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https://www.readbyqxmd.com/read/28109140/-transplantation-of-bone-marrow-mesenchymal-stem-cell-improves-antioxidant-capacity-and-immune-activity-of-aging-model-rats
#1
Zhihong Wang, Yun Lin, Weimin Chen, Jin Shang, Tiannan Wei
Objective To investigate the impact of bone marrow mesenchymal stem cell (BMSC) transplantation on the antioxidant capacity and immune activity of aging rats induced by D-galactose. Methods Ten healthy male SD rats served as a control group (aged 2 months). To establish aging models, healthy SD rats were daily injected subcutaneously with D-galactose (400 mg/kg). Then the aging model rats were randomized into aging model group and BMSC group (ten rats in each group). The BMSC group was injected with 3×10(6) BMSCs via tail vein...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28108624/inflammatory-molecule-psgl-1-deficiency-activates-macrophages-to-promote-colorectal-cancer-growth-through-nf-kappab-signaling
#2
Jiangchao Li, Zeqi Zhou, Xiaohan Zhang, Li Zheng, Dan He, Yuxiang Ye, Qian-Qian Zhang, Cui-Ling Qi, Xiao-Dong He, Chen Yu, Chun-Kui Shao, Liang Qiao, Lijing Wang
: P-selectin glycoprotein ligand 1 (SELPLG/PSGL-1) is an inflammatory molecule that is functionally related to immune cell differentiation and leukocyte mobilization. However, the role of PSGL-1 in tumor development remains unknown. Therefore, this study investigates the mechanistic role of PSGL-1 in the development of intestinal tumors in colorectal cancer (CRC). ApcMin/+ mice, are highly susceptible to spontaneous intestinal adenoma formation, and were crossbred with PSGL1-null mice to generate compound transgenic mice with a ApcMin/+;PSGL-1-/- genotype...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108472/relapsed-acute-promyelocytic-leukemia-lacks-classic-leukemic-promyelocyte-morphology-and-can-create-diagnostic-challenges
#3
Vanessa J Dayton, Robert W McKenna, Sophia L Yohe, Michelle M Dolan, Elizabeth Courville, Harold Alvarez, Michael A Linden
OBJECTIVES: Although current therapies for acute promyelocytic leukemia (APL), such as all-trans retinoic acid and arsenic trioxide, usually result in remission, some patients relapse. Early recognition of relapse is critical for prompt intervention. In this study, we systematically reviewed morphologic, immunophenotypic, and cytogenetic findings in paired diagnostic and relapsed APL cases and describe and quantify the changes in blast morphology at relapse. METHODS: By electronic database search, we identified eight paired diagnostic and relapsed APL cases for which peripheral blood or bone marrow smears were available for review...
January 20, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28108471/prognostic-significance-of-residual-acute-myeloid-leukemia-in-bone-marrow-samples-taken-prior-to-allogeneic-hematopoietic-cell-transplantation
#4
Alexandra E Kovach, Andrew M Brunner, Amir T Fathi, Yi-Bin Chen, Robert P Hasserjian
OBJECTIVES: We sought to identify features in routine evaluation of pre-hematopoietic cell transplantation (HCT) bone marrow samples from patients with acute myeloid leukemia (AML) that influenced patient outcome. METHODS: Of 140 patients, evidence of residual leukemia (RL) was identified in 38 (27%) of pre-HCT samples, as defined by 5% or more aspirate blasts, increased blood blasts, clustered or necrotic blasts on biopsy specimens, and/or leukemia-associated karyotypic abnormalities...
January 20, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28107808/in-situ-release-of-vegf-enhances-osteogenesis-in-3d-porous-scaffolds-engineered-with-osterix-modified-adipose-derived-stem-cells
#5
Wan-Lin Xu, Hui-Shan Ong, Yun Zhu, Sheng-Wen Liu, Li-Min Liu, Kai-Hua Zhou, Zeng-Qi Xu, Jun Gao, Yan Zhang, Jin-Hai Ye, Wen-Jun Yang
Adipose-derived stem cells (ADSCs) can differentiate into various cell types and thus have great potential for regenerative medicine. Herein, rat ADSCs were isolated; transduced with lentiviruses expressing Osterix (Osx), a transcriptional factor essential for osteogenesis. Osx overexpression up-regulated key osteogenesis-related genes, such as special AT-rich binding protein 2, alkaline phosphatase, osteocalcin and osteopontin, at both the mRNA and protein levels. In addition, mineral nodule formation and alkaline phosphatase activity were enhanced in Osx-overexpressing ADSCs...
