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Journal of Stem Cells

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https://www.readbyqxmd.com/read/27228582/regeneration-and-carcinogenesis
#1
A V Pechersky, V I Pechersky, A B Smolyaninov, V N Velyaninov, S F Adylov, A Yu Shmelev, O V Pecherskaya, V F Semiglazov
INTRODUCTION: Once people reach 40 years of age, they have a decrease in their pool of pluripotent stem cells, and an increased risk for development of oncological diseases. MATERIALS AND METHODS: The first part of the study was conducted in 11 patients aging 54 to 76 years old with cancer of the kidney, bladder, or prostate in stages III-IV of the disease. The second part of the study was conducted in four patients aged 60-82 years old, who were given from 4 to 7 transfusions of mononuclear fraction of peripheral blood from young donors 19-23 years old, with the same sex and blood types as the recipients, in order to restore cell regeneration...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27144830/effect-of-mobile-phone-induced-electromagnetic-field-on-brain-hemodynamics-and-human-stem-cell-functioning-possible-mechanistic-link-to-cancer-risk-and-early-diagnostic-value-of-electronphotonic-imaging
#2
REVIEW
Hemant Bhargav, T M Srinivasan, S Varambally, B N Gangadhar, Prasad Koka
The mobile phones (MP) are low power radio devices which work on electromagnetic fields (EMFs), in the frequency range of 900-1800 MHz. Exposure to MPEMFs may affect brain physiology and lead to various health hazards including brain tumors. Earlier studies with positron emission tomography (PET) have found alterations in cerebral blood flow (CBF) after acute exposure to MPEMFs. It is widely accepted that DNA double-strand breaks (DSBs) and their misrepair in stem cells are critical events in the multistage origination of various leukemia and tumors, including brain tumors such as gliomas...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27144829/cancer-stem-cells-and-chemoresistance-in-glioblastoma-multiform-a-review-article
#3
REVIEW
Mojdeh Safari, Alireza Khoshnevisan
Glioblastomamultiforme (GBM) is the most common malignant and aggressive primary tumor of the brain in adults and characterized by a heterogeneous population of cells that are genetically unstable, highly infiltrative, angiogenic, and resistant to chemotherapy. Considerable efforts being devoted to identifying the molecular basis of resistance in GBM and exploring novel therapeutic targets that may improve overall survival. Several independent DNA repair mechanisms that normally safeguard genome integrity can facilitate drug resistance and cancer cell survival by removing chemotherapy- induced adducts...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27144828/stem-cells-cultured-on-beta-tricalcium-phosphate-%C3%AE-tcp-in-combination-with-recombinant-human-platelet-derived-growth-factor-bb-rh-pdgf-bb-for-the-treatment-of-human-infrabony-defects
#4
RANDOMIZED CONTROLLED TRIAL
Roshani Dhote, Priti Charde, Manohar Bhongade, Jyotsana Rao
Knowledge gained from the field of tissue engineering, helped to develop a biological substitute that promotes tissue regeneration. The usual biological substitute consists of stem cells, growth factors and an appropriate scaffold. The present randomized controlled clinical and radiographic study was undertaken to evaluate the effectiveness of mesenchymal stem cells cultured on beta tricalcium phosphate (β-TCP) in combination with rh-PDGF-BB in treatment of infrabony defect in humans. A total of 24 infrabony defects in 14 systemically healthy patients were selected for the present study...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27144827/stability-of-reference-genes-during-tri-lineage-differentiation-of-human-adipose-derived-stromal-cells
#5
Luciana Fraga da Costa Diesel, Bruno Paiva dos Santos, Bruno Corrêa Bellagamba, Angelo Syrillo Pretto Neto, Pedro Bins Ely, Lindolfo da Silva Meirelles, Nance Beyer Nardi, Melissa Camassola
