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Chapter 34

Cell Proliferation

Qu’est-ce que le cycle cellulaire ?
Qu’est-ce que le cycle cellulaire ?
The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two ...
Interphase
Interphase
The cell cycle occurs over approximately 24 hours (in a typical human cell) and in two distinct stages: interphase, which includes three phases of the ...
Le système de contrôle du cycle cellulaire
Le système de contrôle du cycle cellulaire
The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent ...
Molécules régulatrices positives
Molécules régulatrices positives
Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic ...
Inhibition de l’activité CDK
Inhibition de l’activité CDK
The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be ...
Le S-CDK initie la réplication de l’ADN
Le S-CDK initie la réplication de l’ADN
The cell cycle is a series of events leading to DNA duplication followed by the division of cell content to form two daughter cells. The cell cycle ...
M-CDK favorise la transition vers la mitose
M-CDK favorise la transition vers la mitose
Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it ...
Les mitogènes et le cycle cellulaire
Les mitogènes et le cycle cellulaire
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell ...
Sénescence cellulaire réplicative
Sénescence cellulaire réplicative
Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while ...
Prolifération anormale
Prolifération anormale
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. ...
Les cellules coordonnent la croissance et la prolifération
Les cellules coordonnent la croissance et la prolifération
Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their ...
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