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Cellular Therapy

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https://www.readbyqxmd.com/read/28821160/leuconostoc-mesenteroides-derived-anticancer-pharmaceuticals-hinder-inflammation-and-cell-survival-in-colon-cancer-cells-by-modulating-nf-%C3%AE%C2%BAb-akt-pten-mapk-pathways
#1
Sepideh Zununi Vahed, Abolfazl Barzegari, Yalda Rahbar Saadat, Ali Goreyshi, Yadollah Omidi
Promising results from different studies on the effect of probiotics in cancer prevention and therapy have so far been reported. However, the molecular mechanism of the interaction of probiotics with cancer cells is yet to be fully understood. In the present study, Leuconostoc mesenteroides was isolated from traditional dairy products, and its probiotic characteristics were determined. HT-29 cells were treated with conditioned-medium of designated bacteria and the cell apoptosis was studied at cellular and molecular level using DAPI staining, flow cytometry, DNA ladder assays, and real-time quantitative-PCR (q-PCR)...
August 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28821038/the-inhibition-of-lps-induced-inflammation-in-raw264-7-macrophages-via-the-pi3k-akt-pathway-by-highly-n-acetylated-chitooligosaccharide
#2
Qingsong Xu, Meisi Liu, Qishun Liu, Wenxia Wang, Yuguang Du, Heng Yin
Chitooligosaccharide (COS) has been shown to regulate many biological functions, such as antimicrobial effect and antitumor activity. In the present study, highly N-acetylated chitooligosaccharide (NACOS) was prepared by N-acetylation of COS, and the anti-inflammatory activity of NACOS in macrophages were evaluated. The results indicated NACOS significantly suppressed the LPS-induced pro-inflammatory cytokines interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) expression. Furthermore, the increased levels of reactive oxygen species (ROS) and nitric oxide (NO) were repressed by NACOS in a dose dependent manner...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821028/targeted-gene-delivery-of-polyethyleneimine-grafted-chitosan-with-rgd-dendrimer-peptide-in-%C3%AE-v%C3%AE-3-integrin-overexpressing-tumor-cells
#3
Young-Min Kim, Seong-Cheol Park, Mi-Kyeong Jang
The safe and effective delivery of genetic material into cells is a necessary factor for gene therapy. Although a wide range of materials, methods, and combinations have been reported, successful gene therapy has been limited. In the present study, a targeted gene carrier for αvβ3 integrin-overexpressing tumor cells was designed using widely applied materials containing water soluble chitosan (WSC), RGD peptide, and polyethyleneimine (PEI). The physiological characteristics, in vitro targeted gene transfection, cytotoxicity, blood-compatibility, and cellular distributions were investigated...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820880/knock-out-of-a-mitochondrial-sirtuin-protects-neurons-from-degeneration-in-caenorhabditis-elegans
#4
Rachele Sangaletti, Massimo D'Amico, Jeff Grant, David Della-Morte, Laura Bianchi
Sirtuins are NAD⁺-dependent deacetylases, lipoamidases, and ADP-ribosyltransferases that link cellular metabolism to multiple intracellular pathways that influence processes as diverse as cell survival, longevity, and cancer growth. Sirtuins influence the extent of neuronal death in stroke. However, different sirtuins appear to have opposite roles in neuronal protection. In Caenorhabditis elegans, we found that knock-out of mitochondrial sirtuin sir-2.3, homologous to mammalian SIRT4, is protective in both chemical ischemia and hyperactive channel induced necrosis...
