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https://www.readbyqxmd.com/read/29140081/the-human-milk-glycome-as-a-defense-against-infectious-diseases-rationale-challenges-and-opportunities
#1
Kelly M Craft, Steven D Townsend
Each year over 3 million people die from infectious diseases with most of these deaths being poor and young children who live in low- and middle-income countries. Infectious diseases emerge for a multitude of reasons. On the social front, reasons include a breakdown of public health standards, international travel, and immigration (for financial, civil, and social reasons). At the molecular level, the modern rise of infectious diseases is tied to the juxtaposition of drug-resistant pathogens and a lack of new antimicrobials...
November 15, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29138961/blastocystis-subtypes-isolated-from-irritable-bowel-syndrome-patients-and-co-infection-with-helicobacter-pylori
#2
Ayman A El-Badry, Wegdan M Abd El Wahab, Doaa A Hamdy, Alaa Aboud
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disease presenting clinically by abdominal pain with alteration of bowel habits. Although IBS has uncertain etiology, chronic gut inflammation due to persistent exposure to an infectious agent including Blastocystis sp. was proposed. The aim of this study was to detect the prevalence of Blastocystis sp. subtype (ST) isolated from stool of IBS patients and to assess Blastocystis sp. and H. pylori co-infection in IBS patients from Beni-Suef Governorate, Egypt...
November 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29135490/the-microbiome-and-hiv-persistence-implications-for-viral-remission-and-cure
#3
Wei Li A Koay, Lilly V Siems, Deborah Persaud
PURPOSE OF REVIEW: This article discusses the interaction between HIV infection, the gut microbiome, inflammation and immune activation, and HIV reservoirs, along with interventions to target the microbiome and their implications for HIV remission and cure. RECENT FINDINGS: Most studies show that HIV-infected adults have a gut microbiome associated with decreased bacterial richness and diversity, and associated systemic inflammation and immune activation. A unique set of individuals, elite controllers, who spontaneously control HIV replication, have a similar microbiome to HIV-uninfected individuals...
November 10, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29133866/gastric-microbiome-of-indian-patients-with-helicobacter-pylori-infection-and-their-interaction-networks
#4
Anubhav Das, Verima Pereira, Shruti Saxena, Tarini Shankar Ghosh, D Anbumani, Satyabrata Bag, Bhabatosh Das, G Balakrish Nair, Philip Abraham, Sharmila S Mande
The gastric microbiome is suspected to have a role in the causation of diseases by Helicobacter pylori. Reports on their relative abundance vis-à-vis H. pylori are available from various ethnic and geographic groups, but little is known about their interaction patterns. Endoscopic mucosal biopsy samples from the gastric antrum and corpus of 39 patients with suspected H. pylori infection were collected and microbiomes were analyzed by 16S rDNA profiling. Four groups of samples were identified, which harbored Helicobacter as well as a diverse group of bacteria including Lactobacillus, Halomonas and Prevotella...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29120455/manipulating-the-microbiome-evolution-of-a-strategy-to-prevent-s-aureus-disease-in-children
#5
D F Khamash, A Voskertchian, A M Milstone
Hospitalized infants have the highest rates of invasive Staphylococcus aureus disease of any population and infection control strategies such as decolonization have been insufficient. For decades, researchers began studying the microbiome in search of new prevention strategies. The resident microbiota was found to be closely associated with susceptibility and at times, resistance to S. aureus colonization. The evolution of nucleic acid based techniques has enhanced our understanding of the complex relationship between the nasal microbiota and S...
November 9, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29119101/effect-of-dual-infection-with-eimeria-tenella-and-subgroup-j-avian-leukosis-virus-on-the-cecal-microbiome-in-specific-pathogen-free-chicks
#6
Ning Cui, Xiuzhen Wang, Qi Wang, Hongmei Li, Fangkun Wang, Xiaomin Zhao
Understanding gut microflora alterations associated with gut parasites and other pathogens that drive these alterations may help to promote the understanding of intestinal flora's role in multiple-infected individuals. This study examined the effects of dual infection with Eimeria tenella and subgroup J avian leukosis virus (ALV-J) on the chick cecal microbiome. Specific-pathogen-free (SPF) chicks were infected with either ALV-J strain NX0101 at 1 day of age or E. tenella at 14 days of age, another group was infected with both pathogens...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29114218/periodontitis-microbiomes-and-their-role-in-alzheimer-s-disease
#7
Anna B Pritchard, StJohn Crean, Ingar Olsen, Sim K Singhrao
As far back as the eighteenth and early nineteenth centuries, microbial infections were responsible for vast numbers of deaths. The trend reversed with the introduction of antibiotics coinciding with longer life. Increased life expectancy however, accompanied the emergence of age related chronic inflammatory states including the sporadic form of Alzheimer's disease (AD). Taken together, the true challenge of retaining health into later years of life now appears to lie in delaying and/or preventing the progression of chronic inflammatory diseases, through identifying and influencing modifiable risk factors...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29113918/the-impact-of-diabetes-on-corneal-nerve-morphology-and-ocular-surface-integrity
#8
REVIEW
Maria Markoulli, Judith Flanagan, Shyam Sunder Tummanapalli, Jenny Wu, Mark Willcox
Diabetes mellitus is a chronic disease that results from inadequate insulin production or ineffective insulin utilization. It is one of the most common systemic diseases worldwide with increasing prevalence. Diabetes mellitus is associated with premature mortality, macrovascular complications such as cardiovascular disease, and microvascular complications, including nephropathy leading to kidney failure, potentially blinding diabetic retinopathy, and diabetic neuropathy. While the retinal complications of diabetes are well recognized by eye care professionals, the effects on the ocular surface are poorly understood...
