Abstract:
:Locust lipoproteins (lipophorins) were localized by indirect immunofluorescence- and immunogold labelling in cryosections of dorsolongitudinal flight muscles. Immunolabelling was performed with monoclonal antibodies against apolipoproteins epitopes that are exposed at the surfaces of the lipophorin particles. Both at rest and during flight, lipophorins were located only in the wider spaces of the extracellular matrix, in the basement membranes of the individual muscle fibers and in the extracellular spaces that surround interfibrillar tracheoles. No internalization of lipophorins by the flight muscle cells was observed. Our results indicate that the unloading of lipophorins at the flight muscles is an extracellular event. Similarities with the vertebrate system of chylomicron and very-low-density lipoprotein degradation are discussed.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Van Antwerpen R,Linnemans WA,Van der Horst DJ,Beenakkers AMdoi
10.1007/BF00216654subject
Has Abstractpub_date
1988-06-01 00:00:00pages
661-8issue
3eissn
0302-766Xissn
1432-0878journal_volume
252pub_type
杂志文章abstract::Rats were injected with liposomes containing iodixanol (CTP10 Injection; 100 mg iodine per kg body weight) followed by a second injection of 125I-tyramine-cellobiose-albumin microspheres. The amounts of phagocytosed and degraded labelled albumin in liver were measured. A reduced uptake and degradation of albumin micro...
journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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