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Table 1 Summary of mesenchymal gene expression patterns

From: Tooth and scale morphogenesis in shark: an alternative process to the mammalian enamel knot system

Stage

EM

LM

ED

LD

 

Scale

Tooth

Molar

Scale

Tooth

Molar

Scale

Tooth

Molar

Scale

Tooth

Molar

Bmp4

+

-

+ [46]

+

-

+ [46]

+

-

+ [46]

-

-

+ [46]

Msx1

-

-

+ [61]

+

-

+ [61]

+

+

+ [61]

+

+

+ [61]

Msx2

-

+

+ [61]

-

-

- [61]

+

-

+ [61]

-

-

+ [61]

Msx3

-

-

n/a

-

+

n/a

+

+

n/a

-

+

n/a

Pitx2

-

+

- [51]

-

+

- [51]

-

+

- [51]

-

+

- [51]

  1. Summary of gene expression patterns in the mesenchymal compartment of the catshark scale and tooth buds, in comparison to data published for molar bud development in the mouse. Positive expression is represented by a +, negative expression by a –, and references for expression in mouse molar buds are cited in the table, except when non available (n/a)