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Polymicrobial periodontal pathogens transcriptomes in calvarial bone and soft tissue

ABSTRACT: The objectives of this investigation were to examine changes in the host transcriptional profiles during a polymicrobial periodontal pathogens Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia infection using a murine calvarial model of inflammation and bone resorption. P. gingivalis FDC 381, T. denticola ATCC 35404, and T. forsythia ATCC 43037 was injected into the subcutaneous soft tissue over the calvaria of BALB/c mice for 3 days, after which the soft tissues and calvarial bones were excised. RNA was isolated from infected soft tissues and calvarial bones and analyzed for transcript profiles using Murine GeneChip® MG-MOE430A Affymetrix arrays to provide a molecular profile of the events that occur following infection of these tissues. We used mouse microarrays to detail the molecular profile of the events that occur following infection of calvarial and bone tissues and identified distinct classes of up- and down-regulated genes during this process.

ORGANISM(S): Mus musculus

PROVIDER: GSE29670 | GEO | 2014/01/10

SECONDARY ACCESSION(S): PRJNA141305

REPOSITORIES: GEO

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Polymicrobial periodontal pathogens transcriptomes in calvarial bone and soft tissue

Project description:The objectives of this investigation were to examine changes in the host transcriptional profiles during a polymicrobial periodontal pathogens Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia infection using a murine calvarial model of inflammation and bone resorption. P. gingivalis FDC 381, T. denticola ATCC 35404, and T. forsythia ATCC 43037 was injected into the subcutaneous soft tissue over the calvaria of BALB/c mice for 3 days, after which the soft tissues and calvarial bones were excised. RNA was isolated from infected soft tissues and calvarial bones and analyzed for transcript profiles using Murine GeneChipM-BM-. MG-MOE430A Affymetrix arrays to provide a molecular profile of the events that occur following infection of these tissues. We used mouse microarrays to detail the molecular profile of the events that occur following infection of calvarial and bone tissues and identified distinct classes of up- and down-regulated genes during this process. P. gingivalis/T. denticola/T. forsythia was injected at 5 x 108 each (N = 10) into the soft tissues overlying the calvaria of the mice for 3 days. A control group (N = 9) was injected with vehicle once daily for 3 days. Mice were euthanized 8 h after the last injection. The calvarial bones and overlying soft tissues from 5 mice in each group were excised, snap frozen in liquid nitrogen, and stored at M-bM-^@M-^S80M-BM-0C until RNA isolation. Total RNA was isolated from the frozen calvarial tissue and calvarial bone from each mouse (Polymicrobial bacteria infected and control animals, N = 5 in each group) with Trizol reagent (Invitrogen, CA). Equal amounts of RNA from samples were labeled and hybridized on a mouse GeneChip following the protocol described in the GeneChip Expression Analysis Technical manual (Affymetrix, Santa Clara, CA). After hybridization, the GeneChip arrays were stained and scanned in an Affymetrix GCS 3000 7G Scanner.

2014-01-10 | E-GEOD-29670 | biostudies-arrayexpress

Molecular Characterization of Treponema denticola infection-induced bone and soft tissue transcriptional profiles

2010-11-16 | GSE19855 | GEO

Molecular Characterization of Treponema denticola infection-induced bone and soft tissue transcriptional profiles

Project description:The objectives of this investigation were to examine changes in the host transcriptional profiles during a Treponema denticola infection using a murine calvarial model of inflammation and bone resorption. T. denticola ATCC 35404 was injected into the subcutaneous soft tissue over the calvaria of BALB/c mice for 3 days, after which the soft tissues and calvarial bones were excised. RNA was isolated from infected soft tissues and calvarial bones and analyzed for transcript profiles using Murine GeneChip® MG-MOE430A Affymetrix arrays to provide a molecular profile of the events that occur following infection of these tissues. We used mouse microarrays to detail the molecular profile of the events that occur following infection of calvarial and bone tissues and identified distinct classes of up- and down-regulated genes during this process. T. denticola was injected at 1.5 x 109 (N = 10) into the soft tissues overlying the calvaria of the mice for 3 days. A control group (N = 9) was injected with vehicle once daily for 3 days. Mice were euthanized 8 h after the last injection. The calvarial bones and overlying soft tissues from 5 mice in each group were excised, snap frozen in liquid nitrogen, and stored at –80°C until RNA isolation. Total RNA was isolated from the frozen calvarial tissue and calvarial bone from each mouse (T. denticola infected and control animals) with Trizol reagent (Invitrogen, CA). Equal amounts of RNA from samples were labeled and hybridized on a mouse GeneChip following the protocol described in the GeneChip Expression Analysis Technical manual (Affymetrix, Santa Clara, CA). After hybridization, the GeneChip arrays were stained and scanned in an Affymetrix GCS 3000 7G Scanner.

