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PubMed Journals Articles About "Progress Stem Cell Science Regenerative Medicine Angeles June" RSS

11:31 EDT 21st October 2019 | BioPortfolio

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Showing "Progress stem cell science regenerative medicine Angeles June" PubMed Articles 1–25 of 49,000+

Evaluation of the Capability of the Wharton's Jelly Mesenchymal Stem Cell Aggregates to Express the Markers of Three Germ Cell Lineages.

The ability of stem cells to differentiate into different cell types makes them a key component of healing damage in regenerative medicine. As human umbilical cord Wharton's jelly (HUCWJ) is available non-invasively, HUCWJ does not raise any ethical issues with higher differentiation potential compared to adult stem cells. With the ability to express embryonic stem cell markers, HUCWJ can be considered as a good candidate in regenerative medicine applications. The objective of this study was to find if thes...


Latest developments in the field of stem cell research and regenerative medicine compiled from publicly available information and press releases from nonacademic institutions in November 2018.

Fabricating retinal pigment epithelial cell sheets derived from human induced pluripotent stem cells in an automated closed culture system for regenerative medicine.

Regenerative medicine has received a lot of attention as a novel strategy for injuries and diseases that are difficult to cure using current techniques. Cell production, which is vital for regenerative medicine, has undergone remarkable progress via breakthroughs in developmental biology and tissue engineering; currently, cell production requires numerous experimental operators performing manual, small-scale cell cultures. Other major obstacles for cell production and regenerative medicine include the varia...


Stem cells-based and molecular-based approaches in regenerative dentistry: A topical review.

The regenerative medicine is a growing branch of medicine aimed to treat damaged or lost tissues, to promote tissue formation and to restore both aesthetics and function. In the last years, several scientific articles have been focused on the regenerative procedures aimed to increase the survival rate of compromised teeth; the most effective approaches have been based on molecular-based and on cellular-based protocols; however, to date, both these techniques have not been carefully analysed and discussed, t...

Will Nanotechnology Bring New Hope for Stem Cell Therapy?

The potential of stem cell therapy has been shown in preclinical trials for the treatment of damage and replacement of organs and degenerative diseases. After many years of research, its clinical application is limited. Currently there is not a single stem cell therapy product or procedure. Nanotechnology is an emerging field in medicine and has huge potential due to its unique characteristics such as its size, surface effects, tunnel effects, and quantum size effect. The importance of application of nanote...

CD146/MCAM distinguishes stem cell subpopulations with distinct migration and regenerative potential in degenerative intervertebral discs.

This study aimed to characterize the mesenchymal stem cell (MSC) subpopulation migrating towards a degenerated intervertebral disc (IVD) and to assess its regenerative potential.

CRISPR technologies for stem cell engineering and regenerative medicine.

CRISPR/Cas9 system exploits the concerted action of Cas9 nuclease and programmable single guide RNA (sgRNA), and has been widely used for genome editing. The Cas9 nuclease activity can be abolished by mutation to yield the catalytically deactivated Cas9 (dCas9). Coupling with the customizable sgRNA for targeting, dCas9 can be fused with transcription repressors to inhibit specific gene expression (CRISPR interference, CRISPRi) or fused with transcription activators to activate the expression of gene of inte...

Heterogeneity of Pulmonary Stem Cells.

Epithelial stem cells reside within multiple regions of the lung where they renew various region-specific cells. In addition, there are multiple routes of regeneration after injury through built-in heterogeneity within stem cell populations and through a capacity for cellular plasticity among differentiated cells. These processes are important facets of respiratory tissue resiliency and organism survival. However, this regenerative capacity is not limitless, and repetitive or chronic injuries, environmental...

Defining Human Pluripotency.

Human pluripotent stem cells harbor the capacity to differentiate into cells from the three embryonic germ layers, and this ability grants them a central role in modeling human disorders and in the field of regenerative medicine. Here, we review pluripotency in human cells with respect to four different aspects: (1) embryonic development, (2) transcriptomes of pluripotent cell stages, (3) genes and pathways that reprogram somatic cells into pluripotent stem cells, and finally (4) the recent identification o...

