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https://www.readbyqxmd.com/read/28800028/current-status-and-future-direction-in-the-management-of-malignant-melanoma
#1
Patrick Gladfelter, Noureldien H E Darwish, Shaker A Mousa
The incidence of malignant melanoma is increasing rapidly on a global scale. Although some types of melanoma, for example primary cutaneous melanoma, can be managed by surgery, metastatic melanoma cannot and it has a high mortality rate. Both oncogene and immune-targeted strategies have shown marked efficacy in some patients, but their effect on overall survival is still variable. Therefore, newer therapeutic approaches are needed. Fortunately, new advances in molecular medicine have led to an understanding of an individual patient's cancer at the genomic level...
August 10, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28798911/tissue-engineering-approaches-in-the-design-of-healthy-and-pathological-in-vitro-tissue-models
#2
REVIEW
Silvia Caddeo, Monica Boffito, Susanna Sartori
In the tissue engineering (TE) paradigm, engineering and life sciences tools are combined to develop bioartificial substitutes for organs and tissues, which can in turn be applied in regenerative medicine, pharmaceutical, diagnostic, and basic research to elucidate fundamental aspects of cell functions in vivo or to identify mechanisms involved in aging processes and disease onset and progression. The complex three-dimensional (3D) microenvironment in which cells are organized in vivo allows the interaction between different cell types and between cells and the extracellular matrix, the composition of which varies as a function of the tissue, the degree of maturation, and health conditions...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28797806/towards-personalized-medicine-for-patients-with-autoimmune-diseases-opportunities-and-challenges
#3
REVIEW
Soheil Tavakolpour
There is generally no cure for autoimmune disorders, but the symptoms can be managed. Currently available drugs/treatments are more potent than those in the past decades. However, finding the right drug and right patients has remained a serious problem. We should revise our diagnosis criteria to more accurate ones. During the recent years, personalized medicine has attracted much attention. However, it needs to be well-explained for autoimmune diseases. Personalized medicine aims to find the most optimum drugs for a patient...
August 7, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28792742/sequential-release-of-proteins-from-structured-multishell-microcapsules
#4
Ulyana Shimanovich, Thomas C T Michaels, Erwin J de Genst, Dijana Matak-Vinkovic, Christopher M Dobson, Tuomas P J Knowles
In nature, a wide range of functional materials is based on proteins. Increasing attention is also turning to the use of proteins as artificial biomaterials in the form of films, gels, particles and fibrils that offer great potential for applications in areas ranging from molecular medicine to materials science. To date, however, most such applications have been limited to single component materials despite the fact that their natural analogues are composed of multiple types of proteins with a variety of functionalities that are co-assembled in a highly organized manner on the micron scale, a process which is currently challenging to achieve in the laboratory...
August 9, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28782493/big-data-and-genome-editing-technology-a-new-paradigm-of-cardiovascular-genomics
#5
Chayakrit Krittanawong, Tao Sun, Eyal Herzog
Cardiovascular diseases (CVDs) encompasse a range of conditions extending from congenital heart disease to acute coronary syndrome most of which are heterogenous in nature and some of them are multiple genetic loci. However, the pathogenesis of most CVDs remains incompletely understood. The advance in genome-editing technologies, an engineering process of DNA sequences at precise genomic locations, has enabled a new paradigm that human genome can be precisely modified to achieve a therapeutic effect. Genome-editing includes the correction of genetic variants that cause disease, the addition of therapeutic genes to specific sites in the genomic locations, and the removal of deleterious genes or genome sequences...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28781125/inside-job-methods-for-delivering-proteins-to-the-interior-of-mammalian-cells
#6
REVIEW
Virginia J Bruce, Brian R McNaughton
Currently, 7 of the top 10 selling drugs are biologics, and all of them are proteins. Their large size, structural complexity, and molecular diversity often results in surfaces capable of potent and selective recognition of receptors that challenge, or evade, traditional small molecules. However, most proteins do not penetrate the lipid bilayer exterior of mammalian cells. This severe limitation dramatically limits the number of disease-relevant receptors that proteins can target and modulate. Given the major role proteins play in modern medicine, and the magnitude of this limitation, it is unsurprising that an enormous amount of effort has been dedicated to overcoming this pesky impediment...
