Transcriptome analysis of pancreatic cancer cell response to treatment with grape seed proanthocyanidins

Weihua Wang1,2, Leilei Zhan3, Dongqi Guo1,2

  • 1Department of Food Science, College of Life Sciences, Tarim University, Alar, Xinjiang 843300, P.R. China.

Oncology Letters
|January 25, 2019
PubMed

Insights

Grape seed proanthocyanidins (GSPs) show promise in cancer therapy by disrupting the cell cycle and DNA processes in pancreatic cancer cells. Further research into GSPs could lead to new chemotherapeutic strategies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Nutraceuticals

Background:

  • Grape seed proanthocyanidins (GSPs) are natural compounds with demonstrated potential in cancer treatment.
  • Understanding the molecular mechanisms of GSP action is crucial for developing effective chemotherapies.

Purpose of the Study:

  • To investigate the molecular mechanisms underlying GSP-induced apoptosis in pancreatic cancer (PC) cells.
  • To identify key genes and pathways affected by GSP treatment in PC cells.

Main Methods:

  • Pancreatic cancer cells were treated with GSPs at specific concentrations and time points.
  • RNA-sequencing was employed to perform transcriptome comparisons between treated and control cells.
  • Gene Ontology and network analyses were utilized to interpret differentially expressed genes (DEGs).

Main Results:

  • GSP treatment led to significant alterations in gene expression, with thousands of DEGs identified at different time points.
  • Analysis revealed that GSPs disrupt the cell cycle, transcription, DNA replication, and DNA repair processes in PC cells.
  • Common DEGs involved in these processes were integrated, highlighting their critical roles in controlling cancer cell progression.

Conclusions:

  • GSPs exhibit potential chemotherapeutic effects on pancreatic cancer cell proliferation.
  • The findings suggest that GSPs interfere with fundamental cellular processes essential for cancer cell survival and replication.

Related Concept Videos

Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.8K
Seed Structure and Early Development of the Sporophyte02:33

Seed Structure and Early Development of the Sporophyte

Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
31.1K
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
759
Introduction to Seed Plants03:40

Introduction to Seed Plants

Most plants are seed plants—characterized by seeds, pollen, and reduced gametophytes. Seed plants include gymnosperms and angiosperms.
68.1K
Diversity in Cell Signaling Responses01:22

Diversity in Cell Signaling Responses

The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity. 
Graded and Abrupt Responses
Some signaling systems generate...
7.9K
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
84.0K