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https://www.readbyqxmd.com/read/29667552/harvesting-isolation-and-differentiation-of-rat-adipose-derived-stem-cells
#1
Panayiotis D Megaloikonomos, Georgios N Panagopoulos, Myrto Bami, Vasileios G Igoumenou, Leonidas Dimopoulos, Adamantia Milonaki, Maria Kyriakidou, Evanthia Mitsiokapa, Jane Anastassopoulou, Andreas F Mavrogenis
BACKGROUND: Adipose tissue is one of the most attractive source of stem cells because it can be easily harvested and yields a greater stromal cell density. The multi-lineage potential of adipose-derived stem cells (ADSCs) demonstrates their significant impact within the field of tissue engineering, with studies successfully demonstrating the ability to produce a range of tissue types. However, although, a broad spectrum of applications has already been suggested, many important scientific and medical questions remain unanswered before the clinical application of ADSCs in humans...
April 17, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29666833/resolving-the-coffey-paradox-what-does-the-androgen-receptor-do-in-normal-vs-malignant-prostate-epithelial-cells
#2
REVIEW
John T Isaacs
Donald Straley Coffey completed his 85 year life's journey on November 9, 2017. In his wake, he left a legion of inspired and loyal students, fellows, and faculty colleagues from all over the world to carry on his passion both for life in general and his 50 year quest to conquer cancer. Early in his career, Dr. Coffey developed a series of animal models to study how androgen regulates the growth of both normal and abnormal prostatic epithelium. As part of these early studies, Dr. Coffey uncovered a paradox in that anti-androgen treatment given at the "wrong" time paradoxically enhanced, not inhibited, normal prostate growth...
2018: American Journal of Clinical and Experimental Urology
https://www.readbyqxmd.com/read/29666189/single-cell-rna-seq-reveals-cell-heterogeneity-and-hierarchy-within-mouse-mammary-epithelia
#3
Heng Sun, Zhengqiang Miao, Xin Zhang, Un In Chan, Sek Man Su, Sen Guo, Chris Koon Ho Wong, Xiaoling Xu, Chu-Xia Deng
The mammary gland is very intricately and well organized into distinct tissues, including epithelia, endothelia, adipocytes, and stromal and immune cells. Many mammary gland diseases, such as breast cancer arise from abnormalities in the mammary epithelium, which is mainly composed of two distinct lineages, the basal and luminal cells. Because of the limitation of traditional transcriptome analysis of bulk mammary cells, the hierarchy and heterogeneity of mammary cells within these two lineages remain unclear...
April 17, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29666119/depot-specific-characteristics-of-adipose-tissue-derived-stromal-cells-in-thyroid-associated-orbitopathy
#4
Janice Siu Chong Wong, Wai Kit Chu, Benjamin Fuk-Loi Li, Chi-Pui Pang, Kelvin Kam-Lung Chong
BACKGROUND: Thyroid-associated orbitopathy (TAO) causes inflammatory fibroproliferation of periocular connective tissues. We compared adipose tissue-derived stem/stromal cells (ADSCs) from three adipose depots of each patient with TAO on mesenchymal, myofibrogenic, adipogenic properties and associated hyaluronan (HA) synthesis. METHODS: ADSCs were generated from periocular (eyelid, orbital) and subcutaneous (abdominal) adipose tissues of three patients with TAO...
April 17, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29665979/crosstalk-between-yap-taz-and-notch-signaling
#5
REVIEW
Antonio Totaro, Martina Castellan, Daniele Di Biagio, Stefano Piccolo
How the behavior of cells in living tissues is orchestrated according to tissue needs, size, and developmental stage is still poorly understood. Advances in these directions are essential to understand morphogenesis, 'self-organization' phenomena, to build new tissues for regenerative medicine or to reverse the changes in deranged organs, such as in cancer or in genetic disorders. This review outlines a new scenario by which the crosstalk between the Yes-associated protein/transcriptional coactivator with PDZ-binding motif (YAP/TAZ) transcription factors and Notch signaling influences cell self-renewal, stem cell differentiation, cell fate decisions, epithelial-stromal interactions, inflammation, morphogenesis, and large-scale gene oscillations...
