but the underlying molecular mechanisms related to these metabolic changes are still elusive. Brown adipose tissue (BAT) plays a key role in energy expenditure that may be regulated by sexual steroids, and alterations in glucose homeostasis could precede increased weight gain after ovariectomy. Thus, the aim of this work was to evaluate the metabolic pathways in both the BAT and the liver that may be disrupted early after ovariectomy. Ovariectomized (OVX) rats had increased food efficiency as early as 12 days after ovariectomy, which could not be explained by differences in feces content. Analysis of isolated BAT mitochondria function revealed no differences in citrate synthase activity, uncoupling protein 1 expression, oxygen consumption, ATP synthesis, or heat production in OVX rats. The addition of GDP and BSA to inhibit uncoupling protein 1 decreased oxygen consumption in BAT mitochondria equally in both groups. Liver analysis revealed increased triglyceride content accompanied by decreased levels of phosphorylated AMP-activated protein kinase and phosphorylated acetyl-CoA carboxylase in OVX animals. The elevated expression of gluconeogenic enzymes in OVX and OVX + estradiol rats was not associated with alterations in glucose tolerance test or in serum insulin but was coincident with higher glucose disposal during the pyruvate tolerance test. Although estradiol treatment prevented the ovariectomy-induced increase in body weight and hepatic triglyceride and cholesterol accumulation, it was not able to prevent increased gluconeogenesis. In conclusion, the disrupted liver glucose homeostasis after ovariectomy is neither caused by estradiol deficiency nor is related to increased body mass.
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Affiliation(s)
- Mariana Nigro
- Laboratório de Bioenergética (M.N., A.T.S., C.S.B., L.A.K., L.d.M.), Instituto de Bioquímica Médica, Laboratório de Radiobiologia Molecular (R.S.F.) and Laboratório de Fisiologia Endócrina Doris Rosenthal (R.A.N.L., D.P.C.), Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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40
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Abstract
Thyroid diseases, such as autoimmune disease and benign and malignant nodules, are more prevalent in women than in men, but the mechanisms involved in this sex difference is still poorly defined. H₂O₂ is produced at high levels in the thyroid gland and regulates parameters such as cell proliferation, migration, survival, and death; an imbalance in the cellular oxidant-antioxidant system in the thyroid may contribute to the greater incidence of thyroid disease among women. Recently, we demonstrated the existence of a sexual dimorphism in the thyrocyte redox balance, characterized by higher H₂O₂ production, due to higher NOX4 and Poldip2 expression, and weakened enzymatic antioxidant defense in the thyroid of adult female rats compared with male rats. In addition, 17β-estradiol administration increased NOX4 mRNA expression and H₂O₂ production in thyroid PCCL3 cells. In this review, we discuss the possible involvement of oxidative stress in estrogen-related thyroid pathophysiology. Our current hypothesis suggests that a redox imbalance elicited by estrogen could be involved in the sex differences found in the prevalence of thyroid dysfunctions.
