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https://www.readbyqxmd.com/read/29125884/comparative-characterization-of-cd271-and-cd271-subpopulations-of-cd34-human-adipose-derived-stromal-cells
#1
Liziane Raquel Beckenkamp, Lucas Eduardo Botelho Souza, Fernanda Ursoli Ferreira Melo, Carolina Hassibe Thomé, Daniele Aparecida Rosa Magalhães, Patrícia Viana Bonini Palma, Dimas Tadeu Covas
INTRODUCTION: Adipose-derived stromal/stem cells (ASCs) are promising candidates for cell-based therapies. However, the lack of markers able to unequivocally identify these cells, the differential expression of cell surface molecules among stromal progenitors from different tissues and cellular alterations caused by culture are phenomena that need to be comprehensively addressed in order to improve ASC purification and consequently refine our knowledge about their function and therapeutic efficiency...
November 10, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29118440/native-joint-resident-mesenchymal-stem-cells-for-cartilage-repair-in-osteoarthritis
#2
REVIEW
Dennis McGonagle, Thomas G Baboolal, Elena Jones
The role of native (not culture-expanded) joint-resident mesenchymal stem cells (MSCs) in the repair of joint damage in osteoarthritis (OA) is poorly understood. MSCs differ from bone marrow-residing haematopoietic stem cells in that they are present in multiple niches in the joint, including subchondral bone, cartilage, synovial fluid, synovium and adipose tissue. Research in experimental models suggests that the migration of MSCs adjacent to the joint cavity is crucial for chonodrogenesis during embryogenesis, and also shows that synovium-derived MSCs might be the primary drivers of cartilage repair in adulthood...
November 9, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28967641/large-scale-expansion-and-characterization-of-human-adult-neural-crest-derived-multipotent-stem-cells-from-hair-follicle-for-regenerative-medicine-applications
#3
R G Vasyliev, A E Rodnichenko, O S Gubar, A V Zlatska, I M Gordiienko, S N Novikova, D O Zubov
AIM: The purpose of this work was to obtain, multiply and characterize the adult neural crest-derived multipotent stem cells from human hair follicle for their further clinical use. MATERIALS AND METHODS: Adult neural crest-derived multipotent stem cells were obtained from human hair follicle by explant method and were expanded at large-scale up to a clinically significant number. The resulted cell cultures were examined by flow cytometry and immunocytochemical analysis...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967640/endometrial-stromal-cells-isolation-expansion-morphological-and-functional-properties
#4
A V Zlatska, A E Rodnichenko, O S Gubar, D O Zubov, S N Novikova, R G Vasyliev
AIM: We aimed to study biological properties of human endometrial stromal cells in vitro. MATERIALS AND METHODS: The endometrium samples (n = 5) were obtained by biopsy at the first phase of the menstrual cycle from women with endometrial hypoplasia. In all cases, a voluntary written informed consent was obtained from the patients. Endometrial fragments were dissociated by enzymatic treatment. The cells were cultured in DMEM/F12 supplemented with 10% FBS, 2 mМ L-glutamine and 1 ng/ml FGF-2 in a multi-gas incubator at 5% CO2 and 5% O2...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28941240/dynamic-changes-in-brain-mesenchymal-perivascular-cells-associate-with-multiple-sclerosis-disease-duration-active-inflammation-and-demyelination
#5
Ellen Iacobaeus, Rachael V Sugars, Anton Törnqvist Andrén, Jessica J Alm, Hong Qian, Janek Frantzen, Jia Newcombe, Kanar Alkass, Henrik Druid, Matteo Bottai, Matias Röyttä, Katarina Le Blanc
Vascular changes, including blood brain barrier destabilization, are common pathological features in multiple sclerosis (MS) lesions. Blood vessels within adult organs are reported to harbor mesenchymal stromal cells (MSCs) with phenotypical and functional characteristics similar to pericytes. We performed an immunohistochemical study of MSCs/pericytes in brain tissue from MS and healthy persons. Post-mortem brain tissue from patients with early progressive MS (EPMS), late stage progressive MS (LPMS), and healthy persons were analyzed for the MSC and pericyte markers CD146, platelet-derived growth factor receptor beta (PDGFRβ), CD73, CD271, alpha-smooth muscle actin, and Ki67...
