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Articles 31 - 53 of 53
Full-Text Articles in Pathology
Classical And Alternative Nuclear Factor-Kappab In Epithelium: Impacts In Allergic Airway Disease And Avenues For Redox Regulation, Jane Elizabeth Tully
Classical And Alternative Nuclear Factor-Kappab In Epithelium: Impacts In Allergic Airway Disease And Avenues For Redox Regulation, Jane Elizabeth Tully
Graduate College Dissertations and Theses
Nuclear Factor kappaB (NF-êB) is a transcription factor whose activation is increased in settings of allergic asthma. At least two parallel NF-êB pathways exist: the classical pathway, which plays a role in inflammation and cell survival, and the alternative pathway, which regulates lymphoid cell development and organogenesis. The classical NF-êB pathway regulates inflammatory responses derived from lung epithelial cells; however, the role of the alternative pathway in lung epithelial cells remains unclear. We demonstrate that both classical and alternative NF-êB are activated in lung epithelial cells in response to multiple pro-inflammatory agonists, and siRNA-mediated knockdown of alternative NF-êB proteins largely …
Development Of A Conditional Mesd (Mesoderm Development) Allele For Functional Analysis Of The Low-Density Lipoprotein Receptor-Related Family In Defined Tissues, Andrew V. Taibi, Janet K. Lighthouse, Richard C. Grady, Kenneth R. Shroyer, Bernadette Holdener
Development Of A Conditional Mesd (Mesoderm Development) Allele For Functional Analysis Of The Low-Density Lipoprotein Receptor-Related Family In Defined Tissues, Andrew V. Taibi, Janet K. Lighthouse, Richard C. Grady, Kenneth R. Shroyer, Bernadette Holdener
Department of Biomedical Engineering Faculty Publications
The Low-density lipoprotein receptor-Related Protein (LRP) family members are essential for diverse processes ranging from the regulation of gastrulation to the modulation of lipid homeostasis. Receptors in this family bind and internalize a diverse array of ligands in the extracellular matrix (ECM). As a consequence, LRPs regulate a wide variety of cellular functions including, but not limited to lipid metabolism, membrane composition, cell motility, and cell signaling. Not surprisingly, mutations in single human LRPs are associated with defects in cholesterol metabolism and development of atherosclerosis, abnormalities in bone density, or aberrant eye vasculature, and may be a contributing factor in …
Flash4 Dark Reference Images, George Mcnamara
Flash4 Dark Reference Images, George Mcnamara
George McNamara
Hamamatsu FLASH4.0 dark reference images, acquired with 10 second exposure times, no light to camera. Camera offset (set by Hamamatsu( is ~100 (the average intensity of the first image is always ~1 intensity level higher - an odd feature, but trivial in practice for a 16-bit camera).
George McNamara, Ph.D.
Single Cells Analyst at L.J.N. Cooper Lab
University of Texas M.D. Anderson Cancer Center
Video Codec Performance (Excel Spreadsheet), George Mcnamara
Video Codec Performance (Excel Spreadsheet), George Mcnamara
George McNamara
Video codec performance (Excel spreadsheet). Movie was made in 2005-2006 when I worked at City of Hope National Medical Center. VTLF refers to Video Timelapse Light Facility. Videos were outputted from MetaMorph as AVI files. Personally, I always recommend uncompressed video files fro scientific uses. I also encourage posting the original scientific data format (ex. .lsm, .zvi, .lif, .stk).
