Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Nucleolus02:55

The Nucleolus

8.6K
The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...
8.6K
Additional Subnuclear Structures02:10

Additional Subnuclear Structures

4.2K
The eukaryotic nucleus is a double membrane-bound organelle that contains nearly all of the cell’s genetic material in the form of chromosomes. It is rightly called the “brain” of the cell as it shoulders the responsibility of responding to various physiological processes, stress, altered metabolic conditions, and other cellular signals. 
The nucleus contains many membrane-less subnuclear organelles or nuclear bodies, such as nucleoli, Cajal bodies, speckles,...
4.2K
The Nucleus01:25

The Nucleus

6.2K
The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles.
Arrangement of DNA within Nucleus
The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
6.2K
The Nucleus01:32

The Nucleus

74.5K
The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles.
Arrangement of DNA within Nucleus
The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
74.5K
Nuclear Protein Sorting01:34

Nuclear Protein Sorting

4.8K
Nuclear protein sorting is the selective trafficking of histones, polymerases, gene regulatory proteins into the nucleus and exporting RNAs and ribosomes to the cytosol. It is a tightly controlled process that regulates gene expression within a cell.
Proteins targeted to the nucleus carry nuclear localization signals or NLS recognized by import receptors in the cytosol. Similarly, proteins with nuclear export signals are recognized by export receptors. Import and export receptors are...
4.8K
Nucleoid01:24

Nucleoid

2.2K
The nucleoid represents a structurally and functionally distinct region within prokaryotic cells, where the cell's DNA and associated proteins are housed. Unlike eukaryotic cells, prokaryotes lack a membrane-bound nucleus, and the nucleoid facilitates the organization and accessibility of the genetic material within this constraint. The DNA in most bacteria and archaea exists as a single, circular, double-stranded molecule that is highly compacted through supercoiling and interactions with...
2.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Hemodynamic effects of synchronous and asynchronous independent lung ventilation with different levels of positive end-expiratory pressure and tidal volumes on unilateral lung injury in dogs].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2010
Same author

[Study on the immuno-effects and influencing factors of Chinese hamster ovary (CHO) cell hepatitis B vaccine among adults, under different dosages].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2010
Same author

Assemblies of fluorine containing bent-shaped liquid crystal molecules studied by using scanning tunneling microscopy.

Journal of nanoscience and nanotechnology·2010
Same author

Carbon nanotubes induce secondary structure changes of bovine albumin in aqueous phase.

Journal of nanoscience and nanotechnology·2010
Same author

[Immunogenicity and protective efficacy of pertactin recombinants against Bordetella bronchiseptica challenge].

Wei sheng wu xue bao = Acta microbiologica Sinica·2010
Same author

[Analysis of the electrocardiographic findings in 288 patients with acute pulmonary thromboembolism].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2010

Related Experiment Video

Updated: May 4, 2026

Author Spotlight: Investigating Immune Cell Dynamics in the Tumor Microenvironment — Challenges and Innovations in Cancer Prognosis
07:32

Author Spotlight: Investigating Immune Cell Dynamics in the Tumor Microenvironment — Challenges and Innovations in Cancer Prognosis

Published on: April 12, 2024

2.1K

The perinucleolar compartment associates with malignancy.

Yiping Wen1, Chen Wang2, Sui Huang2

  • 1Department of Cell and Molecular Biology, Northwestern University, Feinberg School of Medicine, IL 60611, USA ; College of Veterinary Medicine, Sichuan Agricultural University, Yaan 625014, China.

Frontiers in Biology
|December 19, 2013
PubMed
Summary

The perinucleolar compartment (PNC) is a nuclear structure mainly found in cancer cells. Its prevalence correlates with cancer progression, but its exact function in cancer remains to be elucidated.

Keywords:
PNCcancergene expression regulationnuclear substructurestructure and function

More Related Videos

Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors
08:57

Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors

Published on: May 17, 2024

3.1K
A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
08:59

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma

Published on: January 5, 2017

10.2K

Related Experiment Videos

Last Updated: May 4, 2026

Author Spotlight: Investigating Immune Cell Dynamics in the Tumor Microenvironment — Challenges and Innovations in Cancer Prognosis
07:32

Author Spotlight: Investigating Immune Cell Dynamics in the Tumor Microenvironment — Challenges and Innovations in Cancer Prognosis

Published on: April 12, 2024

2.1K
Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors
08:57

Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors

Published on: May 17, 2024

3.1K
A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
08:59

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma

Published on: January 5, 2017

10.2K

Area of Science:

  • Cell Biology
  • Oncology
  • Nuclear Structure Research

Background:

  • The perinucleolar compartment (PNC) is a distinct nuclear substructure.
  • PNCs are predominantly observed in cancer cells, both in vitro and in vivo.
  • PNC prevalence correlates positively with disease progression in breast, ovarian, and colon cancers.

Purpose of the Study:

  • To summarize the current understanding of the association between PNCs and cancer.
  • To explore the potential molecular functions of PNCs within cancer cells.

Main Methods:

  • Literature review and synthesis of existing research on PNCs.
  • Analysis of studies correlating PNC prevalence with cancer progression.
  • Discussion of proposed molecular functions based on current evidence.

Main Results:

  • PNCs are strongly associated with various cancer types.
  • A clear correlation exists between PNC prevalence and cancer disease progression.
  • The precise molecular function of PNCs in cancer cells is still under investigation.

Conclusions:

  • PNCs represent a significant nuclear alteration in cancer cells.
  • Further research is required to fully understand the functional role of PNCs in cancer biology and progression.