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Discovery of Metastatic Regulators using a Rapid and Quantitative Intravital Chick Chorioallantoic Membrane Model
Published on: February 3, 2021
EXPERIMENTAL VIBRIO INFECTIONS OF DEVELOPING CHICK EMBRYOS
1United States Navy Research Unit at the Hospital of The Rockefeller Institute for Medical Research.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Developing chick embryos are susceptible to Vibrio cholerae infection. Immune serum offers passive protection, significantly boosted by guinea pig complement, highlighting dual-action antigens in V. cholerae.
Area of Science:
- Microbiology
- Immunology
- Embryology
Background:
- Developing chick embryos are susceptible to Vibrio cholerae (V. cholerae) infection.
- Susceptibility decreases with embryo age.
- Minimal V. cholerae doses rapidly cause death.
Purpose of the Study:
- To investigate the susceptibility of developing chick embryos to V. cholerae.
- To evaluate the efficacy of passive immunization against V. cholerae infection.
- To characterize the antigens responsible for protective immune responses.
Main Methods:
- Inoculation of developing chick embryos with V. cholerae strains.
- Administration of inactivated specific immune serum and guinea pig complement.
- Analysis of embryo survival rates and antibody responses.
Main Results:
- Embryos are highly susceptible to various V. cholerae groups and types.
- Passive protection with immune serum is enhanced by complement.
- V. cholerae group I antigens induce both group-wide and type-specific antibodies.
Conclusions:
- Developing chick embryos serve as a model for V. cholerae infection studies.
- Complement significantly potentiates passive immunity against V. cholerae.
- Dual-acting antigens in V. cholerae are crucial for developing effective vaccines.
Keywords:
BACTERIA/vibrio
