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https://www.readbyqxmd.com/read/29037020/factors-associated-with-pulmonary-toxicity-after-myeloablative-conditioning-using-fractionated-total-body-irradiation
#1
Hwa Kyung Byun, Hong In Yoon, Jaeho Cho, Hyun Ju Kim, Yoo Hong Min, Chuhl Joo Lyu, June-Won Cheong, Jin Seok Kim, Hyo Sun Kim, Soo-Jeong Kim, Andrew Jihoon Yang, Byung Min Lee, Won Hee Lee, Joongyo Lee, Ki Jung Ahn, Chang-Ok Suh
PURPOSE: Pulmonary toxicities, including infectious pneumonia (IP) and idiopathic pneumonia syndrome (IPS), are serious side effects of total body irradiation (TBI) used for myeloablative conditioning. This study aimed to evaluate clinical factors associated with IP and IPS following TBI. MATERIALS AND METHODS: Fifty-eight patients with hematologic malignancies who underwent TBI before allogeneic hematopoietic stem cell transplantation between 2005 and 2014 were reviewed...
September 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/29036595/persistent-in-vivo-cytogenetic-effects-of-radioiodine-therapy-a-21-year-follow-up-study-using-multicolor-fish
#2
Gordon K Livingston, Maria Escalona, Alvis Foster, Adayabalam S Balajee
Our previous studies demonstrated the cytogenetic effects in the peripheral blood lymphocytes of a 34-year-old male patient who received ablative radioactive 131iodine therapy (RIT) on two different occasions in 1992 and 1994. Assessment of RIT-induced chromosomal damage by the cytokinesis-blocked micronucleus assay (CBMN) showed the persistence of elevated micronucleus frequency in this patient for more than two decades since the first RIT. Subsequent cytogenetic analysis performed in 2012 revealed both stable and unstable aberrations, whose frequencies were higher than the baseline reported in the literature...
September 21, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/29036224/immortalized-porcine-mesenchymal-cells-derived-from-nasal-mucosa-lungs-lymph-nodes-spleen-and-bone-marrow-retain-their-stemness-properties-and-trigger-the-expression-of-siglec-1-in-co-cultured-blood-monocytic-cells
#3
Abubakar Garba, Lowiese M B Desmarets, Delphine D Acar, Bert Devriendt, Hans J Nauwynck
Mesenchymal stromal cells have been isolated from different sources. They are multipotent cells capable of differentiating into many different cell types, including osteocytes, chondrocytes and adipocytes. They possess a therapeutic potential in the management of immune disorders and the repair of damaged tissues. Previous work in our laboratory showed an increase of the percentages of CD172a+, CD14+, CD163+, Siglec-1+, CD4+ and CD8+ hematopoietic cells, when co-cultured with immortalized mesenchymal cells derived from bone marrow...
2017: PloS One
https://www.readbyqxmd.com/read/29036027/early-macrophage-infiltration-improves-the-fat-graft-survival-by-inducing-angiogenesis-and-hematopoietic-stem-cell-recruitment
#4
Junrong Cai, Jingwei Feng, Kaiyang Liu, Shaolong Zhou, Feng Lu
BACKGROUND: Fat grafting is a popular soft tissue filler method; however, its results are variable and technique-dependent. Macrophages are present in fat grafts and closely associated with tissue regeneration. We hypothesized that activation/depletion of early macrophages in transferred fat improves/impairs fat graft survival. METHODS: Mouse inguinal fat (~150 mg) was transferred autologously. Fat grafting was first performed without other manipulations to obtain baseline information...
October 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29035398/risks-factors-and-timing-of-genital-human-papillomavirus-hpv-infection-in-female-stem-cell-transplant-survivors-a-longitudinal-study
#5
D Shanis, P Anandi, C Grant, A Bachi, N Vyas, M A Merideth, P A Pophali, E Koklanaris, S Ito, B N Savani, A J Barrett, M Battiwalla, P Stratton
This longitudinal single-center study describes the timing and risk factors for genital human papillomavirus (HPV) disease in women after allogeneic hematopoietic cell transplantation (HCT). Between 1994 and 2014, 109 females underwent HCT of whom 82 surviving transplant for >1 year had regular, comprehensive genital tract assessment and treatment of HPV disease. The cumulative proportions of any genital HPV infection at 1, 3, 5, 10 and 20 years were 4.8%, 14.9%, 28.1%, 36.7% and 40.9%, respectively. Demographic, disease-related factors, chronic GvHD (cGvHD) and its treatment were analyzed for their association with persistent, multifocal or severe genital HPV disease...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29035396/successful-correction-of-familial-hemophagocytic-lymphohistiocytosis-using-prenatal-genetic-testing-and-preemptive-hematopoietic-stem-cell-transplantation
#6
T F Michniacki, J M Mulcahy Levy, R R Quinones, R H Giller
No abstract text is available yet for this article.
