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Related Concept Videos

Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.
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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
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Gene of the month: BCOR.

Alessandro Pietro Aldera1,2, Dhirendra Govender3,4

  • 1Anatomical Pathology, University of Cape Town, Cape Town, South Africa alessandro.aldera@nhls.ac.za.

Journal of Clinical Pathology
|March 13, 2020
PubMed
Summary

Mutations and fusions in the BCOR gene are found in diverse tumors with similar histological features. BCOR immunohistochemistry is a valuable diagnostic marker for these cancers.

Keywords:
cancercancer geneticsgenetics

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Area of Science:

  • Genetics
  • Oncology
  • Molecular Biology

Background:

  • The BCL-6 transcriptional corepressor (BCOR) gene plays a role in gene silencing.
  • BCOR mutations are increasingly identified across various tumor types.
  • These tumors often exhibit similar histological characteristics, such as small round blue cell morphology.

Purpose of the Study:

  • To investigate the role of BCOR alterations in tumor development.
  • To highlight the shared histological features of BCOR-altered tumors.
  • To establish BCOR immunohistochemistry as a diagnostic tool.

Main Methods:

  • Analysis of BCOR gene mutations and translocations in diverse tumor samples.
  • Histopathological examination of tumors with BCOR alterations.
  • Evaluation of BCOR immunohistochemistry for diagnostic utility.

Main Results:

  • BCOR mutations and fusions (e.g., with CCNB3, MAML3, ZC3H7B) are associated with specific tumor types, including clear cell sarcoma of the kidney and high-grade neuroepithelial tumors.
  • Tumors with BCOR alterations share overlapping histological features.
  • BCOR immunohistochemistry demonstrates diagnostic utility in identifying these tumors.

Conclusions:

  • BCOR gene alterations are recurrent in a spectrum of tumors with distinct histological patterns.
  • Understanding BCOR alterations aids in tumor classification and diagnosis.
  • BCOR immunohistochemistry is a valuable marker for diagnosing BCOR-altered neoplasms.