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https://www.readbyqxmd.com/read/28229218/microbial-flora-and-resistance-in-ophthalmology-a-review
#1
REVIEW
Andrzej Grzybowski, Piotr Brona, Stephen Jae Kim
Antibiotic resistance in systemic infection is well-researched and well-publicized. Much less information is available on the resistance of normal ocular microbiome and that of ophthalmic infections. An understanding of the distribution of ocular microorganisms may help us in tailoring our empiric treatment, as well as in choosing effective pre-, peri- and postoperative management, to achieve the best results for patients. This study aims to summarize and review the available literature on the subject of normal ocular flora and its resistance, as well as the broader topic of antibiotic resistance in ophthalmology...
February 22, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28229114/the-trier-social-stress-test-principles-and-practice
#2
REVIEW
Andrew P Allen, Paul J Kennedy, Samantha Dockray, John F Cryan, Timothy G Dinan, Gerard Clarke
Researchers interested in the neurobiology of the acute stress response in humans require a valid and reliable acute stressor that can be used under experimental conditions. The Trier Social Stress Test (TSST) provides such a testing platform. It induces stress by requiring participants to make an interview-style presentation, followed by a surprise mental arithmetic test, in front of an interview panel who do not provide feedback or encouragement. In this review, we outline the methodology of the TSST, and discuss key findings under conditions of health and stress-related disorder...
February 2017: Neurobiology of Stress
https://www.readbyqxmd.com/read/28228751/prospects-of-phage-application-in-the-treatment-of-acne-caused-by-propionibacterium-acnes
#3
REVIEW
Ewa Jończyk-Matysiak, Beata Weber-Dąbrowska, Maciej Żaczek, Ryszard Międzybrodzki, Sławomir Letkiewicz, Marzanna Łusiak-Szelchowska, Andrzej Górski
Propionibacterium acnes is associated with purulent skin infections, and it poses a global problem for both patients and doctors. Acne vulgaris (acne) remains a problem due to its chronic character and difficulty of treatment, as well as its large impact on patients' quality of life. Due to the chronic course of the disease, treatment is long lasting, and often ineffective. Currently there are data regarding isolation of P. acnes phages, and there have been numerous studies on phage killing of P. acnes, but no data are available on phage application specifically in acne treatment...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28224678/microbiome-autoimmunity-allergy-and-helminth-infection-the-importance-of-the-pregnancy-period
#4
Xian Chen, Su Liu, Qiao Tan, Yehuda Shoenfeld, Yong Zeng
Pregnancy is a special physical period in reproductive age women, which has a beneficial influence on the course of certain autoimmune diseases. It has been recently suggested that the microbiome undergoes profound changes during pregnancy that are associated with host physiological and immunological adaptations. The maternal microbiome remodeling during pregnancy is an active response of the mother, possibly to alter immune system status and to facilitate metabolic and immunological adaptations, which are needed for a successful pregnancy...
February 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28220542/the-gut-microbiome-in-human-neurological-disease-a-review
#5
REVIEW
Helen Tremlett, Kylynda C Bauer, Silke Appel-Cresswell, Brett B Finlay, Emmanuelle Waubant
Almost half the cells and 1% of the unique genes found in our bodies are human, the rest are from microbes; predominantly bacteria, archaea, fungi, and viruses. These microorganisms collectively form the human microbiota, with most colonizing the gut. Recent technological advances, open access data-libraries, and application of high throughput sequencing have allowed these microbes to be identified and their contribution to neurological health examined. Emerging evidence links perturbations in the gut microbiota to neurological disease, including disease risk, activity, and progression...
February 21, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28217698/questions-and-challenges-associated-with-studying-the-microbiome-of-the-urinary-tract
#6
REVIEW
Yige Bao, Kait F Al, Ryan M Chanyi, Samantha Whiteside, Malcom Dewar, Hassan Razvi, Gregor Reid, Jeremy P Burton
Urologists are typically faced with clinical situations for which the microbiome may have been a contributing factor. Clinicians have a good understanding regarding the role of bacteria related to issues such as antibiotic resistance; however, they generally have a limited grasp of how the microbiome may relate to urological issues. The largest part of the human microbiome is situated in the gastrointestinal tract, and though this is mostly separated from the urinary system, bacterial dissemination and metabolic output by this community is thought to have a significant influence on urological conditions...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28212158/an-integrated-understanding-of-the-immunology-of-allograft-inflammation
#7
Brenna Houlihan, Priscilla Cha, Michael Zasloff, Thomas M Fishbein, Alexander Kroemer
PURPOSE OF REVIEW: The purpose of this review is to summarize recent advances in our understanding of the complex immunology of intestinal transplantation and allograft rejection. RECENT FINDINGS: Recent findings highlight the importance of the intestinal microbiome for intestinal homeostasis and the role of newly discovered innate lymphoid cells in intestinal transplantation. In addition, the role of host antimicrobial Th17 responses in the pathogenesis of inflammatory bowel diseases and intestinal allograft rejection has been further elucidated...
