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https://www.readbyqxmd.com/read/29891114/the-unfolded-protein-response-as-a-target-for-anticancer-therapeutics
#1
REVIEW
Mengxiong Wang, Mary E Law, Ronald K Castellano, Brian K Law
The endoplasmic reticulum (ER) is an essential organelle in eukaryotic cells, responsible for protein synthesis, folding, sorting, and transportation. ER stress is initiated when the unfolded or misfolded protein load exceeds the capacity of the ER to properly fold protein. Tumor microenvironmental conditions, such as nutrient deprivation, hypoxia, and oxidative stress perturb protein folding and trigger chronic ER stress. Cancer cells can tolerate mild ER stress, however, persistent and severe ER stress kills cancer cells by inducing their autophagy, apoptosis, necroptosis, or immunogenic cell death...
July 2018: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/29848836/combination-of-arginine-glutamine-and-omega-3-fatty-acid-supplements-for-perioperative-enteral-nutrition-in-surgical-patients-with-gastric-adenocarcinoma-or-gastrointestinal-stromal-tumor-gist-a-prospective-randomized-double-blind-study
#2
C Ma, H Tsai, W Su, L Sun, Y Shih, J Wang
Background: Perioperative enteral nutrition (EN) enriched with immune-modulating substrates is preferable for patients undergoing major abdominal cancer surgery. In this study, perioperative EN enriched with immune-modulating nutrients such as arginine, glutamine, and omega-3 fatty acids was evaluated for its anti-inflammatory efficacy in patients with gastric adenocarcinoma or gastrointestinal stromal tumor (GIST) receiving curative surgery. Materials and Methods: This prospective, randomized, double-blind study recruited 34 patients with gastric adenocarcinoma or gastric GIST undergoing elective curative surgery...
May 31, 2018: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/29848659/sphingolipids-inhibit-endosomal-recycling-of-nutrient-transporters-by-inactivating-arf6
#3
Brendan T Finicle, Manuel U Ramirez, Gang Liu, Elizabeth M Selwan, Alison N McCracken, Jingwen Yu, Yoosun Joo, Jannett Nguyen, Kevin Ou, Saurabh Ghosh Roy, Victor D Mendoza, Dania Virginia Corrales, Aimee L Edinger
Endogenous sphingolipids (ceramide) and related synthetic molecules (FTY720, SH-BC-893) reduce nutrient access by decreasing cell surface expression of a subset of nutrient transporter proteins. Here, we report that these sphingolipids disrupt endocytic recycling by inactivating the small GTPase ARF6. Consistent with reported roles for ARF6 in maintaining the tubular recycling endosome, MICAL-L1-positive tubules were lost from sphingolipid-treated cells. ARF6 inactivation may occur downstream of PP2A activation...
May 30, 2018: Journal of Cell Science
https://www.readbyqxmd.com/read/29808459/mpges-1-and-alox5-15-in-tumor-associated-macrophages
#4
Andreas Weigert, Elisabeth Strack, Ryan G Snodgrass, Bernhard Brüne
The tumor immune landscape gained considerable interest based on the knowledge that genetic aberrations in cancer cells alone are insufficient for tumor development. Macrophages are basically supporting all hallmarks of cancer and owing to their tremendous plasticity they may exert a whole spectrum of anti-tumor and pro-tumor activities. As part of the innate immune response, macrophages are armed to attack tumor cells, alone or in concert with distinct T cell subsets. However, in the tumor microenvironment, they sense nutrient and oxygen gradients, receive multiple signals, and respond to this incoming information with a phenotype shift...
May 28, 2018: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29786602/microfluidic-system-for-modelling-3d-tumour-invasion-into-surrounding-stroma-and-drug-screening
#5
Zhichang Du, Shengli Mi, Xiaoman Yi, Yuanyuan Xu, Wei Sun
Tumour invasion into the surrounding stroma is a critical step in metastasis, and it is necessary to clarify the role of microenvironmental factors in tumour invasion. We present a microfluidic system that simulated and controlled multi-factors of the tumour microenvironment for three-dimensional (3D) assessment of tumour invasion into the stroma. The simultaneous, precise and continuous arrangement of two 3D matrices was visualised to observe the migration of cancer cell populations or single cells by transfecting cells with a fluorescent protein...
May 22, 2018: Biofabrication
https://www.readbyqxmd.com/read/29772715/effects-of-sparassis-crispa-in-medical-therapeutics-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#6
Le Thi Nhu Ngoc, You-Kwan Oh, Young-Jong Lee, Young-Chul Lee
In this study, we investigated the therapeutic potential and medical applications of Sparassis crispa ( S. crispa ) by conducting a systematic review of the existing literature and performing a meta-analysis. The original efficacy treatment of the mushroom extract is considered primarily and searched in electronic databases. A total of 623 articles were assessed, 33 randomized controlled experiments were included after the manual screening, and some papers, review articles, or editorials that did not contain data were excluded...
