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An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , Scope Database , Academia , 

 ISSN 2394-3211

Impact Factor: 7.065

 ICV - 79.57



Zoltaszek R, ^* Walaszek Z ,^ Hanausek M,^ Slaga TJ,^ Kilianska ZM*


Calcium D-glucarate (CG) reportedly suppresses benzo[a]pyrene (B[a]P)-induced lung carcinogenesis in A/J mice, by inhibiting the enzyme ß-glucuronidase (ß-G). The protective mechanism conferred by ß-G inhibition operates, in part, through a reduction in oncogene mutations and suppression of cell proliferation and chronic inflammation. The aim of the current study was to provide evidence on the ability of CG not only to suppress cell proliferation and inflammation but also to induce apoptosis during post-initiation stages of B[a]P-induced lung tumorigenesis in A/J mice. Two doses of 3 mg of B[a]P were given intragastrically to A/J mice two weeks apart. CG administration in the AIN-93G diet (2.0% and 4.0%, w/w) started at 2 weeks after the second dose of B[a]P. There was no change in the calcium content of CG diets in comparison with the control AIN-93G diet. Mice were scarified at week 20 and estimation on serum ß-G level and proliferation, inflammation, and also chosen apoptosis marker analyses were performed. The proapoptotic effects of CG were investigated immunohistochemically using antibodies against active fragments of caspase 9 and poly(ADP-ribose) polymerase-1 (PARP-1), respectively. Both 2% and 4% diets reduced significantly not only the number of lung adenomas and hyperplasia 4 months after B[a]P gavaging. These diets also increased, in a dose related fashion, levels of active fragments of caspase 9 as well as PARP-1 in the lung tissue. The activity of above apoptosis-related proteins increased up to over 99% and 152%, respectively in the lung tissues of A/J mice treated with B[a]P and dietary D-glucarate compared to mice treated with B[a]P. At the same time, approximately 47% inhibition of cyclooxygenase-2 (COX-2) was estimated in the epithelial cells lining the bronchioli and bronchus as well as type 2 alveolar cells in the group of mice on the 4% CG diet. The BrdU-labeling indices for the alveolar/bronchiolar hyperplasia and adenoma cells were also determined. Post-initiation dietary CG caused significant and dose related decrease in the number of proliferating pneumocyte type 2 cells (i.e., up to 37%) and macrophages (i.e., up to 44%) compared to those in alveoli of the B[a]P-treated A/J mice. We conclude that post-initiation D-glucarate may inhibit B[a]P-induced carcinogenesis in A/J mice not only by suppressing cell proliferation and inflammation but also by programmed cell death induction.

Keywords: Mouse lung carcinogenesis, calcium glucarate, ß-glucuronidase, proliferation, inflammation, apoptosis.

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia