Results 71 to 80 of about 1,732,571 (284)

Novel phase transition in two-dimensional xy-models with long-range interaction

Condensed Matter Physics, 2005
The purpose of this article is to give an overview of results concerning ordering and critical properties of two-dimensional ferromagnets including the dipolar interaction.
P.G.Maier, F.Schwabl
doaj   +1 more source

Entanglement renormalization and boundary critical phenomena

, 2009
The multiscale entanglement renormalization ansatz is applied to the study of boundary critical phenomena. We compute averages of local operators as a function of the distance from the boundary and the surface contribution to the ground state energy ...
Affleck I, Barthel T Pineda C Eisert J, Binder K, Burgarth D, Calabrese P, Calabrese P, Cirac J I, Corboz P Evenbly G Verstraete F Vidal G, Diehl H W, Evenbly G Corboz P Vidal G, Evenbly G Pfeifer R N C Pico V Iblisdir S Tagliacozzo L McCulloch I P Vidal G, G E Santoro, Horn R A, Kraus C V Schuch N Verstraete F Cirac J I, P Calabrese, P Silvi, R Fazio, Saleur H, V Giovannetti, Verstraete F Cirac J I, Vidal G, Werner W   +21 more
core   +1 more source

COMP–PMEPA1 axis promotes epithelial‐to‐mesenchymal transition in breast cancer cells

Molecular Oncology, EarlyView.
This study reveals that cartilage oligomeric matrix protein (COMP) promotes epithelial‐to‐mesenchymal transition (EMT) in breast cancer. We identify PMEPA1 (protein TMEPAI) as a novel COMP‐binding partner that mediates EMT via binding to the TSP domains of COMP, establishing the COMP–PMEPA1 axis as a key EMT driver in breast cancer.
Konstantinos S. Papadakos, Gilar Gorji‐bahri, Lejla Gradjan, Julia Zajac, Kacper Gil, Yvonne Thokozile Nduku, Anna M. Blom   +6 more
wiley   +1 more source

Ricci flows, wormholes and critical phenomena

, 2008
We study the evolution of wormhole geometries under Ricci flow using numerical methods. Depending on values of initial data parameters, wormhole throats either pinch off or evolve to a monotonically growing state.
Dai X Ma L, DeTurck D, Garfinkle D Isenberg J, Garfinkle D Isenberg J, Gegenberg J, Hamilton R S, Hedrick M, Oliynyk T, Perelman G, Perelman G, Samuel J, Sanjeev S Seahra, Viqar Husain   +12 more
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

Molecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla, Christopher Dirks, Caroline Eiden, Sonja K. Fesenmayer, Femke M. Hormann, Yolande Klootsema, Ingrid Lilienthal, Si Min Zhang, Nikolas Herold, Sean G. Rudd   +9 more
wiley   +1 more source

Conduction Mechanism Switching from Coulomb Blockade to Classical Critical Percolation Behavior in Disordered Nanoparticle Array

Advanced Electronic Materials
Large, open‐gate transistors made from metal nanoparticle arrays offer possibilities to build new electronic devices, such as sensors. A nanoparticle necklace network (N3) of Au particles from 300 K to cryogenic temperatures exhibit a nonohmic I–Vd ...
Abhijeet Prasad, Jay Min Lim, Ravi F Saraf   +2 more
doaj   +1 more source

Critical and resonance phenomena in neural networks

, 2012
Brain rhythms contribute to every aspect of brain function. Here, we study critical and resonance phenomena that precede the emergence of brain rhythms.
Goltsev, A. V., Lee, K. -E., Lopes, M. A., Mendes, J. F. F.   +3 more
core   +1 more source

CD47 promotes mitogen‐activated protein kinase and epithelial‐to‐mesenchymal transition molecular programs to drive prometastatic phenotypes in non‐small cell lung cancer

Molecular Oncology, EarlyView.
Beyond its role in immune evasion, this study identified that CD47 drives tumor‐intrinsic signaling in non‐small cell lung cancer (NSCLC). Transcriptomic profiling and functional studies revealed that CD47 regulates cell adhesion, migration, and metastasis through an ERK–EMT signaling axis.
Asa P.Y. Lau, Lilian G. Zhai, Ryunosuke Hoshi, Zackary Rousseau, Abraam Zakhary, Yin Fang Wu, Rola M. Saleeb, Heyu Ni, Kelsie L. Thu   +8 more
wiley   +1 more source

Metastasis on pause: How dormant tumor cells stay hidden within the tumor microenvironment and evade immune surveillance

Molecular Oncology, EarlyView.
Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary, Jose Javier Bravo‐Cordero   +1 more
wiley   +1 more source

Local vs. Long-Range Infection in Unidimensional Epidemics

Frontiers in Physics, 2019
We study the effects of local and distance interactions in the unidimensional contact process (CP). In the model, each site of a lattice is occupied by an individual, which can be healthy or infected.
Priscila R. Silveira, Marcelo M. de Oliveira, Sidiney G. Alves   +2 more
doaj   +1 more source