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Graft versus host disease

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https://www.readbyqxmd.com/read/28531813/immunomodulatory-function-of-whole-human-umbilical-cord-derived-mesenchymal-stem-cells
#1
Hao Zhang, Yanling Tao, Haihui Liu, Saisai Ren, Bin Zhang, Hu Chen
Bone marrow derived mesenchymal stem cells (MSCs) play a critical role in immune modulation. However, immunomodulatory function of whole human umbilical cord derived mesenchymal stem cells (UC-MSCs) remains unclear. In this study, UC-MSCs were separated from whole umbilical cord using a single enzyme digestion. UC-MSCs (CD73(+), CD90(+), CD105(+), and CD34(-), CD45(-), HLA-DR(-)) were differentiated into adipocytes, osteocytes and chondrocytes in vitro under specific stimulatory environments. UC-MSCs suppressed umbilical cord blood lymphocyte proliferation stimulated by mitogen, and ELISA showed that the secretion of INF-γ was downregulated, and the secretion of IL-4 was upregulated, with CD8(+) T cells markedly decreased and CD4(+) T cells changed lightly...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28529840/adoptive-cell-therapy-with-tregs-to-improve-transplant-outcomes-the-promise-and-the-stumbling-blocks
#2
Mohamed B Ezzelarab, Angus W Thomson
The contribution of regulatory T cells (Treg) to the induction and maintenance of tolerance is well-recognized in rodents and may contribute to long-term human organ allograft survival. The therapeutic efficacy of adoptively-transferred Treg in promoting tolerance to organ allografts is well-recognized in mouse models. Early phase 1/2 clinical studies of Treg therapy have been conducted in patients with type-1 (autoimmune) diabetes and refractory Crohn's disease, and for inhibition of graft-versus-host disease following bone marrow transplantation with proven safety...
December 2016: Current Transplantation Reports
https://www.readbyqxmd.com/read/28529723/role-of-major-histocompatibility-complex-variation-in-graft-versus-host-disease-after-hematopoietic-cell-transplantation
#3
REVIEW
Effie W Petersdorf
Graft-versus-host disease (GVHD) remains a significant potentially life-threatening complication of allogeneic hematopoietic cell transplantation (HCT). Since the discovery of the human leukocyte antigen (HLA) system over 50 years ago, significant advances have clarified the nature of HLA variation between transplant recipients and donors as a chief etiology of GVHD. New information on coding and non-coding gene variation and GVHD risk provides clinicians with options to consider selected mismatched donors when matched donors are not available...
2017: F1000Research
https://www.readbyqxmd.com/read/28527984/personalized-prognostic-risk-score-for-long-term-survival-for-children-with-acute-leukemia-after-allogeneic-transplant
#4
Menachem Bitan, Kwang Woo Ahn, Heather R Millard, Michael A Pulsipher, Hisham Abdel-Azim, Jeffery J Auletta, Valerie Brown, Ka Wah Chan, Miguel Angel Diaz, Andrew Dietz, Marta González Vincent, Gregory Guilcher, Gregory A Hale, Robert J Hayashi, Amy Keating, Parinda Mehta, Kasiani Myers, Kristin Page, Tim Prestidge, Nirali N Shah, Angela R Smith, Ann Woolfrey, Elizabeth Thiel, Stella M Davies, Mary Eapen
We studied leukemia-free (LFS) and overall survival (OS) in children with acute myeloid (AML; n=790) and acute lymphoblastic leukemia (ALL; n=1096), transplanted between 2000 and 2010, who survived for at least 1 year in remission after related or unrelated donor transplantation. Analysis of patient-, disease- and transplantation characteristics and acute and chronic graft versus host disease (GVHD) were performed to identify factors with adverse effects on LFS and OS. These data were used to develop risk scores for survival...
