오동훈

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Gene Therapy Boosts Brain Repair for Demyelinating Diseases "We’ve developed a gene therapy to stimulate production of new oligodendrocytes from stem and progenitor cells — both of which can become more specialized cell types — that are resident in the adult central nervous system," says Benjamin Deverman, a postdoctoral fellow in biology at Caltech and lead author of the paper. "In other words, we’re using the brain’s own progenitor cells as a way to boost repair." Caltech researchers…

Potential cure/alleviation therapy for MS patients-use a virus to express and restore myelin sheath production

Myelinated nerves. A section through myelinated nerve fibers and Schwann cells. Myelin (green) is an insulating fatty layer that surrounds the nerve fibre (axon, black), increasing the speed at which nerve impulses travel.

BE_Myelinated nerves. A section through myelinated nerve fibers and Schwann cells. Myelin (green) is an insulating fatty layer that surrounds the nerve fibre (axon, black), increasing the speed at which nerve impulses travel.

cross section of a bundle of nerve fibers

A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

Biomedical illustration of an oligodendrocyte repairing damaged myelin sheaths of a motor neuron. Such damage exposes nerve fibers and disrupts the ability of the nerve to carry messages. It is associated with diseases such as diabetes and multiple sclerosis.

Biomedical illustration of an oligodendrocyte repairing damaged myelin sheaths of a motor neuron. Such damage exposes nerve fibers and disrupts the ability of the nerve to carry messages. It is associated with diseases such as diabetes and multiple sclerosis.

myelin sheaths, a covering over some of your brain's neurons, helps to speed information being passed. Multiple Sclerosis (MS) is a disease that affects this coating and causes serious problems for those who have it.

Neurons: Myelin sheaths, a covering over some of your brain's neurons, helps to speed information being passed. Multiple Sclerosis (MS) is a disease that affects this coating and causes serious problems for those who have it.

The image shows stained oligodendrocyte progenitor cells in the brain.

Scientists at Johannes Gutenberg University Mainz (JGU) in Germany have discovered a new signal pathway in the brain that plays an important role in learning and the processing of sensory input.

THE BRAIN’S SILENT MAJORITY

Neurons are the brain’s rock stars. But without the glial cells — astrocytes, microglia and oligodendrocytes — there would be no show at all. A diagram by Arne Hurty for Stanford Medicine Magazine Fall

Before and After Composite Portraits of Drug Abusers…

Funny pictures about Before and After Composite Portraits of Drug Abusers. Oh, and cool pics about Before and After Composite Portraits of Drug Abusers. Also, Before and After Composite Portraits of Drug Abusers.

Photographer Bobby Neel Adams combines two photos of his portraits subjects—one as a youth and one as an adult—into composite portraits he calls “AgeMaps.” The portraits are composited without the aid of computers.

Photographer Bobby Neel Adams combines two photos of his portraits subjects—one as a youth and one as an adult—into composite portraits he calls “AgeMaps.” The portraits are composited without the aid of computers. Idea for 'time/change' theme for my fmp