Evidence map›Paper›PMID 29540150›Full record

ArticleBMC nephrology2018

Expression of brain-derived neurotrophic factor in kidneys from normal and cyclosporine-treated rats.

Yuan Sheng Tao, Shang Guo Piao, Ying Shun Jin, Ji Zhe Jin, Hai Lan Zheng, Hai Yan Zhao, Sun Woo Lim, Chul Woo Yang, Can Li

Open access · goldAbstract read
In one paragraph

Article in BMC nephrology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
0.7field-weighted citation impact, top 27% 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

14 citing papers in PubMed, 15 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Kidney organoids in translational medicine: Disease modeling and regenerative medicine.Developmental dynamics : an official publication of the American Association of Anatomists · 2020
    Review
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

9 authors at 3 institutions in 2 countries.

Yuan Sheng TaoDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Shang Guo PiaoDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Ying Shun JinDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Ji Zhe JinDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Hai Lan ZhengDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Hai Yan ZhaoHealth Examination Center, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China.
Sun Woo LimTransplant Research Center, Convergent Research Consortium for Immunologic Disease, The Catholic University of Korea, Seoul, South Korea.
Chul Woo YangTransplant Research Center, Convergent Research Consortium for Immunologic Disease, The Catholic University of Korea, Seoul, South Korea.
Can LiDepartment of Nephrology, Yanbian University Hospital, #1327 Juzi St., Yanji, 133000, Jilin Province, People's Republic of China. lican@ybu.edu.cn.ORCID 0000-0002-9412-4412
Yanbian University Hospital · CNCatholic University of Korea · KRThe Catholic University of Korea Seoul St. Mary's Hospital · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAccumulating evidence suggests that a decrease in brain-derived neurotrophic factor (BDNF) level induces a variety of psychiatric and neurological disorders. However, the expression and role of BDNF in the kidney have not been explored. The present study examined the expression of BDNF and tropomyosin-related kinase (Trk) receptors in an experimental model of chronic cyclosporine A (CsA) nephropathy.

methodsSprague-Dawley rats on a salt-deplete diet were treated daily for four weeks with vehicle or CsA. Urine profiles, apoptotic cell death, oxidative stress (8-hydroxy-2'-deoxyguanosine, 8-OHdG), and expression of BDNF and Trk receptors (TrkB and TrkC) were compared between groups. The impact of vasopressin infusion on the urine-concentrating ability was examined by measuring the expression of aquaporin-2 (AQP-2) and BDNF and urine profiles in normal and CsA-treated rats.

resultsCompared with the vehicle-treated rats, rats given CsA had enhanced urine volume and declined urine osmolality. Immunohistochemistry and immunoblotting showed that BDNF and Trk receptors were constitutively expressed in kidneys from vehicle-treated rats. This was confirmed by double immunofluorescent staining for Na-K-ATPase-α1, AQP-1, and AQP-2. By contrast, the expression of these factors decreased in kidneys from CsA-treated rats (BDNF: 51.1 ± 19.5% vs. 102.0 ± 30.3%, p < 0.01). Downregulation of BDNF was accompanied by impairment of urine osmolality, and this was reversed by exogenous infusion of vasopressin. Notably, the number of TUNEL-positive cells correlated negatively with BDNF expression and positively with urinary 8-OHdG excretion.

conclusionsBDNF is expressed in the collecting duct of the kidney and may be associated with urine-concentrating ability in an experimental model of chronic CsA-induced nephropathy. Our study provides a new avenue for further investigation of chronic CsA nephropathy.

Indexed as

AnimalsBrain-Derived Neurotrophic FactorCyclosporineGene ExpressionImmunosuppressive AgentsKidneyMaleRandom AllocationRatsRats, Sprague-DawleyBdnf protein, ratBrain-Derived Neurotrophic FactorCyclosporineImmunosuppressive AgentsApoptosisBrain-derived neurotrophic factorCyclosporine ATyrosine kinaseUrine concentration abilityVasopressin

Identifiers

PMID29540150
PMCPMC5853162
OpenAlexW2804504388

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.