Immunomodulation by platelet-derived DKK1: potential for controlling disease and pathology in leishmaniasis and implications for other infectious diseases - Report - MDSpire

Immunomodulation by platelet-derived DKK1: potential for controlling disease and pathology in leishmaniasis and implications for other infectious diseases

  • By

  • Olivia C. Ihedioha

  • Diane McMahon-Pratt

  • Alfred L. M. Bothwell

  • June 2, 2026

  • 0 min

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Clinical Report: Platelet-Derived DKK1 as an Immunomodulator in Leishmaniasis

Overview

Revise to specify the immune responses influenced by DKK1 and its role in parasite survival.

Background

Leishmaniasis, caused by Leishmania major, represents a significant global health challenge, particularly in endemic regions. Understanding the immune mechanisms involved in this chronic inflammatory disease is crucial for developing effective treatments. The role of platelets and their derived factors, such as DKK1, in immune modulation during infections is an emerging area of research.

Data Highlights

No numerical data available in the source material.

Key Findings

  • Platelet activation and DKK1 release are promoted by Leishmania major infection in BALB/c mice.
  • DKK1 influences dendritic cell polarization, favoring Th2 and regulatory immune responses.
  • Enhanced leukocyte-platelet aggregation and recruitment of immune cells occur at inflammatory sites due to DKK1 signaling.
  • Protective Th1-associated immune responses may be diminished in the presence of sustained DKK1 signaling.
  • Platelet-derived DKK1 may have broader implications in the immunopathology of other infectious diseases.

Clinical Implications

The findings suggest that targeting platelet-derived DKK1 could be a potential strategy for modulating immune responses in leishmaniasis and possibly other infectious diseases. Understanding the role of DKK1 in immune regulation may inform future therapeutic approaches.

Conclusion

Platelet-derived DKK1 plays a significant role in shaping immune responses during Leishmania infection, highlighting its potential as an immunomodulatory target. Further research is needed to explore its translational relevance across various infectious diseases.

Related Resources & Content

  1. Ihedioha, O., Frontiers in Immunology, 2026 -- Platelet-Derived DKK1 as an Immunomodulator
  2. Blood Cancer Journal — The Role of RSK1 in FLT3-ITD Positive Acute Myeloid Leukemia
  3. The ASCO Post — PD-1 Inhibition in Patients With Classic or Endemic Kaposi Sarcoma KEY POINTS
  4. Blood Cancer Journal — Targeting the NFκB/IL-6/JAK2/STAT Pathway in Myelofibrosis: Implications for Overcoming Resistance to JAK2 Inhibitors
  5. Clinical Care of Leishmaniasis | Leishmaniasis | CDC
  6. A phase II, non-comparative randomised trial of two treatments involving liposomal amphotericin B and miltefosine for post-kala-azar dermal leishmaniasis in India and Bangladesh - PMC
  7. Frontiers | Leishmania major surface components and DKK1 signalling via LRP6 promote migration and longevity of neutrophils in the infection site

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