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Friday

 

3D Laboratory Cell Growth System Should Speed Up MS Remyelination Research






















A physical scaffold that allows lab-grown brain cells to grow in a three-dimensional manner is giving scientists a whole new way of studying the regeneration of myelin, nerve coatings whose damage is at the heart of MS

The scaffold is allowing researchers to test large numbers of compounds for their capacity to trigger remyelination. This could lead to an acceleration of research into regenerative drugs for MS.

“The aligned Mimetix scaffold fibres from AMSBIO have been an invaluable tool, allowing us to answer fundamental questions regarding how oligodendrocytes form central nervous system (CNS) myelin sheaths,” Marie Bechler, a senior researcher in the Constant laboratory at the MRC Centre for Regenerative Medicine in Scotland, said in a press release.

The three-dimensional orientation of cells in the central nervous system determines how cells grow and behave. Earlier methods of growing brain cells in a lab dish have been unable to mirror everything that goes on in a living human.

MRC Centre researchers are using the three-dimensional fiber technology that AMSBIO developed to study oligodendrocyte cells and myelin regeneration. Oligodendrocytes are cells that wrap their appendages around nerve cells to form myelin.

The scaffold mimics the environment surrounding cells in the brain and spinal cord, which means oligodendrocytes can grow without the presence of neurons. In addition to supporting the cells’ three-dimensional growth, the system allows researchers to study the cells under a microscope and, using analytic methods, to study remyelination processes.

“The culture system we developed permits the examination of myelin sheath formation in the absence of neurons,” Bechler said. “The aligned microfibers used in our research have enabled us to examine both the physical and molecular signals sufficient to drive CNS [central nervous system] myelin sheath formation, which could not be assessed in other culture models.”

The new tool also makes it possible for researchers to study physical cues and molecular signals that determine how much myelin is formed. In addition, it should give them insight into how the oligodendrocytes’ origin in the brain or spinal cord can affect the outcomes of regeneration experiments.

Story Source: The above story is based on materials provided by MULTIPLESCLEROSISNEWSTODAY
Note: Materials may be edited for content and length


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