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Figure 4 | Respiratory Research

Figure 4

From: The cytokine-driven regulation of secretoglobins in normal human upper airway and their expression, particularly that of uteroglobin-related protein 1, in chronic rhinosinusitis

Figure 4

The protein expression of secretoglobin 3A2 (SCGB3A2) (uteroglobin-related protein 1, UGRP1) in chronic rhinosinusitis (CRS). A: A)-C) Representative photomicrographs of SCGB3A2 (UGRP1) immunohistochemical staining of sinonasal tissue sections from A) control, B) CRS without nasal polyps (CRSsNP), and C) CRS with nasal polyps (CRSwNP); D) A photomicrograph of a section stained with a control antibody. Scale bars, 50 μm. B: Quantification of protein expression levels of SCGB3A2 (UGRP1) examined by immunohistochemistry. Immunostaining intensity was analyzed using the automated image analysis system. Results are presented as 1/gray scores, which positively correlate with the intensity of immunoreactivity. In control group, n = 16; in CRSsNP group, n = 20; and in CRS CRSwNP group, n = 20. Data are presented in box-and-whisker plots. *P < 0.05.

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