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https://www.readbyqxmd.com/read/28650355/axillary-dissection-and-nodal-irradiation-can-be-avoided-for-most-node-positive-z0011-eligible-breast-cancers-a-prospective-validation-study-of-793-patients
#1
Monica Morrow, Kimberly J Van Zee, Sujata Patil, Oriana Petruolo, Anita Mamtani, Andrea V Barrio, Deborah Capko, Mahmoud El-Tamer, Mary L Gemignani, Alexandra S Heerdt, Laurie Kirstein, Melissa Pilewskie, George Plitas, Virgilio S Sacchini, Lisa M Sclafani, Alice Ho, Hiram S Cody
OBJECTIVE: To determine rates of axillary dissection (ALND) and nodal recurrence in patients eligible for ACOSOG Z0011. BACKGROUND: Z0011 demonstrated that patients with cT1-2N0 breast cancers and 1 to 2 involved sentinel lymph nodes (SLNs) having breast-conserving therapy had no difference in locoregional recurrence or survival after SLN biopsy alone or ALND. The generalizability of the results and importance of nodal radiotherapy (RT) is unclear. METHODS: Patients eligible for Z0011 had SLN biopsy alone...
July 22, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28649708/potential-benefits-of-crawl-position-for-prone-radiation-therapy-in-breast-cancer
#2
Bert Boute, Wilfried De Neve, Bruno Speleers, Annick Van Greveling, Christel Monten, Tom Van Hoof, Joris Van de Velde, Leen Paelinck, Werner De Gersem, Tom Vercauteren, Jan Detand, Liv Veldeman
PURPOSE: To investigate crawl position with the arm at the treated side alongside the body and at the opposite side above the head for prone treatment in patients requiring breast and regional lymph node irradiation. METHODS: Patient support devices for crawl position were built for CT simulation and treatment. An asymmetric fork design resulted from an iterative process of prototype construction and testing. The fork's large horn supports the hemi-thorax, shoulder, and elevated arm at the nontreated side and the head...
June 26, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28649694/immunohistochemical-expression-profiles-of-mucin-antigens-in-salivary-gland-mucoepidermoid-carcinoma-muc4-and-muc6-negative-expression-predicts-a-shortened-survival-in-the-early-postoperative-phase
#3
Kie Honjo, Tsubasa Hiraki, Michiyo Higashi, Hirotsugu Noguchi, Mitsuharu Nomoto, Takuya Yoshimura, Surinder K Batra, Suguru Yonezawa, Ichiro Semba, Norifumi Nakamura, Akihide Tanimoto, Sohsuke Yamada
In mucoepidermoid carcinoma (MEC), the most common salivary gland carcinoma, there is a lack of novel prognostic markers, but post-operative early recurrence strongly affects the clinical course and a poor outcome. It is critical to predict which MEC patients are prone to develop recurrence/metastases. Mucins play pivotal roles in influencing cancer biology, thus affecting cell differentiation, adhesion, carcinoma invasion, aggressiveness and/or metastatic potential. Our aim is to elucidate the significance of expression profiles for mucins, particularly MUC4 and MUC6, and their correlations with various clinicopathological features and recurrence in salivary gland MECs...
June 26, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28649040/oxidative-potential-of-particulate-matter-2-5-as-predictive-indicator-of-cellular-stress
#4
Bélinda Crobeddu, Leticia Aragao-Santiago, Linh-Chi Bui, Sonja Boland, Armelle Baeza Squiban
Particulate air pollution being recognized to be responsible for short and long term health effects, regulations for particulate matter with an aerodynamic diameter less than 2.5 (PM2.5) are more and more restrictive. PM2.5 regulation is based on mass without taking into account PM2.5 composition that drives toxicity. Measurement of the oxidative potential (OP) of PM could be an additional PM indicator that would encompass the PM components involved in oxidative stress, the main mechanism of PM toxicity. We compared different methods to evaluate the intrinsic oxidative potential of PM2...
