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https://www.readbyqxmd.com/read/28738076/the-comparison-of-chca-solvent-compositions-for-improving-lc-maldi-performance-and-its-application-to-study-the-impact-of-aflatoxin-b1-on-the-liver-proteome-of-diabetes-mellitus-type-1-mice
#1
Fuu-Jen Tsai, Shih-Yin Chen, Yu-Ching Liu, Hsin-Yi Liao, Chao-Jung Chen
In nanoflow liquid chromatography-matrix-assisted laser desorption/ionization tandem time-of-flight (nanoLC-MALDI-TOF/TOF) approaches, it is critical to directly apply small amounts of the sample elutes on the sample target using a nanoLC system due to its low flow rate of 200 ~ 300 nl/min. It is recommended to apply a sheath liquid containing a matrix with a several μL/min flow rate at the end of the nanoLC column to ensure a larger co-eluted droplet for more reproducible sample spotting and avoid the laborious task of post-manual matrix spotting...
2017: PloS One
https://www.readbyqxmd.com/read/28733869/bmi-is-a-risk-factor-for-colorectal-cancer-mortality
#2
Aasma Shaukat, Allison Dostal, Jeremiah Menk, Timothy R Church
BACKGROUND: The relationship between dietary and lifestyle risk factors and long-term mortality from colorectal cancer is poorly understood. Several factors, such as obesity, intakes of red meat, and use of aspirin, have been reported to be associated with risk of colorectal cancer mortality, though these findings have not been replicated in all studies to date. METHODS: In the Minnesota Colon Cancer Control Study, 46,551 participants 50-80 years old were randomly assigned to usual care (control) or annual or biennial screening by fecal occult blood testing...
July 21, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28730707/establishment-and-characterization-of-a-novel-murine-model-of-pancreatic-cancer-cachexia
#3
Katherine A Michaelis, Xinxia Zhu, Kevin G Burfeind, Stephanie M Krasnow, Peter R Levasseur, Terry K Morgan, Daniel L Marks
BACKGROUND: Cachexia is a complex metabolic and behavioural syndrome lacking effective therapies. Pancreatic ductal adenocarcinoma (PDAC) is one of the most important conditions associated with cachexia, with >80% of PDAC patients suffering from the condition. To establish the cardinal features of a murine model of PDAC-associated cachexia, we characterized the effects of implanting a pancreatic tumour cell line from a syngeneic C57BL/6 KRAS(G12D) P53(R172H) Pdx-Cre(+/+) (KPC) mouse...
July 20, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28710147/dietary-guidelines-for-breast-cancer-patients-a-critical-review
#4
REVIEW
Ana Teresa Limon-Miro, Veronica Lopez-Teros, Humberto Astiazaran-Garcia
Current dietary guidelines for breast cancer patients (BCPs) fail to address adequate dietary intakes of macro- and micronutrients that may improve patients' nutritional status. This review includes information from the PubMed and Biomed Central databases over the last 15 y concerning dietary guidelines for BCPs and the potential impact of a personalized, nutrient-specific diet on patients' nutritional status during and after antineoplastic treatment. Results indicated that BCPs should receive a nutritional assessment immediately after diagnosis...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28679552/randomized-controlled-trial-of-dietary-fiber-for-the-prevention-of-radiation-induced-gastrointestinal-toxicity-during-pelvic-radiotherapy
#5
Linda Wedlake, Clare Shaw, Helen McNair, Amyn Lalji, Kabir Mohammed, Tanya Klopper, Lindsey Allan, Diana Tait, Maria Hawkins, Navita Somaiah, Susan Lalondrelle, Alexandra Taylor, Nicholas VanAs, Alexandra Stewart, Sharadah Essapen, Heather Gage, Kevin Whelan, H Jervoise N Andreyev
Background: Therapeutic radiotherapy is an important treatment of pelvic cancers. Historically, low-fiber diets have been recommended despite a lack of evidence and potentially beneficial mechanisms of fiber.Objective: This randomized controlled trial compared low-, habitual-, and high-fiber diets for the prevention of gastrointestinal toxicity in patients undergoing pelvic radiotherapy.Design: Patients were randomly assigned to low-fiber [≤10 g nonstarch polysaccharide (NSP)/d], habitual-fiber (control), or high-fiber (≥18 g NSP/d) diets and received individualized counseling at the start of radiotherapy to achieve these targets...
