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Objectives: Animal hoarding is a special manifestation of hoarding disorder, characterized by the accumulation of animals and failure to provide them with minimal care. The main objective of this systematic review is to evaluate the characteristics of animal hoarding, focusing on the profile of affected individuals and the features of accumulation behavior. Methods: A systematic search of the literature was conducted in the electronic databases MEDLINE, Scopus, and LILACS until October 2022. We included case series (n ≥ 10) and cross-sectional studies assessing animal hoarding. Results: A total of 374 studies were initially retrieved. Most studies were classified as having poor quality and significant risk of bias. A total of 538 individuals with animal hoarding were evaluated. These individuals were predominantly middle-aged, unmarried women who lived alone in urban areas. Most of their residences had unsanitary conditions. Recidivism rates varied from 13-41%. Cats and dogs were the main hoarded species, mostly acquired through unplanned breeding, and disease, injury, behavioral problems, and a lack of hygiene were characreristic of their condition. Animal carcasses were found in up to 60% of the properties. Conclusion: Animal hoarding is a complex condition that requires urgent attention. More research is necessary to develop effective strategies that can save community resources, improve animal and human welfare, and prevent recidivism.

https://doi.org/10.47626/1516-4446-2022-3003

Neurocircuit models of obsessive-compulsive disorder: limitations and future directions for research
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Shephard, Elizabeth

; Batistuzzo, Marcelo C.

; Hoexter, Marcelo Q.

; Stern, Emily R.

; Zuccolo, Pedro F.

; Ogawa, Carolina Y.

; Silva, Renata M.

; Brunoni, Andre R.

; Costa, Daniel L.

; Doretto, Victoria

; Saraiva, Leonardo

; Cappi, Carolina

; Shavitt, Roseli G.

; Simpson, H. Blair

; van den Heuvel, Odile A.

; Miguel, Euripedes C.

Brazilian Journal of Psychiatry

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apr 2022, Volume 44 N. 2 Pages 187 - 200

Abstract: En | Text: En | PDF: En

Obsessive-compulsive disorder (OCD) is a common psychiatric condition classically characterized by obsessions (recurrent, intrusive and unwanted thoughts) and compulsions (excessive, repetitive and ritualistic behaviors or mental acts). OCD is heterogeneous in its clinical presentation and not all patients respond to first-line treatments. Several neurocircuit models of OCD have been proposed with the aim of providing a better understanding of the neural and cognitive mechanisms involved in the disorder. These models use advances in neuroscience and findings from neuropsychological and neuroimaging studies to suggest links between clinical profiles that reflect the symptoms and experiences of patients and dysfunctions in specific neurocircuits. Several models propose that treatments for OCD could be improved if directed to specific neurocircuit dysfunctions, thereby restoring efficient neurocognitive function and ameliorating the symptomatology of each associated clinical profile. Yet, there are several important limitations to neurocircuit models of OCD. The purpose of the current review is to highlight some of these limitations, including issues related to the complexity of brain and cognitive function, the clinical presentation and course of OCD, etiological factors, and treatment methods proposed by the models. We also provide suggestions for future research to advance neurocircuit models of OCD and facilitate translation to clinical application.

https://doi.org/10.1590/1516-4446-2020-1709

Association of BDNF, HTR2A, TPH1, SLC6A4, and COMT polymorphisms with tDCS and escitalopram efficacy: ancillary analysis of a double-blind, placebo-controlled trial
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Brunoni, Andre R.

; Carracedo, Angel

; Amigo, Olalla M.

; Pellicer, Ana L.

; Talib, Leda

; Carvalho, Andre F.

; Lotufo, Paulo A.

; Benseñor, Isabela M.

