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Bone marrow derived stem cells

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https://www.readbyqxmd.com/read/29451220/critical-role-of-sdf-1-cxcr4-signaling-pathway-in-stem-cell-homing-in-the-deafened-rat-cochlea-after-acoustic-trauma
#1
Ali Asghar Peyvandi, Navid Ahmady Roozbahany, Hassan Peyvandi, Hojjat-Allah Abbaszadeh, Niloofar Majdinasab, Mohammad Faridan, Somayeh Niknazar
Previous animal studies have shown that stromal cell-derived factor-1 (SDF-1)/CXC chemokine receptor-4 (CXCR4) signaling pathway plays an important role in the targeted migration of bone marrow-derived mesenchymal stem cells (BMSCs) to the injured area. In the present study, we aimed to investigate the potential role of chemotactic SDF-1/CXCR4 signaling pathway in the homing of transplanted BMSCs to the injured cochlea after noise-induced hearing loss (NIHL) in a rat model. White noise exposure (110 dB) paradigm was used for hearing loss induction in male rats for 6 hours in 5 days...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29451219/low-frequency-pulsed-electromagnetic-field-pretreated-bone-marrow-derived-mesenchymal-stem-cells-promote-the-regeneration-of-crush-injured-rat-mental-nerve
#2
NaRi Seo, Sung-Ho Lee, Kyung Won Ju, JaeMan Woo, BongJu Kim, SoungMin Kim, Jeong Won Jahng, Jong-Ho Lee
Bone marrow-derived mesenchymal stem cells (BMSCs) have been shown to promote the regeneration of injured peripheral nerves. Pulsed electromagnetic field (PEMF) reportedly promotes the proliferation and neuronal differentiation of BMSCs. Low-frequency PEMF can induce the neuronal differentiation of BMSCs in the absence of nerve growth factors. This study was designed to investigate the effects of low-frequency PEMF pretreatment on the proliferation and function of BMSCs and the effects of low-frequency PEMF pre-treated BMSCs on the regeneration of injured peripheral nerve using in vitro and in vivo experiments...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29451213/bone-marrow-derived-mesenchymal-stem-cells-versus-adipose-derived-mesenchymal-stem-cells-for-peripheral-nerve-regeneration
#3
Marcela Fernandes, Sandra Gomes Valente, Rodrigo Guerra Sabongi, João Baptista Gomes Dos Santos, Vilnei Mattioli Leite, Henning Ulrich, Arthur Andrade Nery, Maria José da Silva Fernandes
Studies have confirmed that bone marrow-derived mesenchymal stem cells (MSCs) can be used for treatment of several nervous system diseases. However, isolation of bone marrow-derived MSCs (BMSCs) is an invasive and painful process and the yield is very low. Therefore, there is a need to search for other alterative stem cell sources. Adipose-derived MSCs (ADSCs) have phenotypic and gene expression profiles similar to those of BMSCs. The production of ADSCs is greater than that of BMSCs, and ADSCs proliferate faster than BMSCs...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29450477/cyclic-compression-of-tissue-engineered-intervertebral-disc-constructs-composed-of-electrospinning-polycaprolactone
#4
Andrea Fotticchia, Emrah Demirci, Cristina Lenardi, Y Liu
There is lack of investigation capturing the complex mechanical interaction of tissue engineered IVD (intervertebral disc) constructs in physiologically-relevant environmental conditions. In this study, mechanical characterisation of anisotropic eletrospinning (ES) substrates made of polycaprolactone (PCL) was carried out in wet and dry conditions and viability of human bone marrow derived mesenchymal stem cells (hMSCs) seeded within double layers of ES PCL was also studied. Cyclic compression of IVD-like constructs composed of an agarose core confined by ES PCL double-layers was implemented using a bioreactor and the cellular response to the mechanical stimulation was evaluated...
February 14, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29449193/phase-i-trial-of-intrathecal-mesenchymal-stem-cell-derived-neural-progenitors-in-progressive-multiple-sclerosis
#5
Violaine K Harris, James Stark, Tamara Vyshkina, Leslie Blackshear, Gloria Joo, Valentina Stefanova, Gabriel Sara, Saud A Sadiq
BACKGROUND: Multiple sclerosis (MS) is an immune-mediated demyelinating disease of the central nervous system and is one of the leading causes of disability in young adults. Cell therapy is emerging as a therapeutic strategy to promote repair and regeneration in patients with disability associated with progressive MS. METHODS: We conducted a phase I open-label clinical trial investigating the safety and tolerability of autologous bone marrow mesenchymal stem cell-derived neural progenitor (MSC-NP) treatment in 20 patients with progressive MS...
