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https://www.readbyqxmd.com/read/28424889/quality-of-life-with-biweekly-docetaxel-and-capecitabine-in-advanced-gastro-oesophageal-cancer
#1
E A Korkeila, T Salminen, R Kallio, M Mikkola, P Auvinen, S Pyrhönen, R Ristamäki
PURPOSE: This study aimed to evaluate the feasibility and tolerability of biweekly docetaxel with capecitabine as first-line treatment in advanced gastro-oesophageal cancer. METHODS: Fifty-three patients at median age of 61 years with advanced gastric cancer were included in this prospective, non-randomized, multicentre phase II trial to receive intravenous docetaxel 50 mg/m(2) on days 1 and 15, and oral capecitabine 1250 mg/m(2) every 12 h, on days 1-7 and 15-21 of each 28-day cycle...
April 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28423719/ampk%C3%AE-phosphatase-ppm1e-upregulation-in-human-gastric-cancer-is-required-for-cell-proliferation
#2
Min-Bin Chen, Yuan-Yuan Liu, Li-Bo Cheng, Jian-Wei Lu, Ping Zeng, Pei-Hua Lu
Activation of AMP-activated protein kinase (AMPK) is a valuable anti-cancer strategy. In the current study, we tested expression and potential function of Ca2+/calmodulin-dependent protein kinase phosphatase (Ppm1E), an AMPKα phosphatase, in human gastric cancers. Ppm1E expression was elevated in human gastric cancer tissues (vs. normal tissues), which was correlated with AMPK (p-AMPKα, Thr-172) dephosphorylation and mTOR complex 1 (mTORC1) activation. Ppm1E upregulation, AMPK inhibition and mTORC1 activation were also observed in human gastric cancer cell lines (AGS, HGC-27, and SNU601)...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415835/the-role-of-chemotherapy-in-unresectable-or-metastatic-adenocarcinoma-of-the-stomach-and-gastroesophageal-junction
#3
Mustafa Bozkurt, Fatemeh G Amlashi, Mariela Blum Murphy
Gastric cancer including gastro-esophageal junction adenocarcinomas are most challenging and deadly cancers of the gastrointestinal tract. Gastric cancer has a fatality-to-case ratio of 0.66, translating that nearly two thirds of newly diagnosed patients will have disseminated disease and in need of systemic therapy (1). Advanced gastric adenocarcinoma (AGC) is a heterogenous disease with differences in geographical distribution, histopathology, and molecular subtypes. Fluoropyrimidines (5-FU, S-1, and capecitabine), platinum compounds (cisplatin, oxaliplatin), taxanes (paclitaxel, docetaxel), and the topoisomerase inhibitory irinotecan are active drugs against AGC...
April 14, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28404551/endocervical-gastric-type-adenocarcinoma-an-unrelated-hpv-tumour-difficulties-in-screening-and-diagnosis
#4
Priscila Carneiro Lima, Julio Teixeira, Guilherme Nogueira Aires, Liliana De Angelo Andrade
Gastric-type adenocarcinoma of the cervix (GAS) is an uncommon and aggressive tumour unrelated to human papillomavirus (HPV) infection with distinctive histological and immunohistochemical characteristics. GAS may be associated with lobular endocervical glandular hyperplasia (LEGH), another unusual lesion. We report a case of a 59-year-old woman with screening cytology 'AGC-Neo' and cervical conisation exhibiting cervical intraepithelial neoplasia grade 1, extensive LEGH and canal sampling with abundant mucinous cells...
