This review from 2013 includes insights into current knowledge on the importance of copper for cellular processes and on the mechanisms involved in cellular copper uptake, storage and export. They also outline the importance of copper homeostasis that are characterized by copper overload or copper deficiency or have been connected with neurodegenerative disorders
References:
Scheiber I, Dringen R, Mercer JF. Copper: effects of deficiency and overload. Met Ions Life Sci. 2013;13:359-87. doi: 10.1007/978-94-007-7500-8_11. PMID: 24470097.