Endothelial Cell Development and Its Application to Regenerative Medicine.

The formation and remodeling of a functional circulatory system is critical for sustaining prenatal and postnatal life. During embryogenesis, newly differentiated endothelial cells require further specification to create the unique features of distinct vessel subtypes needed to support tissue morphogenesis. In this review, we explore signaling pathways and transcriptional regulators that modulate endothelial cell differentiation and specification, as well as applications of these processes to stem cell biol...

The cell in the ink: Improving biofabrication by printing stem cells for skeletal regenerative medicine.

Recent advances in regenerative medicine have confirmed the potential to manufacture viable and effective tissue engineering 3D constructs comprising living cells for tissue repair and augmentation. Cell printing has shown promising potential in cell patterning in a number of studies enabling stem cells to be precisely deposited as a blueprint for tissue regeneration guidance. Such manufacturing techniques, however, face a number of challenges including; (i) post-printing cell damage, (ii) proliferation imp...

Turning regenerative technologies into treatment to repair myocardial injuries.

Regenerative therapies including stem cell treatments hold promise to allow curing patients affected by severe cardiac muscle diseases. However, the clinical efficacy of stem cell therapy remains elusive, so far. The two key roadblocks that still need to be overcome are the poor cell engraftment into the injured myocardium and the limited knowledge of the ideal mixture of bioactive factors to be locally delivered for restoring heart function. Thus, therapeutic strategies for cardiac repair are directed to i...

Stem Cell-Conditioned Medium Promotes Graft Remodeling of Midsubstance and Intratunnel Incorporation After Anterior Cruciate Ligament Reconstruction in a Rat Model.

Stem cell-conditioned medium (CM) has been increasingly used in regenerative medicine. However, its effect on graft-host integration after anterior cruciate ligament (ACL) reconstruction (ACLR) remains unclear.

Concise Review: Mesenchymal Stromal Cell-Derived Extracellular Vesicles for Regenerative Therapy and Immune Modulation: Progress and Challenges Toward Clinical Application.

Extracellular vesicles (EVs) derived from mesenchymal stromal cells (MSCs) have emerged as a promising form of regenerative therapy and immune modulation. Fundamental advances in our understanding of MSCs and EVs have allowed these fields to merge and create potential cell-free therapy options that are cell-based. EVs contain active cargo including proteins, microRNA, and mRNA species that can impact signaling responses in target cells to modify inflammatory and repair responses. Increasing numbers of precl...

Regenerative medicine: the red planet for clinicians.

Regenerative medicine represents the forefront of health sciences and holds promises for the treatment and, possibly, the cure of a number of challenging conditions. It relies on the use of stem cells, tissue engineering, and gene therapy alone or in different combinations. The goal is to deliver cells, tissues, or organs to repair, regenerate, or replace the damaged ones. Among stem-cell populations, both haematopoietic and mesenchymal stem cells have been employed in the treatment of refractory chronic in...

Stem Cell Therapies for Inflammatory Bowel Disease.

Stem cell therapies have demonstrated safety and efficacy in the treatment of perianal Crohn's disease as compared to conventional therapy. Thus, an understanding of their place in the treatment algorithm for inflammatory bowel disease has become imperative as we move into an era of regenerative medicine.

Pluripotent Stem Cell-Based Therapeutics for Muscular Dystrophies.

Pluripotent stem cells (PSCs) represent an attractive cell source for treating muscular dystrophies (MDs) since they easily allow for the generation of large numbers of highly regenerative myogenic progenitors. Using reprogramming technology, patient-specific PSCs have been derived for several types of MDs, and genome editing has allowed correction of mutations, opening the opportunity for their therapeutic application in an autologous transplantation setting. However, there has been limited progress on pre...

Extracellular Vesicles as a Novel Therapeutic Tool for Cell-free Regenerative Medicine in Oral Rehabilitation.

