517 research outputs found

    Reading comprehension : what strategies make a difference?

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    A literature review was conducted on comprehension strategies. The comprehension strategies that are being reviewed were chosen based on past research of reading comprehension.This literature review will explore six comprehension strategies that have been found to improve students\u27 comprehension abilities

    Literature and nationalism

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    Literature has long played a crucial role in constructing and disseminating what Benedict Anderson terms “imagined communities.” The invention of an English sense of national identity emerged in full in the Elizabethan period. The early modern period is a rich site for the study of literature and nationalism not only because this period witnessed profound and contested articulations of the political nation, but also because it bears witness to the ways in which nationalism is underpinned by a variety of cultural discourses, including class, gender, race, and religion

    Ahnentafel

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    Therapeutic Use of a Receptor Mimic Probiotic Reduces Intestinal Shiga Toxin Levels in a Piglet Model of Hemolytic Uremic Syndrome

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    Hemolytic uremic syndrome (HUS) is a systemic and potentially fatal complication of gastroenteritis secondary to Shiga toxin-producing enterohemorrhagic Escherichia coli (EHEC) infection characterized by microangiopathic hemolytic anemia, thrombocytopenia, and acute renal damage. Shiga toxin (Stx), the toxin principle in HUS, is produced locally within the gut following EHEC colonization and is disseminated via the vasculature. Clinical development of HUS currently has no effective treatment and is a leading cause of renal failure in children. Novel post-exposure therapies are currently needed for HUS; therefore, the purpose of this study was to investigate the efficacy of a Stx receptor mimic probiotic in a porcine model of HUS. Edema disease, an infection of swine caused by host adapted Shiga toxin-producing Escherichia coli (STEC) and mediated by Shiga toxin 2e (Stx2e), shares many pathogenic similarities to HUS. In this study, three-week old piglets were inoculated with STEC and 24 hours later treated twice daily with a probiotic expressing an oligosaccharide receptor mimic for Stx2e to determine if the probiotic could reduce intestinal toxin levels

    Preventable cancer mortality in American Indian and Alaska Native women.

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    This report describes a series of six studies on cancer in American Indian and Alaska Native (AI/AN) women, with a particular emphasis on cancer of the breast and cervix. Data from the Indian Health Service (IHS) inpatient data system was used to generate estimates of incidence of cancer among AI/AN populations. Additionally, breast cancer rates among Indian women in Arizona and New Mexico were compiled from extensive chart review of the New Mexico Tumor Registry and the IHS Inpatient Data System. Study of the performance of the health care system for cancer screening in women suggest that the major deficiency lies not in a failure to bring women in for screening, but rather to complete the screening after contact has been made and the need for screening recognized. The studies indicate that cancer is generally diagnosed in American Indian women at a more advanced stage and survival experience of Indian cancer patients is worse than non-Indian, even when corrected for later stage at diagnosis. Several of the studies suggest that failure to diagnose cancer in its very early stages appears to be in large part dependent on patient behavior. An alarming number of women do not keep follow-up appointments, even after multiple referrals and rescheduling of appointments. These findings suggest the need for intervention strategies that encourage women to become knowledgeable about cancer and to accept responsibility for their screening. The studies suggest that the relative difficulty in improving screening rates are traced to an inadequate understanding of cancer and its prevention on the part of women in the community

    Therapeutic use of a receptor mimic probiotic reduces intestinal Shiga toxin levels in a piglet model of hemolytic uremic syndrome

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    BACKGROUND: Hemolytic uremic syndrome (HUS) is a systemic and potentially fatal complication of gastroenteritis secondary to Shiga toxin-producing enterohemorrhagic Escherichia coli (EHEC) infection characterized by microangiopathic hemolytic anemia, thrombocytopenia, and acute renal damage. Shiga toxin (Stx), the toxin principle in HUS, is produced locally within the gut following EHEC colonization and is disseminated via the vasculature. Clinical development of HUS currently has no effective treatment and is a leading cause of renal failure in children. Novel post-exposure therapies are currently needed for HUS; therefore, the purpose of this study was to investigate the efficacy of a Stx receptor mimic probiotic in a porcine model of HUS. Edema disease, an infection of swine caused by host adapted Shiga toxin-producing Escherichia coli (STEC) and mediated by Shiga toxin 2e (Stx2e), shares many pathogenic similarities to HUS. In this study, three-week old piglets were inoculated with STEC and 24 hours later treated twice daily with a probiotic expressing an oligosaccharide receptor mimic for Stx2e to determine if the probiotic could reduce intestinal toxin levels. METHODS: Piglets were orally inoculated with 10(10) CFU of STEC strain S1191 eight days after weaning. Beginning day 1 post-inoculation, piglets were treated orally twice daily with 5 × 10(11) CFU of either the receptor mimic probiotic or a sham probiotic for 10 days. Intestinal Stx2e levels were assessed daily via Vero cell assay. The efficacy of the probiotic at reducing intestinal Stx2e, vascular lesions, and clinical disease was evaluated with repeated measures ANOVA and Fisher's exact test as appropriate. RESULTS: The probiotic significantly reduced intestinal Stx2e, as reflected by decreased fecal toxin titers on days 3-8 post-inoculation (p < 0.01). Despite this reduction in intestinal toxin levels, however, the probiotic failed to reduce the incidence of vascular necrosis in target organs and had no effect on clinical disease. CONCLUSIONS: The data suggest that post-exposure treatment with a Stx-binding probiotic is effective in reducing intestinal toxin burden. Future studies could target this approach for possible development of post-exposure interventions.Shannon J Hostetter, Amy F Helgerson, James C Paton, Adrienne W Paton, and Nancy A Cornic

    Increasing Employee Awareness of the Signs and Symptoms of Heart Attack and the Need to Use 911 in a State Health Department

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    INTRODUCTION: Early recognition of the signs and symptoms of a heart attack can lead to reduced morbidity and mortality. METHODS: A workplace intervention was conducted among 523 Montana state health department employees in 2003 to increase awareness of the signs and symptoms of heart attack and the need to use 911. All employees received an Act in Time to Heart Attack Signs brochure and wallet card with their paychecks. Act in Time posters were placed in key workplace areas. A weekly e-mail message, including a contest entry opportunity addressing the signs and symptoms of heart attack, was sent to all employees. Baseline and follow-up telephone surveys were conducted to evaluate intervention effectiveness. RESULTS: Awareness of heart attack signs and symptoms and the need to call 911 increased significantly among employees from baseline to follow-up: pain or discomfort in the jaw, neck, or back (awareness increased from 69% to 91%); feeling weak, light-headed, or faint (awareness increased from 79% to 89%); call 911 if someone is having a heart attack or stroke (awareness increased from 84% to 90%). Awareness of chest pain, pain or discomfort in the arms or shoulders, and shortness of breath were more than 90% at baseline and did not increase significantly at follow-up. At baseline, 69% of respondents correctly reported five or more of the signs and symptoms of heart attack; 89% reported correctly at follow-up. CONCLUSION: This low-cost workplace intervention increased awareness of the signs and symptoms of heart attack and the need to call 911
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