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M Serrand, A Lefèbvre, T Desplanches, A Yacoub, D Semama, P Sagot
OBJECTIVES: The objective of this study was to validate a continuing medical education e-learning tool. METHODS: The CME MMC was for all health professionals maternity Burgundy and concerned regional morbidity and mortality conferences. It was divided into steps: a pre-test for an assessment of initial knowledge, an access to the recommendations of each RMM and a post-test to assess the progress of participants. A satisfaction questionnaire was proposed after the test...
October 19, 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
Renzo Colombo, Hans van Valenberg, Marco Moschini, Johannes A Witjes
OBJECTIVE: An updated review of intravesical radiofrequency (RF)-induced thermo-chemotherapy effect (RITE) for NMIBC with regard to efficacy, adverse events (AEs) and perspectives. EVIDENCE ACQUISITION: An extensive and sensitive search for RF-induced chemo-hyperthermia in Medline, Embase, Cochrane and databases was performed. A table of published clinical trials up to 2016 was constructed. No meta-analysis could be performed on the basis of new papers...
October 4, 2016: Urologia
Rui Zhang, Chang Liu, Yahan Niu, Ying Jing, Haiyang Zhang, Jin Wang, Jie Yang, Ke Zen, Junfeng Zhang, Chen-Yu Zhang, Donghai Li
The DNA damage response is critical for maintaining genome integrity and preventing damage to DNA due to endogenous and exogenous insults. Mitomycin C (MMC), a potent DNA cross-linker, is used as a chemotherapeutic agent because it causes DNA inter-strand cross-links (DNA ICLs) in cancer cells. While many microRNAs, which may serve as oncogenes or tumor suppressors, are grossly dysregulated in human cancers, little is known about their roles in MMC-treated lung cancer. Here, we report that miR-128-3p can attenuate repair of DNA ICLs by targeting SPTAN1 (αII Sp), resulting in cell cycle arrest and promoting chromosomal aberrations in lung cancer cells treated with MMC...
September 28, 2016: Oncotarget
Rongxin Chen, Guofu Huang, Shu Liu, Wenfang Ma, Xiaofang Yin, Shiyou Zhou
PURPOSE: This study compared the outcomes of a limbal conjunctival autograft (LCAG) with those of an amniotic membrane graft (AMG) followed by intraoperative 0.02 % mitomycin C (MMC) to treat recurrent pterygium. METHODS: In this randomized controlled trial, ninety-six eyes with recurrent pterygium were enrolled and randomly allocated into two groups using a computer-generated random number table. Pterygium removal was followed by intraoperative 0.02 % MMC for 3 min and then either LCAG or AMG transplantation...
October 20, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Mehmet Saraç, Ebru Önalan, Ünal Bakal, Tugay Tartar, Mustafa Aydın, Ayşen Orman, Ahmet Tektemur, Erdal Taşkın, Fatih Serhat Erol, Ahmet Kazez
BACKGROUND: To evaluate whether there is an association between single nucleotide polymorphisms in magnesium-permeable TRPM6 ion channel and development of meningomyelocele (MMC). Therefore, we examined a total of 150 children with MMC, along with age- and gender-matched controls. DNA collected from whole blood was analyzed for the presence of two polymorphisms, rs2274924 (A > G; K1579E; Leu1579Glu) and rs3750425 (G > A; Val1393Ile), in TRPM6. Serum Mg(2+) and calcium levels were also examined...
2016: SpringerPlus
Anne Rochtus, Raf Winand, Griet Laenen, Elise Vangeel, Benedetta Izzi, Christine Wittevrongel, Yves Moreau, Carla Verpoorten, Katrien Jansen, Chris Van Geet, Kathleen Freson
BACKGROUND: Neural tube defects (NTDs) are severe congenital malformations that arise from failure of neurulation during early embryonic development. The molecular basis underlying most human NTDs still remains largely unknown. Based on the hypothesis that folic acid prevents NTDs by stimulating methylation reactions, DNA methylation changes could play a role in NTDs. We performed a methylome analysis for patients with myelomeningocele (MMC). Using a candidate CpG analysis for HOX genes, a significant association between HOXB7 hypomethylation and MMC was found...
2016: Clinical Epigenetics
Chintan A Dalwadi, Gayatri C Patel
BACKGROUND: The objective of the study was to investigate the cytotoxicity and cellular uptake of prepared 5-Fluorouracil (5-FU) nanohydrogel formulation using KB oral cancer cell line and VERO fibroblast cell line. METHOD: The biodegradable thermoresponsive modified methylcellulose (MMC) polymer was used for the preparation of nanohydrogel whereas it shows sol-gel phase transition at 36˚C to 40˚C. The physical crosslinking method was used followed by probe sonication for the preparation of 5-FU loaded MMC nanohydrogel...
