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Endocrine Disruptor Research Initiative
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EDRI Federal Project Inventory:
Corticotropin-releasing Factor and Infant Behavior



  1. Sponsor Organization: NATIONAL SCIENCE FOUNDATION

  2. Project Title: CORTICOTROPIN-RELEASING FACTOR AND INFANT BEHAVIOR

  3. Project Focus: HUMAN HEALTH EFFECTS

  4. Description: Infants that are involuntarily separated from their mothers may suffer severephysiological and behavioral consequences. Most of what we know concerning thephysiological effects has derived from studies using nonhuman primates. These effectsinclude increases in sympathetic activity, changes in neurotransmitter levels, andincreased activity of the pituitary- adrenal system, a neuroendocrine system associatedwith stress. For many years, it was only possible to study such questions in primatessince common laboratory rodents have been thought to respond to separation in afundamentally different way than to primates, and possibly humans. In his previousNSF support, Dr. Hennessy demonstrated that the responses of young guinea pigs tomaternal separation are in many ways similar to those of primates. The guinea pigmodel provides an alternative to primate research which, in turn, offers many practicaladvantages. Dr. Hennessy would continue his research to further our understanding ofhow brief periods of maternal separations alter neuroendocrine and behavioralfunction. He will examine the role of corticotropin-releasing factor (CRF) since thishypothalamic neurohormone is of primary importance in the body's diversephysiological and behavioral responses in threatening situations. Dr. Hennessy willinvestigate the role of centrally and peripherally administered corticotropin-releasingfactor and its antagonists in mediating stress-induced behavioral changes. Thesebasic studies will contribute to our understanding of the consequences of mother-infantseparation and processes of attachment and elucidate the nature of the stressresponse in young.

  5. References:

  6. Category: MODELS

  7. Subcategory: BASIC RESEARCH

  8. Keywords for Experimental System/Species: RODENT, MAMMAL, IN VIVO, LABORATORY STUDY

  9. Keywords for Experimental Endpoints: NEUROLOGICAL, REPRODUCTIVE, HORMONE MEASURES, SEX STEROIDS, PEPTIDE HORMONES,PHYSIOLOGY, BREEDING BEHAVIOR, STRESS RESPONSE

  10. Chemical Agents: Peptide Hormones, Sex Steroids

  11. Performing Institution: Wright State University

  12. Contact: Michael B Hennessy, Colonel Glenn Highway, Dayton, OH 45435 513873-2425


 

 
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