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https://www.readbyqxmd.com/read/28948442/correlation-between-voxel-wise-enhancement-parameters-on-dce-mri-and-pathological-prognostic-factors-in-invasive-breast-cancers
#1
Rubina Manuela Trimboli, Marina Codari, Katia Khouri Chalouhi, Ileana Ioan, Giovanna Lo Bue, Arianna Ottini, Daniela Casolino, Luca Alessandro Carbonaro, Francesco Sardanelli
PURPOSE: To investigate the correlation between enhancement parameters on dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and pathologic prognostic factors in invasive breast cancers (BCs). MATERIALS AND METHODS: A total of 25 invasive BCs were included: 22 invasive ductal, 2 invasive lobular and 1 invasive mucinous. The tumor volume was segmented using a semi-automatic software (Olea Sphere). The following voxel-wise enhancement parameters were extracted: (1) time to peak enhancement; (2) signal intensity at peak (SIP); (3) peak enhancement percentage (PEP); (4) post-initial enhancement percentage (PIEP)...
September 25, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28870748/sulfated-polysaccharide-of-sepiella-maindroni-ink-inhibits-the-migration-invasion-and-matrix-metalloproteinase-2-expression-through-suppressing-egfr-mediated-p38-mapk-and-pi3k-akt-mtor-signaling-pathways-in-skov-3-cells
#2
Wenjie Jiang, Yanna Cheng, Na Zhao, Lian Li, Yikang Shi, Aizhen Zong, Fengshan Wang
Previous studies demonstrated that SIP-SII, a sulfated derivative of SIP that is isolated from the ink of Sepiella maindroni, showed significant inhibition of tumor growth and metastasis. In this study, the effects of SIP-SII on the migration, invasion and molecular mechanism in ovarian cancer cell line, SKOV-3 cells, were investigated. The flow cytometry, confocal microscope observation, western blot and RT-PCR results indicated that SIP-SII located on cell membrane and inhibited the expression and activation of epidermal growth factor receptor (EGFR)...
September 1, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28830011/inhibition-of-egf-induced-migration-and-invasion-by-sulfated-polysaccharide-of-sepiella-maindroni-ink-via-the-suppression-of-egfr-akt-p38-mapk-mmp-2-signaling-pathway-in-kb-cells
#3
Wenjie Jiang, Weilu Tian, Muhammad Ijaz, Fengshan Wang
SIP-SII, the sulfated Sepiella maindroni ink polysaccharide (SIP), has been manifested to possess anti-tumor and anti-metastasis activity in vivo and in vitro. In the present study, we evaluated its inhibitory effect on the epidermal growth factor (EGF)-induced migration and invasion of human epidermoid carcinoma cell (KB cell line) as well as the related signaling pathways. The results of MTT assay indicated that SIP-SII inhibited the proliferation of KB cells in a concentration and time dependent manner. Notably, the attenuation of cell growth by SIP-SII was enlarged in the presence of EGF...
August 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28806761/transcriptome-analysis-of-pdgfr%C3%AE-cells-identifies-t-type-ca2-channel-cacna1g-as-a-new-pathological-marker-for-pdgfr%C3%AE-cell-hyperplasia
#4
Se Eun Ha, Moon Young Lee, Masaaki Kurahashi, Lai Wei, Brian G Jorgensen, Chanjae Park, Paul J Park, Doug Redelman, Kent C Sasse, Laren S Becker, Kenton M Sanders, Seungil Ro
Platelet-derived growth factor receptor alpha (PDGFRα)+ cells are distributed into distinct morphological groups within the serosal, muscular, and submucosal layers as well as the myenteric and deep muscular plexi. PDGFRα+ cells directly interact with interstitial cells of Cajal (ICC) and smooth muscle cells (SMC) in gastrointestinal smooth muscle tissue. These three cell types, SMC, ICC, and PDGFRα+ cells (SIP cells), form an electrical syncytium, which dynamically regulates gastrointestinal motility. We have previously reported the transcriptomes of SMC and ICC...
2017: PloS One
https://www.readbyqxmd.com/read/28746345/cisplatin-resistance-in-non-small-cell-lung-cancer-cells-is-associated-with-an-abrogation-of-cisplatin-induced-g2-m-cell-cycle-arrest
#5
Navin Sarin, Florian Engel, Ganna V Kalayda, Mareike Mannewitz, Jindrich Cinatl, Florian Rothweiler, Martin Michaelis, Hisham Saafan, Christoph A Ritter, Ulrich Jaehde, Roland Frötschl
The efficacy of cisplatin-based chemotherapy in cancer is limited by the occurrence of innate and acquired drug resistance. In order to better understand the mechanisms underlying acquired cisplatin resistance, we have compared the adenocarcinoma-derived non-small cell lung cancer (NSCLC) cell line A549 and its cisplatin-resistant sub-line A549rCDDP2000 with regard to cisplatin resistance mechanisms including cellular platinum accumulation, DNA-adduct formation, cell cycle alterations, apoptosis induction and activation of key players of DNA damage response...
