Results 141 to 150 of about 5,089,023 (378)

Should I stay or should I go? Migration under uncertainty: a real options approach [PDF]

open access: yes, 2002
This paper considers migration as an investment decision. It develops a continuoustime stochastic model to explain the optimal timing of migration, in the presence of ongoing uncertainty over wage differentials. The results show that individuals prefer
Khwaja, Y
core  

Therapeutic strategies for MMAE‐resistant bladder cancer through DPP4 inhibition

open access: yesMolecular Oncology, EarlyView.
We established monomethyl auristatin E (MMAE)‐resistant bladder cancer (BC) cell lines by exposure to progressively increasing concentrations of MMAE in vitro. RNA sequencing showed DPP4 expression was increased in MMAE‐resistant BC cells. Both si‐DPP4 and the DPP4 inhibitor sitagliptin suppressed the viability of MMAE‐resistant BC cells.
Gang Li   +10 more
wiley   +1 more source

Inequality and schooling responses to globalization forces: lessons from history [PDF]

open access: yes
Given the intensity of the current debate about the impact of globalization on brain drain in the Third World and inequality in the First World, it might be useful to look at these forces during the first global century, ending in 1914.
Jeffrey G. Williamson
core  

Dammarenediol II enhances etoposide‐induced apoptosis by targeting O‐GlcNAc transferase and Akt/GSK3β/mTOR signaling in liver cancer

open access: yesMolecular Oncology, EarlyView.
Etoposide induces DNA damage, activating p53‐dependent apoptosis via caspase‐3/7, which cleaves PARP1. Dammarenediol II enhances this apoptotic pathway by suppressing O‐GlcNAc transferase activity, further decreasing O‐GlcNAcylation. The reduction in O‐GlcNAc levels boosts p53‐driven apoptosis and influences the Akt/GSK3β/mTOR signaling pathway ...
Jaehoon Lee   +8 more
wiley   +1 more source

Political implications of U.S. public attitudes toward immigration on the immigration policymaking process [PDF]

open access: yes
Three developments in U.S. public attitudes have emerged since the 2001 terrorist attacks. First, Americans have shifted their thinking about the salience or importance of immigration issues.
Valerie F. Hunt
core  

The UK "Immigration Cap" : implications for Scotland [PDF]

open access: yes, 2011
The main purpose of this paper is to consider how the Conservative Liberal-Democrats Coalition’s so-called "immigration cap" will impact on Scotland.
Coldwell, David   +2 more
core  

Orbital Migration Models under Test

open access: yes, 2010
Planet-disk interaction predicts a change in the orbital elements of an embedded planet. Through linear and fully hydrodynamical studies it has been found that migration is typically directed inwards.
Kley, Willy
core   +1 more source

Cell Migration: Integrating Signals from Front to Back

open access: yesScience, 2003
A. Ridley   +7 more
semanticscholar   +1 more source

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