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Articles 1 - 30 of 98
Full-Text Articles in Life Sciences
A Motivational Climate Intervention And Exercise-Related Outcomes: A Longitudinal Perspective, Theresa C. Brown, Mary D. Fry, E. Whitney Moore
A Motivational Climate Intervention And Exercise-Related Outcomes: A Longitudinal Perspective, Theresa C. Brown, Mary D. Fry, E. Whitney Moore
Kinesiology, Health and Sport Studies
While researchers have suggested that the social context in exercise settings is linked to individuals’ physical activity motivation and potential exercise-related outcomes, few research designs have examined the nuance of those relationships. Moreover, interventions targeting the social context of exercise settings are sparse, so the potential impact of staff training on members’ motivation to exercise are not well known. Drawing from two major motivation theories, achievement goal perspective theory and self-determination theory, this study considered an intervention with fitness center staff from the members’ perspectives. Members completed a survey before and after an intervention designed to help staff create a …
Evolution, Function And Deconstructing Histories: A New Generation Of Anthropological Genetics, Omer Gokcumen
Evolution, Function And Deconstructing Histories: A New Generation Of Anthropological Genetics, Omer Gokcumen
Human Biology Open Access Pre-Prints
Introduction to the Special Issue, mainly based on contributions by the speakers in the 2016 AAAG symposium, “Ancient alleles in modern populations: Ancient structure, introgression, and variation-maintaining adaptive forces.”
Genetic Differentiation In A Sample From Northern Mexico City Detected By Hla System Analysis: Impact In The Study Of Population Immunogenetics, Eva D. JuáRez CortéS, Miguel A. Contreras Sieck, AgustíN J. Arriaga Perea, Rosa M. MacíAs Medrano, Anaí Balbuena Jaime, Paola Everardo MartíNez, JoaquíN ZúÑIga, VíCtor AcuñA Alonzo, Julio Granados, Rodrigo Barquera
Genetic Differentiation In A Sample From Northern Mexico City Detected By Hla System Analysis: Impact In The Study Of Population Immunogenetics, Eva D. JuáRez CortéS, Miguel A. Contreras Sieck, AgustíN J. Arriaga Perea, Rosa M. MacíAs Medrano, Anaí Balbuena Jaime, Paola Everardo MartíNez, JoaquíN ZúÑIga, VíCtor AcuñA Alonzo, Julio Granados, Rodrigo Barquera
Human Biology Open Access Pre-Prints
The major histocompatibility complex is directly involved in the immune response and thus the genes coding for its proteins are useful markers for the study of genetic diversity, susceptibility to disease (autoimmunity and infections), transplant medicine, and pharmacogenetics, among others. The polymorphism of the system also allows researchers to use it as a proxy for population genetics analysis, such as genetic admixture and genetic structure. In order to determine the immunogenetic characteristics of a sample from the northern part of Mexico City and to use them to analyze the genetic differentiation from other admixed populations, including those from previous studies …
Chaco Canyon Dig Unearths Ethical Concerns, Katrina G. Claw, Dorothy Lippert, Jessica Bardill, Anna Cordova, Keolu Fox, Joseph M. Yracheta, Alyssa C. Bader, Deborah A. Bolnick, Ripan S. Malhi, Kimberly Tallbear, Nanibaa' A. Garrison
Chaco Canyon Dig Unearths Ethical Concerns, Katrina G. Claw, Dorothy Lippert, Jessica Bardill, Anna Cordova, Keolu Fox, Joseph M. Yracheta, Alyssa C. Bader, Deborah A. Bolnick, Ripan S. Malhi, Kimberly Tallbear, Nanibaa' A. Garrison
Human Biology Open Access Pre-Prints
The field of paleogenomics (the study of ancient genomes) is rapidly advancing with more robust methods of isolating ancient DNA and increasing access to next-generation DNA sequencing technology. As these studies progress, many important ethical issues have emerged that should be considered when ancient Native American remains, whom we refer to as ancestors, are used in research. We highlight a recent article by Kennett et al. (2017), “Archaeogenomic evidence reveals prehistoric matrilineal dynasty,” that brings several ethical issues to light that should be addressed in paleogenomics research (Kennett et al. 2017). The study helps elucidate the matrilineal relationships in ancient …
Leveraging Multiple Populations Across Time Helps Define Accurate Models Of Human Evolution: A Reanalysis Of The Lactase Persistence Adaptation, Chenling Xu Antelope, Davide Marnetto, Fergal Casey, Emilia Huerta-Sanchez
Leveraging Multiple Populations Across Time Helps Define Accurate Models Of Human Evolution: A Reanalysis Of The Lactase Persistence Adaptation, Chenling Xu Antelope, Davide Marnetto, Fergal Casey, Emilia Huerta-Sanchez
Human Biology Open Access Pre-Prints
