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https://www.readbyqxmd.com/read/29444163/the-effect-of-nutramiltm-complex-food-for-special-medical-purpose-on-breast-and-prostate-carcinoma-cells
#1
Aneta A Koronowicz, Mariola Drozdowska, Barbara Wielgos, Ewelina Piasna-Słupecka, Dominik Domagała, Joanna Dulińska-Litewka, Teresa Leszczyńska
NutramilTM Complex is a multicomponent food product that meets the requirements of a food for special medical purpose. As a complete, high-energy diet it consists of properly balanced nutrients, vitamins and minerals. The aim of this study was to assess the effect of NutramilTM Complex on breast and prostate carcinoma cells. Our results showed that NutramilTM Complex reduced the viability and proliferation of breast and prostate cancer cells and that this process was associated with the induction of apoptosis via activation of caspase signalling...
2018: PloS One
https://www.readbyqxmd.com/read/29438676/stress-induced-cellular-responses-in-immunogenic-cell-death-implications-for-cancer-immunotherapy
#2
REVIEW
Flavia Radogna, Marc Diederich
Cancer is evading the host's defense mechanisms leading to avoidance of immune destruction. During tumor progression, immune-evading cancer cells arise due to selective pressure from the hypoxic and nutrient-deprived microenvironment. Thus, therapies aiming at re-establishing immune destruction of pathological cells constitute innovating anti-cancer strategies. Accumulating evidence suggests that selected conventional chemotherapeutic drugs increase the immunogenicity of stressed and dying cancer cells by triggering a form of cell death called immunogenic cell death (ICD), which is characterized by the release of danger-associated molecular patterns (DAMPs)...
February 10, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29435127/%C3%AE-tocopherol-succinate-enhances-pterostilbene-anti-tumor-activity-in-human-breast-cancer-cells-in-vivo-and-in-vitro
#3
Ka-Wai Tam, Chi-Tang Ho, Shih-Hsin Tu, Wen-Jui Lee, Ching-Shui Huang, Ching-Shyang Chen, Chih-Hsiung Wu, Chia-Hwa Lee, Yuan-Soon Ho
Vitamin E (Vit. E) is considered an essential dietary nutrient for humans and animals. An enormous body of evidence indicates the biological and protective effects of Vit. E consumption. Tocopherol-associated protein (TAP) is a major tocopherol-binding protein affecting Vit. E stimulation and downstream signaling transduction. However, how Vit. E utilizes TAP as an anti-cancer mechanism remains unclear. Microarray analysis of signature gene profiles in breast cancer cells treated with α-tocopheryl succinate (α-TOS, a Vit...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29381475/the-role-of-nutrition-in-influencing-mechanisms-involved-in-environmentally-mediated-diseases
#4
REVIEW
Bernhard Hennig, Michael C Petriello, Mary V Gamble, Young-Joon Surh, Laura A Kresty, Norbert Frank, Nuchanart Rangkadilok, Mathuros Ruchirawat, William A Suk
Human exposure to environmental contaminants such as persistent chlorinated organics, heavy metals, pesticides, phthalates, flame retardants, electronic waste and airborne pollutants around the world, and especially in Southeast Asian regions, are significant and require urgent attention. Given this widespread contamination and abundance of such toxins as persistent organic pollutants (POPs) in the ecosystem, it is unlikely that remediation alone will be sufficient to address the health impacts associated with this exposure...
January 30, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29378235/translational-models-of-tumor-angiogenesis-a-nexus-of-in-silico-and-in-vitro-models
#5
REVIEW
Shirin Soleimani, Milad Shamsi, Mehran Akbarpour Ghazani, Hassan Pezeshgi Modarres, Karolina Papera Valente, Mohsen Saghafian, Mehdi Mohammadi Ashani, Mohsen Akbari, Amir Sanati-Nezhad
Emerging evidence shows that endothelial cells are not only the building blocks of vascular networks that enable oxygen and nutrient delivery throughout a tissue but also serve as a rich resource of angiocrine factors. Endothelial cells play key roles in determining cancer progression and response to anti-cancer drugs. Furthermore, the endothelium-specific deposition of extracellular matrix is a key modulator of the availability of angiocrine factors to both stromal and cancer cells. Considering tumor vascular network as a decisive factor in cancer pathogenesis and treatment response, these networks need to be an inseparable component of cancer models...
