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Hematopoietic stem cell transplant

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https://www.readbyqxmd.com/read/29218029/microvascular-complications-in-type-1-diabetes-a-comparative-analysis-of-patients-treated-with-autologous-nonmyeloablative-hematopoietic-stem-cell-transplantation-and-conventional-medical-therapy
#1
Jaquellyne G Penaforte-Saboia, Renan M Montenegro, Carlos E Couri, Livia A Batista, Ana Paula D R Montenegro, Virginia O Fernandes, Hussain Akhtar, Carlos A Negrato, Kelen Cristina Ribeiro Malmegrim, Daniela Aparecida Moraes, Juliana B E Dias, Belinda P Simões, Marilia Brito Gomes, Maria Carolina Oliveira
Objective: To explore the impact on microvascular complications, long-term preservation of residual B-cell function and glycemic control of patients with type 1 diabetes treated with autologous nonmyeloablative hematopoietic stem-cell transplantation (AHST) compared with conventional medical therapy (CT). Research design and methods: Cross-sectional data of patients treated with AHST were compared with patients who received conventional therapy from the Brazilian Type 1 Diabetes Study Group, the largest multicenter observational study in type 1 diabetes mellitus in Brazil...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29217887/renal-complications-of-hematopoietic-stem-cell-transplantation-report-of-a-case-and-review-of-the-literature
#2
E Liquete, S R Williamson, N Janakiraman, K K Venkat
We report the development of minimal change disease superimposed on preexisting chronic kidney disease secondary to chronic calcineurin inhibitor nephrotoxicity in a hematopoietic stem cell transplantation (HSCT) recipient and review the renal complications of HSCT.
November 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/29217821/il-11-promotes-the-treatment-efficacy-of-hematopoietic-stem-cell-transplant-therapy-in-aplastic-anemia-model-mice-through-a-nf-%C3%AE%C2%BAb-microrna-204-thrombopoietin-regulatory-axis
#3
Yan Wang, Zhi-Yun Niu, Yu-Jie Guo, Li-Hua Wang, Feng-Ru Lin, Jing-Yu Zhang
Hematopoietic stem cell (HSC) transplantation could be of therapeutic value for aplastic anemia (AA) patients, and immunosuppressants may facilitate the efficiency of the procedure. As anti-inflammatory cytokine interleukin-11 (IL-11) has a thrombopoietic effect, its use in cases of chronic bone marrow failure, such as AA, has been proposed to induce HSC function. However, the putative mechanisms that may support this process remain poorly defined. We found that decreased miR-204-5p levels were coincident with increased proliferation in mouse HSCs following exposure to IL-11 in vitro...
December 8, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29217388/impact-of-cytomegalovirus-cmv-viral-load-on-probability-of-spontaneous-clearance-and-response-to-pre-emptive-therapy-in-allogeneic-stem-cell-transplant-recipients
#4
Jose F Camargo, Erik Kimble, Rossana Rosa, Luis A Shimose, Maria X Bueno, Nikeshan Jeyakumar, Michele I Morris, Lilian M Abbo, Jacques Simkins, Maritza C Alencar, Cara Benjamin, Eric Wieder, Antonio Jimenez, Amer Beitinjaneh, Mark Goodman, John J Byrnes, Lazaros J Lekakis, Denise Pereira, Krishna V Komanduri
The optimal viral load threshold to initiate pre-emptive cytomegalovirus (CMV) therapy in hematopoietic cell transplant (HCT) recipients remains to be defined. In an effort to address this question we conducted a retrospective study of 174 allogeneic HCT recipients transplanted at a single center between August 2012 and April 2016. During this period, pre-emptive therapy started at the discretion of the treating clinician. 109 (63%) patients developed CMV viremia. Median time to reactivation was 17 (IQR, 7-30) days post-HCT...
December 4, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29215832/-activation-of-regeneration-of-red-and-white-pulp-of-the-spleen-after-the-combined-transplantation-of-hsc-and-mscs-in-terms-of-exposure-to-ionizing-radiation
#5
I Yu Maklakova, D Yu Grebnev, A P Yastrebov
The purpose of this work was to study the effect of combined transplantation of multipotent mesenchymal stromal (MSCS) and hematopoietic stem cells (HSCs) isolated from the placenta, on the regeneration of white and red pulp of the spleen under physiological conditions and in conditions of exposure to ionizing radiation. Methods. The experiments were performed with laboratory mice-males. We studied the influence of ionizing radiation dose of 4.0 Gy. Animals of the experimental group were intravenously infused into MMSC and GSK respectively at a dose of 6 million cells/kg and 330 thousand cells/kg, suspended in 0...