Access to a geographically diverse set of modern human samples from the present time and from ancient remains, combined with archaic hominin samples, provides an unprecedented level of resolution to study both human history and adaptation. The amount and quality of ancient human data continues to improve, and enables tracking the trajectory of genetic variation over time. These data have the potential to help us redefine or generate new hypotheses of how human evolution occurred, and revise previous conjectures. In this review, we argue that leveraging all these data will help us better detail adaptive histories in humans. As a …
Introgression Makes Waves In Inferred Histories Of Effective Population Size, John Hawks
Introgression Makes Waves In Inferred Histories Of Effective Population Size, John Hawks
Human Biology Open Access Pre-Prints
Human populations have a complex history of introgression and of changing population size. Human genetic variation has been affected by both these processes, so that inference of past population size depends upon the pattern of gene flow and introgression among past populations. One remarkable aspect of human population history as inferred from genetics is a consistent “wave” of larger effective population size, found in both African and non-African populations, that appears to reflect events prior to the last 100,000 years. Here I carry out a series of simulations to investigate how introgression and gene flow from genetically divergent ancestral populations …
Relationship Between Health Risk And School Attendance Among Adolescents, Erin E. Centeio, Jessica Duncan Cance, Jeanne M. Barcelon, Darla M. Castelli
Relationship Between Health Risk And School Attendance Among Adolescents, Erin E. Centeio, Jessica Duncan Cance, Jeanne M. Barcelon, Darla M. Castelli
Kinesiology, Health and Sport Studies
Background/Purpose: The prevalence of childhood obesity and school truancy are contemporary health issues, as millions of children do not attend school, when required. The purpose of this study was to determine the association between intent to be physically active, aerobic fitness, and school absences. Methods: Data from 1907 adolescents from the United States were collected during physical education. Participants completed a valid Theory of Planned Behavior survey and the FitnessGram, with the demographic data obtained from school records. Linear regressions controlling for gender, grade, free/reduced lunch, body mass index, and intent to be physically active were calculated. Results …
Infectious Disease And The Diversification Of The Human Genome, Jessica F. Brinkworth
Infectious Disease And The Diversification Of The Human Genome, Jessica F. Brinkworth
Human Biology Open Access Pre-Prints
The human immune system is under great pathogen-mediated selective pressure. A combination of divergent infectious disease pathogenesis across human populations, and the overrepresentation of “immune genes” in genomic regions with signatures of positive selection suggests that pathogens have significantly altered the human genome. However, important features of the human immune system can confound searches for and interpretations of signatures of pathogen-mediated evolution. Immune system redundancy, immune gene pleiotropy, host ability to acquire immunity and alter the immune repertoire of their offspring through “priming”, and host microbiome complicate evolutionary interpretations of host- pathogen interactions. The overall promiscuity and sensitivity of the …
The Interommatidial Bristle Variability Of Diptera, Kimberly Palmer
The Interommatidial Bristle Variability Of Diptera, Kimberly Palmer
Honors College Theses
Insects of the order Diptera are a popular biological model for understanding morphological trait evolution. One area of particular interest is the development of the compound eyes. While the development of ommatidia and photoreceptors has been thoroughly studied in this case, little attention has been paid to the interommatidial bristles (IOBs) present on the eyes of some dipteran families. A preliminary survey suggested that these bristles exhibit high variability among IOB families on multiple taxonomic levels and are not uniformly present or absent in any suborder of the Diptera. To confirm this observation, I conducted a literature search to …
The Have And Have Nots: An Ever-Present Digital Divide, Erin E. Centeio
The Have And Have Nots: An Ever-Present Digital Divide, Erin E. Centeio
Kinesiology, Health and Sport Studies
This article brings attention to the digital divide that still exists between those who have access to the most recent technologies and those who do not. It describes how teachers can be more aware of this challenge before incorporating the use of technology into physical education and health classrooms.