January 25, 2018: Biotechnology Advances
https://www.readbyqxmd.com/read/29358225/association-between-post-cancer-diagnosis-dietary-inflammatory-potential-and-mortality-among-invasive-breast-cancer-survivors-in-the-women-s-health-initiative
#6
Jiali Zheng, Fred K Tabung, Jiajia Zhang, Angela D Liese, Nitin Shivappa, Judith K Ockene, Bette Caan, Candyce H Kroenke, James R Hebert, Susan E Steck
BACKGROUND: Inflammation is important in chronic disease and can be modulated by dietary exposures. Our aim was to examine whether the inflammatory potential of diet after cancer diagnosis, assessed using the dietary inflammatory index (DII®), is associated with all-cause and cause-specific mortality among women diagnosed with invasive breast cancer in the Women's Health Initiative (WHI). METHODS: Our analytical cohort included 2,150 post-menopausal women, aged 50 to 79 years at baseline, who developed invasive breast cancer during follow-up and completed a food frequency questionnaire (FFQ) on average 1...
January 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29305107/five-threads-how-u-shaped-thinking-weaves-together-dogs-men-selenium-and-prostate-cancer-risk
#7
REVIEW
David J Waters, Emily C Chiang
Prostate cancer is one of the leading causes of cancer-related mortality among men living in developed countries, making the development of safe, practical approaches to prostate cancer risk reduction a high research priority. The relationship between prostate cancer risk and selenium, an essential nutrient required for a number of metabolically important enzymes including glutathione peroxidases, has been investigated, but a satisfactory integration of results has proven elusive. Dogs, like men, naturally develop prostate cancer during aging, providing an appropriate context to study the effects of selenium supplementation on the dysregulation of homeostasis that drives cancer development within the aging prostate...
January 2, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29296175/organotypic-three-dimensional-cancer-cell-cultures-mirror-drug-responses-in-vivo-lessons-learned-from-the-inhibition-of-egfr-signaling
#8
Nico Jacobi, Rita Seeboeck, Elisabeth Hofmann, Helmut Schweiger, Veronika Smolinska, Thomas Mohr, Alexandra Boyer, Wolfgang Sommergruber, Peter Lechner, Corina Pichler-Huebschmann, Kamil Önder, Harald Hundsberger, Christoph Wiesner, Andreas Eger
Complex three-dimensional (3D) in vitro models that recapitulate human tumor biology are essential to understand the pathophysiology of the disease and to aid in the discovery of novel anti-cancer therapies. 3D organotypic cultures exhibit intercellular communication, nutrient and oxygen gradients, and cell polarity that is lacking in two-dimensional (2D) monolayer cultures. In the present study, we demonstrate that 2D and 3D cancer models exhibit different drug sensitivities towards both targeted inhibitors of EGFR signaling and broad acting cytotoxic agents...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29291009/mir-93-5p-enhances-growth-and-angiogenesis-capacity-of-huvecs-by-down-regulating-eplin
#9
Liang Liang, Lei Zhao, Ying Zan, Qing Zhu, Juan Ren, Xinhan Zhao
Tumor angiogenesis is essential in delivering oxygen and nutrients to growing tumors, and therefore considered as a hallmark of cancer. MicroRNAs (miRNAs) have been shown to play important roles in regulating tumor angiogenesis. MicroRNA-93-5p (miR-93-5p) has been identified as an oncogenic miRNA in a variety of human malignancies and involved in tumor angiogenesis in astrocytoma. However, the direct effect(s) of miR-93-5p on the biological behaviors of endothelial cells have not been investigated. Thus, in the present study we investigated the role(s) of miR-93-5p in regulating the functions of human umbilical vein endothelial cells (HUVECs)...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29282684/disrupting-tumor-angiogenesis-and-the-hunger-games-for-breast-cancer
#10
Ziwei Zhou, Herui Yao, Hai Hu