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Affiliation(s)
- Rodrigo S Fortunato
- Laboratory of Molecular Radiobiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Avenida Carlos Chagas Filho, 373, CCS - Bloco G - Subsolo - Sala G0-031, Cidade Universitária - Ilha do Fundão, 21941-902 Rio de Janeiro, RJ, Brazil Laboratory of Endocrine Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil Mixed Unity of Research (UMR) 8200 - Genomes and Cancer, The Gustave Roussy Institute of Integrated Cancer Research, Villejuif F-94805, France
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41
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Asensi KD, Fortunato RS, dos Santos DS, Pacheco TS, de Rezende DF, Rodrigues DC, Mesquita FCP, Kasai-Brunswick TH, de Carvalho ACC, Carvalho DP, Carvalho AB, Goldenberg RCDS. Reprogramming to a pluripotent state modifies mesenchymal stem cell resistance to oxidative stress. J Cell Mol Med 2014; 18:824-31. [PMID: 24528612 PMCID: PMC4119388 DOI: 10.1111/jcmm.12226] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 12/06/2013] [Indexed: 02/05/2023] Open
Abstract
Properties of induced pluripotent stem cells (iPSC) have been extensively studied since their first derivation in 2006. However, the modification in reactive oxygen species (ROS) production and detoxification caused by reprogramming still needs to be further elucidated. The objective of this study was to compare the response of iPSC generated from menstrual blood-derived mesenchymal stem cells (mb-iPSC), embryonic stem cells (H9) and adult menstrual blood-derived mesenchymal stem cells (mbMSC) to ROS exposure and investigate the effects of reprogramming on cellular oxidative stress (OS). mbMSC were extremely resistant to ROS exposure, however, mb-iPSC were 10-fold less resistant to H(2)O(2), which was very similar to embryonic stem cell sensitivity. Extracellular production of ROS was also similar in mb-iPSC and H9 and almost threefold lower than in mbMSC. Furthermore, intracellular amounts of ROS were higher in mb-iPSC and H9 when compared with mbMSC. As the ability to metabolize ROS is related to antioxidant enzymes, we analysed enzyme activities in these cell types. Catalase and superoxide dismutase activities were reduced in mb-iPSC and H9 when compared with mbMSC. Finally, cell adhesion under OS conditions was impaired in mb-iPSC when compared with mbMSC, albeit similar to H9. Thus, reprogramming leads to profound modifications in extracellular ROS production accompanied by loss of the ability to handle OS.
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Affiliation(s)
- Karina D Asensi
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Rodrigo S Fortunato
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Danúbia S dos Santos
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Thaísa S Pacheco
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Danielle F de Rezende
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Deivid C Rodrigues
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Fernanda C P Mesquita
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Tais H Kasai-Brunswick
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Antonio C Campos de Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
- Instituto Nacional de CardiologiaRio de Janeiro, Brazil
| | - Denise P Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Adriana B Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Regina C dos S Goldenberg
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
- *Correspondence to: Regina C. dos S. GOLDENBERG, Av Carlos Chagas Filho 373, Sala G2-053, Rio de Janeiro 21941-902, Brazil. Tel.: +55 21 2562-6559 Fax: +55 21 2280-8193 E-mail:
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Cazarin JM, Andrade BM, Carvalho DP. AMP-activated protein kinase activation leads to lysome-mediated NA(+)/I(-)-symporter protein degradation in rat thyroid cells. Horm Metab Res 2014; 46:313-7. [PMID: 24691731 DOI: 10.1055/s-0034-1371803] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Iodide uptake by thyroid cells is mediated by a transmembrane glycoprotein known as the Na+/I--symporter (NIS). NIS-mediated iodide uptake plays important physiological role in thyroid gland function, as well as in diagnostic and treatment of Graves' disease and thyroid cancer. Although different studies investigated the transcriptional mechanisms of NIS expression, there is no report on the NIS post-translational regulation related to NIS protein degradation in thyroid cells. Recently, our group showed that AMP-activated protein kinase (AMPK) plays a pivotal role in the rat thyroid gland, downregulating iodide uptake, NIS protein, and mRNA content. Since several studies demonstrated that AMPK regulates post-transcriptional mechanisms, such as autophagy-mediated processes in different tissues, we hypothesized that AMPK activation could also regulate NIS protein degradation through the lysosome pathway in thyroid cells. Rat follicular thyroid PCCL3 cells cultivated in Ham's F12 supplemented with 5% calf serum and hormones were exposed to the AMPK pharmacological activator 5-aminoimidazole-4 carboxamide ribonucleoside (AICAR), in the presence or absence of Bafilomycin A1 or MG132 for 24 h. Treatment of PCCL3 cells with Bafilomycin A1 fully prevented the decrease of iodide uptake and NIS protein content mediated by AMPK activation. In contrast, the treatment with MG132 was unable to prevent the effects of AMPK activation on NIS. Our results show that AMPK activation significantly induces NIS protein degradation through a lysosome-mediated mechanism.
