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https://www.readbyqxmd.com/read/28534038/analysis-of-mitochondrial-transfer-in-direct-co-cultures-of-human-monocyte-derived-macrophages-mdm-and-mesenchymal-stem-cells-msc
#1
Megan V Jackson, Anna D Krasnodembskaya
Mesenchymal stem/stromal cells (MSC) are adult stem cells which have been shown to improve survival, enhance bacterial clearance and alleviate inflammation in pre-clinical models of acute respiratory distress syndrome (ARDS) and sepsis. These diseases are characterised by uncontrolled inflammation often underpinned by bacterial infection. The mechanisms of MSC immunomodulatory effects are not fully understood yet. We sought to investigate MSC cell contact-dependent communication with alveolar macrophages (AM), professional phagocytes which play an important role in the lung inflammatory responses and anti-bacterial defence...
May 5, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28531107/analysis-of-gene-expression-signatures-in-cancer-associated-stroma-from-canine-mammary-tumours-reveals-molecular-homology-to-human-breast-carcinomas
#2
Julia Ettlin, Elena Clementi, Parisa Amini, Alexandra Malbon, Enni Markkanen
Cancer-associated stroma (CAS) plays a key role in cancer initiation and progression. Spontaneously occurring canine mammary carcinomas are viewed as excellent models of human breast carcinomas. Considering the importance of CAS for human cancer, it likely plays a central role in canine tumours as well. So far, however, canine CAS lacks characterisation, and it remains unclear whether the biology between CAS from canine and human tumours is comparable. In this proof-of-principle study, using laser-capture microdissection, we isolated CAS and normal stroma from 13 formalin-fixed paraffin embedded canine simple mammary carcinomas and analysed the expression of seven known human CAS markers by RT-qPCR (Reverse Transcription quantitative PCR) and validated some targets by immunohistochemistry...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28526501/hypoxia-modulates-cell-migration-and-proliferation-in-placenta-derived-mesenchymal-stem-cells
#3
Li Li, Prashant Kumar Jaiswal, Georges Makhoul, Rishi Jurakhan, Kaviyanka Selvasandran, Khalid Ridwan, Renzo Cecere
OBJECTIVES: For more than a decade, stem cells isolated from different tissues have been evaluated in cell therapy. Among them, the human bone marrow-derived mesenchymal stem cells (hBM-MSCs) were investigated extensively in the treatment of myocardial infarction. Recently, the human placenta-derived mesenchymal stem cells (hPD-MSCs), which are readily available from a biological waste, appear to be a viable alternative to hBM-MSCs. METHODS: C-X-C chemokine receptor type 4 (CXCR4) gene expression and localization were detected and validated in hPD-MSCs and hBM-MSCs via polymerase chain reaction and immunofluorescence...
April 13, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28515923/expression-of-cxcr-4-and-ido-in-human-colorectal-cancer-an-immunohistochemical-approach
#4
Masaichi Ogawa, Michiaki Watanabe, Takuo Hasegawa, Kohei Ichihara, Kazuhiko Yoshida, Katsuhiko Yanaga
C-X-C chemokine receptor type 4 (CXCR4), the receptor for the chemokine stromal cell-derived factor (SDF)-1 [also known as C-X-C motif chemokine 12 (CXCL12)], is involved in lymphocyte trafficking. Recent studies have demonstrated that, during pregnancy, a placental enzyme called indoleamine 2, 3-dioxygenase (IDO) exerts a key role in suppressing the maternal T-cell response against the fetus. In the present study, the significance of CXCR4 and IDO expression in human colorectal cancer (CRC) has been investigated by immunohistochemical assay, and their association with survival was analyzed...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28513874/%C3%AE-3-adrenergic-regulation-of-epc-features-through-manipulation-of-the-bone-marrow-msc-niche
#5
Rana Vafaei, Seyed Mahdi Nassiri, Vahid Siavashi
Mesenchymal stem cells (MSCs) reside in a specific niche in the bone marrow however biological features of this niche are still not fully understood. Given the interactions of MSCs with endothelial cells in different tissues, bone marrow MSC niche may influence the biological features of endothelial progenitor cells (EPCs). To understand the role of the sympathetic nervous system in regulation of the MSC niche, we examined whether the manipulation of the MSC niche via β3-adrenergic signals will affect EPC features...
