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Altering Oligomerization Of Epha2 Via Mutations In The Intracellular Domain, Ryan W. Lingerak 2018 The University of Akron

Altering Oligomerization Of Epha2 Via Mutations In The Intracellular Domain, Ryan W. Lingerak

Honors Research Projects

Eph receptor tyrosine kinases (RTKs) are activated by membrane-bound ligands called ephrins. Eph RTKs are divided into two subclasses, each activated by a specific classes of the ligand ephrin. The overexpression of Eph receptors is correlated to cancer cell metastasis in several different types of cancers. Studies with the EphA2 extracellular domain (ECD) and ephrinA1 ligand have shown that upon binding of ephrin to the receptor, EphA2 undergoes increased oligomerization and activation. This indicates that oligomerization is intimately connected to kinase activity. High resolution crystal structures of the EphA2 ECD have revealed some details of these ligand bound oligomers, as ...


Superresolution Imaging Identifies That Conventional Trafficking Pathways Are Not Essential For Endoplasmic Reticulum To Outer Mitochondrial Membrane Protein Transport., Kyle Salka, Shivaprasad Bhuvanendran, Kassandra Wilson, Petros Bozidis, Mansi Mehta, Kristin Rainey, Hiromi Sesaki, George H Patterson, Jyoti K. Jaiswal, Anamaris M. Colberg-Poley 2017 George Washington University

Superresolution Imaging Identifies That Conventional Trafficking Pathways Are Not Essential For Endoplasmic Reticulum To Outer Mitochondrial Membrane Protein Transport., Kyle Salka, Shivaprasad Bhuvanendran, Kassandra Wilson, Petros Bozidis, Mansi Mehta, Kristin Rainey, Hiromi Sesaki, George H Patterson, Jyoti K. Jaiswal, Anamaris M. Colberg-Poley

Genomics and Precision Medicine Faculty Publications

Most nuclear-encoded mitochondrial proteins traffic from the cytosol to mitochondria. Some of these proteins localize at mitochondria-associated membranes (MAM), where mitochondria are closely apposed with the endoplasmic reticulum (ER). We have previously shown that the human cytomegalovirus signal-anchored protein known as viral mitochondria-localized inhibitor of apoptosis (vMIA) traffics from the ER to mitochondria and clusters at the outer mitochondrial membrane (OMM). Here, we have examined the host pathways by which vMIA traffics from the ER to mitochondria and clusters at the OMM. By disruption of phosphofurin acidic cluster sorting protein 2 (PACS-2), mitofusins (Mfn1/2), and dynamin related protein 1 ...


About Logan Weihe And Beloved Microcosm, Logan M. Weihe 2017 University of Illinois at Chicago

About Logan Weihe And Beloved Microcosm, Logan M. Weihe

Steeplechase

No abstract provided.


Pam-1 Localizations In The Regulation Of Autophagy During Caenorhabditis Elegans Oogenesis, Ashley N. Munie 2017 Murray State University

Pam-1 Localizations In The Regulation Of Autophagy During Caenorhabditis Elegans Oogenesis, Ashley N. Munie

Steeplechase

Autophagy, the cell's recycling system, is a highly-conserved survival mechanism of the cell. Autophagy has been implicated in the mediation of the removal of cytotoxic aggregates, such as those linked to neurodegenerative disorders like Huntington and Alzheimer disease. Studies in several model organisms have identified numerous genes involved in mediating autophagy, including the Puromycin sensitive aminopeptidase (Psa). The Caenorhabditis elegans orthologue of Psa, pam-1, also governs fertility. Along with apoptosis, a form of regulated cell death, autophagy has been found to be required for efficient C. elegans oogenesis. When autophagy is suppressed through RNAi in worms harboring a pam-1 ...


