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Information Journal Paper

Title

DELAYED LIVER REGENERATION AFTER PARTIAL HEPATECTOMY IN AGED NOS2 KNOCKOUT MICE

Pages

  218-230

Abstract

 Objective: Patients over 60 years of age have higher mortality and morbidity after major liver resections. Nitric oxide (NO) derived from the catalytic activity of Nos2 plays a beneficial role in LIVER REGENERATION (LR) after partial hepatectomy (PH). In this experiment, we evaluated the effect of Nos2 knockout (KO) on LR in AGED mice after PH.Materials and Methods: In this experimental study, 52 two-year-old Nos2 KO and 46 the same age wild-type (WT) C57BL/6J mice were subjected to 2/3 PH. Liver tissues were collected at 11 time points after PH. Mice survival ratio and liver coefficient (liver-weight/ body-weight) was calculated. Transcript and protein levels were estimated by reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) and Western blot, respectively.Results: The AGED Nos2 KO mice had lower survival ratio (P=0.039) and liver coefficient (P=0.002) at the termination phase. Nos2 transcript level was obviously increased after PH in WT mice and undetected in the Nos2 KO mice. During LR, the expression at the transcript level of Cyclin D1, Cyclin A2 and Cyclin B1 and protein expression level of PROLIFERATION marker Ki67 and PROLIFERATION-associated transcription factors JNK1, NF-kB and STAT3 were decreased or delayed. The expression of pro-apoptotic proteins, CASPASE3, CASPASE9 and BAX, was increased in the Nos2 KO mice.Conclusion: Decreased survival ratio and impaired LR in AGED Nos2 KO mice is probably due to decreased liver cell PROLIFERATION and increased liver cell APOPTOSIS.

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    APA: Copy

    LI, DEMING, LI, JUN, WANG, GAIPING, QIN, YANLI, NIU, ZHIPENG, LI, ZIWEI, & XU, CUNSHUAN. (2017). DELAYED LIVER REGENERATION AFTER PARTIAL HEPATECTOMY IN AGED NOS2 KNOCKOUT MICE. CELL JOURNAL (YAKHTEH), 19(2), 218-230. SID. https://sid.ir/paper/690828/en

    Vancouver: Copy

    LI DEMING, LI JUN, WANG GAIPING, QIN YANLI, NIU ZHIPENG, LI ZIWEI, XU CUNSHUAN. DELAYED LIVER REGENERATION AFTER PARTIAL HEPATECTOMY IN AGED NOS2 KNOCKOUT MICE. CELL JOURNAL (YAKHTEH)[Internet]. 2017;19(2):218-230. Available from: https://sid.ir/paper/690828/en

    IEEE: Copy

    DEMING LI, JUN LI, GAIPING WANG, YANLI QIN, ZHIPENG NIU, ZIWEI LI, and CUNSHUAN XU, “DELAYED LIVER REGENERATION AFTER PARTIAL HEPATECTOMY IN AGED NOS2 KNOCKOUT MICE,” CELL JOURNAL (YAKHTEH), vol. 19, no. 2, pp. 218–230, 2017, [Online]. Available: https://sid.ir/paper/690828/en

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