Publication Date:
1991-05-31
Description:
Many candidate antigens of malaria vaccines have limited immunological recognition. One exception is Pfs25, a cysteine-rich, 25-kilodalton sexual stage surface protein of Plasmodium falciparum. Pfs25 is a target of monoclonal antibodies that block transmission of malaria from vertebrate host to mosquito vector. The surface of mammalian cells infected with a recombinant vaccinia virus that expressed Pfs25 specifically bound transmission-blocking monoclonal antibodies. Furthermore, major histocompatibility complex-disparate congenic mouse strains immunized with recombinant Pfs25 elicited transmission-blocking antibodies, demonstrating that the capacity to develop transmission-blocking antibodies is not genetically restricted in mice. Live recombinant viruses may provide an inexpensive, easily administered alternative to subunit vaccines prepared from purified recombinant proteins to block transmission of malaria in developing countries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaslow, D C -- Isaacs, S N -- Quakyi, I A -- Gwadz, R W -- Moss, B -- Keister, D B -- New York, N.Y. -- Science. 1991 May 31;252(5010):1310-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Malaria Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925544" target="_blank"〉PubMed〈/a〉
Keywords:
Animals
;
Antibodies, Monoclonal/analysis/immunology
;
Antibodies, Protozoan/*immunology
;
Antigens, Protozoan
;
Immunization
;
Malaria, Falciparum/*prevention & control
;
Mice
;
Plasmodium falciparum/*immunology
;
Protozoan Proteins/genetics/*immunology
;
Recombinant Proteins/immunology
;
Transfection
;
Vaccinia virus/genetics/*immunology
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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