Modified bacterial cellulose tubes for regeneration of damaged peripheral nerves.

Introduction: The subject of the experiment was bacterial nanocellulose, a natural polymer produced by bacteria - Gluconacetobacter xylinus. Following a specific modification process a cartilage-like material for restoration of damaged tissues may be produced. The obtained implants with excellent biocompatibility, mouldability, biophysical and chemical properties perfectly fit the needs of reconstructive surgery.

Immunohistochemical expression of androgen receptor in salivary gland cancers.

Accidental discovery of androgen receptor (AR) expression in high-grade salivary gland cancer led to evaluation of that finding. In this study we evaluated the immunohistochemical expression of AR in a series of 37 formalin-fixed, paraffin-embedded malignant salivary gland tumors using two commercially available antibodies. Nuclear immunoreactivity for AR was demonstrated in 3 of 4 salivary duct carcinomas, 2 of 7 adenocarcinomas NOS and 1 of 2 carcinoma ex pleomorphic adenoma for both antibodies.