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Neurodegenerescência associada a PLA2G6
ORPHA:329303DOENÇA RARA

Qualquer doença degenerativa do cérebro com acúmulo de ferro no cérebro, causada por uma mutação no gene PLA2G6.

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Introdução

O que você precisa saber de cara

📋

Qualquer doença degenerativa do cérebro com acúmulo de ferro no cérebro, causada por uma mutação no gene PLA2G6.

Pesquisas ativas
1 ensaio
6 total registrados no ClinicalTrials.gov
Publicações científicas
99 artigos
Último publicado: 1993
🏥
SUS: Sem cobertura SUSScore: 0%
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Sinais e sintomas

O que aparece no corpo e com que frequência cada sintoma acontece

Partes do corpo afetadas

🧠
Neurológico
42 sintomas
👁️
Olhos
11 sintomas
💪
Músculos
6 sintomas
😀
Face
6 sintomas
👂
Ouvidos
3 sintomas
🫃
Digestivo
2 sintomas

+ 53 sintomas em outras categorias

Características mais comuns

Incoordenação motora
Sacadas hipométricas
Delírio
Paranoia
Mioclonias
Concentração anormal de creatina quinase circulante
127sintomas
Sem dados (127)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 127 características clínicas mais associadas, ordenadas por frequência.

Incoordenação motoraClumsiness
Sacadas hipométricasHypometric saccades
DelírioDelusion
Paranoia
MiocloniasMyoclonus

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1desde 2026
Total histórico99PubMed
Últimos 10 anos82publicações
Pico202514 papers
Linha do tempo
2026Hoje · 2026🧪 2012Primeiro ensaio clínico📈 2025Ano de pico
Publicações por ano (últimos 10 anos)

Encontrou um erro ou informação desatualizada? Sugira uma correção →

Genética e causas

O que está alterado no DNA e como passa nas famílias

Genes associados

1 gene identificado com associação a esta condição.

PLA2G685/88 kDa calcium-independent phospholipase A2Disease-causing germline mutation(s) inTolerante
FUNÇÃO

Calcium-independent phospholipase involved in phospholipid remodeling with implications in cellular membrane homeostasis, mitochondrial integrity and signal transduction. Hydrolyzes the ester bond of the fatty acyl group attached at sn-1 or sn-2 position of phospholipids (phospholipase A1 and A2 activity respectively), producing lysophospholipids that are used in deacylation-reacylation cycles (PubMed:10092647, PubMed:10336645, PubMed:20886109, PubMed:9417066). Hydrolyzes both saturated and unsa

LOCALIZAÇÃO

CytoplasmCell membraneMitochondrionCell projection, pseudopodium

VIAS BIOLÓGICAS (4)
Acyl chain remodelling of PCAcyl chain remodelling of PERole of phospholipids in phagocytosisCOPI-independent Golgi-to-ER retrograde traffic
MECANISMO DE DOENÇA

Neurodegeneration with brain iron accumulation 2B

A neurodegenerative disorder associated with iron accumulation in the brain, primarily in the basal ganglia. It is characterized by progressive extrapyramidal dysfunction leading to rigidity, dystonia, dysarthria and sensorimotor impairment.

EXPRESSÃO TECIDUAL(Ubíquo)
Tireoide
100.1 TPM
Testículo
71.7 TPM
Fallopian Tube
51.2 TPM
Cervix Endocervix
48.7 TPM
Ovário
43.2 TPM
OUTRAS DOENÇAS (3)
autosomal recessive Parkinson disease 14neurodegeneration with brain iron accumulation 2Aneurodegeneration with brain iron accumulation 2B
HGNC:9039UniProt:O60733

Variantes genéticas (ClinVar)

387 variantes patogênicas registradas no ClinVar.

