Related Experiment Video
Updated: Jan 16, 2026
08:50
In Vitro Cultivation Techniques for Modeling Liver Organogenesis, Building Assembloids, and Designing Synthetic Tissues using Human Cell Lines
Published on: April 18, 2025
873
Integrator Complex Subunit 6 Regulates Biological Nature of Hepatocellular Carcinoma by Modulating
Sayaka Yonezawa1, Keishi Kanno1, Minami Shiozaki1
1Department of General Internal Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan.
Current Issues in Molecular Biology
|September 29, 2025
Summary
Low INTS6 expression correlates with poor prognosis in hepatocellular carcinoma (HCC). Restoring INTS6 via saRNA suppresses tumor growth and enhances sorafenib sensitivity, offering a new therapeutic strategy for HCC.
Area of Science:
- Oncology
- Molecular Biology
- Gene Regulation
Background:
- Hepatocellular carcinoma (HCC) presents limited treatment options and frequent drug resistance.
- Integrator complex subunit 6 (INTS6) is implicated as a tumor suppressor influencing Wnt/β-catenin signaling and epithelial-mesenchymal transition (EMT).
Purpose of the Study:
- To elucidate the role of INTS6 in HCC EMT.
- To investigate the therapeutic potential of small activating RNA (saRNA)-induced INTS6 expression.
Main Methods:
- Analysis of The Cancer Genome Atlas (TCGA) dataset for INTS6 clinical relevance in HCC.
- Functional studies in a hepatoma cell line to assess INTS6 modulation effects on tumor behavior.
- Evaluation of saRNA-mediated INTS6 induction on EMT markers and HCC progression.
Main Results:
- Low INTS6 expression in HCC patients correlated with reduced disease-free survival and poorer prognosis.
- INTS6 suppression increased mesenchymal markers, while saRNA-induced INTS6 suppressed them.
- Restored INTS6 expression inhibited HCC cell migration, invasion, and proliferation via G1 cell-cycle arrest and improved sorafenib sensitivity.
Conclusions:
- INTS6 is a potential therapeutic target for hepatocellular carcinoma.
- saRNA-mediated INTS6 induction represents a novel therapeutic strategy for HCC, potentially overcoming drug resistance and improving outcomes.
Related Concept Videos
01:19Cadherins in Tissue Organization
3.9K
The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
Cell sorting plays an...
Cell Sorting During Development
Cell sorting plays an...
3.9K
01:12Role Of Notch Signalling In Intestinal Stem Cell Renewal
2.4K
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...
2.4K
02:30Metastasis
6.4K
Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
6.4K
01:22Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal
2.6K
Erythropoietin-producing hepatocellular carcinoma receptor (Eph) and its ligand, Eph receptor-interacting protein (Ephrin) were first discovered in the human carcinoma cell line, hence the name. Ephrin-Eph interaction guides cells to reach their appropriate location in adult tissues. They also play an essential role in the immune system by helping in immune cell migration, adhesion, and activation. Based on their structure and function, Eph is divided into two classes — EphA and EphB.
2.6K
01:19Interactions Between Signaling Pathways
7.2K
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...
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...
7.2K
02:33Hedgehog Signaling Pathway
9.8K
The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
9.8K