998 resultados para lethal violence
Resumo:
This honors thesis project uses history and literature to analyze the role of the myth of chivalry in mystifying racial violence and oppression in the American South. The central claim is that the myth of chivalry¿ and particularly the exaltation of the white woman¿ is a myth system used to justify racial violence, oppress white womanhood, and allow white patriarchy to maintain political, social and economic dominance. This project traces the role of literature, especially Sir Walter Scott¿s historical romance, in developing the foundational myths of a southern society based in violence, racial hierarchy and gender inequality. It then follows the role of white womanhood in this myth¿ the restrictions on miscegenation, the exaltation of pure white femininity, and the violent actions performed in the name of southern women. With this historical baseline established, this study then explores three works of historical fiction that attempt to subvert this mythology by critiquing and demystifying the myth of chivalry, while also offering counter-narratives to popularized history. These works are Charles Chesnutt¿s 1901 novel The Marrow of Tradition¬, which analyzes the 1898 Wilmington N.C. race riot, Gwendolyn Brooks¿ 1960 poem ¿A Bronzeville Mother Loiters in Mississippi. Meanwhile, a Mississippi Mother Burns Bacon¿ and Lewis Nordan¿s 1993 novel Wolf Whistle, two works about Emmett Till¿s tragic murder in 1955. This study, then, illuminates the intersection of literature and mythology, revealing how literature is useful for both creating and subverting myth¿and revealing how authors undertake this task.
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This research focused on the re-emerging of national and minority identities and the concomitant hostilities emerging from them in Hungary and in Romania. In particular the findings indicate that extremist incidents against members of minority groups on the local level seem to follow patterns in publicised media events. Violent attacks by skinheads against Gypsies in Hungary are often isolated incidents but are also inadvertently supported by biased media coverage, hostile majority attitudes and stereotyped behaviour reproduced in the media. The research also indicates that extremism both in Hungary against Gypsies and in Romania against Hungarians is of three kinds: organised within the framework of extremist groups, state-supported violence (both real and symbolic), and isolated, local instances with a few perpetrators committing atrocities. However, and this is a positive development, with rising interethnic tensions and extremist attacks prevalent in Hungary and Romania, there is also a parallel emergence of a more sophisticated human and minority rights campaign to combat them.
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Panel 4: Transnational Memory of Mass Violence Anne Waehrens, University of Copenhagen/Danish Institute for International Studies, Denmark: “Is There a Shared European memory? Holocaust Remembrance in the European Parliament after 1989" Download paper (login required) Ran Zwigenberg, City University of New York: “The Hiroshima-Auschwitz Peace March and the Globalization of Victimhood” Download paper (login required) Mark Zaurov, University of Hamburg, Germany: "The Current Situation of Human Rights for Deaf People with Respect to the Deaf Holocaust" Download paper (login required) Chair: Natalya Lazar and Jody Manning, Clark UniversityComment: Ken McLean, Clark University
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CD95 (Fas/Apo-1)-mediated apoptosis was shown to occur through two distinct pathways. One involves a direct activation of caspase-3 by large amounts of caspase-8 generated at the DISC (Type I cells). The other is related to the cleavage of Bid by low concentration of caspase-8, leading to the release of cytochrome c from mitochondria and the activation of caspase-3 by the cytochrome c/APAF-1/caspase-9 apoptosome (Type II cells). It is also known that the protein synthesis inhibitor cycloheximide (CHX) sensitizes Type I cells to CD95-mediated apoptosis, but it remains contradictory whether this effect also occurs in Type II cells. Here, we show that sub-lethal doses of CHX render both Type I and Type II cells sensitive to the apoptogenic effect of anti-CD95 antibodies but not to chemotherapeutic drugs. Moreover, Bcl-2-positive Type II cells become strongly sensitive to CD95-mediated apoptosis by the addition of CHX to the cell culture. This is not the result of a restraint of the anti-apoptotic effect of Bcl-2 at the mitochondrial level since CHX-treated Type II cells still retain their resistance to chemotherapeutic drugs. Therefore, CHX treatment is granting the CD95-mediated pathway the ability to bypass the mitochondria requirement to apoptosis, much alike to what is observed in Type I cells.
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HAMLET, a complex of partially unfolded alpha-lactalbumin and oleic acid, kills a wide range of tumor cells. Here we propose that HAMLET causes macroautophagy in tumor cells and that this contributes to their death. Cell death was accompanied by mitochondrial damage and a reduction in the level of active mTOR and HAMLET triggered extensive cytoplasmic vacuolization and the formation of double-membrane-enclosed vesicles typical of macroautophagy. In addition, HAMLET caused a change from uniform (LC3-I) to granular (LC3-II) staining in LC3-GFP-transfected cells reflecting LC3 translocation during macroautophagy, and this was blocked by the macroautophagy inhibitor 3-methyladenine. HAMLET also caused accumulation of LC3-II detected by Western blot when lysosomal degradation was inhibited suggesting that HAMLET caused an increase in autophagic flux. To determine if macroautophagy contributed to cell death, we used RNA interference against Beclin-1 and Atg5. Suppression of Beclin-1 and Atg5 improved the survival of HAMLET-treated tumor cells and inhibited the increase in granular LC3-GFP staining. The results show that HAMLET triggers macroautophagy in tumor cells and suggest that macroautophagy contributes to HAMLET-induced tumor cell death.
Resumo:
CONTEXT: Thyroid transcription factor 1 (TITF1/NKX2.1) is expressed in the thyroid, lung, ventral forebrain, and pituitary. In the lung, TITF1/NKX2.1 activates the expression of genes critical for lung development and function. Titf/Nkx2.1(-/-) mice have pituitary and thyroid aplasia but also impairment of pulmonary branching. Humans with heterozygous TITF1/NKX2.1 mutations present with various combinations of primary hypothyroidism, respiratory distress, and neurological disorders. OBJECTIVE: The objective of the study was to report clinical and molecular studies of the first patient with lethal neonatal respiratory distress from a novel heterozygous TITF1/NKX2.1 mutation. Participant: This girl, the first child of healthy nonconsanguineous French-Canadian parents, was born at 41 wk. Birth weight was 3,460 g and Apgar scores were normal. Soon after birth, she developed acute respiratory failure with pulmonary hypertension. At neonatal screening on the second day of life, TSH was 31 mU/liter (N <15) and total T(4) 245 nmol/liter (N = 120-350). Despite mechanical ventilation, thyroxine, surfactant, and pulmonary vasodilators, the patient died on the 40th day. RESULTS: Histopathology revealed pulmonary tissue with low alveolar counts. The thyroid was normal. Sequencing of the patient's lymphocyte DNA revealed a novel heterozygous TITF1/NKX2.1 mutation (I207F). This mutation was not found in either parent. In vitro, the mutant TITF-1 had reduced DNA binding and transactivation capacity. CONCLUSION: This is the first reported case of a heterozygous TITF1/NKX2.1 mutation leading to neonatal death from respiratory failure. The association of severe unexplained respiratory distress in a term neonate with mild primary hypothyroidism is the clue that led to the diagnosis.