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Pivotal Advance: Eosinophil Infiltration Of Solid Tumors Is An Early And Persistent Inflammatory Host Response, Stephania A. Cormier, Anna G. Taranova, Carrie Bedient, Thanh Nguyen, Cheryl Protheroe, Ralph Pero, Dawn Dimina, Sergei I. Ochkur, Katie O'Neill, Dana Colbert, Theresa R. Lombari, Stephanie Constant, Michael P. Mcgarry, James J. Lee, Nancy A. Lee
Pivotal Advance: Eosinophil Infiltration Of Solid Tumors Is An Early And Persistent Inflammatory Host Response, Stephania A. Cormier, Anna G. Taranova, Carrie Bedient, Thanh Nguyen, Cheryl Protheroe, Ralph Pero, Dawn Dimina, Sergei I. Ochkur, Katie O'Neill, Dana Colbert, Theresa R. Lombari, Stephanie Constant, Michael P. Mcgarry, James J. Lee, Nancy A. Lee
Faculty Publications
Tumor-associated eosinophilia has been observed in numerous human cancers and several tumor models in animals; however, the details surrounding this eosinophilia remain largely undefined and anecdotal. We used a B16-F10 melanoma cell injection model to demonstrate that eosinophil infiltration of tumors occurred from the earliest palpable stages with significant accumulations only in the necrotic and capsule regions. Furthermore, the presence of diffuse extracellular matrix staining for eosinophil major basic protein was restricted to the necrotic areas of tumors, indicating that eosinophil degranulation was limited to this region. Antibody-mediated depletion of CD4+ T cells and adoptive transfer of eosinophils suggested, respectively, …
Beta 1-Integrins Are Required For Hippocampal Ampa Receptor-Dependent Synaptic Transmission, Synaptic Plasticity, And Working Memory., Chi-Shing Chan, Edwin J. Weeber, Lin Zong, Elaine Fuchs, J David Sweatt, Ronald L. Davis
Beta 1-Integrins Are Required For Hippocampal Ampa Receptor-Dependent Synaptic Transmission, Synaptic Plasticity, And Working Memory., Chi-Shing Chan, Edwin J. Weeber, Lin Zong, Elaine Fuchs, J David Sweatt, Ronald L. Davis
Faculty Publications
Integrins comprise a large family of cell adhesion receptors that mediate diverse biological events through cell-cell and cell-extracellular matrix interactions. Recent studies have shown that several integrins are localized to synapses with suggested roles in synaptic plasticity and memory formation. We generated a postnatal forebrain and excitatory neuron-specific knock-out of beta1-integrin in the mouse. Electrophysiological studies demonstrated that these mutants have impaired synaptic transmission through AMPA receptors and diminished NMDA receptor-dependent long-term potentiation. Despite the impairment in hippocampal synaptic transmission, the mutants displayed normal hippocampal-dependent spatial and contextual memory but were impaired in a hippocampal-dependent, nonmatching-to-place working memory task. These …