May 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28527401/prognostic-factors-on-graft-versus-host-disease-free-and-relapse-free-survival-after-allogeneic-hematopoietic-stem-cell-transplantation-for-adults-with-acute-leukemia
#5
Jie Tan, Ya Wang, Si-Jian Yu, Yong-Yong Ma, Hu-Yi Lei, Qi-Fa Liu
The cure of acute leukemia by allogeneic hematopoietic stem cell transplantation (allo-HSCT) is closely linked to major complications leading to adverse outcomes, including graft-versus-host disease (GVHD), disease relapse and death. This study retrospectively investigated a consecutive series of 312 adult patients with acute leukemia receiving allo-HSCT by using a novel concept of GVHD-free/relapse-free survival (GRFS), and further evaluated the impact of clinical factors on GRFS. Results indicated that the 1- and 2-year GRFS were 54...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28526296/mesenchymal-stem-cells-mscs-attenuate-cutaneous-sclerodermatous-graft-versus-host-disease-scl-gvhd-through-inhibition-of-immune-cell-infiltration-in-a-mouse-model
#6
Ji-Young Lim, Da-Bin Ryu, Sung-Eun Lee, Gyeongsin Park, Chang-Ki Min
Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD) model that is characterized by skin thickening and lung fibrosis. A B10.D2 → BALB/c transplant model of Scl-GVHD was used to address the therapeutic effect of mesenchymal stem cells (MSCs) on the development of CGVHD. The clinical and pathological severity of cutaneous Scl-GVHD was significantly attenuated in MSC-treated recipients relative to Scl-GVHD controls. After MSC treatment, skin collagen production was significantly reduced with consistent downregulation of TGF-β expression...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28524885/ocular-surface-analysis-in-hematological-patients-before-and-after-allogeneic-hematopoietic-stem-cell-transplantation-implication-for-daily-clinical-practice
#7
G Giannaccare, F Bonifazi, M Sessa, E Dan, M Arpinati, M Fresina, G Bandini, M Cavo, P Versura, E C Campos
PurposeTo evaluate ocular surface parameters before and after hematopoietic stem cell transplantation (HSCT) and to correlate them with clinical and transplant variables.MethodsThis is a retrospective analysis of data from 93 patients affected by hematological malignancies undergoing HSCT. Values from Ocular Surface Disease Index, Schirmer test, Break-up Time, ocular surface staining, and Meibomian Gland Dysfunction score obtained before HSCT and 3-6 months after were retrieved from charts. Diagnosis and staging of dry eye (DE) disease was performed according to Dry Eye WorkShop criteria...
May 19, 2017: Eye
https://www.readbyqxmd.com/read/28524827/impact-of-human-leukocyte-antigen-loci-and-haplotypes-on-intestinal-acute-graft-versus-host-disease-after-human-leukocyte-antigen-matched-sibling-peripheral-blood-stem-cell-transplantation
#8
Fa-Hong Yan, Mei Wang, Jian-Feng Yao, Er-Lie Jiang, Ming-Zhe Han
BACKGROUND: Acute graft-versus-host disease (aGVHD) is a common and severe complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Some studies have found that the presence of certain specific human leukocyte antigen (HLA) loci could affect the occurrence of aGVHD. Meanwhile, the impact of HLA haplotypes on aGVHD has been rarely studied. This study aimed to investigate the effects of HLA loci and haplotypes on intestinal aGVHD. METHODS: Totally, 345 consecutive patients undergoing first HLA-matched sibling peripheral blood stem cell transplantation (PBSCT) from February 2004 to June 2013 at Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, were enrolled in this study...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28516971/salivary-biomarkers-and-proteomics-future-diagnostic-and-clinical-utilities
#9
M Castagnola, E Scarano, G C Passali, I Messana, T Cabras, F Iavarone, G Di Cintio, A Fiorita, E De Corso, G Paludetti
Saliva testing is a non-invasive and inexpensive test that can serve as a source of information useful for diagnosis of disease. As we enter the era of genomic technologies and -omic research, collection of saliva has increased. Recent proteomic platforms have analysed the human salivary proteome and characterised about 3000 differentially expressed proteins and peptides: in saliva, more than 90% of proteins in weight are derived from the secretion of three couples of "major" glands; all the other components are derived from minor glands, gingival crevicular fluid, mucosal exudates and oral microflora...
