Evidence map›Paper›PMID 23057020›Full record

ArticleThe International journal of oral & maxillofacial implants

Effects of coating a titanium alloy with fibronectin on the expression of osteoblast gene markers in the MC3T3 osteoprogenitor cell line.

Bruce E Rapuano, Kyle M Hackshaw, Hannes C Schniepp, Daniel E MacDonald

Abstract read
In one paragraph

Article in The International journal of oral & maxillofacial implants. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.9field-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

12 citing papers in PubMed, 25 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

4 authors at 1 institution in 1 country.

Bruce E RapuanoHospital for Special Sugery, Weill Medical College of Cornell University, New York, New York, USA.
Kyle M Hackshaw
Hannes C Schniepp
Daniel E MacDonald
Hospital for Special Surgery · US

Funding

Modulation of fibronectin to improve integration of dental implant materialsR01DE017695 · NIDCR · HOSPITAL FOR SPECIAL SURGERY · PI MACDONALD, DANIEL E · 2007 to 2011
$2.4M
EXTRAMURAL RESEARCH FACILITIES CONSTRUCTIONC06RR012538 · NCRR · HOSPITAL FOR SPECIAL SURGERY · PI BOSKEY, ADELE L · 1997 to 1997
–
NCRR NIH HHS C06 RR012538NCRR NIH HHS C06-RR12538-01NIDCR NIH HHS #R01 DE017695NIDCR NIH HHS R01 DE017695
6 · The paper itself

Abstract

purposeA number of environmental and patient-related factors contribute to implant failure. A significant fraction of these failures can be attributed to limited osseointegration resulting from poor bone healing responses. The overall goal of this study was to determine whether surface treatment of a titanium-aluminum-vanadium alloy (Ti-6Al-4V) implant material in combination with a biomimetic protein coating could promote the differentiation of attached osteoblastic cells. The specific aims of the study were to investigate whether osteoprogenitor cells cultured on a rigorously cleaned implant specimen showed a normal pattern of differentiation and whether preadsorbed fibronectin accelerated or enhanced osteoblast differentiation. MATERIALS AND

methodsTi-6Al-4V disks were rigorously cleaned, passivated in nitric acid, and dry heat- sterilized; some of the disks were then coated with 1 nmol/L fibronectin. MC3T3 osteoprogenitor cells were then cultured on the pretreated disks for several weeks. Quantitative real-time polymerase chain reaction was performed to measure changes over time in the mRNA levels of osteoblast genes.

resultsFibronectin increased the peak expression of all analyzed osteoblast gene markers. "Early" genes that normally mark the proliferative phase (0 to 10 days) of osteoblastic development showed peak expression within the first 10 days after cell attachment to the titanium alloy. In contrast, "late" genes that normally mark the differentiation (10 to 20 days) and mineralization (20 to 36 days) phases of osteoblastogenesis achieved peak expression only after approximately 3 to 4 weeks of culture.

conclusionsOsteoprogenitors cultured on a rigorously cleaned Ti-6Al-4V alloy were found to demonstrate a normal pattern of osteoblast differentiation. Preadsorbed fibronectin was observed to stimulate osteoblast differentiation during the mineralization phase of osteoblastogenesis.

Indexed as

TitaniumAlloysCell AdhesionCell DifferentiationCell LineFibronectinsGene ExpressionGenetic MarkersHumansOsseointegrationOsteoblastsReal-Time Polymerase Chain ReactionRNA, MessengerStem CellsSurface PropertiesAlloysFibronectinsGenetic MarkersRNA, MessengerTitaniumtitanium alloy (TiAl6V4)

Identifiers

PMID23057020
PMCPMC3810407
OpenAlexW205829464

What OpenQuestion holds

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LicenceTDM
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.