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The impact of aging...
The impact of aging and TLR2 deficiency on the clinical outcomes of Staphylococcus aureus bacteremia.
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- Hu, Zhicheng (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Kopparapu, Pradeep Kumar (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Deshmukh, Megshree (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Jarneborn, Anders (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Gupta, Priti (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Ali, Abukar, 1988 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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Fei, Ying (author)
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- Engdahl, Cecilia, 1983 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Pullerits, Rille, 1969 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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- Mohammad, Majd (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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- Jin, Tao, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning,Institute of Medicine, Department of Rheumatology and Inflammation Research
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(creator_code:org_t)
- 2023-02-20
- 2023
- English.
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In: The Journal of infectious diseases. - : Oxford University Press (OUP). - 0022-1899 .- 1537-6613. ; 228:3, s. 332-342
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Abstract
Subject headings
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- Staphylococcus aureus (S. aureus) causes a broad range of infections. TLR2 senses the S. aureus lipoproteins in S. aureus infections. Aging raises the risk of infection. Our aim was to understand how aging and TLR2 impact the clinical outcomes of S. aureus bacteremia. Four groups of mice (Wild type/young, Wild type/old, TLR2-/-/young, and TLR2-/-/old) were intravenously infected with S. aureus, and the infection course was followed. Both TLR2 deficiency and aging enhanced the susceptibility to disease. Increased age was the main contributing factor to mortality and changes in spleen weight, whereas other clinical parameters such as weight loss and kidney abscess formation were more TLR2 dependent. Importantly, aging increased mortality without relying on TLR2. In vitro, both aging and TLR2 deficiency downregulated cytokine/chemokine production of immune cells with distinct patterns. In summary, we demonstrate that aging and TLR2 deficiency impair the immune response to S. aureus bacteremia in distinct ways.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reumatologi och inflammation (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Rheumatology and Autoimmunity (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Keyword
- Staphylococcus aureus
- TLR2
- aging
- bacteremia
- mouse
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Hu, Zhicheng
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Kopparapu, Prade ...
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Deshmukh, Megshr ...
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Jarneborn, Ander ...
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Gupta, Priti
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Ali, Abukar, 198 ...
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show more...
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Fei, Ying
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Engdahl, Cecilia ...
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Pullerits, Rille ...
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Mohammad, Majd
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Jin, Tao, 1973
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Rheumatology and ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Infectious Medic ...
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University of Gothenburg