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https://www.readbyqxmd.com/read/29149426/relationship-between-lat1-expression-and-resistance-to-chemotherapy-in-pancreatic-ductal-adenocarcinoma
#1
Bolag Altan, Kyoichi Kaira, Akira Watanabe, Norio Kubo, Pinjie Bao, Gantumur Dolgormaa, Erkhem-Ochir Bilguun, Kenichiro Araki, Yoshikatsu Kanai, Takehiko Yokobori, Tetsunari Oyama, Masahiko Nishiyama, Hiroyuki Kuwano, Ken Shirabe
PURPOSE: L-type amino acid transporter 1 (LAT1) is linked to tumor cell proliferation, angiogenesis, and survival in various human cancers. Although the expression of LAT1 was identified as a significant prognostic predictor after surgery in patients with pancreatic ductal adenocarcinoma (PDAC), little is known about the clinical significance of LAT1 as a chemotherapeutic resistance factor in PDAC. METHODS: A total of 110 patients with surgically resected PDAC were retrospectively reviewed as the training set...
November 17, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29149413/tctp-has-a-crucial-role-in-the-different-stages-of-prostate-cancer-malignant-progression
#2
Virginie Baylot, Sara Karaki, Palma Rocchi
Prostate cancer (PC) is the second most common cause of cancer-related mortality in men in the western world after lung cancer. Many patients are not candidates for resection given the advanced stage of their cancer. The primary treatment for advanced PC is the castration therapy which supresses the production of androgens, hormone that promotes PC growth. Despite the efficiency of the castration therapy, most patients develop castration resistant disease which remains uncurable. Clearly, novel approaches are required to effectively treat castration resistant PC (CRPC)...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29149410/tctp-in-neuronal-circuitry-assembly
#3
Cláudio Gouveia Roque, Christine E Holt
Although tctp expression in many areas of the human brain was reported more than 15 years ago, little was known about how it functions in neurons. The early notion that Tctp is primarily expressed in mitotic cells, together with reports suggesting a relative low abundance in the brain, has perhaps potentiated this almost complete disregard for the study of Tctp in the context of neuron biology. However, recent evidence has challenged this view, as a number of independent genome-wide profiling studies identified tctp mRNA among the most enriched in the axonal compartment across diverse neuronal populations, including embryonic retinal ganglion cells...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29149404/the-translational-controlled-tumour-protein-tctp-biological-functions-and-regulation
#4
Ulrich-Axel Bommer
The Translational Controlled Tumour Protein TCTP (gene symbol TPT1, also called P21, P23, Q23, fortilin or histamine-releasing factor, HRF) is a highly conserved protein present in essentially all eukaryotic organisms and involved in many fundamental cell biological and disease processes. It was first discovered about 35 years ago, and it took an extended period of time for its multiple functions to be revealed, and even today we do not yet fully understand all the details. Having witnessed most of this history, in this chapter, I give a brief overview and review the current knowledge on the structure, biological functions, disease involvements and cellular regulation of this protein...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29149169/the-role-of-allee-effect-in-modelling-post-resection-recurrence-of-glioblastoma
#5
Zoltan Neufeld, William von Witt, Dora Lakatos, Jiaming Wang, Balazs Hegedus, Andras Czirok
Resection of the bulk of a tumour often cannot eliminate all cancer cells, due to their infiltration into the surrounding healthy tissue. This may lead to recurrence of the tumour at a later time. We use a reaction-diffusion equation based model of tumour growth to investigate how the invasion front is delayed by resection, and how this depends on the density and behaviour of the remaining cancer cells. We show that the delay time is highly sensitive to qualitative details of the proliferation dynamics of the cancer cell population...