April 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28515365/ceramide-synthesis-regulates-t-cell-activity-and-gvhd-development
#10
M Hanief Sofi, Jessica Heinrichs, Mohammed Dany, Hung Nguyen, Min Dai, David Bastian, Steven Schutt, Yongxia Wu, Anusara Daenthanasanmak, Salih Gencer, Aleksandra Zivkovic, Zdzislaw Szulc, Holger Stark, Chen Liu, Ying-Jun Chang, Besim Ogretmen, Xue-Zhong Yu
Allogeneic hematopoietic cell transplantation (allo-HCT) is an effective immunotherapy for a variety of hematologic malignances, yet its efficacy is impeded by the development of graft-versus-host disease (GVHD). GVHD is characterized by activation, expansion, cytokine production, and migration of alloreactive donor T cells. Hence, strategies to limit GVHD are highly desirable. Ceramides are known to contribute to inflammation and autoimmunity. However, their involvement in T-cell responses to alloantigens is undefined...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28511686/intrathymic-injection-of-hematopoietic-progenitor-cells-establishes-functional-t-cell-development-in-a-mouse-model-of-severe-combined-immunodeficiency
#11
Andrea Z Tuckett, Raymond H Thornton, Richard J O'Reilly, Marcel R M van den Brink, Johannes L Zakrzewski
BACKGROUND: Even though hematopoietic stem cell transplantation can be curative in patients with severe combined immunodeficiency, there is a need for additional strategies boosting T cell immunity in individuals suffering from genetic disorders of lymphoid development. Here we show that image-guided intrathymic injection of hematopoietic stem and progenitor cells in NOD-scid IL2rγ(null) mice is feasible and facilitates the generation of functional T cells conferring protective immunity...
May 16, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28510343/no-effect-of-hla-c-mismatch-after-allogeneic-hematopoietic-stem-cell-transplantation-with-unrelated-donors-and-t-cell-depletion-in-patients-with-hematological-malignancies
#12
I Magalhaes, M Uhlin, M Schaffer, M Sundin, D Hauzenberger, M Remberger, J Mattsson
HLA-C mismatch in unrelated donors hematopoeitic stem cell transplantation (HSCT) has been associated with poor patient outcome. However, the impact of HLA-C mismatch in the context of HSCT combined with in vivo T-cell depletion remains unclear. We therefore performed a single-center, retrospective analysis of the clinical outcome on patients with hematological malignancies treated with allo-HSCT, who underwent T-cell depletion. The majority of the patients (n=276) received a HLA-A, -B, -DRB1 matched graft that were either also HLA-C matched (n=260), or patients with the permissive HLA-C*03:03/03:04 mismatch (n=16), while the remaining patients (n=95) received a HLA-C mismatched graft (excluding HLA-C*03:03/03:04 mismatches)...
May 16, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28506782/the-misleading-effect-of-serum-galactomannan-testing-in-high-risk-hematology-patients-receiving-prophylaxis-with-micafungin
#13
A Vena, E Bouza, A Álvarez-Uría, J Gayoso, P Martin-Rabadan, F Cajuste, J Guinea, J Gómez Castellá, R Alonso, P Munoz
OBJECTIVES: To investigate the performance of the routine serum galactomannan (sGM) assay in the diagnosis of invasive aspergillosis (IA) in high-risk hematology patients receiving prophylaxis with micafungin. METHODS: Retrospective study including all hematological patients who received prophylaxis with micafungin during high-risk IA episodes (neutropenic patients after chemotherapy for acute myeloid leukaemia/myelodysplastic syndrome; allogeneic HSCT during early neutropenic phase or graft-versus-host disease requiring high prednisone doses)...
May 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#14
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28504665/upper-gi-gvhd-similar-outcomes-to-other-grade-ii-graft-versus-host-disease
#15
R S Mehta, Q Cao, S Holtan, M L MacMillan, D J Weisdorf
The significance of upper gastrointestinal tract (UGI) acute GVHD (aGVHD) compared with other grade II aGVHD is not clearly defined. We compared the outcomes of patients with grade II aGVHD with or without biopsy-proven UGI involvement in three groups: grade II aGVHD without UGI (n=178), grade II aGVHD with UGI and other sites (n=102) and isolated UGI aGVHD (n=32). The overall response (ORR) to steroids at day 28 differed among the three groups (76, 67 and 91%, respectively, P=0.01), but was only marginally different in direct comparison with those without or with UGI aGVHD (P=0...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28504461/ocular-and-nasal-symptoms-prior-to-acute-skin-graft-versus-host-disease
#16
Ikuko Fujihara, Ryu Yanagisawa, Ririko Sato, Noritaka Kitazawa, Kazuo Sakashita
No abstract text is available yet for this article.
