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Cellular Therapy

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https://www.readbyqxmd.com/read/29786790/functional-studies-on-steroid-receptors
#1
Simon Schlanger, Hannelore V Heemers
Nuclear receptors play an important role in prostate cancer and the androgen receptor is a key transcription factor in regulation of cellular events. Androgen receptor-associated coregulators may be upregulated or downregulated in prostate cancer. Altered expression of regulators may potentiate androgen-induced proliferation, migration, and invasion. Therapies aimed to modulate the function of coregulators in prostate cancer may be based on the use of small molecule inhibitors. Expression and function of AR-associated proteins could be investigated after overexpression and gene silencing followed by hormonal treatment, real-time RT-PCR and ChIP...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786787/protocols-for-migration-and-invasion-studies-in-prostate-cancer
#2
Arjanneke F van de Merbel, Geertje van der Horst, Jeroen T Buijs, Gabri van der Pluijm
Prostate cancer is the most common malignancy diagnosed in men in the western world. The development of distant metastases and therapy resistance are major clinical problems in the management of prostate cancer patients. In order for prostate cancer to metastasize to distant sites in the human body, prostate cancer cells have to migrate and invade neighboring tissue. Cancer cells can acquire a migratory and invasive phenotype in several ways, including single cell and collective migration. As a requisite for migration, epithelial prostate cancer cells often need to acquire a motile, mesenchymal-like phenotype...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786715/cancer-cell-membrane-coated-magnetic-nanoparticles-for-mr-nir-fluorescence-dual-modal-imaging-and-photodynamic-therapy
#3
Jiong Li, Xuandong Wang, Dongye Zheng, Xinyi Lin, Zuwu Wei, Da Zhang, Zhuanfang Li, Yun Zhang, Ming Wu, Xiaolong Liu
Theranostic nanoprobes integrated with dual-modal imaging and therapeutic functions, such as photodynamic therapy (PDT), have exhibited significant potency in cancer treatments due to their high imaging accuracy and non-invasive advantages for cancer elimination. However, biocompatibility and highly efficient accumulation of these nanoprobes in tumor are still unsatisfactory for clinical application. In this study, a photosensitizer -loaded magnetic nanobead with surface further coated with a layer of cancer cell membrane (SSAP-Ce6@CCM) was designed to improve the biocompatibility and cellular uptake and ultimately achieve enhanced MR/NIR fluorescence imaging and PDT efficacy...
May 22, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29786605/hydrophobic-interaction-mediated-coating-of-pluronics-on-mesoporous-silica-nanoparticle-with-stimuli-responsiveness-for-cancer-therapy
#4
Luping Sha, Da Wang, Yuling Mao, Wei Shi, Tianbin Gao, Qinfu Zhao, Si-Ling Wang
In this research, a novel method was used to successfully make Pluronic P123 stably coated on mesoporous silica nanoparticles (MSN). That P123 and MSN co-constructed a drug delivery system (DDS) had not been reported. In this DDS, the coating of P123 was realized through hydrophobic interaction with octadecyl chain modified MSN. Experiments found only Pluronic with an appropriate ratio of hydrophilic and lipophilic segment could keep the nanoassemblies stable.
 For comparison, nanoassemblies consisted of P123 and octadecyl chain modified MSN with or without disulfide bond were prepared, which were denoted as PSMSN and PMSN respectively...
May 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29786561/impedance-based-cellular-assays-for-regenerative-medicine
#5
REVIEW
W Gamal, H Wu, I Underwood, J Jia, S Smith, P O Bagnaninchi
Therapies based on regenerative techniques have the potential to radically improve healthcare in the coming years. As a result, there is an emerging need for non-destructive and label-free technologies to assess the quality of engineered tissues and cell-based products prior to their use in the clinic. In parallel, the emerging regenerative medicine industry that aims to produce stem cells and their progeny on a large scale will benefit from moving away from existing destructive biochemical assays towards data-driven automation and control at the industrial scale...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29785790/the-role-of-mirna-regulation-in-fetal-cardiomyocytes-cardiac-maturation-and-the-risk-of-heart-disease-in-adults
#6
Mitchell C Lock, Ross L Tellam, Kimberley J Botting, Kimberley C W Wang, Joseph B Selvanayagam, Doug A Brooks, Mike Seed, Janna L Morrison
Myocardial infarction is a primary contributor towards the global burden of cardiovascular disease. Rather than repairing the existing damage of myocardial infarction, current treatments only address the symptoms of the disease and reducing the risk of a secondary infarction. Cardiac regenerative capacity is dependent on cardiomyocyte proliferation, which concludes soon after birth in humans and precocial species such as sheep. Human fetal cardiac tissue has some ability to repair following tissue damage, whereas a fully matured human heart has minimal capacity for cellular regeneration...
