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Related Concept Videos

Catenins01:23

Catenins

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Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
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Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
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Tension Response at Adherens Junctions01:26

Tension Response at Adherens Junctions

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The adherens junctions that anchor cells together are multi-protein complexes that dynamically adapt to mechanical stimuli such as tensile forces and shear stress. Mechanosensory proteins in these junctions can sense such mechanical stimuli and undergo a shift in their conformation, resulting in an altered function — a process called mechanotransduction.
α-Catenin as a Mechanosensory Protein
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Assembly of Signaling Complexes01:30

Assembly of Signaling Complexes

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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.
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Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
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Nuclear Protein Sorting01:34

Nuclear Protein Sorting

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Nuclear protein sorting is the selective trafficking of histones, polymerases, gene regulatory proteins into the nucleus and exporting RNAs and ribosomes to the cytosol. It is a tightly controlled process that regulates gene expression within a cell.
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SorLA and CLC:CLF-1-dependent Downregulation of CNTFRα as Demonstrated by Western Blotting, Inhibition of Lysosomal Enzymes, and Immunocytochemistry
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SorLA and CLC:CLF-1-dependent Downregulation of CNTFRα as Demonstrated by Western Blotting, Inhibition of Lysosomal Enzymes, and Immunocytochemistry

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The CCN Proteins: An Overview.

Masaharu Takigawa1

  • 1Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School/Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8525, Japan. takigawa@md.okayama-u.ac.jp.

Methods in Molecular Biology (Clifton, N.J.)
|October 14, 2016
PubMed
Summary
This summary is machine-generated.

This overview introduces CCN proteins, also known as "signal conductors," detailing their structures, functions, and molecular mechanisms. It also briefly touches upon their relevance in pathology, offering foundational knowledge for further study.

Keywords:
CCN familyMatricellular proteinSignal conductorSignalingStructure

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Area of Science:

  • Molecular Biology
  • Cell Signaling
  • Biochemistry

Background:

  • CCN proteins represent a novel family of secreted, matricellular signaling regulators.
  • These proteins play diverse roles in cellular processes, including proliferation, migration, and differentiation.
  • Understanding CCN protein function is crucial for deciphering complex biological pathways.

Purpose of the Study:

  • To provide a comprehensive overview of CCN protein structures and functions.
  • To elucidate potential molecular mechanisms underlying their unique biological actions.
  • To introduce the relevance of CCN proteins in the context of pathology.

Main Methods:

  • Literature review and synthesis of existing research on CCN proteins.
  • Analysis of structural and functional data.
  • Conceptual framework development for CCN protein signaling.

Main Results:

  • Detailed description of CCN protein structural domains and their functional implications.
  • Exploration of diverse signaling pathways modulated by CCN proteins.
  • Identification of CCN proteins as key "signal conductors" in cellular communication.

Conclusions:

  • CCN proteins are versatile regulators with significant roles in normal physiology and disease.
  • Further research into CCN protein mechanisms will enhance understanding of cellular signaling.
  • This overview serves as a foundational resource for researchers in the field.