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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 151 - 178 of 178
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Evaluating The Role Of Evolutionarily Conserved Regions Of Ledgf/P75 In Hiv-1 Infection, Jose Adrian Garcia
Evaluating The Role Of Evolutionarily Conserved Regions Of Ledgf/P75 In Hiv-1 Infection, Jose Adrian Garcia
Open Access Theses & Dissertations
LEDGF/p75 is an important cellular co-factor for lentiviral integration. LEDGF/p75-deficient cells are markedly resistant to HIV-1 infection and re-expression of the wild type protein rescues infectivity. Although the molecular mechanism of LEDGF/p75 in HIV-1 integration is not yet known, this co-factor activity requires the interaction of LEDGF/p75 with both the host chromatin and viral integrase. In order to evaluate the involvement of other LEDGF/p75 regions in HIV-1 infection we constructed a panel of deletion mutants targeting clusters of charged residues that are evolutionarily conserved and predicted to be post-translationally modified. These mutants were evaluated for their ability to rescue HIV-1 …
Interactions Of The Cellular Sumoylation System With Influenza A Virus And Its Non-Structural Protein Ns1a (Ns1a), Sangita Pal
Interactions Of The Cellular Sumoylation System With Influenza A Virus And Its Non-Structural Protein Ns1a (Ns1a), Sangita Pal
Open Access Theses & Dissertations
The most important current anti-influenza weapons, vaccination and antiviral drugs, can be rapidly rendered fully ineffective thanks to the virus's high mutational rate, which produces viruses exhibiting new antigenic properties and structural proteins insensitive to the drug's mechanism of action. One attractive alternative is to develop drugs that modulate the activity of cellular systems either required for viral growth or able to neutralize viral growth. Here we demonstrate that the cellular SUMOylation system, a post-translational modification involving the conjugation of the Small Ubiquitin-like MOdifier (SUMO) to specific protein targets using a Ubiquitin-like enzymatic cascade, interacts closely with influenza virus during …
A Specific Regulatory Role For Sgtα On The Maturation And Activation Of Steroid Hormone Receptors, Atanu Paul
A Specific Regulatory Role For Sgtα On The Maturation And Activation Of Steroid Hormone Receptors, Atanu Paul
Open Access Theses & Dissertations
Steroid hormone receptors (SHRs) are ligand-dependent transcription factors belonging to the nuclear receptor superfamily. These receptors regulate various physiological functions in higher ordered eukaryotes. In the absence of hormone these receptors form a complex with molecular chaperones such as Hsp90 and Hsp70 and other cochaperones in the cytoplasm. Association with the Hsp90-Hsp70 chaperone machinery leads to the maturation of the Ligand Binding Domain (LBD) of the receptors and enables the receptors to bind hormone with high affinity. Upon binding with a specific hormone the receptors are translocated into the nucleus where they initiate transcription of specific genes. Although the involvement …
Computer Aided Drug Design Methods & Quantitative Structure-Activity/Property Relationships, Suman Sirimulla
Computer Aided Drug Design Methods & Quantitative Structure-Activity/Property Relationships, Suman Sirimulla
Open Access Theses & Dissertations
The first part of dissertation consists of development of a QSAR model for 229 mutagenic aromatic amines and a QSPR model of partial molar volumes of amino acids. A common procedure for QSAR analysis consist of data selection (generally sets of homologous series of compounds and their corresponding biological activities), tabulation of trial physicochemical or molecular structural descriptors, followed by a multilinear statistical analysis to derive a statistically valid QSAR correlation of the activity data making use of a subset of the trial descriptors. A final important step is cross-validation to assess the putative predictive (rather than just correlative) capabilities …
Nerve, Muscle, Blood, Toil, Tears, And Sweat: England’S Pioneering Biophysicist, Soldier, And Statesman, Arshad Khan
Nerve, Muscle, Blood, Toil, Tears, And Sweat: England’S Pioneering Biophysicist, Soldier, And Statesman, Arshad Khan
Selected Works Temporary Series
No abstract provided.
Nerve, Muscle, Blood, Toil, Tears, And Sweat: England’S Pioneering Biophysicist, Soldier, And Statesman, Khan
Departmental Papers (Biology)
No abstract provided.
