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https://www.readbyqxmd.com/read/28917627/molecular-and-functional-characterization-of-cd133-stem-progenitor-cells-infused-in-patients-with-end-stage-liver-disease-reveals-their-interplay-with-stromal-liver-cells
#1
Lucia Catani, Daria Sollazzo, Elisa Bianchi, Marilena Ciciarello, Chiara Antoniani, Licia Foscoli, Paolo Caraceni, Ferdinando Antonino Giannone, Maurizio Baldassarre, Rosaria Giordano, Tiziana Montemurro, Elisa Montelatici, Antonia D'Errico, Pietro Andreone, Valeria Giudice, Antonio Curti, Rossella Manfredini, Roberto Massimo Lemoli
BACKGROUND AIMS: Growing evidence supports the therapeutic potential of bone marrow (BM)-derived stem/progenitor cells for end-stage liver disease (ESLD). We recently demonstrated that CD133(+) stem/progenitor cell (SPC) reinfusion in patients with ESLD is feasible and safe and improve, albeit transiently, liver function. However, the mechanism(s) through which BM-derived SPCs may improve liver function are not fully elucidated. METHODS: Here, we characterized the circulating SPCs compartment of patients with ESLD undergoing CD133(+) cell therapy...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28915981/transcutaneous-electrical-acupoint-stimulation-improves-the-outcomes-of-in-vitro-fertilization-a-prospective-randomized-and-controlled-study
#2
Fan Qu, Fang-Fang Wang, Yan Wu, Jue Zhou, Nicola Robinson, Paul J Hardiman, Jie-Xue Pan, Yi-Jing He, Yu-Hang Zhu, Han-Zhi Wang, Xiao-Qun Ye, Ke-Lin He, Long Cui, Hong-Li Zhao, Ying-Hui Ye
OBJECTIVES: To explore whether transcutaneous electrical acupoint stimulation (TEAS) can improve the outcomes of in vitro fertilization (IVF). DESIGN: A prospective, randomized, and controlled study. SETTING: IVF center in a university hospital. PARTICIPANTS: Four hundred and eighty-one infertile patients with bilateral tubal blockage who were referred for IVF. Patients were randomized into four groups. INTERVENTION: TEAS was administered for 30min, respectively, at 24h before TVOR and two hours before ET...
September 2017: Explore: the Journal of Science and Healing
https://www.readbyqxmd.com/read/28914804/the-role-of-erk-signaling-in-experimental-autoimmune-encephalomyelitis
#3
Katharina Birkner, Beatrice Wasser, Julia Loos, Alexander Plotnikov, Rony Seger, Frauke Zipp, Esther Witsch, Stefan Bittner
Extracellular signal-regulated kinase (ERK) signaling plays a crucial role in regulating immune cell function and has been implicated in autoimmune disorders. To date, all commercially available inhibitors of ERK target upstream components, such as mitogen-activated protein (MAP) kinase/ERK kinase (MEKs), but not ERK itself. Here, we directly inhibit nuclear ERK translocation by a novel pharmacological approach (Glu-Pro-Glu (EPE) peptide), leading to an increase in cytosolic ERK phosphorylation during T helper (Th)17 cell differentiation...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28912356/biomarkers-of-disease-can-be-detected-in-mice-as-early-as-4-weeks-after-initiation-of-exposure-to-third-hand-smoke-levels-equivalent-to-those-found-in-homes-of-smokers
#4
Neema Adhami, Yuxin Chen, Manuela Martins-Green
Third-hand smoke (THS) is a newly discovered environmental health hazard that results from accumulation and aging of second-hand smoke (SHS) toxins on surfaces where smoking has occurred. Our objective was to determine whether there is a time-dependent effect of THS exposure on health. Using an in vivo exposure mouse system that mimics exposure of humans to THS, we investigated its effects on biomarkers found in serum, and in liver and brain tissues. Mice were exposed to THS for 1, 2, 4, or 6 months and brain, liver, and serum were collected...
