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https://www.readbyqxmd.com/read/28926426/epigenetics-and-precision-oncology
#1
Rachael J Werner, Andrew D Kelly, Jean-Pierre J Issa
Epigenetic alterations such as DNA methylation defects and aberrant covalent histone modifications occur within all cancers and are selected for throughout the natural history of tumor formation, with changes being detectable in early onset, progression, and ultimately recurrence and metastasis. The ascertainment and use of these marks to identify at-risk patient populations, refine diagnostic criteria, and provide prognostic and predictive factors to guide treatment decisions are of growing clinical relevance...
September 2017: Cancer Journal
https://www.readbyqxmd.com/read/28926247/beyond-the-rule-of-5-lessons-learned-from-abbvie-s-drugs-and-compound-collection
#2
David A DeGoey, Hui-Ju Chen, Philip B Cox, Michael D Wendt
Recently, there has been an increasing focus on the pursuit of targets considered to be less-druggable that offer potential for development of promising new therapeutic agents for the treatment of diseases with large unmet medical need, particularly in the areas of oncology and virology. However, conducting drug discovery campaigns in "beyond Rule of 5" (bRo5) chemical space presents a significant drug design and development challenge to medicinal chemists to achieve acceptable oral pharmacokinetics. Retrospective analysis of past successes and failures in drug discovery bRo5 may shed light on the key principles that contribute to the oral bioavailability of successful bRo5 compounds and improve the efficiency of drug design for future projects...
September 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28926225/bridging-bio-nano-science-and-cancer-nanomedicine
#3
Mattias Björnmalm, Kristofer J Thurecht, Michael Michael, Andrew M Scott, Frank Caruso
The interface of bio-nano science and cancer medicine is an area experiencing much progress but also beset with controversy. Core concepts of the field-e.g., the enhanced permeability and retention (EPR) effect, tumor targeting and accumulation, and even the purpose of "nano" in cancer medicine-are hotly debated. In parallel, considerable advances in neighboring fields are occurring rapidly, including the recent progress of "immuno-oncology" and the fundamental impact it is having on our understanding and the clinical treatment of the group of diseases collectively known as cancer...
September 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28925941/cold-atmospheric-plasma-in-the-treatment-of-osteosarcoma
#4
REVIEW
Denis Gümbel, Sander Bekeschus, Nadine Gelbrich, Matthias Napp, Axel Ekkernkamp, Axel Kramer, Matthias B Stope
Human osteosarcoma (OS) is the most common primary malignant bone tumor occurring most commonly in adolescents and young adults. Major improvements in disease-free survival have been achieved by implementing a combination therapy consisting of radical surgical resection of the tumor and systemic multi-agent chemotherapy. However, long-term survival remains poor, so novel targeted therapies to improve outcomes for patients with osteosarcoma remains an area of active research. This includes immunotherapy, photodynamic therapy, or treatment with nanoparticles...
September 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28925892/natural-active-compounds-from-plant-food-and-chinese-herbal-medicine-for-nonalcoholic-fatty-liver-disease
#5
Qian Liu, Lixin Zhu, Chen Cheng, Yiyang Hu, Qin Feng
Nonalcoholic fatty liver disease (NAFLD) has become more prevalent worldwide. It is often associated with some metabolic diseases, such as obesity, type 2 diabetes, and metabolic syndrome. With increasing focus on the treatment of fatty liver, much attention has been paid to numerous medicinal herbs and dietary substances to provide a new strategy for NAFLD treatment. The natural active compounds from the herbs or diet have been studied as promising treatments for NAFLD. This study aimed to summarize the use and mechanism of action of natural active compounds in the treatment of NAFLD in the recent 10 years...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28925273/-current-trends-in-gamete-donation-psychosocial-and-ethical-issues
#6
T Rumpíková, I Oborná, H Konečná
OBJECTIVE: To overview contemporary knowledge of legal and psychosocial rules in gamete donation. Previously, anonymous donation was preferred and recommended by experts but currently, with respect to the right to know the genetic origin of individuals, the relation to donor anonymity was reconsidered in many countries. There is a growing tendency to introduce the open identity system in gamete donation. Such system may guarantee that the child born after gamete donation may have receive the identification data of the donor of gametes...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28925156/-plant-metabolomics-approach-for-age-discrimination-of-mountain-cultivated-ginseng-using-uplc-q-tof-ms
#7
Xiang-Wei Chang, Bo-Ran Wang, Tong Wang, De-Kun Li, Ying Zhao, Yu-Ling Zhang, Da-Zheng Zhou, Zheng-Liang Ye
Growth year is one of the important factors for the quality of mountain cultivated ginseng (MCG). For age differentiation of MCG, rhizome extracts of ginseng aged from 11 to 15 years were analyzed using a non-targeted approach with ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF/MS)-based on plant metabolomics technique. Multivariate statistical methods such as principal component analysis (PCA) and orthogonal partial least squared discrimination analysis (OPLS-DA) were used to compare the derived patterns among the samples...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28925140/-near-infrared-spectroscopy-based-process-trajectory-technology-and-its-application-in-monitoring-and-controlling-of-traditional-chinese-medicine-manufacturing-process
#8
Wen-Long Li, Hai-Bin Qu
In this paper, the principle of NIRS (near infrared spectroscopy)-based process trajectory technology was introduced.The main steps of the technique include:① in-line collection of the processes spectra of different technics; ② unfolding of the 3-D process spectra;③ determination of the process trajectories and their normal limits;④ monitoring of the new batches with the established MSPC (multivariate statistical process control) models.Applications of the technology in the chemical and biological medicines were reviewed briefly...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28924686/psychosocial-impact-of-personalized-therapies-in-oncology
#9
Georgia Schilling, Frank Schulz-Kindermann
Personalized medicine is a keyword in modern oncology summarizing biomarker-driven targeted therapies. Those novel agents enhance our therapeutic portfolio and offer new options for our patients. But the term is often misleading and implicates a tailored therapy to the individual person, but it rather means a treatment stratified on genetic characteristics of the tumor. Molecular therapies raise expectations of curability or long-term treatments making former life-threatening diseases to more chronic ones but this is true only for some patients...
