Serum Leptin Is not a Diagnostic Marker for Familial Mediterranean Fever Attacks

<p>The aim of our study is to determine whether there is a relationship between familial Mediterranean fever (FMF) attacks and serum leptin levels. We enrolled 25 patients (22 males and 3 females) and 25 healthy controls (21 males and 4 females) with a mean age of <mml:math alttext="$2...

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Format: Article
Language:English
Published: Wiley 2006-01-01
Series:Mediators of Inflammation
Online Access:http://www.hindawi.com/GetArticle.aspx?doi=10.1155/MI/2006/62868
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Summary:<p>The aim of our study is to determine whether there is a relationship between familial Mediterranean fever (FMF) attacks and serum leptin levels. We enrolled 25 patients (22 males and 3 females) and 25 healthy controls (21 males and 4 females) with a mean age of <mml:math alttext="$24.42pm 1.22$"> <mml:mrow><mml:mn>24.42</mml:mn><mml:mo>&#x00B1;</mml:mo><mml:mn>1.22</mml:mn> </mml:mrow></mml:math> (Mean <mml:math alttext="$pm$"><mml:mo>&#x00B1;</mml:mo></mml:math> SEM) years and <mml:math alttext="$24.30pm1.19$"><mml:mrow><mml:mn>24.30</mml:mn><mml:mo>&#x00B1;</mml:mo><mml:mn>1.19</mml:mn></mml:mrow></mml:math> years (Mean <mml:math alttext="$pm$"><mml:mo>&#x00B1;</mml:mo></mml:math> SEM), respectively. We investigated serum levels of leptin, interleukin-6 (IL-6) erythrocyte sedimentation rate (ESR),} C-reactive protein (CRP),fibrinogen, and leukocyte counts before the attack and 8&#8211;12 hours after the attack started. The same parameters have been investigated in the control subjects. The mean serum leptin levels before the attacks were <mml:math alttext="$6.45pm 1.05$"><mml:mrow><mml:mn>6.45</mml:mn><mml:mo>&#x00B1;</mml:mo><mml:mn>2.81</mml:mn></mml:mrow></mml:math> (Mean <mml:math alttext="$pm$"><mml:mo>&#x00B1;</mml:mo></mml:math> SEM) and during the attacks were <mml:math alttext="$7.59pm 1.3$"><mml:mrow><mml:mn>7.59</mml:mn><mml:mo>&#x00B1;</mml:mo><mml:mn>1.3</mml:mn></mml:mrow></mml:math> (Mean <mml:math alttext="$pm$"><mml:mo>&#x00B1;</mml:mo></mml:math> SEM) in FMF group,respectively. There was a slight increase in serum leptin levels during the attacks but it was not statistically significant (<mml:math alttext="$P>.05$"><mml:mrow><mml:mi>p</mml:mi><mml:mo>&#x003E;</mml:mo><mml:mn>.05</mml:mn></mml:mrow></mml:math>). The mean serum leptin levels were <mml:math alttext="$6.12 pm 2.81$"><mml:mrow><mml:mn>16.12</mml:mn><mml:mo>&#x00B1;</mml:mo><mml:mn>1.05</mml:mn></mml:mrow></mml:math> in the control group which were not different from the mean serum leptin levels before and during the attack periods in the study group (<mml:math alttext="$P>.05$"><mml:mrow><mml:mi>p</mml:mi><mml:mo>&#x003E;</mml:mo><mml:mn>.05</mml:mn></mml:mrow></mml:math>). However, there were statistical differences in the serum levels of IL-6, ESR, CRP, fibrinogen, and leukocyte counts before and during the attack periods (<mml:math alttext="$P>.05$"><mml:mrow><mml:mi>p</mml:mi><mml:mo>&#x003E;</mml:mo><mml:mn>.05</mml:mn></mml:mrow></mml:math>). No correlation was found between serum leptin levels and IL-6, ESR, CRP, fibrinogen, and leukocyte counts (<mml:math alttext="$P>.05$"><mml:mrow><mml:mi>p</mml:mi><mml:mo>&#x003E;</mml:mo><mml:mn>.05</mml:mn></mml:mrow></mml:math>). Serum leptin levels do not increase during FMF attacks and therefore it is not useful for diagnostic purposes and follow-up during treatment.</p>
ISSN:0962-9351