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https://www.readbyqxmd.com/read/28729401/jak1-stat3-activation-through-a-proinflammatory-cytokine-pathway-leads-to-resistance-to-molecularly-targeted-therapy-in-non-small-cell-lung-cancer
#1
Kazuhiko Shien, Vassiliki A Papadimitrakopoulou, Dennis Ruder, Carmen Behrens, Li Shen, Neda Kalhor, Juhee Song, J Jack Lee, Jing Wang, Ximing Tang, Roy S Herbst, Shinichi Toyooka, Luc Girard, John D Minna, Jonathan M Kurie, Ignacio I Wistuba, Julie G Izzo
Molecularly targeted drugs have yielded significant therapeutic advances in oncogene-driven non-small cell lung cancer (NSCLC), but a majority of patients eventually develop acquired resistance. Recently, the relation between proinflammatory cytokine interleukin-6 (IL6) and resistance to targeted drugs has been reported. We investigated the functional contribution of IL6 and the other members of IL6 family proinflammatory cytokine pathway to resistance to targeted drugs in NSCLC cells. In addition, we examined the production of these cytokines by cancer cells and cancer-associated fibroblasts (CAFs)...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28724615/glioblastoma-cellular-cross-talk-converges-on-nf-%C3%AE%C2%BAb-to-attenuate-egfr-inhibitor-sensitivity
#2
Ciro Zanca, Genaro R Villa, Jorge A Benitez, Amy Haseley Thorne, Tomoyuki Koga, Matteo D'Antonio, Shiro Ikegami, Jianhui Ma, Antonia D Boyer, Afsheen Banisadr, Nathan M Jameson, Alison D Parisian, Olesja V Eliseeva, Gabriela F Barnabe, Feng Liu, Sihan Wu, Huijun Yang, Jill Wykosky, Kelly A Frazer, Vladislav V Verkhusha, Maria G Isaguliants, William A Weiss, Timothy C Gahman, Andrew K Shiau, Clark C Chen, Paul S Mischel, Webster K Cavenee, Frank B Furnari
In glioblastoma (GBM), heterogeneous expression of amplified and mutated epidermal growth factor receptor (EGFR) presents a substantial challenge for the effective use of EGFR-directed therapeutics. Here we demonstrate that heterogeneous expression of the wild-type receptor and its constitutively active mutant form, EGFRvIII, limits sensitivity to these therapies through an interclonal communication mechanism mediated by interleukin-6 (IL-6) cytokine secreted from EGFRvIII-positive tumor cells. IL-6 activates a NF-κB signaling axis in a paracrine and autocrine manner, leading to bromodomain protein 4 (BRD4)-dependent expression of the prosurvival protein survivin (BIRC5) and attenuation of sensitivity to EGFR tyrosine kinase inhibitors (TKIs)...
July 19, 2017: Genes & Development
https://www.readbyqxmd.com/read/28721770/study-to-investigate-how-nurse-led-cbt-can-support-women-with-breast-cancer
#3
(no author information available yet)
Breast care nurses are being trained to offer talking therapy in an effort to improve treatment for hot flushes and night sweats.
July 19, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28711686/hydrogel-elasticity-and-microarchitecture-regulate-dental-derived-mesenchymal-stem-cells-host-immune-system-cross-talk
#4
Sahar Ansari, Chider Chen, Mohammad Mahdi Hasani-Sarabadi, Bo Yu, Homayoun H Zadeh, Benjamin M Wu, Alireza Moshaverinia
The host immune system (T-lymphocytes and their pro-inflammatory cytokines) has been shown to compromise bone regeneration ability of mesenchymal stem cells (MSCs). We have recently shown that hydrogel, used as an encapsulating biomaterial affects the cross-talk among host immune cells and MSCs. However, the role of hydrogel elasticity and porosity in regulation of cross-talk between dental-derived MSCs and immune cells is unclear. In this study, we demonstrate that the modulus of elasticity and porosity of the scaffold influence T-lymphocyte-dental MSC interplay by regulating the penetration of inflammatory T cells and their cytokines...
July 12, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28706161/the-molecular-mechanisms-of-chemoresistance-in-cancers
#5
REVIEW
Hua-Chuan Zheng
Overcoming intrinsic and acquired drug resistance is a major challenge in treating cancer patients because chemoresistance causes recurrence, cancer dissemination and death. This review summarizes numerous molecular aspects of multi-resistance, including transporter pumps, oncogenes (EGFR, PI3K/Akt, Erk and NF-κB), tumor suppressor gene (p53), mitochondrial alteration, DNA repair, autophagy, epithelial-mesenchymal transition (EMT), cancer stemness, and exosome. The chemoresistance-related proteins are localized to extracellular ligand, membrane receptor, cytosolic signal messenger, and nuclear transcription factors for various events, including proliferation, apoptosis, EMT, autophagy and exosome...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28705643/gpcrs-and-egfr-cross-talk-of-membrane-receptors-in-cancer
#6
REVIEW
Meryem Köse
G protein-coupled receptors (GPCRs) and receptor-tyrosine kinases (RTKs) are two important classes of cell surface receptors proven to be highly tractable as drug targets. Both receptor classes are involved in various complex (patho-) physiological processes in the human body including cellular growth and differentiation. More recently, accumulating data suggest that GPCR-induced activation of EGFR, the prototyp of RTKs represents a major mechanism in various cancers. The present review will focus on this cross-talk with particular emphasis on intracellular scaffold proteins regulating EGFR transactivation...
