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https://www.readbyqxmd.com/read/28335502/catechins-and-their-therapeutic-benefits-to-inflammatory-bowel-disease
#1
REVIEW
Fei-Yan Fan, Li-Xuan Sang, Min Jiang
Catechins are natural polyphenolic phytochemicals that exist in food and medicinal plants, such as tea, legume and rubiaceae. An increasing number of studies have associated the intake of catechins-rich foods with the prevention and treatment of chronic diseases in humans, such as inflammatory bowel disease (IBD). Some studies have demonstrated that catechins could significantly inhibit the excessive oxidative stress through direct or indirect antioxidant effects and promote the activation of the antioxidative substances such as glutathione peroxidases (GPO) and glutathione (GSH), reducing the oxidative damages to the colon...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335186/ex-vivo-tissues-engineering-modeling-for-reconstructive-surgery-using-human-adult-adipose-stem-cells-and-polymeric-nanostructured-matrix
#2
Francesco Morena, Chiara Argentati, Eleonora Calzoni, Marino Cordellini, Carla Emiliani, Francesco D'Angelo, Sabata Martino
The major challenge for stem cell translation regenerative medicine is the regeneration of damaged tissues by creating biological substitutes capable of recapitulating the missing function in the recipient host. Therefore, the current paradigm of tissue engineering strategies is the combination of a selected stem cell type, based on their capability to differentiate toward committed cell lineages, and a biomaterial, that, due to own characteristics (e.g., chemical, electric, mechanical property, nano-topography, and nanostructured molecular components), could serve as active scaffold to generate a bio-hybrid tissue/organ...
March 31, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28322279/pluripotent-stem-cells-in-neuropsychiatric-disorders
#3
REVIEW
M A Soliman, F Aboharb, N Zeltner, L Studer
Neuropsychiatric disorders place an enormous medical burden on patients across all social and economic ranks. The current understanding of the molecular and cellular causes of neuropsychiatric disease remains limited, which leads to a lack of targeted therapies. Human-induced pluripotent stem cell (iPSC) technology offers a novel platform for modeling the genetic contribution to mental disorders and yields access to patient-specific cells for drug discovery and personalized medicine. Here, we review recent progress in using iPSC technology to model and potentially treat neuropsychiatric disorders by focusing on the most prevalent conditions in psychiatry, including depression, anxiety disorders, bipolar disorder and schizophrenia...
March 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28319221/fluorescent-chemical-probes-for-accurate-tumor-diagnosis-and-targeting-therapy
#4
REVIEW
Min Gao, Fabiao Yu, Changjun Lv, Jaebum Choo, Lingxin Chen
Surgical resection of solid tumors is currently the gold standard and preferred therapeutic strategy for cancer. Chemotherapy drugs also make a significant contribution by inhibiting the rapid growth of tumor cells and these two approaches are often combined to enhance treatment efficacy. However, surgery and chemotherapy inevitably lead to severe side effects and high systemic toxicity, which in turn results in poor prognosis. Precision medicine has promoted the development of treatment modalities that are developed to specifically target and kill tumor cells...
March 20, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28318351/retinoids-a-journey-from-the-molecular-structures-and-mechanisms-of-action-to-clinical-uses-in-dermatology-and-adverse-effects
#5
Samar Khalil, Tara Bardawil, Carla Stephan, Nadine Darwiche, Ossama Abbas, Abdul Ghani Kibbi, Georges Nemer, Mazen Kurban
Retinoids are a class of compounds derived from vitamin A or have structural and/or functional similarity with vitamin A. They are classified into three generations based on their molecular structures. Inside the body, retinoids bind to several classes of proteins including retinoid-binding proteins and retinoid nuclear receptors. This eventually leads to the activation of specific regulatory regions of DNA - called the retinoic acid response elements - involved in regulating cell growth, differentiation and apoptosis...