Pubspectra Tattletales, George Mcnamara
Pubspectra Tattletales, George Mcnamara
George McNamara
Tattletales for Multiplex Fluorescent Reporters in Single Cells for Metabolomics
George McNamara
As of April 2013: L.J.N. Cooper & D.A. Lee Cellular Immunotherapy Lab, University of Texas M.D. Anderson Cancer Center, Houston, TX
Email: gtmcnamara@mdanderson.org, geomcnamara@earthlink.net
Tattletales is my concept for spatial multiplexing many fluorescent protein (FP) biosensors in the same live cell. For example, there are excellent FP biosensors to Ca++ ions, pH, glucose, ribose, glutamine, glutamate, ATP, redox, ROS, pyruvate, cAMP, cGMP, IP3, PI(3,4,5)P3, cell cycle indicators (Fucci2), PKA, PKC, photsphatases, caspase(s) [1, 2]. However, these are typically used one biosensor per experiment, due in part to flooding …
Hydraphiles: A Rigorously Studied Class Of Synthetic Channel Compounds With In Vivo Activity, Saeedeh Negin, Bryan Smith, Alexandra Unger, W. Leevy, George Gokel
Hydraphiles: A Rigorously Studied Class Of Synthetic Channel Compounds With In Vivo Activity, Saeedeh Negin, Bryan Smith, Alexandra Unger, W. Leevy, George Gokel
Chemistry & Biochemistry Faculty Works
No abstract provided.
Hydraphiles: A Rigorously Studied Class Of Synthetic Channel Compounds With In Vivo Activity, Saeedeh Negin, Bryan A. Smith, Alexandra Unger, W. Matthew Leevy, George W. Gokel
Hydraphiles: A Rigorously Studied Class Of Synthetic Channel Compounds With In Vivo Activity, Saeedeh Negin, Bryan A. Smith, Alexandra Unger, W. Matthew Leevy, George W. Gokel
George Gokel
No abstract provided.
Halloween 2012 Jack O'Lanterns Trick Or Treat, George Mcnamara
Halloween 2012 Jack O'Lanterns Trick Or Treat, George Mcnamara
George McNamara
Halloween 2012 makes trick or treating more visual and interactive than in past years.
the download is a ZIP file containing three files.
Print out the (unnumbered) image on as large and nice printer paper as possible - I used glossy 44" wide here in Miami (University of Miami, MillerSchool of Medicine, Calder Library, Biomedical Communications dept - I also made another print on "fabric", also 44" wide to take with me to an HHMI Janelia Farm conference on 'turning images into knowledge' that ends on Oct 31 - might stay up for a second conference, "GFP..." that start Nov …
Mcnamara 20120831fri-20120904tue Cosmic Ray Particles By Ccd Imaging, George Mcnamara
Mcnamara 20120831fri-20120904tue Cosmic Ray Particles By Ccd Imaging, George Mcnamara
George McNamara
McNamara 20120831Fri-20120904Tue Cosmic Ray Particles by CCD imaging.zip contains image files in support of a Microscopy Today article - please see
http://www.microscopy-today.com/
Cosmic Ray Particles Images With Orca-Ii Erg, George Mcnamara
Cosmic Ray Particles Images With Orca-Ii Erg, George Mcnamara
George McNamara
Cosmic ray particles image series acquired using a Hamamatsu ORCA-II ERG scientific grade CCD camera, cooled to -60 C. Each image is a consecutive 600 second (10 minute) exposure time with no light to the camera.