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Affiliation(s)
- J M Cazarin
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - B M Andrade
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - D P Carvalho
- Laboratório de Fisiologia Endócrina, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Cavalcanti-de-Albuquerque JPA, Salvador IC, Martins EL, Jardim-Messeder D, Werneck-de-Castro JPS, Galina A, Carvalho DP. Role of estrogen on skeletal muscle mitochondrial function in ovariectomized rats: a time course study in different fiber types. J Appl Physiol (1985) 2014; 116:779-89. [PMID: 24458744 DOI: 10.1152/japplphysiol.00121.2013] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Postmenopausal women are prone to develop obesity and insulin resistance, which might be related to skeletal muscle mitochondrial dysfunction. In a rat model of ovariectomy (OVX), skeletal muscle mitochondrial function was examined at short- and long-term periods after castration. Mitochondrial parameters in the soleus and white gastrocnemius muscle fibers were analyzed. Three weeks after surgery, there were no differences in coupled mitochondrial respiration (ATP synthesis) with pyruvate, malate, and succinate; proton leak respiration; or mitochondrial reactive oxygen species production. However, after 3 wk of OVX, the soleus and white gastrocnemius muscles of the OVX animals showed a lower use of palmitoyl-carnitine and glycerol-phosphate substrates, respectively, and decreased peroxisome proliferator-activated receptor-γ coactivator-1α expression. Estrogen replacement reverted all of these phenotypes. Eight weeks after OVX, ATP synthesis was lower in the soleus and white gastrocnemius muscles of the OVX animals than in the sham-operated and estrogen-treated animals; however, when normalized by citrate synthase activity, these differences disappeared, indicating a lower muscle mitochondria content. No differences were observed in the proton leak parameter. Mitochondrial alterations did not impair the treadmill exercise capacity of the OVX animals. However, blood lactate levels in the OVX animals were higher after the physical test, indicating a compensatory extramitochondrial ATP synthesis system, but this phenotype was reverted by estrogen replacement. These results suggest early mitochondrial dysfunction related to lipid substrate use, which could be associated with the development of the overweight phenotype of ovariectomized animals.
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Affiliation(s)
- J P A Cavalcanti-de-Albuquerque
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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44
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Neto RAL, de Souza Dos Santos MC, Rangel IF, Ribeiro MB, Cavalcanti-de-Albuquerque JPA, Ferreira ACF, Cameron LC, Carvalho DP, Werneck de Castro JPS. Decreased serum T3 after an exercise session is independent of glucocorticoid peak. Horm Metab Res 2013; 45:893-9. [PMID: 23918684 DOI: 10.1055/s-0033-1351279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Physical exercise increases serum glucocorticoids, which is believed to be involved in the fall of T3 after high intensity exercise. The objective was to evaluate whether a physical exercise session alters the thyroid economy and adrenal axis in humans, and the possible role of corticosteroids in thyroid function disturbance. Active but not athlete subjects were enrolled in an open field competition and cortisol, TSH, T3, and T4 were measured before and after the race. To give new insights into the mechanisms underlying the changes in thyroid economy after exercise, we used a rat model to evaluate the impact of blocking corticosterone synthesis during treadmill exercise by metyrapone administration. Cortisol levels increased 1.5-fold (from 28.2±3.8 to 42.2±2.2 μg/dl; p<0.05), while serum T3 decreased by 13% (from 115±5 to 99±5 μg/dl; p<0.05) 6 h after the race in humans. Also, in rats, glucocorticoid increased by 2-fold while T3 decreased 15% after exercise session (p<0.05). However, the complete blockage of corticosterone peak did not impair serum T3 decrease observed in rats submitted to exercise. Interestingly, the lack of corticosterone peak led not only to lower serum T3, but also to decreased serum T4, indicating that corticosterone might be fundamental for the maintenance of serum thyroid hormone levels after high intensity exercise. Although cortisol increases and T3 decreases after high intensity exercise in both humans and rats, it does not seem to be a cause-effect response since pharmacological blockage of corticosterone peak does not modulate T3 response.