November 4, 2017: Ocular Surface
https://www.readbyqxmd.com/read/29110105/recent-issues-in-pediatric-clostridium-difficile-infection
#9
REVIEW
Jason A Clayton, Philip Toltzis
PURPOSE OF REVIEW: We focus on two recent aspects of Clostridium difficile infection (CDI) in children, namely the emergence of community-associated CDI (CA-CDI) and the incidence and prevention of recurrent CDI. RECENT FINDINGS: Current surveys suggest that a large proportion of all pediatric CDI is acquired in the community. Risk factors and frequency estimates of pediatric CA-CDI, however, are confounded in babies and toddlers by a high rate of asymptomatic excretion, whose detection likely is exaggerated by the wide use of highly sensitive nucleic acid amplification tests...
November 7, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/29106820/development-and-function-of-the-mucosal-immune-system-in-the-upper-respiratory-tract-of-neonatal-calves
#10
Rahwa Osman, Nilusha Malmuthuge, Patricia Gonzalez-Cano, Philip Griebel
Respiratory infections remain the second most common cause of clinical disease and mortality in newborn calves, which has led to increased interest in using vaccines early in life to mitigate this risk. Intranasal vaccination of neonatal calves can be an effective strategy to circumvent vaccine interference by maternal antibody, but this raises questions regarding onset of immune competence in the upper respiratory tract (URT) following birth. Little is known, however, about the development and function of mucosa-associated lymphoid tissue (MALT) in the URT of newborn calves and what factors, including the commensal microbiome, contribute to this early development...
November 6, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29102920/gastric-microbial-community-profiling-reveals-a-dysbiotic-cancer-associated-microbiota
#11
Rui M Ferreira, Joana Pereira-Marques, Ines Pinto-Ribeiro, Jose L Costa, Fatima Carneiro, Jose C Machado, Ceu Figueiredo
OBJECTIVE: Gastric carcinoma development is triggered by Helicobacter pylori. Chronic H. pylori infection leads to reduced acid secretion, which may allow the growth of a different gastric bacterial community. This change in the microbiome may increase aggression to the gastric mucosa and contribute to malignancy. Our aim was to evaluate the composition of the gastric microbiota in chronic gastritis and in gastric carcinoma. DESIGN: The gastric microbiota was retrospectively investigated in 54 patients with gastric carcinoma and 81 patients with chronic gastritis by 16S rRNA gene profiling, using next-generation sequencing...
November 4, 2017: Gut
https://www.readbyqxmd.com/read/29101674/human-microbiome-infections-and-rheumatic-disease
#12
Ana Clara Caminer, Rebecca Haberman, Jose U Scher
Microbes have coevolved with their human hosts for millions of years and are vital to their normal development and homoeostasis. It is now clear that there is direct and indirect cross talk between the microbiome and host immune responses. However, the exact mechanisms for this microbial influence in disease pathogenesis remain elusive and are now a major research focus.
December 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29101193/methicillin-resistant-staphylococcus-aureus-sequence-type-st-5-isolates-from-health-care-and-agricultural-sources-adhere-equivalently-to-human-keratinocytes
#13
Samantha J Hau, Steven Kellner, Kirsten C Eberle, Ursula Waack, Susan L Brockmeier, Jisun S Haan, Peter R Davies, Timothy Frana, Tracy L Nicholson
Staphylococcus aureus is part of the nasal microbiome of many humans and has become a significant public health burden due to infections with antibiotic resistant strains, including methicillin resistant S. aureus (MRSA). Several lineages of S. aureus including MRSA are found in livestock species and can be acquired by humans through contact with animals. These livestock associated MRSA (LA-MRSA) isolates raise public health concerns because of the potential for livestock to act as reservoirs for MRSA outside of the hospital setting...