While processing the data, I discoverd that the background changed around planes 25 and 227 (see Excel file and jpeg screenshots), so I also processed only planes 025-227 (203 planes total, 2030 minutes, 33.83 hours). the CCD industry "rule of thumb" for a "typical" CCD sensor (i.e. 1/3" CCD) is that one cosmic ray particle strikes a sensor approximately every 30 seconds (assuming not …
Environmental Friendly Synthesis, Characterization Of Surface Modifiable Starch Encapsulated Gold Nanoparticles With Bactericidal And Catalytic Activity, Dillon Pender
Mahurin Honors College Capstone Experience/Thesis Projects
In the present study, we report the green synthesis of gold nanoparticles (GNPs), using potato starch as a reducing as well as a stabilizing agent in an aqueous buffer medium. The resulting starch-GNPs (St-GNPs) were near spherical in shape with an average diameter of 15 ± 5 nm. In this approach, St-GNPs were characterized and investigated for their antibacterial properties against both gram negative (Escherichia coli) and gram positive (Staphylococcus epidermidis) bacteria. These St-GNPs were found to possess significant dose dependent antibacterial activity against bacteria. Also, St-GNPs showed a significant catalytic activity and can easily be …
Interactions Of Nitric Oxide And Superoxide Pathways In Hyperglycemic Endothelial Cells, Steven Clay Rogers
Interactions Of Nitric Oxide And Superoxide Pathways In Hyperglycemic Endothelial Cells, Steven Clay Rogers
Graduate Theses and Dissertations
Cardiovascular complications arising from diabetic hyperglycemia represents one of the leading causes of death and greatest public health challenges of modern societies. Despite state-of-the-art glucose control, diabetic patients remain at a markedly increased risk of cardiovascular disease. The loss of endothelial function (the development of diabetic endothelial dysfunction) has been implicated in the development of numerous diabetic cardiovascular diseases. The endothelial cell produces many vasoactive substances, hormones and cytoprotective biological factors. Endothelial cells are also involved in and affected by the initiation of inflammatory responses through the release and interaction of cytokines and other immune system molecules. Therefore, regulation of …
Flatbed Scanner Report - Optical Density Dynamic Range, George Mcnamara
Flatbed Scanner Report - Optical Density Dynamic Range, George Mcnamara
George McNamara
George McNamara (now at University of Miami) report for Hua Yu and Richard Jove, City of Hope National Medical Center, on optical density dynamic range of several flatbed scanners.
Introduction To Nanoscopy Nano-Talk, George Mcnamara
Introduction To Nanoscopy Nano-Talk, George Mcnamara
George McNamara
T7-1 is the designation for the LMRG Nanoscopy session at ABRF in Orlando, FL, on March 20, 2012. The PDF file here is a draft of my presentation.
May not be very helpful since (1) would probably help to know what is in my head and each slide will [hopefully] prompt me to say, and (2) 10 minute talk so I am going to push the "next slide" button after saying very little.
__________________
Publisher statement:
The T7-1 Introduction to Nanoscopy Nano Talk is copyrighted (c) George McNamara, 2012. Except for (1) screenshots from research articles (which are copyrighted by …
Pubspectra - Open Data Access Fluorescence Spectra, George Mcnamara
Pubspectra - Open Data Access Fluorescence Spectra, George Mcnamara
George McNamara
The Internet is enabling greater access to spectral imaging publications, spectral graphs, and data than that was available a generation ago. The spectral imaging systems discussed in this issue of Cytometry work because reagent and hardware spectra are reproducible, reusable, and provide input to spectral unmixing and spectral components recognition algorithms. These spectra need to be readily available in order to determine what to purchase, how to use it, and what the output means. We refer to several commercially sponsored and academic spectral web sites and discuss our spectral graphing and data sites. Sites include fluorescent dye graph servers from …
Mcnamara 2011 Feature Extraction (Image Analysis), George Mcnamara
Mcnamara 2011 Feature Extraction (Image Analysis), George Mcnamara
George McNamara
Feature Extraction presentation and movies in a ZIP file from a presentation I gave at ISAC 2011 in Baltomore, Md.
Feature extraction is one phrase for image analysis.
Rogers Pmn Movie - Background Information, George Mcnamara
Rogers Pmn Movie - Background Information, George Mcnamara
George McNamara
Please see
http://mdc.custhelp.com/app/answers/detail/a_id/18689/~/metamatters-newsletters
for my series of MetaMorph MetaMatters articles in volume 2, numbers 3 through 6, on the Rogers PMN Panorama data set.
http://mdc.custhelp.com/app/answers/detail/a_id/18689/~/metamatters-newsletters
Brief summary (for more, see the Word doc)
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 …
Mcnamara 2011 Mpmicro - Multi-Probe Microscopy (10/31/2011), George Mcnamara
Mcnamara 2011 Mpmicro - Multi-Probe Microscopy (10/31/2011), George Mcnamara
George McNamara
Multi-Probe Microscopy is an ~1500 page Word document summarizing what I know and/or found interesting in light microscopy, fluorescence microscopy and digital image analysis, from 1995-2005. Very little has been updated since 2005.