January 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28107664/safety-and-efficacy-of-cardiopoietic-stem-cells-in-the-treatment-of-post-infarction-left-ventricular-dysfunction-from-cardioprotection-to-functional-repair-in-a-translational-pig-infarction-model
#6
Maximilian Y Emmert, Petra Wolint, Andras Jakab, Sean P Sheehy, Francesco S Pasqualini, Thi Dan Linh Nguyen, Monika Hilbe, Burkhardt Seifert, Benedikt Weber, Chad E Brokopp, Dominika Macejovska, Etem Caliskan, Arnold von Eckardstein, Ruth Schwartlander, Viola Vogel, Volkmar Falk, Kevin Kit Parker, Mariann Gyöngyösi, Simon P Hoerstrup
To date, clinical success of cardiac cell-therapies remains limited. To enhance the cardioreparative properties of stem cells, the concept of lineage-specification through cardiopoietic-guidance has been recently suggested. However, so far, only results from murine studies and from a clinical pilot-trial in chronic heart-failure (CHF) are available, while systematic evidence of its therapeutic-efficacy is still lacking. Importantly, also no data from large animals or for other indications are available. Therefore, we here investigate the therapeutic-efficacy of human cardiopoietic stem cells in the treatment of post-infarction LV-dysfunction using a translational pig-model...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28107610/tonsil-derived-mesenchymal-stem-cells-t-mscs-prevent-th17-mediated-autoimmune-response-via-regulation-of-the-programmed-death-1-programmed-death-ligand-1-pd-1-pd-l1-pathway
#7
Ji-Yon Kim, Minhwa Park, Yu-Hee Kim, Kyung-Ha Ryu, Kyung Ho Lee, Kyung-Ah Cho, So-Youn Woo
Our knowledge of the immunomodulatory role of mesenchymal stem cells (MSCs) in both the innate and adaptive immune systems has dramatically expanded, providing great promise for treating various autoimmune diseases. However, the contribution of MSCs to Th17 dominant immune disease, such as psoriasis and its underlying mechanism remains elusive. In this study, we demonstrated that human palatine tonsil-derived MSCs (T-MSCs) constitutively express both the membrane-bound and soluble forms of programmed death-ligand 1 (PD-L1), which enables T-MSCs to be distinguished from MSCs originating from other organs (i...
January 20, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28106077/mesenchymal-stem-cell-transplantation-in-tight-skin-mice-identifies-mir-151-5p-as-a-therapeutic-target-for-systemic-sclerosis
#8
Chider Chen, Dandan Wang, Alireza Moshaverinia, Dawei Liu, Xiaoxing Kou, Wenjing Yu, Ruili Yang, Lingyun Sun, Songtao Shi
Systemic sclerosis (SSc), an autoimmune disease, may cause significant osteopenia due to activation of the IL4Rα/mTOR pathway. Mesenchymal stem cell transplantation (MSCT) can ameliorate immune disorders in SSc via inducing immune tolerance. However, it is unknown whether MSCT rescues osteopenia phenotype in SSc. Here we show that MSCT can effectively ameliorate osteopenia in SSc mice by rescuing impaired lineage differentiation of the recipient bone marrow MSCs. Mechanistically, we show that donor MSCs transfer miR-151-5p to the recipient bone marrow MSCs in SSc mice to inhibit IL4Rα expression, thus downregulating mTOR pathway activation to enhance osteogenic differentiation and reduce adipogenic differentiation...
January 20, 2017: Cell Research
https://www.readbyqxmd.com/read/28105979/human-dental-pulp-stem-cells-are-more-effective-than-human-bone-marrow-derived-mesenchymal-stem-cells-in-cerebral-ischemic-injury
#9
Miyeoun Song, Jae-Hyung Lee, Jinhyun Bae, Youngmin Bu, Eun-Cheol Kim
We compared the therapeutic effects and mechanism of transplanted human dental pulp stem cells (hDPSCs) and human bonemarrow-derived mesenchymal stem cells (hMSCs) in a stroke model of rats and an <i>in vitro</i> ischemic model. Both hDPSCs- and hMSCs- intravenously injected rats 24&#8201;h after middle cerebral artery occlusion showed improved functional recovery and reduced infarct volume versus control rats, but the hDPSCs group showed greater reduction in infarct volume than hMSCs. The positive area for the endothelial cell marker was greater in the lesion boundary areas in the hDPSCs group than with hMSCs...