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29035394/infusion-of-autograft-natural-killer-cell-cd14-hla-dr-dim-cell-ratio-predicts-survival-in-lymphoma-post-autologous-stem-cell-transplantation
#7
A Kansagra, D J Inwards, S M Ansell, I N Micallef, P B Johnston, W J Hogan, S N Markovic, L F Porrata
The infusion of autograft absolute lymphocyte count (A-ALC) and autograft natural killer cells (A-NKC) are prognostic factors for overall survival (OS) and PFS in non-Hodgkin's lymphoma (NHL) patients undergoing autologous peripheral blood hematopoietic stem cell transplantation (APBHSCT). The human monocytic CD14(+)HLA-DR(DIM) cells are associated with worse prognosis in NHL. Thus, we investigated whether the autograft A-NKC/A-CD14(+)HLA-DR(DIM) ratio predicts survival in NHL. In a total of 111 NHL patients, we analyzed apheresis collection samples for the content of A-NKC and A-CD14(+)HLA-DR(DIM)...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29035393/donor-lymphocyte-infusion-following-haploidentical-hematopoietic-cell-transplantation-with-peripheral-blood-stem-cell-grafts-and-ptcy
#8
S R Goldsmith, M Slade, J F DiPersio, P Westervelt, M A Schroeder, F Gao, R Romee
Donor-lymphocyte infusion (DLI) for relapse following haploidentical hematopoietic cell transplantation (haploHCT) with post-transplant cyclophosphamide (PTCy) has been described in recipients of bone marrow grafts, but not recipients of G-CSF mobilized peripheral blood (PB) grafts. We retrospectively identified patients who underwent DLI following PB-haploHCT with PTCy for relapse, or loss of chimerism (LOC). Twelve patients (57%) received DLI for hematologic relapse/persistent disease, seven (33%) for extramedullary relapse and two (10%) for LOC...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29035392/long-term-outcome-of-mixed-chimerism-after-stem-cell-transplantation-for-thalassemia-major-conditioned-with-busulfan-and-cyclophosphamide
#9
N A Fouzia, E S Edison, K M Lakshmi, A Korula, S R Velayudhan, P Balasubramanian, A Abraham, A Viswabandya, B George, V Mathews, A Srivastava
Mixed chimerism (MC) occurs frequently after allogeneic hematopoietic stem cell transplantation (HSCT) for thalassemia major (TM) and may be associated with rejection. We report the outcome of MC in 132 TM patients conditioned with Busulphan/Cyclophosphamide, who had successful engraftment and had ⩾1 year follow-up. Chimerism was first assessed at day +28, then every 3-9 months or more frequently if there was MC. If rejection was suspected, immunosuppression was stopped and donor-lymphocyte infusion (DLI) was given if there was no response...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29035282/endothelial-transplantation-rejuvenates-aged-hematopoietic-stem-cell-function
#10
Michael G Poulos, Pradeep Ramalingam, Michael C Gutkin, Pierre Llanos, Katherine Gilleran, Sina Y Rabbany, Jason M Butler
Age-related changes in the hematopoietic compartment are primarily attributed to cell-intrinsic alterations in hematopoietic stem cells (HSCs); however, the contribution of the aged microenvironment has not been adequately evaluated. Understanding the role of the bone marrow (BM) microenvironment in supporting HSC function may prove to be beneficial in treating age-related functional hematopoietic decline. Here, we determined that aging of endothelial cells (ECs), a critical component of the BM microenvironment, was sufficient to drive hematopoietic aging phenotypes in young HSCs...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29035281/young-endothelial-cells-revive-aging-blood
#11
Vivian Y Chang, Christina M Termini, John P Chute
The hematopoietic system declines with age, resulting in decreased hematopoietic stem cell (HSC) self-renewal capacity, myeloid skewing, and immune cell depletion. Aging of the hematopoietic system is associated with an increased incidence of myeloid malignancies and a decline in adaptive immunity. Therefore, strategies to rejuvenate the hematopoietic system have important clinical implications. In this issue of the JCI, Poulos and colleagues demonstrate that infusions of bone marrow (BM) endothelial cells (ECs) from young mice promoted HSC self-renewal and restored immune cell content in aged mice...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29034206/leukemia-initiating-cells-in-t-cell-acute-lymphoblastic-leukemia
#12
