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Precision medicine

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https://www.readbyqxmd.com/read/29792967/validated-reverse-phase-hplc-diode-array-method-for-the-quantification-of-intact-bevacizumab-infliximab-and-trastuzumab-for-long-term-stability-study
#1
Antonio Martínez-Ortega, Agustín Herrera, Antonio Salmerón-García, José Cabeza, Luis Cuadros-Rodríguez, Natalia Navas
The aim of the present study was to develop suitable and reliable method for quantification three of the most worldwide used therapeutic monoclonal antibodies (mAbs) -bevazizumab (BVZ), infliximab (INF) and trastuzumab (TTZ)- to be used in long-term stability studies. Reverse phase (RP) was selected by its greater sensibility and reproducibility comparing with other chromatographic modes. Then a high performance liquid chromatography with diode array detection (RP)HPLC/DAD method was checked. Since the three mAbs represent the active ingredient in the medicines in which they are formulated, the selected method was validated for each one in accordance with the International Conference on Harmonization (ICH) guidelines for pharmaceuticals for human use...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792918/translational-omics-future-potential-and-current-challenges-in-precision-medicine
#2
Arsalan Wafi, Reza Mirnezami
Rapid advances in computational science and biotechnology are paving the way for precision medicine - a vision in next-generation healthcare that promises to provide a care package uniquely tailored to each individual's molecular make-up. Until relatively recently, the focus has been firmly centred around the genome; however, over the past two decades there has been a surge in the study of molecular activity within other biological domains (proteome/transcriptome/metabolome) involved in health and pathogenesis...
May 21, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29792873/effect-of-alzheimer-s-disease-risk-and-protective-factors-on-cognitive-trajectories-in-subjective-memory-complainers
#3
Stefan J Teipel, Enrica Cavedo, Simone Lista, Marie-Odile Habert, Marie-Claude Potier, Michel J Grothe, Stephane Epelbaum, Luisa Sambati, Geoffroy Gagliardi, Nicola Toschi, Michael Greicius, Bruno Dubois, Harald Hampel
INTRODUCTION: Cognitive change in people at risk of Alzheimer's disease (AD) such as subjective memory complainers is highly variable across individuals. METHODS: We used latent class growth modeling to identify distinct classes of nonlinear trajectories of cognitive change over 2 years follow-up from 265 subjective memory complainers individuals (age 70 years and older) of the INSIGHT-preAD cohort. We determined the effect of cortical amyloid load, hippocampus and basal forebrain volumes, and education on the cognitive trajectory classes...
May 21, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29792313/one-gene-many-endocrine-and-metabolic-syndromes-pten-opathies-and-precision-medicine
#4
Lamis Yehia, Charis Eng
An average of 10% of all cancers (range 1-40%) are caused by heritable mutations and over the years, have become powerful models for precision medicine practice. Furthermore, such cancer predisposition genes for seemingly rare syndromes have turned out to help explain mechanisms of sporadic carcinogenesis and often inform normal development. The tumor suppressor PTEN encodes a ubiquitously expressed phosphatase that counteracts the PI3K/AKT/mTOR cascade - one of the most critical growth-promoting signaling pathways...
May 23, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29792270/-biomarking-the-transition-from-genetic-risk-to-kidney-disease
#5
Etty Kruzel-Davila, Karl Skorecki
Only some individuals carrying the high-risk APOL1 genotype go on to develop kidney disease phenotypes. In this issue of Kidney International, Nadkarni and colleagues report the associations of several biomarkers with renal outcomes in individuals with high-risk APOL1 genotypes. In the era of precision medicine, these findings should translate into improved longitudinal risk assessment for this high-risk population and might also provide additional insights regarding sites and mechanisms of APOL1 nephropathy...
June 2018: Kidney International
https://www.readbyqxmd.com/read/29792268/toward-individual-glomerular-phenotyping-advent-of-precision-medicine-in-kidney-biopsies
#6
Kumar Sharma, Ljiljana Paša-Tolić
The road to precision medicine for nephrology is approaching quickly. In the present volume, the glomerular proteome has now been characterized at a single glomerulus level in mouse and human kidneys. Using the Single-Pot Solid-Phase-enhanced Sample Preparation (SP3) approach the authors demonstrated that LAMP1 is a key lysosomal protein that is increased in glomerular diseases and may play a pathogenic role.
