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IGF-II/IGF-I receptor pathway up-regulates COX-2 mRNA expression and PGE2 synthesis in Caco-2 human colon carcinoma cells
TLDR
The present study demonstrates that COX-2 expression and PGE2 synthesis are up-regulated by an IGF-II/IGF-I receptor autocrine pathway in Caco-2 colon carcinoma cells, and suggests that induction of proliferation and tumor progression of colon cancer cells by the IGF- II/IGf-I receptors pathway may depend on the activation of COx-2-related events.
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Fine Structure of the Female Genital System in Phytoseiid Mites with Remarks on Egg Nutrimentary Development, Sperm-Access System, Sperm Transfer, and Capacitation (Acari, Gamasida, Phytoseiidae)
TLDR
The ultrastructure of the sperm-access system, composed of paired solenostomes, major and minor ducts, emboli, calyces, and vesicles, is reported and functional aspects are discussed.
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Morphological adaptations of mite chelicerae to different trophic activities (Acari)
The authors briefly review the current knowledge on the structural organization and functional significance of the chelicerae and their sensory structures among mites of economical interest in…
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Ununguitarsonemus rarus (Acari: Tarsonemidae), a new species of mite associated with bark beetle from Crimea, Ukraine
TLDR
A new mite species phoretic on Dryocoetes villosus (Fabr.) (Coleoptera: Scolytidae) from Crimea, Ukraine is described and illustrated and diagnosis of the genus Ununguitarsonemus is emended.
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A new species of Opilioacarus With, 1902 (Acari: Opilioacaridae) from Italy, and a new diagnosis of the genus.
TLDR
Using material deposited in Museo Civico di Storia Naturale of Verona, Italy, it was possible to identify and describe a new Opilioacarus species and review the genus diagnosis, using the shape of setae d and setation of the preanal segment.
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Aspirin protects Caco-2 cells from apoptosis after serum deprivation through the activation of a phosphatidylinositol 3-kinase/AKT/p21Cip/WAF1pathway.
TLDR
Aspirin-dependent inhibition of apoptosis and G2/M transition was prevented and a new intracellular target of aspirin with potential clinical impact for treatment schedules involving both anticancer agents and aspirin in malignancies is indicated.
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Propionic acid in bio-based packaging to prevent Sitophilus granarius (L.) (Coleoptera, Dryophthoridae) infestation in cereal products
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Fine Structure and Functional Morphology of the Spermatodactyl in Males of Heterozerconidae (Gamasida)
TLDR
Comparison of the ultrastructure and organization of the spermatodactyl in Heterozerconidae males with gonopods in other families among gamasid mites might help in better understanding their position in the group.
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First ultrastructural observations on a putative sperm access system in veigaiid females (Veigaiidae, Gamasida)
TLDR
Preliminary observations on the whole genital system of both female and male veigaiids also reveal a resemblance to the genital system in Parasitina, whether these findings may challenge the current status of parasitina and/or Dermanyssina will require further investigations.
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Fine structure of the phytoseiid-type sperm access system (Acari, Gamasida, Phytoseiidae)
TLDR
Females of Dermanyssina possess two types of sperm access systems: the laelapid and the phytoseiid type, which are hardly understood regarding structural and functional aspects.
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