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XSEDE-Allocated Supercomputers Help Accelerate Alzheimer’s Research

Delmar by Delmar
March 11, 2021
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XSEDE-Allocated Supercomputers Help Accelerate Alzheimer’s Research
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March 11, 2021 — Since 2009, Daniel Tward and his collaborators have analyzed greater than 47,000 photographs of human brains by way of MRI Cloud—a gateway created to gather and share quantitative data from human mind photographs, together with delicate adjustments in form and cortical thickness. The latter was the subject of a just lately revealed examine within the journal Neuroimage: Clinical by Tward and his staff.

The transentorhinal cortex is proven as a pair of triangulated surfaces; the curved white strains signify cortical columns, that are used to precisely estimate thickness. Credit score: Daniel Tward, UCLA.

Entitled Cortical Thickness Atrophy in the Transentorhinal Cortex in Mild Cognitive Impairment, the examine detailed new findings associated to this explicit space of the mind’s thinning through the early phases of Alzheimer’s illness and the way it impacts gentle cognitive impairment.

“Till now, we haven’t been capable of measure these adjustments in residing individuals,” mentioned Tward, assistant professor of computational drugs and neurology on the College of California Los Angeles. “By utilizing supercomputers like Comet on the San Diego Supercomputer Heart at UC San Diego and Stampede2 at Texas Superior Supercomputing Heart, we have been capable of examine a big cohort of affected person photographs over time.”

Particularly, Tward mentioned he and his staff used allocations from the Nationwide Science Basis (NSF) Excessive Science and Engineering Discovery Atmosphere (XSEDE) to entry supercomputers that allowed for commentary and quantification of thinning within the transentorhinal cortex,

Areas are proven the place variations in atrophy patterns are noticed between these with gentle cognitive impairment (MCI) and people with out MCI. Credit score: Daniel Tward, UCLA.

in a sample that agrees with post-mortem outcomes. Situated within the temporal lobe of the mind, the transentorhinal cortex has been believed to be the primary space impacted by Alzheimer’s illness; nonetheless, till now, this was solely capable of be proven in post-mortem outcomes.

He mentioned that with the ability to verify that this thinning of the transentorhinal cortex is brought on by Alzheimer’s may assist clinicians present sufferers with an earlier analysis, which is at the moment not recognized till post-mortem. Moreover, the newfound discovery may lead to shorter and cheaper scientific trials, which once more permits for sooner discovery of potential therapy for these affected by Alzheimer’s illness.

What Was the Position of Supercomputers?

Tward and his colleagues used XSEDE allocations on Comet and Stampede2 along with MRI Cloud, to investigate tons of of enormous imaging volumes of human brains—with a deal with the transentorhinal cortex.

“Lowering computation time from months to days allowed this advanced neuroimaging challenge to be possible,” mentioned Tward. “XSEDE offered us with a platform to exceed our expectations as we performed a examine with vital outcomes for each educational researchers and clinicians engaged on Alzheimer’s illness diagnoses and therapy.”

This work relied on allocations from XSEDE, which is supported by the NSF (ACI-1548562). The analysis was supported by the Nationwide Institutes of Well being (P41-EB015909, R01-AG048349, RO1-DC016784, and R01-EB020062).


Supply: Kimberly Mann Bruch, SDSC



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