July 18, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28761742/implementing-precision-cancer-medicine-in-the-public-health-services-of-norway-the-diagnostic-infrastructure-and-a-cost-estimate
#7
Anne Hansen Ree, Hege G Russnes, Daniel Heinrich, Svein Dueland, Kjetil Boye, Vigdis Nygaard, Laxmi Silwal-Pandit, Olga Østrup, Eivind Hovig, Vegard Nygaard, Einar A Rødland, Sigve Nakken, Janne T Øien, Christin Johansen, Inger R Bergheim, Veronica Skarpeteig, Menaka Sathermugathevan, Torill Sauer, Marius Lund-Iversen, Klaus Beiske, Salah Nasser, Lars Julsrud, Claudius H Reisse, Espen A Ruud, Vivi Ann Flørenes, Kirsten T Hagene, Eline Aas, Hilde Lurås, Siv Johnsen-Soriano, Gry A Geitvik, Ole Christian Lingjærde, Anne-Lise Børresen-Dale, Gunhild M Mælandsmo, Kjersti Flatmark
OBJECTIVE: Through the conduct of an individual-based intervention study, the main purpose of this project was to build and evaluate the required infrastructure that may enable routine practice of precision cancer medicine in the public health services of Norway, including modelling of costs. METHODS: An eligible patient had end-stage metastatic disease from a solid tumour. Metastatic tissue was analysed by DNA sequencing, using a 50-gene panel and a study-generated pipeline for analysis of sequence data, supplemented with fluorescence in situ hybridisation to cover relevant biomarkers...
2017: ESMO Open
https://www.readbyqxmd.com/read/28758992/demystifying-traditional-herbal-medicine-with-modern-approach
#8
Fu-Shuang Li, Jing-Ke Weng
Plants have long been recognized for their therapeutic properties. For centuries, indigenous cultures around the world have used traditional herbal medicine to treat a myriad of maladies. By contrast, the rise of the modern pharmaceutical industry in the past century has been based on exploiting individual active compounds with precise modes of action. This surge has yielded highly effective drugs that are widely used in the clinic, including many plant natural products and analogues derived from these products, but has fallen short of delivering effective cures for complex human diseases with complicated causes, such as cancer, diabetes, autoimmune disorders and degenerative diseases...
July 31, 2017: Nature Plants
https://www.readbyqxmd.com/read/28758911/molecular-cloning-and-characterization-of-pnbhlh1-transcription-factor-in-panax-notoginseng
#9
Xiang Zhang, Feng Ge, Bing Deng, Taif Shah, Zhuangjia Huang, Diqiu Liu, Chaoyin Chen
Panax notoginseng has been extensively used as a traditional Chinese medicine. In the current study, molecular cloning and characterization of PnbHLH1 transcription factor were explored in Panax notoginseng. The full length of the PnbHLH1 gene obtained by splicing was 1430 bp, encoding 321 amino acids. Prokaryotic expression vector pET-28a-PnbHLH1 was constructed and transferred into the BL21 prokaryotic expression strain. An electrophoretic mobility shift assay of PnbHLH1 protein binding to E-box cis-acting elements verified that PnbHLH1 belonged to the bHLH class transcription factor which could interact with the promoter region of the E-box core sequence...
July 29, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28757583/chalcone-derivatives-promising-starting-points-for-drug-design
#10
REVIEW
Marcelo N Gomes, Eugene N Muratov, Maristela Pereira, Josana C Peixoto, Lucimar P Rosseto, Pedro V L Cravo, Carolina H Andrade, Bruno J Neves
Medicinal chemists continue to be fascinated by chalcone derivatives because of their simple chemistry, ease of hydrogen atom manipulation, straightforward synthesis, and a variety of promising biological activities. However, chalcones have still not garnered deserved attention, especially considering their high potential as chemical sources for designing and developing new effective drugs. In this review, we summarize current methodological developments towards the design and synthesis of new chalcone derivatives and state-of-the-art medicinal chemistry strategies (bioisosterism, molecular hybridization, and pro-drug design)...
