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Combined Elements Therapy

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https://www.readbyqxmd.com/read/28626364/ex-vivo-generation-of-genetically-modified-macrophages-from-human-induced-pluripotent-stem-cells
#1
Mania Ackermann, Alexandra Kuhn, Jessica Kunkiel, Sylvia Merkert, Ulrich Martin, Thomas Moritz, Nico Lachmann
BACKGROUND: Pluripotent stem cells, including induced pluripotent stem cells (iPSCs), have the capacity to differentiate towards all three germ layers and have been highlighted as an attractive cell source for the field of regenerative medicine. Thus, stable expression of therapeutic transgenes in iPSCs, as well as thereof derived progeny of hematopoietic lineage, may lay the foundation for innovative cell replacement therapies. METHODS: We have utilized human iPSC lines genetically modified by lentiviral vector technology or targeted integration of reporter genes to evaluate transgene expression during hematopoietic specification and differentiation towards macrophages...
June 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28625654/line-1-hypomethylation-is-associated-to-specific-clinico-pathological-features-in-stage-i-non-small-cell-lung-cancer
#2
Andrea Imperatori, Nora Sahnane, Nicola Rotolo, Francesca Franzi, Elisa Nardecchia, Laura Libera, Chiara Romualdi, Maria Cattoni, Fausto Sessa, Lorenzo Dominioni, Daniela Furlan
OBJECTIVES: We hypothesize that selected genetic and/or epigenetic changes associated with advanced tumours may help identifying early non-small cell lung cancers (NSCLCs) that recur after resection. Among epigenetic changes, long interspersed nuclear element-1 (LINE-1) hypomethylation is seen early during carcinogenesis and may act in concert with genetic alterations to cancer progression. LINE-1 hypomethylation and gene mutations frequently involved in lung cancer, were analysed to evaluate their prognostic role in resected stage I NSCLC...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28624199/engineering-next-generation-bet-independent-mlv-vectors-for-safer-gene-therapy
#3
Sara El Ashkar, Dominique Van Looveren, Franziska Schenk, Lenard S Vranckx, Jonas Demeulemeester, Jan De Rijck, Zeger Debyser, Ute Modlich, Rik Gijsbers
Retroviral vectors have shown their curative potential in clinical trials correcting monogenetic disorders. However, therapeutic benefits were compromised due to vector-induced dysregulation of cellular genes and leukemia development in a subset of patients. Bromodomain and extraterminal domain (BET) proteins act as cellular cofactors that tether the murine leukemia virus (MLV) pre-integration complex to host chromatin via interaction with the MLV integrase (IN) and thereby define the typical gammaretroviral integration distribution...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28622592/second-generation-h1-antihistamines-interaction-with-food-and-alcohol-a-systematic-review
#4
REVIEW
Paweł Paśko, Tomasz Rodacki, Renata Domagała-Rodacka, Krzysztof Palimonka, Monika Marcinkowska, Danuta Owczarek
Histamine is a mediator of many physiological processes. It plays an important role in modulating allergy reactions and immune system responses. H1 receptor is a therapeutic target for drugs applied in allergic diseases such as allergic rhinoconjunctivitis, urticarial, or atopic dermatitis. H1-antihistamines display different chemical structures, pharmacokinetics and a potential for drug-drug and drug-food interactions. Drug-food interactions are known to reduce therapeutic effects of the medicine, as well as to induce a potent adverse drug reactions...
