Neural crest cells are a type of stem cell; during vertebrate embryonic development, they eventually differentiate into specialized cells such as those that make facial skeleton cells or those that
create pigment cells.
Not exact matches
Researchers used stem
cells to
create retinal
pigment epithelium
cells, which were transplanted into a patient's retina (left) in an area depicted by the black circle.
Melanocytes, healthy skin
cells that form the
pigment melanin, come from neural crest
cells, which are
created in the spinal column.
The shape and chemical composition of these granules is identical to organelles found in
cells called melanosomes; these being responsible for
creating and storing the
pigment melanin.
Wei Long Ng explained: «The two - step bioprinting strategy involves the fabrication of hierarchical porous collagen - based structures (that closely resembles the skin's dermal region), and deposition of epidermal
cells such as keratinocytes and melanocytes at pre-defined positions on top of the biomimetic dermal skin constructs, to
create 3D in - vitro
pigmented human skin constructs.
Ng explains, «The two - step bioprinting strategy involves the fabrication of hierarchical porous collagen - based structures (that closely resembles the skin's dermal region), and deposition of epidermal
cells such as keratinocytes and melanocytes at pre-defined positions on top of the biomimetic dermal skin constructs, to
create 3D in - vitro
pigmented human skin constructs.
This device sends a beam of light that is absorbed by the color brown into the deepest layers of skin, essentially destroying the
pigmented cells that
created the spot.
When healthy
cells are
created, they don't have
pigment.
energy
creating - researchers are currently looking into the potential of the sun to use a
pigment in the skin called melatin to
create energy for the
cells
Filling the
cells with vibrant
pigment, he plots numbers to index the contours of each face to
create a pixelated image.