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We present the irnmunohistochernical study of 11 cases of intracranial cysts: two extraventricular ependymal cysts, three colloid cysts of the third ventricle, four extraventricular choroidal cysts and two Rathke's cleft cysts. Antibodies against glial fibrillary acidic protein (GFAP), cytokeratins (AE1, CKSD, AE3), S-100 protein, epithelial membrane antigen (EMA), vimentin, neuron specific enolase (NSE), neurofilaments protein (NF) and prealbumin, were used. The epithelium of choroidal cysts, showed strong immunoreactivity for Prealbumin and cytokeratins, similar to the normal choroid plexus epithelium. The ependymal cysts showed epithelial immunoreactivity for GFAP and S-100, both glial markers expressed by the normal ependymal epithelium. On the contrary, the epithelial wall of colloid cysts and Rathke's cleft cyst, e...
The influence of the family on a business, its commitment to the company and the values it conveys form a capital capable of influencing the global development of a business. This research analyzes family capital and in particular its cultural components as a resource influencing the direction of the company. Corporate culture as a guiding philosophy for family business strategy is a key factor in its success. In short, the cultural capital of a family business is a capacity for empowerment. The sharing of values and an agreed definition of the business mission and its beliefs exert an element of cohesion among its human resources giving competitive advantage. The issue is to understand how business performance is influenced.