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bone marrow stroma

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https://www.readbyqxmd.com/read/29024236/mesenchymal-stromal-cell-derived-extracellular-vesicles-provide-long-term-survival-after-total-body-irradiation-without-additional-hematopoietic-stem-cell-support
#1
Jill-Sandra Schoefinius, Bärbel Brunswig-Spickenheier, Thomas Speiseder, Sabrina Krebs, Ursula Just, Claudia Lange
The therapeutic effect of mesenchymal stromal cells (MSC) in tissue regeneration is based mainly on the secretion of bioactive molecules. Here, we report that the radioprotective effect of mouse bone marrow derived MSC (mMSC) can be attributed to extracellular vesicles (EV) released from mMSC. The transplantation of mMSC-derived EV into lethally irradiated mice resulted in long-term survival but no improvement in short-term reconstitution of the recipients. Importantly, the radiation rescue was efficient without additional hematopoietic support...
October 11, 2017: Stem Cells
https://www.readbyqxmd.com/read/28984866/bone-marrow-stroma-cells-derived-from-mononuclear-cells-at-diagnosis-as-a-source-of-germline-control-dna-for-determination-of-somatic-mutations-in-acute-myeloid-leukemia
#2
H Mujahed, M Jansson, S Bengtzén, S Lehamnn
No abstract text is available yet for this article.
October 6, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28983600/cd146-skeletal-stem-cells-from-growth-plate-exhibit-specific-chondrogenic-differentiation-capacity-in%C3%A2-vitro
#3
Ying-Xing Wu, Xing-Zhi Jing, Yue Sun, Ya-Ping Ye, Jia-Chao Guo, Jun-Ming Huang, Wei Xiang, Jia-Ming Zhang, Feng-Jing Guo
Skeletal stem cells (SSCs) are a population of progenitor cells which give rise to postnatal skeletal tissues including bone, cartilage and bone marrow stroma, however not to adipose, haematopoietic or muscle tissue. Growth plate chondrocytes exhibit the ability of continuous proliferation and differentiation, which contributes to the continuous physiological growth. The growth plate has been hypothesized to contain SSCs which exhibit a desirable differentiation capacity to generate bone and cartilage. Due to the heterogeneity of the growth plate chondrocytes, SSCs in the growth plate are not well studied...
September 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28969692/role-of-protein-kinases-ck1%C3%AE-and-ck2-in-multiple-myeloma-regulation-of-pivotal-survival-and-stress-managing-pathways
#4
REVIEW
Sabrina Manni, Marilena Carrino, Francesco Piazza
Multiple myeloma (MM) is a malignant tumor of transformed plasma cells. MM pathogenesis is a multistep process. This cancer can occur de novo (rarely) or it can develop from monoclonal gammopathy of undetermined significance (most of the cases). MM can be asymptomatic (smoldering myeloma) or clinically active. Malignant plasma cells exploit intrinsic and extrinsic bone marrow microenvironment-derived growth signals. Upregulation of stress-coping pathways is also instrumental to maintain MM cell growth. The phylogenetically related Ser/Thr kinases CSNK1A1 (CK1α) and CSNK2 (CK2) have recently gained a growing importance in hematologic malignancies arising both from precursors and from mature blood cells...
October 2, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28947097/pregnancy-associated-changes-in-expression-of-progesterone-receptor-and-progesterone-induced-blocking-factor-genes-in-bone-marrow-of-ewes
#5
Le-Ying Zhang, Hao Mi, Jin-Kun Yan, Xian-Xi Yan, Ling Yang
Progesterone (P4) regulates reproductive and immune functions through binding to the progesterone receptor (PGR), and the effects of P4 are partly mediated by a progesterone-induced blocking factor (PIBF). Bone marrow (BM) is a key component of the lymphatic system and has an important role in immune response. In this study, BM was harvested from femurs on days 13, 16 and 25 of pregnancy and day 16 of the estrous cycles without mated by intact rams, and a qRT-PCR assay, Western blot and an immunohistochemistry analysis were used to analyze the expression of PGR and PIBF genes in BM...
