Related Experiment Video
Updated: Apr 16, 2026

05:46
Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
Published on: April 9, 2014
18.6K
Integrase interactor 1 in health and disease
1Translational Health Science and Technology Institute, Plot No. 496, Phase-III, Udyog Vihar, Gurgaon 122016, Haryana, India. supratik@thsti.res.in.
Current Protein & Peptide Science
|March 17, 2015
Summary
Integrase interactor 1 (INI1/hSNF5) is crucial for cell function and development. Loss of INI1/hSNF5 causes cancers and affects HIV-1 replication, highlighting its role as a tumor suppressor.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Integrase interactor 1 (INI1/hSNF5) is a core component of the SWI/SNF chromatin remodeling complex.
- INI1/hSNF5 is vital for DNA-dependent cellular processes like transcription, replication, and repair.
Purpose of the Study:
- To review and summarize published literature on INI1/hSNF5.
- To emphasize INI1/hSNF5's molecular organization, cellular roles, and involvement in AIDS and cancer.
Main Methods:
- Literature review and synthesis of existing research findings.
Main Results:
- INI1/hSNF5 is essential for cellular viability and development, with its inactivation causing embryonic lethality in mice.
- Loss-of-function mutations in INI1/hSNF5 are linked to cancers, particularly rhabdoid tumors, identifying it as a tumor suppressor.
- INI1/hSNF5 plays a significant role in HIV-1 replication, especially viral integration.
Conclusions:
- Understanding INI1/hSNF5's functions is critical for developing therapeutic strategies for INI1/hSNF5-associated cancers and AIDS.
- Further research into INI1/hSNF5's molecular mechanisms is imperative due to its disease relevance.
Related Concept Videos
Non-LTR Retrotransposons
14.1K
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
14.1K
Intracellular Signaling Affects Focal Adhesions
3.9K
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...
3.9K
Integrins
6.2K
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,...
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,...
6.2K
Activation of Integrins
5.7K
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...
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...
5.7K
Inhibitors of Viral Protein Synthesis
36
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
36
Role Of Notch Signalling In Intestinal Stem Cell Renewal
2.6K
Notch signaling was first discovered in Drosophila melanogaster, where it is involved in cell lineage differentiation. Notch signaling regulates the maintenance and differentiation of intestinal stem cells or ISCs by controlling the expression of atonal homolog 1 or Atoh1. Atoh1 directs cells to differentiate into secretory cells.
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
2.6K

