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Stem cell injections

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https://www.readbyqxmd.com/read/29166733/-comparative-study-on-the-efficacy-and-safety-between-pegfilgrastim-peg-rhg-csf-and-recombinant-human-granulocyte-colony-stimulating-factor-in-promoting-hematopoietic-recovery-after-allogeneic-hematopoietic-stem-cell-transplantation-after-hematological-malignancy
#1
F Yang, X D Sun, L Yuan, J C Zhang, J W Hu, N Liu, X Lou, Y F Su, Z Y Yu, J L Chen, Y H Li, L D Hu, H Chen, M Jiang
Objective: To observe the efficacy and safety between Pegfilgrastim (PEG-rhG-CSF) and Recombinant human granulocyte colony stimulating factor (rhG-CSF) in hematological malignancy after allogeneic hematopoietic stem cell transplantation (allo-HSCT) . Methods: 157 patients after allo-HSCT were enrolled in this study from June 2015 to November 2016. Two agents of G-CSF were used to stimulate hematopoietic recovery after transplantation. There were 65 cases in PEG-rhG-CSF and 92 cases in rhG-CSF groups. Patients in PEG-rhG-CSF group were given a single subcutaneous dose of 6 mg on the first day and +8 d, while cases in rhG-CSF group were given in dose of 5 μg·kg(-1)·d(-1) by subcutaneous injection from +1 d continuing to neutrophils more than 1...
October 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29166329/pseudolesions-impersonating-osseous-tumor-involvement-on-both-contrast-enhanced-ct-and-fdg-pet-ct
#2
Jessica K Peterson, Rustain L Morgan, Joseph S Donald, Mark A Perry
A 27-year-old man with stage IV-B Hodgkin's lymphoma status post autologous peripheral stem cell transplant in 2015 with complete response, presented in 2017 with increasing back pain. Restaging contrast enhanced CT demonstrated left brachiocephalic vein occlusion with peripheral nodular high density areas within C7-T2 vertebral bodies with corresponding radiotracer uptake on same day PET/CT. No matching lesion was seen on noncontrast CT. Findings were consistent with pooling of contrast and radiotracer within vertebral venous plexus collaterals at the cervicothoracic junction secondary to brachiocephalic vein occlusion...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29165981/layered-double-hydroxide-and-polypeptide-thermogel-nanocomposite-system-for-chondrogenic-differentiation-of-stem-cells
#3
Seon Sook Lee, Goeun Choi, Hyun Jung Lee, Yelin Kim, Jin-Ho Choy, Byeongmoon Jeong
Stem cell therapy for damaged cartilages suffers from the low rates of retention, survival, and differentiation into chondrocytes at the target site. To solve these problems, here we propose a two dimensional/three dimensional (2D/3D) nanocomposite system. As a new two dimensional (2D) material, hexagonal layered double hydroxides (LDHs) with a uniform lateral length of 2-3 μm were prepared by a hydrothermal process. And then, tonsil-derived mesenchymal stem cells (TMSCs), RGD-coated LDHs, and kartogenin (KGN) were incorporated into the gel through the thermal energy-driven gelation of the system...
November 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29164803/preclinical-evaluation-and-optimization-of-a-cell-therapy-using-human-cord-blood-derived-endothelial-colony-forming-cells-for-ischemic-retinopathies
#4
Emma Reid, Jasenka Guduric-Fuchs, Christina L O'Neill, Lynsey-Dawn Allen, Sarah E J Chambers, Alan W Stitt, Reinhold J Medina
Cell therapy using endothelial progenitors holds promise for vascular repair in ischemic retinopathies. Using a well-defined subpopulation of human cord blood-derived endothelial progenitors known as endothelial colony-forming cells (ECFCs), we have evaluated essential requirements for further development of this cell therapy targeting the ischemic retina, including dose response, delivery route, and toxicity. First, to evaluate therapeutic efficacy relating to cell dose, ECFCs were injected into the vitreous of mice with oxygen-induced retinopathy...
