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Amir Khakban, Tima Mohammadi, Larry D Lynd, Don Mabbott, Eric Bouffet, Louise Gastonguay, Zafar Zafari, David Malkin, Michael Taylor, Carlo A Marra
PURPOSE: Medulloblastoma is the most prevalent childhood brain cancer. Children with medulloblastoma typically receive a combination of surgery, radiation, and chemotherapy. The survival rate is high but survivors often have sequelae from radiotherapy of the entire developing brain and spinal cord. Ongoing genetic studies have suggested that decreasing the dose of radiation might be possible among children with favorable molecular variants; however, this may result in an increased disease recurrence...
December 4, 2016: Pediatric Blood & Cancer
Hakan Orbay, Kamaljit Devi, Priscilla A Williams, Tima Dehghani, Eduardo A Silva, David E Sahar
BACKGROUND: The authors compared the endothelial differentiation capacities of human and rat adipose-derived stem cells to determine whether human adipose-derived stem cells can be a source of endothelial cells clinically. METHODS: Human and rat adipose-derived stem cells were harvested and characterized with flow cytometry and trilineage differentiation. Cells from passages III through V were fed with endothelial cell differentiation medium for up to 3 weeks. Cells were harvested after 1, 2, and 3 weeks, and endothelial differentiation was evaluated with quantitative reverse-transcriptase polymerase chain reaction, flow cytometry, and angiogenic sprouting assays...
December 2016: Plastic and Reconstructive Surgery
Hermann Giresse Tima, Juma''a Raheem Al Dulayymi, Olivier Denis, Pauline Lehebel, Klarah Sherzad Baols, Mohsin Omar Mohammed, Laurent L'Homme, Mohaned Mohammed Sahb, Georges Potemberg, Sylvie Legrand, Roland Lang, Rudi Beyaert, Jacques Piette, Mark Stephen Baird, Kris Huygen, Marta Romano
The cell wall of mycobacteria is characterised by glycolipids composed of different classes of mycolic acids (MAs; alpha-, keto-, and methoxy-) and sugars (trehalose, glucose, and arabinose). Studies using mutant Mtb strains have shown that the structure of MAs influences the inflammatory potential of these glycolipids. As mutant Mtb strains possess a complex mixture of glycolipids, we analysed the inflammatory potential of single classes of mycolate esters of the Mtb cell wall using 38 different synthetic analogues...
November 18, 2016: Journal of Innate Immunity
Marina de Deus Moura de Lima, Heloísa Clara Santos Sousa, Lúcia de F Tima Almeida de Deus Moura
No abstract text is available yet for this article.
November 2016: Operative Dentistry
Sivan Lieberman, Tiberiu R Shulimzon, Tima Davidson, Edith M Marom
PURPOSE: The aim of the study was to assess the pulmonary temporal changes after bronchoscopic lung volume reduction (BLVR) using sealants for treatment of emphysema. MATERIALS AND METHODS: We retrospectively assessed all chest computerized tomography (CT) and F-18 fluorodeoxyglucose (FDG) positron emission tomography CT scans of patients treated at our institution with BLVR. RESULTS: Eleven patients were treated with sealants: 4 with biological sealants and 7 with synthetic sealants...
November 2016: Journal of Thoracic Imaging
Singkome Tima, Siriporn Okonogi, Chadarat Ampasavate, Chad Pickens, Cory Berkland, Songyot Anuchapreeda
This study aimed at developing a curcumin (CM) nanoparticle targeted to Feline McDonough Sarcoma (FMS)-like tyrosine kinase 3 (FLT3) protein on the surface of leukemic cells and at evaluating their properties, specificity, cytotoxicity, and inhibitory effect on FLT3 protein level in FLT3-overexpressing leukemic cells, EoL-1, and MV-4-11 cells. FLT3-specific peptides were conjugated onto modified poloxamer 407 using the copper-catalyzed azide-alkyne cycloaddition reaction. The thin film hydration method was performed for FLT3-specific CM-loaded polymeric micelles (FLT3-CM-micelles) preparation...
December 2016: Journal of Pharmaceutical Sciences
Kishore Das, Tima Thomas, Omar Garnica, Subramanian Dhandayuthapani
Tuberculosis continues to be a great cause of morbidity and mortality in different parts of the world. Unfortunately, the current BCG vaccine being administered is not fully protective against tuberculosis; therefore, there is a great need for alternate vaccines. With an aim to develop such vaccines, we have analyzed the utility of Bacillus subtilis spores for the expression of two major immunodominant antigens of Mycobacterium tuberculosis, Ag85B and CFP10. We created three recombinant B. subtilis strains to express a truncated fusion of Ag85B191-325 and CFP101-70 antigens (T85BCFP), either on the spore coat (MTAG1 strain) or in the cytosol of B...
