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Related Experiment Videos

[Gene analysis in human hematopoietic malignancies].

N Kimura1, T Akiyoshi, K Ohshima

  • 11st Department of Internal Medicine, Fukuoka University School of Medicine.

Rinsho Byori. the Japanese Journal of Clinical Pathology
|December 1, 1991
PubMed
Summary

Immunoassociated gene analysis aids in identifying hematopoietic malignancies like leukemia and lymphoma. This PCR-based method detects clonality and residual cancer cells, improving diagnostic accuracy.

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Bcl-2 Gene and Prognosis of B-cell Lymphoma.

Leukemia & lymphoma·2016

Area of Science:

  • Molecular Biology
  • Hematology
  • Immunogenetics

Context:

  • Hematopoietic malignancies encompass a range of cancers affecting blood cells.
  • Accurate diagnosis and lineage determination are crucial for effective treatment strategies.
  • Immunoassociated gene analysis offers a molecular approach to complement phenotypic findings.

Purpose:

  • To evaluate the utility of T-cell receptor and immunoglobulin gene analysis in diagnosing hematopoietic malignancies.
  • To assess the role of gene analysis in determining clonality and lineage of malignant cells.
  • To explore the application of PCR-based methods for detecting minimal residual disease.

Summary:

  • Analysis of T-cell receptors and immunoglobulin genes in 140 hematopoietic malignancy cases revealed gene analysis utility in determining clonality and lineage.
  • While often parallel to phenotypic findings, gene analysis identified bigenotypes and oligoclonalities in 10-30% of cases, impacting prognostic discussions.
  • The study elucidated T-cell development and utilized PCR methods for detecting residual lymphoma and leukemia cells at high sensitivity (1/10(5)).

Impact:

  • Gene analysis provides a valuable tool for confirming clonality and lineage in hematopoietic malignancies.
  • PCR-based detection of residual disease offers enhanced sensitivity for monitoring treatment response and recurrence.
  • Findings contribute to a deeper understanding of T-cell ontogeny and the molecular basis of T-cell malignancies.

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