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https://www.readbyqxmd.com/read/28318170/-application-of-saliva-in-disease-diagnosis
#1
Cheng Xingqun, Zhou Xuedong, Xu Xin
Saliva is secreted by salivary glands and performs a variety of functions, including mouth cleaning and protection, antibacterial activity, and digestion. With the rapid progress in salivaomics, saliva became recognized as a potential pool of biological markers. Being a non-invasive and safe source, saliva is a potential substitute for blood in diagnosis and prognosis of diseases. This review summarizes the latest advancement in saliva-related studies and presents the potential value of saliva in early diagnosis of oral diseases, such as dental caries, periodontal disease, cancer, diabetes, and other systemic disorders...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317152/-68-ga-psma-pet-for-radiation-treatment-planning-in-prostate-cancer-recurrences-after-surgery-individualized-medicine-or-new-standard-in-salvage-treatment
#2
Gregor Habl, Katharina Sauter, Kilian Schiller, Sabrina Dewes, Tobias Maurer, Matthias Eiber, Stephanie E Combs
BACKGROUND: (68) Ga-PSMA-PET imaging is a novel promising diagnostic tool to locate early biochemical failure after radical prostatectomy (RP) in prostate cancer (PC) patients. Exact knowledge of the relapse location may result in changes of the therapy concept aside from changes to the TNM stage. To gain data for this approach, we evaluated PC patients receiving (68) Ga-PSMA-PET imaging before salvage radiotherapy (RT). METHODS AND MATERIALS: In this study, 100 patients with biochemical failure after RP± prior RT who underwent (68) Ga-PSMA PET/CT or PET/MRI were evaluated undergoing salvage RT in our department...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28314784/integrative-cancer-pharmacogenomics-to-infer-large-scale-drug-taxonomy
#3
Nehme El-Hachem, Deena M A Gendoo, Laleh Soltan Ghoraie, Zhaleh Safikhani, Petr Smirnov, Christina Chung, Kenan Deng, Alisa Fang, Erin Birkwood, Chantal Ho, Ruth Isserlin, Gary Bader, Anna Goldenberg, Benjamin Haibe-Kains
Identification of drug targets and mechanism of action (MoA) for new and uncharacterized anticancer drugs is important for optimization of treatment efficacy. Current MoA prediction largely relies on prior information including side effects, therapeutic indication, and chemo-informatics. Such information is not transferable or applicable for newly identified, previously uncharacterized small molecules. Therefore, a shift in the paradigm of MoA predictions is necessary towards development of unbiased approaches that can elucidate drug relationships and efficiently classify new compounds with basic input data...
March 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28299801/bi-allelic-alterations-in-dna-repair-genes-underpin-homologous-recombination-dna-repair-defects-in-breast-cancer
#4
Robert W Mutter, Nadeem Riaz, Charlotte K Y Ng, Rob Delsite, Salvatore Piscuoglio, Marcia Edelweiss, Luciano G Martelotto, Rita A Sakr, Tari A King, Dilip D Giri, Maria Drobnjak, Edi Brogi, Ranjit Bindra, Giana Bernheim, Raymond S Lim, Pedro Blecua, Alexis Desrichard, Dan Higginson, Russell Towers, Ruomu Jiang, William Lee, Britta Weigelt, Jorge S Reis-Filho, Simon N Powell
Homologous recombination (HR) DNA repair deficient (HRD) breast cancers have been shown to be sensitive to DNA repair targeted therapies. Burgeoning evidence suggests that sporadic breast cancers, lacking germline BRCA1/BRCA2 mutations, may also be HRD. We developed a functional ex vivo RAD51-based test to identify HRD primary breast cancers. An integrated approach examining methylation, gene expression and whole-exome sequencing was employed to ascertain the etiology of HRD. Functional HRD breast cancers displayed genomic features of lack of competent HR, including large-scale state transitions and specific mutational signatures...
March 15, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28299357/integrating-functional-genomics-to-accelerate-mechanistic-personalized-medicine
#5
Jeffrey W Tyner
The advent of deep sequencing technologies has resulted in the deciphering of tremendous amounts of genetic information. These data have led to major discoveries, and many anecdotes now exist of individual patients whose clinical outcomes have benefited from novel, genetically guided therapeutic strategies. However, the majority of genetic events in cancer are currently undrugged, leading to a biological gap between understanding of tumor genetic etiology and translation to improved clinical approaches. Functional screening has made tremendous strides in recent years with the development of new experimental approaches to studying ex vivo and in vivo drug sensitivity...
