CD8+ CD28 and CD8+ CD57+ T cells and their role in health and disease

M Strioga, V Pasukoniene, D Characiejus - Immunology, 2011 - Wiley Online Library
Chronic antigenic stimulation leads to gradual accumulation of late‐differentiated, antigen‐
specific, oligoclonal T cells, particularly within the CD8+ T‐cell compartment. They are …

Aging and immune function: molecular mechanisms to interventions

S Ponnappan, U Ponnappan - 2011 - liebertpub.com
The immune system of an organism is an essential component of the defense mechanism
aimed at combating pathogenic stress. Age-associated immune dysfunction, also dubbed …

Aerobic fitness is associated with lower proportions of senescent blood T-cells in man

G Spielmann, BK McFarlin, DP O'Connor… - Brain, behavior, and …, 2011 - Elsevier
Senescent T-cells accumulate with age, lowering the naïve T-cell repertoire and increasing
host infection risk. As this response is likely to be influenced by certain lifestyle factors, we …

Age effects on B cells and humoral immunity in humans

D Frasca, A Diaz, M Romero, AM Landin… - Ageing research …, 2011 - Elsevier
Both humoral and cellular immune responses are impaired in aged individuals, leading to
decreased vaccine responses. Although T cell defects occur, defects in B cells play a …

Role of CMV in immune senescence

G Pawelec, E Derhovanessian - Virus research, 2011 - Elsevier
“Immune senescence” is a descriptive term for the deleterious age-associated changes to
immunity observed in all mammals studied so far. While all components of innate and …

[HTML][HTML] Role of CD8 T cell replicative senescence in human aging and in HIV-mediated immunosenescence

JN Dock, RB Effros - Aging and disease, 2011 - ncbi.nlm.nih.gov
As humans age, their immune systems undergo a process known as immunosenescence.
This global aging of the immune system is associated with increased susceptibility to …

Gain and loss of T cell subsets in old age—age-related reshaping of the T cell repertoire

CR Arnold, J Wolf, S Brunner… - Journal of clinical …, 2011 - Springer
The immune system is affected by the aging process and undergoes significant age-related
changes, termed immunosenescence. Different T cell subsets are affected by this process …

Influenza vaccine responses in older adults

JE McElhaney - Ageing research reviews, 2011 - Elsevier
The most profound consequences of immune senescence with respect to public health are
the increased susceptibility to influenza and loss of efficacy of the current split-virus …

Aging affects human B cell responses

D Frasca, BB Blomberg - Journal of clinical immunology, 2011 - Springer
Aging represents a complex remodeling in which both innate and adaptive immunities
deteriorate. Age-related changes in humoral immunity are responsible for the reduced …

Telomere/telomerase dynamics within the human immune system: effect of chronic infection and stress

RB Effros - Experimental gerontology, 2011 - Elsevier
Aging of the immune system is a major factor responsible for the increased severity of
infections, reduced responses to vaccines, and higher cancer incidence in the elderly. A …