February 15, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28207943/the-role-of-the-skin-microbiome-in-atopic-dermatitis-a-systematic-review
#8
REVIEW
R Dybboe, J Bandier, L Skov, L Engstrand, J D Johansen
BACKGROUND: Dysbiosis is a hallmark of atopic dermatitis. The composition of skin microbiome communities and the causality of dysbiosis in eczema have not been well established. OBJECTIVE: To describe the skin microbiome profile in atopic dermatitis and address if there is a causal relationship between dysbiosis and atopic dermatitis. METHODS: The protocol is registered in PROSPERO (CRD42016035813). We searched PubMed, Embase, Scopus and ClinicalTrials...
February 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28197129/the-ecological-role-of-type-three-secretion-systems-in-the-interaction-of-bacteria-with-fungi-in-soil-and-related-habitats-is-diverse-and-context-dependent
#9
REVIEW
Rashid Nazir, Sylvie Mazurier, Pu Yang, Philippe Lemanceau, Jan Dirk van Elsas
Bacteria and fungi constitute important organisms in many ecosystems, in particular terrestrial ones. Both organismal groups contribute significantly to biogeochemical cycling processes. Ecological theory postulates that bacteria capable of receiving benefits from host fungi are likely to evolve efficient association strategies. The purpose of this review is to examine the mechanisms that underpin the bacterial interactions with fungi in soil and other systems, with special focus on the type III secretion system (T3SS)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28195747/do-aging-factors-influence-the-clinical-presentation-and-management-of-chronic-rhinosinusitis
#10
Axel E Renteria, Leandra Mfuna Endam, Martin Desrosiers
Objective/Hypothesis Chronic rhinosinusitis (CRS) is a complex inflammatory disease of the upper respiratory airways resulting from the dysregulation of immunity and epithelial defenses. More recently, the contribution of an altered nasal microbiome to the development of CRS has also been proposed. However, the impact of aging on the development of CRS has been long overlooked. Here we propose, in a hypothesis piece, that aging can influence the physiopathology of CRS and its subsequent management in an elderly population...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28194099/gut-to-brain-dysbiosis-mechanisms-linking-western-diet-consumption-the-microbiome-and-cognitive-impairment
#11
REVIEW
Emily E Noble, Ted M Hsu, Scott E Kanoski
Consumption of a Western Diet (WD) that is high in saturated fat and added sugars negatively impacts cognitive function, particularly mnemonic processes that rely on the integrity of the hippocampus. Emerging evidence suggests that the gut microbiome influences cognitive function via the gut-brain axis, and that WD factors significantly alter the proportions of commensal bacteria in the gastrointestinal tract. Here we review mechanisms through which consuming a WD negatively impacts neurocognitive function, with a particular focus on recent evidence linking the gut microbiome with dietary- and metabolic-associated hippocampal impairment...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28192102/role-of-the-gut-microbiome-in-the-pathogenesis-of-obesity-and-obesity-related-metabolic-dysfunction
#12
Kristien E Bouter, Daniël H van Raalte, Albert K Groen, Max Nieuwdorp
The potential role of intestinal microbiota in the etiology of various human diseases has attracted massive attention in the last decade. As such, the intestinal microbiota has been advanced as an important partaker in the development of obesity and obesity-related metabolic dysfunctions, amongst others. Experiments in animal models have produced evidence for a causal role of intestinal microbiota in the etiology of obesity and insulin resistance. However, with a few exceptions such causal relation is lacking for humans...
February 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28192041/a-systematic-review-of-carrion-eaters-adaptations-to-avoid-sickness
#13
Daniel T Blumstein, Tiana N Rangchi, Tiandra Briggs, Fabrine Souza De Andrade, Barbara Natterson-Horowtiz
Species that scavenge on dead animals are exposed to enhanced disease risks. Eight hypotheses have been suggested to explain how scavengers avoid becoming sick from their diet. We conducted a systematic review of the literature and found correlative support for four of the eight hypotheses but limited evidence of systematic studies of the hypotheses. We found no support that using urine to sterilize carcasses, having bald heads, eating rapidly, or food-washing behavior reduced disease risk in carrion eaters...