; Gattaz, Wagner

; Cappi, Carolina

Brazilian Journal of Psychiatry

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apr 2020, Volume 42 N. 2 Pages 128 - 135

Abstract: En | Text: En | PDF: En

Objective: We investigated whether single nucleotide polymorphisms (SNPs) associated with neuroplasticity and activity of monoamine neurotransmitters, such as the brain-derived neurotrophic factor (BDNF, rs6265), the serotonin transporter (SLC6A4, rs25531), the tryptophan hydroxylase 1 (TPH1, rs1800532), the 5-hydroxytryptamine receptor 2A (HTR2A, rs6311, rs6313, rs7997012), and the catechol-O-methyltransferase (COMT, rs4680) genes, are associated with efficacy of transcranial direct current stimulation (tDCS) in major depression. Methods: Data from the Escitalopram vs. Electrical Current Therapy for Treating Depression Clinical Study (ELECT-TDCS) were used. Participants were antidepressant-free at baseline and presented with an acute, moderate-to-severe unipolar depressive episode. They were randomized to receive escitalopram/tDCS-sham (n=75), tDCS/placebo-pill (n=75), or placebo-pill/sham-tDCS (n=45). General linear models assessed the interaction between treatment group and allele-wise carriers. Additional analyses were performed for each group and each genotype separately. Results: Pairwise group comparisons (tDCS vs. placebo, tDCS vs. escitalopram, and escitalopram vs. placebo) did not identify alleles associated with depression improvement. In addition, exploratory analyses also did not identify any SNP unequivocally associated with improvement of depression in any treatment group. Conclusion: Larger, combined datasets are necessary to identify candidate genes for tDCS response.

https://doi.org/10.1590/1516-4446-2019-0620 1172 downloads

Brain derived neurotrophic factor mediated learning, fear acquisition and extinction as targets for developing novel treatments for anxiety
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Oliveira, Karina Soares de

; Hounie, Ana Gabriela

; Cappi, Carolina

; Diniz, Juliana Belo

Jornal Brasileiro de Psiquiatria

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sep 2016, Volume 65 N. 3 Pages 251 - 261

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Os transtornos da ansiedade e o transtorno obsessivo-compulsivo (TOC) e transtornos relacionados são altamente prevalentes e incapacitantes. Apesar disso, ainda existem lacunas a serem exploradas em relação ao tratamento desses transtornos. O medo é um sintoma central desses transtornos e sua aprendizagem é altamente dependente da atividade do fator neurotrófico derivado do cérebro (BDNF). Porém, será que a aprendizagem de medo mediada pelo BDNF deve ser considerada um alvo para o desenvolvimento de novos tratamentos para transtornos da ansiedade, TOC e transtornos relacionados? Revisamos as evidências que sugerem que a expressão de BDNF é necessária para a aquisição do medo condicionado, bem como para a evocação de sua extinção. Descrevemos os resultados relacionados a aprendizagem de medo, manipulação genética e epigenética da expressão de Bdnf em animais e variantes alélicas de BDNF em seres humanos. Posteriormente, discutimos como a manipulação dos níveis de BDNF representa um alvo em potencial para o tratamento, o que pode aumentar os benefícios das terapias que extinguem o medo previamente condicionado.

ABSTRACT Anxiety and obsessive-compulsive related disorders are highly prevalent and disabling disorders for which there are still treatment gaps to be explored. Fear is a core symptom of these disorders and its learning is highly dependent on the activity of the neurotrophin brain-derived neurotrophic factor (BDNF). Should BDNF-mediated fear learning be considered a target for the development of novel treatments for anxiety and obsessive-compulsive related disorders? We review the evidence that suggests that BDNF expression is necessary for the acquisition of conditioned fear, as well as for the recall of its extinction. We describe the findings related to fear learning and genetic/epigenetic manipulation of Bdnf expression in animals and BDNF allelic variants in humans. Later, we discuss how manipulation of BDNF levels represents a promising potential treatment target that may increase the benefits of therapies that extinguish previously conditioned fear.

https://doi.org/10.1590/0047-2085000000132 2446 downloads

Association study between functional polymorphisms in the TNF-alpha gene and obsessive-compulsive disorder
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Cappi, Carolina

; Muniz, Renan Kawano

; Sampaio, Aline Santos

; Cordeiro, Quirino

; Brentani, Helena

; Palácios, Selma A.

