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Amniotic fluid stem cells

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https://www.readbyqxmd.com/read/29760719/ifn-%C3%AE-expressing-amniotic-fluid-derived-mesenchymal-stem-cells-migrate-to-and-suppress-hela-cell-derived-tumors-in-a-mouse-model
#1
Jun Zhou, Tian Liang, Dejun Wang, Liru Li, Yan Cheng, Qiuyan Guo, Guangmei Zhang
Background: Immunotherapy for cervical cancer with type I interferon (IFN) is limited because of the cytotoxicity that accompanies the high doses that are administered. In this study, we investigated the utilization of amniotic fluid-derived mesenchymal stem cells (AF-MSCs) as a means for delivering IFN α to local tumor sites for the suppression of cervical cancer in a mouse model using HeLa cell xenografts. Methods: The tumor tropism ability of AF-MSCs and AF-MSCs genetically modified to overexpress IFN α (IFN α -AF-MSCs) was examined through Transwell in vitro and through fluorescent images and immunohistochemistry in a mouse model...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29695981/cardiac-restoration-stemming-from-the-placenta-tree-insights-from-fetal-and-perinatal-cell-biology
#2
REVIEW
Sveva Bollini, Antonietta R Silini, Asmita Banerjee, Susanne Wolbank, Carolina Balbi, Ornella Parolini
Efficient cardiac repair and ultimate regeneration still represents one of the main challenges of modern medicine. Indeed, cardiovascular disease can derive from independent conditions upsetting heart structure and performance: myocardial ischemia and infarction (MI), pharmacological cardiotoxicity, and congenital heart defects, just to name a few. All these disorders have profound consequences on cardiac tissue, inducing the onset of heart failure over time. Since the cure is currently represented by heart transplantation, which is extremely difficult due to the shortage of donors, much effort is being dedicated to developing innovative therapeutic strategies based on stem cell exploitation...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29695308/the-presence-of-human-mesenchymal-stem-cells-of-renal-origin-in-amniotic-fluid-increases-with-gestational-time
#3
Md Shaifur Rahman, Lucas-Sebastian Spitzhorn, Wasco Wruck, Carsten Hagenbeck, Percy Balan, Nina Graffmann, Martina Bohndorf, Audrey Ncube, Pascale V Guillot, Tanja Fehm, James Adjaye
BACKGROUND: Established therapies for managing kidney dysfunction such as kidney dialysis and transplantation are limited due to the shortage of compatible donated organs and high costs. Stem cell-based therapies are currently under investigation as an alternative treatment option. As amniotic fluid is composed of fetal urine harboring mesenchymal stem cells (AF-MSCs), we hypothesized that third-trimester amniotic fluid could be a novel source of renal progenitor and differentiated cells...
April 25, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29689547/sirt3-facilitates-amniotic-fluid-stem-cells-to-repair-diabetic-nephropathy-through-protecting-mitochondrial-homeostasis-by-modulation-of-mitophagy
#4
Jianxun Feng, Chang Lu, Qin Dai, Junqin Sheng, Min Xu
BACKGROUND/AIMS: Amniotic fluid stem cells (AFSCs) transplantation is a promising therapeutic strategy for diabetic nephropathy. Sirtuin3 (SIRT3) is a novel mitochondrial protective factor. In the present study, we aimed to investigate whether SIRT3 protects against hyperglycemia-induced AFSCs damage and enhances the therapeutic efficiency of AFSCs in diabetic nephropathy. METHODS: To establish the diabetic nephropathy model, db/ db mice were used. AFSCs were obtained and transplanted into the kidney tissue of db/ db mice...
April 19, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29688163/human-amniotic-fluid-stem-cells-hafscs-expressing-p21-and-cyclin-d1-genes-retain-excellent-viability-after-freezing-with-dimethyl-sulfoxide-dmso
#5
Shiva Gholizadeh-Ghaleh Aziz, Zahra Fardyazar, Fatima Pashaei-Asl, Mohammad Rahmati-Yamchi, Khodadad Khodadadi, Maryam Pashaiasl
Human amniotic fluid stem cells (hAFSCs) have features intermediate between embryonic and adult SCs, can differentiate into lineages of all three germ layers, and do not develop into tumors in vivo. Moreover, hAFSCs can be easily obtained in routine procedures and there is no ethical or legal limitations regarding their use for clinical and experimental applications. The aim of this study was to assess the effect of slow freezing/thawing and two different concentrations of DMSO (10% DMSO + 90% fetal bovine serum [FBS] and 5% DMSO + 95% FBS) on the survival of hAFSCs...
