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Freeze fracture study of Schistosoma mansoni membrane differentiation enabled us to describe the characteristic features of the tegumental membrane complex at various stages of development of this parasite. The observation of a membrane exuviation during the 10-20 day period of infection of the definitive host led us to search for possible hormonal control. The development of an appropriate radioimmunoassay has allowed the detection of significant production of ecdysteroids in a human platyhelminth. This hormonal material undergoes level variation during the development of post-cercarial stages of S. mansoni and its precise chemical characterization is presently being investigated.
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
January 1983,
The American journal of tropical medicine and hygiene,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
December 1992,
Tropical medicine and parasitology : official organ of Deutsche Tropenmedizinische Gesellschaft and of Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ),
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
January 1986,
Comparative biochemistry and physiology. A, Comparative physiology,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
December 1989,
Annals of tropical medicine and parasitology,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
February 2001,
The Journal of parasitology,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
January 1992,
Acta biologica Hungarica,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
December 2000,
Biochimica et biophysica acta,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
April 2024,
Heliyon,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
January 1976,
Transactions of the Royal Society of Tropical Medicine and Hygiene,
G Torpier, and
M Hirn, and
P Nirde, and
M De Reggi, and
A Capron
July 2000,
Molecular ecology,
