The biology of cancer: metabolic reprogramming fuels cell growth and proliferation
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Cites background from "The biology of cancer: metabolic re..."
...Glycolytic fueling has been shown to be associated with activated oncogenes (e.g., RAS, MYC) and mutant tumor suppressors (e.g., TP53) (DeBerardinis et al., 2008; Jones and Thompson, 2009), whose alterations in tumor cells have been selected primarily for their benefits in conferring the hallmark capabilities of cell proliferation, avoidance of cytostatic controls, and attenuation of apoptosis....
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...Most notable is a DNAdamage sensor that functions via the TP53 tumor suppressor (Junttila and Evan, 2009); TP53 induces apoptosis by upregulating expression of the Noxa and Puma BH3-only proteins, doing so in response to substantial levels of DNA breaks and other chromosomal abnormalities....
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...Similarly, TP53 null mice develop normally, show largely proper cell and tissue homeostasis, and again develop abnormalities later in life, in the form of leukemias and sarcomas (Ghebranious and Donehower, 1998)....
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...…can be further accentuated under the hypoxic conditions that operate within many tumors: the hypoxia response system acts pleiotropically to upregulate glucose transporters and multiple enzymes of the glycolytic pathway (Semenza, 2010a; Jones and Thompson, 2009; DeBerardinis et al., 2008)....
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...Alternatively, in the face of alarm signals indicating overwhelming or irreparable damage to such cellular subsystems, TP53 can trigger apoptosis....
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Cites background from "The biology of cancer: metabolic re..."
...Cell 137, May 1, 2009 ©2009 Elsevier Inc. 423 work with p53 to produce a specific cellular response (Figure 5)....
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...418 Cell 137, May 1, 2009 ©2009 Elsevier Inc....
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...414 Cell 137, May 1, 2009 ©2009 Elsevier Inc. PUMA null mice showed that the induction of PUMA by p53 is necessary for the apoptotic response to p53 activation in many tissues (Yu and Zhang, 2003)....
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...Similarly, the ability of p53 to impede glycolysis can help control oncogenic transformation, but the consequent promotion of alternative metabolic pathways (such as the pentose phosphate pathway) might also drive the anabolism necessary for tumor cell growth (DeBerardinis et al., 2008)....
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...Cell 137, May 1, 2009 ©2009 Elsevier Inc. 417 mutant p53 proteins (Morselli et al., 2008), although whether this activity helps malignant progression is not yet known....
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2,712 citations
Cites methods from "The biology of cancer: metabolic re..."
...In this scenario, the increased glucose consumption is used as a carbon 108 source for anabolic processes needed to support cell proliferation [17, 26-32]....
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2,251 citations
References
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"The biology of cancer: metabolic re..." refers background in this paper
...In mammalian cells, this response is coordinated by the hypoxia-inducible factor 1 (HIF-1) transcription factor complex (Gordan and Simon, 2007; Semenza, 2003)....
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"The biology of cancer: metabolic re..." refers background in this paper
...HIF-1 induces expression of pyruvate dehydrogenase kinase 1 (PDK1), which phosphorylates and inhibits the PDH complex (Kim et al., 2006; Papandreou et al., 2006)....
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