REVIEW
Shi Hao Tan, Fatima Carla Bertulfo, Takaomi Sanda
T-cell acute lymphoblastic leukemia (T-ALL) is a hematological malignancy characterized by the clonal proliferation of immature T-cell precursors. T-ALL has many similar pathophysiological features to acute myeloid leukemia, which has been extensively studied in the establishment of the cancer stem cell (CSC) theory, but the CSC concept in T-ALL is still debatable. Although leukemia-initiating cells (LICs), which can generate leukemia in a xenograft setting, have been found in both human T-ALL patients and animal models, the nature and origin of LICs are largely unknown...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29032736/coccidioidomycosis-immunoglobulin-deficiency-safety-challenges-with-car-t-cells-therapy-for-relapsed-lymphoma
#13
Umar Zahid, Al-Aman Shaukat, Nida Hassan, Faiz Anwer
Treatment of patients with relapsed or refractory lymphoma may require allogenic hematopoietic stem cell transplant (HSCT), but treatment of post-transplant relapse disease remains very challenging. Donor lymphocyte infusion and blinatumomab have been used with limited success for the treatment of relapse. Initial data on donor-derived CAR T cells has shown this modality to be safe and highly effective in various hematological malignancies. We present a case of a patient with highly refractory, transformed follicular lymphoma who failed both autologous and allogenic HSCT...
October 2017: Immunotherapy
https://www.readbyqxmd.com/read/29032733/car-t-cells-and-allogeneic-hematopoietic-stem-cell-transplantation-for-relapsed-refractory-b-cell-acute-lymphoblastic-leukemia
#14
Jun Liu, Xi Zhang, Jiang F Zhong, Cheng Zhang
Relapsed/refractory acute lymphoblastic leukemia (ALL) has a low remission rate after chemotherapy, a high relapse rate and poor long-term survival even when allogeneic hematopoietic stem cell transplantation (allo-HSCT) is performed. Chimeric antigen receptors redirected T cells (CAR-T cells) can enhance disease remission with a favorable outcome for relapsed/refractory ALL, though some cases quickly relapsed after CAR-T cell treatment. Thus, treatment with CAR-T cells followed by allo-HSCT may be the best way to treat relapsed/refractory ALL...
October 2017: Immunotherapy
https://www.readbyqxmd.com/read/29032731/cytogenetic-risk-stratification-may-predict-allogeneic-hematopoietic-stem-cell-transplantation-outcomes-for-chronic-myelomonocytic-leukemia
#15
Kenji Motohashi, Shin Fujisawa, Noriko Doki, Takeshi Kobayashi, Takehiko Mori, Kensuke Usuki, Masatsugu Tanaka, Shinichiro Fujiwara, Shinichi Kako, Yasuyuki Aoyama, Masahiro Onoda, Shingo Yano, Moritaka Gotoh, Heiwa Kanamori, Satoshi Takahashi, Shinichiro Okamoto
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the only curative treatment for chronic myelomonocytic leukemia (CMML); however, factors predicting allo-HSCT outcomes for CMML have not been well defined. This study assessed whether the existing five scoring systems for CMML prognosis could be applied for predicting allo-HSCT outcomes. We retrospectively evaluated 38 patients who underwent allo-HSCT for CMML from 2000 to 2014. At 3 years, overall survival (OS) and disease-free survival were 34...
October 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29032616/a-survey-on-hematology-oncology-pediatric-aieop-centres-the-challenge-of-posterior-reversible-encephalopathy-syndrome
#16
Daniele Zama, Pietro Gasperini, Massimo Berger, Mariagrazia Petris, Maria D De Pasquale, Simone Cesaro, Maria E Guerzoni, Elena Mastrodicasa, Francesca Savina, Ottavio Ziino, Valentina Kiren, Paola Muggeo, Rosa M Mura, Fraia Melchionda, Giulio A Zanazzo
Posterior reversible encephalopathy syndrome (PRES) is one of the most common neurological complications in hematology-oncology pediatric patients. Despite an increasingly recognized occurrence, no clear consensus exists regarding how best to manage the syndrome, because most cases of PRES have reported in single case reports or small series. Aim of this paper is to identify incidence, clinical features, management and outcome of PRES in a large series of hematology-oncology pediatric patients METHODS: The cases of PRES occurred in twelve centres of the Italian Association of Pediatric Haematology and Oncology were reported RESULTS: 124 cases of PRES in 112 pediatric patients were recorded with an incidence of 2...