July 5, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28678523/nutritional-biomarkers-current-view-and-future-perspectives
#6
Shubhra Pande, Valentina A Kratasyuk, Nadezhda N Medvedeva, Oxana A Kolenchukova, Alla B Salmina
There is a poor relationship between nutrient intake and existing nutritional biomarkers due to variety of factors affecting their sensitivity and specificity. To explore the impact of nutrients at molecular level and devising a sensitive biomarker, proteomics is a central technology with sirtuins as one of the most promising nutritional biomarker. Sirtuins (seven mammalian sirtuins reported so far), have been reported to perform protein deacetylases and ADP-ribosyltransferases activity. It is distributed in different cellular compartments thereby controlling several metabolic processes...
July 5, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28676564/calcium-intake-and-risk-of-colorectal-cancer-according-to-expression-status-of-calcium-sensing-receptor-casr
#7
Wanshui Yang, Li Liu, Yohei Masugi, Zhi Rong Qian, Reiko Nishihara, NaNa Keum, Kana Wu, Stephanie Smith-Warner, Yanan Ma, Jonathan A Nowak, Fatemeh Momen-Heravi, Libin Zhang, Michaela Bowden, Teppei Morikawa, Annacarolina da Silva, Molin Wang, Andrew T Chan, Charles S Fuchs, Jeffrey A Meyerhardt, Kimmie Ng, Edward Giovannucci, Shuji Ogino, Xuehong Zhang
OBJECTIVE: Although evidence suggests an inverse association between calcium intake and the risk of colorectal cancer, the mechanisms remain unclear. The calcium-sensing receptor (CASR) is expressed abundantly in normal colonic epithelium and may influence carcinogenesis. We hypothesized that calcium intake might be associated with lower risk of CASR-positive, but not CASR-negative, colorectal cancer. DESIGN: We assessed tumour CASR protein expression using immunohistochemistry in 779 incident colon and rectal cancer cases that developed among 136 249 individuals in the Nurses' Health Study and Health Professionals Follow-Up Study...
July 4, 2017: Gut
https://www.readbyqxmd.com/read/28673024/ancestry-adjusted-vitamin-d-metabolite-concentrations-in-association-with-cytochrome-3a-cyp3a-polymorphisms
#8
Robin Taylor Wilson, Loren D Masters, Jill S Barnholtz-Sloan, Anna C Salzberg, Terryl J Hartman
This study investigates the association between genetic polymorphisms in CYP2R1, CYP24A1 and the CYP3A family with non-summer plasma concentrations of 25(OH)D3 and proportion 24,25(OH)2D3 among healthy individuals of Sub-Saharan African and European ancestry matched on age (±5 years; n = 188 in each ancestral group) in central suburban Pennsylvania (2006-09). Vitamin D metabolites were measured using high-performance liquid chromatography/tandem mass spectrometry. Paired multiple regression and adjusted least square means analyses were used to test for associations between genotype and log-transformed metabolite concentrations, adjusted for age, sex, West African genetic ancestry proportion, body mass index, oral contraceptive (OC) use, tanning bed use, vitamin D intake, days from summer solstice, time of day, and isoforms of the vitamin D receptor (VDR) and vitamin D binding protein...
June 30, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28659302/higher-dietary-cholesterol-and-%C3%AF-3-fatty-acid-intakes-are-associated-with-a-lower-success-rate-of-helicobacter-pylori-eradication-therapy-in-japan
#9
Hiroaki Ikezaki, Norihiro Furusyo, Paul F Jacques, Motohiro Shimizu, Masayuki Murata, Ernst J Schaefer, Yoshihisa Urita, Jun Hayashi
Background:Helicobacter pylori infection is a known risk factor for duodenal ulcers, gastritis, and gastric cancer. The eradication of H. pylori is successful in treating these disorders; however, the success rate of eradication therapy is declining. There may be an interaction with nutrient intake to account for this decline.Objective: We investigated the influence of food and nutrient intake on H. pylori eradication therapy.Design: In this study, 4014 subjects underwent endoscopy, were tested for serum antibodies to H...
June 28, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28656470/effectiveness-of-intervention-with-a-perioperative-multidisciplinary-support-team-for-radical-esophagectomy
#10
Yuji Akiyama, Takeshi Iwaya, Fumitaka Endo, Yoshihiro Shioi, Motoi Kumagai, Takeshi Takahara, Koki Otsuka, Hiroyuki Nitta, Keisuke Koeda, Masaru Mizuno, Yusuke Kimura, Kenji Suzuki, Akira Sasaki
PURPOSE: We aimed to evaluate the effectiveness of intervention by a perioperative multidisciplinary support team for radical esophagectomy for esophageal cancer. METHODS: We retrospectively reviewed 85 consecutive patients with esophageal cancer who underwent radical esophagectomy via right thoracotomy or thoracoscopic surgery with gastric tube reconstruction. Twenty-one patients were enrolled in the non-intervention group (group N) from May 2011 to September 2012, 31 patients in the perioperative rehabilitation group (group R) from October 2012 to April 2014, and 33 patients in the multidisciplinary support team group (group S) from May 2014 to September 2015...