April 2017: Patologicheskaia Fiziologiia i èksperimental'naia Terapiia
https://www.readbyqxmd.com/read/29213274/natural-killer-cells-in-antifungal-immunity
#6
REVIEW
Stanislaw Schmidt, Lars Tramsen, Thomas Lehrnbecher
Invasive fungal infections are still an important cause of morbidity and mortality in immunocompromised patients such as patients suffering from hematological malignancies or patients undergoing hematopoietic stem cell transplantion. In addition, other populations such as human immunodeficiency virus-patients are at higher risk for invasive fungal infection. Despite the availability of new antifungal compounds and better supportive care measures, the fatality rate of invasive fungal infection remained unacceptably high...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29212977/-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia-complicated-by-concomitant-achromobacter-xylosoxidans-and-corynebacterium-striatum-bacteremia-following-allogeneic-hematopoietic-stem-cell-transplantation
#7
Yuta Katayama, Kouhei Kyo, Koji Iwato, Takeshi Okatani, Ryota Imanaka, Mitsuhiro Itagaki, Shinya Katsutani, Hideki Asaoku
A 54-year-old woman with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ALL) underwent hematopoietic stem cell transplantation from an HLA-matched sibling. Subsequently, she suffered from chronic graft versus host disease (GvHD) and received medical treatment. Fever developed on day 697 and resulted in a shock state at 10 h after the visit. Achromobacter xylosoxidans was detected in the initial blood culture on day 699. General conditions exacerbated even after the start of meropenem hydrate (MEPM, Meropen®) administration, with Corynebacterium striatum detected as an additional species in the initial blood culture on day 701...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29212972/-lenalidomide-and-low-dose-dexamethasone-therapy-for-japanese-patients-with-newly-diagnosed-multiple-myeloma-updated-results-of-the-mm-025-study
#8
Kiyoshi Ando, Takaaki Chou, Kenshi Suzuki, Atsushi Shinagawa, Toshiki Uchida, Masafumi Taniwaki, Hirokazu Hirata, Kenichi Ishizawa, Kosei Matsue, Shinichiro Okamoto, Maki Otsuka, Morio Matsumoto, Shinsuke Iida, Itaru Matsumura, Takashi Ikeda, Naoki Takezako, Yumi Ogaki, Shuichi Midorikawa, Vanessa Houck, Annette Ervin-Haynes, Yasuhito Terui
In a Japanese phase II study (MM-025), the efficacy and safety of lenalidomide plus low-dose dexamethasone (Rd) were confirmed at a median follow-up of 14.2 months in patients with newly diagnosed multiple myeloma who were ineligible for hematopoietic stem cell transplantation. In the present report, we analyzed the follow-up data from the abovementioned study. Treatment was stopped for all 26 patients after a median follow-up of 31.3 months, and the median treatment duration was approximately 25 months. The overall response rate was 87...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29212937/experimental-adaptive-evolution-of-sivcpz-to-pandemic-hiv-1-using-a-humanized-mouse-model
#9
Kei Sato, Naoko Misawa, Junko S Takeuchi, Tomoko Kobayashi, Taisuke Izumi, Hirofumi Aso, Shumpei Nagaoka, Keisuke Yamamoto, Izumi Kimura, Yoriyuki Konno, Yusuke Nakano, Yoshio Koyanagi
HIV-1, the causative agent of AIDS, is originated from SIVcpz, the chimpanzee precursor of the human virus, approximately 100 years ago. This indicates that HIV-1 has emerged through the cross-species transmission of SIVcpz from chimpanzees to humans. However, it remains unclear how SIVcpz has evolved into pandemic HIV-1 in humans. To address this question, we inoculated three SIVcpz (MB897, EK505, and MT145), four pandemic HIV-1 (NL4-3, NLCSFV3, JRCSF and AD8) and 2 non-pandemic HIV-1 (YBF30 and DJO0131) strains...
December 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29212733/successful-ovarian-stimulation-for-fertility-preservation-in-a-patient-with-chronic-myeloid-leukemia-switch-from-nilotinib-to-interferon-%C3%AE
#10
Smaranda Gazdaru, Lucien Perey, Anne Rosselet, Patrice Mathevet, Yves Chalandon, Nicolas Vulliemoz
The development of tyrosine-kinase inhibitors (TKIs) has improved survival of patients with chronic myeloid leukemia (CML). Some patients may become resistant to TKIs and require hematopoietic stem cell transplant (HSCT) that is highly gonadotoxic. Fertility preservation with ovarian stimulation might be indicated but is challenging if patients need to remain on TKIs until HSCT because TKIs may compromise follicular development and response to ovarian stimulation. We report the case of a patient with CML resistant to TKI and planned for an HSCT, in which treatment by TKI was replaced by interferon-α before and during ovarian stimulation for fertility preservation...