July 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28692043/cross-talk-between-progesterone-receptors-and-retinoic-acid-receptors-in-regulation-of-cytokeratin-5-positive-breast-cancer-cells
#7
L M Fettig, O McGinn, J Finlay-Schultz, D V LaBarbera, S K Nordeen, C A Sartorius
Half of estrogen receptor-positive breast cancers contain a subpopulation of cytokeratin 5 (CK5)-expressing cells that are therapy resistant and exhibit increased cancer stem cell (CSC) properties. We and others have demonstrated that progesterone (P4) increases CK5+ breast cancer cells. We previously discovered that retinoids block P4 induction of CK5+ cells. Here we investigated the mechanisms by which progesterone receptors (PR) and retinoic acid receptors (RAR) regulate CK5 expression and breast CSC activity...
July 10, 2017: Oncogene
https://www.readbyqxmd.com/read/28690839/recent-advances-in-understanding-and-managing-cancer-pain
#8
REVIEW
Marcin Chwistek
Cancer pain remains a significant clinical problem worldwide. Causes of cancer pain are multifactorial and complex and are likely to vary with an array of tumor-related and host-related factors and processes. Pathophysiology is poorly understood; however, new laboratory research points to cross-talk between cancer cells and host's immune and neural systems as an important potential mechanism that may be broadly relevant to many cancer pain syndromes. Opioids remain the most effective pharmaceuticals used in the treatment of cancer pain...
2017: F1000Research
https://www.readbyqxmd.com/read/28690369/psychotherapy-in-historical-perspective
#9
Sarah Marks
This article will briefly explore some of the ways in which the past has been used as a means to talk about psychotherapy as a practice and as a profession, its impact on individuals and society, and the ethical debates at stake. It will show how, despite the multiple and competing claims about psychotherapy's history and its meanings, historians themselves have, to a large degree, not attended to the intellectual and cultural development of many therapeutic approaches. This absence has the potential consequence of implying that therapies have emerged as value-free techniques, outside of a social, economic and political context...
April 2017: History of the Human Sciences
https://www.readbyqxmd.com/read/28687495/extracellular-vesicles-novel-promising-delivery-systems-for-therapy-of-brain-diseases
#10
REVIEW
David Rufino-Ramos, Patrícia R Albuquerque, Vitor Carmona, Rita Perfeito, Rui Jorge Nobre, Luis Pereira de Almeida
Extracellular vesicles (EVs) are cell-derived membrane vesicles virtually secreted by all cells, including brain cells. EVs are a major term that includes apoptotic bodies, microvesicles and exosomes. The release of EVs has been recognized as an important modulator in cross-talking between neurons, astrocytes, microglia and oligodendrocytes, not only in central nervous system (CNS) physiology but also in neurodegenerative and neuroinflammatory disease states as well as in brain tumors, such as glioma. EVs are able to cross the blood brain barrier (BBB), spread to body fluids and reach distant tissues...
July 4, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28685613/highlights-of-the-san-antonio-breast-cancer-symposium-2016
#11
John R Benson, Ismail Jatoi
The 39th annual San Antonio Breast Cancer Symposium (SABCS) was convened in San Antonio, Texas, on 9-13 December 2016. More than 7000 clinicians and scientists from around the world participated in the symposium which featured a range of presentations and keynote talks pertaining to breast cancer screening, prevention, locoregional and systemic therapies. This two-part report highlights a selection of important studies presented at this premier breast cancer event with Part 1 focusing onmetastatic breast cancer, extended endocrine therapy and the prognostic significance of BRCA1/2 gene mutations...
July 7, 2017: Future Oncology
https://www.readbyqxmd.com/read/28684834/does-stress-in-a-dental-hygiene-and-dental-therapy-undergraduate-programme-contribute-to-a-sense-of-well-being-in-the-students
#12
M Harris, J C Wilson, S Hughes, D R Radford
Aims To use a qualitative approach to further explore the stress and well-being of dental hygiene and dental therapy students (DHDTS) during their undergraduate training.Subjects and methods Semi-structured individual interviews to explore motivation, goals, and perceived stress, were conducted with eight DHDTS from across all three years of study at the University of Portsmouth Dental Academy (UPDA). Thematic analysis of the data was undertaken using Braun and Clarke's (2006) six phases of thematic analysis...
