Fibronectin is a glycoprotein mediating contact between cellular elements and collagen. As judged by indirect immunofluorescence studies fibronectin is abundantly present in normal human skin. It is located in the dermo-epidermal junction area, in the papillary and reticular dermis, about epidermal appendages (pilosebaceous units and eccrine sweat glands) and in the vascular and neural structures.
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O Fyrand (2006) studied this question.
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