October 15, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29032585/infection-surveillance-in-pediatric-hematopoietic-stem-cell-transplantation-recipients
#17
Daniela Caldas Teixeira, Lilian Martins Oliveira Diniz, Paulo Henrique Orlandi Mourão, Fabiana Maria Kakehashi, Antonio Vaz de Macedo, Helena Duani, Wanessa Trindade Clemente, Karla Emília de Sá Rodrigues, Roberta Maia de Castro Romanelli
OBJECTIVE: Describe the profile of reported Healthcare-Associated Infections (HAIs) in pediatric patients submitted to hematopoietic stem cell transplantation (HSCT) at a reference center. METHODS: Retrospective cohort of pediatric patients who were submitted to HSCT from 2008 to 2016. The criteria for HAI were based on those established by the National Healthcare Safety Network. Data were collected by active surveillance performed daily by professionals. This study was approved by the Institutional Research Ethics Committee...
October 15, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29032274/assessment-of-impact-of-human-leukocyte-antigen-hla-type-on-outcomes-of-allogeneic-hematopoietic-stem-cell-transplant-for-chronic-lymphocytic-leukemia-cll
#18
Brian T Hill, Kwang Woo Ahn, Zhen-Huan Hu, Mahmoud Aljurf, Amer Beitinjaneh, Jean-Yves Cahn, Jan Cerny, Mohamed A Kharfan-Dabaja, Siddhartha Ganguly, Nilanjan Ghosh, Michael R Grunwald, Yoshihiro Inamoto, Tamila Kindwall-Keller, Taiga Nishihori, Richard F Olsson, Ayman Saad, Matthew Seftel, Sachiko Seo, Jeffrey Szer, Martin Tallman, Celalettin Ustun, Peter H Wiernik, Richard T Maziarz, Matt Kalaycio, Edwin Alyea, Uday Popat, Ronald Sobecks, Wael Saber
Chronic lymphocytic leukemia (CLL) is a common hematologic malignancy with many highly effective therapies. Chemorefractory disease, often characterized by deletion of chromosome 17p, has historically been associated with very poor outcomes, leading to the application of allogeneic hematopoietic stem cell transplant (allo-HCT) for medically fit patients. Although the use of allo-HCT has reduced since the introduction of novel targeted therapy for the treatment of CLL, there remains significant interest in understanding factors that may influence the efficacy of allo-HCT as it represents the only known curative treatment for CLL...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29032273/torquetenovirus-dynamics-and-immune-marker-properties-in-patients-following-allogeneic-hematopoietic-stem-cell-transplantation-a-prospective-longitudinal-study
#19
Philipp Wohlfarth, Michael Leiner, Christian Schoergenhofer, Georg Hopfinger, Irene Goerzer, Elisabeth Puchhammer-Stoeckl, Werner Rabitsch
BACKGROUND: Torquetenovirus (TTV) has been proposed as a marker of immune function in patients receiving immunosuppression after solid organ transplantation. This study aimed to define TTV plasma dynamics and investigate clinical associations in patients following allogeneic hematopoietic stem cell transplantation (HSCT). METHODS: Single-center prospective longitudinal study involving 50 consecutive patients treated with HSCT between March 2015 and April 2016. TTV plasma DNA levels were measured with quantitative PCR on twelve consecutive timepoints during the first year following HSCT...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29032268/total-marrow-lymphoid-irradiation-fludarabine-melphalan-tfm-conditioning-for-allogeneic-hematopoietic-cell-transplantation-hct
#20
Lindsay G Jensen, Tracey Stiller, Jeffrey Y C Wong, Joycelynne Palmer, Anthony Stein, Joseph Rosenthal
BACKGROUND: Reduced intensity conditioning regimens (RIC) for hematopoietic stem cell transplantation (HCT) can reduce morbidity and mortality, but patients with advanced disease may require alternate approaches. In an initial report of RIC (Fludarabine (FLU) and Melphalan (MEL)) with total-marrow-lymphoid irradiation (TMLI) in HCT for advanced hematological malignancies in 33 patients, we found the addition of TMLI to RIC was feasible and safe. Here we report long-term outcomes for these patients...
October 12, 2017: Biology of Blood and Marrow Transplantation
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