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https://www.readbyqxmd.com/read/28813021/enhanced-cell-growth-of-adipocyte-derived-mesenchymal-stem-cells-using-chemically-defined-serum-free-media
#1
Myung-Suk Lee, Christine Youn, Jeong Hyun Kim, Byoung Jun Park, Jongchan Ahn, Sungyoul Hong, Young-Deug Kim, Young Kee Shin, Sang Gyu Park
The multipotency and anti-inflammatory effects of mesenchymal stem cells (MSCs) make them attractive for cell therapy in regenerative medicine. A large number of MSCs is required for efficient therapy owing to the low homing efficiency of MSCs to target sites. Furthermore, owing to limitations in obtaining sufficient amounts of MSCs, in vitro expansion of MSCs that preserves their differentiation and proliferative potential is essential. The animal factor included in culture media also limits clinical application...
August 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28812437/autophagy-induced-kdr-vegfr-2-activation-promotes-the-formation-of-vasculogenic-mimicry-by-glioma-stem-cells
#2
Hai-Bo Wu, Shuai Yang, Hai-Yan Weng, Qian Chen, Xi-Long Zhao, Wen-Juan Fu, Qin Niu, Yi-Fang Ping, Ji Ming Wang, Xia Zhang, Xiao-Hong Yao, Xiu-Wu Bian
Antiangiogenesis with bevacizumab, an antibody against vascular endothelial growth factor (VEGF), has been used for devascularization to limit the growth of malignant glioma. However, the benefits are transient due to elusive mechanisms underlying resistance to the antiangiogenic therapy. Glioma stem cells (GSCs) are capable of forming vasculogenic mimicry (VM), an alternative microvascular circulation independent of VEGF-driven angiogenesis. Herein, we report that the formation of VM was promoted by bevacizumab-induced macroautophagy/autophagy in GSCs, which was associated with tumor resistance to antiangiogenic therapy...
August 16, 2017: Autophagy
https://www.readbyqxmd.com/read/28812231/the-neuroprotective-effect-of-conditioned-medium-from-human-adipose-derived-mesenchymal-stem-cells-is-impaired-by-n-acetyl-cysteine-supplementation
#3
Teodoro Palomares, María Cordero, Cristina Bruzos-Cidon, María Torrecilla, Luisa Ugedo, Ana Alonso-Varona
Oxidative stress is a common feature in neurodegenerative diseases associated with neuroinflammation, and therefore, has been proposed as a key target for novel therapies for these diseases. Recently, adipose-derived stem cell (ASC)-based cell therapy has emerged as a novel strategy for neuroprotection. In this study, we evaluate the therapeutic role of ASC-conditioned medium (ASC-CM) against H2O2-induced neurotoxicity in a new in vitro model of ec23/brain-derived neurotrophic factor (BDNF)-differentiated human SH-SY5Y neuron-like cells (SH-SY5Yd)...
August 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28811872/current-and-emerging-treatment-options-for-mantle-cell-lymphoma
#4
REVIEW
Bita Fakhri, Brad Kahl
Mantle cell lymphoma (MCL) is a B-cell non-Hodgkin lymphoma with typically aggressive behavior. The genetic signature is the chromosomal translocation t(11;14)(q13;q32) resulting in overexpression of cyclin D1. Asymptomatic newly diagnosed MCL patients with low tumor burden can be closely observed, deferring therapy to the time of disease progression. Although MCL classically responds to upfront chemotherapy, it remains incurable with standard approaches. For patients in need of frontline therapy, the initial decision is whether to proceed with an intensive treatment strategy or a non-intensive treatment strategy...
August 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28811674/regenerative-medicine-and-cell-based-approaches-to-restore-pancreatic-function
#5
REVIEW
Cara Ellis, Adam Ramzy, Timothy J Kieffer
The pancreas is a complex organ with exocrine and endocrine components. Many pathologies impair exocrine function, including chronic pancreatitis, cystic fibrosis and pancreatic ductal adenocarcinoma. Conversely, when the endocrine pancreas fails to secrete sufficient insulin, patients develop diabetes mellitus. Pathology in either the endocrine or exocrine pancreas results in devastating economic and personal consequences. The current standard therapy for treating patients with type 1 diabetes mellitus is daily exogenous insulin injections, but cell sources of insulin provide superior glycaemic regulation and research is now focused on the goal of regenerating or replacing β cells...
