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Life Sciences Commons

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Boise State University

2014

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Articles 31 - 37 of 37

Full-Text Articles in Life Sciences

Stüve-Wiedemann Syndrome: Lifr And Associated Cytokines In Clinical Course And Etiology, Dawn Mikelonis, Cheryl L. Jorcyk, Ken Tawara, Julia Thom Oxford Mar 2014

Stüve-Wiedemann Syndrome: Lifr And Associated Cytokines In Clinical Course And Etiology, Dawn Mikelonis, Cheryl L. Jorcyk, Ken Tawara, Julia Thom Oxford

Biology Faculty Publications and Presentations

Stüve-Wiedemann syndrome (STWS; OMIM #610559) is a rare bent-bone dysplasia that includes radiologic bone anomalies, respiratory distress, feeding difficulties, and hyperthermic episodes. STWS usually results in infant mortality, yet some STWS patients survive into and, in some cases, beyond adolescence. STWS is caused by a mutation in the leukemia inhibitory factor receptor (LIFR) gene, which is inherited in an autosomally recessive pattern. Most LIFR mutations resulting in STWS are null mutations which cause instability of the mRNA and prevent the formation of LIFR, impairing the signaling pathway. LIFR signaling usually follows the JAK/STAT3 pathway, and is initiated by …


Effects Of Prey Abundance On Breeding Season Diet Of Northern Goshawks (Accipiter Gentilis) Within An Unusual Prey Landscape, Robert A. Miller, Jay D. Carlisle, Marc J. Bechard Mar 2014

Effects Of Prey Abundance On Breeding Season Diet Of Northern Goshawks (Accipiter Gentilis) Within An Unusual Prey Landscape, Robert A. Miller, Jay D. Carlisle, Marc J. Bechard

Intermountain Bird Observatory Publications and Presentations

A critical element of diet analysis is species adaptability to alternative prey sources. The breeding-season diet of Northern Goshawks (Accipiter gentilis) includes both mammalian and avian species, varies geographically, and is often dependent upon tree squirrels of the genera Sciurus andTamiasciurus. We studied alternative prey sources of Northern Goshawks in the South Hills of south-central Idaho, an area where tree squirrels are naturally absent and other prey frequently important in the diet of goshawks, such as smaller corvids, are uncommon. We quantified the diet of goshawks using nest cameras and surveyed abundance of prey using line …


A Lipid-Rich Gestational Diet Predisposes Offspring To Nonalcoholic Fatty Liver Disease: A Potential Sequence Of Events, Alexandria N. Hughes, Julia Thom Oxford Mar 2014

A Lipid-Rich Gestational Diet Predisposes Offspring To Nonalcoholic Fatty Liver Disease: A Potential Sequence Of Events, Alexandria N. Hughes, Julia Thom Oxford

Biomolecular Research Center Publications and Presentations

Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome. It affects 20%–30% of the US population, and it is increasing worldwide. Recently, the role of lipid-rich maternal gestational nutrition in spurring the development of NAFLD among offspring has been indicated. Fetal predisposition to NAFLD involves numerous physiological reroutings that are initiated by increased delivery of nonesterified fatty acids to the fetal liver. Hampered ß-oxidation, uncontrolled oxidative stress, increased triacylglycerol synthesis, and the endoplasmic reticulum unfolded protein response are all implicated in sculpting a hepatic phenotype with a propensity to develop NAFLD in the postnatal state. This review …


Learning To Play: A “Hedgehog Concept” For Physical Education, Tyler Johnson Mar 2014

Learning To Play: A “Hedgehog Concept” For Physical Education, Tyler Johnson

Kinesiology Faculty Publications and Presentations

What is physical education and why does it exist? Despite its relatively long and storied history, consensus about physical education’s existence remains minimal. According to Jim Collins, author of the best-selling book Good to Great, organizations or groups of professionals should determine a “hedgehog concept” or a primary reason for their existence. This article explores three questions developed by Collins to help organizations identify a hedgehog concept: (a) what are we deeply passionate about? (b) what can we be the best in the world at? and/or what can we not be the best in the world at? and (c) what …


Apolipoprotein E Pathology In Vascular Dementia, Troy T. Rohn, Ryan J. Day, Colin B. Sheffield, Alexander J. Rajic, Wayne W. Poon Mar 2014

Apolipoprotein E Pathology In Vascular Dementia, Troy T. Rohn, Ryan J. Day, Colin B. Sheffield, Alexander J. Rajic, Wayne W. Poon

Biology Faculty Publications and Presentations

Vascular dementia (VaD) is the second most common form of dementia and is currently defined as a cerebral vessel vascular disease leading to ischemic episodes. Apolipoprotein E (apoE) gene polymorphism has been proposed as a risk factor for VaD, however, to date there are few documented post-mortem studies on apoE pathology in the VaD brain. To investigate a potential role for the apoE protein, we analyzed seven confirmed cases of VaD by immunohistochemistry utilizing an antibody that specifically detects the amino-terminal fragment of apoE. Application of this antibody, termed N-terminal, apoE cleavage fragment (nApoECF) revealed consistent labeling within neurofibrillary tangles …


Morphologic And Molecular Description Of Metopus Fuscus Kahl From North America And New Rdna Sequences From Seven Metopids (Armophorea, Metopidae), William A. Bourland, Laura Wendell, Greg Hampikian Jan 2014

Morphologic And Molecular Description Of Metopus Fuscus Kahl From North America And New Rdna Sequences From Seven Metopids (Armophorea, Metopidae), William A. Bourland, Laura Wendell, Greg Hampikian

Biology Faculty Publications and Presentations

Most species in the large ciliate genus Metopus Claparède & Lachmann, 1858 lack detailed descriptions based on modern morphologic and molecular methods. This lack of data for the vast majority of species hampers application of a morphospecies approach to the taxonomy of Metopus and other armophorids. In this report we redescribe the large species, Metopus fuscus Kahl, 1927 based on in vivo observation, silver impregnation, scanning electron microscopy, and single-cell 18S rDNA sequencing of a freshwater North American (Idaho) population. Metopus fuscus invariably has a perinuclear envelope of endosymbiotic bacteria not found in other species. Unlike the original description of …


Regional Distribution Shifts Help Explain Local Changes In Wintering Raptor Abundance: Implications For Interpreting Population Trends, Neil Paprocki, Julie A. Heath, Shawn J. Novak Jan 2014

Regional Distribution Shifts Help Explain Local Changes In Wintering Raptor Abundance: Implications For Interpreting Population Trends, Neil Paprocki, Julie A. Heath, Shawn J. Novak

Biology Faculty Publications and Presentations

Studies of multiple taxa across broad-scales suggest that species distributions are shifting poleward in response to global climate change. Recognizing the influence of distribution shifts on population indices will be an important part of interpreting trends within management units because current practice often assumes that changes in local populations reflect local habitat conditions. However, the individual- and population-level processes that drive distribution shifts may occur across a large, regional scale and have little to do with the habitats within the management unit. We examined the latitudinal center of abundance for the winter distributions of six western North America raptor species …