J Orthop Res. 2001 Jul;19(4):659-64.

Distribution of smooth muscle actin-containing cells in the human meniscus.

Ahluwalia S, Fehm M, Murray MM, Martin SD, Spector M.

Source

Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.

Abstract

This is the first report of a contractile actin isoform, a-smooth muscle actin (SMA), in the cells of the human meniscus that lacked meniscal tears based on gross anatomical appearance. Approximately 25% of the cells in the tissue contained SMA by immunohistochemistry. Most of the SMA-positive cells were chondrocytic in morphology.

PMID:: 11518276; [PubMed - indexed for MEDLINE]

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Research Support, Non-U.S. Gov't

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Actins

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