January 20, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28105353/isolated-extramedullary-cutaneous-relapse-despite-concomitant-severe-graft-vs-host-disease-and-tissue-chimerism-analysis-in-a-patient-with-acute-lymphoblastic-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation-a-case-report
#10
Bulent Kantarcioglu, Huseyin Saffet Bekoz, Yeliz Duvarci Ogret, Asli Cakir, Demet Kivanc, Fatma Savran Oguz, Deniz Sargin
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a potentially curative treatment option for patients with acute lymphoblastic leukemia (ALL). The curative potential of allo-HSCT for ALL is, in part, due to the graft-vs.-leukemia (GVL) effect, in addition to the intensive conditioning chemo-radiotherapy. However, relapse remains the major cause of treatment failure following allo-HSCT for ALL. In the allo-HSCT setting, testing for genetic markers of hematopoietic chimerism has become a part of the routine diagnostic program...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28105211/diagnostic-and-therapeutic-approaches-to-multiple-myeloma-patients-real-world-data-from-representative-multicentre-treatment-surveys-in-germany-between-2008-and-2011
#11
Thomas M Moehler, Maximilian Merz, Lenka Kellermann, Hartmut Goldschmidt, Wolfgang Knauf
A survey was conducted to investigate the standard of care for multiple myeloma in Germany, in order to clarify the status of implementation of international and national treatment guidelines. In addition, the changes in disease management over time were investigated by comparison with surveys conducted in 2008 and 2009. The survey captured a representative sample of 478 myeloma patients with a mean age of 67.9 years across various stages of the disease. Diagnostic approaches, prognostic aspects and treatment decisions were evaluated based on a survey conducted in 2011 in 58 representative centres in Germany, including university and non-university hospitals and office-based haematologists...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104812/antibody-secreting-plasma-cells-persist-for-decades-in-human-intestine
#12
Ole J B Landsverk, Omri Snir, Raquel Bartolomé Casado, Lisa Richter, Jeff E Mold, Pedro Réu, Rune Horneland, Vemund Paulsen, Sheraz Yaqub, Einar Martin Aandahl, Ole M Øyen, Hildur Sif Thorarensen, Mehran Salehpour, Göran Possnert, Jonas Frisén, Ludvig M Sollid, Espen S Baekkevold, Frode L Jahnsen
Plasma cells (PCs) produce antibodies that mediate immunity after infection or vaccination. In contrast to PCs in the bone marrow, PCs in the gut have been considered short lived. In this study, we studied PC dynamics in the human small intestine by cell-turnover analysis in organ transplants and by retrospective cell birth dating measuring carbon-14 in genomic DNA. We identified three distinct PC subsets: a CD19(+) PC subset was dynamically exchanged, whereas of two CD19(-) PC subsets, CD45(+) PCs exhibited little and CD45(-) PCs no replacement and had a median age of 11 and 22 yr, respectively...
January 19, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28104514/increased-foxp3-helios-regulatory-t-cells-and-decreased-acute-graft-versus-host-disease-after-allogeneic-bone-marrow-transplantation-in-patients-receiving-sirolimus-and-rgi-2001-an-activator-of-invariant-natural-killer-t-cells
#13
Yi-Bin Chen, Yvonne A Efebera, Laura Johnston, Edward D Ball, David Avigan, Lazaros J Lekakis, Carlos R Bachier, Paul Martin, Omar Duramad, Yasuyuki Ishii, Semi Han, Yu-Jin Jung, Dana Lee, Lori Kunkel, Robert S Negrin, Jack D Bui
Regulatory T (Treg) cells play a central role in immune tolerance and prevention of aberrant immune responses. Several studies have suggested that the risk of GVHD after allogeneic hematopoietic cell transplantation (HCT) can be ameliorated by increasing Tregs. We have developed an approach of in vivo expansion of Tregs with RGI-2001, a novel liposomal formulation of a synthetic derivative of alpha-galactosylceramide, a naturally occurring ligand that binds to CD1 and activates and expands invariant natural killer cells...
