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Related Concept Videos

Intracellular Signaling Affects Focal Adhesions01:17

Intracellular Signaling Affects Focal Adhesions

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...
Activation of Integrins01:15

Activation of Integrins

Integrins bind ligands and transmit information from outside the cell to inside or vice-versa through an "outside-in signaling" or "inside-out signaling."
In "outside-in signaling," external factors in the extracellular space bind to exposed ligand binding sites on integrins. This causes the inactive protein to undergo a conformational change to become active. Integrins are often clustered on the cell membrane. Repetitive and regularly spaced ligand binding events provide an effective stimulus.
Integrins01:10

Integrins

Animal and protozoan cells do not have cell walls to help maintain shape and provide structural stability. Instead, these eukaryotic cells secrete a sticky mass of carbohydrates and proteins into the spaces between adjacent cells. This network of proteins and molecules is called an extracellular matrix or ECM.
Some ECM proteins assemble into a basement membrane to which the remaining components adhere. Proteoglycans typically form the bulk of the ECM while fibrous proteins, like collagen,...
Selectins01:25

Selectins

Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

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...

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Related Experiment Video

Updated: May 9, 2026

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
10:21

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Published on: February 21, 2018

Linking MLL Leukemia with Integrin Signaling.

Bernd B Zeisig1, Chi Wai Eric So

  • 1Leukaemia and Stem Cell Biology Group, Department of Haematological Medicine, King's College London, London SE5 9NU, UK.

Cancer Cell
|July 13, 2013
PubMed
Summary
This summary is machine-generated.

Researchers identified Integrin Beta 3 as a key driver in mixed lineage leukemia. This molecule, dispensable in normal blood formation, presents a promising therapeutic target for leukemia treatment.

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Static Adhesion Assay for the Study of Integrin Activation in T Lymphocytes
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Last Updated: May 9, 2026

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Static Adhesion Assay for the Study of Integrin Activation in T Lymphocytes
09:14

Static Adhesion Assay for the Study of Integrin Activation in T Lymphocytes

Published on: June 13, 2014

Area of Science:

  • Oncology
  • Hematology
  • Molecular Biology

Background:

  • Leukemogenesis relies on specific signaling pathways.
  • Targeted therapies require identification of crucial molecular drivers.
  • Understanding leukemia's molecular basis is key for effective treatment.

Purpose of the Study:

  • To identify novel signaling molecules involved in mixed lineage leukemia.
  • To evaluate the therapeutic potential of identified molecules.

Main Methods:

  • Analysis of signaling pathways in mixed lineage leukemia models.
  • Assessment of Integrin Beta 3's role in hematopoiesis and leukemogenesis.

Main Results:

  • Integrin Beta 3 is largely dispensable for normal hematopoiesis.
  • Integrin Beta 3 plays a significant role in mixed lineage leukemia development.
  • Integrin Beta 3 is identified as a potential therapeutic target.

Conclusions:

  • Integrin Beta 3 is a critical factor in mixed lineage leukemia.
  • Targeting Integrin Beta 3 may offer a novel therapeutic strategy for leukemia.