May 22, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29785570/phase-1b-investigation-of-the-mek-inhibitor-binimetinib-in-patients-with-advanced-or-metastatic-biliary-tract-cancer
#7
R S Finn, D H Ahn, M M Javle, B R Tan, C D Weekes, J C Bendell, A Patnaik, G N Khan, D Laheru, R Chavira, J Christy-Bittel, E Barrett, M B Sawyer, Tanios S Bekaii-Saab
Background The MAPK pathway plays a central role in regulation of several cellular processes, and its dysregulation is a hallmark of biliary tract cancer (BTC). Binimetinib (MEK162), a potent, selective oral MEK1/2 inhibitor, was assessed in patients with advanced BTC. Patients and Methods An expansion cohort study in patients who received ≤1 line of therapy for advanced BTC was conducted after determination of the maximum tolerated dose in this Phase 1 trial. Patients received binimetinib 60 mg twice daily...
May 22, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29785434/integration-of-phospholipid-hyaluronic-acid-methotrexate-nanocarrier-assembly-and-amphiphilic-drug-drug-conjugate-for-synergistic-targeted-delivery-and-combinational-tumor-therapy
#8
Yang Li, Huabing Zhang, Yilin Chen, Jinyuan Ma, Jinyan Lin, Yinying Zhang, Zhongxiong Fan, Guanghao Su, Liya Xie, Xuan Zhu, Zhenqing Hou
Combinational cancer therapy has been considered as a promising strategy to achieve synergetic therapeutic effects and suppression of multidrug resistance. Herein, we adopted a combination of methotrexate (MTX), an antimetabolite acting on cytoplasm, and 10-hydroxycamptothecin (HCPT), an alkaloid acting on nuclei, to treat cancer. Given the different solubilities, membrane permeabilities, and anticancer mechanisms of both drugs, we developed a dual-targeting delivery system based on 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-hyaluronic acid (a principal ligand of CD44 receptors)-MTX (a selective ligand of folate receptors) nanoparticles, which was exploited to carry HCPT-MTX conjugate for synergistically boosting dual-drug co-delivery...
May 22, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29785118/traditional-chinese-medicine-astragalus-polysaccharide-enhanced-antitumor-effects-of-the-angiogenesis-inhibitor-apatinib-in-pancreatic-cancer-cells-on-proliferation-invasiveness-and-apoptosis
#9
Jun Wu, Jing Wang, Qiang Su, Wei Ding, Teng Li, Junxian Yu, Bangwei Cao
Background: Traditional chemotherapy and molecular targeted therapy have shown modest effects on the survival of patients with pancreatic cancer. The current study aimed to investigate the antitumor effects of apatinib, Astragalus polysaccharide (APS), and the combination of both the drugs in pancreatic cancer cells and further explore the molecular mechanisms in vitro. Materials and methods: Expression of vascular endothelial growth factor receptor-2 (VEGFR-2) in human pancreatic cancer cell lines ASPC-1, PANC-1, and SW1990 was detected by Western blotting...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29784973/significance-of-prohibitin-domain-family-in-tumorigenesis-and-its-implication-in-cancer-diagnosis-and-treatment
#10
Jie Yang, Bin Li, Qing-Yu He
Prohibitin (PHB) was originally isolated and characterized as an anti-proliferative gene in rat liver. The evolutionarily conserved PHB gene encodes two human protein isoforms with molecular weights of ~33 kDa, PHB1 and PHB2. PHB1 and PHB2 belong to the prohibitin domain family, and both are widely distributed in different cellular compartments such as the mitochondria, nucleus, and cell membrane. Most studies have confirmed differential expression of PHB1 and PHB2 in cancers compared to corresponding normal tissues...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29784761/slc15a2-and-slc15a4-mediate-the-transport-of-bacterially-derived-di-tripeptides-to-enhance-the-nucleotide-binding-oligomerization-domain-dependent-immune-response-in-mouse-bone-marrow-derived-macrophages
#11
Yongjun Hu, Feifeng Song, Huidi Jiang, Gabriel Nuñez, David E Smith
There is increasing evidence that proton-coupled oligopeptide transporters (POTs) can transport bacterially derived chemotactic peptides and therefore reside at the critical interface of innate immune responses and regulation. However, there is substantial contention regarding how these bacterial peptides access the cytosol to exert their effects and which POTs are involved in facilitating this process. Thus, the current study proposed to determine the (sub)cellular expression and functional activity of POTs in macrophages derived from mouse bone marrow and to evaluate the effect of specific POT deletion on the production of inflammatory cytokines in wild-type, Pept2 knockout and Pht1 knockout mice...