Lipid Uptake And Metabolism In The Parasitic Protozoan Giardia Lamblia., Mayte Yichoy
Lipid Uptake And Metabolism In The Parasitic Protozoan Giardia Lamblia., Mayte Yichoy
Open Access Theses & Dissertations
Giardia lamblia is a protozoan parasite that causes various intestinal syndromes, and it is a common cause of water-borne illness worldwide, both in developed and developing countries. Giardia attaches to the mucosal epithelia of the duodenum below the bile duct, where it is exposed to bile salts and dietary lipids. G. lamblia is unable to synthesize lipids de novo and must therefore scavenge necessary lipids from its extracellular environment and remodel them as needed. However, the current lipidomic analysis (presented in this Dissertation) has revealed that while the Giardia lipidome is rich in phosphatidylcholine (PC), phosphatidylethanolamine (PE), and phosphatidylglycerol (PG), …
The Role Of Protein Disulfide Isomerase (Pdi) In Oxidative Folding, Veronica Gonzalez
The Role Of Protein Disulfide Isomerase (Pdi) In Oxidative Folding, Veronica Gonzalez
Open Access Theses & Dissertations
Protein Disulfide Isomerase is a highly evolved oxidoreductase enzyme that has the capability of oxidizing, reducing, and isomerizing disulfides in substrate. PDI is organized into several domains denoted a, b, b', a' and c. These domains are believed to have different functions but all must be present for full PDI activity. In this manuscript we recorded the ability of PDI b' to catalyze oxidative folding in fully reduced RNase A. We also examined competition between thiol-disulfide shuffling and conformational folding by PDI. This competition creates a rough effect of a highly efficient enzyme in two different substrates: RNase A and …
Giardia Lamblia: Genomic And Molecular Analyses Of Flippase, Diana Leticia Villazana-Kretzer
Giardia Lamblia: Genomic And Molecular Analyses Of Flippase, Diana Leticia Villazana-Kretzer
Open Access Theses & Dissertations
Giardia lamblia, is an intestinal protozoan parasite responsible as a major cause of water-borne intestinal infection in humans (giardiasis). It has been proposed earlier that Giardia has limited lipid synThesis ability and therefore relies on preformed lipid molecules from outside sources. It has also been proposed that lipids are taken up through passive and active transport, and giardial flippasse play a significant role in this process. This study describes the identification and characterization of a putative homologue of flippase gene from Giardia. Flippase is an enzyme that functions as a trans-bilayer transport system facilitating the flip flop diffusion of phospholipids …
Molecular Characterization Of Trypanosoma Cruzi And Shed Vesicle Components Involved In Host Immunomodulation And Cell Invasion, Ernesto Satoshi Nakayasu
Molecular Characterization Of Trypanosoma Cruzi And Shed Vesicle Components Involved In Host Immunomodulation And Cell Invasion, Ernesto Satoshi Nakayasu
Open Access Theses & Dissertations
Chagas disease caused by Trypanosoma cruzi is a devastating infectious disease with millions of cases in Latin America, and recently became a public health concern in United States and Europe. Although many efforts have been made for the development of an effective immunotherapy, currently there is no human vaccine for Chagas disease. Thus, the treatment is based only on two drugs that have limited efficacy and in some cases present severe side effects. One restriction for the rational approach to develop new therapies against this disease is the limited information about the proteins, glycolipids and protein posttranslational modifications expressed by …
A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Lori Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts
A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Lori Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts
Selected Works Temporary Series
No abstract provided.
A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts
A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts
Departmental Papers (Biology)
No abstract provided.
Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Arshad Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts
Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Arshad Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts
Selected Works Temporary Series
No abstract provided.
Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts
Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts
Departmental Papers (Biology)
No abstract provided.
Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Alan Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner
Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Alan Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner
Selected Works Temporary Series
No abstract provided.
Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner
Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner
Departmental Papers (Biology)
No abstract provided.
Lateral Hypothalamic Signaling Mechanisms Underlying Feeding Stimulation: Differential Contributions Of Src Family Tyrosine Kinases To Feeding Triggered Either By Nmda Injection Or By Food Deprivation, Arshad Khan, Herman Cheung, Elizabeth Gillard, Jennifer Palarca, Derek Welsbie, James Gurd, B. Stanley
Lateral Hypothalamic Signaling Mechanisms Underlying Feeding Stimulation: Differential Contributions Of Src Family Tyrosine Kinases To Feeding Triggered Either By Nmda Injection Or By Food Deprivation, Arshad Khan, Herman Cheung, Elizabeth Gillard, Jennifer Palarca, Derek Welsbie, James Gurd, B. Stanley
Selected Works Temporary Series
No abstract provided.
Lateral Hypothalamic Signaling Mechanisms Underlying Feeding Stimulation: Differential Contributions Of Src Family Tyrosine Kinases To Feeding Triggered Either By Nmda Injection Or By Food Deprivation, Khan, Herman Cheung, Elizabeth Gillard, Jennifer Palarca, Derek Welsbie, James Gurd, B. Stanley
Lateral Hypothalamic Signaling Mechanisms Underlying Feeding Stimulation: Differential Contributions Of Src Family Tyrosine Kinases To Feeding Triggered Either By Nmda Injection Or By Food Deprivation, Khan, Herman Cheung, Elizabeth Gillard, Jennifer Palarca, Derek Welsbie, James Gurd, B. Stanley
Departmental Papers (Biology)
No abstract provided.