Reverse-Genetic Analysis Of The Two Biotin-Containing Subunit Genes Of The Heteromeric Acetyl-Coenzyme A Carboxylase In Arabidopsis Indicates A Unidirectional Functional Redundancy, Xu Li, Hilal Ilarslan, Libuse Brachova, Hui-Rong Qian, Ling Li, Ping Che, Eve Syrkin Wurtele, Basil J. Nikolau 2017 Iowa State University

Reverse-Genetic Analysis Of The Two Biotin-Containing Subunit Genes Of The Heteromeric Acetyl-Coenzyme A Carboxylase In Arabidopsis Indicates A Unidirectional Functional Redundancy, Xu Li, Hilal Ilarslan, Libuse Brachova, Hui-Rong Qian, Ling Li, Ping Che, Eve Syrkin Wurtele, Basil J. Nikolau

Eve Wurtele

The heteromeric acetyl-coenzyme A carboxylase catalyzes the first and committed reaction of de novo fatty acid biosynthesis in plastids. This enzyme is composed of four subunits: biotin carboxyl-carrier protein (BCCP), biotin carboxylase, α-carboxyltransferase, and β-carboxyltransferase. With the exception of BCCP, single-copy genes encode these subunits in Arabidopsis (Arabidopsis thaliana). Reverse-genetic approaches were used to individually investigate the physiological significance of the two paralogous BCCP-coding genes, CAC1A (At5g16390, codes for BCCP1) and CAC1B (At5g15530, codes for BCCP2). Transfer DNA insertional alleles that completely eliminate the accumulation of BCCP2 have no perceptible effect on plant growth, development, and fatty acid accumulation. In ...


Genome Wide Co-Expression Among The Starch Debranching Enzyme Genes Atisa1, Atisa2, And Atisa3 In Arabidopsis Thaliana, Ling Li, Hilal Ilarslan, Martha G. James, Alan M. Myers, Eve Syrkin Wurtele 2017 Iowa State University

Genome Wide Co-Expression Among The Starch Debranching Enzyme Genes Atisa1, Atisa2, And Atisa3 In Arabidopsis Thaliana, Ling Li, Hilal Ilarslan, Martha G. James, Alan M. Myers, Eve Syrkin Wurtele

Eve Wurtele

Each of four starch debranching enzymes (DBE) is distinct and highly conserved across the plant kingdom; however, the specific functions of these proteins in carbohydrate metabolism are not well understood. DBEs function in both biosynthesis and degradation of starch, and two have been shown to function as multimers in various quarternary structures that can contain one or more DBE proteins, i.e. ISA1 homomultimers and ISA1/ISA2 heteromultimers. This study characterizes potential functional relationships between the three isoamylase-type DBE proteins (ISA) of Arabidopsis using a comprehensive bioinformatics analysis and promoter fusion approach to determine tissue-, subcellular-, and temporal specificity of ...


Materials And Method For Increasing A Plant's Resistance To Stress, Ling Li, Eve Syrkin Wurtele 2017 Iowa State University

Materials And Method For Increasing A Plant's Resistance To Stress, Ling Li, Eve Syrkin Wurtele

Eve Wurtele

Method of increasing resistance to a pathogen or a pest in a plant comprising introducing into the plant and expressing therein a polynucleotide comprising a nucleotide sequence encoding a Qua-Quine Starch (QQS) polypeptide; method of producing a plant with increased resistance to a pathogen or a pest comprising crossing a plant obtained in accordance with the above method with a second plant to produce progeny plants and selecting progeny plants with increased resistance to a pathogen or a pest; a plant with increased resistance to a pathogen or a pest; a seed of the plant; a hybrid of the plant ...


Materials And Method For Modifying A Biochemical Component In A Plant, Ling Li, Eve Syrkin Wurtele 2017 Iowa State University

Materials And Method For Modifying A Biochemical Component In A Plant, Ling Li, Eve Syrkin Wurtele

Eve Wurtele

A method of modifying the amount of at least one biochemical component in a plant comprising expressing Qua-Quine Starch (QQS) in the plant, the wild-type of which does not express QQS; a transgenic plant, or part thereof, which comprises and expresses QQS as a transgene and in which the amount of at least one biochemical component is modified; a tissue culture of regenerable cells of the transgenic plant; a vector comprising a nucleotide sequence, which encodes the coding sequence of QQS, operably linked to a non-native promoter, which promotes expression of the nucleotide sequence in a plant, which is other ...


Jennifer Maurer Phd Thesis.Pdf, Jennifer Maurer 2017 University of Massachusetts Medical School

Jennifer Maurer Phd Thesis.Pdf, Jennifer Maurer

Jennifer Maurer


Signaling cascades, such as the extracellular signal-regulated kinase (ERK) pathway, play vital roles in early vertebrate development. Signals through these pathways are initiated by a growth factor or hormone, are transduced through a kinase cascade, and result in the expression of specific downstream genes that promote cellular proliferation, growth, or differentiation.Tight regulation of these signals is provided by positive or negative modulators at varying levels in the pathway, and is required for proper development and function. Two members of the dual-specificity phosphatase (Dusp) family, dusp6 and dusp2, are believed to be negative regulators of the ERK pathway and are ...