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Affiliation(s)
- R A L Neto
- Laboratório de Biologia do Exercício, Escola de Educação Física e Desportos, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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45
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Chaves EA, Fortunato RS, Carvalho DP, Nascimento JHM, Oliveira MF. Exercise-induced cardioprotection is impaired by anabolic steroid treatment through a redox-dependent mechanism. J Steroid Biochem Mol Biol 2013; 138:267-72. [PMID: 23831356 DOI: 10.1016/j.jsbmb.2013.06.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 06/13/2013] [Accepted: 06/15/2013] [Indexed: 10/26/2022]
Abstract
High doses of anabolic androgenic steroids (AAS) impair the cardioprotective effects of exercise against ischemia/reperfusion (I/R) insult, possibly through cellular redox imbalance. Here, the effect of nandrolone decanoate (DECA) treatment on heart redox metabolism was investigated during I/R in sedentary and exercised rats. DECA treatment significantly reduced superoxide dismutase and glutathione reductase activities in exercised rats after heart reperfusion. Catalase and glutathione peroxidase activities were not affected by DECA in both sedentary and trained rats, regardless the I/R period. DECA also induced myocardial oxidative stress, as evidenced by the reduced levels of total reduced thiols after heart reperfusion in exercised rats treated with the anabolic steroid. These results indicate that cardiotoxic effects of supraphysiological doses of AAS involve reduced heart antioxidant capacity.
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Affiliation(s)
- Elen A Chaves
- Laboratório de Eletrofisiologia Cardíaca Antonio Paes de Carvalho, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil; Laboratório de Bioquímica de Resposta ao Estresse, Instituto de Bioquímica Médica, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil; Laboratório de Inflamação e Metabolismo, Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem (INBEB), Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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46
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Vidal AP, Andrade BM, Vaisman F, Cazarin J, Pinto LFR, Breitenbach MMD, Corbo R, Caroli-Bottino A, Soares F, Vaisman M, Carvalho DP. AMP-activated protein kinase signaling is upregulated in papillary thyroid cancer. Eur J Endocrinol 2013; 169:521-8. [PMID: 23904275 DOI: 10.1530/eje-13-0284] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
UNLABELLED AMP-activated protein kinase (AMPK) is activated by the depletion in cellular energy levels and allows adaptive changes in cell metabolism and cell survival. Recently, our group described that AMPK plays an important role in the regulation of iodide and glucose uptake in thyroid cells. However, AMPK signaling pathway in human thyroid carcinomas has not been investigated so far. OBJECTIVE To evaluate the expression and activity of AMPK in papillary thyroid carcinomas. METHODS We examined total and phosphorylated AMPK (tAMPK and pAMPK) and phosphorylated acetyl-CoA-carboxylase (pACC) expressions through imunohistochemistry, using a tissue microarray block composed of 73 papillary thyroid carcinomas (PAP CA) or microcarcinomas (PAP MCA) and six adenoma (AD) samples from patients followed at the Federal University Hospital. The expression levels were compared with the non-neoplastic tissues from the same patient. Two different pathologists analyzed the samples and attributed scores of staining intensity and the proportion of stained cells. A total index was obtained by multiplying the values of intensity and the proportion of stained cells (INTxPROP). RESULTS tAMPK, pAMPK, and pACC showed a predominant cytoplasmic staining in papillary carcinomas, adenomas, and non-neoplastic thyroid tissues. However, the intensity and the proportion of stained cells were higher in carcinomas, so that a significant increase was found in the INTxPROP score both in PAP CA and PAP MCA, when compared with their respective controls. CONCLUSION Our results show unequivocally that AMPK pathway is highly activated in papillary thyroid carcinomas; however, more studies are necessary to understand the pathophysiological significance of AMPK activation in thyroid carcinogenesis.