January 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28104154/cost-analysis-of-transplantation-in-japan-performed-with-the-use-of-the-national-database
#14
T Kitazawa, K Matsumoto, S Fujita, K Seto, T Hasegawa
BACKGROUND: When assessing the cost of transplants in Japan, earlier studies have been limited to case series that investigated inpatient cost alone. Few studies have evaluated total cost, which includes inpatient, outpatient, and pharmaceutical costs, or compared costs before and after transplantation. Using the National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB), we investigated the total cost of major transplantation and contributing factors. METHODS: We analyzed the cost and complications of patients who underwent a cadaveric renal transplantation (CRT), living renal transplantation (LRT), living-donor liver transplantation (LDLT), allogeneic bone marrow transplantation, autologous bone marrow transplantation, allogeneic peripheral blood stem cell transplantation, or autologous peripheral blood stem cell transplantation (auto-PBSCT) from April 2009 to March 2010...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28104127/calcineurin-inhibitor-induced-pain-syndrome-in-abo-incompatible-living-kidney-transplantation-a-case-report
#15
S Ishida, M Kato, T Fujita, Y Funahashi, N Sassa, Y Matsukawa, Y Yoshino, T Yamamoto, T Katsuno, S Maruyama, M Gotoh
BACKGROUND: Calcineurin-inhibitor-induced pain syndrome (CIPS) was used as a reference in the literature as reflex sympathetic dystrophy syndrome related to calcineurin inhibitors. Much of the literature describes CIPS that occurred after kidney and bone marrow transplantation. We describe a rare case of CIPS in induction immunosuppression before kidney transplantation, under administration of an anti-rheumatoid drug. METHODS: A 53-year-old woman had pre-status of ABO-incompatible living kidney transplantation...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28103995/-advances-in-the-research-of-prevention-and-treatment-of-postburn-contractures-of-hand
#16
K A Wang, G S Wu, Y Sun, Z F Xia
Scar contracture deformity, which can lead to dysfunction of hand and low quality of life, is one of the common complication after hand burns. The prevention measures of scar contracture after hand burns include large skin grafting, prevention of infection, insistence on wearing pressure gloves, use of silicone sheets, wearing orthosis, accepting proper physical therapy, and early functional exercise. The primary treatments of postburn contractures of the hand are surgery, drugs, laser treatment, and rehabilitation therapy...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28103787/lessons-learned-from-two-decades-of-clinical-trial-experience-in-gene-therapy-for-fanconi-anemia
#17
Jennifer E Adair, Julian Sevilla, Cristina Díaz de Heredia, Pamela S Becker, Hans-Peter Kiem, Juan Bueren
Allogeneic hematopoietic stem cell transplant is the only curative treatment for patients with the non-malignant bone marrow failure syndrome called Fanconi anemia (FA). However, early and late complications associated with this approach underscore the need for alternative treatments. Gene therapy approaches aiming to correct the genetic defect in the patient's own hematopoietic stem cells remain the most promising strategy to overcome FA-associated bone marrow failure. Yet, despite more than two decades of clinical research, a therapeutic "success" has not yet been achieved...
January 19, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28102036/combining-one-step-sanger-sequencing-with-phasing-probe-hybridization-for-hla-class-i-typing-yields-rapid-g-group-resolution-predicting-99-of-unique-full-length-protein-sequences
#18
Bin Tu, Carly Masaberg, Lihua Hou, Daniel Behm, Peter Brescia, Nuri Cha, Kanthi Kariyawasam, Jar How Lee, Thoa Nong, John Sells, Paul Tausch, Ruyan Yang, Jennifer Ng, Carolyn Katovich Hurley
BACKGROUND: Sanger-based DNA sequencing of exons 2+3 of HLA class I alleles from a heterozygote frequently results in two or more alternative genotypes. This study was undertaken to reduce the time and effort required to produce a single high resolution HLA genotype. MATERIALS AND METHODS: Samples were typed in parallel by Sanger sequencing and oligonucleotide probe hybridization. This workflow, together with optimization of analysis software, was tested and refined during the typing of over 42,000 volunteers for an unrelated hematopoietic progenitor cell donor registry...
February 2017: HLA
https://www.readbyqxmd.com/read/28101472/the-effects-of-hypoxia-on-u937-cell-line-in-mesenchymal-stem-cells-co-culture-system
#19
Mostafa Ejtehadifar, Karim Shamsasenjan, Parvin Akbarzadehlaleh, Sarah Zahedi, Narjes Kazemi
Purpose: Mesenchymal Stem Cells (MSCs) are the most important members of Bone Marrow (BM) milieu. MSCs affect different kinds of cells, particularly malignant cells of hematologic malignancies, but the effects of MSCs are unclear exactly. Here we analyzed the effects of derived Umbilical Cord Blood-MSCs on proliferation, cell death and some surface markers of U937 cell line in a Co-culture system with MSCs. Methods: Here we designed Co-culture systems as a model of BM milieu. We cultured U937 cells on UCB-MSCs and MSCs Conditioned Medium (C...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101148/cell-therapy-for-cerebral-hemorrhage-five-year-follow-up-report
#20
Zhitian Chang, Gengsheng Mao, Lizhong Sun, Qiang Ao, Yongquan Gu, Ying Liu
The aim of the study was to examine treatment of cerebral hemorrhages with bone-marrow or human umbilical cord-derived mesenchymal stem cells (BMSCs or Hu-MSCs) and conventional surgical approaches, and determine and compare the effectiveness, feasibility, safety and reproducibility of each method. A retrospective analysis was performed on a cohort of cell-treated cerebral hemorrhage patients from October 1, 2007 to October 1, 2009. A total of 24 patients, all of whom received conventional surgical treatment, were classified as follows: i) The control group consisted of 8 patients who received only hematoma removal surgery, ii) the autologous group consisted of 7 patients who received additional autologous bone marrow mononuclear cell transplantation, and iii) the allograft group consisted of 9 patients who received additional umbilical cord mononuclear cell transplantation...
December 2016: Experimental and Therapeutic Medicine
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