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Cell & Tissue Engineering
Both cell and tissue engineering are multidisciplinary fields that intersect with engineering, biology and chemistry. Cellular engineering is the study of biology at the cellular level using engineering principles and methods. This field entails studying not only the intracellular workings of cells but also environmental effects on cells along with the impact of cells on neighboring cells and the biological tissue that they are part of. A very active area of research in this field is the effect biomechanical forces have on cells at the cellular level. This includes but is not limited to how biomechanical forces effect gene expression, cell proliferation, cell death, migration, morphology plus secretion of extracellular factors that modulate neighboring cells and tissue characteristics. In addition, because cell adhesion and motility are two critical factors in determining tissue integrity and function, elucidation of the cellular and molecular mechanisms that regulate cell adhesion and motility is fundamentally important for tissue engineering. One of the techniques to control cell/tissue homeostasis exploits the use of externally applied physical stimuli (mechanical and electrical) to manipulate cellular responses. Detailed understanding of coupling mechanisms regulating cell adhesion and motility is likely to lead to improvements in designing engineered tissues. The discoveries made by cellular engineers are important for developing a fundamental understanding of how cells work and are applicable in several fields. In the field of medicine the results will be instrumental in the development of new treatment plans for diseases and pathological conditions. In the field of tissue engineering they aide in developing appropriate strategies for regenerating biological tissues. Tissue engineers combine the principles and methods of engineering and
biology to develop biological constructs that will lead to the regeneration
of a tissue in the body, or restore its function.To accomplish this engineers
combine together cells, biological factors, and scaffolding materials
based on the current knowledge of how biological systems work to create
biological constructs. The goal is for these constructs to either restore
the biological function of a missing or malfunctioning tissue to the body
or stimulate the body to regenerate the tissue. Cell and tissue engineering
are very complementary to one another as research in these fields often
blends together. For example cellular engineers using engineered scaffolds
to study how cells adhere to surfaces and the impact the characteristics
of the surface can have on cellular process such as cell proliferation
and migration. Tissue engineers then use this knowledge to determine how
best to coat the surface of their scaffolds to stimulate cells to perform
as they desire. ![]() |