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https://www.readbyqxmd.com/read/28454234/gemcitabine-associated-thrombotic-microangiopathy-in-a-patient-with-lung-cancer-a-case-report
#1
Florence Lai-Tiong, Yann Duval, Francois Krabansky
Gemcitabine is frequently used for the treatment of a number of different cancer types. Gemcitabine-related thrombotic microangiopathy (TMA) has rarely been described, but it is a life-threatening complication. The incidence of the complication varies between 0.015 and 1.4%. The present study reports the case of a 63-year-old Caucasian male who was treated with 3 cycles of carboplatin plus gemcitabine, followed by 7 cycles of gemcitabine only, and developed clinical symptoms that, together with laboratory findings, were compatible with a diagnosis of hemolytic uremic syndrome TMA...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28447417/diagnostic-approach-to-microangiopathic-hemolytic-disorders
#2
REVIEW
K Kottke-Marchant
Thrombotic micro-angiopathies (TMA) are a group of related disorders that are characterized by thrombosis of the microvasculature and associated organ dysfunction, and encompass congenital, acquired, and infectious etiologies. A hall mark of TMAs is the fragmentation of erythrocytes by the microvascular thrombi, resulting in a hemolytic anemia. There are several distinct pathophysiologies leading to microangiopathic hemolysis, ranging from decreased degradation of von Willebrand factor as seen in thrombotic thrombocytopenic purpura (TTP) to endothelial damage facilitated by Escherichia coli shiga toxin or complement dysregulation, seen in shiga toxin-related hemolytic-uremic syndrome (Stx-HUS) and complement-mediated TMA (also called atypical hemolytic-uremic syndrome), respectively...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28445227/a-review-of-player-monitoring-approaches-in-basketball-current-trends-and-future-directions
#3
Jordan L Fox, Aaron T Scanlan, Robert Stanton
Effective monitoring of players in team-sports such as basketball requires an understanding of the external demands and internal responses as they relate to training phases and competition. Monitoring of external demands and internal responses allows coaching staff to determine the dose-response associated with the imposed training load, and subsequently, if players are adequately prepared for competition. This review discusses measures reported in the literature for monitoring the external demands and internal responses of basketball players during training and competition...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28445125/intratumoral-heterogeneity-analysis-reveals-hidden-associations-between-protein-expression-losses-and-patient-survival-in-clear-cell-renal-cell-carcinoma
#4
Wei Jiang, Essel Dulaimi, Karthik Devarajan, Theodore Parsons, Qiong Wang, Raymond O'Neill, Charalambos Solomides, Stephen C Peiper, Joseph R Testa, Robert Uzzo, Haifeng Yang
Intratumoral heterogeneity (ITH) is a prominent feature of kidney cancer. It is not known whether it has utility in finding associations between protein expression and clinical parameters. We used ITH that is detected by immunohistochemistry (IHC) to aid the association analysis between the loss of SWI/SNF components and clinical parameters.160 ccRCC tumors (40 per tumor stage) were used to generate tissue microarray (TMA). Four foci from different regions of each tumor were selected. IHC was performed against PBRM1, ARID1A, SETD2, SMARCA4, and SMARCA2...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28443896/an-msn-peg-ip-drug-delivery-system-and-il13r%C3%AE-2-as-targeted-therapy-for-glioma
#5
Jinlong Shi, Shiqiang Hou, Jianfei Huang, Shanshan Wang, Wei Huan, Chuanjun Huang, Xiaojiang Liu, Rui Jiang, Wenbo Qian, Jingjing Lu, Xiubing Wang, Wei Shi, Rongqin Huang, Jian Chen
A combination of gene therapy and chemotherapy has recently received interest as a targeted therapy for glioma. A mesoporous silica nanoparticle (MSN)-based vehicle coated with IL13Rα2-targeted peptide (IP) using polyethylene glycol (PEG), MSN-PEG-IP (MPI), was constructed and confirmed as a potential glioma-targeted drug delivery system in vitro. In this work, tissue microarray (TMA) results revealed that IL13Rα2 was over-expressed in human glioma tissues and that high expression of IL13Rα2 in patients was associated with poor survival...