June 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28648403/genetic-determinant-of-bacillus-pumilus-lipase-lethality-and-its-application-as-positive-selection-cloning-vector-in-escherichia-coli
#5
Nobalanda Betty Mabizela-Mokoena, Shonisani Wendy Limani, Ignatious Ncube, Lizelle Piater, Derek Litthauer, Mulalo Bethuel Nthangeni
Positive selection vectors carry genes that upon expression produce proteins that cause host cell deaths. Insertion of foreign DNA fragments within the ORF of the gene disrupts the lethal effect of the expressed protein. This study described the cloning of Family I.4 Bacillus pumilus lipase gene whose expressed protein is toxic and lethal to Escherichia coli JM109 (DE3) cells. The determinant of toxicity was identified through Error-prone PCR to be the nature of amino acid residue resident at position 28 of the mature lipase protein...
June 22, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28647282/cxcl16-cxcr6-mediated-adhesion-of-human-peripheral-blood-mononuclear-cells-to-inflamed-endothelium
#6
Bona Linke, Sascha Meyer Dos Santos, Bettina Picard-Willems, Michael Keese, Sebastian Harder, Gerd Geisslinger, Klaus Scholich
The endothelial chemokine CXC motif ligand 16 (CXCL16) is involved in the recruitment and firm adhesion of CXCR6(+) cells to the atherosclerosis-prone aortic vessel wall. Recently we showed that CXCR6(+) platelets from flowing blood attach to CXCL16 expressed by activated endothelium on the luminal side of the blood vessel. With this study we supplement these findings with the observation that platelets bound to the inflamed endothelium are presenting CXCR6 to CXCL16-positive peripheral blood mononuclear cells (PBMCs) and, thus, are mediating an increased adhesion of PBMCs to the arterial wall...
June 21, 2017: Cytokine
https://www.readbyqxmd.com/read/28647196/smooth-muscle-cells-of-human-veins-show-an-increased-response-to-injury-at-valve-sites
#7
Shinsuke Kikuchi, Lihua Chen, Kevin Xiong, Yukihiro Saito, Nobuyoshi Azuma, Gale Tang, Michael Sobel, Thomas N Wight, Richard D Kenagy
OBJECTIVE: Venous valves are essential but are prone to injury, thrombosis, and fibrosis. We compared the behavior and gene expression of smooth muscle cells (SMCs) in the valve sinus vs nonvalve sites to elucidate biologic differences associated with vein valves. METHODS: Tissue explants of fresh human saphenous veins were prepared, and the migration of SMCs from explants of valve sinus vs nonvalve sinus areas was measured. Proliferation and death of SMCs were determined by staining for Ki67 and terminal deoxynucleotidyl transferase dUTP nick end labeling...
June 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28645604/posterior-paramedian-approach-to-a-ventrally-located-spinal-meningioma
#8
Han Soo Chang
BACKGROUND: To approach a ventral spinal pathology, a lateral viewing angle is often required. However, lateral approaches to the spine are usually more technically demanding and require certain amount of surgical expertise. In this report, we describe a simple and easy technique to obtain the lateral viewing angle to the ventral spinal pathology. CASE DESCRIPTION: The technique is demonstrated in a ventrally located meningioma at C2 level. Axial magnetic resonance imaging (MRI) showed a square posterior shift of the spinal cord with little lateral space, which necessitated a more lateral viewing angle than the conventional posterior approach...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645590/endoscopic-supracerebellar-transtentorial-approach-to-the-atrium-of-the-lateral-ventricle-preliminary-surgical-and-optical-considerations
#9
Tao Xie, Linjun Zhou, Xiaobiao Zhang, Wei Sun, Hailin Ding, Tengfei Liu, Ye Gu, Chongjing Sun, Fan Hu, Wei Zhu
OBJECTIVE: To report the operative techniques of the endoscopic supracerebellar transtentorial approach (ESTA) to the atrium of the lateral ventricle, especially focusing on the role of the endoscope and analyzing optically related issues. METHODS: A retrospective data review was performed on five patients with lesions in the atrium of the lateral ventricle undergoing the ESTA. The patients were positioned in the three-quarters prone position, and a paramidline linear incision was used...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28644314/prone-or-left-for-colonoscopy-a-randomized-controlled-trial-of-prone-versus-left-sided-starting-position-for-colonoscopy
#10
Nikhil Vergis, Alexander J Scarborough, James A Morris, Jonathan M Hoare
BACKGROUND AND AIMS: Data have emerged supporting the right-lateral starting position in reducing time to cecum and improving patient comfort for minimally sedated colonoscopy. We aimed to test whether prone starting position results in similar advantages in procedure time and patient tolerability in comparison to traditional left-sided starting position. MATERIALS AND METHODS: We conducted a randomized controlled trial in which patients were randomized to begin in either the prone or left-lateral (LL) position...
