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Bilbo, Staci, 2014, Early Life Immune Challenge, Primed Microglia and Neurodevelopmental Disorders. 
​Presentation to Autism Society, Canada
.
​
Staci Bilbo summarizes her Harvard University (formerly Duke University) lab's work since 2005 on the impact of early life (perinatal) immune challenge on microglia form and function both in the immediate perinatal context and also over the life of the animal

An ill-timed perinatal immune challenge which occurs at a time early in life when microglia have yet to adopt the mature form and function will  leave microglia in a permanently juvenile state.  Unlike normal adult microglia with small cell bodies, and long, thin, motile arm-like processes, these stunted microglia retain throughout life an amoeboid, macrophage-like form and transcriptional profile -- such that they are "primed" for life to over-react to a subsequent (second hit) immune challenge -- an overreaction leading to poor behavioral outcomes including cognitive/memory impairment, social deficits, perseverative behaviors impacting new learning ability, indicators of anxiety and depression, all of which are associated with neuro-developmental and neural network disorders such as autism and schizophrenia.

Further, her work shows that  pharmacological modulation of microglia during initial perinatal immune challenge fully protects the animal from microglia priming, preventing vulnerability to consequences of a second hit, and negative neurodevelopmental consequences.

She also shows that prophylactic pharmacological modulation of microglia at time of second hit is also protective, even if microglia were primed perinatally.

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  • Home
  • About
  • One Brain, Two Computers
    • Summary of Lessons Learned Since 2005 Rediscovery of Microglia
    • The Active Role of Microglia in Healthy Brain
  • Projects
    • BLS 101 - Project Contents >
      • Project Introduction
      • Video and Documentary Resources >
        • Video Resources - Microglia as a Therapeutic Target
        • Documents - Microglia in Health and Disease
        • Documents - Microglia Role in Neuro-developmental Disease & Disorder
        • Documents - Microglia Role in Neuro-degenerative Disease
        • Documents - Microglia Role in Neuropathic Pain Disorders & Opioid Side Effects
        • Documents - ETX Studies
      • Background: The Rationale for a Microglia Modulator >
        • Background Pt 1: Summary of Lessons Learned Since 2005 Rediscovery of Microglia
        • Background Pt 2: The Active Role of Microglia in Healthy Brain
        • Background Pt 3: Causal Role for Microglia in Neuro-degenerative Disease
        • Background Pt 4: Causal Role for Microglia in Neuro-developmental Disease
        • Bilbo Video Clip - An Unmet Need for Microglial Modulators
      • ETX - Select Data >
        • ETX Data: ETX vs Benzo (Lorazepam) - Clinical Data
        • ETX Data: ETX vs Benzo (Alprazolam) - Clinical Data
        • ETX Data: Microglial Modulation - CFA Monoarthritis Model
        • ETX Data: Microglial Modulation - EAE MS Model
        • ETX Data: Microglial Modulation-Intracerebral Hemorrhage Model
        • ETX Data: Inhibtion of Microglial Activation via TLR4 Ligands
        • ETX Data: Microglial Modulation-CCI Model of Traumatic Brain Injury
        • ETX Data: Microglial Modulation-Sciatic Cryolesion Model
      • ETX - Select Data - Neuropathic Pain >
        • ETX Data: CFA Induced Model of Neuropathic Pain
        • ETX Data: ETX Prevents & Cures Chemo-Induced Neuropathic Pain - 3 Models
        • ETX Data: Cuffed Nerve Model of Neuropathic Pain
      • Market and Competition >
        • Market: Anti-Anxiety Medications
        • Competition: Microglial Modulator Dev Programs
    • BLS 102 - Project Navigation