Figure 1From: p53 in head and neck cancer: Functional consequences and environmental implications of TP53mutationsImmunohistochemical staining of p53 immunoreactive protein (A, B). Nuclear immunostaining of p53 in head and neck squamous cell carcinoma. The immunostaining procedure was performed as described using an anti-p53 monoclonal antibody. A) Tumour with a very extensive (++++) immunostaining for p53 B) Tumour with a negative immunostaining for p53.Back to article page