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Alves SS, de Oliveira JAC, Lazarini-Lopes W, Servilha-Menezes G, Grigório-de-Sant'Ana M, Del Vecchio F, Mazzei RF, Sousa Almeida S, da Silva Junior RMP, Garcia-Cairasco N. Audiogenic Seizures in the Streptozotocin-Induced Rat Alzheimer's Disease Model. J Alzheimers Dis 2023:JAD230153. [PMID: 37393501 DOI: 10.3233/jad-230153] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2023]
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurodegenerative and progressive disorder with no cure and constant failures in clinical trials. The main AD hallmarks are amyloid-β (Aβ) plaques, neurofibrillary tangles, and neurodegeneration. However, many other events have been implicated in AD pathogenesis. Epilepsy is a common comorbidity of AD and there is important evidence indicating a bidirectional link between these two disorders. Some studies suggest that disturbed insulin signaling might play an important role in this connection. OBJECTIVE To understand the effects of neuronal insulin resistance in the AD-epilepsy link. METHODS We submitted the streptozotocin (STZ) induced rat AD Model (icv-STZ AD) to an acute acoustic stimulus (AS), a known trigger of seizures. We also assessed animals' performance in the memory test, the Morris water maze and the neuronal activity (c-Fos protein) induced by a single audiogenic seizure in regions that express high levels of insulin receptors. RESULTS We identified significant memory impairment and seizures in 71.43% of all icv-STZ/AS rats, in contrast to 22.22% of the vehicle group. After seizures, icv-STZ/AS rats presented higher number of c-Fos immunopositive cells in hippocampal, cortical, and hypothalamic regions. CONCLUSION STZ may facilitate seizure generation and propagation by impairment of neuronal function, especially in regions that express high levels of insulin receptors. The data presented here indicate that the icv-STZ AD model might have implications not only for AD, but also for epilepsy. Finally, impaired insulin signaling might be one of the mechanisms by which AD presents a bidirectional connection to epilepsy.
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Affiliation(s)
- Suélen Santos Alves
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
| | | | - Willian Lazarini-Lopes
- Department of Pharmacology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
| | - Gabriel Servilha-Menezes
- Department of Physiology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
| | | | - Flavio Del Vecchio
- Department of Physiology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
| | - Rodrigo Focosi Mazzei
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto - University of São Paulo (FFCLRP-USP), São Paulo, Brazil
| | - Sebastião Sousa Almeida
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto - University of São Paulo (FFCLRP-USP), São Paulo, Brazil
| | | | - Norberto Garcia-Cairasco
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
- Department of Physiology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), São Paulo, Brazil
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Alves SS, da Silva Junior RMP, Delfino-Pereira P, Pereira MGAG, Vasconcelos I, Schwaemmle H, Mazzei RF, Carlos ML, Espreafico EM, Tedesco AC, Sebollela A, Almeida SS, de Oliveira JAC, Garcia-Cairasco N. A Genetic Model of Epilepsy with a Partial Alzheimer's Disease-Like Phenotype and Central Insulin Resistance. Mol Neurobiol 2022; 59:3721-3737. [PMID: 35378696 DOI: 10.1007/s12035-022-02810-w] [Citation(s) in RCA: 5] [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] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 03/22/2022] [Indexed: 12/20/2022]
Abstract
Studies have suggested an important connection between epilepsy and Alzheimer's disease (AD), mostly due to the high number of patients diagnosed with AD who develop epileptic seizures later on. However, this link is not well understood. Previous studies from our group have identified memory impairment and metabolic abnormalities in the Wistar audiogenic rat (WAR) strain, a genetic model of epilepsy. Our goal was to investigate AD behavioral and molecular alterations, including brain insulin resistance, in naïve (seizure-free) animals of the WAR strain. We used the Morris water maze (MWM) test to evaluate spatial learning and memory performance and hippocampal tissue to verify possible molecular and immunohistochemical alterations. WARs presented worse performance in the MWM test (p < 0.0001), higher levels of hyperphosphorylated tau (S396) (p < 0.0001) and phosphorylated glycogen synthase kinase 3 (S21/9) (p < 0.05), and lower insulin receptor levels (p < 0.05). Conversely, WARs and Wistar controls present progressive increase in amyloid fibrils (p < 0.0001) and low levels of soluble amyloid-β. Interestingly, the detected alterations were age-dependent, reaching larger differences in aged than in young adult animals. In summary, the present study provides evidence of a partial AD-like phenotype, including altered regulation of insulin signaling, in a genetic model of epilepsy. Together, these data contribute to the understanding of the connection between epilepsy and AD as comorbidities. Moreover, since both tau hyperphosphorylation and altered insulin signaling have already been reported in epilepsy and AD, these two events should be considered as important components in the interconnection between epilepsy and AD pathogenesis and, therefore, potential therapeutic targets in this field.
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Affiliation(s)
- Suélen Santos Alves
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | | | - Polianna Delfino-Pereira
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | | | - Israel Vasconcelos
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | - Hanna Schwaemmle
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | - Rodrigo Focosi Mazzei
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo (FFCLRP-USP), Ribeirao Preto, Brazil
| | - Maiko Luiz Carlos
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo (FFCLRP-USP), Ribeirao Preto, Brazil
| | - Enilza Maria Espreafico
- Department of Cell and Molecular Biology and Pathogenic Bioagents, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | - Antônio Claudio Tedesco
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo (FFCLRP-USP), Ribeirao Preto, Brazil
| | - Adriano Sebollela
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil
| | - Sebastião Sousa Almeida
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo (FFCLRP-USP), Ribeirao Preto, Brazil
| | - José Antônio Cortes de Oliveira
- Department of Physiology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Av. Dos Bandeirantes 3900, Ribeirao Preto, SP, 14049-900, Brazil
| | - Norberto Garcia-Cairasco
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Ribeirao Preto, Brazil.
- Department of Physiology, Ribeirão Preto Medical School - University of São Paulo (FMRP-USP), Av. Dos Bandeirantes 3900, Ribeirao Preto, SP, 14049-900, Brazil.
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de Carvalho PHB, Bagolin V, Junqueira ACP, Nagata JM, Cattle CJ, Murray SB, Compte EJ, Costa TMB, Almeida SS, Laus MF. Validation and measurement invariance of the muscularity-oriented eating test among Brazilian men and women. Int J Eat Disord 2022; 56:708-720. [PMID: 35277978 DOI: 10.1002/eat.23702] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/23/2022] [Accepted: 02/23/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The Muscularity-Oriented Eating Test (MOET) is a 15-item unidimensional scale, designed to assess eating practices that occur in the pursuit of a muscular body. The aim of the present study was to describe the translation and cultural adaptation of the MOET to Brazilian Portuguese, to explore its factor structure and measurement invariance, and to evaluate its internal consistency, three-week test-retest reliability, and convergent validity in a community sample of Brazilian men and women. METHOD After the back-translation procedure, the Brazilian MOET was administered online to a sample of 1246 adults (634 men and 612 women), along with measures of drive for muscularity, muscle dysmorphia symptoms, muscular/athletic-ideal internalization, disordered eating behaviors, and exercise dependence. RESULTS Findings from an exploratory factor analysis and a confirmatory factor analysis revealed a one-factor structure and adequate internal consistency for men (ω = 0.86; α = 0.86) and women (ω = .84; α = .83). Measurement invariance across gender was supported. In addition, the scale demonstrated good three week test-retest reliability for both men (ICC = .96; p < .001) and women (ICC = .92; p < .001), and the subscales revealed moderate to large associations with drive for muscularity, muscle dysmorphia symptoms, muscular/athletic-ideal internalization, disordered eating, and exercise dependence. CONCLUSION This study supports the validity and reliability of the MOET in a community sample of Brazilian men and women and represents an advance in measures of muscularity-oriented disordered eating in Brazilian adults, allowing for future cross-cultural studies in this field. PUBLIC SIGNIFICANCE The Muscularity-Oriented Eating Test (MOET) is a measure of muscularity-oriented disordered eating, which assess strict adherence to diet rules, including the food's macronutrient content, regulation of protein intake, and eating less or more to influence muscle gain. This study evaluated the validity and reliability of the MOET in a community sample of Brazilian men and women. Our findings represent an advance in measures of muscularity-oriented disordered eating in Brazilian adults.
