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Articles 1 - 23 of 23
Full-Text Articles in Medicine and Health Sciences
North American Bioactive Plants For Human Health And Performance, Maria Pontes Ferreira, Fidji Gendron, Katrina C. Mcclure, Kelly Kindscher
North American Bioactive Plants For Human Health And Performance, Maria Pontes Ferreira, Fidji Gendron, Katrina C. Mcclure, Kelly Kindscher
Nutrition and Food Science Faculty Research Publications
Native and naturalized bioactive plants of the Canadian and American temperate biome are examined for their health and performance enhancement properties. Some of these plants are now being used as natural health products, and many have a long history as traditional foods and/or medicines with indigenous groups. This paper reviews the medicinal/cultural uses and bioactive properties of selected plant families: the Holly family (Aquifoliaceae) as stimulants, the Celery family (Apiaceae) as normoglycemic aids and analgesics, the Ginseng family (Araliaceae) as energy- boosting aids, the Sunflower family (Compositae) as anti-inflammatory aids, and the Legume family (Fabaceae) and Nightshade family (Solanaceae) as …
Construct-Validity Of The Engagement With Challenge Measure For Adolescents: Structural- And Criterion-Validity Evidence, E. Whitney G. Moore, David Hansen
Construct-Validity Of The Engagement With Challenge Measure For Adolescents: Structural- And Criterion-Validity Evidence, E. Whitney G. Moore, David Hansen
Kinesiology, Health and Sport Studies
For adolescents, engaging with challenge is a key developmental task, hypothesized to support development of adult-like competencies (e.g., agency and self-direction; Larson, 2000). This study aimed to assess the construct-validity (structural- and concurrent-validity) of a new self-report measure assessing adolescents’ engagement with challenge to help researchers understand how different settings and the conditions in these settings support adolescents’ development. The sample consisted of 337 adolescents in 10 FFA programs along with the adult advisors in each program. Adolescents completed a questionnaire, which included the Engagement with Challenge measure and the following criterion variables: number of contests completed, participation frequency, and …
Activation Of Amp-Activated Protein Kinase By 3,39-Diindolylmethane (Dim) Is Associated With Human Prostate Cancer Cell Death In Vitro And In Vivo, Di Chen, Sanjeev Banerjee, Qiuzhi C. Cui, Dejuan Kong, Fazlul H. Sarkar, Q. Ping Dou
Activation Of Amp-Activated Protein Kinase By 3,39-Diindolylmethane (Dim) Is Associated With Human Prostate Cancer Cell Death In Vitro And In Vivo, Di Chen, Sanjeev Banerjee, Qiuzhi C. Cui, Dejuan Kong, Fazlul H. Sarkar, Q. Ping Dou
Oncology Faculty Publications
There is a large body of scientific evidence suggesting that 3,39-Diindolylmethane (DIM), a compound derived from the digestion of indole-3-carbinol, which is abundant in cruciferous vegetables, harbors anti-tumor activity in vitro and in vivo. Accumulating evidence suggests that AMP-activated protein kinase (AMPK) plays an essential role in cellular energy homeostasis and tumor development and that targeting AMPK may be a promising therapeutic option for cancer treatment in the clinic. We previously reported that a formulated DIM (BR-DIM; hereafter referred as B-DIM) with higher bioavailability was able to induce apoptosis and inhibit cell growth, angiogenesis, and invasion of prostate cancer cells. …
Urban High-School Girls' Sense Of Relatedness And Their Engagement In Physical Education, Bo Shen, Nate Mccaughtry, Jeffrey J. Martin, Mariane Fahlman, Alex C. Garn
Urban High-School Girls' Sense Of Relatedness And Their Engagement In Physical Education, Bo Shen, Nate Mccaughtry, Jeffrey J. Martin, Mariane Fahlman, Alex C. Garn
Kinesiology, Health and Sport Studies
A sense of relatedness is individuals' views about themselves as connected to others and worthy of love and respect from others. Using the Self-System Model of Motivational Development as the framework, this study was designed to examine associations of urban high-school girls' relatedness toward teachers and peers with their behavioral and emotional engagements in physical education. Participants (N = 184, ages 15-18) completed questionnaires assessing relevant psychological and behavioral constructs while their teachers also completed corresponding measures during classes. Regression analyses revealed that relatedness toward teachers and peers had direct and interactive roles in both behavioral and emotional engagements. …
