Collagen Galore Flashcards
1
Q
Type I Collagen
A
Most common, high tensile strength
Defective in OI
Bone Skin Tendon Dentin Fascia Cornea Late wound repair
2
Q
Type II Collagen
A
CarTWOlage (including hyaline)
Vitreous body
Nucleus Pulposus
3
Q
Type III Collagen
A
Pliable
Defective in Ehlers-Danlos
Reticulin Skin Blood vessels Uterus Fetal tissue Granulation tissue KELOID
4
Q
Type IV Collagen
A
BM
Basal lamina
Defective in Alport syndrome
5
Q
Collagenase
A
Zinc Cofactor
Removes type III collagen in granulation tissue for deposition of type I collagen
6
Q
Lysyl oxidase
A
Cross links lysine and hydroxylysine of tropocollagen extracellularly
Requires copper cofactor