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January 1, 2006Transplantation

Lentiviral Gene Transfer of the Chemokine Antagonist RANTES 9-68 Prolongs Heart Graft Survival

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Key result

Ex vivo lentiviral gene transfer of RANTES 9-68 significantly prolonged cardiac allograft survival to a median of 20 days compared to 15 days in controls (P=0.0007).

Why the study?

Does ex vivo lentiviral gene transfer of RANTES 9-68 prolong heart graft survival in a rat allograft model?

Population

Fisher donor/Lewis recipient rat strain combinations undergoing cardiac allograft transplantation

Comparison

Ex vivo gene transfer into heart allograft by… vs Control (received subtherapeutic cyclosporine A)

Design

Preclinical

Follow-up

Until graft rejection (median 20 days)

Authors

GVGiuseppe VassalliGeneral CardiologyESEleonora SimeoniUniversity of BernJLJianping LiNational Natural Science Foundation of China

Discussion

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Implication

Hypothesis-generating for chemokine antagonism in transplantation; leaves open translation from this rat model.

Structured PICO

Does ex vivo lentiviral gene transfer of RANTES 9-68 prolong heart graft survival in a rat allograft model?

P
Population
Fisher donor/Lewis recipient rat strain combinations undergoing cardiac allograft transplantation and receiving subtherapeutic cyclosporine A.
I
Intervention
Ex vivo gene transfer into heart allograft by multiple injections of SIN.cPPT lentiviral vector encoding RANTES 9-68, plus subtherapeutic cyclosporine A (1.5 mg/kg) for the first 5 days posttransplantation
C
Comparator
Control (received subtherapeutic cyclosporine A)
O
Outcome
Graft survival (days)hard clinical

Main Result

Absolute Event Rate: 20% vs 15%

p-value: p=0.0007

Ex vivo lentiviral gene transfer of the chemokine antagonist RANTES 9-68 significantly prolongs cardiac allograft survival in a rat model, suggesting a potential strategy for organ preservation.

Limitations

  • Low levels of transduction

Cite This Study

Vassalli et al. (2006) studied Cardiac allograft rejection. Ex vivo gene transfer of lentiviral vector encoding RANTES 9-68 vs. Control was evaluated on Graft survival (median days) (p=0.0007). Ex vivo lentiviral gene transfer of RANTES 9-68 significantly prolonged cardiac allograft survival to a median of 20 days compared to 15 days in controls (P=0.0007).

synapsesocial.com/papers/6a98f44e121d028eeb2727d4https://doi.org/10.1097/01.tp.0000194859.98504.9e

Topics

Heart transplantation
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Chemokine receptor‐dependent alloresponses2003 · 57 citations
  2. 2A Third-Generation Lentivirus Vector with a Conditional Packaging System1998 · 3,417 citations
  3. 3Species-Specific, Postentry Barriers to Primate Immunodeficiency Virus Infection1999 · 246 citations
  4. 4HIV-specific T Cell Cytotoxicity Mediated by RANTES Via the Chemokine Receptor CCR31998 · 68 citations
  5. 5Eotaxin-3 is a natural antagonist for CCR2 and exerts a repulsive effect on human monocytes2003 · 113 citations