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Journal of Dental Research
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Gingival Matrix Collagen in Chronic Periodontitis

Ola Hammouda

Department of Biochemistry

Mohamed Seif, SR.

Department of Biochemistry

Burcharda Brinkley

Department of Biochemistry

Mustafa Kh. Dabbous

Department of Biochemistry

Jerry Jurand

Department of Periodontics, University of Tennessee, Center for the Health Sciences, Memphis, Tennessee 38163

The isolation and characterization of cyanogen bromide peptides derived from the human gingival collagen of patients with chronic periodontitis revealed the presence of both Type I and Type III collagens in this tissue. The amount of Type III collagen, however, was found to be lower than that in normal gingival tissue. In addition, a non-collagenous protein fraction, accounting for approximately 20% of the insoluble matrix, was relatively rich in acidic, hydrophobic, and hydroxy-containing amino acids. Amino acid analysis, likewise, revealed qualitative and quantitative differences between the normal and diseased tissues.

Journal of Dental Research, Vol. 59, No. 1, 17-22 (1980)
DOI: 10.1177/00220345800590010201
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