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https://www.readbyqxmd.com/read/28807365/-the-breakthrough-of-personalized-medicine-new-hopes-and-new-challenges
#1
REVIEW
Ronan Flippot, Christophe Massard, Edouard Auclin, David Azria, Héloïse Bourien, Philippe Rochigneux, Antoine Schernberg, Loïc Verlingue, Lara Zafrani, Stéphane Vignot
The development of personalized medicine in oncology is based on biomarkers that help select populations for more efficient and less toxic therapies. The onset of molecular biology led to new paradigms in drug development, with efficacy data reported in early clinical trials and accelerated approvals. Multiple clinical trials, including SHIVA, SAFIR-01 and MOSCATO-01, have been developed to evaluate the interest of treatment decision-making based on tumor molecular profiling, with the ambition to replace historical clinical and pathological classifications...
August 11, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28712102/precision-medicine-in-metastatic-colorectal-cancer-relevant-carcinogenic-pathways-and-targets-part-2-approaches-beyond-first-line-therapy-and-novel-biologic-agents-under-investigation
#2
REVIEW
Benjamin A Weinberg, Marion L Hartley, Mohamed E Salem
A frequent quandary for oncologists is the selection of chemotherapy and biologic therapy for patients with metastatic colorectal cancer in second-line and higher treatment settings. While not approved by the US Food and Drug Administration (FDA) in the first-line setting, the vascular endothelial growth factor (VEGF)-targeting agents ziv-aflibercept and ramucirumab are appropriate treatment options in the second-line setting, as is continuation of first-line bevacizumab. Tumor RAS mutational status is helpful to determine which patients may benefit from epidermal growth factor receptor (EGFR)-directed therapies, and other novel biomarkers (BRAF, HER2, and mismatch repair deficiency) allow us to select patients who may benefit from biologic therapies that are FDA-approved for other malignancies...
July 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28696958/rock-climbing-related-bone-marrow-edema-of-the-hand-a-follow-up-study
#3
Christoph Lutter, Thomas Hochholzer, Thomas Bayer, Volker Schöffl
OBJECTIVE: Sport climbers strain passive and active anatomical structures of their hands and fingers to the maximum during training or competition. This study was designed to investigate bone marrow edema (BME) in rock climbing athletes. DESIGN: Systematic detection, treatment, and follow-up investigation of rock climbing athletes with BME of the hand. SETTING: Primary-level orthopedic surgery and sports medicine division of a large academic medical center...
July 6, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28662958/targeting-atr-in-cancer-medicine
#4
REVIEW
Raghav Sundar, Jessica Brown, Alvaro Ingles Russo, Timothy A Yap
DNA damage occurs continually through various intrinsic and extrinsic mechanisms such as ultraviolet radiation, smoking, reactive oxygen species, and errors during replication. The cellular DNA damage response (DDR) comprises signaling networks that regulate a spectrum of processes, including cell cycle progression, which enable DNA repair to occur. Ataxia telangiectasia mutated (ATM) and ataxia telangiectasia mutated and rad3-related (ATR) kinase are 2 key regulators of the DDR cell cycle checkpoints. ATR plays an essential role in the repair of replication-associated DNA damage, while ATM is activated by DNA double-strand breaks...
July 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28636269/commentary-on-r-d-trends-away-from-general-medicine-cardiovascular-drugs-can-the-fda-help-reverse-the-trend
#5
REVIEW
R J Meyer
In the latter part of the 20th century, drug development in cardiovascular diseases (CVDs) was a paragon of "modern" therapeutics, bringing about a substantial number of effective, well-tolerated agents targeting some of the most prevalent diseases of the Western world. These drugs were often examples of rational drug development targeting specific pathophysiologic pathways previously elucidated through basic research (e.g., targeting of the renin-angiotensin system or the cholesterol synthesis pathway). The widespread adoption of these ground-breaking medications in practice and into medical guidelines undoubtedly played a role in the fall of morbidity and mortality from CVD in the United States in recent decades...