May 21, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29784537/artificial-intelligence-a-joint-narrative-on-potential-use-in-pediatric-stem-and-immune-cell-therapies-and-regenerative-medicine
#12
REVIEW
Irena Sniecinski, Jerard Seghatchian
Artificial Intelligence (AI) reflects the intelligence exhibited by machines and software. It is a highly desirable academic field of many current fields of studies. Leading AI researchers describe the field as "the study and design of intelligent agents". McCarthy invented this term in 1955 and defined it as "the science and engineering of making intelligent machines". The central goals of AI research are reasoning, knowledge, planning, learning, natural language processing (communication), perception and the ability to move and manipulate objects...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29784026/effects-of-ionizing-radiation-on-the-viability-and-proliferative-behavior-of-the-human-glioblastoma-t98g-cell-line
#13
Hossam Murad, Yaman Alghamian, Abdulmunim Aljapawe, Ammar Madania
OBJECTIVE: Radiotherapy is the traditional therapy for glioma patients. Glioma has poor response to ionizing radiation (IR). Studying radiation-induced cell death can help in understanding the cellular mechanisms underlying its radioresistance. T98G cell line was irradiated with Co60 source by 2 or 10 Gy. MTT assay was used to calculate the surviving fraction. Cell viability, cell cycle distribution and apoptosis assays were conducted by flow cytometry for irradiated and control cells for the 10 Gy dose...
May 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29783745/loading-of-indocyanine-green-within-polydopamine-coated-laponite-nanodisks-for-targeted-cancer-photothermal-and-photodynamic-therapy
#14
Fanli Xu, Mengxue Liu, Xin Li, Zhijuan Xiong, Xueyan Cao, Xiangyang Shi, Rui Guo
The combination of photothermal therapy (PTT) and photodynamic therapy (PDT) in cancer treatment has attracted much attention in recent years. However, developing highly efficient and targeted therapeutic nanoagents for amplifying PTT and PDT treatments remains challenging. In this work, we developed a novel photothermal and photodynamic therapeutic nanoplatform for treatment of cancer cells overexpressing integrin αv β₃ through the coating of polydopamine (PDA) on indocyanine green (ICG)-loaded laponite (LAP) and then further conjugating polyethylene glycol-arginine-glycine-aspartic acid (PEG-RGD) as targeted agents on the surface...
May 19, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29783691/old-and-young-actors-playing-novel-roles-in-the-drama-of-multiple-myeloma-bone-marrow-microenvironment-dependent-drug-resistance
#15
REVIEW
Sabrina Manni, Marilena Carrino, Gianpietro Semenzato, Francesco Piazza
Multiple myeloma (MM) is the second most frequent hematologic cancer. In addition to the deleterious effects of neoplastic plasma cell growth and spreading during the disease evolution, this tumor is characterized by the serious pathological consequences due to the massive secretion of monoclonal immunoglobulins and by the derangement of bone physiology with progressive weakening of the skeleton. Despite significant progresses having been made in the last two decades in the therapeutic management of this plasma cell tumor, MM remains invariably lethal, due to its extremely complex genetic architecture and to the constant protection it receives from the tumor niche, which is represented by the bone marrow microenvironment...