June 28, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28651827/effects-of-nutrition-and-physical-exercise-intervention-in-palliative-cancer-patients-a-randomized-controlled-trial
#11
Alexandra Uster, Maya Ruehlin, Stefanie Mey, David Gisi, Ruud Knols, Reinhard Imoberdorf, Miklos Pless, Peter E Ballmer
BACKGROUND & AIMS: Cancer cachexia is multifactorial and should be targeted using a multimodal form of intervention. The purpose of the present trial was to test the effects of a combined nutrition and physical exercise program on cancer patients with metastatic or locally advanced tumors of the gastrointestinal and lung tracts. METHODS: Patients were randomized into two groups: One group received a minimum of three standardized individual nutritional counselling sessions and participated in a 60-min exercise program twice a week...
June 8, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28650662/glucose-restriction-combined-with-autophagy-inhibition-and-chemotherapy-in-hct-116-spheroids-decreases-cell-clonogenicity-and-viability-regulated-by-tumor-suppressor-genes
#12
Monica M Schroll, Gabriel J LaBonia, Katelyn R Ludwig, Amanda B Hummon
Drug resistance is a prevalent phenomenon that decreases the efficacy of cancer treatments and contributes to cancer progression and metastasis. Weakening drug-resistant cancer cells prior to chemotherapy is a potential strategy to combat chemoresistance. One approach to damage resistant cancer cells is modulation of nutritional intake. The combination of nutrient restriction with targeted compound treatment results in pronounced molecular changes. This study provides valuable information about augmenting existing chemotherapeutic regimes with simultaneous glucose restriction and autophagy inhibition in colorectal cancer cells...
July 3, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28646365/post-diagnosis-serum-insulin-like-growth-factors-in-relation-to-dietary-and-lifestyle-changes-in-the-prostate-testing-for-cancer-and-treatment-protect-trial
#13
Vanessa Er, Kalina Biernacka, Andrew J Simpkin, Richard M Martin, Mona Jeffreys, Pauline Emmett, Rebecca Gilbert, Kerry N L Avery, Eleanor Walsh, Michael Davis, Jenny L Donovan, David E Neal, Freddie C Hamdy, Jeff M P Holly, J Athene Lane
PURPOSE: The insulin-like growth factor (IGF) system is modifiable by diet and lifestyle, and has been linked to prostate cancer development and progression. METHODS: We conducted a prospective cohort study of 621 men diagnosed with localized prostate cancer to investigate the associations of dietary and lifestyle changes with post-diagnosis circulating levels of IGF-I and IGFBP-3. We used analysis of covariance to estimate the associations, controlling for baseline IGF-I or IGFBP-3, respectively...
August 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28641532/trimethylamine-n-oxide-tmao-as-a-new-potential-therapeutic-target-for-insulin-resistance-and-cancer
#14
Jens Oellgaard, Signe Abitz Winther, Tobias Schmidt Hansen, Peter Rossing, Bernt Johan von Scholten
BACKGROUND: The intake of animal products in food has been associated with both the development of insulin resistance and gastrointestinal cancers (GIC). Through the digestion of animal protein and other constituents of animal products, the commensal bacteria in the gut (the gut microbiota) forms metabolites that can contribute to the development of both insulin resistance and cancer. Trimethylamine-N-Oxide (TMAO) is such a molecule and has recently drawn a lot of attention as it may be a risk factor for - and a link between - the gut microbiota and cardiovascular and renal disease...
June 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28628401/dietary-red-and-processed-meat-intake-and-markers-of-adiposity-and-inflammation-the-multiethnic-cohort-study
#15
Weiwen Chai, Yukiko Morimoto, Robert V Cooney, Adrian A Franke, Yurii B Shvetsov, Loïc Le Marchand, Christopher A Haiman, Laurence N Kolonel, Marc T Goodman, Gertraud Maskarinec
OBJECTIVE: The potential influence of dietary factors on inflammation is important for cancer prevention. Utilizing data from control participants (312 men, 911 women) in 2 nested case-control studies of cancer within the Multiethnic Cohort, we examined the associations of red and processed meat intake with serum levels of leptin, adiponectin, C-reactive protein (CRP), tumor necrosis factor (TNF)-α, and interleukin (IL)-6 and the mediator effect of body mass index (BMI) on the above associations (if present)...
