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1.
Ageing Res Rev ; 90: 102017, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37468112

RESUMO

INTRODUCTION: Proteins are the most common biological macromolecules in living system and are building blocks of life. They are extremely dynamic in structure and functions. Due to several modifications, proteins undergo misfolding, leading to aggregation and thereby developing neurodegenerative and systemic diseases. Understanding the pathology of these diseases and the techniques used to diagnose them is therefore crucial for their effective management . There are several techniques, currently being in use to diagnose them and those will be discussed in this review. AIM/OBJECTIVES: Current review aims to discuss an overview of protein aggregation and the underlying mechanisms linked to neurodegeneration and systemic diseases. Also, the review highlights protein misfolding disorders, their clinical diagnosis, and treatment strategies. METHODOLOGY: Literature related to neurodegenerative and systemic diseases was explored through PubMed, Google Scholar, Scopus, and Medline databases. The keywords used for literature survey and analysis are protein aggregation, neurodegenerative disorders, Alzheimer's disease, Parkinson's disease, systemic diseases, protein aggregation mechanisms, etc. DISCUSSION /CONCLUSION: This review summarises the pathogenesis of neurodegenerative and systemic disorders caused by protein misfolding and aggregation. The clinical diagnosis and therapeutic strategies adopted for the management of these diseases are also discussed to aid in a better understanding of protein misfolding disorders. Many significant concerns about the role, characteristics, and consequences of protein aggregates in neurodegenerative and systemic diseases are not clearly understood to date. Regardless of technological advancements, there are still great difficulties in the management and cure of these diseases. Therefore, for better understanding, diagnosis, and treatment of neurodegenerative and systemic diseases, more studies to identify novel drugs that may aid in their treatment and management are required.


Assuntos
Doenças Neurodegenerativas , Deficiências na Proteostase , Humanos , Dobramento de Proteína , Agregados Proteicos , Proteínas/metabolismo , Doenças Neurodegenerativas/metabolismo
2.
Int J Neurosci ; 132(11): 1080-1090, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-33287603

RESUMO

AIM: In this study, we aimed to discuss the clinical features, laboratory findings, treatment and outcome of seven cases of neurobrucellosis from a tertiary care center and review the available global literature. MATERIALS AND METHODS: The diagnosis of neurobrucellosis was established using the following criteria in our setting: (1) signs and symptoms of neurological infection with examination of cerebrospinal fluid (CSF) revealing signs of meningitis, (2) isolation of Brucella spp. from blood and/or CSF and/or antibody titer ≥1:160 in serum using standard agglutination test (SAT) and/or the presence of anti-Brucella antibodies in CSF and/or detection of Brucella spp.-specific DNA from CSF using PCR. A literature search was performed to review previous cases of neurobrucellosis published worldwide during the last 30 years. RESULTS: The proportion of neurobrucellosis was 2.8% in our setting. Fever with headache and altered sensorium were the major presenting complaints. Brucella melitensis was isolated from blood culture in 6 patients. From the literature search, a total of 221 cases of neurobrucellosis were reviewed and analyzed. Meningitis (32.6%), loss of hearing (25.8%) and encephalitis (14.9%) were the most common clinical features. Involvement of cranial nerves, polyradiculopathy and paraplegia were the major complications found in patients with neurobrucellosis. CONCLUSIONS: Neurobrucellosis should always be considered in the differential diagnosis of befitting neurological, rheumatological, and neuropsychiatric presentations in endemic regions for brucellosis. To prevent morbidity and mortality associated with neurobrucellosis, a multimodal diagnostic approach is essential for early and accurate diagnosis and effective treatment.


Assuntos
Brucella , Brucelose , Encefalite , Humanos , Brucelose/diagnóstico , Brucelose/tratamento farmacológico , Testes de Aglutinação , Resultado do Tratamento , Encefalite/complicações
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