June 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28642726/urban-legends-and-paranormal-beliefs-the-role-of-reality-testing-and-schizotypy
#11
Neil Dagnall, Andrew Denovan, Kenneth Drinkwater, Andrew Parker, Peter J Clough
Recent research suggests that unconventional beliefs are locatable within a generic anomalous belief category. This notion derives from the observation that apparently dissimilar beliefs share fundamental, core characteristics (i.e., contradiction of orthodox scientific understanding of the universe and defiance of conventional understanding of reality). The present paper assessed the supposition that anomalous beliefs were conceptually similar and explicable via common psychological processes by comparing relationships between discrete beliefs [endorsement of urban legends (ULs) and belief in the paranormal] and cognitive-perceptual personality measures [proneness to reality testing (RT) and schizotypy]...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28641350/-laparoscopic-assisted-mobilisation-and-resection-of-a-sacrococcygeal-teratoma-altman-type-iii
#12
Jan Gödeke, Veronika Engel, Oliver Münsterer
Objective This video is a step-by-step illustration of the laparoscopic-assisted mobilisation and resection of a sacrococcygeal teratoma Altman type III. Indication Laparoscopic supralevatory tumour mobilisation is an established method in selected centres and can be the initial step in approaching sacrococcygeal teratomas with an intrapelvic portion, facilitating a complete (R0) resection. Method Laparoscopic surgery is performed in supine position with a 5 mm umbilical trocar, a 5 mm trocar in the right upper abdomen, and two 3 mm trocars in the left middle and lower abdomen...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28639285/porphyrin-modified-trastuzumab-improves-efficacy-of-her2-targeted-photodynamic-therapy-of-gastric-cancer
#13
Barbara Korsak, Gabriela M Almeida, Sara Rocha, Carla Pereira, Nuno Mendes, Hugo Osório, Patrícia M R Pereira, João M M Rodrigues, Rudolf J Schneider, Bruno Sarmento, João P C Tomé, Carla Oliveira
Gastric cancer (GC) is the 3(rd) deadliest cancer worldwide, due to limited treatment options and late diagnosis. Human epidermal growth factor receptor-2 (HER2) is overexpressed in ∼20% of GC cases and anti-HER2 antibody trastuzumab in combination with conventional chemotherapy, is recognized as standard therapy for HER2-positive metastatic GC. This strategy improves GC patients' survival by 2-3 months, however its optimal results in breast cancer indicate that GC survival may be improved. A new photoimmunoconjugate was developed by conjugating a porphyrin with trastuzumab (Trast:Porph) for targeted photodynamic therapy in HER2-positive GC...
June 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28636654/characterization-of-human-fcrl4-positive-b-cells
#14
Michel Jourdan, Nicolas Robert, Maïlys Cren, Coraline Thibaut, Christophe Duperray, Alboukadel Kassambara, Michel Cogné, Karin Tarte, Bernard Klein, Jérôme Moreaux
FCRL4 is an immunoregulatory receptor that belongs to the Fc receptor-like (FCRL) family. In healthy individuals, FCRL4 is specifically expressed by memory B cells (MBCs) localized in sub-epithelial regions of lymphoid tissues. Expansion of FCRL4+ B cells has been observed in blood and other tissues in various infectious and autoimmune disorders. Currently, the mechanisms involved in pathological FCRL4+ B cell generation are actively studied, but they remain elusive. As in vivo FCRL4+ cells are difficult to access and to isolate, here we developed a culture system to generate in vitro FCRL4+ B cells from purified MBCs upon stimulation with soluble CD40 ligand and/or CpG DNA to mimic T-cell dependent and/or T-cell independent activation, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28634639/the-curious-case-of-achromobacter-eurydice-a-gram-variable-pleomorphic-bacterium-associated-with-european-foulbrood-disease-in-honeybees
#15
REVIEW
Silvio Erler, Oleg Lewkowski, Anja Poehlein, Eva Forsgren
Honeybees are prone to parasite and pathogen infestations/infections due to their social colony life. Bacterial pathogens in particular lead to destructive infections of the brood. European foulbrood is caused by the bacterium Melissococcus plutonius in combination with several other Gram-positive bacteria (Achromobacter eurydice, Bacillus pumilus, Brevibacillus laterosporus, Enterococcus faecalis, Paenibacillus alvei, Paenibacillus dendritiformis) involved as secondary invaders following the initial infection...