March 20, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28315694/incorporation-of-autopsy-case-based-learning-into-phd-graduate-education-a-novel-approach-to-bridging-the-bench-to-bedside-gap
#6
Erin G Brooks, Joanne M Thornton, Erik A Ranheim, Zsuzsanna Fabry
Given the current rapid expansion of biological knowledge and the challenges of translating that knowledge into clinical practice, finding effective methods of teaching graduate students clinical medicine concepts has become even more critical. The utility of autopsy in medical student and resident education has been well-established. Multiple studies have reported it to be a helpful means of teaching anatomy, pathophysiology, clinical problem-solving skills, and medical diagnostic techniques. While various models of training Ph...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315377/patient-derived-xenografts-a-platform-for-accelerating-translational-research-in-prostate-cancer
#7
Alastair H Davies, Yuzhuo Wang, Amina Zoubeidi
Recently, there has been renewed interest in the development and characterization of patient-derived tumour xenograft (PDX) models. Numerous PDX models have been established for prostate cancer and, importantly, retain the principal molecular, genetic, and histological characteristics of the donor tumour. As such, these models provide significant improvements over standard cell line xenograft models for biological studies, preclinical drug development, and personalized medicine strategies. This review summarizes the current state of the art in this field, illustrating the opportunities and limitations of PDX models in translational prostate cancer research...
March 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28306159/positioning-the-principles-of-precision-medicine-in-care-pathways-for-allergic-rhinitis-and-chronic-rhinosinusitis-an-euforea-aria-epos-airways-icp-statement
#8
P W Hellings, W J Fokkens, C Bachert, C A Akdis, T Bieber, I Agache, M Bernal-Sprekelsen, G W Canonica, P Gevaert, G Joos, V Lund, A Muraro, M Onerci, T Zuberbier, B Pugin, S F Seys, J Bousquet
Precision medicine (PM) is increasingly recognized as the way forward for optimizing patient care. Introduced in the field of oncology, it is now considered of major interest in other medical domains like allergy and chronic airway diseases, which face an urgent need to improve the level of disease control, enhance patient satisfaction and increase effectiveness of preventive interventions. The combination of personalized care, prediction of treatment success, prevention of disease and patient participation in the elaboration of the treatment plan is expected to substantially improve the therapeutic approach for individuals suffering from chronic disabling conditions...
March 17, 2017: Allergy
https://www.readbyqxmd.com/read/28302035/translational-multimodality-neuroimaging
#9
Sushil K Sharma
Recently high-resolution, noninvasive, multimodality in-vivo molecular imaging with PET, SPECT, CT and MRI, employing fusion algorithms has revolutionized personalized medicine. However, specific radiopharmaceuticals (RPs) for the accurate diagnosis and effective treatment of progressive neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, drug addiction, and other cognitive impairments still remain in developmental phase. Currently, multimodality fusion neuroimaging is utilized for the determination of: pharmacokinetics and pre-clinical development of radiopharmaceuticals (RPs); in-vivo monitoring of stem cell transplantation therapy; nicotinic acetylcholine receptors (nAChRs) investigations; and regional cerebral blood flow and glucose metabolism in cognitively-impaired subjects employing noninvasive microPET and nano-SPECT imaging...
March 15, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28301460/clinical-laboratories-collaborate-to-resolve-differences-in-variant-interpretations-submitted-to-clinvar
#10
Steven M Harrison, Jill S Dolinsky, Amy E Knight Johnson, Tina Pesaran, Danielle R Azzariti, Sherri Bale, Elizabeth C Chao, Soma Das, Lisa Vincent, Heidi L Rehm
PURPOSE: Data sharing through ClinVar offers a unique opportunity to identify interpretation differences between laboratories. As part of a ClinGen initiative, four clinical laboratories (Ambry, GeneDx, Partners Healthcare Laboratory for Molecular Medicine, and University of Chicago Genetic Services Laboratory) collaborated to identify the basis of interpretation differences and to investigate if data sharing and reassessment resolve interpretation differences by analyzing a subset of variants...
