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Papers in Cellular Biology

Cellular Biology papers in Biological Sciences, H

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Papers 1 - 20 of 4,423 in Cellular Biology, H
  1. Among four kinds of protein kinase A (PKA) inhibitors tested, H-89 exhibited a unique action to remarkably enhance adipocyte differentiation of 3T3-L1 cells, whereas the other three PKA inhibitors, PKA inhibitor Fragment 14-22 (PKI), Rp-cAMP, and KT…
  2. Temperature is a primary environmental stress to which micro-organisms must be able to adapt and respond rapidly. Whereas some bacteria are restricted to specific niches and have limited abilities to survive changes in their environment, others,…
  3. Two recent reports have indicated that the H-NS protein in Salmonella enterica serovar Typhimurium has a key role in selectively silencing the transcription of large numbers of horizontally acquired AT-rich genes, including those that make up its…
  4. The recently discovered prokaryotic CRISPR/Cas defence system provides immunity against viral infections and plasmid conjugation. It has been demonstrated that in Escherichia coli transcription of the Cascade genes (casABCDE) and to some extent the…
  5. BACKGROUND: Ras proteins affect both proliferation and expression of collagen-degrading enzymes, two important processes in cancer progression. Normal skin architecture is dependent both on the coordinated proliferation and stratification of…
  6. Ras is an important proto-protein that is regulated primarily by GDP/GTP exchange. Here, we report a novel regulatory mechanism whereby turnover of both endogenous and overexpressed H-Ras protein is controlled by beta-TrCP-mediated ubiquitylation,…
  7. Plasma membrane compartmentalization imposes lateral segregation on membrane proteins that is important for regulating signal transduction. We use computational modeling of immunogold spatial point patterns on intact plasma membrane sheets to test…
  8. Here, we present a series of exclusively heteronuclear multidimensional NMR experiments, based on 13C direct detection, which exploit the 1H polarization as a starting source to increase the signal-to-noise ratio. This contributes to make this…
  9. BACKGROUND AND AIM: Our previous study of Helicobacter pylori-induced apoptosis showed the involvement of Bcl-2 family proteins and cytochrome c release from mitochondria. Here, we examine the release of other factors from mitochondria, such as…
  10. For a couple of decades the chromatin field has endured undeserved neglect. Indeed, what could be so exciting about a monotonous repeating structure whose purpose in life was to package DNA? Chromatin glamour is triumphantly back, due to the…
  11. During meiotic prophase in male mammals, the X and Y chromosomes condense to form a macrochromatin body, termed the sex, or XY, body, within which X- and Y-linked genes are transcriptionally repressed. The molecular basis and biological function of…
  12. The histone H2A variant H2AX is phosphorylated in response to DNA double-strand breaks originating from diverse origins, including dysfunctional telomeres. Here, we show that normal mitotic telomere maintenance does not require H2AX. Moreover, H2AX…
  13. Upon DNA double-strand break (DSB) induction in mammals, the histone H2A variant, H2AX, becomes rapidly phosphorylated at serine 139. This modified form, termed gamma-H2AX, is easily identified with antibodies and serves as a sensitive indicator of…
  14. At close hand to one's genomic material are the histones that make up the nucleosome. Standing guard, one variant stays hidden doubling as one of the core histones. But, thanks to its prime positioning, a variation in the tail of H2AX enables rapid…
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