May 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29752116/antimicrobial-and-anticancer-activities-of-silver-nanoparticles-synthesized-from-the-root-hair-extract-of-phoenix-dactylifera
#7
Mohammad Oves, Mohammad Aslam, Mohd Ahmar Rauf, Shariq Qayyum, Huda A Qari, Mohd Shahnawaz Khan, Mohammad Zubair Alam, Shams Tabrez, Arivalagan Pugazhendhi, Iqbal M I Ismail
There is a continuous rise in the rate of medicine consumption because of the development of drug resistance by microbial pathogens. In the last one decade, silver nanoparticles (AgNPs) have become a remarkable choice for the development of new drugs due to their excellent broad-spectrum antimicrobial activity. In the current piece of work, we have synthesized AgNPs from the root extract of Phoenix dactylifera to test their antimicrobial and anti-cancer potential. UV-visible spectra showed the surface plasmon resonance peak at 420 nm λmax corresponding to the formation of silver nanoparticles, FTIR spectra further confirmed the involvement of biological moieties in AgNPs synthesis...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29734808/enhanced-glioblastoma-targeting-ability-of-carfilzomib-enabled-by-d-a7r-modified-lipid-nanodisk
#8
Mingfei Zhang, Linwei Lu, Man Ying, Huitong Ruan, Xiaoyi Wang, Huan Wang, Zhilan Chai, Songli Wang, Changyou Zhan, Jun Pan, Weiyue Lu
The robust proliferation of tumors relies on rich neovasculature for nutrients supply. Therefore, a basic strategy of tumor targeting therapy should include not only killing regular cancer cells but also blocking tumor neovasculature. D-peptide DA7R, which was previously reported to specifically bind vascular endothelial growth factor receptor 2 (VEGFR2) and neuropilin-1 (NRP-1), could achieve the goal of multi-targets recognition. Accordingly, the main purposes of this work were to establish a carfilzomib loaded lipid nanodisk modified with multifunctional peptide DA7R (DA7R-ND/CFZ) and to evaluate its anti-glioblastoma efficacy in vitro and in vivo...
May 7, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29729421/possible-use-of-punica-granatum-pomegranate-in-cancer-therapy
#9
REVIEW
Amrita Devi Khwairakpam, Devivasha Bordoloi, Krishan Kumar Thakur, Javadi Monisha, Frank Arfuso, Gautam Sethi, Srishti Mishra, Alan P Kumar, Ajaikumar B Kunnumakkara
The intake of fruits has proven to reduce the risk and incidence of cancer worldwide and plays a crucial role in cancer prevention. Pomegranate (Punica granatum), which belongs to the Punicaceae family, is one such plant that contains beneficial nutrients as well as many bioactive components and important phytochemicals that can be attributed to cancer-related therapeutic purposes. Pomegranate possesses antioxidant, anti-inflammatory, anti-proliferative, anti-angiogenic, anti-invasive, and anti-metastatic properties, and induces apoptosis...
May 2, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29708079/barriers-to-cancer-nutrition-therapy-excess-catabolism-of-muscle-and-adipose-tissues-induced-by-tumour-products-and-chemotherapy
#10
Dalton L Schiessel, Vickie E Baracos
Cancer-associated malnutrition is driven by reduced dietary intake and by underlying metabolic changes (such as inflammation, anabolic resistance, proteolysis, lipolysis and futile cycling) induced by the tumour and activated immune cells. Cytotoxic and targeted chemotherapies also elicit proteolysis and lipolysis at the tissue level. In this review, we summarise specific mediators and chemotherapy effects that provoke excess proteolysis in muscle and excess lipolysis in adipose tissue. A nutritionally relevant question is whether and to what degree these catabolic changes can be reversed by nutritional therapy...
April 30, 2018: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29663923/selenium-and-iron-oxide-nanocomposites-for-magnetically-targeted-anti-cancer-applications
#11
Halla Laufey Hauksdóttir, Thomas J Webster
Iron oxide nanoparticles (IONP) are already well-established in the medical field due to their ability to improve contrast in magnetic resonance imaging (MRI) and for their external magnetic control in the body. Moreover, selenium has been shown to kill numerous cancer cells at lower concentrations that IONP (e.g., 1 μg/ml). Selenium is a trace mineral of growing interest in cancer treatment since it is an essential nutrient in the human body and can interfere with thiolcontaining proteins necessary for cancer cells to function...
March 1, 2018: Journal of Biomedical Nanotechnology
https://www.readbyqxmd.com/read/29546541/the-physiological-role-of-boron-on-health
#12
REVIEW
Haseeb Khaliq, Zhong Juming, Peng Ke-Mei
Boron is an essential mineral that plays an important role in several biological processes. Boron is required for growth of plants, animals, and humans. There are increasing evidences of this nutrient showing a variety of pleiotropic effects, ranging from anti-inflammatory and antioxidant effects to the modulation of different body systems. In the past few years, the trials showed disease-related polymorphisms of boron in different species, which has drawn attention of scientists to the significance of boron to health...