Youth Program Adult Leader's Directive Assistance And Autonomy Support And Development Of Adolescents’ Agency Capacity, David Hansen, E. Whitney Moore, Nadia Jessop
Youth Program Adult Leader's Directive Assistance And Autonomy Support And Development Of Adolescents’ Agency Capacity, David Hansen, E. Whitney Moore, Nadia Jessop
Kinesiology, Health and Sport Studies
Developing a capacity for exercising agency is an important developmental task of adolescence. Many organized youth programs provide adolescents opportunities to build their capacity to exercise agency. The researchers tested hypotheses that adult youth program leader's directive assistance and autonomy support would promote adolescents’ capacity for agency. They surveyed 441 high school adolescents and 11 adult advisors from 10 Future Farmers of America chapters twice over 2 years. Adolescents self‐reported on their capacity for agency and advisors reported on each adolescent's capacity. Directive assistance and autonomy support correlated with the capacity for agency within both time points. Only autonomy support …
Using Yoga To Reduce Stress And Bullying Behaviors Among Urban Youth, Erin E. Centeio, Laurel Whalen, Erica Thomas, Noel Kulik, Nate Mccaughtry
Using Yoga To Reduce Stress And Bullying Behaviors Among Urban Youth, Erin E. Centeio, Laurel Whalen, Erica Thomas, Noel Kulik, Nate Mccaughtry
Kinesiology, Health and Sport Studies
Background/Purpose: Obesity and secondary conditions continue to disproportionally affect the health of children living in urban areas. Studies show that a lack of resources and physical activity-unfriendly communities discourage 60 minutes of daily activity, including strengthening exercises, as recommended by the Centers for Disease Control and Prevention. Using Social Ecological theory, the purpose of this study was to examine the multi-level influences of a yoga-based intervention on urban, inner city youth. Method: Using a mixed-methods design, ninety-three 3 - 5th grade students at five urban elementary schools participated in a ten-week yoga intervention. Analysis/Results: RM-ANOVA results …
Phosphorylation Of Cytochrome C Threonine 28 Regulates Electron Transport Chain Activity In Kidney: Implications For Amp Kinase, Gargi Mahapatra, Ashwathy Varughese, Qinqin Ji, Icksoo Lee, Jenney Liu, Asmita Vaishnav, Christopher Sinkler, Alexandr A. Kapralov, Carlos T. Moraes, Thomas H. Sanderson, Timothy L. Stemmler, Lawrence I. Grossman, Valerian E. Kagan, Joseph S. Brunzelle, Arthur R. Salomon, Brian Fp Edwards, Maik HüTtemann
Phosphorylation Of Cytochrome C Threonine 28 Regulates Electron Transport Chain Activity In Kidney: Implications For Amp Kinase, Gargi Mahapatra, Ashwathy Varughese, Qinqin Ji, Icksoo Lee, Jenney Liu, Asmita Vaishnav, Christopher Sinkler, Alexandr A. Kapralov, Carlos T. Moraes, Thomas H. Sanderson, Timothy L. Stemmler, Lawrence I. Grossman, Valerian E. Kagan, Joseph S. Brunzelle, Arthur R. Salomon, Brian Fp Edwards, Maik HüTtemann
Biochemistry and Molecular Biology Faculty Publications
