Clathrin-coated tubules mediate rapid and selective protein absorption by lysosome-rich enterocytes
In the digestive tract of neonatal mammals and in fish, lysosome-rich enterocytes (LREs) internalize dietary proteins and digest them intracellularly within a large lysosomal vacuole. Impaired LRE function leads to growth stunting and poor survival in zebrafish and mice. Previous work has shown that protein uptake relies on a scavenger receptor complex. However, how LREs can internalize proteins…
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