September 28, 2016: Tuberculosis
Helga Tima, Anita Rácz, Zsuzsanna Guld, Csilla Mohácsi-Farkas, Gabriella Kiskó
Fusarium genera can produce trichothecenes like deoxynivalenol (DON), zearalenone (ZEN) and T-2 toxin, which can occur in feed cereal grains. Enzyme-linked immunosorbent assays (ELISA) tests of different Hungarian swine feedstuff proved that these mycotoxins were present. In this survey, 45 feed samples from 3 significant Hungarian swine feedstuff manufacturers were tested. ELISA methodology validation showed mean recovery rates in ranges from 85.3% to 98.1%, with intermediate precision of 86.9-96.9% and variation coefficients of 3...
December 2016: Food Additives & Contaminants. Part B, Surveillance
Tima Davidson, Orna Komissar, Elinor Goshen, Bruria Shalmon, Bar Chikman, Alon Ben-Nun, Simona Ben-Haim
OBJECTIVE: Correct interpretation of incidental tumors is important to plan an appropriate treatment. We assessed the incidence and imaging characteristics of fluorine-18 fluorodeoxyglucose (F-FDG)-avid focal parotid findings (FPFs) in patients with lung cancer. PATIENTS AND METHODS: FPFs in PET-computed tomography reports of cancer patients were searched. Those with known parotid malignancies, lymphoma, and diffuse F-FDG uptake in the entire parotid gland were not included in the analysis...
September 2016: Nuclear Medicine Communications
Hermann Giresse Tima, Kris Huygen, Marta Romano
The recognition of pathogens by the innate immune system occurs through pathogen recognition receptors (PRRs). PRRs recognize conserved pathogen-associated molecular patterns (PAMPs), triggering the induction of inflammatory innate responses and contributing to the development of specific adaptive immune responses. A better understanding of PRRs signaling has led to the development of new adjuvants for subunit vaccines based on PRR agonists. This review focuses on the lipid PAMPs present in the cell wall of mycobacteria, with emphasis on the agonists of C-type lectin receptors...
May 20, 2016: Expert Review of Vaccines
Simona Ben-Haim, Jenny Garkaby, Natalia Primashvili, Elinor Goshen, Ronnie Shapira, Tima Davidson, Ora Israel, Ron Epelbaum
OBJECTIVES: Merkel cell carcinoma (MCC) is a rare aggressive skin tumor associated with a high mortality rate. The present study evaluated the role of fluorine-18 fluorodeoxyglucose (F-FDG) PET/computed tomography (CT) in subsequent management of patients with MCC. METHODS: A total of 101 consecutive F-FDG PET/CT studies of 46 patients with MCC (28 men, 68±15.4 years) were retrospectively evaluated and the role in clinical care was documented. RESULTS: There were 40 positive studies (40%) in 28 patients (61%); of these, 33 studies (33%) in 27 patients (59%) showed metastatic disease...
August 2016: Nuclear Medicine Communications
Tima Davidson, Elinor Goshen, Iris Eshed, Jeffrey Goldstein, Bar Chikman, Simona Ben-Haim
OBJECTIVE: We describe changes in elastofibroma dorsi (EFD) as observed in serial fluorine-18 fluorodeoxyglucose (F-FDG) PET-computed tomography (CT) imaging studies. MATERIALS AND METHODS: F-FDG PET-CT studies carried out between January 2006 and January 2015 at a single institution were reviewed by an experienced radiologist and nuclear medicine specialist. When available, previous or subsequent imaging studies were reviewed to evaluate changes in EFD. RESULTS: Of 28 500 PET-CT studies carried out, EFD was identified in 68 from 20 patients (mean age 67...
August 2016: Nuclear Medicine Communications
Nathan N O'Hara, Gerard P Slobogean, Tima Mohammadi, Carlo A Marra, Milena R Vicente, Amir Khakban, Michael D McKee
BACKGROUND: Total shoulder arthroplasty (TSA) is a common treatment to decrease pain and improve shoulder function in patients with severe osteoarthritis (OA). In Canada, patients requiring this procedure often wait a year or more. Our objective was to determine patient preferences related to accessing TSA, specifically comparing out-of-pocket payments for treatment, travel time to hospital, the surgeon's level of experience and wait times. METHODS: We administered a discrete choice experiment among patients with endstage shoulder OA currently waiting for TSA...
April 2016: Canadian Journal of Surgery. Journal Canadien de Chirurgie
Helga Tima, Andrea Brückner, Csilla Mohácsi-Farkas, Gabriella Kiskó
The Fusarium mycotoxins deoxynivalenol (DON), zearalenone (ZEN) and T-2 frequently contaminate grain crops in Middle and Eastern Europe. In this survey, 116 cereal samples (maize, wheat, barley and oat) were examined for DON, ZEN and T-2 mycotoxins. Samples were collected from different areas in two Hungarian regions (North and South Transdanubia). The method of analysis was indirect competitive ELISA. Maize was the most contaminated grain regarding DON (86%), ZEN (41%) and T-2 (55%) toxins. The average results of the deoxynivalenol and zearalenone tests of maize proved to be significantly higher than those of barley or oat...
