Evidence map›Paper›PMID 26878135›Full record

ArticleLaboratory investigation; a journal of technical methods and pathology2016

DA-1229, a dipeptidyl peptidase IV inhibitor, protects against renal injury by preventing podocyte damage in an animal model of progressive renal injury.

Jee Eun Lee, Jung Eun Kim, Mi Hwa Lee, Hye Kyoung Song, Jung Yeon Ghee, Young Sun Kang, Hye Sook Min, Hyun Wook Kim, Jin Joo Cha, Jee Young Han and 2 more

Open access · bronzeAbstract read
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In one paragraph

Article in Laboratory investigation; a journal of technical methods and pathology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

22 citing papers in PubMed, 36 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

12 authors at 4 institutions in 1 country.

Jee Eun LeeDivision of Nephrology, Department of Internal Medicine, Wonkwang University, Gunpo, Korea.
Jung Eun KimDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Mi Hwa LeeDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Hye Kyoung SongDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Jung Yeon GheeDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Young Sun KangDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Hye Sook MinDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Hyun Wook KimDivision of Nephrology, Department of Internal Medicine, Wonkwang University, Gunpo, Korea.
Jin Joo ChaDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Jee Young HanDepartment of Pathology, Inha University, Incheon, Korea.
Sang Youb HanDivision of Nephrology, Department of Internal Medicine, Inje University, Ilsan, Korea.
Dae Ryong ChaDivision of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea.
Korea University · KRWonkwang University · KRInha University · KRInje University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Although dipeptidyl peptidase IV (DPPIV) inhibitors are known to have renoprotective effects, the mechanism underlying these effects has remained elusive. Here we investigated the effects of DA-1229, a novel DPPIV inhibitor, in two animal models of renal injury including db/db mice and the adriamycin nephropathy rodent model of chronic renal disease characterized by podocyte injury. For both models, DA-1229 was administered at 300 mg/kg/day. DPPIV activity in the kidney was significantly higher in diabetic mice compared with their nondiabetic controls. Although DA-1229 did not affect glycemic control or insulin resistance, DA-1229 did improve lipid profiles, albuminuria and renal fibrosis. Moreover, DA-1229 treatment resulted in decreased urinary excretion of nephrin, decreased circulating and kidney DPPIV activity, and decreased macrophage infiltration in the kidney. In adriamycin-treated mice, DPPIV activity in the kidney and urinary nephrin loss were both increased, whereas glucagon-like peptide-1 concentrations were unchanged. Moreover, DA-1229 treatment significantly improved proteinuria, renal fibrosis and inflammation associated with decreased urinary nephrin loss, and kidney DPP4 activity. In cultured podocytes, DA-1229 restored the high glucose/angiotensin II-induced increase of DPPIV activity and preserved the nephrin levels in podocytes. These findings suggest that activation of DPPIV in the kidney has a role in the progression of renal disease, and that DA-1229 may exert its renoprotective effects by preventing podocyte injury.

Indexed as

AnimalsChemokine CCL2Diabetic NephropathiesDipeptidyl Peptidase 4Dipeptidyl-Peptidase IV InhibitorsDisease Models, AnimalDoxorubicinInflammation MediatorsKidneyMaleMembrane ProteinsMiceMice, Inbred C57BLOsteopontinPiperazinesPodocytes4-(3-amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-oneCcl2 protein, mouseChemokine CCL2Dipeptidyl Peptidase 4Dipeptidyl-Peptidase IV InhibitorsDoxorubicinDpp4 protein, mouseInflammation MediatorsMembrane ProteinsnephrinOsteopontinPiperazinesProtective AgentsSpp1 protein, mouse

Identifiers

PMID26878135
OpenAlexW2277620255

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.