April 14, 2018: Trends in Cell Biology
https://www.readbyqxmd.com/read/29663821/lithium-prevents-cell-apoptosis-through-autophagy-induction
#6
H Kazemi, A Noori-Zadeh, S Darabi, F Rajaei
OBJECTIVE: Bone marrow stromal stem cells (BMSCs) are widely used as an available source for cell therapy, tissue engineering, and cellular differentiation-based techniques. Therefore, it is necessary to apply a simple method through which BMSCs can be protected from cell apoptosis under tough conditions of cell differentiation. Lithium treatment is one of the simple methods in this regard. METHODS: The isolated BMSCs were divided into three groups: (a) control, (b) serum deprivation and (c) LiCl...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29663375/long-noncoding-rna-h19-mediates-lcor-to-impact-the-osteogenic-and-adipogenic-differentiation-of-mbmscs-in-mice-through-sponging-mir-188
#7
Yijun Wang, Wentao Liu, Yadong Liu, Jianli Cui, Zhiwei Zhao, Hui Cao, Zhuo Fu, Bin Liu
The research aimed to examine the expression of lncRNA H19, miR-188, and LCoR in mouse bone marrow stromal stem cells (mBMSCs), and to investigate the regulatory mechanism of lncRNA H19/miR-188/LCoR in osteogenic and adipogenic differentiation of mBMSCs. The expression of miR-188 in mBMSCs and osteogenesis induced mBMSCs was detected by stem-loop RT-PCR, while the expression of H19 and LCoR in mBMSCs and adipogenesis induced mBMSCs was examined by qRT-PCR. Luciferase reporter assay verified the targeted relationship between miR-188 and H19 or LCoR...
April 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29663271/regenerative-potential-and-inflammation-induced-secretion-profile-of-human-adipose-derived-stromal-vascular-cells-are-influenced-by-donor-variability-and-prior-breast-cancer-diagnosis
#8
Adrienne M Parsons, Deborah M Ciombor, Paul Y Liu, Eric M Darling
Adipose tissue contains a heterogeneous population of stromal vascular fraction (SVF) cells that work synergistically with resident cell types to enhance tissue healing. Ease of access and processing paired with therapeutic promise make SVF cells an attractive option for autologous applications in regenerative medicine. However, inherent variability in SVF cell therapeutic potential from one patient to another hinders prognosis determination for any one person. This study investigated the regenerative properties and inflammation responses of thirteen, medically diverse human donors...
April 16, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29662864/expression-of-adhesion-molecules-on-cd34-cells-from-steady-state-bone-marrow-before-and-after-mobilization-and-their-association-with-the-yield-of-cd34-cells
#9
Karin Zattar Cecyn, Eliza Y S Kimura, Dulce Marta S M Lima, Miyoko Yamamoto, José Orlando Bordin, José Salvador R de Oliveira
Background: Cell adhesion molecules (CAMs) expressed on hematopoietic progenitor cells (HPCs), endothelial cells, and stromal cells play a pivotal role in the mobilization of CD34+ cells. Herein, we conducted a non-randomized peripheral blood stem cell (PBSC) mobilization study aimed to compare the potential differences in the expressions of several CAMs and chemokines on CD34+ cells obtained from bone marrow aspirate before and after HPC mobilization from patients with hematologic malignancies and healthy donors...
March 2018: Blood Research
https://www.readbyqxmd.com/read/29660398/molecular-phenotypes-of-the-human-kidney-myoid-stromal-cells-telocytes-and-myoepithelial-cells
#10
M C Rusu, L Mogoantă, F Pop, M A Dobra
The connective stromal and epithelial compartments of the kidney have regenerative potential and phenotypic flexibility. A few studies have shown that cells appertaining to both compartments can exhibit myoid phenotypes. The purpose of our study was to investigate the myoid pattern of kidney and its association with the kidney niches containing stromal cells/telocytes (SC/TCs). We performed an immunohistochemical study using a panel of endothelial, myoid, mesenchymal and stem/progenitor markers, namely CD31, CD34, CD105 (endoglin), CD117/c-kit, nestin, desmin, α-smooth muscle actin (α-SMA) and the heavy chain of smooth muscle myosin (SMM)...
April 13, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29660375/the-secretome-of-adipose-derived-mesenchymal-stem-cells-protects-sh-sy5y-cells-from-arsenic-induced-toxicity-independent-of-a-neuron-like-differentiation-mechanism
#11
Theresa M Curtis, Joseph M Hannett, Rebecca M Harman, Nicholas A Puoplo, Gerlinde R Van de Walle
Arsenic exposure through contaminated food, water, and air causes irreversible neural damage and affects millions of people worldwide. Several studies have demonstrated that the secreted factors (secretome) from mesenchymal stromal/stem cells (MSCs) can promote neural recovery after several forms of injury including stroke and neurodegenerative diseases. The present study was conducted to determine if the secretome from adipose-derived MSCs (ADSCs) prevents arsenic damage to SH-SY5Y cells. To this end, human neuroblastoma cells (SH-SY5Y) were pre-treated with the secretome from ADSCs and then challenged with different concentrations of arsenic...