2017: PloS One
https://www.readbyqxmd.com/read/28478937/coexpression-of-growth-differentiation-factor-11-and-reactive-oxygen-species-in-metastatic-oral-cancer-and-its-role-in-inducing-the-epithelial-to-mesenchymal-transition
#6
Xiangming Qin, Hai Kuang, Lei Chen, Shanliang Wei, Dahai Yu, Feixin Liang
OBJECTIVES: The aim of this study was to investigate growth differentiation factor 11 (GDF11) and reactive oxygen species (ROS) expression in metastatic oral cancer and explored their roles in inducing epithelial to mesenchymal transition (EMT). STUDY DESIGN: The expression of GDF11, ROS, and EMT-related markers was evaluated in primary tumor tissues from patients with oral squamous cell carcinoma (OSCC). SCC-9 cells, a human tongue carcinoma cell line, were treated with recombinant GDF11...
June 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28416275/cisplatin-analogs-confer-protection-against-cyanide-poisoning
#7
Anjali K Nath, Xu Shi, Devin L Harrison, Jordan E Morningstar, Sari Mahon, Adriano Chan, Patrick Sips, Jangwoen Lee, Calum A MacRae, Gerry R Boss, Matthew Brenner, Robert E Gerszten, Randall T Peterson
Cisplatin holds an illustrious position in the history of chemistry most notably for its role in the virtual cure of testicular cancer. Here we describe a role for this small molecule in cyanide detoxification in vivo. Cyanide kills organisms as diverse as insects, fish, and humans within seconds to hours. Current antidotes exhibit limited efficacy and are not amenable to mass distribution requiring the development of new classes of antidotes. The binding affinity of the cyanide anion for the positively charged metal platinum is known to create an extremely stable complex in vitro...
May 18, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28388095/biomimetic-bacterial-identification-platform-based-on-thermal-wave-transport-analysis-twta-through-surface-imprinted-polymers
#8
Erik Steen Redeker, Kasper Eersels, Onno Akkermans, Jeroen Royakkers, Simba Dyson, Kunya Nurekeyeva, Beniamino Ferrando, Peter Cornelis, Marloes Peeters, Patrick Wagner, Hanne Diliën, Bart van Grinsven, Thomas Jan Cleij
This paper introduces a novel bacterial identification assay based on thermal wave analysis through surface-imprinted polymers (SIPs). Aluminum chips are coated with SIPs, serving as synthetic cell receptors that have been combined previously with the heat-transfer method (HTM) for the selective detection of bacteria. In this work, the concept of bacterial identification is extended toward the detection of nine different bacterial species. In addition, a novel sensing approach, thermal wave transport analysis (TWTA), is introduced, which analyzes the propagation of a thermal wave through a functional interface...
May 12, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28361045/phase-i-clinical-trial-of-sipuleucel-t-combined-with-escalating-doses-of-ipilimumab-in-progressive-metastatic-castrate-resistant-prostate-cancer
#9
Mark Scholz, Sabrina Yep, Micah Chancey, Colleen Kelly, Ken Chau, Jeffrey Turner, Richard Lam, Charles G Drake
BACKGROUND: Sipuleucel-T (SIP-T), which functions by stimulating cancer-specific dendritic cells, prolongs survival in men with prostate cancer. Ipilimumab (IPI) achieved a borderline survival advantage in a large randomized trial. SIP-T and IPI are potentially synergistic. PATIENTS AND METHODS: Nine men with progressive metastatic castrate-resistant prostate cancer (mCRPC) were treated prospectively with SIP-T followed immediately by IPI with one of the following doses of IPI: 1 mg/kg at 1 week after SIP-T; 1 mg/kg at 1 and 4 weeks after SIP-T; or 1 mg/kg at 1, 4, and 7 weeks after SIP-T...