; Marques, Andrea H.

; Vallada, Homero

; Miguel, Eurípedes Constantino

; Guilherme, Luiza

; Hounie, Ana Gabriela

Arquivos de Neuro-Psiquiatria

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feb 2012, Volume 70 N. 2 Pages 87 - 90

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O transtorno obsessivo-compulsivo (TOC) é um quadro psiquiátrico de prevalência considerável na população e de etiologia desconhecida. No entanto, há evidências de que o sistema imunológico pode desempenhar um papel importante em sua patogênese. No presente estudo, dois polimorfismos (rs1800795 e rs361525), localizados na região promotora do gene que codifica a citocina conhecida como fator de necrose tumoral alfa (TNFA), foram genotipados em 183 pacientes com TOC e 249 controles saudáveis. Os testes estatísticos foram realizados utilizando-se o software PLINK®. Assim, evidenciou-se que o alelo A do polimorfismo rs361525 apresentava associação estatisticamente significante com o TOC (p=0,007). A presença de marcadores genéticos, tais como genes que codificam citocinas inflamatórias, associados com TOC, confere suporte adicional ao papel do sistema imunológico na patogênese desse transtorno.

Obsessive-compulsive disorder (OCD) is a prevalent psychiatric disorder of unknown etiology. However, there is some evidence that the immune system may play an important role in its pathogenesis. In the present study, two polymorphisms (rs1800795 and rs361525) in the promoter region of the cytokine tumor necrosis factor-alpha (TNFA) gene were genotyped in 183 OCD patients and in 249 healthy controls. The statistical tests were performed using the PLINK® software. We found that the A allele of the TNFA rs361525 polymorphism was significantly associated with OCD subjects, according to the allelic χ² association test (p=0.007). The presence of genetic markers, such as inflammatory cytokines genes linked to OCD, may represent additional evidence supporting the role of the immune system in its pathogenesis.

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O papel do polimorfismo funcional VNTR da região promotora do gene MAOA nos transtornos psiquiátricos
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Nishioka, Sílvia A.

; Perin, Eduardo Aliende

; Sampaio, Aline Santos

; Cordeiro, Quirino

; Cappi, Carolina

; Mastrorosa, Rosana Savio

; Morais, Ivanil A.

; Reis, Viviane Neri de Souza

; Rosário, Maria Conceição do

; Hounie, Ana Gabriela

Archives of Clinical Psychiatry (São Paulo)

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2011, Volume 38 N. 1 Pages 34 - 42

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

INTRODUÇÃO: Muitos estudos têm investigado a associação do polimorfismo VNTR (número variável de repetições em série) localizado na região promotora do gene da enzima monoamina oxidase A (MAOA) com alterações no comportamento humano e em diversos transtornos psiquiátricos. OBJETIVO: O objetivo do presente trabalho foi revisar a literatura sobre a participação desse polimorfismo funcional na modulação do comportamento humano para o desenvolvimento dos transtornos psiquiátricos. MÉTODO: A pesquisa foi realizada na literatura em inglês, de janeiro de 1998 a junho de 2009, disponível no Medline, Embase, Web of Science e na base de dados PsycInfo, utilizando os seguintes termos: "MAOA e comportamento humano" e "MAOA e psiquiatria". RESULTADOS: Foram encontrados 3.873 estudos. Desses, 109 foram selecionados e incluídos na revisão. Encontrou-se associação de alelos de baixa atividade do VNTR com transtorno de personalidade antissocial, transtorno de conduta, transtorno de déficit de atenção e hiperatividade, jogo patológico e dependência de substâncias. Alelos da alta atividade da MAOA foram associados a depressão, ansiedade, neuroticismo e anorexia nervosa. Não se encontrou associação entre polimorfismos da MAOA e esquizofrenia e transtorno bipolar. CONCLUSÃO: Os principais achados dão suporte ao papel do polimorfismo VNTR da região promotora do gene da MAOA em alguns transtornos psiquiátricos, apesar das divergências encontradas devidas às dificuldades metodológicas de estudos em genética. De modo geral, os estudos associam os alelos de baixa atividade da MAOA com comportamentos impulsivos e agressivos ("comportamentos hiperativos"), enquanto os alelos de alta atividade do gene são mais associados a "comportamentos hipoativos".

