Using IFN-γ antibodies to identify the pathogens of fungal rhinosinusitis: A novel immunohistochemical approach.

Molecular Medicine Reports
Yuyan YanHonggang Liu

Abstract

Fungal rhinosinusitis (FRS) is commonly caused by various Aspergillus species (spp) and Mucorales fungi, and the treatment and prognosis of cases differ depending on the causative fungus. The present study describes a novel immunohistochemical method that has high sensitivity and specificity for distinguishing between these two types of fungi in patients with FRS. Three groups were included in the study. Group A included formalin‑fixed paraffin‑embedded blocks of 51 nasal tissue specimens of patients with FRS (27 Aspergillus spp and 24 Mucorales) that were continuously obtained from the Department of Pathology of Tongren Hospital in Beijing as the experimental group and 34 cultures (26 Aspergillus spp and 8 Mucorales) of FRS that were randomly selected from the bacterial laboratory of Tongren Hospital in Beijing to verify the staining results of the paraffin‑embedded blocks. Formalin‑fixed paraffin‑embedded blocks of 10 esophageal cancer specimens were included in Group B as the positive control group. All specimens in Groups A and B were stained with interferon‑γ (IFN‑γ) antibody. Group C consisted of the same specimens as described in Group A, however, when performing the immunohistochemical assay, IFN‑γ antibody was replaced...Continue Reading

References

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Datasets Mentioned

BETA
GMS

Methods Mentioned

BETA
nucleic acid amplification

Software Mentioned

SPSS

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