August 18, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28820389/hippo-pathway-brief-overview-of-its-relevance-in-cancer
#5
A L Zygulska, K Krzemieniecki, P Pierzchalski
The Hippo pathway is the major regulator of organ growth and proliferation. Described initially in Drosophila, it is now recognized as one of the most conserved molecular pathways in all metazoan. Recent studies have revealed the Hippo signalling pathway might contribute to tumorigenesis and cancer development. The core components of the Hippo pathway include the mammalian sterile 20-like kinases (MSTs), large tumour suppressor kinases (LATSs), the adaptor proteins Salvador homologue 1 (SAV1, also called WW45) and Mps One Binder kinase activator proteins...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28819882/novel-immunotherapies-for-multiple-myeloma
#6
REVIEW
Mattia D'Agostino, Mario Boccadoro, Eric L Smith
PURPOSE OF REVIEW: The treatment landscape of multiple myeloma is rapidly changing; however, despite improvement in patients' survival, it still remains a largely incurable disease. One hallmark of myeloma is substantial immune dysfunction leading to an increased infection rate and the inability of immune surveillance to detect neoplastic cells. Here, we critically analyze clinical approaches to harness the immune system to overcome this defect with a focus on antibody based and adoptive cellular therapies...
August 18, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28819455/microvesicles-as-potential-biomarkers-for-the-identification-of-senescence-in-human-mesenchymal-stem-cells
#7
Qian Lei, Teng Liu, Fei Gao, Hui Xie, Li Sun, Aiqi Zhao, Wenxiang Ren, Hao Guo, Liming Zhang, Hongxiang Wang, Zhichao Chen, An-Yuan Guo, Qiubai Li
Senescence in human mesenchymal stem cells (MSCs) not only contributes to organism aging and the development of a variety of diseases but also severely impairs their therapeutic properties as a promising cell therapy. Studies searching for efficient biomarkers that represent cellular senescence have attracted much attention; however, no single marker currently provides an accurate cell-free representation of cellular senescence. Here, we studied characteristics of MSC-derived microvesicles (MSC-MVs) that may reflect the senescence in their parental MSCs...
2017: Theranostics
https://www.readbyqxmd.com/read/28819453/s100-spect-uncovers-cellular-and-molecular-events-of-pre-metastatic-niche-formation-and-following-organ-specific-cancer-metastasis
#8
EDITORIAL
Masakiyo Sakaguchi
Great progress has been made in in vivo imaging for cancer metastasis. Eisenblaetter et al. developed an innovative S100A8/A9-specific single photon emission computed tomography (SPECT) probe for imaging and succeeded in detecting the metastatic organ favored by the cancer before the cancer arrival. By utilizing this advanced method, researchers have also found that cancer-derived monocytes are the main source of the abundant production of S100A8/A9 in the pre-metastatic area. The CCL2-CCR2 axis is associated with S100A8/A9 production...
2017: Theranostics
https://www.readbyqxmd.com/read/28819386/the-tumor-microenvironment-and-inflammatory-breast-cancer
#9
REVIEW
Aji Huang, Shousong Cao, Lili Tang
Inflammatory breast cancer (IBC) is a rare and very aggressive subtype of breast cancer with clinical manifestations similar to acute inflammation. The prognosis of IBC is still poor even though combination therapy with surgery, chemotherapy, and target therapy, mainly due to a lack of fully understanding of the cellular and molecular mechanisms of IBC pathogenesis and progression. In the present article, we have comprehensively reviewed the connection of the pathogenesis of IBC and inflammation, immune reaction and cancer, particularly focused on the role and mechanism of tumor microenvironment related to IBC formation, tumor cell proliferation, migration, invasion and metastasis as well as the clinical manifestations of IBC...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819009/the-aaa-atpase-p97-a-cellular-multitool
#10
REVIEW
Lasse Stach, Paul S Freemont
The AAA+ (ATPases associated with diverse cellular activities) ATPase p97 is essential to a wide range of cellular functions, including endoplasmic reticulum-associated degradation, membrane fusion, NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) activation and chromatin-associated processes, which are regulated by ubiquitination. p97 acts downstream from ubiquitin signaling events and utilizes the energy from ATP hydrolysis to extract its substrate proteins from cellular structures or multiprotein complexes...