July 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28745237/anethole-inhibits-the-proliferation-of-human-prostate-cancer-cells-via-induction-of-cell-cycle-arrest-and-apoptosis
#11
Ayman Ibrahim Elkady
BACKGROUND: Prostate cancer-associated mortality is increasing at an alarming rate, which highlights the inevitability for unearthing novel agent for the management of this disease. Anethole, a major constituent of Foeniculum vulgare (fennel) essential oil, is widely used in folk medicine; it possesses anti-oxidant, anti-inflammatory, anti-proliferative and tumoricidal potentialities. OBJECTIVE: The current research was conducted to assess the impact of anethole on prostate cancer cell line, PC-3, and to delineate the molecular mechanism of action...
July 25, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28744708/topics-of-nuclear-medicine-research-in-europe
#12
REVIEW
Masayuki Inubushi, Tomohiro Kaneta, Takayoshi Ishimori, Etsuko Imabayashi, Atsutaka Okizaki, Naohiko Oku
Last year in the European Journal of Nuclear Medicine and Molecular Imaging, we introduced some recent nuclear medicine research conducted in Japan. This was favorably received by European readers in the main. This year we wish to focus on the Annals of Nuclear Medicine on some of the fine nuclear medicine research work executed in Europe recently. In the current review article, we take up five topics: prostate-specific membrane antigen imaging, recent advances in radionuclide therapy, [(18)F]fluorodeoxyglucose positron-emission tomography (PET) for dementia, quantitative PET assessment of myocardial perfusion, and iodine-124 ((124)I)...
July 25, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28741242/the-weakening-effect-of-soluble-epoxide-hydrolase-inhibitor-auda-on-febrile-response-to-lipopolysaccharide-and-turpentine-in-rat
#13
Jakub Piotrowski, Tomasz Jędrzejewski, Małgorzata Pawlikowska, Agata Joanna Pacuła, Jacek Ścianowski, Wiesław Kozak
A still growing body of evidence suggests the importance of epoxyeicosatrienoic acids (EETs) in the regulation of inflammatory response; therefore, drugs that stabilize their levels by targeting the soluble epoxide hydrolase (sEH), an enzyme responsible for their metabolism, are currently under investigation. The effect of sEH inhibitors on molecular components of fever mechanism, i.e., on synthesis of pro-inflammatory cytokines or prostaglandins, has been repeatedly proven; however, the hypothesis that sEH inhibitors affect febrile response has never been tested...
July 24, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28736627/personalized-and-precision-medicine-integrating-genomics-into-treatment-decisions-in-gastrointestinal-malignancies
#14
REVIEW
Trang H Au, Kai Wang, David Stenehjem, Ignacio Garrido-Laguna
The advent of next generation sequencing (NGS) technologies has advanced our understanding of the intrinsic biology of different gastrointestinal (GI) tumor types. The use of novel, more efficient sequencing platforms has improved turnaround times of sequencing results. This is providing real time opportunities to put precision medicine to the test. A number of early phase clinical trials are testing targeted therapies in unique molecularly characterized subsets of patients (baskets). While basket studies are gaining momentum, treatment failures serve to remind us that shifting from a histology-driven to a histology-agnostic approach is unlikely to be a failure-free strategy for a number of tumor types as recently learnt from vemurafenib failure in BRAF mutated metastatic colorectal cancer (mCRC)...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736228/dbz-is-a-putative-ppar%C3%AE-agonist-that-prevents-high-fat-diet-induced-obesity-insulin-resistance-and-gut-dysbiosis
#15
Pengfei Xu, Fan Hong, Jialin Wang, Jing Wang, Xia Zhao, Sheng Wang, Tingting Xue, Jingwei Xu, Xiaohui Zheng, Yonggong Zhai
BACKGROUND: The nuclear receptor PPARγ is an effective pharmacological target for some types of metabolic syndrome, including obesity, diabetes, nonalcoholic fatty liver disease, and cardiovascular disease. However, the current PPARγ-targeting thiazolidinedione drugs have undesirable side effects. Danshensu Bingpian Zhi (DBZ), also known as tanshinol borneol ester derived from Salvia miltiorrhiza, is a synthetic derivative of natural compounds used in traditional Chinese medicine for its anti-inflammatory activity...