August 16, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28811332/de-novo-lipid-synthesis-facilitates-gemcitabine-resistance-through-endoplasmic-reticulum-stress-in-pancreatic-cancer
#6
Saber Tadros, Surendra K Shukla, Ryan J King, Venugopal Gunda, Enza Vernucci, Jaime Abrego, Nina CHaika, Fang Yu, Audrey J Lazenby, Lyudmyla Berim, Jean L Grem, Aaron Sasson, Pankaj K Singh
Pancreatic adenocarcinoma is moderately responsive to gemcitabine-based chemotherapy, the most widely used single agent therapy for pancreatic cancer. While the prognosis in pancreatic cancer remains grim in part due to poor response to therapy, previous attempts at identifying and targeting the resistance mechanisms have not been very successful. By leveraging TCGA dataset, we identified lipid metabolism as the metabolic pathway that most significantly correlated with poor gemcitabine response in pancreatic cancer patients...
August 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28810997/cutaneous-leishmaniasis-in-a-saudi-arabian-soldier-stationed-in-the-united-states
#7
Kelly Laurent, Jason Susong, Eric Fillman, Simon Ritchie
BACKGROUND: Leishmaniasis is a common parasitic disease seen in many parts of the world, especially in areas where current U.S. and international forces are deployed. Approximately 350 million people are thought to be at risk of cutaneous leishmaniasis (CL) with an annual incidence of 1.5 million cases. Over 90% of cutaneous infections with Leishmania occur in the Middle East, Brazil, and Peru. Outbreaks of CL may occur in military personnel deployed to endemic areas. Since the incubation period for symptomatic CL ranges from weeks to months, symptoms may not appear until well after returning to the United States...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810255/ponatinib-induced-graft-versus-host-disease-graft-versus-leukemia-effect-in-a-patient-with-philadelphia-positive-acute-lymphoblastic-leukemia-without-the-t315i-mutation-relapsing-after-allogeneic-transplant
#8
Annamaria Petrungaro, Massimo Gentile, Carla Mazzone, Rosa Greco, Giuseppina Uccello, Anna Grazia Recchia, Laura De Stefano, Sabrina Bossio, Angela Palummo, Rosellina Morelli, Caterina Musolino, Fortunato Morabito, Ernesto Vigna
We describe the case of a patient with Philadelphia-positive acute lymphoblastic leukemia treated with dasatinib plus steroids as first-line therapy, who achieved a major molecular response (MMR) before undergoing matched, unrelated donor allogeneic stem cell transplant. Eleven months after the transplant, she experienced molecular relapse. Mutational screening showed negativity for the T315I mutation, The patient underwent a salvage chemotherapy regimen with clofarabine + cyclophosphamide + steroids and ponatinib (clofarabine 70 mg i...
August 16, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28809824/creation-and-transplantation-of-an-adipose-derived-stem-cell-asc-sheet-in-a-diabetic-wound-healing-model
#9
Yuka Kato, Takanori Iwata, Kaoru Washio, Toshiyuki Yoshida, Hozue Kuroda, Shunichi Morikawa, Mariko Hamada, Kazuki Ikura, Nobuyuki Kaibuchi, Masayuki Yamato, Teruo Okano, Yasuko Uchigata
Artificial skin has achieved considerable therapeutic results in clinical practice. However, artificial skin treatments for wounds in diabetic patients with impeded blood flow or with large wounds might be prolonged. Cell-based therapies have appeared as a new technique for the treatment of diabetic ulcers, and cell-sheet engineering has improved the efficacy of cell transplantation. A number of reports have suggested that adipose-derived stem cells (ASCs), a type of mesenchymal stromal cell (MSC), exhibit therapeutic potential due to their relative abundance in adipose tissue and their accessibility for collection when compared to MSCs from other tissues...
August 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28809664/occupational-therapy-interventions-for-adults-with-cancer
#10
Brent Braveman, Elizabeth G Hunter, Jennifer Nicholson, Marian Arbesman, Deborah Lieberman
This Evidence Connection describes a case report of a man with non-Hodgkin's lymphoma who underwent an allogenic stem cell transplant. The occupational therapy assessment and treatment processes for an outpatient rehabilitation setting are described. Evidence Connection articles provide a clinical application of systematic reviews developed in conjunction with the American Occupational Therapy Association's Evidence-Based Practice Project.