April 24, 2018: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29661576/treatment-of-experimental-necrotizing-enterocolitis-with-stem-cell-derived-exosomes
#6
Christopher J McCulloh, Jacob K Olson, Yijie Wang, Yu Zhou, Natalie Huibregtse Tengberg, Shivani Deshpande, Gail E Besner
PURPOSE: Necrotizing enterocolitis (NEC) remains a devastating disease in premature infants. We previously showed that four stem cell (SC) types equivalently improve experimental NEC. Exosomes are intercellular nanovesicles containing RNA, miRNA, DNA, and protein. Because SC therapy faces challenges, our aim was to determine if the beneficial effects of SC are achievable with cell-free exosomes. METHODS: Exosomes from four SC types were compared: (1) amniotic fluid-derived mesenchymal SC (AF-MSC); (2) bone marrow-derived MSC (BM-MSC); (3) amniotic fluid-derived neural SC (AF-NSC); and (4) neonatal enteric NSC (E-NSC)...
March 14, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29649411/the-in-vitro-differentiation-of-gdnf-gene-engineered-amniotic-fluid-derived-stem-cells-into-renal-tubular-epithelial-like-cells
#7
Ying Lu, Zhuojun Wang, Lu Chen, Jia Wang, Shulin Li, Caixia Liu, Dong Sun
Amniotic fluid is an alternative source of stem cells, and human amniotic fluid-derived stem cells (AFSCs) obtained from a small amount of amniotic fluid collected during the second trimester represent a novel source for use in regenerative medicine. These AFSCs are characterized by lower diversity, a higher proliferation rate and a wider differentiation capability than adult mesenchymal stem cells (MSCs). AFSCs are selected based on the cell surface marker c-kit receptor (CD117) using immunomagnetic sorting...
March 15, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29580785/donor-mesenchymal-stem-cell-linetics-after-transamniotic-stem-cell-therapy-trascet-for-experimental-spina-bifida
#8
Hester F Shieh, Azra Ahmed, Lucas Rohrer, David Zurakowski, Dario O Fauza
PURPOSE: We sought to examine donor mesenchymal stem cell (MSC) kinetics after transamniotic stem cell therapy (TRASCET) in experimental spina bifida. METHODS: Pregnant Sprague-Dawley dams exposed to retinoic acid for the induction of fetal neural tube defects received volume-matched intra-amniotic injections on gestational day 17 (E17; term=E22): either amniotic fluid MSCs (afMSCs) labeled with a luciferase reporter gene (n=78), or luciferase protein alone (n=66)...
March 6, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29573382/human-adipose-derived-and-amniotic-fluid-derived-stem-cells-a-preliminary-in-vitro-study-comparing-myogenic-differentiation-capability
#9
Anna Bajek, Joanna Olkowska, Małgorzata Walentowicz-Sadłecka, Paweł Sadłecki, Marek Grabiec, Dorota Porowińska, Tomasz Drewa, Krzysztof Roszkowski
BACKGROUND Around the world, disabilities due to musculoskeletal disorders have increased and are a major health problem worldwide. In recent years, stem cells have been considered to be powerful tools for musculoskeletal tissue engineering. Human adipose-derived stem cells (hADSCs) and amniotic fluid-derived stem cells (hAFSCs) undergo typical differentiation process into cells of mesodermal origin and can be used to treat muscular system diseases. The aim of the present study was to compare the biological characteristic of stem cells isolated from different human tissues (adipose tissue and amniotic fluid) with respect to myogenic capacity and skeletal and smooth muscle differentiation under the same conditions...
March 24, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29515049/human-amniotic-fluid-stem-cells-therapeutic-potential-for-perinatal-patients-with-intractable-neurological-disease
#10
Daigo Ochiai, Hirotaka Masuda, Yushi Abe, Toshimitsu Otani, Marie Fukutake, Tadashi Matsumoto, Kei Miyakoshi, Mamoru Tanaka
Mesenchymal stem cells (MSCs) have generated great interest in the fields of regenerative medicine and immunotherapy because of their unique biological properties. Among MSCs, amniotic fluid stem cells (AFS) have a number of characteristics that make them attractive candidates for tissue engineering and cell replacement strategies, particularly for perinatal medicine. If various neonatal conditions, including birth asphyxia, preterm birth, and congenital abnormalities, which result in long-lasting severe impairments, could be predicted during pregnancy, it would allow collection of small samples of amniotic fluid cells by amniocentesis...
March 6, 2018: Keio Journal of Medicine
https://www.readbyqxmd.com/read/29502286/biological-characterization-and-pluripotent-identification-of-ovine-amniotic-fluid-stem-cells
#11
Wenhua Pei, Tengfei Lu, Kunfu Wang, Meng Ji, Shuang Zhang, Fenghao Chen, Lu Li, Xiangchen Li, Weijun Guan
Mesenchymal stem cells derived from amniotic fluid have become one of the most potential stem cell source for cell-based therapy for the reason they can be harvested at low cost and without ethical problems. Here, we obtained amniotic fluid stem cells (AFSCs) from ovine amniotic fluid and studied the expansion capacity, cell markers expression, karyotype, and multilineage differentiation ability. In our work, AFSCs were subcultured to passage 62. The cell markers, CD29, CD44, CD73 and OCT4 which analyzed by RT-PCR were positive; CD44, CD73, CD90, CD105, NANOG, OCT4 analyzed by immunofluorescence and flow cytometry were also positive...
