Evidence map›Paper›PMID 26449449›Full record

ArticleJournal of materials science. Materials in medicine2015

Porous titanium and Ti-35Nb alloy: effects on gene expression of osteoblastic cells derived from human alveolar bone.

Renata Falchete do Prado, Sylvia Bicalho Rabêlo, Dennia Perez de Andrade, Rodrigo Dias Nascimento, Vinicius André Rodrigues Henriques, Yasmin Rodarte Carvalho, Carlos Alberto Alves Cairo, Luana Marotta Reis de Vasconcellos

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In one paragraph

Article in Journal of materials science. Materials in medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

9 citing papers in PubMed, 30 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

8 authors at 1 institution in 1 country.

Renata Falchete do PradoInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil. renatafalchete@hotmail.com.
Sylvia Bicalho RabêloInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil.
Dennia Perez de AndradeInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil.
Rodrigo Dias NascimentoInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil.
Vinicius André Rodrigues HenriquesMaterial Division, Air and Space Institute, General Command of Aerospace Technology, São José dos Campos, Praça Mal. do Ar Eduardo Gomes, 14, São José dos Campos, São Paulo, 12904-000, Brazil.
Yasmin Rodarte CarvalhoInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil.
Carlos Alberto Alves CairoMaterial Division, Air and Space Institute, General Command of Aerospace Technology, São José dos Campos, Praça Mal. do Ar Eduardo Gomes, 14, São José dos Campos, São Paulo, 12904-000, Brazil.
Luana Marotta Reis de VasconcellosInstitute of Science and Technology, São Paulo State University, Av. Engenheiro Francisco José Longo, 777, São José dos Campos, São Paulo, 12245-000, Brazil.
Universidade Estadual Paulista (Unesp) · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tests on titanium alloys that possess low elastic modulus, corrosion resistance and minimal potential toxicity are ongoing. This study aimed to evaluate the behavior of human osteoblastic cells cultured on dense and porous Titanium (Ti) samples comparing to dense and porous Ti-35 Niobium (Ti-35Nb) samples, using gene expression analysis. Scanning electronic microscopy confirmed surface porosity and pore interconnectivity and X-ray diffraction showed titanium beta-phase stabilization in Ti-35Nb alloy. There were no differences in expression of transforming growth factor-β, integrin-β1, alkaline phosphatase, osteopontin, macrophage colony stimulating factor, prostaglandin E synthase, and apolipoprotein E regarding the type of alloy, porosity and experimental period. The experimental period was a significant factor for the markers: bone sialoprotein II and interleukin 6, with expression increasing over time. Porosity diminished Runt-related transcription factor-2 (Runx-2) expression. Cells adhering to the Ti-35Nb alloy showed statistically similar expression to those adhering to commercially pure Ti grade II, for all the markers tested. In conclusion, the molecular mechanisms of interaction between human osteoblasts and the Ti-35Nb alloy follow the principal routes of osseointegration of commercially pure Ti grade II. Porosity impaired the route of transcription factor Runx-2.

Indexed as

AlloysGene ExpressionNiobiumTitaniumAdultAlveolar ProcessFemaleHumansMaleMicroscopy, Electron, ScanningOsteoblastsPorosityReal-Time Polymerase Chain ReactionTissue ScaffoldsX-Ray DiffractionAlloysNiobiumTitanium

Identifiers

PMID26449449
OpenAlexW2293648577

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.