Browsing by Subject "animal model"

Article

Angiotensin inhibition enhances drug delivery and potentiates chemotherapy by decompressing tumour blood vessels

Chauhan, V. P.; Martin, J. D.; Liu, H.; Lacorre, D. A.; Jain, S. R.; Kozin, S. V.; Stylianopoulos, T.; Mousa, A. S.; Han, X.; Adstamongkonkul, P.; Popovic, Z.; Huang, P.; Bawendi, M. G.; Boucher, Y.; Jain, R. K. (2013)

Cancer and stromal cells actively exert physical forces (solid stress) to compress tumour blood vessels, thus reducing vascular perfusion. Tumour interstitial matrix also contributes to solid stress, with hyaluronan ...

Article

Bacterial cupredoxin azurin as an inducer of apoptosis and regression in human breast cancer

Punj, V.; Bhattacharyya, S.; Saint-Dic, D.; Vasu, C.; Cunningham, E. A.; Graves, J.; Yamada, T.; Constantinou, Andreas I.; Christov, K.; White, B.; Li, G.; Majumdar, D.; Chakrabarty, A. M.; Das Gupta, T. K. (2004)

Azurin, a copper-containing redox protein released by the pathogenic bacterium Pseudomonas aeruginosa, is highly cytotoxic to the human breast cancer cell line MCF-7, but is less cytotoxic toward p53-negative (MDA-MB-157) ...

Article

Chemopreventive effects of soy protein and purified soy isoflavones on DMBA-induced mammary tumors in female Sprague-Dawley rats

Constantinou, Andreas I.; Lantvit, D.; Hawthorne, M.; Xu, X.; Van Breemen, R. B.; Pezzuto, J. M. (2001)

There are conflicting reports on the effect of soy and its components on mammary carcinogenesis in adult female rats, mainly because of different rodent models that are used in chemoprevention studies. The present study ...

Article

Coevolution of solid stress and interstitial fluid pressure in tumors during progression: Implications for vascular collapse

Stylianopoulos, T.; Martin, J. D.; Snuderl, M.; Mpekris, F.; Jain, S. R.; Jain, R. K. (2013)

The stress harbored by the solid phase of tumors is known as solid stress. Solid stress can be either applied externally by the surrounding normal tissue or induced by the tumor itself due to its growth. Fluid pressure is ...

Article

Cyst formation in the PKD2 (1-703) transgenic rat precedes deregulation of proliferation-related pathways

Koupepidou, P.; Felekkis, Kyriacos N.; Kränzlin, B.; Sticht, C.; Gretz, N.; Constantinou-Deltas, Constantinos D. (2010)

Background: Polycystic Kidney Disease is characterized by the formation of large fluid-filled cysts that eventually destroy the renal parenchyma leading to end-stage renal failure. Although remarkable progress has been ...

Article

Dietary retinoids and carotenoids in rodent models of mammary tumorigenesis

Moon, R. C.; Constantinou, Andreas I. (1997)

In this review of the scientific literature the relationship between retinoids, carotenoids, and mammary carcinogenesis is examined. Several retinoids have shown promise as chemopreventive agents against chemically induced ...

Article

Dietary Soy Isoflavones and Estrone Protect Ovariectomized ERαKO and Wild-Type Mice from Carcinogen-Induced Colon Cancer

Guo, J. -Y; Li, X.; Browning Jr., J. D.; Rottinghaus, G. E.; Lubahn, D. B.; Constantinou, Andreas I.; Bennink, M.; MacDonald, R. S. (2004)

Consumption of soy foods has been weakly associated with reduced colon cancer risk. Colon cancer risk is influenced by estrogen exposure, although the mechanism through which this occurs is not defined. Conversion of ...

Article

Distribution of epidermal growth factor receptors in normal and neoplastic mammary tissues

Mehta, R. G.; Mehta, R. R.; Constantinou, Andreas I.; Moon, R. C. (1995)

Epidermal growth factor (EGF) is considered to be mitogenic for proliferation of mammary glands in animals. The action of EGF is mediated by specific EGF receptors (EGF-R). In the present study, we investigated distribution ...

Article

Down-regulation of glutatione S-transferase α 4 (hGSTA4) in the muscle of thermally injured patients is indicative of susceptibility to bacterial infection

Apidianakis, Yiorgos; Que, Y. -A; Xu, W.; Tegos, G. P.; Zimniak, P.; Hamblin, M. R.; Tompkins, R. G.; Xiao, W.; Rahme, L. G. (2012)

Patients with severe burns are highly susceptible to bacterial infection. While immunosuppression facilitates infection, the contribution of soft tissues to infection beyond providing a portal for bacterial entry remains ...

Article

Dramatic rise in plasma viremia after CD8+ T cell depletion in simian immunodeficiency virus-infected macaques

Jin, X.; Bauer, D. E.; Tuttleton, S. E.; Lewin, S.; Gettie, A.; Blanchard, J.; Irwin, C. E.; Safrit, J. T.; Mittler, J.; Weinberger, L.; Kostrikis, Leontios G.; Zhang, L.; Perelson, A. S.; Ho, David D. (1999)

To determine the role of CD8+ T cells in controlling simian immunodeficiency virus (SIV) replication in vivo, we examined the effect of depleting this cell population using an anti-CD8 monoclonal antibody, OKT8F. There was ...