August 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28633990/cellular-gauge-symmetry-and-the-li-organization-principle-a-mathematical-addendum-quantifying-energetic-dynamics-in-physical-and-biological-systems-through-a-simple-geometric-tool-and-geodetic-curves
#6
REVIEW
Alexander Yurkin, Arturo Tozzi, James F Peters, Pedro C Marijuán
The present Addendum complements the accompanying paper "Cellular Gauge Symmetry and the Li Organization Principle"; it illustrates a recently-developed geometrical physical model able to assess electronic movements and energetic paths in atomic shells. The model describes a multi-level system of circular, wavy and zigzag paths which can be projected onto a horizontal tape. This model ushers in a visual interpretation of the distribution of atomic electrons' energy levels and the corresponding quantum numbers through rather simple tools, such as compasses, rulers and straightforward calculations...
June 17, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28426908/clinically-useful-brain-imaging-for-neuropsychiatry-how-can-we-get-there
#7
REVIEW
Michael P Milham, R Cameron Craddock, Arno Klein
Despite decades of research, visions of transforming neuropsychiatry through the development of brain imaging-based "growth charts" or "lab tests" have remained out of reach. In recent years, there is renewed enthusiasm about the prospect of achieving clinically useful tools capable of aiding the diagnosis and management of neuropsychiatric disorders. The present work explores the basis for this enthusiasm. We assert that there is no single advance that currently has the potential to drive the field of clinical brain imaging forward...
July 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28402189/going-non-viral-the-sleeping-beauty-transposon-system-breaks-on-through-to-the-clinical-side
#8
REVIEW
Michael Hudecek, Zsuzsanna Izsvák, Sandra Johnen, Matthias Renner, Gabriele Thumann, Zoltán Ivics
Molecular medicine has entered a high-tech age that provides curative treatments of complex genetic diseases through genetically engineered cellular medicinal products. Their clinical implementation requires the ability to stably integrate genetic information through gene transfer vectors in a safe, effective and economically viable manner. The latest generation of Sleeping Beauty (SB) transposon vectors fulfills these requirements, and may overcome limitations associated with viral gene transfer vectors and transient non-viral gene delivery approaches that are prevalent in ongoing pre-clinical and translational research...
August 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28295846/the-enigmatic-oncogene-and-tumor-suppressor-like-properties-of-rad54b-insights-into-genome-instability-and-cancer
#9
REVIEW
Erin N McAndrew, Kirk J McManus
One of the major challenges to the cell is to ensure genome stability, which can be compromised through endogenous errors or exogenous DNA damaging agents, such as ionizing radiation or common chemotherapeutic agents. To maintain genome stability the cell has a multifaceted line of defense, including cell cycle checkpoints and DNA damage repair pathways. RAD54B is involved in many of these pathways and thus exhibits a role in maintaining and repairing genome stability following DNA damage. RAD54B is involved in cell cycle regulation after DNA damage and participates in homologous recombinational repair, which ensures the precise repair of the most deleterious DNA lesions, double-stranded breaks...
July 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28137220/multiwalled-carbon-nanotube-chitosan-scaffold-cytotoxic-apoptotic-and-necrotic-effects-on-chondrocyte-cell-lines
#10
Sibel Ilbasmis-Tamer, Hakan Çiftçi, Mustafa Tu Rk, Tuncer Degim, Uğur Tamer
BACKGROUND: Carbon nanotubes (CNTs) have been considered highly successful and proficient in terms of their mechanical, thermal and electrical functionalization and biocompatibility. In regards to their significant extent in bone regeneration, it has been determined that CNTs hold the capability to endure clinical applications through bone tissue engineering and orthopedic procedures. In the present study, we report on a composite preparation, involving the use of CNT-chitosan as scaffold for bone repair and regeneration...