INTRODUCTION: A functional variable number of tandem repeats (VNTR) polymorphism of the promoter region of the monoamine oxidase A (MAOA) gene has been described and many studies have investigated the association of this polymorphism with human behaviors, as well as with several psychiatric disorders. OBJECTIVE: This study aimed to review the literature on the role of the VNTR functional polymorphism of the promoter region of the MAOA gene on the modulation of human behavior for the development of psychiatric disorders. METHOD: Searches on the Medline, Embase, Web of Science and PsycInfo databases were performed including works from January 1998 to June 2009. The words used were: "MAOA and human behavior" and "MAOA and psychiatry". RESULTS: Several studies were found (N = 3,873). After the selection process, 109 papers were included in the review. There was found an association of MAOA low activity alleles with antisocial personality disorder, conduct disorder, ADHD, pathological gambling, and substance abuse. High activity alleles were associated with neuroticism, anorexia nervosa and depression and anxiety disorders. There was no association between the MAOA polymorphisms and bipolar disorder and schizophrenia. DISCUSSION: The main findings, summarized in this paper, support a role of MAOA VNTR polymorphism in some psychiatric disorders although some divergences were found due to methodological difficulties in genetic studies. In general, the studies associated the low activity alleles with impulsivity and aggressive behavior ("hyperactive behaviors"), and the high activity alleles of the gene with "hypoactive behaviors", such as depression and anxiety, which demonstrates a modulation of the MAOA enzyme in "hyperactive" and "hypoactive" disorders.

12260 downloads

Impact of educational lectures on female adolescents’ knowledge about sexually transmitted diseases and cervical cancer in the city of Jundiaí, SP
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Borges, João Bosco Ramos

; Belintani, Marcus Vinícus Gonçalves

; Miranda, Patrícia Frodl

; Camargo, Ana Carolina Marchesini de

; Guarisi, Renata

; Maia, Edna Marina Cappi

; Gollop, Thomaz Rafael

einstein (São Paulo)

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sep 2010, Volume 8 N. 3 Pages 285 - 290

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Objetivo: Avaliar o conhecimento das adolescentes moradoras nas regiões abrangentes da Vila Ana e da Morada das Vinhas, na cidade de Jundiaí (SP), sobre a prevenção e diagnóstico das principais doenças sexualmente transmissíveis (DSTs) e do câncer de colo do útero, além de avaliar o impacto imediato de palestras educativas. Métodos: Foi realizado estudo prospectivo de corte transversal para avaliar o conhecimento de um determinado grupo de adolescentes sobre DSTs e câncer do colo uterino, por meio de um questionário aplicado antes e logo após a realização de palestra educativa. Resultados: Após a exposição da palestra, houve aumento de respostas corretas sobre educação sexual, conhecimento do HPV (em 44%) e sobre a prevenção do câncer de colo de útero (em 22%). Conclusão: As adolescentes que participaram do estudo têm pouco conhecimento em relação às DSTs e câncer do colo uterino, mas as palestras educativas são capazes de reverter essa realidade com baixo custo à Saúde Pública.

ABSTRACT Objective: To evaluate the knowledge of adolescents living in Vila Ana and Morada das Vinhas region, in the city of Jundiaí, State of São Paulo, Brazil, on prevention and diagnosis of the main sexually transmitted diseases (STDs) and on cervical cancer, as well as the immediate impact of educational lectures. Methods: A prospective cross-sectional study was performed to assess the knowledge of a particular group of female adolescents about STDs and cervical cancer, by means of a questionnaire applied before and after educational lectures. Results: After the lecture, there was an increased number of correct answers about sexual education, knowledge about HPV (44%), and prevention of cervical cancer (22%). Conclusion: The adolescents in our study had little knowledge about STDs and cervical cancer, but educative lectures could change this reality at a low cost to Public Health services.

