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https://www.readbyqxmd.com/read/28930171/comprehensive-evaluation-of-tff3-promoter-hypomethylation-and-molecular-biomarker-potential-for-prostate-cancer-diagnosis-and-prognosis
#1
Maibritt Nørgaard, Christa Haldrup, Tine Maj Storebjerg, Else Marie Vestergaard, Peter J Wild, Søren Høyer, Michael Borre, Torben Falck Ørntoft, Karina Dalsgaard Sørensen
Overdiagnosis and overtreatment of clinically insignificant tumors remains a major problem in prostate cancer (PC) due to suboptimal diagnostic and prognostic tools. Thus, novel biomarkers are urgently needed. In this study, we investigated the biomarker potential of Trefoil factor 3 (TFF3) promoter methylation and RNA expression levels for PC. Initially, by quantitative methylation specific PCR (qMSP) analysis of a large radical prostatectomy (RP) cohort (n = 292), we found that the TFF3 promoter was significantly hypomethylated in PC compared to non-malignant (NM) prostate tissue samples (p < 0...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28901375/microrna-7-5p-regulates-the-proliferation-and-migration-of-intestinal-epithelial-cells-by-targeting-trefoil-factor-3-via-inhibiting-the-phosphoinositide-3-kinase-akt-signalling-pathway
#2
Jing Guo, Lingfen Xu, Xu Teng, Mei Sun
Trefoil factor 3 (TFF3) reconstructs the epithelial barrier by stimulating epithelial cell migration and proliferation, and significantly contributes to intestinal mucosal damage and healing. In a previous study, TFF3 was identified as a novel target of microRNA-7-5p (miR-7-5p). The aim of the present study was to investigate the roles and mechanisms of miR-7-5p in the proliferation and migration of intestinal epithelial cells. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed to determine the expression level of miR-7-5p in the experimental groups...
September 6, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28877911/hepatic-gale-regulates-whole-body-glucose-homeostasis-by-modulating-tff3-expression
#3
Yi Zhu, Shangang Zhao, Yingfeng Deng, Ruth Gordillo, Alexandra L Ghaben, Mengle Shao, Fang Zhang, Ping Xu, Yang Li, Huachuan Cao, Olga Zagnitko, David A Scott, Rana K Gupta, Chao Xing, Bei B Zhang, Hua V Lin, Philipp E Scherer
Transcripts of key enzymes in the Leloir pathway of galactose metabolism in mouse livers are significantly increased after chronic high-fat high-sucrose feeding. UDP-galactose-4-epimerase (GALE) is the last enzyme in this pathway that converts UDP-galactose to UDP-glucose and was previously identified as a downstream target of the endoplasmic reticulum (ER) stress effector spliced X-box binding protein 1, suggesting an interesting crosstalk between galactose and glucose metabolism in the context of hepatic ER stress and whole body metabolic fitness...
September 6, 2017: Diabetes
https://www.readbyqxmd.com/read/28861518/butyrate-supplementation-at-high-concentrations-alters-enteric-bacterial-communities-and-reduces-intestinal-inflammation-in-mice-infected-with-citrobacter-rodentium
#4
Janelle A Jiminez, Trina C Uwiera, D Wade Abbott, Richard R E Uwiera, G Douglas Inglis
Butyrate is a short-chain fatty acid by-product of the microbial fermentation of dietary fermentable materials in the large intestine; it is the main energy source for enterocyte regeneration, modulates the enteric microbial community, and contributes to increasing host health via mechanisms that are relatively poorly defined. Limited research has examined the therapeutic potential of butyrate using models of enteric inflammation incited by pathogenic organisms. We used Citrobacter rodentium to incite acute Th1/Th17 inflammation to ascertain the impact of butyrate on the host-microbiota relationship...