2018: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/28924678/gender-opportunities-in-psychosocial-oncology
#10
Matthew Loscalzo, Karen Clark
So much has happened since the original publication of this chapter. In some ways, the progress made in appreciating the full spectrum of sexual and gender expression has been uneven and in some nations, there has been serious regression and resulting repression. But overall, especially in the industrialized countries, there is much greater awareness of sex and gender and its importance in health and well being. In this updated chapter, we put sex and gender into a historical context that is relevant to psycho-oncology and that openly accepts that society overall, is highly conflicted when it comes to how women and men get the best out of each other, never mind how to best integrate lesbian, gay, bisexual, and transgender (LGBT) communities...
2018: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/28924187/the-ipsych2012-case-cohort-sample-new-directions-for-unravelling-genetic-and-environmental-architectures-of-severe-mental-disorders
#11
C B Pedersen, J Bybjerg-Grauholm, M G Pedersen, J Grove, E Agerbo, M Bækvad-Hansen, J B Poulsen, C S Hansen, J J McGrath, T D Als, J I Goldstein, B M Neale, M J Daly, D M Hougaard, O Mors, M Nordentoft, A D Børglum, T Werge, P B Mortensen
The Integrative Psychiatric Research (iPSYCH) consortium has established a large Danish population-based Case-Cohort sample (iPSYCH2012) aimed at unravelling the genetic and environmental architecture of severe mental disorders. The iPSYCH2012 sample is nested within the entire Danish population born between 1981 and 2005, including 1 472 762 persons. This paper introduces the iPSYCH2012 sample and outlines key future research directions. Cases were identified as persons with schizophrenia (N=3540), autism (N=16 146), attention-deficit/hyperactivity disorder (N=18 726) and affective disorder (N=26 380), of which 1928 had bipolar affective disorder...
September 19, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28923936/isolation-of-exosomes-from-whole-blood-by-integrating-acoustics-and-microfluidics
#12
Mengxi Wu, Yingshi Ouyang, Zeyu Wang, Rui Zhang, Po-Hsun Huang, Chuyi Chen, Hui Li, Peng Li, David Quinn, Ming Dao, Subra Suresh, Yoel Sadovsky, Tony Jun Huang
Exosomes are nanoscale extracellular vesicles that play an important role in many biological processes, including intercellular communications, antigen presentation, and the transport of proteins, RNA, and other molecules. Recently there has been significant interest in exosome-related fundamental research, seeking new exosome-based biomarkers for health monitoring and disease diagnoses. Here, we report a separation method based on acoustofluidics (i.e., the integration of acoustics and microfluidics) to isolate exosomes directly from whole blood in a label-free and contact-free manner...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28923807/the-american-board-of-family-medicine-new-tools-to-assist-program-directors-and-graduates-achieve-success
#13
Stanley M Kozakowski, Perry A Pugno
In this commentary we review the improvements in the pass rates for first-time American Board of Family Medicine (ABFM) Certification Examination test takers in the context of new tools and resources for program directors against the backdrop of a changing accreditation system and increased competition for a relatively fixed number of graduate medical education positions in family medicine. While causality cannot be established between the strategic initiatives of the ABFM and higher pass rates, we can all celebrate the new tools and resources provided to residents and program directors, and the improved performance of family medicine graduates on the certification examination...
September 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28923776/prostate-cancer-xenografts-and-hormone-induced-prostate-carcinogenesis
#14
REVIEW
Dalton T McLean, Douglas W Strand, William A Ricke
Despite the advancement of transgenic and gene knockout animal models in the prostate cancer research, there is still a need for utilizing xenograft models. Xenografts can be grown in multiple sites/organs within immunocompromised animals such as mice and rats. Although prostate xenografts have been derived from many species, human cells and tissues are the most commonly used due to their potential clinical significance. Xenograft models that progress from one state or stage to another are commonly used to address important scientific questions including malignant transformation, metastatic spread, and castration resistance...