June 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28620608/a-path-to-implement-precision-child-health-cardiovascular-medicine
#5
REVIEW
Marlin Touma, Brian Reemtsen, Nancy Halnon, Juan Alejos, J Paul Finn, Stanley F Nelson, Yibin Wang
Congenital heart defects (CHDs) affect approximately 1% of live births and are a major source of childhood morbidity and mortality even in countries with advanced healthcare systems. Along with phenotypic heterogeneity, the underlying etiology of CHDs is multifactorial, involving genetic, epigenetic, and/or environmental contributors. Clear dissection of the underlying mechanism is a powerful step to establish individualized therapies. However, the majority of CHDs are yet to be clearly diagnosed for the underlying genetic and environmental factors, and even less with effective therapies...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28603560/histone-deacetylase-inhibitors-potentiate-photodynamic-therapy-in-colon-cancer-cells-marked-by-chromatin-mediated-epigenetic-regulation-of-cdkn1a
#6
Andrea Halaburková, Rastislav Jendželovský, Ján Kovaľ, Zdenko Herceg, Peter Fedoročko, Akram Ghantous
BACKGROUND: Hypericin-mediated photodynamic therapy (HY-PDT) has recently captured increased attention as an alternative minimally invasive anticancer treatment, although cancer cells may acquire resistance. Therefore, combination treatments may be necessary to enhance HY-PDT efficacy. Histone deacetylase inhibitors (HDACis) are often used in combination treatments due to their non-genotoxic properties and epigenetic potential to sensitize cells to external stimuli. Therefore, this study attempts for the first time to investigate the therapeutic effects of HDACis in combination with visible light-mediated PDT against cancer...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28601896/influence-of-tnf-and-il6-gene-polymorphisms-on-the-severity-of-cytopenias-in-argentine-patients-with-myelodysplastic-syndromes
#7
Yesica Bestach, Virginia Palau Nagore, María G Flores, Jacqueline González, Jorge Arbelbide, Nora Watman, Yamila Sieza, Irene Larripa, Carolina Belli
Myelodysplastic syndromes (MDS) represent a heterogeneous group of hematologic disorders characterized by cytopenia(s) and predisposition to leukemic progression. An immune dysregulation and an aberrant bone marrow microenvironment seem to be key elements in the physiopathological process of MDS. In order to evaluate a possible association between susceptibility and clinic-pathologic features, we genotyped 153 MDS patients for functional cytokine polymorphisms: TNF (-308 G/A), IFNG (+874 A/T and +875 CAn), IL6 (-174 G/C), and TGFB1 (+869 C/T and +915 G/C)...
June 10, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28589172/genome-wide-gene-expression-dataset-used-to-identify-potential-therapeutic-targets-in-androgenetic-alopecia
#8
R Dey-Rao, A A Sinha
The microarray dataset attached to this report is related to the research article with the title: "A genomic approach to susceptibility and pathogenesis leads to identifying potential novel therapeutic targets in androgenetic alopecia" (Dey-Rao and Sinha, 2017) [1]. Male-pattern hair loss that is induced by androgens (testosterone) in genetically predisposed individuals is known as androgenetic alopecia (AGA). The raw dataset is being made publicly available to enable critical and/or extended analyses. Our related research paper utilizes the attached raw dataset, for genome-wide gene-expression associated investigations...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28575281/knockdown-and-replacement-therapy-mediated-by-artificial-mirtrons-in-spinocerebellar-ataxia-7
#9
Helen J Curtis, Yiqi Seow, Matthew J A Wood, Miguel A Varela
We evaluate a knockdown-replacement strategy mediated by mirtrons as an alternative to allele-specific silencing using spinocerebellar ataxia 7 (SCA7) as a model. Mirtrons are introns that form pre-microRNA hairpins after splicing, producing RNAi effectors not processed by Drosha. Mirtron mimics may therefore avoid saturation of the canonical processing pathway. This method combines gene silencing mediated by an artificial mirtron with delivery of a functional copy of the gene such that both elements of the therapy are always expressed concurrently, minimizing the potential for undesirable effects and preserving wild-type function...
May 30, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28573387/the-impact-of-change-of-renal-replacement-therapy-modality-on-sleep-quality-in-patients-with-end-stage-renal-disease-a-systematic-review-and-meta-analysis
#10
REVIEW
C Kennedy, S A Ryan, T Kane, R W Costello, P J Conlon
BACKGROUND: Sleep disorders are common and multi-factorial in patients with advanced chronic kidney disease and end-stage renal disease (ESRD). Sleep disorders and disturbance have a negative impact on wellbeing and quality of life. OBJECTIVE: To assess the impact of a change in renal replacement therapy (RRT) modality on sleep quality and sleep disturbance in patients with ESRD. DATA SOURCES: Multiple electronic databases were searched without publication type/period restrictions...