October 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28925497/the-feasibility-of-the-cd271-and-cd271-mesenchymal-stromal-cell-enrichment-toward-nucleus-pulposus-like-cells
#6
Katarzyna Jezierska-Wozniak, Monika Barczewska, Aleksandra Habich, Pawel Wojtacha, Wanda Badowska, Wojciech Maksymowicz, Joanna Wojtkiewicz
INTRODUCTION: Factors promoting nerve cell ingrowth are considered responsible for chronic back pain resulting from the intervertebral disc degeneration (IDD). One of the recent exploratory IDD treatments is stem cell transplantation therapy. The CD271 (low-affinity nerve growth factor receptor) has been identified as a marker of the most homogeneous mesenchymal stem cell (MSC) subset. It is capable of promoting differentiation along adipogenic, osteogenic and chondrogenic lineages and producing significantly higher levels of cytokines as compared to the total population of plastic adherence-mesenchymal stem cells (PA-MSCs)...
September 19, 2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28884113/in-vitro-culture-of-na%C3%A3-ve-human-bone-marrow-mesenchymal-stem-cells-a-stemness-based-approach
#7
REVIEW
Bidisha Pal, Bikul Das
Human bone marrow derived mesenchymal stem cells (BM-MSCs) resides in their niches in close proximity to hematopoietic stem cells (HSCs). These naïve MSCs have tremendous potential in regenerative therapeutics, and may also be exploited by cancer and infectious disease agents. Hence, it is important to study the physiological and pathological roles of naïve MSC. However, our knowledge of naïve MSCs is limited by lack of appropriate isolation and in vitro culture methods. Established culture methods use serum rich media, and serial passaging for retrospective isolation of MSCs...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28852061/cd271-determines-migratory-properties-of-melanoma-cells
#8
Josefine Radke, Florian Roßner, Torben Redmer
Melanoma cell expression of the nerve growth factor receptor CD271 is associated with stem-like properties. However, the contributing role of the receptor in melanoma cell migration is elusive. Here, we explored extracranial (skin, soft tissue, lymph node and liver, n = 13) and matched brain metastases (BM, n = 12) and observed a heterogeneous distribution of phenotypically distinct subsets of CD271(+) cells. In addition, we observed that CD271 expression gradually rises along with melanoma progression and metastasis by exploration of publicly available expression data of nevi, primary melanoma (n = 31) and melanoma metastases (n = 54)...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734835/migration-ability-and-toll-like-receptor-expression-of-human-mesenchymal-stem-cells-improves-significantly-after-three-dimensional-culture
#9
Panpan Zhou, Zilin Liu, Xue Li, Bing Zhang, Xiaoyuan Wang, Jing Lan, Qing Shi, Dong Li, Xiuli Ju
While the conventional two-dimensional (2D) culture protocol is well accepted for the culture of mesenchymal stem cells (MSCs), this method fails to recapitulate the in vivo native three-dimensional (3D) cellular microenvironment, and may result in phenotypic changes, and homing and migration capacity impairments. MSC preparation in 3D culture systems has been considered an attractive preparatory and delivery method recently. We seeded human umbilical cord-derived MSCs (hUCMSCs) in a 3D culture system with porcine acellular dermal matrix (PADM), and investigated the phenotypic changes, the expression changes of some important receptors, including Toll-like receptors (TLRs) and C-X-C chemokine receptor type 4 (CXCR4) when hUCMSCs were transferred from 2D to 3D systems, as well as the alterations in in vivo homing and migration potential...
September 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28726209/characteristics-of-mel-ibr-melanoma-line-subclone-after-treatment-with-chicken-embryo-extract
#10
N M Suraeva, L F Morozova, O O Ryabaya, Yu A Khochenkova, A V Samoilov, O S Burova, N V Golubtsova, A E Barmashov, M A Baryshnikova
We continue analysis of the phenotype of human melanoma cell Mel Ibr subclone obtained previously by treatment of the parental cell line by chicken embryo extract. The present study is focused on detection of markers of epithelial-mesenchymal transition that determine enhanced metastatic and invasive potential of malignant tumors of various locations. Analysis of the expression of E-cadherin and vimentin genes in the subclone and parental cells detected activation of epithelial-mesenchymal transition in the subclone...
