Brucella proline racemase protein A targets Tpl2 to promote IL-10 secretion for establishment of chronic infection - Scorecard - MDSpire

Brucella proline racemase protein A targets Tpl2 to promote IL-10 secretion for establishment of chronic infection

  • By

  • Huan Zhang

  • Xueyu Tao

  • Yuanzhi Wang

  • Yueli Wang

  • Huilin Hou

  • Xiaoyu Deng

  • Zhenyu Xu

  • Xujin Xia

  • Mingguo Xu

  • Zhen Wang

  • Changsuo Zhang

  • Zhumanov Kairat Toksanbaevich

  • Jinliang Sheng

  • Zhongchen Ma

  • Jihai Yi

  • Chuangfu Chen

  • June 9, 2026

  • 0 min

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Clinical Scorecard: Brucella melitensis Proline Racemase Protein A Activates Tpl2 to Enhance IL-10 Production and Facilitate Chronic Infection

At a Glance

CategoryDetail
ConditionBrucellosis
Key MechanismsActivation of Tpl2-ERK signaling pathway by PrpA leading to IL-10 production.
Target PopulationIndividuals infected with Brucella spp.
Care SettingClinical and research settings focusing on infectious diseases.

Key Highlights

  • Brucella PrpA induces IL-10 secretion in macrophages.
  • Tpl2 deletion impairs macrophage bactericidal ability.
  • PrpA deletion enhances IFN-γ levels and T cell responses.
  • Brucella melitensis M5–90 prpA mutant shows higher protection against virulent strains.

Guideline-Based Recommendations

Diagnosis

  • Monitor for symptoms of brucellosis including fever and chronic disease manifestations.

Management

  • Consider the role of IL-10 in chronic infections when developing treatment strategies.

Monitoring & Follow-up

  • Assess cytokine levels (IL-10, TNF-α, IL-1β) in patients with brucellosis.

Risks

  • Potential for chronic infection and immune suppression due to Brucella's evasion strategies.

Patient & Prescribing Data

Patients with confirmed brucellosis.

Focus on immune modulation and monitoring of inflammatory cytokines.

Clinical Best Practices

  • Utilize Brucella melitensis M5–90 for vaccine development.
  • Investigate the role of immune evasion mechanisms in chronic brucellosis.

Related Resources & Content

Original Source(s)

Brucella proline racemase protein A targets Tpl2 to promote IL-10 secretion for establishment of chronic infection

  • by Huan Zhang, Xueyu Tao, Yuanzhi Wang, Yueli Wang, Huilin Hou, Xiaoyu Deng, Zhenyu Xu, Xujin Xia, Mingguo Xu, Zhen Wang, Changsuo Zhang, Zhumanov Kairat Toksanbaevich, Jinliang Sheng, Zhongchen Ma, Jihai Yi, Chuangfu Chen

  • June 9, 2026

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