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Stem Cell Reviews

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https://www.readbyqxmd.com/read/28918528/signaling-of-the-complement-cleavage-product-anaphylatoxin-c5a-through-c5ar-cd88-contributes-to-pharmacological-hematopoietic-stem-cell-mobilization
#1
Kamila Bujko, Sylwia Rzeszotek, Kai Hoehlig, Jun Yan, Axel Vater, Mariusz Z Ratajczak
Several mechanisms have been postulated for orchestrating the mobilization of hematopoietic stem/progenitor cells (HSPCs), and we previously proposed that activation of the complement cascade plays a crucial role in the initiation and execution of the egress of HSPCs from bone marrow (BM) into peripheral blood (PB). In support of this notion, we demonstrated that mice deficient in the mannan-binding lectin (MBL) pathway, which activates the proximal part of the complement cascade, as well as mice deficient in the fifth component of the complement cascade (C5), which is part of the distal part of the complement cascade, are poor mobilizers...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28918520/derivation-of-human-induced-pluripotent-stem-cell-ipsc-lines-and-mechanism-of-pluripotency-historical-perspective-and-recent-advances
#2
REVIEW
Arvind Chhabra
Derivation of human embryonic stem cell (hES) lines in 1998 was not only a major technological breakthrough in the field of regenerative medicine; it also triggered a passionate debate about the ethical issues associated with the utilization of human embryos for derivation of hESC lines. Successful derivation of induced pluripotent stem cell (iPS) lines from human somatic cells with defined reprogramming factors by Shinya Yamanaka`s group in 2007 was another breakthrough that generated enormous excitement and hope for the development of donor-specific personalized cell replacement therapies (CRT) without the ethical dilemma associated with it...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28918518/micro-rna-profiling-of-exosomes-from-marrow-derived-mesenchymal-stromal-cells-in-patients-with-acute-myeloid-leukemia-implications-in-leukemogenesis
#3
Juliana Barrera-Ramirez, Jessie R Lavoie, Harinad B Maganti, William L Stanford, Caryn Ito, Mitchell Sabloff, Marjorie Brand, Michael Rosu-Myles, Yevgeniya Le, David S Allan
Gene regulatory networks in AML may be influenced by microRNAs (miRs) contained in exosomes derived from bone marrow mesenchymal stromal cells (MSCs). We sequenced miRs from exosomes isolated from marrow-derived MSCs from patients with AML (n = 3) and from healthy controls (n = 3; not age-matched). Known targets of mIRs that were significantly different in AML-derived MSC exosomes compared to controls were identified. Of the five candidate miRs identified by differential packaging in exosomes, only miR-26a-5p and miR-101-3p were significantly increased in AML-derived samples while miR-23b-5p, miR-339-3p and miR-425-5p were significantly decreased...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28918474/induction-of-immunogenic-cell-death-in-lymphoma-cells-by-wharton-s-jelly-mesenchymal-stem-cell-conditioned-medium
#4
Daniel Hao Lin, Arijit Biswas, Mahesh Choolani, Chui-Yee Fong, Ariff Bongso
Strategies that induce immunogenic cell death (ICD) or downregulate CD47 or PD-L1 expression have resulted in successful therapeutic options for tumor eradication. Several groups have reported the tumoricidal effects of human umbilical cord Wharton's jelly stem cells (hWJSCs) or its conditioned medium (hWJSC-CM) on certain cancers but the mechanisms have not been elucidated. Since hWJSCs possess immunomodulatory properties, we investigated whether one of the tumoricidal mechanisms was via ICD. We first concentrated hWJSC-CM into a 3 kDa concentrate and then exposed various concentrations of this concentrate to human lymphoma cells to find out which concentration had the greatest tumoricidal effect...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28884412/mesenchymal-stem-cells-mscs-therapy-for-recovery-of-fertility-a-systematic-review
#5
REVIEW
Zahra Fazeli, Atieh Abedindo, Mir Davood Omrani, Sayyed Mohammad Hossein Ghaderian
In recent years, the mesenchymal stem cells (MSCs) have provided the new opportunities to treat different disorders including infertility. Different studies have suggested that the MSCs have ability to differentiate into germ-like cells under specific induction conditions as well as transplantation to gonadal tissues. The aim of this systematic review was to evaluate the results obtained from different studies on MSCs therapy for promoting fertility. This search was done in PubMed and Science Direct databases using key words MSCs, infertility, therapy, germ cell, azoospermia, ovarian failure and mesenchymal stem cell...