April 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28442312/expert-statements-on-the-standard-of-care-in-critically-ill-adult-patients-with-atypical-haemolytic-uraemic-syndrome
#6
REVIEW
Elie Azoulay, Paul Knoebl, José Garnacho-Montero, Katerina Rusinova, Gennadii Galstian, Philippe Eggimann, Fekri Abroug, Dominique Benoit, Michael von Bergwelt-Baildon, Julia Wendon, Marie Scully
BACKGROUND: Atypical haemolytic uraemic syndrome (aHUS) presents similarly to thrombotic thrombocytopenic purpura (TTP), and other causes or conditions with thrombotic microangiopathy (TMA) such as DIC or sepsis. Similarity in clinical presentation may hinder diagnosis and optimal treatment selection in the urgent setting in the ICU. However, there is currently no consensus on the diagnosis or treatment of aHUS for ICU specialists. This review aims to summarise available data on the diagnosis and treatment strategies of aHUS in the ICU in order to enhance the understanding of aHUS diagnosis and outcomes in patients managed in the ICU...
April 22, 2017: Chest
https://www.readbyqxmd.com/read/28440253/evaluation-of-meibomian-gland-and-tear-film-changes-in-patients-with-pterygium
#7
Fen Ye, Fen Zhou, Yuan Xia, Xiaomin Zhu, Yan Wu, Zhenping Huang
BACKGROUND: Recent studies have demonstrated that pterygium has a close relationship with dry eye disease. This study is to determine abnormalities in meibomian gland and tear function in patients with pterygium and to assess the relationship between the variables. MATERIALS AND METHODS: Forty eyes from forty patients with primary nasal pterygium and forty eyes from forty volunteers without ocular pathologies were enrolled in this study. Ocular surface disease index scores, meibomian gland expression scores, lid margin abnormality scores, meiboscore, tear film breakup time (BUT), Schirmer test (SIT) value, and the lower tear meniscus height (TMH), tear meniscus depth (TMD), and tear meniscus area (TMA) using Fourier domain optical coherence were performed...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439485/treatment-of-atypical-hemolytic-uremic-syndrome-in-the-era-of-eculizumab
#8
Rawaa Ebrahem, Salam Kadhem, Quoc Truong
Hemolytic-uremic syndrome (HUS) is the triad of microangiopathic hemolytic anemia (MAHA), thrombocytopenia, and acute kidney injury (AKI); the main cause of multi-organ failure is related to thrombotic microangiopathy (TMA). Atypical HUS (aHUS) is a disease of uncontrolled complement activation associated with a high mortality rate and most cases progress to end-stage renal disease. About 50% of patients with this syndrome carry mutations in genes that encode complement proteins. Also, aHUS constitutes an over-activation of the complement pathway which is either inherited, acquired, or both...
March 23, 2017: Curēus
https://www.readbyqxmd.com/read/28438876/thrombotic-microangiopathy-following-chemotherapy-with-s-1-and-cisplatin-in-a-patient-with-gastric-cancer-a-case-report
#9
Jun Muto, Hiroshi Kishimoto, Yasuo Kaizuka, Mitsuru Kinjo, Hidefumi Higashi, Fumiaki Kishihara
BACKGROUND: Thrombotic microangiopathy (TMA) represents a spectrum of serious disorders characterized by occlusive microvascular thrombosis, thrombocytopenia and end-organ damage. TMA is associated with a broad range of conditions and is also a well-described complication of both cancer and its treatment. CASE REPORT: A 77-year-old Japanese woman underwent S-1 and cisplatin chemotherapy for treatment of advanced gastric cancer with multiple lymph node and liver metastases...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28434257/ratio-of-serum-levels-of-ages-to-soluble-rage-is-correlated-with-trimethylamine-n-oxide-in-non-diabetic-subjects
#10
Atsuko Tahara, Nobuhiro Tahara, Sho-Ichi Yamagishi, Akihiro Honda, Sachiyo Igata, Yoshikazu Nitta, Munehisa Bekki, Tomohisa Nakamura, Yoichi Sugiyama, Jiahui Sun, Masayoshi Takeuchi, Makiko Shimizu, Hiroshi Yamazaki, Kei Fukami, Yoshihiro Fukumoto
Trimethylamine (TMA), an intestinal microflora-dependent metabolite formed from phosphatidylcholine- and L-carnitine-rich food, such as red meat, is further converted to trimethylamine-N-oxide (TMAO), which could play a role in cardiometabolic disease. Red meat-derived products are one of the major environmental sources of advanced glycation end products (AGEs) that may also contribute to the pathogenesis of cardiometabolic disorders through the interaction with receptor for AGEs (RAGE). However, the relationship among AGEs, soluble form of RAGE (sRAGE) and TMAO in humans remains unclear...
