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'''KIF3C''' is a [[protein]] that in humans is encoded by the ''KIF3C'' [[gene]]. It is a member of the [[kinesin]] superfamily of [[motor proteins]], which are known for their ability to move along [[microtubule]]s in cells, playing critical roles in [[cell division]], [[intracellular transport]], and [[cell motility]]. KIF3C, specifically, is part of the kinesin-2 subfamily, which is involved in the anterograde transport of [[membrane organelles]] and [[protein complexes]] along microtubules towards the plus end, typically towards the periphery of the cell.

== Function ==
KIF3C, in conjunction with its partner proteins KIF3A and KIF3B, forms a heterotrimeric kinesin motor that is essential for the transport of [[cilia]] and [[flagella]] components, [[vesicles]], and other cargoes. This motor complex is crucial for the proper functioning of primary cilia, which are sensory organelles involved in signal transduction pathways, including those of the [[Hedgehog signaling pathway]], which is important for developmental processes. Disruption in the function of KIF3C and the kinesin-2 motor can lead to defects in cilia formation and function, potentially resulting in a variety of [[ciliopathies]], diseases associated with defective cilia.

== Gene and Expression ==
The ''KIF3C'' gene is located on [[chromosome]] 2 in humans. It is expressed in a wide range of tissues, with higher expression levels observed in specific areas such as the [[brain]] and [[testis]], indicating its importance in the function of these organs. The regulation of ''KIF3C'' expression, as well as the post-translational modifications of the KIF3C protein, are areas of ongoing research, with implications for understanding its role in both normal cellular functions and diseases.

== Clinical Significance ==
Alterations in the expression or function of KIF3C have been implicated in various human diseases. Given its role in cilia function, mutations or dysregulation of ''KIF3C'' can contribute to the development of ciliopathies, which are a group of disorders that include [[Joubert syndrome]], [[Bardet-Biedl syndrome]], and others. Furthermore, the involvement of KIF3C in intracellular transport processes makes it a protein of interest in the study of [[neurodegenerative diseases]], such as [[Alzheimer's disease]], where transport along microtubules is disrupted.

== Research Directions ==
Research on KIF3C continues to explore its precise mechanisms of action, its interaction with other proteins and cargoes, and its regulation. Understanding the molecular details of KIF3C's function will not only shed light on the basic biology of cellular transport but also potentially identify new therapeutic targets for diseases associated with cilia dysfunction and other conditions linked to intracellular transport abnormalities.

[[Category:Proteins]]
[[Category:Genes on human chromosome 2]]
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KIF3C - Revision history

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