September 7, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28884292/the-advancement-of-biomaterials-in-regulating-stem-cell-fate
#6
REVIEW
Vun Vun Hiew, Siti Fatimah Binti Simat, Peik Lin Teoh
Stem cells are well-known to have prominent roles in tissue engineering applications. Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) can differentiate into every cell type in the body while adult stem cells such as mesenchymal stem cells (MSCs) can be isolated from various sources. Nevertheless, an utmost limitation in harnessing stem cells for tissue engineering is the supply of cells. The advances in biomaterial technology allows the establishment of ex vivo expansion systems to overcome this bottleneck...
September 7, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28852997/the-regulatory-role-of-ifn-%C3%AE-on-the-proliferation-and-differentiation-of-hematopoietic-stem-and-progenitor-cells
#7
REVIEW
Yuhong Qin, Cai Zhang
The replenishment of all blood cell lineages is hierarchically organized by the process of hematopoiesis, which is based on the differentiation pathways of hematopoietic stem and progenitor cells (HSPCs). Due to the ability to balance between self-renewal and differentiation, hematopoietic stem cells (HSCs) can generate the appropriate cell type that is required by the immune system and peripheral blood in response to physiological or pathological conditions. Numerous studies have shown that some proinflammatory cytokines contribute to the regulation of the various hematopoietic compartments...
August 29, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28849333/novel-view-on-umbilical-cord-blood-and-maternal-peripheral-blood-an-evidence-for-an-increase-in-the-number-of-circulating-stem-cells-on-both-sides-of-the-fetal-maternal-circulation-barrier
#8
Katarzyna Sielatycka, Agata Poniewierska-Baran, Karolina Nurek, Andrzej Torbé, Mariusz Z Ratajczak
Umbilical cord blood (UCB) is a rich source of stem cells, including hematopoietic stem cells (HSCs), mesenchymal stem cells (MSCs), endothelial progenitors cells (EPCs), and very small embryonic-like stem cells (VSELs). These cells most likely are mobilized into UCB in response to hypoxia and delivery stress. We have hypothesized that they may play a role in repairing certain tissue/organ injuries that occur in the newborn child after delivery. Here we asked whether delivery also mobilizes stem cells into maternal blood, as the mother also experiences hypoxia and several types of internal tissue injuries, particularly in the reproductive tract...
August 29, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28815481/gene-delivery-approaches-for-mesenchymal-stem-cell-therapy-strategies-to-increase-efficiency-and-specificity
#9
REVIEW
Gopi Suresh Oggu, Shyama Sasikumar, Nirosha Reddy, Kranthi Kiran Reddy Ella, Ch Mohan Rao, Kiran Kumar Bokara
A significant number of clinical trials have been undertaken to explore the use of mesenchymal stem cells (MSCs) for the treatment of several diseases such as Crohn's disease, diabetes, bone defects, myocardial infarction, stroke etc., Due to their efficiency in homing to the tissue injury sites, their differentiation potential, the capability to secrete a large amount of trophic factors and their immunomodulatory effects, MSCs are becoming increasingly popular and expected to be one of the promising therapeutic approaches...
August 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28815441/pluripotent-stem-cells-in-adult-tissues-struggling-to-be-acknowledged-over-two-decades
#10
REVIEW
Deepa Bhartiya
Stem cells have fascinated scientists for a long time and huge research efforts have been put into them as they have the potential to regenerate diseased organs. Besides embryonic stem cells (ES) and induced pluripotent stem cells (iPS), it has been postulated that pluripotent stem cells (PSCs) may also exist in various adult tissues. They are thought to be more primitive than the adult stem cells (ASCs), serve as a backup pool to give rise to ASCs and thus play a crucial role in maintaining life-long homeostasis...
August 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28812219/eminent-sources-of-adult-mesenchymal-stem-cells-and-their-therapeutic-imminence
#11
REVIEW
Dannie Macrin, Joel P Joseph, Aruthra Arumugam Pillai, Arikketh Devi
In the recent times, stem cell biology has garnered the attention of the scientific fraternity and the general public alike due to the immense therapeutic potential that it holds in the field of regenerative medicine. A breakthrough in this direction came with the isolation of stem cells from human embryo and their differentiation into cell types of all three germ layers. However, the isolation of mesenchymal stem cells from adult tissues proved to be advantageous over embryonic stem cells due to the ethical and immunological naivety...