July 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28734944/triple-negative-breast-cancer-next-generation-sequencing-for-target-identification
#16
REVIEW
Jonathan D Marotti, Francine B de Abreu, Wendy A Wells, Gregory J Tsongalis
Our ability to now study disease at the most fundamental molecular level has led to a reclassification of human cancers into numerous subtypes that vary in disease progression and response to therapy. Like most solid tumors, breast cancer is a heterogeneous disease with considerable variation in histological and biological features. Triple negative breast cancer (TNBC) is a subtype of breast cancer in which estrogen receptor and progesterone receptor are not expressed, and human epidermal growth factor receptor 2 is not amplified or overexpressed...
July 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28730160/epigenetic-interactions-between-alcohol-and-cannabinergic-effects-focus-on-histone-modification-and-dna-methylation
#17
Tiyash Parira, Alejandra Laverde, Marisela Agudelo
Epigenetic studies have led to a more profound understanding of the mechanisms involved in chronic conditions. In the case of alcohol addiction, according to the National Institute on Alcohol Abuse and Alcoholism, 16 million adults suffer from Alcohol Use Disorders (AUDs). Even though therapeutic interventions like behavioral therapy and medications to prevent relapse are currently available, no robust cure exists, which stems from the lack of understanding the mechanisms of action of alcohol and the lack of development of precision medicine approaches to treat AUDs...
April 2017: Journal of Alcoholism and Drug Dependence
https://www.readbyqxmd.com/read/28729958/mutational-analysis-of-driver-genes-with-tumor-suppressive-and-oncogenic-roles-in-gastric-cancer
#18
Tianfang Wang, Yining Liu, Min Zhao
Gastric cancer (GC) is a complex disease with heterogeneous genetic mechanisms. Genomic mutational profiling of gastric cancer not only expands our knowledge about cancer progression at a fundamental genetic level, but also could provide guidance on new treatment decisions, currently based on tumor histology. The fact that precise medicine-based treatment is successful in a subset of tumors indicates the need for better identification of clinically related molecular tumor phenotypes, especially with regard to those driver mutations on tumor suppressor genes (TSGs) and oncogenes (ONGs)...
2017: PeerJ
https://www.readbyqxmd.com/read/28728997/sepsis-reconsidered-identifying-novel-metrics-for-behavioral-landscape-characterization-with-a-high-performance-computing-implementation-of-an-agent-based-model
#19
Chase Cockrell, Gary An
OBJECTIVES: Sepsis affects nearly 1 million people in the United States per year, has a mortality rate of 28-50% and requires more than $20 billion a year in hospital costs. Over a quarter century of research has not yielded a single reliable diagnostic test or a directed therapeutic agent for sepsis. Central to this insufficiency is the fact that sepsis remains a clinical/physiological diagnosis representing a multitude of molecularly heterogeneous pathological trajectories. Advances in computational capabilities offered by High Performance Computing (HPC) platforms call for an evolution in the investigation of sepsis to attempt to define the boundaries of traditional research (bench, clinical and computational) through the use of computational proxy models...
July 18, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28728539/editorial-dna-damage-as-a-strategy-for-anticancer-chemotherapy
#20
EDITORIAL
Maria Bozko, Andrzej Bozko, Tim Scholta, Nisar P Malek, Przemyslaw Bozko
Amongst all currently used drugs in the field of cancer therapy, the most prominent group of agents which induce DNA, damage both directly or indirectly. Intuitively DNA should not be a perfect target for relatively unspecific small molecular weight drugs. However, the current understanding is that not damage per se but cellular response to DNA damage induced by antitumor agents is responsible for their specific targeted effect towards cancer cells in comparison to the normal cells. DNA damaging chemotherapeutics include compounds with diferent activities namely: directly or indirectly induce DNA strand breaks, covalently modify DNA bases, change the chromatin structure and topology by inhibiting chromatin-modifying enzymes...
2017: Current Medicinal Chemistry
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