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Affiliation(s)
- Pedro Henrique Berbert de Carvalho
- NICTA, Body Image and Eating Disorders Research Group, Federal University of Juiz de Fora, Governador Valadares, Brazil.,AMBULIM, Eating Disorders Program, Institute of Psychiatry, University of São Paulo, São Paulo, Brazil
| | - Vitoria Bagolin
- Department of Nutrition, University of Ribeirão Preto, Ribeirão Preto, Brazil
| | | | - Jason M Nagata
- Department of Pediatrics, University of California, San Francisco, California, USA
| | - Chloe J Cattle
- Department of Pediatrics, University of California, San Francisco, California, USA
| | - Stuart B Murray
- Department of Psychiatry and Behavioral Sciences, University of Southern California, Los Angeles, California, USA
| | - Emilio J Compte
- Eating Behavior Research Center, School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile.,Research Department, Comenzar de Nuevo Treatment Center, Monterrey, Mexico
| | - Telma Maria Braga Costa
- Department of Nutrition, University of Ribeirão Preto, Ribeirão Preto, Brazil.,Department of Psychology, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Maria Fernanda Laus
- Department of Nutrition, University of Ribeirão Preto, Ribeirão Preto, Brazil.,Department of Psychology, University of São Paulo, Ribeirão Preto, Brazil
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Fortes LDS, Ferreira MEC, Oliveira SMFD, Fiorese L, Almeida SS. EQUATION FOR EATING DISORDER RISK BEHAVIORS IN FEMALE ATHLETES. REV BRAS MED ESPORTE 2020. [DOI: 10.1590/1517-869220202606153892] [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] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Introduction: It is difficult to detect athletes at risk of eating disorders. Objective: The aim of this study was to create a predictive equation for eating disorder risk behaviors (EDRB) in female athletes. Methods: 484 athletes participated in the study. The Eating Attitudes Test (EAT-26) was used to assess EDRB. The Sociocultural Attitudes Towards Appearance Questionnaire-3 was used to analyze the sociocultural influence on body image. The Body Shape Questionnaire and the Body Checking and Avoidance Questionnaire were used to assess body dissatisfaction in relation to thinness, and body checking, respectively. Skinfold thickness, body weight and height were also measured. The demographic data collected were age and weekly training regime. Results: The findings indicate that body mass index (BMI), body fat percentage (BF%), sociocultural influence, body checking and body dissatisfaction in relation to thinness explain 23% of the EDRB variance (p = 0.001). The results showed no difference between the EAT-26 scores and the predictive equation (p = 0.27). Conclusion: It was concluded that the predictive equation is reliable for evaluating EDRB in female athletes. Level of evidence III; study case-control.
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Moreira GSX, Lorenzato L, Neulfeld CB, Almeida SS. Brazilian version of the Sociocultural Attitudes towards Appearance Questionnaire (SATAQ-3) for adolescents. Estud psicol (Natal) 2020. [DOI: 10.22491/1678-4669.20180041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Junqueira ACP, Laus MF, Sousa Almeida S, Braga Costa TM, Todd J, Swami V. Translation and validation of a Brazilian Portuguese version of the Body Appreciation Scale-2 in Brazilian adults. Body Image 2019; 31:160-170. [PMID: 31715552 DOI: 10.1016/j.bodyim.2019.10.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [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] [Received: 05/24/2019] [Revised: 09/22/2019] [Accepted: 10/01/2019] [Indexed: 01/07/2023]
Abstract
We examined the psychometric properties of a Brazilian Portuguese translation of the Body Appreciation Scale-2 (BAS-2; Tylka & Wood-Barcalow, 2015). A sample of 990 Brazilian adults (560 women, 430 men; Mage = 31.10, SD = 8.94) completed the BAS-2 and measures of life satisfaction, self-esteem, actual-ideal weight discrepancy (women only), breast size dissatisfaction (women only), drive for muscularity (men only), and disordered eating behaviours. Exploratory factor analyses indicated that BAS-2 scores reduced to a single dimension with all 10 items in women and men. Confirmatory factor analysis supported the fit of this one-dimensional factor structure following freeing of error covariances between two pairs of items. BAS-2 scores achieved full scalar invariance across sex, and men had significantly higher BAS-2 scores than women. Internal consistency coefficients were adequate and test-retest reliability was supported up to three weeks in a subsample of 221 participants (140 women, 81 men). Evidence of construct validity was demonstrated through positive associations with indices of psychological well-being and negative associations with indices of negative body image and disordered eating behaviours. Availability of a Brazilian Portuguese translation of the BAS-2 should help to promote greater understanding of positive body image in the Brazilian context.
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Affiliation(s)
- Alessandra Costa Pereira Junqueira
- Department of Psychology, University of São Paulo, Ribeirão Preto, Brazil; Department of Nutrition, University of Ribeirão Preto, Ribeirão Preto, Brazil
| | - Maria Fernanda Laus
- Department of Psychology, University of São Paulo, Ribeirão Preto, Brazil; Department of Nutrition, University of Ribeirão Preto, Ribeirão Preto, Brazil.
| | | | | | - Jennifer Todd
- Centre for Psychological Medicine, Perdana University, Serdang, Malaysia
| | - Viren Swami
- School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, United Kingdom; Centre for Psychological Medicine, Perdana University, Serdang, Malaysia
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Fortes LDS, Almeida SS, Ferreira MEC. DO TRAINING REGIMEN AND COMPETITIVE LEVEL AFFECT BODY IMAGE DISSATISFACTION (LEANNESS AND MUSCLE TONE) IN FEMALE ATHLETES? REV BRAS MED ESPORTE 2019. [DOI: 10.1590/1517-869220192505141766] [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] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Introduction Studies that seek analyze the relationship between sport variables and body image are importants, because indicate if the competitive sport environment influence on body feelings of athlete. Objective To analyze the relationship between sports variables (training regimen and competitive level) and dissatisfaction in regard to leanness and muscle tone in female athletes. Methods One hundred and eighty female athletes aged over 12 years from various sport disciplines participated in the study. We used the Body Shape Questionnaire (BSQ) to assess dissatisfaction in regard to leanness. The dissatisfaction subscale of Drive for Muscularity Scale (DMS) was used to evaluate dissatisfaction with muscle tone. Training regimen (frequency x daily hours of training) and competitive level were acquired through a questionnaire developed by the actual investigators. Results The findings indicated a statistically significant relationship between the training regimen (F(1, 179)=4.01; p=0.047) and competitive level (F(2, 178)=3.59; p=0.031) and the BSQ scores. Moreover, the results indicated a statistically significant relationship between the training regimen (F(1, 179)=4.01; p=0.047) and the competitive level (F(2, 178)=3.59; p=0.031), with DMS dissatisfaction subscale scores. Conclusion Sports variables (training regimen and competitive level) were related to dissatisfaction in regard to leanness and muscle tone, although they demonstrated different magnitudes. Level of evidence III; study case-control.
