Related Experiment Video
Updated: Jan 18, 2026

Mitigation of Blood Borne Cell Attachment to Metal Implants through CD47-Derived Peptide Immobilization
Published on: December 3, 2020
CD47/SIRPα pathways: Functional diversity and molecular mechanisms.
Nitin Bhardwaj1, Harish Chandra2, Ashutosh Singh3
1Department of Zoology and Environmental Sciences, Gurukula Kangri (Deemed to be University), Haridwar 249404, India. nitindna2001@gmail.com.
CD47, a cell surface protein, regulates cell functions and interactions. Targeting the CD47/SIRPα pathway offers promising cancer therapies by modulating immune responses against tumors.
Area of Science:
- Cellular Biology
- Immunology
- Oncology
Background:
- Cellular communication is vital for homeostasis, mediated by cell surface receptors.
- Integrins are transmembrane receptors crucial for cell adhesion and signaling.
- CD47 (cell surface protein) regulates integrin function and interacts with SIRPα.
Purpose of the Study:
- To review the multifunctional roles of CD47.
- To elucidate the molecular mechanisms of CD47/SIRPα interactions.
- To discuss therapeutic strategies targeting CD47/SIRPα in cancer.
Main Methods:
- Literature review of studies on CD47 and SIRPα.
- Analysis of CD47's role in cell adhesion, signaling, and immune evasion.
- Examination of clinical trial data for anti-CD47 therapies.
Main Results:
- CD47 interacts with SIRPα, influencing adhesion, apoptosis, phagocytosis, proliferation, and metabolism.
- Increased CD47 expression in tumor cells helps them evade immune surveillance.
- Anti-CD47 antibodies demonstrate therapeutic potential in hematologic and solid tumors.
Conclusions:
- CD47 plays diverse roles in cellular functions and cancer progression.
- The CD47/SIRPα axis is a critical target for cancer immunotherapy.
- Targeting CD47 presents a promising strategy for treating various malignancies.
More Related Videos
Related Concept Videos
Interactions Between Signaling Pathways
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...
Diversity in Cell Signaling Responses
Graded and Abrupt Responses
Some signaling systems generate...
Diversity of Antigen Receptors
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Assembly of Signaling Complexes
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
The JAK-STAT Signaling Pathway
siRNA - Small Interfering RNAs
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...