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Affiliation(s)
- Ana Paula Vidal
- Serviço de Anatomia Patológica do Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Avenida Rodolpho Paulo Rocco 255, Ilha do Fundão, Rio de Janeiro, Brazil
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Abstract
Somatic mutations are present at high levels in the rat thyroid gland, indicating that the thyrocyte is under oxidative stress, a state in which cellular oxidant levels are high. The most important class of free radicals, or reactive metabolites, is reactive oxygen species (ROS), such as superoxide anion (O2 (-)), hydroxyl radical (OH) and hydrogen peroxide (H2O2). The main source of ROS in every cell type seems to be mitochondrial respiration; however, recent data support the idea that NADPH:O(2) oxidoreductase flavoproteins or simply NADPH oxidases (NOX) are enzymes specialized in controlled ROS generation at the subcellular level. Several decades ago, high concentrations of H2O2 were detected at the apical surface of thyrocytes, where thyroid hormone biosynthesis takes place. Only in the last decade has the enzymatic source of H2O2 involved in thyroid hormone biosynthesis been well characterized. The cloning of two thyroid genes encoding NADPH oxidases dual oxidases 1 and 2 (DUOX1 and DUOX2) revealed that DUOX2 mutations lead to hereditary hypothyroidism in humans. Recent reports have also described the presence of NOX4 in the thyroid gland and have suggested a pathophysiological role of this member of the NOX family. In the present review, we describe the participation of NADPH oxidases not only in thyroid physiology but also in gland pathophysiology, particularly the involvement of these enzymes in the regulation of thyroid oxidative stress.
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Affiliation(s)
- Denise P. Carvalho
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- *Denise P. Carvalho, Universidade Federal do Rio de Janeiro, Av Carlos Chagas Filho, 373, CCS, Bloco G, Cidade Universitária Rio de Janeiro, Rio de Janeiro, RJ 21941902 (Brazil), E-Mail
| | - Corinne Dupuy
- Université Paris-Sud, UMR 8200 CNRS, Institute Gustave Roussy, Villejuif, France
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Palmero CY, Miranda-Alves L, Sant'Ana Barroso MM, Souza ECL, Machado DE, Palumbo-Junior A, Santos CAN, Portilho DM, Mermelstein CS, Takiya CM, Carvalho DP, Hochman-Mendez C, Coelho-Sampaio T, Nasciutti LE. The follicular thyroid cell line PCCL3 responds differently to laminin and to polylaminin, a polymer of laminin assembled in acidic pH. Mol Cell Endocrinol 2013; 376:12-22. [PMID: 23747985 DOI: 10.1016/j.mce.2013.05.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Accepted: 05/23/2013] [Indexed: 01/11/2023]
Abstract
The extracellular-matrix protein laminin forms polymers both in vivo and in vitro. Acidification of pH leads to the formation of an artificial polymer with biomimetic properties, named polylaminin (polyLM). Follicle cells in the thyroid are in close contact with laminin, but their response to this important extracellular signal is still poorly understood. PCCL3 thyroid follicular cells cultured on glass, on regular laminin (LM) or on laminin previously polymerized in acidic pH (polyLM) showed different cell morphologies and propensities to proliferate, as well as differences in the organization of their actin cytoskeleton. On polyLM, cells displayed a typical epithelial morphology and radially organized actin fibers; whereas on LM, they spread irregularly on the substrate, lost cell contacts, and developed thick actin fibers extending through the entire cytoplasm. Iodide uptake decreased similarly in response to both laminin substrates, in comparison to glass. On both the LM and polyLM substrates, the expression of the sodium iodide symporter (NIS) decreased slightly but not significantly. NIS showed dotted immunostaining at the plasma membrane in the cells cultured on glass; on polyLM, NIS was observed mainly in the perinuclear region, and more diffusely throughout the cytoplasm on the LM substrate. Additionally, polyLM specifically favored the maintenance of cell polarity in culture. These findings indicate that PCCL3 cells can discriminate between LM and polyLM and that they respond to the latter by better preserving the phenotype observed in the thyroid tissue.
