background: the best management for an ovarian mass is provided by appropriate prediction of malignancy. the aim of our study is to construct and validate a new malignancy probability score based on four simple sonographic findings and age. methods: in a cross sectional study; histopathological files of 3303 ovarian mass patients and tertiary hospitals, have reviewed within 6 years (2000-2006)....

Translocation of Sleeping Beauty (SB) transposon requires specific binding of SB transposase to inverted terminal repeats (ITRs) of about 230 bp at each end of the transposon, which is followed by a cut-and-paste transfer of the transposon into a target DNA sequence. The ITRs contain two imperfect direct repeats (DRs) of about 32 bp. The outer DRs are at the extreme ends of the transposon where...

We introduce a two-player game, in which each player extends a given sequence by picking a free element in a domain D ⊂ R. The aim of the players is to control the parity of the number of transpositions necessary to put the final sequence in order. We will see that the winner can be the last player, the second last player, the first player, the second player, the person who wants the parity to ...

Tooth transposition is a rare dental anomaly that often represents a challenge for the clinician. The case of a girl with skeletal Class III malocclusion and concomitant maxillary canine-first premolar bilateral transposition, followed from 7 to 17 years of age, is presented. After a first phase of treatment aimed at resolving the Class III malocclusion, the transposition was maintained and the...

Juxtaposition of the atrial appendages is an uncommon anomaly which is usually associated with transposition of the great arteries. Experience with five patients with transposition of the great arteries in combination with juxtaposition of the atrial appendages in whom Mustard's operation was performed is reviewed. Technically, the existence of juxtaposition of the atrial appendages in correcti...

Traditional Genetic Algorithms (GA) use crossover and mutation as the main genetic operators to achieve population diversity. Previous work using a biologically inspired genetic operator called transposition, allowed the GA to reach better solutions by replacing the traditional crossover operators. In this paper we extend that work to the case of asexual reproduction. The GA efficiency was comp...

Mariner family transposable elements are widespread in animals, but their regulation is poorly understood, partly because only two are known to be functional. These are particular copies of the Dmmar1 element from Drosophila mauritiana, for example, Mos1, and the consensus sequence of the Himar1 element from the horn fly, Haematobia irritans. An in vitro transposition system was refined to inve...

The evolutionary role of transposable elements (TEs) is still highly controversial. Two key parameters, the transposition rate (u and w, for replicative and non-replicative transposition) and the excision rate (e) are fundamental to understanding their evolution and maintenance in populations. We have estimated u, w and e for six families of TEs (including eight members: IS1, IS2, IS3, IS4, IS5...

Transposable elements are major components of most eukaryotic genomes. Such sequences are generally defective for transposition and have little or no coding capacity. Because transposition can be highly mutagenic, mobile elements that remain functional are tightly repressed in all living species. Drosophila pericentromeric heterochromatin naturally contains transposition-defective, non-coding d...

This study investigated, the effects of pretransposition verbalizations upon subsequent transposition behavior and. posttransposition verbalizations of first-grade chil­ dren. The investigator found, that children who correctly verbalized, relational aspects of the stimuli following a transposition task had more relational responses to the transposition task than children who did not correctly ...