November 17, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29149150/the-hopeless-case-palliative-cryoablation-and-cementoplasty-procedures-for-palliation-of-large-pelvic-bone-metastases
#6
Tyler M Coupal, Kevin Pennycooke, Paul I Mallinson, Hugue A Ouellette, Paul W Clarkson, Pippa Hawley, Peter L Munk
BACKGROUND: Metastases to the bone are common in cancer patients, and it has been estimated that up to 50% of patients with pelvic bone metastases will not achieve adequate pain control with medications alone. This has led to a paradigm shift over recent years towards the use and development of minimally invasive image-guided treatment options for palliation of bony metastases. Despite these developments, large metastatic lesions are still often considered to be "hopeless cases" that would garner little to no benefit from image-guided intervention...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29149107/treponema-denticola-chymotrypsin-like-proteinase-may-contribute-to-orodigestive-carcinogenesis-through-immunomodulation
#7
Mikko T Nieminen, Dyah Listyarifah, Jaana Hagström, Caj Haglund, Daniel Grenier, Dan Nordström, Veli-Jukka Uitto, Marcela Hernandez, Tülay Yucel-Lindberg, Taina Tervahartiala, Mari Ainola, Timo Sorsa
BACKGROUND: Periodontal pathogens have been linked to oral and gastrointestinal (orodigestive) carcinogenesis. However, the exact mechanisms remain unknown. Treponema denticola (Td) is associated with severe periodontitis, a chronic inflammatory disease leading to tooth loss. The anaerobic spirochete Td is an invasive bacteria due to its major virulence factor chymotrypsin-like proteinase. Here we aimed to investigate the presence of Td chymotrypsin-like proteinase (Td-CTLP) in major orodigestive tumours and to elucidate potential mechanisms for Td to contribute to carcinogenesis...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29149079/sphingosine-1-phosphate-s1p-signaling-in-glioblastoma-multiforme-a-systematic-review
#8
REVIEW
Shailaja Mahajan-Thakur, Sandra Bien-Möller, Sascha Marx, Henry Schroeder, Bernhard H Rauch
The multifunctional sphingosine-1-phosphate (S1P) is a lipid signaling molecule and central regulator in the development of several cancer types. In recent years, intriguing information has become available regarding the role of S1P in the progression of Glioblastoma multiforme (GBM), the most aggressive and common brain tumor in adults. S1P modulates numerous cellular processes in GBM, such as oncogenesis, proliferation and survival, invasion, migration, metastasis and stem cell behavior. These processes are regulated via a family of five G-protein-coupled S1P receptors (S1PR1-5) and may involve mainly unknown intracellular targets...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29148840/resveratrol-induces-mitochondrial-apoptosis-and-inhibits-epithelial-mesenchymal-transition-in-oral-squamous-cell-carcinoma-cells
#9
Seong-Eon Kim, Sang-Hun Shin, Jae-Yeol Lee, Chul-Hoon Kim, In-Kyo Chung, Hae-Mi Kang, Hae-Ryoun Park, Bong-Soo Park, In-Ryoung Kim
OSCC is the most common malignant cancer of the head and neck. EMT is an essential cellular process critical to the morphogenesis and homeostasis of solid tissues. It is also involved in the initial stage of cancer metastasis and invasion in which cells lose epithelial characteristics. While cancer therapy protocols such as surgery, radiation, and chemotherapy are effective and useful, the drug tolerance and toxicity of OSCC patients remain a problem. Resveratrol is mainly produced in red grape skin and exhibits anti-oxidative, anti-inflammatory, anti-proliferative, and anti-cancer properties...
November 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29148694/ambient-aqueous-synthesis-of-ultrasmall-ni0-85se-nanoparticles-for-non-invasive-photoacoustic-imaging-and-combined-photothermal-chemo-therapy-of-cancer
#10
Xianwen Wang, Fei Li, Xu Yan, Yan Ma, Zhaohua Miao, Liang Dong, Huajian Chen, Yang Lu, Zhengbao Zha
Big size induced long-term retention in the body has hampered the translational applications of many reported nanomedicine. Herein, we reported a multifunctional theranostic agent composed of ultrasmall polyacrylic acid functionalized Ni0.85Se nanoparticles (PAA-Ni0.85Se NPs), which were successfully obtained through a facile ambient aqueous precipitation strategy. Without exhibiting any noticeable toxicity, the as-prepared PAA-Ni0.85Se NPs (average diameter of 6.40 ± 1.89 nm) showed a considerable absorption in near-infrared (NIR) region and high photothermal conversion efficiency (PTCE) of 54...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29148603/mcp2-activates-nf-%C3%AE%C2%BAb-signaling-pathway-promoting-the-migration-and-invasion-of-escc-cells
#11
Jian Zhou, Shutao Zheng, Tao Liu, Qing Liu, Yumei Chen, Doudou Tan, Rong Ma, Xiaomei Lu
MCP2, aliased CCL8, has been suggested to be implicated in the metastasis of cancer cells; however no direct evidence has been established in esophageal squamous cell carcinoma (ESCC). In our present study, to investigate the role MCP2 played in the metastasis of ESCC cells; in vitro cell co-culture system was established. Wound-healing and Transwell assays were used to evaluate the migratory and invasive variation of ESCC cells before and after treatment with recombinant human MCP2. It was shown that MCP2 was able to activate the NF-κB signaling pathway inducing the epithelial-mesenchymal transition (EMT) and promoting the migration and invasion of ESCC cells in vitro...
