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Figure 3 | Respiratory Research

Figure 3

From: Neurotrophins and neurotrophin receptors in pulmonary sarcoidosis - granulomas as a source of expression

Figure 3

Neurotrophin and neurotrophin receptor immunostaining in sarcoid lung granulomas. Immunostainings for NGF (A), NT-3 (B), BDNF (C), TrkA (D), TrkC (E) and TrkB (F) on lung biopsy sections from sarcoidosis patients (×40). Positive immunostaining was localized to epitheioid cells and Giant cells within the granulomas. F: fibrosis; Ic: infiltrating inflammatory cells. Non-specific (NS) immunostaining is shown in (G) and was obtained by exposing the sections to the antibodies preabsorbed with the corresponding blocking peptide (×20).

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