Mammalian cytochrome c (Cytc) plays a key role in cellular life and death decisions, functioning as an electron carrier in the electron transport chain and as a trigger of apoptosis when released from the mitochondria. However, its regulation is not well understood. We show that the major fraction of Cytc iso- lated from kidneys is phosphorylated on Thr28, leading to a par- tial inhibition of respiration in the reaction with cytochrome c oxidase. To further study the effect of Cytc phosphorylation in vitro, we generated T28E phosphomimetic Cytc, revealing supe- rior behavior regarding protein stability and its ability to degrade …
Implementing Comprehensive School Physical Activity Programs: A Wayne State University Case Study, Erin E. Centeio, Nate Mccaughtry
Implementing Comprehensive School Physical Activity Programs: A Wayne State University Case Study, Erin E. Centeio, Nate Mccaughtry
Kinesiology, Health and Sport Studies
Comprehensive school physical activity programs (CSPAPs) have been highlighted by numerous public health and education agencies for their potential to improve the health and academic achievement of American youth. A CSPAP integrates physical activity throughout the school environment before, during and after school by engaging educators, children, families and community organizations. As the design, implementation and evaluation of effective CSPAP programs has inched forward, so has the call for physical education teacher education (PETE) programs to prepare the next generation of physical educators with the skills and knowledge needed to one day lead CSPAP efforts in K-12 schools. The purpose …
Remote Preconditioning: Evaluating The Efficacy Of Cardioprotection In Type-2 Diabetes And Exploring The Mechanistic Role Of Exosomes, Joseph Michael Wider
Remote Preconditioning: Evaluating The Efficacy Of Cardioprotection In Type-2 Diabetes And Exploring The Mechanistic Role Of Exosomes, Joseph Michael Wider
Wayne State University Dissertations
Remote preconditioning is a promising and robust treatment for myocardial
ischemia/reperfusion injury that evokes cardioprotection through endogenous neural
and/or humoral signaling. A recent study has reported that protective signaling is
mediated by exosomes through the circulation; however this concept is supported by
limited and inconsistent evidence. Despite overwhelming success in preclinical studies,
the efficacy of remote preconditioning in human studies is inconclusive. Importantly, the
majority of remote preconditioning studies use healthy animal models despite growing
evidence that comorbidities, such as type-2 diabetes, may negatively influence
outcomes. Nonetheless, the efficacy of remote preconditioning in the setting of type-2
diabetes has not …
Effect Of Endoplasmic Reticulum Stress On Vascular Smooth Muscle Cells And Its Regulation Of Sm22Α, Neeraja Priyanka Annam
Effect Of Endoplasmic Reticulum Stress On Vascular Smooth Muscle Cells And Its Regulation Of Sm22Α, Neeraja Priyanka Annam
Wayne State University Dissertations
Background: The vascular smooth muscle cells(VSMC) possess the ability to differentiate into a synthetic phenotype in response to stress. This phenotypic modulation may be accompanied by inflammatory or osteogenic response in chronic stress. The synthetic state is characterized by low levels of contractile markers unlike the differentiated state.
Hypothesis: Endoplasmic reticulum (ER) stress causes phenotypic modulation in VSMCs leading to apoptosis. Many transcription factors induced by ER stress contribute to the downregulation of Sm22α. Perturbation in cytoskeletal dynamics exacerbates the ER stress response.
