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https://www.readbyqxmd.com/read/27922138/mitomycin-c-treated-human-induced-pluripotent-stem-cells-as-a-safe-delivery-system-of-gold-nanorods-for-targeted-photothermal-therapy-of-gastric-cancer
#1
Meng Yang, Yanlei Liu, Wenxiu Hou, Xiao Zhi, Chunlei Zhang, Xinquan Jiang, Fei Pan, Yuming Yang, Jian Ni, Daxiang Cui
Human-induced pluripotent stem cells (iPS) possess an intrinsic tumor tropism ability. However, iPS cells are impeded in clinical applications of tumor therapy due to the formation of teratomas and their survival in normal organs such as the liver, lungs, spleen and kidneys. Mitomycin C (MMC) can overcome this limitation by suppressing iPS proliferation. Herein, we fabricated a safe delivery system of iPS cells treated with MMC loading with gold nanorods (AuNRs) for the targeted photothermal treatment of gastric cancer...
December 6, 2016: Nanoscale
https://www.readbyqxmd.com/read/27910896/methylmercury-induces-the-expression-of-tnf-%C3%AE-selectively-in-the-brain-of-mice
#2
Miyuki Iwai-Shimada, Tsutomu Takahashi, Min-Seok Kim, Masatake Fujimura, Hitoyasu Ito, Takashi Toyama, Akira Naganuma, Gi-Wook Hwang
Methylmercury selectively damages the central nervous system (CNS). The tumor necrosis factor (TNF) superfamily includes representative cytokines that participate in the inflammatory response as well as cell survival, and apoptosis. In this study, we found that administration of methylmercury selectively induced TNF-α expression in the brain of mice. Although the accumulated mercury concentration in the liver and kidneys was greater than in the brain, TNF-α expression was induced to a greater extent in brain...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904699/generation-of-induced-pluripotent-stem-cells-with-high-efficiency-from-human-embryonic-renal-cortical-cells
#3
Ling Yao, Ruifang Chen, Pu Wang, Qi Zhang, Hailiang Tang, Huaping Sun
Reprogramming of somatic cells into induced pluripotent stem cells (iPSCs) emerges as a prospective therapeutic angle in regenerative medicine and a tool for drug screening. Although increasing numbers of iPSCs from different sources have been generated, there has been limited progress in yield of iPSC. Here, we show that four Yamanaka factors Oct4, Sox2, Klf4 and c-Myc can convert human embryonic renal cortical cells (hERCCs) to pluripotent stem cells with a roughly 40-fold higher reprogramming efficiency compared with that of adult human dermal fibroblasts...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903222/sustained-elabela-gene-therapy-in-high-salt-induced-hypertensive-rats
#4
Claire A Schreiber, Sara J Holditch, Alex Generous, Yasuhiro Ikeda
BACKGROUND: Elabela (ELA) is a recently identified apelin receptor agonist essential for cardiac development, but its biology and therapeutic potential are unclear. In humans ELA transcripts are detected in embryonic stem cells, induced pluripotent stem cells, kidney, heart and blood vessels. ELA through the apelin receptor promotes angiogenesis in vitro, relaxes murine aortic blood vessels and attenuates high blood pressure in vivo. The apelin receptor when bound to its original ligand, apelin, exerts peripheral vasodilatory and positive inotropic effects, conferring cardioprotection in vivo...