Caudate Nucleus Volume Mediates The Link Between Cardiorespiratory Fitness And Cognitive Flexibility In Older Adults, Timothy D. Verstynen, Brighid Lynch, Destiny L. Miller, Michelle W. Voss, Ruchika Shaurya Prakash, Laura Chaddock, Chandramallika Basak, Amanda Szabo, Erin A. Olson, Thomas R. Wojcicki, Jason Fanning, Neha P. Gothe, Edward Mcauley, Arthur F. Kramer, Kirk I. Erickson
Caudate Nucleus Volume Mediates The Link Between Cardiorespiratory Fitness And Cognitive Flexibility In Older Adults, Timothy D. Verstynen, Brighid Lynch, Destiny L. Miller, Michelle W. Voss, Ruchika Shaurya Prakash, Laura Chaddock, Chandramallika Basak, Amanda Szabo, Erin A. Olson, Thomas R. Wojcicki, Jason Fanning, Neha P. Gothe, Edward Mcauley, Arthur F. Kramer, Kirk I. Erickson
Kinesiology, Health and Sport Studies
The basal ganglia play a central role in regulating the response selection abilities that are critical formental flexibility. In neocortical areas, higher cardiorespiratory fitness levels are associated with increased gray matter volume, and these volumetric differences mediate enhanced cognitive performance in a variety of tasks. Here we examine whether cardiorespiratory fitness correlates with the volume of the subcortical nuclei that make up the basal ganglia and whether this relationship predicts cognitive flexibility in older adults. Structural MRI was used to determine the volume of the basal ganglia nuclei in a group of older, neurologically healthy individuals (mean age 66 years, …
Resource Availability, Mortality And Fertility: A Path Analytic Approach To Global Life History Variation, Mark A. Caudell, Robert J. Quinlan
Resource Availability, Mortality And Fertility: A Path Analytic Approach To Global Life History Variation, Mark A. Caudell, Robert J. Quinlan
Human Biology Open Access Pre-Prints
Humans exhibit considerable diversity in timing and rate of reproduction. Life history theory suggests that ecological cues of resource richness and survival probabilities shape human phenotypes across populations. Populations experiencing high extrinsic mortality due to uncertainty in resources should exhibit faster life histories. Here we use a path analytic approach informed by life history theory to model the multiple pathways between resources, mortality rates, and reproductive behavior in 191 countries. Resources that account for the most variance in population mortality rates are predicted to explain the most variance in total fertility rates. Results indicate that resources (e.g., calories, sanitation, education, …
Association Among Obesity-Related Anthropometric Phenotypes: Analyzing Genetic And Environmental Contribution, Aline Jelenkovic, Esther Rebato
Association Among Obesity-Related Anthropometric Phenotypes: Analyzing Genetic And Environmental Contribution, Aline Jelenkovic, Esther Rebato
Human Biology Open Access Pre-Prints
Obesity has become a public health and policy problem in many parts of the world. Epidemiological and population studies in this field are usually based on different anthropometric measures, however, common genetic and environmental factors between these phenotypes have been scarcely studied. The objective of this work is to assess the strength of these factors on the covariation among a large set of obesity-related traits. The subject group consisted of 533 nuclear families living in the Greater Bilbao (Spain), and included 1702 individuals aged 2-61 years. Detailed anthropometric measurements (stature, breadths, circumferences and skinfolds) were carried out in each subject. …
Book Review: Reproduction And Adaptation: Topics In Human Reproductive Ecology, Geoff Kushnick Phd
Book Review: Reproduction And Adaptation: Topics In Human Reproductive Ecology, Geoff Kushnick Phd
Human Biology Open Access Pre-Prints
Reproduction and Adaptation: Topics in Human Reproductive Ecology. Edited by C.G. Mascie-Taylor and Lyliane Rosetta. Cambridge Studies in Biological and Evolutionary Anthropology, Vol. 59. Cambridge: Cambridge University Press. 2011. 282 pp. $99.00 (hardback). ISBN 978-0-521-50963-3.
