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Fig. 2 | BMC Veterinary Research

Fig. 2

From: Expression of vascular endothelial growth factor (VEGF) in equine sarcoid

Fig. 2

Equine sarcoid. Streptavidin-biotin-peroxidase stain. a Keratinocytes and fibroblasts showed a strong and finely granular cytoplasmatic staining for VEGF (arrow). 20×; b Secondary-only negative control for VEGF. 20×; c Ki67 immunoreactivity was strong in the epidermal and hair follicle basal cells (little arrow), while only few dermal fibroblasts (big arrow) were moderately positive. 20×; d Secondary-only negative control for Ki67. 20×; e Fibroblasts located immediately under the epidermis were moderately positive for bcl2 (arrow). 40×; f Secondary-only negative control for bcl-2. 40×; g bcl-2 immunoreactivity was weak in few dermal fibroblasts (arrow). 40×; h Secondary-only negative control for bcl-2 40×; i Numerous small blood vessels, immunolabeled with vWF, often appered irregular in shape and without a distinct lumen (arrow). 20×; l Secondary-only negative control for bcl-2. 20×

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