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Junqueira ACP, Laus MF, Sousa Almeida S, Braga Costa TM, da Cunha MCF, Swami V. Psychometric properties of the Breast Size Rating Scale (BSRS) in Brazilian university women. Body Image 2019; 28:34-38. [PMID: 30530154 DOI: 10.1016/j.bodyim.2018.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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] [Received: 06/13/2018] [Revised: 10/26/2018] [Accepted: 11/29/2018] [Indexed: 11/30/2022]
Abstract
The present study examined the psychometric properties of a Brazilian Portuguese translation of the Breast Size Rating Scale (BSRS). A total of 194 Brazilian university women completed the BSRS along with measures of body satisfaction, body appreciation, weight discrepancy, and attitudes toward societal appearance ideals. They also had their actual bra size and body mass indices (BMIs) objectively measured. Results indicated evidence of adequate convergent validity insofar as greater breast size dissatisfaction was significantly associated with greater weight discrepancy, higher BMI, lower body appreciation, lower body satisfaction, greater use of information from society about appearance ideals, greater perceived pressure from society about appearance ideals, and greater internalisation of general and athletic appearance ideals, respectively. In our sample, 20.6% of women reported no breast size dissatisfaction, 65.5% desired a larger breast size, and 13.9% desired a smaller breast size. Findings demonstrate that BSRS scores are psychometrically sound and that breast size dissatisfaction is common among Brazilian women.
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Affiliation(s)
| | | | | | | | | | - Viren Swami
- School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, UK; Centre for Psychological Medicine, Perdana University, Serdang, Malaysia
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Fortes LDS, Fiorese L, Andrade Nascimento-Júnior JR, Almeida SS, Ferreira MEC. Efeito da Ansiedade Competitiva sobre a Tomada de Decisão em Jovens Atletas de Voleibol. Psic : Teor e Pesq 2019. [DOI: 10.1590/0102.3772e3538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Resumo O objetivo do estudo foi analisar o efeito da ansiedade competitiva sobre a tomada de decisão de jovens atletas de voleibol. A amostra foi composta por 24 voluntários do sexo masculino (16,06 ±0,65 anos). Utilizou-se a versão brasileira do Competitite State Anxiety Inventory para avaliar a ansiedade competitiva. A tomada de decisão foi avaliada em situação real de jogo, adotando-se os critérios do Game Performance Assessment Instrument (GPAI). Localizaram-se correlações negativas da ansiedade cognitiva e ansiedade somática com o índice de tomada de decisão (p<0,05). Revelaram-se correlações positivas entre a “autoconfiança” e o índice de tomada de decisão (p<0,05). Revelou-se influência da ansiedade cognitiva, somática e autoconfiança no índice de tomada de decisão (p<0,05). Concluiu-se que a ansiedade pode ser considerada um fator interveniente na tomada de decisão.
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Guedine CRDC, Pordeus LCDM, Riul TR, Jordão AA, Almeida SS. Cafeteria diet during lactation and/or post-lactation altered lipid profile/lipid peroxidation and increased anxiety-like behavior in male rat offspring. Nutr Neurosci 2018; 23:526-536. [PMID: 30289019 DOI: 10.1080/1028415x.2018.1529283] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Objective: Evaluate the impact of the cafeteria diet during lactation and/or post-lactation on physiological parameters and anxiety in the offspring of Wistar rats. Methods: Male offspring of Wistar rats (n = 60) were randomized into four groups: Control (C), Lactation Cafeteria (LC), Post-lactation Cafeteria (PC) and Total Cafeteria (TC). Later in adult life the animals were submitted to the behavioral (elevated plus-maze and open field) and biological (body weight, consumption and food preference, glycemia, total cholesterol, LDL cholesterol, HDL cholesterol, VLDL cholesterol, triglycerides, total proteins, urea, creatinine, bilirubin, serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase, serum protein, and oxidative stress) evaluations. The data were submitted to ANOVA, followed by the Newman-Keuls test (p < 0.05). Results: Animals treated with the cafeteria diet presented greater weight measurements compared to the control group. Triglyceride levels were higher in the PC group than in the other groups. MDA levels were higher in the PC and TC group than CL and C. The animals of the PC and TC groups presented higher levels of anxiety compared to the C and LC groups. No significant differences due to diet were observed in the locomotor and exploratory behaviors. Conclusions: The cafeteria diet ingestion was capable of triggering biological and behavioral alterations in rats.
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Affiliation(s)
| | | | - Tania Regina Riul
- Nutrition Department, FCBS, UFVJM, Rodovia MGT 367, KM 583, Alto da Jacuba, 5000, Diamantina, MG 39100-000, Brazil
| | - Alceu Afonso Jordão
- Metabolism and Nutrition Laboratory, FMRP, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP 14040-901, Brazil
| | - Sebastião Sousa Almeida
- Behavior and Nutrition Laboratory, FFLCLRP, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP 14040-901, Brazil
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Fortes LDS, Ferreira MEC, Oliveira SFMD, Paes PP, Almeida SS. Influência da insatisfação corporal direcionada à magreza na restrição alimentar e nos sintomas bulímicos: uma investigação prospectiva com jovens nadadoras. Revista Brasileira de Ciências do Esporte 2018. [DOI: 10.1016/j.rbce.2018.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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Fortes LDS, Lira HAADS, Carvalho PHBD, Ferreira MEC, Almeida SS. What is more strongly related to disordered eating in male surfers, body fat or muscularity? Motriz: rev educ fis 2017. [DOI: 10.1590/s1980-6574201700020007] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Luciano RP, Wajchenberg M, Almeida SS, Amorim CEN, Rodrigues LMR, Araujo RC, Puertas EB, Faloppa F. Genetic ACE I/D and ACTN3 R577X polymorphisms and adolescent idiopathic scoliosis. Genet Mol Res 2016; 15:gmr-15-gmr15048959. [PMID: 27819725 DOI: 10.4238/gmr15048959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The etiology of adolescent idiopathic scoliosis remains unknown. Angiotensin-converting enzyme and α-actinin-3 polymorphisms influence the characteristics of muscle fibers. The aim of this study was to examine the association between idiopathic scoliosis and genetic polymorphism of angiotensin-converting enzyme and α-actinin-3. Ninety-seven females with scoliosis, and 137 healthy, age-matched control females were studied. The presence of polymorphisms was determined by PCR. A χ2 test was used to analyze differences, and odds ratios were estimated. The frequencies of ACE genotypes in the scoliotic group were 46.4% DD, 45.4% ID, and 8.2% II, while in the control group they were 40.1% DD, 43.8% ID, and 16.1% II (P = 0.197). The D allele had a frequency of 69.1% in patients with idiopathic scoliosis and 62% in the control group (P = 0.116). The frequencies of ACTN3 genotypes in females with scoliosis were 31.8% RR, 49.4% RX, and 18.8% XX, while in the control group they were 35% RR, 49% RX, and 16% XX (P = 0.810). The frequency of the R allele was 56.4% in the scoliotic group and 59.6% in the control group (P = 0.518). There was no statistically significant association between angiotensin-converting enzyme or α-actinin-3 polymorphisms and the presence of adolescent idiopathic scoliosis in females.
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Affiliation(s)
- R P Luciano
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - M Wajchenberg
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - S S Almeida
- Departamento de Biofísica, Laboratório de Pesquisa Genética do Exercício e Metabolismo da Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - C E N Amorim
- Departamento de Biofísica, Laboratório de Pesquisa Genética do Exercício e Metabolismo da Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - L M R Rodrigues
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - R C Araujo
- Departamento de Biofísica, Laboratório de Pesquisa Genética do Exercício e Metabolismo da Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - E B Puertas
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - F Faloppa
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
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Fortes LDS, Lira HAADS, Lima RCRD, Almeida SS, Ferreira MEC. O treinamento mental gera efeito positivo na ansiedade competitiva de jovens nadadores? Rev Bras Cineantropom Desempenho Hum 2016. [DOI: 10.5007/1980-0037.2016v18n3p353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n3p353 The aim of this research was to analyze the effect of mental training on the competitive anxiety of young swimmers. The sample consisted of 35 swimmers aged 15 - 17 years (M = 15.93; SD = 0.98), randomly divided into two groups: experimental group (EG, n = 17) and control group (CG, n = 18). The study lasted eight weeks. Both groups performed the same physical/technical training planning. CG watched advertisement videos while EG performed mental training. The Competitive State Anxiety Inventory (CSAI-2R) was administered to all athletes before the start of the season and the last week of the “taper” mesocycle. The findings revealed that the “cognitive anxiety” and “somatic anxiety” subscale scores attenuated from pre-test to post-test in EG (p = 0.01) and remained stable in CG (p = 0.15). The results showed that the “self-confidence” subscale score increased from pre-test to post-test in EG (p = 0.01) and remained stable in CG (p = 0.26). Significant difference was found in “cognitive anxiety” (p = 0.01), “somatic anxiety” (p = 0.01) and “self-confidence” (p = 0.01) subscales across EG and CG after 8 weeks. It was concluded that mental training was effective in reducing anxiety (cognitive and somatic) and increasing the self-confidence of young swimmers.
