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Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
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Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying...
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Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
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The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
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Related Experiment Video

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An Optimized Protocol for Electrophoretic Mobility Shift Assay Using Infrared Fluorescent Dye-labeled Oligonucleotides
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SOX10.

Albert L Sy1, Mai P Hoang2

  • 1Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA.

Journal of Clinical Pathology
|June 19, 2023
PubMed
Summary
This summary is machine-generated.

Sox10 transcription factors are crucial for embryogenesis and cell differentiation, particularly in neural crest development. Sox10 immunostaining is a sensitive diagnostic tool in histopathology for identifying specific tumors and distinguishing mimics.

Keywords:
ANTIBODIESBreast NeoplasmsMelanocytesPeripheral Nervous System DiseasesSalivary Glands

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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Histopathology

Background:

  • SOX genes encode transcription factors essential for embryogenesis and cell differentiation.
  • SOX10 specifically plays a role in neural crest cell development and migration.
  • Diagnostic histopathology utilizes ancillary tests for accurate tumor classification.

Purpose of the Study:

  • To highlight the significance of SOX10 in biological processes.
  • To underscore the utility of Sox10 immunostaining in diagnostic histopathology.
  • To detail the applications of Sox10 in differentiating various neoplasms.

Main Methods:

  • Review of SOX gene function, focusing on SOX10.
  • Analysis of Sox10 immunostain sensitivity and specificity in histopathological diagnosis.
  • Comparison of Sox10 utility in distinguishing challenging differential diagnoses.

Main Results:

  • SOX10 is vital for neural crest development.
  • Sox10 immunostain demonstrates high sensitivity for melanocytic and peripheral nerve sheath neoplasms.
  • Sox10 aids in differentiating triple-negative breast carcinomas from other neoplasms and mimics.

Conclusions:

  • SOX10 is a key transcription factor in development.
  • Sox10 immunostaining is a valuable and sensitive ancillary test in histopathology.
  • Sox10 immunostain aids in the differential diagnosis of various tumors, improving diagnostic accuracy.