October 13, 2016: Current Drug Delivery
Yasmin Khan, Vijayapandi Pandy
Phytotherapy is an emerging field successfully utilized to treat various chronic diseases including alcohol dependence. In the present study, we examined the effect of the standardized methanolic extract of Morinda citrifolia Linn. unripe fruit (MMC), on compulsive ethanol-seeking behavior using the mouse conditioned place preference (CPP) test. CPP was established by injections of ethanol (2 g/kg, i.p.) in a 12-day conditioning schedule in mice. The effect of MMC and the reference drug, acamprosate (ACAM), on the reinforcing properties of ethanol in mice was studied by the oral administration of MMC (1, 3, and 5 g/kg) and ACAM (300 mg/kg) 60 min prior to the final CPP test postconditioning...
2016: Frontiers in Pharmacology
Takahisa Ohta, Yasuhiko Hashida, Fumiyoshi Yamashita, Mitsuru Hashida
A novel sustained release formulation of mitomycin C (MMC) was developed by employing single-walled carbon nanotubes (SWCNTs) wrapped by designed peptide with polyethylene glycol (PEG) modification (pegylation) as a nano-scale molecular platform. The amino groups of polycationic and amphiphilic H-(-Cys-Trp-Lys-Gly-)(-Lys-Trp-Lys-Gly-)6-OH [CWKG(KWKG)6] peptide associated with SWCNTs were modified using PEG with 12 units (PEG12) to improve the dispersion stability of the composite. Then thiol groups of peptide were conjugated with MMC using N-ε-maleimidocaproic acid (EMCA) as a linker via transformation of aziridine group of MMC...
2016: Biological & Pharmaceutical Bulletin
Xiaofeng Li, Hanyu Liu, Feng Peng
Guided by a simple strategy in search of new superconducting materials, we have performed extensive simulations on crystal structures and electronic properties of Tc-H compounds at high pressures. Three stoichiometries, namely TcH, TcH2, and TcH3, were predicted to be stable under high pressure. The chemical bonding characters of Tc-H compounds were investigated by introducing the electron localization function and electronic projected density of states, which show that the stable Tc-H compounds including TcH, TcH2 and TcH3 are all classified as ionic crystals as a result of Tc → H charge transfer...
October 10, 2016: Physical Chemistry Chemical Physics: PCCP
Valeriy Yu Verchenko, Sergei S Sokolov, Alexander A Tsirlin, Alexey V Sobolev, Igor A Presniakov, Mikhail A Bykov, Maria A Kirsanova, Andrei V Shevelkov
A new ternary telluride, Fe3-δAs1-yTe2, was synthesized from elements at 600 °C. It crystallizes in the hexagonal P63/mmc space group with the unit cell parameters a = 3.85091(9) Å and c = 17.1367(4) Å for δ = 0.3 and y = 0.04. Its layered crystal structure contains partially occupied intralayer and interlayer Fe positions, which give rise to significant nonstoichiometry: Fe3-δAs1-yTe2 was found to possess the homogeneity range of 0.25 < δ < 0.45 and y = 0.04. Regions of local vacancy ordering alternate with regions of randomly distributed vacancies, so that the ordering of Fe atoms and vacancies is not complete in the average structure...
October 3, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
Peri Kocabayoglu, Martin Husen, Oliver Witzke, Andreas Kribben, Fuat H Saner, Ali Canbay, Guido Gerken, Andreas Paul
BACKGROUND: Morbidity and mortality conferences (MMCs) provide powerful opportunities for learning, reflection, and improvement. The current literature gives examples of how MMCs can be designed; however, no systematic review of cases and no original data related to liver transplantation are available. Liver transplantation requires a multidisciplinary approach to case identification, presentation, and analysis. Framework structures that guide case investigation are needed to successfully follow up on outcome measures and provide the basis for quality assessment and transparency in transplant programs...
August 2016: Visc Med
Masahiko Tanabe
Complete cure of metastatic breast cancer (MBC) is still considered difficult even after the development of new drugs. While new drugs have been continuously developed, conventional drugs such as mitomycin C (MMC) and methotrexate (MTX) have become less used. Combination chemotherapy with MMC and MTX (MMC/MTX) was reported to be effective for 9.7-19.4% of 31 patients with human epidermal growth factor receptor type 2 (HER2)-negative MBC who were aggressively treated with anthracycline, taxane, capecitabine, and vinorelbine...
May 2016: Case Reports in Oncology
Nicholas M Donin, Sandra Duarte, Andrew T Lenis, Randy Caliliw, Cristobal Torres, Anthony Smithson, Dalit Strauss-Ayali, Yael Agmon-Gerstein, Nadav Malchi, Jonathan Said, Steven S Raman, Stuart Holden, Allan Pantuck, Arie S Belldegrun, Karim Chamie
OBJECTIVE: To evaluate the safety and feasibility of single and serial instillations of MitoGel™ into the upper urinary tract using a preclinical swine animal model. MitoGel™ is a novel sustained release formulation of MMC based on RTGel™, a proprietary thermosensitive hydrogel technology. MitoGel™ is liquid at cold temperatures and solidifies to gel state at body temperature. It is intended as a treatment for UTUC given its ability to provide sustained release of MMC in the upper urinary tract...
