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Regenerative injection therapy

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https://www.readbyqxmd.com/read/28632772/characterization-of-slow-cycling-cells-in-the-mouse-cochlear-lateral-wall
#1
Yang Li, Kotaro Watanabe, Masato Fujioka, Kaoru Ogawa
Cochlear spiral ligament fibrocytes (SLFs) play essential roles in the physiology of hearing including ion recycling and the generation of endocochlear potential. In adult animals, SLFs can repopulate after damages, yet little is known about the characteristics of proliferating cells that support SLFs' self-renewal. Here we report in detail about the characteristics of cycling cells in the spiral ligament (SL). Fifteen P6 mice and six noise-exposed P28 mice were injected with 5-bromo-2'-deoxyuridine (BrdU) for 7 days and we chased BrdU retaining cells for as long as 60 days...
2017: PloS One
https://www.readbyqxmd.com/read/28623695/injectable-cytocompatible-elastic-free-radical-scavenging-and-electroconductive-hydrogel-for-cardiac-cell-encapsulation
#2
Remya Komeri, Jayabalan Muthu
The injectable electroconductive hydrogels are desirable for the regenerative therapy of electroresponsive tissues like heart. With the present electroconductive hydrogels, the issues of cytotoxicity, biodegradability, and diffusion of the conductive element and poor water solubility limit their applications. Here, electroconductive injectable single component hydrogels, PANIE-P/PEGDA and PANIS-P/PEGDA, are prepared with fumarate-co-PEG-co-sebacate comacromer conjugated with non-sulfonated/sulfonated polyaniline and PEGDA...
June 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28621916/construction-of-anterior-hemi-corneal-equivalents-using-nontransfected-human-corneal-cells-and-transplantation-in-dog-models
#3
Bin Xu, Zhan Song, Tingjun Fan
Tissue-engineered human anterior hemi-cornea (TE-aHC) is a promising equivalent for treating anterior lamellar keratopathy to surmount the severe shortage of donated corneas. This study was intended to construct a functional TE-aHC with nontransfected human corneal stromal (ntHCS) and epithelial (ntHCEP) cells using acellular porcine corneal stromata (aPCS) as a carrier scaffold, and evaluate its biological functions in a dog model. To construct a TE-aHC, ntHCS cells were injected into an aPCS scaffold and cultured for 3 days; then, ntHCEP cells were inoculated onto the Bowman's membrane of the scaffold and cultured for 5 days under air-liquid interface condition...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28618138/expansion-of-umbilical-cord-blood-aldehyde-dehydrogenase-expressing-cells-generates-myeloid-progenitor-cells-that-stimulate-limb-revascularization
#4
David M Putman, Tyler T Cooper, Stephen E Sherman, Ayesh K Seneviratne, Mark Hewitt, Gillian I Bell, David A Hess
Uncompromised by chronic disease-related comorbidities, human umbilical cord blood (UCB) progenitor cells with high aldehyde dehydrogenase activity (ALDH(hi) cells) stimulate blood vessel regeneration after intra-muscular transplantation. However, implementation of cellular therapies using UCB ALDH(hi) cells for critical limb ischemia, the most severe form of severe peripheral artery disease, is limited by the rarity (<0.5%) of these cells. Our goal was to generate a clinically-translatable, allogeneic cell population for vessel regenerative therapies, via ex vivo expansion of UCB ALDH(hi) cells without loss of pro-angiogenic potency...
June 15, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28574594/a-novel-protein-engineered-hepatocyte-growth-factor-analog-released-via-a-shear-thinning-injectable-hydrogel-enhances-post-infarction-ventricular-function
#5
Amanda N Steele, Lei Cai, Vi N Truong, Bryan B Edwards, Andrew B Goldstone, Anahita Eskandari, Aaron C Mitchell, Laura M Marquardt, Abbygail A Foster, Jennifer R Cochran, Sarah C Heilshorn, Y Joseph Woo
In the last decade, numerous growth factors and biomaterials have been explored for the treatment of myocardial infarction (MI). While pre-clinical studies have demonstrated promising results, clinical trials have been disappointing and inconsistent, likely due to poor translatability. In the present study, we investigate a potential myocardial regenerative therapy consisting of a protein-engineered dimeric fragment of hepatocyte growth factor (HGFdf) encapsulated in a shear-thinning, self-healing, bioengineered hydrogel (SHIELD)...