2017: ImmunoTargets and Therapy
https://www.readbyqxmd.com/read/28348190/improving-swallowing-outcomes-in-patients-with-head-and-neck-cancer-using-a-theory-based-pretreatment-swallowing-intervention-package-protocol-for-a-randomised-feasibility-study
#10
Roganie Govender, Christina H Smith, Benjamin Gardner, Helen Barratt, Stuart A Taylor
INTRODUCTION: The incidence of head and neck cancer (HNC) in the UK is rising, with an average of 31 people diagnosed daily. Patients affected by HNC suffer significant short-term and long-term post-treatment morbidity as a result of dysphagia, which affects daily functioning and quality of life (QOL). Pretreatment swallowing exercises may provide additional benefit over standard rehabilitation in managing dysphagia after primary HNC treatments, but uncertainty about their effectiveness persists...
March 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/28196083/cacybp-sip-promotes-the-proliferation-of-colon-cancer-cells
#11
Huihong Zhai, Yongquan Shi, Xiong Chen, Jun Wang, Yuanyuan Lu, Faming Zhang, Zhengxiong Liu, Ting Lei, Daiming Fan
CacyBP/SIP is a component of the ubiquitin pathway and is overexpressed in several transformed tumor tissues, including colon cancer, which is one of the most common cancers worldwide. It is unknown whether CacyBP/SIP promotes the proliferation of colon cancer cells. This study examined the expression level, subcellular localization, and binding activity of CacyBP/SIP in human colon cancer cells in the presence and absence of the hormone gastrin. We found that CacyBP/SIP was expressed in a high percentage of colon cancer cells, but not in normal colonic surface epithelium...
2017: PloS One
https://www.readbyqxmd.com/read/28138949/stereotactic-body-radiotherapy-sbrt-in-recurrent-or-oligometastatic-pancreatic-cancer-a%C3%A2-toxicity-review-of-simultaneous-integrated-protection-sip-versus-conventional-sbrt
#12
COMPARATIVE STUDY
E Gkika, S Adebahr, S Kirste, T Schimek-Jasch, R Wiehle, R Claus, U Wittel, U Nestle, D Baltas, A L Grosu, T B Brunner
BACKGROUND: Stereotactic body radiotherapy (SBRT) in pancreatic cancer can be limited by its proximity to organs at risk (OAR). In this analysis, we evaluated the toxicity and efficacy of two different treatment approaches in patients with locally recurrent or oligometastatic pancreatic cancer. MATERIALS AND METHODS: According to the prescription method, patients were divided in two cohorts (C1 and C2). The planning target volume (PTV) was created through a 4 mm expansion of the internal target volume...
June 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28096961/polysaccharide-from-sepia-esculenta-ink-and-cisplatin-inhibit-synergistically-proliferation-and-metastasis-of-triple-negative-breast-cancer-mda-mb-231-cells
#13
Hua-Zhong Liu, Wei Xiao, Yi-Peng Gu, Ye-Xing Tao, Da-Yan Zhang, Hui Du, Jiang-Hua Shang
OBJECTIVES: This paper aims to investigate synergistic inhibition of polysaccharide from Sepia esculenta ink (SIP), a newly isolated marine polysaccharide in our laboratory, on breast cancer MDA-MB-231 cells exposed to cisplatin. MATERIALS AND METHODS: Cell viability of MDA-MB-231 cells was determined by CCK 8 assay. Median-effect concentration was analyzed using Chou-Talalay method that was also subjected to determine cell inhibition ratio and combined index, as well as interaction between SIP and cisplatin...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27972527/is-the-integrated-electronic-health-record-cost-effective-for-a-cancer-consultation-results-from-the-e-si-preps-sips-study
#14
C Pilet, Augusto, S Hamana, T Durand, S Aloui, A Doly, P E Heudel, L Chauvenet, M Perol, G Gonzalez, P Biron, L Perrier
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27965858/development-and-feasibility-of-a-swallowing-intervention-package-sip-for-patients-receiving-radiotherapy-treatment-for-head-and-neck-cancer-the-sip-study-protocol
#15
Mary Wells, Emma King, Kate Toft, Fiona MacAulay, Joanne Patterson, Nadine Dougall, Nick Hulbert-Williams, Sally Boa, Eleanor Slaven, Julie Cowie, John McGarva, Patricia Gail Niblock, Julie Philp, Justin Roe
BACKGROUND: Head and neck cancer (HNC) is the sixth most common cancer worldwide, and the functional, psychological and social consequences of HNC cancer and its treatment can be severe and chronic. Dysphagia (swallowing problems) affects up to two thirds of patients undergoing combined chemoradiotherapy. Recent reviews suggest that prophylactic swallowing exercises may improve a range of short- and long-term outcomes; however, the importance of psychological and behavioural factors on adherence to swallowing exercises has not been adequately studied...