April 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28400999/mtor-function-and-therapeutic-targeting-in-breast-cancer
#5
REVIEW
Stephen H Hare, Amanda J Harvey
The mTOR pathway was discovered in the late 1970s after the compound and natural inhibitor of mTOR, rapamycin was isolated from the bacterium Streptomyces hygroscopicus. mTOR is serine/threonine kinase belonging to the phosphoinositide 3-kinase related kinase (PIKK) family. It forms two distinct complexes; mTORC1 and mTORC2. mTORC1 has a key role in regulating protein synthesis and autophagy whilst mTORC2 is involved in regulating kinases of the AGC family. mTOR signaling is often over active in multiple cancer types including breast cancer...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28393278/anthracycline-based-triplets-do-not-improve-the-efficacy-of-platinum-fluoropyrimidine-doublets-in-first-line-treatment-of-advanced-gastric-cancer-real-world-data-from-the-agamemon-national-cancer-registry
#6
A Carmona-Bayonas, P Jiménez-Fonseca, A Custodio, M Sánchez Cánovas, R Hernández, C Pericay, I Echavarria, A Lacalle, L Visa, A Rodríguez Palomo, M Mangas, J M Cano, E Buxo, F Álvarez-Manceñido, T García, J E Lorenzo, M Ferrer-Cardona, A Viudez, A Azkarate, A Ramchandani, D Arias, F Longo, C López, R Sánchez Bayona, M L Limón, A Díaz-Serrano, A Fernández Montes, P Sala, P Cerdá, F Rivera, J Gallego
BACKGROUND: Although anthracycline-based triplets are one of the most widely used schedules to treat advanced gastric cancer (AGC), the benefit of including epirubicin in these therapeutic combinations remains unknown. This study aims to evaluate both the efficacy and tolerance of triplets with epirubicin vs. doublets with platinum-fluoropyrimidine in a national AGC registry. METHODS: Patients with AGC treated with polychemotherapy without trastuzumab at 28 hospitals in Spain between 2008 and 2016 were included...
April 9, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28389797/laparoscopic-subtotal-gastrectomy-for-advanced-gastric-cancer-technical-aspects-and-surgical-nutritional-and-oncological-outcomes
#7
Masaya Nakauchi, Koichi Suda, Kenichi Nakamura, Susumu Shibasaki, Kenji Kikuchi, Tetsuya Nakamura, Shinichi Kadoya, Yoshinori Ishida, Kazuki Inaba, Keizo Taniguchi, Ichiro Uyama
BACKGROUND: Higher morbidity in total gastrectomy than in distal gastrectomy has been reported, but laparoscopic subtotal gastrectomy (LsTG) has been reported to be safe and feasible in early gastric cancer (GC). We determined the surgical, nutritional and oncological outcomes of LsTG for advanced gastric cancer (AGC). METHODS: Of the 816 consecutive patients with GC who underwent radical gastrectomy at our institution between 2008 and 2012, 253 who underwent curative laparoscopic gastrectomy (LG) for AGC were enrolled...
April 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28377748/evidence-for-contemporary-switching-of-the-o-antigen-gene-cluster-between-shiga-toxin-producing-escherichia-coli-strains-colonizing-cattle
#8
Lutz Geue, Christian Menge, Inga Eichhorn, Torsten Semmler, Lothar H Wieler, Derek Pickard, Christian Berens, Stefanie A Barth
Shiga toxin-producing Escherichia coli (STEC) comprise a group of zoonotic enteric pathogens with ruminants, especially cattle, as the main reservoir. O-antigens are instrumental for host colonization and bacterial niche adaptation. They are highly immunogenic and, therefore, targeted by the adaptive immune system. The O-antigen is one of the most diverse bacterial cell constituents and variation not only exists between different bacterial species, but also between individual isolates/strains within a single species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28373297/regulation-of-protein-interactions-by-mob1-phosphorylation
#9
Shawn Xiong, Amber L Couzens, Michelle J Kean, Daniel Y Mao, Sebastian Guettler, Igor Kurinov, Anne-Claude Gingras, Frank Sicheri
MOB1 is a multifunctional protein best characterized for its integrative role in regulating Hippo and NDR pathway signaling in metazoans and the Mitotic Exit Network in yeast. Human MOB1 binds both the upstream kinases MST1 and MST2 and the downstream AGC group kinases LATS1, LATS2, NDR1 and NDR2. Binding of MOB1 to MST1 and MST2 is mediated by its phosphopeptide-binding infrastructure, the specificity of which matches the phosphorylation consensus of MST1 and MST2. On the other hand, binding of MOB1 to the LATS and NDR kinases is mediated by a distinct interaction surface on MOB1...
April 3, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28353006/efficacy-and-cost-effectiveness-of-second-line-chemotherapy-in-elderly-patients-with-advanced-gastric-cancer
#10
K Zhou, F Wen, P Zhang, J Zhou, H Chen, H Zheng, Y Yang, Q Li
PURPOSE: Second-line chemotherapy has been shown to benefit patients with advanced gastric cancer (AGC), extending the overall survival (OS) and progression-free survival (PFS). This study aimed to assess the efficacy and cost-effectiveness of second-line treatment for elderly patients with AGC. METHODS: Medical records and follow-up information of elderly patients (≥70 years) with AGC who received second-line chemotherapy were collected. A Markov model comprising three health states PFS, progressive disease and death was developed to simulate the process of AGC...