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Fortes LDS, Filgueiras JF, Oliveira FDC, Almeida SS, Ferreira MEC. Etiological model of disordered eating behaviors in Brazilian adolescent girls. CAD SAUDE PUBLICA 2016; 32:e000024115. [PMID: 27167040 DOI: 10.1590/0102-311x00024115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 07/06/2015] [Indexed: 11/22/2022] Open
Abstract
The objective was to construct an etiological model of disordered eating behaviors in Brazilian adolescent girls. A total of 1,358 adolescent girls from four cities participated. The study used psychometric scales to assess disordered eating behaviors, body dissatisfaction, media pressure, self-esteem, mood, depressive symptoms, and perfectionism. Weight, height, and skinfolds were measured to calculate body mass index (BMI) and percent body fat (%F). Structural equation modeling explained 76% of variance in disordered eating behaviors (F(9, 1,351) = 74.50; p = 0.001). The findings indicate that body dissatisfaction mediated the relationship between media pressures, self-esteem, mood, BMI, %F, and disordered eating behaviors (F(9, 1,351) = 59.89; p = 0.001). Although depressive symptoms were not related to body dissatisfaction, the model indicated a direct relationship with disordered eating behaviors (F(2, 1,356) = 23.98; p = 0.001). In conclusion, only perfectionism failed to fit the etiological model of disordered eating behaviors in Brazilian adolescent girls.
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Neves CM, Meireles JFF, Carvalho PHBD, Almeida SS, Ferreira MEC. Insatisfação corporal de adolescentes atletas e não atletas de ginástica artística. ACTA ACUST UNITED AC 2016. [DOI: 10.5007/1980-0037.2016v18n1p82] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n1p82 The evaluation of psychological factors can help preventing eating disorders in athletes. This study aimed to verify possible links between body dissatisfaction and media influence, perfectionism, mood and risk behavior for eating disorders and to compare the study variables among artistic gymnastics elite and non-elite athletes and non-athletes. Participants were 413 adolescents of both sexes (elite and non-elite athletes and non-athletes), aged 10-18 years (mean age 12.86 ± 1.80). BSQ, EAT-26, SATAQ-3, MPS and BRUMS were applied to evaluate body dissatisfaction, risk behavior for eating disorders, media influence, perfectionism and mood, respectively. Anthropometric data were collected to estimate body mass index (BMI) and body fat percentage (%BF). Descriptive statistical, comparative and correlational analyses were held. Only EAT-26 influenced BSQ in the three groups. In non-athletes, BMI, BRUMS and SATAQ-3 added explanation to the model. For non-elite athletes, %BF, media influence and mood were also predictors of body dissatisfaction. Elite athletes had lower BMI and %BF than the others. Non-athletes had lower perfectionism scores while non-elite athletes athletes had lower mood scores. It could be concluded that the risk behavior for eating disorders is the factor most strongly related to body dissatisfaction among elite and non-elite athletes and non-athletes.
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Pini RTB, Ferreira do Vales LDM, Braga Costa TM, Almeida SS. Effects of cafeteria diet and high fat diet intake on anxiety, learning and memory in adult male rats. Nutr Neurosci 2016; 20:396-408. [DOI: 10.1080/1028415x.2016.1149294] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Renata Tavares Beschizza Pini
- Laboratory of Nutrition and behavior, FFLCLRP, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP 14040-901, Brazil
| | | | - Telma Maria Braga Costa
- Nutrition Course, UNAERP, University of Ribeirão Preto, Avenida Costabile Romano, 2201, Ribeirão Preto, SP 14096-900, Brazil
| | - Sebastião Sousa Almeida
- Laboratory of Nutrition and behavior, FFLCLRP, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP 14040-901, Brazil
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Abstract
Abstract Because of the increasing number of Brazilian studies on body image (BI), the aim of the present study was to review Brazilian scientific research on the construction and adaptation of systematic assessment instruments for this construct. After conducting a broad literature search, 34 BI assessment studies were analyzed, including 27 adaptation studies and seven construction studies. The results were summarized based on the procedures that were used for the adaptation and construction of BI assessment instruments, indicating strong convergence among most researchers with regard to national and international recommendations on techniques to drive such processes and test the psychometric properties before implementing the instruments in professional practice.
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Laus MF, Costa TMB, Almeida SS. Gender differences in body image and preferences for an ideal silhouette among Brazilian undergraduates. Eat Behav 2015; 19:159-62. [PMID: 26409175 DOI: 10.1016/j.eatbeh.2015.09.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [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] [Received: 12/02/2013] [Revised: 06/08/2015] [Accepted: 09/17/2015] [Indexed: 11/24/2022]
Abstract
The aim of this study was to investigate gender differences in the accuracy of body size estimation and body dissatisfaction among Brazilian undergraduates and their relationships with perceptions of the ideal body silhouettes that would be selected by same-gender and opposite-gender peers. A total of 159 undergraduates (79 males) from a public University in Ribeirao Preto, Sao Paulo, Brazil, participated in the study. They completed a Figure Rating Scale and indicated the figure that best describes the size of their own body (actual), their desired body, the body they judged would be ideal to same-gender peers, and the body they judged would be ideal to opposite-gender peers. The results showed that women were less precise in estimating their actual size and more dissatisfied. The mean Body Mass Index (BMI) that was selected as “current” by women was significantly higher than their desired and ideal BMIs, whereas the mean BMIs that were selected by men were practically the same. Men and women selected ideal silhouettes for their own gender that were the same as those that were selected as ideal by the opposite gender. The mean BMIs that were actually chosen by men and women as desired and ideal were closer to the upper end of normal weight and lower end of overweight, respectively. Such results contradict what has been assumed to be a normative characteristic of men and women in several countries, raising some doubts regarding the role of beliefs about judgments of the opposite gender in the development of body image disturbances.
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Affiliation(s)
- Maria Fernanda Laus
- Laboratory of Nutrition and Behavior, Department of Psychology, Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, University of Sao Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, Sao Paulo 14040-901, Brazil.
| | - Telma Maria Braga Costa
- Nutrition Course, University of Ribeirão Preto, Av. Costábile Romano, 2201, Ribeirania, Ribeirão Preto, Sao Paulo 14096-000, Brazil.
| | - Sebastião Sousa Almeida
- Laboratory of Nutrition and Behavior, Department of Psychology, Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, University of Sao Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, Sao Paulo 14040-901, Brazil.