Intracellular Signaling And Trafficking In Cancer: Role Of Rab5-Gtpase In Migration And Invasion Of Breast Cells, Nicole Porther 2017 Biological Sciences

Intracellular Signaling And Trafficking In Cancer: Role Of Rab5-Gtpase In Migration And Invasion Of Breast Cells, Nicole Porther

Nicole Porther

Metastasis is characterized pathologically by uncontrolled cell invasion, proliferation, migration and angiogenesis. Steroid hormones, such as estrogen, and growth factors, which include insulin growth factor I/II (IGF-1/IGF-2) therapy has been associated with most if not all of the features of metastasis. It has been determined that IGF-1 increases cell survival of cancer cells and potentiate the effect of E2 and other ligand growth factors on breast cancer cells. However not much information is available that comprehensively expounds on the roles of insulin growth factor receptor (IGFR) and Rab GTPases may play in breast cancer. The latter, Rab GTPases ...


Investigation Of Moringa Oleifera Leaf Extract And Its Cancer-Selective Antiproliferative Properties, Reagen H. Welch, Ashlee H. Tietje 2017 Southern Wesleyan University

Investigation Of Moringa Oleifera Leaf Extract And Its Cancer-Selective Antiproliferative Properties, Reagen H. Welch, Ashlee H. Tietje

Journal of the South Carolina Academy of Science

Moringa oleifera is a tree native to a number of Asian, African, and Central American countries and has been used in traditional medicine for an assortment of medicinal uses for centuries. Due to bioactive compounds within Moringa leaves, it is believed that Moringa leaf extract may possess cancer-selective antiproliferative properties. Previous research has been conducted in regards to this topic, but poor experimental design due to lack of necessary controls limits the legitimacy of anticancer claims. While previous research has shown that Moringa leaf extract has the potential to kill cancer cells, the research fails to demonstrate the effects of ...


Optimizing Sperm Collection Procedures In Zebrafish, Madelyn B. Wasden, Rachel L. Roberts, April DeLaurier 2017 University of South Carolina Aiken

Optimizing Sperm Collection Procedures In Zebrafish, Madelyn B. Wasden, Rachel L. Roberts, April Delaurier

Journal of the South Carolina Academy of Science

Zebrafish are a highly-valued model organism used for developmental biology research. Zebrafish can be used for genetic manipulation and hence, many mutant and transgenic lines exist. It is impractical to maintain lines of adult zebrafish, due to resource constraints and the need to continuously produce new generations. Therefore, a practical way to preserve zebrafish lines is to freeze sperm and retrieve lines using in vitro fertilization of fresh eggs. Most existing in vitro protocols used by research labs have a wide variety of fertilization rates (ranging from 0% to >90%). Due to this variability, lines may be at risk of ...


Gm 20171023m Lsm510meta Convallaria Slide Spectra.Zip, George McNamara 2017 M.D. Anderson Cancer Center

Gm 20171023m Lsm510meta Convallaria Slide Spectra.Zip, George Mcnamara

George McNamara

Convallaria (lily of the valley 'tissue' section) acquired on 11 year old Zeiss LSM510META confocal microscope. ZIP file containing .LSM files whose filenames indicate the data.

Preceding dataset is same microscope slide specimen acquired with Leica SP8 confocal microscope (.LIF container file). https://works.bepress.com/gmcnamara/79


Gm Sp8 20171019thu Convallaria Spectra.Lif, George McNamara 2017 M.D. Anderson Cancer Center

Gm Sp8 20171019thu Convallaria Spectra.Lif, George Mcnamara

George McNamara

Convallaria (lily of the valley) "tissue" section acquired on Leica SP8 confocal microscope with various settings explained in the image names. The uploaded LIF file is the Leica "container" file.

Next upload is Zeiss LSM510META spectral datasets (in a 'container' ZIP file) from the same slide.This LSM510META is 11 years old and has seen "better days" (we have an NIH S10 proposal in to replace it as the main confocal microscope in our image core since the SP8 is owned and majorly used by another dept and is just managed by us).

This Convallaria slide has Leica logo on ...