Intravenous 2-Deoxy-D-Glucose Injection Rapidly Elevates Levels Of The Phosphorylated Forms Of P44/42 Mitogen-Activated Protein Kinases (Extracellularly Regulated Kinases 1/2) In Rat Hypothalamic Parvicellular Paraventricular Neurons, Arshad Khan, Alan Watts
Selected Works Temporary Series
No abstract provided.
Intravenous 2-Deoxy-D-Glucose Injection Rapidly Elevates Levels Of The Phosphorylated Forms Of P44/42 Mitogen-Activated Protein Kinases (Extracellularly Regulated Kinases 1/2) In Rat Hypothalamic Parvicellular Paraventricular Neurons, Khan, Alan Watts
Departmental Papers (Biology)
No abstract provided.
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Arshad Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Arshad Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
Selected Works Temporary Series
No abstract provided.
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
Departmental Papers (Biology)
No abstract provided.
Lateral Hypothalamic Nmda Receptor Subunits Nr2a And/Or Nr2b Mediate Eating: Immunochemical/Behavioral Evidence, Arshad Khan, Margarita Curras, Jennifer Dao, Faizi Jamal, Rishi Goel, Elizabeth Gillard, Stefany Wolfsohn, B. Stanley
Lateral Hypothalamic Nmda Receptor Subunits Nr2a And/Or Nr2b Mediate Eating: Immunochemical/Behavioral Evidence, Arshad Khan, Margarita Curras, Jennifer Dao, Faizi Jamal, Rishi Goel, Elizabeth Gillard, Stefany Wolfsohn, B. Stanley
Selected Works Temporary Series
No abstract provided.
Lateral Hypothalamic Nmda Receptor Subunits Nr2a And/Or Nr2b Mediate Eating: Immunochemical/Behavioral Evidence, Khan, Margarita Curras, Jennifer Dao, Faizi Jamal, Rishi Goel, Elizabeth Gillard, Stefany Wolfsohn, B. Stanley
Lateral Hypothalamic Nmda Receptor Subunits Nr2a And/Or Nr2b Mediate Eating: Immunochemical/Behavioral Evidence, Khan, Margarita Curras, Jennifer Dao, Faizi Jamal, Rishi Goel, Elizabeth Gillard, Stefany Wolfsohn, B. Stanley
Departmental Papers (Biology)
No abstract provided.
The Second Messenger Camp Elicits Eating By An Anatomically Specific Action In The Perifornical Hypothalamus, Elizabeth Gillard, Arshad Khan, Rickinder Grewal, Bara Mouradi, Stefany Wolfsohn, B. Stanley
The Second Messenger Camp Elicits Eating By An Anatomically Specific Action In The Perifornical Hypothalamus, Elizabeth Gillard, Arshad Khan, Rickinder Grewal, Bara Mouradi, Stefany Wolfsohn, B. Stanley
Selected Works Temporary Series
No abstract provided.
The Second Messenger Camp Elicits Eating By An Anatomically Specific Action In The Perifornical Hypothalamus, Gillard, Arshad Khan, Rickinder Grewal, Bara Mouradi, Stefany Wolfsohn, B. Stanley
The Second Messenger Camp Elicits Eating By An Anatomically Specific Action In The Perifornical Hypothalamus, Gillard, Arshad Khan, Rickinder Grewal, Bara Mouradi, Stefany Wolfsohn, B. Stanley
Departmental Papers (Biology)
No abstract provided.
Eating Induced By Perifornical Camp Is Behaviorally Selective And Involves Protein Kinase Activity, Elizabeth Gillard, Arshad Khan, Bara Mouradi, Omkar Nalamwar, B. Stanley
Eating Induced By Perifornical Camp Is Behaviorally Selective And Involves Protein Kinase Activity, Elizabeth Gillard, Arshad Khan, Bara Mouradi, Omkar Nalamwar, B. Stanley
Selected Works Temporary Series
No abstract provided.
Eating Induced By Perifornical Camp Is Behaviorally Selective And Involves Protein Kinase Activity, Gillard, Arshad Khan, Bara Mouradi, Omkar Nalamwar, B. Stanley
Eating Induced By Perifornical Camp Is Behaviorally Selective And Involves Protein Kinase Activity, Gillard, Arshad Khan, Bara Mouradi, Omkar Nalamwar, B. Stanley
Departmental Papers (Biology)
No abstract provided.