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Cell salvage

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https://www.readbyqxmd.com/read/28801969/anesthetic-management-for-intestinal-transplantation-a-decade-of-experience
#1
Jeron Zerillo, Sang Kim, Bryan Hill, David Shapiro, Hung-Mo Lin, Alyssa Burnham, Jang Moon, Kishore Iyer, Samuel DeMaria
BACKGROUND: Intestinal transplantation (ITx) is the definitive therapy for patients suffering from intestinal failure. Previous published reports suggest that these cases should be managed peri-operatively with the same intensive monitors and techniques as in liver transplantation. METHODS: We retrospectively reviewed the anesthetic management of sixty-seven isolated intestinal, intestinal-pancreas and intestinal-kidney transplants over the previous decade (2005-2015) in our tertiary care institution...
August 12, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28801583/effect-of-x-ray-irradiation-on-hepatocarcinoma-cells-and-erythrocytes-in-salvaged-blood
#2
Feng-Jiang Zhang, Jin-Ting Yang, Li-Hui Tang, Wen-Na Wang, Kai Sun, Yue Ming, Kanhar Ghulam Muhammad, Yin-Fei Zheng, Min Yan
The broad clinical acceptance of intraoperative blood salvage and its applications in cancer surgery remain controversial. Until now, a method that can safely eliminate cancer cells while preserving erythrocytes does not exist. Here, we investigated whether X-ray generated from linear accelerator irradiation at a certain dose can kill hepatocarcinoma cells while preserving erythrocytes. HepG2, SK-Hep1 or Huh7 cells were mixed into the aliquots of erythrocytes obtained from healthy volunteers. After the mixed cells were exposed to 30 Gy and 50 Gy X-rays irradiation, the viability, clonogenicity, DNA synthesis and tumorigenicity of the tumor cells were determined by the MTT assay, plate colony formation, 5-ethynyl-2'-deoxyuridine incorporation, and subcutaneous xenograft implantation into immunocompromised mice...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#3
Mara Penne, Maryam Sarraf Yazdy, Kruti Sheth Nair, Bruce D Cheson
INTRODUCTION: Bendamustine, typically in combination with rituximab, is an effective treatment for chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin lymphoma. Despite its acceptable short-term toxicity profile, long-term toxicities are less well established. This study investigated the long-term adverse effects of bendamustine and responses to subsequent treatments. PATIENTS AND METHODS: Charts of 194 patients were retrospectively reviewed; 54% had received prior treatment (76% attained complete response [CR] or partial response [PR])...
June 30, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28796730/squamous-cancers-of-the-rectum-demonstrate-poorer-survival-and-increased-need-for-salvage-surgery-compared-with-squamous-cancers-of-the-anus
#4
Audrey S Kulaylat, Christopher S Hollenbeak, David B Stewart
BACKGROUND: Squamous cell cancers of the anus are rare GI malignancies for which neoadjuvant chemoradiation is the first-line treatment for nonmetastatic disease. Squamous cancers of the rectum are far less common, and it is unclear to what degree chemoradiotherapy improves their outcomes. OBJECTIVE: The purpose of this study was to compare stage-specific survival for anal and rectal squamous cancers stratified by treatment approach. DESIGN: This was a retrospective cohort study...
September 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28794968/successful-salvage-chemotherapy-and-allogeneic-transplantation-of-an-acute-myeloid-leukemia-patient-with-disseminated-fusarium-solani-infection
#5
Sheenu Sheela, Sawa Ito, Jeffrey R Strich, Maura Manion, Celina Montemayor-Garcia, Hao-Wei Wang, Karolyn A Oetjen, Kamile A West, Austin J Barrett, Mark Parta, Juan Gea-Banacloche, Steven M Holland, Christopher S Hourigan, Catherine Lai
Disseminated Fusarium infection is associated with high mortality in immunocompromised patients. Patients with acute myeloid leukemia (AML) often have an extended duration of neutropenia during intensive induction chemotherapy, consolidation chemotherapy, and hematopoietic stem cell transplantation (SCT). There is no consensus regarding management of invasive disseminated Fusarium infections in the setting of prolonged neutropenia (Tortorano et al., 2014) [1]. We report a case of disseminated Fusarium in a patient with relapsed AML who underwent successful chemotherapy and haplo-identical allogeneic SCT with administration of granulocyte colony stimulating factor (G-CSF) and granulocyte infusions...