July 2017: MSphere
https://www.readbyqxmd.com/read/28792520/comparison-of-porous-and-nano-zinc-oxide-for-replacing-high-dose-dietary-regular-zinc-oxide-in-weaning-piglets
#5
Lina Long, Jiashun Chen, Yonggang Zhang, Xiao Liang, Hengjia Ni, Bin Zhang, Yulong Yin
The aim of this study was to compare the effect of dietary supplementation with low dose of porous and nano zinc oxide (ZnO) on weaning piglets, and to evaluate the possibility of using them as an alternative to high dose of regular ZnO. Piglets were randomly allocated into four treatment groups fed with four diets: (1) basal diet (NC), (2) NC+ 3000 mg/kg ZnO (PC), (3) NC + 500 mg/kg porous ZnO (HiZ) and (4) NC + 500 mg/kg nano ZnO (ZNP). The result showed that piglets in HiZ group had less diarrhea than ZNP group (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28726036/proteolytic-effects-of-gingipains-on-trefoil-factor-family-peptides
#6
Ponlatham Chaiyarit, Janthima Jaresitthikunchai, Narumon Phaonakrop, Sittiruk Roytrakul, Barbara Potempa, Jan Potempa
OBJECTIVES: The present study was aimed to determine whether trefoil factor family (TFF) peptides which were generally considered to be resistant to proteolysis could be digested by gingipains, a major proteinases produced by Porphyromonas gingivalis. MATERIALS AND METHODS: Recombinant human TFF1, TFF2, and TFF3 peptides were used as substrates. Gingipains including arginine gingipain (RgpB) and lysine gingipain (Kgp) were used as enzymes. Trypsin was used as a control protease...
July 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28709869/protective-effect-of-bacillopeptidase-cfr5-from-bacillus-subtilis-cfr5-on-cerulein-induced-pancreatitis
#7
G R Sharmila, G Venkateswaran
Bacillopeptidase is a serine peptidase, known for its fibrinolytic activity. However, a very little information is known about its in vivo inflammatory and/or anti-inflammatory properties. Thus, to understand whether bacillopeptidase incorporation can regulate pancreatitis or not, the cerulein-induced pancreatitis model was used, and the role of bacillopeptidase on pancreatitis was studied. In this study, 46 kDa protein was purified from Bacillus subtilis and identified as bacillopeptidase CFR5 (BPC) through MS/MS analysis...
September 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28691258/differences-between-gastric-signet-ring-cell-carcinoma-and-poorly-differentiated-adenocarcinoma-a-comparison-of-histopathologic-features-determined-by-mucin-core-protein-and-trefoil-factor-family-peptide-immunohistochemistry
#8
Ai Fujimoto, Yukio Ishikawa, Toshiharu Ishii, Akihiro Yamada, Yoshinori Igarashi, Yasukazu Ohmoto, Mitsuru Kaise
We investigated differences between the pathological features of gastric signet-ring cell carcinoma (sig) and poorly differentiated adenocarcinoma (por) by examining the expressions of the trefoil factor family peptides (TFFs) and mucin core proteins (MUCs). Ninety-seven tissues of 97 gastric cancer patients were selected for this study. After gastrectomy, the major histopathologic types were determined to be sig, solid-type poorly differentiated adenocarcinoma (por1), non-solid type poorly differentiated adenocarcinoma (por2), and well-differentiated tubular adenocarcinoma (tub1)...
August 2017: Pathology International
https://www.readbyqxmd.com/read/28687783/serum-tff1-and-tff3-but-not-tff2-are-higher-in-women-with-breast-cancer-than-in-women-without-breast-cancer
#9
Yuko Ishibashi, Hiroshi Ohtsu, Masako Ikemura, Yasuko Kikuchi, Takayoshi Niwa, Kotoe Nishioka, Yoshihiro Uchida, Hirona Miura, Susumu Aikou, Toshiaki Gunji, Nobuyuki Matsuhashi, Yasukazu Ohmoto, Takeshi Sasaki, Yasuyuki Seto, Toshihisa Ogawa, Keiichiro Tada, Sachiyo Nomura
Breast cancer remains a common malignancy in women, but the take-up for breast cancer screening programs in Japan is still low, possibly due to its perceived inconvenience. TFF1 and TFF3 are expressed in both breast cancer tissue and normal breast. Serum trefoil proteins were reported as cancer screening markers for gastric, prostate, lung, pancreatic cancer and cholangio carcinoma. The purpose of this study was to examine whether serum trefoil proteins could be screening biomarkers for breast cancer. Serum trefoil proteins in 94 breast cancer patients and 84 health check females were measured by ELISA...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640195/pharmacogenomic-variants-may-influence-the-urinary-excretion-of-novel-kidney-injury-biomarkers-in-patients-receiving-cisplatin
#10
Cara Chang, Yichun Hu, Susan L Hogan, Nickie Mercke, Madeleine Gomez, Cindy O'Bryant, Daniel W Bowles, Blessy George, Xia Wen, Lauren M Aleksunes, Melanie S Joy
Nephrotoxicity is a dose limiting side effect associated with the use of cisplatin in the treatment of solid tumors. The degree of nephrotoxicity is dictated by the selective accumulation of cisplatin in renal tubule cells due to: (1) uptake by organic cation transporter 2 (OCT2) and copper transporter 1 (CTR1); (2) metabolism by glutathione S-transferases (GSTs) and γ-glutamyltransferase 1 (GGT1); and (3) efflux by multidrug resistance-associated protein 2 (MRP2) and multidrug and toxin extrusion protein 1 (MATE1)...
