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Alternations In The Splenic Marginal Zone With Age, Shirin Z. Birjandi
Alternations In The Splenic Marginal Zone With Age, Shirin Z. Birjandi
Dissertations
Splenic marginal zones are architecturally organized to generate a rapid response against blood- borne antigens entering the spleen. The marginal zone is a distinct anatomical micro-environment whose main components include the marginal zone macrophages, the marginal zone B cells, the marginal zone sinus, and the metallophilic macrophages. Marginal zone macrophages, in partnership with marginal zone B cells, are particularly important in host defense against T-independent pathogens and are crucial for the prevention of diseases such as Streptococcus pneumonia. It has been widely reported that with the advancement of age there is a higher rate of mortality as a result of …
The Role Of Nogo-A In Memory And Neuronal Plasticity In The Aged Rodent Brain, Rebecca Lynn Gillani
The Role Of Nogo-A In Memory And Neuronal Plasticity In The Aged Rodent Brain, Rebecca Lynn Gillani
Dissertations
The long-term effects of stroke often include cognitive impairments, but other than cognitive rehabilitation, which is often not fully successful, there is no intervention to treat cognitive impairments in stroke survivors. Our laboratory has previously shown that immunotherapy directed against the Nogo-A protein, which is enriched on oligodendrocytes, improves recovery of skilled forelimb sensorimotor function in adult and aged rats after an ischemic stroke lesion to the sensorimotor cortex. Furthermore, this recovery was correlated with axonal sprouting from intact pathways to denervated areas, as well as dendritic sprouting and increased dendritic spine density in the contralateral sensorimotor cortex. In the …