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Li Ma, Morag Whyte, David Gillis, Gael E Phillips, Olivier Ramuz
No abstract text is available yet for this article.
February 2016: Pathology
Yong-Chao Ma, Zhi-Xin Wang, Shao-Ju Jin, Yan-Xin Zhang, Guo-Qiang Hu, Dong-Tao Cui, Jiang-Shuan Wang, Min Wang, Fu-Qing Wang, Zhi-Jun Zhao
Both tyrosine kinase and topoisomerase II (TopII) are important anticancer targets, and their respective inhibitors are widely used in cancer therapy. However, some combinations of anticancer drugs could exhibit mutually antagonistic actions and drug resistance, which further limit their therapeutic efficacy. Here, we report that HMNE3, a novel bis-fluoroquinolone chalcone-like derivative that targets both tyrosine kinase and TopII, induces tumor cell proliferation and growth inhibition. The viabilities of 6 different cancer cell lines treated with a range of HMNE3 doses were detected using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay...
2016: PloS One
Linda M Slot, Robbert Hoogeboom, Laura A Smit, Thera A M Wormhoudt, Bart J Biemond, Monique E C M Oud, Esther J M Schilder-Tol, André B Mulder, Aldo Jongejan, Antoine H C van Kampen, Philip M Kluin, Jeroen E J Guikema, Richard J Bende, Carel J M van Noesel
Follicular lymphoma (FL) is an indolent B-cell non-Hodgkin lymphoma able to transform into germinal center-type diffuse large B-cell lymphoma. We describe four extraordinary cases of FL, which progressed to TdT(+)CD20(-) precursor B-lymphoblastic lymphoma (B-LBL). Fluorescence in situ hybridization analysis showed that all four B-LBLs had acquired a MYC translocation on transformation. Comparative genomic hybridization analysis of one case demonstrated that in addition to 26 numerical aberrations that were shared between the FL and B-LBL, deletion of CDKN2A/B and 17q11, 14q32 amplification, and copy-neutral loss of heterozygosity of 9p were gained in the B-LBL cells...
October 14, 2016: American Journal of Pathology
Wangqiang Hu, Xiaoxia Wang, Rongrong Yang, Laixi Bi, Yaosheng Xie, Zhuo Zhang, Hong Lu, Lianfeng Wu
OBJECTIVE: To gain further insights into the predisposing risk factors for central nervous system (CNS) involvement in patients with acute lymphocytic leukemia (ALL), the impact of CD56 expression in these patients was investigated. METHODS: We reviewed the clinical features of CD56 expression in 588 consecutive ALL patients treated with systemic chemotherapy regimens between 2000 and 2014. The categorical data from CD56(+) ALL patients were compared with those from CD56(-) ALL patients...
October 13, 2016: Hematology (Amsterdam, Netherlands)
James Wright, Jessey Chugh, Christina Huang Wright, Fernando Alonso, Alia Hdeib, Haley Gittleman, Jill Barnholtz-Sloan, Andrew E Sloan
OBJECTIVE Laser interstitial thermal therapy (LITT), sometimes referred to as "stereotactic laser ablation," has demonstrated utility in a subset of high-risk surgical patients with difficult to access (DTA) intracranial neoplasms. However, the treatment of tumors larger than 10 cm(3) is associated with suboptimal outcomes and morbidity. This may limit the utility of LITT in dealing with precisely those large or deep tumors that are most difficult to treat with conventional approaches. Recently, several groups have reported on minimally invasive transsulcal approaches utilizing tubular retracting systems...
October 2016: Neurosurgical Focus
Mayur Sharma, Ghaith Habboub, Mandana Behbahani, Danilo Silva, Gene H Barnett, Alireza M Mohammadi
OBJECTIVE Laser interstitial thermal therapy (LITT) has been increasingly used to treat deep-seated tumors. Despite its being minimally invasive, there is a risk of LITT damaging adjacent critical structures, including corticospinal tracts (CSTs). In this study, the authors investigated the predictive value of overlap between the hyperthermic field and CSTs in determining postoperative motor deficit (PMDs). METHODS More than 140 patients underwent an LITT procedure in our institution between April 2011 and June 2015...
October 2016: Neurosurgical Focus
Jyung Hyun Lee, Hyo Soon Park, Qun Wei, Myoung Nam Kim, Jin-Ho Cho
ABSTACT To ensure the safety and efficacy of implantable hearing aids, animal experiments are an essential developmental procedure, in particular, auditory brainstem responses (ABRs) can be used to verify the objective effectiveness of implantable hearing aids. This study measured and compared the ABRs generated when applying the same vibration stimuli to an oval window and round window. The ABRs were measured using a TDT system 3 (TDT, USA), while the vibration stimuli were applied to a round window and oval window in 4 guinea pigs using a piezo-electric transducer with a proper contact tip...