2017: Leukemia Research Reports
https://www.readbyqxmd.com/read/28794158/intracellular-rebinding-of-transition-state-analogues-provides-extended-in-vivo-inhibition-lifetimes-on-human-purine-nucleoside-phosphorylase
#6
Sara T Gebre, Scott A Cameron, Lei Li, Y S Babu, Vern L Schramm
Purine nucleoside phosphorylase (PNP) is part of the human purine salvage pathway. Its deficiency triggers apoptosis of activated T-cells, making it a target for T-cell proliferative disorders. Transition-state analogues of PNP bind with picomolar (pM) dissociation constants. Tight-binding PNP inhibitors show exceptionally long lifetimes on the target enzyme. We solve the mechanism of the target residence time by comparing functional off-rates in vitro and in vivo. We report in vitro PNP-inhibitor dissociation rates (t1/2) from 3 to 31 min for seven Immucillins with dissociation constants of 115 to 6 pM...
August 9, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28793833/synergistic-therapeutic-effect-of-three-dimensional-stem-cell-clusters-and-angiopoietin-1-on-promoting-vascular-regeneration-in-ischemic-region
#7
Jungmi Kang, Jeong-Kee Yoon, Seung Ja Oh, Byung-Soo Kim, Sang-Heon Kim
Peripheral artery disease (PAD) is an ischemic disease characterized by reduced blood flow to the legs, feet, and hands. Human mesenchymal stem cells (MSCs) are an attractive cell source to treat PAD in regenerative medicine. However, in clinical applications, the use of adult stem cells has several limitations, such as low cell viability and low therapeutic efficiency. In the present study, we described an innovative method of culturing three-dimensional stem cell clusters (AngioclusterTM, AC), demonstrated the potential for ACs to differentiate into vascular cells, and assessed the synergistic effects of ACs and angiopoietin-1 (Ang-1) on angiogenesis in ischemic animal models...
August 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28780008/the-role-of-positron-emission-tomography-computed-tomography-imaging-in-head-and-neck-cancer-after-radical-chemoradiotherapy-a-single-institution-experience
#8
C Nelissen, J Sherriff, T Jones, P Guest, S Colley, P Sanghera, A Hartley
AIMS: Positron emission tomography/computed tomography (PET/CT) is used to restage head and neck cancer 3 months after chemoradiotherapy. The purpose of this study was to determine the negative predictive value (NPV) of a scan reported as having no abnormal uptake and the positive predictive values (PPV) for different maximum standardised uptake value (SUVmax) thresholds. MATERIALS AND METHODS: Patients with squamous cell carcinoma of the oro-/hypopharynx/larynx (n = 206) were included...
August 2, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28776639/postpartum-obstetric-red-cell-transfusion-practice-a-retrospective-study-in-a-tertiary-obstetric-centre
#9
Benjamin Stephens, Farah Sethna, Philip Crispin
BACKGROUND: Traditional management of anaemia due to postpartum haemorrhage (PPH) has relied upon salvage therapy with red cell transfusion. Recently published guidance recommends a change in approach toward holistic patient blood management. AIMS: To determine whether postpartum red cell transfusion practices are consistent with best practice and to identify opportunities for improvement. MATERIALS AND METHODS: A retrospective audit of postpartum red cell transfusions was conducted at a tertiary level obstetrics unit...
August 4, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28774879/outcomes-in-refractory-diffuse-large-b-cell-lymphoma-results-from-the-international-scholar-1-study
#10
Michael Crump, Sattva S Neelapu, Umar Farooq, Eric Van Den Neste, John Kuruvilla, Jason Westin, Brian K Link, Annette Hay, James R Cerhan, Liting Zhu, Sami Boussetta, Lei Feng, Matthew J Maurer, Lynn Navale, Jeff Wiezorek, William Y Go, Christian Gisselbrecht
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin lymphoma. Although 5-year survival rates in the first-line setting range from 60% to 70%, up to 50% of patients become refractory to or relapse after treatment. Published analyses of large-scale outcome data from patients with refractory DLBCL are limited. The international, multicohort retrospective non-Hodgkin lymphomaresearch (SCHOLAR-1) study retrospectively evaluated outcomes in patients with refractory DLBCL, which, for this study, was defined as progressive disease or stable disease as best response at any point during chemotherapy (>4 cycles of first-line or 2 cycles of later-line therapy) or relapsed ≤12 months of autologous stem cell transplantation...