2010-11-16 | E-GEOD-19855 | biostudies-arrayexpress

Gene expression data from P. gingivalis infected Mouse

2010-07-15 | GSE17110 | GEO

Gene expression data from P. gingivalis infected Mouse

Project description:The objectives of this investigation were to examine changes in the host transcriptional profiles during a Porphyromonas gingivalis infection using a murine calvarial model of inflammation and bone resorption. P. gingivalis strain 381 was injected into the subcutaneous soft tissue over the calvaria of BALB/c mice for 3 days, after which the soft tissues and calvarial bones were excised. RNA was isolated from infected soft tissues and calvarial bones and analyzed for transcript profiles using Murine GeneChip® MG-MOE430A Affymetrix arrays to provide a molecular profile of the events that occur following infection of these tissues. We used mouse microarrays to detail the molecular profile of the events that occur following infection of calvarial and bone tissues and identified distinct classes of up- and down-regulated genes during this process. P. gingivalis was injected at 1.5 x 10E9 (N = 10) into the soft tissues overlying the calvaria of the mice for 3 days. A control group (N = 9) was injected with vehicle once daily for 3 days. Mice were euthanized 8 h after the last injection. The calvarial bones and overlying soft tissues from 5 mice in each group were excised, snap frozen in liquid nitrogen, and stored at –80°C until RNA isolation. Total RNA was isolated from the frozen calvarial tissue and calvarial bone from each mouse (P. gingivalis infected and control animals) with Trizol reagent (Invitrogen, CA). Equal amounts of RNA from samples were labeled and hybridized on a mouse GeneChip following the protocol described in the GeneChip Expression Analysis Technical manual (Affymetrix, Santa Clara, CA). After hybridization, the GeneChip arrays were stained and scanned in an Affymetrix GCS 3000 7G Scanner.

2010-07-15 | E-GEOD-17110 | biostudies-arrayexpress

Molecular Characterization of Tannerella forsythia infection-induced bone and soft tissue transcriptional profiles

Project description:The objectives of this investigation were to examine changes in the host transcriptional profiles during a Tannerella forsythia infection using a murine calvarial model of inflammation and bone resorption. T. forsythia ATCC 43037 was injected into the subcutaneous soft tissue over the calvaria of BALB/c mice for 3 days, after which the soft tissues and calvarial bones were excised. RNA was isolated from infected soft tissues and calvarial bones and analyzed for transcript profiles using Murine GeneChip® MG-MOE430A Affymetrix arrays to provide a molecular profile of the events that occur following infection of these tissues. We used mouse microarrays to detail the molecular profile of the events that occur following infection of calvarial and bone tissues and identified distinct classes of up- and down-regulated genes during this process.

2011-02-07 | GSE20389 | GEO

Porphyromonas gingivalis gene expression during co-culture with Treponema denticola

Project description:Porphyromonas gingivalis and Treponema denticola are periodontalpathogens that are associated with the severity and progression of periodontal diseases. This study investigates the gene expression of Porphyromonas gingivalis during co-culture with Treponema denticola

2014-03-31 | E-MTAB-2214 | biostudies-arrayexpress

Treponema denticola gene expression during co-culture with Porphyromonas gingivalis

Project description:Porphyromonas gingivalis and Treponema denticola are periodontalpathogens that are associated with the severity and progression of periodontal diseases. this study investigates the gene expression of Treponema denticola during co-culture with Porphyromonas gingivalis.

2014-03-31 | E-MTAB-2257 | biostudies-arrayexpress

Characterization of a potential ABC-type bacteriocin exporter protein from Treponema denticola

Project description:Background: Treponema denticola is strongly associated with the development of periodontal disease. Both synergistic and antagonistic effects are observed among bacterial species in the process of biofilm formation. Bacteriocin-related genes have not yet been fully characterized in periodontopathic bacteria. The aim of this study was to detect and characterize bacteriocin-associated proteins in T. denticola. Methods: The whole genome sequence of T. denticola ATCC 35405 was screened with a Streptococcus mutans bacteriocin immunity protein (ImmA/Bip) sequence. The prevalence of homologous genes in T. denticola strains was then investigated by Southern blotting. Expression of the genes was evaluated by qRT-PCR. Results: In the genome sequence of T. denticola, an amino acid sequence coded by open reading frame TDE_0719 showed 26% identity with the S. mutans ImmA. Furthermore, two protein sequences coded by TDE_0425 and TDE_2431 in T. denticola ATCC 35405 showed ~40% identity with that coded by TDE0719. Therefore, TDE_0425, TDE_0719, and TDE_2431 were designated as tepA1, A2, and A3, respectively. Open reading frames showing similarity to the HlyD family of secretion proteins were detected downstream of tepA1, A2, and A3. They were designated as tepB1, B2, and B3, respectively. A gene harboring a bacteriocin-like signal sequence was detected upstream of tepA1. The prevalence of tepA1 and A2 differed among Treponema species. Susceptibility to chloramphenicol and ofloxiacin was slightly decreased in a tepA2 mutant while that to kanamycin was increased. Expression of tepA3-B3 was increased in the tepA2 mutant. Conclusion: These results indicate that T. denticola ATCC 35405 has three potential bacteriocin export proteins and that the presence of these genes differs among the Treponema strains. These proteins may be involved in resistance to chloramphenicol.

2017-01-01 | GSE83445 | GEO

Investigation of the gene expression in the major surface protein deficient mutant of Treponema denticola

Project description:Treponema denticola is involved in chronic periodontitis pathogenesis. The mechanism underlying the regulation of the expression of its virulence factors, such as major surface protein (Msp) is yet to be clarified. We determined the gene expression profiles of Msp-deficient mutants of T. denticola. Gene expression profiles of T. denticola ATCC 35405 (wild type), and msp-deficient mutant, DMSP3, were determined using DNA microarray analysis. In addition to several differentially expressed genes, dentilisin expression was reduced in DMSP3. Potential repressor, TDE_0344, was elevated in DMSP3.

2021-02-27 | GSE159241 | GEO

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