An antibody for the protein CTBP2 reveals cell nuclei as well as synapses
between hair cells and neurons (magenta).
«The Isl1 gene further preserved the connections
between hair cells and neurons, which is necessary for hearing,» said senior author Zheng - Yi Chen, D.Phil., Mass..
Not exact matches
A few years ago, biologists discovered that some produce
hair - like filaments that act as wires, ferrying electrons back and forth
between the
cells and their wider environment.
Post-treatment tests revealed that the gene entered
between 30 and 70 percent of
hair cells, reaching both inner and outer
hair cells.
«The recovery of
hair cells brought the treated ears to
between 50 % and 80 % of their original hearing thresholds,» says Raphael.
Based on previous studies, researchers have hypothesized that recreational noise exposure might damage the circuitry
between sensory
hair cells in the inner ear and their auditory nerve targets that deliver information to the brain.
The researchers found the Hairless protein within the PK
cells, but only during the pauses
between spurts of
hair growth.
The device works by drawing out glucose from the fluid
between cells across
hair follicles, which are individually accessed via a miniaturized pixel array platform using a small electric current, in a process called electroosmotic extraction.
Your
hair — or lack of
hair — is the result of a lifelong tug - of - war
between activators that wake up, and inhibitors that calm, stem
cells in every
hair follicle on your body, according to Cheng - Ming Chuong, M.D., Ph.D., of the University of Southern California (USC).
Ultraviolet A Ultraviolet B Thin layer of dead
cells Hair Squamous
cells Epidermis Basal layer Sweat gland Melanocyte
cells Dermis Basal
cell Blood vessels Figure 20.22 Science: structure of the human skin and the relationships
between ultraviolet (UV - A and UV - B) radiation and the three types of skin cancer.
The solar photovoltaic
cell is only one micrometer thick, which is far thinner than a human
hair, while most thin - film solar
cells are
between two and four micrometers thick.