There is a lack of suitable animal models that replicate the slowly progressive chronic interstitial fibrosis that is characteristic of many human chronic nephropathies. We describe a chronic long-term (6-mo) model of lithium-induced renal fibrosis, with minimal active inflammation, which mimics chronic kidney interstitial fibrosis seen in the human kidney. Rats received lithium via their chow (60 mmol lithium/kg food) daily for 6 mo. No animals died during the exposure. Nephrogenic diabetes insipidus was established by 3 wk and persisted for the 6 mo. Following metabolic studies, the animals were killed at 1, 3, and 6 mo and the kidneys were processed for histological and immunohistochemical studies. Progressive interstitial fibrosis, characterized by increasing numbers of myofibroblasts, enhanced transforming growth factor-β(1) expression and interstitial collagen deposition, and a minimal inflammatory cellular response was evident. Elucidation of the underlying mechanisms of injury in this model will provide a greater understanding of chronic interstitial fibrosis and allow the development of intervention strategies to prevent injury.
Pharmacology, Toxicology and Pharmaceutical Science
1
3%
Psychology
1
3%
Other
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Unknown
11
33%
Attention Score in Context
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 January 2013.
All research outputs
#24,893,401
of 34,518,147 outputs
Outputs from American Journal of Physiology: Renal Physiology
#3,354
of 4,396 outputs
Outputs of similar age
#259,589
of 345,478 outputs
Outputs of similar age from American Journal of Physiology: Renal Physiology
#19
of 32 outputs
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