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Establishment of a continuously growing cell line from primary carcinoma of the liver.
A continuously growing cell line has been established from autopsy material taken from a primary liver carcinoma, a cancer which has a high incidence in Southern Africa. The cell line was initiatedExpand
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Hepatitis B surface antigen produced by a human hepatoma cell line.
Serum complement levels were assayed in 26 patients with disseminated cancer, who received immunotherapy with infusion of C. parvum. Complement activation, indicated by the consumption of C3 or C4 orExpand
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The mechanical transmission of hepatitis B virus by the common bedbug (Cimex lectularius L.) in South Africa.
Tests for both hepatitis B surface antigen (HBsAg) and hepatitis e antigen (HBeAg) were carried out on wild-caught and laboratory-colonized bedbugs (Cimex lectularius L.), the latter after hepatitisExpand
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Serological markers of hepatitis B virus and certain other viruses in the population of eastern Caprivi, Namibia.
Serum samples from 475 male and 420 female subjects from the population of eastern Caprivi, the north-easternmost territory in northern Namibia, were examined for the presence of hepatitis B surfaceExpand
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Properties of a filamentous phage which adsorbs to pili coded by plasmids of the IncI complex.
A filamentous phage, PR64FS, which adsorbs to tips of I pili was isolated. PR64FS is shorter than the I pilus-adsorbing phage If1 and differs from it in plaque morphology. Phages PR64FS and Ifl areExpand
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An investigation of the occurrence of SV40 antibodies in South Africa.
We developed an enzyme-linked immunosorbent assay (ELISA) for the detection of antibodies to simian virus 40 (SV40) in human serum. We then used the ELISA to test for anti-SV40 antibodies in healthyExpand
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Genetic recombination in fused spheroplasts of Providence alcalifaciens.
Spheroplasts of Providence alcalifaciens strain P29 auxotrophs were prepared by combined treatment with glycine and lysozyme-EDTA. About 15% of spheroplasts had areas of cytoplasmic membrane exposedExpand
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Origins of HIV
SIR,-Over 150 cases of visceral leishmaniasis (VL) and HIV co-infection have been reported world wide, most of them in Spain. It is estimated that 50% of VL in adults is associated with HIV and thatExpand
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Genome analysis of BK (WW) viral DNA cloned directly from human urine.
DNA from a third isolate of the WW strain of BK virus was prepared from human urine and was cloned into the BamHI site of pBR322. Restriction mapping showed a number of changes relative to theExpand
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Susceptibility of chacma baboons (Papio ursinus orientalis) to infection by hepatitis B virus.
BACKGROUND Because baboons are being considered as a source of xenografts for human liver transplantation in patients with hepatitis B virus- (HBV) induced cirrhosis to forestall infection of theExpand
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