This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The objectives of this project are to augment the existing imaging core facilities in the Department of Anatomy and Cell Biology and to enhance the imaging resources available to investigators at the University of North Dakota. The existing imaging core is equipped with an Hitachi TEM, an Hitachi SEM, an Olympus Fluoview 300 laser scanning confocal microscope, and two older model epifluorescence microscopes, one of which is equipped with a Spot II digital camera. While the electron microscopy facilities are state-of-the-art, the confocal and the fluorescence microscopy facilities had several limitations. First, the confocal microscope is equipped with only two channels and possesses a laser configuration which does not permit the use of dyes excited by near UV. The system is not upgradable and therefore investigators are effectively limited to dual label imaging with a restricted list of fluorophores. Second, the existing epifluorescence microscopes are inadequate for most immunofluorescence microscopy applications due to their older optical design. To overcome these limitations and to meet the needs of Projects 1, 3, and 5, the imaging core was augmented by the addition of 1) a Zeiss 510 Meta confocal microscope capable of eight channel imaging (seven fluorescent channels/one DIC channel) and detecting a wide range of fluorophores, 2) a confoCor2 FCS unit for fluorescence correlation spectroscopy, 3) an Axiovert200 microscope with a sensitive, fast digital camera (AxioCam HRM), and 4) a computer workstation with Zeiss software for processing and analyzing image data. These resources were required for three of the projects in the COBRE application. Their addition greatly enhances the research capabilities of investigators in the School of Medicine at the University of North Dakota.

National Institute of Health (NIH)
National Center for Research Resources (NCRR)
Exploratory Grants (P20)
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Special Emphasis Panel (ZRR1-RI-A (01))
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University of North Dakota
Anatomy/Cell Biology
Schools of Medicine
Grand Forks
United States
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Kulas, Joshua A; Puig, Kendra L; Combs, Colin K (2017) Amyloid precursor protein in pancreatic islets. J Endocrinol 235:49-67
Krout, Danielle; Pramod, Akula Bala; Dahal, Rejwi Acharya et al. (2017) Inhibitor mechanisms in the S1 binding site of the dopamine transporter defined by multi-site molecular tethering of photoactive cocaine analogs. Biochem Pharmacol 142:204-215
Sukumaran, Pramod; Schaar, Anne; Sun, Yuyang et al. (2016) Functional role of TRP channels in modulating ER stress and Autophagy. Cell Calcium 60:123-32
Puig, Kendra L; Kulas, Joshua A; Franklin, Whitney et al. (2016) The Ames dwarf mutation attenuates Alzheimer's disease phenotype of APP/PS1 mice. Neurobiol Aging 40:22-40
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Zhang, Shuang; Yu, Min; Guo, Qiang et al. (2015) Annexin A2 binds to endosomes and negatively regulates TLR4-triggered inflammatory responses via the TRAM-TRIF pathway. Sci Rep 5:15859
Puig, Kendra L; Lutz, Brianna M; Urquhart, Siri A et al. (2015) Overexpression of mutant amyloid-? protein precursor and presenilin 1 modulates enteric nervous system. J Alzheimers Dis 44:1263-78
Rojanathammanee, Lalida; Floden, Angela M; Manocha, Gunjan D et al. (2015) Attenuation of microglial activation in a mouse model of Alzheimer's disease via NFAT inhibition. J Neuroinflammation 12:42

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