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https://www.readbyqxmd.com/read/28241499/selectin-ligands-sialyl-lewis-a-and-sialyl-lewis-x-in-gastrointestinal-cancers
#1
REVIEW
Marco Trinchera, Adele Aronica, Fabio Dall'Olio
The tetrasaccharide structures Siaα2,3Galβ1,3(Fucα1,4)GlcNAc and Siaα2,3Galβ1,4(Fucα1,3)GlcNAc constitute the epitopes of the carbohydrate antigens sialyl-Lewis a (sLe(a)) and sialyl-Lewis x (sLe(x)), respectively, and are the minimal requirement for selectin binding to their counter-receptors. Interaction of sLe(x) expressed on the cell surface of leucocytes with E-selectin on endothelial cells allows their arrest and promotes their extravasation. Similarly, the rolling of cancer cells ectopically expressing the selectin ligands on endothelial cells is potentially a crucial step favoring the metastatic process...
February 23, 2017: Biology
https://www.readbyqxmd.com/read/28241498/sphingosine-1-phosphate-receptor-1-signaling-in-mammalian-cells
#2
REVIEW
Nigel J Pyne, Susan Pyne
The bioactive lipid, sphingosine 1-phosphate (S1P) binds to a family of G protein-coupled receptors, termed S1P₁-S1P₅. These receptors function in, for example, the cardiovascular system to regulate vascular barrier integrity and tone, the nervous system to regulate neuronal differentiation, myelination and oligodendrocyte/glial cell survival and the immune system to regulate T- and B-cell subsets and trafficking. S1P receptors also participate in the pathophysiology of autoimmunity, inflammatory disease, cancer, neurodegeneration and others...
February 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28241489/sterols-from-thai-marine-sponge-petrosia-strongylophora-sp-and-their-cytotoxicity
#3
Phanruethai Pailee, Chulabhorn Mahidol, Somsak Ruchirawat, Vilailak Prachyawarakorn
Eight new sterols (1-5 and 11-13), together with eight known compounds (6-10 and 14-16) were isolated from marine sponge Petrosia sp. The structures of these compounds were elucidated on the basis of extensive spectroscopic analysis. The cytotoxicity of some compounds against a panel of human cancer cell lines is also reported.
February 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28241486/modulation-of-ras-erk-and-phosphoinositide-signaling-by-long-chain-n-3-pufa-in-breast-cancer-and-their-potential-complementary-role-in-combination-with-targeted-drugs
#4
REVIEW
Simona Serini, Gabriella Calviello
A potential complementary role of the dietary long-chain n-3 polyunsaturated fatty acids (LCn-3 PUFA) in combination with innovative mono-targeted therapies has recently been proposed. These compounds are thought to act pleiotropically to prevent the development and progression of a variety of cancers, including breast cancer. We hereinafter critically analyze the reports investigating the ability of LCn-3 PUFA to modulate the Ras/ERK and the phosphoinositide survival signaling pathways often aberrantly activated in breast cancer and representing the main targets of innovative therapies...
February 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28241481/histone-h3-acetyl-k9-and-histone-h3-tri-methyl-k4-as-prognostic-markers-for-patients-with-cervical-cancer
#5
Susanne Beyer, Junyan Zhu, Doris Mayr, Christina Kuhn, Sandra Schulze, Simone Hofmann, Christian Dannecker, Udo Jeschke, Bernd P Kost
Chromatin remodeling alters gene expression in carcinoma tissue. Although cervical cancer is the fourth most common cancer in women worldwide, a systematic study about the prognostic value of specific changes in the chromatin structure, such as histone acetylation or histone methylation, is missing. In this study, the expression of histone H3 acetyl K9, which is known to denote active regions at enhancers and promoters, and histone H3 tri methyl K4, which preferentially identifies active gene promoters, were examined as both show high metastatic potential...
February 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241446/dna-methylation-status-of-pax1-and-znf582-in-esophageal-squamous-cell-carcinoma
#6
Jin Huang, Guo Wang, Jie Tang, Wei Zhuang, Li-Ping Wang, Yu-Ligh Liou, Ying-Zi Liu, Hong-Hao Zhou, Yuan-Shan Zhu
Hypermethylation of specific gene promoters is an important mechanism of carcinogenesis. A high frequency of promoter methylation of PAX1 and ZNF582 genes has been detected in cervical cancer. In the present study, we investigated the methylation status of PAX1 and ZNF582 genes in esophageal squamous cell carcinoma (ESCC) tissues. Tumor and paracancerous tissues were obtained from 14 ESCC patients. Genomic DNA was extracted from both tumor and paracancerous tissues, and the concentration of DNA were determined...
