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Regenerative injection therapy

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https://www.readbyqxmd.com/read/28088107/gaas-laser-therapy-reestablishes-the-morphology-of-the-nmj-and-nachrs-after-injury-due-to-bupivacaine
#1
Cristiane Neves Alessi Pissulin, Paula Aiello Tomé de Souza Castro, Flávio Codina, Carina Guidi Pinto, Ivan Jose Vechetti-Junior, Selma Maria Michelin Matheus
BACKGROUND: Local anesthetics are used to relieve pre- and postoperative pain, acting on both sodium channels and nicotinic acetylcholine receptors (nAChR) at the neuromuscular junction (NMJ). Bupivacaine acts as a non-competitive antagonist and has limitations, such as myotoxicity, neurotoxicity, and inflammation. Low-level laser therapy (LLLT) has anti-inflammatory, regenerative, and analgesic effects. The aim of the present study was to evaluate the effects of a gallium arsenide laser (GaAs) on the morphology of the NMJ and nAChRs after application of bupivacaine in the sternomastoid muscle...
December 22, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28079980/induction-of-mesenchymal-stem-cell-differentiation-in-the-absence-of-soluble-inducer-for-cutaneous-wound-regeneration-by-a-chitin-nanofibers-based-hydrogel
#2
Kangquan Shou, Yao Huang, Baiwen Qi, Xiang Hu, Zhanjun Ma, Ang Lu, Chao Jian, Lina Zhang, Aixi Yu
Transplantation of bone marrow mesenchymal stem cells (BMSCs) has been considered as a promising strategy for wound healing. However, poor viability of engrafted BMSCs and limited capabilities of differentiation into the desired cell types in wounds often hinder their application. Few studies report the induction of BMSCs differentiation into the skin regeneration related cell types using natural biopolymer, e.g., chitin and its derivative. Here we utilized a chitin nanofibers(CNFs) hydrogel as a directive cue to induce BMSCs differentiation for enhancing cutaneous wound regeneration in the absence of cell-differentiating factors...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28065360/intracavernous-injection-of-human-umbilical-cord-blood-mononuclear-cells-improves-erectile-dysfunction-in-streptozotocin-induced-diabetic-rats
#3
Tugba Cengiz, Ecem Kaya, Didem Yilmaz Oral, Isil Ozakca, Nur Bayatli, Arzu Zeynep Karabay, Tugba Altun Ensari, Tuna Karahan, Enis Yilmaz, Serap Gur
INTRODUCTION: Erectile dysfunction (ED) worsens in men with diabetes. Human umbilical cord blood (HUCB), because of its widespread availability and low immunogenicity, is a valuable source for stem cell-based therapies. AIM: To determine the effect of intracavernous injection of HUCB mononuclear cells (MNCs) on ED in rats with diabetes induced by streptozotocin. METHODS: Thirty adult male Sprague-Dawley rats were equally divided into three groups: (i) control, (ii) diabetes induced by streptozotocin (35 mg/kg intravenously for 8 weeks), and (iii) diabetic rats treated with MNCs (1 × 10(6) cells by intracavernosal injection)...
January 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28052093/bone-morphogenetic-protein-9-enhances-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells-via-the-jnk-pathway
#4
Pei Wang, Yanen Wang, Weizhong Tang, Xingxing Wang, Yanan Pang, Su Yang, Yibo Wei, Haochen Gao, Dalin Wang, Zhizhong Cao
Bone morphogenetic protein-9 (BMP9) shows great osteoinductive potential in bone regeneration. Periodontal ligament stem cells (PDLSCs) with multi-differentiation capability and low immunogenicity are increasingly used as seed cells for periodontal regenerative therapies. In the present study, we investigated the potent osteogenic activity of BMP9 on human PDLSCs (hPDLSCs), in which the c-Jun N-terminal kinase (JNK) pathway is possibly involved. Our results showed that JNK inhibition by the specific inhibitor SP600125 or adenovirus expressing small interfering RNA (siRNA) targeting JNK (AdR-si-JNK) significantly decreased BMP9-induced gene and protein expression of early and late osteogenic markers, such as runt-related transcription factor 2 (Runx2), alkaline phosphatase (ALP), osteopontin (OPN), and osteocalcin (OCN), in hPDLSCs...
2017: PloS One
https://www.readbyqxmd.com/read/28045024/therapeutic-microparticles-functionalized-with-biomimetic-cardiac-stem-cell-membranes-and-secretome
#5
Junnan Tang, Deliang Shen, Thomas George Caranasos, Zegen Wang, Adam C Vandergriff, Tyler A Allen, Michael Taylor Hensley, Phuong-Uyen Dinh, Jhon Cores, Tao-Sheng Li, Jinying Zhang, Quancheng Kan, Ke Cheng
Stem cell therapy represents a promising strategy in regenerative medicine. However, cells need to be carefully preserved and processed before usage. In addition, cell transplantation carries immunogenicity and/or tumourigenicity risks. Mounting lines of evidence indicate that stem cells exert their beneficial effects mainly through secretion (of regenerative factors) and membrane-based cell-cell interaction with the injured cells. Here, we fabricate a synthetic cell-mimicking microparticle (CMMP) that recapitulates stem cell functions in tissue repair...