Article

Drosophila melanogaster as a model host for studying Pseudomonas aeruginosa infection

Apidianakis, Yiorgos; Rahme, L. G. (2009)

Conservation of host signaling pathways and tissue physiology between Drosophila melanogaster and mammals allows for the modeling of human host-pathogen interactions in Drosophila. Here we present the use of genetically ...

Article

Effect of the calmodulin inhibitor trifluoperazine on phosphorylation of P-glycoprotein and topoisomerase II: Relationship to modulation of subcellular distribution, DNA damage and cytotoxicity of doxorubicin in multidrug resistant L1210 mouse leukemia cells

Ganapathi, R.; Kamath, N.; Constantinou, Andreas I.; Grabowski, D.; Ford, J.; Anderson, A. (1991)

Article

The effect of the phytoestrogens genistein, daidzein, and equol on the growth of tamoxifen-resistant T47D/PKCα

Tonetti, D. A.; Zhang, Y.; Zhao, H.; Lim, S. -B; Constantinou, Andreas I. (2007)

Soy supplements are often consumed by women for alleviating menopausal symptoms or for the perceived protective effects against breast cancer. More concerning is the concurrent consumption of soy isoflavones with tamoxifen ...

Article

An error in dystrophin mRNA processing in golden retriever muscular dystrophy, an animal homologue of Duchenne muscular dystrophy

Sharp, N. J. H.; Kornegay, J. N.; Van Camp, S. D.; Herbstreith, M. H.; Secore, S. L.; Kettle, S.; Hung, W. -Y; Constantinou-Deltas, Constantinos D.; Dykstra, M. J.; Roses, A. D.; Bartlett, R. J. (1992)

Golden retriever muscular dystrophy (GRMD) is a spontaneous, X-linked, progressively fatal disease of dogs and is also a homologue of Duchenne muscular dystrophy (DMD). Two-thirds of DMD patients carry detectable deletions ...

Article

Evidence for activation of the unfolded protein response in collagen iv nephropathies

Pieri, Myrtani; Stefanou, Charalambos; Zaravinos, Apostolos; Erguler, K.; Stylianou, Konstantinos G.; Lapathitis, Georgios; Karaiskos, Christos; Savva, Isavella; Paraskeva, Revekka; Dweep, H.; Sticht, C.; Anastasiadou, Natassa; Zouvani, Ioanna; Goumenos, Dimitrios S.; Felekkis, Kyriacos N.; Saleem, M.; Voskarides, Konstantinos; Gretz, N.; Constantinou-Deltas, Constantinos D. (2014)

Thin-basement-membrane nephropathy (TBMN) and Alport syndrome (AS) are progressive collagen IV nephropathies caused by mutations in COL4A3/A4/A5 genes. These nephropathies invariably present with microscopic hematuria and ...

Article

FOXO3a is broadly neuroprotective in vitro and in vivo against insults implicated in motor neuron diseases

Mojsilovic-Petrovic, J.; Nedelsky, N.; Boccitto, M.; Mano, I.; Georgiades, Savvas N.; Zhou, W.; Liu, Y.; Neve, R. L.; Taylor, J. P.; Driscoll, M.; Clardy, J.; Merry, D.; Kalb, R. G. (2009)

Aging is a risk factor for the development of adult-onset neurodegenerative diseases. Although some of the molecular pathways regulating longevity and stress resistance in lower organisms are defined (i.e., those activating ...

Article

Genistein induces maturation of cultured human breast cancer cells and prevents tumor growth in nude mice

Constantinou, Andreas I.; Krygier, A. E.; Mehta, R. R. (1998)

Results of recent studies in animal models of mammary carcinogenesis showed that the soybean isoflavone genistein is a chemopreventive agent. The objective of the present study was to determine whether soybean isoflavones ...

Article

Human papillomavirus type 16 E6 and E7 oncoproteins act synergistically to cause head and neck cancer in mice

Jabbar, S.; Strati, K.; Shin, M. K.; Pitot, H. C.; Lambert, P. F. (2010)

High-risk human papillomaviruses (HPVs) contribute to cervical and other anogenital cancers, and they are also linked etiologically to a subset of head and neck squamous cell carcinomas (HNSCC). We previously established ...

Article

Hyaluronan-Derived Swelling of Solid Tumors, the Contribution of Collagen and Cancer Cells, and Implications for Cancer Therapy

Voutouri, C.; Polydorou, C.; Papageorgis, P.; Gkretsi, V.; Stylianopoulos, T. (2016)

Despite the important role that mechanical forces play in tumor growth and therapy, the contribution of swelling to tumor mechanopathology remains unexplored. Tumors rich in hyaluronan exhibit a highly negative fixed charge ...

Article

Identification of biomarkers that distinguish human papillomavirus (HPV)-positive versus HPV-negative head and neck cancers in a mouse model

Strati, K.; Pitot, H. C.; Lambert, P. F. (2006)

Head and neck squamous cell carcinoma (HNSCC) is a leading cause of cancer mortality worldwide. Recent reports have associated a subset of HNSCC with high-risk human papillomaviruses (HPVs), particularly HPV16, the same ...