June 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28627600/microrna%C3%A2-7%C3%A2-5p-regulates-the-expression-of-tff3-in-inflammatory-bowel-disease
#11
Jing Guo, Mei Sun, Xu Teng, Lingfen Xu
Trefoil factor 3 (TFF3) serves an important role in intestinal mucosal damage and healing, and contributes to the pathogenesis and treatment of inflammatory bowel disease (IBD). The aim of the present study was to determine the association between TFF3 and microRNA‑7‑5p (miR‑7‑5p) in IBD. Tissue immunohistochemistry was applied to evaluate the relative expression of TFF3, and reverse transcription‑quantitative polymerase chain reaction was performed to determine the expression of miR‑7‑5p in lesional tissue obtained from patients with IBD and healthy control tissues...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28622693/release-of-her2-repression-of-trefoil-factor-3-tff3-expression-mediates-trastuzumab-resistance-in-her2-er-mammary-carcinoma
#12
Qing-Yun Chong, Ming-Liang You, Vijay Pandey, Arindam Banerjee, Yi-Jun Chen, Han-Ming Poh, Mengyi Zhang, Lan Ma, Tao Zhu, Basappa, Liang Liu, Peter E Lobie
HER2+/ER+ breast cancer, a subset of the luminal B subtype, makes up approximately 10% of all breast cancers. The bidirectional crosstalk between HER2 and estrogen receptor (ER) in HER2+/ER+ breast cancer contributes to resistance towards both anti-estrogens and HER2-targeted therapies. TFF3 promotes breast cancer progression and has been implicated in anti-estrogen resistance in breast cancer. Herein, we investigated the cross-regulation between HER2 and estrogen-responsive TFF3, and the role of TFF3 in mediating trastuzumab resistance in HER2+/ER+ breast cancer...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28622393/giardia-co-infection-promotes-the-secretion-of-antimicrobial-peptides-beta-defensin-2-and-trefoil-factor-3-and-attenuates-attaching-and-effacing-bacteria-induced-intestinal-disease
#13
Anna Manko, Jean-Paul Motta, James A Cotton, Troy Feener, Ayodele Oyeyemi, Bruce A Vallance, John L Wallace, Andre G Buret
Our understanding of polymicrobial gastrointestinal infections and their effects on host biology remains incompletely understood. Giardia duodenalis is an ubiquitous intestinal protozoan parasite infecting animals and humans. Concomitant infections with Giardia and other gastrointestinal pathogens commonly occur. In countries with poor sanitation, Giardia infection has been associated with decreased incidence of diarrheal disease and fever, and reduced serum inflammatory markers release, via mechanisms that remain obscure...
2017: PloS One
https://www.readbyqxmd.com/read/28604600/transcriptional-responses-in-the-murine-spleen-after-toxoplasma-gondii-infection-inflammasome-and-mucus-associated-genes
#14
Eva B Znalesniak, Ting Fu, Franz Salm, Ulrike Händel, Werner Hoffmann
The spleen plays an important role in coordinating both adaptive and innate immune responses. Here, the transcriptional response to T. gondii infection in the murine spleen was characterized concerning inflammasome sensors (two different models: seven days after oral or four weeks after intraperitoneal infection). Additionally, Tff1(KO) and Tff3(KO) mice were investigated because TFF genes are often upregulated during inflammation. The expression of the pattern-recognition receptors Nlrp3, Nlrp12, and Nlrp1a was significantly increased after infection...