September 30, 2016: Bioengineered
Ms Jun Du, Qin Shen, Honglin Yin, Qiu Rao, Mr Xiaojun Zhou
MUC1 is a transmembrane mucin that has been related to tumor progression and outcome in various malignancies. GLUT1 is a member of the mammalian facilitative glucose transporter (GLUT) family of passive carriers that functions as an energy-independent system for transporting glucose. Both of them are useful markers for the diagnosis, progression, and prognosis of various tumors, especially those that are cancerous. However, the clinical significance of MUC1 and GLUT1 in thymic epithelial tumors remains uncertain due to a lack of quality specimen and studies at sufficient scale, both owing, in part, to the rarity of the tumors...
September 13, 2016: Pathology, Research and Practice
Yunqing Liu, Erhu Xiong, Xiaoyu Li, Junjing Li, Xiaohua Zhang, Jinhua Chen
Taking TdT-mediated hemin/G-quadruplex DNAzyme nanowires as NADH oxidase and HRP-mimicking DNAzyme, a novel DNA-based electrochemical method has been developed for sensitive and selective assay of alkaline phosphatase (AP) activity. The double-stranded DNA (dsDNA) probe consisted of thiol-functionalized DNA1 and 3'-phosphorylated DNA2, was immobilized on a gold nanoparticles (AuNPs) modified glassy carbon (GC) electrode. In the presence of AP, 3'-phosphoryl end of DNA2 was dephosphorylated. Terminal deoxynucletidyl transferase (TdT) catalyzed the sequential addition of deoxynucleotides (dTTPs) at 3'-OH end of DNA2 to extend DNA2 with a poly-T sequence...
September 20, 2016: Biosensors & Bioelectronics
Bernhard J Haubner, Thomas Schuetz, Josef M Penninger
Cardiac regeneration is one of the prime visions in cardiovascular research. The mouse neonatal apical resection and left anterior descending artery (LAD) ligation model introduced novel in vivo mammalian assays to study cardiac regeneration. However, recent reports and editorials discussed and critically questioned the value and technical reproducibility of the mouse neonatal myocardial infarction approach, making it paramount to develop and use a reproducible model system. We established a mouse neonatal myocardial infarction model by visually confirmed ligation of the LAD using microsurgery...
November 2016: Basic Research in Cardiology
Akihisa Matsuda, Masao Miyashita, Satoshi Matsumoto, Nobuyuki Sakurazawa, Goro Takahashi, Takeshi Matsutani, Marina Yamada, Eiji Uchida
BACKGROUND: The short-term safety and efficacy of a self-expandable metallic colonic stent (SEMS) insertion followed by elective surgery, "bridge to surgery (BTS)", for malignant large-bowel obstruction (MLBO) have been well described comparing with emergency surgery. The aim of this study was to compare short-term outcomes of endoscopic decompression using a SEMS versus a transanal decompression tube (TDT). MATERIALS AND METHODS: From January 2005 to November 2014, a total of 101 patients with MLBO underwent surgery at our single institution were retrospectively identified...
October 2016: Journal of Surgical Research
Magdalena B Rother, Kristin Jensen, Mirjam van der Burg, Fleur S van de Bovenkamp, Roel Kroek, Wilfred F J van IJcken, Vincent H J van der Velden, Tom Cupedo, Ole K Olstad, Jacques J M van Dongen, Menno C van Zelm
Newborns are unable to mount antibody responses towards certain antigens. This has been related to the restricted repertoire of immunoglobulin (Ig) genes of their B cells. The mechanisms underlying the restricted fetal Ig gene repertoire are currently unresolved. We here addressed this with detailed molecular and cellular analysis of human precursor-B cells from fetal liver, fetal bone marrow (BM), and pediatric BM. In the absence of selection processes, fetal B-cell progenitors more frequently used proximal V, D and J genes in complete IGH gene rearrangements, despite normal Ig locus contraction...
2016: Scientific Reports
Leila Ghelichi, Mohammad Taghi Joghataei, Shohreh Jalaie, Noureddin Nakhostin-Ansari, Bijan Forogh, Masoud Mehrpour
Background: Post-stroke dysphagia is common and is associated with the development of pneumonia. To investigate the effects of repetitive transcranial magnetic stimulation (rTMS) combined with traditional dysphagia therapy (TDT) on swallowing function in patients with post-stroke dysphagia. Methods: In this single-subject study, four patients with dysphagia post-stroke included. The patients received the rTMS applied to the intact cerebral hemisphere at 1 Hz with train of 1200 for 5 consecutive days combined with TDT 3 days per week for 6 weeks...
July 6, 2016: Iranian Journal of Neurology
Eman Al Mussaed, Hani Osman, Ghaleb Elyamany
BACKGROUND: The simultaneous Occurrence of chronic lymphocytic leukemia (CLL) and acute myeloid leukemia (AML) has been rarely reported. Most of these cases have been occurring more frequently as a secondary event in patients receiving chemotherapeutic agents for CLL. CASE PRESENTATION: We describe a case of a 77-year-old man who presented with fatigue, pallor and lower limb pain and weakness. Initial laboratory studies showed Hb 7.7 g/dl, WBC 279.6 × 10(9)/1, PLT 143× 10(9)/1...
