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Immuno therapy

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https://www.readbyqxmd.com/read/29245066/immuno-biological-comparison-of-hepatic-stellate-cells-in-a-reverted-and-activated-state
#1
Mehdi Najar, Hussein Fayyad-Kazan, Wissam H Faour, Adil El Taghdouini, Gordana Raicevic, Leo A van Grunsven, Mustapha Najimi, Etienne Sokal, Laurence Lagneaux
Human hepatic stellate cells (HSCs) demonstrated great immunological plasticity with important consequences for liver cell therapy. Activated HSCs (aHSCs) are in vitro reverted (rHSCs) to a quiescent-like phenotype with potential benefit to reduce liver fibrosis. The goal of this study is to establish and compare the immunological profile of activated and in vitro reverted HSCs and to investigate the impact of inflammatory priming on the immunobiology of both HSCs populations. The distribution of inflammatory primed activated and reverted HSCs across the different phases of the cell cycle is assessed by flow cytometry...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29241549/trafficking-mediated-sting-degradation-requires-sorting-to-acidified-endolysosomes-and-can-be-targeted-to-enhance-anti-tumor-response
#2
Vijay K Gonugunta, Tomomi Sakai, Vladislav Pokatayev, Kun Yang, Jianjun Wu, Nicole Dobbs, Nan Yan
STING is an endoplasmic reticulum (ER)-associated transmembrane protein that turns on and quickly turns off downstream signaling as it translocates from the ER to vesicles. How STING signaling is attenuated during trafficking remains poorly understood. Here, we show that trafficking-mediated STING degradation requires ER exit and function of vacuolar ATPase complex. Late-stage STING vesicles are sorted to Rab7-positive endolysosomes for degradation. Based on analysis of existing structures, we also identified the helix amino acid 281 (aa281)-297 as a motif required for trafficking-mediated STING degradation...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29236046/advances-in-proteomic-techniques-for-cytokine-analysis-focus-on-melanoma-research
#3
REVIEW
Helena Kupcova Skalnikova, Jana Cizkova, Jakub Cervenka, Petr Vodicka
Melanoma is a skin cancer with permanently increasing incidence and resistance to therapies in advanced stages. Reports of spontaneous regression and tumour infiltration with T-lymphocytes makes melanoma candidate for immunotherapies. Cytokines are key factors regulating immune response and intercellular communication in tumour microenvironment. Cytokines may be used in therapy of melanoma to modulate immune response. Cytokines also possess diagnostic and prognostic potential and cytokine production may reflect effects of immunotherapies...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29232825/galectin-1-inhibitor-otx008-induces-tumor-vessel-normalization-and-tumor-growth-inhibition-in-human-head-and-neck-squamous-cell-carcinoma-models
#4
Nathan A Koonce, Robert J Griffin, Ruud P M Dings
Galectin-1 is a hypoxia-regulated protein and a prognostic marker in head and neck squamous cell carcinomas (HNSCC). Here we assessed the ability of non-peptidic galectin-1 inhibitor OTX008 to improve tumor oxygenation levels via tumor vessel normalization as well as tumor growth inhibition in two human HNSCC tumor models, the human laryngeal squamous carcinoma SQ20B and the human epithelial type 2 HEp-2. Tumor-bearing mice were treated with OTX008, Anginex, or Avastin and oxygen levels were determined by fiber-optics and molecular marker pimonidazole binding...
December 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29221667/interleukin-27-and-interleukin-37-are-elevated-in-sickle-cell-anemia-patients-and-inhibit-in-vitro-secretion-of-interleukin-8-in-neutrophils-and-monocytes
#5
A E Alagbe, A S Justo Junior, L P Ruas, W V Tonassé, R M Santana, T H C Batista, I F Domingos, A S Araujo, M A C Bezerra, M N N Santos, M H S L Blotta
BACKGROUND AND OBJECTIVE: Inflammation is implicated in the pathogenesis of most complications seen in sickle cell anemia (SCA) patients. We aimed to evaluate serum levels of two newly discovered anti-inflammatory cytokines (IL-27 and IL-37), and pro-inflammatory cytokines among Brazilian SCA patients that are not on hydroxyurea therapy (HbSS), compared with hydroxyurea-treated patients (HbSSHU) and healthy controls (HbAA). Furthermore, we demonstrated the effect of IL-27, IL-37, and heme on in vitro secretions of IL-8 in human neutrophils and monocytes...
