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KMID : 1225720140060010033
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Allergy, Asthma & Immunology Research : AAIR
2014 Volume.6 No. 1 p.33 ~ p.38
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Can Fecal Calprotectin Level Be Used as a Markers of Inflammation in the Diagnosis and Follow-Up of Cow’s Milk Protein Allergy?
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Beser Omer F.
Sancak Selim
Erkan Tulay
Kutlu Tufan
Cokugras Haluk
Cokugras Fugen C.
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Abstract
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Purpose: Calprotectin is a cytosolic protein with immunomodulatory, antimicrobial, and antiproliferative actions. The concentration of calprotectin increases in infection, inflammation, and malignancy. We determined if calprotectin can be used as a marker for the diagnosis and follow-up of bowel inflammation in cow’s milk protein allergy (CMPA).
Methods: In total, 32 patients newly diagnosed with CMPA were included (24 IgE-mediated, 8 non-IgE-mediated). In all subjects, a complete blood count, total IgE, cow’s milk-specific IgE, and fecal calprotectin (FC) were assessed before and after a cow’s milk protein (CMP) elimination diet was started. The results were compared with those of 39 healthy children.
Results: The mean FC value before the CMP elimination diet was 516±311 μg/g in the 32 patients with CMPA and 296±94 μg/g in the control group (P=0.011). The mean FC value after the diet in these patients was 254±169 μg/g, which was significantly different from the mean value before the CMP elimination diet (P<0.001). When we compared FC levels before the CMP elimination diet in the IgE-mediated group with the control group, we found no significant statistical difference (P=0.142). The mean FC value before the CMP elimination diet was 886±278 μg/g in the non-IgE-mediated group and 296±94 μg/g in the control group; this difference was statistically significant (P<0.001). In the IgE-mediated and non-IgE-mediated groups, FC values after CMP elimination diet were 218±90 μg/g and 359±288 μg/g, respectively, and FC values before CMP elimination diet were 392±209 μg/g and 886±278 μg/g, respectively; these differences were statistically significant (P=0.001 and P=0.025, respectively).
Conclusions: FC levels may be a useful marker for follow-up treatment and recurrence determination in CMPA.
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KEYWORD
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Milk hypersensitivity, milk protein, fecal calprotectin
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