February 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28241441/design-synthesis-and-evaluation-of-naphthalimide-derivatives-as-potential-anticancer-agents-for-hepatocellular-carcinoma
#7
Chaochao Ge, Liping Chang, Ying Zhao, Congcong Chang, Xiaojuan Xu, Haoying He, Yuxia Wang, Fujun Dai, Songqiang Xie, Chaojie Wang
Two kinds of naphthalimide derivatives were synthesized and evaluated for in vitro their anti-hepatocellular carcinoma properties. Compound 3a with a fused thiazole fragment to naphthalimide skeleton inhibited cell migration of SMMC-7721 and HepG2, and further in vivo trials with two animal models confirmed that compound 3a moderately inhibited primary H22 tumor growth (52.6%) and potently interrupted lung metastasis (75.7%) without obvious systemic toxicity at the therapeutic dose. Mechanistic research revealed that compound 3a inhibited cancerous liver cell growth mostly by inducing G2/M phase arrest...
February 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28241429/current-insights-into-long-non-coding-rnas-lncrnas-in-prostate-cancer
#8
REVIEW
Maria A Smolle, Thomas Bauernhofer, Karl Pummer, George A Calin, Martin Pichler
The importance of long non-coding RNAs (lncRNAs) in the pathogenesis of various malignancies has been uncovered over the last few years. Their dysregulation often contributes to or is a result of tumour progression. In prostate cancer, the most common malignancy in men, lncRNAs can promote castration resistance, cell proliferation, invasion, and metastatic spread. Expression patterns of lncRNAs often change during tumour progression; their expression levels may constantly rise (e.g., HOX transcript antisense RNA, HOTAIR), or steadily decrease (e...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241428/an-automated-micro-total-immunoassay-system-for-measuring-cancer-associated-%C3%AE-2-3-linked-sialyl-n-glycan-carrying-prostate-specific-antigen-may-improve-the-accuracy-of-prostate-cancer-diagnosis
#9
Tomokazu Ishikawa, Tohru Yoneyama, Yuki Tobisawa, Shingo Hatakeyama, Tatsuo Kurosawa, Kenji Nakamura, Shintaro Narita, Koji Mitsuzuka, Wilhelmina Duivenvoorden, Jehonathan H Pinthus, Yasuhiro Hashimoto, Takuya Koie, Tomonori Habuchi, Yoichi Arai, Chikara Ohyama
The low specificity of the prostate-specific antigen (PSA) for early detection of prostate cancer (PCa) is a major issue worldwide. The aim of this study to examine whether the serum PCa-associated α2,3-linked sialyl N-glycan-carrying PSA (S2,3PSA) ratio measured by automated micro-total immunoassay systems (μTAS system) can be applied as a diagnostic marker of PCa. The μTAS system can utilize affinity-based separation involving noncovalent interaction between the immunocomplex of S2,3PSA and Maackia amurensis lectin to simultaneously determine concentrations of free PSA and S2,3PSA...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241425/heat-shock-factor-1-depletion-sensitizes-a172-glioblastoma-cells-to-temozolomide-via-suppression-of-cancer-stem-cell-like-properties
#10
Chang-Nim Im, Hye Hyeon Yun, Jeong-Hwa Lee
Heat shock factor 1 (HSF1), a transcription factor activated by various stressors, regulates proliferation and apoptosis by inducing expression of target genes, such as heat shock proteins and Bcl-2 (B-cell lymphoma 2) interacting cell death suppressor (BIS). HSF1 also directly interacts with BIS, although it is still unclear whether this interaction is critical in the regulation of glioblastoma stem cells (GSCs). In this study, we examined whether small interfering RNA-mediated BIS knockdown decreased protein levels of HSF1 and subsequent nuclear localization under GSC-like sphere (SP)-forming conditions...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241422/androgen-receptor-signaling-in-bladder-cancer
#11
REVIEW
Peng Li, Jinbo Chen, Hiroshi Miyamoto
Emerging preclinical findings have indicated that steroid hormone receptor signaling plays an important role in bladder cancer outgrowth. In particular, androgen-mediated androgen receptor signals have been shown to correlate with the promotion of tumor development and progression, which may clearly explain some sex-specific differences in bladder cancer. This review summarizes and discusses the available data, suggesting the involvement of androgens and/or the androgen receptor pathways in urothelial carcinogenesis as well as tumor growth...