January 26, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27966480/triphala-a-formulation-of-traditional-ayurvedic-medicine-shows-protective-effect-against-x-radiation-in-hela-cells
#11
Yuki Takauji, Kensuke Miki, Juma Mita, Mohammad Nazir Hossain, Masatake Yamauchi, Mitomu Kioi, Dai Ayusawa, Michihiko Fujii
Ayurveda is a holistic medical system of traditional medicine, and Triphala is one of the most popular formulations in Ayurveda. Triphala is composed of three kinds of herb, Terminalia chebula, Terminalia bellirica, and Emblica officinalis. Since Triphala is shown to exhibit a protective activity against ionizing radiation in mice, we investigated its activity in HeLa cells. We found that Triphala showed the protective effects against X-radiation and bleomycin, both of which generate DNA strand breaks, in HeLa cells...
December 2016: Journal of Biosciences
https://www.readbyqxmd.com/read/27879375/the-role-of-oxidative-stress-in-koenimbine-induced-dna-damage-and-heat-shock-protein-modulation-in-hepg2-cells
#12
Yahya Hasan Hobani
Murraya koenigii (L.) Spreng, is a significant herb of traditional Ayurvedic system of medicine. Koenimbine, a carbazole alkaloid isolated from this plant holds antiproliferative and apoptotic effects. The aim of this study was to assess koenimbine-induced DNA damage and to clarify the role of free radicals in cell death mechanisms, using HepG2 cells. Methods The level of cytotoxicity was assayed by MTT assay. To elucidate the role of glutathione (GSH), the intracellular GSH level was analyzed. The effect of koenimbine in the cell mitochondria was evaluated using mitochondrial membrane potential (MMP) changes...
November 21, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27793885/molecular-mechanisms-of-anti-metastatic-activity-of-curcumin
#13
REVIEW
Y I Deng, Elise Verron, Ramin Rohanizadeh
Cancer is the leading cause of death worldwide. Although cancer occurs as a localized disease, its morbidity and mortality rates remain high due to the ability of cancer cells to break-off from the primary tumor and spread to distant organs. Currently, chemotherapy is the main treatment for cancer; however, the increase in proportion of drug-resistant cancer cells and unpleasant side-effects of chemotherapy are still the major challenges in cancer therapy. Curcumin is a natural polyphenol compound and the main bioactive constituent of Indian spice turmeric, widely used in Indian and Chinese medicines...
November 2016: Anticancer Research
https://www.readbyqxmd.com/read/27781560/precision-medicine-in-genetic-epilepsies-break-of-dawn
#14
REVIEW
Philipp Sebastian Reif, Meng-Han Tsai, Ingo Helbig, Felix Rosenow, Karl Martin Klein
Therapy with current antiepileptic drugs aims at reducing the likelihood of seizure occurrence rather than influencing the underlying disease process. Therefore, antiepileptic drugs have an anticonvulsant rather than antiepileptic property. Areas covered: The increasing identification of genetic causes for epilepsy over the recent years improves the understanding of the underlying epileptogenic process and allows for the possibility of directed therapeutic approaches. An ideal antiepileptic therapy consists of a drug which is able to influence the functional changes caused by a specific pathogenic variant...
April 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/27779437/when-pain-is-medicine
#15
S Sindhu
Stripped of any sense of comfort or dignity on that hospital bed, my 84-year-old father, my best friend, was enduring raw, intrusive medical procedures against his own wish; defenseless, vulnerable, agonized. A feeding tube went in through his nose; catheter tubes drained urine out of his bladder; a suction pump drew out fluid from his airway. A needle jammed into the central line, making it impossible for him to turn his head. Dialysis took over the job of his kidneys. But no painkillers were given for fear his weak heart could not take more chemicals...
December 2016: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/27643977/duplex-real-time-pcr-assay-using-sybr-green-to-detect-and-quantify-malayan-box-turtle-cuora-amboinensis-materials-in-meatballs-burgers-frankfurters-and-traditional-chinese-herbal-jelly-powder
#16
Asing, Eaqub Ali, Sharifah Bee Abd Hamid, Motalib Hossain, Mohammad Nasir Uddin Ahamad, S M Azad Hossain, Nina Naquiah, I S M Zaidul
The Malayan box turtle (Cuora amboinensis) (MBT) is a vulnerable and protected species widely used in exotic foods and traditional medicines. Currently available polymerase chain reaction (PCR) assays to identify MBT lack automation and involve long targets which break down in processed or denatured tissue. This SYBR Green duplex real-time PCR assay has addressed this research gap for the first time through the combination of 120- and 141-bp targets from MBT and eukaryotes for the quantitative detection of MBT DNA in food chain and herbal medicinal preparations...