A Role For Reactive Oxygen Species In Photodynamic Therapy, Michael Price
A Role For Reactive Oxygen Species In Photodynamic Therapy, Michael Price
Wayne State University Dissertations
Photodynamic therapy (PDT) is based on the ability of certain photosensitizing agents to selectively localize in neoplastic cells and their vasculature. Subsequent irradiation at a wavelength corresponding to a photosensitizer absorbance band excites the photosensitizer molecules, leading to energy transfer reactions and fluorescence. It was initially concluded that the phototoxic effect occurred when energy from the excited state of the photosensitizer was transferred to dissolved oxygen to form singlet oxygen. This product has a very brief half-life and will cause cellular damage only in the immediate vicinity of its formation. But an excited-state photosensitizer can also interact with oxygen to …
The Proton-Coupled Folate Transporter: Biology And Therapeutic Applications To Cancer, Sita Desmoulin
The Proton-Coupled Folate Transporter: Biology And Therapeutic Applications To Cancer, Sita Desmoulin
Wayne State University Dissertations
Folates are essential cofactors of tumor cell proliferation and survival required for nucleotide biosynthesis and amino acid metabolism. In cancer therapy, inhibition of folate-dependent metabolic pathways has been achieved through the use of antifolates. Unfortunately, the efficacy of many clinically approved antifolates is limited by a lack of tumor selectivity. Facilitative transport of folates into mammalian cells is achieved by the reduced folate carrier (RFC) and proton-coupled folate transporter (PCFT). As PCFT is a folate-proton symporter with an acidic pH optimum, PCFT may provide a mechanism for targeting cytotoxic antifolates to tumors, based on their acidic microenvironments. To establish the …
Identification Of Transcriptional Mechanisms Downstream Of Nf1 Gene Defeciency In Malignant Peripheral Nerve Sheath Tumors, Daochun Sun
Wayne State University Dissertations
Malignant peripheral nerve sheath tumor (MPNST) is a type of soft tissue sarcoma that occurs in carriers of mutations in the neurofibromatosis type I gene (Nf1) as well as sporadically. Plexiform neurofibromas in NF1 patients have a significant risk of developing into MPNSTs leading to increased morbidity and mortality from this syndrome. Surgery is the primary intervention but it is not always effective due to the tendency of MPNSTs to infiltrate the surrounding tissue or grow in an inoperable location. Neurofibromin, the protein coded by the Nf1 gene, functions as a GTPase activating protein (GAP) whose mutation leads to constitutive …
Modulation Of Anti-Tumor Immune Response By Tgf-Β-Inducible Early Gene 1 (Tieg1), Andi Cani
Modulation Of Anti-Tumor Immune Response By Tgf-Β-Inducible Early Gene 1 (Tieg1), Andi Cani
Wayne State University Theses
Cancer immunotherapy has had limited clinical efficacy partly because regulatory T cells (Treg) suppress the immune response to tumor-associated antigens. Inducible regulatory T cells (iTreg), which are converted from naïve CD4 T cells by TGF-β, an abundant cytokine in the tumor microenvironment, may contribute to this immune suppression. Induction of Foxp3 by TGF-β is mediated by the transcription factor TIEG1 and abrogation of this protein prevents Foxp3 expression. We are testing the hypothesis that blockade of TIEG1 to prevent iTreg conversion will enhance immune response in DNA vaccination to the tumor associated antigen Her-2. Wild type and TIEG1 knockout mice …
In Ovo Serial Skeletal Muscle Diffusion Tractography Of The Developing Chick Embryo Using Dti: Feasibility And Correlation With Histology, Zien Zhou, Zachary Delproposto, Lianming Wu, Jianrong Xu, Jia Hua, Yan Zhou, Yongquan Ye, Zishu Zhang, Jiani Hu, E Mark Haacke
In Ovo Serial Skeletal Muscle Diffusion Tractography Of The Developing Chick Embryo Using Dti: Feasibility And Correlation With Histology, Zien Zhou, Zachary Delproposto, Lianming Wu, Jianrong Xu, Jia Hua, Yan Zhou, Yongquan Ye, Zishu Zhang, Jiani Hu, E Mark Haacke
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Magnetic resonance imaging is a noninvasive method of evaluating embryonic development. Diffusion tensor imaging (DTI), based on the directional diffusivity of water molecules, is an established method of evaluating tissue structure. Yet embryonic motion degrades the in vivo acquisition of long-duration DTI. We used a dual-cooling technique to avoid motion artifact and aimed to investigate whether DTI can be used to monitor chick embryonic skeletal muscle development in ovo, and to investigate the correlation between quantitative DTI parameters fractional anisotropy (FA) and fiber length and quantitative histologic parameters fiber area percentage (FiberArea%) and limb length.
Results
From 84 …
The Cyclin-Like Protein Spy1/Ringo Promotes Mammary Transformation And Is Elevated In Human Breast Cancer, Mohammad Al Sorkhy, Rosa-Maria Ferraiuolo, Espanta Jalili, Agnes Malysa, Andreea R. Fratiloiu, Bonnie F. Sloane, Lisa A. Porter
The Cyclin-Like Protein Spy1/Ringo Promotes Mammary Transformation And Is Elevated In Human Breast Cancer, Mohammad Al Sorkhy, Rosa-Maria Ferraiuolo, Espanta Jalili, Agnes Malysa, Andreea R. Fratiloiu, Bonnie F. Sloane, Lisa A. Porter
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Spy1 is a novel 'cyclin-like' activator of the G1/S transition capable of enhancing cell proliferation as well as inhibiting apoptosis. Spy1 protein levels are tightly regulated during normal mammary development and forced overexpression in mammary mouse models accelerates mammary tumorigenesis.
