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Articles 121 - 136 of 136
Full-Text Articles in Life Sciences
Dietary Fish Oil Supplement Induces Age-Specific Contractile And Proteomic Responses In Muscles Of Male Rats, David W. Russ, Kalina Dimova, Emily Morris, Marguerite Pacheco, Sean M. Garvey, Stylianos P. Scordilis
Dietary Fish Oil Supplement Induces Age-Specific Contractile And Proteomic Responses In Muscles Of Male Rats, David W. Russ, Kalina Dimova, Emily Morris, Marguerite Pacheco, Sean M. Garvey, Stylianos P. Scordilis
Biological Sciences: Faculty Publications
Background: Dietary fish oil (DFO) has been identified as a micronutrient supplement with the potential to improve musculoskeletal health in old age. Few data are available for effects of DFO on muscle contractility, despite the significant negative impact of muscle weakness on age-related health outcomes. Accordingly, the effects of a DFO intervention on the contractile function and proteomic profile of adult and aged in an animal model of aging were investigated.
Methods: This preliminary study evaluated 14 adult (8 months) and 12 aged (22 months) male, Sprague-Dawley rats consuming a DFO-supplemented diet or a control diet for 8 weeks (7 …
Consciousness As A Factor In Evolution, Kenneth A. Augustyn
Consciousness As A Factor In Evolution, Kenneth A. Augustyn
Michigan Tech Publications
What I call the mind began as a non-conscious robotic biochemical process control system in the very earliest forms of life. As life evolved, problems in control became more difficult and exceeded the computational capabilities of the organisms. Nature discovered a means of transcending computable physical processes resulting in non-computational subjective mental capabilities that, while still not conscious, had a degree of genuine autonomy from the physical world. These autonomous subjective wants and goals now affected the course of (but not the mechanism of) evolution. The integrated amalgam of robotic and transrobotic unconscious capabilities eventually gave rise to consciousness, which …
Connecting Theory To Practice: Using Self-Determination Theory To Better Understand Inclusion In Stem, Michael E. Moore, Dulce M. Vega, Katie M. Wiens, Natalia Caporale
Connecting Theory To Practice: Using Self-Determination Theory To Better Understand Inclusion In Stem, Michael E. Moore, Dulce M. Vega, Katie M. Wiens, Natalia Caporale
Department of Biochemistry: Faculty Publications
In the United States, persistence for women and ethnic minorities in science, technology, engineering, and math (STEM) careers is strongly impacted by affective factors such as science identity, agency, and sense of belonging. Policies aimed at increasing the diversity of the national STEM student population and workforce have recently focused on fostering inclusive learning environments that can positively impact the experi-ences of underrepresented minorities (URMs) in STEM, thus increasing their retention. While research on inclusion in STEM in higher education is relatively new, inclusion research has a rich history in several other disciplines. These fields have developed theoretical frameworks and …
Laser Surface Cleaning As A Novel Approach For Genesis Solar Wind Collectors, Martina Schmeling, I. V. Veryovkin, C. E. Tripa
Laser Surface Cleaning As A Novel Approach For Genesis Solar Wind Collectors, Martina Schmeling, I. V. Veryovkin, C. E. Tripa
Chemistry: Faculty Publications and Other Works
A new surface cleaning method utilizing lasers has been evaluated for its suitability to Genesis solar wind collectors
Differences In Blood-Derived Francisella Tularensis Type B Strains From Clinical Cases Of Tularemia, Marilyn A. Larson, Baha Abdalhamid, Bhanwar Lal Puniya, Tomáš Helikar, David W. Kelley, Peter C. Iwen
Differences In Blood-Derived Francisella Tularensis Type B Strains From Clinical Cases Of Tularemia, Marilyn A. Larson, Baha Abdalhamid, Bhanwar Lal Puniya, Tomáš Helikar, David W. Kelley, Peter C. Iwen
Department of Biochemistry: Faculty Publications
Francisella tularensis can cause the zoonotic disease tularemia and is partitioned into subspecies due to differences in chromosomal organization and virulence. The subspecies holarctica (type B) is generally considered more clonal than the other subpopulations with moderate virulence compared to the hypervirulent A.I clade. We performed whole genome sequencing (WGS) on six type B strains isolated from the blood of patients with tularemia within a one-year period from the same United States region, to better understand the associated pathogenicity. The WGS data were compared to the prototype strain for this subspecies, specifically FSC200, which was isolated from a patient with …
