Related Experiment Video
Updated: Jun 26, 2026
10:21
Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
Prostate cancer-producing granulocyte colony-stimulating factor.
Yoh Matsuoka1, Gaku Arai, Yume Okada
1Department of Urology, Tokyo Metropolitan Tama Geriatric Hospital, Tokyo, Japan. yoh-m.uro@tmd.ac.jp
Urologia Internationalis
|January 28, 2009
Summary
This study reports a rare case of advanced prostate cancer producing granulocyte colony-stimulating factor (G-CSF). Despite initial treatment response, the cancer progressed rapidly, highlighting potential roles of G-CSF in aggressive prostate cancer.
Area of Science:
- Oncology
- Hematology
- Biochemistry
Background:
- Prostate cancer, particularly high-grade adenocarcinoma (Gleason score 9), presents diagnostic and therapeutic challenges.
- Aggressive prostate cancer can exhibit rapid progression and metastasis despite standard treatments like combined androgen blockade.
- Leukocytosis in cancer patients without infection may indicate underlying paraneoplastic syndromes or cytokine dysregulation.
Observation:
- An 86-year-old male with advanced prostate cancer (cT3aN0M0, Gleason 9) showed a serum prostate-specific antigen of 93.33 ng/ml.
- The patient developed leukocytosis during his clinical course, with no evidence of localized infection.
- Elevated serum levels of granulocyte colony-stimulating factor (G-CSF) and macrophage colony-stimulating factor were detected via enzyme immunoassay.
Findings:
- This case represents the first documented instance of prostate cancer producing G-CSF.
- Immunohistochemical analysis confirmed the presence of G-CSF within the tumor tissue.
- The patient experienced rapid cancer progression and mortality within 6 months, despite initial response to androgen blockade.
Implications:
- Prostate cancer may, in rare cases, produce G-CSF, contributing to paraneoplastic leukocytosis.
- Tumor-derived G-CSF could potentially influence prostate cancer progression and aggressiveness.
- Further research is warranted to explore the role of G-CSF in prostate cancer pathogenesis and its potential as a therapeutic target.
More Related Videos
Related Concept Videos
01:15Differentiation of Common Myeloid Progenitor Cells
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
01:01Regulation of Hematopoietic Stem Cells
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
01:28Role of Hematopoietic Growth Factors
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...