Search results for "Geriatrics"
showing 10 items of 1388 documents
Do mobility, cognitive functioning, and depressive symptoms mediate the association between social activity and mortality risk among older men and wo…
2013
Social activity and health correlate in old age, but less is known about what explains this association. The aim of this study was to investigate whether mobility, cognitive functioning, and depressive symptoms mediate the association between social activity and mortality risk, or whether they alternatively should be considered as prerequisites for social activity in older Finnish men and women. In 1988, 406 men and 775 women aged 65–84 years took part in face-to-face interviews about their health, socioeconomic status, and social activities. Confirmatory factor analyses were used to form latent variables describing collective and productive social activity. Latent variable models were used…
Qué Podemos Aprender de los Sistemas Educativos de Chile, España y Finlandia en el Marco de la Declaración de Salamanca
2019
espanolEl presente articulo compara los sistemas de Educacion Especial de Chile, Espana y Finlandia, desde la perspectiva de la Declaracion de Salamanca para las Necesidades Educativas Especiales (NEE). Tanto el contexto general de sus sistemas educativos como su orientacion epistemologica respecto de la Educacion Especial, los marcos regulatorios de cada sistema, los procedimientos de deteccion y derivacion de ninos con NEE, y la estructura de los servicios de atencion a la diversidad, dialogan de manera particular con los compromisos adquiridos en 1994. Se muestran las principales diferencias entre los sistemas, destacando la gran variabilidad respecto de la definicion de NEE y sus estrat…
Serial Production, Serial Photography, and the Writing of History in Three Farmers on Their Way to a Dance.
2010
Three Farmers on their Way to a Dance, titre d’une photographie qu’August Sander prit en 1914, hante le roman éponyme de Richard Powers. Cette photographie faisait partie d’un projet plus vaste, intitulé « Hommes du vingtième siècle » par Sander qui entendait dresser un inventaire des habitants de sa province natale, le Westerwald. Sander composa ainsi un catalogue de plus de 600 photos d’Allemands de tous types, dont il fit plus tard paraître une partie sous le nom de Visage de notre temps. Dans le roman de Richard Powers, le motif de la série se déploie entre les pôles incarnés par Henry Ford et August Sander, dont les séries de voitures et de photographies deviennent la métaphore du mode…
Immunosenescence and Cytomegalovirus
2010
Since Looney at al. published their seminal paper a decade ago [1] it has become clear that many of the differences in T cell immunological parameters observed between young and old people are related to the age-associated increasing prevalence of infection with the persistent β-herpesvirus HHV-5 (Cytomegalovirus). Ten years later, studies suggest that hallmark age-associated changes in peripheral blood T cell subset distribution may not occur at all in people who are not infected with this virus [[2]; Derhovanessian et al., in press]. Whether the observed changes are actually caused by CMV is an open question, but very similar, rapid changes observed in uninfected patients receiving CMV-in…
Immunosenescence and lymphomagenesis
2018
Abstract One of the most important determinants of aging-related changes is a complex biological process emerged recently and called “immunosenescence”. Immunosenescence refers to the inability of an aging immune system to produce an appropriate and effective response to challenge. This immune dysregulation may manifest as increased susceptibility to infection, cancer, autoimmune disease, and vaccine failure. At present, the relationship between immunosenescence and lymphoma in elderly patients is not defined in a satisfactory way. This review presents a brief overview of the interplay between aging, cancer and lymphoma, and the key topic of immunosenescence is addressed in the context of t…
Mung Bean nuclease mapping of RNAs 3' end
2009
Abstract A method is described that allows an accurate mapping of 3' ends of RNAs. In this method a labeled DNA probe, containing the presumed 3' end of the RNA under analysis is allowed to anneals to the RNA itself. Mung-bean nuclease is then used to digest single strands of both RNA and DNA. Electrophoretic fractionation of "protected" undigested, labeled DNA is than performed using a sequence reaction of a known DNA as length marker. This procedure was applied to the analysis of both a polyA RNA (Interleukin 10 mRNA) and non polyA RNAs (sea urchin 18S and 26S rRNAs). This method might be potentially relevant for the evaluation of the role of posttrascriptional control of IL-10 in the pat…
Curcumin, inflammation, ageing and age-related diseases
2010
Abstract A Symposium regarding the Pathophysiology of Successful and Unsuccessful Ageing was held in Palermo, Italy between April 7 and 8th 2009. Here the lecture by Sikora with some input from the chairpersons Scapagnini and Barbagallo is summarized. Ageing is manifested by the decreasing health status and increasing probability to acquire age-related disease such as cancer, Alzheimer's disease, atherosclerosis, metabolic disorders and others. They are likely caused by low grade inflammation driven by oxygen stress and manifested by the increased level of pro-inflammatory cytokines such as IL-1, IL-6 and TNF-α, encoded by genes activated by the transcription factor NF-κB. It is believed th…
Age and immunity
2006
Abstract Longitudinal studies are defining progressive alterations to the immune system associated with increased mortality in the very elderly. Many of these changes are exacerbated by or even caused by chronic T cell stimulation by persistent antigen, particularly from Cytomegalovirus. The composition of T cell subsets, their functional integrity and representation in the repertoire are all markedly influenced by age and by CMV. How these findings relate to epidemiological, functional, genetic, genomic and proteomic studies of human T cell immunosenescence was the subject of intense debate at an international conference held just before Christmas 2005 in the Black Forest.
Role of persistent CMV infection in configuring T cell immunity in the elderly
2007
Abstract Ageing is associated with declines in many physiological parameters, including multiple immune system functions. The rate of acceleration of the frequency of death due to cardiovascular disease or cancer seems to increase with age from middle age up to around 80 years, plateauing thereafter. Mortality due to infectious disease, however, does not plateau, but continues to accelerate indefinitely. The elderly commonly possess oligoclonal expansions of T cells, especially of CD8 cells, which, surprisingly, are often associated with cytomegalovirus (CMV) seropositivity. This in turn is associated with many of the same phenotypic and functional alterations to T cell immunity that have b…
Hemostasis and ageing
2008
Abstract On March 19, 2008 a Symposium on Pathophysiology of Ageing and Age-Related Diseases was held in Palermo, Italy. The lecture of D. Mari on Hemostasis and ageing is summarized herein. Physiological ageing is associated with increased plasma levels of many proteins of blood coagulation together with fibrinolysis impairment. This may be of great concern in view of the known association between vascular and thromboembolic diseases and ageing. On the other hand, centenarians are characterized by a state of hypercoagulability and possession of several high-risk alleles and well-known atherothrombotic risk markers but this appears to be compatible with longevity and/or health. Parameters c…