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a historical perspective on the discovery

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https://www.readbyqxmd.com/read/28926993/satellite-dna-an-evolving-topic
#1
REVIEW
Manuel A Garrido-Ramos
Satellite DNA represents one of the most fascinating parts of the repetitive fraction of the eukaryotic genome. Since the discovery of highly repetitive tandem DNA in the 1960s, a lot of literature has extensively covered various topics related to the structure, organization, function, and evolution of such sequences. Today, with the advent of genomic tools, the study of satellite DNA has regained a great interest. Thus, Next-Generation Sequencing (NGS), together with high-throughput in silico analysis of the information contained in NGS reads, has revolutionized the analysis of the repetitive fraction of the eukaryotic genomes...
September 18, 2017: Genes
https://www.readbyqxmd.com/read/28920584/liver-resident-nk-cells-and-their-potential-functions
#2
Hui Peng, Rui Sun
Natural killer (NK) cells represent a heterogeneous population of innate lymphocytes with phenotypically and functionally distinct subsets. In particular, recent studies have identified a unique subset of NK cells residing within the liver that are maintained as tissue-resident cells, confer antigen-specific memory responses and exhibit different phenotypical and developmental characteristics compared with conventional NK (cNK) cells. These findings have encouraged researchers to uncover tissue-resident NK cells at other sites, and detailed analyses have revealed that these tissue-resident NK cells share many similarities with liver-resident NK cells and tissue-resident memory T cells...
September 18, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28910526/genetic-rodent-models-of-brain-disorders-perspectives-on-experimental-approaches-and-therapeutic-strategies
#3
Christopher M McGraw, Christopher S Ward, Rodney C Samaco
Neurobehavioral disorders comprised of neurodegenerative, neurodevelopmental, and psychiatric disorders together represent leading causes of morbidity and mortality. Despite significant academic research and industry efforts to elucidate the disease mechanisms operative in these disorders and to develop mechanism-based therapies, our understanding remains incomplete and our access to tractable therapeutic interventions severely limited. The magnitude of these short-comings can be measured by the growing list of disappointing clinical trials based on initially promising compounds identified in genetic animal models...
September 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28838802/literature-based-discovery-models-methods-and-trends
#4
REVIEW
M S Sam Henry, Bridget T McInnes
OBJECTIVES: This paper provides an introduction and overview of literature based discovery (LBD) in the biomedical domain. It introduces the reader to modern and historical LBD models, key system components, evaluation methodologies, and current trends. After completion, the reader will be familiar with the challenges and methodologies of LBD. The reader will be capable of distinguishing between recent LBD systems and publications, and be capable of designing an LBD system for a specific application...
August 21, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28758992/demystifying-traditional-herbal-medicine-with-modern-approach
#5
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/28749665/summary-of-the-acs-symposium-on-public-health-perspectives-of-mycotoxins-in-food
#6
Lauren S Jackson, Dojin Ryu
A symposium entitled "Public Health Perspectives of Mycotoxins in Food" was held at the 251st American Chemical Society (ACS) Meeting in March 2016 in San Diego, CA, and was sponsored by the ACS Division of Agricultural and Food Chemistry. The purpose of the symposium was to convene the leading mycotoxin researchers throughout the world to discuss the current state of knowledge as well as research needs with respect to evaluating the toxicological properties of mycotoxins and ways to detect, control, and reduce human and animal exposure to these natural toxins...
August 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28725290/the-discovery-of-the-flammer-syndrome-a-historical-and-personal-perspective
#7
REVIEW
Josef Flammer, Katarzyna Konieczka
This review describes the clinical and basic research that led to the description of Flammer syndrome. It is narrated from a personal perspective. This research was initiated by the observation of an increased long-term fluctuation of visual fields in a subgroup of glaucoma patients. As these patients had strikingly cold hands, peripheral blood flow was tested with a capillary microscopy, and vasospastic syndrome (VS) was diagnosed. Further studies on these patients revealed frequently weakened autoregulation of ocular blood flow and increased flow resistivity in retroocular vessels...
