It is thought that this line of research can greatly contribute to the development of a fundamental treatment for hereditary hearing loss and
inner ear development research.
The team says that this was one of the most compelling aspects of their study, because it speaks to the remarkable plasticity that exists in the genetic programs regulating
inner ear development.
The specific health benefits include better respiratory health, muscle tone and
inner ear development.
Not exact matches
Genetic variations most strongly associated with high scores were found near the GATA2 gene — involved in the
development of
inner ear hair cells and the inferior colliculus.
Heller's team produced the
inner -
ear hair cells by exposing embryonic cells in the lab to chemical factors which steer the natural
development of hair cells.
They investigated whether overexpression of Isl1, an
inner ear progenitor gene with roles in
development and differentiation, could be effective in protecting the
inner ear.
The GJB6 gene encodes the CONNEXIN 30 protein, which is essential in hearing
development, and a deficiency of the gene results in the second most common disease among cases of hereditary hearing loss that have no other disease in the
inner ear.
By culturing human stem cells in this manner and treating them with specific signaling molecules, the investigators were able to guide cells through key processes involved in the
development of the human
inner ear.
«This is essentially a recipe for how to make human
inner ears from stem cells,» said Dr. Koehler, lead author of the study and whose research lab works on modeling human
development.
The researchers inserted the genes about a week before birth — after they could identify tissue that would become the
inner ear and before the natural
development of hair cells had begun.
Hoxa1 lineage tracing indicates a direct role for Hoxa1 in the
development of the
inner ear, the heart, and the third rhombomere.
NeuroD - null mice are deaf due to a severe loss of the
inner ear sensory neurons during
development.
With Biogen's expertise in neuroscience research and drug
development and Ionis» leadership in RNA targeted therapies, the companies plan to advance antisense programs for a broad range of neurological diseases including dementia, neuromuscular diseases, movement disorders, diseases of the eyes and
inner ear, and neuropsychiatry.
For example, one study recently showed these signals act in concert to induce
development of the
inner ear.
We found widespread expression of Chd7 in early
development of the mouse in organs affected in CHARGE syndrome including eye, olfactory epithelium,
inner ear and vascular system.
We report here that
inner ears of Lcc / Lcc mice fail to establish a prosensory domain and neither hair cells nor supporting cells differentiate, resulting in a severe
inner ear malformation, whereas the sensory epithelium of Ysb / Ysb mice shows abnormal
development with disorganized and fewer hair cells.
Cochlear (
inner ear)
development occurs normally to that point, but the blood supply to the cochlea (the stria vascularis) degenerates, so the hair cells of the cochlea die.