Oral maxillofacial defects may always lead to complicated hard and soft tissue loss, including bone, nerve, blood vessels, teeth and skin, which are difficult to restore and severely influence the life quality of patients. Extracellular vesicles (EVs), including exosomes, microvesicles, and apoptotic bodies, are emerging as potential solutions for complex tissue regeneration through cell-free therapies. In this review, we highlight the functional roles of EVs in the regenerative medicine for oral maxillofac...

Pluripotent stem cell-derived organogenesis in the rat model system.

Rats make an excellent model system for studying xenotransplantation since, like mice pluripotent stem cell lines, such as embryonic stem cells and induced pluripotent stem cells as well as gene knock-outs are also available for rats, besides rats have larger organs. The emergence of new genome-editing tools combined with stem cell technology, has revolutionized biomedical research including the field of regenerative medicine. The aim of this manuscript is to provide an overview of the recent progresses in ...

Application of Ti C MXene Quantum Dots for Immunomodulation and Regenerative Medicine.

Inflammation is tightly linked to tissue injury. In regenerative medicine, immune activation plays a key role in rejection of transplanted stem cells and reduces the efficacy of stem cell therapies. Next-generation smart biomaterials are reported to possess multiple biologic properties for tissue repair. Here, the first use of 0D titanium carbide (Ti C ) MXene quantum dots (MQDs) for immunomodulation is presented with the goal of enhancing material-based tissue repair after injury. MQDs possess intrinsic im...

Potential of breastmilk in stem cell research.

Breastmilk is a dynamic, multi-faceted, and complex fluid containing a plethora of biochemical and cellular components that execute developmental effects or differentiation program, providing nourishment and immunity to newborns. Recently, it was reported that breastmilk contains a heterogeneous population of naïve cells, including pluripotent stem cells, multipotent stem cells, immune cells, and non-immune cells. The stem cells derived from breastmilk possess immune privilege and non-tumorigenic propertie...

Smelling Danger: Olfactory Stem Cells Control Immune Defense during Chronic Inflammation.

Neurogenesis is critical to continuously replacie olfactory neurons but is impaired during chronic inflammatory rhinosinusitis. In this issue of Cell Stem Cell, Chen et al. (2019) describe the inflammation-induced switching of olfactory stem cells from a regenerative phenotype to one participating in immune defense; this process contributes to deficient replacement of olfactory sensory neurons.

Space of Disse: a stem cell niche in the liver.

Recent evidence indicate that the plasticity of preexisting hepatocytes and bile duct cells is responsible for the appearance of intermediate progenitor cells capable to restore liver mass after injury without the need of a stem cell compartment. However, mesenchymal stem cells (MSC) exist in all organs and are associated with blood vessels which represent their perivascular stem cell niche. MSC are multipotent and can differentiate into several cell types and are known to support regenerative processes by ...

Single-Cell Transcriptomics Analyses of Neural Stem Cell Heterogeneity and Contextual Plasticity in a Zebrafish Brain Model of Amyloid Toxicity.

The neural stem cell (NSC) reservoir can be harnessed for stem cell-based regenerative therapies. Zebrafish remarkably regenerate their brain by inducing NSC plasticity in a Amyloid-β-42 (Aβ42)-induced experimental Alzheimer's disease (AD) model. Interleukin-4 (IL-4) is also critical for AD-induced NSC proliferation. However, the mechanisms of this response have remained unknown. Using single-cell transcriptomics in the adult zebrafish brain, we identify distinct subtypes of NSCs and neurons and different...

Three-Dimensional Culture of Mouse Spermatogonial Stem Cells Using A Decellularised Testicular Scaffold.

Applications of biological scaffolds for regenerative medicine are increasing. Such scaffolds improve cell attachment, migration, proliferation and differentiation. In the current study decellularised mouse whole testis was used as a natural 3 dimensional (3D) scaffold for culturing spermatogonial stem cells.


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