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Journal of Environmental Pathology, Toxicology and Oncology
Impact-faktor: 1.241 5-jähriger Impact-Faktor: 1.349 SJR: 0.356 SNIP: 0.613 CiteScore™: 1.61

ISSN Druckformat: 0731-8898
ISSN Online: 2162-6537

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvironPatholToxicolOncol.v20.i2.40
3 pages

Optical Visualization of Microsomal Degranulation by a Carcinogen

Harinder M. Dani
Department of Biochemistry, Panjab University, Chandigarh, 160014, India
Parminder Kaur
Department of Biochemistry, Panjab University, Chandigarh-160014, India

ABSTRAKT

We report here for the first time the optical visualization of microsomal degranulation induced by a carcinogen (p-dimethylaminoazobenzene), employing analytical ultracentrifugation.Our observations demonstrate that electrophiles of a carcinogen can disrupt ribosome-membrane interaction in rough microsomes by their attacks on nucleophilic components of the reticular membrane-ribosome complex involved in protein synthesis for export from the cytosol. Lack of exported proteins can adversely affect signal transduction across plasma membrane, possibly leading to carcinogenesis.


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