Methods
Using human tissue samples, cell culture models and in vivo analysis we study the implications of Spy1 as a mediator of mammary transformation and breast cancer proliferation.
Results
We demonstrate that this protein can facilitate transformation in a manner dependent upon the activation of the G2/M Cdk, Cdk1, and the subsequent inhibition of the anti-apoptotic regulator FOXO1. …
Understanding The Gender-Based Mechanism Of Mso In Als Mice: A Metabolic Characterization Of The Sod1-G93a Mouse Model, Monica Ann Bame
Understanding The Gender-Based Mechanism Of Mso In Als Mice: A Metabolic Characterization Of The Sod1-G93a Mouse Model, Monica Ann Bame
Wayne State University Dissertations
Amyotrophic Lateral Sclerosis (ALS) is a devastating neurodegenerative disease characterized by motor neuron death and a corresponding loss of neuromuscular connections resulting in muscle atrophy. Patients become paralyzed shortly after symptom onset and typically die within one to five years of pulmonary complications. ALS is a relatively rare disease, with an overall incidence of approximately 2 in 100,000 people per year and a prevalence of about 5 in 100,000 people. It is typically associated with increasing age and has a slight male prevalence, with a male to female ratio of approximately 3:2. ALS is classified as either familial (the less …
Substance P And The Host Immune Response, Megan Elizabeth Foldenauer
Substance P And The Host Immune Response, Megan Elizabeth Foldenauer
Wayne State University Dissertations
This body of work examined the mechanism by which SP regulates host immunity, specifically, its control of growth factors and TLR expression in the P. aeruginosa-infected cornea. The role of mTOR and VIP in corneal infection and inflammation also was tested.
SP has a dual role in bacterial infection, unexpectedly upregulating growth factor production. This was accompanied by macrophage-specific upregulation of pro-inflammatory cytokines, downregulation of anti-inflammatory cytokines, and upregulation of anti-apoptotic genes, as well as a decrease in arginase-producing macrophages (M2 cells), important in stromal healing in these mice. All of these lead to worsened disease, despite the stimulatory effects …
The Use Of Metabolomics To Investigate Biomarker Profiles As Potential Early Risk Factors For Development Of Type Ii Diabetes Mellitus, Jennelle Lynn Arnew (Getty)
The Use Of Metabolomics To Investigate Biomarker Profiles As Potential Early Risk Factors For Development Of Type Ii Diabetes Mellitus, Jennelle Lynn Arnew (Getty)
Wayne State University Theses
ABSTRACT
THE USE OF METABOLOMICS TO INVESTIGATE BIOMARKERS PROFILES AS POTENTIAL EARLY RISK FACTORS FOR DEVELOPMENT OF TYPE II DIABETES
by
JENNELLE ARNEW
MAY 2012
Advisor: Dr. Smiti Gupta
Major: Nutrition and Food Science
Degree: Masters of Science
Type 2 Diabetes affects an estimated 17.5 million individuals in the United States and is considered to be one of the most pressing public health issues of our time. To date, the exact cause of type 2 diabetes remains unclear, however, it is considered to be an interplay between environmental and genetic factors. Emerging technologies for metabolomics analysis increases the capacity to …
Purification Of Alpha-Glucosidase Inhibitors From Grape Extract, Gayle M. Shipp
Purification Of Alpha-Glucosidase Inhibitors From Grape Extract, Gayle M. Shipp
Wayne State University Theses
ABSTRACT
PURIFICATION OF ALPHA-GLUCOSIDASE INHIBITORS FROM GRAPE EXTRACT
by
GAYLE SHIPP
August 2012
Advisor: Dr. Kevin Zhou
Major: Nutrition and Food Science
Degree: Master of Science
Diabetes and its complications are steadily growing and remain major causes of morbidity and mortality in the U.S. Intestinal á-glucosidases play a crucial role in controlling postprandial blood glucose. For this reason, one attractive prevention and/or treatment strategy for type-2 diabetes is the inhibition of á-glucosidase. The effectiveness of á-glucosidase inhibitors (AGI's) for diabetes treatment is well documented in numerous animal and human clinical studies. Grape pomace extract (GPE) has recently found in our …
The Effects Of Oil Palm Phenolics On Inflammation And Oxidative Stress In Relation To Amyloid Beta Plaques In Fad-Mutant And Wild Type B103 Cells, Lindsay Michelle Godsey
The Effects Of Oil Palm Phenolics On Inflammation And Oxidative Stress In Relation To Amyloid Beta Plaques In Fad-Mutant And Wild Type B103 Cells, Lindsay Michelle Godsey
Wayne State University Theses
Alzheimer's disease (AD) affects approximately 35.6 million people in the world today (35). It is expected that by year 2050, an individual will develop AD every 33 seconds (8). Unfortunately, the etiology is not well known. Familial Alzheimer's disease (FAD) occurs due to specific genetic mutations, making it possible to replicate them in cells. Using B103 rat neuroblastoma cells transfected with a cDNA construct, wild type cells and FAD mutant cells were used in this research.