November 21, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27900108/high-dose-chemotherapy-with-autologous-peripheral-blood-stem-cell-transplantation-for-choriocarcinoma-a-case-report-and-literature-review
#5
Eiko Yamamoto, Kaoru Niimi, Kayo Fujikake, Tetsuya Nishida, Makoto Murata, Ayako Mitsuma, Yuichi Ando, Fumitaka Kikkawa
Choriocarcinoma is a malignant gestational trophoblastic neoplasia (GTN) and one of the curable types of gynecological cancer. However, 10% of choriocarcinoma patients have a poor prognosis, particularly when they have metastasis, apart from pulmonary metastasis, or do not go into remission by the second chemotherapeutic regimen. We herein present the case of a 36-year-old patient who had choriocarcinoma with metastases to the lungs, liver and kidneys. The 5th and 6th regimens with cisplatin for choriocarcinoma failed and the patient developed brain metastases...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27896234/frequency-and-associated-factors-of-amphotericin-b-nephrotoxicity-in-hospitalized-patients-in-hematology-oncology-wards-in-the-southwest-of-iran
#6
Iman Karimzadeh, Marziyeh Heydari, Mani Ramzi, Mohammad Mahdi Sagheb
BACKGROUND: Nephrotoxicity is the most clinically significant adverse reaction of amphotericin B. Different aspects of amphotericin B (AmB) nephrotoxicity have not been studied well in our population. OBJECTIVES: The purpose of this study was to assess the frequency, time onset, and possible associated factors of AmB nephrotoxicity in hospitalized patients in hematology-oncology wards in the southwest of Iran. PATIENTS AND METHODS: A cross-sectional, observational study was performed over a period of 9 months at 2 hematology-oncology and 1 hematopoietic stem cell transplantation wards at Namazi Hospital...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27892545/erythrocyte-membrane-based-cationic-polymer-mcdna-complexes-as-an-efficient-gene-delivery-system
#7
Ping Huang, Jing Zhao, Chiju Wei, Xiaohu Hou, Pingzhang Chen, Yan Tan, Cheng-Yi He, Zhiyong Wang, Zhi-Ying Chen
Gene therapy has great promise for the treatment of obtained and inherited serious diseases. However, the lack of safe and efficient gene delivery systems remains a barrier for their clinical application. Here, we reported a potential gene delivery vehicle composed of the erythrocyte membrane and cationic polymers, for example the XtremeGENE from Roche and the ε-caprolactone modified polyethylenimine. In addition to high efficiency, this system showed negligible cytotoxicity compared to the two cationic polymers alone in various cell lines, including human embryonic kidney cells (293T), human liver cancer cells (Huh7 and HepG2), murine dendritic cells (DC2...
November 28, 2016: Biomaterials Science
https://www.readbyqxmd.com/read/27888562/parainfluenza-3-infections-early-after-kidney-or-simultaneous-pancreas-kidney-transplantation
#8
Ilkka Helanterä, Veli-Jukka Anttila, Raisa Loginov, Marko Lempinen
Parainfluenza (PIV) can cause serious infections after hematopoietic stem cell or lung transplantation. Limited data exist about PIV infections after kidney transplantation. We describe an outbreak of PIV-3 in a transplant unit. During the outbreak 45 patients were treated on the ward for postoperative care after kidney or simultaneous pancreas-kidney (SPK) transplantation. Altogether 29 patients were tested for respiratory viruses (12 patients with respiratory symptoms, 17 asymptomatic exposed patients) from nasopharyngeal swabs with PCR...
November 26, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27887719/leucine-rich-repeat-containing-g-protein-coupled%C3%A2-receptor%C3%A2-5-positive%C3%A2-cells%C3%A2-in-the-endometrial-stem-cell-niche
#9
Irene Cervelló, Claudia Gil-Sanchis, Xavier Santamaría, Amparo Faus, Julia Vallvé-Juanico, Patricia Díaz-Gimeno, Oriana Genolet, Antonio Pellicer, Carlos Simón
OBJECTIVE: To study, isolate and characterize leucine-rich repeat-containing heterotrimeric guanine nucleotide-binding protein-coupled receptor 5 (LGR5)-positive cells from human endometrium to determine their functional relevance. DESIGN: Prospective experimental animal study. SETTING: University research laboratories. ANIMAL(S): Nonobese diabetic mice (NOD-SCID) (strain code 394; NOD.CB17-Prkdc(scid)/NcrCrl). INTERVENTION(S): Human LGR5(+) cells were labeled with superparamagnetic iron oxide nanoparticles (SPIOs) and injected under the kidney capsule in immunocompromised mice...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27885340/acute-kidney-injury-in-hematopoietic-stem-cell-transplantation-a-review
#10
REVIEW
Vinod Krishnappa, Mohit Gupta, Gurusidda Manu, Shivani Kwatra, Osei-Tutu Owusu, Rupesh Raina
Hematopoietic stem cell transplantation (HSCT) is a highly effective treatment strategy for lymphoproliferative disorders and bone marrow failure states including aplastic anemia and thalassemia. However, its use has been limited by the increased treatment related complications, including acute kidney injury (AKI) with an incidence ranging from 20% to 73%. AKI after HSCT has been associated with an increased risk of mortality. The incidence of AKI reported in recipients of myeloablative allogeneic transplant is considerably higher in comparison to other subclasses mainly due to use of cyclosporine and development of graft-versus-host disease (GVHD) in allogeneic groups...