June 2018: Kidney International
https://www.readbyqxmd.com/read/29791959/sarcopenia-beyond-muscle-atrophy-and-into-the-new-frontiers-of-opportunistic-imaging-precision-medicine-and-machine-learning
#7
Leon Lenchik, Robert D Boutin
As populations continue to age worldwide, the impact of sarcopenia on public health will continue to grow. The clinically relevant and increasingly common diagnosis of sarcopenia is at the confluence of three tectonic shifts in medicine: opportunistic imaging, precision medicine, and machine learning. This review focuses on the state-of-the-art imaging of sarcopenia and provides context for such imaging by discussing the epidemiology, pathophysiology, consequences, and future directions in the field of sarcopenia...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791243/amcp-partnership-forum-managing-care-in-the-wave-of-precision-medicine
#8
(no author information available yet)
Precision medicine, the customization of health care to an individual's genetic profile while accounting for biomarkers and lifestyle, has increasingly been adopted by health care stakeholders to guide the development of treatment options, improve treatment decision making, provide more patient-centered care, and better inform coverage and reimbursement decisions. Despite these benefits, key challenges prevent its broader use and adoption. On December 7-8, 2017, the Academy of Managed Care Pharmacy convened a group of stakeholders to discuss these challenges and provide recommendations to facilitate broader adoption and use of precision medicine across health care settings...
May 23, 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29790357/-control-editing-of-the-genome-within-reach-or-already-in-our-hands
#9
Radim Brdička, Radoslav Omelka
Although different genome editing tools have been around for decades, the recent emergence of cheap, quick, and accessible CRISPR/Cas9 technology has led to a revolution in this field. The technique has the potential to transform medicine from curative into preventive using a gene therapy. An application of genome editing has proven to be effective for both genetic and non-genetic (e.g. infectious) diseases. However, cancer and rare diseases treatment is at the forefront of interest. Concurrently, the legal and ethical frameworks should be discussed, especially as the technology moves towards a modification of the germ cells or embryos...
2018: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/29790107/the-role-of-pharmacogenomics-in-bipolar-disorder-moving-towards-precision-medicine
#10
REVIEW
Claudia Pisanu, Urs Heilbronner, Alessio Squassina
Bipolar disorder (BD) is a common and disabling psychiatric condition with a severe socioeconomic impact. BD is treated with mood stabilizers, among which lithium represents the first-line treatment. Lithium alone or in combination is effective in 60% of chronically treated patients, but response remains heterogenous and a large number of patients require a change in therapy after several weeks or months. Many studies have so far tried to identify molecular and genetic markers that could help us to predict response to mood stabilizers or the risk for adverse drug reactions...
May 22, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29789925/associations-of-polymorphisms-of-cyp2d6-and-cyp2c9-with-early-onset-severe-pre-eclampsia-and-response-to-labetalol-therapy
#11
Cheng-Juan Sun, Lin Li, Xue-Yan Li, Wei-Yuan Zhang, Xiao-Wei Liu
PURPOSE: Early onset preeclampsia (PPE) contributes to life-threatening maternal complications and fetal demise. Pharmacogenomics is a precision medicine, and metabolizing enzymes responsive to antihypertensive remains understudied. The aim of this study was to evaluate the associations of polymorphisms of cytochrome P450, family 2, subfamily D, polypeptide 6 (CYP2D6) and cytochrome P450, family 2, subfamily C, polypeptide 9 (CYP2C9) with PPE and the relationship among CYP2D6, CYP2C9 polymorphisms and response to labetalol therapy...
May 22, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29789665/existing-and-novel-biomarkers-for-precision-medicine-in-systemic-sclerosis
#12
REVIEW
Peter J Wermuth, Sonsoles Piera-Velazquez, Joel Rosenbloom, Sergio A Jimenez
The discovery and validation of biomarkers resulting from technological advances in the analysis of genomic, transcriptomic, lipidomic and metabolomic pathways involved in the pathogenesis of complex human diseases have led to the development of personalized and rationally designed approaches for the clinical management of such disorders. Although some of these approaches have been applied to systemic sclerosis (SSc), an unmet need remains for validated, non-invasive biomarkers to aid in the diagnosis of SSc, as well as in the assessment of disease progression and response to therapeutic interventions...
May 22, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29789638/human-carbonic-anhydrase-8-aav8-gene-therapy-inhibits-nerve-growth-factor-signaling-producing-prolonged-analgesia-and-anti-hyperalgesia-in-mice
#13
Gerald Z Zhuang, Udita Upadhyay, Xiaoying Tong, Yuan Kang, Diana M Erasso, Eugene S Fu, Konstantinos D Sarantopoulos, Eden R Martin, Tim Wiltshire, Luda Diatchenko, Shad B Smith, William Maixner, Roy C Levitt
Carbonic anhydrase-8 (Car8; murine gene symbol) is an allosteric inhibitor of inositol trisphosphate receptor-1 (ITPR1), which regulates neuronal intracellular calcium release. We previously reported that wild-type Car8 overexpression corrects the baseline allodynia and hyperalgesia associated with calcium dysregulation in the waddle (wdl) mouse due to a 19 bp deletion in exon 8 of the Car8 gene. In this report, we provide preliminary evidence that overexpression of the human wild-type ortholog of Car8 (CA8 WT ), but not the reported CA8 S100P loss-of-function mutation (CA8 MT ), inhibits nerve growth factor (NGF)-induced phosphorylation of ITPR1, TrkA (NGF high-affinity receptor), and ITPR1-mediated cytoplasmic free calcium release in vitro...
