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- Title:
- Modes of cell death in the hypopharyngeal gland of the honey bee (Apis mellifera L)
- Universidade Estadual Paulista (UNESP)
- Cardiff Univ
- 1065-6995
- Different modes of cell death have been revealed in the regressing hypopharyngeal glands of worker honey bees. The hypopharyngeal gland, which is well developed in young nursing bees to produce protein for larval food, was seen to regress naturally in foraging adult worker bees. A range of techniques including histology, cytochemistry, in situ TUNEL, Annexin V and Comet assays indicated that cells within the gland demonstrate progressive symptoms of apoptosis, necrosis and a vacuolar form of programmed cell death. The latter mode of cell death did not display chromatin margination, but was accompanied by an enhanced level of autophagic and hydrolytic activity in which a cytosolic source of acid phosphatase became manifest in the extra-cisternal spaces. Normal and annexin-positive cells were found to occur in the younger nursing bees, whilst necrosis and an aberrant vacuolar type of apoptosis predominated in the older foraging bees. The relevance of these results to the classification of programmed cell death is discussed. (C) 2000 Academic Press.
- 1-Jan-2000
- Cell Biology International. London: Academic Press Ltd, v. 24, n. 10, p. 737-743, 2000.
- 737-743
- Academic Press Ltd
- apoptosis
- vacuolar cell death
- necrosis
- honey bee hypopharyngeal gland regression
- http://dx.doi.org/10.1006/cbir.2000.0534
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/19535
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