Borrelia burgdorferi Complement Regulator-Acquiring Surface Protein 2 Does Not Contribute to Complement Resistance or Host Infectivity Function of BbCRASP-2
2008

BbCRASP-2 and Its Role in Lyme Disease

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Coleman Adam S., Yang Xiuli, Kumar Manish, Zhang Xinyue, Promnares Kamoltip, Shroder Deborah, Kenedy Melisha R., Anderson John F., Akins Darrin R., Pal Utpal

Primary Institution: University of Maryland, College Park, Maryland, USA

Hypothesis

Is BbCRASP-2 essential for complement resistance or infectivity of Borrelia burgdorferi in murine hosts?

Conclusion

BbCRASP-2 is not essential for complement resistance or infectivity in mice.

Supporting Evidence

  • B. burgdorferi BbCRASP-2 is expressed in murine tissues but not in ticks.
  • Immunization with BbCRASP-2 did not protect mice from infection.
  • B. burgdorferi BbCRASP-2 mutants retained full infectivity in mice.
  • B. burgdorferi BbCRASP-2 mutants were resistant to complement-mediated killing in vitro.

Takeaway

The study found that a protein called BbCRASP-2 doesn't help the Lyme disease bacteria survive in the body or cause illness, even though it is present during infection.

Methodology

Mice were immunized with BbCRASP-2 and then infected with Borrelia burgdorferi to assess infection and immune response.

Limitations

The study only examined the role of BbCRASP-2 in a murine model and did not explore its effects in other hosts.

Participant Demographics

C3H/HeN mice, 4-6 weeks old.

Statistical Information

P-Value

p>0.05

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003010

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