Mohammadi Kaouass

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The mechanism of transmembrane polyamine internalization in mammalian cells remains unknown. A novel fluorescent spermidine conjugate [Spd-C(2)-BODIPY; N-(4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene-3-propionyl)-N'-(S -[spermidine-(N(4)-ethyl)]thioacetyl)ethylenediamine] was synthesized from N(4)-(mercaptoethyl)spermidine by a simple, one-step(More)
Protein/peptide-mediated gene delivery has recently emerged as a powerful approach in non-viral gene transfer. In previous studies, we and other groups found that histones efficiently mediate gene transfer (histonefection). Histonefection has been demonstrated to be effective with various members of the histone family. The DNA binding domains and natural(More)
In the present investigation, we analyzed the mechanism involved in spermine-induced intestinal maturation in suckling rats. Spermine was given orally to suckling pups and biochemical as well as morphological parameters were studied at different times after the beginning of the treatment. Eight hours after administration, spermine produced cell elimination(More)
Prolonged skeletal unloading through bedrest results in bone loss similar to that observed in elderly osteoporotic patients, but with an accelerated timeframe. This rapid effect on weight-bearing bones is also observed in astronauts who can lose up to 2% of their bone mass per month spent in Space. Despite the important implications for Spaceflight(More)
The Ahi-1 locus was initially identified as a common helper provirus integration site in Abelson pre-B-cell lymphomas and shown to be closely linked to the c-myb proto-oncogene. Since no significant alteration of c-myb expression was found in Abelson murine leukemia virus-induced pre-B-lymphomas harboring a provirus inserted within the Ahi-1 locus, this(More)
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