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Glucose Uptake By Glut1 In Photoreceptors Is Essential For Outer Segment Renewal And Rod Photoreceptor Survival, Lauren L. Daniele, John Y.S. Han, Ivy S Samuels, Ravikiran Komirisetty, Nikhil Mehta, Jessica L Mccord, Minzhong Yu, Yekai Wang, Kathleen Boesze-Battaglia, Brent A Bell, Jianhai Du, Neal S Peachey, Nancy J. Philp
Glucose Uptake By Glut1 In Photoreceptors Is Essential For Outer Segment Renewal And Rod Photoreceptor Survival, Lauren L. Daniele, John Y.S. Han, Ivy S Samuels, Ravikiran Komirisetty, Nikhil Mehta, Jessica L Mccord, Minzhong Yu, Yekai Wang, Kathleen Boesze-Battaglia, Brent A Bell, Jianhai Du, Neal S Peachey, Nancy J. Philp
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Photoreceptors consume glucose supplied by the choriocapillaris to support phototransduction and outer segment (OS) renewal. Reduced glucose supply underlies photoreceptor cell death in inherited retinal degeneration and age-related retinal disease. We have previously shown that restricting glucose transport into the outer retina by conditional deletion of Slc2a1 encoding GLUT1 resulted in photoreceptor loss and impaired OS renewal. However, retinal neurons, glia, and the retinal pigment epithelium play specialized, synergistic roles in metabolite supply and exchange, and the cell-specific map of glucose uptake and utilization in the retina is incomplete. In these studies, we conditionally deleted Slc2a1 in a pan-retinal or …
Simultaneous Brain And Intramedullary Spinal Abscesses In A Patient With Streptococcus Intermedius Infection, David P. Friedman, Joseph Desimone Jr, Aaron Christensen, Matthew Pettengill
Simultaneous Brain And Intramedullary Spinal Abscesses In A Patient With Streptococcus Intermedius Infection, David P. Friedman, Joseph Desimone Jr, Aaron Christensen, Matthew Pettengill
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
A male patient in his thirties presented to the hospital with meningismus and altered mental status. Cerebrospinal fluid (CSF) analysis confirmed meningitis, but no microorganisms were identified. Head imaging (MRI) revealed multiple brain abscesses. Surgically-collected brain specimens revealed Gram-positive cocci and subsequently grew Streptococcus intermedius. MRI of the thoracic spine subsequently also identified an intramedullary spinal abscess. While brain abscesses and spinal abscesses caused by S. intermedius have been previously reported, the extent of disseminated disease in the patient was noteworthy.