Figure 1From: Urinary Transforming Growth Factor-beta 1 as a marker of response to immunosuppressive treatment, in patients with crescentic nephritis Immunohistocemical detection of TGF-β 1 in the renal tissue. A: Localization of TGF-β1 in a crescent and in tubular epithelial cells (dark brown area) (× 200). B: Negative control (× 200).Back to article page