Reactive Oxygen Species (Ros) Mediated Degradation Of Organophosphate T Pesticides By The Green Microalgae Coccomyxa Subellipsoidea☆, Timothy J Nicodemus, Concetta C. Dirusso, Mark A. Wilson, Paul N. Black
Reactive Oxygen Species (Ros) Mediated Degradation Of Organophosphate T Pesticides By The Green Microalgae Coccomyxa Subellipsoidea☆, Timothy J Nicodemus, Concetta C. Dirusso, Mark A. Wilson, Paul N. Black
Department of Biochemistry: Faculty Publications
The aim of this study was to define the mechanism allowing the green alga Coccomyxa subellipsoidea to break down organophosphates from agricultural run-off. This study found that metabolically active cultures of the microalga C. subellipsoidea breakdown organophosphates (paraoxon, malathion and diazinon) with differing structural conformations in freshwater through a mechanism that requires the formation of reactive oxygen species (ROS) with little to no toxic effects on the algae. Under these conditions, organophosphate levels were reduced to 0.1 mg/mL or less over the 8–10 day experimental period. These findings demonstrate a biological- based system can be tailored for the remediation of …
Insights From The Inclusive Environments And Metrics In Biology Education And Research Network: Our Experience Organizing Inclusive Biology Education Research Events, Rebecca A. Campbell-Montalvo, Natalia Caporale, Gary S. Mcdowell, Candice Idlebird, Katie M. Wiens, Kimberly M. Jackson, Jana D. Marcette, Michael E. Moore
Insights From The Inclusive Environments And Metrics In Biology Education And Research Network: Our Experience Organizing Inclusive Biology Education Research Events, Rebecca A. Campbell-Montalvo, Natalia Caporale, Gary S. Mcdowell, Candice Idlebird, Katie M. Wiens, Kimberly M. Jackson, Jana D. Marcette, Michael E. Moore
Department of Biochemistry: Faculty Publications
In contrast to efforts focusing on improving inclusion in STEM classrooms from kindergarten through un-dergraduate (K–16), efforts to improve inclusion in scientific meetings and conferences, important hubs of STEM culture, are more recent. Markers of inclusion that are sometimes overlooked at these events can include the composition of panels, how workshops are run, the affordability of conferences, and various other mechanisms that maintain pre-existing hierarchies and norms that limit the participation of early-career researchers and individuals of minoritized cultural, linguistic, and economic backgrounds. The Inclusive Environments and Metrics in Biology Education and Research (iEMBER) network coordinates efforts of researchers from …
Training Population Optimization For Genomic Selection In Miscanthus, Marcus O. Olatoye, Lindsay V. Clark, Nicholas R. Labonte, Hongxu Dong, Maria S. Dwiyanti, Kossonou G. Anzoua, Joe E. Brummer, Bimal K. Ghimire, Elena Dzyubenko, Nikolay Dzyubenko, Larisa Bagmet, Andrey Sabitov, Pavel Chebukin, Katarzyna Głowacka, Kweon Heo, Xiaoli Jin, Hironori Nagano, Junhua Peng, Chang Y. Yu, Ji H. Yoo, Hua Zhao, Stephen P. Long, Toshihiko Yamada, Erik J. Sacks, Alexander E. Lipka
Training Population Optimization For Genomic Selection In Miscanthus, Marcus O. Olatoye, Lindsay V. Clark, Nicholas R. Labonte, Hongxu Dong, Maria S. Dwiyanti, Kossonou G. Anzoua, Joe E. Brummer, Bimal K. Ghimire, Elena Dzyubenko, Nikolay Dzyubenko, Larisa Bagmet, Andrey Sabitov, Pavel Chebukin, Katarzyna Głowacka, Kweon Heo, Xiaoli Jin, Hironori Nagano, Junhua Peng, Chang Y. Yu, Ji H. Yoo, Hua Zhao, Stephen P. Long, Toshihiko Yamada, Erik J. Sacks, Alexander E. Lipka
Department of Biochemistry: Faculty Publications
Miscanthus is a perennial grass with potential for lignocellulosic ethanol production. To ensure its utility for this purpose, breeding efforts should focus on increasing genetic diversity of the nothospecies Miscanthus x giganteus (M·g) beyond the single clone used in many programs. Germplasm from the corresponding parental speciesM. sinensis (Msi) and M. sacchariflorus (Msa) could theoretically be used as training sets for genomic prediction of M·g clones with optimal genomic estimated breeding values for biofuel traits. To this end, we first showed that subpopulation structure makes a substantial contribution to the genomic selection (GS) prediction accuracies within a 538-member diversity panel …
