The pluripotent stem cell - derived muscle fibers develop reservoirs of «satellite - like cells» that are necessary for normal adult muscles to repair damage, while
the muscle from the previous study had much fewer of these cells.
Not exact matches
The resulting
muscle, however, is not as strong as native
muscle tissue, and also falls short of the
muscle grown in the
previous study that started
from muscle biopsies.
Previous studies found better
muscle health and stronger healing in old mice receiving blood
from a younger counterpart.
The new data builds upon a
previous Pitt
study that showed damaged leg
muscles grew stronger and showed signs of regeneration in three out of five men whose old injuries were surgically implanted with ECM derived
from pig bladder.
Previous studies suggested that the hormone irisin — named for the Greek messenger goddess Iris — travels
from muscle to fat tissue after exercise to tell fat cells to start burning energy instead of storing it.
In
previous studies, we showed that the increase in
muscle mass in Mstn − / − mice results
from a combination of increased fiber numbers and increased fiber sizes [2].
Many
studies over the last years have found that explosive movements have the ability to improve
muscle strength by stimulating post-activation potentiation (PAP), i.e. instantaneous increase is
muscle force production generated
from the
muscle activation reached during a
previous high - intensity lift.