The Elucidation Of Metabolic Pathways And Their Improvements Using Stable Optimization Of Large-Scale Kinetic Models Of Cellular Systems, Evgeni V. Nikolaev
The Elucidation Of Metabolic Pathways And Their Improvements Using Stable Optimization Of Large-Scale Kinetic Models Of Cellular Systems, Evgeni V. Nikolaev
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Metabolic engineering of cellular systems to maximize reaction fluxes or metabolite concentrations still presents a significant challenge by encountering unpredictable instabilities that can be caused by simultaneous or consecutive enhancements of many reaction steps. It can therefore be important to select carefully small subsets of key enzymes for their subsequent stable modification compatible with cell physiology. To address this important problem, we introduce a general mixed integer non-linear problem (MINLP) formulation to compute automatically which enzyme levels should be modulated and which enzyme regulatory structures should be altered to achieve the given optimization goal using non-linear kinetic models of relevant …
Immunohistochemical Evaluation Of Small Round Cell Tumors Of Childhood, Sajid H. Shah, Irshad N. Soomro, M. Shahid Siddiqui, Shahid Pervez, Sheema H. Hassan
Immunohistochemical Evaluation Of Small Round Cell Tumors Of Childhood, Sajid H. Shah, Irshad N. Soomro, M. Shahid Siddiqui, Shahid Pervez, Sheema H. Hassan
Department of Pathology and Laboratory Medicine
Objective:
This study was done to evaluate the pediatric undifferentiated small round cell tumors with immunohistochemical staining.
Setting:
The present study included consecutive cases of small round cell tumors which were diagnosed in children (<15 years) in the section of Histopathology at the Aga Khan University Hospital, Karachi during the period of two years.
Methods:
The group of undifferentiated small round cell tumors were evaluated immunohistochemically by using a panel of antibodies on sections from routinely processed, formalin fixed, paraffin embedded tissue blocks.
Results:
The category of undifferentiated small round cell tumors included rhabdomyosarcoma (23.2%), primitive neuroectodermal tumor (17.9%), non-Hodgkin’s lymphoma (16.1%), neuroblastoma (14.2%), Ewing’s sarcoma (10.7%) in order of frequency. Osteosarcoma (Small cell variant), retinoblastoma and medulloblastoma comprised …
Pressure-Induced Intracellular Signaling In Isolated Arteries, Victor A. Miriel
Pressure-Induced Intracellular Signaling In Isolated Arteries, Victor A. Miriel
Theses and Dissertations in Biomedical Sciences
The ability of cells to respond to mechanical stimuli has been studied through a variety of techniques in numerous cell types. The cells of the vascular wall have adapted to specific mechanical stresses through the activation of intracellular signaling pathways which result in cell-specific responses such as hypertrophy, hyperplasia, proliferation, and migration. Vascular smooth muscle of the arteries have been shown to be sensitive to mechanical stimuli such as stretch, and pressure.
This study attempts to add to the current knowledge of mechanotransduction by utilizing the isolated artery preparation. This preparation allows for the study of vascular smooth muscle signal …
Oral Cancer Screening, Damon Omar Watson
Oral Cancer Screening, Damon Omar Watson
Honors Theses
Cancers of the oral cavity and pharynx have increased throughout the decades. Since oral cancer represents a small percentage of the total cancers in the United States, it is often overlooked. Though this is the case, the results of this cancer can be devastating. To address this issue, an Oral Cancer Screening was organized on August 14, 1996 at the West Michigan Cancer Center in Kalamazoo. This was a joint collaboration between the author, the West Michigan Cancer Center, and the Kalamazoo Valley Dental Society. This event allowed research to take place concerning the data obtained. Confidential results and information …