2016: BMC Cancer
Lam O Huang, Claire Infante-Rivard, Aurélie Labbe
Transmission of the two parental alleles to offspring deviating from the Mendelian ratio is termed Transmission Ratio Distortion (TRD), occurs throughout gametic and embryonic development. TRD has been well-studied in animals, but remains largely unknown in humans. The Transmission Disequilibrium Test (TDT) was first proposed to test for association and linkage in case-trios (affected offspring and parents); adjusting for TRD using control-trios was recommended. However, the TDT does not provide risk parameter estimates for different genetic models...
2016: Frontiers in Genetics
Yun Yang, Ye Shu, Fangyu Su, Lin Xia, Baofeng Duan, Xiaoting Wu
BACKGROUND: Transanal decompression tube (TDT), an alternative intervention believed to have potential equivalent efficacy in reducing anastomotic leakage after rectal cancer surgery and lower complication rates compared to protective stoma, was sporadically applied in some medical centers during recent decade. The objective of this meta-analysis was to evaluate the effect of the TDT in preventing the anastomotic leakage after low anterior resection for rectal cancer. METHODS: The studies comparing TDT and non-TDT in rectal cancer were researched up to March 22, 2016 without language preference, in databases of PubMed, Web of Science, Cochrane library, International Clinical Trials Registry Platform, and National Clinical Trials Registry...
September 12, 2016: Surgical Endoscopy
Harun Soyalıç, Fikret Gevrek, Sema Koç, Mustafa Avcu, Mehmet Metin, İbrahim Aladağ
INTRODUCTION: Cisplatin ototoxicity is characterized by irreversible, progressive, bilateral sensorineural hearing loss at high frequencies, accompanied by tinnitus. The aim of this study is to demonstrate the protective action of curcumin alone or in combination with vitamin E against cisplatin-induced ototoxicity in animal models. MATERIAL AND METHODS: The study included 42 rats. Experimental animals were randomized into 6 groups. In the first group, intra-peritoneal cisplatin was administered alone...
October 2016: International Journal of Pediatric Otorhinolaryngology
Mir Zahoor Gul, Sambamurthy Chandrasekaran, Manjulatha K, Mohd Yasin Bhat, Radheshyam Maurya, Insaf Ahmed Qureshi, Irfan Ahmad Ghazi
ABSTACT Artemisia nilagirica (Clarke) is a widely used medicinal herb in Indian traditional system of medicine. Therefore, the present study was designed to evaluate the effects of A. nilagirica extracts/fractions on inhibition of proliferation and apoptosis in a human monocytic leukemia (THP-1) cell line. The crude extracts (A. nilagirica ethyl acetate extract [ANE] and A. nilagirica methanolic extract [ANA]) showed cytotoxic activity toward THP-1 cells with the IC50 values of 38.21 ± 7.37 and 132.41 ± 7...
October 2016: Nutrition and Cancer
Hsiao-Ming Chao, Lei Hu, Ji-Min Cheng, Xiao-Qian Liu, Jorn-Hon Liu, Wynn Hwai-Tzong Pan, Xiu-Mei Zhang
BACKGROUND: Retinal ischemia is a retinal disorder related to retinal vascular occlusion, glaucoma, diabetic retinopathy and age-related macular degeneration. The study aimed to evaluate the protective effects and underlying mechanisms of Chi-Ju-Di-Huang-Wan (CJDHW) against retinal ischemia in rats. METHODS: High intraocular pressure (HIOP)-induced retinal ischemia was established in Wistar rats by raising their intraocular pressure to 120 mmHg for 60 min with in an eye whose anterior chamber was cannulated with a 30-guage needle adapted to a normal saline bottle through an intravenous line...
2016: Chinese Medicine
Darby Oldenburg, Yuanbin Ru, Benjamin Weinhaus, Steve Cash, Dan Theodorescu, Sunny Guin
BACKGROUND: Loss of Amylo-alpha-1-6-glucosidase-4-alpha-glucanotransferase (AGL) drives rapid proliferation of bladder cancer cells by upregulating Hyaluronic acid(HA) Synthase (HAS2) mediated HA synthesis. However the role of HA receptors CD44 and Hyaluronan Mediated Motility Receptor (RHAMM) in regulating the growth of bladder cancer cells driven by loss of AGL has not been studied. METHODS: Western blot analysis and Terminal deoxynucleotidyl transferase (TdT) dUTP Nick-End Labeling (TUNEL) assay was carried out to study cellular apoptosis with HAS2, CD44 and RHAMM loss in bladder cancer cells with and without AGL expression...
2016: BMC Cancer
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