March 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28294568/systems-pharmacology-based-discovery-of-natural-products-for-precision-oncology-through-targeting-cancer-mutated-genes
#6
J Fang, C Cai, Q Wang, P Lin, Z Zhao, F Cheng
Massive cancer genomics data have facilitated the rapid revolution of a novel oncology drug discovery paradigm through targeting clinically relevant driver genes or mutations for the development of precision oncology. Natural products with polypharmacological profiles have been demonstrated as promising agents for the development of novel cancer therapies. In this study, we developed an integrated systems pharmacology framework that facilitated identifying potential natural products that target mutated genes across 15 cancer types or subtypes in the realm of precision medicine...
March 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28294555/promise-and-peril-in-nanomedicine-the-challenges-and-needs-for-integrated-systems-biology-approaches-to-define-health-risk
#7
REVIEW
Sabina Halappanavar, Ulla Vogel, Hakan Wallin, Carole L Yauk
In the 1966s visionary film 'Fantastic Voyage' a submarine crew was shrunk to 100 nm in size and injected into the body of an injured scientist to repair his damaged brain. The movie (written by Harry Kleiner; directed by Richard Fleischer; novel by Isaac Asimov) drew attention to the potential power of engineered nanoscale structures and devices to construct, monitor, control, treat, and repair individual cells. Even more interesting was the fact that the film elegantly noted that the structure had to be miniaturized to a size that is not detected by the body's immune surveillance system, and highlighted the many physiological barriers that are encountered on the submarine's long journey to the target...
March 15, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28287981/perpas-topology-based-single-sample-pathway-analysis-method
#8
Chengyu Liu, Rainer Lehtonen, Sampsa Hautaniemi
Identification of intracellular pathways that play key roles in cancer progression and drug resistance is a prerequisite for developing targeted cancer treatments. The era of personalized medicine calls for computational methods that can function with one sample or very small set of samples. Developing such methods is challenging because standard statistical approaches pose several limiting assumptions, such as number of samples, that prevent their application when n approaches to one. We have developed a novel pathway analysis method called Per- PAS to estimate pathway activity at a single sample level by integrating pathway topology and transcriptomics data...
March 8, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28286531/a-review-of-the-potential-of-phytochemicals-from-prunus-africana-hook-f-kalkman-stem-bark-for-chemoprevention-and-chemotherapy-of-prostate-cancer
#9
REVIEW
Richard Komakech, Youngmin Kang, Jun-Hwan Lee, Francis Omujal
Prostate cancer remains one of the major causes of death worldwide. In view of the limited treatment options for patients with prostate cancer, preventive and treatment approaches based on natural compounds can play an integral role in tackling this disease. Recent evidence supports the beneficial effects of plant-derived phytochemicals as chemopreventive and chemotherapeutic agents for various cancers, including prostate cancer. Prunus africana has been used for generations in African traditional medicine to treat prostate cancer...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28276747/proteogenomic-studies-on-cancer-drug-resistance-towards-biomarker-discovery-and-target-identification
#10
Shuyue Fu, Xiang Liu, Maochao Luo, Ke Xie, Edouard C Nice, Haiyuan Zhang, Canhua Huang
Chemoresistance is a major obstacle for current cancer treatment. Proteogenomics is a powerful multi-omics research field that uses customized protein sequence databases generated by genomic and transcriptomic information to identify novel genes (e.g. noncoding, mutation and fusion genes) from mass spectrometry-based proteomic data. By identifying aberrations that are differentially expressed between tumor and normal pairs, this approach can also be applied to validate protein variants in cancer, which may reveal the response to drug treatment...