May 15, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28503642/vulvar-and-vaginal-graft-versus-host-disease-a-healthcare-clinic-initiative
#17
Naomi Van Dam, Revital Zelker, Ruth Radiano, Ilana Kadmon, Bella Bogorochin, Yevgeni Frank-Kamenetsky
OBJECTIVE: In patients receiving bone marrow transplantation (BMT), their mucosa becomes altered and sclerotic changes in the female external genital organs occur. Although a few studies have specifically addressed vulvar and vaginal graft versus host disease (VVGvHD) and its repercussions on the sexual health and quality of life of patients, VVGvHD can be overlooked by health practitioners. The objective of the study is to describe the initiation of a health care clinic specializing in VVGvHD in a general tertiary hospital...
April 2017: Asia-Pacific Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28499937/haploidentical-allogeneic-hematopoietic-cell-transplantation-for-multiple-myeloma-using-post-transplant-cyclophosphamide-gvhd-prophylaxis
#18
Luca Castagna, Alberto Mussetti, Raynier Devillier, Alida Dominietto, Magda Marcatti, Giuseppe Milone, Francesco Maura, Chiara de Philippis, Benedetto Bruno, Sabine Furst, Didier Blaise, Paolo Corradini, Vittorio Montefusco
Allogeneic Hematopoietic Cell Transplantation (allo-HCT) currently represents the only potentially curative therapy for patients affected by multiple myeloma (MM). Up to 30% of patients in western countries do not have a matched donor. Haploidentical HCT (haplo-HCT) may be an option, but currently, there is are available data regarding this treatment. We analyzed survival outcomes of 30 heavily pretreated MM patients who received haplo-HCT with post-transplant cyclophosphamide (PT-Cy) as graft-versus-host-disease (GVHD) prophylaxis...
May 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28499936/ucbt-without-antithymocyte-globulin-results-in-similar-survival-but-better-quality-of-life-compared-with-upbsct-for-the-treatment-of-acute-leukemia-a-retrospective-study-in-china
#19
J Tong, L Xuan, Y L Sun, D P Huang, H L Liu, C C Zheng, X Y Zhu, B L Tang, K D Song, X H Zhang, L Zhang, W Yao, D J Lin, Q F Liu, Z M Sun
While previous studies have demonstrated improved outcomes in umbilical cord blood transplantation (UCBT) by omitting antithymocyte globulin (ATG) in the conditioning regimen, this approach has not been comparatively studied in unrelated peripheral blood stem cell transplantation (UPBSCT). To compare the risks and benefits between UCBT without ATG and UPBSCT in patients with acute leukemia (AL). This was a multicenter retrospective study of 79 patients who underwent UCBT (myeloablative conditioning without ATG) and 96 patients who underwent UPBSCT (myeloablative conditioning with ATG)...
May 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28498033/development-and-characterization-of-novel-monoclonal-antibodies-against-human-dnam-1
#20
Genki Okumura, Fumie Abe, Rei Hirochika, Akira Shibuya, Kazuko Shibuya
DNAM-1 (CD226) is an activating immunoreceptor expressed on lymphocytes and myeloid cells. CD155 and CD112 are the ligands for DNAM-1. DNAM-1 plays an important role in tumor immunity mediated by CD8(+) T cells and NK cells. Moreover, the interaction of DNAM-1 with the ligands contributed to the development of acute graft versus host disease (GVHD) and treatment with anti-DNAM-1 monoclonal antibodies (mAb) dramatically improved acute GVHD in a mouse model, suggesting that DNAM-1 may be a good molecular target for therapy to acute GVHD in human...
May 12, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
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