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Related Concept Videos

Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Prescription, Nonprescription and Orphan Drugs01:02

Prescription, Nonprescription and Orphan Drugs

Prescription drugs require a prescription from a medical practitioner and can only be obtained from a pharmacy. They have many applications, including treating pain, anxiety, and hypertension.
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...

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Related Experiment Video

Updated: Jun 1, 2026

In Vivo Functional Study of Disease-associated Rare Human Variants Using Drosophila
06:41

In Vivo Functional Study of Disease-associated Rare Human Variants Using Drosophila

Published on: August 20, 2019

The orphan disease networks.

Minlu Zhang1, Cheng Zhu2, Alexis Jacomy3

  • 1Department of Computer Science, University of Cincinnati, Cincinnati, OH 45229, USA; Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.

American Journal of Human Genetics
|June 14, 2011
PubMed
Summary
This summary is machine-generated.

Orphan diseases (OD) often involve essential genes, unlike common diseases. Analyzing gene and feature networks reveals complex OD relationships beyond just gene links, improving understanding for diagnosis and therapies.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Systems Biology

Background:

  • Orphan diseases (OD) are rare, necessitating collaborative efforts for improved diagnosis, prevention, and therapeutics.
  • Understanding the genetic and functional underpinnings of OD is crucial for developing effective strategies.

Purpose of the Study:

  • To conduct a comprehensive bioinformatic analysis of orphan diseases (OD) and their causative genes.
  • To investigate relationships between OD based on shared genes and functional features.
  • To explore limitations of traditional gene-based disease networks and propose alternative network constructions.

Main Methods:

  • Constructed and topologically analyzed three networks: OD network, OD-causing mutant gene network, and their interactome.
  • Utilized the human protein interactome for network construction.
  • Developed OD networks based on shared enriched features (biological processes, pathways, phenotypes, literature).

Main Results:

  • Identified that a majority of OD-causing mutant genes are essential, unlike those for common diseases.
  • Demonstrated that OD-causing genes are topologically important and ubiquitously expressed within the protein interactome.
  • Functional enrichment analysis indicated that many OD-causing mutations lead to premature death or lethality in mouse models.
  • Discovered additional OD-OD relationships, both similar and diverse, using feature-based networks.
  • Observed significant differences between gene-based and feature-based OD network structures.

Conclusions:

  • Orphan disease-causing genes are predominantly essential and functionally significant.
  • Feature-based network analysis reveals OD relationships not captured by gene-based networks alone.
  • Integrating diverse data types is essential for a holistic understanding of orphan diseases and their interconnections.