Complex sentence: For their identification, cell surface markers as CD133, CD44 and ABCB5, or functional analysis including clonal analysis or Aldefluor assay were used using CD133 as positive marker for colon CSCs has generated conflicting results.
Split into simpler sentences: For their identification, cell surface markers such as CD133, CD44 and ABCB5, or functional analysis including clonal analysis or Aldefluor assay were used. Using CD133 as a positive marker for colon CSCs has generated conflicting results.