Progress in adipose tissue construct development.

Although the field of tissue engineering has been the focus of a great deal of promise and study, only recently has significant attention been given to the engineering of soft tissues. The applicability of an engineered adipose construct as a basic science model and a reconstructive tool is unquestioned; yet, there have been limitations in previous work, specifically issues of construct size and maintenance over time. This article briefly overviews the pivotal factors necessary for adipocyte growth and differentiation, optimal scaffolds for the engineering of soft tissues, and a means of providing vascular support for these highly demanding cells. Clinical science and bioengineering concepts that may provide the foundation toward the successful in vivo engineering of an adipose tissue construct that maintains its complex three-dimensional shape over time are critically reviewed.