Related Experiment Video
Updated: Oct 10, 2025

07:38
Intracellular Phosphoflow Cytometry of Acute Myeloid Leukemia Patient-Derived Xenotransplants
Published on: June 6, 2025
327
Focal Point of Fanconi Anemia Signaling
Sudong Zhan1, Jolene Siu2, Zhanwei Wang1
1University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA.
International Journal of Molecular Sciences
|December 10, 2021
Summary
Fanconi Anemia (FA) involves numerous health issues due to its genes
Area of Science:
- Genetics and molecular biology
- Cellular signaling pathways
- Human genetic diseases
Background:
- Fanconi Anemia (FA) is a complex genetic disorder with widespread health impacts across organ systems.
- FA genes play critical roles in maintaining human health and cellular integrity.
- Extensive research has identified a large network of proteins involved in FA signaling.
Purpose of the Study:
- To review and discuss the crucial role of Fanconi Anemia (FA) signaling in cellular stress response.
- To highlight the central function of the FA D2 group protein (FANCD2) and its paralog in FA signaling.
- To provide an updated understanding of how FA signaling mitigates cellular stresses.
Main Methods:
- Literature review of Fanconi Anemia (FA) research.
- Analysis of the FA signaling network, including FA proteins, ATM, ATR, and other interacting proteins.
- Focus on the mechanism of action of FANCD2 and its paralog as the signaling focal point.
Main Results:
- The FA signaling network comprises over 22 FA proteins, alongside ATM, ATR, and numerous non-FA proteins.
- FANCD2 and its paralog act as the central convergence point for FA signaling pathways.
- This signaling network effectively responds to cellular insults and protects against diseases like aging and cancer.
Conclusions:
- FA signaling is essential for managing cellular stress and maintaining genomic stability.
- Understanding the focal role of FANCD2 provides insights into FA pathogenesis and therapeutic strategies.
- The FA pathway is a key defense mechanism against age-related diseases and cancer.
Related Concept Videos
Intracellular Signaling Affects Focal Adhesions
2.9K
Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Some...
2.9K
Interactions Between Signaling Pathways
6.6K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
6.6K
Microtubules in Signaling
1.8K
The primary cilium, made up of microtubules, acts as antennae on the cell surfaces for relaying external stimuli into the cells. These fine hair-like structures are present, generally one per cell. These are non-motile cilia in a 9+0 microtubules arrangement, where the central pair of microtubules are absent. The primary cilia arise from the basal body embedded in the cell membrane. Intraflagellar transport (IFT) carries requisite proteins from the cytoplasm to the cilium because the primary...
1.8K
Amplifying Signals via Enzymatic Cascade
13.3K
When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze...
13.3K
Assembly of Signaling Complexes
6.0K
Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
6.0K
Abnormal Proliferation
4.7K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.7K