🧬 PLA2G6: NM_003560.4(PLA2G6):c.1864C>T (p.Pro622Ser) ()
🧬 PLA2G6: NC_000022.10:g.(38525570_38528837)_(38539296_38541444)dup ()
🧬 PLA2G6: NM_003560.4(PLA2G6):c.1879G>A (p.Asp627Asn) ()
🧬 PLA2G6: NM_003560.4(PLA2G6):c.2035-274G>A ()
🧬 PLA2G6: NM_003560.4(PLA2G6):c.2374C>T (p.His792Tyr) ()
Ver todas no ClinVar

Classificação de variantes (ClinVar)

Distribuição de 166 variantes classificadas pelo ClinVar.

83
83
Patogênica (50.0%)
VUS (50.0%)
VARIANTES MAIS SIGNIFICATIVAS
PLA2G6: NM_003560.4(PLA2G6):c.1591+5G>A [Likely pathogenic]
PLA2G6: NM_003560.4(PLA2G6):c.1937C>A (p.Pro646His) [Likely pathogenic]
BAIAP2L2: Single allele [Pathogenic]
PLA2G6: Single allele [Pathogenic]
PLA2G6: NM_003560.4(PLA2G6):c.1631T>C (p.Met544Thr) [Pathogenic]

Diagnóstico

Os sinais que médicos procuram e os exames que confirmam

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Tratamento e manejo

Remédios, cuidados de apoio e o que precisa acompanhar

Pipeline de tratamentos
Pipeline regulatório — de medicamentos já aprovados a drogas em pesquisa exploratória.
·Pré-clínico1
Medicamentos catalogadosEnsaios clínicos· 0 medicamentos · 1 ensaio
Carregando informações de tratamento...

Onde tratar no SUS

Hospitais de referência no Brasil e o protocolo oficial do SUS (PCDT)

🇧🇷 Atendimento SUS — Neurodegenerescência associada a PLA2G6

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Pesquisa ativa

Ensaios clínicos abertos e novidades científicas recentes

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1 pesquisa recrutando participantes. Converse com seu médico sobre a possibilidade de participar.

Outros ensaios clínicos

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Publicações mais relevantes

🥉Melhor nível de evidência: Relato de caso
Timeline de publicações
84 papers (10 anos)
#1

Prospective 5-year natural history study of infantile PLA2G6-associated neurodegeneration.

Developmental medicine and child neurology2026 Apr

To prospectively characterize the age of developmental milestone attainment and loss, disease milestone acquisition, and associations between a quality of life measure and age in 40 children with infantile PLA2G6-associated neurodegeneration (PLAN). We analysed developmental and disease milestones and health-related quality of life scores from the 97-item Infant Toddler Quality of Life Questionnaire (ITQOL-97) in a prospective, observational, longitudinal natural history study. Developmental and disease milestone attainments were visualized as histograms and Kaplan-Meier curves respectively. We used mixed-effects linear regression to assess the associations between ITQOL-97 domains and age and to compare marginal predictions to a US reference population. The study group was comprised of 19 males and 21 females with a mean age at enrollment of 5 years 1 month (SD 3 years; range 1 year 7 months-16 years 8 months). Over the course of the disease, children continued to vocalize, smile, and laugh, while other milestones like walking were rarely met at any time. ITQOL-97 domains differed significantly from a US reference population in all areas except for 'general behavior'. The 'physical abilities' domain had the greatest change with age (-6.24 per year). In this first prospective natural history study of infantile PLAN, we characterize developmental and disease milestones, and longitudinal associations, with quality of life metrics. These data will provide valuable disease norms for use as clinical references and in the design of interventional trials.

#2

Expanding the Phenotypic and Radiological Spectrum of PLA2G6-Associated Neurodegeneration.

Indian journal of pediatrics2026 Feb 19
#3

Adult-Onset PLA2G6-Associated Parkinsonism With Claval Hypertrophy: A Rare Radiological-Genetic Association.