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Cunha AOS, de Oliveira JAC, Almeida SS, Garcia-Cairasco N, Leão RM. Inhibition of long-term potentiation in the schaffer-CA1 pathway by repetitive high-intensity sound stimulation. Neuroscience 2015; 310:114-27. [PMID: 26391920 DOI: 10.1016/j.neuroscience.2015.09.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [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: 07/14/2015] [Revised: 09/01/2015] [Accepted: 09/14/2015] [Indexed: 10/23/2022]
Abstract
High-intensity sound can induce seizures in susceptible animals. After repeated acoustic stimuli changes in behavioural seizure repertoire and epileptic EEG activity might be seen in recruited limbic and forebrain structures, a phenomenon known as audiogenic kindling. It is postulated that audiogenic kindling can produce synaptic plasticity events leading to the spread of epileptogenic activity to the limbic system. In order to test this hypothesis, we investigated if long-term potentiation (LTP) of hippocampal Schaffer-CA1 synapses and spatial navigation memory are altered by a repeated high-intensity sound stimulation (HISS) protocol, consisting of one-minute 120 dB broadband noise applied twice a day for 10 days, in normal Wistar rats and in audiogenic seizure-prone rats (Wistar Audiogenic Rats - WARs). After HISS all WARs exhibited midbrain seizures and 50% of these animals developed limbic recruitment, while only 26% of Wistar rats presented midbrain seizures and none of them had limbic recruitment. In naïve animals, LTP in hippocampal CA1 neurons was induced by 50- or 100-Hz high-frequency stimulation of Schaffer fibres in slices from both Wistar and WAR animals similarly. Surprisingly, HISS suppressed LTP in CA1 neurons in slices from Wistar rats that did not present any seizure, and inhibited LTP in slices from Wistar rats with only midbrain seizures. However HISS had no effect on LTP in CA1 neurons from slices of WARs. Interestingly HISS did not alter spatial navigation and memory in both strains. These findings show that repeated high-intensity sound stimulation prevent LTP of Schaffer-CA1 synapses from Wistar rats, without affecting spatial memory. This effect was not seen in hippocampi from audiogenic seizure-prone WARs. In WARs the link between auditory stimulation and hippocampal LTP seems to be disrupted which could be relevant for the susceptibility to seizures in this strain.
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Affiliation(s)
- A O S Cunha
- Department of Physiology, FMRP, University of São Paulo, Ribeirão Preto-SP, Brazil
| | - J A C de Oliveira
- Department of Physiology, FMRP, University of São Paulo, Ribeirão Preto-SP, Brazil
| | - S S Almeida
- Departament of Psychology, FFCLRP, University of São Paulo, Ribeirão Preto-SP, Brazil
| | - N Garcia-Cairasco
- Department of Physiology, FMRP, University of São Paulo, Ribeirão Preto-SP, Brazil.
| | - R M Leão
- Department of Physiology, FMRP, University of São Paulo, Ribeirão Preto-SP, Brazil.
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Fortes LDS, Ferreira MEC, de Oliveira SMF, Cyrino ES, Almeida SS. A socio-sports model of disordered eating among Brazilian male athletes. Appetite 2015; 92:29-35. [DOI: 10.1016/j.appet.2015.05.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 04/30/2015] [Accepted: 05/06/2015] [Indexed: 11/28/2022]
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Fortes LDS, Meireles JFF, Neves CM, Almeida SS, Ferreira MEC. Autoestima, insatisfação corporal e internalização do ideal de magreza influenciam os comportamentos de risco para transtornos alimentares? REV NUTR 2015. [DOI: 10.1590/1415-52732015000300003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
OBJETIVO: O objetivo do presente estudo foi verificar a influência da autoestima, da insatisfação corporal e da internalização do ideal de magreza nos comportamentos de risco para transtornos alimentares de adolescentes do sexo feminino. MÉTODOS: Participaram do estudo 471 jovens. Utilizou-se a Escala de Autoestima de Rosemberg, o Body Shape Questionnaire e o Sociocultural Attitudes Towards Appearance Questionnaire-3 para avaliar autoestima, insatisfação corporal e internalização do ideal de magreza, respectivamente. As subescalas do Eating Attitudes Test foram utilizadas para avaliar os comportamentos de risco para transtornos alimentares. RESULTADOS: Os resultados indicaram influência dos escores do Body Shape Questionnaire (p<0,05) e da Sociocultural Attitudes Towards Appearance Questionnaire-3 (p<0,05) em todas as subescalas do Eating Attitudes Test. Em contrapartida, os achados não demonstraram influência da Escala de Autoestima de Rosemberg nos escores das subescalas do Eating Attitudes Test (p>0,05). CONCLUSÃO: Concluiu-se que a insatisfação corporal e a internalização do ideal de magreza influenciam os comportamentos de risco para transtornos alimentares em adolescentes do sexo feminino, fato que não foi evidenciado para a autoestima.
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Laus MF, Kakeshita IS, Costa TMB, Ferreira MEC, Fortes LDS, Almeida SS. Body image in Brazil: recent advances in the state of knowledge and methodological issues. Rev Saude Publica 2015; 48:331-46. [PMID: 24897056 PMCID: PMC4206138 DOI: 10.1590/s0034-8910.2014048004950] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Accepted: 12/04/2013] [Indexed: 12/05/2022] Open
Abstract
OBJECTIVE To analyze Brazilian literature on body image and the theoretical and
methodological advances that have been made. METHODS A detailed review was undertaken of the Brazilian literature on body image,
selecting published articles, dissertations and theses from the SciELO,
SCOPUS, LILACS and PubMed databases and the CAPES thesis database. Google
Scholar was also used. There was no start date for the search, which used
the following search terms: “body image” AND “Brazil” AND “scale(s)”; “body
image” AND “Brazil” AND “questionnaire(s)”; “body image” AND “Brazil” AND
“instrument(s)”; “body image” limited to Brazil and “body image”. RESULTS The majority of measures available were intended to be used in college
students, with half of them evaluating satisfaction/dissatisfaction with the
body. Females and adolescents of both sexes were the most studied
population. There has been a significant increase in the number of available
instruments. Nevertheless, numerous published studies have used
non-validated instruments, with much confusion in the use of the appropriate
terms (e.g., perception, dissatisfaction, distortion). CONCLUSIONS Much more is needed to understand body image within the Brazilian population,
especially in terms of evaluating different age groups and diversifying the
components/dimensions assessed. However, interest in this theme is
increasing, and important steps have been taken in a short space of
time.
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Affiliation(s)
| | | | | | - Maria Elisa Caputo Ferreira
- Faculdade de Educação Física, Instituto de Ciências Humanas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Leonardo de Sousa Fortes
- Núcleo de Educação Física e Ciências do Esporte, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Vitória de Santo Antão, PE, Brasil
| | - Sebastião Sousa Almeida
- Departamento de Psicologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
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Fortes LDS, Filgueiras JF, Neves CM, Almeida SS, Ferreira MEC. Efeitos do estado de humor sobre os comportamentos alimentares inadequados de atletas de atletismo. Psic : Teor e Pesq 2014. [DOI: 10.1590/s0102-37722014000300007] [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] [Indexed: 11/22/2022] Open
Abstract
O objetivo do presente estudo foi analisar os efeitos do estado de humor sobre os comportamentos alimentares inadequados (CAI) em atletas. Participaram 68 atletas de atletismo, do sexo feminino, com idades entre 12 e 17 anos. Utilizaram-se o Eating Attitudes Test (EAT-26) e a Escala de Humor de Brunel (BRUMS) para avaliar os CAI e o distúrbio total do humor (DTH), respectivamente. Dois modelos de regressão linear não indicaram influência estatisticamente significativa da BRUMS nas subescalas Dieta (p=0,42) e Bulimia e Preocupação com Alimentos (p=0,81) do EAT-26. Ao contrário, a BRUMS (p=0,04) demonstrou impacto significante (7%) sobre os escores da subescala Autocontrole Oral. Concluiu-se que as atletas com DTH elevado podem estar mais susceptíveis à influência ambiental para a ingestão alimentar.
