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  • 1
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    Metabolite profiling identifies a key role for glycine in rapid cancer cell proliferation (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-05-26
    Description: Metabolic reprogramming has been proposed to be a hallmark of cancer, yet a systematic characterization of the metabolic pathways active in transformed cells is currently lacking. Using mass spectrometry, we measured the consumption and release (CORE) profiles of 219 metabolites from media across the NCI-60 cancer cell lines, and integrated these data with a preexisting atlas of gene expression. This analysis identified glycine consumption and expression of the mitochondrial glycine biosynthetic pathway as strongly correlated with rates of proliferation across cancer cells. Antagonizing glycine uptake and its mitochondrial biosynthesis preferentially impaired rapidly proliferating cells. Moreover, higher expression of this pathway was associated with greater mortality in breast cancer patients. Increased reliance on glycine may represent a metabolic vulnerability for selectively targeting rapid cancer cell proliferation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3526189/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3526189/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jain, Mohit -- Nilsson, Roland -- Sharma, Sonia -- Madhusudhan, Nikhil -- Kitami, Toshimori -- Souza, Amanda L -- Kafri, Ran -- Kirschner, Marc W -- Clish, Clary B -- Mootha, Vamsi K -- K08 HL107451/HL/NHLBI NIH HHS/ -- K08HL107451/HL/NHLBI NIH HHS/ -- R01 DK081457/DK/NIDDK NIH HHS/ -- R01 GM026875/GM/NIGMS NIH HHS/ -- R01DK081457/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2012 May 25;336(6084):1040-4. doi: 10.1126/science.1218595.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Broad Institute, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22628656" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/genetics/metabolism/pathology ; Cell Cycle ; Cell Line ; Cell Line, Tumor ; *Cell Proliferation ; Cell Transformation, Neoplastic ; Chromatography, Liquid ; Culture Media ; Gene Expression ; Gene Expression Profiling ; Glycine/biosynthesis/*metabolism ; Humans ; Metabolic Networks and Pathways/genetics ; Metabolome ; Mitochondria/enzymology/metabolism ; Neoplasms/genetics/*metabolism/*pathology ; Purines/biosynthesis ; Tandem Mass Spectrometry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Dynamics extracted from fixed cells reveal feedback linking cell growth to cell cycle (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-03-01
    Description: Biologists have long been concerned about what constrains variation in cell size, but progress in this field has been slow and stymied by experimental limitations. Here we describe a new method, ergodic rate analysis (ERA), that uses single-cell measurements of fixed steady-state populations to accurately infer the rates of molecular events, including rates of cell growth. ERA exploits the fact that the number of cells in a particular state is related to the average transit time through that state. With this method, it is possible to calculate full time trajectories of any feature that can be labelled in fixed cells, for example levels of phosphoproteins or total cellular mass. Using ERA we find evidence for a size-discriminatory process at the G1/S transition that acts to decrease cell-to-cell size variation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3730528/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3730528/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kafri, Ran -- Levy, Jason -- Ginzberg, Miriam B -- Oh, Seungeun -- Lahav, Galit -- Kirschner, Marc W -- GM26875/GM/NIGMS NIH HHS/ -- R01 GM026875/GM/NIGMS NIH HHS/ -- R01 GM083303/GM/NIGMS NIH HHS/ -- England -- Nature. 2013 Feb 28;494(7438):480-3. doi: 10.1038/nature11897.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23446419" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Count ; Cell Cycle/drug effects/*physiology ; Cell Line ; Cell Proliferation ; *Cell Size/drug effects ; Cycloheximide ; Dimethyl Sulfoxide ; *Feedback, Physiological ; G1 Phase/drug effects/physiology ; HeLa Cells ; Humans ; Leupeptins ; Phosphoproteins ; S Phase/physiology ; Single-Cell Analysis/*methods ; Sirolimus
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    Cell growth and size homeostasis in proliferating animal cells (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-11
    Description: A long-standing question in biology is whether there is an intrinsic mechanism for coordinating growth and the cell cycle in metazoan cells. We examined cell size distributions in populations of lymphoblasts and applied a mathematical analysis to calculate how growth rates vary with both cell size and the cell cycle. Our results show that growth rate is size-dependent throughout the cell cycle. After initial growth suppression, there is a rapid increase in growth rate during the G1 phase, followed by a period of constant exponential growth. The probability of cell division varies independently with cell size and cell age. We conclude that proliferating mammalian cells have an intrinsic mechanism that maintains cell size.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905160/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905160/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tzur, Amit -- Kafri, Ran -- LeBleu, Valerie S -- Lahav, Galit -- Kirschner, Marc W -- GM026875/GM/NIGMS NIH HHS/ -- GM083303/GM/NIGMS NIH HHS/ -- R01 GM026875/GM/NIGMS NIH HHS/ -- R01 GM026875-34/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):167-71. doi: 10.1126/science.1174294.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19589995" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Cycle ; Cell Division ; *Cell Enlargement ; *Cell Proliferation ; *Cell Size ; G1 Phase ; Homeostasis ; Lymphocytes/*cytology ; Mathematical Concepts ; Mice ; Mitosis ; Probability ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Cell biology. On being the right (cell) size (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-05-16
    Description: Different animal cell types have distinctive and characteristic sizes. How a particular cell size is specified by differentiation programs and physiology remains one of the fundamental unknowns in cell biology. In this Review, we explore the evidence that individual cells autonomously sense and specify their own size. We discuss possible mechanisms by which size-sensing and size-specification may take place. Last, we explore the physiological implications of size control: Why is it important that particular cell types maintain a particular size? We develop these questions through examination of the current literature and pose the questions that we anticipate will guide this field in the upcoming years.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533982/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533982/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ginzberg, Miriam B -- Kafri, Ran -- Kirschner, Marc -- R01 GM026875/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 May 15;348(6236):1245075. doi: 10.1126/science.1245075.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, MA, USA. ; The Hospital for Sick Children, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25977557" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/pathology ; *Cell Size ; Epithelial Cells/cytology ; Female ; G1 Phase ; Humans ; Mammary Glands, Human/cytology ; Mice
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    The regulatory utilization of genetic redundancy through responsive backup circuits (2006)
    National Academy of Sciences
    Details
    Publication Date: 2006-07-21
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 6
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    On being the right (cell) size (2015)
    American Association for the Advancement of Science
    Details
    Publication Date: 2015-05-14
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science
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  • 7
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    Preferential protection of protein interaction network hubs in yeast: Evolved functionality of genetic redundancy (2008)
    National Academy of Sciences
    Details
    Publication Date: 2008-01-23
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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