Methods: Ex-vivo culture was used to establish importance of Sm22 in ER stress. In vitro analysis was …
Analyzing The Regulation, Stability And Functional Differences Between Sin3 Isoforms In Drosophila, Ashlesha Chaubal
Analyzing The Regulation, Stability And Functional Differences Between Sin3 Isoforms In Drosophila, Ashlesha Chaubal
Wayne State University Dissertations
SIN3 is a master transcriptional regulator, conserved from yeast to mammals, that acts as a scaffold protein for a histone modifying complex. In Drosophila, a single Sin3A gene is alternatively spliced to produce distinct SIN3 isoforms; SIN3 220, SIN3 190 and SIN3 187, that differ only at their C-terminus. These isoforms are differentially expressed during development. We have shown that there is an interplay between the predominant isoforms of SIN3, SIN3 220 and SIN3 187, that possibly regulates the overall level of SIN3 in the cell. Exogenous expression of SIN3 187 reduces the level of transcript and accelerates the proteasomal …
Underlying Mechanisms Of Arsenic-Induced Tumorigenesis: From Epigenetics To Malignancy, Lingzhi Li
Underlying Mechanisms Of Arsenic-Induced Tumorigenesis: From Epigenetics To Malignancy, Lingzhi Li
Wayne State University Dissertations
Arsenic is a well-recognized environmental health threat with the capability of inducing a number of human diseases, including cancer. The aim of this dissertation is to unveil the mechanisms underlying the carcinogenic activities of environmental arsenic. The biological functions of arsenic had been studied for decades. However, there are still many questions that remain to be fully answered, such as whether and how arsenic contributes to the epigenetic regulations and migration or metastasis control of the cancer cells. In this regard, we focused our attention on both histone modifications and miRNA regulations in the arsenic-induced malignant transformation of the cells, …
Development Of Tools For Phosphosite-Specific Kinase Identification And Discovery Of Phosphatase Substrates, Pavithra Maheshani Dedigama Arachchige
Development Of Tools For Phosphosite-Specific Kinase Identification And Discovery Of Phosphatase Substrates, Pavithra Maheshani Dedigama Arachchige
Wayne State University Dissertations
Phosphorylation is a ubiquitous post translational modification implicated in many diseases, such as cancer. The phosphorylation status of cellular proteins is regulated by the activity of kinases and phosphatases. The biological significance of many phosphorylation events remain unknown because the methods to determine which kinase or phosphatase is responsible for phosphorylation are limited. Previously, we established kinase-catalyzed labeling where kinases accept γ-modified ATP analogs, such as ATP-arylazide and ATP-biotin, to label phosphoproteins. To study substrates of kinases and phosphatases, here we developed two new methods using kinase-catalyzed labeling. As one application, we developed K-CLASP (Kinase-catalyzed CrossLinking And Streptavdin Purification) to …
Identifying The Function Of The Calpain Small Subunit In The Mechanics Of Cell Migration, Bingqing Hao
Identifying The Function Of The Calpain Small Subunit In The Mechanics Of Cell Migration, Bingqing Hao
Wayne State University Dissertations
Cell migration plays a vital role in many physiological events including: morphogenesis, wound healing, and immune response. Dysfunctional cell migration results in multiple disease states including chronic inflammation, vascular disease, and tumor metastasis, to name a few. Progress in understanding the mechanism of cell migration had been slow until the turn of the century when rapid technological advances in microscopy and omics burst to the forefront. These advances led to the realization that physical factors (dimensions, fluid shear stress, hydrostatic pressure, compression stress, environmental stiffness, and topography) have profound effects on cell migration. This study of cell mechanics has expanded …
Exploring The Physics Of Proteins At Molecular Level By Neutron And X-Ray Scattering, Utsab Raj Shrestha
Exploring The Physics Of Proteins At Molecular Level By Neutron And X-Ray Scattering, Utsab Raj Shrestha
Wayne State University Dissertations
The protein structures revealed by the crystallographic studies have provided the valuable information over the years regarding their biological functions. However, such snapshots of protein fluctuations averaged over time may not be enough to fully capture the underlying biological phenomena. A deeper understanding of the protein dynamics is crucial for elucidating the structural pathways or the transition mechanism from the initial state to the final state necessary for regulating the physical and chemical processes. Hence, the biological activities and functions are mainly governed by the protein conformational dynamics. However, the direct correlation of a wide range of protein dynamics to …
Integration Of Mutation And Gene Expression Data To Identify Disease Subtypes, Sahar Ansari
Integration Of Mutation And Gene Expression Data To Identify Disease Subtypes, Sahar Ansari
Wayne State University Theses
Understanding the biological insights hidden in the vast amount of data collected, while investigating a disease, is the main goal for collecting such data in the first place.