April 13, 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29659062/coacervation-mediated-combinatorial-synthesis-of-biomatrices-for-stem-cell-culture-and-directed-differentiation
#12
Robert Wieduwild, Richard Wetzel, Dejan Husman, Sophie Bauer, Iman El-Sayed, Sarah Duin, Priyanka Murawala, Alvin Kuriakose Thomas, Manja Wobus, Martin Bornhäuser, Yixin Zhang
Combinatorial screening represents a promising strategy to discover biomaterials for tailored cell culture applications. Although libraries incorporating different biochemical cues have been investigated, few simultaneously recapitulate relevant biochemical, physical, and dynamic features of the extracellular matrix (ECM). Here, a noncovalent system based on liquid-liquid phase separation (coacervation) and gelation mediated by glycosaminoglycan (GAG)-peptide interactions is reported. Multiple biomaterial libraries are generated using combinations of sulfated glycosaminoglycans and poly(ethylene glycol)-conjugated peptides...
April 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29659011/immune-system-augmentation-via-humanization-using-stem-progenitor-cells-and-bioengineering-in-a-breast-cancer-model-study
#13
Abbas Shafiee, Jacqui A McGovern, Christoph A Lahr, Christoph Meinert, Davide Moi, Ferdinand Wagner, Marietta Landgraf, Elena De-Juan-Pardo, Roberta Mazzieri, Dietmar W Hutmacher
Despite significant advances, most current in vivo models fail to fully recapitulate the biological processes that occur in humans. Here we aimed to develop an advanced humanized model with features of an organ bone by providing different bone tissue cellular compartments including pre-osteoblasts, mesenchymal stem/stromal (MSCs), endothelial and hematopoietic cells in an engineered microenvironment. The bone compartment was generated by culturing the human MSCs, umbilical vein endothelial cells with gelatin methacryloyl hydrogels in the centre of a melt-electrospun polycaprolactone tubular scaffolds which were seeded with human pre-osteoblasts...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29652604/an-engineered-human-adipose-collagen-model-for-in-vitro-breast-cancer-cell-migration-studies
#14
Robert David Hume, Lorraine Berry, Stefanie Reichelt, Michael D'Angelo, Jenny Gomm, Ruth Elizabeth Cameron, Christine Watson
Adipocytes are one of the major stromal cell components of the human breast. These cells play a key role in the development of the gland and are implicated in breast tumorigenesis. Frequently, directional stromal collagen I fibres are found surrounding aggressive breast tumours. These fibres enhance breast cancer cell migration and are associated with poor patient prognosis. We sought to recapitulate these stromal components in vitro to provide a 3D model comprising human adipose tissue and anisotropic collagen fibres...
March 8, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29651746/human-neural-stem-progenitor-cells-derived-from-epileptic-human-brain-in-a-self-assembling-peptide-nanoscaffold-improve-traumatic-brain-injury-in-rats
#15
Ali Jahanbazi Jahan-Abad, Sajad Sahab Negah, Hassan Hosseini Ravandi, Sedigheh Ghasemi, Maryam Borhani-Haghighi, Walter Stummer, Ali Gorji, Maryam Khaleghi Ghadiri
Traumatic brain injury (TBI) is a disruption in the brain functions following a head trauma. Cell therapy may provide a promising treatment for TBI. Among different cell types, human neural stem cells cultured in self-assembling peptide scaffolds have been suggested as a potential novel method for cell replacement treatment after TBI. In the present study, we accessed the effects of human neural stem/progenitor cells (hNS/PCs) derived from epileptic human brain and human adipose-derived stromal/stem cells (hADSCs) seeded in PuraMatrix hydrogel (PM) on brain function after TBI in an animal model of brain injury...
April 12, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29650045/characterization-of-the-interaction-between-human-decidua-parietalis-mesenchymal-stem-stromal-cells-and-natural-killer-cells
#16
M H Abumaree, E Bahattab, A Alsadoun, A Al Dosaimani, F M Abomaray, T Khatlani, B Kalionis, M F El-Muzaini, A O Alawad, A S AlAskar
BACKGROUND: Human decidua parietalis mesenchymal stem/multipotent stromal cells (DPMSCs) have unique phenotypic and functional properties that make them promising candidates for cell-based therapy. Here, we investigated DPMSC interaction with natural killer (NK) cells, and the effects of this interaction on NK cell phenotypic characteristics and functional activities. METHODS: DPMSCs isolated from the decidua parietalis of human fetal membranes were cultured with interleukin (IL)-2-activated and IL-2-unactivated NK cells isolated from healthy human peripheral blood...