https://doi.org/10.1590/s1679-45082010ao1544 5440 downloads

The drug-naïve OCD patients imaging genetics, cognitive and treatment response study: methods and sample description
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Hoexter, Marcelo Queiroz

; Shavitt, Roseli Gedanke

; D'Alcante, Carina Chaubet

; Cecconi, Janaina Philippi

; Diniz, Juliana Belo

; Belotto-Silva, Cristina

; Hounie, Ana Gabriela

; Borcato, Sonia

; Moraes, Ivanil

; Joaquim, Marines Alves

; Cappi, Carolina

; Sampaio, Aline Santos

; Mathis, Maria Alice de

; Batistuzzo, Marcelo Camargo

; Lopes, Antonio Carlos

; Rosa, Ana Carolina Ferreira

; Muniz, Renan Kawano

; Marques, Andrea Horvath

; Santos, Luciana Cristina

; Taub, Anita

; Duran, Fábio Luís de Souza

; Dougherty, Darin Dean

; Busatto, Geraldo Filho

; Bressan, Rodrigo Affonseca

; Miguel, Euripedes Constantino

Brazilian Journal of Psychiatry

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dec 2009, Volume 31 N. 4 Pages 349 - 353

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

OBJETIVO: Descrever um protocolo integrativo de investigação neurobiológica para melhor compreender as bases patofisiológicas do transtorno obsessivo-compulsivo e apresentar as características clínicas e demográficas da amostra. MÉTODO: Protocolo padronizado que combina diferentes modalidades de investigação (genética, neuropsicologia, ressonância magnética cerebral e imagem molecular do transportador de dopamina) obtidas antes e depois do tratamento em pacientes com transtorno obsessivo-compulsivo nunca expostos à medicação submetidos a um ensaio clínico comparando um inibidor seletivo da recaptação de serotonina (fluoxetina) e terapia cognitivo-comportamental em grupo. RESULTADOS: Cinquenta e dois pacientes com transtorno obsessivo-compulsivo entraram no ensaio clínico (27 no grupo fluoxetina e 25 no grupo de terapia). No início, foram realizadas 47 coletas de sangue para genética, 50 avaliações neuropsicológicas, 50 ressonâncias magnéticas cerebrais e 48 exames de tomografia computadorizada por emissão de fóton único (SPECT) com TRODAT-1. Depois de 12 semanas, 38 pacientes terminaram o protocolo (20 no grupo de fluoxetina e 18 no grupo de terapia). Trinta e oito reavaliações neuropsicológicas, 31 ressonâncias magnéticas de crânio e 34 exames de SPECT foram obtidos após o tratamento. Quarenta e um controles pareados foram submetidos ao mesmo protocolo inicial. CONCLUSÃO: Os dados genéticos, neuropsicológicos, volumétricos e moleculares do transportador de dopamina aliados à resposta a tratamento podem tanto gerar informações importantes a respeito da neurobiologia do transtorno obsessivo-compulsivo quanto ter uma aplicação clínica.

OBJECTIVE: To describe a protocol that was based on an integrative neurobiological model of scientific investigation to better understand the pathophysiology of obsessive-compulsive disorder and to present the clinical and demographic characteristics of the sample. METHOD: A standardized research protocol that combines different methods of investigation (genetics, neuropsychology, morphometric magnetic resonance imaging and molecular neuroimaging of the dopamine transporter) obtained before and after treatment of drug-naïve adult obsessive-compulsive disorder patients submitted to a sequentially allocated 12-week clinical trial with a selective serotonin reuptake inhibitor (fluoxetine) and group cognitive-behavioral therapy. RESULTS: Fifty-two treatment-naïve obsessive-compulsive disorder patients entered the clinical trial (27 received fluoxetine and 25 received group cognitive-behavioral therapy). At baseline, 47 blood samples for genetic studies, 50 neuropsychological evaluations, 50 morphometrical magnetic resonance images and 48 TRODAT-1 single-photon emission computed tomography (SPECT) exams were obtained. After 12 weeks, 38 patients completed the protocol (fluoxetine = 20 and GCBT = 18). Thirty-eight neuropsychological evaluations, 31 morphometrical magnetic resonance images and 34 TRODAT-1 SPECT exams were obtained post-treatment. Forty-one healthy controls matched for age, gender, socioeconomic status, level of education and laterality were submitted to the same research procedures at baseline. CONCLUSION: The comprehensive treatment response protocol applied in this project allowing integration on genetic, neuropsychological, morphometrical and molecular imaging of the dopamine transporter data in drug-naïve patients has the potential to generate important original information on the neurobiology of obsessive-compulsive disorder, and at the same time be clinically meaningful.