August 15, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28795363/fibroblast-growth-factor-type-1-fgf1-overexpressed-adipose-derived-mesenchaymal-stem-cells-ad-msc-fgf1-induce-neuroprotection-and-functional-recovery-in-a-rat-stroke-model
#12
Hamed Ghazavi, Seyed Javad Hoseini, Alireza Ebrahimzadeh-Bideskan, Baratali Mashkani, Soghra Mehri, Ahmad Ghorbani, Kayvan Sadri, Elahe Mahdipour, Faezeh Ghasemi, Fatemeh Forouzanfar, Azar Hoseini, Ali Reza Pasdar, Hamid Reza Sadeghnia, Majid Ghayour-Mobarhan
Stroke, as the second most common cause of death, imposes a great financial burden on both the individual and society. Mesenchymal stem cells from rodents have demonstrated efficacy in experimental animal models of stroke due to enhanced neurological recovery. Since FGF1 (fibroblast growth factor 1) displays neuroprotective properties, for the first time, we investigated the effect of acute intravenous administration of FGF1 gene transfected adipose-derived mesenchymal stem cell (AD-MSC(FGF1)) on transient experimental ischemic stroke in rats...
August 9, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28780695/quantitative-multimodal-evaluation-of-passaging-human-neural-crest-stem-cells-for-peripheral-nerve-regeneration
#13
Jian Du, Huanwen Chen, Kailiang Zhou, Xiaofeng Jia
Peripheral nerve injury is a major burden to societies worldwide, however, current therapy options (e.g. autologous nerve grafts) are unable to produce satisfactory outcomes. Many studies have shown that stem cell transplantation holds great potential for peripheral nerve repair, and human neural crest stem cells (hNCSCs), which give rise to a variety of tissues in the peripheral nervous system, are particularly promising. NCSCs are one of the best candidates for clinical translation, however, to ensure the viability and quality of NCSCs for research and clinical use, the effect of in vitro cell passaging on therapeutic effects needs be evaluated given that passaging is required to expand NCSCs to meet the demands of transplantation in preclinical research and clinical trials...
August 5, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28766102/a-new-chapter-for-mesenchymal-stem-cells-decellularized-extracellular-matrices
#14
REVIEW
Yagiz Anasiz, Riza Koksal Ozgul, Duygu Uckan-Cetinkaya
From orthopedic to neurological disorders, stem cells are used as platforms to understand disease mechanisms and considered as novel and promising treatment options, especially when the valid therapeutic approaches are unavailable or ineffective. There are different stem cell types in the literature, however the spindle-shaped, colony forming and multilineage-differentiating cells, also known as mesenchymal stem cells (MSC) are very popular, as MSC can be isolated from different tissues with minimal ethical concerns and without tumor formations, which make them easily accessible and widely used in vitro and in vivo studies...
August 1, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28733800/steroid-mediated-decrease-in-blood-mesenchymal-stem-cells-in-liver-transplant-could-impact-long-term-recovery
#15
Nykia D Walker, Yasmine Mourad, Katherine Liu, Michael Buxhoeveden, Catherine Schoenberg, Jean D Eloy, Dorian J Wilson, Lloyd G Brown, Andrei Botea, Faraz Chaudhry, Steven J Greco, Nicholas M Ponzio, Nikolaos Pyrsopoulos, Baburao Koneru, Yuriy Gubenko, Pranela Rameshwar
Orthotopic liver transplant (OLT) remains the standard of care for end stage liver disease. To circumvent allo-rejection, OLT subjects receive gluococorticoids (GC). We investigated the effects of GC on endogenous mesenchymal stem (stromal) cells (MSCs) in OLT. This question is relevant because MSCs have regenerative potential and immune suppressor function. Phenotypic analyses of blood samples from 12 OLT recipients, at pre-anhepatic, anhepatic and post-transplant (2 h, Days 1 and 5) indicated a significant decrease in MSCs after GC injection...
July 21, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28730556/stem-cell-derived-retinal-pigment-epithelium-the-role-of-pigmentation-as-maturation-marker-and-gene-expression-profile-comparison-with-human-endogenous-retinal-pigment-epithelium
#16
A Bennis, J G Jacobs, L A E Catsburg, J B Ten Brink, C Koster, R O Schlingemann, J van Meurs, T G M F Gorgels, P D Moerland, V M Heine, A A Bergen
In age-related macular degeneration (AMD) the retinal pigment epithelium (RPE) deteriorates, leading to photoreceptor decay and severe vision loss. New therapeutic strategies aim at RPE replacement by transplantation of pluripotent stem cell (PSC)-derived RPE. Several protocols to generate RPE have been developed where appearance of pigmentation is commonly used as indicator of RPE differentiation and maturation. It is, however, unclear how different pigmentation stages reflect developmental stages and functionality of PSC-derived RPE cells...