June 2017: EPMA Journal
https://www.readbyqxmd.com/read/28720325/therapeutic-peptides-historical-perspectives-current-development-trends-and-future-directions
#8
Jolene L Lau, Michael K Dunn
Peptide therapeutics have played a notable role in medical practice since the advent of insulin therapy in the 1920s. Over 60 peptide drugs are approved in the United States and other major markets, and peptides continue to enter clinical development at a steady pace. Peptide drug discovery has diversified beyond its traditional focus on endogenous human peptides to include a broader range of structures identified from other natural sources or through medicinal chemistry efforts. We maintain a comprehensive dataset on peptides that have entered human clinical studies that includes over 150 peptides in active development today...
July 1, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28656582/an-historical-perspective-of-the-discovery-of-titin-filaments
#9
REVIEW
Cris Dos Remedios, Darcy Gilmour
This review takes readers back to 1949, when two Australian scientists, Draper and Hodge, reported the first high-resolution electron microscopy images of striated muscle. In 1953, Jean Hanson and Hugh Huxley published phase-contrast microscopy and electron microscopy images that established the filamentous nature of the sarcomere, namely the myosin-containing thick filaments and actin-containing thin filaments. They discussed a putative third filament system, possibly a thinner actin-containing S filament, that appeared to connect one Z disc to the next...
June 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28626470/multi-infarct-dementia-a-historical-perspective
#10
REVIEW
Erin McKay, Scott E Counts
BACKGROUND: Multi-infarct dementia (MID), a prominent subtype of vascular dementia (VaD), has only achieved recognition in the last 4 decades. Since its original description, the characterization, etiological understanding, and therapeutic direction of MID and other VaD subtypes has progressed at an astounding rate. SUMMARY: This paper divides the landmark discoveries and emergence of new research strategies for MID into decade-defining patterns so that a condensed picture of the total history of MID and its eventual inclusion as a VaD subtype emerges...
January 2017: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28581505/a-decade-of-discovery-crispr-functions-and-applications
#11
REVIEW
Rodolphe Barrangou, Philippe Horvath
This year marks the tenth anniversary of the identification of the biological function of CRISPR-Cas as adaptive immune systems in bacteria. In just a decade, the characterization of CRISPR-Cas systems has established a novel means of adaptive immunity in bacteria and archaea and deepened our understanding of the interplay between prokaryotes and their environment, and CRISPR-based molecular machines have been repurposed to enable a genome editing revolution. Here, we look back on the historical milestones that have paved the way for the discovery of CRISPR and its function, and discuss the related technological applications that have emerged, with a focus on microbiology...
June 5, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28577973/membrane-lipid-therapy-a-historical-perspective-of-membrane-targeted-therapies-from-lipid-bilayer-structure-to-the-pathophysiological-regulation-of-cells
#12
EDITORIAL
Pablo V Escribá
Our current understanding of membrane lipid composition, structure and functions has led to the investigation of their role in cell signaling, both in healthy and pathological cells. As a consequence, therapies based on the regulation of membrane lipid composition and structure have been recently developed. This novel field, known as Membrane Lipid Therapy, is growing and evolving rapidly, providing treatments that are now in use or that are being studied for their application to oncological disorders, Alzheimer's disease, spinal cord injury, stroke, diabetes, obesity, and neuropathic pain...
June 1, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28508702/cluster-analysis-in-nursing-research-an-introduction-historical-perspective-and-future-directions
#13
Heather Dunn, Laurie Quinn, Susan J Corbridge, Kamal Eldeirawi, Mary Kapella, Eileen G Collins
The use of cluster analysis in the nursing literature is limited to the creation of classifications of homogeneous groups and the discovery of new relationships. As such, it is important to provide clarity regarding its use and potential. The purpose of this article is to provide an introduction to distance-based, partitioning-based, and model-based cluster analysis methods commonly utilized in the nursing literature, provide a brief historical overview on the use of cluster analysis in nursing literature, and provide suggestions for future research...
May 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28476630/membrane-lipid-therapy-a-historical-perspective-of-membrane-targeted-therapies-from-lipid-bilayer-structure-to-the-pathophysiological-regulation-of-cells
#14
REVIEW
Pablo V Escribá
Our current understanding of membrane lipid composition, structure and functions has led to the investigation of their role in cell signaling, both in healthy and pathological cells. As a consequence, therapies based on the regulation of membrane lipid composition and structure have been recently developed. This novel field, known as membrane lipid therapy, is growing and evolving rapidly, providing treatments that are now in use or that are being studied for their application to oncological disorders, Alzheimer's disease, spinal cord injury, stroke, diabetes, obesity, and neuropathic pain...