May 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28510269/kallikrein-related-peptidase-4-induces-cancer-associated-fibroblast-features-in-prostate-derived-stromal-cells
#6
T Kryza, L M Silva, N Bock, R A Fuhrman-Luck, C R Stephens, J Gao, H Samaratunga, M G Lawrence, J D Hooper, Y Dong, G P Risbridger, J A Clements
The reciprocal communication between cancer cells and their microenvironment is critical in cancer progression. Although involvement of cancer-associated fibroblasts (CAF) in cancer progression is long established, the molecular mechanisms leading to differentiation of CAFs from normal fibroblasts are poorly understood. Here, we report that kallikrein-related peptidase-4 (KLK4) promotes CAF differentiation. KLK4 is highly expressed in prostate epithelial cells of premalignant (prostatic intra-epithelial neoplasia) and malignant lesions compared to normal prostate epithelia, especially at the peri-stromal interface...
May 16, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28504963/novel-pleiotropic-effects-of-bioactive-phospholipids-in-human-lung-cancer-metastasis
#7
Gabriela Schneider, Zachariah Payne Sellers, Kamila Bujko, Sham S Kakar, Magda Kucia, Mariusz Z Ratajczak
We previously proposed that one of the unwanted side effects of chemotherapy and radiotherapy is the increase in several peptide- and non-peptide based chemoattractants in damaged tissues, leading to induction of a prometastatic microenvironment for remaining cancer cells. Herein, we turned out our attention to a potential role of bioactive phospholipids (BphsLs), such as sphingosine-1-phosphate (S1P), ceramide-1-phosphate (C1P), lysophosphatidylcholine (LPC), and lysophosphatidic acid (LPA) in lung cancer (LC) metastasis...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28504197/intravenous-injection-of-umbilical-cord-derived-mesenchymal-stromal-cells-attenuates-reactive-gliosis-and-hypomyelination-in-a-neonatal-intraventricular-hemorrhage-model
#8
Takeo Mukai, Yuka Mori, Takahisa Shimazu, Atsuko Takahashi, Hajime Tsunoda, Satoru Yamaguchi, Shigeru Kiryu, Arinobu Tojo, Tokiko Nagamura-Inoue
Intraventricular hemorrhage (IVH) is a frequent complication of preterm newborns, resulting in cerebral palsy and cognitive handicap as well as hypoxic ischemic encephalopathy and periventricular leukomalacia. In this study, we investigated the restorative effect on neonatal IVH by umbilical cord-derived mesenchymal stromal cells (UC-MSCs) cultured in serum-free medium (RM medium) for clinical application. UC-MSCs were cultured with αMEM medium supplemented with FBS or RM. A neonatal IVH mouse model at postnatal day 5 was generated by intraventricular injection of autologous blood, and mice were intravenously administered 1×10(5) UC-MSCs two days after IVH...
May 11, 2017: Neuroscience
https://www.readbyqxmd.com/read/28499457/preconditioning-of-bone-marrow-derived-mesenchymal-stromal-cells-by-tetramethylpyrazine-enhances-cell-migration-and-improves-functional-recovery-after-focal-cerebral-ischemia-in-rats
#9
Lin Li, Lisheng Chu, Yan Fang, Yan Yang, Tiebing Qu, Jianping Zhang, Yuanjun Yin, Jingjing Gu
BACKGROUND: Transplantation of bone marrow-derived mesenchymal stem cells (BMSCs) is one of the new therapeutic strategies for treating ischemic stroke. However, the relatively poor migratory capacity of BMSCs toward infarcted regions limited the therapeutic potential of this approach. Pharmacological preconditioning can increase the expression of CXC chemokine receptor 4 (CXCR4) in BMSCs and enhance cell migration toward the injury site. In the present study, we investigated whether tetramethylpyrazine (TMP) preconditioning could enhance BMSCs migration to the ischemic brain and improve functional recovery through upregulating CXCR4 expression...