Cureus2026 Jan

A man in his 20s presented with rapidly progressive spastic parkinsonism, right-hand focal dystonia, memory impairment, and behavioural changes over eight months, resulting in complete dependence. Examination showed spasticity, rigidity, bradykinesia, ankle clonus, postural instability, slowed saccades, and cognitive deficits (Mini-Mental State Examination 25/30, Montreal Cognitive Assessment 20/30). Brain magnetic resonance imaging revealed mild cerebellar atrophy, claval hypertrophy, and minimal lentiform susceptibility blooming. Whole-exome sequencing identified a heterozygous pathogenic PLA2G6 variant (c.2222G>A; p.Arg741Gln). No family history was present. Symptomatic treatment with levodopa/carbidopa, trihexyphenidyl, and baclofen yielded partial initial benefit but limited sustained response over six months of follow-up. This case expands the adult-onset PLA2G6-associated neurodegeneration phenotype by combining aggressive progression, early cognitive involvement, and rare infantile-like neuroimaging features with minimal iron deposition.

#4

PLA2G6 Associated Neurodegeneration (PLAN): similar variant, divergent phenotype.

Neurogenetics2026 Mar 23
#5

Claval Hypertrophy with Persistent Diffusion Restriction in PLA2G6-Associated Neurodegeneration.

Movement disorders clinical practice2026 Mar 09

Publicações recentes

Ver todas no PubMed

📚 EuropePMC52 artigos no totalmostrando 80

2026

PLA2G6 Associated Neurodegeneration (PLAN): similar variant, divergent phenotype.

Neurogenetics
2026

Claval Hypertrophy with Persistent Diffusion Restriction in PLA2G6-Associated Neurodegeneration.

Movement disorders clinical practice
2026

Adult-Onset PLA2G6-Associated Parkinsonism With Claval Hypertrophy: A Rare Radiological-Genetic Association.

Cureus
2026

Expanding the Phenotypic and Radiological Spectrum of PLA2G6-Associated Neurodegeneration.

Indian journal of pediatrics
2025

GABAergic neurons are a key cell type in a Drosophila model of PARK14/PLA2G6-associated neurodegeneration.

Frontiers in neuroscience
2025

Decanoic acid extends lifespan and modulates metabolism in models of PLA2G6-associated neurodegeneration.

Disease models & mechanisms
2025

Prospective 5-year natural history study of infantile PLA2G6-associated neurodegeneration.

Developmental medicine and child neurology
2026

Prospective 5-year natural history study of infantile PLA2G6-associated neurodegeneration.

Developmental medicine and child neurology
2025

Reviewer Comment on Mahale et al. "Adult-onset PLA2G6-Associated Neurodegeneration (PLAN): A clinical, imaging and genetic profile review".

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
2025

Atypical neuroaxonal dystrophy in childhood related to PLA2G6: a French cohort.

European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society
2025

Deficiency of PLA2G6 Induces Ferroptosis in Dopaminergic Neurons and Contributes to Parkinson's Disease Pathogenesis via Disruption of PRDX6/FTH1/GPX4 Axis.

Molecular neurobiology
2025

Infantile neuroaxonal dystrophy: Molecular mechanisms and pathogenesis of PLA2G6-associated neurodegeneration.

AIMS neuroscience
2025

Adult-Onset PLA2G6-Associated Neurodegeneration (PLAN): A Clinical, Imaging and Genetic Profile Review.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
2025

Neurodegeneration with Brain Iron Accumulation.

Advances in experimental medicine and biology
2025

Elevated serum autotaxin levels and multiple system atrophy-like presentation in a patient with PLA2G6-associated neurodegeneration.

Journal of human genetics
2025

Consensus Clinical Management Guideline for PLA2G6-Associated Neurodegeneration (PLAN).

Journal of child neurology
2025

PLA2G6-associated Neurodegeneration: A Rare Case Report of Dystonia-Parkinsonism Phenotype with a Novel Genotypic Variant.

The Journal of the Association of Physicians of India
2024

An estimation of global genetic prevalence of PLA2G6-associated neurodegeneration.

