The RSS function in PubMed allows you to generate an RSS feed of a PubMed search to display updated results, with links back to the citations in PubMed. See an example in the box below.
My NCBI is a free service by the US National Library of Medicine. Here is how to register:
The My NCBI feature (link in upper right corner of PubMed home page) allows one to
View a YouTube video Quick Tour on My NCBI features and functions