November 22, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29163532/biodistribution-and-immunogenicity-of-allogeneic-mesenchymal-stem-cells-in-a-rat-model-of-intraarticular-chondrocyte-xenotransplantation
#5
Maribel Marquina, Javier A Collado, Magdiel Pérez-Cruz, Pablo Fernández-Pernas, Juan Fafián-Labora, Francisco J Blanco, Rafael Máñez, María C Arufe, Cristina Costa
Xenogeneic chondrocytes and allogeneic mesenchymal stem cells (MSC) are considered a potential source of cells for articular cartilage repair. We here assessed the immune response triggered by xenogeneic chondrocytes when injected intraarticularly, as well as the immunoregulatory effect of allogeneic bone marrow-derived MSC after systemic administration. To this end, a discordant xenotransplantation model was established by injecting three million porcine articular chondrocytes (PAC) into the femorotibial joint of Lewis rats and monitoring the immune response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163228/gmsc-derived-exosomes-combined-with-a-chitosan-silk-hydrogel-sponge-accelerates-wound-healing-in-a-diabetic-rat-skin-defect-model
#6
Quan Shi, Zhiyong Qian, Donghua Liu, Jie Sun, Xing Wang, Hongchen Liu, Juan Xu, Ximin Guo
Background: Delayed wound healing in diabetic patients is one of the most challenging complications in clinical medicine, as it poses a greater risk of gangrene, amputation and even death. Therefore, a novel method to promote diabetic wound healing is of considerable interest at present. Previous studies showed that injection of MSC-derived exosomes has beneficial effects on wound healing. In current studies, we aimed to isolate exosomes derived from gingival mesenchymal stem cells (GMSCs) and then loading them to the chitosan/silk hydrogel sponge to evaluate the effects of this novel non-invasive method on skin defects in diabetic rats...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162088/prevention-of-glucocorticoid-associated-osteonecrosis-by-intravenous-administration-of-mesenchymal-stem-cells-in-a-rabbit-model
#7
Shusuke Ueda, Miyako Shimasaki, Toru Ichiseki, Yoshimichi Ueda, Masanobu Tsuchiya, Ayumi Kaneuji, Norio Kawahara
BACKGROUND: Glucocorticoid-associated osteonecrosis is an intractable condition, making the establishment of preventative strategies of particular importance. Recently various studies using mesenchymal stem cells (MSC) have been conducted. Using a rabbit glucocorticoid-associated osteonecrosis model we administered green fluorescent protein (GFP)-labeled MSC intravenously to investigate their effect on osteonecrosis. METHODS: A rabbit osteonecrosis model in which methylprednisolone (MP) 20 mg/kg was injected into the gluteus of a Japanese white rabbit was used...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29160745/the-unveiling-of-the-warburg-effect-and-the-inscribed-innovative-approach-to-a-radical-non-toxic-anticancer-therapy
#8
Olivia Crociani, Ilaria Marzi, Maria Grazia Cipolleschi, Antonella Mannini, Massimo Contini, Massimo Olivotto
The purpose of this research has been deciphering the Warburg paradox, the biochemical enigma unsolved since 1923. This paradox consists of the aerobic pyruvate conversion to lactate brought about by anaplastic cancer, through the metabolic pathway known as aerobic glycolysis. This pathway implies a heavy energetic waste. We solved the enigma by demonstrating that its specific character, i.e. the forced aerobic lactate exportation, represents a crucial metabolic device to counteract the cytotoxic effect produced by an excess of pyruvate at the connection of glycolysis with the Krebs cycle...
November 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29158845/in-tether-chiral-center-induced-helical-peptide-modulators-target-p53-mdm2-mdmx-and-inhibit-tumor-growth-in-stem-like-cancer-cell
#9
Kuan Hu, Feng Yin, Mengyin Yu, Chengjie Sun, Jingxu Li, Yujie Liang, Wenjun Li, Mingsheng Xie, Yuanzhi Lao, Wei Liang, Zi-Gang Li
Inhibition of the interaction between p53 and MDM2/MDMX has attracted significant attention in anticancer therapy development. We designed a series of in-tether chiral center-induced helical stabilized peptides, among which MeR/PhR effectively reactivated p53. The activation of p53 inhibits cell proliferation and induces apoptosis in both the MCF-7 normal tumor cell line and the PA-1 pluripotent cancer cell line with only minimal cellular toxicity towards normal cells or cancer cell lines with p53 mutations...