October 5, 2016: Urology
Savino M Di Stasi, Cristian Verri, Francesco Celestino, Francesco De Carlo, Vincenzo Pagliarulo
Bladder cancer is very common and most cases are diagnosed as nonmuscle invasive disease, which is characterized by its propensity to recur and progress. Intravesical therapy is used to delay recurrence and progression, while cystectomy is reserved for patients who are refractory to transurethral resection and intravesical therapy. There is an increasing interest in methods to enhance the delivery of intravesical chemotherapeutic agents to improve efficacy. In vitro and in vivo studies demonstrated that electro-osmosis of mitomycin C (MMC) is more effective in delivering this drug into the urothelium, lamina propria, and superficial muscle layers of the bladder wall than is passive transport...
October 4, 2016: Urologia
Vincenzo Serretta, Cristina Scalici Gesolfo, Vincenza Alonge, Fabrizio Di Maida, Giovanni Caruana
Mitomycin C (MMC) intravesical therapy for "superficial" papillary bladder tumors was firstly introduced in the early seventies with promising results. In the following years, several pharmacokinetic studies investigated its mechanism of action to optimize the intravesical administration. Numerous studies confirmed thereafter both the ablative and the prophylactic efficacy and the low toxicity of MMC when intravesically given. In 1984, a complete response rate of 42% in 60 patients not responsive to thiotepa was reported with intravesical MMC at the dose of 40 mg diluted in 40 ml for 8 weeks...
October 4, 2016: Urologia
Jureerat Khongkaew, Dujdao Sahasthas, Tharrittawadha Potat, Phatchara Thammawirat
BACKGROUND: The transesophageal echocardiograhpy (TEE) has been studied worldwide. However, identifying additional factors on top of operator's experience and patient's cooperation which could influence the success of the procedure in unsedated patients with heart disease  is not well documented. METHODS: Under the cross-sectional descriptive design, 85 target patients were fulfilling the criteria: being Thai national at the age of at least 20-year-old, being performed TEE by the study participant's cardiologists, being able to communicate verbally...
October 5, 2016: Cardiovascular Ultrasound
J Irani
: Non-muscle-invasive bladder cancer (NMIBC) is characterised by a high risk of recurrence when performing only a transurethral resection of the bladder (TURB). Intravesical instillations are performed postoperatively to decrease the rate of recurrence. The standard agents currently used are Mitomycin-C (MMC) or bacillus Calmette-Guérin (BCG). In order to further enhance the efficacy of the adjuvant treatments and/or diminish their side effects, alternative treatments are studied. Intravesical MMC combined with hyperthermia could be an interesting alternative active treatment for intermediate- and possibly high-risk NMIBC, and has been investigated in the past years...
October 3, 2016: Progrès en Urologie
Yoann Peperstraete, Michael Staniforth, Lewis A Baker, Natércia D N Rodrigues, Neil C Cole-Filipiak, Wen-Dong Quan, Vasilios G Stavros
Methyl-E-4-methoxycinnamate (E-MMC) is a model chromophore of the commonly used commercial sunscreen agent, 2-ethylhexyl-E-4-methoxycinnamate (E-EHMC). In an effort to garner a molecular-level understanding of the photoprotection mechanisms in operation with E-EHMC, we have used time-resolved pump-probe spectroscopy to explore E-MMC's and E-EHMC's excited state dynamics upon UV-B photoexcitation to the S1 (1(1)ππ*) state in both the gas- and solution-phase. In the gas-phase, our studies suggest that the excited state dynamics are driven by non-radiative decay from the 1(1)ππ* to the S3 (1(1)nπ*) state, followed by de-excitation from the 1(1)nπ* to the ground electronic state (S0)...
October 12, 2016: Physical Chemistry Chemical Physics: PCCP
Hassan Hashemi, Reza Ghaffari, Mohammad Miraftab, Soheila Asgari
PURPOSE: To compare 18-month outcomes between femtosecond laser-assisted LASIK (femto-LASIK) and photorefractive keratectomy with mitomycin-C (PRK-MMC) for myopia of more than 7.0 D in terms of visual acuity and quality. METHODS: In this comparative nonrandomized clinical trial, 60 eyes from 30 patients (30 eyes in each group) were enrolled. The two procedures were compared in terms of 18-month changes in uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent, ocular and corneal higher order aberrations (HOAs), and contrast sensitivity (CS)...
October 3, 2016: International Ophthalmology
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