February 22, 2017: Cancers
https://www.readbyqxmd.com/read/28241208/association-between-telomere-length-and-risk-of-cancer-and-non-neoplastic-diseases-a-mendelian-randomization-study
#12
Philip C Haycock, Stephen Burgess, Aayah Nounu, Jie Zheng, George N Okoli, Jack Bowden, Kaitlin Hazel Wade, Nicholas J Timpson, David M Evans, Peter Willeit, Abraham Aviv, Tom R Gaunt, Gibran Hemani, Massimo Mangino, Hayley Patricia Ellis, Kathreena M Kurian, Karen A Pooley, Rosalind A Eeles, Jeffrey E Lee, Shenying Fang, Wei V Chen, Matthew H Law, Lisa M Bowdler, Mark M Iles, Qiong Yang, Bradford B Worrall, Hugh Stephen Markus, Rayjean J Hung, Chris I Amos, Amanda B Spurdle, Deborah J Thompson, Tracy A O'Mara, Brian Wolpin, Laufey Amundadottir, Rachael Stolzenberg-Solomon, Antonia Trichopoulou, N Charlotte Onland-Moret, Eiliv Lund, Eric J Duell, Federico Canzian, Gianluca Severi, Kim Overvad, Marc J Gunter, Rosario Tumino, Ulrika Svenson, Andre van Rij, Annette F Baas, Matthew J Bown, Nilesh J Samani, Femke N G van t'Hof, Gerard Tromp, Gregory T Jones, Helena Kuivaniemi, James R Elmore, Mattias Johansson, James Mckay, Ghislaine Scelo, Robert Carreras-Torres, Valerie Gaborieau, Paul Brennan, Paige M Bracci, Rachel E Neale, Sara H Olson, Steven Gallinger, Donghui Li, Gloria M Petersen, Harvey A Risch, Alison P Klein, Jiali Han, Christian C Abnet, Neal D Freedman, Philip R Taylor, John M Maris, Katja K Aben, Lambertus A Kiemeney, Sita H Vermeulen, John K Wiencke, Kyle M Walsh, Margaret Wrensch, Terri Rice, Clare Turnbull, Kevin Litchfield, Lavinia Paternoster, Marie Standl, Gonçalo R Abecasis, John Paul SanGiovanni, Yong Li, Vladan Mijatovic, Yadav Sapkota, Siew-Kee Low, Krina T Zondervan, Grant W Montgomery, Dale R Nyholt, David A van Heel, Karen Hunt, Dan E Arking, Foram N Ashar, Nona Sotoodehnia, Daniel Woo, Jonathan Rosand, Mary E Comeau, W Mark Brown, Edwin K Silverman, John E Hokanson, Michael H Cho, Jennie Hui, Manuel A Ferreira, Philip J Thompson, Alanna C Morrison, Janine F Felix, Nicholas L Smith, Angela M Christiano, Lynn Petukhova, Regina C Betz, Xing Fan, Xuejun Zhang, Caihong Zhu, Carl D Langefeld, Susan D Thompson, Feijie Wang, Xu Lin, David A Schwartz, Tasha Fingerlin, Jerome I Rotter, Mary Frances Cotch, Richard A Jensen, Matthias Munz, Henrik Dommisch, Arne S Schaefer, Fang Han, Hanna M Ollila, Ryan P Hillary, Omar Albagha, Stuart H Ralston, Chenjie Zeng, Wei Zheng, Xiao-Ou Shu, Andre Reis, Steffen Uebe, Ulrike Hüffmeier, Yoshiya Kawamura, Takeshi Otowa, Tsukasa Sasaki, Martin Lloyd Hibberd, Sonia Davila, Gang Xie, Katherine Siminovitch, Jin-Xin Bei, Yi-Xin Zeng, Asta Försti, Bowang Chen, Stefano Landi, Andre Franke, Annegret Fischer, David Ellinghaus, Carlos Flores, Imre Noth, Shwu-Fan Ma, Jia Nee Foo, Jianjun Liu, Jong-Won Kim, David G Cox, Olivier Delattre, Olivier Mirabeau, Christine F Skibola, Clara S Tang, Merce Garcia-Barcelo, Kai-Ping Chang, Wen-Hui Su, Yu-Sun Chang, Nicholas G Martin, Scott Gordon, Tracey D Wade, Chaeyoung Lee, Michiaki Kubo, Pei-Chieng Cha, Yusuke Nakamura, Daniel Levy, Masayuki Kimura, Shih-Jen Hwang, Steven Hunt, Tim Spector, Nicole Soranzo, Ani W Manichaikul, R Graham Barr, Bratati Kahali, Elizabeth Speliotes, Laura M Yerges-Armstrong, Ching-Yu Cheng, Jost B Jonas, Tien Yin Wong, Isabella Fogh, Kuang Lin, John F Powell, Kenneth Rice, Caroline L Relton, Richard M Martin, George Davey Smith
Importance: The causal direction and magnitude of the association between telomere length and incidence of cancer and non-neoplastic diseases is uncertain owing to the susceptibility of observational studies to confounding and reverse causation. Objective: To conduct a Mendelian randomization study, using germline genetic variants as instrumental variables, to appraise the causal relevance of telomere length for risk of cancer and non-neoplastic diseases. Data Sources: Genomewide association studies (GWAS) published up to January 15, 2015...