June 2, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28560782/benefit-of-cardiopoietic-mesenchymal-stem-cell-therapy-on-left-ventricular-remodelling-results-from-the-congestive-heart-failure-cardiopoietic-regenerative-therapy-chart-1-study
#6
John R Teerlink, Marco Metra, Gerasimos S Filippatos, Beth A Davison, Jozef Bartunek, Andre Terzic, Bernard J Gersh, Thomas J Povsic, Timothy D Henry, Bertrand Alexandre, Christian Homsy, Christopher Edwards, Aymeric Seron, William Wijns, Gad Cotter
AIMS: Left ventricular (LV) reverse remodelling is an important marker of improved outcomes in patients with advanced heart failure (HF). We examined the impact of the intramyocardial administration of bone-marrow-derived, lineage-directed, autologous cardiopoietic mesenchymal stem cells (C3BS-CQR-1) on LV remodelling in patients with advanced HF enrolled in the CHART-1 study. METHODS AND RESULTS: Patients (n=351) with symptomatic advanced HF secondary to ischaemic heart disease, and reduced LV ejection fraction (LVEF <35%) were randomized to receive C3BS-CQR-1 or a sham procedure...
May 31, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28543406/novel-murine-xenograft-model-for-the-evaluation-of-stem-cell-therapy-for-profound-dysphagia
#7
Maggie A Kuhn, Amanda B Black, M Tausif Siddiqui, Jan A Nolta, Peter C Belafsky
OBJECTIVES/HYPOTHESIS: Dysphagia is common and costly. Treatments are limited and innovative therapies are required. The tongue is essential for safe, effective swallowing and is a natural target for regenerative therapy. Muscle-derived stem cells (MDSCs) hold potential to restore dynamic function, and their application in the damaged tongue is appealing. We examined the safety and efficacy of human MDSC implantation into a novel mouse tongue model. STUDY DESIGN: Animal study...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28532899/nanodiamond-based-injectable-hydrogel-for-sustained-growth-factor-release-preparation-characterization-and-in-vitro-analysis
#8
Settimio Pacelli, Francisca Acosta, Aparna R Chakravarti, Saheli G Samanta, Jonathan Whitlow, Saman Modaresi, Rafeeq P H Ahmed, Johnson Rajasingh, Arghya Paul
Nanodiamonds (NDs) represent an emerging class of carbon nanomaterials that possess favorable physical and chemical properties to be used as multifunctional carriers for a variety of bioactive molecules. Here we report the synthesis and characterization of a new injectable ND-based nanocomposite hydrogel which facilitates a controlled release of therapeutic molecules for regenerative applications. In particular, we have formulated a thermosensitive hydrogel using gelatin, chitosan and NDs that provides a sustained release of exogenous human vascular endothelial growth factor (VEGF) for wound healing applications...
May 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28502796/in-vivo-reprogramming-for-heart-regeneration-a-glance-at-efficiency-environmental-impacts-challenges-and-future-directions
#9
REVIEW
Behnam Ebrahimi
Replacing dying or diseased cells of a tissue with new ones that are converted from patient's own cells is an attractive strategy in regenerative medicine. In vivo reprogramming is a novel strategy that can circumvent the hurdles of autologous/allogeneic cell injection therapies. Interestingly, studies have demonstrated that direct injection of cardiac transcription factors or specific miRNAs into the infarct border zone of murine hearts following myocardial infarction converts resident cardiac fibroblasts into functional cardiomyocytes...
May 11, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28484944/prolotherapy-for-osteoarthritis-and-tendinopathy-a-descriptive-review
#10
REVIEW
David Rabago, Bobby Nourani
PURPOSE OF REVIEW: Osteoarthritis and overuse tendinopathy are common chronic conditions of high societal and patient burden. The precise etiology of pain and disability in both conditions is multifactorial and not well understood. Patients are often refractory to conservative therapy. The development of new therapeutic options in both conditions is a public health priority. Prolotherapy is an injection-based outpatient regenerative therapy for chronic musculoskeletal conditions, including osteoarthritis and tendinopathy...
