Related Experiment Video

Updated: Feb 2, 2026

Author Spotlight: Reprogramming Cancer Cells to iPSCs to Study Disease Progression and Treatment Targets
07:08

Author Spotlight: Reprogramming Cancer Cells to iPSCs to Study Disease Progression and Treatment Targets

Published on: February 2, 2024

1.5K

miRNA-1290 Promotes Aggressiveness in Pancreatic Ductal Adenocarcinoma by Targeting IKK1

Na Ta1, Xiaoyi Huang1, Kailian Zheng2

  • 1Department of Pathology, Changhai Hospital, Second Military Medical University, Shanghai, China.

Cellular Physiology and Biochemistry : International Journal of Experimental Cellular Physiology, Biochemistry, and Pharmacology
|November 22, 2018
PubMed
Abstract

Insights

MicroRNA-1290 (miR-1290) promotes pancreatic ductal adenocarcinoma (PDAC) aggressiveness by targeting IKK1. This miR-1290/IKK1 pathway presents a potential new target for PDAC diagnosis and treatment.

Area of Science:

  • Molecular Oncology
  • Cancer Biology
  • RNA Biology

Background:

  • MicroRNAs (miRNAs) are key regulators in pancreatic carcinogenesis.
  • Pancreatic ductal adenocarcinoma (PDAC) often exhibits constitutive NF-kB activation, linked to KRAS mutations via IKK1.
  • The role of miR-1290 in PDAC aggressiveness requires investigation.

Purpose of the Study:

  • To investigate the association between miR-1290 and PDAC aggressiveness.
  • To elucidate the molecular mechanism by which miR-1290 influences PDAC progression.
  • To evaluate miR-1290 as a potential diagnostic and therapeutic target.

Main Methods:

  • miRNA expression profiling using miRCURYTM LNA Array and in situ hybridization.
  • Validation of miRNA findings via quantitative PCR.
  • Assessment of PDAC cell behavior (proliferation, invasion, migration) using in vitro assays.
  • Dual-luciferase reporter assay and western blotting to determine target interaction and protein expression.
  • In vivo validation using a subcutaneous tumor mouse model.

Main Results:

  • 36 miRNAs were found to be dysregulated in high-grade PanIN and PDAC tissues.
  • miR-1290 expression correlated significantly with histological differentiation, pT stage, and lymph node metastasis.
  • In vitro and in vivo studies demonstrated that miR-1290 promotes PDAC cell proliferation, invasion, and migration.
  • miR-1290 directly targets the 3'-untranslated region of IKK1, enhancing cancer aggressiveness.

Conclusions:

  • MiR-1290 functions as an oncogene in PDAC by directly targeting IKK1.
  • The miR-1290/IKK1 pathway represents a novel diagnostic and therapeutic target for PDAC.
  • Further research into this pathway could lead to improved management strategies for PDAC.
Keywords:
CarcinogenesisIKK1PanINPancreatic ductal adenocarcinomamiRNA

More Related Videos

Ultrasound-Guided Orthotopic Implantation of Murine Pancreatic Ductal Adenocarcinoma06:21

Ultrasound-Guided Orthotopic Implantation of Murine Pancreatic Ductal Adenocarcinoma

Published on: November 19, 2019

12.2K
Oncogene Expression Analysis with Alterations in pH in a Pancreatic Ductal Cell Line06:24

Oncogene Expression Analysis with Alterations in pH in a Pancreatic Ductal Cell Line

Published on: April 11, 2025

932

Related Concept Videos

Aggression01:47

Aggression

Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for...
30.4K
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...
18.8K
The Eukaryotic Promoter Region02:40

The Eukaryotic Promoter Region

3.9K
Secondary Motives: Affiliation Motivation and Aggression Motivation01:21

Secondary Motives: Affiliation Motivation and Aggression Motivation

Affiliation motivation is the intrinsic desire to connect with others and belong to a social group, which plays a crucial role in forming and maintaining personal relationships. This type of motivation is essential for psychological well-being, as it provides individuals with a sense of community and support. An example of this is a student who joins a study group in order to feel a sense of connection. People with high affiliation motivation actively seek social approval, take satisfaction in...
701
Anaphase Promoting Complex00:50

Anaphase Promoting Complex

The stepwise destruction of specific proteins is necessary for the progression and completion of the cell cycle. Such proteins are ubiquitinated by ubiquitin ligases and then subsequently destroyed by the proteasome. The SCF (Skp1/Cullin/F-box) and the anaphase-promoting complex (APC) are two important ubiquitin ligases involved in cell cycle progression. While SCF is active throughout the cell cycle, APC gets activated during metaphase to anaphase transition. Cdc20 or Cdh1 binds to APC and...
3.4K
Models of Health Promotion and Illness Prevention II01:18

Models of Health Promotion and Illness Prevention II

The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
The agent-host-environment model states that disease results...
2.1K