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https://www.selleckchem.com/products/gsk8612.html Moreover, caloric restriction may reduce the carcinogenic and metastatic potential of cancer stem cells, which are generally considered responsible of tumor formation and relapse. Here, we reviewed in vitro and in vivo studies describing the effects of fasting, caloric restriction and some caloric restriction mimetics on immunosurveillance, gut microbiota, metabolism, and cancer stem cell growth, highlighting the molecular and cellular mechanisms underlying these effects. Additionally, studies on caloric restriction interventions in cancer patients or cancer risk subjects are discussed. Considering the promising effects associated with caloric restriction and caloric restriction mimetics, we think that controlled-randomized large clinical trials are warranted to evaluate the inclusion of these non-pharmacological approaches in clinical practice.Polyploid somatic cells have 'programmed' roles in normal development and stress responses. Transient polyploidy states have been observed in several tumor types at early stages of tumorigenesis. They can give rise to the aneuploidy state which is a common feature of human cancer cells. Similarly, to cancer development, cancer treatment can lead to transient polyploidy. Polyploid giant cells (PGCCs) in cancer are often associated with poor prognosis and disease relapse. Cancer cell senescence- a proliferation arrest accompanied by a set of characteristic markers- induced by therapy is also associated with transient polyploidy formation and cancer relapse. The question is whether therapy-induced senescence (TIS) and therapy induced polyploidy (TIP) are mechanistically or coincidentally connected. This problem needs to be solved rather urgently, because TIS appears to be more common phenomena than originally believed. Another arising question concerns reversibility of cancer cell senescence as a consequence of atypical divisions of polyploid cells. In our review we will try to a

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