Results 1 to 10 of about 345,409 (245)
It is 25 years since Tim Hunt discovered cyclin, the oscillating protein that drives activation of cyclin-dependent kinases and entry into mitosis (Evans et al., 1983).
Peter K. Jackson, Peter K. Jackson
openaire +4 more sources
Cyclin F regulates the nuclear localization of cyclin B1 through a cyclin-cyclin interaction [PDF]
The key regulator of G(2)-M transition of the cell cycle is M-phase promoting factor (MPF), a complex composed of cdc2 and a B-type cyclin. Cyclin B1 nuclear localization involves phosphorylation within a region called the cytoplasmic retention signal, which also contains a nuclear export signal.
Kong, Monica+3 more
openaire +6 more sources
Overexpression of Cyclin A and Cyclin B1Proteins in Astrocytomas [PDF]
AbstractBackground.—Cyclins are proteins that are expressed during the progression of a normal cell through the cell cycle. In a number of cancers, overexpression of cyclin A and cyclin B1 proteins has been reported, and in some instances the levels of expression correlated well with the grades of malignancy.
Lee-Cyn Ang+4 more
openaire +2 more sources
Cyclin C: The Story of a Non-Cycling Cyclin [PDF]
The class I cyclin family is a well-studied group of structurally conserved proteins that interact with their associated cyclin-dependent kinases (Cdks) to regulate different stages of cell cycle progression depending on their oscillating expression levels.
Jan Ježek+8 more
openaire +5 more sources
Cyclin B1/Cdk1 phosphorylation of mitochondrial p53 induces anti-apoptotic response. [PDF]
The pro-apoptotic function of p53 has been well defined in preventing genomic instability and cell transformation. However, the intriguing fact that p53 contributes to a pro-survival advantage of tumor cells under DNA damage conditions raises a critical ...
Duru, Nadire+5 more
core +9 more sources
Cyclin K and cyclin D1b are oncogenic in myeloma cells [PDF]
AbstractBackgroundAberrant expression of cyclin D1 is a common feature in multiple myeloma (MM) and always associated with mantle cell lymphoma (MCL).CCND1gene is alternatively spliced to produce two cyclin D1 mRNA isoforms which are translated in two proteins: cyclin D1a and cyclin D1b.
Marsaud, Véronique+8 more
openaire +5 more sources
How the Cyclin Became a Cyclin [PDF]
As is readily apparent, proteolysis plays a tremendously important and varied role in cell cycle regulation. While the SCF and APC are key regulators, other proteolytic systems may also contribute to cell cycle control. A well-documented case is the stabilization of p53 in response to DNA damage.
J. Wade Harper+4 more
openaire +3 more sources
Cyclin F Is Degraded during G2-M by Mechanisms Fundamentally Different from Other Cyclins [PDF]
Cyclin F, a cyclin that can form SCF complexes and bind to cyclin B, oscillates in the cell cycle with a pattern similar to cyclin A and cyclin B. Ectopic expression of cyclin F arrests the cell cycle in G2/M.
Fung, Tsz Kan+4 more
core +1 more source
Ciz1 cooperates with cyclin-A-CDK2 to activate mammalian DNA replication in vitro [PDF]
Initiation of mammalian DNA replication can be reconstituted from isolated G1-phase nuclei and cell extracts, supplemented with cyclin-dependent protein kinases (CDKs).
Ainscough+30 more
core +3 more sources
Living with or without cyclins and cyclin-dependent kinases [PDF]
Entry into, progression through, and exit from the G1 phase of the mammalian cell cycle in response to extracellular mitogenic cues are presumed to be governed by cyclin-dependent kinases (Cdks) regulated by the D-type and E-type cyclins. Studies performed over more than a decade have supported the view that these holoenzymes are important, if not ...
James M. Roberts, Charles J. Sherr
openaire +2 more sources