Clayton, Shannon M Archard, Joehleen A Wagner, Joseph Farwell, D Gregory Bewley, Arnaud F Beliveau, Angela Birkeland, Andrew Rao, Shyam Abouyared, Marianne Belafsky, Peter C
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Head and neck squamous cell carcinomas (HNSCCs) are malignancies that originate in the mucosal lining of the upper aerodigestive tract. Despite advances in therapeutic interventions, survival rates among HNSCC patients have remained static for years. Cancer stem cells (CSCs) are tumor-initiating cells that are highly resistant to treatment, and are...
Lucero, Rocco Zappulli, Valentina Sammarco, Alessandro Murillo, Oscar D Cheah, Pike See Srinivasan, Srimeenakshi Tai, Eric Ting, David T Wei, Zhiyun Roth, Matthew E
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Glioblastoma (GBM) is characterized by aberrant vascularization and a complex tumor microenvironment. The failure of anti-angiogenic therapies suggests pathways of GBM neovascularization, possibly attributable to glioblastoma stem cells (GSCs) and their interplay with the tumor microenvironment. It has been established that GSC-derived extracellula...
Limbad, Chandani Oron, Tal Ronnen Alimirah, Fatouma Davalos, Albert R Tracy, Tara E Gan, Li Desprez, Pierre-Yves Campisi, Judith
Neurodegeneration is a major age-related pathology. Cognitive decline is characteristic of patients with Alzheimer's and related dementias and cancer patients after chemo- or radio-therapies. A recently emerged driver of these and other age-related pathologies is cellular senescence, a cell fate that entails a permanent cell cycle arrest and pro-in...
Elahi, Fanny M Farwell, D Gregory Nolta, Jan A Anderson, Johnathon D
Exosomes are nanovesicles secreted by virtually all cells. Exosomes mediate the horizontal transfer of various macromolecules previously believed to be cell-autonomous in nature, including nonsecretory proteins, various classes of RNA, metabolites, and lipid membrane-associated factors. Exosomes derived from mesenchymal stem/stromal cells (MSCs) ap...
Zhu, Yanni Smith, Drake J Zhou, Yang Li, Yan-Ruide Yu, Jiaji Lee, Derek Wang, Yu-Chen Di Biase, Stefano Wang, Xi Hardoy, Christian
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Invariant natural killer T (iNKT) cells are potent immune cells for targeting cancer; however, their clinical application has been hindered by their low numbers in cancer patients. Here, we developed a proof-of-concept for hematopoietic stem cell-engineered iNKT (HSC-iNKT) cell therapy with the potential to provide therapeutic levels of iNKT cells ...
Jang, Jiwon Han, Dasol Golkaram, Mahdi Audouard, Morgane Liu, Guojing Bridges, Daniel Hellander, Stefan Chialastri, Alex Dey, Siddharth S Petzold, Linda R
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The link between single-cell variation and population-level fate choices lacks a mechanistic explanation despite extensive observations of gene expression and epigenetic variation among individual cells. Here, we found that single human embryonic stem cells (hESCs) have different and biased differentiation potentials toward either neuroectoderm or ...
Gupta, Nalin Henry, Roland G Kang, Sang-Mo Strober, Jonathan Lim, Daniel A Ryan, Tamara Perry, Rachel Farrell, Jody Ulman, Mary Rajalingam, Raja
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Four boys with Pelizaeus-Merzbacher disease, an X-linked leukodystrophy, underwent transplantation with human allogeneic central nervous system stem cells (HuCNS-SC). Subsequently, all subjects were followed for an additional 4 years in this separate follow-up study to evaluate safety, neurologic function, magnetic resonance imaging (MRI) data, and...
Taechangam, Nopmanee Iyer, Smita S Walker, Naomi J Arzi, Boaz Borjesson, Dori L
BackgroundFeline adipose-derived mesenchymal stem cells (ASCs) have been successfully used in clinical trials for the treatment of immune-mediated diseases with T cell dysregulation. However, the immunomodulatory pathways utilized by feline ASCs to suppress T cell activation have not been fully determined. We investigated the mechanisms used by fel...
Showalter, Megan R Wancewicz, Benjamin Fiehn, Oliver Archard, Joehleen A Clayton, Shannon Wagner, Joseph Deng, Peter Halmai, Julian Fink, Kyle D Bauer, Gerhard
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Mesenchymal stem cell (MSC) based therapies are currently being evaluated as a putative therapeutic in numerous human clinical trials. Recent reports have established that exosomes mediate much of the therapeutic properties of MSCs. Exosomes are nanovesicles which mediate intercellular communication, transmitting signals between cells which regulat...
Hollerer, Ina Barker, Juliet C Jorgensen, Victoria Tresenrider, Amy Dugast-Darzacq, Claire Chan, Leon Y Darzacq, Xavier Tjian, Robert Ünal, Elçin Brar, Gloria A
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We recently described an unconventional mode of gene regulation in budding yeast by which transcriptional and translational interference collaborate to down-regulate protein expression. Developmentally timed transcriptional interference inhibited production of a well translated mRNA isoform and resulted in the production of an mRNA isoform containi...