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Anti cancer nutrients

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https://www.readbyqxmd.com/read/29216269/compensatory-role-of-neuroglobin-in-nervous-and-non-nervous-cancer-cells-in-response-to-the-nutrient-deprivation
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/29027915/a-combination-of-immune-checkpoint-inhibition-with-metronomic-chemotherapy-as-a-way-of-targeting-therapy-resistant-cancer-cells
#9
REVIEW
Irina Kareva
Therapeutic resistance remains a major obstacle in treating many cancers, particularly in advanced stages. It is likely that cytotoxic lymphocytes (CTLs) have the potential to eliminate therapy-resistant cancer cells. However, their effectiveness may be limited either by the immunosuppressive tumor microenvironment, or by immune cell death induced by cytotoxic treatments. High-frequency low-dose (also known as metronomic) chemotherapy can help improve the activity of CTLs by providing sufficient stimulation for cytotoxic immune cells without excessive depletion...
October 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29027830/occurrence-types-properties-and-interactions-of-phenolic-compounds-with-other-food-constituents-in-oil-bearing-plants
#10
Muhammad H Alu'datt, Taha Rababah, Mohammad N Alhamad, Ghaid J Al-Rabadi, Carole C Tranchant, Ali Almajwal, Stan Kubow, Inteaz Alli
Phenolic phytochemicals have become of interest due to their therapeutic potential, particularly with regards to their anti-cancer, anti-inflammatory, hypolipidemic, and hypoglycemic properties. An evolving area of research involving phenolics in foods and their products pertains to the functional, biological, and nutritional consequences resulting from the binding between certain phenolic compounds and the macronutrient and micronutrient constituents of foods. The goal of this review is to provide a summary of studies investigating endogenous phenolic interactions with major components in food systems, including carbohydrates, proteins, lipids, minerals and vitamins, with a focus on the phenolic compounds and nutrients in oil-bearing plants...
October 13, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29017516/identification-of-a-rac-akt-like-gene-in-leishmania-parasites-as-a-putative-therapeutic-target-in-leishmaniasis
#11
Rubén E Varela-M, Rodrigo Ochoa, Carlos E Muskus, Antonio Muro, Faustino Mollinedo
BACKGROUND: Leishmaniasis is one of the world's most neglected diseases caused by at least 20 different species of the protozoan parasite Leishmania. Although new drugs have become recently available, current therapy for leishmaniasis is still unsatisfactory. A subgroup of serine/threonine protein kinases named as related to A and C protein kinases (RAC), or protein kinase B (PKB)/AKT, has been identified in several organisms including Trypanosoma cruzi parasites. PKB/AKT plays a critical role in mammalian cell signaling promoting cell survival and is a major drug target in cancer therapy...
October 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28988409/the-nutritional-and-health-benefits-of-kiwiberry-actinidia-arguta-a-review
#12
Piotr Latocha
The kiwiberry (Actinidia arguta) is a new product on the market that is enjoying growing consumer acceptance around the world. This widespread interest has created increased demand for identification of the kiwiberry's nutritional health benefits. Containing over 20 essential nutrients and a range of vitamins, the kiwiberry comes near the top of fruits classed as superfoods. It is one of the richest sources of vitamin C with up to 430 mg/100 g fresh weight (FW) and is considered the richest dietary source of myo-inositol (up to 982 mg/100 g FW)...
October 7, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28974455/melatonin-as-an-angiogenesis-inhibitor-to-combat-cancer-mechanistic-evidence
#13
REVIEW
Nasser Hashemi Goradel, Mohammad Hossein Asghari, Milad Moloudizargari, Babak Negahdari, Hamed Haghi-Aminjan, Mohammad Abdollahi
Melatonin, a pineal indolamine, participates in different body functions and is shown to possess diverse biological activities such as anti-tumor action. Angiogenesis inhibition is one of the mechanisms by which melatonin exerts its oncostatic effects. Increased angiogenesis is a major feature of tumor progression, thus angiogenesis inhibition is a critical step in cancer therapy. Melatonin employs a variety of mechanisms to target nutrients and oxygen supply to cancer cells. At the transcriptional level, hypoxia induced factor-1α (HIF-1α) and the genes under its control, such as vascular endothelial growth factor (VEGF) are the main targets of melatonin for inhibition of angiogenesis...
November 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28954710/mechanisms-of-anti-cancer-effects-of-ascorbate-cytotoxic-activity-and-epigenetic-modulation
#14
REVIEW
Domenico Mastrangelo, Elvira Pelosi, Germana Castelli, Francesco Lo-Coco, Ugo Testa
Vitamin C (Vit C or Ascorbate) is essential for many fundamental biochemical processes. Vit C is an essential nutrient with redox functions at normal physiologic concentrations. The main physiologic function of this vitamin is related to its capacity to act as a co-factor for a large family of enzymes, collectively known as Fe and 2-oxoglutarate-dependent dioxygenases. It also modulates epigenetic gene expression through the control of TET enzymes activity. Vit C also has several biological properties allowing to restore the deregulated epigenetic response observed in many tumors...
