Progenitor cell populations in the periodontal ligament of mice
Journal Article
·
· Anat. Rec.; (United States)
Stem cells in a variety of renewal tissues exhibit a slow rate of cell proliferation. The periodontal ligament of mouse molars was examined for the presence of slowly cycling progenitor cells to provide evidence for the existence of stem cells in this tissue. A pulse injection of /sup 3/H-thymidine was administered and mice were sacrificed between 1 hour and 14 days after injection. Analysis of radioautographs using percentage of labeled cells and grain counts demonstrated that a population of label-retaining cells within 10 micron of blood vessels traversed the cell cycle more slowly than proliferating cells located greater than 10 micron from blood vessels. These data suggest that there is a slowly dividing population of progenitor cells in paravascular sites in mouse molar periodontal ligament which may be stem cells.
- Research Organization:
- Univ. of Toronto, Ontario, Canada
- OSTI ID:
- 5151231
- Journal Information:
- Anat. Rec.; (United States), Journal Name: Anat. Rec.; (United States) Vol. 3; ISSN ANREA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550301* -- Cytology-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
AUTORADIOGRAPHY
AZINES
BODY
CELL PROLIFERATION
CONNECTIVE TISSUE
DENTISTRY
DIGESTIVE SYSTEM
HETEROCYCLIC COMPOUNDS
JAW
LABELLED COMPOUNDS
LIGAMENTS
MAMMALS
MEDICINE
MICE
NUCLEOSIDES
NUCLEOTIDES
ORAL CAVITY
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
PYRIMIDINES
RIBOSIDES
RODENTS
SKELETON
SKULL
SOMATIC CELLS
STEM CELLS
TEETH
THYMIDINE
TISSUES
TRITIUM COMPOUNDS
VERTEBRATES
59 BASIC BIOLOGICAL SCIENCES
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
AUTORADIOGRAPHY
AZINES
BODY
CELL PROLIFERATION
CONNECTIVE TISSUE
DENTISTRY
DIGESTIVE SYSTEM
HETEROCYCLIC COMPOUNDS
JAW
LABELLED COMPOUNDS
LIGAMENTS
MAMMALS
MEDICINE
MICE
NUCLEOSIDES
NUCLEOTIDES
ORAL CAVITY
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
PYRIMIDINES
RIBOSIDES
RODENTS
SKELETON
SKULL
SOMATIC CELLS
STEM CELLS
TEETH
THYMIDINE
TISSUES
TRITIUM COMPOUNDS
VERTEBRATES