Primary Cilium-Dependent Signaling Mechanisms, Rajasekharreddy Pala, Nedaa Alomari, Surya M. Nauli 2017 Chapman University

Primary Cilium-Dependent Signaling Mechanisms, Rajasekharreddy Pala, Nedaa Alomari, Surya M. Nauli

Pharmacy Faculty Articles and Research

Primary cilia are hair-like organelles and play crucial roles in vertebrate development, organogenesis, health, and many genetic disorders. A primary cilium is a mechano-sensory organelle that responds to mechanical stimuli in the micro-environment. A cilium is also a chemosensor that senses chemical signals surrounding a cell. The overall function of a cilium is therefore to act as a communication hub to transfer extracellular signals into intracellular responses. Although intracellular calcium has been one of the most studied signaling messengers that transmit extracellular signals into the cells, calcium signaling by various ion channels remains a topic of interest in the field ...


Alcohol Consumption Impairs The Ependymal Cilia Motility In The Brain Ventricles, Alzahra J. Al Omran, Hannah C. Saternos, Yusuf S. Althobaiti, Alexander Wisner, Youssef Sari, Surya M. Nauli, Wissam A. AbouAlaiwi 2017 University of Toledo

Alcohol Consumption Impairs The Ependymal Cilia Motility In The Brain Ventricles, Alzahra J. Al Omran, Hannah C. Saternos, Yusuf S. Althobaiti, Alexander Wisner, Youssef Sari, Surya M. Nauli, Wissam A. Aboualaiwi

Pharmacy Faculty Articles and Research

Ependymal cilia protrude into the central canal of the brain ventricles and spinal cord to circulate the cerebral spinal fluid (CSF). Ependymal cilia dysfunction can hinder the movement of CSF leading to an abnormal accumulation of CSF within the brain known as hydrocephalus. Although the etiology of hydrocephalus was studied before, the effects of ethanol ingestion on ependymal cilia function have not been investigated in vivo. Here, we report three distinct types of ependymal cilia, type-I, type-II and type-III classified based upon their beating frequency, their beating angle, and their distinct localization within the mouse brain-lateral ventricle. Our studies show ...


Myoblasts And Macrophages Are Required For Therapeutic Morpholino Antisense Oligonucleotide Delivery To Dystrophic Muscle., James S Novak, Marshall W Hogarth, Jessica F Boehler, Marie Nearing, Maria C Vila, Raul Heredia, Alyson A Fiorillo, Aiping Zhang, Yetrib Hathout, Eric P Hoffman, Jyoti K Jaiswal, Kanneboyina Nagaraju, Sebahattin Cirak, Terence A Partridge 2017 George Washington University

Myoblasts And Macrophages Are Required For Therapeutic Morpholino Antisense Oligonucleotide Delivery To Dystrophic Muscle., James S Novak, Marshall W Hogarth, Jessica F Boehler, Marie Nearing, Maria C Vila, Raul Heredia, Alyson A Fiorillo, Aiping Zhang, Yetrib Hathout, Eric P Hoffman, Jyoti K Jaiswal, Kanneboyina Nagaraju, Sebahattin Cirak, Terence A Partridge

Pediatrics Faculty Publications

Exon skipping is a promising therapeutic strategy for Duchenne muscular dystrophy (DMD), employing morpholino antisense oligonucleotides (PMO-AO) to exclude disruptive exons from the mutant DMD transcript and elicit production of truncated dystrophin protein. Clinical trials for PMO show variable and sporadic dystrophin rescue. Here, we show that robust PMO uptake and efficient production of dystrophin following PMO administration coincide with areas of myofiber regeneration and inflammation. PMO localization is sustained in inflammatory foci where it enters macrophages, actively differentiating myoblasts and newly forming myotubes. We conclude that efficient PMO delivery into muscle requires two concomitant events: first, accumulation and retention ...


Heads And Tails, Julie Simons 2017 The California Maritime Academy

Heads And Tails, Julie Simons

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


Modeling Cdc42 Oscillation In Fission Yeast, Bin Xu 2017 Illinois State University

Modeling Cdc42 Oscillation In Fission Yeast, Bin Xu

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


Modeling Microtubule-Based Transport In The Frog Egg Cell, Maria-Veronica Ciocanel 2017 Mathematical Biosciences Institute at OSU

Modeling Microtubule-Based Transport In The Frog Egg Cell, Maria-Veronica Ciocanel

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


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