March 6, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28273479/systems-biology-of-metabolism-a-driver-for-developing-personalized-and-precision-medicine
#11
REVIEW
Jens Nielsen
Systems biology uses mathematical models to analyze large datasets and simulate system behavior. It enables integrative analysis of different types of data and can thereby provide new insight into complex biological systems. Here will be discussed the challenges of using systems medicine for advancing the development of personalized and precision medicine to treat metabolic diseases like insulin resistance, obesity, NAFLD, NASH, and cancer. It will be illustrated how the concept of genome-scale metabolic models can be used for integrative analysis of big data with the objective of identifying novel biomarkers that are foundational for personalized and precision medicine...
March 7, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28272347/predictive-and-prognostic-molecular-biomarkers-for-response-to-neoadjuvant-chemoradiation-in-rectal-cancer
#12
REVIEW
Delphine Dayde, Ichidai Tanaka, Rekha Jain, Mei Chee Tai, Ayumu Taguchi
The standard of care in locally advanced rectal cancer is neoadjuvant chemoradiation (nCRT) followed by radical surgery. Response to nCRT varies among patients and pathological complete response is associated with better outcome. However, there is a lack of effective methods to select rectal cancer patients who would or would not have a benefit from nCRT. The utility of clinicopathological and radiological features are limited due to lack of adequate sensitivity and specificity. Molecular biomarkers have the potential to predict response to nCRT at an early time point, but none have currently reached the clinic...
March 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28270128/the-effect-of-referral-templates-on-out-patient-quality-of-care-in-a-hospital-setting-a-cluster-randomized-controlled-trial
#13
Henrik Wåhlberg, Per Christian Valle, Siri Malm, Øistein Hovde, Ann Ragnhild Broderstad
BACKGROUND: The assessment of quality of care is an integral part of modern medicine. The referral represents the handing over of care from the general practitioner to the specialist. This study aimed to assess whether an improved referral could lead to improved quality of care. METHODS: A cluster randomized trial with the general practitioner surgery as the clustering unit was performed. Fourteen surgeries in the area surrounding the University Hospital of North Norway Harstad were randomized stratified by town versus countryside location...
March 7, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28266149/iodne-an-integrated-optimization-method-for-identifying-the-deregulated-subnetwork-for-precision-medicine-in-cancer
#14
S Mounika Inavolu, J Renbarger, M Radovich, V Vasudevaraja, G H Kinnebrew, S Zhang, L Cheng
Subnetwork analysis can explore complex patterns of entire molecular pathways for the purpose of drug target identification. In this article, the gene expression profiles of a cohort of patients with breast cancer are integrated with protein-protein interaction (PPI) networks using, simultaneously, both edge scoring and node scoring. A novel optimization algorithm, integrated optimization method to identify deregulated subnetwork (IODNE), is developed to search for the optimal dysregulated subnetwork of the merged gene and protein network...
March 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28265850/a-general-description-for-chinese-medicine-in-treating-premature-ovarian-failure
#15
Jing Lin, Xue-Lian Li, Hui Song, Qian Li, Ming-Yan Wang, Xue-Min Qiu, Da-Jin Li, Ling Wang
Premature ovarian failure (POF) is a kind of gynecological disease that causes amenorrhea, infertility, menopause and urogenital symptoms. Currently hormone replacement therapy (HRT) is the most popular choice for women with POF to get rid of menopausal syndrome. However, as the popularization of Chinese herbs made Chinese medicine (CM) shine new lights, physicians are able to treat POF with both meno-herbs and integrated therapy. HRT has its own indications and contraindications. For example, unexplained vaginal bleeding, acute liver damage, liver dysfunction, vascular embolization, and breast cancer are all contraindications of HRT, and CM is taken by more physicians as an adjuvant therapy...
February 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28263318/spatiotemporal-genomic-architecture-informs-precision-oncology-in-glioblastoma
#16
Jin-Ku Lee, Jiguang Wang, Jason K Sa, Erik Ladewig, Hae-Ock Lee, In-Hee Lee, Hyun Ju Kang, Daniel S Rosenbloom, Pablo G Camara, Zhaoqi Liu, Patrick van Nieuwenhuizen, Sang Won Jung, Seung Won Choi, Junhyung Kim, Andrew Chen, Kyu-Tae Kim, Sang Shin, Yun Jee Seo, Jin-Mi Oh, Yong Jae Shin, Chul-Kee Park, Doo-Sik Kong, Ho Jun Seol, Andrew Blumberg, Jung-Il Lee, Antonio Iavarone, Woong-Yang Park, Raul Rabadan, Do-Hyun Nam
Precision medicine in cancer proposes that genomic characterization of tumors can inform personalized targeted therapies. However, this proposition is complicated by spatial and temporal heterogeneity. Here we study genomic and expression profiles across 127 multisector or longitudinal specimens from 52 individuals with glioblastoma (GBM). Using bulk and single-cell data, we find that samples from the same tumor mass share genomic and expression signatures, whereas geographically separated, multifocal tumors and/or long-term recurrent tumors are seeded from different clones...