February 3, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29448000/bone-marrow-derived-fibrocytes-promote-stem-cell-like-properties-of-lung-cancer-cells
#6
Atsuro Saijo, Hisatsugu Goto, Mayuri Nakano, Atsushi Mitsuhashi, Yoshinori Aono, Masaki Hanibuchi, Hirohisa Ogawa, Hisanori Uehara, Kazuya Kondo, Yasuhiko Nishioka
Cancer stem cells (CSCs) represent a minor population that have clonal tumor initiation and self-renewal capacity and are responsible for tumor initiation, metastasis, and therapeutic resistance. CSCs reside in niches, which are composed of diverse types of stromal cells and extracellular matrix components. These stromal cells regulate CSC-like properties by providing secreted factors or by physical contact. Fibrocytes are differentiated from bone marrow-derived CD14 + monocytes and have features of both macrophages and fibroblasts...
February 12, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29444190/bone-marrow-mesenchymal-stem-cell-derived-exosomal-mir-21-protects-c-kit-cardiac-stem-cells-from-oxidative-injury-through-the-pten-pi3k-akt-axis
#7
Bei Shi, Yan Wang, Ranzhun Zhao, Xianping Long, Wenwen Deng, Zhenglong Wang
Stem cell (SC) therapy for ischemic cardiomyopathy is hampered by poor survival of the implanted cells. Recently, SC-derived exosomes have been shown to facilitate cell proliferation and survival by transporting various proteins and non-coding RNAs (such as microRNAs and lncRNAs). In this study, miR-21 was highly enriched in exosomes derived from bone marrow mesenchymal stem cells (MSCs). Interestingly, exosomes collected from hydrogen peroxide (H2O2)-treated MSCs (H-Exo) contained higher levels of miR-21 than exosomes released from MSCs under normal conditions (N-Exo)...
2018: PloS One
https://www.readbyqxmd.com/read/29442525/comparative-analysis-of-mesenchymal-stem-cells-from-bone-marrow-adipose-tissue-and-dental-pulp-as-sources-of-cell-therapy-for-zone-of-stasis-burns
#8
Ozan Luay Abbas, Orhan Özatik, Zeynep Burçin Gönen, Serdal Öğüt, Fikriye Yasemin Özatik, Hasan Salkın, Ahmet Musmul
INTRODUCTION: The implantation of mesenchymal stem cells (MSCs) has been shown to exert benefits for the survival of the zone-of-stasis. However, the clinical experience indicates the importance of selecting the right source and type of stem cells. Therefore, we planned the current study to perform a quantitative comparison of MSCs isolated from three different sources to provide information useful in selection of the optimal source and to see whether critical mechanisms are conserved between different populations...
February 14, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29442265/integrated-mrna-and-mirna-profiling-revealed-deregulation-of-cellular-stress-response-in-bone-marrow-mesenchymal-stem-cells-derived-from-patients-with-immune-thrombocytopenia
#9
Jia-Min Zhang, Xiao-Lu Zhu, Jing Xue, Xiao Liu, X Long Zheng, Ying-Jun Chang, Kai-Yan Liu, Xiao-Jun Huang, Xiao-Hui Zhang
Our understanding of the pathogenesis of immune thrombocytopenia (ITP) remains limited due to the complexity and heterogeneity of the disease. Recently, we observed that bone marrow mesenchymal stem cells (MSCs) derived from ITP patients exhibited growth defects and functional abnormalities that might be involved in the breakdown of self-tolerance. However, the underlying mechanism remains unclear. In this study, we profiled the expression of both mRNAs and miRNAs by utilizing the microarray technique and deciphered the mechanism underlying the impairment of MSCs derived from ITP patients (MSC-ITP)...
February 13, 2018: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/29441735/the-role-of-mmu-mir-155-5p-nf-%C3%AE%C2%BAb-signaling-in-the-education-of-bone-marrow-derived-mesenchymal-stem-cells-by-gastric-cancer-cells
#10
Mei Wang, Fang Yang, Rong Qiu, Mengchu Zhu, Huiling Zhang, Wenrong Xu, Bo Shen, Wei Zhu
Bone marrow-derived mesenchymal stem cells (BM-MSCs) are important precursors of tumor stromal cells. Previously, we have demonstrated that miR-155-5p inhibition directly induced transition of BM-MSCs into gastric cancer-associated MSCs. Whether miR-155-5p is involved in the education of BM-MSCs by gastric cancer cells has not been established. Murine BM-MSCs (mMSCs) were isolated and grown in conditioned medium derived from gastric cancer cell line MFC (MFC-CM). The tumor-promoting phenotype and function of mMSCs were detected by immunofluorescence staining, quantitative reverse transcription-polymerase chain reaction (qRT-PCR), cell colony formation assay, transwell migration, and invasion assays...
