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  • Title: Localization and processing of CLN3, the protein associated to Batten disease: where is it and what does it do?
    Author: Pearce DA.
    Journal: J Neurosci Res; 2000 Jan 01; 59(1):19-23. PubMed ID: 10658181.
    Abstract:
    Although the CLN3 gene for Batten disease, the most common inherited neurovisceral storage disease of childhood, was identified in 1995, the function of the corresponding protein still remains elusive. A key to understanding the pathology of this devastating disease will be to elucidate the function of CLN3 at the molecular level. CLN3 has proven difficult to study, as it is predicted to be a membrane protein, and is of apparently low abundance in cells. Different groups have reported differing subcellular localization of CLN3. The purpose of this review is to critically examine the various cell biological approaches undertaken to localize CLN3 and to piece together a potential function for CLN3 in neuronal cells. The most likely conclusion of this is that CLN3 is a lysosomal/endosomal protein that is trafficked through the endoplasmic reticulum (ER) and Golgi. Furthermore, studies are required to confirm whether CLN3 has a potential role in the recycling of synaptic vesicles through the endosome/lysosome.
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