Table I. Expression of DAPC components during development in biglycan null as compared to wild type muscle*.

Component	P14	P21	P35
Dystrophin	⇔	⇔	⇔
α-sarcoglycan	⇓	⇔	⇔
γ-sarcoglycan	⇔	⇓	⇔
β-sarcoglycan	⇔	⇔	⇔
δ-sarcoglycan	⇔	⇔	⇔
β-dystroglycan	⇔	⇔	⇔

^⇔No change

^⇓Reduced in biglycan null compared to controls