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Immunological comparison of 124 isolates of Toxoplasma gondii
We tested 124 isolates of Toxoplasma gondii , as determined morphologically and by their ability to elicit antibodies in the dye test with the RH...
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My Zoo, My Garden
Descriptions of The Wistar Institute when Hilary Koprowski and his team arrived there in 1957 make it sound like a perfect setting for a horror film....
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MHC and Disease Associations in Nonhuman Primates
Diseases can be seen as a reflection of the interaction between the genome and the prevailing environment and therefore provide an approach to the...
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Retroviruses and Oncogenes
The discovery that cancer could be induced in chickens by filtered subcellular or acellular tumor extracts launched the beginning of viral oncology...
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The development of corticospinal projections to tail and hindlimb motoneurons studied in infant macaques using magnetic brain stimulation
The EMG responses evoked in tail, leg and foot muscles by magnetic stimulation (MS) of the brain were investigated in two male macaque monkeys under...
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Platelet-Derived Growth Factor
Platelet-derived growth factor (PDGF) is a ubiquitous mitogen that was originally discovered because it was the principal source of growth factor...
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Platelet-Derived Growth Factor
Platelet-derived growth factor (PDGF) is a ubiquitous mitogen that was originally discovered because it was the principal source of growth factor...
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The postsynaptic targets of substance P-immunoreactive terminals in the rat neostriatum with particular reference to identified spiny striatonigral neurons
Substance P-immunoreactive boutons were examined in the electron microscope in sections of the rat neostriatum that contained retrogradely labelled...
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In vitro polymorphism and phase transitions of the neurofilamentous network isolated from the giant axon of the squid (Loligo pealei L.)
Using electron microscopy (EM), optical diffraction and image reconstruction techniques, we have demonstrated polymorphism of neurofilamentous...
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Human Brain Evolution: II. Embryology and Brain Allometry
The unusually large size of the human brain with respect to the human body as compared to other mammals is a dominating fact in the study of human...
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Epidemiology of Coccidioidomycosis
Coccidioidomycosis (San Joaquin Fever or Valley Fever) is an infection caused by the soil-inhabiting fungus Coccidioides immitis. The infection is...
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The primate nucleus basalis of Meynert: neuronal activity related to a visuomotor tracking task
The activity of neurons in the nucleus basalis of Meynert (nbM), both the compact (nbMc) and interstitial (nbMi) components, has been examined in...
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Expression of Cellular Oncogenes
Acutely oncogenic retroviruses induce a broad spectrum of malignant tumors (for review see Graf and Beug 1978; Teich et al. 1982). They all contain...
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Localization of lectin receptors on bovine epididymal spermatozoa using a colloidal gold technique
Mammalian spermatozoa that leave the testis are neither motile nor fertile. Maturation of spermatozoa occurs during epididymal transport. Among the...
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Humoral Immunity to Viruses
Viruses are the causative agents of a number of acute and chronic infectious diseases and are undoubtedly involved in the pathogenesis of certain...
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Genetics of RNA Tumor Viruses
The genetic analysis of RNA tumor viruses has two main objectives: (1) to provide an understanding of virus replication and (2) to explain...
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Ultrastructural changes in spermatozoa of the brush-tailed possum, Trichosurus vulpecula (Marsupialia), during epididymal transit
The acrosome in spermatozoa from the caput epididymidis of the Australian Brush-tailed possum, Trichosurus vulpecula , typically forms a cup-like...