September 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28809089/inverted-quasi-spherical-droplets-on-polydopamine-tio2-substrates-for-enhancing-gene-delivery
#11
Seung-Hyun Kim, Mihyun Lee, Mira Cho, Il-Sun Kim, Kook In Park, Haeshin Lee, Jae-Hyung Jang
Devising efficient gene delivery systems is crucial to enhancing the therapeutic efficacy of gene-cell therapy approaches. Herein, inverted quasi-spherical (iQS) droplet systems, which enhance gene delivery efficiencies by reducing the path lengths of gene vectors, mediating motions of vectors at early stages, and raising the contact frequencies of vectors with cells, are developed by adopting the principle of 3D hanging-drop cell culture. Micrometer-sized polydopamine (pDA) holes are created on superhydrophobic titanium isopropoxide (TiO2 )-coated substrates by physical scraping; droplets are loaded on the pDA holes, and inversion of the substrate generates iQS droplets with large contact angles...
August 15, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28808812/antioxidant-effects-of-chrysin-loaded-electrospun-nanofibrous-mats-on-proliferation-and-stemness-preservation-of-human-adipose-derived-stem-cells
#12
Yaghoub Deldar, Faraz Zarghami, Younes Pilehvar-Soltanahmadi, Mehdi Dadashpour, Nosratollah Zarghami
An ideal biomaterial in regenerative medicine should be able to regulate the stem cell proliferation without the loss of its pluripotency. Chrysin (Chr) is a naturally occurring flavone with a wide spectrum of biological functions including anti-inflammatory and anti-oxidant properties. The present study describes the influence of Chr-loaded nanofibrous mats on the regulation of proliferation and stemness preservation of adipose-derived stem cells (ADSCs). For this purpose, Chr-loaded poly (ε-caprolactone)/poly (ethylene glycol) (PCL/PEG) nanofibrous mats were produced via electrospinning process and the successful fabrication of these bioactive mats was confirmed by field emission scanning electron microscopy (FE-SEM) and fourier transform infrared spectroscopy...
August 14, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28808445/targeting-adult-neurogenesis-for-poststroke-therapy
#13
REVIEW
Jianfei Lu, Anatol Manaenko, Qin Hu
Adult neurogenesis mainly occurs at the subventricular zone (SVZ) on the walls of the lateral ventricle and the subgranular zone (SGZ) of the dentate gyrus (DG). However, the majority of newborn neurons undergo programmed cell death (PCD) during the period of proliferation, migration, and integration. Stroke activates neural stem cells (NSCs) in both SVZ and SGZ. This process is regulated by a wide variety of signaling pathways. However, the newborn neurons derived from adult neurogenesis are insufficient for tissue repair and function recovery...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28807981/delineation-of-the-timing-of-second-line-therapy-post-autologous-stem-cell-transplant-in-patients-with-al-amyloidosis
#14
Yi L Hwa, Rahma Warsame, Morie A Gertz, Francis K Buadi, Martha Q Lacy, Shaji K Kumar, David Dingli, Steve R Zeldenrust, Nelson Leung, Suzanne R Hayman, Prashant Kapoor, Wilson I Gonsalves, Taxiarchis V Kourelis, Stephen Russell, Ronald S Go, Miriam A Hobbs, Amie L Fonder, S Vincent Rajkumar, Angela Dispenzieri
Among patients with immunoglobulin light chain (AL) amyloidosis, there is little consensus on when reinstitution of chemotherapy should occur. We conducted a retrospective study to evaluate the patterns of relapse or progression (R/P) and the timing of re-initiating therapy among 235 patients initially treated with ASCT at Mayo Clinic. The median time from ASCT to second-line therapy was 24.3 months. At the time of restarting therapy, median dFLC was 9.9 mg/dL (42% of diagnosis value); 32% had a dFLC< 5mg/dL; and 63% met criteria for organ R/P...
August 14, 2017: Blood
https://www.readbyqxmd.com/read/28807938/s100a4-is-a-biomarker-and-regulator-of-glioma-stem-cells-that-is-critical-for-mesenchymal-transition-in-glioblastoma
#15
Kin-Hoe Chow, Hee Jung Park, Joshy George, Keiko Yamamoto, Andrew D Gallup, Joel H Graber, Yuanxin Chen, Wen Jiang, Dennis Steindler, Eric G Neilson, Betty Y S Kim, Kyuson Yun
Glioma stem cells (GSCs) and epithelial-mesenchymal transition (EMT) are strongly associated with therapy resistance and tumor recurrence, but the underlying mechanisms are incompletely understood. Here we show that S100A4 is a novel biomarker of GSCs. S100A4+ cells in gliomas are enriched with cancer cells that have tumor-initiating and sphere-forming abilities, with the majority located in perivascular niches where GSCs are found. Selective ablation of S100A4-expressing cells was sufficient to block tumor growth in vitro and in vivo...
