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Georgios Giamas Yik L. Man Heidrun Hirner Joachim Bischof Klaus Kramer Kalimullah Khan Sharmeen S. Lavina Ahmed Justin Stebbing Uwe Knippschild 《Cellular signalling》2010,22(7):984-1002
The protein kinase family, one of the largest gene families in eukaryotes, plays an important role in regulating various cellular processes such as cell proliferation, cell death, cell cycle progression, differentiation and cell survival. Therefore, it is not surprising that the deregulation of many kinases is usually directly linked to cancer development. In all solid tumors, changes in protein kinase expression levels and activities, as well as alterations in the degree of posttranslational modifications can contribute to cancer development. Consequently, the identification of molecular targets and signaling pathways specific to cancer cells is becoming more and more important for cancer drug development and cancer therapies. Inhibition of various protein kinases has already been investigated in many pre-clinical and clinical trials targeting all stages of signal transduction, demonstrating promising results in cancer therapy. Conventional chemotherapeutics are often ineffective as well as harmful; hence a combination of both chemotherapeutics and protein kinase inhibitors may result in new and more successful therapeutic approaches. In this review we focus on protein kinases involved in different signaling pathways and their alterations in solid tumors. 相似文献
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Kalimullah Saighani Daiki Kondo Naoto Sano Kazumasa Murata Tetsuya Yamada Motoki Kanekatsu 《Plant Biotechnology》2021,38(2):277
The mature embryos of rice seeds contain translatable mRNAs required for the initial phase of germination. To clarify the relationship between seed longevity and RNA integrity in embryos, germinability and stability of embryonic RNAs were analyzed using the seeds of japonica rice cultivars subjected to controlled deterioration treatment (CDT) or long periods of storage. Degradation of RNA from embryos of a japonica rice cultivar “Nipponbare” was induced by CDT before the decline of the germination rate and we observed a positive relationship between seed germinability and integrity of embryonic RNAs. Moreover, this relationship was confirmed in the experiments using aged seeds from the “Nipponbare”, “Sasanishiki” and “Koshihikari” rice cultivars. In addition, the RNA integrity number (RIN) values, calculated using electrophoresis data and Agilent Bioanalyzer software, had a positive correlation with germinability (R2=0.75). Therefore, the stability of embryonic RNAs required for germination is involved in maintaining seed longevity over time and RIN values can serve as a quantitative indicator to evaluate germinability in rice. 相似文献
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