Natural ingredients such as oil palm phenolics (OPP) contain antioxidants. After finding the optimal experimental parameters, OPP was found to aid in the destabilization …
Cellular Plasticity In White Adipose Tissue: In Vivo Identification Of Bipotent Adipocyte Progenitors In Adult White Adipose Tissue, Yun-Hee Lee
Wayne State University Dissertations
Nutritional and pharmacological stimuli can dramatically alter the cellular composition and phenotype of white adipose tissue (WAT). Nonetheless, the identity of progenitors that contribute to this cellular plasticity in vivo remains poorly understood. Utilizing genetic lineage tracing techniques in combination with in situ imunohistochemical analysis, we demonstrate that brown adipocytes (BA) that are induced by beta3-adrenergic receptor activation (ADRB3) in WAT arise from the proliferation and differentiation of cells that express platelet-derived growth factor receptor alpha (PDGFRA), CD34 and Sca1 (PDGFRA+ cells). PDGFRA+ cells have a unique morphology in which extended processes contact multiple cells in the tissue microenvironment. Surprisingly, …
Vip And Host Immunity, Xiaoyu Jiang
Vip And Host Immunity, Xiaoyu Jiang
Wayne State University Dissertations
The purpose of the current dissertation was to examine how VIP regulates host immunity and corneal healing, specifically, its control of growth factors and TLR expression in the P. aeruginosa infected cornea. Firstly, VIP treatment increased growth factor expression (EGF, GHF, FGF and VEGF) in infected cornea. Notably, treatment with a mixture of EGF, FGF and HGF prevented corneal perforation, reduced pro-inflammatory cytokines and bacterial plate count, while increasing anti-inflammatory cytokines and antimicrobials such as murine beta-defensin2 and 3.
We also investigated the expression of TLR-signaling pathways in P. aeruginosa infected corneas with or without VIP treatment. PCR array and …
Identifying Sm22 As A Key Player In Arterial Diseases, Jianbin Shen
Identifying Sm22 As A Key Player In Arterial Diseases, Jianbin Shen
Wayne State University Dissertations
Background : Expression of vascular smooth muscle cell (VSMC) cytoskeleton markers including SM22 is down-regulated in arterial diseases including atherosclerosis where inflammation and osteochondrogenesis are present. However, the role of this downregulation in arterial pathogenesis is unknown. Hypothesis : Downregulation of SM22 may actively contribute to arterial pathogenesis. Methods : Five Sm22 knockout (Sm22-/-) mice and their wild type littermates were subjected to carotid artery denudation, an artery injury model. Analyses were conducted on carotid arteries 2 weeks after injury. Primary VSMCs were isolated from mouse aortas and investigated individually at passage 2 to 4. Sm22 knockdown was …
Hdm2 Small-Molecule Inhibitors For Therapeutic Intervention In B-Cell Lymphoma, Angela Sosin
Hdm2 Small-Molecule Inhibitors For Therapeutic Intervention In B-Cell Lymphoma, Angela Sosin
Wayne State University Dissertations
Lymphomas frequently retain wild-type (wt) p53 function but overexpress HDM2, compromising p53 activity. Therefore, lymphoma is a suitable model for studying therapeutic value of disrupting HDM2-p53 association by small-molecule inhibitors (SMIs). HDM2 SMIs have been developed and are currently under various stages of preclinical and clinical investigation. This study examined various molecular mechanisms associated and biological effects of two different classes of HDM2 SMIs: the spiro-oxindoles (MI-219) and cis-imidazoline (Nutlin-3) in lymphoma cell lines and patient-derived B-lymphoma cells. Surprisingly, results revealed significant quantitative and qualitative differences between these two agents. At the molecular level, effect of Nutlin-3 was generally more …