Open AccessEffects of radiation and chemotherapy on adipose stem cells: Implications for use in fat grafting in cancer patients
Author(s) -
Rebecca Platoff,
Miguel Villalobos,
Ashley Hagaman,
Yuan Liu,
Martha S. Matthews,
Michael E. DiSanto,
Jeffrey P. Carpenter,
Ping Zhang
Publication year - 2021
Publication title -
world journal of stem cells
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.907
H-Index - 18
ISSN - 1948-0210
DOI - 10.4252/wjsc.v13.i8.1084
Subject(s) - adipose tissue , chemotherapy , medicine , stem cell , breast cancer , radiation therapy , cancer research , transplantation , cancer , regeneration (biology) , breast reconstruction , oncology , surgery , pathology , biology , microbiology and biotechnology
Autologous fat transplantation is a versatile tool in reconstructive surgery. Adipose-derived stem cells (ASCs) increase survival of fat grafts and thus are increasingly used for breast reconstruction in breast cancer patients. However, radiation and/or chemotherapy have been proposed to inhibit soft tissue regeneration in wound healing thus suggesting alteration in stem cell pathways. Therefore, elucidating effects of radiation and chemotherapy on ASCs is critical if one desires to enhance the survival of fat grafts in patients. This review outlines our work evaluating the function and recoverability of ASCs from radiation or chemotherapy patients, focusing specifically on their availability as a source of autologous stem cells for fat grafting and breast reconstruction in cancer patients. Even though evidence suggests radiation and chemotherapy negatively influence ASCs at the cellular level, the efficiency of the isolation and differentiation capacity did not appear influenced in patients after receiving chemotherapy treatment, although fat from radiated patients exhibited significantly altered ASC differentiation into endothelial-like cells. Further, the in vitro growth rates of patient's ASCs do not differ significantly before or after treatment. Taken together, these studies suggest ASCs as an important new tool for grafting and reconstruction even when radiation and chemotherapy treatment are involved.