November 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28924803/patient-derived-xenografts-as-preclinical-neuroblastoma-models
#6
REVIEW
Noémie Braekeveldt, Daniel Bexell
The prognosis for children with high-risk neuroblastoma is often poor and survivors can suffer from severe side effects. Predictive preclinical models and novel therapeutic strategies for high-risk disease are therefore a clinical imperative. However, conventional cancer cell line-derived xenografts can deviate substantially from patient tumors in terms of their molecular and phenotypic features. Patient-derived xenografts (PDXs) recapitulate many biologically and clinically relevant features of human cancers...
September 19, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28915559/zbtb1-controls-nkp46-ror-gamma-t-innate-lymphoid-cell-ilc3-development
#7
Ying Lu, Xianyu Zhang, Nicolas Bouladoux, Saransh Neel Kaul, Kangxin Jin, Derek Sant'Angelo, Yasmine Belkaid, Damian Kovalovsky
Innate lymphoid cells (ILCs) play a central role conferring protection at the mucosal frontier. In this study, we have identified a requirement of the transcription factor Zbtb1 for the development of RORγt(+) ILCs (ILC3s). Zbtb1-deficient mice lacked NKp46(+) ILC3 cells in the lamina propria of the small and large intestine. This requirement of Zbtb1 was cell intrinsic, as NKp46(+) ILC3s were not generated from Zbtb1-deficient progenitors in bone marrow chimeras and Zbtb1-deficient RORγt(+) CCR6(-)NKp46(-) ILC3s didn't generate NKp46(+) ILC3s in co-cultures with OP9-DL1 stroma...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28913973/bone-marrow-stem-cells-do-not-contribute-to-endometrial-cell-lineages-in-chimeric-mouse-models
#8
Yih Rue Ong, Fiona L Cousins, Xiaoqing Yang, Ahmed Aedh A Al Mushafi, David T Breault, Caroline E Gargett, James A Deane
Studies from five independent laboratories conclude that bone marrow stem cells transdifferentiate into endometrial stroma, epithelium and endothelium. We investigated the nature of bone marrow-derived cells in the mouse endometrium by reconstituting irradiated wild type recipients with bone marrow containing transgenic mTert-GFP or chicken β-actin-GFP reporters. mTert-GFP is a telomerase marker identifying hematopoietic stem cells and subpopulations of epithelial, endothelial and immune cells in the endometrium...
September 15, 2017: Stem Cells
https://www.readbyqxmd.com/read/28903394/melittin-suppresses-tumor-progression-by-regulating-tumor-associated-macrophages-in-a-lewis-lung-carcinoma-mouse-model
#9
Chanju Lee, Sung-Joo S Bae, Hwansoo Joo, Hyunsu Bae
Tumor-associated macrophages (TAM) are a major component of tumor stroma. It has been reported that TAMs have M2-like phenotype and facilitate tumor progression by promoting angiogenesis and immunosuppression. Melittin, a major polypeptide of bee venom, has been widely studied as an anti-cancer drug due to its cytotoxicity to malignant cells. However, very little is known regarding the effect of melittin on immune cells in the tumor microenvironment. This study focuses on the effect of melittin on TAMs in a Lewis lung carcinoma mouse model...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28889371/bone-marrow-stroma-and-vascular-contributions-to-myeloma-bone-homing
#10
REVIEW
Michele Moschetta, Yawara Kawano, Antonio Sacco, Angelo Belotti, Rossella Ribolla, Marco Chiarini, Viviana Giustini, Diego Bertoli, Alessandra Sottini, Monica Valotti, Claudia Ghidini, Federico Serana, Michele Malagola, Luisa Imberti, Domenico Russo, Alessandro Montanelli, Giuseppe Rossi, Michaela R Reagan, Patricia Maiso, Bruno Paiva, Irene M Ghobrial, Aldo M Roccaro
PURPOSE OF THE REVIEW: Herein we dissect mechanisms behind the dissemination of cancer cells from primary tumor site to the bone marrow, which are necessary for metastasis development, with a specific focus on multiple myeloma. RECENT FINDINGS: The ability of tumor cells to invade vessels and reach the systemic circulation is a fundamental process for metastasis development; however, the interaction between clonal cells and the surrounding microenvironment is equally important for supporting colonization, survival, and growth in the secondary sites of dissemination...
