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https://www.readbyqxmd.com/read/28813180/inflammatory-signaling-cascades-and-autophagy-in-cancer
#1
Teresa Monkkonen, Jayanta Debnath
Tumor-associated inflammation is predictive of poor prognosis and drives a variety of tumorigenic phenotypes, including tumor proliferation and survival, angiogenesis, invasiveness, and metastasis. Here, we review mammalian data addressing the interaction of macroautophagy/autophagy with key signaling cascades associated with tumor inflammation. Although our understanding of this area remains incomplete, certain inflammatory pathways have emerged as important mediators of the crosstalk between autophagy and inflammation in tumors...
August 16, 2017: Autophagy
https://www.readbyqxmd.com/read/28811977/epigenetic-regulation-of-the-extrinsic-oncosuppressor-ptx3-gene-in-inflammation-and-cancer
#2
Marcello Rubino, Paolo Kunderfranco, Gianluca Basso, Carolina Magdalen Greco, Fabio Pasqualini, Simone Serio, Massimo Roncalli, Luigi Laghi, Alberto Mantovani, Roberto Papait, Cecilia Garlanda
PTX3 is a component of the humoral arm of innate immunity and an extrinsic oncosuppressor gene taming tumor-promoting inflammation. Here, we show that two enhancers differently regulate PTX3 expression: enhancer 1, located 230 kb upstream of PTX3 promoter, mediated the action of inflammatory transcription factors; and enhancer 2, encompassing PTX3 second exon, was implicated in pre-initiation complex assembly. Polycomb repressive complex 2 silenced these regulatory elements and the promoter in basal condition...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811968/il-32%C3%AE-induced-inflammation-constitutes-a-link-between-obesity-and-colon-cancer
#3
Victoria Catalán, Javier Gómez-Ambrosi, Amaia Rodríguez, Beatriz Ramírez, Victor A Ortega, José Luis Hernández-Lizoain, Jorge Baixauli, Sara Becerril, Fernando Rotellar, Víctor Valentí, Rafael Moncada, Camilo Silva, Javier Salvador, Gema Frühbeck
Growing evidence indicates that adipose tissue inflammation is an important mechanism whereby obesity promotes cancer risk and progression. Since IL-32 is an important inflammatory and remodeling factor in obesity and is also related to colon cancer (CC) development, the aim of this study was to explore whether IL-32 could function as an inflammatory factor in human obesity-associated CC promoting a microenvironment favorable for tumor growth. Samples obtained from 84 subjects [27 lean (LN) and 57 obese (OB)] were used in the study...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811707/myo-inositol-reduces-%C3%AE-catenin-activation-in-colitis
#4
Emily M Bradford, Corey A Thompson, Tatiana Goretsky, Guang-Yu Yang, Luz M Rodriguez, Linheng Li, Terrence A Barrett
AIM: To assess dietary myo-inositol in reducing stem cell activation in colitis, and validate pβ-catenin(S552) as a biomarker of recurrent dysplasia. METHODS: We examined the effects of dietary myo-inositol treatment on inflammation, pβ-catenin(S552) and pAkt levels by histology and western blot in IL-10(-/-) and dextran sodium sulfate-treated colitic mice. Additionally, we assessed nuclear pβ-catenin(S552) in patients treated with myo-inositol in a clinical trial, and in patients with and without a history of colitis-induced dysplasia...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811360/involvement-of-midkine-in-the-development-of-pulmonary-fibrosis
#5
Kenichi Misa, Yoshinori Tanino, Xintao Wang, Takefumi Nikaido, Masami Kikuchi, Yuki Sato, Ryuichi Togawa, Mishie Tanino, Shinya Tanaka, Kenji Kadomatsu, Mitsuru Munakata
Midkine is a low-molecular-weight heparin-binding protein that is strongly expressed mainly in the midgestation period and has various physiological activities such as in development and cell migration. Midkine has been reported to be strongly expressed in cancer cells and in inflammation and repair processes, and to be involved in the pathogenesis of various diseases. However, its role in the lung is poorly understood. In this study, we analyzed the clinical characteristics of idiopathic pulmonary fibrosis patients in relation to midkine expression and used a mouse bleomycin-induced pulmonary fibrosis model to investigate the role of midkine in pulmonary fibrosis...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28811347/tifa-signaling-in-gastric-epithelial-cells-initiates-the-cag-type-4-secretion-system-dependent-innate-immune-response-to-helicobacter-pylori-infection
