Medical Revitalizing the Brain: A Revolutionary Biomaterial for Nerve Regeneration

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The discussion centers on the encapsulation of xyloglucan and stem cells in a material designed to traverse the blood-brain barrier and dissolve via brain-specific enzymes. Key points include the potential for such materials to enhance targeted drug delivery and stem cell therapy in neurological applications. Concerns are raised regarding the effectiveness of varying the thickness of drug delivery capsules to ensure that different types of stem cells, such as hippocampal versus olfactory bulb stem cells, reach their intended brain regions. The conversation references a study on thermally gelling xyloglucan hydrogels, highlighting the need for tailored materials that dissolve at specific rates to optimize delivery and minimize invasiveness. Overall, the dialogue emphasizes the complexity of brain-targeted therapies and the importance of material science in achieving effective outcomes.
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year old news?

Implantation of Functionalized Thermally Gelling Xyloglucan Hydrogel Within the Brain: Associated Neurite Infiltration and Inflammatory Response

David R. Nisbet, Andrew E. Rodda, Malcolm K. Horne, John S. Forsythe and David I. Finkelstein. Tissue Engineering Part A. September 2010, 16(9): 2833-2842. doi:10.1089/ten.tea.2009.0677.
 
Pythagorean said:
year old news?

Implantation of Functionalized Thermally Gelling Xyloglucan Hydrogel Within the Brain: Associated Neurite Infiltration and Inflammatory Response

David R. Nisbet, Andrew E. Rodda, Malcolm K. Horne, John S. Forsythe and David I. Finkelstein. Tissue Engineering Part A. September 2010, 16(9): 2833-2842. doi:10.1089/ten.tea.2009.0677.

What do you think of a material that will pass through the blood-brain barrier and only then be dissolved would look like? The instances described in that article use a more invasive delivery method.
 
Adjusting the thickness of the drug delivery capsules probably wouldn't be enough to make sure different stem cells (are 'hippocampal' stem cells really any different than, say, those in the olfactory bulb?) and different amounts of xyloglucan make it to different parts of the brain. You'd have to use different materials (that dissolve at different rates) for encapsulation.
 
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Not really sure where you're coming from overall, but this is an interesting question:

are 'hippocampal' stem cells really any different than, say, those in the olfactory bulb?
 
https://www.discovermagazine.com/the-deadliest-spider-in-the-world-ends-lives-in-hours-but-its-venom-may-inspire-medical-miracles-48107 https://en.wikipedia.org/wiki/Versutoxin#Mechanism_behind_Neurotoxic_Properties https://www.sciencedirect.com/science/article/abs/pii/S0028390817301557 (subscription or purchase requred) he structure of versutoxin (δ-atracotoxin-Hv1) provides insights into the binding of site 3 neurotoxins to the voltage-gated sodium channel...
Popular article referring to the BA.2 variant: Popular article: (many words, little data) https://www.cnn.com/2022/02/17/health/ba-2-covid-severity/index.html Preprint article referring to the BA.2 variant: Preprint article: (At 52 pages, too many words!) https://www.biorxiv.org/content/10.1101/2022.02.14.480335v1.full.pdf [edited 1hr. after posting: Added preprint Abstract] Cheers, Tom

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