March 28, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28342244/the-utility-of-pap-cell-block-preparations-with-liqui-prep%C3%A2-cell-pellets-to-clarify-the-cytological-diagnosis-of-atypical-squamous-cells-of-undetermined-significance-and-atypical-glandular-cells
#11
Nicholas B George, Jashua Haddad Baldassari, Digno A Pérez Taveras, María José Fernández, María Concepción Robledo
OBJECTIVE: Atypical squamous cells of undetermined significance (ASCUS) and atypical glandular cells (AGC) reflect cellular abnormalities insufficient for clear diagnosis. We used cell pellets obtained from liquid-based cytology (LBC) to prepare cell blocks (CB) and clarify the initial diagnosis of ASCUS and AGC. STUDY DESIGN: A total of 393 CBs with initial diagnosis of ASCUS or AGC were processed. Of those, 305 of the ASCUS and 20 of the AGC had adequate specimens...
March 24, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28339539/unique-aggregation-of-conjugated-amphotericin-b-and-its-interaction-with-lipid-membranes
#12
Sarah Kagan, Diana E Ickowicz, Abraham J Domb, Arie Dagan, Itzhack Polacheck
The purpose of this paper was to investigate the aggregation of amphotericin B (AMB) and AMB-arabinogalactan conjugate (AMB-AGC), and the interactions of these drugs with free and membrane-embedded sterols. Aggregation of AMB and AMB-AGC was studied by circular dichroic (CD) and UV absorbance spectroscopic techniques. The effect of liposomes on the spectra was utilized to investigate the interactions of aggregates with membrane-embedded sterols. Interaction with free sterols was studied by measuring sterols' effect on AMB/AMB-AGC susceptibility test...
October 7, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28335576/genome-wide-identification-and-evolutionary-analysis-of-sarcocystis-neurona-protein-kinases
#13
Edwin K Murungi, Henry M Kariithi
The apicomplexan parasite Sarcocystis neurona causes equine protozoal myeloencephalitis (EPM), a degenerative neurological disease of horses. Due to its host range expansion, S. neurona is an emerging threat that requires close monitoring. In apicomplexans, protein kinases (PKs) have been implicated in a myriad of critical functions, such as host cell invasion, cell cycle progression and host immune response evasion. Here, we used various bioinformatics methods to define the kinome of S. neurona and phylogenetic relatedness of its PKs to other apicomplexans...
March 21, 2017: Pathogens
https://www.readbyqxmd.com/read/28303362/phase-i-ii-study-of-a-combination-of-capecitabine-cisplatin-and-intraperitoneal-docetaxel-xp-id-in-advanced-gastric-cancer-patients-with-peritoneal-metastasis
#14
Hyungwoo Cho, Min-Hee Ryu, Kyu-Pyo Kim, Baek-Yeol Ryoo, Sook Ryun Park, Bum Soo Kim, In-Seob Lee, Hee-Sung Kim, Moon-Won Yoo, Jeong Hwan Yook, Seong Tae Oh, Byung Sik Kim, Yoon-Koo Kang
BACKGROUND: This study was conducted to determine the recommended dose (RD) of intraperitoneal docetaxel (ID) in combination with systemic capecitabine and cisplatin (XP) and to evaluate its efficacy and safety at the RD in advanced gastric cancer (AGC) patients with peritoneal metastasis. METHODS: AGC patients with peritoneal metastasis received XP ID, which consists of 937.5 mg/m(2) of capecitabine twice daily on days 1-14, 60 mg/m(2) of intravenous cisplatin on day 1, and intraperitoneal docetaxel at 3 different dose levels (60, 80, or 100 mg/m(2)) on day 1, every 3 weeks...
March 16, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28287465/serine-threonine-kinase-3-phosphoinositide-dependent-protein-kinase-1-pdk1-as-a-key-regulator-of-cell-migration-and-cancer-dissemination
#15
REVIEW
Laura Di Blasio, Paolo A Gagliardi, Alberto Puliafito, Luca Primo
Dissecting the cellular signaling that governs the motility of eukaryotic cells is one of the fundamental tasks of modern cell biology, not only because of the large number of physiological processes in which cell migration is crucial, but even more so because of the pathological ones, in particular tumor invasion and metastasis. Cell migration requires the coordination of at least four major processes: polarization of intracellular signaling, regulation of the actin cytoskeleton and membrane extension, focal adhesion and integrin signaling and contractile forces generation and rear retraction...