October 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28911610/myrciaria-cauliflora-extract-improves-diabetic-nephropathy-via-suppression-of-oxidative-stress-and-inflammation-in-streptozotocin-nicotinamide-mice
#5
Jeng-Dong Hsu, Chia-Chun Wu, Chi-Nan Hung, Chau-Jong Wang, Hui-Pei Huang
Myrciaria cauliflora is a functional food rich in anthocyanins, possessing antioxidative and anti-inflammatory properties. Our previous results demonstrated M. cauliflora extract (MCE) had beneficial effects in diabetic nephropathy (DN) and via the inhibition of Ras/PI3K/Akt and kidney fibrosis-related proteins. The purpose of this study was to assess the benefit of MCE in diabetes associated with kidney inflammation and glycemic regulation in streptozotocin-nicotinamide (STZ/NA)-induced diabetic mice. Compared with the untreated diabetic group, MCE significantly improved blood glucose and serum biochemical characteristic levels...
October 2016: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910138/hsp90-inhibition-and-cellular-stress-elicits-phenotypic-plasticity-in-hematopoietic-differentiation
#6
Abdalla A Lawag, Jennifer M Napper, Caroline A Hunter, Nickolas A Bacon, Seth Deskins, Manaf El-Hamdani, Sarah-Leigh Govender, Emine C Koc, Vincent E Sollars
Cancer cells exist in a state of Darwinian selection using mechanisms that produce changes in gene expression through genetic and epigenetic alteration to facilitate their survival. Cellular plasticity, or the ability to alter cellular phenotype, can assist in survival of premalignant cells as they progress to full malignancy by providing another mechanism of adaptation. The connection between cellular stress and the progression of cancer has been established, although the details of the mechanisms have yet to be fully elucidated...
September 14, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28903339/ing5-knockdown-enhances-migration-and-invasion-of-lung-cancer-cells-by-inducing-emt-via-egfr-pi3k-akt-and-il-6-stat3-signaling-pathways
#7
Xin-Li Liu, Xu-Tao Zhang, Jin Meng, Hong-Fei Zhang, Yong Zhao, Chen Li, Yang Sun, Qi-Bing Mei, Feng Zhang, Tao Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family, whose functions have been involved in the regulation of chromatin remodeling, cell cycle progression, proliferation and apoptosis. Our previous study has shown that ING5 overexpression inhibits lung cancer aggressiveness via suppressing epithelial to mesenchymal transition (EMT). However, the mechanisms remain largely unknown. In the current study, by Phospho-Kinase array and western blot, we have defined significantly upregulated EGFR/PI3K/Akt and IL-6/STAT3 oncogenic signaling pathways in ING5 knockdown A549 cells, which could be downregulated by ING5 overexpression...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903153/colony-stimulating-factor-1-receptor-expressing-cells-infiltrating-the-cornea-control-corneal-nerve-degeneration-in-response-to-hsv-1-infection
#8
Ana J Chucair-Elliott, Hem R Gurung, Meghan M Carr, Daniel J J Carr
Purpose: Herpes simplex virus type-1 (HSV-1) is a leading cause of neurotrophic keratitis, characterized by decreased or absent corneal sensation due to damage to the sensory corneal innervation. We previously reported the elicited immune response to infection contributes to the mechanism of corneal nerve regression/damage during acute HSV-1 infection. Our aim is to further establish the involvement of infiltrated macrophages in the mechanism of nerve loss upon infection. Methods: Macrophage Fas-Induced Apoptosis (MAFIA) transgenic C57BL/6 mice were systemically treated with AP20187 dimerizer or vehicle (VEH), and their corneas, lymph nodes, and blood were assessed for CD45+CD11b+GFP+ cell depletion by flow cytometry (FC)...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28901417/discrimination-of-the-heterogeneity-of-bone-marrow%C3%A2-derived-dendritic-cells
#9
Jing Wang, Xiaomin Dai, Chiaching Hsu, Changsheng Ming, Ying He, Ji Zhang, Lai Wei, Ping Zhou, Cong-Yi Wang, Jun Yang, Nianqiao Gong
The present study aimed to discriminate different subsets of cultured dendritic cells (DCs) to evaluate their immunological characteristics. DCs offer an important foundation for immunological studies, and mouse bone marrow (BM) cells cultured with granulocyte‑macrophage colony‑stimulating factor (GM‑CSF) have been used extensively to generate CD11c+/major histocompatibility complex II+ BM‑derived DCs (BMDCs). Immature DCs are considered to have strong migration and phagocytic antigen‑capturing abilities, whereas mature DCs are thought to activate naive T cells and express high levels of costimulatory cytokines and adhesion molecules...
