Table 1.
Types, classes and location of collagen in tissues. Adapted from [45] with additional data from: [46].
| Type | Location | Class |
|---|---|---|
| I | tendons, skin, artery walls, cornea, bones | Fibrillar |
| II | cartilage, vitreous body | Fibrillar |
| III | skin, vessel wall, reticular fibres, intestines, uterus | Fibrillar |
| IV | basal membrane, capillaries | Network-forming |
| V | skin, placenta, cornea, bones | Fibrillar |
| VI | bones, vessels, skin, cornea, cartilage | Network-forming |
| VII | skin, mucous membranes, bladder, umbilical cord, amniotic fluid | FACIT 1 |
| VIII | skin, heart, brain, kidneys, vessels, cartilage, bones | Network-forming |
| IX | cornea, vitreous body, cartilage | FACIT |
| X | cartilage | Network-forming |
| XI | cartilage, intervertebral discs | Fibrillar |
| XII | tendons, skin, cartilage | FACIT |
| XIII | skeletal muscles, heart, eye, skin, endothelial cells | MACIT 2 |
| XIV | skin, nerves, tendons, bones, cartilage | FACIT |
| XV | skin, capillary vessels, heart, ovaries, testicles, placenta, kidneys | MULTIPLEXINs 3 |
| XVI | skin, heart, kidneys, smooth muscle | FACIT |
| XVII | hemi desmosomes in epitelia | MACIT |
| XVIII | liver, kidneys, lungs | MULTIPLEXINs |
| XIX | skin, kidneys, liver, placenta, spleen, prostate gland | FACIT |
| XX | corneal epithelium | FACIT |
| XXI | stomach, skeletal muscles, kidneys, vessels, heart, placenta | FACIT |
| XXII | tissue junctions | FACIT |
| XXIII | metastatic carcinogenic cells | MACIT |
| XXIV | brain, muscle, kidneys, liver, lungs, ovaries, testicles, bones | Fibrillar |
| XXV | brain, eye, heart, testicles | MACIT |
| XXVI | testicles, ovaries | FACIT |
| XXVII | cartilage | Fibrillar |
| XXVIII | skin, nerves | Network-forming |
| XXIX | skin | Network-forming |
1 Fibril-associated collagens with interrupted triple helices; 2 Membrane-associated collagens with interrupted triple helices; 3 Multiple triple-helix Network-forming domains and interruptions.