April 24, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29788276/proteomic-analysis-and-prediction-of-amino-acid-variations-that-influence-protein-posttranslational-modifications
#14
Shaoping Shi, Lina Wang, Man Cao, Guodong Chen, Jialin Yu
Accumulative studies have indicated that amino acid variations through changing the type of residues of the target sites or key flanking residues could directly or indirectly influence protein posttranslational modifications (PTMs) and bring about a detrimental effect on protein function. Computational mutation analysis can greatly narrow down the efforts on experimental work. To increase the utilization of current computational resources, we first provide an overview of computational prediction of amino acid variations that influence protein PTMs and their functional analysis...
May 17, 2018: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29787994/bioavailability-of-wilforlide-a-in-mice-and-its-concentration-determination-using-an-hplc-apci-ms-ms-method
#15
Zhijun Wang, Steven Yeung, Shang Chen, Yasmin Moatazedi, Moses S S Chow
Wilforlide A (WA), an active compound in Tripterygium wilfordii Hook F (TW) which is a traditional Chinese medicine for treatment of autoimmune diseases, is a quality control marker for TW product. At present, the bioavailability/pharmacokinetics of WA is not known. Such information is not only essential to evaluate the relevance of WA as a quality control maker, but also important for future clinical efficacy studies. Therefore, a high-performance liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometric method (HPLC-APCI-MS/MS) was developed and applied to a bioavailability/pharmacokinetic study of WA...
May 16, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29787417/human-leukocyte-antigen-mismatch-and-precision-medicine-in-transplantation
#16
Chris Wiebe, Peter Nickerson
PURPOSE OF REVIEW: Pretransplant and posttransplant alloimmune risk assessment needs to evolve towards a precision medicine model already used in other areas of medicine. Although this has not been possible with traditional risk factors available at the time of transplant, new methods of human leukocyte antigen (HLA) molecular mismatch have generated hope that alloimmune risk assessment may be precise enough for personalized treatment strategies. RECENT FINDINGS: This review describes the various HLA molecular mismatch methods and some of the recent publications for each method...
May 18, 2018: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/29786807/-pharmacotherapy-of-epilepsy
#17
Torbjörn Tomson, Olof Rask
Pharmacotherapy of epilepsy is usually initiated after two or more unprovoked seizures, a decision that should be made after assessment of the individual risk of further seizures. Antiepileptic drugs (AEDs) are selected based on documented efficacy for the type of seizures, the epilepsy and possible epilepsy syndrome of the patient, taking potential adverse effects and comorbidity into account. For many AEDs, the mechanisms of action are incompletely understood. More than half of patients with newly diagnosed epilepsy achieve sustained seizure freedom with their first or second drug trials...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786559/three-dimensional-bioprinting-of-stem-cell-derived-tissues-for-human-regenerative-medicine
#18
REVIEW
Gregor Skeldon, Baltasar Lucendo-Villarin, Wenmiao Shu
Stem cell technology in regenerative medicine has the potential to provide an unlimited supply of cells for drug testing, medical transplantation and academic research. In order to engineer a realistic tissue model using stem cells as an alternative to human tissue, it is essential to create artificial stem cell microenvironment or niches. Three-dimensional (3D) bioprinting is a promising tissue engineering field that offers new opportunities to precisely place stem cells within their niches layer-by-layer...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#19
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29785943/-roles-and-molecular-mechanisms-of-hypoxia-inducible-factors-in-renal-cell-carcinoma
#20
Jun Xia Zou, Ke Chen
Renal cancer is a common urologic malignancy. However, the therapeutic options for metastatic renal cancer patients are limited. Hypoxia (low oxygen) is a fundamental microenvironmental determinant of solid tumor pathophysiology. Recent data from molecular and clinical studies indicate that hypoxia-inducible factors (HIFs) play critical roles in the development and progress of renal cell carcinoma (RCC). The HIF transcription factor family is a type of heterodimeric transcription factor consisting of HIF-α and HIF-β subunits and can transcriptionally activate genes that mediate the hypoxic response...
May 20, 2018: Yi Chuan, Hereditas
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