2016: International Journal of Nephrology
https://www.readbyqxmd.com/read/27884305/micrornas-in-extracellular-vesicles-protect-kidney-from%C3%A2-ischemic-injury-from-endothelial-to-tubular-epithelial
#11
Man Jiang Livingston, Qingqing Wei
Extracellular vesicles from stem cells or progenitor cells are novel therapeutic systems for acute kidney injury. With exosomes (the smallest class of extracellular vesicles), Viñas et al. successfully rescued ischemic injured kidney. MicroRNA-486-5p, the crucial factor specifically delivered by exosomes to kidney, ameliorates the injury by targeting phosphatase and tensin homolog and inhibiting endothelial cell apoptosis. In this commentary, we discuss the potential underlying mechanism and the pivotal impact of their study on extracellular vesicle therapy...
December 2016: Kidney International
https://www.readbyqxmd.com/read/27878248/immunomodulatory-effects-of-ox40ig-gene-modified-adipose-tissue-derived-mesenchymal-stem-cells-on-rat-kidney-transplantation
#12
Tao Liu, Yue Zhang, Zhongyang Shen, Xunfeng Zou, Xiaobo Chen, Li Chen, Yuliang Wang
Recent studies have suggested that adipose tissue-derived mesenchymal stem cell (ADSC) therapy and OX40 costimulation blockade are two immunomodulatory strategies used to suppress the immune response to alloantigens. However, relatively little has been reported regarding the immunomodulatory potential of the abilityof these two strategies to synergize. Thus, in the present study, we aimed to investigate OX40-Ig fusion protein (OX40Ig) expression in ADSCs and to validate their more potent immunosuppressive activity in preventing renal allograft rejection...
November 21, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27877076/cardiomyogenic-differentiation-of-human-dental-follicle-derived-stem-cells-by-suberoylanilide-hydroxamic-acid-and-their-in-vivo-homing-property
#13
Iel-Yong Sung, Han-Na Son, Imran Ullah, Dinesh Bharti, Ju-Mi Park, Yeong-Cheol Cho, June-Ho Byun, Young-Hoon Kang, Su-Jin Sung, Jong-Woo Kim, Gyu-Jin Rho, Bong-Wook Park
The purpose of the present study was to investigate the in vitro cardiomyogenic differentiation potential of human dental follicle-derived stem cells (DFCs) under the influence of suberoylanilide hydroxamic acid (SAHA), a member of the histone deacetylase inhibitor family, and analyze the in vivo homing capacity of induced cardiomyocytes (iCMs) when transplanted systemically. DFCs from extracted wisdom teeth showed mesenchymal stem cell (MSC) characteristics such as plate adherent growing, expression of MSC markers (CD44, CD90, and CD105), and mesenchymal lineage-specific differentiation potential...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27871857/bmi-1-plays-a-critical-role-in-the-protection-from-acute-tubular-necrosis-by-mobilizing-renal-stem-progenitor-cells
#14
Xianhui Lv, Zhenzhen Yu, Chunfeng Xie, Xiuliang Dai, Qing Li, Dengshun Miao, Jianliang Jin
The regeneration of injured tubular cell occurs primarily from intrinsic renal stem/progenitor cells (RSCs) labeled with CD24 and CD133 after acute tubular necrosis (ATN). Bmi-1 plays a crucial role in regulating self-renewal, differentiation and aging of multiple adult stem cells and progenitor cells. Bmi-1 was rapidly elevated in the induction of adult kidney regeneration by renal injury. To determine whether Bmi-1 maintained mobilization of RSCs in the protection from ATN, glycerol-rhabdomyolysis-induced ATN were performed in wild type (WT) and Bmi-1-deficient (Bmi-1(-/-)) mice...
November 18, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27871849/cd44-fucosylation-on-mesenchymal-stem-cell-enhances-homing-and-macrophage-polarization-in-ischemic-kidney-injury
#15
Kang-Ju Chou, Po-Tsang Lee, Chien-Liang Chen, Chih-Yang Hsu, Wei-Chieh Huang, Chien-Wei Huang, Hua-Chang Fang
The lack of homing ability possibly reduces the healing potential of bone-marrow-derived mesenchymal stem cells (MSCs). Therefore, transforming native CD44 on MSCs into a hematopoietic cell E-/L-selectin ligand (HCELL) that possesses potent E-selectin affinity might enhance the homing and regenerative abilities of MSCs. Through fucosyltransferase VI (FTVI) transfection, MSCs were fucosylated on N-glycans of CD44 to become HCELL positive, thus interacting with E-selectin on injured endothelial cells. HCELL expression facilitated MSC homing in kidneys within 24h after injury and reduced lung stasis...