December 6, 2017: Oncologist
https://www.readbyqxmd.com/read/29212046/hematopoietic-defects-in-response-to-reduced-arhgap21
#11
Juliana Xavier-Ferrucio, Lauremília Ricon, Karla Vieira, Ana Leda Longhini, Mariana Lazarini, Carolina Louzão Bigarella, Gilberto Franchi, Diane S Krause, Sara T O Saad
Arhgap21 is a member of the Rho GTPase activating protein (RhoGAP) family, which function as negative regulators of Rho GTPases. Arhgap21 has been implicated in adhesion and migration of cancer cells. However, the role of Arhgap21 has never been investigated in hematopoietic cells. Herein, we evaluated functional aspects of hematopoietic stem and progenitor cells (HSPC) using a haploinsufficient (Arhgap21+/-) mouse. Our results show that Arhgap21+/- mice have an increased frequency of phenotypic HSC, impaired ability to form progenitor colonies in vitro and decreased hematopoietic engraftment in vivo, along with a decrease in LSK cell frequency during serial bone marrow transplantation...
November 23, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29209333/inhibition-of-acute-graft-versus-host-disease-with-retention-of-graft-versus-tumor-effects-by-dimethyl-fumarate
#12
Jingjing Han, Shoubao Ma, Huanle Gong, Shuangzhu Liu, Lei Lei, Bo Hu, Yang Xu, Haiyan Liu, Depei Wu
Acute graft-versus-host disease (aGVHD) remains a clinical challenge and a major source of morbidity and mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT). Dimethyl fumarate (DMF), an activator of Nrf2, has been shown to have anti-inflammatory and immunomodulatory properties without significant immunosuppression. We therefore hypothesized that DMF could be potentially harnessed for the treatment of aGVHD with retention of graft-versus-tumor effect. In this study, we showed that DMF significantly inhibited alloreactive T cell responses in vitro in mixed lymphocyte reaction assay...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29207952/economic-burden-of-preemptive-treatment-of-cmv-infection-after-allogeneic-stem-cell-transplantation-a-retrospective-study-of-208-consecutive-patients
#13
Christine Robin, François Hémery, Christel Dindorf, Julien Thillard, Ludovic Cabanne, Rabah Redjoul, Florence Beckerich, Christophe Rodriguez, Cécile Pautas, Andrea Toma, Sébastien Maury, Isabelle Durand-Zaleski, Catherine Cordonnier
BACKGROUND: Cytomegalovirus (CMV) infection and disease (CMV episodes) are global concerns after allogeneic hematopoietic stem cell transplantation (HSCT). They affect survival, both by direct and indirect effects. Due to safety issues of current anti-CMV antivirals, long-term CMV prophylaxis is poorly tolerated and the most common strategy to decrease the incidence of CMV disease is preemptive. New, less toxic, molecules are currently being assessed for CMV prophylaxis which should replace or considerably decrease the preemptive approach...
December 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29207938/characterization-of-collaborative-practice-agreements-held-by-hematopoietic-stem-cell-transplant-pharmacists
#14
Amy Bryk, Susannah Koontz, JoAl Mayor, Jeffrey Betcher, Rebecca Tombleson, Ryan Bookout, Ila M Saunders
Background Current workforce shortages within the hematopoietic stem cell transplant field necessitate capitalizing on the role of oncology-trained pharmacists. Working within an agreed-upon protocol, pharmacists are able to expand patient care delivery through optimal medication therapy management. Methods An electronic survey was developed by the Advocacy & Policy Working Committee of the American Society for Blood and Marrow Transplantation Pharmacy Special Interest Group and distributed to pharmacists involved in the care of hematopoietic stem cell transplant patients...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29207936/fatal-graft-versus-host-disease-after-allogeneic-stem-cell-transplantation-in-a-patient-recently-exposed-to-nivolumab
#15
Ana Jiménez-Ubieto, Antonia Rodriguez, Pilar Martinez Sánchez, Adolfo Gómez, Yolanda Rodriguez, Gonzalo Carreño-Tarragona, Joaquín Martinez-López, Carlos Grande
Allogeneic hematopoietic stem cell transplantation and checkpoint blockade therapy are immune-based salvage therapies for Hodgkin's lymphoma; however, the use of programmed death 1 blocking agents in the allogeneic stem cell transplantation setting could augment the incidence of steroid refractory graft-versus-host disease. Few studies suggest that that nivolumab is safe in patients previously treated with an allogeneic stem cell transplantation. Likewise, there are very limited data on the use of nivolumab before allogeneic stem cell transplantation...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29207608/gsta1-diplotypes-affect-busulfan-clearance-and-toxicity-in-children-undergoing-allogeneic-hematopoietic-stem-cell-transplantation-a-multicenter-study
