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https://www.readbyqxmd.com/read/28227433/microprinted-tumor-spheroids-enable-anti-cancer-drug-screening
#1
Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Stephanie L Ham, Hossein Tavana
Spheroids present a biologically relevant model of avascular tumors and a unique tool for discovery of anti-cancer drugs. Despite being used in research laboratories for several decades, spheroids are not routinely used for drug discovery primarily due to the difficulty of mass-producing uniformly-sized spheroids and intense labor involved in handling, drug treatment, and analyzing them. We overcome this barrier using a novel technology to robotically microprint spheroids in standard 384-well plates. An aqueous drop containing cancer cells is dispensed into a bath of a second, immiscible aqueous phase...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#2
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28217814/-effects-of-growth-differentiation-factor-15-gdf-15-on-neurological-systems-cardiovascular-diseases-and-cancer-progression
#3
Dong-Dong Liu, Yan-Ai Mei
Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor beta superfamily. GDF-15 expression is dramatically upregulated during acute brain injury, cancer, cardiovascular disease, and inflammation, suggesting its potential value as a disease biomarker. It has been suggested that GDF-15 has neurotropic effects in the nervous system. Our studies showed that GDF-15 modulated the expression of neuronal K(+) and Ca(2+) ion channels and increased the release of excitatory transmitter in the medial prefrontal cortex of mice...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28215167/chemical-modifications-of-ketoprofen-nsaid-in-search-of-better-lead-compounds-a-review-of-literature-from-2004-2016
#4
Gita Chawla, Chanda Ranjan, Anees A Siddiqui, Jagdish Kumar, Ankita Pathak
BACKGROUND: Ketoprofen, a potent anti-inflammatory, analgesic and anti-pyretic drug belonging to the propionic acid class was synthesized in 1968. Rapid absorption, simple metabolism, faster blood brain barrier crossing and high antinociceptive activity are the features responsible for its high use. But, free acidic moiety present in its structure is the major factor that declines its popularity by causing various gastric side effects .Many researchers have chemically modified this drug with the aim to discover an improved and safe NSAID candidate or a new drug with altered activity...
February 16, 2017: Anti-inflammatory & Anti-allergy Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28212542/two-stage-genome-wide-association-study-identifies-a-novel-susceptibility-locus-associated-with-melanoma
#5
Katherine J Ransohoff, Wenting Wu, Hyunje G Cho, Harvind C Chahal, Yuan Lin, Hong-Ji Dai, Christopher I Amos, Jeffrey E Lee, Jean Y Tang, David A Hinds, Jiali Han, Qingyi Wei, Kavita Y Sarin
Genome-wide association studies have identified 21 susceptibility loci associated with melanoma. These loci implicate genes affecting pigmentation, nevus count, telomere maintenance, and DNA repair in melanoma risk. Here, we report the results of a two-stage genome-wide association study of melanoma. The stage 1 discovery phase consisted of 4,842 self-reported melanoma cases and 286,565 controls of European ancestry from the 23andMe research cohort and the stage 2 replication phase consisted of 1,804 melanoma cases and 1,026 controls from the University of Texas M...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28192888/computed-tomography-morphologic-features-of-pulmonary-adenocarcinoma-with-brain-bone-metastasis
#6
Ki-Eun Hwang, Su-Jin Oh, Chul Park, Se-Jeong Jeon, Jeong-Mi Lee, Byong-Ki Cha, Kwon-Ha Yoon, Eun-Taik Jeong, Hak-Ryul Kim
Background/Aims: Brain and bone metastases are common in patients with lung cancer. The development of metastasis is associated with poor survival in lung cancer patients. Although tumor morphologic features on radiographs are routinely assessed for differentiation between benign and malignant lung nodules, they are not used to predict metastasis. We assessed morphologic features of pulmonary adenocarcinomas with brain/bone metastasis on computed tomography (CT) to identify related factors for metastasis...
