Table 1 .Search strategy. The electronic databases PubMed, Embase, and Scopus will be search using the query shown in each column

"MicroRNAs"[Mesh] or "RNA, Untranslated"[Mesh] OR "untranslated rna"/exp OR "microrna*"[tw] OR "mirna*"[tw] OR "micro rna*"[tw] OR "mir"[tw] OR "non coding rna*"[tw] OR ncrna*[tw] OR "non protein coding rna*"[tw] OR "noncoding rna*"[tw] OR "untranslated rna*"[tw] or "npcrna*"[tw] or "non translated rna*"[tw] or "non peptide coding rna*"[tw]

'microrna'/exp OR 'untranslated rna'/exp OR 'microrna*':ti,ab,kw OR 'mirna*':ti,ab,kw OR 'micro rna*':ti,ab,kw OR 'mir':ti,ab,kw OR 'non-coding rna*':ti,ab,kw OR ncrna*:ti,ab,kw OR 'non protein coding rna*':ti,ab,kw OR 'noncoding rna*':ti,ab,kw OR 'untranslated rna*':ti,ab,kw OR 'npcrna*':ti,ab,kw OR 'non translated rna*':ti,ab,kw OR 'non peptide coding rna*':ti,ab,kw

( TITLE-ABS-KEY ( "spinal cord trauma*" OR "traumatic myelopath*" OR "spinal cord injur*" OR "spinal cord transection*" OR "spinal cord laceration*" OR "post-traumatic myelopath*" OR "spinal cord contusion*" ) ) AND ( TITLE-ABS-KEY ( "microrna*" OR "mirna*" OR "micro rna*" OR "mir" OR "non-coding rna*" OR ncrna* OR "non protein coding rna*" OR "noncoding rna*" OR "untranslated rna*" OR "npcrna*" OR "non translated rna*" OR "non peptide coding rna*" ) )

"Spinal Cord Injuries"[Mesh] or "Spinal Cord Trauma*"[tw] or "Traumatic Myelopath*"[tw] or "Spinal Cord Injur*"[tw] or "Spinal Cord Transection*"[tw] or "Spinal Cord Laceration*"[tw] or "Post-Traumatic Myelopath*"[tw] or "Spinal Cord Contusion*"[tw]

'spinal cord injuries'/exp OR ‘spinal cord trauma*’:ti,ab,kw or 'traumatic myelopath*':ti,ab,kw OR 'spinal cord injur*':ti,ab,kw OR 'spinal cord transection*':ti,ab,kw OR 'spinal cord laceration*':ti,ab,kw OR 'post-traumatic myelopath*':ti,ab,kw OR 'spinal cord contusion*':ti,ab,kw