June 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28706966/data-on-the-fate-of-macs%C3%A2-microbeads-intramyocardially-co-injected-with-stem-cell-products
#11
Paula Müller, Ralf Gaebel, Heiko Lemcke, Gustav Steinhoff, Robert David
The data presented in this article are related to the research article "Intramyocardial Fate and Effect of Iron Nanoparticles co-injected with MACS® purified Stem Cell Products" (Müller et al., 2017) [1]. This article complements the cellular localization of superparamagnetic iron dextran particles (MACS® MicroBeads) used for magnetic activated cell sorting (MACS®). Data evaluate the time-dependent detachment of these nanoparticles from CD133(+) haematopoietic stem cells (HSCs) and CD271(+) mesenchymal stem cells (MSCs)...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28639326/bone-marrow-hematons-an-access-point-to-the-human-hematopoietic-niche
#12
Alexandre Janel, Juliette Berger, Céline Bourgne, Richard Lemal, Nathalie Boiret-Dupré, Frédérique Dubois-Galopin, Pierre Déchelotte, Charlotte Bothorel, Eric Hermet, Sara Chabi, Jacques-Olivier Bay, Céline Lambert, Bruno Pereira, Françoise Pflumio, Rima Haddad, Marc G Berger
To understand the complex interactions between hematopoietic stem cells and the bone marrow niche, a human experimental model is needed. Our hypothesis is that hematons are an appropriate ex vivo model of human bone marrow. We analyzed the hierarchical hematopoietic cell content and the tissue organization of single hematons from healthy donors. Most (>90%) hematons contained precursors of all cell lineages, myeloid progenitors, and LTC-ICs without preferential commitment. Approximately, half of the hematons could generate significant levels of lympho-myeloid hematopoiesis after transplantation in an NSG mouse model, despite the low absolute numbers of transplanted CD34(+) cells...
October 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28633632/antagonizing-mir-455-3p-inhibits-chemoresistance-and-aggressiveness-in-esophageal-squamous-cell-carcinoma
#13
Aibin Liu, Jinrong Zhu, Geyan Wu, Lixue Cao, Zhanyao Tan, Shuxia Zhang, Lili Jiang, Jueheng Wu, Mengfeng Li, Libing Song, Jun Li
BACKGROUND: The plasticity of cancer stem cells (CSCs)/tumor-initiating cells (T-ICs) suggests that multiple CSC/T-IC subpopulations exist within a tumor and that multiple oncogenic pathways collaborate to maintain the CSC/T-IC state. Here, we aimed to identify potential therapeutic targets that concomitantly regulate multiple T-IC subpopulations and CSC/T-IC-associated pathways. METHODS: A chemoresistant patient-derived xenograft (PDX) model of human esophageal squamous cell carcinoma (ESCC) was employed to identify microRNAs that contribute to ESCC aggressiveness...
June 21, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28575019/clinicopathologic-significance-of-the-cxcl1-cxcr2-axis-in-the-tumor-microenvironment-of-gastric-carcinoma
#14
Hiroaki Kasashima, Masakazu Yashiro, Hirohisa Nakamae, Go Masuda, Haruhito Kinoshita, Tamami Morisaki, Tatsunari Fukuoka, Tsuyoshi Hasegawa, Takahiko Nakane, Masayuki Hino, Kosei Hirakawa, Masaichi Ohira
PURPOSE: It was reported that the chemokine (C-X-C motif) ligand 1 (CXCL1) from cancer cells stimulated the recruitment of bone marrow-derived mesenchymal cells (BM-MCs) into tumor stroma via chemokine (C-X-C motif) receptor 2 (CXCR2) signaling. We conducted this retrospective study to determine the clinicopathologic significance of the CXCL1-CXCR2 axis in human gastric cancer. METHODS: The correlations between the clinicopathological features of 270 primary gastric carcinomas and CXCL1 in cancer cells and CXCR2 in stromal cells were analyzed in immunohistochemical studies...
2017: PloS One
https://www.readbyqxmd.com/read/28564607/specification-and-diversification-of-pericytes-and-smooth-muscle-cells-from-mesenchymoangioblasts
#15
Akhilesh Kumar, Saritha Sandra D'Souza, Oleg V Moskvin, Huishi Toh, Bowen Wang, Jue Zhang, Scott Swanson, Lian-Wang Guo, James A Thomson, Igor I Slukvin
Elucidating the pathways that lead to vasculogenic cells, and being able to identify their progenitors and lineage-restricted cells, is critical to the establishment of human pluripotent stem cell (hPSC) models for vascular diseases and development of vascular therapies. Here, we find that mesoderm-derived pericytes (PCs) and smooth muscle cells (SMCs) originate from a clonal mesenchymal progenitor mesenchymoangioblast (MB). In clonogenic cultures, MBs differentiate into primitive PDGFRβ(+)CD271(+)CD73(-) mesenchymal progenitors, which give rise to proliferative PCs, SMCs, and mesenchymal stem/stromal cells...