September 8, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/28923369/rapid-identification-and-validation-of-novel-targeted-approaches-for-glioblastoma-a-combined-ex-vivo-in-vivo-pharmaco-omic-model
#15
REVIEW
Ahmad Daher, John de Groot
Tumor heterogeneity is a major factor in glioblastoma's poor response to therapy and seemingly inevitable recurrence. Only two glioblastoma drugs have received Food and Drug Administration approval since 1998, highlighting the urgent need for new therapies. Profiling "omics" analyses have helped characterize glioblastoma molecularly and have thus identified multiple molecular targets for precision medicine. These molecular targets have influenced clinical trial design; many "actionable" mutation-focused trials are underway, but because they have not yet led to therapeutic breakthroughs, new strategies for treating glioblastoma, especially those with a pharmacological functional component, remain in high demand...
September 15, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28923355/in-vitro-anticancer-activity-of-new-gold-iii-porphyrin-complexes-in-colon-cancer-cells
#16
Fatima Dandash, David Yannick Léger, Chloë Fidanzi-Dugas, Soumaya Nasri, Frédérique Brégier, Robert Granet, Walid Karam, Mona Diab-Assaf, Vincent Sol, Bertrand Liagre
Colorectal cancer (CRC) is the third most common cancer diagnosed worldwide. The limitations of cisplatin-based chemotherapy have prompted intense interest among scientists to search for alternative metal-based anticancer medicines. Gold(III) complexes have been among the most widely investigated since they showed higher cytotoxicity than cisplatin and promising in vitro and in vivo anticancer activities in CRC but their clinical usefulness has been limited by their poor stability under physiological conditions...
September 6, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28923180/menopause-in-latin-america-symptoms-attitudes-treatments-and-future-directions-in-costa-rica
#17
REVIEW
T D Locklear, B J Doyle, A L Perez, S M Wicks, G B Mahady
Similar to their US counterparts, Costa Rican women enter menopause at ∼50 years of age, have similar symptoms, including hot flashes and night sweats, as well as an overall negative attitude toward the menopausal transition. One study of rural women in Monteverde reported that women knew little about the menopausal transition, as the subject was not discussed. Similar to other Latin American women, the use of hormone therapy by Costa Rican women is low and instead they use alternative therapies, including massage, dietary changes and herbal medicines...
October 2017: Maturitas
https://www.readbyqxmd.com/read/28923067/a-new-insight-into-male-fertility-preservation-for-patients-with-completely-immotile-spermatozoa
#18
Huanhua Chen, Guixue Feng, Bo Zhang, Hong Zhou, Caizhu Wang, Jinhui Shu, Xianyou Gan, Ruoyun Lin, Dongmei Huang, Yingqin Huang
BACKGROUND: Sperm cryopreservation is the most effective method to preserve male fertility but this is normally used for motile spermatozoa. Thus, only motile spermatozoa are used for cryopreservation in most reproductive medicine centers worldwide. The immotile spermatozoa from some problematic patients are usually discarded, resulting in a missed opportunity of sterility cryopreservation for future assisted reproductive treatments. Many studies have shown that successful fertilization can be obtained after selection of viable sperm from the completely immotile spermatozoa before ICSI...
September 18, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28923040/systematic-review-a-review-of-adolescent-behavior-change-interventions-bci-and-their-effectiveness-in-hiv-and-aids-prevention-in-sub-saharan-africa
#19
M Mwale, A S Muula
BACKGROUND: Despite sub-Saharan Africa [SSA] constituting just 12% of the world's population, the region has the highest burden of HIV with 70% of HIV infection in general and 80% of new infections among young people occuring in the region. Diverse intervention programmes have been implemented among young people but with minimal translation to behavior change. A systematic review of Behavior Change Interventions [BCI] targeting adolescents in SSA was therefore conducted with the objective of delineating this intervention vis-a-vis efficacy gap...
September 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28922704/direct-acting-antivirals-for-chronic-hepatitis-c
#20
REVIEW
Janus C Jakobsen, Emil Eik Nielsen, Joshua Feinberg, Kiran Kumar Katakam, Kristina Fobian, Goran Hauser, Goran Poropat, Snezana Djurisic, Karl Heinz Weiss, Milica Bjelakovic, Goran Bjelakovic, Sarah Louise Klingenberg, Jian Ping Liu, Dimitrinka Nikolova, Ronald L Koretz, Christian Gluud
BACKGROUND: Millions of people worldwide suffer from hepatitis C, which can lead to severe liver disease, liver cancer, and death. Direct-acting antivirals (DAAs), e.g. sofosbuvir, are relatively new and expensive interventions for chronic hepatitis C, and preliminary results suggest that DAAs may eradicate hepatitis C virus (HCV) from the blood (sustained virological response). Sustained virological response (SVR) is used by investigators and regulatory agencies as a surrogate outcome for morbidity and mortality, based solely on observational evidence...
September 18, 2017: Cochrane Database of Systematic Reviews
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