August 17, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28818454/the-anti-tumor-effect-of-intravesical-administration-of-normal-urothelial-cells-on-bladder-cancer
#11
Chi-Ping Huang, Chi-Cheng Chen, Chih-Rong Shyr
BACKGROUND AIMS: Urothelial bladder cancer (UBC) is the second most common cancer of the genitourinary tract and for advanced forms of the disease it has a high mortality rate. There are no approved new molecularly targeted agents or chemotherapeutics for advanced UBC beyond cisplatin-based chemotherapy except the recently approved anti-programmed death ligand 1 (anti-PD-1/PD-L1) antibody. With complex genetic and epigenetic alterations in tumors, despite several druggable targets identified, to cure UBC is still a challenging unmet medical need...
August 14, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28818232/review-of-the-endothelial-pathogenic-mechanism-of-tie2-related-venous-malformation
#12
REVIEW
Zhong Du, JiaWei Zheng, ZhiYuan Zhang, YanAn Wang
BACKGROUND: Venous malformation (VM) is a type of disease involving vascular morphogenesis in humans. Clinically, VM can be sporadic or inherited. TIE2, also known as TEK or HYK, is a member of the receptor tyrosine kinase subfamily and is highly conserved among species. In 1996, an arginine-to-tryptophan substitution at position 849 (R849W) in TIE2 was found to induce hereditary VM. Additional alterations in TIE2 involved in the pathogenesis of inherited or sporadic VM have since been reported...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28818030/vitamin-e-%C3%AE-tocopherol-exhibits-antitumour-activity-on-oral-squamous-carcinoma-cells-orl-48
#13
Rahayu Zulkapli, Fathilah Abdul Razak, Rosnah Binti Zain
Cancers involving the oral cavity, head, and neck regions are often treated with cisplatin. In cancer therapy, the main target is to eliminate unwanted cancerous cells. However, reports on the nonselective nature of this drug have raised few concerns. Incorrect nutritional habits and lifestyle practices have been directly linked to cancer incidence. Nutrients with antioxidant activity inhibit cancer cells development, destroying them through oxidative stress and apoptosis. α-tocopherol, the potent antioxidant form of vitamin E is a known scavenger of free radicals...
September 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28817968/destabilizing-the-interplay-between-mir-1275-and-igf2bps-by-tamarix-articulata-and-quercetin-in-hepatocellular-carcinoma
#14
Yasmin M Shaalan, H Handoussa, R A Youness, R A Assal, A H El-Khatib, M W Linscheid, H M El Tayebi, A I Abdelaziz
Insulin-like growth factor-2 binding proteins (IGF2BPs) are oncogenic RNA-binding proteins, highly up-regulated in HCC, and were recently validated as direct targets of the tumour suppressor miR-1275. It is worth noting that around 47% of FDA approved anticancer drugs are derived from plants. Modulation by miRNAs and their cellular signalling cascades could constitute new pathways by which these phytochemicals exert their effects. This study aimed to investigate the potential use of Tamarix articulata, quercetin and epigallocatechin gallate (EGCG) in HCC and how these phytochemicals could epigenetically modulate the IGF axis using their impact on miR-1275...
August 18, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28817561/comparing-efficacies-of-moxifloxacin-levofloxacin-and-gatifloxacin-in-tuberculosis-granulomas-using-a-multi-scale-systems-pharmacology-approach
#15
Elsje Pienaar, Jansy Sarathy, Brendan Prideaux, Jillian Dietzold, Véronique Dartois, Denise E Kirschner, Jennifer J Linderman
Granulomas are complex lung lesions that are the hallmark of tuberculosis (TB). Understanding antibiotic dynamics within lung granulomas will be vital to improving and shortening the long course of TB treatment. Three fluoroquinolones (FQs) are commonly prescribed as part of multi-drug resistant TB therapy: moxifloxacin (MXF), levofloxacin (LVX) or gatifloxacin (GFX). To date, insufficient data are available to support selection of one FQ over another, or to show that these drugs are clinically equivalent. To predict the efficacy of MXF, LVX and GFX at a single granuloma level, we integrate computational modeling with experimental datasets into a single mechanistic framework, GranSim...