Angiogenesis, one of the hallmarks of cancers, has become an attractive target for cancer therapy since decades ago. It is broadly thought that upregulation of angiogenesis is involved in tumor progression and metastasis. Though tumor vessels are tortuous, disorganized, and leaky, they deliver oxygen and nutrients for tumor development. Based on this knowledge, many kinds of drugs targeting angiogenesis pathways have been developed, such as bevacizumab. However, the clinical outcomes of anti-angiogenesis therapies are moderate in metastatic breast cancer as well as in metastatic colorectal cancer and non-small cell lung cancer, even combined with traditional chemotherapy...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29279319/survival-of-cancer-stem-like-cells-under-metabolic-stress-via-camk2%C3%AE-mediated-upregulation-of-sarco-endoplasmic-reticulum-calcium-atpase-expression
#11
Ki Cheong Park, Seung Won Kim, Jeong Yong Jeon, A Ra Jo, Hye Ji Choi, Jung Min Kim, Hyun Gyu Lee, Yonjung Kim, Gordon B Mills, Sung Hoon Noh, Min Goo Lee, Eun Sung Park, Jae-Ho Cheong
PURPOSE: Cancer cells grow in an unfavorable metabolic milieu in the tumor microenvironment and are constantly exposed to metabolic stress such as chronic nutrient depletion. Cancer stem-like cells (CSCs) are intrinsically resistant to metabolic stress, thereby surviving nutrient insufficiency and driving more malignant tumor progression. In this study, we aimed to demonstrate the potential mechanisms by which CSCs avoid Ca2+-dependent apoptosis during glucose deprivation. EXPERIMENTAL DESIGN: We investigated cell viability and apoptosis under glucose deprivation, performed genome-wide transcriptional profiling of paired CSCs and parental cells, studied the effect of calcium/calmodulin-dependent protein kinase 2 alpha (CaMK2α) gene knockdown, and investigated the role of nuclear factor kappa B (NFκB) in CSCs during time-dependent Ca2+-mediated and glucose deprivation-induced apoptosis...
December 26, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29251334/niclosamide-acts-as-a-new-inhibitor-of-vasculogenic-mimicry-in-oral-cancer-through-upregulation-of-mir-124-and-downregulation-of-stat3
#12
Xiaoxu Li, Zhicheng Yang, Zewen Han, Yanhui Wen, Zeyun Ma, Yixiang Wang
Tumors require nutrients and oxygen for growth and metastasis. Vasculogenic mimicry (VM) has been found as a new manner of blood supply, which is characterized as the formation of tumor cell-lined vessels instead of endothelial vessels. This is why angiogenesis agents targeted to endothelial cells show a limited efficacy. Up to this point, there is no effective drug reported for inhibiting VM formation. Niclosamide is an oral anti-helminthic drug used to treat human tapeworms. Recent studies have indicated that niclosamide has broad applications for cancer and other diseases...
February 2018: Oncology Reports
https://www.readbyqxmd.com/read/29216269/compensatory-role-of-neuroglobin-in-nervous-and-non-nervous-cancer-cells-in-response-to-the-nutrient-deprivation
#13
Marco Fiocchetti, Manuela Cipolletti, Maria Marino
Environmental factors or adverse growth conditions that may reduce cell function or viability are considered stress. The cell ability to sense and respond to environmental stresses determine its function and survival destiny. We recently defined Neuroglobin (NGB), a heme-protein, as a compensatory protein in the 17β-Estradiol (E2) anti-apoptotic activity and as a sensor of oxidative stress in both neurons and breast cancer cells. Here, the possibility that NGB levels could represent a pivotal regulator of integrated response of cancer cells to stress has been evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/29208360/the-influence-of-soluble-fragments-of-extracellular-matrix-ecm-on-tumor-growth-and-morphology
#14
Nurun N Nargis, Ralph C Aldredge, Robert D Guy
A major challenge in matrix-metalloproteinase (MMP) target validation and MMP-inhibitor-drug development for anti-cancer clinical trials is to better understand their complex roles (often competing with each other) in tumor progression. While there is extensive research on the growth-promoting effects of MMPs, the growth-inhibiting effects of MMPs has not been investigated thoroughly. So we develop a continuum model of tumor growth and invasion including chemotaxis and haptotaxis in order to examine the complex interaction between the tumor and its host microenvironment and to explore the inhibiting influence of the gradients of soluble fragments of extracellular matrix (ECM) density on tumor growth and morphology...