March 6, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28261340/integrative-oncology-physician-consultations-at-a-comprehensive-cancer-center-analysis-of-demographic-clinical-and-patient-reported-outcomes
#17
Gabriel Lopez, Jennifer McQuade, Lorenzo Cohen, Jane T Williams, Amy R Spelman, Bryan Fellman, Yisheng Li, Eduardo Bruera, Richard T Lee
Background: Integrative oncology (IO) is a relatively new field that seeks to bring evidence-based, non-conventional approaches into conventional oncology care in a coordinated and safe manner. Though complementary and alternative medicine (CAM) are highly utilized by cancer patients, little is known about the characteristics of patients seeking IO consultation. Methods: Patients presenting for an outpatient IO consultation completed a CAM use questionnaire, Measure Yourself Concerns and Wellbeing (MYCaW), Edmonton Symptom Assessment Scale (ESAS), Quality of Life Short Form 12 (SF-12), and post-consultation satisfaction item...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28260522/medicinal-and-healthical-applications-of-tinospora-cordifolia-guduchi-a-miraculous-herb-countering-various-diseases-disorders-and-potentials-as-an-immune-booster
#18
Kuldeep Dhama Dhama, Swati Sachan, Rekha Khandia, Ashok Munjal, Hafiz M N Iqbal, Shyma K Latheef, Kumaragurubaran Karthik, Hari Abdul Samad, Ruchi Tiwari, Maryam Dadar
BACKGROUND: Plants have been known as an integral part of traditional medicine because of their phytoconstituents with their miraculous substances. Tinospora cordifolia (Guduchi/Giloy) is one such plant having pharmacological functions and medicinal values due to its several constituents such as terpenes, glycosides, alkaloids, steroids and flavonoids. Thus, it has been rightly mentioned in old texts as "Amrita". OBJECTIVE: The objective of the present review is to extend the current knowledge, importance and beneficial pharmacological applications of Guduchi in humans for safeguarding various health issues...
February 28, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28256649/hyaluronic-acid-functionalized-electrospun-plga-nanofibers-embedded-in-a-microfluidic-chip-for-cancer-cell-capture-and-culture
#19
Gangwei Xu, Yulong Tan, Tiegang Xu, Di Yin, Mengyuan Wang, Mingwu Shen, Xiaofeng Chen, Xiangyang Shi, Xiaoyue Zhu
Circulating tumor cells (CTCs) are important markers of metastatic cancer. The isolation and detection of CTCs from peripheral blood provides valuable information for cancer diagnosis and precision medicine. However, cost-efficient targeted separation of CTCs of different origins with clinically significant specificity and efficiency remains a major challenge. In this study, a facile approach was developed to fabricate a thin sheet of hyaluronic acid (HA)-functionalized PLGA nanofibrous membrane and integrate it into a microfluidic chamber...
March 3, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28250648/the-influence-of-pluronic-f68-and-f127-nanocarrier-on-physicochemical-properties-in-vitro-release-and-antiproliferative-activity-of-thymoquinone-drug
#20
Salwa Shaarani, Shahrul Sahul Hamid, Noor Haida Mohd Kaus
BACKGROUND: This study reports on hydrophobic drug thymoquinone (TQ), an active compound found in the volatile oil of Nigella sativa that exhibits anticancer activities. Nanoformulation of this drug could potentially increase its bioavailability to specific target cells. OBJECTIVE: The aim of this study was to formulate TQ into polymer micelle, Pluronic F127 (5.0 wt %) and Pluronic F68 (0.1 wt %), as a drug carrier to enhance its solubility and instability in aqueous media...
January 2017: Pharmacognosy Research
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