June 1, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28570076/insight-into-the-complexity-of-the-i-motif-and-g-quadruplex-dna-structures-formed-in-the-kras-promoter-and-subsequent-drug-induced-gene-repression
#11
Christine E Kaiser, Natalie A Van Ert, Prashansa Agrawal, Reena Chawla, Danzhou Yang, Laurence H Hurley
Activating KRAS mutations frequently occur in pancreatic, colorectal, and lung adenocarcinomas. While many attempts have been made to target oncogenic KRAS, no clinically useful therapies currently exist. Most efforts to target KRAS have focused on inhibiting the mutant protein; a less explored approach involves targeting KRAS at the transcriptional level. The promoter element of the KRAS gene contains a GC-rich nuclease hypersensitive site with three potential DNA secondary structure-forming regions. These are referred to as the Near-, Mid-, and Far-regions, on the basis of their proximity to the transcription start site...
June 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28569154/evaluation-of-the-knowledge-and-attitude-of-pharmacists-about-the-national-malaria-control-policy-in-southern-benin
#12
Habib Ganfon, Giraud Ekanmian, Louis Amoussou, Emilie Daniel-Garcia, Aurel Constant Allabi
BACKGROUND: The national strategy against malaria in an endemic country should involve all the health stakeholders. In Benin, the private sector is rarely present in the activities of the National Malaria Control Programme (NMCP), and its surveillance system does not cover private sector outlets that are a non-negligible part of the healthcare system. OBJECTIVE: The aim of this study was to describe the drug delivery practices within private pharmacies of Cotonou and Porto-Novo and the awareness of medicine providers concerning the national policy of malaria treatment...
May 31, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28567687/integrated-method-for-purification-and-single-particle-characterization-of-lentiviral-vector-systems-by-size-exclusion-chromatography-and-tunable-resistive-pulse-sensing
#13
Susanne Heider, Julien Muzard, Marianne Zaruba, Christoph Metzner
Elements derived from lentiviral particles such as viral vectors or virus-like particles are commonly used for biotechnological and biomedical applications, for example in mammalian protein expression, gene delivery or therapy, and vaccine development. Preparations of high purity are necessary in most cases, especially for clinical applications. For purification, a wide range of methods are available, from density gradient centrifugation to affinity chromatography. In this study we have employed size exclusion columns specifically designed for the easy purification of extracellular vesicles including exosomes...
May 31, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28561678/deploying-immunotherapy-in-pancreatic-cancer-defining-mechanisms-of-response-and-resistance
#14
Gregory L Beatty, Shabnam Eghbali, Rebecca Kim
The immune reaction to pancreatic ductal adenocarcinoma (PDAC) is a strong prognostic determinant of clinical outcomes and may be a promising therapeutic target. We use multiplex immunohistochemistry to illustrate distinct patterns of T-cell and myeloid cell infiltration seen in PDAC that have therapeutic implications and discuss the current state of immunotherapy in this disease. Based on collective findings from clinical and preclinical studies, two conceptual models have emerged for applying immunotherapy in PDAC that involve (1) restoring elements of T-cell immunosurveillance and (2) redirecting myeloid cells to condition tumors with increased sensitivity to cytotoxic therapies...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28552920/an-alternative-3d-numerical-method-to-study-the-biomechanical-behaviour-of-the-human-inner-ear-semicircular-canal
#15
Carla F Santos, Jorge Belinha, Fernanda Gentil, Marco Parente, Renato N Jorge
PURPOSE: The vestibular system is the part of the inner ear responsible for balance. Vertigo and dizziness are generally caused by vestibular disorders and are very common symptoms in people over 60 years old. One of the most efficient treatments at the moment is vestibular rehabilitation, permitting to improve the symptoms. However, this rehabilitation therapy is a highly empirical process, which needs to be enhanced and better understood. METHODS: This work studies the vestibular system using an alternative computational approach...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/28549484/the-effects-of-a-psychological-intervention-directed-at-optimizing-immune-function-study-protocol-for-a-randomized-controlled-trial
#16
Lemmy Schakel, Dieuwke S Veldhuijzen, Henriët van Middendorp, Corine Prins, Simone A Joosten, Tom H M Ottenhoff, Leo G Visser, Andrea W M Evers
BACKGROUND: Previous research has provided evidence for the link between psychological processes and psychophysiological health outcomes. Psychological interventions, such as face-to-face or online cognitive behavioral therapy (CBT) and serious games aimed at improving health, have shown promising results in promoting health outcomes. Few studies so far, however, have examined whether Internet-based CBT combined with serious gaming elements is effective in modulating health outcomes. Moreover, studies often did not incorporate psychophysiological or immunological challenges in order to gain insight into physiological responses to real-life challenges after psychological interventions...