May 2, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28469017/sex-chromosome-evolution-historical-insights-and-future-perspectives
#15
Jessica K Abbott, Anna K Nordén, Bengt Hansson
Many separate-sexed organisms have sex chromosomes controlling sex determination. Sex chromosomes often have reduced recombination, specialized (frequently sex-specific) gene content, dosage compensation and heteromorphic size. Research on sex determination and sex chromosome evolution has increased over the past decade and is today a very active field. However, some areas within the field have not received as much attention as others. We therefore believe that a historic overview of key findings and empirical discoveries will put current thinking into context and help us better understand where to go next...
May 17, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28469009/heroes-of-the-engram
#16
REVIEW
Sheena A Josselyn, Stefan Köhler, Paul W Frankland
In 1904, Richard Semon introduced the term "engram" to describe the neural substrate responsible for (or at least important in) storing and recalling memories (i.e., a memory trace). The recent introduction of a vast array of powerful new tools to probe and manipulate memory function at the cell and neuronal circuit level has spurred an explosion of interest in studying the engram. However, the present "engram renaissance" was not borne in isolation but rather builds on a long tradition of memory research. We believe it is important to acknowledge the debts our current generation of scientists owes to those scientists who have offered key ideas, persevered through failed experiments and made important discoveries before us...
May 3, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28466758/the-glymphatic-pathway
#17
Helene Benveniste, Hedok Lee, Nora D Volkow
The overall premise of this review is that cerebrospinal fluid (CSF) is transported within a dedicated peri-vascular network facilitating metabolic waste clearance from the central nervous system while we sleep. The anatomical profile of the network is complex and has been defined as a peri-arterial CSF influx pathway and peri-venous clearance routes, which are functionally coupled by interstitial bulk flow supported by astrocytic aquaporin 4 water channels. The role of the newly discovered system in the brain is equivalent to the lymphatic system present in other body organs and has been termed the "glymphatic pathway" or "(g)lymphatics" because of its dependence on glial cells...
January 1, 2017: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/28426839/medical-history-in-the-hellenic-journal-of-nuclear-medicine
#18
EDITORIAL
Andreas Otte
The Hellenic Journal of Nuclear Medicine is about to celebrate its 20th anniversary end of 2017. On board of the editorial team since 2003, this journal has influenced me like a good friend over the many past years. From time to time, the journal has published interesting and valuable historical notes. They show that nuclear medicine has a history and that medicine is its basis. They also teach us today, and some of the ancient perspectives and approaches are still valid. The reader of HJNM may be interested in these historical contributions, as they are timeless...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28415564/mammalian-sphingosine-kinase-sphk-isoenzymes-and-isoform-expression-challenges-for-sphk-as-an-oncotarget
#19
REVIEW
Diana Hatoum, Nahal Haddadi, Yiguang Lin, Najah T Nassif, Eileen M McGowan
The various sphingosine kinase (SphK) isoenzymes (isozymes) and isoforms, key players in normal cellular physiology, are strongly implicated in cancer and other diseases. Mutations in SphKs, that may justify abnormal physiological function, have not been recorded. Nonetheless, there is a large and growing body of evidence demonstrating the contribution of gain or loss of function and the imbalance in the SphK/S1P rheostat to a plethora of pathological conditions including cancer, diabetes and inflammatory diseases...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28356901/penicillin-s-discovery-and-antibiotic-resistance-lessons-for-the-future
#20
REVIEW
Mariya Lobanovska, Giulia Pilla
Undoubtedly, the discovery of penicillin is one of the greatest milestones in modern medicine. 2016 marks the 75th anniversary of the first systemic administration of penicillin in humans, and is therefore an occasion to reflect upon the extraordinary impact that penicillin has had on the lives of millions of people since. This perspective presents a historical account of the discovery of the wonder drug, describes the biological nature of penicillin, and considers lessons that can be learned from the golden era of antibiotic research, which took place between the 1940s and 1960s...
March 2017: Yale Journal of Biology and Medicine
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