Quantitative real-time PCR can detect variations in gene expression. The identification of the stable reference genes (RGs) is necessary to evaluate the expression of specific genes of interest under various conditions in many cell types, including human adipose-derived stromal cells (hASCs). In this study, we used the algorithms BestKeeper, NormFinder, geNorm, and RefFinder to investigate the stability of 15 potential RGs (B2M, eEF1A1, GAPDH, H2AFZ, HMBS, HPRT1, PGK1, PPIA, RPL5, SDHA, TBP, TKT, TRFC, TUBB, and UBC) in hASCs during control, adipo-, chondro-, and osteogenic differentiation for 28 days...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27144826/imiquimod-treatment-effectively-reduces-the-percentage-of-viable-cells-in-a-cervical-carcinoma-cell-line-but-does-not-affect-the-expression-of-hla-g-or-oct-4
#6
Konstantinos Stefanidis, Jessica Patta, Vasilios Pergialiotis, Diamanto Stefanidi, Dimitrios Loutradis
OBJECTIVE: Cervical cancer is a challenging pathologic entity because of its lack of response to conventional chemotherapy. Imiquimod is a synthetic analogue which seems to activate skin immune cells, acting as a Toll-like receptor 7 agonist. Previous studies in the field of cervical cancer have showed that its application may play a significant role in the treatment of cervical HPV infection with or without cervical intraepithelial neoplasia (CIN). In the present study we investigate the therapeutic potential of imiquimod in a cervical carcinoma cell line and evaluate whether the expression of HLA-G and OCT-4 is altered during this treatment...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125141/human-umbilical-cord-mesenchymal-stem-cells-in-the-treatment-of-duchenne-muscular-dystrophy-safety-and-feasibility-study-in-india
#7
B S Rajput, Swarup K Chakrabarti, Vaishali S Dongare, Christina M Ramirez, Kaushik D Deb
OBJECTIVE: Duchenne muscular dystrophy (DMD) is a musculo-degenerative disease characterized by lack of dystrophin production with no definite cure available currently. Discarded umbilical cord is a potential source of mesenchymal stem cells which are non-immunogenic and can be used for transplantation in allogenic set ups. Given the regenerative and anti-inflammatory properties of mesenchymal stem cells (MSCs), here we investigated its role in the cellular therapy of DMD patients. DESIGN: This is a single-blinded study conducted in various hospitals of India situated in Mumbai, Delhi, and Lucknow...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125140/reversal-of-methanol-induced-blindness-in-adults-by-autologous-bone-marrow-derived-stem-cells-a-case-series
#8
Himanshu Bansal, Yogesh Chaparia, Anupama Agrawal, Prasad S Koka
INTRODUCTION: Methanol ingestion leads to severe damage to visual pathways and permanent loss of vision. Current treatment is aimed at removal of methanol from system and prevention of generation of toxic metabolites along with symptomatic management of patient. Autologous bone marrow mononuclear stem cells (MNC) can be used to rejuvenate the damaged retinal cells and restoration of vision. METHODS: Five patients suffering from methanol induced complete blindness within three months of insult and no known comorbidities during the past 6 months were enrolled to receive autologous bone marrow derived mononuclear cell fraction on compassionate grounds...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125139/antiaging-effects-of-an-intensive-mind-and-body-therapeutic-program-through-enhancement-of-telomerase-activity-and-adult-stem-cell-counts
#9
RANDOMIZED CONTROLLED TRIAL
Krishna S Rao, Swarup K Chakraharti, Vaishali S Dongare, K Chetana, Christina M Ramirez, Prasad S Koka, Kaushik D Deb
OBJECTIVE: Key modalities of integrative medicine known to rejuvenate the mind and body are meditation, yoga, and controlled diet. It has been shown previously that intensive or prolonged mind and body therapies (MBT) may have beneficial effects on the well-being of healthy people and in patients. Telomerase activity and levels of peripheral blood adult pluripotent stem cells (PB-APSC) are reliable markers of long-term well-being that are known to decrease with age. The objective of this study is to understand the effect of our MBT program on telomerase activity and stem cells in blood collected from the participants...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125138/anaerobic-glycolysis-and-hif1%C3%AE-expression-in-haematopoietic-stem-cells-explains-its-quiescence-nature
#10