June 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28471303/bone-marrow-derived-mesenchymal-stem-cells-as-autologous-therapy-in-dogs-with-naturally-occurring-intervertebral-disc-disease-feasibility-safety-and-preliminary-results
#11
Frank Steffen, Lucas Smolders, Anne Roentgen, Alessandro Bertolo, Jivko Stoyanov
The intradiscal application of mesenchymal stem cells (MSC) is considered a promising strategy for intervertebral disc (IVD) regeneration. Although many studies have been published, the feasibility and regenerative effects of intradiscal MSC application has not been evaluated in an animal model suffering from naturally occurring degenerative disc disease. Six German Shepherd Dogs suffering from naturally occurring degenerative IVD disease were included. Autologous MSC were isolated from bone marrow (iliac crest) and cultured for 3 weeks...
May 4, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28460880/transdifferentiation-and-reprogramming-overview-of-the-processes-their-similarities-and-differences
#12
REVIEW
Artur Cieślar-Pobuda, Viktoria Knoflach, Mikael V Ringh, Joachim Stark, Wirginia Likus, Krzysztof Siemianowicz, Saeid Ghavami, Andrzej Hudecki, Jason L Green, Marek J Łos
Reprogramming, or generation of induced pluripotent stem (iPS) cells (functionally similar to embryonic stem cells or ES cells) by the use of transcription factors (typically: Oct3/4, Sox2, c-Myc, Klf4) called "Yamanaka factors" (OSKM), has revolutionized regenerative medicine. However, factors used to induce stemness are also overexpressed in cancer. Both, ES cells and iPS cells cause teratoma formation when injected to tissues. This raises a safety concern for therapies based on iPS derivates. Transdifferentiation (lineage reprogramming, or -conversion), is a process in which one mature, specialized cell type changes into another without entering a pluripotent state...
April 28, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28447974/3d-whole-heart-myocardial-tissue-analysis
#13
Hans Thijs Van den Broek, Leon De Jong, Pieter A Doevendans, Steven A J Chamuleau, Frebus J Van Slochteren, René Van Es
Cardiac regenerative therapies aim to protect and repair the injured heart in patients with ischemic heart disease. By injecting stem cells or other biologicals that enhance angio- or vasculogenesis into the infarct border zone (IBZ), tissue perfusion is improved, and the myocardium can be protected from further damage. For maximum therapeutic effect, it is hypothesized that the regenerative substance is best delivered to the IBZ. This requires accurate injections and has led to the development of new injection techniques...
April 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28432571/cell-therapy-for-type-1-diabetes-current-and-future-strategies
#14
REVIEW
Yasaman Aghazadeh, Maria Cristina Nostro
PURPOSE OF THE REVIEW: Type 1 diabetes (T1D) is defined by an autoimmune destruction of insulin producing β-cells located in the endocrine part of the pancreas, the islets of Langerhans. As exogenous insulin administration fails at preventing severe complications associated with this disease, cell replacement therapies are being considered as a means to treat T1D. The purpose of this manuscript is to review the challenges associated with current strategies and discuss the potential of stem cell therapy for the treatment of T1D...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28430345/healing-response-of-rat-pulp-treated-with-an-injectable-keratin-hydrogel
#15
Lavanya Ajay Sharma, Robert M Love, Mohammad A Ali, Ajay Sharma, Soraia Macari, Avadhoot Avadhani, George J Dias
BACKGROUND: Keratin has shown promising outcomes as a biomaterial due to its inherent bioactivity, biocompatibility and regenerative effects. The effect of keratin on repair and regeneration of dental tissues has never been studied before. Current therapies to treat pulp tissues involve its replacement with inert, synthetic materials that do not have a proper biological function, leading to failure and tooth loss. This study aimed to develop a biocompatible keratin hydrogel (KH) suitable for pulp therapies...