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Fortes LDS, Ferreira MEC, Laus MF, Almeida SS. Insatisfação corporal e comportamento alimentar: comparações entre jovens atletas de diferentes esportes DOI - 10.5752/P.1678-9523.2014v20n1p138. Psi rev 2014. [DOI: 10.5752/p.1678-9523.2014v20n1p138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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de Oliveira Soares R, Marcellino de Oliveira L, Almeida SS. Effects of environmental stimulation during different periods of central nervous system development in malnourished rats subjected to the elevated plus maze. ACTA ACUST UNITED AC 2014. [DOI: 10.3922/j.psns.2014.4.11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Braga NN, Hebihara Fukuda MT, Almeida SS. Early postnatal protein malnutrition impairs recognition memory in rats (Rattus norvegicus). ACTA ACUST UNITED AC 2014. [DOI: 10.3922/j.psns.2014.02.01] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Straatmann G, Almeida SS, Rose JC. Computerized assessment of food preferences in adolescents in the stimulus equivalence paradigm. ACTA ACUST UNITED AC 2014. [DOI: 10.9788/tp2014.3-07] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
Objetivou-se avaliar a validade de construto e a fidedignidade das escalas de silhuetas de Kakeshita (2008) em adolescentes brasileiros. Após a condução do teste-reteste em 112 participantes com intervalo de um mês, os resultados demonstraram que as escalas foram capazes de discriminar os diferentes grupos de estado nutricional em ambos os sexos; apresentaram coeficientes de correlação entre IMC real, IMC atual e insatisfação e coeficientes de correlação intraclasse elevados, comprovando que o instrumento é apropriado para avaliar a imagem corporal nessa faixa etária.
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Lima APAS, Silva K, Padovan CM, Almeida SS, Fukuda MTH. Memory, learning, and participation of the cholinergic system in young rats exposed to environmental enrichment. Behav Brain Res 2013; 259:247-52. [PMID: 24239697 DOI: 10.1016/j.bbr.2013.10.046] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [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: 06/13/2013] [Revised: 10/24/2013] [Accepted: 10/28/2013] [Indexed: 12/30/2022]
Abstract
The present study demonstrates the consequences of animal exposure to an enriched environment compared to animals living in a standard environment regarding learning and space memory. Male albino Wistar rats were exposed to an enriched environment for 4 weeks after the lactation period and tested in the Morris water maze in the distal and proximal clue version and in the arena. In the former test, the animals were tested at 50 days of age with 12 daily trials on two consecutive days. At the end of each session, scopolamine at the dose of 0.6 mg/kg/ml or saline solution was injected intraperitoneally. Twenty-eight days after the first phase, a new test consisting of a single trial was held (retest). An independent group of animals receiving no drug was subjected to the arena test and to the proximal clue version of the Morris maze. In the distal clue version the results did not show differences between groups in the first phase of the experiment. After 28 days (retest), the animals reared in a standard environment and treated with scopolamine exhibited a significant increase in latency compared to the group receiving the same drug and stimulated and to the group receiving saline. The arena data demonstrated a significant increase in exploratory activity in the group of animals reared in an enriched environment. The proximal clue version of the Morris maze did not show differences between groups. The results of the present study indicate that animals exposed to environmental enrichment react less to the amnesic effects of scopolamine and show an increase in exploratory activity.
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Affiliation(s)
- Aline P A S Lima
- Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, FMRP-USP, Brazil
| | - Kelly Silva
- Department of Psychology. Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, FFCLRP-USP, Brazil
| | - Cláudia Maria Padovan
- Department of Psychology. Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, FFCLRP-USP, Brazil; Instituto de Neurociências e Comportamento, Ribeirão Preto, SP, Brazil
| | - Sebastião Sousa Almeida
- Department of Psychology. Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, FFCLRP-USP, Brazil
| | - Marisa Tomoe Hebihara Fukuda
- Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, FMRP-USP, Brazil.
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Françolin-Silva AL, Brandão ML, Almeida SS. Early postnatal protein malnutrition causes resistance to the anxiolytic effects of diazepam as assessed by the fear-potentiated startle test. Nutr Neurosci 2013; 10:23-9. [PMID: 17539480 DOI: 10.1080/10284150601168346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Given that protein malnutrition induces structural, neurochemical and functional changes in the CNS, the present study aimed to investigate the effects of different early periods of protein malnutrition on the behavior and reactivity to diazepam (DZ) in a model of anxiety: the fear-potentiated startle (FPS). Male Wistar rats (n = 110) from well-nourished (16 %-protein) or malnourished (6%-protein) litters were distributed in five different groups: W (well-nourished), M7 (malnourished for 7-days, since day 0), M14 (14-days), M21 (21-days) and M28 (28-days). The results obtained in FPS revealed that malnourished-animals acquired the startle response, irrespective of the time they were exposed to the diet. Besides, DZ reduced the startle amplitude in the noise-alone and light-noise trials. The data concerning the total freezing time showed that the expression of this response was affected by malnutrition and varied in accordance with the findings of previous studies in which malnutrition procedures was imposed for long periods (more than 50 days). Therefore, we suggest that early protein malnutrition: (a) did not produce deficits in the associative learning process of these animals in the FPS, and (b) decreased freezing time in the FPS and produce hyporeactivity to the effects of DZ in rats malnourished for 21 days or more, indicating alterations in the GABAergic neurotransmitter system.
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Affiliation(s)
- A L Françolin-Silva
- Laboratory of Nutrition and Behavior, Department of Psychology, FFCLRP, University of São Paulo, Avenida dos Bandeirantes, 3900, 14040-901 Ribeirão Preto SP, Brazil
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Abstract
Living well but looking good. This health dichotomy is among the majors concerns in modern Western societies, especially for women. But what is "living well"? And what does it mean to "look good"? Are these concepts exclusionary or are they related in females' minds? In this paper, we sought to discuss such approaches by defining these terms, highlighting the current role of women within our society, and the importance of the body to Brazilian women. Moreover, the possible consequences on health of having a negative perception of the own body are raised, including its relation to physical activity.
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Fortes LDS, Neves CM, Filgueiras JF, Almeida SS, Ferreira MEC. Insatisfação corporal, comprometimento psicológico ao exercício e comportamento alimentar em jovens atletas de esportes estéticos. Rev Bras Cineantropom Desempenho Hum 2013. [DOI: 10.5007/1980-0037.2013v15n6p695] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Pereira UP, Soares SC, Blom J, Leal CAG, Ramos RTJ, Guimarães LC, Oliveira LC, Almeida SS, Hassan SS, Santos AR, Miyoshi A, Silva A, Tauch A, Barh D, Azevedo V, Figueiredo HCP. In silico prediction of conserved vaccine targets in Streptococcus agalactiae strains isolated from fish, cattle, and human samples. Genet Mol Res 2013; 12:2902-12. [PMID: 24065646 DOI: 10.4238/2013.august.12.6] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Streptococcus agalactiae (Lancefield group B; group B streptococci) is a major pathogen that causes meningoencephalitis in fish, mastitis in cows, and neonatal sepsis and meningitis in humans. The available prophylactic measures for conserving human and animal health are not totally effective and have limitations. Effective vaccines against the different serotypes or genotypes of pathogenic strains from the various hosts would be useful. We used an in silico strategy to identify conserved vaccine candidates in 15 genomes of group B streptococci strains isolated from human, bovine, and fish samples. The degree of conservation, subcellular localization, and immunogenic potential of S. agalactiae proteins were investigated. We identified 36 antigenic proteins that were conserved in all 15 genomes. Among these proteins, 5 and 23 were shared only by human or fish strains, respectively. These potential vaccine targets may help develop effective vaccines that will help prevent S. agalactiae infection.
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Affiliation(s)
- U P Pereira
- AQUAVET - Laboratório de Doenças de Animais Aquáticos, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil
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Fortes LDS, Kakeshita IS, Almeida SS, Gomes AR, Ferreira MEC. Eating behaviours in youths: A comparison between female and male athletes and non-athletes. Scand J Med Sci Sports 2013; 24:e62-8. [PMID: 23889336 DOI: 10.1111/sms.12098] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2013] [Indexed: 11/30/2022]
Abstract
This study compared the different factors associated with eating behaviors among young female and male athletes and non-athletes. A total of 580 female and male athletes and 362 female and male non-athletes between 10 and 19 years old participated. We used the subscales of the Eating Attitudes Test (EAT-26) to evaluate the factors associated with unhealthy eating behaviors. We found higher scores for females on the diet subscale compared with males, regardless of athletic group (P < 0.05). Non-athlete youths scored higher on this subscale compared with male athletes (P < 0.05). Our findings indicate higher scores for female athletes with regard to the bulimia and preoccupation with food subscale compared with other the groups (P < 0.05). Moreover, we observed that non-athlete males were more likely to engage in binge eating compared with athletes of the same sex (P < 0.05). Finally, females had higher scores on the oral self subscale than males, regardless of athletic group (P < 0.05). We concluded that the factors associated with eating behaviors differ with regard to sex and group.