Lokanathan Srikanth, Manne Mudhu Sunitha, Katari Venkatesh, Pasupuleti Santhosh Kumar, Chodimella Chandrasekhar, Bhuma Vengamma, Potukuchi Venkata Gurunadha Krishna Sarma
Metabolic alteration that a stem cell undergoes during proliferation and quiescence are decisive. These cells survive in extreme hypoxic environment that prevails in bone marrow. The present study is aimed to understand this nature in hematopoietic stem cells. These stem cells were mobilized from bone marrow into peripheral blood by giving G-CSF at a concentration of 5 μg/Kg/d and the cells were isolated by apheresis technique. The morphological analysis of these cells using Giemsa stain and SEM showed presence of only single type of cells with conspicuous nuclei, the hematopoietic nature was assessed by the presence of CD34, a glycoprotein using anti-CD34 monoclonal antibodies...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125137/healing-of-experimentally-created-non-union-of-femur-in-rats-using-bone-precursor-cells-from-mesenchymal-stem-cells-mscs
#11
Sadat-Ali Mir, Md Quamar Azam, Dakheel A Al-Dakheel, Sadananda Acharya
BACKGROUND AND OBJECTIVE: Around 20% of fractures have impaired or no healing. Many procedures have been tried with varying success. The objective of this study is to assess effect of osteoblast transplant (obtained after proliferation and differentiation of MSCs of bone marrow aspirate) in healing of experimentally created non-union of femur in rats. METHODS: Non-Union of femur were created in Sprague-Dawley rats weighing 200-250 grams. In 20 rats, Femur fracture was surgically created in 20 rats and 2 mm of the periosteum was cauterized on each side of the fracture and this created a non-union in 8 weeks...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125136/fat-layer-from-medullary-canal-reamer-aspirate-for-potential-use-as-a-supplemental-osteoinductive-bone-graft-material
#12
Sarina S Kay Sinclair, C Olsen Horton, Kyle J Jeray, Stephanie L Tanner, Karen J L Burgl
Mesenchymal stem cells (MSCs) are of therapeutic interest to clinicians and researchers, as they have been shown to augment the osteogenic properties of bone grafts. MSCs are known to be prevalent in bone marrow, but are still limited in numbers. Hence, additional sources of MSCs are beneficial to increasing grafting potential. Aspirate material collected using the Reamer/Irrigator/Aspirator (RIA) device (Synthes; Paoli, PA) during reaming of the femoral shaft consists of three main components: bone fragments, liquid flow-through, and a fat layer...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125135/differentiation-potential-of-mesenchymal-stem-cells-from-equine-bone-marrow-cultured-on-hyaluronic-acid-chitosan-polyelectrolyte-multilayer-biofilm
#13
Amanda J Listoni, Isadora Arruda, Leandro Maia, Danielle J Barberini, Ian Martins, Fernando C Vasconcellos, Fernanda C Landim-Alvarenga
Nanotechnology techniques have a prominent role in the current technical and scientific scene. The layer-by-layer (LbL) deposition allows obtaining nanostructures with sophisticated multilayer, using a simple, but versatile technique. This procedure, which is used to coat and functionalize surfaces with nanometer- thick films, has applications in bioengineering, medicine, chemistry, materials and chemical engineering among other areas. Chitosan is a biomaterial, coming from the chitin, a very abundant polymer in nature, which has been recently tested as scaffolds...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125064/the-new-era-of-omega-3-fatty-acids-supplementation-therapeutic-effects-on-dry-age-related-macular-degeneration
#14
Tassos Georgiou, Ekatherine Prokopiou
One of the major causes of reduced vision over the age of 50 is age-related macular degeneration (AMD). Although such a common pathology, there are no current guidelines for the first-line treatment of dry AMD. The aim of this study is to evaluate the therapeutic effects of high omega-3 fatty acids as anti-inflammatory agents in two sub-groups of dry AMD patients with 1) mild to moderate visual impairment and 2) with severe visual impairment (blindness). The key feature of this investigation is the frequent monitoring of the levels of specific fatty acids in patient's blood in order to adjust the treatment dose within the ideal therapeutic window...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125063/htra1-overexpression-induces-the-exudative-form-of-age-related-macular-degeneration