December 2, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/29154090/proliferative-and-metastatic-roles-for-phospholipase-d-in-mouse-models-of-cancer
#15
REVIEW
Eric Roth, Michael A Frohman
Phospholipase D (PLD) activity has been proposed to facilitate multiple steps in cancer progression including growth, metabolism, angiogenesis, and mobility. The canonical enzymes PLD1 and PLD2 enact their diverse effects through hydrolyzing the membrane lipid phosphatidylcholine to generate the second messenger and signaling lipid phosphatidic acid (PA). However, the widespread expression of PLD1 and PLD2 in normal tissues and the additional distinct enzymatic mechanisms through which PA can be generated have produced uncertainty regarding the optimal settings in which PLD inhibition might ameliorate cancer...
November 14, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/29075651/modeling-physiologic-microenvironments-in-three-dimensional-microtumors-maintains-brain-tumor-initiating-cells
#16
Ashley N Gilbert, Kiera Walker, Anh Nhat Tran, Nathaniel H Boyd, G Yancey Gillespie, Raj K Singh, Anita B Hjelmeland
Development of effective novel anti-tumor treatments will require improved in vitro models that incorporate physiologic microenvironments and maintain intratumoral heterogeneity, including tumor initiating cells. Brain tumor initiating cells (BTIC) are a target for cancer therapy, because BTICs are highly tumorigenic and contribute to tumor angiogenesis, invasion, and therapeutic resistance. Current leading studies rely on BTIC isolation from patient-derived xenografts followed by propagation as neurospheres...
2017: Journal of Cancer Stem Cell Research
https://www.readbyqxmd.com/read/29074426/survival-of-the-fittest-cancer-challenges-t-cell-metabolism
#17
Davide G Franchina, Feng He, Dirk Brenner
T cells represent the major contributors to antitumor-specific immunity among the tumor-infiltrating lymphocytes. However, tumors acquire ways to evade immunosurveillance and anti-tumor responses are too weak to eradicate the disease. T cells are often functionally impaired as a result of interaction with, or signals from, transformed cells and the tumor microenvironment, including stromal cells. Among these, nutrients use and consumption is critically important for the control of differentiation and effector mechanisms of T cells...
October 24, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29066484/aminoguanidine-ag-induces-induced-both-pro-and-antioxidant-effect-in-ar42j-cells-a-rat-pancreatic-tumor-cell-line
#18
Parimal Chowdhury
Aminoguanidine (AG), a diamine oxidase and a nitric oxide synthase inhibitor, was used in diabetes, thyroid follicular carcinoma, hepatocellular carcinoma, pancreatic cancer xenografts and in breast cancer research. The effects of AG on these pathologic conditions may be related to its regulatory effects on cell proliferation, angiogenesis, and expression of antioxidant enzymes. However, its role as pro and/or anti-oxidant affecting signaling and function in pancreatic tumor cell lines has not been studied...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29055715/live-or-let-die-neuroprotective-and-anti-cancer-effects-of-nutraceutical-antioxidants
#19
REVIEW
Xiao-Yuan Mao, Ming-Zhu Jin, Jin-Fei Chen, Qin Li, Hong-Hao Zhou, Wei-Lin Jin
Diet sources are closely involved in the pathogenesis of diverse neuropsychiatric disorders and cancers, in addition to inherited factors. Currently, natural products or nutraceuticals (commonly called medical foods) are increasingly employed for adjunctive therapy of these patients. However, the potential molecular mechanisms of the nutrient efficacy remain elusive. In this review, we summarized the neuroprotective and anti-cancer mechanisms of nutraceuticals. It was concluded that the nutraceuticals exerted neuroprotection and suppressed tumor growth possibly through the differential modulations of redox homeostasis...
October 18, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29048387/vitamin-d-as-a-novel-regulator-of-tumor-metabolism-insights-on-potential-mechanisms-and-implications-for-anti-cancer-therapy
#20
REVIEW
Mohamed A Abu El Maaty, Stefan Wölfl
1,25-dihydroxyvitamin D₃ [1,25(OH)₂D₃], the bioactive form of vitamin D, has been shown to possess significant anti-tumor potential. While most studies so far have focused on the ability of this molecule to influence the proliferation and apoptosis of cancer cells, more recent data indicate that 1,25(OH)₂D₃ also impacts energy utilization in tumor cells. In this article, we summarize and review the evidence that demonstrates the targeting of metabolic aberrations in cancers by 1,25(OH)₂D₃, and highlight potential mechanisms through which these effects may be executed...
October 19, 2017: International Journal of Molecular Sciences
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