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A comparison of IL-17 and IL-34 concentrations in the cerebrospinal fluid of patients with acute inflammatory demyelinating neuropathy and chronic inflammatory demyelinating polyneuropathy
Soytürk, Hayriye; Yılmaz, Murat.
  • Soytürk, Hayriye; Bolu Abant Izzet Baysal University. Gölköy. TR
  • Yılmaz, Murat; Bolu Abant Izzet Baysal University. Faculty Of Medical School. Department of Neurology. Gölköy. TR
Rev. Assoc. Med. Bras. (1992) ; 66(11): 1583-1588, Nov. 2020. tab
Article in English | SES-SP, LILACS | ID: biblio-1143646
ABSTRACT
SUMMARY

OBJECTIVE:

The role of interleukins, such as IL-17 and IL-34, in the pathogenesis of autoimmune diseases has been established in the literature. In the current study, we aimed to identify the concentrations of IL-17 (IL-17A, IL-17F) and IL-34 in the cerebrospinal fluid (CSF) of patients with chronic inflammatory demyelinating polyneuropathy (CIDP) and acute inflammatory demyelinating neuropathy (AIDN).

METHODS:

We included in this study 8 patients with CIDP (none of them receiving immunomodulatory or immunosuppressant therapy), 7 patients with Guillain-Barre syndrome (GBS, AIDN), and 7 control subjects. The CIDP and AIDN diagnoses were made by clinical evaluation and electrophysiological investigations according to international criteria. CSF samples were obtained appropriately, and the levels of IL-17A, IL-17F, and IL-34 were measured by ELISA kits.

RESULTS:

The concentrations of IL-17A, IL-17F, and IL-34 were higher in those with CIDP and AIDN compared to the controls (p=0.005, p=0.01, and p=0.001, respectively). While IL-34 levels were significantly higher in AIDN patients than in CIDP patients (p=0.04), there were no significant differences between the AIDN and CIDP groups with regard to the levels of IL-17A and IL-17F (p=0.4 and p=0.2, respectively)

CONCLUSION:

Our results indicate that IL-17A, IL-17F, and IL-34 levels may have a role in CIDP and AIDN. Furthermore, the difference in the IL-34 levels of patients with AIDN and CIDP may indicate an important difference between the pathogenesis of these two sets of the disease.
RESUMO
RESUMO

OBJETIVO:

O papel das interleucinas, como IL-17 e IL-34, na patogênese da doença auto-imune foi estabelecido na literatura. No presente estudo, objetivamos identificar as concentrações de IL-17 (IL-17A, IL-17F) e IL-34 no líquido cefalorraquidiano (LCR) de pacientes com polineuropatia desmielinizante inflamatória crônica (CIDP) e neuropatia desmielinizante inflamatória aguda (AIDN).

MÉTODOS:

incluímos neste estudo 8 pacientes com CIDP (nenhum deles recebendo terapia imunomoduladora ou imunossupressora), 7 pacientes com síndrome de Guillain-Barre (GBS, AIDN) e 7 indivíduos controle. Os diagnósticos CIDP e AIDN foram feitos por avaliação clínica e investigações eletrofisiológicas de acordo com critérios internacionais. As amostras de LCR foram obtidas adequadamente e os níveis de IL-17A, IL-17F e IL-34 foram medidos através de kits ELISA.

RESULTADOS:

As concentrações de IL-17A, IL-17F e IL-34 foram maiores naqueles com CIDP e AIDN em comparação aos controles (p = 0,005, p = 0,01 ep = 0,001, respectivamente). Enquanto os níveis de IL-34 foram significativamente mais altos nos pacientes com AIDN do que nos pacientes com CIDP (p = 0,04), não houve diferenças significativas entre os grupos com AIDN e CIDP em relação aos níveis de IL-17A e IL-17F (p = 0,4 ep = 0,2, respectivamente)

CONCLUSÃO:

Nossos resultados indicam que os níveis de IL-17A, IL-17F e IL-34 podem ter um papel no CIDP e no AIDN. Além disso, a diferença nos níveis de IL-34 de pacientes com AIDN e CIDP pode indicar uma diferença importante entre a patogênese desses dois conjuntos de doenças.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Type of study: Prognostic study Limits: Humans Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2020 Type: Article Institution/Affiliation country: Bolu Abant Izzet Baysal University/TR

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Full text: Available Index: LILACS (Americas) Main subject: Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Type of study: Prognostic study Limits: Humans Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2020 Type: Article Institution/Affiliation country: Bolu Abant Izzet Baysal University/TR