199 research outputs found

    Physicians Caring for Physicians as Patients

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    Outline Introduction Application to family medicine Ethics Literature supported rewards & challenges Navigating the physician/physician-patient relationship Summary and questions Objectives Critically examine the physician-physician patient relationship through evidence in the literature Use cases to reflect on personal experiences Learn how to apply new strategies to navigate the visit with a physician-patien

    Post Traumatic Stress in Families with Pediatric Illness

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    Outline Behavioral Science Topic Introduce post traumatic stress in parents and children Talk specifically about post traumatic stress in families with pediatric (Cancer diagnoses, Type 1 diabetes diagnoses, Traffic accidents) Discuss relationship of PTSS in parents, children and siblings Apply what we’ve learned (Trauma-informed care

    Team-based Outreach to Improve Colorectal Cancer Screening Rates in an Urban Family Medicine Practice

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    Aims for Improvement Aim to increase CRCS rates for our resident team patients by 5% by May, 2021 Target Population (n=99): Age 50-74, due for CRCS, office visit within last 2 years, team resident listed as PCP, active on MyChart, and speak Englis

    Improving Blood Pressure Control Through Blood Pressure Measurement in an Ambulatory Urban Family Medicine Clinic

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    Aim Statement: To increase the percentage of patients over the age of 18 with BP controlled to a goal of \u3c140/90 from a baseline of 58% to 68% by April 2020

    Identification of Neural Outgrowth Genes using Genome-Wide RNAi

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    While genetic screens have identified many genes essential for neurite outgrowth, they have been limited in their ability to identify neural genes that also have earlier critical roles in the gastrula, or neural genes for which maternally contributed RNA compensates for gene mutations in the zygote. To address this, we developed methods to screen the Drosophila genome using RNA-interference (RNAi) on primary neural cells and present the results of the first full-genome RNAi screen in neurons. We used live-cell imaging and quantitative image analysis to characterize the morphological phenotypes of fluorescently labelled primary neurons and glia in response to RNAi-mediated gene knockdown. From the full genome screen, we focused our analysis on 104 evolutionarily conserved genes that when downregulated by RNAi, have morphological defects such as reduced axon extension, excessive branching, loss of fasciculation, and blebbing. To assist in the phenotypic analysis of the large data sets, we generated image analysis algorithms that could assess the statistical significance of the mutant phenotypes. The algorithms were essential for the analysis of the thousands of images generated by the screening process and will become a valuable tool for future genome-wide screens in primary neurons. Our analysis revealed unexpected, essential roles in neurite outgrowth for genes representing a wide range of functional categories including signalling molecules, enzymes, channels, receptors, and cytoskeletal proteins. We also found that genes known to be involved in protein and vesicle trafficking showed similar RNAi phenotypes. We confirmed phenotypes of the protein trafficking genes Sec61alpha and Ran GTPase using Drosophila embryo and mouse embryonic cerebral cortical neurons, respectively. Collectively, our results showed that RNAi phenotypes in primary neural culture can parallel in vivo phenotypes, and the screening technique can be used to identify many new genes that have important functions in the nervous system

    Studies on lectin-induced agglutination of Drosophila embryonic cell lines

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    The agglutination responses of three Drosophila cell lines to concanavalin A and wheat germ agglutinin have been examined. Although the cell lines were originally derived from late embryonic stages of the Ore-R strain of Drosophila melanogaster, they show quantitative differences in lectin-induced agglutination. Line 1 cells were least agglutinable with both lectins. All three cell lines reached maximum agglutination with concanavalin A concentrations at 25 [mu]g/ml, but the agglutination response to wheat germ agglutinin was biphasic such that an initial rapid increase in agglutination with concentrations up to 25 [mu]g/ml was followed by slower agglutination above this concentration. Cells of lines 1 and 2 from ten-day old cultures exhibited greater lectin-induced agglutination than cells from three-day old cultures. Age-dependent differences were not found for line 3 cells which gave maximum agglutination responses in both young and old cultures. Cell agglutination by concanavalin A was almost completely inhibited by pretreatment of the lectin with methyl-[alpha]--mannopyranoside, but preincubation of wheat germ agglutinin with N-acetyl--glucosamine caused only partial blockage. Lectin-induced agglutination was not reversible by treatment with the monosaccharide inhibitors. These observations have been discussed with reference to the origin of the three cell lines and their cell surface properties.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/22690/1/0000243.pd

    Expansion and Harvesting of hMSC-TERT

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    The expansion of human mesenchymal stem cells as suspension culture by means of spinner flasks and microcarriers, compared to the cultivation in tissue culture flasks, offers the advantage of reducing the requirements of large incubator capacities as well as reducing the handling effort during cultivation and harvesting. Nonporous microcarriers are preferable when the cells need to be kept in viable condition for further applications like tissue engineering or cell therapy. In this study, the qualification of Biosilon, Cytodex 1, Cytodex 3, RapidCell and P102-L for expansion of hMSC-TERT with an associated harvesting process using either trypsin, accutase, collagenase or a trypsin-accutase mixture was investigated. A subsequent adipogenic differentiation of harvested hMSC-TERT was performed in order to observe possible negative effects on their (adipogenic) differentiation potential as a result of the cultivation and harvesting method. The cultivated cells showed an average growth rate of 0.52 d-1. The cells cultivated on Biosilon, RapidCell and P102-L were harvested succesfully achieving high cell yield and vitalities near 100%. This was not the case for cells on Cytodex 1 and Cytodex 3. The trypsin-accutase mix was most effective. After spinner expansion and harvesting the cells were successfully differentiated to adipocytes

    Lamellocyte differentiation in Drosophila larvae parasitized by Leptopilina

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    The presence of Leptopilina heterotoma or Leptopilina boulardi eggs in the hemocoel of a Drosophila melanogaster larva induces the differentiation of lamellocytes, the blood cells that encapsulate foreign objects. L. boulardi eggs are encapsulated by the newly differentiated lamellocytes, but L. heterotoma eggs are not. The induced lamellocytes in host larvae with L. heterotoma eggs undergo the same destructive morphological changes as reported previously for lamellocytes present in melanotic tumor mutant larvae at the time of parasitization. Thus, the virus-like particles produced by the L. heterotoma female to protect its eggs from encapsulation do not block the differentiation of lamellocytes, but rather destroy lamellocytes whenever they are present in the hemocoel.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/30167/1/0000551.pd
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