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Low-density membrane fragments (domains) were separated from the bulk of plasma membranes of human embryonic kidney (HEK)293 cells expressing a delta-opioid (DOP) receptor-Gi1alpha fusion protein by drastic homogenization and flotation on equilibrium sucrose density gradients. The functional activity of trimeric G proteins and capacity of the DOP receptor… (More)
In the retinal nerve fiber layer diffuse and localized defects can be seen in glaucoma. Photographs made with a green filter on black and white high contrast film allow to follow these alterations. This method will be used together with colour photographs for the statement of intra- and interobserver agreement.