A Novel Pool Of Microparticle Cholesterol Is Elevatedin Rheumatoid Arthritis But Not In Systemic Lupus Erythematosus Patients, Shuai Shuai Hu, Brenton L. Cavanagh, Robert Harrington, Muddassar Ahmad, Grainne Kearns, Steve Meaney, Claire Wynne
A Novel Pool Of Microparticle Cholesterol Is Elevatedin Rheumatoid Arthritis But Not In Systemic Lupus Erythematosus Patients, Shuai Shuai Hu, Brenton L. Cavanagh, Robert Harrington, Muddassar Ahmad, Grainne Kearns, Steve Meaney, Claire Wynne
Articles
Microparticles are sub-micron, membrane-bound particles released from virtually allcells and which are present in the circulation. In several autoimmune disorders their amountand composition in the circulation is altered. Microparticle surface protein expression has beenexplored as a differentiating tool in autoimmune disorders where the clinical pictures can overlap.Here, we examine the utility of a novel lipid-based marker—microparticle cholesterol, present in allmicroparticles regardless of cellular origin—to distinguish between rheumatoid arthritis (RA) andsystemic lupus erythematosus (SLE). We first isolated a series of microparticle containing lipoproteindeficient fractions from patient and control plasma. There were no significant differences in thesize, structure or protein content of …
Structural Dynamics Of Inosine Triphosphate Pyrophosphatase (Itpa) Protein And Two Clinically Relevant Mutants: Molecular Dynamics Simulations, Yao Houndonougbo, Bethany Pugh, Kandise Vanwormer, Caitlin April, Nicholas Burgis
Structural Dynamics Of Inosine Triphosphate Pyrophosphatase (Itpa) Protein And Two Clinically Relevant Mutants: Molecular Dynamics Simulations, Yao Houndonougbo, Bethany Pugh, Kandise Vanwormer, Caitlin April, Nicholas Burgis
Chemistry and Biochemistry Faculty Publications
The inosine triphosphate pyrophosphatase (ITPA) protein is responsible for removing noncanonical purine nucleoside triphosphates from intracellular nucleotide pools. Absence of ITPA results in genomic instability and increased levels of inosine in DNA and RNA. The proline to threonine substitution at position 32 (P32T) affects roughly 15% of the global population and can modulate treatment outcomes for cancer, lupus, and hepatitis C patients. The substitution of arginine with cysteine at position 178 (R178C) is extremely uncommon and has only been reported in a small cohort of early infantile encephalopathy patients suggesting that a functional ITPA protein is required for life in …
Ile126his And Lys129his Surface Mutations Aid In Purification Of Haemophilus Influenzae Carbonic Anhydrase Through Increased Metal Ion Affinity, Timothy Rigdon, Kathleen Cornely
Ile126his And Lys129his Surface Mutations Aid In Purification Of Haemophilus Influenzae Carbonic Anhydrase Through Increased Metal Ion Affinity, Timothy Rigdon, Kathleen Cornely
Chemistry & Biochemistry Student Scholarship
Carbonic anhydrase (CA) is an enzyme that plays a major role in the survival of many bacterial, chiefly Haemophilus influenzae. Because of its crucial role in bacteria, recent research has turned to CA as a possible target for drug development to kill bacteria and possibly cure different bacterial diseases. While research has focused on this drug target, the isolation and purification of specific types of CA has remained a major obstacle for further research. The current method of immobilized metal affinity chromatography (IMAC) with a Ni-NTA column is used widely for CA purification; however, the H. influenzae carbonic anhydrase …
Antibiotic Drug Nanocarriers For Probing Of Multidrug Abc Membrane Transporter Of Bacillus Subtilis, Pavan Kumar Cherukuri, Preeyaporn Songkiatisak, Feng Ding, Jeam-Michel Jault, Xiao-Hong Nancy Xu
Antibiotic Drug Nanocarriers For Probing Of Multidrug Abc Membrane Transporter Of Bacillus Subtilis, Pavan Kumar Cherukuri, Preeyaporn Songkiatisak, Feng Ding, Jeam-Michel Jault, Xiao-Hong Nancy Xu
Chemistry & Biochemistry Faculty Publications
Multidrug membrane transporters can extrude a wide range of substrates, which cause multidrug resistance and ineffective treatment of diseases. In this study, we used three different sized antibiotic drug nanocarriers to study their size-dependent inhibitory effects against Bacillus subtilis. We functionalized 2.4 ± 0.7, 13.0 ± 3.1, and 92.6 ± 4.4 nm silver nanoparticles (Ag NPs) with a monolayer of 11-amino-1-undecanethiol and covalently linked them with antibiotics (ofloxacin, Oflx). The labeling ratios of antibiotics with NPs are 8.6 × 102, 9.4 × 103, and 6.5 × 105 Oflx molecules per NP, respectively. We designed …
