Table 1

Expression of Wnts, BMPs, and Fz in human tissues and colon cancer cell lines

Normal colonic mucosaColon cancerHt29Colo205CaCo2Panc1
Panc1 cells were used as a positive control for BMP2a only. Hetero indicates heterogeneous staining among cells visualised in the tissue samples. Wnt and BMP mRNA were detected by in situ hybridisation and Fz1/2 protein by immunoperoxidase. See materials and methods section for numbers of samples analysed.
BMP, bone morphogenetic protein; Fz, frizzled.
Wnt 1PositivePositivePositivePositivePositive
Wnt 2NegativeHetero positiveWeakly positiveWeakly positivePositive
Wnt 4PositivePositivePositivePositivePositive
Wnt 5APositive, stronger at base of cryptsStrongly positivePositivePositivePositive
Wnt 5bPositiveHetero positivePositivePositivePositive
Wnt6PositivePositivePositivePositivePositive
Wnt 7aNegative, possible few positive cells at baseNegativeWeakly positiveWeakly positiveNegative
Wnt 7bPositivePositivePositiveWeakly positiveHetero positive
Wnt 10bPositivePositivePositivePositivePositive
BMP 2aNegativeNegativeWeakly hetero positiveWeakly hetero positiveWeakly hetero positivePositive
BMP6PositiveNegative to weakly positivePositivePositivePositive
Fz 1/2NegativePositive, poorly differentiatedPositivePositivePositive