Abstract:
:The aim of this study was to evaluate the anticancer and antitumor activities of ceramide analog 315 in nude mice. Nude mice (n=10) were injected bilaterally with 5×10 MDA-MB-231 cells on each side. Tumors were allowed to form for 2 weeks. The mice were then divided into two groups (n=5 in each group). The control group mice were injected with 25 μl of dimethyl sulfoxide and the treatment group mice were injected with 10 mg/kg of analog 315 (in dimethyl sulfoxide, 25 μl volume) every day for a period of 3 weeks. Animal weights and tumors were measured every week for 3 weeks. At the end of the experimental period, control animals had retained excess fluid, and showed larger tumor sizes compared with the treated group (2.95 vs. 1.67 g). A 45% reduction in tumor size and 80% decrease in tumor volume were observed in the treatment group. There was a significant increase in the weights of liver (10%) and spleen (19%) between the control and treated animals. Hematoxylin and Eosin staining of MDA-MB-231 tumor sections revealed more acellular necrotic regions in tumors from the treatment groups compared with the ones from the control group. Ki67, a proliferation marker was higher in number in control tumor section (71.8±12.8) compared to the treatment tumor section (37.4±10.4) (P<0.001). Photomicrographs showed metastatic tumor burden in kidney, lungs, and spleen collected from the control group mice bearing MDA-MB-231 tumors. Treatment group mice showed normal microscopic tissue architecture. Overall, our study showed tumor growth inhibition and antimetastatic effects for the novel ceramide analog 315.
journal_name
Anticancer Drugsjournal_title
Anti-cancer drugsauthors
Ponnapakkam T,Saulsberry T,Hill T,Hill-Odom M,Goyal N,Anbalagan M,Liu J,Foroozesh Mdoi
10.1097/CAD.0000000000000675subject
Has Abstractpub_date
2018-10-01 00:00:00pages
898-903issue
9eissn
0959-4973issn
1473-5741journal_volume
29pub_type
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