August 3, 2017: Blood
https://www.readbyqxmd.com/read/28771662/neurotoxic-side-effects-in-children-with-refractory-or-relapsed-t-cell-malignancies-treated-with-nelarabine-based-therapy
#11
Michaela Kuhlen, Kirsten Bleckmann, Anja Möricke, Martin Schrappe, Simon Vieth, Gabriele Escherich, Annika Bronsema, Annika Vonalt, Manon Queudeville, C Michel Zwaan, Martin Ebinger, Klaus-Michael Debatin, Thomas Klingebiel, Ewa Koscielniak, Claudia Rossig, Birgit Burkhardt, Reinhard Kolb, Cornelia Eckert, Arndt Borkhardt, Arend von Stackelberg, Christiane Chen-Santel
The prognosis in children with refractory or relapsed (r/r) T-cell acute lymphoblastic leukaemia (T-ALL) or lymphoblastic lymphoma (T-LBL) is poor. Nelarabine (Ara-G) has successfully been used as salvage therapy in these children, but has been associated with significant, even fatal, neurotoxicities. We retrospectively analysed 52 patients with r/r T-ALL/T-LBL aged ≤19 years who were treated with Ara-G alone (n = 25) or in combination with cyclophosphamide and etoposide (n = 27). The majority of patients (45/52) received 1-2 cycles of Ara-G...
August 2, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28760907/caspofungin-mediated-growth-inhibition-and-paradoxical-growth-in-aspergillus-fumigatus-involve-fungicidal-hyphal-tip-lysis-coupled-with-regenerative-intrahyphal-growth-and-dynamic-changes-in-%C3%AE-1-3-glucan-synthase-localization
#12
Sergio D Moreno-Velásquez, Constanze Seidel, Praveen R Juvvadi, William J Steinbach, Nick D Read
Caspofungin targets cell wall β-1,3-glucan synthesis and is guideline-recommended to treat invasive aspergillosis as salvage therapy. Although caspofungin is inhibitory at low concentrations, it exhibits a 'paradoxical effect' (reversal of growth inhibition) at high concentrations by an undetermined mechanism. Treatment with either growth inhibitory (0.5 μg/ml) or paradoxical growth-inducing (4 μg/ml) caspofungin concentrations for 24 h caused similar abnormalities, including wider, hyperbranched hyphae, increased septation, and repeated hyphal tip lysis followed by regenerative intrahyphal growth...
July 31, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28758283/copy-number-profiling-of-adult-relapsed-b-cell-precursor-acute-lymphoblastic-leukemia-reveals-potential-leukemia-progression-mechanisms
#13
Jordi Ribera, Lurdes Zamora, Mireia Morgades, Mar Mallo, Neus Solanes, Montserrat Batlle, Susana Vives, Isabel Granada, Jordi Juncà, Roberto Malinverni, Eulàlia Genescà, Ramon Guàrdia, Santiago Mercadal, Lourdes Escoda, Joaquín Martinez-Lopez, Mar Tormo, Jordi Esteve, Marta Pratcorona, Carmen Martinez-Losada, Francesc Solé, Evarist Feliu, Josep Maria Ribera
The outcome of relapsed adult acute lymphoblastic leukemia (ALL) remains dismal despite new therapeutic approaches. Previous studies analyzing relapse samples have shown a high degree of heterogeneity regarding gene alterations without an evident relapse signature. Bone marrow or peripheral blood samples from 31 adult B-cell precursor ALL patients at first relapse, and 21 paired diagnostic samples were analyzed by multiplex ligation probe-dependent amplification (MLPA). Nineteen paired diagnostic and relapse samples of these 21 patients were also analyzed by SNP arrays...
July 30, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28757689/management-outcome-s-in-eyes-with-retinoblastoma-previously-inadequately-treated-with-systemic-chemotherapy-alone-without-focal-therapy
#14
Yacoub A Yousef, Rashed M Nazzal, Mohammed B Khalil, Rasha Deebajah, Mustafa Mehyar, Shatha Hajja, Mona Mohammad, Reem Al Jabary, Imad Jaradat, Iyad Sultan, Ibrahim Al Nawaiseh
OBJECTIVE: The objective of this study was to evaluate the outcome of management in eyes with intraocular retinoblastoma (RB) that had received inadequate initial therapy (chemotherapy without focal therapy) before eventually receiving necessary consolidation therapy at a tertiary referral center. METHODS: A retrospective observational case series of 30 eyes from 26 RB patients who had initially received systemic chemotherapy as a sole therapy. The main outcome measures were demographics, laterality, International Classification of RB (ICRB), treatments, tumor control, and survival...
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28757131/oral-tranexamic-acid-reduces-transfusions-in-total-knee-arthroplasty
#15
Roger E Perreault, Christine A Fournier, David A Mattingly, Richard P Junghans, Carl T Talmo
BACKGROUND: Tranexamic acid (TXA) reduces intraoperative blood loss and transfusions in patients undergoing total knee arthroplasty. Although numerous studies demonstrate the efficacy of intravenous and topical TXA in these patients, few demonstrate the effectiveness and appropriate dosing recommendations of oral formulations. METHODS: A retrospective cohort study was performed to evaluate differences in transfusion requirements in patients undergoing primary unilateral total knee arthroplasty with either no TXA (n = 866), a single-dose of oral TXA (n = 157), or both preoperative and postoperative oral TXA (n = 1049)...