July 7, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28682796/immunology-of-pancreatitis-and-environmental-factors
#13
Bomi Lee, Qinglan Zhao, Aida Habtezion
PURPOSE OF REVIEW: This report reviews recent aspects of pancreatitis immunology and environmental factors that link to development and progression of disease. RECENT FINDINGS: Limited human and animal model studies have recently attempted to understand immune mechanisms that lead to the pathogenesis of acute and chronic pancreatitis. Based on these studies innate immune responses emerge as critical elements in disease pathogenesis and severity of inflammation. The immune basis for environmental factors such as smoking, which are highly associated with disease progression highlight novel cross talk mechanisms between immune and nonimmune pancreatic cells such as the pancreatic stellate cells...
July 5, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28677471/story-in-numbers
#14
(no author information available yet)
Talking therapy targets in England are being missed, according to the charity Mind.
July 5, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28676940/prior-experiences-of-behavioral-health-treatment-among-uninsured-young-adults-served-in-a-psychiatric-crisis-setting
#15
Sarah Carter Narendorf, Richard Wagner, Nicole Fedoravicius, Micki Washburn
This study qualitatively explored the past treatment experiences of uninsured young adults who sought public emergency psychiatric care. Qualitative interviews were conducted with a racially diverse sample of 55 young adults (ages 18-25) using a semi-structured interview guide, and analyzed using a team-based open coding approach. Findings emerged in three broad areas-provider-related factors, treatment-related factors, and environmental factors. Young adults talked about the importance of providers respecting and listening to them, the perceived advantages and disadvantages of therapy and medication treatment, and aspects of the environment that resulted in positive and negative experiences, particularly in inpatient settings...
July 4, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28670576/neonatal-meningitis-overcoming-challenges-in-diagnosis-prognosis-and-treatment-with-omics
#16
REVIEW
Scott M Gordon, Lakshmi Srinivasan, Mary Catherine Harris
Neonatal meningitis is a devastating condition. Prognosis has not improved in decades, despite the advent of improved antimicrobial therapy and heightened index of suspicion among clinicians caring for affected infants. One in ten infants die from meningitis, and up to half of survivors develop significant lifelong complications, including seizures, impaired hearing and vision, and delayed or arrested development of such basic skills as talking and walking. At present, it is not possible to predict which infants will suffer poor outcomes...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28670569/molecular-and-microenvironmental-determinants-of-glioma-stem-like-cell-survival-and-invasion
#17
REVIEW
Alison Roos, Zonghui Ding, Joseph C Loftus, Nhan L Tran
Glioblastoma multiforme (GBM) is the most frequent primary brain tumor in adults with a 5-year survival rate of 5% despite intensive research efforts. The poor prognosis is due, in part, to aggressive invasion into the surrounding brain parenchyma. Invasion is a complex process mediated by cell-intrinsic pathways, extrinsic microenvironmental cues, and biophysical cues from the peritumoral stromal matrix. Recent data have attributed GBM invasion to the glioma stem-like cell (GSC) subpopulation. GSCs are slowly dividing, highly invasive, therapy resistant, and are considered to give rise to tumor recurrence...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28667075/axl-driven-emt-state-as-a-targetable-conduit-in-cancer
#18
REVIEW
Jane Antony, Ruby Yun-Ju Huang
The receptor tyrosine kinase (RTK) AXL has been intrinsically linked to epithelial-mesenchymal transition (EMT) and promoting cell survival, anoikis resistance, invasion, and metastasis in several cancers. AXL signaling has been shown to directly affect the mesenchymal state and confer it with aggressive phenotype and drug resistance. Recently, the EMT gradient has also been shown to rewire the kinase signaling nodes that facilitate AXL-RTK cross-talk, protracted signaling, converging on ERK, and PI3K axes...
June 30, 2017: Cancer Research
https://www.readbyqxmd.com/read/28665534/bronchoprotective-tolerance-with-indacaterol-is-not-modified-by-concomitant-tiotropium-in-persistent-asthma
#19
Sunny Jabbal, Arvind Manoharan, Brian Lipworth
BACKGROUND: Tiotropium is a long acting antimuscarinic (LAMA), licenced as triple therapy with inhaled corticosteroid and long acting beta-agonist (ICS/LABA). There may be a synergistic benefit between LAMA and LABA as a consequence of receptor cross-talk, which in turn could modify beta-2 receptor down-regulation and associated tolerance induced by LABA. OBJECTIVE: We hypothesise this mechanism may result in a reduction of airway hyperresponsiveness (AHR) when using triple therapy...
June 30, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28650276/highlights-of-the-san-antonio-breast-cancer-symposium-2016
#20
John R Benson, Ismail Jatoi
The 39th annual San Antonio Breast Cancer Symposium (SABCS) was convened in San Antonio, Texas, on 9-13 December 2016. More than 7000 clinicians and scientists from around the world participated in the symposium which featured a range of presentations and keynote talks pertaining to breast cancer screening, prevention, locoregional and systemic therapies. This two-part report highlights a selection of important studies presented at this premier breast cancer event with Part 1 focusing onmetastatic breast cancer, extended endocrine therapy and the prognostic significance of BRCA1/2 gene mutations...
June 2017: Future Oncology
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