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Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
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Related Experiment Video

Updated: Jul 13, 2026

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
09:02

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation

Published on: November 26, 2018

Introduction: Chronic lymphocytic leukemia in perspective.

Kanti R Rai1

  • 1Division of Hematology-Oncology, Long Island Jewish Med Center, New Hyde Park, NY 11040, USA. rai@lij.edu

Best Practice & Research. Clinical Haematology
|August 21, 2007
PubMed
Summary

Despite advances in understanding chronic lymphocytic leukemia (CLL) and its treatment, new mechanisms remain unintegrated. Standardization of diagnostic tests like ZAP-70 and FISH is crucial for reliable CLL research and patient care.

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11:39

Subcellular Fractionation of Primary Chronic Lymphocytic Leukemia Cells to Monitor Nuclear/Cytoplasmic Protein Trafficking

Published on: October 23, 2019

Area of Science:

  • Hematology
  • Oncology
  • Molecular Biology

Background:

  • Chronic lymphocytic leukemia (CLL) research has progressed significantly in understanding its pathophysiology and treatment over the last two decades.
  • However, there is a gap between newly identified pathophysiological mechanisms and their clinical integration in CLL management.

Purpose of the Study:

  • To highlight critical unresolved questions for clinicians and scientists studying CLL.
  • To emphasize the urgent need for standardization of key diagnostic tests in commercial laboratories for CLL.

Main Methods:

  • This is a perspective essay, not based on experimental data.
  • It involves identifying and discussing critical research questions and unmet needs in CLL.

Main Results:

  • Key diagnostic markers such as ZAP-70, CD38, IgV(H) gene mutation status, and fluorescence in-situ hybridization (FISH) cytogenetics require standardized testing.
  • Lack of standardization hinders the reliability and reproducibility of results from commercial laboratories.

Conclusions:

  • Standardization of diagnostic tests is the most critical remaining issue in CLL research and clinical practice.
  • Addressing this will improve the reliability of prognostic and predictive markers, ultimately benefiting patient care and research efforts in CLL.