In the sentence extracted from biomedical literature, identify all the disease entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="disease"> to denote a disease.

### Input Text: In addition to BRCA1 , the contig contains two complete genes Rho7 , a member of the rho family of GTP binding proteins , and VAT1 , an abundant membrane protein of cholinergic synaptic vesicles .
### Output Text:
In addition to BRCA1 , the contig contains two complete genes Rho7 , a member of the rho family of GTP binding proteins , and VAT1 , an abundant membrane protein of cholinergic synaptic vesicles . 