2016: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/27951455/relationship-of-inflammatory-profile-of-elderly-patients-serum-and-senescence-associated-secretory-phenotype-with-human-breast-cancer-cells-proliferation-role-of-il6-il8-ratio
#16
Bertha Alicia Barajas-Gómez, Oscar Rosas-Carrasco, Sandra Lisbeth Morales-Rosales, Gibrán Pedraza Vázquez, Viridiana Yazmín González-Puertos, Teresa Juárez-Cedillo, Jorge Antonio García-Álvarez, Norma Edith López-Diazguerrero, Pablo Damián-Matsumura, Mina Königsberg, Armando Luna-López
Aging is considered a systemic, chronic and low-grade inflammatory state, called "inflammaging", which has been contemplated as a risk factor for cancer development and progression in the elderly population. Cellular senescence is a multifactorial phenomenon of growth arrest and distorted function, which has been recognized as a contributor to aging. Senescent cells have an altered secretion pattern called Senescent Associated Secretory Phenotype (SASP), that comprise a complex mix of factors including cytokines, growth factors, chemokines and matrix metalloproteinases among others...
March 2017: Cytokine
https://www.readbyqxmd.com/read/27637491/chemotherapy-appointment-scheduling-under-uncertainty-using-mean-risk-stochastic-integer-programming
#17
Michelle Alvarado, Lewis Ntaimo
Oncology clinics are often burdened with scheduling large volumes of cancer patients for chemotherapy treatments under limited resources such as the number of nurses and chairs. These cancer patients require a series of appointments over several weeks or months and the timing of these appointments is critical to the treatment's effectiveness. Additionally, the appointment duration, the acuity levels of each appointment, and the availability of clinic nurses are uncertain. The timing constraints, stochastic parameters, rising treatment costs, and increased demand of outpatient oncology clinic services motivate the need for efficient appointment schedules and clinic operations...
September 16, 2016: Health Care Management Science
https://www.readbyqxmd.com/read/27246693/cristacarpin-promotes-er-stress-mediated-ros-generation-leading-to-premature-senescence-by-activation-of-p21-waf-1
#18
Souneek Chakraborty, Reyaz Ur Rasool, Sunil Kumar, Debasis Nayak, Bilal Rah, Archana Katoch, Hina Amin, Asif Ali, Anindya Goswami
Stress-induced premature senescence (SIPS) is quite similar to replicative senescence that is committed by cells exposed to various stress conditions viz. ultraviolet radiation (DNA damage), hydrogen peroxide (oxidative stress), chemotherapeutic agents (cytotoxic threat), etc. Here, we report that cristacarpin, a natural product obtained from the stem bark of Erythrina suberosa, promotes endoplasmic reticulum (ER) stress, leading to sub-lethal reactive oxygen species (ROS) generation and which eventually terminates by triggering senescence in pancreatic and breast cancer cells through blocking the cell cycle in the G1 phase...
June 2016: Age (2005-)
https://www.readbyqxmd.com/read/27219115/effect-of-acupuncture-on-reducing-duration-of-postoperative-ileus-after-gastrectomy-in-patients-with-gastric-cancer-a-pilot-study-using-sitz-marker
#19
RANDOMIZED CONTROLLED TRIAL
Hyun-Dong Chae, Min-Ah Kwak, In-Hwan Kim
OBJECTIVES: Postoperative ileus (POI) is a common problem after abdominal surgery. Acupuncture is being accepted as an option for reducing POI and managing various functional gastrointestinal disorders. Therefore, this pilot study was conducted to evaluate the effect of acupuncture on reducing duration of POI and other surgical outcomes in patients who underwent gastric surgery. DESIGN: A prospective, randomized, controlled pilot study was conducted on patients who underwent gastric cancer surgery from January 2013 to December 2013...
June 2016: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/27138192/immunohistochemical-study-emt-related-proteins-in-hpv-and-ebv-negative-patients-with-sinonasal-tumours
#20
Olga Stasikowska-Kanicka, Małgorzata Wągrowska-Danilewicz, Marian Danilewicz
Epithelial to mesenchymal transition (EMT) is a biological process in which the epithelial cells, transform to mesenchymal cells via multiple biochemical modifications. Immunohistochemical method was used to examine the expression of EMT-related proteins: Slug, E-cadherin and fibronectin, in 41 cases of sinonasal inverted papilloma (SIP), 33 cases of sinonasal squamous cell carcinoma (SNC), and 22 cases of normal mucosa as a control. In all cases negative viral status was previously confirmed using both in situ hybridization and immunohistochemical method...
October 2016: Pathology Oncology Research: POR
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