December 5, 2017: Cytokine
https://www.readbyqxmd.com/read/29221186/inflammatory-biomarkers-in-metastatic-colorectal-cancer-prognostic-and-predictive-role-beyond-the-first-line-setting
#6
Jakob Michael Riedl, Florian Posch, Florian Moik, Angelika Bezan, Joanna Szkandera, Maria Anna Smolle, Anne-Katrin Kasparek, Martin Pichler, Herbert Stöger, Michael Stotz, Armin Gerger
Introduction: Inflammatory biomarkers are useful prognostic tools in cancer patients. However, the prognostic and predictive value of inflammatory biomarkers beyond the 1st-line setting in metastatic colorectal cancer (mCRC) is unclear. Results: In multivariate analysis 1 standard deviation increase in neutrophil-lymphocyte-ratio (NLR) was associated with an 8.5% absolute lower objective-response-rate (ORR) in 1st-line (p<0.0001), 3% lower ORR in 2nd-line (p< 0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29210355/neuroangiostrongyliasis-the-subarachnoid-phase-and-its-implications-for-anthelminthic-therapy
#7
Paul Prociv, Megan Turner
Infection with the Rat Lungworm Angiostrongylus cantonensis is the leading cause of human eosinophilic meningoencephalitis worldwide. From its origins in southeastern Asia, the parasite was spread extensively throughout the twentieth century and is now established in many of the world's warmer regions. Its clinical effects range from mild and transient symptoms, usually headache with peripheral nerve dysfunction, to severe and permanent central nervous system (CNS) damage, occasionally fatal. The severity and prognosis of disease are determined by the larval dose, acquired by ingesting infected intermediate hosts (slugs and snails) or, less often, paratenic hosts, such as crabs, shrimps, frogs, and monitor lizards...
December 4, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29207033/epigallocatechin-3-gallate-inhibits-inflammation-and-epithelial%C3%A2-mesenchymal-transition-through-the-pi3k-akt-pathway-via-upregulation-of-pten-in-asthma
#8
Nan Yang, Han Zhang, Xuxu Cai, Yunxiao Shang
Asthma is a chronic disease associated with hyperresponsiveness, obstruction and remodeling of the airways. Epithelial-mesenchymal transition (EMT) has an important role in these alterations and may account for the accumulation of subepithelial mesenchymal cells, thus contributing to airway hyperresponsiveness and remodeling. Epigallo-catechin‑3‑gallate (EGCG), which is a type of polyphenol, is the most potent ingredient in green tea, and exhibits antibacterial, antiviral, antioxidative, anticancer and chemopreventive activities...
November 28, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29205109/new-treatments-for-allergy-advances-in-peptide-immunotherapy
#9
David Calzada, Selene Baos, Lucia Cremades, Blanca Olombrada Cardaba
BACKGROUND: Nowadays, allergen-specific immunotherapy (AIT) is the only treatment able to modulate the course of allergic diseases. Although it has been applied for the last 100 years, treatment with whole allergen extracts is not without its drawbacks: AIT can cause local and systemic adverse events and may produce new IgE sensitization against other allergens present in the extract. Furthermore, the lengthy treatment duration (3-5 years), frequent administration, and high cost of treatment are other disadvantages...
November 30, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29191510/transplantation-of-human-amnion-prevents-recurring-adhesions-and-ameliorates-fibrosis-in-a-rat-model-of-sciatic-nerve-scarring
#10
Angela Lemke, James Ferguson, Kelly Gross, Carina Penzenstadler, Monika Bradl, Rupert Laurenz Mayer, Christopher Gerner, Heinz Redl, Susanne Wolbank
Peripheral nerve fibrosis and painful adhesions are common, recurring pathological sequelae following injury. In this study, vital human amnion (hAM), an increasingly interesting biomaterial for regenerative medicine, was investigated as a novel therapy. hAM was first analyzed in vitro regarding its anti-adhesive characteristics. Then, the reflected region of hAM which was identified as more suitable, was transplanted into female Sprague Dawley rats with recurring sciatic nerve scarring (n = 24) and compared with untreated controls (n = 30) at one, four and twelve weeks...