#15
Daisuke Iejima, Mao Nakayama, Takeshi Iwata
Age-related macular degeneration (AMD) is a leading cause of vision loss and blindness in the elderly. The dry form is more common and accounts for about 85-90% of AMD patients in US, while Japanese AMD patients predominantly progress to wet-form or polypoidal choroidal vasculopathy (PCV). Recent studies have shown HTRA1, a serine protease gene, as major risk factor for wet form AMD (De Wan et al., Science 2006). Furthermore, we reported that the Japanese typical wet form AMD patients showed significant association with ARMS2/HTRA1 (Goto, Akahori et al...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125062/overview-of-risk-factors-for-age-related-macular-degeneration-amd
#16
REVIEW
Richard A Armstrong, Maryam Mousavi
Age related macular degeneration (AMD) is the leading cause of blindness in individuals older than 65 years of age. It is a multifactorial disorder and identification of risk factors enables individuals to make life style choices that may reduce the risk of disease. This review discusses the role of genetics, sunlight, diet, cardiovascular factors, smoking, and alcohol as possible risk factors for AMD. Genetics plays a more significant role in AMD than previously thought, especially in younger patients, histocompatibility locus antigen (HLA) and complement system genes being the most significant...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125061/deprivation-of-bfgf-promotes-spontaneous-differentiation-of-human-embryonic-stem-cells-into-retinal-pigment-epithelial-cells
#17
Lee R Ferguson, Sankarathi Balaiya, Bharani K Mynampati, Kumar Sambhav, Kakarla V Chalam
BACKGROUND: The retinal pigment epithelium (RPE), an important tissue monolayer of retina, sustains visual function and retinal homeostasis. In disease conditions such as Retinitis Pigmentosa (RP) and Age related Macular degeneration (AMD), the integrity and functional capacity of RPE monolayer is compromised. Human embryonic stem cells derived RPE (hESC-RPE) is ideal for cell based therapy because of their ability to morphologically and functionally mimic native fetal and adult RPE. However protocols for optimum culture of hESC-RPE are not well established...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/27125060/degeneration-versus-regeneration
#18
EDITORIAL
Prasad S Koka
No abstract text is available yet for this article.
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/26665938/mesenchymal-stem-cells-and-lung-transplantation-a-couple-for-a-perfect-relationship
#19
Mohamed S A Mohamed
With the increased incidence of lung and other organ failure, organ transplantation becomes a frequent surgical intervention. Research is focused on improving the practice of lung and other organ transplantation in order to improve the clinical outcome and to decrease the incidence of post-operative complications. This manuscript represents the author's view of the possibility of improving the lung transplantation outcome through the co-transplantation of mesenchymal stem cells, and the expected positive effects of that application...
2015: Journal of Stem Cells
https://www.readbyqxmd.com/read/26665937/mechanism-of-induction-induced-pluripotent-stem-cells-ipscs
#20
REVIEW
Vimal Kishor Singh, Neeraj Kumar, Manisha Kalsan, Abhishek Saini, Ramesh Chandra
Induced Pluripotent Stem Cells (iPSCs) are self renewable and can differentiate to different types of adult cells, which has shown great promises in the field of regenerative medicine. iPSCs are reprogrammed from human somatic cells through ectopic expression of various transcription factors viz. Oct4, Sox2, Klf4, and c-Myc (OSKM). This novel technology enables derivation of patient specific cells, which possess a potential cure for many diseases. During the last decade, significant progresses have been achieved in enhancing the reprogramming efficiency, safety of iPSCs derivation, development of different delivery techniques by various research groups...
2015: Journal of Stem Cells
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