May 12, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28491094/immunoprofiling-of-adult-derived-human-liver-stem-progenitor-cells-impact-of-hepatogenic-differentiation-and-inflammation
#10
Hoda El-Kehdy, Camillo Sargiacomo, Mohammad Fayyad-Kazan, Hussein Fayyad-Kazan, Catherine Lombard, Laurence Lagneaux, Etienne Sokal, Mehdi Najar, Mustapha Najimi
Adult-derived human liver stem/progenitor cells (ADHLSCs) are, nowadays, developed as therapeutic medicinal product for the treatment of liver defects. In this study, the impact of hepatogenic differentiation and inflammation priming on the ADHLSCs' immune profile was assessed in vitro and compared to that of mature hepatocytes. The constitutive immunological profile of ADHLSCs was greatly different from that of hepatocytes. Differences in the expression of the stromal markers CD90 and CD105, adhesion molecules CD44 and CD49e, immunoregulatory molecules CD73 and HO-1, and NK ligands CD112 and CD155 were noted...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28490433/peripheral-blood-cytokine-levels-after-acute-myocardial-infarction-il-1%C3%AE-and-il-6-related-impairment-of-bone-marrow-function
#11
Mahan Shahrivari, Elizabeth Wise, Micheline M Resende, Jonathan J Shuster, Jingnan Zhang, Roberto Bolli, John P Cooke, Joshua M Hare, Timothy D Henry, Aisha Khan, Doris A Taylor, Jay H Traverse, Phillip C Yang, Carl J Pepine, Christopher R Cogle
Rationale: Intracoronary infusion of bone marrow mononuclear cells (BM-MNCs) after acute myocardial infarction (AMI) has led to limited improvement in left ventricular (LV) function. Although experimental AMI models have implicated cytokine-related impairment of progenitor cell function, this response has not been investigated in humans. Objective: To test the hypothesis that peripheral blood (PB) cytokines predict bone marrow (BM) endothelial progenitor cell (EPC) colony outgrowth and cardiac function after AMI...
May 10, 2017: Circulation Research
https://www.readbyqxmd.com/read/28490276/endometrial-stromal-and-epithelial-cells-exhibit-unique-aberrant-molecular-defects-in-patients-with-endometriosis
#12
Philip C Logan, Pamela Yango, Nam D Tran
CONTEXT: Endometriosis is a chronic inflammatory disease that causes pain and infertility in women of reproductive age. OBJECTIVE: To investigate the pathologic pathways in endometrial stromal and epithelial cells that contribute to the manifestation of endometriosis. DESIGN: In vitro cellular and molecular analyses of isolated eutopic endometrial stromal and epithelial cells. METHODS: Eutopic stromal and epithelial cells from endometriotic and normal patients were isolated by fluorescence-activated cell sorting for paired sibling RNA sequencing and microRNA microarray...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28486987/progress-of-stem-progenitor-cell-based-therapy-for-retinal-degeneration
#13
REVIEW
Zhimin Tang, Yi Zhang, Yuyao Wang, Dandan Zhang, Bingqiao Shen, Min Luo, Ping Gu
Retinal degeneration (RD), such as age-related macular degeneration (AMD) and retinitis pigmentosa, is one of the leading causes of blindness. Presently, no satisfactory therapeutic options are available for these diseases principally because the retina and retinal pigmented epithelium (RPE) do not regenerate, although wet AMD can be prevented from further progression by anti-vascular endothelial growth factor therapy. Nevertheless, stem/progenitor cell approaches exhibit enormous potential for RD treatment using strategies mainly aimed at the rescue and replacement of photoreceptors and RPE...
May 10, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28483704/genome-wide-analysis-of-ar-binding-and-comparison-with-transcript-expression-in-primary-human-fetal-prostate-fibroblasts-and-cancer-associated-fibroblasts
#14
REVIEW
Claire Nash, Nadia Boufaied, Ian G Mills, Omar E Franco, Simon W Hayward, Axel A Thomson
The androgen receptor (AR) is a transcription factor, and key regulator of prostate development and cancer, which has discrete functions in stromal versus epithelial cells. AR expressed in mesenchyme is necessary and sufficient for prostate development while loss of stromal AR is predictive of prostate cancer progression. Many studies have characterized genome-wide binding of AR in prostate tumour cells but none have used primary mesenchyme or stroma. We applied ChIPseq to identify genomic AR binding sites in primary human fetal prostate fibroblasts and patient derived cancer associated fibroblasts, as well as the WPMY1 cell line overexpressing AR...
May 5, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28478920/intravenous-infusion-of-adipose-derived-stem-stromal-cells-improves-functional-recovery-of-rats-with-spinal-cord-injury
#15
Yuki Ohta, Akemi Hamaguchi, Masanori Ootaki, Minoru Watanabe, Yuko Takeba, Taroh Iiri, Naoki Matsumoto, Mitsuko Takenaga
BACKGROUND AIMS: Adipose tissue has therapeutic potential for spinal cord injury (SCI) because it contains multipotent cells known as adipose-derived stem/stromal cells (ASCs). In this study, we attempted intravenous ASC transplantation in rats with SCI to examine the effect on functional recovery. METHODS: ASCs (2.5 × 10(6)) were intravenously infused into SCI rats, after which hindlimb motor function was evaluated. Distribution of transplanted ASCs was investigated and growth factor/cytokine levels were determined...
