RGD Reference Report - Serum Interleukin-6 Levels and Pulmonary Function in Ataxia-Telangiectasia. - Rat Genome Database

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Serum Interleukin-6 Levels and Pulmonary Function in Ataxia-Telangiectasia.

Authors: McGrath-Morrow, SA  Collaco, JM  Detrick, B  Lederman, HM 
Citation: McGrath-Morrow SA, etal., J Pediatr. 2016 Apr;171:256-61.e1. doi: 10.1016/j.jpeds.2016.01.002. Epub 2016 Feb 2.
RGD ID: 11529801
Pubmed: PMID:26851119   (View Abstract at PubMed)
PMCID: PMC5562399   (View Article at PubMed Central)
DOI: DOI:10.1016/j.jpeds.2016.01.002   (Journal Full-text)

OBJECTIVE: To evaluate the potential link between systemic inflammation and impaired lung function in people with ataxia-telangiectasia (A-T), we hypothesized that serum levels of interleukin (IL)-6, a proinflammatory cytokine, would correlate inversely with lung function in subjects with A-T. STUDY DESIGN: Consecutive subjects with A-T were recruited from the Johns Hopkins Outpatient A-T Clinical Center. Serum levels of IL-6 and 8 were measured by enzyme-linked immunosorbent assay. Spirometry was performed in subjects >/= 6 years of age on the same day that serum was obtained for measurements of cytokines. RESULTS: Approximately 80% of subjects had elevated serum IL-6 levels (> 1.0 pg/mL). No association was found between elevated IL-6 and age. Elevated IL-8 levels were found in 23.6% of subjects, and all subjects with elevated IL-8 levels had elevated IL-6 levels. Subjects with elevated IL-6 levels (mean: 6.14 +/- 7.47 pg/mL) had significantly lower mean percent forced vital capacity (FVC%, 50.5% +/- 17.8%) compared with subjects with normal serum IL-6 levels (FVC% of 66.2 +/- 16.1, P = .018). Greater IL-6 levels were associated with lower FVC% even after adjustment for receiving gamma globulin therapy (P = .024) and supplemental nutrition (P = .055). CONCLUSIONS: An association was found between elevated serum IL-6 levels and lower lung function in subjects with A-T. In addition, subjects with both elevated IL-6 and IL-8 had the lowest mean lung function. These findings indicate that markers for systemic inflammation may be useful in identifying individuals with A-T at increased risk for lower lung function and may help in assessing response to therapy.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
ataxia telangiectasia severityIEP 11529801 RGD 
ataxia telangiectasia severityISOIL6 (Homo sapiens)11529801; 11529801 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il6  (interleukin 6)

Genes (Mus musculus)
Il6  (interleukin 6)

Genes (Homo sapiens)
IL6  (interleukin 6)


Additional Information