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https://www.readbyqxmd.com/read/28734876/t-cell-depletion-as-an-alternative-approach-for-patients-55-years-undergoing-allogeneic-stem-cell-transplantation-as-curative-therapy-for-hematologic-malignancies
#1
Ann A Jakubowski, Erica Petrlik, Molly Maloy, Patrick Hilden, Esperanza Papadopoulos, James W Young, Farid Boulad, Hugo Castro-Malaspina, Roni Tamari, Parastoo B Dahi, Jenna Goldberg, Guenther Koehne, Miguel-Angel Perales, Craig S Sauter, Richard J O'Reilly, Sergio Giralt
T cell depleted allogeneic hematopoietic stem cell transplantation (TCD HSCT) is curative treatment for hematologic malignancies in adults, shown to reduce graft vs. host disease (GVHD) without increased relapse. We retrospectively reviewed a single center, 11yr experience of 214 patients ≥55yrs to determine tolerability and efficacy in the older adult. The majority (70%) had myeloid diseases and most acute leukemias were in remission. Median age was 61 yrs with related and unrelated donors > 8/10 HLA matched...
July 19, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28734658/kidney-transplantation-a-new-era-of%C3%A2-laparoscopic-living-donor-nephrectomy-in%C3%A2-indonesia
#2
Albertus Marcelino, Chaidir Arif Mochtar, Irfan Wahyudi, Agus Rizal Hamid
BACKGROUND: Since its introduction in 1995, laparoscopic living donor nephrectomy (LLDN) has been a standard procedure in many transplantation centers worldwide. In 2011, LLDN was performed for the first time in Indonesia and became a standard procedure at our institution. The aim of this study is to evaluate the first 250 cases of LLDN at our institution. METHODS: Retrospective analyses were conducted of the first 250 cases of LLDN. All operations were performed between November 2011 and July 2015 at Cipto Mangunkusumo Hospital, Jakarta...
July 19, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28734534/elbow-vascularized-composite-allotransplantation-surgical-anatomy-and-technique
#3
Zvi Steinberger, Heng Xu, Nikolas H Kazmers, Stephanie Thibaudeau, Russel G Huffman, L Scott Levin
BACKGROUND: Elbow reconstruction with vascularized composite allotransplantation (VCA) may hold promise in treating end-stage arthritis as no current treatment is both functional and durable. We describe the vascular and gross anatomy of the elbow in the context of VCA procurement and propose a step-by-step surgical technique for human elbow VCA. METHODS: We injected latex in the arterial tree of 16 fresh adult cadaveric upper extremities. We identified and measured arteries and nerves and their branch points relative to the medial epicondyle...
August 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28734096/association-of-toxoplasma-gondii-infection-with-schizophrenia-and-its-relationship-with-suicide-attempts-in-these-patients
#4
Maryam Ansari-Lari, Hassan Farashbandi, Fahimeh Mohammadi
OBJECTIVES: To investigate the association of schizophrenia and T. gondii, and to assess the association of infection with suicide attempts and age of onset of schizophrenia in these patients. METHODS: Case-control study Fars Province, southern Iran. Cases were individuals with psychiatric diagnosis of schizophrenia as per Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) criteria. Controls were healthy blood donors, frequency matched with patients according to age and sex...
July 22, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28734023/how-do-we-manage-blood-donors-and-recipients-after-a-positive-zika-screening-result
#5
Alexandra Jimenez, Beth H Shaz, Debra Kessler, Evan M Bloch
Zika virus (ZIKV) is a mosquito-borne flavivirus that is the focus of an ongoing pandemic. ZIKV is notable for its severe neurologic sequelae in babies born to infected mothers. High rates of subclinical infection, as evidenced by the finding of ZIKV RNA in asymptomatic donors, raise concerns of risk to the blood supply. To date, a total of four suspected cases of transfusion-transmitted ZIKV have been reported (all in Brazil), none of which were associated with clinical infection in the transfusion recipients...
July 21, 2017: Transfusion
https://www.readbyqxmd.com/read/28732344/visible-light-driven-label-free-photoelectrochemical-immunosensor-based-on-tio2-s-bivo4-ag2s-nanocomposites-for-sensitive-detection-ota
#6
Jinhui Feng, Yueyun Li, Zengqiang Gao, Hui Lv, Xiaobo Zhang, Dawei Fan, Qin Wei
A label-free photoelectrochemical (PEC) platform with high visible-light activity for quantitative detection of the ochratoxin A (OTA) was developed by assembly of Ag2S nanoparticles (NPs) sensitized on titanium dioxide/red blood cell-like shape bismuth vanadate (TiO2/S-BiVO4) electrode via layer-by-layer (LBL) strategy. In this protocol, ascorbic acid was used as an efficient electron donor for scavenging photo-generated holes and inhibiting light driven electron-hole pair recombination. TiO2 has good photoelectric activity and large surface area...