April 23, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28428030/complement-inhibition-with-eculizumab-for-thrombotic-microangiopathy-rescues-a-living-donor-kidney-transplant-in-a-patient-with-antiphospholipid-antibody-syndrome
#11
Praveen Ramakrishnan Geethakumari, Patrick Mille, Rakesh Gulati, Srikanth Nagalla
Antiphospholipid antibody syndrome (APS) is an enigmatic heterogeneous disorder despite several revelations in its pathobiology. Renal transplantation in patients with APS has been notoriously difficult due to the high risk of development of thrombotic microangiopathy (TMA), which is often refractory to conventional treatment modalities such as aggressive anticoagulation and plasmapheresis. We describe a case of a 58-year-old male with secondary APS undergoing living unrelated renal transplantation for end-stage renal disease from lupus nephritis...
March 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28426222/structural-and-dynamical-properties-of-tetra-alkyl-ammonium-bromide-aqueous-solutions-a-molecular-dynamics-simulation-study-using-a-polarizable-force-field
#12
Dengpan Dong, Justin B Hooper, Dmitry Bedrov
Understanding the behavior of aqueous solutions containing tetra-alkyl ammonium (TAA) cations is of great significance in a number of applications, including polymer membranes for fuel cells. In this work, a polarizable force field has been used to preform atomistic molecular dynamics (MD) simulations of aqueous solutions containing tetra-methyl ammonium (TMA) or tetra-butyl ammonium (TBA) cations and Br counterions. Extensive MD simulations of TMA-Br/water and TBA-Br/water systems were conducted as a function of solution composition (ion pair : water molar ratios of 1:10, 1:20, 1:30, 1:63, 1:500) at atmospheric pressure and 298K...
April 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28423619/cdca2-promotes-lung-adenocarcinoma-cell-proliferation-and-predicts-poor-survival-in-lung-adenocarcinoma-patients
#13
Run Shi, Chunrong Zhang, Yaqin Wu, Xin Wang, Qi Sun, Jing Sun, Wenjie Xia, Gaochao Dong, Anpeng Wang, Feng Jiang, Lin Xu
Cell division cycle associated 2(CDCA2) is overexpressed in neuroblastoma and oral squamous cell carcinoma, and its overexpression positively correlates to tumor progression. However, the biological and clinical significance of CDCA2 in lung adenocarcinoma(LAC) has never been investigated. We determined the expression profile and clinical significance of CDCA2 using The Cancer Genome Atlas(TCGA) and tissue microarray(TMA). Furthermore, we explored the biological function of CDCA2 both in vitro and in vivo. A great upregulation of CDCA2 was observed in LAC tissues compared with adjacent normal tissues...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421181/mct1-in-invasive-ductal-carcinoma-monocarboxylate-metabolism-and-aggressive-breast-cancer
#14
Jennifer M Johnson, Paolo Cotzia, Roberto Fratamico, Lekha Mikkilineni, Jason Chen, Daniele Colombo, Mehri Mollaee, Diana Whitaker-Menezes, Marina Domingo-Vidal, Zhao Lin, Tingting Zhan, Madalina Tuluc, Juan Palazzo, Ruth C Birbe, Ubaldo E Martinez-Outschoorn
Introduction: Monocarboxylate transporter 1 (MCT1) is an importer of monocarboxylates such as lactate and pyruvate and a marker of mitochondrial metabolism. MCT1 is highly expressed in a subgroup of cancer cells to allow for catabolite uptake from the tumor microenvironment to support mitochondrial metabolism. We studied the protein expression of MCT1 in a broad group of breast invasive ductal carcinoma specimens to determine its association with breast cancer subtypes and outcomes. Methods: MCT1 expression was evaluated by immunohistochemistry on tissue micro-arrays (TMA) obtained through our tumor bank...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28416509/none-of-the-above-thrombotic-microangiopathy-beyond-ttp-and-hus
#15
Camila Masias, Sumithira Vasu, Spero R Cataland
Acquired thrombotic thrombocytopenic purpura (TTP) and hemolytic uremic syndrome (HUS) are appropriately at the top of a clinician's differential when a patient presents with a clinical picture consistent with an acute thrombotic microangiopathy (TMA). However, there are several additional diagnoses that should be considered in patients presenting with an acute TMA, especially in patients with non-deficient ADAMTS13 (a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13) activity (>10%)...