September 21, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28950000/glutaminase-is-essential-for-the-growth-of-triple-negative-breast-cancer-cells-with-a-deregulated-glutamine-metabolism-pathway-and-its-suppression-synergizes-with-mtor-inhibition
#15
Michael Lampa, Heike Arlt, Timothy He, Beatriz Ospina, Jason Reeves, Bailin Zhang, Joshua Murtie, Gejing Deng, Claude Barberis, Dietmar Hoffmann, Hong Cheng, Jack Pollard, Christopher Winter, Victoria Richon, Carlos Garcia-Escheverria, Francisco Adrian, Dmitri Wiederschain, Lakshmi Srinivasan
Tumor cells display fundamental changes in metabolism and nutrient uptake in order to utilize additional nutrient sources to meet their enhanced bioenergetic requirements. Glutamine (Gln) is one such nutrient that is rapidly taken up by tumor cells to fulfill this increased metabolic demand. A vital step in the catabolism of glutamine is its conversion to glutamate by the mitochondrial enzyme glutaminase (GLS). This study has identified GLS a potential therapeutic target in breast cancer, specifically in the basal subtype that exhibits a deregulated glutaminolysis pathway...
2017: PloS One
https://www.readbyqxmd.com/read/28920157/mechanisms-of-cancer-cell-killing-by-sea-cucumber-derived-compounds
#16
REVIEW
Teresa Liliana Wargasetia, Widodo
The aim of cancer therapy is to specifically eradicate tumor cells while causing minimal damage to normal tissues and minimal side-effects. Because of this, the use of natural substances with low toxicity is a good option. Sea cucumbers are one of many potential marine animals that contain valuable nutrients and medicinal properties. The medicinal value of sea cucumbers is attributed to the presence of bioactive agents with promising biological and pharmacological properties that include cytotoxic activity, induction of apoptosis, cell cycle arrest, inhibition of tumor growth, anti-metastatic and anti-angiogenic properties, and inhibition of drug resistance...
December 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28915711/vitamin-k-and-its-analogs-potential-avenues-for-prostate-cancer-management
#17
REVIEW
Subramanyam Dasari, Syed M Ali, Guoxing Zheng, Aoshuang Chen, Venkata Satish Dontaraju, Maarten C Bosland, Andre Kajdacsy-Balla, Gnanasekar Munirathinam
Epidemiological studies have demonstrated a relationship between cancer incidence and dietary habits. Especially intake of certain essential nutrients like vitamins has been shown to be beneficial in experimental studies and some clinical trials. Vitamin K (VK) is an essential nutrient involved in the blood clotting cascade, and there are considerable experimental data demonstrating its potential anticancer activity in several cancer types including prostate cancer. Previous in vitro and in vivo studies have focused mainly on anti-oxidative effects as the underlying anticancer mechanism of VK...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915616/tdp-43-hdac6-axis-promoted-tumor-progression-and-regulated-nutrient-deprivation-induced-autophagy-in-glioblastoma
#18
Tzu-Wei Lin, Ming-Teh Chen, Liang-Ting Lin, Pin-I Huang, Wen-Liang Lo, Yi-Ping Yang, Kai-Hsi Lu, Yi-Wei Chen, Shih-Hwa Chiou, Cheng-Wen Wu
Glioblastoma Multiforme (GBM) is a lethal primary brain tumor with poor survival lifespan and dismal outcome. Surgical resection of GBM is greatly limited due to the biological significance of brain, giving rise to tumor relapse in GBM patients. Transactive response DNA binding protein-43 (TDP-43) is a DNA/RNA-binding protein known for causing neurodegenerative diseases through post-translational modification; but little is known about its involvement in cancer development. In this study, we found that nutrient deprivation in GBM cell lines elevated TDP-43 expression by a mechanism of evasion from ubiquitin-dependent proteolytic pathway, and subsequently activated the autophagy process...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28843267/screening-for-circulating-tumour-cells-allows-early-detection-of-cancer-and-monitoring-of-treatment-effectiveness-an-observational-study
#19
Karin Ried, Peter Eng, Avni Sali
Background: Circulating-Tumour-Cells (CTC) provide a blood biomarker for early carcinogenesis, cancer progression and treatment effectiveness. An increase in CTCs is associated with cancer progression, a CTC decrease with cancer containment or remission. Several technologies have been developed to identify CTC, including the validated Isolation-by-Size-of-Epithelial-Tumour (ISET, Rarecells) technology, combining blood filtration and microscopy using standard histo-pathological criteria. Methods: This observational study compared CTC count to cancer status and cancer risk, by monitoring treatment effectiveness in cancer patients and by screening for CTC in asymptomatic patients with risk factors, including family history of cancer...
August 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28813436/enhancement-of-the-production-of-l-glutaminase-an-anticancer-enzyme-from-aeromonas-veronii-by-adaptive-and-induced-mutation-techniques
#20
S Aravinth Vijay Jesuraj, Md Moklesur Rahman Sarker, Long Chiau Ming, S Marylin Jeya Praya, M Ravikumar, Wong Tin Wui
Microbial anti-cancer enzymes have been proven to be effective and economical agents for cancer treatment. Aeromonas veronii has been identified as a microorganism with the potential to produce L-glutaminase, an anticancer agent effective against acute lymphocytic leukaemia. In this study, a selective medium of Aeromonas veronii was used to culture the microorganism. Strain improvement was done by adaptive and induced mutational techniques. A selective minimal agar media was incorporated for the growth of the strain which further supports adaptive mutation...
2017: PloS One
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