May 3, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28478702/sdf-1-accelerates-cartilage-defect-repairing-by-recruiting-bmscs-and-promoting-chondrolgenic-differentiation
#16
Yuze Wang, Xiaojuan Sun, Jia Lv, Lingyuan Zeng, Xiaochun Wei, Lei Wei
Chemokine stromal cell-derived factor-1 (SDF-1) is a powerful chemoattractant for the localization of CXCR4 positive bone marrow stem cell (BMSC) into the bone marrow. We studied the effects of SDF-1 on the cartilage defect repair by recruiting BMSCs and promoting its chondrolgenic differentiation in vitro and in vivo. Chemotaxis analysis with Transwell plate showed that SDF-1 could recruit BMSCs through SDF-1/CXCR4 axis. RT-PCR, ELISA, and western blot results suggested that the levels of type II collagen and GAG were increased after incubation the BMSCs with SDF-1 compared with without SDF-1 group...
May 6, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28471327/renal-regenerative-potential-of-different-extra-cellular-vesicle-populations-derived-from-bone-marrow-mesenchymal-stromal-cells
#17
Stefania Bruno, Marta Tapparo, Federica Collino, Giulia Chiabotto, Maria Chiara Deregibus, Rafael Soares Lindoso, Francesco Neri, Sharad Kholia, Sara Giunti, Sicheng Wen, Peter Quesenberry, Giovanni Camussi
Extra-cellular vesicles (EVs) derived from human bone marrow mesenchymal stromal cells (MSCs) promote the regeneration of kidneys in different animal models of AKI in a manner comparable to the cells of origin. However, due to the heterogeneity observed in the EVs isolated from MSC, it is unclear which population is responsible for the pro-regenerative effects. We therefore evaluated the effect of various EV-populations separated by differential ultracentrifugation (10K population enriched with microvesicles and 100K population enriched with exosomes) on AKI recovery...
May 4, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28462822/effects-of-human-umbilical-cord-blood-derived-mesenchymal-stromal-cells-and-dermal-fibroblasts-on-diabetic-wound-healing
#18
Kyung-Chul Moon, Jong-Seok Lee, Seung-Kyu Han, Hyup-Woo Lee, Eun-Sang Dhong
BACKGROUND AIMS: A previous study demonstrated that human umbilical cord blood-derived mesenchymal stromal cells (hUCB-MSCs) have superior wound-healing activity compared with fibroblasts in vitro. However, wound healing in vivo is a complex process that involves multiple factors. The purpose of this study was to compare the effects of hUCB-MSCs and fibroblasts on diabetic wound healing in vivo. This study especially focused on collagen synthesis and angiogenesis, which are considered to be the important factors affecting diabetic wound healing...
April 24, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28462460/combined-administration-of-ascs-and-bmp-12-promotes-an-m2-macrophage-phenotype-and-enhances-tendon-healing
#19
Richard H Gelberman, Stephen W Linderman, Rohith Jayaram, Anna D Dikina, Shelly Sakiyama-Elbert, Eben Alsberg, Stavros Thomopoulos, Hua Shen
BACKGROUND: Outcomes after intrasynovial tendon repair are highly variable. An intense inflammatory cascade followed by a delayed healing response can cause adhesion formation and repair-site failure that severely impair the function of repaired digits. No effective remedies exist to fully address these issues. Cell- and growth factor-based therapies have been shown to modulate inflammation and improve cell proliferation and matrix synthesis and therefore are promising treatment approaches for intrasynovial tendon repair...
May 1, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28462209/lung-ischemia-reperfusion-injury-the-therapeutic-role-of-dipeptidyl-peptidase-4-inhibition
#20
REVIEW
Paul A J Beckers, Jan F Gielis, Paul E Van Schil, Dirk Adriaensen
Dipeptidyl peptidase 4 (DPP4) is a cell surface protease that has been reported to play a role in glucose homeostasis, cancer, HIV, autoimmunity, immunology and inflammation. A role for DPP4 in ischemia-reperfusion injury (IRI) in the heart has been established. Dipeptidyl peptidase 4 inhibition (DPP4i) appeared to decrease infarct size, improves cardiac function and promotes myocardial regeneration. Lung ischemia reperfusion injury is caused by a complex mechanism in which macrophages and neutrophils play an important role...
March 2017: Annals of Translational Medicine
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