title: Evidence that mast cells are not required for healing of splinted cutaneous excisional wounds in mice.
abstract: Wound healing is a complex biological process involving the interaction of many cell types to replace lost or damaged tissue. Although the biology of wound healing has been extensively investigated, few studies have focused on the role of mast cells. In this study, we investigated the possible role of mast cells in wound healing by analyzing aspects of cutaneous excisional wound healing in three types of genetically mast cell-deficient mice. We found that C57BL/6-Kit(W-sh/W-sh), WBB6F1-Kit(W/W-v), and Cpa3-Cre; Mcl-1(fl/fl) mice re-epithelialized splinted excisional skin wounds at rates very similar to those in the corresponding wild type or control mice. Furthermore, at the time of closure, scars were similar in the genetically mast cell-deficient mice and the corresponding wild type or control mice in both quantity of collagen deposition and maturity of collagen fibers, as evaluated by Masson's Trichrome and Picro-Sirius red staining. These data indicate that mast cells do not play a significant non-redundant role in these features of the healing of splinted full thickness excisional cutaneous wounds in mice.
authors.affiliation: Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California, United States of America.
authors.forename: Allison C
authors.initials: AC
authors.lastname: Nauta
authors.forename: Monica
authors.initials: M
authors.lastname: Grova
authors.forename: Daniel T
authors.initials: DT
authors.lastname: Montoro
authors.forename: Andrew
authors.initials: A
authors.lastname: Zimmermann
authors.forename: Mindy
authors.initials: M
authors.lastname: Tsai
authors.forename: Geoffrey C
authors.initials: GC
authors.lastname: Gurtner
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Galli
authors.forename: Michael T
authors.initials: MT
authors.lastname: Longaker
mesh_terms: D000818:Animals; D003094:Collagen / Q000378:metabolism; D020405:Dermis / Q000473:pathology; D007700:Kinetics; D008407:Mast Cells / Q000473:pathology*; D051379:Mice; D008810:Mice, Inbred C57BL; D012867:Skin / Q000473:pathology*; D013165:Splints; D014945:Wound Healing
chemical_list: D003094:Collagen
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