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CHEN, Si-Zeng; ZHANG, Yong-Lian
Oncology Reports, 02/2012, Letnik: 27, Številka: 2Journal Article
Inhibitor of dsRNA-dependent protein kinase (PKRI) and medroxyprogesterone acetate (MPA) improve cancer cachexia via different mechanisms. We aimed to compare these two drugs, alone or in combination, in cancer cachexia in mice. Forty male BABL/c mice aged 6-8 weeks were randomly divided into PKRI, MPA, PKRI+MPA, placebo, and healthy control groups. The first 4 groups were injected with colon-26 adenocarcinoma and fed for 12 days and then treated with PKRI and MPA alone or in combination for 7 days. Body weight, tumor volume, wet weight of gastrocnemius muscle, serum levels of nutritional markers and cytokines were measured. The tumor growth (volume and weight) of mice treated with PKRI, MPA alone or PKRI+MPA was slower than that of placebo group. Wet weight of gastrocnemius muscle was significantly higher in PKRI and PKRI+MPA-treated than in placebo animals (P<0.01). All tumor-bearing mice had a significantly lower level of blood glucose, higher level of serum triglyceride and lower level of serum albumin compared with healthy control (P<0.001). However, PKRI, MPA and PKRI+MPA groups had a significant higher level of blood glucose and lower level of serum triglyceride compared with placebo group (P<0.001). All tumor bearing mice had a significant higher level of serum TNF-α, IL-1 and IL-6 compared with healthy control (P<0.001). Serum level of TNF-α and IL-6 was significantly lower in PKRI and PKRI+MPA-treated than in placebo animals (P<0.01). PKRI alone and combination therapy with PKRI and MPA reduce tumor growth and may alleviate cachexia.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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