Orphanet journal of rare diseases
2025

Metabolic alterations in fibroblasts of patients presenting with the MPAN subtype of neurodegeneration with brain iron accumulation (NBIA).

Biochimica et biophysica acta. Molecular basis of disease
2025

Metabolic impairments in neurodegeneration with brain iron accumulation.

Biochimica et biophysica acta. Bioenergetics
2024

The Clinical, Radiological and Genetic Spectrum of PLA2G6-Associated Neurodegeneration: An Experience From a Tertiary Center.

Tremor and other hyperkinetic movements (New York, N.Y.)
2024

Genetic Targets and Applications of Iron Chelators for Neurodegeneration with Brain Iron Accumulation.

ACS bio & med chem Au
2024

Unveiling the role of iPLA2β in neurodegeneration: From molecular mechanisms to advanced therapies.

Pharmacological research
2023

Phenotype and genotype heterogeneity of PLA2G6-associated neurodegeneration in a cohort of pediatric and adult patients.

Orphanet journal of rare diseases
2023

A systematic analysis of genotype-phenotype associations with PLA2G6.

Parkinsonism & related disorders
2023

The role of the PLA2G6 gene in neurodegenerative diseases.

Ageing research reviews
2023

Susceptibility-Weighted Imaging Reveals Subcortical Iron Deposition in PLA2G6-associated Neurodegeneration: The "Double Cortex Sign".

Movement disorders : official journal of the Movement Disorder Society
2023

Neurodegeneration with brain iron accumulation: a case series highlighting phenotypic and genotypic diversity in 20 Indian families.

Neurogenetics
2023

PLA2G6-Associated Neurodegeneration: A Rare Case Report of Neurodegeneration with Brain Iron Accumulation in Children.

Pakistan journal of medical sciences
2023

Vicious cycle of lipid peroxidation and iron accumulation in neurodegeneration.

Neural regeneration research
2022

Novel PLA2G6 Pathogenic Variants in Chinese Patients With PLA2G6-Associated Neurodegeneration.

Frontiers in neurology
2022

Identification of a Novel Nonsense Mutation in PLA2G6 and Prenatal Diagnosis in a Chinese Family With Infantile Neuroaxonal Dystrophy.

Frontiers in neurology
2022

PLA2G6-associated neurodegeneration in four different populations-case series and literature review.

Parkinsonism & related disorders
2022

Audiological Findings in Children with PLA2G6-Associated Neurodegeneration.

Journal of the American Academy of Audiology
2022

Clinical Characterization and Founder Effect Analysis in Chinese Patients with Phospholipase A2-Associated Neurodegeneration.

Brain sciences
2022

Vitamin E prevents lipid peroxidation and iron accumulation in PLA2G6-Associated Neurodegeneration.

Neurobiology of disease
2022

Dissecting the Phenotype and Genotype of PLA2G6-Related Parkinsonism.

Movement disorders : official journal of the Movement Disorder Society
2021

iPLA2-VIA is required for healthy aging of neurons, muscle, and the female germline in Drosophila melanogaster.

PloS one
2021

Novel deep intronic mutation in PLA2G6 causing early-onset Parkinson's disease with brain iron accumulation through pseudo-exon activation.

Neurogenetics
2021

Consensus clinical management guideline for beta-propeller protein-associated neurodegeneration.

Developmental medicine and child neurology
2021

Neurodegeneration with brain iron accumulation: Characterization of clinical, radiological, and genetic features of pediatric patients from Southern India.

Brain & development
2021

Widening the MRI Findings of PLA2G6-Associated Neurodegeneration.

Neuropediatrics
2021

New Insights of Phospholipase A2 Associated Neurodegeneration Phenotype Based on the Long-Term Follow-Up of a Large Hungarian Family.

Frontiers in genetics
2021

Generation of three human iPSC lines from PLAN (PLA2G6-associated neurodegeneration) patients.