A Review Of Small Molecule Inhibitors And Functional Probes Of Human Cathepsin L, Dibyendu Dana, Sanjai Kumar
A Review Of Small Molecule Inhibitors And Functional Probes Of Human Cathepsin L, Dibyendu Dana, Sanjai Kumar
Publications and Research
Human cathepsin L belongs to the cathepsin family of proteolytic enzymes with primarily an endopeptidase activity. Although its primary functions were originally thought to be only of a housekeeping enzyme that degraded intracellular and endocytosed proteins in lysosome, numerous recent studies suggest that it plays many critical and specific roles in diverse cellular settings. Not surprisingly, the dysregulated function of cathepsin L has manifested itself in several human diseases, making it an attractive target for drug development. Unfortunately, several redundant and isoform-specific functions have recently emerged, adding complexities to the drug discovery process. To address this, a series of chemical …
Life In A Rural Emergency Department: Patients Speak To Underlying, Fundamental Disparities In Physician And Resource Allocation, Jessica Gustad
Life In A Rural Emergency Department: Patients Speak To Underlying, Fundamental Disparities In Physician And Resource Allocation, Jessica Gustad
Honors Projects
In the Journal of Health Services Research and Policy, access to health care was defined as, “The availability of an adequate supply of health care services and the individual’s opportunity to obtain health care when it is wanted or needed” (MacKinney, 2014). Current trends in rural emergency departments are trying to communicate a critical message about the fundamental problems with the distribution of health care services in America today and the inability to properly meet the definition above. In rural communities, patient complaints and behaviors demonstrate the pressing concerns of inadequate access to primary care, limited specialty care, insufficient mental …
A Kinesin Adapter Directly Mediates Dendritic Mrna Localization During Neural Development In Mice, Hao Wu, Jing Zhou, Tianhui Zhu, Ivan Cohen, Jason Dictenberg
A Kinesin Adapter Directly Mediates Dendritic Mrna Localization During Neural Development In Mice, Hao Wu, Jing Zhou, Tianhui Zhu, Ivan Cohen, Jason Dictenberg
Publications and Research
Motor protein-based active transport is essential for mRNA localization and local translation in animal cells, yet how mRNA granules interact with motor proteins remains poorly understood. Using an unbiased yeast two–hybrid screen for interactions between murine RNA-binding proteins (RBPs) and motor proteins, here we identified protein interaction with APP tail-1 (PAT1) as a potential direct adapter between zipcode-binding protein 1 (ZBP1, a β-actin RBP) and the kinesin-I motor complex. The amino acid sequence of mouse PAT1 is similar to that of the kinesin light chain (KLC), and we found that PAT1 binds to KLC directly. Studying PAT1 in mouse …
Size-Dependent Interactions Of Lipid-Coated Gold Nanoparticles: Developing A Better Mechanistic Understanding Through Model Cell Membranes And In Vivo Toxicity, Arek M. Engstrom, Ryan A. Faase, Joe E. Baio, Marilyn R. Mackiewicz, Stacey L. Harper
Size-Dependent Interactions Of Lipid-Coated Gold Nanoparticles: Developing A Better Mechanistic Understanding Through Model Cell Membranes And In Vivo Toxicity, Arek M. Engstrom, Ryan A. Faase, Joe E. Baio, Marilyn R. Mackiewicz, Stacey L. Harper
Chemistry Faculty Publications and Presentations
Introduction: Humans are intentionally exposed to gold nanoparticles (AuNPs) where they are used in variety of biomedical applications as imaging and drug delivery agents as well as diagnostic and therapeutic agents currently in clinic and in a variety of upcoming clinical trials. Consequently, it is critical that we gain a better understanding of how physiochemical properties such as size, shape, and surface chemistry drive cellular uptake and AuNP toxicity in vivo. Understanding and being able to manipulate these physiochemical properties will allow for the production of safer and more efficacious use of AuNPs in biomedical applications.
Methods and Materials: Here, …