Related Experiment Video
Updated: May 22, 2026

Nanoparticle Delivery of an Oligonucleotide Payload in a Glioblastoma Multiforme Animal Model
Published on: September 27, 2024
[Neuroendocrine tumors: the age of targeted therapies]
Jaume Capdevila1, Guillem Argilés, Nuria Mulet-Margalef
1Departamento de Oncología Médica, Hospital Universitario Vall d'Hebron, Barcelona, España. jacapdevila@vhebron.net
Abstract:
Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are the second most prevalent group of advanced gastrointestinal tract tumors. Resources invested in research on this patient population have exponentially increased in recent years, and this has become one of the most attractive fields for oncological research. Several proangiogenic proteins have been found to be overexpressed in GEP-NETs, including vascular endothelial growth factor and its receptors and the more closely related intracellular signaling pathways such as the epidermal growth factor pathway, type I insulin-like growth factor receptor, and the PI3K-(PTEN)-AKT-mTOR pathway. The recent results of the three most important Phase III studies in GEP-NETs have allowed for approval of two targeted agents, sunitinib and everolimus, for the treatment of patients with pancreatic neuroendocrine tumors after decades of minimal advances in this population.
Insights
Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are common advanced gastrointestinal tumors. Targeted therapies like sunitinib and everolimus now offer new treatment options for pancreatic neuroendocrine tumors.
Area of Science:
- Oncology
- Gastroenterology
- Molecular Biology
Context:
- Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) represent the second most common group of advanced gastrointestinal tract tumors.
- Research in GEP-NETs has seen significant growth, highlighting its importance in oncological research.
- Overexpression of proangiogenic proteins and key intracellular signaling pathways is noted in GEP-NETs.
Purpose:
- To review the recent advancements in understanding the molecular pathways involved in GEP-NETs.
- To discuss the implications of new targeted therapies for GEP-NET treatment.
- To highlight the approval of novel agents for pancreatic neuroendocrine tumors.
Summary:
- GEP-NETs exhibit overexpression of vascular endothelial growth factor (VEGF) and its receptors.
- Intracellular pathways, including the epidermal growth factor (EGF) pathway, insulin-like growth factor receptor type I, and PI3K-(PTEN)-AKT-mTOR pathway, are implicated.
- Recent Phase III studies have led to the approval of sunitinib and everolimus for pancreatic neuroendocrine tumor treatment.
Impact:
- The approval of sunitinib and everolimus marks a significant breakthrough after decades of limited therapeutic progress for pancreatic neuroendocrine tumors.
- These targeted agents offer new hope and improved treatment strategies for patients with advanced GEP-NETs.
- Advances in understanding molecular pathways are paving the way for more personalized GEP-NET therapies.
More Related Videos
09:33Preparation Of Neovascular Tissues from Human Glioma Tissues for Quantitative Proteomics Analysis of Tumor Angiogenesis
Published on: March 20, 2026
12:04Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy
Published on: August 14, 2012
Related Concept Videos
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Treatment Resistant Cancers
Electron Transport Chain: Complex I and II
ROS generation is regulated and maintained at moderate levels necessary...