March 15, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29499131/dynamic-regulation-of-long-chain-fatty-acid-oxidation-by-a-noncanonical-interaction-between-the-mcl-1-bh3-helix-and-vlcad
#13
Silvia Escudero, Elma Zaganjor, Susan Lee, Christopher P Mill, Ann M Morgan, Emily B Crawford, Jiahao Chen, Thomas E Wales, Rida Mourtada, James Luccarelli, Gregory H Bird, Ulrich Steidl, John R Engen, Marcia C Haigis, Joseph T Opferman, Loren D Walensky
MCL-1 is a BCL-2 family protein implicated in the development and chemoresistance of human cancer. Unlike its anti-apoptotic homologs, Mcl-1 deletion has profound physiologic consequences, indicative of a broader role in homeostasis. We report that the BCL-2 homology 3 (BH3) α helix of MCL-1 can directly engage very long-chain acyl-CoA dehydrogenase (VLCAD), a key enzyme of the mitochondrial fatty acid β-oxidation (FAO) pathway. Proteomic analysis confirmed that the mitochondrial matrix isoform of MCL-1 (MCL-1Matrix ) interacts with VLCAD...
March 1, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29490888/the-dark-side-of-tumor-associated-endothelial-cells
#14
REVIEW
Francesco De Sanctis, Stefano Ugel, John Facciponte, Andrea Facciabene
Angiogenesis is a hallmark of cancer and a requisite that tumors must achieve to fulfill their metabolic needs of nutrients and oxygen. As a critical step in cancer progression, the 'angiogenic switch' allows tumor cells to survive and grow, and provides them access to vasculature resulting in metastatic progression and dissemination. Tumor-dependent triggering of the angiogenic switch has critical consequences on tumor progression which extends from an increased nutrient supply and relies instead on the ability of the tumor to hijack the host immune response for the generation of a local immunoprivileged microenvironment...
February 2018: Seminars in Immunology
https://www.readbyqxmd.com/read/29475214/micro-environment-and-intracellular-metabolism-modulation-of-adipose-tissue-macrophage-polarization-in-relation-to-chronic-inflammatory-diseases
#15
REVIEW
Xiao Zhu, Yixuan Tu, Hainan Chen, Ampadu O Jackson, Vaibhav Patel, Kai Yin
The accumulation and pro-inflammatory polarization of immune cells, mainly macrophages, in adipose tissue (AT) are considered crucial factors for obesity-induced chronic inflammatory diseases. In this review, we highlighted the role of adipose tissue macrophage (ATM) polarization on AT function in the obese state and the effect of the micro-environment and intracellular metabolism on the dynamic switch of ATMs into their pro-inflammatory or anti-inflammatory phenotypes, which may have distinct influences on obesity-related chronic inflammatory diseases...
February 23, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29462928/omega-3-pufa-loaded-in-resveratrol-based-solid-lipid-nanoparticles-physicochemical-properties-and-antineoplastic-activities-in-human-colorectal-cancer-cells-in-vitro
#16
Simona Serini, Roberta Cassano, Paola Antonia Corsetto, Angela Maria Rizzo, Gabriella Calviello, Sonia Trombino
New strategies are being investigated to ameliorate the efficacy and reduce the toxicity of the drugs currently used in colorectal cancer (CRC), one of the most common malignancies in the Western world. Data have been accumulated demonstrating that the antineoplastic therapies with either conventional or single-targeted drugs could take advantage from a combined treatment with omega-3 polyunsaturated fatty acids (omega-3 PUFA). These nutrients, shown to be safe at the dosage generally used in human trials, are able to modulate molecules involved in colon cancer cell growth and survival...
February 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29461625/beyond-symptomatic-relief-for-chemotherapy-induced-peripheral-neuropathy-targeting-the-source
#17
REVIEW
Jiacheng Ma, Annemieke Kavelaars, Patrick M Dougherty, Cobi J Heijnen
Chemotherapy-induced peripheral neuropathy (CIPN) is a serious adverse side effect of many chemotherapeutic agents, affecting >60% of patients with cancer. Moreover, CIPN persists long into survivorship in approximately 20% to 30% of these patients. To the authors' knowledge, no drugs have been approved to date by the US Food and Drug Administration to effectively manage chemotherapy-induced neuropathic pain. The majority of the drugs tested for the management of CIPN aim at symptom relief, including pain and paresthesia, yet are not very efficacious...
February 20, 2018: Cancer
https://www.readbyqxmd.com/read/29444163/the-effect-of-nutramiltm-complex-food-for-special-medical-purpose-on-breast-and-prostate-carcinoma-cells
#18
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
#19
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
#20
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
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