March 3, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29489501/prenatal-transplantation-of-human-amniotic-fluid-stem-cells-for-spinal-muscular-atrophy
#12
Shao-Yu Peng, Sheng-Wen S Shaw
PURPOSE OF REVIEW: To review the current medical and stem-cell therapy for spinal muscular atrophy (SMA) and prenatal transplantation of amniotic fluid stem cells in the future. RECENT FINDINGS: SMA is an autosomal recessive inheritance of neurodegenerative disease, which is caused of the mutation in survival motor neuron. The severe-type SMA patients usually die from the respiratory failure within 2 years after birth. Recently, researchers had found that 3-methyladenine could inhibit the autophagy and had the capacity to reduce death of the neurons...
April 2018: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29489062/embryonic-stem-cell-derived-mesenchymal-stem-cells-mscs-have-a-superior-neuroprotective-capacity-over-fetal-mscs-in-the-hypoxic-ischemic-mouse-brain
#13
Kate E Hawkins, Michelangelo Corcelli, Kate Dowding, Anna M Ranzoni, Filipa Vlahova, Kwan-Leong Hau, Avina Hunjan, Donald Peebles, Pierre Gressens, Henrik Hagberg, Paolo de Coppi, Mariya Hristova, Pascale V Guillot
Human mesenchymal stem cells (MSCs) have huge potential for regenerative medicine. In particular, the use of pluripotent stem cell-derived mesenchymal stem cells (PSC-MSCs) overcomes the hurdle of replicative senescence associated with the in vitro expansion of primary cells and has increased therapeutic benefits in comparison to the use of various adult sources of MSCs in a wide range of animal disease models. On the other hand, fetal MSCs exhibit faster growth kinetics and possess longer telomeres and a wider differentiation potential than adult MSCs...
May 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29482456/long-term-hematopoietic-engraftment-of-congenic-amniotic-fluid-stem-cells-after-in-utero-intraperitoneal-transplantation-to-immune-competent-mice
#14
Panicos Shangaris, Stavros P Loukogeorgakis, Michael P Blundell, Eleni Petra, Steven W Shaw, Durrgah L Ramachandra, Panagiotis Maghsoudlou, Luca Urbani, Adrian J Thrasher, Paolo De Coppi, Anna L David
Clinical success of in utero transplantation (IUT) using allogeneic hematopoietic stem cells (HSCs) has been limited to fetuses that lack an immune response to allogeneic cells due to severe immunological defects, and where transplanted genetically normal cells have a proliferative or survival advantage. Amniotic fluid (AF) is an autologous source of stem cells with hematopoietic potential that could be used to treat congenital blood disorders. We compared the ability of congenic and allogeneic mouse AF stem cells (AFSC) to engraft the hematopoietic system of time-mated C57BL/6J mice (E13...
April 15, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29443075/human-pluripotent-stem-cell-culture-on-polyvinyl-alcohol-co-itaconic-acid-hydrogels-with-varying-stiffness-under-xeno-free-conditions
#15
Tzu-Cheng Sung, Hsing-Fen Li, Akon Higuchi, Qing-Dong Ling, Jia-Sin Yang, Yeh-Chia Tseng, Chih-Hsien Pan Pan, Abdullah A Alarfaj, Murugan A Munusamy, Suresh Kumar, Shih-Tien Hsu, Kadarkarai Murugan
The effect of physical cues, such as the stiffness of biomaterials on the proliferation and differentiation of stem cells, has been investigated by several researchers. However, most of these investigators have used polyacrylamide hydrogels for stem cell culture in their studies. Therefore, their results are controversial because those results might originate from the specific characteristics of the polyacrylamide and not from the physical cue (stiffness) of the biomaterials. Here, we describe a protocol for preparing hydrogels, which are not based on polyacrylamide, where various stem, cells including human embryonic stem (ES) cells and human induced pluripotent stem (iPS) cells, can be cultured...