March 11, 2017: Cancers
https://www.readbyqxmd.com/read/28277030/cost-minimization-analysis-of-capecitabine-versus-5-fluorouracil-based-treatment-for-gastric-cancer-patients-in-hong-kong
#16
Keary R Zhou, Ashley Cheng, W T Ng, T Y Kwok, Elton Y P Yip, Rosa Yao, P Y Leung, V W Y Lee
BACKGROUND: EOX (epirubicin, oxaliplatin, Xeloda; capecitabine) and FOLFOX4 (5-fluorouracil (5-FU), leucovorin, oxaliplatin) are the common chemotherapy regimens used in the treatment of advanced gastric cancer (aGC) in Hong Kong. This study aimed to compare the costs of these therapies for aGC patients from both the healthcare and societal perspectives. It should be noted that, while FOLFOX4 is routinely administered in an outpatient setting in North America and Europe, inpatient setting is adopted in Hong Kong instead, incurring hospitalization cost as a result...
March 2, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28269324/a-simulation-analysis-of-the-variability-of-the-roving-level-hearing-test
#17
Greg D Watkins, Brett A Swanson, Gregg J Suaning
In the study of auditory prostheses, the Speech Recognition Threshold (SRT) is the Signal to Noise Ratio (SNR) at which 50% of words are correctly identified. SRT is typically measured using an adaptive procedure wherein speech is presented at a fixed sound pressure level (SPL) and the noise level is varied according to the subject's responses. A roving level SRT test has been used by researchers with the goal of including the effectiveness of Automatic Gain Control (AGC) systems in SRT measurements. The roving method presents speech at three different SPLs with the level for each sentence chosen pseudo-randomly, while adaptively varying the SNR...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269120/automated-embolic-signal-detection-using-adaptive-gain-control-and-classification-using-anfis
#18
Praotasna Sombune, Phongphan Phienphanich, Sombat Muengtaweepongsa, Anuchit Ruamthanthong, Charturong Tantibundhit
This work proposes an automated system for real-time high-accuracy detection of cerebral embolic signals (ES) to couple with transcranial Doppler ultrasound (TCD) devices in diagnosing a risk of stroke. The algorithm employs Adaptive Gain Control (AGC) approach to capture suspected ESs in real-time. Then, Adaptive Wavelet Packet Transform (AWPT) and Fast Fourier Transform (FFT) are used to extract from them features most efficiently representing ES, which determined by Sequential Feature Selection technique...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268701/dual-mode-cmos-analog-front-end-afe-for-electrical-impedance-spectroscopy-eis-systems
#19
Virgilio Valente, Dai Jiang, Andreas Demosthenous
This paper presents the operation of a dual-mode wideband CMOS analog front-end (AFE) for electrical impedance spectroscopy. The chip combines two current-readout (CR) channels and four voltage-readout (VR) channels suitable for both bipolar and tetrapolar EIS analysis. The chip addresses the need for flexible readout units for real-time simultaneous single-cell and large scale tissue/organ analysis. Postlayout simulations show that the VR channel is capable of wideband operation up to 12 MHz with noise floor as low as 16...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264193/substrate-specificity-of-tor-complex-2-is-determined-by-a-ubiquitin-fold-domain-of-the-sin1-subunit
#20
Hisashi Tatebe, Shinichi Murayama, Toshiya Yonekura, Tomoyuki Hatano, David Richter, Tomomi Furuya, Saori Kataoka, Kyoko Furuita, Chojiro Kojima, Kazuhiro Shiozaki
The target of rapamycin (TOR) protein kinase forms multi-subunit TOR complex 1 (TORC1) and TOR complex 2 (TORC2), which exhibit distinct substrate specificities. Sin1 is one of the TORC2-specific subunit essential for phosphorylation and activation of certain AGC-family kinases. Here, we show that Sin1 is dispensable for the catalytic activity of TORC2, but its conserved region in the middle (Sin1CRIM) forms a discrete domain that specifically binds the TORC2 substrate kinases. Sin1CRIM fused to a different TORC2 subunit can recruit the TORC2 substrate Gad8 for phosphorylation even in the sin1 null mutant of fission yeast...
March 7, 2017: ELife
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