February 15, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28191467/effects-of-tibolone-on-the-central-nervous-system-clinical-and-experimental-approaches
#7
REVIEW
Rodolfo Pinto-Almazán, Julia J Segura-Uribe, Eunice D Farfán-García, Christian Guerra-Araiza
Hormone replacement therapy (HRT) increases the risk of endometrial and breast cancer. A strategy to reduce this incidence is the use of tibolone (TIB). The aim of this paper was to address the effects of TIB on the central nervous system (CNS). For the present review, MEDLINE (via PubMed), LILACS (via BIREME), Ovid Global Health, SCOPUS, Scielo, and PsycINFO (ProQuest Research Library) electronic databases were searched for the results of controlled clinical trials on peri- and postmenopausal women published from 1990 to September 2016...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28186384/women-s-perspectives-on-human-papillomavirus-self-sampling-in-the-context-of-the-uk-cervical-screening-programme
#8
Denitza Williams, Myfanwy Davies, Alison Fiander, Daniel Farewell, Sharon Hillier, Kate Brain
BACKGROUND: Testing for human papillomavirus (HPV) is being incorporated into the cervical screening programme, with the probable future introduction of HPV as a primary test and a possibility of HPV self-sampling. In anticipation of this development, we sought to inform future policy and practice by identifying potential barriers to HPV self-sampling. METHODS: A cross-sectional survey of 194 women aged 20-64 years was conducted. Logistic regression analysis was used to identify determinants of self-sampling intentions...
February 10, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28185790/immune-regulation-of-antibody-access-to-neuronal-tissues
#9
REVIEW
Akiko Iwasaki
This review highlights recent advances in how the innate and adaptive immune systems control the blood-brain barrier (BBB) and the blood-nerve barrier (BNB). Interferons and TAM receptors play key roles in innate immune control of the BBB. Cells of the adaptive immune system, particularly CD4(+) T cells, take distinct routes to enter neural tissues and mediate immune surveillance. Furthermore, T cell-mediated opening of the BBB and the BNB is crucial to allow antibody access and thereby block the replication of neurotropic viruses...
February 6, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28174598/review-on-the-role-of-the-human-polyomavirus-jc-in-the-development-of-tumors
#10
REVIEW
Serena Delbue, Manola Comar, Pasquale Ferrante
Almost one fifth of human cancers worldwide are associated with infectious agents, either bacteria or viruses, and this makes the possible association between infections and tumors a relevant research issue. We focused our attention on the human Polyomavirus JC (JCPyV), that is a small, naked DNA virus, belonging to the Polyomaviridae family. It is the recognized etiological agent of the Progressive Multifocal Leukoencephalopathy (PML), a fatal demyelinating disease, occurring in immunosuppressed individuals...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28161317/a-characterization-of-cancer-patients-in-inpatient-rehabilitation-facilities-a-retrospective-cohort-study
#11
Jacqueline M Mix, Carl V Granger, Michael J LaMonte, Paulette Niewczyk, Margaret DiVita, Richard Goldstein, Jerome Yates, Jo L Freudenheim
OBJECTIVE: To identify the types of cancer patients admitted to inpatient medical rehabilitation and to describe their rehabilitation outcomes. DESIGN: Retrospective cohort study; SETTING: U.S. inpatient rehabilitation facilities (IRFs) PARTICIPANTS: Adult patients diagnosed with malignant cancer for a cancer related impairment admitted to an IRF between October 2010 and September 2012 were identified from the Uniform Data System for Medical Rehabilitation (UDSMR) database (n = 27,952)...