2017: Theranostics
https://www.readbyqxmd.com/read/29158800/a-bottleneck-in-understanding-metastatic-cancer-stem-cell-of-peritoneal-seeding-from-gastric-cancer-a-null-result-in-brief
#10
Xin-Zu Chen, Xiao-Hai Song, Xiao-Long Chen, Chang-Chun Li, Xian-Ming Mo, Jian-Kun Hu
The capture of peritoneal metastatic cancer stem cell of human gastric cancer (pMCSC-hGC) is important to further understand the mechanism of peritoneal metastasis in gastric cancer patients. Previously, cancer stem cells (CSCs) of gastric and rectal cancers were captured and identified. However, the bottleneck of capturing pMCSC-hGC may be the scarce surgical specimen and limited volume of peritoneal metastatic lesions from gastric cancer. Only 5.2% of patients were diagnosed of unpredictive peritoneal seeding intraoperatively, while none cell sphere were successfully formed through the identical culture approach based on peritoneal metastatic nodules...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29158741/polysaccharide-hydrogels-support-the-long-term-viability-of-encapsulated-human-mesenchymal-stem-cells-and-their-ability-to-secrete-immunomodulatory-factors
#11
Fahd Hached, Claire Vinatier, Pierre-Gabriel Pinta, Philippe Hulin, Catherine Le Visage, Pierre Weiss, Jérôme Guicheux, Aurélie Billon-Chabaud, Gaël Grimandi
While therapeutically interesting, the injection of MSCs suffers major limitations including cell death upon injection and a massive leakage outside the injection site. We proposed to entrap MSCs within spherical particles derived from alginate, as a control, or from silanized hydroxypropyl methylcellulose (Si-HPMC). We developed water in an oil dispersion method to produce small Si-HPMC particles with an average size of about 68 μm. We evidenced a faster diffusion of fluorescein isothiocyanate-dextran in Si-HPMC particles than in alginate ones...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29158675/transplantation-of-bone-mesenchymal-stem-cells-promotes-angiogenesis-and-improves-neurological-function-after-traumatic-brain-injury-in-mouse
#12
Shewei Guo, Yingwei Zhen, Anran Wang
Traumatic brain injury (TBI) has emerged as a leading cause of mortality and morbidity worldwide. Transplantation of bone mesenchymal stem cells (BMSCs) has emerged as a promising treatment for various central nervous system diseases. This study aims to evaluate the effect of BMSCs transplantation by intravenous injection on neurological function and angiogenesis of the TBI mice. C57BL/6 male mice were randomly divided into four groups: control, sham, TBI, and BMSC. Functional neurological evaluation was performed 1, 4, 7, 14, and 21 days after TBI using neurological severity scores...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29158523/treatment-of-myocardial-infarction-with-gene-modified-mesenchymal-stem-cells-in-a-small-molecular-hydrogel
#13
Zhiye Wu, Guoqin Chen, Jianwu Zhang, Yongquan Hua, Jinliang Li, Bei Liu, Anqing Huang, Hekai Li, Minsheng Chen, Caiwen Ou
The effect of transplanted rat mesenchymal stem cells (MSCs) can be reduced by extracellular microenvironment in myocardial infarction (MI). We tested a novel small-molecular hydrogel (SMH) on whether it could provide a scaffold for hepatocyte growth factor (HGF)-modified MSCs and alleviate ventricular remodeling while preserving cardiac function after MI. Overexpression of HGF in MSCs increased Bcl-2 and reduced Bax and caspase-3 levels in response to hypoxia in vitro. Immunocytochemistry demonstrated that cardiac troponin (cTnT), desmin and connexin 43 expression were significantly enhanced in the 5-azacytidine (5-aza) with SMH group compared with the 5-aza only group in vitro and in vivo...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29157877/-treatment-of-wrinkles-of-the-upper-lip-by-emulsified-fat-or-nanofat-biological-and-clinical-study-about-4%C3%A2-cases
#14
F Mesguich Batel, B Bertrand, J Magalon, P François, M Velier, J Veran, S Mallet, E Jouve, F Sabatier, D Casanova
OBJECTIVE: Emulsified fat injection showed its interest in aesthetic facial surgery. The adipose tissue harvested is mechanically emulsified and filtered. The suspension obtained is injected into the dermis through small diameter needles (27 to 30 gauges). The objective of our study was to evaluate the biological composition of emulsified fat and its clinical effectiveness in the treatment of peri-oral wrinkles in 4 patients aged 50 to 59 years. MATERIAL AND METHOD: Each patient received an intradermal injection of emulsified fat in the peri-oral wrinkles prepared from abdominal fat under local anesthesia...
November 17, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29157299/the-similarities-between-smdcs-and-regdcs-in-alleviating-the-immune-injury-caused-by-transplantation-of-hepatocytes-differentiated-from-escs
#15
Cheng Zhang, Wenwei Liao, Bing Cai, Furong Liu, Qiong Ke, Xiaofeng Zhu, Xiaoshun He, Anbin Hu
BACKGROUND: This study aimed to investigate the tolerogenic mechanisms induced by semimature dendritic cells (smDCs) and regulatory dendritic cells (regDCs) after transplantation of hepatocytes differentiated from mouse embryonic stem cells (ESCs) and to confirm the low immunogenicity of hepatocytes differentiated from ESCs. METHODS: Green fluorescent protein-labeled ESCs collected from 129 mice were cultured to differentiate into hepatocytes. smDCs and regDCs were cultured in vitro...