Stem cell research
2021

Emerging Disease-Modifying Therapies in Neurodegeneration With Brain Iron Accumulation (NBIA) Disorders.

Frontiers in neurology
2021

A Case of PLA2G6-Associated Neurodegeneration with Frequent Myoclonus And Generalized Onset Tonic-Clonic Seizures: Successful Treatment with Zonisamide.

Journal of clinical neurology (Seoul, Korea)
2020

The infantile neuroaxonal dystrophy rating scale (INAD-RS).

Orphanet journal of rare diseases
2020

The natural history of infantile neuroaxonal dystrophy.

Orphanet journal of rare diseases
2020

Genotype-phenotype correlations of adult-onset PLA2G6-associated Neurodegeneration: case series and literature review.

BMC neurology
2020

Recessive Ataxia Differential Diagnosis Algorithm (RADIAL) Versus Specific Niemann-Pick Type C Suspicion Indices: A Retrospective Algorithm Comparison.

Cerebellum (London, England)
2019

Atypical Childhood-onset Neuroaxonal Dystrophy in an Indian Girl.

Journal of pediatric neurosciences
2019

Generation of induced pluripotent stem cells from a young-onset Parkinson's disease patient carrying the compound heterozygous PLA2G6 p.D331Y/p.M358IfsX mutations.

Stem cell research
2019

Impaired iPLA2β activity affects iron uptake and storage without iron accumulation: An in vitro study excluding decreased iPLA2β activity as the cause of iron deposition in PLAN.

Brain research
2018

PLA2G6-Associated Neurodegeneration (PLAN): Review of Clinical Phenotypes and Genotypes.

Frontiers in neurology
2019

PLA2G6-associated neurodegeneration: New insights into brain abnormalities and disease progression.

Parkinsonism & related disorders
2019

PLA2G6-associated neurodegeneration presenting as a complicated form of hereditary spastic paraplegia.

Journal of human genetics
2018

Aripiprazole in a Patient of PLA2G6-Associated Neurodegeneration With Psychosis.

Clinical neuropharmacology
2018

PLA2G6-associated neurodegeneration: Lessons from neurophysiological findings.

European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society
2018

Oculogyric crises in PLA2G6 associated neurodegeneration.

Parkinsonism & related disorders
2018

Mutations in the Drosophila homolog of human PLA2G6 give rise to age-dependent loss of psychomotor activity and neurodegeneration.

Scientific reports
2018

Pla2g6 Deficiency in Zebrafish Leads to Dopaminergic Cell Death, Axonal Degeneration, Increased β-Synuclein Expression, and Defects in Brain Functions and Pathways.

Molecular neurobiology
2017

PLA2G6 mutations associated with a continuous clinical spectrum from neuroaxonal dystrophy to hereditary spastic paraplegia.

Clinical genetics
2017

Twin-sisters with PLA2G6-associated neurodegeneration due to paternal isodisomy of the chromosome 22 following in vitro fertilization.

Clinical genetics
2017

Expanded phenotype and hippocampal involvement in a novel compound heterozygosity of adult PLA2G6 associated neurodegeneration (PARK14).

Parkinsonism & related disorders
2017

Infantile neuroaxonal dystrophy and PLA2G6-associated neurodegeneration: An update for the diagnosis.

Brain & development
2017

PLA2G6 -Associated Neurodegeneration: Report of a Novel Mutation in Two Siblings with Strikingly Different Clinical Presentation.

Movement disorders clinical practice
2016

Validation of the finding of hypertrophy of the clava in infantile neuroaxonal dystrophy/PLA2G6 by biometric analysis.

Neuroradiology
2017

Identification of Novel Compound Mutations in PLA2G6-Associated Neurodegeneration Patient with Characteristic MRI Imaging.

Molecular neurobiology
2016

Child Neurology: Two sisters with dystonia and regression: PLA2G6-associated neurodegeneration.