May 26, 2017: Trials
https://www.readbyqxmd.com/read/28544385/korean-red-ginseng-extract-enhances-the-anticancer-effects-of-sorafenib-through-abrogation-of-creb-and-c-jun-activation-in-renal-cell-carcinoma
#17
Chulwon Kim, Jong Hyun Lee, Seung Ho Baek, Jeong-Hyeon Ko, Dongwoo Nam, Kwang Seok Ahn
Although application of sorafenib in the treatment of human renal cell carcinoma (RCC) remains one of the best examples of successful targeted therapy, majority of RCC patients suffer from its side effects as well as develop resistance to this targeted therapy. Thus, there is a need to promote novel alternative therapies for the treatment of RCC. In this study, we investigated whether Korean red ginseng extract (KRGE) could inhibit the proliferation and induce chemosensitization in human renal cancer cells...
May 22, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28543862/stratifying-risk-in-the-prevention-of-recurrent-variceal-hemorrhage-results-of-an-individual-patient-meta-analysis
#18
Agustín Albillos, Javier Zamora, Javier Martínez, David Arroyo, Irfan Ahmad, Joaquin De-la-Peña, Juan-Carlos Garcia-Pagán, G H Lo, Shiv Sarin, Barjesh Sharma, Juan Abraldes, Jaime Bosch, Guadalupe Garcia-Tsao
Endoscopic variceal ligation plus beta-blockers (EVL+BB) is currently recommended for variceal rebleeding prophylaxis, a recommendation that extends to all patients with cirrhosis with previous variceal bleeding irrespective of prognostic stage. Individualizing patient care is relevant and, in published studies on variceal rebleeding prophylaxis, there is a lack of information regarding response to therapy by prognostic stage. This study aimed at comparing EVL plus BB with monotherapy (EVL or BB) on all-source rebleeding and mortality in patients with cirrhosis and previous variceal bleeding stratified by cirrhosis severity (Child A vs...
May 25, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28540239/the-impact-and-management-of-sexual-dysfunction-secondary-to-pharmacological-therapy-of-benign-prostatic-hyperplasia
#19
REVIEW
Jason Gandhi, Steven J Weissbart, Noel L Smith, Steven A Kaplan, Gautam Dagur, Anna Zumbo, Gargi Joshi, Sardar Ali Khan
Benign prostatic hyperplasia (BPH) is one of the most common genitourinary complications in men over 50 years of age and typically presents with lower urinary tract symptoms (LUTS). Classes of medications include α1-adrenoceptor blockers, 5α-reductase inhibitors, and phosphodiesterase 5 inhibitors. Today, α1-adrenoceptor blockers and 5α-reductase inhibitors are often combined to give a synergistic effect. A review of the current literature identified several adverse sexual side effects, including erectile dysfunction (ED), decreased libido, orgasmic disorders, and ejaculatory disorders...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28530279/bifunctional-antimicrobial-conjugates-and-hybrid-antimicrobials
#20
REVIEW
P Klahn, M Brönstrup
Covering: up to the end of 2016Novel antimicrobial drugs are continuously needed to counteract bacterial resistance development. An innovative molecular design strategy for novel antibiotic drugs is based on the hybridization of an antibiotic with a second functional entity. Such conjugates can be grouped into two major categories. In the first category (antimicrobial hybrids), both functional elements of the hybrid exert antimicrobial activity. Due to the dual targeting, resistance development can be significantly impaired, the pharmacokinetic properties can be superior compared to combination therapies with the single antibiotics, and the antibacterial potency is often enhanced in a synergistic manner...
May 22, 2017: Natural Product Reports
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