#6
Alevtina Gall, Ryan G Gaudet, Scott D Gray-Owen, Nina R Salama
Helicobacter pylori is a bacterial pathogen that colonizes the human stomach, causing inflammation which, in some cases, leads to gastric ulcers and cancer. The clinical outcome of infection depends on a complex interplay of bacterial, host genetic, and environmental factors. Although H. pylori is recognized by both the innate and adaptive immune systems, this rarely results in bacterial clearance. Gastric epithelial cells are the first line of defense against H. pylori and alert the immune system to bacterial presence...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28811301/topically-applied-carvedilol-attenuates-solar-ultraviolet-radiation-induced-skin-carcinogenesis
#7
Kevin M Huang, Sherry Liang, Steven Yeung, Etuajie Oiyemhonlan, Kristan H Cleveland, Cyrus Parsa, Robert Orlando, Frank L Meyskens, Bradley Andresen, Ying Huang
In previous studies, the β-blocker carvedilol inhibited EGF-induced epidermal cell transformation and chemical carcinogen-induced mouse skin hyperplasia. As exposure to ultraviolet (UV) radiation leads to skin cancer, the present study examined whether carvedilol can prevent UV-induced carcinogenesis. Carvedilol absorbs UV like a sunscreen; thus, to separate pharmacological from sunscreen effects, 4-hydroxycarbazole (4-OHC), which absorbs UV to the same degree as carvedilol, served as control. JB6 P+ cells, an established epidermal model for studying tumor promotion, were used for evaluating the effect of carvedilol on UV-induced neoplastic transformation...
August 15, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28811084/low-tumour-cell-content-in-a-lung-tumour-bank-implications-for-molecular-characterisation
#8
Felicia Goh, Edwina E Duhig, Belinda E Clarke, Elizabeth McCaul, Linda Passmore, Deborah Courtney, Morgan Windsor, Rishendren Naidoo, Louise Franz, Kylie Parsonson, Ian A Yang, Rayleen V Bowman, Kwun M Fong
Lung cancer encompasses multiple malignant epithelial tumour types, each with specific targetable, potentially actionable mutations, such that precision management mandates accurate tumour typing. Molecular characterisation studies require high tumour cell content and low necrosis content, yet lung cancers are frequently a heterogeneous mixture of tumour and stromal cells. We hypothesised that there may be systematic differences in tumour cell content according to histological subtype, and that this may have implications for tumour banks as a resource for comprehensive molecular characterisation studies in lung cancer...
August 12, 2017: Pathology
https://www.readbyqxmd.com/read/28810829/blocking-il-10-signalling-at-the-time-of-immunization-does-not-increase-unwanted-side-effects-in-mice
#9
Guoying Ni, Zaowen Liao, Shu Chen, Tianfang Wang, Jianwei Yuan, Xuan Pan, Kate Mounsey, Shelley Cavezza, Xiaosong Liu, Ming Q Wei
BACKGROUND: Cancer therapeutic vaccine induced cytotoxic T cell (CTL) responses are pivotal for the killing of tumour cells. Blocking interleukin 10 (IL-10) signalling at the time of immunization increases vaccine induced CTL responses and improves prevention of tumour growth in animal models compared to immunization without an IL-10 signalling blockade. Therefore, this immunization strategy may have potential to curtail cancer in a clinical setting. However, IL-10 deficiency leads to autoimmune disease in the gut...
August 15, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28808878/role-of-intestinal-microbiome-in-american-ginseng-mediated-colon-cancer-protection-in-high-fat-diet-fed-aom-dss-mice
#10
C-Z Wang, W-H Huang, C-F Zhang, J-Y Wan, Y Wang, C Yu, S Williams, T-C He, W Du, M W Musch, E B Chang, C-S Yuan
OBJECTIVE: Chronic intestinal inflammation is a risk factor for colorectal cancer (CRC) initiation and development. Diets that are rich in Western style fats have been shown to promote CRC. This study was conducted to investigate the role of intestinal microbiome in American ginseng-mediated CRC chemoprevention in a mouse model. The population and diversity of enteric microbiome were evaluated after the ginseng treatment. METHODS: Using an azoxymethane (AOM)/dextran sulfate sodium (DSS)-induced gut inflammation and tumorigenesis mouse model, the effects of oral American ginseng on high fat diet-associated enteric pathology were determined...