February 1, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28160777/curcumin-decreases-malignant-characteristics-of-glioblastoma-stem-cells-via-induction-of-reactive-oxygen-species
#12
Zachary C Gersey, Gregor A Rodriguez, Eric Barbarite, Anthony Sanchez, Winston M Walters, Kelechi C Ohaeto, Ricardo J Komotar, Regina M Graham
BACKGROUND: Glioblastoma Multiforme (GBM) is the most common and lethal form of primary brain tumor in adults. Following standard treatment of surgery, radiation and chemotherapy, patients are expected to survive 12-14 months. Theorized cause of disease recurrence in these patients is tumor cell repopulation through the proliferation of treatment-resistant cancer stem cells. Current research has revealed curcumin, the principal ingredient in turmeric, can modulate multiple signaling pathways important for cancer stem cell self-renewal and survival...
February 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28160360/using-cluster-analysis-of-anxiety-depression-to-identify-subgroups-of-prostate-cancer-patients-for-targeted-treatment-planning
#13
Christopher F Sharpley, Vicki Bitsika, Amelia K Warren, David R H Christie
OBJECTIVE: To explore any possible subgroupings of prostate cancer (PCa) patients based upon their combined anxiety-depression symptoms for the purposes of informing targeted treatments. METHODS: A sample of 119 prostate cancer patients completed the GAD7 (anxiety) and PHQ9 (depression), plus a background questionnaire, by mail survey. Data on the GAD7 and PHQ9 were used in a Cluster Analysis procedure to identify and define any cohesive subgroupings of patients within the sample...
February 3, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28152839/development-of-a-radiation-oncology-specific-prospective-data-registry-for-clinical-research-and-quality-improvement-a-clinical-workflow-based-solution
#14
Pin-Chieh Wang, Darlene Verittupong, Weber Shao, Susan Ann McCloskey, Vincent Basehart, Michael L Steinberg, Patrick Kupelian
: 197 Background: The computerized 'paperless' medical recording system has transformed the modern health information system and serves as an idea platform for cancer registry development, particularly in a specialty like radiation oncology, where technological advances generate unprecedented amounts of data. METHODS: From May 2011 to May 2015, physicians prospectively inputted data on patients seen during consultation in the Department of Radiation Oncology at UCLA...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28128443/potential-therapeutic-applications-of-adenosine-a2a-receptor-ligands-and-opportunities-for-a2a-receptor-imaging
#15
REVIEW
Aren van Waarde, Rudi A J O Dierckx, Xiaoyun Zhou, Shivashankar Khanapur, Hideo Tsukada, Kiichi Ishiwata, Gert Luurtsema, Erik F J de Vries, Philip H Elsinga
Adenosine A2A receptors (A2A Rs) are highly expressed in the human striatum, and at lower densities in the cerebral cortex, the hippocampus, and cells of the immune system. Antagonists of these receptors are potentially useful for the treatment of motor fluctuations, epilepsy, postischemic brain damage, or cognitive impairment, and for the control of an immune checkpoint during immunotherapy of cancer. A2A R agonists may suppress transplant rejection and graft-versus-host disease; be used to treat inflammatory disorders such as asthma, inflammatory bowel disease, and rheumatoid arthritis; be locally applied to promote wound healing and be employed in a strategy for transient opening of the blood-brain barrier (BBB) so that therapeutic drugs and monoclonal antibodies can enter the brain...
January 27, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28123722/systematic-analysis-of-the-achaete-scute-complex-like-gene-signature-in-clinical-cancer-patients
#16
Chih-Yang Wang, Payam Shahi, John Ting Wei Huang, Nam Nhut Phan, Zhengda Sun, Yen-Chang Lin, Ming-Derg Lai, Zena Werb
The achaete-scute complex-like (ASCL) family, also referred to as 'achaete-scute complex homolog' or 'achaete-scute family basic helix-loop-helix transcription factor', is critical for proper development of the nervous system and deregulation of ASCL plays a key role in psychiatric and neurological disorders. The ASCL family consists of five members, namely ASCL1, ASCL2, ASCL3, ASCL4 and ASCL5. The ASCL1 gene serves as a potential oncogene during lung cancer development. There is a correlation between increased ASCL2 expression and colon cancer development...