April 6, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28756225/identification-of-novel-resistance-mechanisms-to-nampt-inhibition-via-the-de-novo-nad-biosynthesis-pathway-and-nampt-mutation
#16
Jun Guo, Lloyd T Lam, Kenton L Longenecker, Mai H Bui, Kenneth B Idler, Keith B Glaser, Julie L Wilsbacher, Chris Tse, William N Pappano, Tzu-Hsuan Huang
Cancer cells have an unusually high requirement for the central and intermediary metabolite nicotinamide adenine dinucleotide (NAD(+)), and NAD(+) depletion ultimately results in cell death. The rate limiting step within the NAD(+) salvage pathway required for converting nicotinamide to NAD(+) is catalyzed by nicotinamide phosphoribosyltransferase (NAMPT). Targeting NAMPT has been investigated as an anti-cancer strategy, and several highly selective small molecule inhibitors have been found to potently inhibit NAMPT in cancer cells, resulting in NAD(+) depletion and cytotoxicity...
July 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28753801/age-%C3%A2-40-years-is-associated-with-adverse-outcome-in-metastatic-germ-cell-cancer-despite-appropriate-intended-chemotherapy
#17
Rowan E Miller, Sarah C Markt, Elizabeth O'Donnell, Brandon Bernard, Laurence K Albiges, Clair Beard, Christopher J Sweeney
BACKGROUND: Age ≥40 yr is associated with poorer testicular cancer outcomes in population-based studies. OBJECTIVE: To assess the association between age (≥40 yr) and outcomes among men with germ cell tumors (GCTs) in a large hospital registry. DESIGN, SETTING, AND PARTICIPANTS: Electronic medical records for 1095 GCT patients treated at Dana-Farber Cancer Institute between 1997 and 2013 were reviewed. Information regarding histology, stage, treatment, and patient characteristics was obtained...
October 26, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28753790/positive-pelvic-lymph-nodes-in-prostate-cancer-harbor-immune-suppressor-cells-to-impair-tumor-reactive-t-cells
#18
Vidit Sharma, Haidong Dong, Eugene Kwon, R Jeffrey Karnes
The impact of prostate cancer (PCa) metastases on pelvic lymph nodes in local antitumor immunity remains unknown. We prospectively enrolled ten hormone therapy-naïve men undergoing salvage pelvic lymph node dissection (sPLND) and analyzed their peripheral blood (PB) and positive pelvic lymph nodes (PPLNs) with PCa metastases for tumor-reactive CD8(+) T cells and myeloid-derived suppressor cells (MDSCs) using flow cytometry. MDSCs were stratified into CD14(+) monocytic and CD14(-) granulocytic types. PD-L1/2 expression was also analyzed for MDSCs...
September 21, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28752046/nicotinamide-riboside-kinases-display-redundancy-in-mediating-nicotinamide-mononucleotide-and-nicotinamide-riboside-metabolism-in-skeletal-muscle-cells
#19
Rachel S Fletcher, Joanna Ratajczak, Craig L Doig, Lucy A Oakey, Rebecca Callingham, Gabriella Da Silva Xavier, Antje Garten, Yasir S Elhassan, Philip Redpath, Marie E Migaud, Andrew Philp, Charles Brenner, Carles Canto, Gareth G Lavery
OBJECTIVE: Augmenting nicotinamide adenine dinucleotide (NAD(+)) availability may protect skeletal muscle from age-related metabolic decline. Dietary supplementation of NAD(+) precursors nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR) appear efficacious in elevating muscle NAD(+). Here we sought to identify the pathways skeletal muscle cells utilize to synthesize NAD(+) from NMN and NR and provide insight into mechanisms of muscle metabolic homeostasis. METHODS: We exploited expression profiling of muscle NAD(+) biosynthetic pathways, single and double nicotinamide riboside kinase 1/2 (NRK1/2) loss-of-function mice, and pharmacological inhibition of muscle NAD(+) recycling to evaluate NMN and NR utilization...
August 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28751916/sertoli-leydig-cell-tumor-with-concurrent-rhabdomyosarcoma-three-case-reports-and-a-review-of-the-literature
#20
Trisha Plastini, Arthur Staddon
Sertoli-Leydig Cell Tumors (SLCTs) make up <1% of all ovarian tumors and are benign or malignant, androgen-secreting tumors. Rhabdomyosarcoma (RMS) is a heterogeneous group of malignant tumors that resemble developing skeletal muscle. There have been case reports of patients with concurrent SLCT and RMS with limited treatment options. We aim to demonstrate treatment strategies used in our patients, which seemed to have prolonged survival when compared to prior case reports of patients not cured by surgical resection...
2017: Case Reports in Medicine
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