November 3, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29099809/impact-of-the-respiratory-microbiome-on-host-responses-to-respiratory-viral-infection
#14
REVIEW
Maxime Pichon, Bruno Lina, Laurence Josset
Viruses are responsible for most of both upper and lower acute respiratory infections (ARIs). The microbiome-the ecological community of microorganisms sharing the body space, which has gained considerable interest over the last decade-is modified in health and disease states. Even if most of these disturbances have been previously described in relation to chronic disorders of the gastrointestinal microbiome, after a short reminder of microbiome characteristics and methods of characterization, this review will describe the impact of the microbiome (mainly respiratory) on host responses to viral ARIs...
November 3, 2017: Vaccines
https://www.readbyqxmd.com/read/29098532/microbial-community-and-ovine-host-response-varies-with-early-and-late-stages-of-haemonchus-contortus-infection
#15
Saeed El-Ashram, Ibrahim Al Nasr, Fathi Abouhajer, Maged El-Kemary, Guangping Huang, Güngör Dinçel, Rashid Mehmood, Min Hu, Xun Suo
The interactions between gastric microbiota, ovine host, and Haemonchus contortus portray the ovine gastric environment as a complex ecosystem, where all factors play a pertinent role in fine-tuning each other and in haemeostasis. We delineated the impact of early and late Haemonchus infection on abomasal and ruminal microbial community, as well as the ovine host. Twelve, parasite-naive lambs were divided into four groups, 7 days post-infection (dpi) and time-matched uninfected-control groups; 50 dpi and time-matched uninfected control groups were used for the experiment...
November 2, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/29089606/the-inflammatory-microenvironment-and-microbiome-in-prostate-cancer-development
#16
REVIEW
Karen S Sfanos, Srinivasan Yegnasubramanian, William G Nelson, Angelo M De Marzo
Chronic inflammation promotes the development of several types of solid cancers and might contribute to prostate carcinogenesis. This hypothesis partly originates in the frequent observation of inflammatory cells in the prostate microenvironment of adult men. Inflammation is associated with putative prostate cancer precursor lesions, termed proliferative inflammatory atrophy. Inflammation might drive prostate carcinogenesis via oxidative stress and generation of reactive oxygen species that induce mutagenesis...
October 31, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29084144/bipolar-disorder-and-immune-dysfunction-epidemiological-findings-proposed-pathophysiology-and-clinical-implications
#17
REVIEW
Joshua D Rosenblat, Roger S McIntyre
Bipolar disorder (BD) is strongly associated with immune dysfunction. Replicated epidemiological studies have demonstrated that BD has high rates of inflammatory medical comorbidities, including autoimmune disorders, chronic infections, cardiovascular disease and metabolic disorders. Cytokine studies have demonstrated that BD is associated with chronic low-grade inflammation with further increases in pro-inflammatory cytokine levels during mood episodes. Several mechanisms have been identified to explain the bidirectional relationship between BD and immune dysfunction...
October 30, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29083538/functional-dyspepsia-and-duodenal-eosinophilia-a-new-disease-model
#18
REVIEW
Kening Fan, Nicholas J Talley
Functional dyspepsia (FD) is a highly prevalent disorder that affects more than 10% of the population. In the past decade, the conceptual underpinning of FD has begun to change, and new data are unraveling the underlying pathophysiological mechanisms of this disorder with a focus on the duodenum. The Rome IV criteria were published in 2016, and notably suggests that gastroesophageal reflux disease and irritable bowel syndrome may all be part of the same disease spectrum as FD. Helicobacter pylori explains a minority of FD cases and in Rome IV is considered a separate entity...
October 30, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/29083070/breastfeeding-and-autoimmunity-programing-health-from-the-beginning
#19
REVIEW
Vânia Vieira Borba, Kassem Sharif, Yehuda Shoenfeld
Breast milk is not only a completely adapted nutrition source for the newborn but also an impressive array of immune-active molecules that afford protection against infections and shape mucosal immune responses. Decisive imprinting events might be modulated during the first months of life with potential health long-term effects, enhancing the importance of breastfeeding as a major influence on the immune system correct development and modifying disease susceptibility. The aim of this review was to clarify the link between breastfeeding and autoimmune diseases, inquiring the related mechanisms, based on data available in the literature...
October 30, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29082256/examination-of-oral-microbiota-diversity-in-adults-and-older-adults-as-an-approach-to-prevent-spread-of-risk-factors-for-human-infections
#20
Paweł J Zawadzki, Konrad Perkowski, Marcin Padzik, Elżbieta Mierzwińska-Nastalska, Jacek P Szaflik, David Bruce Conn, Lidia Chomicz
The oral cavity environment may be colonized by polymicrobial communities with complex, poorly known interrelations. The aim of this study was to determine oral microbiota diversity in order to prevent the spread of infectious microorganisms that are risk factors for human health complications in patients requiring treatment due to various disabilities. The study examined Polish adults aged between 40 and 70 years; parasitological, microbiological, and mycological data collected before treatment were analyzed...
2017: BioMed Research International
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