September 9, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28881756/mm-bmscs-induce-na%C3%A3-ve-cd4-t-lymphocytes-dysfunction-through-fibroblast-activation-protein-%C3%AE
#11
Xiaofei Wu, Yadan Wang, Jian Xu, Ting Luo, Jun Deng, Yu Hu
BACKGROUND: The tumor microenvironment plays a major role in multiple myelomas (MM). MM-BMSCs (bone marrow mesenchymal stromal cells) can support tumor growth and immune surveillance escape. On the other hand, fibroblast activation protein α, expressed by cancer stroma cells including BMSCs, has been shown to potentiate epithelial cancers growth and immune suppression. RESULTS: MM-BMSC inhibited proliferation of T cells (P = 0.0138), promoted senescence of T cells (P < 0...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28871088/human-primary-bone-marrow-mesenchymal-stromal-cells-and-their-in-vitro-progenies-display-distinct-transcriptional-profile-signatures
#12
Roshanak Ghazanfari, Dimitra Zacharaki, Hongzhe Li, Hooi Ching Lim, Shamit Soneji, Stefan Scheding
Bone marrow mesenchymal stromal cells (BM-MSCs) are a rare population of cells that gives rise to skeletal tissues and the hematopoietic stroma in vivo. Recently, we have demonstrated that BM-MSCs fulfill stringent in vivo stem cell criteria when propagated as non-adherent mesenspheres but not as adherent-cultured cells. Motivated by these profound functional differences, the current study aimed to identify potential important MSC regulators by investigating global gene expression profiles of adherent and non-adherent culture-derived BM-MSCs in comparison with primary BM-MSCs...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28863345/the-stromal-microenvironment-modulates-mitochondrial-oxidative-phosphorylation-in-chronic-lymphocytic-leukemia-cells
#13
Hima V Vangapandu, Mary L Ayres, Christopher A Bristow, William G Wierda, Michael J Keating, Kumudha Balakrishnan, Christine M Stellrecht, Varsha Gandhi
Peripheral blood chronic lymphocytic leukemia (CLL) cells are replicationally quiescent mature B-cells. In short-term cultures, supporting stromal cells provide a survival advantage to CLL cells by inducing transcription and translation without promoting proliferation. We hypothesized that the stromal microenvironment augments malignant B cells' metabolism to enable the cells to cope with their energy demands for transcription and translation. We used extracellular flux analysis to assess the two major energy-generating pathways, mitochondrial oxidative phosphorylation (OxPhos) and glycolysis, in primary CLL cells in the presence of three different stromal cell lines...
August 29, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28842696/adhesion-to-stromal-cells-mediates-imatinib-resistance-in-chronic-myeloid-leukemia-through-erk-and-bmp-signaling-pathways
#14
Atul Kumar, Jina Bhattacharyya, Bithiah Grace Jaganathan
Chronic myeloid leukemia (CML) is characterized by abnormal proliferation of myeloid cells which when untreated leads to bone marrow failure. Imatinib mesylate (IM) is the first line of therapy for treatment of CML and results in remission in most cases. However, a significant percentage of patients develop chemoresistance to IM, which might be due to the presence of chemoresistant cells in the bone marrow. In the current study, we explored the role of cell-cell interaction of CML cells with the bone marrow stromal cells in the development of chemoresistance in CML...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28802664/cytokines-and-soluble-hla-g-levels-in-bone-marrow-stroma-and-their-association-with-the-survival-rate-of-patients-exhibiting-childhood-t-cell-acute-lymphoblastic-leukemia
#15
Renata Dos Santos Almeida, Alessandra Maria de Luna Ramos, Carlos Feitosa Luna, Francisco Pedrosa, Eduardo Antônio Donadi, Norma Lucena-Silva
Leukemic cells can induce defective expression of soluble factors and change marrow cytokine profile, leading to aberrant cell signaling, cell fixation and cell proliferation in bone marrow. T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive disorder which accounts for 15% of pediatric ALL. To evaluate the contribution of immunological factors on T-ALL survival, we measured Th1, Th2, Th17 cytokines and soluble HLA-G (sHLA-G) levels in bone marrow from 32 Brazilian children at diagnosis (D0), after induction (D19) and after consolidation (D49) of the chemotherapy phase...