Neurology
2016

Mitochondrial dysfunction and defects in lipid homeostasis as therapeutic targets in neurodegeneration with brain iron accumulation.

Rare diseases (Austin, Tex.)
2016

PLA2G6 Mutations Related to Distinct Phenotypes: A New Case with Early-onset Parkinsonism.

Tremor and other hyperkinetic movements (New York, N.Y.)
2016

High expression of α-synuclein in damaged mitochondria with PLA2G6 dysfunction.

Acta neuropathologica communications
2017

Early Ataxia and Subsequent Parkinsonism: PLA2G6 Mutations Cause a Continuum Rather Than Three Discrete Phenotypes.

Movement disorders clinical practice
2016

Two unusual cases of PLA2G6-associated neurodegeneration from India.

Annals of Indian Academy of Neurology
2016

Elevated aspartate aminotransferase and lactate dehydrogenase levels are a constant finding in PLA2G6-associated neurodegeneration.

European journal of neurology
2016

Disruption of Golgi morphology and altered protein glycosylation in PLA2G6-associated neurodegeneration.

Journal of medical genetics
2015

Loss of PLA2G6 leads to elevated mitochondrial lipid peroxidation and mitochondrial dysfunction.

Brain : a journal of neurology
2015

Neuroaxonal dystrophy in PLA2G6 knockout mice.

Neuropathology : official journal of the Japanese Society of Neuropathology
2015

Homozygous p.D331Y mutation in PLA2G6 in two patients with pure autosomal-recessive early-onset parkinsonism: further evidence of a fourth phenotype of PLA2G6-associated neurodegeneration.

Parkinsonism & related disorders
2015

Neuroimaging studies and whole exome sequencing of PLA2G6-associated neurodegeneration in a family with intrafamilial phenotypic heterogeneity.

Parkinsonism & related disorders

Associações

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Comunidades

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Doenças relacionadas

Doenças com sintomas parecidos — ajudam quem ainda está buscando diagnóstico

Referências e fontes

Bases de dados externas citadas neste artigo

Publicações científicas

Artigos indexados no PubMed ligados a esta doença no grafo RarasNet — título, periódico e PMID direto da fonte, sem intermediação de IA.

  1. Prospective 5-year natural history study of infantile PLA2G6-associated neurodegeneration.
    Developmental medicine and child neurology· 2026· PMID 40785249mais citado
  2. Expanding the Phenotypic and Radiological Spectrum of PLA2G6-Associated Neurodegeneration.
    Indian journal of pediatrics· 2026· PMID 41712152mais citado
  3. Adult-Onset PLA2G6-Associated Parkinsonism With Claval Hypertrophy: A Rare Radiological-Genetic Association.
    Cureus· 2026· PMID 41769496mais citado
  4. PLA2G6 Associated Neurodegeneration (PLAN): similar variant, divergent phenotype.
    Neurogenetics· 2026· PMID 41866441mais citado
  5. Claval Hypertrophy with Persistent Diffusion Restriction in PLA2G6-Associated Neurodegeneration.
    Movement disorders clinical practice· 2026· PMID 41804185mais citado
  6. PLA2G6-Associated Neurodegeneration.
    · 1993· PMID 20301718recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:329303(Orphanet)
  2. MONDO:0017998(MONDO)
  3. GARD:12567(GARD (NIH))
  4. Variantes catalogadas(ClinVar)
  5. Busca completa no PubMed(PubMed)
  6. Q55346017(Wikidata)

Dados compilados pelo RarasNet a partir de fontes abertas (Orphanet, OMIM, MONDO, PubMed/EuropePMC, ClinicalTrials.gov, DATASUS, PCDT/MS). Este conteúdo é informativo e não substitui avaliação médica.

Conteúdo mantido por Agente Raras · Médicos e pesquisadores podem colaborar

Compêndio · Raras BR

Neurodegenerescência associada a PLA2G6

ORPHA:329303 · MONDO:0017998
Ensaios
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MedGen
EuropePMC
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