September 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900063/-translational-research-on-neuropsychiatric-disorders-focusing-on-microglia-hypothesis
#10
Takahiro A Kato, Masahiro Ohgidani, Shigenobu Kanba
Microglia-immune cells in the brain-have recently been highlighted to understand the pathophysiology of psychiatric disorders such as schizophrenia, depression, and autism. In this review paper, we introduce the microglia hypothesis for psychiatric disorders. In addition, we introduce our novel translational research approach to psychiatric disorders using microglia-like (iMG) cells directly induced from human blood, these iMG cells can be produced from peripheral monocytes within two weeks using two cytokines: granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin-34 (IL-34)...
September 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28898593/biosimilars-implications-for-clinical-practice
#11
Robert M Rifkin, Susan R Peck
In 2015, the United States Food and Drug Administration (FDA) approved the first biosimilar, filgrastim-sndz, a biosimilar of the granulocyte colony-stimulating factor filgrastim. Since that time, the FDA has approved four additional biosimilar tumor necrosis factor α inhibitors, and, in May 2017, the Oncology Drug Advisory Committee voted in favor of approval of an epoetin alfa biosimilar. The patents of several widely used biologic cancer therapies (including trastuzumab, rituximab, bevacizumab, cetuximab, and pegfilgrastim) are recently expired or due to expire in the near future, so the introduction of biosimilars into the oncology treatment armamentarium is imminent...
September 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28895717/backbone-circularization-coupled-with-optimization-of-connecting-segment-in-effectively-improving-the-stability-of-granulocyte-colony-stimulating-factor
#12
Takamitsu Miyafusa, Risa Shibuya, Wataru Nishima, Rie Ohara, Chuya Yoshida, Shinya Honda
Backbone circularization of protein is a powerful method to improve its structural stability. In this paper, we presumed that a tight connection leads to much higher stability. Therefore, we designed circularized variants of a granulocyte-colony stimulating factor (G-CSF) with a structurally optimized terminal connection. To estimate the appropriate length of the connection, we surveyed the Protein Data Bank to find local structures as a model for the connecting segment. We set the library of local structures composed of "helix-loop-helix," subsequently selected entries similar to the G-CSF terminus, and finally sorted the hit structures according to the loop length...
September 12, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28894614/pancreatic-adenocarcinoma-producing-parathyroid-hormone-related-protein
#13
Reiko Yamada, Kyosuke Tanaka, Hiroyuki Inoue, Takashi Sakuno, Tetsuro Harada, Naohiko Yoshizawa, Hiroshi Miura, Toshihumi Takeuchi, Misaki Nakamura, Masaki Katsurahara, Yasuhiko Hamada, Noriyuki Horiki, Yoshiyuki Takei
A 48-year-old woman presented to our hospital with a 1-year history of a continuous high fever. She was diagnosed with metastatic pancreatic adenocarcinoma accompanied by leukocytosis without infection. Her serum concentration of granulocyte colony-stimulating factor was highly elevated. Forty-five days after initiating chemotherapy, she was readmitted because of a neuropsychiatric disturbance and hypercalcemia. Her serum concentration of parathyroid hormone-related protein (PTH-rP) was elevated. A pretreatment biopsy specimen showed strong cytoplasmic immunoreactivity to anti-PTH-rP antibody, suggesting that overproduction of PTH-rP accounted for the hypercalcemia...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28894469/ex-vivo-expansion-of-human-limbal-epithelial-cells-using-human-placenta-derived-and-umbilical-cord-derived-mesenchymal-stem-cells
#14
Sang Min Nam, Yong-Sun Maeng, Eung Kweon Kim, Kyoung Yul Seo, Helen Lew
Ex vivo culture of human limbal epithelial cells (LECs) is used to treat limbal stem cell (LSC) deficiency, a vision loss condition, and suitable culture systems using feeder cells or serum without animal elements have been developed. This study evaluated the use of human umbilical cord or placenta mesenchymal stem cells (C-MSCs or P-MSCs, resp.) as feeder cells in an animal/serum-free coculture system with human LECs. C-/P-MSCs stimulated LEC colony formation of the stem cell markers (p63, ABCG2) and secreted known LEC clonal growth factors (keratinocyte growth factor, β-nerve growth factor)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28894310/chemical-stability-of-plerixafor-after-opening-of-single-use-vial
#15
Jack T Seki, Andrea Bozovic, Roy Lee, Rita Kwong, Eshetu G Atenafu, Anna Xu, Jin-Hyeun Huh
BACKGROUND: The addition of the immunostimulant plerixafor to the current standard-of-care regimens of granulocyte colony-stimulating growth factor with or without chemotherapy has improved clinical results in terms of successful stem cell mobilization and the outcomes of stem cell transplant in various settings. With this medical innovation has come an added financial cost for institutions where stem cell transplants are routinely performed, and there may be a further financial burden when the contents of partial vials of the drug are wasted, given that plerixafor vials (Mozobil, Sanofi-Aventis Canada Inc) are currently deemed suitable only for single use...