7269 downloads

Association study between the -62A/T NFKBIL1 polymorphism and obsessive-compulsive disorder
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Cordeiro, Quirino

; Cappi, Carolina

; Sampaio, Aline Santos

; Palácios, Selma Aliotti

; Pereira, Carlos Alberto de Bragança

; Shavitt, Roseli Gedanke

; Miguel, Eurípedes Constantino

; Guilherme, Luiza

; Hounie, Ana Gabriela

Brazilian Journal of Psychiatry

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jun 2009, Volume 31 N. 2 Pages 131 - 135

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

OBJETIVO: Evidências advindas de estudos de família e de genética molecular têm dado suporte à hipótese do envolvimento de mecanismos imunológicos na fisiopatologia do transtorno obsessivo-compulsivo. Tem sido sugerido que o potencializador do fator nuclear do polipeptídeo kappa light em células-B inibidoras-like 1 (NFKBIL1) é um modulador do sistema imunológico. Dada a importância do NFKBIL1 na resposta imunológica, o presente estudo investigou o polimorfismo -62A/T (rs2071592), localizado na região promotora de seu gene, como fator de risco genético para o desenvolvimento do transtorno obsessivo-compulsivo. MÉTODO: O polimorfismo -62A/T do gene do NFKBIL1 foi investigado em uma amostra de 111 pacientes com o diagnóstico de transtorno obsessivo-compulsivo, de acordo com os critérios do DSM-IV, e 272 controles saudáveis emparelhados por idade e gênero. RESULTADOS: Não houve diferenças na distribuição genotípica entre pacientes e controles (χ2 = 0,98; 2 d.f.; p = 0,61). DISCUSSÃO: Apesar dos resultados negativos, estudos compreendendo mais polimorfismos no gene do NFKBIL, em amostras maiores, são necessários. Populações com diferentes origens étnicas também precisam ser avaliadas. CONCLUSÃO: Os resultados da presente investigação não evidenciam associação entre o polimorfismo -62A/T do gene do NFKBIL1 e o transtorno obsessivo-compulsivo nesta amostra brasileira.

OBJECTIVE: Evidence from family and molecular genetic studies support the hypothesis of involvement of immunologic mechanisms in the pathophysiology of obsessive-compulsive disorder. The nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor-like 1 (NFKBIL1) has been suggested as a modulator of the immunological system. Given the importance of NFKBIL1 in the immunological response, the present study investigated the -62A/T polymorphism (rs2071592), located in the promoter region of its gene (NFKBIL1), as a genetic risk factor for the development of obsessive-compulsive disorder. METHOD: The -62A/T NFKBIL1 polymorphism was investigated in a sample of 111 patients who met DSM-IV criteria for obsessive-compulsive disorder and 272 healthy age- and gender-matched controls. RESULTS: There were no differences in genotypic distributions between patients and controls (χ2 = 0.98; 2 d.f.; p = 0.61). DISCUSSION: Despite these negative findings, more comprehensive polymorphism coverage within the NFKBIL1 is warranted in larger samples. Populations with different ethnic backgrounds should also be studied. CONCLUSION: The results of the present investigation do not provide evidence for the association between the -62A/T NFKBIL1 polymorphism and obsessive-compulsive disorder in this Brazilian sample.

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