July 13, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28732218/invasiveness-of-tibial-bone-graft-harvesting-for-secondary-alveolar-bone-grafting-can-harvesting-be-made-at-the-age-of-less-than-10%C3%A2-years-without-complications
#7
Kohta Fukuta, Kenichi Kurita, Atsushi Nakayama, Masahito Maeda, Hiroshi Watanabe, Mitsuo Goto
PURPOSE: In this study, particulate cancellous bone marrow was harvested from the tibia for alveolar bone grafting, and postoperative complications at the donor site were compared between patients aged 10 years or older (29 tibias) and those aged younger than 10 years (42 tibias). PATIENTS AND METHODS: Enrolled patients were those who underwent tibial bone graft harvesting at the Department of Oral and Maxillofacial Surgery, Aichi Gakuin University, during a period of 3 years and 1 month from March 2012 through March 2015...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28732213/comparison-of-blood-collection-tubes-from-three-different-manufacturers-for-the-collection-of-cell-free-dna-for-liquid-biopsy-mutation-testing
#8
Christina Alidousty, Danielle Brandes, Carina Heydt, Svenja Wagener, Maike Wittersheim, Stephan Christian Schäfer, Barbara Holz, Sabine Merkelbach-Bruse, Reinhard Büttner, Jana Fassunke, Anne Maria Schultheis
The improvement in sensitive techniques has allowed the detection of tumor-specific aberrations in circulating tumor (ct) DNA. Amplification-refractory mutation system PCR has been used for the analysis of ctDNA to detect resistance-causing mutations in the epidermal growth factor receptor gene (eg, EGFR T790M) in lung cancer patients. So far, Streck tubes have been widely used as standard blood collection tubes. Here, we compared blood collection tubes manufactured by Streck with tubes from Roche and Qiagen regarding their utility in stabilizing ctDNA in plasma samples...
July 18, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28732090/incidence-predictors-and-severity-of-adverse-events-among-whole-blood-donors
#9
Hamdan Almutairi, Mahmoud Salam, Abdulaziz Alajlan, Faisal Wani, Bushra Al-Shammari, Khaled Al-Surimi
BACKGROUND: Adverse events have been reported post blood donation. Donors might refrain from donating again due to such events which lowers the blood supply in collection centers. AIM: This study measured the incidence, predictors and severity of adverse events among donors of a single whole blood unit at one of the largest donation centers in Saudi Arabia. METHODS: A retrospective cohort was conducted in 2015 to investigate the adverse events immediately post donation...
2017: PloS One
https://www.readbyqxmd.com/read/28731910/new-answers-to-old-conundrums-what-antibodies-exosomes-and-inflammasomes-bring-to-the-conversation-canadian-national-transplant-research-program-international-summit-report
#10
Mélanie Dieudé, Lori J West, Daniel A Muruve, Lakshman Gunaratman, Thalachallour Mohanakumar, Emmanuel Zorn, Christopher W Cairo, Darren H Freed, Kirk R Schultz, Robert L Fairchild, Marie-Josée Hébert
Antibody-mediated injury is a major cause of allograft dysfunction and loss. Antibodies to ABH(O) blood group antigens are classical mediators of ABO-incompatible (ABOi) graft rejection, while donor-specific anti-HLA antibodies and, more recently, autoantibodies are appreciated as important contributors to allograft inflammation and dysfunction. In August 2016, the International Summit of the Canadian National Transplant Research Program focused on recent advances in the field of antibody-mediated rejection...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731615/the-prevalence-of-ccr5-%C3%AE-32-mutation-in-a-cohort-of-saudi-stem-cell-donors
#11
M Alarifi, F Al-Amro, A Alalwan, A Al-Turki, H Fakhoury, N Atallah, M Al Muallimi, M Al-Balwi, M ALzahrani, A Alaskar, A Hajeer, D Jawdat
CCR5 is a chemokine receptor that also was found to be used by HIV as a co-receptor for entering target cells. A 32 bp deletion was described in certain people that rendered CCR5 non-functional. The mutant allele CCR5-Δ32 has been shown to prevent HIV infection. In addition, stem cell transplantation with the CCR5-Δ32 homozygous genotype can lead to clearance of HIV infection. In this study, our aim was to investigate the frequency of CCR5-Δ32 mutation in a cohort of stem cell donors from cord blood bank and stem cell donor registry...