#16
Marc Ansari, Patricia Huezo-Diaz Curtis, Chakradhara Rao S Uppugunduri, Mohammed Aziz Rezgui, Tiago Nava, Vid Mlakar, Laurence Lesne, Yves Théoret, Yves Chalandon, Lee L Dupuis, Tao Schechter, Imke H Bartelink, Jaap J Boelens, Robbert Bredius, Jean-Hugues Dalle, Saba Azarnoush, Petr Sedlacek, Victor Lewis, Martin Champagne, Christina Peters, Henrique Bittencourt, Maja Krajinovic
Busulfan (BU) dose adjustment following therapeutic drug monitoring contributes to better outcome of hematopoietic stem cell transplantation (HSCT). Further improvement could be achieved through genotype-guided BU dose adjustments. To investigate this aspect, polymorphism within glutathione S transferase genes were assessed. Particularly, promoter haplotypes of the glutathione S transferase A1 (GSTA1) were evaluated in vitro, with reporter gene assays and clinically, in a pediatric multi-center study (N =138) through association with BU pharmacokinetics (PK) and clinical outcomes...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29204910/who-is-the-patient-at-risk-of-cmv-recurrence-a-review-of-the-current-scientific-evidence-with-a-focus-on-hematopoietic-cell-transplantation
#17
REVIEW
Jan Styczynski
Cytomegalovirus (CMV) is an agent of global infection, and its acquisition in a population is characterized by an age-dependent rise in seropositivity. After primary infection, CMV remains in the host cells in latent form, and it can reactivate in the case of immune suppression. The risk of CMV recurrence is dependent on the level of incompetency of the immune system, manifested as an impairment of T-cell immunity, including the presence and function of CMV-specific cytotoxic T lymphocytes. This article presents data on the incidence of CMV recurrence in groups of immunocompromised patients, including allogeneic hematopoietic stem cell transplantation (HSCT) patients and other groups of patients, based on a summary of reported data...
December 4, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29203252/occurrence-and-improvement-of-renal-dysfunction-and-serum-potassium-abnormality-during-administration-of-liposomal-amphotericin-b-in-patients-with-hematological-disorders-a-retrospective-analysis
#18
Hiroyuki Yamazaki, Tadakazu Kondo, Kazunai Aoki, Kouhei Yamashita, Akifumi Takaori-Kondo
Liposomal amphotericin B (L-AMB) has the potential to cause two major adverse events, renal dysfunction and serum potassium abnormality; however, appropriate clinical management of these events remains unclear. We retrospectively analyzed data regarding 128 hematology patients who received L-AMB in our institute and examined the association between clinical characteristics and renal dysfunction or serum potassium abnormality. We found that the median weight-normalized dose of L-AMB was 2.69mg/kg and the median administration period was 16days...
November 7, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29200163/therapy-related-acute-myeloid-leukemia-after-the-treatment-of-primary-solid-cancer-in-children-a-single-center-experience
#19
Kyung Taek Hong, Jung Yoon Choi, Che Ry Hong, Hyoung Jin Kang, Kyung Duk Park, Hee Young Shin
Therapy-related acute myeloid leukemia (t-AML) has a dismal prognosis and is one of the most frequent second malignant neoplasms which could be encountered by pediatric oncologists. Between October 2000 and September 2016, 16 patients who had primary solid tumors were diagnosed with t-AML at the Seoul National University Children's Hospital. The median patient age at the time of diagnosis of their primary solid tumors was 9.6 years (range, 0.1 to 15.4 y), and that of t-AML was 14.0 years (range, 4.7 to 23...
December 1, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29199482/low-dose-anti-thymocyte-globulin-reduces-chronic-graft-versus-host-disease-incidence-rates-after-matched-unrelated-donor-transplantation
#20
Anand Tandra, Fahrettin Covut, Brenda Cooper, Richard Creger, Lauren Brister, Bernadette McQuigg, Paolo Caimi, Ehsan Malek, Ben Tomlinson, Hillard M Lazarus, Folashade Otegbeye, Merle Kolk, Marcos de Lima, Leland Metheny
Anti-thymocyte globulin (ATG) is often added to hematopoietic stem cell transplant conditioning regimens to prevent graft rejection and reduce graft-versus-host disease (GVHD). Doses used in retrospective and prospective clinical trials have ranged from 2.5 to 20 mg/kg with rates of grade II-IV acute GVHD and chronic GVHD up to 40 and 60%, respectively. We retrospectively compared outcomes in recipients of matched unrelated donor (MUD) grafts given low dose rabbit ATG IV 3 mg/kg (n = 52) versus recipients of matched related donor (MRD) grafts (n = 48) without ATG...
December 4, 2017: Leukemia & Lymphoma
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