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Updated: Apr 12, 2026

Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus KSHV
07:02

Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus KSHV

Published on: September 14, 2010

13.2K

Atypical chemokine receptor 2: a brake against Kaposi's sarcoma aggressiveness

Raffaella Bonecchi1, Benedetta Savino1, Nicoletta Caronni1

  • 1Humanitas Clinical and Research Center ; Rozzano, Italy ; Department of Medical Biotechnologies and Translational Medicine; Università degli Studi di Milano ; Rozzano, Italy.

Oncoimmunology
|May 13, 2015
PubMed

Insights

Downregulation of atypical chemokine receptor 2 (ACKR2) in Kaposi's sarcoma fuels tumor growth by increasing tumor-associated macrophages. Targeting this pathway offers a new therapeutic strategy for cancer inflammation.

Area of Science:

  • Oncology
  • Immunology
  • Molecular Biology

Background:

  • Inflammatory chemokines are key drivers of cancer-related inflammation and tumor progression.
  • The atypical chemokine receptor 2 (ACKR2) plays a role in regulating the tumor microenvironment.

Purpose of the Study:

  • To investigate the role of ACKR2 downregulation in Kaposi's sarcoma.
  • To elucidate the impact of the KRAS/BRAF/ERK pathway on ACKR2 and tumor-associated macrophages.
  • To explore therapeutic targeting strategies for ACKR2 in cancer.

Main Methods:

  • Analysis of ACKR2 expression in Kaposi's sarcoma.
  • Investigation of the KRAS/BRAF/ERK signaling pathway.
  • Assessment of tumor-associated macrophage accumulation.
  • Evaluation of tumor growth in relation to ACKR2 levels.

Main Results:

  • Downregulation of ACKR2 by the KRAS/BRAF/ERK pathway was observed in Kaposi's sarcoma.
  • ACKR2 downregulation led to increased accumulation of tumor-associated macrophages.
  • This macrophage accumulation sustained tumor growth.

Conclusions:

  • ACKR2 downregulation is a critical mechanism in Kaposi's sarcoma progression.
  • The KRAS/BRAF/ERK pathway controls ACKR2, influencing the tumor microenvironment.
  • Targeting ACKR2 presents a potential therapeutic avenue for managing cancer-related inflammation and tumor growth.
Keywords:
Kaposi's sarcomaatypical chemokine receptorschemokinesinflammation and cancermacrophages

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