Antitumor activity of RT2 peptide derived from crocodile leukocyte peptide on human colon cancer xenografts in nude mice

2018 ◽  
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Sakda Daduang ◽  
...  
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Robert Domitrović

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Yoshifumi Kawamura ◽  
...  

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Min Ai Lee ◽  
Hyen Joo Park ◽  
Hwa-Jin Chung ◽  
Won Kyung Kim ◽  
Sang Kook Lee

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Tetsuro Kubota ◽  
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Tsong-Hong Kuo ◽  
Hideki Nishibori ◽  
...  

1990 ◽  
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Bert Schutte ◽  
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Molecules ◽  
2019 ◽  
Vol 24 (14) ◽  
pp. 2522 ◽  
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Zahurin Mohamed ◽  
Ajantha Sinniah ◽  
Mohammed A. Alshawsh

Colon cancer is the third most common type of cancer in the world. Diosmetin (Dis), a natural O-methylated flavone, has been reported to have anti-cancer effects against different types of cancer. Although the mechanisms of action of Dis against several cancer cell lines are well reported, in vivo anti-tumorigenesis properties of this compound are still obscure. Therefore, this study aimed to investigate the anti-tumorigenesis properties of Dis against HCT-116 colon cancer xenografts in nude mice. HCT-116 colon cancer cells were injected in NCr nu/nu nude mice and treatment with Dis was initiated after the tumor volumes reached 100 mm3 and continued for four weeks. On the sacrificing date nude mice treated with 100 mg/kg of Dis showed significant lower tumor volume (264 ± 238.3 mm3) as compared to the untreated group (1428.8 ± 459.6 mm3). Anti-apoptotic Bcl-2 protein was significantly downregulated, while apoptotic protein (Bax) was significantly overexpressed in nude mice treated with 100 mg/kg Dis as compared to untreated mice. In conclusion, our in vivo results indicate that Dis significantly reduces tumor growth rate of HCT-116 colon cancer cells in nude mice at a dose of 100 mg/kg, and has no toxic effects in ICR mice up to 2000 mg/kg.


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