GB723708A - Process for the preparation of an inoculation material for use against sleeping sickness - Google Patents

Process for the preparation of an inoculation material for use against sleeping sickness

Info

Publication number
GB723708A
GB723708A GB23494/52A GB2349452A GB723708A GB 723708 A GB723708 A GB 723708A GB 23494/52 A GB23494/52 A GB 23494/52A GB 2349452 A GB2349452 A GB 2349452A GB 723708 A GB723708 A GB 723708A
Authority
GB
United Kingdom
Prior art keywords
trypanosomes
rats
trypanosome
infected
sleeping sickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB23494/52A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda GmbH
Original Assignee
Byk Gulden Lomberg Chemische Fabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Byk Gulden Lomberg Chemische Fabrik GmbH filed Critical Byk Gulden Lomberg Chemische Fabrik GmbH
Publication of GB723708A publication Critical patent/GB723708A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/002Protozoa antigens
    • A61K39/005Trypanosoma antigens
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Landscapes

  • Health & Medical Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

An inoculation material against animal and human trypanosomiasis (sleeping sickness) is prepared in manner known per se using trypanosomes which in their form resemble or are identical with the trypanosomes occurring in infected glossina (tsetse flies) said trypanosomes being killed before or during the preparation of the inoculation material. Such trypanosomes may be obtained from species such as Trypanosoma gambiense, Trypanosoma brucei, Trypanosoma rhodesiense or Trypanosoma equiperdum by (a) immunising rats with the water-insoluble constituents of trypanosomes killed by cold e.g. -80 DEG C. (CO2 and acetone) and suspended in aqueous saline solution, and then, for example after 4 to 10 days, infecting the rats with living trypanosomes; (b) infecting rats with trypanosomes and treating them with chemotherapeutic agents known to be effective against sleeping sickness e.g. germanin (sodium salt of m-aminobenzoyl m-amino-p-methyl benzoyl-1-naphthylamino 4, 6, 8-trisulphonic acid) and tryparsamide preferably with simultaneous injection of glycocoll; (c) selection of the odd spontaneously produced form occuring sometimes when rats are infected with trypanosomes; and (d) infecting rats with trypanosomes which have gone through may recidivations e.g. a rat infected with a trypanosome is treated with a sleeping sickness drug and their serum isolated after 6 days. A mouse infected with the same species of trypanosome is treated with the prepared blood serum. After 6 to 9 days a recidivated form of the trypanosome appears. This form is transferred to a rat and the process is repeated until the tsetse fly trypanosome form occurs spontaneously. An inoculum material is obtained by e.g. taking the blood of rats infected with the desired form of trypanosome, mixing with a citrate solution and centrifuging out the trypanosomes, which are recentrifuged and suspended in physiological saline solution to which 0.5 per cent. formaldehyde has been added. Specification 429,449 is referred to.
GB23494/52A 1951-09-21 1952-09-18 Process for the preparation of an inoculation material for use against sleeping sickness Expired GB723708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE723708X 1951-09-21

Publications (1)

Publication Number Publication Date
GB723708A true GB723708A (en) 1955-02-09

Family

ID=6633197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23494/52A Expired GB723708A (en) 1951-09-21 1952-09-18 Process for the preparation of an inoculation material for use against sleeping sickness

Country Status (1)

Country Link
GB (1) GB723708A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298596A (en) * 1979-03-29 1981-11-03 Burroughs Wellcome Co. Trypanosoma cruzi glycoprotein vaccine for inducing immunity to Chagas' disease

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298596A (en) * 1979-03-29 1981-11-03 Burroughs Wellcome Co. Trypanosoma cruzi glycoprotein vaccine for inducing immunity to Chagas' disease

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