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Biomedical subjects

B Taylor

Publications and source records attributed to B Taylor.

At least 343 records · Page 19Linked to original sources

A method for measurement of fibrin monomer with the use of an immune precipitate of fibrinogen.

A semiquantitative test for measuring fibrin monomer in human plasma is described. The test is based upon the ability of fibrin monomer to form a complex with an immune precipitate of fibrinogen. The test is not sensitive to the plasmin digestion products of fibrinogen and relatively insensitive to plasmin digestion products of fibrin. The test is easily performed on small quantities of plasma in approximately 2 hours.

Adolescent↗

Predisposing factors and the development of reaginic allergy in infancy.

In a prospective study of fifty-eight newborn infants of parents with reaginic allergy, twenty-seven developed eczema and twenty-eight positive prick tests to one or more of six antigens during the first year of life. These reaginic manifestations were related to presymptomatic transient IgA deficiency. The development of positive skin tests was also related to HLA A1 B8, and to season of birth. The order of frequency of positivity was Dermatophagoides, grass pollens, cat fur, feathers and cow's milk. The skin tests were often positive in infants in whom serum IgE was not detected. The eczema disappeared and the skin tests became negative in some infants at the end of the first year. This work suggests that sensitization in the new-born period is important in the subsequent development of disease.

Antibodies↗

L-Asparagine synthetase in serum as a marker for neoplasia.

L-Asparagine synthetase appears in serum approximately 7 days after the s.c. implantation of 1 X 10(5) cells of Leukemia 5178Y/AR (resistant to L-asparaginase) and increases in activity as the neoplasm grows and metastasizes. The principal source of the enzyme is the primary tumor. After intravranial inoculation of tumor, the rate of leakage of the enzyme is more pronounced than when the subcutaneous, intramuscular, or intraperitoneal routes are used. 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea (NSC 79037), a nitro-sourea effective in the palliation of L5178Y/AR, temporarily halts the influx of enzyme into the blood stream, as does surgical excision of the s.c. tumor nodules. Treatment of mice with L-asparaginase within 24 hr of inoculation of the tumor markedly augments both tumor growth and the rate of penetration of L-asparagine synthetase into the circulation. Several other L-asparagine synthetase into the circulation. Several other L-asparaginase-resistant tumors also were found to spill L-asparagine synthetase into the serum, but the correlation between this phenomenon and the specific activity of the enzyme in homogenates of the tumor was imperfect.

Animals↗