Art and Science of Laboratory Medicine

Art and Science of Laboratory Medicine

Tuesday, February 9, 2016

Super-resolution microscopy as a potential approach to platelet granule disorder diagnosis

Many platelet functions are dependent on bioactive molecules released from their granules. Deficiencies of these granules in number, shape or content are associated with bleeding. The small size of these granules is such that imaging them for diagnosis has traditionally required electron microscopy. However, recently developed super-resolution microscopes provide sufficient spatial resolution to effectively image platelet granules. When combined with automated image analysis, these methods provide a quantitative, unbiased, rapidly acquired dataset that can readily and reliably reveal differences in platelet granules between individuals.

A super-resolution imaging approach is effective and rapid in objectively differentiating between patients with a platelet bleeding disorder and healthy volunteers. CD63 is a useful marker for predicting Hermansky-Pudlak Syndrome and could be used in the diagnosis of patients suspected of other Platelet granule disorders.

Read more:
Super-resolution microscopy as a potential approach to platelet granule disorder diagnosis - Westmoreland - Journal of Thrombosis and Haemostasis 

Source: JTH Journal of Thrombosis and Haemostasis

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