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The present research aimed to investigate peripheral blood gene expression profiling as a minimally invasive surrogate approach to study silica-induced pulmonary toxicity. Rats were exposed to crystalline silica by inhalation (15 mg/m3, 6 hours/day, 5 days). Pulmonary damage and blood gene expressio...
ORGANISM(S): Rattus norvegicus 
Non-invasive or minimally invasive surrogate approaches to detect/predict target organ toxicity have significant practical applications in occupational toxicology. Presently, using a rat model, we have investigated the potential application of peripheral blood transcriptomics as a practical approach...
ORGANISM(S): Rattus norvegicus 
Autoimmune diseases are common and debilitating, but their severe manifestations could be reduced if biomarkers were available to allow individual tailoring of the potentially toxic immunosuppressive therapy required for their control. Clinically useful biomarkers have been identified using DNA micr...
ORGANISM(S): Homo sapiens 
Identification of molecular target(s) and mechanism(s) of silica-induced pulmonary toxicity is important for the intervention and/or prevention of diseases associated with occupational exposure to crystalline silica. Rats were exposed to crystalline silica by inhalation (15 mg/m3, 6 h/day, 5 days) a...
ORGANISM(S): Rattus norvegicus 
We compared early biological changes in mice after inhalation exposures to cigarette smoke or e-vapor aerosols (MarkTen® cartridge with Carrier, Test-1, or Test-2 formulations; 4% nicotine). Female C57BL/6 mice were exposed to 3R4F cigarette smoke or e-vapor aerosols by nose-only inhalation for up t...
ORGANISM(S): Mus musculus 
Over 50 types of cancer acquire TERT promoter mutations. These single point mutations reactivate telomerase, allowing for indefinite maintenance of telomere length and enabling cellular immortalization. The transcription factor binding site created by the point mutations specifically recruit the ETS...
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