Related Experiment Video

Updated: Dec 11, 2025

In Vivo Detection and Analysis of Rb Protein SUMOylation in Human Cells
09:40

In Vivo Detection and Analysis of Rb Protein SUMOylation in Human Cells

Published on: November 2, 2017

7.6K

SUMOylation involves in β-arrestin-2-dependent metabolic regulation in breast cancer cell

Changsheng Dong1, Ying Li2, Qun Niu1

  • 1Cancer Institute of Traditional Chinese Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.

Biochemical and Biophysical Research Communications
|August 22, 2020
PubMed

Insights

SUMOylation deficiency of beta-arrestin-2 (a protein regulating cell signaling) slows breast cancer cell migration but not proliferation. This suggests SUMOylation impacts beta-arrestin-2

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Cancer Research

Background:

  • Beta-arrestin-2 (a protein) is known to regulate G protein signaling.
  • SUMOylation (a modification) was previously shown to modulate beta-arrestin-2 signaling pathways.
  • The role of beta-arrestin-2 SUMOylation in cancer cells remained largely unexplored.

Purpose of the Study:

  • To investigate the role of beta-arrestin-2 SUMOylation in breast cancer cells.
  • To determine the impact of SUMOylation deficiency on beta-arrestin-2's function in tumor cells.

Main Methods:

  • Analysis of beta-arrestin-2 SUMOylation in breast cancer cell lines.
  • Assessment of cell migration and proliferation rates in SUMOylation-deficient cells.
  • Investigation of beta-arrestin-2-dependent metabolic regulation.

Main Results:

  • SUMOylation deficiency in beta-arrestin-2 led to reduced breast cancer cell migration.
  • Cell proliferation was minimally affected by the lack of beta-arrestin-2 SUMOylation.
  • Beta-arrestin-2 SUMOylation was found to be involved in metabolic regulation within tumor cells.

Conclusions:

  • Beta-arrestin-2 SUMOylation plays a significant role in regulating breast cancer cell migration and metabolism.
  • Targeting beta-arrestin-2 SUMOylation may offer a novel strategy for cancer therapy.
  • SUMOylation represents a key regulatory mechanism for beta-arrestin-2's biological functions in tumor cells.
Keywords:
Breast cancer cellMetabolic regulationSUMOylationβ-Arrestin-2

More Related Videos

SUMO-Binding Entities SUBEs as Tools for the Enrichment, Isolation, Identification, and Characterization of the SUMO Proteome in Liver Cancer08:29

SUMO-Binding Entities SUBEs as Tools for the Enrichment, Isolation, Identification, and Characterization of the SUMO Proteome in Liver Cancer

Published on: November 1, 2019

7.5K
In Vitro SUMOylation Assay to Study SUMO E3 Ligase Activity09:45

In Vitro SUMOylation Assay to Study SUMO E3 Ligase Activity

Published on: January 29, 2018

9.6K

Related Concept Videos

mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
4.5K
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
5.0K
Regulation of Expression at Multiple Steps01:23

Regulation of Expression at Multiple Steps

The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
1.2K
Regulation of Nuclear Protein Sorting01:45

Regulation of Nuclear Protein Sorting

Nuclear protein sorting regulates nucleus composition and gene expression, crucial for determining the fate of a eukaryotic cell. Hence, the entry and exit of molecules across the nuclear envelope is a tightly controlled process. Nuclear protein sorting can be inhibited by one of the following ways: 1) masking cargo signal sequences, 2) modifying the nuclear receptor's affinity for cargo, 3) controlling the nuclear pore size, 4) retaining the cargo during its transit to the cytosol or the...
3.1K
Covalently Linked Protein Regulators02:04

Covalently Linked Protein Regulators

Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein....
8.4K
PI3K/mTOR/AKT Signaling Pathway01:22

PI3K/mTOR/AKT Signaling Pathway

The mammalian target of rapamycin  (mTOR) is a serine/threonine kinase that regulates growth, proliferation, and cell survival in response to hormones, growth factors, or nutrient availability. This kinase exists in two structurally and functionally distinct forms: mTOR complex 1  (mTORC1) and mTOR complex 2  (mTORC2). The first form (mTORC1) is composed of a rapamycin-sensitive Raptor and proline-rich Akt substrate, PRAS40. In contrast,  mTORC2 consists of a...
5.0K