Epidermal Growth Factor

Publication Title: 
International Journal of Cancer. Journal International Du Cancer

Dermal fibroblasts from patients with the autosomal dominant cancer-prone disease Basal Cell Nevus Syndrome (BCNS) exhibit a serum dependence, anchorage dependence and in vitro lifespan (about 20 population doublings or less) similar to those of fibroblasts from normal age-, race- and sex-matched controls.

Shimada, T.
Dowjat, W. K.
Gindhart, T. D.
Lerman, M. I.
Colburn, N. H.
Publication Title: 
Psychotherapy and Psychosomatics
Kovács, Z. A.
Puskás, L. G.
Juhász, A.
Rimanóczy, A.
Hackler, L.
Kátay, L.
Gali, Z.
Vetró, A.
Janka, Z.
Kálmán, J.
Publication Title: 
PloS One

BACKGROUND: Phosphoinositide 3-kinase (PI3K)/Akt pathway is linked to the development of asthma. Anti-malarial drug artesunate is a semi-synthetic derivative of artemisinin, the principal active component of a medicinal plant Artemisia annua, and has been shown to inhibit PI3K/Akt activity. We hypothesized that artesunate may attenuate allergic asthma via inhibition of the PI3K/Akt signaling pathway. METHODOLOGY/PRINCIPAL FINDINGS: Female BALB/c mice sensitized and challenged with ovalbumin (OVA) developed airway inflammation.

Cheng, Chang
Ho, W. Eugene
Goh, Fera Y.
Guan, Shou Ping
Kong, Li Ren
Lai, Wen-Qi
Leung, Bernard P.
Wong, W. S. Fred
Publication Title: 
Biochemical Pharmacology

Since centuries, natural compounds from plants, animals and microorganisms were used in medicinal traditions to treat various diseases without a solid scientific basis. Recent studies have shown that plants that were used or are still used in the medieval European medicine are able to provide relieve for many diseases including cancer. Here we summarize impact and effect of selected purified active natural compounds from plants used in European medieval medicinal traditions on cancer hallmarks and enabling characteristics identified by Hanahan and Weinberg.

Teiten, Marie-Hélène
Gaascht, François
Dicato, Mario
Diederich, Marc
Publication Title: 
American Journal of Physiology. Cell Physiology

The Salmonella effector protein SigD is an inositol phosphate phosphatase that inhibits phosphatidylinositol 3-kinase-dependent signaling. Because epidermal growth factor (EGF) inhibits chloride secretion via phosphatidylinositol 3-kinase, we explored whether Salmonella infection might modify the inhibitory effect of EGF. As expected, EGF inhibited chloride secretion induced by carbachol in T(84) epithelial cells. Infection with wild-type (WT) but not sigD(-) mutant S. typhimurium SL1344 decreased CCh-stimulated chloride secretion.

Bertelsen, Lone S.
Paesold, Günther
Marcus, Sandra L.
Finlay, Brett B.
Eckmann, Lars
Barrett, Kim E.
Publication Title: 
Kidney International

Human immunodeficiency virus (HIV)-infected children are at risk of developing several types of renal diseases, including HIV-associated nephropathy (HIVAN), which is usually seen during late stages of infection in children with a high viral load. This disease is defined by the presence of proteinuria associated with mesangial hyperplasia and/or global-focal segmental glomerulosclerosis combined with microcystic transformation of the renal tubules. Because HIVAN can have an insidious clinical onset, renal biopsy is the only definitive way of establishing a diagnosis.

Soler-García, Angel A.
Rakhmanina, Natella Y.
Mattison, Parnell C.
Ray, Patricio E.
Publication Title: 

Claudin-2 is a unique member of the claudin family of transmembrane proteins, as its expression is restricted to the leaky epithelium in vivo and correlates with epithelial leakiness in vitro. However, recent evidence suggests potential functions of claudin-2 that are relevant to neoplastic transformation and growth. In accordance, here we report, on the basis of analysis of mRNA and protein expression using a total of 309 patient samples that claudin-2 expression is significantly increased in colorectal cancer and correlates with cancer progression.

Dhawan, P.
Ahmad, R.
Chaturvedi, R.
Smith, J. J.
Midha, R.
Mittal, M. K.
Krishnan, M.
Chen, X.
Eschrich, S.
Yeatman, T. J.
Harris, R. C.
Washington, M. K.
Wilson, K. T.
Beauchamp, R. D.
Singh, A. B.
Publication Title: 
PloS One

Selenium (Se) is an essential micronutrient that exerts its functions via selenoproteins. Little is known about the role of Se in inflammatory bowel disease (IBD). Epidemiological studies have inversely correlated nutritional Se status with IBD severity and colon cancer risk. Moreover, molecular studies have revealed that Se deficiency activates WNT signaling, a pathway essential to intestinal stem cell programs and pivotal to injury recovery processes in IBD that is also activated in inflammatory neoplastic transformation.

Barrett, Caitlyn W.
Singh, Kshipra
Motley, Amy K.
Lintel, Mary K.
Matafonova, Elena
Bradley, Amber M.
Ning, Wei
Poindexter, Shenika V.
Parang, Bobak
Reddy, Vishruth K.
Chaturvedi, Rupesh
Fingleton, Barbara M.
Washington, Mary K.
Wilson, Keith T.
Davies, Sean S.
Hill, Kristina E.
Burk, Raymond F.
Williams, Christopher S.
Publication Title: 
PloS One

Epidermal growth factor receptor (EGFR) and vascular endothelial growth factor receptor 2 (VEGFR2) have emerged as two effective clinical targets for non-small-cell lung cancer (NSCLC). In the present study, we found that delphinidin, an anthocyanidin, present in pigmented fruits and vegetables, is a potent inhibitor of both EGFR and VEGFR2 in NSCLC cells that overexpress EGFR/VEGFR2. Using these cells, we next determined the effects of delphinidin on cell growth and apoptosis in vitro and on tumor growth and angiogenesis in vivo.

Pal, Harish Chandra
Sharma, Samriti
Strickland, Leah Ray
Agarwal, Jyoti
Athar, Mohammad
Elmets, Craig A.
Afaq, Farrukh
Publication Title: 
Cancer Research

Caloric restriction (CR) inhibits many neoplastic diseases in rodents, yet the biochemical mechanism(s) for these effects are poorly understood. We have examined the effects of ad libitum (AL) feeding with 25 or 40% CR on the promotion of 7,12-dimethylbenz(a)anthracene-induced mammary tumorigenesis in virgin female Sprague-Dawley rats.

Ruggeri, B. A.
Klurfeld, D. M.
Kritchevsky, D.
Furlanetto, R. W.


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