Results 221 to 230 of about 577,114 (263)

Biomechanics of invasive growth by Armillaria rhizomorphs

Fungal Genetics and Biology, 2009
Rhizomorphs of wood-decay basidiomycetes are root-like structures produced by the coordinated growth of thousands of hyphae. Very little is known about their development nor the way that they penetrate soils and rotting wood. In this study, we applied techniques used in previous studies on hyphae to explore the mechanics of the invasive growth process ...
Levi, Yafetto, Diana J, Davis, Nicholas P, Money   +2 more
openaire   +2 more sources

Brain Tumor Epidemiology, Growth, and Invasion

Neurosurgery Clinics of North America, 1990
This article focuses on the most common primary intracranial neoplasms and the biologic descriptions of their growth and invasion. The proliferative aspects of the different primary brain tumors are discussed, along with recently discovered genetic changes.
M E, Berens, J T, Rutka, M L, Rosenblum
openaire   +2 more sources

Invasiveness and intracellular growth of Listeria monocytogenes

Infection, 1988
Listeria monocytogenes is an invasive bacterial pathogen capable of multiplying inside many host cells, including macrophages, enterocytes and hepatocytes. There is evidence to believe that secretion of listeriolysin O, an SH-activated exotoxin, is crucial for bacterial growth in host tissues.
P, Berche, J L, Gaillard, S, Richard
openaire   +2 more sources

Percolation and invasion percolation as fractal growth problems

Physical Review A, 1990
We apply the fixed-scale transformation method, developed for Laplacian fractal growth, to compute the fractal dimension of standard percolating clusters and of clusters generated by invasion percolation with and without trapping. In all cases we obtain values within 1% from the exact or numerical results.
L. PIETRONERO, W. R. SCHNEIDER, STELLA, ATTILIO   +2 more
openaire   +2 more sources

Hepatocyte growth factor in invasive growth of carcinomas

Cellular and Molecular Life Sciences, 2007
Hepatocyte growth factor is a multifunctional cytokine of the tumor microenvironment. An important advance in the knowledge of cancer progression has been the appreciation that the tumor invasive phenotype is strongly influenced by microenvironmental stimuli.
openaire   +3 more sources

Tumor Growth and Invasion

2017
In this chapter, we introduce LGCA models of tumor growth and invasion . All these models are related to in vitro experiments with cancer cell lines. Besides the suggestion of cellular automaton models for particular aspects of cancer complexity the intention of this chapter is to show how combinations of interaction modules introduced in the previous ...
Andreas Deutsch, Sabine Dormann
openaire   +1 more source

Transforming Growth Factors in the Regulation of Malignant Cell Growth and Invasion

Cancer Investigation, 1988
AbstractINTRODUCTION The interactions between cells and their extracellular matrices are controlled by various intracellular and exogenous signals. The control of these interactions by polypeptide growth factors appears to involve different levels of regulation.
J, Keski-Oja, A E, Postlethwaite, H L, Moses   +2 more
openaire   +2 more sources

Inhibitory effects of CAI in glioblastoma growth and invasion

Journal of Neuro-Oncology, 1997
While distant metastases are rare in patients with primary brain malignancies, local growth and invasion are common and life-threatening. Regional infiltration is responsible for the failure of local therapies, resulting in tumor recurrence, progression, and death. The process of invasion requires cellular adhesion, local proteolysis and migration. CAI,
W, Jacobs, T, Mikkelsen, R, Smith, K, Nelson, M L, Rosenblum, E C, Kohn   +5 more
openaire   +2 more sources

Invasive thymoma with intracaval growth into the right atrium

The Annals of Thoracic Surgery, 1992
We report an unusual case of invasive thymoma with intracaval growth into the right atrium. Computed tomography and venacavography demonstrated this manner of extension of thymoma. The tumor was completely removed by means of cardiopulmonary bypass after four courses of chemotherapy.
K, Yokoi, N, Miyazawa, K, Mori, Y, Saito, K, Tominaga, G, Imura, K, Shimamura, T, Hirotani, I, Kiso   +8 more
openaire   +2 more sources

Roughness and growth in a continuous fluid invasion model

Physical Review E, 2004
We have studied interface characteristics in a continuous fluid invasion model, first introduced by Phys. Rev. Lett. 60, 2042 (1988)]. In this model, the interface grows as a response to an applied quasistatic pressure, which induces various types of instabilities. We suggest a variant of the model, which differs from the original model by the order of
Inbal, Hecht, Haim, Taitelbaum
openaire   +2 more sources