August 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28802000/pmepa1-induced-by-rankl-p38-mapk-pathway-has-a-novel-role-in-osteoclastogenesis
#16
Noboru Funakubo, Xianghe Xu, Toshio Kukita, Seiji Nakamura, Hiroshi Miyamoto, Akiko Kukita
Osteoclasts are multinucleated cells formed by fusion of preosteoclasts (POCs) derived from cells of the monocyte/macrophage lineage. We have reported a culture system that supports the formation of POCs from stroma-depleted rat bone marrow cells. Global gene expression analysis of this culture system identified genes highly expressed in POCs. Here, we have analyzed the expression and function of one of these highly expressed genes, prostate transmembrane protein androgen induced 1 (Pmepa1), a target of TGF-β and binds Nedd4 ubiquitin ligase, which plays a role in intracellular trafficking...
August 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28782281/systemic-administration-of-bone-marrow-derived-cells-leads-to-better-uterine-engraftment-than-use-of-uterine-derived-cells-or-local-injection
#17
Ying Liu, Reshef Tal, Nicola Pluchino, Ramanaiah Mamillapalli, Hugh S Taylor
Stem cells are recruited to the uterus where they differentiate into endometrial cells and have been suggested as potential therapy for uterine injury such as Asherman's syndrome. However, it is unknown whether local intrauterine injection may result in better stem cell engraftment of the uterus compared with systemic administration, and whether uterine-derived cells (UDCs) may confer an advantage over BM-derived cells (BMDCs). Mice underwent local injury to a single uterine horn. Green fluorescent protein (GFP)-expressing BMDCs, UDCs or saline (control) were injected either intravenously or locally (uterine lumen) into wild-type recipients...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28778069/zbtb1-controls-nkp46-ror-gamma-t-innate-lymphoid-cell-ilc3-development
#18
Ying Lu, Xianyu Zhang, Nicolas Bouladoux, Saransh Neel Kaul, Kangxin Jin, Derek Sant'Angelo, Yasmine Belkaid, Damian Kovalovsky
Innate lymphoid cells (ILCs) play a central role conferring protection at the mucosal frontier. In this study, we have identified a requirement of the transcription factor Zbtb1 for the development of RORγt+ ILCs (ILC3s). Zbtb1-deficient mice lacked NKp46+ ILC3 cells in the lamina propria of the small and large intestine. This requirement of Zbtb1 was cell intrinsic, as NKp46+ ILC3s were not generated from Zbtb1-deficient progenitors in bone marrow chimeras and Zbtb1-deficient RORγt+ CCR6-NKp46- ILC3s didn't generate NKp46+ ILC3s in co-cultures with OP9-DL1 stroma...
July 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28777945/long-term-engraftment-of-primary-bone-marrow-stromal-cells-repairs-niche-damage-and-improves-hematopoietic-stem-cell-transplantation
#19
Jean-Paul Abbuehl, Zuzana Tatarova, Werner Held, Joerg Huelsken
Hematopoietic stem cell (HSC) transplantation represents a curative treatment for various hematological disorders. However, delayed reconstitution of innate and adaptive immunity often causes fatal complications. HSC maintenance and lineage differentiation are supported by stromal niches, and we now find that bone marrow stroma cells (BMSCs) are severely and permanently damaged by the pre-conditioning irradiation required for efficient HSC transplantation. Using mouse models, we show that stromal insufficiency limits the number of donor-derived HSCs and B lymphopoiesis...
August 3, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28708600/tumor-trp53-status-and-genotype-affect-the-bone-marrow-microenvironment-in-acute-myeloid-leukemia
#20
Rodrigo Jacamo, R Eric Davis, Xiaoyang Ling, Sonali Sonnylal, Wencai Ma, Min Zhang, Peter Ruvolo, Vivian Ruvolo, Rui-Yu Wang, Scott Lowe, Johannes Zuber, Steven M Kornblau, Marina Konopleva, Michael Andreeff
The genetic heterogeneity of acute myeloid leukemia (AML) and the variable responses of individual patients to therapy suggest that different AML genotypes may influence the bone marrow (BM) microenvironment in different ways. We performed gene expression profiling of bone marrow mesenchymal stromal cells (BM-MSC) isolated from normal C57BL/6 mice or mice inoculated with syngeneic murine leukemia cells carrying different human AML genotypes, developed in mice with Trp53 wild-type or nullgenetic backgrounds...
July 6, 2017: Oncotarget
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