November 17, 2017: Cell Biology International
https://www.readbyqxmd.com/read/29148540/single-cell-heterogeneity-in-ductal-carcinoma-in-situ-of-breast
#12
Michael J Gerdes, Yesim Gökmen-Polar, Yunxia Sui, Alberto Santamaria Pang, Nicole LaPlante, Adrian L Harris, Puay-Hoon Tan, Fiona Ginty, Sunil S Badve
Heterogeneous patterns of mutations and RNA expression have been well documented in invasive cancers. However, technological challenges have limited the ability to study heterogeneity of protein expression. This is particularly true for pre-invasive lesions such as ductal carcinoma in situ of the breast. Cell-level heterogeneity in ductal carcinoma in situ was analyzed in a single 5 μm tissue section using a multiplexed immunofluorescence analysis of 11 disease-related markers (EGFR, HER2, HER4, S6, pmTOR, CD44v6, SLC7A5 and CD10, CD4, CD8 and CD20, plus pan-cytokeratin, pan-cadherin, DAPI, and Na+K+ATPase for cell segmentation)...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29148250/ipsilateral-shoulder-pain-in-patients-following-lung-resection-in-the-decubitus-position
#13
Takae Bando, Kazuya Kondo, Chiemi Onishi, Koichiro Kajiura, Hiromitsu Takizawa, Kazuyo Yamada, Hiromi Sato, Yoshie Imai
AIM AND OBJECTIVE: The purpose of this study was to examine the frequency, influencing factors, and clinical course of shoulder pain in patients following lung resection. BACKGROUND: Thoracoscopes have been introduced in the surgical treatment of lung cancer, and allow for less invasive surgery with a minimal incision. However, decubitus position-related shoulder pain on the operated side has not yet been investigated. DESIGN: A longitudinal descriptive study...
November 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29148169/antitumor-and-anti-metastatic-mechanisms-of-rhizoma-paridis-saponins-in-lewis-mice
#14
Shuli Man, Hongyan Chai, Jingxia Cui, Jingwen Yao, Long Ma, Wenyuan Gao
Lung cancer is one of the most common causes of death in the world. Rhizoma paridis saponins (RPS) have been found to show inhibition of pulmonary adenoma in previous research. However, the detailed mechanisms of RPS from a holistic view have not been established. In this study, Lewis pulmonary adenoma mice were successfully established to analyze the pathways involved in RPS intervening tumor formation and progression. As a result, RPS inhibited levels of cytokines or receptors such as VEGFD, VEGFR3, RAGE, IL6R, IL17BR, and CXCL16 which were regarded as the initiators induced tumor cell proliferation, adhesion, angiogenesis, and invasion...
November 17, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29148041/fscn1-predicts-survival-and-is-regulated-by-a-pi3k-dependent-mechanism-in-renal-cell-carcinoma
#15
Mengping Zhang, Zhijian Zhao, Xiaolu Duan, Ping Chen, Zhenwei Peng, Huijuan Qiu
While overexpression of FSCN1 is reported in several cancers, the prognostic significance of FSCN1 in renal cell carcinoma (RCC) and the molecular mechanisms involved remain largely unclear. We retrospectively enrolled 194 patients with non-metastatic clear-cell RCC undergoing nephrectomy in our center between 2008 and 2011. FSCN1 expression was assessed by immunohistochemical staining and its association with clinicopathologic features and survival were evaluated. Functional effects of a modulated FSCN1 expression were analyzed with regard to invasion in RCC cell lines and metastasis in vivo...