July 21, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28721683/mesenchymal-stem-progenitor-cells-derived-from-articular-cartilage-synovial-membrane-and-synovial-fluid-for-cartilage-regeneration-current-status-and-future-perspectives
#17
REVIEW
Yi-Zhou Huang, Hui-Qi Xie, Antonietta Silini, Ornella Parolini, Yi Zhang, Li Deng, Yong-Can Huang
Large articular cartilage defects remain an immense challenge in the field of regenerative medicine because of their poor intrinsic repair capacity. Currently, the available medical interventions can relieve clinical symptoms to some extent, but fail to repair the cartilaginous injuries with authentic hyaline cartilage. There has been a surge of interest in developing cell-based therapies, focused particularly on the use of mesenchymal stem/progenitor cells with or without scaffolds. Mesenchymal stem/progenitor cells are promising graft cells for tissue regeneration, but the most suitable source of cells for cartilage repair remains controversial...
July 18, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28710685/pericytes-extend-survival-of-als-sod1-mice-and-induce-the-expression-of-antioxidant-enzymes-in-the-murine-model-and-in-ipscs-derived-neuronal-cells-from-an-als-patient
#18
Giuliana Castello Coatti, Miriam Frangini, Marcos C Valadares, Juliana Plat Gomes, Natalia O Lima, Natale Cavaçana, Amanda F Assoni, Mayra V Pelatti, Alexander Birbrair, Antonio Carlos Pedroso de Lima, Julio M Singer, Francisco Marcelo M Rocha, Giovani Loiola Da Silva, Mario Sergio Mantovani, Lucia Inês Macedo-Souza, Merari F R Ferrari, Mayana Zatz
Amyotrophic Lateral Sclerosis (ALS) is one of the most common adult-onset motor neuron disease causing a progressive, rapid and irreversible degeneration of motor neurons in the cortex, brain stem and spinal cord. No effective treatment is available and cell therapy clinical trials are currently being tested in ALS affected patients. It is well known that in ALS patients, approximately 50% of pericytes from the spinal cord barrier are lost. In the central nervous system, pericytes act in the formation and maintenance of the blood-brain barrier, a natural defense that slows the progression of symptoms in neurodegenerative diseases...
July 14, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28669077/lung-as-a-niche-for-hematopoietic-progenitors
#19
Isabella Borges, Isadora Sena, Patrick Azevedo, Julia Andreotti, Viviani Almeida, Ana Paiva, Gabryella Santos, Daniel Guerra, Pedro Prazeres, Luiza Lousado Mesquita, Luanny Souto de Barros Silva, Caroline Leonel, Akiva Mintz, Alexander Birbrair
Platelets are released from megakaryocytes. The bone marrow has been proposed to be the major site where this process occurs. Lefrançais et al. (2017) using state-of-the-art techniques including two-photon microscopy, in vivo lineage-tracing technologies, and sophisticated lung transplants reveal that the lung is also a primary site for platelet biogenesis. Strikingly, lung megakaryocytes can completely reconstitute platelet counts in the blood in mice with thrombocytopenia. This study also shows that hematopoietic progenitors, with capacity to repopulate the bone marrow after irradiation, are present in the lungs...
July 1, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28239758/acellular-mouse-kidney-ecm-can-be-used-as-a-three-dimensional-substrate-to-test-the-differentiation-potential-of-embryonic-stem-cell-derived-renal-progenitors
#20
Manpreet Sambi, Theresa Chow, Jennifer Whiteley, Mira Li, Shawn Chua, Vanessa Raileanu, Ian M Rogers
The development of strategies for tissue regeneration and bio-artificial organ development is based on our understanding of embryogenesis. Differentiation protocols attempt to recapitulate the signaling modalities of gastrulation and organogenesis, coupled with cell selection regimens to isolate the cells of choice. This strategy is impeded by the lack of optimal in vitro culture systems since traditional culture systems do not allow for the three-dimensional interaction between cells and the extracellular matrix...
August 2017: Stem Cell Reviews
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