January 3, 2017: Nature Communications
https://www.readbyqxmd.com/read/28041853/stem-cells-in-male-sexual-dysfunction-are-we-getting-somewhere
#6
REVIEW
Mohammad Ayodhia Soebadi, Uros Milenkovic, Emmanuel Weyne, Fabio Castiglione, Maarten Albersen
INTRODUCTION: Stem cells for sexual disorders are steadily being introduced into clinical trials. Two conditions of importance are the main target for this line of treatment, especially when regarding the wide array of translational and basic science highlighting the potential advantages of regenerative therapy: erectile dysfunction (ED) and more recently Peyronie disease (PD). Cellular therapy offers a treatment modality that might reverse disease progression. It would be used in a curative setting, in contrast to other pharmaceutical agents that are currently available...
December 29, 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28003146/injectable-hyaluronic-acid-down-regulates-interferon-signaling-molecules-igfbp3-and-ifit3-in-the-bovine-intervertebral-disc
#7
Zepur Kazezian, Zhen Li, Mauro Alini, Sibylle Grad, Abhay Pandit
: Low back pain which is a major cause of disability for people aged between 20 and 50 years imposes a serious socio-economic burden. The current focus of regenerative medicine is on identifying molecular markers to facilitate the design of targeted therapeutics. Previously, we have demonstrated that expression of the anti-proliferative interferon-induced protein with tetratricopeptide repeats 3 (IFIT3) and pro-apoptotic insulin-like growth factor-binding protein-3 (IGFBP3), are up-regulated as downstream targets of the inflammatory cytokine interferon α (IFNα) signaling pathway in the human annulus fibrosus (AF)...
December 18, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27998017/nanogel-based-scaffolds-fabricated-for-bone-regeneration-with-mesoporous-bioactive-glass-and-strontium-in-vitro-and-in-vivo-characterization
#8
Qiao Zhang, Xiaohui Chen, Shinan Geng, Lingfei Wei, Richard J Miron, Yanbing Zhao, Yufeng Zhang
The delivery of novel bioactive scaffolds for the repair of bone defects remains a prominent challenge worldwide. Currently osteoporosis, a disease caused by low bone mineral density affects over 200 million people worldwide with up to half of this population experiencing at least 1 fracture within their lifetime. Recently Temperature-Sensitive p(N-Isopropylacrylamide-co-butyl Methylacrylate) nanogel(PIB nanogel) scaffolds have emerged as biomaterial candidate for regenerative therapies. It has the advantage of being injected from syringes as a soluble gel form(capable of delivering growth and/or living progenitor cells) yet hardens once it reaches body temperatures...
December 20, 2016: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27987653/free-radical-scavenging-injectable-hydrogels-for-regenerative-therapy
#9
Remya Komeri, Finosh Gnanaprakasam Thankam, Jayabalan Muthu
Pathological free radicals generated from inflamed and infarcted cardiac tissues interferes natural tissue repair mechanisms. Hypoxic microenvironment at the injured zone of non-regenerating cardiac tissues hinders the therapeutic attempts including cell therapy. Here we report an injectable, cytocompatible, free radical scavenging synthetic hydrogel formulation for regenerative therapy. New hydrogel (PEAX-P) is prepared with D-xylitol-co-fumarate-co-poly ethylene adipate-co-PEG comaromer (PEAX) and PEGDiacrylate...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27965171/human-placenta-hydrogel-reduces-scarring-in-a-rat-model-of-cardiac-ischemia-and-enhances-cardiomyocyte-and-stem-cell-cultures
#10
Michael P Francis, Erick Breathwaite, Anna A Bulysheva, Frency Varghese, Rudy U Rodriguez, Sucharita Dutta, Iurii Semenov, Rebecca Ogle, Alexander Huber, Alexandra-Madelaine Tichy, Silvia Chen, Christian Zemlin
INTRODUCTION: Xenogeneic extracellular matrix (ECM) hydrogels have shown promise in remediating cardiac ischemia damage in animal models, yet analogous human ECM hydrogels have not been well development. An original human placenta-derived hydrogel (hpECM) preparation was thus generated for assessment in cardiomyocyte cell culture and therapeutic cardiac injection applications. METHODS AND RESULTS: Hybrid orbitrap-quadrupole mass spectrometry and ELISAs showed hpECM to be rich in collagens, basement membrane proteins, and regenerative growth factors (e...