July 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28628373/association-between-urinary-phytoestrogens-and-c-reactive-protein-in-the-continuous-national-health-and-nutrition-examination-survey
#16
Michael K Reger, Terrell W Zollinger, Ziyue Liu, Josette Jones, Jianjun Zhang
OBJECTIVE: A reduced risk of some cancers and cardiovascular disease associated with phytoestrogen intake may be mediated through its effect on serum C-reactive protein (CRP; an inflammation biomarker). Therefore, this study examined the associations between urinary phytoestrogens and serum CRP. METHODS: Urinary phytoestrogen and serum CRP data obtained from 6009 participants aged ≥ 40 years in the continuous National Health and Nutrition Examination Survey during 1999-2010 were analyzed...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28627240/quercetin-has-antimetastatic-effects-on-gastric-cancer-cells-via-the-interruption-of-upa-upar-function-by-modulating-nf-%C3%AE%C2%BAb-pkc-%C3%AE-erk1-2-and-ampk%C3%AE
#17
Hai Li, Chen Chen
Gastric cancer (GC) is a malignancy with few effective treatment options after metastasis occurs. Quercetin (Qu) intake has been associated with reduced incidence and slow development of GC, probably due to its anti-proliferative and apoptotic effects, but it is unclear whether Qu can inhibit the metastatic activity. The urokinase plasminogen activator (uPA)/uPA receptor (uPAR) system plays an important role in cancer metastasis. In this study, we measured both uPA activity and uPAR expression in GC and pericarcinous tissues, and we investigated the correlation between uPAR expression and the migratory and invasive activities of various GC cell lines...
March 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28612982/anticancer-effects-of-oleuropein
#18
REVIEW
Hesham Shamshoum, Filip Vlavcheski, Evangelia Tsiani
Cancer cells exhibit enhanced proliferation rate and a resistance to apoptosis. Epidemiological studies suggest that olive oil intake is associated with a reduced risk of cancer. Olive oil, olives, and olive leaves contain many polyphenols, including oleuropein. Recently, several studies have demonstrated that oleuropein inhibits proliferation and induces apoptosis in different cancer cell lines. In addition, anticancer effects of oleuropein have been seen in animal studies. These effects are associated with oleuropein's ability to modulate gene expression and activity of a variety of different signaling proteins that play a role in proliferation and apoptosis...
June 14, 2017: BioFactors
https://www.readbyqxmd.com/read/28608828/kaempherol-and-luteolin-decrease-claudin-2-expression-mediated-by-inhibition-of-stat3-in-lung-adenocarcinoma-a549-cells
#19
Hiroyuki Sonoki, Asami Tanimae, Satoshi Endo, Toshiyuki Matsunaga, Takumi Furuta, Kenji Ichihara, Akira Ikari
Claudin-2 is highly expressed in human lung adenocarcinoma tissues and may be a novel target for cancer chemotherapy because knockdown of claudin-2 decreases cell proliferation. We found that flavonoids including kaempferol, chrysin, and luteolin concentration-dependently decrease claudin-2 expression in lung adenocarcinoma A549 cells. Claudin-2 expression is up-regulated by mitogen-activated protein kinase kinase (MEK)/ extracellular signal-regulated kinase (ERK)/c-Fos and phosphoinositide 3-kinase (PI3K)/Akt/nuclear factor-κB (NF-κB) pathways, but these activities were not inhibited by kaempferol, chrysin, and luteolin...
June 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28596684/insulin-like-growth-factor-1-igf-binding-protein-3-and-the-risk-of-esophageal-cancer-in-a-nested-case-control-study
#20
Yasushi Adachi, Masanori Nojima, Mitsuru Mori, Kentaro Yamashita, Hiro-O Yamano, Hiroshi Nakase, Takao Endo, Kenji Wakai, Kiyomi Sakata, Akiko Tamakoshi
AIM: To assess the relationship between serum levels of insulin-like growth factor-1 (IGF1)/IGF-binding protein-3 (IGFBP3) and the risk of esophageal carcinoma. METHODS: We assessed the relationship between the serum levels of these molecules and the risk of esophageal cancer in a prospective, nested case-control study of participants from the Japan Collaborative Cohort Study. A baseline survey was conducted from 1988 to 1990. Of the 110585 enrolled participants, 35% donated blood samples...
May 21, 2017: World Journal of Gastroenterology: WJG
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