Assertion: lupus's antibody | /r/CapableOf | attack antigen
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Source sentences:
text: Examples of antinuclear antibodies include antidouble-stranded DNA antibodies, which attack the deoxyribonucleic acid (DNA) located in the nuclei of cells, and anti-Sm antibodies, which attack an antigen called the Smith antigen that normally functions to maintain the shape of DNA in the cell nucleus.