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N-homocysteine thiolactonyl retinamido cobalamin and methods of use thereof

Patent 4925931 Issued on May 15, 1990. Estimated Expiration Date: Icon_subject July 14, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Homocysteine thiolactone perchlorate as a tumor promotor
Patent #: 4255443
Issued on: 03/10/1981
Inventor: McCully

Derivatives of coenzyme B12
Patent #: 4364939
Issued on: 12/21/1982
Inventor: Autissier ,   et al.

Homocysteine thiolactone salts and use thereof as anti-neoplastic agents
Patent #: 4383994
Issued on: 05/17/1983
Inventor: McCully

Vitamin B12 and labelled derivatives for such assay
Patent #: 4465775
Issued on: 08/14/1984
Inventor: Houts

N-homocysteine thiolactonyl retinamide and use thereof as an antineoplastic agent Patent #: 4618685
Issued on: 10/21/1986
Inventor: McCully

Inventor

Application

No. 219499 filed on 07/14/1988

US Classes:

536/26.4, Cobalamin nucleotides (e.g., vitamin B-12, etc.)435/86, Cobalamin (i.e., vitamin B12, LLD factor)514/52, Phosphorus containing (e.g., Vitamin B12, etc.)536/26.41, Processes of preparing or labelling536/26.44, Cobalamin analogs (i.e., compounds wherein the benzimidazole ring system has been replaced by another organic ring structure, or compounds wherein cobalt has been removed or replaced by another metal, or is substituted by a group other than -OH or -CN)549/29The hetero ring is five-membered

Examiners

Primary: Brown, Johnnie R.
Assistant: Kunz, Gary L.

Attorney, Agent or Firm

International Classes

C07H 019/167
C07D 333/20
A61K 031/365
A61K 031/38

Abstract

N-Homocysteine thiolactonyl retinamido cobalamin is useful for decreasing the induction of chemically-induced tumors in animals. It is also useful for inhibiting weight gain.

Other References

  • F. G. Arsenyan et al., "Influence of Methylcobalamin on the Antineoplastic Activity of Methotrexate," Khimiko-Farmatsevticheskii Zhurnal, vol. 12, (1978), pp. 1299-1303 (translation)
  • P. Boerner et al., "Methionine-Sensitive Glycolysis in Transformed Cells," Proc. Natl. Acad. Sci. U.S.A., vol. 82, (1985), pp. 6750-5764
  • R. Gaggi et al., "The Role of Homocysteine in the Pathogenesis of Arteriosclerosis," proceedings of the First Congress of the Hungarian Pharmacological Society (Budapest), vol. 2, (1973), pp. 287-297
  • R. M. Hoffman, "Altered Methionine Metabolism, DNA Methylation and Oncogene Expression in Carcinogenesis," Biochimica et Biophysica Acta, vol. 738, (1984), pp. 49-87
  • J. C. Linnell et al., "Altered Cobalamin Distribution in Rat Hepatomas and in the Livers of Rats Treated with Diethylnitrosamine," Cancer Research, vol. 37, (1977), pp. 2975-2978
  • K. S. McCully et al., "Production of Arteriosclerosis by Homocysteinemia," Am. J. Pathology, vol. 61, (1970), pp. 1-11
  • K. S. McCully et al., "Homocysteine Theory of Arteriosclerosis," Atherosclerosis, vol. 22, (1975), pp. 215-227
  • K. S. McCully et al., "Homocysteine Thiolactone Metabolism in Malignant Cells," Cancer Research, vol. 36, (1976), pp. 3198-3202
  • K. S. McCully et al., "Homocysteine Compounds Which Influence the Growth of a Malignant Neoplasm," Chemotherapy, S. Karger, Basel, vol. 23, (1977), pp. 44-49
  • K. S. McCully et al., "Antineoplastic Activity of a Rhodium Trichloride Complex of Oxalyl Homocysteine Thiolactone," Cancer Investigation, vol. 5, (1987), pp. 25-30
  • K. S. McCully et al., "Chemopreventive and Antineoplastic Activity of N-Homocysteine Thiolactonyl Retinamide," Carcinogenesis, vol. 8, (1987), pp. 1559-1562
  • K. S. McCully et al., "Homocysteine Thiolactone, N-Homocysteine Thiolactonyl Retinamide, and Platelet Aggregation," Research Communications in Chemical Pathology and Pharmacology, vol. 56, (1987), pp. 349-360
  • K. S. McCully et al., "Homocysteine Thiolactone in Arteriosclerosis and Cancer," Research Communications in Chemical Pathology and Pharmacology, vol. 59, (1988), pp. 107-11
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