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Affiliation(s)
- L de S Fortes
- Foundations of Physical Education, Faculty of Physical Education and Sport, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil; Department of Psychology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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Fortes LDS, Almeida SS, Ferreira MEC. Indicadores antropométricos de insatisfação corporal e de comportamentos alimentares inadequados em jovens atletas. REV BRAS MED ESPORTE 2013. [DOI: 10.1590/s1517-86922013000100007] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUÇÃO: Altos valores de índice de massa corporal (IMC) e percentual de gordura (%G) parecem estar associados à insatisfação corporal (IC) e aos comportamentos alimentares inadequados (CAI). OBJETIVO: Identificar a influência de variáveis antropométricas sobre a IC e o CAI em atletas adolescentes competitivos. MÉTODO: Trata-se de uma análise transversal com 580 participantes com idades entre dez e 19 anos de ambos os sexos, praticantes de diversas modalidades esportivas. Aplicou-se o Body Shape Questionnaire para mensurar a IC. Utilizou-se o Eating Attitudes Test para avaliar CAI. Foram aferidas dobras cutâneas para estimar o percentual de gordura (%G). Mensurou-se peso e estatura para calcular-se o IMC. Conduziu-se regressão linear múltipla para avaliar influências das variáveis independentes sobre os desfechos do estudo. RESULTADOS: Os resultados evidenciaram que a IC no sexo feminino foi modulada apenas pelo %G, ao contrário do sexo masculino, em que IMC e %G, juntos, explicaram parte de sua variância (p < 0,05). O CAI no sexo masculino foi pouco influenciado pelo %G. CONCLUSÃO: O %G foi a única variável que influenciou a IC em ambos os sexos. Ademais, os CAI em jovens atletas parecem não ser influenciados por características antropométricas.
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Fortes LDS, Almeida SS, Laus MF, Ferreira MEC. Grau de comprometimento psicológico ao exercício e comparação da insatisfação corporal de atletas participantes do panamericano escolar. REV BRAS MED ESPORTE 2012. [DOI: 10.1590/s1517-86922012000400004] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUÇÃO: O esporte de rendimento parece ser um agente potencializador para o surgimento de transtornos psicopatológicos, sendo, portanto, pertinente avaliar o grau de comprometimento psicológico ao exercício e aspectos da imagem corporal em atletas adolescentes de elite, já que estas variáveis são fatores de risco para desencadeamento de transtornos alimentares. OBJETIVO: Comparar a insatisfação corporal entre diferentes modalidades esportivas e verificar a influência da mesma sobre o grau de comprometimento psicológico ao exercício em atletas adolescentes competitivos. MÉTODOS: A amostra do estudo foi constituída por 65 atletas adolescentes de diversas modalidades esportivas de ambos os sexos. Para avaliar a insatisfação corporal foi aplicado o body shape questionnaire (BSQ) e o grau de comprometimento psicológico com o hábito de se exercitar foi avaliado pela escala de dedicação ao exercício (EDE). RESULTADOS: A insatisfação com a própria imagem foi observada em 21,5% dos participantes com diferença entre as modalidades (p < 0,05), o que não ocorreu com a EDE (p > 0,05). Além disso, a insatisfação influenciou 12% na modulação do grau de comprometimento psicológico ao exercício (p < 0,05). CONCLUSÃO: Dessa forma, conclui-se que, para esta amostra, a taxa de satisfação corporal foi alta e pouco relacionada ao grau de comprometimento ao exercício.
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Amaral DD, Vieira ICG, Salomão RP, Almeida SS, Jardim MAG. The status of conservation of urban forests in eastern Amazonia. BRAZ J BIOL 2012; 72:257-65. [DOI: 10.1590/s1519-69842012000200005] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Accepted: 07/29/2011] [Indexed: 11/22/2022] Open
Abstract
This study aims to identify the remnant tree flora in six forest fragments in the metropolitan area of Belém and to analyze these fragments in terms of biological conservation, species richness and diversity in the local urban landscape. The fragments and their respective sampling areas were as follows: Amafrutas reserve (15 ha), Trambioca Is. reserve (2 ha), Bosque Rodrigues Alves city park (15 ha), Combu Is. reserve (10 ha), Gunma Park reserve (10 ha) and Mocambo reserve (5 ha). Inventories were built from lineal plots of 250 m² and included trees with DBH equal to or greater than 10 cm at a height of 1.3 m above ground. Sixty-nine families and 759 species, of which eight were officially listed as endangered (Brazilian National Flora: Ministry of Environment, Normative Instruction of September, 2008; Pará State Flora: Decree Nº. 802 of February 2008) were recorded. These endangered species are: Aspidosperma desmanthum Benth. ex Müll. Arg. (Apocynaceae), Cedrela odorata L. (Meliaceae), Eschweilera piresii S.A Mori (Lecythidaceae), Euxylophora paraensis Huber (Rutaceae), Hymenolobium excelsum Ducke (Leguminosae), Manilkara huberi (Ducke) Chevalier (Sapotaceae), Tabebuia impetiginosa (Mart. ex DC.) Standl. (Bignoniaceae), Mezilaurus itauba (Meisn.) Taub. ex Mez (Lauraceae) and Qualea coerulea Aubl. (Vochysiaceae). Emergency actions such as implementing management plans for already existing Conservation Units, the creation of new such units in areas of primary forest fragments (as in the case of the Amafrutas reserve), as well as the intensification of actions of surveillance and monitoring, should be undertaken by Federal, State, and Municipal environmental agencies so as to ensure the conservation of these last primary forest remnants in the metropolitan area of Belém.
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Affiliation(s)
- DD Amaral
- Museu Paraense Emílio Goeldi, Brazil
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Laus MF, Miranda VPN, Almeida SS, Braga Costa TM, Ferreira MEC. Geographic location, sex and nutritional status play an important role in body image concerns among Brazilian adolescents. J Health Psychol 2012; 18:332-8. [PMID: 22514233 DOI: 10.1177/1359105311434755] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study compared body image concerns among adolescents from different geographic locations in Brazil, and the influence of sex and nutritional status. Seven hundred eighty-eight adolescents completed the Body Shape Questionnaire (BSQ) and had their weight and height measured. There were significant cross-regional differences in BSQ scores. Also, body image concerns were more prevalent among girls and among overweight adolescents. It is suggested that sex and nutritional status may play an important role in body image concerns, which is more common between adolescents from urban areas. Furthermore, our findings contribute to the literature by examining patterns of body image concerns within subgroups of adolescents who have received little research attention on these issues.
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Abstract
Pacientes obesos mórbidos têm recorrido à cirurgia bariátrica como um recurso eficaz para perder peso. Entretanto, este procedimento pode causar alterações comportamentais significativas. O objetivo deste trabalho foi investigar os níveis de ansiedade e depressão, assim como as mudanças sofridas na percepção da imagem corporal em pacientes obesos submetidos à cirurgia bariátrica em três momentos: pré-operatório, 6 meses e 12 meses após a cirurgia. Trata-se de um estudo do tipo prospectivo longitudinal, de abordagem quantitativa. No estudo foram aplicados os Inventários de Depressão e Ansiedade de Beck e a Escala Brasileira de Figuras de Silhuetas para Adultos. A cirurgia diminuiu significativamente tanto o índice de massa corporal dos pacientes quanto a insatisfação com a sua imagem corporal. Essa perda de peso e diminuição da insatisfação com a imagem corporal foi acompanhada de redução nos níveis de ansiedade e depressão, o que sugere que estes são fatores importantes no quadro obesidade.
