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Immune-inflammatory conditions in the central nervous system (CNS) rely on molecular and cellular interactions which are homeostatically maintained to protect neural tissue from harm. The CD40-CD40L interaction upregulates key proinflammatory molecules, a function best understood in the context of infection, during which B-cells are activated via CD40 signaling to produce antibodies. However, the role of CD40 in neurological disease of non-infectious etiology is unclear. We review the role of CD40-CD40L in traumatic brain injury, Alzheimer's Disease, Parkinson's Disease, stroke, epilepsy, nerve injury, multiple sclerosis, ALS, myasthenia gravis and brain tumors. We also highlight therapeutic advancements targeting the CD40 system to either attenuate the neuroinflammatory response or leverage the downstream effects of CD40 signaling for direct tumor cell lysis.


Heather D Ots, Jovanna A Tracz, Katherine E Vinokuroff, Alberto E Musto. CD40-CD40L in Neurological Disease. International journal of molecular sciences. 2022 Apr 08;23(8)

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PMID: 35456932

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