April 17, 2017: Blood
https://www.readbyqxmd.com/read/28415632/the-combined-effect-of-usp7-inhibitors-and-parp-inhibitors-in-hormone-sensitive-and-castration-resistant-prostate-cancer-cells
#16
Francesco Morra, Francesco Merolla, Virginia Napolitano, Gennaro Ilardi, Caterina Miro, Simona Paladino, Stefania Staibano, Aniello Cerrato, Angela Celetti
PURPOSE OF THE STUDY: Reduced levels of the tumor suppressor protein CCDC6 sensitize cancer cells to the treatment with PARP-inhibitors. The turnover of CCDC6 protein is regulated by the de-ubiquitinase USP7, which also controls the androgen receptor (AR) stability. Here, we correlated the expression levels of CCDC6 and USP7 proteins in primary prostate cancers (PC). Moreover, we tested the efficacy of the USP7 inhibitors, in combination with PARP-inhibitors as a novel therapeutic option in advanced prostate cancer...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414452/cation-exchange-approach-to-tuning-the-flexibility-of-a-metal-organic-framework-for-gated-adsorption
#17
Mingli Deng, Yang Pan, Jiaxing Zhu, Zhenxia Chen, Zhengzong Sun, Jinyu Sun, Yun Ling, Yaming Zhou, Pingyun Feng
Achieving tailorable gated adsorption by tuning the dynamic behavior of a host porous material is of great interest because of its practical application in gas adsorption and separation. Here we devise a unique cation-exchange approach to tune the dynamic behavior of a flexible anionic framework, [Zn2(bptc)(datrz)](-) (denoted as MAC-6, where H4bptc = [1,1'-biphenyl]-3,3',5,5'-tetracarboxylic acid and Hdatrz = 3,5-diamine-1H-1,2,4-triazole), so as to realize the tailorable gated adsorption. The CO2 adsorption amount at 273 K can be enhanced by exchanging the counterion of protonated dimethylamine (HDMA(+)) with tetraethylammonium (TEA(+)), tetrabutylammonium (TBA(+)), and tetramethylammonium (TMA(+)), where the adsorption behavior is transferred from nongated to gated adsorption...
April 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28405059/uniform-atomic-layer-deposition-of-al2o3-on-graphene-by-reversible-hydrogen-plasma-functionalization
#18
René H J Vervuurt, Bora Karasulu, Marcel A Verheijen, Wilhelmus Erwin M M Kessels, Ageeth A Bol
A novel method to form ultrathin, uniform Al2O3 layers on graphene using reversible hydrogen plasma functionalization followed by atomic layer deposition (ALD) is presented. ALD on pristine graphene is known to be a challenge due to the absence of dangling bonds, leading to nonuniform film coverage. We show that hydrogen plasma functionalization of graphene leads to uniform ALD of closed Al2O3 films down to 8 nm in thickness. Hall measurements and Raman spectroscopy reveal that the hydrogen plasma functionalization is reversible upon Al2O3 ALD and subsequent annealing at 400 °C and in this way does not deteriorate the graphene's charge carrier mobility...
March 14, 2017: Chemistry of Materials: a Publication of the American Chemical Society
https://www.readbyqxmd.com/read/28402947/overexpression-of-the-transcription-factor-atf3-with-a-regulatory-molecular-signature-associates-with-the-pathogenic-development-of-colorectal-cancer
#19
Feng Yan, Le Ying, Xiaofang Li, Bin Qiao, Qiaohong Meng, Liang Yu, Xiangliang Yuan, Shu-Ting Ren, David W Chan, Liyun Shi, Peihua Ni, Xuefeng Wang, Dakang Xu, Yiqun Hu
The identification of novel biomarkers of cancer is important for improved diagnosis and prognosis. With an abundant amount of resources in the publicly available database, such as the Cancer Genome Atlas (TCGA) database, an integrative strategy is used to systematically characterize the aberrant patterns of colorectal cancer (CRC) based on RNA-Seq, chromatin immunoprecipitation sequencing (ChIP-Seq), tissue microarray (TMA), gene profiling and molecular signatures. The expression of the transcription factor ATF3 was elevated in human CRC specimens in a TMA by immunochemistry analysis compared to the adjacent normal tissues...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402577/a-second-shot-at-hpv
#20
Sean Price
HPV vaccination rates remain stubbornly low, and some studies show physician hesitancy about promoting the vaccine is the single biggest problem. TMA's HPV Work Group plans to coordinate with like-minded state and national organizations and agencies to come up with an action plan to improve HPV vaccination rates.
April 1, 2017: Texas Medicine
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