November 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29147928/surgical-management-of-early-stage-esophageal-adenocarcinoma-based-on-lymph-node-metastasis-risk
#16
Andrew D Newton, Jarrod D Predina, Leilei Xia, Robert E Roses, Giorgos C Karakousis, Daniel T Dempsey, Noel N Williams, John C Kucharczuk, Sunil Singhal
BACKGROUND: In early-stage esophageal adenocarcinoma (EAC), esophagectomy improves staging but also increases mortality compared with endoscopic resection. Our objective was to quantify esophagectomy mortality and lymph node metastasis (LNM) risk in early-stage EAC to improve surgical treatment allocation. METHODS: We identified National Cancer Database (2004-2014) patients with nonmetastatic, Tis, T1a, or T1b EAC who had primary surgical resection and microscopic examination of at least 15 lymph nodes...
November 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29147896/genetic-diagnosis-before-surgery-has-an-impact-on-surgical-decision-in-brca-mutation-carriers-with-breast-cancer
#17
Sungmin Park, Jeong Eon Lee, Jai Min Ryu, Issac Kim, Soo Youn Bae, Se Kyung Lee, Jonghan Yu, Seok Won Kim, Seok Jin Nam
BACKGROUND: The first aim of our study was to evaluate surgical decision-making by BRCA mutation carriers with breast cancer based on the timing of knowledge of their BRCA mutation status. The second aim was to evaluate breast cancer outcome following surgical treatment. METHODS: This was a retrospective study of 164 patients diagnosed with invasive breast cancer, tested for BRCA mutation, and treated with primary surgery between 2004 and 2015 at Samsung Medical Center in Seoul, Korea...
November 16, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29147877/efficacy-and-safety-of-fully-covered-self-expanding-metal-stents-for-malignant-esophageal-obstruction
#18
Hoonsub So, Ji Yong Ahn, Seungbong Han, Kyoungwon Jung, Hee Kyong Na, Jeong Hoon Lee, Kee Wook Jeong, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung
BACKGROUND: Malignant dysphagia can result in poor nutritional status with severe weight loss. Rapid relief from dysphagia can be achieved with esophageal self-expanding metal stents (SEMSs), a minimally invasive method. In this study, we evaluated the usefulness of SEMSs for malignant dysphagia. METHODS: Between 2012 and 2015, 119 patients with malignant dysphagia underwent esophageal SEMS insertion with endoscopic assistance. Their demographics and clinical outcomes were collected...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29147813/noninvasive-induction-of-angiogenesis-in-tissues-by-external-suction-sequential-optimization-for-use-in-reconstructive-surgery
#19
G Giatsidis, L Cheng, A Haddad, K Ji, J Succar, L Lancerotto, J Lujan-Hernandez, P Fiorina, H Matsumine, D P Orgill
In reconstructive surgery, tissues are routinely transferred to repair a defect caused by trauma, cancer, chronic diseases, or congenital malformations; surgical transfer intrinsically impairs metabolic supply to tissues placing a risk of ischemia-related complications such as necrosis, impaired healing, or infection. Pre-surgical induction of angiogenesis in tissues (preconditioning) can limit postsurgical ischemic complications and improve outcomes, but very few preconditioning strategies have successfully been translated to clinical practice due to the invasiveness of most proposed approaches, their suboptimal effects, and their challenging regulatory approval...
November 17, 2017: Angiogenesis
https://www.readbyqxmd.com/read/29147673/the-regulation-of-snail-on-the-ubiquitin-edge
#20
Qian Yu, Binhua P Zhou, Yadi Wu
Metastasis accounts for a majority of cancer death. One key feature during metastasis is epithelial-mesenchymal transition (EMT), which is regulated by transcription factors such as Snail and Twist. In non-malignant cells, Snail has a short half-life and is degraded via ubiquitination, but its stability is increased in cancer cell. However, the mechanism by which Snail escapes ubiquitination and degradation remains unknown. Recently, we found that Dub3 is a deubiquinase of Snail. Most importantly, we determined that Dub3 responded to extracellular signals such as IL-6, and that the resultant signaling prevented Snail degradation, and promoted cancer growth, invasion, and migration...
2017: Cancer Cell & Microenvironment
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