LPS-Induced Depression-Like Behaviors in Mice and Fluoxetine (FLU) Intervention
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LPS-Induced Depression-Like Behaviors in Mice and Fluoxetine (FLU) Intervention

The LPS-induced depression model could activate the natural immune system, promote the release of various inflammatory factors, and finally produce depressive-like behaviors such as reduced locomotor activity and lack of pleasure.

Groundbreaking Study Reveals: Novel Evidence on Inflammatory

Depression Mechanisms and Pharmacological Interventions

Download the Full Experimental Protocol to Obtain Key Research Data for Antidepressant Drug Development

Development of High-Relevance Model

  • Intraperitoneal injection of LPS (0.5 mg/kg) induced depression-like behaviors in mice.
  • Activation of the innate immune system accurately recapitulated human pathology of inflammation-associated depression.
  • Significant induction of classic behavioral alterations, including decreased locomotor activity and anhedonia, was observed.

Validation of Fluoxetine Efficacy

  • Treatment with FLU (10 mg/kg) significantly ameliorated LPS-induced behavioral deficits.
  • Efficacy is confirmed through dual behavioral paradigms: the Forced Swim Test (FST) and Open Field Test (OFT).

Standardized Experimental System

  • Male C57BL/6J mice (6-8 weeks old) are maintained under strict inbred strain control.
  • A standardized protocol is implemented: from modeling → drug administration → behavioral phenotyping.
  • Three experimental groups are designed: naïve control / LPS model / LPS+FLU treatment.

Download the Full Report Now

  • Learn about peer-reviewed approaches to building depression models.
  • Get key metrics for preclinical evaluation of antidepressant drugs.
  • Accelerate your new drug development process.
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