Testing of iron complexes.

Enzymatic responses of transplanted tumour cells towards estrogen, progesterone and testosterone.

“…The dependency of certain tumours on hormonal factors as well as the association of various types of cancer with abnormal endocrine environment has been observed by numerous workers (Noble, 1964;Sinha, 1966;Karande and Ranadive, 1966;Takakura et al, 1967;Pai and Ranadive, 1971). There are also several reports on the inhibitory effect and therapeutic application of steroid hormones on different types of cancer (Kelley and Baker, 1961 ;Segaloff, 1964;Dorfman, 1965).…”

Fate of Subcutaneously Injected Benzo(rst)pentaphene in C57BL/6 Mice

“…Benzo [ rst ] pentaphene (more commonly called 3, 4, 9, 10-dibenzpyrene [DBP]) is an aromatic plycyclic hydrocarbon with carcinogenic potency (1,2 ) . When injected subcutaneously, 1 pg is sufficient to cause tumor production, and 50 pg will produce 100% tumor incidence ( 3 ) .…”