February 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28241141/enl-links-histone-acetylation-to-oncogenic-gene-expression-in-acute-myeloid-leukaemia
#13
Liling Wan, Hong Wen, Yuanyuan Li, Jie Lyu, Yuanxin Xi, Takayuki Hoshii, Julia K Joseph, Xiaolu Wang, Yong-Hwee E Loh, Michael A Erb, Amanda L Souza, James E Bradner, Li Shen, Wei Li, Haitao Li, C David Allis, Scott A Armstrong, Xiaobing Shi
Cancer cells are characterized by aberrant epigenetic landscapes and often exploit chromatin machinery to activate oncogenic gene expression programs. Recognition of modified histones by 'reader' proteins constitutes a key mechanism underlying these processes; therefore, targeting such pathways holds clinical promise, as exemplified by the development of bromodomain and extra-terminal (BET) inhibitors. We recently identified the YEATS domain as an acetyl-lysine-binding module, but its functional importance in human cancer remains unknown...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241139/transcription-control-by-the-enl-yeats-domain-in-acute-leukaemia
#14
Michael A Erb, Thomas G Scott, Bin E Li, Huafeng Xie, Joshiawa Paulk, Hyuk-Soo Seo, Amanda Souza, Justin M Roberts, Shiva Dastjerdi, Dennis L Buckley, Neville E Sanjana, Ophir Shalem, Behnam Nabet, Rhamy Zeid, Nana K Offei-Addo, Sirano Dhe-Paganon, Feng Zhang, Stuart H Orkin, Georg E Winter, James E Bradner
Recurrent chromosomal translocations producing a chimaeric MLL oncogene give rise to a highly aggressive acute leukaemia associated with poor clinical outcome. The preferential involvement of chromatin-associated factors as MLL fusion partners belies a dependency on transcription control. Despite recent progress made in targeting chromatin regulators in cancer, available therapies for this well-characterized disease remain inadequate, prompting the need to identify new targets for therapeutic intervention. Here, using unbiased CRISPR-Cas9 technology to perform a genome-scale loss-of-function screen in an MLL-AF4-positive acute leukaemia cell line, we identify ENL as an unrecognized gene that is specifically required for proliferation in vitro and in vivo...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241108/external-quality-assurance-in-nongynecologic-cytology-the-australasian-experience
#15
Paul W Shield, Felicity Frost, Jo L Finnimore, R Gordon Wright, Margaret C Cummings
BACKGROUND: The Royal College of Pathologists of Australasia Cytopathology Quality Assurance Program has operated an external quality assurance program in nongynecologic cytopathology since 1993. Glass slide preparations of a wide range of nongynecologic cases were circulated to approximately 200 cytopathology laboratories in 16 countries. METHODS: General nongynecologic cytology cases were manufactured from residual specimens after routine diagnosis. Fine-needle aspiration (FNA) cases were made by sampling fresh tissue and making direct specimens...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241106/future-of-testicular-germ-cell-tumor-incidence-in-the-united-states-forecast-through-2026
#16
Armen A Ghazarian, Scott P Kelly, Sean F Altekruse, Philip S Rosenberg, Katherine A McGlynn
BACKGROUND: Testicular germ cell tumors (TGCTs) are rare tumors in the general population but are the most commonly occurring malignancy among males between ages 15 and 44 years in the United States (US). Although non-Hispanic whites (NHWs) have the highest incidence in the US, rates among Hispanics have increased the most in recent years. To forecast what these incidence rates may be in the future, an analysis of TGCT incidence in the Surveillance, Epidemiology, and End Results program and the National Program of Cancer Registries was conducted...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241096/the-prognostic-role-of-sex-race-and-human-papillomavirus-in-oropharyngeal-and-nonoropharyngeal-head-and-neck-squamous-cell-cancer