June 21, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28633079/assessment-of-stormwater-runoff-management-practices-and-bmps-under-soil-sealing-a-study-case-in-a-peri-urban-watershed-of-the-metropolitan-area-of-rome-italy
#16
Fabio Recanatesi, Andrea Petroselli, Maria Nicolina Ripa, Antonio Leone
By 2006, almost 100,000 km(2) of EU soil (2.3% of the whole territory) had been sealed, with a per capita quota of 200 m(2) of sealed surface for each EU citizen. Italy, in 2016, recorded a soil sealing rate of 2.8% of the entire territory. In this context, the urban expansion which occurred in past decades is considered one of the main causes of the increase in flood frequency and intensity in small catchments, causing both social and financial damage. In the present paper, the positive impact of introducing Best Management Practices (BMPs) at urban scale is assessed, with particular regard to the decreasing of flood prone areas...
June 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28633004/field-evaluations-of-newly-available-interference-free-monitors-for-nitrogen-dioxide-no2-and-ozone-o3-at-near-road-and-conventional-naaqs-compliance-sites
#17
Alan R Leston, Will M Ollison
Long standing measurement techniques for determining ground-level ozone (O3) and nitrogen dioxide (NO2) are known to be biased by interfering compounds that result in overestimates of high O3 and NO2 ambient concentrations under conducive conditions. An increasing near-ground O3 gradient (NGOG) with increasing height above ground level is also known to exist. Both the interference bias and NGOG were investigated by comparing data from a conventional Federal Equivalent Method (FEM) O3 photometer and an identical monitor upgraded with an "interference-free" nitric oxide O3 scrubber which alternatively sampled at 2 meter and 6...
June 20, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28631939/a-high-throughput-screening-assay-for-nkcc1-cotransporter-using-nonradioactive-rubidium-flux-technology
#18
Sikander Gill, Rajwant Gill, Yang Wen, Thilo Enderle, Doris Roth, Dong Liang
A high-throughput screening (HTS) assay was developed for cotransporter, NKCC1, which is a potential target for the treatment of diverse disorders. This nonradioactive rubidium flux assay coupled with ion channel reader series provides a working screen for this target expressed in human embryonic kidney (HEK) cell line. An eightfold window of detection was achieved with the optimized assay. This new functional assay offered a robust working model for NKCC1 in determining reliable and concordant rank orders of the test compounds supporting its sensitivity and specificity...
May 2017: Assay and Drug Development Technologies
https://www.readbyqxmd.com/read/28631906/-technical-features-of-intestinal-ureteroplasty-part-7-forming-ureterointestinal-anastomoses
#19
B K Komyakov, V A Ochelenko, M V Onoshko, T Kh Al-Attar, A Kh Gaziev
AIM: To present the results and technical features of forming the ureterointestinal anastomoses in intestinal ureteral substitution. MATERIAL AND METHODS: From 1998 to December 2016, 168 patients (mean age 51 +/- 8.7 years) underwent ureteral substitution using intestinal segments at the Urology Clinic of the I.I. Mechnikov NWSMU. Of them, 76 (45.2%) were males. In 119 (70.8%) patients, intestinal segments were used to replace various parts of the ureters (iliac in 92, colonic in 4, appendix in 23), and in 49 (29...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631903/-solitary-stones-of-the-lower-renal-calyx-how-to-treat
#20
A G Martov, D V Ergakov, A S Andronov, S V Dutov, R A Takhaev, Z I Kil'chukov, S A Moskalenko
INTRODUCTION: The choice of treatment for the stones of the lower renal calyx is one of the challenging issues of modern urology. The aim of this retrospective and prospective study was to investigate the clinical effectiveness and safety of 3 modern minimally invasive techniques for treating renal stones: percutaneous (PNL) and transurethral (TNL) nephrolithotripsy and extracorporeal shock wave lithotripsy (ESWL) in patients with solitary lower calyx stones sized from 10 to 15 mm. MATERIALS AND METHODS: The study included 136 patients with symptomatic stones of the lower calyces, who underwent ESWL, PNL and TNL from November 2010 to the present day...
June 2017: Urologii︠a︡
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