November 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27642271/metabolomics-enables-precision-medicine-a-white-paper-community-perspective
#17
Richard D Beger, Warwick Dunn, Michael A Schmidt, Steven S Gross, Jennifer A Kirwan, Marta Cascante, Lorraine Brennan, David S Wishart, Matej Oresic, Thomas Hankemeier, David I Broadhurst, Andrew N Lane, Karsten Suhre, Gabi Kastenmüller, Susan J Sumner, Ines Thiele, Oliver Fiehn, Rima Kaddurah-Daouk
INTRODUCTION BACKGROUND TO METABOLOMICS: Metabolomics is the comprehensive study of the metabolome, the repertoire of biochemicals (or small molecules) present in cells, tissues, and body fluids. The study of metabolism at the global or "-omics" level is a rapidly growing field that has the potential to have a profound impact upon medical practice. At the center of metabolomics, is the concept that a person's metabolic state provides a close representation of that individual's overall health status...
2016: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/27536285/veterinary-medicine-needs-new-green-antimicrobial-drugs
#18
REVIEW
Pierre-Louis Toutain, Aude A Ferran, Alain Bousquet-Melou, Ludovic Pelligand, Peter Lees
Given that: (1) the worldwide consumption of antimicrobial drugs (AMDs) used in food-producing animals will increase over the coming decades; (2) the prudent use of AMDs will not suffice to stem the rise in human antimicrobial resistance (AMR) of animal origin; (3) alternatives to AMD use are not available or not implementable, there is an urgent need to develop novel AMDs for food-producing animals. This is not for animal health reasons, but to break the link between human and animal resistomes. In this review we establish the feasibility of developing for veterinary medicine new AMDs, termed "green antibiotics," having minimal ecological impact on the animal commensal and environmental microbiomes...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27525019/chinese-herbal-mixture-tien-hsien-liquid-induces-g2-m-cycle-arrest-and-radiosensitivity-in-mcf-7-human-breast-cancer-cells-through-mechanisms-involving-dnmt1-and-rad51-downregulation
#19
Chih-Jung Yao, Jyh-Ming Chow, Chia-Ming Yang, Hui-Ching Kuo, Chia-Lun Chang, Hsin-Lun Lee, I-Chun Lai, Shuang-En Chuang, Gi-Ming Lai
The Chinese herbal mixture, Tien-Hsien Liquid (THL), has been proven to suppress the growth and invasiveness of cancer cells and is currently regarded as a complementary medicine for the treatment of cancer. Our previous study using acute promyelocytic leukemia cells uncovered its effect on the downregulation of DNA methyltransferase 1 (DNMT1) which is often overexpressed in cancer cells resulting in the repression of tumor suppressors via hypermethylation. Herein, we explored the effects of THL in MCF-7 breast cancer cells that also demonstrate elevated DNMT1...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27497456/innovative-patient-centered-skills-training-addressing-challenging-issues-in-cancer-communications-using-patient-s-stories-that-teach
#20
Thomas W Bishop, James Gorniewicz, Michael Floyd, Fred Tudiver, Amy Odom, Kathy Zoppi
This workshop demonstrated the utility of a patient-centered web-based/digital Breaking Bad News communication training module designed to educate learners of various levels and disciplines. This training module is designed for independent, self-directed learning as well as group instruction. These interactive educational interventions are based upon video-recorded patient stories. Curriculum development was the result of an interdisciplinary, collaborative effort involving faculty from the East Tennessee State University (ETSU) Graduate Storytelling Program and the departments of Family and Internal Medicine at the James H...
May 2016: International Journal of Psychiatry in Medicine
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