Browsing by Subject "animal tissue"

Article

1,2,3-Dithiazoles-new reversible melanin synthesis inhibitors: A chemical genomics study

Charalambous, Anna; Koyioni, Maria; Antoniades, Ioanna; Pegeioti, Despoina; Eleftheriou, Iro; Michaelidou, Sophia S.; Amelichev, Stanislav A.; Konstantinova, L. S.; Rakitin, O. A.; Koutentis, Panayiotis Andreas; Skourides, Paris A. (2015)

A chemical genomic screen of an in-house library of small molecule heterocycles was carried out using Xenopus laevis embryos. This led to the identification of N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methoxyaniline ...

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

Beneficial effects of a vanadium complex with cysteine, administered at low doses on benzo(α) pyrene-induced leiomyosarcomas in wistar rats

Liasko, Roman; Kabanos, Themistoklis A.; Karkabounas, Spyridon Ch; Malamas, Michael Ph; Tasiopoulos, Anastasios J.; Stefanou, Dimitrios G.; Collery, P.; Evangelou, Angelos M. (1998)

Background: Vanadium is a potent environmental and body metal, possessing remarkable antitumor and antidiabetic properties. Vanadium salts and complexes have been widely investigated for their anticarcinogenic properties ...

Article

Calpain2 protease: A new member of the Wnt/Ca2+ pathway modulating convergent extension movements in Xenopus

Zanardelli, Sara; Christodoulou, Neophytos; Skourides, Paris A. (2013)

Calpains are a family of calcium-dependent intracellular cysteine proteases that regulate several physiological processes by limited cleavage of different substrates. The role of Calpain2 in embryogenesis is not clear with ...

Article

Cancer chemopreventive activity of brassinin, a phytoalexin from cabbage

Mehta, R. G.; Liu, J.; Constantinou, Andreas I.; Thomas, C. F.; Hawthorne, M.; You, M.; Gerhäuser, C.; Pezzuto, J. M.; Moon, R. C.; Moriarty, R. M. (1995)

Brassinin [3-(S-methyldithiocarbamoyl aminomethyl indole], a phytoalexin first identified as a constituent of cabbage, was synthesized and evaluated for cancer chemopreventive activity. Dose-dependent inhibition of ...

Article

Causes, consequences, and remedies for growth-induced solid stress in murine and human tumors

Stylianopoulos, T.; Martin, J. D.; Chauhan, V. P.; Jain, S. R.; Diop-Frimpong, B.; Bardeesy, N.; Smith, B. L.; Ferrone, C. R.; Hornicek, F. J.; Boucher, Y.; Munn, L. L.; Jain, R. K. (2012)

The presence of growth-induced solid stresses in tumors has been suspected for some time, but these stresses were largely estimated using mathematical models. Solid stresses can deform the surrounding tissues and compress ...

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

Coexpression of H2-Mb and H2-Ab genes during fetal and postnatal development

Georgiades, Pantelis; Kieszkiewicz, J.; Rozycka, M.; Brickell, P. M.; Lund, T. (1996)

The major histocompatibility complex (MHC) class II-like molecules, H2-M, have an essential role in processing and presentation of antigens by the MHC class II molecules, because functional inactivation of these genes lead ...

Article

Composition and histone substrates of polycomb repressive group complexes change during cellular differentiation

Kuzmichev, A.; Margueron, R.; Vaquero, A.; Preissner, T. S.; Scher, M.; Kirmizis, Antonis; Ouyang, X.; Brockdorff, N.; Abate-Shen, C.; Farnham, P.; Reinberg, D. (2005)

Changes in the substrate specificities of factors that irreversibly modify the histone components of chromatin are expected to have a profound effect on gene expression through epigenetics. Ezh2 is a histone-lysine ...

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

Decidual spiral artery remodeling during early post-implantation period in mice: Investigation of associations with decidual uNK cells and invasive trophoblast

Charalambous, F.; Elia, Avraam; Georgiades, Pantelis (2012)

Circumferential remodeling of spiral arteries (SAs) during pregnancy is crucial for regulating maternal blood flow into the placenta and clinically important. However its mechanism is still ill defined in humans and mice. ...

Article

Deficiencies in the Fanconi Anemia DNA damage response pathway increase sensitivity to HPV-associated head and neck cancer

Park, J. W.; Pitot, H. C.; Strati, Katerina; Spardy, N.; Duensing, S.; Grompe, M.; Lambert, P. F. (2010)

Patients with the rare genetic disease, Fanconi anemia (FA), are highly susceptible to squamous cell carcinomas arising at multiple anatomic sites including the head and neck region. Human papillomaviruses (HPVs), particularly ...

Article

Direct conversion of mouse embryonic fibroblasts into functional keratinocytes through transient expression of pluripotency-related genes

Iacovides, D.; Rizki, G.; Lapathitis, Georgios; Strati, Katerina (2016)

The insufficient ability of specialized cells such as neurons, cardiac myocytes, and epidermal cells to regenerate after tissue damage poses a great challenge to treat devastating injuries and ailments. Recent studies ...

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

Ectopic expression of individual E(spl) genes has differential effects on different cell fate decisions and underscores the biphasic requirement for Notch activity in wing margin establishment in Drosophila

Ligoxygakis, P.; Bray, S. J.; Apidianakis, Yiorgos; Delidakis, Christos (1999)

A common consequence of Notch signalling in Drosophila is the transcriptional activation of seven Enhancer of split [E(spl)] genes, which encode a family of closely related basic-helix-loop-helix transcriptional repressors. ...

Article

Efficacy of garbanzo and soybean flour in suppression of aberrant crypt foci in the colons of CF-1 mice

Murillo, G.; Choi, J. K.; Pan, O.; Constantinou, Andreas I.; Mehta, R. G. (2004)

Background: Epidemiological studies have reported a low incidence of colon cancer in countries with high legume consumption. Moreover, experimental studies have found that legumes, such as soybeans and pinto beans, have ...

Article

Experimental measurements and mathematical modeling towards quantification of brain swelling stress

Angeli, S.; Stylianopoulos, T. (2017)

Traumatic brain injury results in brain tissue swelling which can be a life threatening condition due to skull confinement. While previous efforts successfully measured the exhibited volume change in brain tissue swelling, ...

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 ...