Evidence map›Paper›PMID 19159945›Full record

ArticleHistochemistry and cell biology2009

Progressive renal dysfunction and macrophage infiltration in interstitial fibrosis in an adenine-induced tubulointerstitial nephritis mouse model.

Mizuho Tamura, Reiko Aizawa, Masatoshi Hori, Hiroshi Ozaki

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Article in Histochemistry and cell biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
0.9field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

52 citing papers in PubMed, 84 citations in OpenAlex.

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  20. Recent advances on the mechanisms of kidney stone formation (Review).International journal of molecular medicine · 2021
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Mizuho TamuraDepartment of Veterinary Pharmacology, Graduate School of Agriculture and Life Sciences, University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan.
Reiko Aizawa
Masatoshi Hori
Hiroshi Ozaki
The University of Tokyo · JPTeijin (Japan) · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adenine phosphoribosyltransferase deficiency in mice or an excessive oral intake of adenine leads to the accumulation of 2,8-dihydroxyadenine (DHA) in renal tubules and that causes progressive renal dysfunction accompanied by interstitial fibrosis. However, the precise mechanism responsible for DHA-induced progressive fibrosis is not fully understood. The present study investigates the possible involvement of monocytes/macrophages in the progressive fibrosis induced by feeding adenine to mice. Urinary calculi were deposited in tubules on day 7 after the initiation of adenine feeding. Elevation of the serum creatinine level and loss of body weight were observed in a time-dependent manner, suggesting the development of typical renal dysfunction induced by the adenine feeding. In renal tissue, mRNA expression of MCP-1, MIP-1alpha, RANTES, IL-1beta, CCR2, TGF-beta, alpha-smooth muscle actin (alpha-SMA) and collagen 1a1 was increased in parallel. Along with the increased expression of these genes, a remarkable infiltration of macrophages into the tubulointerstitial area was observed in a time-dependent manner. In addition, in the tubulointerstitial area, alpha-SMA positive fibroblasts were increased in parallel with collagen deposition. These results suggest that the excessive consumption of adenine leads to progressive renal dysfunction in mice. We speculate that the accumulation of DHA in tubules might stimulate epithelium to produce MCP-1 and that profibrogenic TGF-beta produced by infiltrated macrophages might stimulate interstitial fibroblasts to produce collagen. These results indicate that macrophage infiltration is one of the triggers that initiates interstitial fibroblast activation and collagen deposition followed by renal dysfunction.

Indexed as

ActinsAdenineAnimalsChemokinesChemotaxisCollagenCytokinesDisease Models, AnimalFibrosisKidney TubulesMacrophagesMaleMiceMice, Inbred C57BLNephritis, Interstitial2,8-dihydroxyadenineActa2 protein, mouseActinsAdenineChemokinesCollagenCytokines

Identifiers

PMID19159945
OpenAlexW2036975993

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.