May 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29783641/premature-spinal-bone-loss-in-women-living-with-hiv-is-associated-with-shorter-leukocyte-telomere-length
#16
Shirin Kalyan, Neora Pick, Alice Mai, Melanie C M Murray, Kristen Kidson, Jackson Chu, Arianne Y K Albert, Hélène C F Côté, Evelyn J Maan, Azita Goshtasebi, Deborah M Money, Jerilynn C Prior
With advances in combination antiretroviral therapy (cART), people living with HIV are now surviving to experience aging. Evidence suggests that individuals living with HIV are at greater risk for low bone mineral density (BMD), osteoporosis, and fractures. Better understanding of the pathophysiology of bone health in women living with HIV (WLWH) is important for treatment strategies. The goal of this study was to explore new biological factors linked to low BMD in WLWH. Standardized BMD measures of WLWH were compared to reference values from an unselected population of women from the same geographical region of the same age range...
May 18, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29783206/-experimental-evaluation-of-the-therapeutic-potential-of-liposome-mediated-apoe3-gene-transfection-for-cerebral-atherosclerosis
#17
Vadym V Biloshytskyi, Alisa V Pachevska, Alina V Biloshytska, Valerii M Istoshyn, Maryna V Biloshytska, Olha B Shevnia
OBJECTIVE: Introduction: In recent years, a stroke has been the cause of high lethality, long-term and sustained disability, the problem of which is still far from being resolved. The root cause of stroke is atherosclerosis. The aim: Study of neurotrophic and neuroprotective functions of apoE in rat brain tissue in experimental atherosclerosis. PATIENTS AND METHODS: Materials and methods: The study included 60 sexually mature rats. The model of experimental atherosclerosis was created by Anichkov method...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782926/decoding-cell-signalling-and-regulation-of-oligodendrocyte-differentiation
#18
REVIEW
A K Santos, M S Vieira, R Vasconcellos, V A M Goulart, A H Kihara, R R Resende
Oligodendrocytes are fundamental for the functioning of the nervous system; they participate in several cellular processes, including axonal myelination and metabolic maintenance for astrocytes and neurons. In the mammalian nervous system, they are produced through waves of proliferation and differentiation, which occur during embryogenesis. However, oligodendrocytes and their precursors continue to be generated during adulthood from specific niches of stem cells that were not recruited during development. Deficiencies in the formation and maturation of these cells can generate pathologies mainly related to myelination...
May 18, 2018: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29782834/high-throughput-dissection-of-aav-host-interactions-the-fast-and-the-curious
#19
REVIEW
Anne-Kathrin Herrmann, Dirk Grimm
Over fifty years after its initial description, Adeno-associated virus (AAV) remains a most exciting but also most elusive study object in basic or applied virology. On the one hand, its simple structure not only facilitates investigations into virus biology, but combined with the availability of numerous natural AAV variants with distinct infection efficiency and specificity also makes AAV a preferred substrate for engineering of gene delivery vectors. On the other hand, it is striking to witness a recent flurry of reports that highlight and partially close persistent gaps in our understanding of AAV virus and vector biology...
May 18, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29782610/castration-induces-satellite-cell-activation-that-contributes-to-skeletal-muscle-maintenance
#20
Alanna Klose, Wenxuan Liu, Nicole D Paris, Sophie Forman, John J Krolewski, Kent L Nastiuk, Joe V Chakkalakal
Background: Sarcopenia, the age-related loss of skeletal muscle, is a side effect of androgen deprivation therapy (ADT) for prostate cancer patients. Resident stem cells of skeletal muscle, satellite cells (SCs), are an essential source of progenitors for the growth and regeneration of skeletal muscle. Decreased androgen signaling and deficits in the number and function of SCs are features of aging. Although androgen signaling is known to regulate skeletal muscle, the cellular basis for ADT-induced exacerbation of sarcopenia is unknown...
2018: JCSM rapid communications
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