Objective(s):N-myc downstream regulated gene 2 (NDRG2) is a candidate gene for tumor suppression. The expression of NDRG2 is down-regulated in several tumors including lung cancer. The aim of this study was to explore the effect of NDRG2 overexpression on invasion, migration, and enzymatic activity of matrix metalloproteinase-2 (MMP-2) and -9 (MMP-9) in human lung adenocarcinoma A549 cells.  Ma...

While migration is a basic element of population dynamics in most societies, in Iran, rural-urban migration is a particular concern of both social scientists and policy makers. Rural-urban migration accounts for over half of the growth of most Iranian cities. On the other hand, this movement is often cited as having negative effects on rural area, including a shortage of supply of agricultural ...

the stolt (f-k) migration algorithm is a direct (i.e. non-recursive) fourier-domain technique based on a change of variables (or equivalently, a mapping) that converts the input spectrum to the output spectrum. the algorithm is simple and efficient but limited to constant velocity. a v(z)(f-k) migration method, capable of very high accuracy for vertical variations of velocity, can be formulated...

introduction emigration from villages to cities has been happening constantly and nowadays too, and shows the motion of rural societies. but, today the great number of emigrations and the villages getting evacuated from skilled and youth is a social- economical inexpressiveness in our country. considering the important role of human authorities in rural development, youth has an important place...

this report is on a migration of a steinman pin into the posterior com department of the calf. it was used to fix a greater trochanteric osteotomy in a total hip arthroplasty. the puzzling note is how this metal piece passed through the anterolateral compartment of the thigh to the posterior compartment of the calf. accord ing to our literature review, migration of fixation pins through the kne...

Forced migration has become a world-wide phenomenon in the past century, affecting increasing numbers of countries and people. It entails important challenges from a global health perspective. Leppold et al have critically discussed the Japanese interpretation of global responsibility for health in the context of forced migration. This commentary complements their analysis by outlining three pr...

Achillea eriophora D.C. (Asteraceae), an endemic species in Iran, is used extensively in Iranian folk medicine to treat various ailments, including gastrointestinal disorders, skin inflammations and wound healing. The present study was aimed to investigate the effects of the methanolic extract of  A. eriophora leaves on the stimulation of human fibroblast cell proliferation and migration as two ...

the purpose of this descriptive correlational study was to investigate the tendency level of youth in rural areas of kermanshah township to migration, and to determine the influencing factors. the statistical population for the study was constituted of the rural boys (15-28 years) of kermanshah township (n= 17544). a multistage sample of rural youth was selected (n=291). the findings indicated ...