Evidence map›Paper›PMID 26722597›Full record

ArticleInternational journal of clinical and experimental pathology2015

Tanshinone IIA blocks dexamethasone-induced apoptosis in osteoblasts through inhibiting Nox4-derived ROS production.

Jia Li, Chongru He, Wenwen Tong, Yuming Zou, Dahe Li, Chen Zhang, Weidong Xu

Open access · greenAbstract read
In one paragraph

Article in International journal of clinical and experimental pathology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
2.4field-weighted citation impact, top 11% 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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 46 citations in OpenAlex.

  1. The Skeletal Effects of Tanshinones: A Review.Molecules (Basel, Switzerland) · 2021
    Pooled it
  2. Article
  3. Review
  4. Review
  5. Review
  6. Review
  7. Article
  8. Article
  9. Review
  10. Expanding the therapeutic potential ofFrontiers in pharmacology · 2023
    Review
  11. Review
  12. Article
  13. Total flavonoids ofMolecular medicine reports · 2021
    Article
  14. Review
  15. Article
  16. Article
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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

7 authors at 2 institutions in 1 country.

Jia LiDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Chongru HeDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Wenwen TongDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Yuming ZouDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Dahe LiDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Chen ZhangDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Weidong XuDepartment of Orthopedics, Changhai Hospital, Second Military Medical University Shanghai 200433, P. R. China.
Second Military Medical University · CNChanghai Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Apoptosis of osteoblasts caused by glucocorticoids has been identified as an important contributor to the development of osteoporosis. Tanshinone IIA (Tan), an active ingredient extracted from the rhizome of the Salvia miltiorrhiza Bunge (Danshen), has been reported to cast positive effects on osteoporosis. However, the precise mechanisms accounting this action remain elusive. In this study, by using osteoblastic MC3T3-E1 cells as a model, we confirmed the protective effects of Tan against dexamethasone (Dex)-induced cell apoptosis and further clarified its molecular mechanism of action. Our results showed that treatment with Dex caused cell injury, increased cytosol cytochrome c level and Nox expression, induced apoptosis in caspase-9-dependent manner, and enhanced reactive oxygen species (ROS) production. Tan attenuated these deleterious consequence triggered by Dex. Moreover, Dex-induced ROS production and cell injury were inhibited by antioxidant, NADPH oxidases inhibitors, Nox4 inhibitor, and Nox4 small interfering RNA (siRNA). Overexpression of Nox4 almost abolished the inhibitory effect of Tan on Dex-induced cell injury and apoptosis. The results also demonstrated significant involvement of Nox4 in the Dex-induced apoptosis. Nox4-derived ROS led to apoptosis through activation of intrinsic mitochondrial pathway. Additionally, we evidenced that Tan reversed Dex-induced apoptosis via inactivation of Nox4. The present findings suggest that inhibition of Nox4 may be a novel therapeutic approach of Tan to prevent against glucocorticoids-induced osteoblasts apoptosis and osteoporosis.

Indexed as

3T3 CellsAbietanesAnimalsAntioxidantsApoptosisCaspase 9DexamethasoneGlucocorticoidsHumansMiceMitochondriaNADPH Oxidase 4NADPH OxidasesOsteoblastsOsteoporosisReactive Oxygen SpeciesAbietanesAntioxidantsCaspase 9DexamethasoneGlucocorticoidsNADPH Oxidase 4NADPH OxidasesNox4 protein, mouseReactive Oxygen SpeciesRNA, Small InterferingtanshinoneapoptosisglucocorticoidsNox4osteoporosisTanshinone IIA

Identifiers

PMID26722597
PMCPMC4680542
OpenAlexW2238790889

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.