Often, their behavior does not reflect their biological function within an entire organ or organism, which, for example, turns studying
human liver cells into a big challenge.
Then his team used a drug (not the test compound) to kill each mouse's liver before transplanting
human liver cells into their bodies.
Today, Jang and her team of scientists are able to convert
a human liver cell into a certain type of stem cell, which can then be used to generate more liver cells — a first - in - the - world discovery for the Johns Hopkins researcher.
Not exact matches
Stem
cells have also been identified in
human milk, and have the potential to differentiate
into mammary epithelial lineages under mammary differentiation conditions in vitro, as well as other
cell types in corresponding microenvironments, including bone
cells, brain
cells,
liver cells, pancreatic beta
cells and heart
cells.
They transplanted the hepatocyte - like
cells into mice; 14 days later, some of the corrected
cells had integrated
into the rodent
liver and were able to produce
human A1AT.
Stem
cells injected
into lamb fetuses have created
livers that are up to 10 percent
human, says Esmail Zanjani of the University of Nevada at Reno.
One uses primary hepatocytes obtained from
livers donated for transplant; the second uses stem
cells derived from
human skin samples and guided
into hepatocyte - like
cells, Bhatia says.
Instead,
human ABCB4 has a specific function in
liver where it channels certain fatty acids
into the bile ducts in order to protect the
liver cells against aggressive biliary acids.
For the animal experiments, Savio Woo of the Center for Gene Therapy at Baylor College of Medicine in Houston and his colleagues first isolated
liver cells from transgenic mice that produce the
human protein a1 - antitrypsin in their
livers, from where it is secreted
into the blood.
View the video A tiny cluster of lab - grown
human cells that sprouts
into liver tissue could one day nix the need for organ donors.
TOKYO — A Japanese group has generated functional
human livers by creating
liver precursor
cells in the laboratory and then transplanting them
into mice to complete the developmental process.
A cocktail of
human cell types mixed in a dish (inset, left) spontaneously forms a three dimensional
liver bud (inset, right) which is transplanted
into a mouse for final development
into a
A ONE - OFF treatment for diabetes is a step closer thanks to a better understanding of how
human liver cells can be transformed
into something like the beta
cells that produce insulin in a healthy pancreas.
A new cellular reprogramming method has been revealed that transforms
human skin
cells into liver cells that are virtually indistinguishable from the
cells that make up native
liver tissue.
Writing in the latest issue of the journal Nature, researchers in the laboratories of Gladstone Senior Investigator Sheng Ding, PhD, and UCSF Associate Professor Holger Willenbring, MD, PhD, reveal a new cellular reprogramming method that transforms
human skin
cells into liver cells that are virtually indistinguishable from the
cells that make up native
liver tissue.
Using
cells from mice and
human livers, Toronto General Hospital Research Institute researchers demonstrated for the first time how under specific conditions, such as obesity,
liver CD8 + T
cells, white blood
cells which play an important role in the control of viral infections, become highly activated and inflammatory, reprogramming themselves
into disease - driving
cells.
«This data allows classification of all
human protein - coding genes
into those coding for house - hold functions (present in all
cells) and those that are tissue - specific genes with highly specialized expression in particular organs and tissues, such as kidney,
liver, brain, heart, pancreas.
Gladstone scientist Dr. Sheng Ding has exposed more chameleon - like qualities of the
human skin
cell, using chemical cocktails to turn skin
cells into fully functional brain, heart,
liver, and insulin - producing pancreas
cells.
«Our experimental model represents a promising technique to culture
human liver cells and prepare them for transplantation on a biodegradable polymer scaffold
into the peritoneal cavity,» concluded Dr. Pollok.
That's an impressive claim, and it's based on newly released data from his lab that shows the ability to turn
human skin
cells into liver cells.
Human skin
cells have also been directly converted
into neurons that can be used to study and find treatments for diseases in the brain, as well as
liver cells and insulin - producing
cells of the pancreas.