January 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28118455/trends-and-patterns-of-disparities-in-cancer-mortality-among-us-counties-1980-2014
#17
Ali H Mokdad, Laura Dwyer-Lindgren, Christina Fitzmaurice, Rebecca W Stubbs, Amelia Bertozzi-Villa, Chloe Morozoff, Raghid Charara, Christine Allen, Mohsen Naghavi, Christopher J L Murray
Introduction: Cancer is a leading cause of morbidity and mortality in the United States and results in a high economic burden. Objective: To estimate age-standardized mortality rates by US county from 29 cancers. Design and Setting: Deidentified death records from the National Center for Health Statistics (NCHS) and population counts from the Census Bureau, the NCHS, and the Human Mortality Database from 1980 to 2014 were used. Validated small area estimation models were used to estimate county-level mortality rates from 29 cancers: lip and oral cavity; nasopharynx; other pharynx; esophageal; stomach; colon and rectum; liver; gallbladder and biliary; pancreatic; larynx; tracheal, bronchus, and lung; malignant skin melanoma; nonmelanoma skin cancer; breast; cervical; uterine; ovarian; prostate; testicular; kidney; bladder; brain and nervous system; thyroid; mesothelioma; Hodgkin lymphoma; non-Hodgkin lymphoma; multiple myeloma; leukemia; and all other cancers combined...
24, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28114832/exhaustive-comfa-and-comsia-analyses-around-different-chemical-entities-a-ligand-based-study-exploring-the-affinity-and-selectivity-profiles-of-5-ht1a-ligands
#18
COMPARATIVE STUDY
Sara Guariento, Silvia Franchini, Michele Tonelli, Paola Fossa, Claudia Sorbi, Elena Cichero, Livio Brasili
The 5-hydroxytryptamine (5-HT1A) receptors represent an attractive target in drug discovery. In particular, 5-HT1A agonists and partial agonists are deeply investigated for their potential role in the treatment of anxiety, depression, ischaemic brain disorder and more recently, of pain. On the other hand, 5-HT1A antagonists have been revealed promising compounds in cognition disorders and, lately, in cancer. Thus, the discovery of 5HT1A ligands is nowadays an appealing research activity in medicinal chemistry...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28109958/optical-barcoding-for-single-clone-tracking-to-study-tumor-heterogeneity
#19
Malte Mohme, Cecile L Maire, Kristoffer Riecken, Svenja Zapf, Tim Aranyossy, Manfred Westphal, Katrin Lamszus, Boris Fehse
Intratumoral heterogeneity has been identified as one of the strongest drivers of treatment resistance and tumor recurrence. Therefore, investigating the complex clonal architecture of tumors over time has become a major challenge in cancer research. We developed a new fluorescent "optical barcoding" technique that allows fast tracking, identification, and quantification of live cell clones in vitro and in vivo using flow cytometry (FC). We optically barcoded two cell lines derived from malignant glioma, an exemplary heterogeneous brain tumor...
January 18, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28107674/mitochondrial-serine-hydroxymethyltransferase-2-is-a-potential-diagnostic-and-prognostic-biomarker-for-human-glioma
#20
Bo Wang, Wei Wang, ZhiZhong Zhu, XueBin Zhang, Fan Tang, Dong Wang, Xi Liu, XiaoLing Yan, Hao Zhuang
OBJECTIVE: Scholars have gradually come to appreciate the relevance of serine and glycine metabolism. Recently, researchers have discovered that mitochondrial serine hydroxymethyltransferase 2 (SHMT2) is overexpressed in various types of cancer. However, the function of SHMT2 in glioma is not clear. In this study, we sought to examine the expression of SHMT2 in glioma, the association between SHMT2 expression and clinicopathological characteristics, and the association of SHMT2 expression with prognosis in glioma patients...
January 16, 2017: Clinical Neurology and Neurosurgery
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