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There's a Time and a Place for MYCN

Cancer Cell - Fri, 2012-05-25 02:00
Timothy N. Phoenix, Richard J. Gilbertson. Brain tumors display extensive diversity. In this issue of Cancer Cell, Swartling et al. provide evidence that the temporal and spatial transcriptional programs in neural stem cells underli....
Categories: Biology, Cancer, Journals

What a Difference a Phosphate Makes: Life or Death Decided by a Single Amino Acid in MDM2

Cancer Cell - Fri, 2012-05-25 02:00
Yao-Cheng Li, Geoffrey M. Wahl. In this issue of Cancer Cell, Gannon and colleagues create genetically engineered mice to test the role phosphorylation plays in the modification of one serine long thought to play a critic....
Categories: Biology, Cancer, Journals

SMIP-016 in Action: CD37 as a Death Receptor

Cancer Cell - Fri, 2012-05-25 02:00
Lei Jin, John C. Cambier. CD37 is a tetraspannin that triggers cell death and is a potential therapeutic target in cancers. In this issue of Cancer Cell, Lapalombella et al. show that CD37 is tyrosine phosphorylated....
Categories: Biology, Cancer, Journals

Opening a New GATAway for Treating KRAS-Driven Lung Tumors

Cancer Cell - Fri, 2012-05-25 02:00
Mariano Barbacid. In a recent issue of Cell, Kumar and colleagues uncovered a synthetic lethal interaction between oncogenic KRAS and the transcription factor GATA2 in non-small cell lung carcinoma. Pharmaco....
Categories: Biology, Cancer, Journals

Distinct Neural Stem Cell Populations Give Rise to Disparate Brain Tumors in Response to N-MYC

Cancer Cell - Fri, 2012-05-25 02:00
Fredrik J. Swartling, Vasil Savov, Anders I. Persson, Justin Chen, Christopher S. Hackett, Paul A. Northcott, Matthew R. Grimmer, Jasmine Lau, Louis Chesler, Arie Perry, Joanna J. Phillips, Michael D. Taylor, William A. Weiss. The proto-oncogene MYCN is mis-expressed in various types of human brain tumors. To clarify how developmental and regional differences influence transformation, we transduced wild-type or m....
Categories: Biology, Cancer, Journals

Allele-Specific p53 Mutant Reactivation

Cancer Cell - Fri, 2012-05-25 02:00
Xin Yu, Alexei Vazquez, Arnold J. Levine, Darren R. Carpizo. Rescuing the function of mutant p53 protein is an attractive cancer therapeutic strategy. Using the National Cancer Institute's anticancer drug screen data, we identified two compounds from the th....
Categories: Biology, Cancer, Journals

Lunatic Fringe Deficiency Cooperates with the Met/Caveolin Gene Amplicon to Induce Basal-like Breast Cancer

Cancer Cell - Fri, 2012-05-25 02:00
Keli Xu, Jerry Usary, Philaretos C. Kousis, Aleix Prat, Dong-Yu Wang, Jessica R. Adams, Wei Wang, Amanda J. Loch, Tao Deng, Wei Zhao, Robert Darrell Cardiff, Keejung Yoon, Nicholas Gaiano, Vicki Ling, Joseph Beyene, Eldad Zacksenhaus, Tom Gridley, Wey L. Leong, Cynthia J. Guidos, Charles M. Perou, Sean E. Egan. Basal-like breast cancers (BLBC) express a luminal progenitor gene signature. Notch receptor signaling promotes luminal cell fate specification in the mammary gland, while suppressing stem cell se....
Categories: Biology, Cancer, Journals

S1PR1-STAT3 Signaling Is Crucial for Myeloid Cell Colonization at Future Metastatic Sites

Cancer Cell - Fri, 2012-05-25 02:00
Jiehui Deng, Yong Liu, Heehyoung Lee, Andreas Herrmann, Wang Zhang, Chunyan Zhang, Shudan Shen, Saul J. Priceman, Maciej Kujawski, Sumanta K. Pal, Andrew Raubitschek, Dave S.B. Hoon, Stephen Forman, Robert A. Figlin, Jie Liu, Richard Jove, Hua Yu. Recent studies underscore the importance of myeloid cells in rendering distant organs hospitable for disseminating tumor cells to colonize. However, what enables myeloid cells to have an apparentl....
Categories: Biology, Cancer, Journals

DNA Methylation Screening Identifies Driver Epigenetic Events of Cancer Cell Survival