July 21, 2017: HLA
https://www.readbyqxmd.com/read/28730912/rhd-specific-microrna-for-regulation-of-the-del-blood-group-integration-of-computational-and-experimental-approaches
#12
J Thongbut, U Kerdpin, T Sakuldamrongpanich, C Issarankura-Na-Ayudhya, P Nuchnoi
OBJECTIVE: The discovery of specific microRNAs (miRNA) mediates a better understanding of molecular mechanisms, diagnosis and prognosis of complex phenotypes. Synthesis of the RhD blood group involves multiple factors causing variation in the expression of RHD antigens. The mechanism underlying the extremely weak expression of RHD antigen associated with the RHD variant called DEL (D-elute) is incompletely understood. Down-regulation of gene expression through miRNA is a guide to the potential involvement of miRNAs in the DEL blood group...
July 21, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28730155/surveillance-study-of-influenza-occurrence-and-immunity-in-a-wisconsin-cohort-during-the-2009-pandemic
#13
Chia-Yun Lo, Susan L Strobl, Kimberly Dunham, Wei Wang, Lucy Stewart, Julia A Misplon, Mayra Garcia, Jin Gao, Tatsuhiko Ozawa, Graeme E Price, Jose Navidad, Steve Gradus, Sanjib Bhattacharyya, Cecile Viboud, Maryna C Eichelberger, Carol D Weiss, Jack Gorski, Suzanne L Epstein
BACKGROUND: Antibody and T-cell immunity to conserved influenza virus antigens can protect animals against infection with diverse influenza strains. Although immunity against conserved antigens occurs in humans, whether such responses provide cross-protection in humans and could be harnessed as the basis for universal influenza vaccines is controversial. The 2009 pandemic provided an opportunity to investigate whether pre-existing cross-reactive immunity affected susceptibility to infection...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28729150/impact-of-dendritic-cell-recovery-on-outcomes-after-umbilical-cord-blood-and-sibling-donor-transplantation-for-hematologic-malignancies
#14
Waseem Touma, Claudio G Brunstein, Michael R Verneris, Qing Cao, Julie Curtsinger, Jeffrey S Miller, Veronika Bachanova
Dendritic cells (DCs) orchestrate immune responses after allogeneic hematopoietic cell transplantation (HCT). We studied the association of donor myeloid DCs (mDCs) and plasmacytoid DCs (pDCs) recovery in the landmark analysis of umbilical cord blood (UCB) and matched related donor (RD) HCT. Eighty patients (42 UCB and 38 RD recipients) with a day 100 (D+100) blood sample were included in the analysis. Median age was 51 years (20-71). Most patients had acute leukemia (50%) or lymphoma (23%) and received reduced-intensity conditioning (75%)...
July 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28728576/beneficial-effect-of-kidney-transplantation-from-a-deceased-donor-on-severe-chronic-refractory-intradialytic-hypotension-a-case-report
#15
Ewa Ignacak, Dominik Cieniawski, Alina Bętkowska-Prokop, Czesław Osuch, Marek Kuźniewski, Władysław Sułowicz
BACKGROUND: Chronic refractory hypotension (IDH, intradialytic hypotension) is a rare but serious problem encountered in patients on hemodialysis. Patients with chronic hypotension are often disqualified by transplant teams from renal transplantation. This is due to the possibility of an enormous risk of ischemic complications. CASE PRESENTATION: We describe a 44-year old female patient with severe refractory hypotension (mean BP 60/30 mmHg, the lowest 48/28 mmHg), which appeared after bilateral laparoscopic nephrectomy of the infected kidneys...
July 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28726521/polymer-donors-of-nitric-oxide-improve-the-treatment-of-experimental-solid-tumours-with-nanosized-polymer-therapeutics
#16
Milada Šírová, Veronika Horková, Tomáš Etrych, Petr Chytil, Blanka Říhová, Martin Studenovský
Polymer carriers based on N-(2-hydroxypropyl)methacrylamide (HPMA) copolymers with incorporated organic nitrates as nitric oxide (NO) donors were designed with the aim to localize NO generation in solid tumours, thus highly increasing the enhanced permeability and retention (EPR) effect. The NO donors were coupled to the polymer carrier either through a stable bond or through a hydrolytically degradable, pH sensitive, bond. In vivo, the co-administration of the polymer NO donor and HPMA copolymer-bound cytotoxic drug (doxorubicin; Dox) resulted in an improvement in the treatment of murine EL4 T-cell lymphoma...