April 20, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28416208/fetal-and-perinatal-stem-cells-in-cardiac-regeneration-moving-forward-to-the-paracrine-era
#16
C Balbi, S Bollini
Cardiovascular disease (CD) is a major burden for Western society. Regenerative medicine has provided encouraging results, yet it has not addressed the focal defects causing CD and mainly related to the inefficient repair programme of the heart. In this scenario, stem cells have been broadly investigated and their paracrine effect proposed as a possible working strategy to boost endogenous mechanisms of repair and regeneration from within the cardiac tissue. The scientific community is now focusing on identifying the most effective stem cell secretome, as the whole of bioactive factors and extracellular vesicles secreted by stem cells and endowed with regenerative potential...
April 12, 2017: Placenta
https://www.readbyqxmd.com/read/28385636/newborn-dopaminergic-neurons-are-associated-with-the-migration-and-differentiation-of-svz-derived-neural-progenitors-in-a-6-hydroxydopamin-injected-mouse-model
#17
M Q Xie, Z C Chen, P Zhang, H J Huang, T T Wang, Y-Q Ding, S S Qi, C Zhang, S X Chen, P Zhou, C C Shao, M Liao, C Y Sun
The use of the existing endogenous neural progenitor cells (NPCs) in the brains of adult mammalian animals is challenging for cell therapy in treating Parkinson's disease (PD). Previous studies have indicated that there is a low level of neurogenesis in the substantia nigra (SN) of adult mice. To assess the regenerative/neurogenic capacity of NPCs following an intranigral injection of 6-hydroxydopamine (6-OHDA), the proliferation and differentiation of subventricular zone (SVZ)- and midbrain-derived NPCs were investigated, and the origin of SN newborn dopaminergic neurons was traced by using Nestin-CreER(TM)::ROSA26-LacZ mice and constructing a plasmid CD133-Promoter2-Cre...
June 3, 2017: Neuroscience
https://www.readbyqxmd.com/read/28372274/stem-cell-roadmap%C3%A2-the-industrial-point-of%C3%A2-view
#18
Mazen Elzaabi, Agnès Thevenin, Pierre-Noël Lirsac
CELLforCURE is a French Contract Development and Manufacturing Organization (CDMO) dedicated to industrialization and process development for routine manufacturing, GMP manufacturing for clinical and commercial batches and regulatory services and associated logistics. CELLforCURE is a subsidiary of LFB Group.Stem cells fields of application gather cell and gene therapy as well as tissue engineering. According to VisionGain survey, cell therapy medicinal products will remain predominant in the future.Clinical trials are sponsored either by universities or private companies...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28365681/bone-marrow-derived-mononuclear-cell-therapy-accelerates-renal-ischemia-reperfusion-injury-recovery-by-modulating-inflammatory-antioxidant-and-apoptotic-related-molecules
#19
Felipe Mateus Ornellas, Débora Santos Ornellas, Sabrina Vargas Martini, Raquel Carvalho Castiglione, Grasiella Maria Ventura, Patrícia R Rocco, Bianca Gutfilen, Sergio A de Souza, Christina Maeda Takiya, Marcelo Marcos Morales
BACKGROUND/AIMS: We investigated the regenerative capacity of intravenous administration of bone marrow-derived mononuclear cells (BMMCs) in a rat model of bilateral renal ischemia/reperfusion (IR) injury and the involvement of inflammatory anti-inflammatory and other biological markers in this process. METHODS: Rats were subjected to 1h bilateral renal pedicle clamping. BMMCs were injected i.v 1h after reperfusion and tracked by 99mTc and GFP+ BMMCs. Twenty-four hours after reperfusion, renal function and histological changes were evaluated...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28362380/production-and-administration-of-therapeutic-mesenchymal-stem-stromal-cell-msc-spheroids-primed-in-3-d-cultures-under-xeno-free-conditions
#20
Joni H Ylostalo, Nikolay Bazhanov, Arezoo Mohammadipoor, Thomas J Bartosh
Mesenchymal stem/stromal cells (MSCs) hold great promise in bioengineering and regenerative medicine. MSCs can be isolated from multiple adult tissues via their strong adherence to tissue culture plastic and then further expanded in vitro, most commonly using fetal bovine serum (FBS). Since FBS can cause MSCs to become immunogenic, its presence in MSC cultures limits both clinical and experimental applications of the cells. Therefore, studies employing chemically defined xeno-free (XF) media for MSC cultures are extremely valuable...
March 18, 2017: Journal of Visualized Experiments: JoVE
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