Evidence map›Paper›PMID 28497232›Full record

ArticleJournal of cell communication and signaling2017

Tamoxifen for induction of Cre-recombination may confound fibrosis studies in female mice.

Lucas L Falke, Roel Broekhuizen, Alwin Huitema, Erik Maarseveen, Tri Q Nguyen, Roel Goldschmeding

Abstract read
In one paragraph

Article in Journal of cell communication and signaling, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

19 citing papers in PubMed, 21 citations in OpenAlex.

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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

6 authors at 1 institution in 1 country.

Lucas L FalkeDepartment of Pathology, UMC Utrecht, Heidelberglaan 100, 3584CX, Utrecht, The Netherlands.
Roel BroekhuizenDepartment of Pathology, UMC Utrecht, Heidelberglaan 100, 3584CX, Utrecht, The Netherlands.
Alwin HuitemaDepartment of Clinical Pharmacy, AVL Amsterdam, Amsterdam, Netherlands.
Erik MaarseveenDepartment of Clinical Pharmacy, UMC Utrecht, Utrecht, Netherlands.
Tri Q NguyenDepartment of Pathology, UMC Utrecht, Heidelberglaan 100, 3584CX, Utrecht, The Netherlands.
Roel GoldschmedingDepartment of Pathology, UMC Utrecht, Heidelberglaan 100, 3584CX, Utrecht, The Netherlands. R.Goldschmeding@umcutrecht.com.
University Medical Center Utrecht · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A variety of conditional knock-out mice relying on Tamoxifen-driven ERT2/Cre -mediated recombination are available and have been used to study involvement of specific genes in kidney disease. However, recent data suggest that Tamoxifen itself might attenuate fibrosis when administered during experimental models of kidney disease. It has remained unclear whether this still applies also if kidney damage is initiated after a wash-out period has been implemented. Here we report that the commonly applied regimen of administration of 4 alternate day doses of 1mg Tamoxifen per mouse until 14 days prior to start of the actual experiment, in this case the induction of obstructive nephropathy by Unilateral Ureteral Obstruction (UUO), still attenuated fibrosis in female obstructed mouse kidneys, whereas this effect was not seen in male obstructed kidneys. Attenuation of fibrosis was accompanied by a reduction in nuclear ERα positivity despite absence of detectable levels of the active tamoxifen metabolite endoxifen throughout the UUO experiment. In conclusion, these results indicate that the Tamoxifen dosing regimen commonly applied in conditional gene targeting experiments might have prolonged confounding effects in female mice through attenuation of renal fibrosis independent of modulation of the expression of the targeted gene(s).

Indexed as

ERαFibrosisGenderTamoxifenUUO

Identifiers

PMID28497232
PMCPMC5440352
OpenAlexW2612239349

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.