The area which you are looking for holds huge potential and highly promising. Definitely, the miRNA role is now evidenced in every disease and developmental process. You can search in Pubmed or google scholar.
Because every article contains some pieces of information, now how those pieces of information are satisfying your need or answering your query what you are looking for, it depends. After reading only, you may come to the conclusion.
Thanks, MiRNAs role in neurodegenerative diseases and colon cancer in general has lead to new areas of inquiry with such profound influence on expression along with tRNAs. Nevertheless, I'll definitely check Pubmed.