#17
Carole Fakhry, William H Westra, Steven J Wang, Annemieke van Zante, Yuehan Zhang, Eleni Rettig, Linda X Yin, William R Ryan, Patrick K Ha, Alicia Wentz, Wayne Koch, Jeremy D Richmon, David W Eisele, Gypsyamber D'Souza
BACKGROUND: Human papillomavirus (HPV) is a well-established prognostic marker for oropharyngeal squamous cell cancer (OPSCC). Because of the limited numbers of women and nonwhites in studies to date, sex and racial/ethnic differences in prognosis have not been well explored. In this study, survival differences were explored by the tumor HPV status among 1) patients with OPSCCs by sex and race and 2) patients with nonoropharyngeal (non-OP) head and neck squamous cell cancers (HNSCCs)...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241095/immune-checkpoint-inhibitors-in-challenging-populations
#18
REVIEW
Douglas B Johnson, Ryan J Sullivan, Alexander M Menzies
Immune checkpoint inhibitors, including those targeting the programmed cell death 1/programmed cell death ligand 1 and cytotoxic T lymphocyte antigen 4 pathways, are revolutionizing cancer therapeutics. Both activity and toxicities largely stem from unleashing tumor- or host-specific cytotoxic T cells. Many patients seen in routine clinical practice have not qualified for or have been seriously underrepresented in immune checkpoint inhibitor clinical trials. Thus, a major gap in knowledge regarding the safety and efficacy of these agents persists in many populations, even after regulatory approval...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241093/phase-1-2-study-of-immunotherapy-with-dendritic-cells-pulsed-with-autologous-tumor-lysate-in-patients-with-refractory-bone-and-soft-tissue-sarcoma
#19
Shinji Miwa, Hideji Nishida, Yoshikazu Tanzawa, Akihiko Takeuchi, Katsuhiro Hayashi, Norio Yamamoto, Eishiro Mizukoshi, Yasunari Nakamoto, Shuichi Kaneko, Hiroyuki Tsuchiya
BACKGROUND: There are limited options for the curative treatment of refractory bone and soft tissue sarcomas. The purpose of this phase 1/2 study was to assess the immunological and clinical effects of dendritic cells (DCs) pulsed with autologous tumor lysate (TL) in patients with advanced bone and soft tissue sarcomas. METHODS: Thirty-seven patients with metastatic or recurrent sarcomas were enrolled in this study. Peripheral blood mononuclear cells obtained from the patients were suspended in media containing interleukin 4 (IL-4) and granulocyte-macrophage colony-stimulating factor...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241092/adherence-to-national-comprehensive-cancer-network-guidelines-for-time-to-initiation-of-postoperative-radiation-therapy-for-patients-with-head-and-neck-cancer
#20
Evan M Graboyes, Elizabeth Garrett-Mayer, Anand K Sharma, Eric J Lentsch, Terry A Day
BACKGROUND: Adherence to evidence-based treatment guidelines has been proposed as a measure of cancer care quality. The objective of this study was to determine the rate and predictors of care that does not adhere to National Comprehensive Cancer Network guidelines regarding commencing postoperative radiation therapy (PORT) within 6 weeks of surgery for patients with head and neck squamous cell carcinoma (HNSCC). METHODS: The National Cancer Data Base was reviewed from 2006 to 2014, and patients with HNSCC who underwent curative-intent surgery followed by PORT were identified...
February 27, 2017: Cancer
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