February 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29402914/neuroprotection-of-the-hypoxic-ischemic-mouse-brain-by-human-cd117-cd90-cd105-amniotic-fluid-stem-cells
#16
Michelangelo Corcelli, Kate Hawkins, Filipa Vlahova, Avina Hunjan, Kate Dowding, Paolo De Coppi, Anna L David, Donald Peebles, Pierre Gressens, Henrik Hagberg, Mariya Hristova, Pascale V Guillot
Human amniotic fluid contains two morphologically-distinct sub-populations of stem cells with regenerative potential, spindle-shaped (SS-hAFSCs) and round-shaped human amniotic fluid stem cells (RS-hAFSCs). However, it is unclear whether morphological differences correlate with functionality, and this lack of knowledge limits their translational applications. Here, we show that SS-hAFSCs and RS-hAFSCs differ in their neuro-protective ability, demonstrating that a single contralateral injection of SS-hAFSCs into hypoxic-ischemic P7 mice conferred a 47% reduction in hippocampal tissue loss and 43-45% reduction in TUNEL-positive cells in the hippocampus and striatum 48 hours after the insult, decreased microglial activation and TGFβ1 levels, and prevented demyelination...
February 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29393249/upregulation-of-vascular-endothelial-growth-factor-in-amniotic-fluid-stem-cells-enhances-their-potential-to-attenuate-lung-injury-in-a-preterm-rabbit-model-of-bronchopulmonary-dysplasia
#17
Julio Jiménez, Flore Lesage, Jute Richter, Taro Nagatomo, Thomas Salaets, Silvia Zia, Marina Gabriela Mori Da Cunha, Jeroen Vanoirbeek, Jan A Deprest, Jaan Toelen
BACKGROUND: Bronchopulmonary dysplasia (BPD) is a chronic lung disease that affects extremely preterm infants and remains - despite improvements in neonatal intensive care - a major cause of neonatal mortality and morbidity. Cell-therapeutic strategies employing mesenchymal stem cells (MSC) have been shown to modulate lung development in BPD models. OBJECTIVE: Herein, we evaluate the potential of human amniotic fluid (hAF)-SC and hAF-SC with upregulated expression of vascular endothelial growth factor (VEGF) as cell-therapeutic agents for BPD...
2018: Neonatology
https://www.readbyqxmd.com/read/29391670/amniotic-fluid-stem-cells-a-new-era-in-regenerative-medicine
#18
REVIEW
Mala Srivastava, Neha Ahlawat, Ankita Srivastava
Regenerative medicine has become an emerging field which focuses on repair, replacement or regeneration of cells, tissues and the entire organs. The regeneration may occur in patient's own body by using their system as a bioreactor, e.g., cell therapy that involves transplantation of stem cells capable of proliferating, differentiating and replacing damaged host cells. As the field of regenerative medicine advances, and sources of stem cells has been intensified. Though embryonic and adult tissues can be used for isolation of pluripotent stem cells, the amniotic fluid (AF) has been proposed as an alternative source of stem cells for tissue regeneration...
February 2018: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/29391467/improvement-in-bladder-dysfunction-after-bladder-transplantation-of-amniotic-fluid-stem-cells-in-diabetic-rats
#19
Ching-Chung Liang, Sheng-Wen Steven Shaw, Yung-Hsin Huang, Yi-Hao Lin, Tsong-Hai Lee
To examine the effects of human amniotic fluid stem cells (hAFSCs) transplantation on bladder function and molecular changes in diabetic rats, 60 female Sprague-Dawley rats were used for study. Three groups were assigned including sham control rats, streptozotocin (STZ, 60 mg/kg)-induced diabetic rats and STZ-induced diabetic rats plus bladder hAFSCs transplantation. Compared to controls, diabetic rats had decreased body weight but increased bladder weight. Cystometries showed non-voiding contraction, residual volume, voided volume and intercontraction interval increased significantly in diabetic rats at week 4 and 12 after DM induction, but improved after hAFSCs transplantation...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29382846/a-novel-human-induced-pluripotent-stem-cell-blood-brain-barrier-model-applicability-to-study-antibody-triggered-receptor-mediated-transcytosis
#20
Maria Ribecco-Lutkiewicz, Caroline Sodja, Julie Haukenfrers, Arsalan S Haqqani, Dao Ly, Peter Zachar, Ewa Baumann, Marguerite Ball, Jez Huang, Marina Rukhlova, Marzia Martina, Qing Liu, Danica Stanimirovic, Anna Jezierski, Mahmud Bani-Yaghoub
We have developed a renewable, scalable and transgene free human blood-brain barrier model, composed of brain endothelial cells (BECs), generated from human amniotic fluid derived induced pluripotent stem cells (AF-iPSC), which can also give rise to syngeneic neural cells of the neurovascular unit. These AF-iPSC-derived BECs (i-BEC) exhibited high transendothelial electrical resistance (up to 1500 Ω cm2 ) inducible by astrocyte-derived molecular cues and retinoic acid treatment, polarized expression of functional efflux transporters and receptor mediated transcytosis triggered by antibodies against specific receptors...
January 30, 2018: Scientific Reports
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