Collagen metabolism markers as a reflection of bone and soft tissue turnover during the menstrual cycle and oral contraceptive use.
Two different groups of women, 23 healthy young adults and 13 women with chronic posterior pelvic pain, were studied before and during use of oral contraceptives (OC). Collagen metabolism markers-here, the amino-terminal propeptide of type I procollagen, the carboxy-terminal telopeptide of type I collagen, and the amino-terminal of procollagen type III-as well as hormones and other endocrine factors indicating the balance between androgen expression/anabolism and catabolism of the subjects (testosterone, sex-hormone binding globulin, and insulin-like growth factor I were measured. Type I procollagen, the carboxy-terminal telopeptide of type I collagen, and the amino-terminal of procollagen type III were all significantly decreased during OC use. These findings implicate OC use-induced changes in collagen type I and III turnover. A shift in the anabolic/catabolic balance was also recorded indicating a less anabolic situation during OC use.
Wreje
U
U
Department of Clinical Sciences, Division of Family Medicine, Stockholm, Sweden.
Brynhildsen
J
J
Aberg
H
H
Byström
B
B
Hammar
M
M
von Schoultz
B
B
D000293:Adolescent; D000328:Adult; D015415:Biomarkers; D016723:Bone Remodeling; D003094:Collagen / Q000097:blood / Q000378:metabolism*; D024042:Collagen Type I; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007334:Insulin-Like Growth Factor I / Q000378:metabolism; D008597:Menstrual Cycle; D017699:Pelvic Pain; D010446:Peptide Fragments / Q000097:blood; D010455:Peptides / Q000097:blood; D011347:Procollagen / Q000097:blood; D012738:Sex Hormone-Binding Globulin / Q000378:metabolism
D015415:Biomarkers; D024042:Collagen Type I; D003276:Contraceptives, Oral; D010446:Peptide Fragments; D010455:Peptides; D011347:Procollagen; D012738:Sex Hormone-Binding Globulin; C052929:collagen type I trimeric cross-linked peptide; C041876:procollagen Type III-N-terminal peptide; D007334:Insulin-Like Growth Factor I; D003094:Collagen