November 27, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29190900/immuno-pet-imaging-based-radioimmunotherapy-in-head-and-neck-squamous-cell-carcinoma-model
#11
In Ho Song, Youn Noh, Junhye Kwon, Jae Ho Jung, Byung Chul Lee, Kwang Il Kim, Yong Jin Lee, Joo Hyun Kang, Chae Seo Rhee, Chul Hee Lee, Tae Sup Lee, Ik Joon Choi
The epidermal growth factor receptor (EGFR) is one of the most comprehensively studied molecular targets in head and neck squamous cell carcinoma (HNSCC). However, inherent and acquired resistance are serious problems and are responsible for limited clinical efficacy and tumor recurrence. In this study, we evaluated the feasibility of immuno-positron emission tomography (PET) imaging and radioimmunotherapy (RIT) with 64Cu-/177Lu-PCTA-cetuximab in cetuximab-resistant SNU-1066 HNSCC xenografted model. The cellular uptake of 64Cu/177Lu-3,6,9,15-tetraazabicyclo[9...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29186297/non-coding-rnas-in-cardiovascular-disease-pathological-relevance-and-emerging-role-as-biomarkers-and-therapeutics
#12
Roopesh S Gangwar, Sanjay Rajagopalan, Rama Natarajan, Jeffrey A Deiuliis
Non-coding RNAs (ncRNA) include a diverse range of functional RNA species-microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) being most studied in pathophysiology. Cardiovascular morbidity is associated with differential expression of myriad miRNAs; miR-21, miR-155, miR-126, miR-146a/b, miR-143/145, miR-223, and miR-221 are the top nine most reported miRNAs in hypertension and atherosclerotic disease. A single miRNA may have hundreds of messenger RNA targets, which makes a full appreciation of the physiologic ramifications of such broad-ranging effects a challenge...
November 22, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29177796/molecular-and-cellular-mechanisms-involved-in-mesenchymal-stem-cell-based-therapy-of-inflammatory-bowel-diseases
#13
REVIEW
Bojana Simovic Markovic, Tatjana Kanjevac, C Randall Harrell, Marina Gazdic, Crissy Fellabaum, Nebojsa Arsenijevic, Vladislav Volarevic
Mesenchymal stem cells (MSCs) are promising resource for the therapy of inflammatory bowel diseases (IBDs) on the grounds of their differentiation capabilities and immuno-modulatory characteristics. Results of clinical studies indicate that local application of MSCs is a secure and beneficial approach for the treatment of perianal fistulas while systemic application of MSCs leads to the attenuation or aggravation of IBDs. Herein, we emphasized molecular mechanisms and approaches that should improve efficacy of MSC-based therapy of IBDs...
November 25, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/29170067/perspectives-on-the-integration-of-immuno-oncology-biomarkers-and-drugs-in-a-health-care-setting
#14
REVIEW
K Vermaelen, A Waeytens, O Kholmanskikh, M Van den Bulcke, E Van Valckenborgh
Immunotherapies, specifically checkpoint inhibitors, are becoming an important component in cancer care with the most application now in melanoma and lung cancer patients. Some drawbacks that converge with this new evolution are the rather low response rates to these drugs and their high cost with a significant economic impact on the health care system. These major challenges can likely be circumvented by implementing a "personalized immuno-oncology" approach to accomplish a selection of optimal responders based on biomarkers...