July 2017: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/28894043/immune-disorders-in-sepsis-and-their-treatment-as-a-significant-problem-of-modern-intensive-care
#16
Lidia Łysenko, Patrycja Leśnik, Kamil Nelke, Hanna Gerber
Despite the great advances in the treatment of sepsis over the past 20 years, sepsis remains the main cause of death in intensive care units. In the context of new possibilities of treating sepsis, a comprehensive response of the immune system to the infection, immunosuppression, in particular, has in recent years gained considerable interest. There is vast evidence pointing to the correlation between comorbid immunosuppression and an increased risk of recurrent infections and death. Immune disorders may impact the clinical course of sepsis...
August 22, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28881590/upregulation-of-microrna-125b-by-g-csf-promotes-metastasis-in-colorectal-cancer
#17
Xinghua Zhang, Xiao Ma, Huaying An, Changqing Xu, Wenjo Cao, Wei Yuan, Jie Ma
Although there are reports of miR-125b being dysregulated in colorectal cancer (CRC) and associated with CRC progression, little is known about its intrinsic regulatory mechanisms. Here we detected the expression of miR-125b in CRC tissues, subsequently investigated the effect of miR-125b on the proliferation, apoptosis, cell cycle and metastasis on CRC cells. Our results showed that the expression of miR-125b was significantly decreased in CRC tissues comparing to adjacent tissues. However, with the stimulation of Granulocyte colony-stimulating factor (G-CSF), which was highly expressed in CRC tissues, the expression of miR-125b could be improved...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878349/peptide-mediated-delivery-of-donor-mitochondria-improves-mitochondrial-function-and-cell-viability-in-human-cybrid-cells-with-the-melas-a3243g-mutation
#18
Jui-Chih Chang, Fredrik Hoel, Ko-Hung Liu, Yau-Huei Wei, Fu-Chou Cheng, Shou-Jen Kuo, Karl Johan Tronstad, Chin-San Liu
The cell penetrating peptide, Pep-1, has been shown to facilitate cellular uptake of foreign mitochondria but further research is required to evaluate the use of Pep-1-mediated mitochondrial delivery (PMD) in treating mitochondrial defects. Presently, we sought to determine whether mitochondrial transplantation rescue mitochondrial function in a cybrid cell model of mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) disease. Following PMD, recipient cells had internalized donor mitochondria after 1 h, and expressed higher levels of normal mitochondrial DNA, particularly at the end of the treatment and 11 days later...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877128/antioxidant-and-trace-element-supplementation-reduce-the-inflammatory-response-in-critically-ill-burn-patients
#19
Sarah Rehou, Shahriar Shahrokhi, Rimona Natanson, Mile Stanojcic, Marc G Jeschke
Oxidative stress after burn injury induces inflammatory and hypermetabolic responses associated with adverse outcomes. We propose that antioxidant and trace element supplementation may reduce oxidative stress and subsequently alleviate inflammation and hypermetabolism, thus improving clinical outcomes. We conducted a cohort study of adult patients with an acute burn injury admitted to our provincial burn center. Patients in the antioxidant group received an intravenous infusion of multivitamins and trace elements for the first 14 days after admission...
August 31, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28875358/determination-of-critical-quality-attributes-for-a-biotherapeutic-in-the-qbd-paradigm-gcsf-as-a-case-study
#20
Sumit K Singh, Deepak Kumar, Anurag S Rathore
Estimating impact of the various product-related variants and impurities on a biotherapeutic's safety and efficacy is an essential requirement in the quality by design paradigm. In view of the limited role that clinical studies offer in this regard, we demonstrate a preclinical approach to achieve this for granulocyte colony-stimulating factor (GCSF). While our repeated-dose toxicity data suggest that these variants do not elicit any adverse effects or histopathological changes, aggregated GCSF impurity caused sluggishness in animal behavior manifested by a possible muscular injury...
September 5, 2017: AAPS Journal
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