December 10, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27923327/formation-of-nanofibrous-matrices-three-dimensional-scaffolds-and-microspheres-from-theory-to-practice
#11
Chi Ma, Xiaohua Liu
Nanofibrous architecture presents unique biophysical cues to facilitate cellular responses and is considered an indispensable feature of a biomimetic three-dimensional (3D) scaffold and cell carrier. While electrospinning is a widely used method to prepare natural extracellular matrix-like nanofibers, it faces significant challenges to incorporate nanofibrous architecture into well-defined macroporous 3D scaffolds or injectable microspheres. Here we report a nonelectrospinning approach that is effective at generating nanofibers from a variety of synthetic and natural biodegradable polymers and integrating these nanofibers into (1) 3D scaffolds with constructive geometry and designed internal macropore structures; and (2) injectable microspheres...
January 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/27865382/bcg-infection-in-mice-is-promoted-by-na%C3%A3-ve-mesenchymal-stromal-cells-msc-and-suppressed-by-poly-a-u-conditioned-msc
#12
Yakov Sh Schwartz, Sergey N Belogorodtsev, Pavel N Filimonov, Andrey G Cherednichenko, Sergey V Pustylnikov, Vladimir A Krasnov
Mesenchymal stromal cells (MSC) transplantation is an actively studied therapeutic approach used in regenerative medicine and in the field of control of immunoinflammatory response. Conditioning of MSC in culture can form their predominantly pro- or anti-inflammatory phenotypes. We demonstrated that poly(A:U)-conditioning of bone marrow-derived mouse MSC induced predominantly pro-inflammatory phenotype. The effects of administration of naïve MSC (nMSC) or conditioned MSC (cMSC) on the course of mycobacterial infection were studied...
December 2016: Tuberculosis
https://www.readbyqxmd.com/read/27861845/quantum-dots-labelling-allows-detection-of-the-homing-of-mesenchymal-stem-cells-administered-as-immunomodulatory-therapy-in-an-experimental-model-of-pancreatic-islets-transplantation
#13
Silvia Mannucci, Laura Calderan, Paola Quaranta, Sara Antonini, Franco Mosca, Biancamaria Longoni, Pasquina Marzola, Federico Boschi
Cell transplantation is considered a promising therapeutic approach in several pathologies but still needs innovative and non-invasive imaging technologies to be validated. The use of mesenchymal stem cells (MSCs) attracts major interest in clinical transplantation thanks to their regenerative properties, low immunogenicity and ability to regulate immune responses. In several animal models, MSCs are used in co-transplantation with pancreatic islets (PIs) for the treatment of type I diabetes, supporting graft survival and prolonging normal glycaemia levels...
November 15, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27817105/neuro-regeneration-therapy-using-human-muse-cells-is-highly-effective-in-a-mouse-intracerebral-hemorrhage-model
#14
Norihito Shimamura, Kiyohide Kakuta, Liang Wang, Masato Naraoka, Hiroki Uchida, Shohei Wakao, Mari Dezawa, Hiroki Ohkuma
A novel type of non-tumorigenic pluripotent stem cell, the Muse cell (multi-lineage, differentiating stress enduring cell), resides in the connective tissue and in cultured mesenchymal stem cells (MSCs) and is reported to differentiate into multiple cell types according to the microenvironment to repair tissue damage. We examined the efficiency of Muse cells in a mouse intracerebral hemorrhage (ICH) model. Seventy μl of cardiac blood was stereotactically injected into the left putamen of immunodeficient mice...
November 5, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27804974/mesenchymal-stem-cells-combined-with-hepatocyte-growth-factor-therapy-for-attenuating-ischaemic-myocardial-fibrosis-assessment-using-multimodal-molecular-imaging
#15
Huizhu Chen, Rui Xia, Zhenlin Li, Lizhi Zhang, Chunchao Xia, Hua Ai, Zhigang Yang, Yingkun Guo
Clinically, myocardial fibrosis is increasingly being recognized as a new therapeutic target for ischaemic heart diseases. The aim of this study was to investigate whether noninvasive multimodal molecular imaging could be used to dynamically assess whether the combination of bone marrow mesenchymal stem cells (BMSCs) and hepatocyte growth factor (HGF) therapy can synergistically attenuate myocardial fibrosis after myocardial infarction (MI). MI was induced in 28 rats by coronary ligation with subsequent injection of BMSCs/HGF, BMSCs, HGF, or saline into the border zone under echocardiography guidance...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27798372/safety-studies-for-use-of-adipose-tissue-derived-mesenchymal-stromal-stem-cells-in-a-rabbit-model-for-osteoarthritis-to-support-a-phase-i-clinical-trial
#16
Scott M Riester, Janet M Denbeigh, Yang Lin, Dakota L Jones, Tristan de Mooij, Eric A Lewallen, Hai Nie, Christopher R Paradise, Darcie J Radel, Amel Dudakovic, Emily T Camilleri, Dirk R Larson, Wenchun Qu, Aaron J Krych, Matthew A Frick, Hee-Jeong Im, Allan B Dietz, Jay Smith, Andre J van Wijnen
: : Adipose-derived mesenchymal stem cells (AMSCs) offer potential as a therapeutic option for clinical applications in musculoskeletal regenerative medicine because of their immunomodulatory functions and capacity for trilineage differentiation. In preparation for a phase I clinical trial using AMSCs to treat patients with osteoarthritis, we carried out preclinical studies to assess the safety of human AMSCs within the intra-articular joint space. Culture-expanded human AMSCs grown in human platelet-lysate were delivered via intra-articular injections into normal healthy rabbit knees and knees at risk for the development of osteoarthritis after bilateral medial anterior hemimeniscectomy...