Changes in the gene expression or the function of proteins are important components in progression of a disease and is a key to understanding the disease mechanism.
However, more often than not, the causes of such changes are not easily identified. In many cases, genetic variants may cause some of the observed gene expression changes.
In this thesis, we focus on identifying the variants that significantly alter gene expression for an individual …
Patholigical And Prognostic Role Of Mdig In Pancreatic Cancer, Srinivas Ashok Kumar
Patholigical And Prognostic Role Of Mdig In Pancreatic Cancer, Srinivas Ashok Kumar
Wayne State University Theses
Pancreatic cancer is a highly aggressive malignant disease having very limited therapeutic options that ultimately results in its poor prognosis. It is still elusive on the etiology and tumorigenic mechanisms of pancreatic cancer. In the present report, we provide evidence showing involvement of the mineral dust-induced gene (mdig) in the pathogenesis and prognosis of the pancreatic cancer. Using immunohistochemistry approach on human pancreatic cancer tissue microarray, we found differential expression of mdig in pancreatic adenocarcinoma and normal pancreas. Based on the staining intensities of mdig in these tissue samples, we found that 12% of the cancer tissues were strongly positive …
Human Cytomegalovirus Cytoplasmic Virion Assembly Complex: Structure In Vivo And Role Of Pul103 In Its Biogenesis, Ma Christina Raye Lim
Human Cytomegalovirus Cytoplasmic Virion Assembly Complex: Structure In Vivo And Role Of Pul103 In Its Biogenesis, Ma Christina Raye Lim
Wayne State University Theses
Human Cytomegalovirus (HCMV) is a linear, double stranded DNA virus that causes severe disease in the immunocompromised, and is one of the common cause of congenital disease. Antivirals that are currently available for treatment target the DNA replication of the virus cycle, and are highly toxic. Finding new drug targets, such as proteins responsible for virion assembly and egress, would help to alleviate the disease burden.
HCMV remodels the host cell to form a structure called the cytoplasmic virion assembly complex (cVAC), a site of virion maturation and egress. The first objective of this work is to study the structure …
Differential Activation Of Dead Box Rna Helicases Rhlb And Rhle By Hfq/Srnas And Their Target Mrnas, Amit Kumar
Differential Activation Of Dead Box Rna Helicases Rhlb And Rhle By Hfq/Srnas And Their Target Mrnas, Amit Kumar
Wayne State University Theses
Number of small RNA (sRNA) gene regulators have mounted in E. coli over the years whereas the number of validated protein partners has not changed considerably. Hfq has remained the only well studied global regulatory partner of sRNAs in E. coli. However, direct or indirect involvement of other protein partners has always been speculated. Study from Blasi lab has shown that CsdA, one of the five DEAD-box RNA helicases of E. coli, is required for the DsrA mediated upregulation of rpoS under cold stress condition. Previous study from our lab has identified two other DEAD-box RNA helicases, RhlB and RhlE, …
Design, Synthesis And Analysis Of Potential Photo-Activatable Cathepsin K Inhibitors, Khalin Evania Nisbett
Design, Synthesis And Analysis Of Potential Photo-Activatable Cathepsin K Inhibitors, Khalin Evania Nisbett
Wayne State University Theses
Abstract
DESIGN, SYNTHESIS AND ANALYSIS OF POTENTIAL PHOTO-ACTIVATABLE CATHEPSIN K INHIBITORS
by
KHALIN NISBETT
May 2017
Advisor: Dr. Jeremy Kodanko
Major: Chemistry
Degree: Master of Science
Tightly regulated cysteine CA proteases play a major role in maintaining the homeostasis within cells. Subsequently, when these proteases are dysregulated and mislocalized they disrupt healthy cell dynamics and contribute to many life-threatening pathologies such arteriosclerosis, osteoporosis and cancer. As such many pharmaceutical companies and research teams are highly interested in these proteases as targets. One emergent strategy is the spatiotemporal control of biological processes. In relation to this, a series of spatiotemporally controlled …
Prevalence And Antimicrobial Resistance Of E. Coli And Enterococcus Species In Detroit Urban Agriculture, Liyanage Nirasha Wijayangi Perera
Prevalence And Antimicrobial Resistance Of E. Coli And Enterococcus Species In Detroit Urban Agriculture, Liyanage Nirasha Wijayangi Perera
Wayne State University Theses
Urban farming is gaining popularity around the world as a sustainable agricultural system for providing heatlhy and inexpensive food. However, there are limited data available on the microbial safety related to this sector of agriculture. The objective of the present study was to examine the prevalence and antimicrobial susceptibilities of E. coli and Enterococcus in soil and vegetables associated with urban agriculture.