August 14, 2017: Cancer Research
https://www.readbyqxmd.com/read/28807693/safety-and-feasibility-of-rehabilitation-interventions-in-children-undergoing-hematopoietic-stem-cell-transplant-with-thrombocytopenia
#16
Katarzyna Ibanez, Noel Espiritu, Regine L Souverain, Laura Stimler, Lauren Ward, Elyn R Riedel, Rachel Lehrman, Farid Boulad, Michael Dean Stubblefield
OBJECTIVE: To analyze the relationship between platelet counts, the intensities of physical therapies (PT) and occupational therapies (OT) services received, and the frequency of bleeding complications in children undergoing hematopoietic stem cell transplants (HSCT) during a period of severe thrombocytopenia. DESIGN: Retrospective review study SETTING: Tertiary care hospital PARTICIPANTS: Children (age <18) hospitalized for HSCT in 2010 and 2011 who received PT and OT services while markedly thrombocytopenic (platelets≤50K/mcL)...
August 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28807603/stem-cell-industry-update-2012-to-2016-reveals-accelerated-investment-but-market-capitalization-and-earnings-lag
#17
Mitchell Ng, Simon Song, Nicolas S Piuzzi, Kenneth Ng, Chukwuweike Gwam, Michael A Mont, George F Muschler
Treatments based on stem cells have long been heralded for their potential to drive the future of regenerative medicine and have inspired increasing medical and business interest. The stem cell therapy market has been expanding since 2012, but earnings and profitability still lag the broader health care sector (compounded annual growth rate in annual financing of 31.5% versus 13.4%, respectively). On the basis of historical financial data, approximately $23 billion has been invested in stem cell companies since 1994, with more than 80% of this raised from 2011 through 2016...
August 11, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28807232/ovarian-cancer-novel-molecular-aspects-for-clinical-assessment
#18
REVIEW
Raffaele Palmirotta, Erica Silvestris, Stella D'Oronzo, Angela Cardascia, Franco Silvestris
Ovarian cancer is a very heterogeneous tumor which has been traditionally characterized according to the different histological subtypes and differentiation degree. In recent years, innovative molecular screening biotechnologies have allowed to identify further subtypes of this cancer based on gene expression profiles, mutational features, and epigenetic factors. These novel classification systems emphasizing the molecular signatures within the broad spectrum of ovarian cancer have not only allowed a more precise prognostic prediction, but also proper therapeutic strategies for specific subgroups of patients...
September 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28807161/phytochemical-modulation-of-apoptosis-and-autophagy-strategies-to-overcome-chemoresistance-in-leukemic-stem-cells-in-the-bone-marrow-microenvironment
#19
Helen C Owen, Sandra Appiah, Noor Hasan, Lucy Ghali, Ghada Elayat, Celia Bell
Advances in scientific research and targeted treatment regimes have improved survival rates for many cancers over the past few decades. However, for some types of leukemia, including acute lymphoblastic and acute myeloid leukemia, mortality rates have continued to rise, with chemoresistance in leukemic stem cells (LSCs) being a major contributing factor. Most cancer drug therapies act by inducing apoptosis in dividing cells but are ineffective in targeting quiescent LSCs. Niches in the bone marrow, known as leukemic niches, behave as "sanctuaries" where LSCs acquire drug resistance...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28807156/metabolic-factors-and-adult-neurogenesis-impacts-of-chinese-herbal-medicine-on-brain-repair-in-neurological-diseases
#20
Chong Gao, Jiangang Shen
Adult neurogenesis plays the important roles in animal cognitive and emotional behaviors. Abnormal proliferation and differentiation of neural stem cells (NSCs) usually associate with the neural dysfunctions induced by different brain disorders. Therefore, targeting neurogenic factors could be a promoting strategy for neural regeneration and brain repair. Importantly, epidemiological studies suggest metabolism disorders like diabetes and obesity significantly increase the risk of neurological and psychiatric diseases...
2017: International Review of Neurobiology
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