November 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29156629/reconstruction-of-craniomaxillofacial-bone-defects-using-tissue-engineering-strategies-with-injectable-and-non-injectable-scaffolds
#16
REVIEW
Bipin Gaihre, Suren Uswatta, Ambalangodage C Jayasuriya
Engineering craniofacial bone tissues is challenging due to their complex structures. Current standard autografts and allografts have many drawbacks for craniofacial bone tissue reconstruction; including donor site morbidity and the ability to reinstate the aesthetic characteristics of the host tissue. To overcome these problems; tissue engineering and regenerative medicine strategies have been developed as a potential way to reconstruct damaged bone tissue. Different types of new biomaterials; including natural polymers; synthetic polymers and bioceramics; have emerged to treat these damaged craniofacial bone tissues in the form of injectable and non-injectable scaffolds; which are examined in this review...
November 20, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29155703/modeling-amyloid-%C3%AE-42-toxicity-and-neurodegeneration-in-adult-zebrafish-brain
#17
Prabesh Bhattarai, Alvin Kuriakose Thomas, Mehmet Ilyas Cosacak, Christos Papadimitriou, Violeta Mashkaryan, Yixin Zhang, Caghan Kizil
Alzheimer's disease (AD) is a debilitating neurodegenerative disease in which accumulation of toxic amyloid-β42 (Aβ42) peptides leads to synaptic degeneration, inflammation, neuronal death, and learning deficits. Humans cannot regenerate lost neurons in the case of AD in part due to impaired proliferative capacity of the neural stem/progenitor cells (NSPCs) and reduced neurogenesis. Therefore, efficient regenerative therapies should also enhance the proliferation and neurogenic capacity of NSPCs. Zebrafish (Danio rerio) is a regenerative organism, and we can learn the basic molecular programs with which we could design therapeutic approaches to tackle AD...
October 25, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154076/multiple-intracerebroventricular-injections-of-human-umbilical-cord-mesenchymal-stem-cells-delay-motor-neurons-loss-but-not-disease-progression-of-sod1g93a-mice
#18
Francesca Sironi, Antonio Vallarola, Martina Bruna Violatto, Laura Talamini, Mattia Freschi, Roberta De Gioia, Chiara Capelli, Azzurra Agostini, Davide Moscatelli, Massimo Tortarolo, Paolo Bigini, Martino Introna, Caterina Bendotti
Stem cell therapy is considered a promising approach in the treatment of amyotrophic lateral sclerosis (ALS) and mesenchymal stem cells (MSCs) seem to be the most effective in ALS animal models. The umbilical cord (UC) is a source of highly proliferating fetal MSCs, more easily collectable than other MSCs. Recently we demonstrated that human (h) UC-MSCs, double labeled with fluorescent nanoparticles and Hoechst-33258 and transplanted intracerebroventricularly (ICV) into SOD1G93A transgenic mice, partially migrated into the spinal cord after a single injection...
November 10, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29152123/msc-derived-cytokines-repair-radiation-induced-intra-villi-microvascular-injury
#19
Peng-Yu Chang, Bo-Yin Zhang, Shuang Cui, Chao Qu, Li-Hong Shao, Tian-Kai Xu, Ya-Qin Qu, Li-Hua Dong, Jin Wang
Microvascular injury initiates the pathogenesis of radiation enteropathy. As previously demonstrated, the secretome from mesenchymal stem cells contains various angiogenic cytokines that exhibited therapeutic potential for ischemic lesions. As such, the present study aimed to investigate whether cytokines derived from mesenchymal stem cells can repair endothelial injuries from irradiated intestine. Here, serum-free medium was conditioned by human adipose-derived mesenchymal stem cells, and we found that there were several angiogenic cytokines in the medium, including IL-8, angiogenin, HGF and VEGF...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29150821/cd271-mediates-proliferation-and-differentiation-of-epidermal-stem-cells-to-support-cutaneous-burn-wound-healing
#20
Min Zhang, Yongqian Cao, Xiaohong Li, Lizhi Hu, Sahbi Khaled Taieb, Xiaolong Zhu, Jing Zhang, Yongqiang Feng, Ran Zhao, Mingqing Wang, Wenjun Xue, Zhanjie Yang, Yibing Wang
Burn wounds can significantly reduce the quality of life of patients with respect to their physiology and psychology and can even threaten their lives. Many treatments have been proposed, including stem cell therapy but no effective method can as yet cure such damage. Our study highlights the role of Cd271 in epidermal stem cells (eSC) during the healing of burn wounds. The expression of Cd271 increases together with burn wound healing. Injection of Cd271-over-expressing eSC into wounds promotes the healing rate in a mouse burn model...
November 18, 2017: Cell and Tissue Research
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