The Neuropathology Research Laboratory under the direction of Dr. DeArmond has performed the service function through a series of Neuropathology Cores (NP Core) as well as an hypothesis testing function in studies of prion diseases since 1984 in collaboration with Stanley Prusiner and colleagues. The NP Cores have contributed directly to more than 75 prion disease related publications in that time. This NP Core will perform a full range of neuropathological and immunohistochemical services including: perfusion of animals when needed; dissection of brain tissues as needed; snap freezing brain and other tissues as needed; standard neurohistological stains on formalin-fixed, paraffin-embedded tissue sections; histochemical stains on cryostat sections of muscle; plastic embedding and toluidine blue staining of thick sections of peripheral nerve; electron microscopy; and full autopsies as needed. The NP Core has also pioneered development of techniques to identify and quantify PrPc and PrPSc in tissue sections. The two standard techniques we use today are: the hydrolytic autoclaving method to eliminate PrPC and localize PrPSc in formalin-fixed, paraffin-embedded sections and the histoblot technique that can localized and quantify either PrPC or PrPSc in unfixed, frozen tissue sections. The NP Core continues to test new PrP antibodies by these two immunohistochemical techniques. This core also maintains a bank of paraffin-embedded and frozen tissues. The NP Core maintains a new massive data base of all animals for which either neuropathological or histoblot analysis has been performed. Finally, the NP Core helps project Leaders interpret the neuropathological/immunohistochemical findings in the context of their hypotheses and questions, quantifies neuropathological and immunohistochemical findings in the context of their hypotheses and questions, quantifies neuropathological and immunohistochemical results as needed, and prepares both publication and notebook quality reproductions.
| O'Brien, Connor J; Droege, Daniel G; Jiu, Alexander Y et al. (2018) Photoredox Cyanomethylation of Indoles: Catalyst Modification and Mechanism. J Org Chem 83:8926-8935 |
| Condello, Carlo; Lemmin, Thomas; Stöhr, Jan et al. (2018) Structural heterogeneity and intersubject variability of A? in familial and sporadic Alzheimer's disease. Proc Natl Acad Sci U S A 115:E782-E791 |
| Woerman, Amanda L; Kazmi, Sabeen A; Patel, Smita et al. (2018) MSA prions exhibit remarkable stability and resistance to inactivation. Acta Neuropathol 135:49-63 |
| Yang, Bing; Wu, Haifan; Schnier, Paul D et al. (2018) Proximity-enhanced SuFEx chemical cross-linker for specific and multitargeting cross-linking mass spectrometry. Proc Natl Acad Sci U S A 115:11162-11167 |
| Irimata, Katherine E; Dugger, Brittany N; Wilson, Jeffrey R (2018) Impact of the Presence of Select Cardiovascular Risk Factors on Cognitive Changes among Dementia Subtypes. Curr Alzheimer Res 15:1032-1044 |
| Nick, Mimi; Wu, Yibing; Schmidt, Nathan W et al. (2018) A long-lived A? oligomer resistant to fibrillization. Biopolymers 109:e23096 |
| Woerman, Amanda L; Watts, Joel C; Aoyagi, Atsushi et al. (2018) ?-Synuclein: Multiple System Atrophy Prions. Cold Spring Harb Perspect Med 8: |
| Woerman, Amanda L; Kazmi, Sabeen A; Patel, Smita et al. (2018) Familial Parkinson's point mutation abolishes multiple system atrophy prion replication. Proc Natl Acad Sci U S A 115:409-414 |
| Watts, Joel C; Prusiner, Stanley B (2017) ?-Amyloid Prions and the Pathobiology of Alzheimer's Disease. Cold Spring Harb Perspect Med : |
| Adler, C H; Beach, T G; Shill, H A et al. (2017) GBA mutations in Parkinson disease: earlier death but similar neuropathological features. Eur J Neurol 24:1363-1368 |
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