November 19, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27871114/bone-marrow-stromal-stem-cells-in-tissue-engineering-and-regenerative-medicine
#16
A Polymeri, W V Giannobile, D Kaigler
Bone marrow stromal stem cells (BMSCs) are adult multipotent cells, which have the potential to differentiate into cell types of mesodermal origin, namely osteocytes, adipocytes, and chondrocytes. Due to their accessibility and expansion potential, BMSCs have historically held therapeutic promise in tissue engineering and regenerative medicine applications. More recently, it has been demonstrated that not only can bone marrow stromal stem cells directly participate in tissue regeneration, but they also have the capacity to migrate to distant sites of tissue injury, where they can participate in tissue repair either directly through their differentiation or indirectly through paracrine mechanisms...
November 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/27855848/transfusion-of-cd206-m2-macrophages-ameliorates-antibody-mediated-glomerulonephritis-in-mice
#17
Qiuna Du, Naotake Tsuboi, Yiqin Shi, Sachiko Ito, Yutaka Sugiyama, Kazuhiro Furuhashi, Nobuhide Endo, Hangsoo Kim, Takayuki Katsuno, Shin'ichi Akiyama, Seiichi Matsuo, Ken-Ichi Isobe, Shoichi Maruyama
Macrophages are multifunctional immune cells that may either drive or modulate disease pathogenesis, depending on the activated phenotype. In this study, we investigated the protective effects of CD206(+) M2 macrophages against nephrotoxic serum nephritis in mice. We found that these immunosuppressive macrophages, derived from bone marrow and stimulated with IL-4/IL-13 [CD206(+) M2 bone marrow-derived macrophages (M2BMMs)], protected against renal injury, decreased proteinuria, and diminished the infiltration of CD68(+) macrophages, neutrophils, and T cells into glomerular tissue...
December 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27843457/ccr2-positive-exosome-released-by-mesenchymal-stem-cells-suppresses-macrophage-functions-and-alleviates-ischemia-reperfusion-induced-renal-injury
#18
Bing Shen, Jun Liu, Fang Zhang, Yong Wang, Yan Qin, Zhihua Zhou, Jianxin Qiu, Yu Fan
Mesenchymal stem cells (MSCs) derived exosomes have been shown to have protective effects on the kidney in ischemia/reperfusion-induced renal injury. However, the key components in the exosomes and their potential mechanisms for the kidney protective effects are not well understood. In our current study, we focused on the abundant proteins in exosomes derived from MSCs (MSC-exo) and found that the C-C motif chemokine receptor-2 (CCR2) was expressed on MSC-exo with a high ability to bind to its ligand CCL2. We also proved that CCR2 high-expressed MSC-exo could reduce the concentration of free CCL2 and suppress its functions to recruit or activate macrophage...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27832002/renal-differentiation-of-mesenchymal-stem-cells-seeded-on-nanofibrous-scaffolds-improved-by-human-renal-tubular-cell-lines-conditioned-medium
#19
Abdolreza Ardeshirylajimi, Saeid Vakilian, Mohammad Salehi
Kidney injuries and renal dysfunctions are one of the most important clinical problems and tissue engineering could be a valuable method for solving it. The objective of this study was to investigate the synergistic effect of renal cell line conditioned medium and Polycaprolactone nanofibers on renal differentiation of human mesenchymal stem cells. In the present study, after stem cells isolation and characterization, Polycaprolactone nanofibrous scaffold was fabricated using electrospinning methods and characterized morphologically, mechanically and biocompatibility...
November 9, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27830183/human-cytomegalovirus-infection-enhances-nk-cell-activity-in-vitro
#20
Astrid Tschan-Plessl, Martin Stern, Laurent Schmied, Christelle Retière, Hans H Hirsch, Christian Garzoni, Christian van Delden, Katia Boggian, Nicolas J Mueller, Christoph Berger, Jean Villard, Oriol Manuel, Pascal Meylan, Grzegorz Terszowski
BACKGROUND: Occurring frequently after solid organ and hematopoietic stem cell transplantation, cytomegalovirus (CMV) replication remains a relevant cause of mortality and morbidity in affected patients. Despite these adverse effects, an increased alloreactivity of natural killer (NK) cells after CMV infection has been assumed, but the underlying physiopathological mechanisms have remained elusive. METHODS: We used serial analyses of NK cells before and after CMV infection in kidney transplant recipients as an in vivo model for CMV primary infection to explore the imprint of CMV infection using every patient as their own control: We analyzed NK cell phenotype and function in 47 CMV seronegative recipients of CMV seropositive kidney grafts, who developed CMV primary infection posttransplant...
July 2016: Transplantation Direct
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