February 13, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28188903/microbiome-of-dental-implants-and-its-clinical-aspect
#14
REVIEW
Reghunathan S Preethanath, Nadia W AlNahas, Sahar M Bin Huraib, Hana O Al-Balbeesi, Naif Khalid Almalik, M H N Dalati, Darshan Devang Divakar
Although dental implants are most common prosthetic treatment used to replace missing tooth, it gained considerable importance over a decade owing to the availability of advanced imagery techniques that can help in achieving a greater success rate and much better osseointegration. However, the chances that the implanted tooth can be rejected due to inflammation caused by oral microflora still persist. This review gives the viewers an overall idea of the dental implants, role of advanced imaging in implantation and instances of peri-implantitis that occur after implantation process...
February 8, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28184287/of-the-phrensy-an-update-on-the-epidemiology-and-pathogenesis-of-bacterial-meningitis-in-the-pediatric-population
#15
REVIEW
Andrew Janowski, Jason Newland
In the past century, advances in antibiotics and vaccination have dramatically altered the incidence and clinical outcomes of bacterial meningitis. We review the shifting epidemiology of meningitis in children, including after the implementation of vaccines that target common meningitic pathogens and the introduction of intrapartum antibiotic prophylaxis offered to mothers colonized with Streptococcus agalactiae. We also discuss what is currently known about the pathogenesis of meningitis. Recent studies of the human microbiome have illustrated dynamic relationships of bacterial and viral populations with the host, which may potentiate the risk of bacterial meningitis...
2017: F1000Research
https://www.readbyqxmd.com/read/28177413/selenium-biofortification-and-phytoremediation-phytotechnologies-a-review
#16
Michela Schiavon, Elizabeth A H Pilon-Smits
The element selenium (Se) is both essential and toxic for most life forms, with a narrow margin between deficiency and toxicity. Phytotechnologies using plants and their associated microbes can address both of these problems. To prevent Se toxicity due to excess environmental Se, plants may be used to phytoremediate Se from soil or water. To alleviate Se deficiency in humans or livestock, crops may be biofortified with Se. These two technologies may also be combined: Se-enriched plant material from phytoremediation could be used as green fertilizer or as fortified food...
January 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28176435/fish-intestinal-microbiome-diversity-and-symbiosis-unraveled-by-metagenomics
#17
REVIEW
Andrea M Tarnecki, Francisca A Burgos, Candis L Ray, Covadonga R Arias
The gut microbiome of vertebrates plays an integral role in host health by stimulating development of the immune system, aiding in nutrient acquisition, and outcompeting opportunistic pathogens. Development of next-generation sequencing (NGS) technologies allows researchers to survey complex communities of microorganisms within the microbiome at great depth with minimal costs, resulting in a surge of studies investigating bacterial diversity of fishes. Many of these studies have focused on the microbial structure of economically-significant aquaculture species with the goal of manipulating the microbes to increase feed efficiency and decrease disease susceptibility...
February 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28176229/charting-the-maternal-and-infant-microbiome-what-is-the-role-of-diabetes-and-obesity-in-pregnancy
#18
REVIEW
Sirtaj Singh, Margaret R Karagas, Noel T Mueller
PURPOSE OF REVIEW: The purpose of this review is to summarize the evidence on whether diabetes, obesity, and related metabolic derangements during pregnancy are associated with the maternal and infant microbiomes, and to identify gaps in the literature and offer guidance on future research on this topic. RECENT FINDINGS: We found circumstantial evidence from four observational studies that the maternal gut microbiome was associated with either pre-pregnancy body mass index, gestational weight gain, gestational diabetes, and/or related metabolic biomarkers in pregnancy; we did not identify any studies that examined whether the vaginal microbiome varied according to these metabolic parameters...
February 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28165395/the-fungal-mycobiome-and-its-interaction-with-gut-bacteria-in-the-host
#19
REVIEW
Qi Hui Sam, Matthew Wook Chang, Louis Yi Ann Chai
The advent of sequencing technology has endowed us with the capacity to study microbes constituting the human commensal community that were previously non-culturable. Much of the initial works have concentrated on the bacterial flora constituting the gut microbiome, since specimens are readily accessible in health and disease. Less, however, is understood of the "silent population"-the fungal species, also known as the mycobiome. Living in symbiosis with bacteria as commensals in our body, it is perceivable that the mycobiome exerts an inadvertent influence on the microbiome...
February 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28163914/recent-advances-in-understanding-noroviruses
#20
REVIEW
Eric Bartnicki, Juliana Bragazzi Cunha, Abimbola O Kolawole, Christiane E Wobus
Noroviruses are the leading cause of acute gastroenteritis around the world. An individual living in the United States is estimated to develop norovirus infection five times in his or her lifetime. Despite this, there is currently no antiviral or vaccine to combat the infection, in large part because of the historical lack of cell culture and small animal models. However, the last few years of norovirus research were marked by a number of ground-breaking advances that have overcome technical barriers and uncovered novel aspects of norovirus biology...
2017: F1000Research
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