Related Experiment Video

Updated: Jul 17, 2025

Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay
12:26

Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay

Published on: May 3, 2018

18.7K

Master kinase PDK1 in tumorigenesis

Nana Zheng1, Jiaqi Wei1, Depei Wu1

  • 1National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou 215006, China.

Biochimica Et Biophysica Acta. Reviews on Cancer
|August 28, 2023
PubMed

Insights

3-phosphoinositide-dependent protein kinase 1 (PDK1) is a master kinase regulating cell growth and survival. Its dysregulation and overexpression are linked to cancer, making PDK1 a promising therapeutic target.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • 3-phosphoinositide-dependent protein kinase 1 (PDK1) is a key regulator of the AGC kinase family.
  • PDK1 activity is controlled by autophosphorylation and upstream regulators like S6K and SPOP.
  • PDK1 plays a critical role in cell growth, metastasis, invasion, apoptosis, and survival.

Purpose of the Study:

  • To comprehensively review the upstream regulators, downstream signals, and therapeutic potential of PDK1 in cancer.
  • To highlight PDK1's role in modulating tumor microenvironments and influencing cancer immunotherapies.

Main Methods:

  • Literature review and synthesis of existing research on PDK1.
  • Analysis of PDK1's role in various cancer types and its therapeutic implications.

Main Results:

  • PDK1 overexpression is observed in numerous cancers.
  • Inhibition of PDK1 reduces tumor growth, cell size, and progression.
  • PDK1 influences tumor microenvironments and impacts cancer immunotherapy outcomes.

Conclusions:

  • PDK1 is a crucial factor in cancer development and progression.
  • Targeting PDK1 presents a promising therapeutic strategy for various cancers.
  • Further research into PDK1 inhibitors and their clinical applications is warranted.
Keywords:
AGC kinasePDK1Target therapyTumor microenvironmentTumorigenesis

More Related Videos

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods07:49

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods

Published on: July 17, 2019

6.1K
Author Spotlight: Identifying Compensatory Pathways in Malaria Parasites Containing Hypomorphic Allele of Essential Protein Kinases09:13

Author Spotlight: Identifying Compensatory Pathways in Malaria Parasites Containing Hypomorphic Allele of Essential Protein Kinases

Published on: November 22, 2024

1.4K

Related Concept Videos

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...
3.6K
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...
3.8K
MAPK Signaling Cascades01:07

MAPK Signaling Cascades

Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
5.6K
Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
4.8K
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...
6.3K
M-Cdk Drives Transition Into Mitosis02:15

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
5.6K