Related Experiment Video

Updated: Apr 20, 2026

Network Pharmacology Prediction and Experimental Validation of Trichosanthes-Fritillaria thunbergii Action Mechanism Against Lung Adenocarcinoma
13:18

Network Pharmacology Prediction and Experimental Validation of Trichosanthes-Fritillaria thunbergii Action Mechanism Against Lung Adenocarcinoma

Published on: March 3, 2023

1.9K

PINK1 signalling in cancer biology

Ciara H O'Flanagan1, Cora O'Neill1

  • 1School of Biochemistry and Cell Biology, BioSciences Institute, University College Cork, Ireland.

Biochimica Et Biophysica Acta
|December 3, 2014
PubMed

Insights

PTEN-induced kinase 1 (PINK1) impacts cancer cell survival, mitochondrial health, and the cell cycle. Its role in cancer is complex, with potential as a therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • PTEN-induced kinase 1 (PINK1) was initially identified in cancer cells.
  • Loss-of-function mutations in PINK1 are linked to Parkinson's disease.
  • PINK1 regulates key cellular processes including survival, stress resistance, mitochondrial homeostasis, and the cell cycle.

Purpose of the Study:

  • To review the function of PINK1 in cancer cell biology.
  • To emphasize PINK1's mechanisms of interaction with PI3-kinase/Akt signaling and mitochondrial homeostasis.
  • To explore the context-dependent pro- and anti-tumorigenic functions of PINK1.

Main Methods:

  • Literature review of studies on PINK1 in cancer.
  • Analysis of PINK1's interactions with the PI3-kinase/Akt/mTOR signaling axis.
  • Examination of PINK1's role in mitochondrial and metabolic functions relevant to cancer.

Main Results:

  • PINK1 regulates cancer cell survival, stress resistance, mitochondrial homeostasis, and the cell cycle.
  • PINK1 interacts with the PI3-kinase/Akt/mTOR signaling pathway.
  • PINK1 exhibits context-dependent pro- and anti-tumorigenic functions, with some studies highlighting cytoprotective and chemoresistant roles.

Conclusions:

  • PINK1 plays a significant role in cancer cell biology through its regulation of cellular processes and signaling pathways.
  • Understanding PINK1's complex functions is crucial for its potential development as a cancer therapeutic target.
  • Further research is needed to fully elucidate the dual roles of PINK1 in tumorigenesis and cancer progression.
Keywords:
CancerCell cycleChemoresistanceMitochondrial homeostasisPI3-kinase/AktPINK1

More Related Videos

Author Spotlight: Exploring Salidroside's Molecular Mechanisms in Breast Cancer Treatment11:13

Author Spotlight: Exploring Salidroside's Molecular Mechanisms in Breast Cancer Treatment

Published on: June 9, 2023

2.6K
Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter11:32

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter

Published on: March 27, 2020

7.5K

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...
5.1K
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

1.8K
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

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...
8.0K
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...
5.5K
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...
6.5K
Cancer-Critical Genes I: Proto-oncogenes01:33

Cancer-Critical Genes I: Proto-oncogenes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
12.2K