August 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28808503/prognostic-efficacy-of-inflammation-based-markers-in-patients-with-curative-colorectal-cancer-resection
#11
Özgür Akgül, Erdinç Çetinkaya, Metin Yalaza, Sabri Özden, Mesut Tez
AIM: To evaluate the prognostic significance of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to-monocyte ratio (LMR), and prognostic nutritional index (PNI) and other clinicopathological factors in patients undergoing curative resection of colon cancer. METHODS: 183 patients with histologically proven colorectal cancer who had undergone potentially curative resection between 2010 and 2016 at Ankara Numune Training and Research Hospital were retrospectively analyzed and clinicopathological characteristics included age, sex, tumor type, grade, size and localization, the number of metastatic and total number of lymph nodes removed, vascular and perineural invasion of the tumor, TNM stages, tumor marker levels (CEA, CA19-9, AFP, CA-125, CA15-3), complete blood counts, albumin levels, overall survival (months), NLR, PLR, LMR and PNI ratios were retrospectively reviewed and analyzed from the electronic database...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808404/in-vitro-antioxidant-and-antiproliferative-activities-of-various-solvent-fractions-from-clerodendrum-viscosum-leaves
#12
Anil Khushalrao Shendge, Tapasree Basu, Dipankar Chaudhuri, Sourav Panja, Nripendranath Mandal
BACKGROUND: Free radicals such as reactive oxygen and nitrogen species, generated in the body, play an important role in the fulfillment of various physiological functions but their imbalance in the body lead to cellular injury and various clinical disorders such as cancer, neurodegenaration, and inflammation. OBJECTIVE: The objective of this study is to fight this problem, natural antioxidant from plants can be considered as possible protective agents against various diseases such as cancer which might also modify the redox microenvironment to reduce the genetic instability...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807688/hypochlorous-acid-induced-structural-and-conformational-modifications-in-human-dna-a-multi-spectroscopic-study
#13
Irfan Qadir Tantry, Sana Waris, Safia Habib, Rizwan Hasan Khan, Riaz Mahmood, Asif Ali
Hypochlorous acid (HOCl) is generated by activated phagocytes at the site of inflammation. Exposure of DNA to HOCl results in base and nucleotide modifications causing DNA damage, which is one of the leading causes of various pathological conditions including carcinogenesis. In the present work, various biophysical techniques were used to study HOCl induced structural and conformational changes in human placental DNA. The HOCl modified DNA showed hyperchromicity, reduced fluorescence and decrease in melting temperature...
August 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28807072/clavicle-fracture-with-osteomyelitis-after-neck-dissection-and-post-operative-radiotherapy-case-report
#14
R Shodo, Y Sato, H Ota, A Horii
BACKGROUND: Non-traumatic bone fractures in cancer patients are usually pathological fractures due to bone metastases. In head and neck cancer patients, clavicle stress fractures may occur as a result of atrophy of the trapezius muscle after neck dissection in which the accessory nerve becomes structurally or functionally damaged. CASE REPORT: A 71-year-old man underwent modified radical neck dissection with accessory nerve preservation and post-operative radiotherapy for submandibular lymph node metastases of tongue cancer...
