Table 1.

Fibronectin IIICS Variants Showing Possible Combinations of CS1 and CS5-Containing Sequences

IIICS-A CSI IIICS-B IIICS-C CS5 VariantRT-PCR (bp) Variant Expressed in Stroma
√ √  √  V120  464  √  
—  √  √  V95 389  —  
√  √  —  V89  371  √  
— √  —  V64  296  √  
—  —  —  V0 104  √ 
IIICS-A CSI IIICS-B IIICS-C CS5 VariantRT-PCR (bp) Variant Expressed in Stroma
√ √  √  V120  464  √  
—  √  √  V95 389  —  
√  √  —  V89  371  √  
— √  —  V64  296  √  
—  —  —  V0 104  √ 

The independently spliced segments are referred to as IIICS-A, -B, and -C. The numbers assigned to the variants refer to the number of amino acid residues in the IIICS. The expected size of the variants by RT-PCR is shown together with those expressed in bone marrow stroma.

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