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Affiliation(s)
- C Y Palmero
- Laboratory of Cellular Interactions, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil
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Santos MCS, Louzada RAN, Souza ECL, Fortunato RS, Vasconcelos AL, Souza KLA, Castro JPSW, Carvalho DP, Ferreira ACF. Diabetes mellitus increases reactive oxygen species production in the thyroid of male rats. Endocrinology 2013; 154:1361-72. [PMID: 23407453 DOI: 10.1210/en.2012-1930] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Diabetes mellitus (DM) disrupts the pituitary-thyroid axis and leads to a higher prevalence of thyroid disease. However, the role of reactive oxygen species in DM thyroid disease pathogenesis is unknown. Dual oxidases (DUOX) is responsible for H(2)O(2) production, which is a cosubstrate for thyroperoxidase, but the accumulation of H(2)O(2) also causes cellular deleterious effects. Nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4) is another member of the nicotinamide adenine dinucleotide phosphate oxidase family expressed in the thyroid. Therefore, we aimed to evaluate the thyroid DUOX activity and expression in DM rats in addition to NOX4 expression. In the thyroids of the DM rats, we found increased H(2)O(2) generation due to higher DUOX protein content and DUOX1, DUOX2, and NOX4 mRNA expressions. In rat thyroid PCCL3 cells, both TSH and insulin decreased DUOX activity and DUOX1 mRNA levels, an effect partially reversed by protein kinase A inhibition. Most antioxidant enzymes remained unchanged or decreased in the thyroid of DM rats, whereas only glutathione peroxidase 3 was increased. DUOX1 and NOX4 expression and H(2)O(2) production were significantly higher in cells cultivated with high glucose, which was reversed by protein kinase C inhibition. We conclude that thyroid reactive oxygen species is elevated in experimental rat DM, which is a consequence of low-serum TSH and insulin but is also related to hyperglycemia per se.
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Affiliation(s)
- Maria C S Santos
- Instituto de Biofísica Carlos Chagas Filho, CCS-Bloco G-Cidade Universitária, Ilha do Fundão, Rio de Janeiro, 21949-900, Brazil
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50
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Fortunato RS, Braga WMO, Ortenzi VH, Rodrigues DC, Andrade BM, Miranda-Alves L, Rondinelli E, Dupuy C, Ferreira ACF, Carvalho DP. Sexual dimorphism of thyroid reactive oxygen species production due to higher NADPH oxidase 4 expression in female thyroid glands. Thyroid 2013; 23:111-9. [PMID: 23033809 DOI: 10.1089/thy.2012.0142] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Dual oxidases (DUOX1 and DUOX2) are NADPH oxidases (NOX) involved in hydrogen peroxide production necessary for thyroid hormonogenesis, but recently, the NOX4 has also been described in the thyroid gland. The prevalence of thyroid disease is higher in women, and the basis for this difference might involve a higher oxidative stress level in the female thyroid gland. Hence, we aimed at evaluating whether the function and the expression of enzymes involved in the thyroid redox balance differ between females and males. METHODS DUOX1, DUOX2, NOX4, glutathione peroxidase (GPx), and catalase activities and expression levels were evaluated in the thyroids of prepubertal and adult male and female rats. The mRNA levels of DUOXA1 and DUOXA2, the DUOX maturation factors, and of p22phox and Poldip2 (subunits of NOX4) were also determined. RESULTS A higher calcium-independent H(2)O(2) production was detected in the adult female rat thyroid, being higher in the estrous phase of the cycle. Moreover, the expression of NOX4 and Poldip2 mRNA was higher in the thyroids of adult female rats, as well as in PCCL3 cells treated with 17β-estradiol. The GPx1 mRNA expression was higher in adult female thyroids, while GPx2 and GPx3 mRNA and total GPx activity were not significantly different. Catalase mRNA expression and activity, together with thyroid thiol levels were significantly lower in the adult female rat thyroid. CONCLUSIONS Taken together, our results show that the thyroid gland of female rats is exposed to higher oxidative stress levels due both to increased reactive oxygen species (ROS) production through NOX4, and decreased ROS degradation.
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Affiliation(s)
- Rodrigo Soares Fortunato
- Laboratory of Molecular Radiobiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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