Abstract：
:Several in vitro cell systems were exposed to hematoporphyrin derivative (HPD): established lines of rat kangaroo epithelial kidney; normal mouse embryonic fibroblasts; and differentiated neonatal rat myocardial cells. The uptake of HPD (25 to 100 micrograms/ml) by individual cells occurred rapidly over a 2-hr period and leveled off by 24 hr. HPD was excreted from cells by 48 hr after exposure. However, a low level of HPD (above background) was maintained in cells for up to 4 days following cessation of exposure. Intracellular binding of HPD was to mitochondria as demonstrated by fluorescence microscopy. HPD was also shown to have a growth-inhibiting effect on rat kangaroo cells without added light. The growth effects on mouse cells were less marked.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Berns MW,Dahlman A,Johnson FM,Burns R,Sperling D,Guiltinan M,Siemens A,Walter R,Wright W,Hammer-Wilson M,Wile Asubject
Has Abstractpub_date
1982-06-01 00:00:00pages
2325-9issue
6eissn
0008-5472issn
1538-7445journal_volume
42pub_type
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