April 12, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29649408/interferon-gamma-impairs-maintenance-and-alters-hematopoietic-support-of-bone-marrow-mesenchymal-stromal-cells
#17
Marieke Goedhart, Anne Cornelissen, Carlijn Kuijk, Sulima Geerman, Marion Kleijer, Jaap D van Buul, Stephan Huveneers, Marc Raaijmakers, Howard A Young, Monika C Wolkers, Carlijn Voermans, Martijn A Nolte
Bone marrow (BM) mesenchymal stromal cells (MSCs) provide micro-environmental support to hematopoietic stem and progenitor cells (HSPCs). Culture-expanded MSCs are interesting candidates for cellular therapies due to their immunosuppressive and regenerative potential which can be further enhanced by pre-treatment with interferon-gamma (IFN-γ). However, it remains unknown whether IFN-γ can also influence hematopoietic support by BM-MSCs. Here, we elucidate the impact of IFN-γ on the hematopoietic support of BM-MSCs...
March 12, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29645296/effects-of-jak1-2-inhibition-on-bone-marrow-stromal-cells-of-myeloproliferative-neoplasm-mpn-patients-and-healthy-individuals
#18
Dimitra Zacharaki, Roshanak Ghazanfari, Hongzhe Li, Hooi Ching Lim, Stefan Scheding
OBJECTIVE: Philadelphia-negative myeloproliferative neoplasms (MPNs) commonly share hyperactive JAK-STAT signaling affecting hematopoietic stem cells (HSC) and their progeny. The JAK1/2 inhibitor Ruxolitinib has remarkable clinical efficacy, including spleen reduction, improvement of constitutional symptoms, and bone marrow (BM) fibrosis reversal. Whether this is due to inhibition of JAK2-mutated HSC only, or whether Ruxolitinib also affects BM stroma is not known. METHODS: This study investigated potential effects of Ruxolitinib on BM mesenchymal stromal cells (MSC), which are not only major regulators of hematopoiesis but also contribute to fibrosis, from 10 healthy donors and 7 JAK2V617F -positive MPN patients...
April 12, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29643458/pro-inflammatory-cytokines-activate-hypoxia-inducible-factor-3%C3%AE-via-epigenetic-changes-in-mesenchymal-stromal-stem-cells
#19
Francesca Cuomo, Antonietta Coppola, Chiara Botti, Ciro Maione, Amalia Forte, Lucia Scisciola, Giuseppina Liguori, Ilaria Caiafa, Matilde Valeria Ursini, Umberto Galderisi, Marilena Cipollaro, Lucia Altucci, Gilda Cobellis
Human mesenchymal stromal/stem cells (hMSCs) emerged as a promising therapeutic tool for ischemic disorders, due to their ability to regenerate damaged tissues, promote angiogenesis and reduce inflammation, leading to encouraging, but still limited results. The outcomes in clinical trials exploring hMSC therapy are influenced by low cell retention and survival in affected tissues, partially influenced by lesion's microenvironment, where low oxygen conditions (i.e. hypoxia) and inflammation coexist. Hypoxia and inflammation are pathophysiological stresses, sharing common activators, such as hypoxia-inducible factors (HIFs) and NF-κB...
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29629885/jaw-bones-regeneration-using-mesenchymal-stem-cells-a-single-center-experience
#20
Walter Colangeli, Umberto Riccelli, Amerigo Giudice, Ida Barca, Davide Caruso, Daniela Novembre, Claudio Tortosa, Raffaella Cordaro, Maria Giulia Cristofaro
PURPOSE: Mesenchymal stem cells (MSC), which are multipotent stromal cells, are considered to be a promising resource in tissue engineering and tissue regeneration. MSCs have been used to generate new maxillary bone with clinically successful results. The aim of this study was to determine the role of MSC in bone regeneration procedures in patients with benign maxillary lesions. METHODS: A study was conducted on five patients treated for maxillary bone defects resulting from biopsy of benign lesions at the University Hospital of Magna Græcia, Catanzaro, Italy from January 2015 to October 2016...
2018: Annali Italiani di Chirurgia
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