March 16, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28299323/addressing-challenges-to-enhance-the-bioactives-of-withania-somnifera-through-organ-tissue-and-cell-culture-based-approaches
#11
REVIEW
Pritika Singh, Rupam Guleri, Amrita Angurala, Kuldeep Kaur, Kulwinder Kaur, Sunil C Kaul, Renu Wadhwa, Pratap Kumar Pati
Withania somnifera is a highly valued medicinal plant in traditional home medicine and is known for a wide range of bioactivities. Its commercial cultivation is adversely affected by poor seed viability and germination. Infestation by various pests and pathogens, survival under unfavourable environmental conditions, narrow genetic base, and meager information regarding biosynthesis of secondary metabolites are some of the other existing challenges in the crop. Biotechnological interventions through organ, tissue, and cell culture provide promising options for addressing some of these issues...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28297578/%C3%AE-elemene-selectively-inhibits-the-proliferation-of-glioma-stem-like-cells-through-the-downregulation-of-notch1
#12
Hai-Bin Feng, Jing Wang, Hao-Ran Jiang, Xin Mei, Yi-Ying Zhao, Fu-Rong Chen, Yue Qu, Ke Sai, Cheng-Cheng Guo, Qun-Ying Yang, Zong-Ping Zhang, Zhong-Ping Chen
Glioma is the most frequent primary central nervous system tumor. Although the current first-line medicine, temozolomide (TMZ), promotes patient survival, drug resistance develops easily. Thus, it is important to investigate novel therapeutic reagents to solidify the treatment effect. β-Elemene (bELE) is a compound from a Chinese herb whose anticancer effect has been shown in various types of cancer. However, its role in the inhibition of glioma stem-like cells (GSLCs) has not yet been reported. We studied both the in vitro and the in vivo inhibitory effect of bELE and TMZ in GSLCs and parental cells and their combined effects...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28287876/crispr-cas9-from-a-bacterial-immune-system-to-genome-edited-human-cells-in-clinical-trials
#13
Leonhard Kick, Marion Kirchner, Sabine Schneider
The adaptive bacterial immune system CRISPR-Cas is revolutionising all fields of life science and has opened up new frontiers towards personalised medicine. Since the elucidation of the molecular mechanism of Cas9 from Streptococcus pyogenes in 2012 and its development as a genomic engineering tool, genetic modifications in more than 40 species have been carried out, over 290 patents have been filed worldwide and the first clinical trials using CRISPR-Cas-modified T-cells have recently been started in China and in the US...
March 13, 2017: Bioengineered
https://www.readbyqxmd.com/read/28287035/biological-basis-of-radiation-protection-needs-rejuvenation
#14
Tatjana Paunesku, Benjamin Haley, Antone Brooks, Gayle E Woloschak
PURPOSE: Human beings encounter radiation in many different situations - from proximity to radioactive waste sites to participation in medical procedures using X-rays etc. Limits for radiation exposures are legally regulated; however, current radiation protection policy does not explicitly acknowledge that biological, cellular and molecular effects of low doses and low dose rates of radiation differ from effects induced by medium and high dose radiation exposures. Recent technical developments in biology and medicine, from single cell techniques to big data computational research, have enabled new approaches for study of biology of low doses of radiation...
March 13, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28282720/precision-medicine-approach-to-anaplastic-thyroid-cancer-advances-in-targeted-drug-therapy-based-on-specific-signaling-pathways
#15
Hilda Samimi, Parviz Fallah, Alireza Naderi Sohi, Rezvan Tavakoli, Mahmood Naderi, Masoud Soleimani, Bagher Larijani, Vahid Haghpanah
Personalized medicine is a set of diagnostic, prognostic and therapeutic approaches in which medical interventions are carried out based on individual patient characteristics. As life expectancy increases in developed and developing countries, the incidence of diseases such as cancer goes up among people in the community. Cancer is a disease that the response to treatment varies from one person to another and also it is costly for individuals, families, and society. Among thyroid cancers, anaplastic thyroid carcinoma (ATC) is the most aggressive, lethal and unresponsive form of the disease...