Cancer Cell - Fri, 2012-05-25 02:00
Daniel D. De Carvalho, Shikhar Sharma, Jueng Soo You, Sheng-Fang Su, Phillippa C. Taberlay, Theresa K. Kelly, Xiaojing Yang, Gangning Liang, Peter A. Jones. Cancer cells typically exhibit aberrant DNA methylation patterns that can drive malignant transformation. Whether cancer cells are dependent on these abnormal epigenetic modifications remains elus....
Categories: Biology, Cancer, Journals

ATM Phosphorylation of Mdm2 Ser394 Regulates the Amplitude and Duration of the DNA Damage Response in Mice

Cancer Cell - Fri, 2012-05-25 02:00
Hugh S. Gannon, Bruce A. Woda, Stephen N. Jones. DNA damage induced by ionizing radiation activates the ATM kinase, which subsequently stabilizes and activates the p53 tumor suppressor protein. Although phosphorylation of p53 by ATM was found pr....
Categories: Biology, Cancer, Journals

In Vivo Imaging of Tumor-Propagating Cells, Regional Tumor Heterogeneity, and Dynamic Cell Movements in Embryonal Rhabdomyosarcoma

Cancer Cell - Fri, 2012-05-25 02:00
Myron S. Ignatius, Eleanor Chen, Natalie M. Elpek, Adam Z. Fuller, Inês M. Tenente, Ryan Clagg, Sali Liu, Jessica S. Blackburn, Corinne M. Linardic, Andrew E. Rosenberg, Petur G. Nielsen, Thorsten R. Mempel, David M. Langenau. Embryonal rhabdomyosarcoma (ERMS) is an aggressive pediatric sarcoma of muscle. Here, we show that ERMS-propagating potential is confined to myf5+ cells and can be visualized in live, fluor....
Categories: Biology, Cancer, Journals

Tetraspanin CD37 Directly Mediates Transduction of Survival and Apoptotic Signals

Cancer Cell - Fri, 2012-05-25 02:00
Rosa Lapalombella, Yuh-Ying Yeh, Liwen Wang, Asha Ramanunni, Sarwish Rafiq, Shruti Jha, Justin Staubli, David M. Lucas, Rajeswaran Mani, Sarah E.M. Herman, Amy J. Johnson, Arletta Lozanski, Leslie Andritsos, Jeffrey Jones, Joseph M. Flynn, Brian Lannutti, Peter Thompson, Paul Algate, Scott Stromatt, David Jarjoura, Xiaokui Mo, Dasheng Wang, Ching-Shih Chen, Gerard Lozanski, Nyla A. Heerema, Susheela Tridandapani, Michael A. Freitas, Natarajan Muthusamy, John C. Byrd. Tetraspanins are commonly believed to act only as “molecular facilitators,” with no direct role in signal transduction. We herein demonstrate that upon ligation, CD37, a tetraspanin molecule expre....
Categories: Biology, Cancer, Journals

SnapShot: Glioblastoma Multiforme

Cancer Cell - Fri, 2012-05-25 02:00
Svetlana Kotliarova, Howard A. Fine.
Categories: Biology, Cancer, Journals

Launch scrub hits first commercial ISS mission

HIV and AIDS - Sat, 2012-05-19 11:43
SpaceX misses its 1-second-long launch window - but there will be another opportunity to launch the rocket on Tuesday


Sumatran orang-utans delay puberty to build up strength

HIV and AIDS - Sat, 2012-05-19 11:00
Young male orang-utans can put off sexual maturity for up to 10 years, building up their strength until they're ready to challenge dominant males


Zuckerberg patents aim to simplify Facebook messages

HIV and AIDS - Fri, 2012-05-18 22:06
Patents are technology's first draft - and they don't stop coming even when Facebook's initial public offering is hogging the headlines


Lots of nail biting on the eve of a historic launch

HIV and AIDS - Fri, 2012-05-18 21:55
The SpaceX Dragon capsule is prepared for a mission to the International Space Station, and officials are managing expectations


Today on New Scientist: 18 May 2012

HIV and AIDS - Fri, 2012-05-18 19:00
All today's stories on newscientist.com, including: GPS loss kicked off fatal drone crash and monitoring tides could predict major quakes


International Space Station enters 2001's star gate

HIV and AIDS - Fri, 2012-05-18 18:14
An orbiting astronaut has used an amateur astronomer's trick to create an image worthy of the trippier sequences of 2001: A space odyssey


RNA breakthrough transforms idea of gene control

Genetics - Fri, 2012-05-18 18:00
Never-before-seen changes to the genetic code give new insight into how the environment can affect our genes


Categories: Biology