June 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28574441/gene-expression-mrna-markers-for-differentiating-between-malignant-and-benign-follicular-thyroid-tumours
#15
Bartosz Wojtas, Aleksandra Pfeifer, Malgorzata Oczko-Wojciechowska, Jolanta Krajewska, Agnieszka Czarniecka, Aleksandra Kukulska, Markus Eszlinger, Thomas Musholt, Tomasz Stokowy, Michal Swierniak, Ewa Stobiecka, Ewa Chmielik, Dagmara Rusinek, Tomasz Tyszkiewicz, Monika Halczok, Steffen Hauptmann, Dariusz Lange, Michal Jarzab, Ralf Paschke, Barbara Jarzab
Distinguishing between follicular thyroid cancer (FTC) and follicular thyroid adenoma (FTA) constitutes a long-standing diagnostic problem resulting in equivocal histopathological diagnoses. There is therefore a need for additional molecular markers. To identify molecular differences between FTC and FTA, we analyzed the gene expression microarray data of 52 follicular neoplasms. We also performed a meta-analysis involving 14 studies employing high throughput methods (365 follicular neoplasms analyzed). Based on these two analyses, we selected 18 genes differentially expressed between FTA and FTC...
June 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#16
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28485250/localization-of-trefoil-factor-family-peptide-3-tff3-in-epithelial-tissues-originating-from-the-three-germ-layers-of-developing-mouse-embryo
#17
Nikola Bijelić, Tatjana Belovari, Maja Tolušić Levak, Mirela Baus Lončar
Trefoil factor family (TFF) peptides are involved in the maintenance of epithelial integrity and epithelial restitution. Mature epithelial tissues originate from different embryonic germ layers. The objective of this research was to explore the presence and localization of TFF3 peptide in mouse embryonic epithelia and to examine if the occurrence of TFF3 peptide is germ layer-dependent. Mouse embryos (14-18 days old) were fixed in 4% paraformaldehyde and embedded in paraffin. Immunohistochemistry was performed with affinity purified rabbit anti-TFF3 antibody, goat anti-rabbit biotinylated secondary antibody and streptavidin-horseradish peroxidase, followed by 3,3'-diaminobenzidine...
August 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28470574/tff3-expression-as-stratification-marker-in-borderline-epithelial-tumors-of-the-ovary
#18
Ahmed El-Balat, Iryna Schmeil, Thomas Karn, Sven Becker, Nicole Sänger, Uwe Holtrich, Ruza Arsenic
Borderline tumors (BOT) of the ovary account for 10% to 20% of ovarian neoplasms. Like ovarian cancer, BOT encompass several different histological subtypes (serous, mucinous, endometrioid, clear cell, transitional cell and mixed) with serous (SBOT) and mucinous (MBOT) the most common. Current hypotheses suggest low-grade serous carcinoma may develop in a stepwise fashion from SBOT whereas the majority of high grade serous carcinomas develop rapidly presumably from inclusion cysts or ovarian surface epithelium...
May 3, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28453457/plasma-expression-of-the-intestinal-metaplasia-markers-cdh17-and-tff3-in-patients-with-gastric-cancer
#19
Boram Choi, Hyuk-Joon Lee, Jimin Min, Hwi-Nyeong Choe, Yun-Suk Choi, Young-Gil Son, Hye-Seong Ahn, Yun-Suhk Suh, James R Goldenring, Han-Kwang Yang
BACKGROUND: Few reliable blood markers are available for detecting gastric cancer, mainly owing to the heterogeneity of the cancer. OBJECTIVE: To establish gastric cancer diagnostic markers, we evaluated the levels of plasma cadherin 17 (CDH17) and trefoil factor 3 (TFF3), which are secretory proteins and known markers for intestinal metaplasia (IM), in patients with gastric cancer. METHOD: The protein expression level was analyzed in blood plasma samples from 111 gastric cancer patients and 44 healthy individuals, using a sandwich ELISA kit, followed by statistical analyses...
July 4, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28445151/trefoil-factor-3-mediation-of-oncogenicity-and-chemoresistance-in-hepatocellular-carcinoma-is-akt-bcl-2-dependent
#20
Ming-Liang You, Yi-Jun Chen, Qing-Yun Chong, Ming-Ming Wu, Vijay Pandey, Ru-Mei Chen, Liang Liu, Lan Ma, Zheng-Sheng Wu, Tao Zhu, Peter E Lobie
The efficacious treatment of hepatocellular carcinoma (HCC) remains a challenge, partially being attributed to intrinsic chemoresistance. Previous reports have observed increased TFF3 expression in HCC. Herein, we investigated the functional role of TFF3 in progression of HCC, and in both intrinsic and acquired chemoresistance. TFF3 expression was observed to be upregulated in HCC and associated with poor clinicopathological features and worse patient survival outcome. Functionally, forced expression of TFF3 in HCC cell lines increased cell proliferation, cell survival, anchorage-independent and 3D matrigel growth, cell invasion and migration, and in vivo tumor growth...
June 13, 2017: Oncotarget
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