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Laus MF, Vales LDMF, Costa TMB, Almeida SS. Early postnatal protein-calorie malnutrition and cognition: a review of human and animal studies. Int J Environ Res Public Health 2011; 8:590-612. [PMID: 21556206 PMCID: PMC3084481 DOI: 10.3390/ijerph8020590] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/01/2011] [Revised: 01/26/2011] [Accepted: 02/10/2011] [Indexed: 11/17/2022]
Abstract
Malnutrition continues to be recognized as the most common and serious form of children's dietary disease in the developing countries and is one of the principal factors affecting brain development. The purpose of this paper is to review human and animal studies relating malnutrition to cognitive development, focusing in correlational and interventional data, and to provide a discussion of possible mechanisms by which malnutrition affects cognition.
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Affiliation(s)
- Maria Fernanda Laus
- Laboratory of Nutrition and Behavior, Department of Psychology and Education, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, 14040-901, Ribeirão Preto, SP, Brazil; E-Mails: (M.F.L.); (L.D.M.F.V.)
| | - Lucas Duarte Manhas Ferreira Vales
- Laboratory of Nutrition and Behavior, Department of Psychology and Education, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, 14040-901, Ribeirão Preto, SP, Brazil; E-Mails: (M.F.L.); (L.D.M.F.V.)
| | - Telma Maria Braga Costa
- Nutrition Course, University of Ribeirão Preto, Av. Costábile Romano, 2.201, Bloco U, 14096-900, Ribeirão Preto, SP, Brazil; E-Mail:
| | - Sebastião Sousa Almeida
- Laboratory of Nutrition and Behavior, Department of Psychology and Education, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, 14040-901, Ribeirão Preto, SP, Brazil; E-Mails: (M.F.L.); (L.D.M.F.V.)
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Sampaio VDF, Padovan GJ, Marchini JS, Oliveira LMD, Almeida SS. Rat brain polyamines: an analytical method validation. J Bras Patol Med Lab 2010. [DOI: 10.1590/s1676-24442010000600005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Almeida SS, Barros CC, Moraes MR, Russo FJ, Haro AS, Rosa TS, Alves MF, Pesquero JB, Carmona AK, Bacurau RFP, Araújo RC. Plasma Kallikrein and Angiotensin I-converting enzyme N- and C-terminal domain activities are modulated by the insertion/deletion polymorphism. Neuropeptides 2010; 44:139-43. [PMID: 20064660 DOI: 10.1016/j.npep.2009.12.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [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: 08/01/2009] [Revised: 12/01/2009] [Accepted: 12/04/2009] [Indexed: 10/20/2022]
Abstract
Angiotensin I-converting enzyme (ACE) is recognized as one of the main effector molecules involved in blood pressure regulation. In the last few years some polymorphisms of ACE such as the insertion/deletion (I/D) polymorphism have been described, but their physiologic relevance is poorly understood. In addition, few studies investigated if the specific activity of ACE domain is related to the I/D polymorphism and if it can affect other systems. The aim of this study was to establish a biochemical and functional characterization of the I/D polymorphism and correlate this with the corresponding ACE activity. For this purpose, 119 male brazilian army recruits were genotyped and their ACE plasma activities evaluated from the C- and N-terminal catalytic domains using fluorescence resonance energy transfer (FRET) peptides, specific for the C-domain (Abz-LFK(Dnp)OH), N-domain (Abz-SDK(Dnp)P-OH) and both C- and N-domains (Abz-FRK(Dnp)P-OH). Plasma kallikrein activity was measured using Z-Phe-Arg-AMC as substrate and inhibited by selective plasma kallikrein inhibitor (PKSI). Some physiological parameters previously described related to the I/D polymorphism such as handgrip strength, blood pressure, heart rate and BMI were also evaluated. The genotype distribution was II n=27, ID n=64 and DD n=28. Total plasma ACE activity of both domains in II individuals was significantly lower in comparison to ID and DD. This pattern was also observed for C- and N-domain activities. Difference between ID and DD subjects was observed only with the N-domain specific substrate. Blood pressure, heart rate, handgrip strength and BMI were similar among the genotypes. This polymorphism also affected the plasma kallikrein activity and DD group presents high activity level. Thus, our data demonstrate that the I/D ACE polymorphism affects differently both ACE domains without effects on handgrip strength. Moreover, this polymorphism influences the kallikrein-kinin system of normotensive individuals.
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Affiliation(s)
- S S Almeida
- Department of Biophysics, Federal University of São Paulo, Brazil
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Kakeshita IS, Silva AIP, Zanatta DP, Almeida SS. Construção e fidedignidade teste-reteste de escalas de silhuetas brasileiras para adultos e crianças. Psic : Teor e Pesq 2009. [DOI: 10.1590/s0102-37722009000200015] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
O objetivo deste trabalho foi desenvolver escalas de silhuetas para crianças e adultos brasileiros de ambos os sexos e iniciar a avaliação de suas qualidades psicométricas. Foram fotografados adultos e crianças com Índice de Massa Corporal (IMC) previamente conhecidos, desenhadas as silhuetas e construídas as escalas por computação gráfica. Para avaliação da fidedignidade, procedeu-se ao teste-reteste com intervalo de um mês. As escalas foram aplicadas e reaplicadas a 90 adultos (18 a 60 anos) e 69 crianças (7 a 12 anos). As escalas apresentaram coeficientes de correlação entre teste e reteste positivos e significativos para o IMC real e IMC percebido como atual por adultos (r=0,84; p<0,01) e crianças (r=0,61, p<0,01). Concluiu-se que as escalas desenvolvidas constituem instrumentos apropriados à aplicação clínica e epidemiológica para avaliar a percepção da imagem corporal de crianças e adultos brasileiros.
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Sampaio VDF, de Oliveira LM, Almeida SS, Marchini JS, Antunes-Rodrigues J, Elias LLK. The effects of early protein malnutrition and environmental stimulation on behavioral and biochemical parameters in rats. ACTA ACUST UNITED AC 2008. [DOI: 10.3922/j.psns.2008.2.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Fukuda MTH, Françolin-Silva AL, Hernandes AS, Valadares CT, Almeida SS. Effects of early protein malnutrition and scopolamine on learning and memory in the Morris water maze. Nutr Neurosci 2008; 10:251-9. [PMID: 18284033 DOI: 10.1080/10284150701723818] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The present study investigated the effects of early protein malnutrition on the spatial learning and memory processes. The consequences of malnutrition for the cholinergic system were evaluated by comparing the performance of malnourished and control animals in the Morris water maze after treatment with scopolamine. The learning test consisted of placing the animal in the maze to escape to a submerged platform with 12 trials per day for two consecutive days. After 24 trials, the platform was removed, the rats were placed in the maze and the time spent by them in each quadrant was recorded. After 28 days the animals were tested in a single trial to verify the retention of the spatial information. In the first Experiment, scopolamine (0.0, 0.2, 0.4 and 0.6 mg/kg per ml. i.p.) was administered 20 min before the experimental sessions. In the second experiment, a dose of 0.6 mg/kg was administered after the sessions, during the period in which learning consolidation occurs. In the first experiment, there was a significant effect of the drug, with scopolamine impairing, learning in both nutritional conditions. In the saline condition, control animals presented a better performance when compared with malnourished animals. However, 28 days later, both groups increased their latencies. With 0.2 and 0.4 mg/kg of scopolamine, the performance of both nutritional groups was similar and with 0.6 mg/kg malnourished animals performed better than controls. In the second experiment, malnourished animals were also less reactive to the effects of scopolamine, resulting in lower impairments as compared to control animals. These data suggest long-term changes in learning and memory as the result of changes produced by protein malnutrition in the cholinergic neurotransmitter system.
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Affiliation(s)
- M T H Fukuda
- Laboratory of Nutrition and Behavior, FFCLRP, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP 14040-901, Brazil
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