August 15, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28805194/-lung-cancer-and-copd-growing-clinical-problem
#15
EDITORIAL
Michal Tyl, Joanna Domagała-Kulawik
A spread of the addiction of tobacco smoking is valued on near 1 billion of people in the world, that involves growing number of morbidity and mortality by the reason of smoke related diseases. Lung cancer and chronic obstructive pulmonary disease (COPD) are the most serious and incurable diseases which are leading to a permanent disability as well as to premature death. There are factors that naturally increase the vulnerability of an individual on the coincidence of above disorders, such as pathophysiological conditions, systemic inflammation, bronchitis, emphysema, respiratory obstructive disease and precise genetic predispositions for COPD and lung cancer...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28804688/pivotal-regulators-of-tissue-homeostasis-and-cancer-macrophages
#16
REVIEW
Yulei Chen, Xiaobo Zhang
Macrophages are an essential component of innate immunity and play a vital role in inflammation and host defense. Based on immunological responses, the macrophages are classified into "activated" macrophage (M1 macrophages) participating in the responses of type I helper T (Th1) cells to pathogens and "alternatively activated" macrophages (M2 macrophages) in response to interleukin (IL)-4 and IL-13. In this review, we discuss the origin, classification and function of macrophages. We also discuss the mechanisms underlying polarization of different macrophage subtypes, including transcriptional, epigenetic and post-transcriptional regulation...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28804463/effect-of-oral-docosahexaenoic-acid-dha-supplementation-on-dha-levels-and-omega-3-index-in-red-blood-cell-membranes-of-breast-cancer-patients
#17
Alessio Molfino, Maria I Amabile, Sara Mazzucco, Gianni Biolo, Alessio Farcomeni, Cesarina Ramaccini, Simonetta Antonaroli, Massimo Monti, Maurizio Muscaritoli
Rationale: Docosahexaenoic acid (DHA) in cell membrane may influence breast cancer (BC) patients' prognosis, affecting tumor cells sensitivity to chemo- and radio-therapy and likely modulating inflammation. The possibility of identifying BC patients presenting with low DHA levels and/or low ability of DHA incorporation into cell membrane might help to treat this condition. Methods: We enrolled BC patients and healthy controls, recording their seafood dietary intake. DHA in form of algal oil was administered for 10 consecutive days (2 g/day)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28803964/tgf%C3%AE-smad-signalling-modulates-mll-and-mll-af4-mediated-5-lipoxygenase-promoter-activation
#18
Meike J Saul, Florian Groher, Anett B Hegewald, Michaela Müller-McNicoll, Rolf Marschalek, Beatrix Suess, Dieter Steinhilber
5-Lipoxygenase (5-LO) catalyzes the initial two steps of the conversion of arachidonic acid to leukotrienes which represent a group of pro-inflammatory lipid mediators involved in immune defense reactions as well as inflammation, allergy and cancer. Transforming growth factor-β (TGFβ) and calcitriol strongly upregulate 5-LO expression during myeloid cell differentiation and MLL-AF4 has been shown to strongly activate the 5-LO promoter. Here, we investigated the role of TGFβ/SMAD signalling in 5-LO promoter activation...
August 10, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28803091/depression-a-major-contributor-to-poor-quality-of-life-in-patients-with-advanced-cancer
#19
K S Grotmol, H C Lie, M J Hjermstad, N Aass, D Currow, S Kaasa, T Å Moum, A Pigni, J H Loge
CONTEXT: Quality of life (QoL) and depression are important patient-reported outcomes in cancer care. However, the relative importance of depression severity in predicting QoL remains unclear due to few methodologically sound studies. OBJECTIVES: To examine whether depression contributes to impairment of QoL irrespective of prognostic factors and symptom burden. METHODS: 563 patients were included from the European Palliative Care Research Collaborative Study (EPCRC-CSA), an international, multi-centre, cross-sectional study...
August 9, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28802237/umbelliferon-%C3%AE-d-glucopyranosyl-2-i-%C3%A2-1-ii-%C3%AE-dglucopyranoside-ameliorates-diethylnitrosamine-induced-precancerous-lesion-development-in-liver-via-regulation-of-inflammation-hyperproliferation-and-antioxidant-at-pre-clinical-stage
#20
Vikas Kumar, Prakash Chandra Bhatt, Mahfoozur Rahman, Fahad A Al-Abbasi, Firoz Anwar, Amita Verma
It is well documented that anomalous production of inflammatory proteins linked with most of the toxic expression and genesis of diverse chronic disease including cancer. Diethylnitrosamine (DEN) a well-known hepatotoxin and hepatocarcinogen, can induce oxidative stress and inflammatory reaction in it. Umbelliferone, secondary metabolites, is present in different plants and widely consumed by humans as medicine and food supplements. The aim of the current study was to scrutinize the chemoprotective potential of umbelliferon-α-d-glucopyranosyl-(2(I)→1(II))-α-d-glucopyranoside (UFD) against DEN-induced hepatocellular carcinoma (HCC) in experimental rats...
August 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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