November 20, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29165391/micrornas-associated-with-von-hippel-lindau-pathway-in-renal-cell-carcinoma-a-comprehensive-review
#15
REVIEW
Lisa-Maria Schanza, Maximilian Seles, Michael Stotz, Johannes Fosselteder, Georg C Hutterer, Martin Pichler, Verena Stiegelbauer
Renal cell carcinoma (RCC) are the most common renal neoplasia and can be divided into three main histologic subtypes, among which clear cell RCC is by far the most common form of kidney cancer. Despite substantial advances over the last decade in the understanding of RCC biology, surgical treatments, and targeted and immuno-therapies in the metastatic setting, the prognosis for advanced RCC patients remains poor. One of the major problems with RCC treatment strategies is inherent or acquired resistance towards therapeutic agents over time...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29163463/selective-glucocorticoid-receptor-properties-of-gsk866-analogs-with-cysteine-reactive-warheads
#16
Chandra S Chirumamilla, Ajay Palagani, Balu Kamaraj, Ken Declerck, Marinus W C Verbeek, Ryabtsova Oksana, Karolien De Bosscher, Nadia Bougarne, Bart Ruttens, Kris Gevaert, René Houtman, Winnok H De Vos, Jurgen Joossens, Pieter Van Der Veken, Koen Augustyns, Xaveer Van Ostade, Annemie Bogaerts, Hans De Winter, Wim Vanden Berghe
Synthetic glucocorticoids (GC) are the mainstay therapy for treatment of acute and chronic inflammatory disorders. Due to the high adverse effects associated with long-term use, GC pharmacology has focused since the nineties on more selective GC ligand-binding strategies, classified as selective glucocorticoid receptor (GR) agonists (SEGRAs) or selective glucocorticoid receptor modulators (SEGRMs). In the current study, GSK866 analogs with electrophilic covalent-binding warheads were developed with potential SEGRA properties to improve their clinical safety profile for long-lasting topical skin disease applications...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29158842/locoregional-confinement-and-major-clinical-benefit-of-188-re-loaded-cxcr4-targeted-nanocarriers-in-an-orthotopic-human-to-mouse-model-of-glioblastoma
#17
Delphine Séhédic, Igor Chourpa, Clément Tétaud, Audrey Griveau, Claire Loussouarn, Sylvie Avril, Claire Legendre, Nicolas Lepareur, Didier Wion, François Hindré, François Davodeau, Emmanuel Garcion
PURPOSE: Gold standard beam radiation for glioblastoma (GBM) treatment is challenged by resistance phenomena occurring in cellular populations well prepared to survive or to repair damage caused by radiation. Among signals that have been linked with radio-resistance, the SDF1/CXCR4 axis, associated with cancer stem-like cell, may be an opportune target. To avoid the problem of systemic toxicity and blood-brain barrier crossing, the relevance and efficacy of an original system of local brain internal radiation therapy combining a radiopharmaceutical with an immuno-nanoparticle was investigated...
2017: Theranostics
https://www.readbyqxmd.com/read/29157471/case-reports-on-integrated-management-of-tubercular-disease
#18
Kusum S Chand, Priya Kapoor
BACKGROUND: Host immunity plays an important role in prevention of disease as is evident by the increased incidence of Tuberculosis (TB) in immuno-compromised population of HIV infected, diabetes inflicted, immune-suppressant therapy and elderly people. Rising incidence of antibiotic resistance has led to resurgence of TB of epidemic proportions. Integrated treatment with add on homeopathy in addition to anti-tuberculosis treatment (ATT) appears to improve outcome in TB. The intervention has been integrated treatment with homeopathy regime, which is using a patient specific, disease specific and supportive medicine simultaneously, all individualized for the patient and the disease...
November 2017: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/29147890/food-allergy-in-children-an-overview
#19
REVIEW
Jaidev M Devdas, Christopher Mckie, Adam T Fox, Vinod H Ratageri
The estimated prevalence of food allergy amongst children in the west is around 6-8% but there is paucity of data in the Indian population. There is a complex interplay of environmental influences and genetic factors in the immuno-pathogenesis and manifestations of food allergy. A reliable thorough clinical history, combined with positive skin prick tests or food-specific IgE, is essential for a more precise diagnosis of food allergy. Currently there is no cure for food allergy. The management of food allergy usually includes strict avoidance, patient education and provision of emergency medication (adrenaline-autoinjectors)...
November 17, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29147618/programmed-cell-death-ligands-expression-in-phaeochromocytomas-and-paragangliomas-relationship-with-the-hypoxic-response-immune-evasion-and-malignant-behavior
#20
David J Pinato, James R Black, Sebastian Trousil, Roberto E Dina, Pritesh Trivedi, Francesco A Mauri, Rohini Sharma
The hypoxic response underlies the pathogenesis and malignant behavior of PCC/PGL. Regulation of PD-1 receptor-ligand signaling, a therapeutically actionable driver of the anti-tumor immune response, is a hypoxic-driven trait across malignancies. We evaluated the prognostic role of PD ligands in association with biomarkers of hypoxia and angiogenesis in patients with PCC/PGL. Tissue microarrays sections including consecutive cases diagnosed between 1983-2011 were stained for PD-L1 and 2, hypoxia inducible factor 1a (Hif-1a), Carbonic Anhydrase IX (CaIX), Vascular Endothelial Growth Factor-A (VEGF-A)...
2017: Oncoimmunology
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