February 14, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29441602/erk1-2-and-akt-phosphorylation-were-essential-for-mgf-e-peptide-regulating-cell-morphology-and-mobility-but-not-proangiogenic-capacity-of-bmscs-under-severe-hypoxia
#11
Yongqiang Sha, Li Yang, Yonggang Lv
Severe hypoxia inhibits the adhesion and mobility of bone marrow-derived mesenchymal stem cells (BMSCs) and limits their application in bone tissue engineering. In this study, CoCl2was used to simulate severe hypoxia and the effects of mechano-growth factor (MGF) E peptide on the morphology, adhesion, migration, and proangiogenic capacity of BMSCs under hypoxia were measured. It was demonstrated that severe hypoxia (500-μM CoCl2) significantly caused cell contraction and reduced cell area, roundness, adhesion, and migration of BMSCs...
February 13, 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29438105/magnetic-resonance-and-photoacoustic-imaging-of-brain-tumor-mediated-by-mesenchymal-stem-cell-labeled-with-multifunctional-nanoparticle-introduced-via-carotid-artery-injection
#12
Yang Qiao, Joy Gumin, Christopher MacLellan, Feng Gao, Richard Bouchard, Frederick Lang, R Jason Stafford, Marites P Melancon
To evaluate the feasibility of visualizing bone marrow-derived human mesenchymal stem cells (MSCs) labeled with a gold-coated magnetic resonance (MR)-active multifunctional nanoparticle (SPIO@Au) for assessing the extent of MSC homing in glioma- bearing mice following carotid artery MSC injection. MATERIALS AND METHODS: Nanoparticle containing superparamagnetic iron oxide coated with gold (SPIO@Au) having a diameter of ~82 nm and maximum absorbance in the near infrared (NIR) region was synthesized...
February 13, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29436646/in-vitro-evaluation-of-a-bone-morphogenetic-protein%C3%A2-2-nanometer-hydroxyapatite-collagen-scaffold-for-bone-regeneration
#13
Yue Cai, Shuang Tong, Ran Zhang, Tong Zhu, Xukai Wang
Scaffold fabrication and biocompatibility are crucial for successful bone tissue engineering. Nanometer hydroxyapatite (nHAP) combined with collagen (COL) is frequently utilized as a suitable osseous scaffold material. Furthermore, growth factors, including bone morphogenetic protein‑2 (BMP‑2), are used to enhance the scaffold properties. The present study used blending and freeze‑drying methods to develop a BMP‑2‑nHAP‑COL scaffold. An ELISA was performed to determine the BMP‑2 release rate from the scaffold...
February 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29434189/ablation-of-protein-phosphatase-5-pp5-leads-to-enhanced-both-bone-and-cartilage-development-in-mice
#14
Jun Wang, Yong Cao, Bin Qiu, Jianyong Du, Tingting Wang, Chao Wang, Ran Deng, Xudong Shi, Kai Gao, Zhongwen Xie, Weidong Yong
This study aimed to investigate the role of protein phosphatase 5 (PP5) on bone and cartilage development using both in vivo and in vitro approaches. Six- to 8-week- old male PP5 knockout mice (KO) and their wild-type (WT) littermate controls were randomly selected for this study, and their body weights and bone (femur) lengths were measured. Micro-computed tomography scanning (Micro-CT) was performed to determine femoral bone density and micro-architecture. Mesenchymal stem cells (MSCs) isolated from bone marrow were used to examine the effects of PP5 on osteogenesis in vitro...
February 12, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29433563/therapeutic-effect-of-human-umbilical-cord-derived-mesenchymal-stem-cells-on-injured-rat-endometrium-during-its-chronic-phase
#15
Lu Zhang, Ying Li, Chun-Yi Guan, Shi Tian, Xiao-Dan Lv, Jian-Hui Li, Xu Ma, Hong-Fei Xia
BACKGROUND: Repair deficiency after endometrial injury is an important reason for intra-uterine adhesions, amenorrhea, and infertility in females. Bone marrow-derived mesenchymal stem cell (BMSC) transplantation is effective in repairing the damaged endometrium. However, the possibility of using umbilical cord-derived MSCs (UC-MSCs) to treat endometrial injury is rarely reported. METHODS: Ethanol (95%) was injected into rat uterus to establish a model of endometrial injury...