July 20, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28724795/alx-receptor-ligands-define-a-biochemical-endotype-for-severe-asthma
#17
Isabell Ricklefs, Ioanna Barkas, Melody G Duvall, Manuela Cernadas, Nicole L Grossman, Elliot Israel, Eugene R Bleecker, Mario Castro, Serpil C Erzurum, John V Fahy, Benjamin M Gaston, Loren C Denlinger, David T Mauger, Sally E Wenzel, Suzy A Comhair, Andrea M Coverstone, Merritt L Fajt, Annette T Hastie, Mats W Johansson, Michael C Peters, Brenda R Phillips, Bruce D Levy
BACKGROUND: In health, inflammation resolution is an active process governed by specialized proresolving mediators and receptors. ALX/FPR2 receptors (ALX) are targeted by both proresolving and proinflammatory ligands for opposing signaling events, suggesting pivotal roles for ALX in the fate of inflammatory responses. Here, we determined if ALX expression and ligands were linked to severe asthma (SA). METHODS: ALX expression and levels of proresolving ligands (lipoxin A4 [LXA4], 15-epi-LXA4, and annexin A1 [ANXA1]), and a proinflammatory ligand (serum amyloid A [SAA]) were measured in bronchoscopy samples collected in Severe Asthma Research Program-3 (SA [n = 69], non-SA [NSA, n = 51] or healthy donors [HDs, n = 47])...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28724447/blood-donation-practice-and-its-associated-factors-among-health-professionals-of-university-of-gondar-hospital-northwest-ethiopia-a-cross-sectional-study
#18
Getachew Arage, Seada Ibrahim, Endeshaw Adimasu
BACKGROUND: Blood donation has remained a challenge in developing countries, like Ethiopia. In Ethiopia there is a high reliance on family surrogate and waged blood donors which carries an attendant increased risk of transfusion transmissible infection. Health workers are expected to practice blood donation so as to create a good image to the public. A study on blood donation behavior may improve successful implementation of the blood donation programs. METHODS: An institution based cross-sectional study was deployed from January to June 2015...
July 19, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28723950/high-affinity-anti-tim-3-and-anti-kir-monoclonal-antibodies-cloned-from-healthy-human-individuals
#19
Stefan Ryser, Angeles Estellés, Edgar Tenorio, Lawrence M Kauvar, Mikhail L Gishizky
We report here the cloning of native high affinity anti-TIM-3 and anti-KIR IgG monoclonal antibodies (mAbs) from peripheral blood mononuclear cells (PBMC) of healthy human donors. The cells that express these mAbs are rare, present at a frequency of less than one per 105 memory B-cells. Using our proprietary multiplexed screening and cloning technology CellSpot™ we assessed the presence of memory B-cells reactive to foreign and endogenous disease-associated antigens within the same individual. When comparing the frequencies of antigen-specific memory B-cells analyzed in over 20 screening campaigns, we found a strong correlation of the presence of anti-TIM-3 memory B-cells with memory B-cells expressing mAbs against three disease-associated antigens: (i) bacterial DNABII proteins that are a marker for Gram negative and Gram positive bacterial infections, (ii) hemagglutinin (HA) of influenza virus and (iii) the extracellular domain of anaplastic lymphoma kinase (ALK)...
2017: PloS One
https://www.readbyqxmd.com/read/28722144/mechanisms-involved-in-hypersensitivity-reactions-to-polysulfone-hemodialysis-membranes
#20
Aranzazu Rodríguez-Sanz, Rafael Sánchez-Villanueva, Javier Domínguez-Ortega, Ana-María Fiandor, María-Paz Ruiz, Filomena Trocoli, Rafael Díaz-Tejeiro, Carlos Cadenillas, Elena González, Virginia Martínez, Margarita López-Trascasa, Santiago Quirce, Rafael Selgas, Teresa Bellón
Several cases of patients with anaphylactic or systemic hypersensitivity reactions to polysulfone (PS) hemodialysis (HD) membranes and tolerance to cellulose triacetate (CTA) membranes have recently been reported. To investigate the mechanisms involved in PS hypersensitivity, basophil, T cell, and complement activation were analyzed in acute-phase samples from two patients with systemic reactions to PS-based membranes. Basophil and T cell activation, as well as higher serum tryptase levels were detected in acute-phase samples compared with basal levels...
July 19, 2017: Artificial Organs
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