May 30, 2017: Cell Reports
https://www.readbyqxmd.com/read/28539555/inter-patient-and-intra-tumor-heterogeneity-in-the-sensitivity-to-tumor-targeted-immunity-in-colorectal-cancer
#16
REVIEW
Tsubasa Miyauchi, Tomonori Yaguchi, Yutaka Kawakami
  Efficacy of immune checkpoint inhibitors such as PD-1 antibody for colorectal cancer remains to be proved except in microsatellite-instability-high (MSI-H) cases. While the objective response rate of MSI-H cases was 40%, that of microsatellite-stable (MSS) cases was 0%, showing that response rate to immune checkpoint inhibitors varies even among the microsatellite status. Some possible mechanisms that confer each patient variation in the response to immunotherapy should be considered. We focused on the combination of inter-patient heterogeneity and intra-tumor heterogeneity as a determining factor of immune reaction...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28539548/skin-resident-stem-cells-and-wound-healing
#17
REVIEW
Yohei Iwata, Hirohiko Akamatsu, Yuichi Hasebe, Seiji Hasegawa, Kazumitsu Sugiura
  CD271 is common stem cell marker for the epidermis and dermis. We assessed a kinetic movement of epidermal and dermal CD271(+) cells in the wound healing process to elucidate the possible involvement with chronic skin ulcers. Epidermal CD271(+) cells were proliferated and migrated from 3 days after wounding. Purified epidermal CD271(+) cells expressed higher TGFβ2 and VEGFα transcripts than CD271(-) cells. Delayed wound healing was observed in the aged mice compared with young mice. During the wound healing process, the peak of dermal CD271(+) cell accumulation was delayed in aged mice compared with young mice...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28494265/intramyocardial-fate-and-effect-of-iron-nanoparticles-co-injected-with-macs-%C3%A2-purified-stem-cell-products
#18
Paula Müller, Ralf Gaebel, Heiko Lemcke, Frank Wiekhorst, Frauke Hausburg, Cajetan Lang, Nicole Zarniko, Bernd Westphal, Gustav Steinhoff, Robert David
BACKGROUND: Magnetic activated cell sorting (MACS(®)) is routinely used to isolate stem cell subpopulations intended for the treatment of cardiovascular diseases. In strong contrast, studies examining the amount, effect and intramyocardial distribution of iron nanoparticles used for magnetic cell labelling are missing, although iron excess can cause functional disorders in the heart. METHODS AND RESULTS: CD133(+) haematopoietic and CD271(+) mesenchymal stem cells were purified from bone marrow using automatically and manually MACS(®) based systems...
May 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/28455697/the-differentiation-of-skin-mesenchymal-stem-cells-towards-a-schwann-cell-phenotype-impact-of-sigma-1-receptor-activation
#19
L Saulite, E Vavers, L Zvejniece, M Dambrova, U Riekstina
Neural crest stem cells (NCSCs) are the source of mature Schwann cells in the peripheral nervous system (PNS). The NCSC population resides in the bulge of hair follicles and in the dermis. Recently, it was shown that 2-3% of the human dermis mesenchymal stem cell (MSC) population expresses the NCSC marker CD271, thus enabling the use of skin MSCs for studying Schwann cell differentiation in vitro. The aims of this study were to establish a protocol for human skin MSC differentiation towards Schwann cell-like cells (SC-lcs) and to analyse the expression of sigma-1 receptor (S1R) in SC-lcs...
April 28, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28435246/cuprous-oxide-nanoparticle-inhibited-melanoma-progress-by-targeting-melanoma-stem-cells
#20
Bin Yu, Ye Wang, Xinlu Yu, Hongxia Zhang, Ji Zhu, Chen Wang, Fei Chen, Changcheng Liu, Jingqiang Wang, Haiying Zhu
Recent studies have shown that metal and metal oxide have a potential function in antitumor therapy. Our previous studies demonstrated that cuprous oxide nanoparticles (CONPs) not only selectively induce apoptosis of tumor cells in vitro but also inhibit the growth and metastasis of melanoma by targeting mitochondria with little hepatic and renal toxicities in mice. As a further study, our current research revealed that CONPs induced apoptosis of human melanoma stem cells (CD271(+/high) cells) in A375 and WM266-4 melanoma cell lines and could significantly suppress the expression of MITF, SOX10 and CD271 involved in the stemness maintenance and tumorigenesis of melanoma stem cells...
2017: International Journal of Nanomedicine
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