March 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28281838/diagnostic-function-of-the-neuroinflammatory-biomarker-ykl-40-in-alzheimer-s-disease-and-other-neurodegenerative-diseases
#16
Filippo Baldacci, Simone Lista, Enrica Cavedo, Ubaldo Bonuccelli, Harald Hampel
Neuroinflammation is a crucial mechanism in the pathophysiology of neurodegenerative diseases pathophysiology. Cerebrospinal fluid (CSF) YKL-40 - an indicator of microglial activation - has recently been identified by proteomic studies as a candidate biomarker for Alzheimer's disease (AD). Areas covered: We review the impact of CSF YKL-40 as a pathophysiological biomarker for AD and other neurodegenerative diseases. CSF YKL-40 concentrations have been shown to predict progression from prodromal mild cognitive impairment to AD dementia...
March 20, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28280722/tissue-engineered-solutions-in-plastic-and-reconstructive-surgery-principles-and-practice
#17
REVIEW
Sarah Al-Himdani, Zita M Jessop, Ayesha Al-Sabah, Emman Combellack, Amel Ibrahim, Shareen H Doak, Andrew M Hart, Charles W Archer, Catherine A Thornton, Iain S Whitaker
Recent advances in microsurgery, imaging, and transplantation have led to significant refinements in autologous reconstructive options; however, the morbidity of donor sites remains. This would be eliminated by successful clinical translation of tissue-engineered solutions into surgical practice. Plastic surgeons are uniquely placed to be intrinsically involved in the research and development of laboratory engineered tissues and their subsequent use. In this article, we present an overview of the field of tissue engineering, with the practicing plastic surgeon in mind...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28277923/3d-culture-as-a-clinically-relevant-model-for-personalized-medicine
#18
Eliza Li Shan Fong, Tan Boon Toh, Hanry Yu, Edward Kai-Hua Chow
Advances in understanding many of the fundamental mechanisms of cancer progression have led to the development of molecular targeted therapies. While molecular targeted therapeutics continue to improve the outcome for cancer patients, tumor heterogeneity among patients, as well as intratumoral heterogeneity, limits the efficacy of these drugs to specific patient subtypes, as well as contributes to relapse. Thus, there is a need for a more personalized approach toward drug development and diagnosis that takes into account the diversity of cancer patients, as well as the complex milieu of tumor cells within a single patient...
March 1, 2017: SLAS Technol
https://www.readbyqxmd.com/read/28273884/2d-qsar-and-3d-qsar-comsia-studies-on-a-series-of-r-2-2-1h-indol-2-yl-ethyl-amino-1-phenylethan-1-ol-with-human-%C3%AE-%C3%A2-adrenergic-activity
#19
Gastón Apablaza, Luisa Montoya, Cesar Morales-Verdejo, Marco Mellado, Mauricio Cuellar, Carlos F Lagos, Jorge Soto-Delgado, Hery Chung, Carlos David Pessoa-Mahana, Jaime Mella
The β₃ adrenergic receptor is raising as an important drug target for the treatment of pathologies such as diabetes, obesity, depression, and cardiac diseases among others. Several attempts to obtain selective and high affinity ligands have been made. Currently, Mirabegron is the only available drug on the market that targets this receptor approved for the treatment of overactive bladder. However, the FDA (Food and Drug Administration) in USA and the MHRA (Medicines and Healthcare products Regulatory Agency) in UK have made reports of potentially life-threatening side effects associated with the administration of Mirabegron, casting doubts on the continuity of this compound...
March 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28273194/-current-questions-in-the-radiotherapy-of-lymphoproliferative-tumors
#20
József Lövey
Radiation therapy traditionally plays a major role in the treatment of lymphoproliferative diseases. Diagnostics and treatment of these tumors improved tremendously in the recent decades. Molecular diagnostics is able to discriminate its subtypes more precisely than ever and opens the possibility of the introduction of targeted medicines. Imaging, especially functional imaging now has an established role in forming treatment strategy. Radiation therapy showed substantial technical development too. As a consequence of these, the role, dose and technique of radiotherapy changes instantly...
March 8, 2017: Magyar Onkologia
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