August 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28817212/fingolimod-against-endotoxin-induced-fetal-brain-injury-in-a-rat-model
#16
And Yavuz, Mekin Sezik, Ozlem Ozmen, Halil Asci
AIM: Fingolimod is a sphingosine-1-phosphate receptor modulator used for multiple sclerosis treatment and acts on cellular processes such as apoptosis, endothelial permeability, and inflammation. We hypothesized that fingolimod has a positive effect on alleviating preterm fetal brain injury. METHODS: Sixteen pregnant rats were divided into four groups of four rats each. On gestational day 17, i.p. endotoxin was injected to induce fetal brain injury, followed by i...
August 17, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28817209/huntington-s-disease-a-clinical-review
#17
Peter McColgan, Sarah J Tabrizi
Huntington's disease (HD) is a fully penetrant neurodegenerative disease caused by a dominantly inherited CAG trinucleotide repeat expansion in the huntingtin gene on chromosome 4. In Western populations HD has a prevalence of 10.6-13.7 individuals per 100,000. It is characterised by cognitive, motor and psychiatric disturbance. At the cellular level mutant huntingtin results in neuronal dysfunction and death through a number of mechanisms, including disruption of proteostasis, transcription and mitochondrial function and direct toxicity of the mutant protein...
August 17, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28817102/anticancer-activity-of-ramalin-a-secondary-metabolite-from-the-antarctic-lichen-ramalina-terebrata-against-colorectal-cancer-cells
#18
Sung-Suk Suh, Tai Kyoung Kim, Jung Eun Kim, Ju-Mi Hong, Trang Thu Thi Nguyen, Se Jong Han, Ui Joung Youn, Joung Han Yim, Il-Chan Kim
Colorectal cancer is a leading cause of death worldwide and occurs through the highly complex coordination of multiple cellular pathways, resulting in carcinogenesis. Recent studies have increasingly revealed that constituents of lichen extracts exhibit potent pharmaceutical activities, including anticancer activity against various cancer cells, making them promising candidates for new anticancer therapeutic drugs. The main objective of this study was to evaluate the anticancer capacities of ramalin, a secondary metabolite from the Antarctic lichen Ramalina terebrata, in the human colorectal cancer cell line HCT116...
August 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28817068/a-critical-review-on-the-effect-of-docosahexaenoic-acid-dha-on-cancer-cell-cycle-progression
#19
REVIEW
Marnie Newell, Kristi Baker, Lynne M Postovit, Catherine J Field
Globally, there were 14.1 million new cancer diagnoses and 8.2 million cancer deaths in 2012. For many cancers, conventional therapies are limited in their successes and an improved understanding of disease progression is needed in conjunction with exploration of alternative therapies. The long chain polyunsaturated fatty acid, docosahexaenoic acid (DHA), has been shown to enhance many cellular responses that reduce cancer cell viability and decrease proliferation both in vitro and in vivo. A small number of studies suggest that DHA improves chemotherapy outcomes in cancer patients...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28816544/animal-inflammation-based-models-of-depression-and-their-application-to-drug-discovery
#20
Li Ma, Konstantin A Demin, Tatyana O Kolesnikova, Sergey L Kharsko, Xiaokang Zhu, Xiaodong Yuan, Cai Song, Darya A Meshalkina, Brian E Leonard, Li Tian, Allan V Kalueff
Depression, anxiety and other affective disorders are globally widespread and severely debilitating human brain diseases. Despite their high prevalence and mental health impact, affective pathogenesis is poorly understood, and often remains recurrent and resistant to treatment. The lack of efficient antidepressants and presently limited conceptual innovation necessitate novel approaches and new drug targets in the field of antidepressant therapy. Areas covered: Herein, the authors discuss the emerging role of neuro-immune interactions in affective pathogenesis, which can become useful targets for CNS drug discovery, including modulating neuroinflammatory pathways to alleviate affective pathogenesis...
August 17, 2017: Expert Opinion on Drug Discovery
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