October 26, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27779646/heparin-binding-epidermal-growth-factor-like-growth-factor-and-hepatocyte-growth-factor-inhibit-cholestatic-liver-injury-in-mice-through-different-mechanisms
#17
Kouichi Sakamoto, Ngin Cin Khai, Yuqing Wang, Rie Irie, Hideo Takamatsu, Hiroshi Matsufuji, Ken-Ichiro Kosai
In contrast to hepatocyte growth factor (HGF), the therapeutic potential and pathophysiologic roles of heparin-binding epidermal growth factor-like growth factor (HB-EGF) in liver diseases remain relatively unknown. To address the lack of effective pharmacologic treatments for cholestatic liver injuries, as well as to clarify the biologic features of these growth factors, we explored the effects of HB-EGF and HGF in mice with cholestatic liver injury induced by bile duct ligation (BDL). The mice were assessed 3, 5 and/or 14 days after BDL (acute, subacute and/or chronic phases, respectively) and intravenous injection of adenoviral vector expressing LacZ (control), HB-EGF, HGF, or HB-EGF and HGF...
December 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27727015/clinical-safety-of-intrathecal-administration-of-mesenchymal-stromal-cell-derived-neural-progenitors-in-multiple-sclerosis
#18
Violaine K Harris, Tamara Vyshkina, Saud A Sadiq
BACKGROUND AIMS: There is a critical unmet need to develop regenerative therapies for the demyelinating disease multiple sclerosis (MS). We previously characterized the immunoregulatory and trophic properties of neural progenitors derived from bone marrow mesenchymal stromal cells (MSC-NPs) and established that cells derived from MS and non-MS patients alike were therapeutically viable. In an experimental model of MS, intrathecal MSC-NP injection resulted in disease amelioration with decreased T-cell infiltration, and less severe lesion pathology associated with recruitment of resident progenitors to inflammatory sites...
October 7, 2016: Cytotherapy
https://www.readbyqxmd.com/read/27721705/cardiovascular-regenerative-technologies-update-and-future-outlook
#19
Anna Mallone, Benedikt Weber, Simon P Hoerstrup
In the effort of improving treatment for cardiovascular disease (CVD), scientists struggle with the lack of the regenerative capacities of finally differentiated cardiovascular tissues. In this context, the advancements in regenerative medicine contributed to the development of cell-based therapies as well as macro- and micro-scale tissue-engineering technologies. The current experimental approaches focus on different regenerative strategies including a broad spectrum of techniques such as paracrine-based stimulation of autologous cardiac stem cells, mesenchymal cell injections, 3D microtissue culture techniques and vascular tissue-engineering methods...
July 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27721238/dendritic-cells-maintain-dermal-adipose-derived-stromal-cells-in-skin-fibrosis
#20
Jennifer J Chia, Tong Zhu, Susan Chyou, Dragos C Dasoveanu, Camila Carballo, Sha Tian, Cynthia M Magro, Scott Rodeo, Robert F Spiera, Nancy H Ruddle, Timothy E McGraw, Jeffrey L Browning, Robert Lafyatis, Jessica K Gordon, Theresa T Lu
Scleroderma is a group of skin-fibrosing diseases for which there are no effective treatments. A feature of the skin fibrosis typical of scleroderma is atrophy of the dermal white adipose tissue (DWAT). Adipose tissue contains adipose-derived mesenchymal stromal cells (ADSCs) that have regenerative and reparative functions; however, whether DWAT atrophy in fibrosis is accompanied by ADSC loss is poorly understood, as are the mechanisms that might maintain ADSC survival in fibrotic skin. Here, we have shown that DWAT ADSC numbers were reduced, likely because of cell death, in 2 murine models of scleroderma skin fibrosis...
November 1, 2016: Journal of Clinical Investigation
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