June 2016: Food Additives & Contaminants. Part B, Surveillance
Meirav Kedmi, Arie Apel, Tima Davidson, Itai Levi, Eldad J Dann, Aaron Polliack, Isaac Ben-Bassat, Arnon Nagler, Abraham Avigdor
The escalated BEACOPP (escBEACOPP) regimen improves the outcome of patients with advanced-stage Hodgkin lymphoma (HL) but is associated with cumbersome toxicity. We analyzed the survival outcome of high-risk, advanced-stage HL patients treated with response-adapted therapy. escBEACOPP was administered for 2 cycles, and after complete remission (CR) or partial remission (PR) was observed on FDG-PET/CT, treatment was de-escalated to 4 cycles of ABVD. Sixty-nine patients were evaluated, of them 45 participated in the multicenter, phase II prospective study between 2001 and 2007...
2016: Acta Haematologica
Bar Chikman, Tima Davidson, Hasan Kais, Igor Jeroukhimov, Ari Leshno, Judith Sandbank, Ariel Halevy, Ron Lavy
CDH1 gene mutations have been found to be associated with diffuse type gastric cancer and invasive lobular carcinoma (ILC) of the breast. To the best of our knowledge, this is the only study relating a family history of gastric cancer to ILC of the breast. We conducted a retrospective study comparing the family history of malignancies in patients with invasive ductal carcinoma (IDC) of the breast and ILC treated in our Medical Center. The comparison was evaluated in both types of breast cancer groups, dividing the patients into two age groups, <50 and ≥50 years...
January 2016: Familial Cancer
Jayesh Kamath, Sara Wakai, Wanli Zhang, Karen Kesten, Deborah Shelton, Robert Trestman
Use of medication algorithms in the correctional setting may facilitate clinical decision making, improve consistency of care, and reduce polypharmacy. The objective of the present study was to evaluate effectiveness of algorithm (Texas Implementation of Medication Algorithm [TIMA])-driven treatment of bipolar disorder (BD) compared with Treatment as Usual (TAU) in the correctional environment. A total of 61 women inmates with BD were randomized to TIMA (n = 30) or TAU (n = 31) and treated over a 12-week period...
August 2016: International Journal of Offender Therapy and Comparative Criminology
Jeffrey Goldstein, Einat Even-Sapir, Simona Ben-Haim, Akram Saad, Benjamin Spieler, Tima Davidson, Raanan Berger, Ilana Weiss, Sarit Appel, Yaacov R Lawrence, Zvi Symon
PURPOSE: The FDA approved C-11 choline PET/computed tomography (CT) for imaging patients with recurrent prostate cancer in 2012. Subsequently, the 2014 NCCN guidelines have introduced labeled choline PET/CT in the imaging algorithm of patients with suspected recurrent disease. However, there is only scarce data on the impact of labeled choline PET/CT findings on disease management. We hypothesized that labeled-choline PET/CT studies showing local or regional recurrence or distant metastases will have a direct role in selection of appropriate patient management and improve radiation planning in patients with disease that can be controlled using this mode of therapy...
November 4, 2014: American Journal of Clinical Oncology
Valery M Kazakov, Dmitry I Rudenko, Tima R Stuchevskaya
This article shortly examines the biography, scientific activity and scientific work on neuromuscular diseases of the famous Russian neurologist Vladimir Roth who was the founder of neuromuscular disorders study in Russia. In 1876 he was the first in Russia who performed an autopsy and a detailed histological study of a case of progressive muscular atrophy, in which he did not find changes in the nervous system. He called this disease "muscular tabes" i.e. myopathy. In 1884 Vladimir Roth expressed his opinion about the nosological place of the peripheral type of muscular tabes to be considered as a distal myopathy...
May 2014: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
Usha Stiefel, Mary Ann Tima, Michelle M Nerandzic
Antibiotics disrupt the intestinal microbiota, rendering patients vulnerable to colonization by exogenous pathogens. Intermicrobial interactions may attenuate this effect. Incubation with ceftriaxone-resistant, ccrA-positive, β-lactamase-producing Bacteroides strains raised the minimum bactericidal concentration of ceftriaxone required to kill a susceptible Escherichia coli strain (mean change, <0.25 to 29 mg/liter; P = 0.009); incubation with ceftriaxone-resistant but non-β-lactamase-producing Bacteroides strains had no effect...
January 2015: Antimicrobial Agents and Chemotherapy
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