A total of 19 soil samples and 48 vegetable samples, including 21 leafy greens and 27 root vegetables, were collected from three urban gardens in Detroit. E. coli and Enterococcus were isolated and identified by PCR. Enterococcus species …
Fam129b Phosphorylation And Its Effect On Membrane Localization In Confluent Hela Cells, Lakshmi Thompil Somasekharan
Fam129b Phosphorylation And Its Effect On Membrane Localization In Confluent Hela Cells, Lakshmi Thompil Somasekharan
Wayne State University Theses
Phosphorylation and de-phosphorylation of many proteins is a key regulator of cellular life. It maintains cellular activity through an array of signaling pathways like cell division, proliferation and growth. However, Overexpression or mutations by the constitutive activation of phosphorylation machinery disrupt the balance in the cell, driving the inappropriate activation or deactivation of the cellular processes it controls. FAM129B is a protein whose activity is partly maintained by phosphorylation and dephosphorylation at the six serine residues at the C-terminal. FAM129B is expressed highly in many forms of cancer and its main function is to suppress apoptosis and enhances cancer cell …
The Role Of Line-1 Transposable Element In Methamphetamine Neurotoxicity In The Neurogenic Zones, Dongyue Yu
The Role Of Line-1 Transposable Element In Methamphetamine Neurotoxicity In The Neurogenic Zones, Dongyue Yu
Wayne State University Theses
Methamphetamine (METH) is a widely abused psychostimulant, which can cause neurotoxicity in the striatum and hippocampus. Several epigenetic changes were identified after binge METH exposure, including histone modification, DNA methylation, and changes in miRNA levels. We have shown that binge METH increases expression and activity of Long INterspersed Element (LINE-1), a transposable element, in doublecortin-positive neurons within rat neurogenic zones [1]. The goal of the present study was to identify which type(s) of cells show increases in LINE-1 following binge METH exposure, and determine whether binge METH-induced increases in LINE-1 are associated with cell death. To achieve this goal, male …
The Development Of Chemical Methods To Discover Kinase Substrates And Map Cell Signaling With Gamma-Modified Atp Analog-Dependent Kinase-Catalyzed Phosphorylation, Dissanayaka Mudiyanselage Maheeka Madhubashini Embogama
The Development Of Chemical Methods To Discover Kinase Substrates And Map Cell Signaling With Gamma-Modified Atp Analog-Dependent Kinase-Catalyzed Phosphorylation, Dissanayaka Mudiyanselage Maheeka Madhubashini Embogama
Wayne State University Dissertations
Kinase-catalyzed phosphorylation plays an important role in cell physiology by regulating a myriad of cellular functions. Thus aberrant kinase activity is implicated in various diseases. Methods are needed to discover kinase substrates and map signaling pathways to explore biology and to help drug discovery. A few techniques are currently available to discover kinase substrate and map cell signaling. However, to augment kinase substrate discovery approaches, it is essential to develop alternative techniques. Pflum has recently discovered cosubstrate promiscuity of protein kinases with gamma-modified ATP analogs. Here, kinase-catalyzed biotinylation with ATP-biotin was used to develop novel tools to discover kinase substrates …