Related Experiment Video

Updated: Jan 20, 2026

Non-Invasive Ultrasound Assessment of Endometrial Cancer Progression in Pax8-Directed Deletion of the Tumor Suppressors Arid1a and Pten in Mice
07:44

Non-Invasive Ultrasound Assessment of Endometrial Cancer Progression in Pax8-Directed Deletion of the Tumor Suppressors Arid1a and Pten in Mice

Published on: February 17, 2023

2.0K

ILF2 promotes anchorage independence through direct regulation of PTEN

Na Li1, Tao Liu2, Hui Li1

  • 1Pathology Department, Xingtai Medical College, Xingtai, Hebei 054000, P.R. China.

Oncology Letters
|August 20, 2019
PubMed

Insights

Interleukin enhancer-binding factor 2 (ILF2) promotes non-small cell lung cancer (NSCLC) metastasis by inhibiting the tumor suppressor PTEN. This allows cancer cells to survive detachment, a key step in cancer spread.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Anoikis is programmed cell death triggered by loss of cell-matrix or cell-cell contact.
  • Resistance to anoikis is essential for cancer cell metastasis.
  • Interleukin enhancer-binding factor 2 (ILF2) is implicated as a proto-oncogene in various cancers.

Purpose of the Study:

  • To investigate the role of ILF2 in non-small cell lung cancer (NSCLC).
  • To elucidate the mechanism by which ILF2 influences cancer cell survival and metastasis.

Main Methods:

  • Quantitative analysis of ILF2 expression in NSCLC cell lines versus normal cell lines.
  • Chromatin immunoprecipitation (ChIP) assays to determine ILF2 binding to PTEN regulatory regions.
  • Luciferase reporter gene assays to assess ILF2's effect on PTEN expression.
  • Cell suspension culture to evaluate anoikis resistance and cell adhesion.

Main Results:

  • ILF2 was significantly upregulated in NSCLC cell lines compared to normal cells.
  • ILF2 directly binds to the upstream regulatory region of the phosphatase and tensin homolog (PTEN) gene.
  • ILF2 suppresses PTEN expression, leading to reduced cell adhesion and increased survival in suspension.
  • This mechanism promotes anchorage-independence in NSCLC cells.

Conclusions:

  • ILF2 promotes anchorage-independence in NSCLC cells by inhibiting the tumor suppressor PTEN.
  • ILF2-mediated suppression of PTEN is a critical mechanism enabling NSCLC cells to resist anoikis and survive detachment.
  • ILF2 represents a potential therapeutic target for inhibiting NSCLC metastasis.
Keywords:
anchorage independenceinterleukin enhancer binding factor 2non-small cell lung cancerphosphatase and tensin homologtranscriptional regulation

More Related Videos

Methods to Discover Alternative Promoter Usage and Transcriptional Regulation of Murine Bcrp111:02

Methods to Discover Alternative Promoter Usage and Transcriptional Regulation of Murine Bcrp1

Published on: May 27, 2016

8.5K
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage11:51

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage

Published on: February 10, 2014

15.9K

Related Concept Videos

The Eukaryotic Promoter Region02:40

The Eukaryotic Promoter Region

The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences.  The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...
18.7K
Introduction to Test of Independence01:21

Introduction to Test of Independence

In statistics, the term independence means that one can directly obtain the probability of any event involving both variables by multiplying their individual probabilities. Tests of independence are chi-square tests involving the use of a contingency table of observed (data) values.
The test statistic for a test of independence is similar to that of a goodness-of-fit test:
2.9K
Hypothesis Test for Test of Independence01:16

Hypothesis Test for Test of Independence

The test of independence is a chi-square-based test used to determine whether two variables or factors are independent or dependent. This hypothesis test is used to examine the independence of the variables. One can construct two qualitative survey questions or experiments based on the variables in a contingency table. The goal is to see if the two variables are unrelated (independent) or related (dependent). The null and alternative hypotheses for this test are:
H0: The two variables (factors)...
7.4K
Master Transcription Regulators02:23

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
7.7K
Law of Independent Assortment02:03

Law of Independent Assortment

While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
62.3K
Positive Regulator Molecules01:45

Positive Regulator Molecules

To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.
134.5K