February 13, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29432919/yap1-is-essential-for-osteoclastogenesis-through-a-teads-dependent-mechanism
#16
Liming Zhao, Hanfeng Guan, Chao Song, Yuting Wang, Changyu Liu, Cong Cai, Hao Zhu, Hui Liu, Libo Zhao, Jun Xiao
Yes-associated protein 1 (YAP1), the core effector of the Hippo signaling pathway, has been identified as a key regulator of tissue homeostasis and organ development by controlling cell proliferation and differentiation. Previous studies have shown that YAP1 regulates multiple steps during skeletal development and bone remodeling, including the self-renewal and differentiation of mesenchymal stem cells (MSCs). However, its role in osteoclastogenesis remains largely unknown. Here, we report that YAP1 is an essential regulator for osteoclast differentiation and activity...
February 9, 2018: Bone
https://www.readbyqxmd.com/read/29432581/14q32-and-let-7-micrornas-regulate-transcriptional-networks-in-fetal-and-adult-human-erythroblasts
#17
Samuel Lessard, Mélissa Beaudoin, Stuart H Orkin, Daniel E Bauer, Guillaume Lettre
In humans, fetal erythropoiesis takes place in the liver whereas adult erythropoiesis occurs in the bone marrow. Fetal and adult erythroid cells are not only produced at different sites, but are also distinguished by their respective transcriptional program. In particular, whereas fetal erythroid cells express γ-globin chains to produce fetal hemoglobin (HbF), adult cells express β-globin chains to generate adult hemoglobin. Understanding the transcriptional regulation of the fetal-to-adult hemoglobin switch is clinically important as re-activation of HbF production in adult erythroid cells would represent a promising therapy for the hemoglobin disorders sickle cell disease and β-thalassemia...
February 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29430919/photo-responsive-hydrogels-with-photoswitchable-mechanical-properties-allow-time-resolved-analysis-of-cellular-responses-to-matrix-stiffening
#18
I-Ning Lee, Oana Dobre, David Richards, Christoph Ballestrem, Judith Curran, John A Hunt, Stephen M Richardson, Joe Swift, Lu Shin Wong
As cell function and phenotype can be directed by the mechanical characteristics of the surrounding matrix, hydrogels have become important platforms for cell culture systems, with properties that can be tuned by external stimuli such as divalent cations, enzymatic treatment and pH. However, many of these stimuli can directly affect cell behaviour, making it difficult to distinguish purely mechanical signalling events. This study reports on the development of a hydrogel that incorporates photoswitchable crosslinkers, which can reversibly alter their stiffness upon irradiation with the appropriate wavelength of light...
February 12, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29429943/cd157-marks-tissue-resident-endothelial-stem-cells-with-homeostatic-and-regenerative-properties
#19
Taku Wakabayashi, Hisamichi Naito, Jun-Ichi Suehiro, Yang Lin, Hideya Kawaji, Tomohiro Iba, Tsukasa Kouno, Sachi Ishikawa-Kato, Masaaki Furuno, Kazuhiro Takara, Fumitaka Muramatsu, Jia Weizhen, Hiroyasu Kidoya, Katsuhiko Ishihara, Yoshihide Hayashizaki, Kohji Nishida, Mervin C Yoder, Nobuyuki Takakura
The generation of new blood vessels via angiogenesis is critical for meeting tissue oxygen demands. A role for adult stem cells in this process remains unclear. Here, we identified CD157 (bst1, bone marrow stromal antigen 1) as a marker of tissue-resident vascular endothelial stem cells (VESCs) in large arteries and veins of numerous mouse organs. Single CD157+ VESCs form colonies in vitro and generate donor-derived portal vein, sinusoids, and central vein endothelial cells upon transplantation in the liver...
February 1, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29428718/synergistic-effects-of-simvastatin-and-bone-marrow-derived-mesenchymal-stem-cells-on-hepatic-fibrosis
#20
Yoon Ok Jang, Sung Hoon Kim, Mee-Yon Cho, Kyung Sik Kim, Kyu-Sang Park, Seung-Kuy Cha, Moon Young Kim, Sei Jin Chang, Soon Koo Baik
The beneficial effects of simvastatin on fibrosis in various organs have been reported. In addition, bone marrow (BM)-derived mesenchymal stem cells (MSCs) have been suggested as an effective therapy for hepatic fibrosis and cirrhosis. Recent evidence suggests that pharmacological treatment devoted to regulating stem cell function is a potential new therapeutic strategy that is drawing nearer to clinical practice. The aim of this study was to determine whether the combination treatment of simvastatin plus MSCs (Sim-MSCs) could have a synergistic effect on hepatic fibrosis in a thioacetamide (TAA)-induced cirrhotic rat model and hepatic stellate cells (HSCs)...
February 8, 2018: Biochemical and Biophysical Research Communications
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