Figure 7From: The response to oestrogen deprivation of the cartilage collagen degradation marker, CTX-II, is unique compared with other markers of collagen turnoverEffect of treatment on the frequency of type IIA collagen mRNA expression and PIIANP immunostaining compared with CTX-II immunostaining. Numbers in each bar indicate the number of rats investigated. (a) CTX-II immunohistochemistry (IHC); (b) type IIA collagen (Col II) in situ hybridisation (IHC); (c) PIIANP IHC.Back to article page