Reduced neutrophil chemotaxis and infiltration contributes to delayed resolution of cutaneous wound infection with advanced age

AL Brubaker, JL Rendon, L Ramirez… - The Journal of …, 2013 - journals.aai.org
Advanced age is associated with alterations in innate and adaptive immune responses,
which contribute to an increased risk of infection in elderly patients. Coupled with this …

Innate Immune Dysfunctions in Aged Mice Facilitate the Systemic Dissemination of Methicillin-Resistant S. aureus

CW Tseng, PA Kyme, A Arruda, VK Ramanujan… - PloS one, 2012 - journals.plos.org
Elderly humans show increased susceptibility to invasive staphylococcal disease after skin
and soft tissue infection. However, it is not understood how host immunity changes with …

Recruitment of inflammatory monocytes by senescent fibroblasts inhibits antigen-specific tissue immunity during human aging

ES Chambers, M Vukmanovic-Stejic, BB Shih… - Nature Aging, 2021 - nature.com
We have previously shown that healthy older adults exhibit reduced cutaneous immune
responses during a varicella zoster virus (VZV) antigen challenge that correlated with a …

[HTML][HTML] Age-related alterations in the inflammatory response to dermal injury

ME Swift, AL Burns, KL Gray, LA DiPietro - Journal of Investigative …, 2001 - Elsevier
Previous studies have documented that the ability to heal wounds declines with age.
Although many factors contribute to this age-associated deficit, one variable that has not …

Age-related changes in the local milieu of inflamed tissues cause aberrant neutrophil trafficking and subsequent remote organ damage

A Barkaway, L Rolas, R Joulia, J Bodkin, T Lenn… - Immunity, 2021 - cell.com
Aging is associated with dysregulated immune functions. Here, we investigated the impact of
age on neutrophil diapedesis. Using confocal intravital microscopy, we found that in aged …

Senescence in innate immune responses: reduced neutrophil phagocytic capacity and CD16 expression in elderly humans

SK Butcher, H Chahal, L Nayak… - Journal of leukocyte …, 2001 - academic.oup.com
Elderly humans are more susceptible to bacterial infections because of declining immune
status. We have investigated the effect of aging on neutrophil bactericidal responses …

Age-related alterations in innate immune receptor expression and ability of macrophages to respond to pathogen challenge in vitro

S Liang, H Domon, KB Hosur, M Wang… - Mechanisms of ageing …, 2009 - Elsevier
The impact of ageing in innate immunity is poorly understood. Studies in the mouse model
have described altered innate immune functions in aged macrophages, although these were …

Dysregulation of leukocyte trafficking in ageing: Causal factors and possible corrective therapies

S Hopkin, JM Lord, M Chimen - Pharmacological Research, 2021 - Elsevier
Ageing is a universal biological phenomenon that is accompanied by the development of
chronic, low-grade inflammation and remodelling of the immune system resulting in …

Neutrophil depletion delays wound repair in aged mice

N Nishio, Y Okawa, H Sakurai, K Isobe - Age, 2008 - Springer
One of the most important clinical problems in caring for elderly patients is treatment of
pressure ulcers. One component of normal wound healing is the generation of an …

Wound healing in aged skin exhibits systems-level alterations in cellular composition and cell-cell communication

R Vu, S Jin, P Sun, D Haensel, QH Nguyen, M Dragan… - Cell reports, 2022 - cell.com
Delayed and often impaired wound healing in the elderly presents major medical and
socioeconomic challenges. A comprehensive understanding of the cellular/molecular …