Articles tagged with Bacterial Infections
Research suggests that stress alters the balance of intestinal bacteria, leading to increased levels of immune biomarkers and priming the innate immune system. The study found that antibiotics can reduce this effect, highlighting the role of gut bacteria in modulating stress-induced immune responses.
Researchers have found that flu virus infection is necessary for pneumococcal bacteria to efficiently spread between individuals. The study has implications for managing influenza pandemics and reducing pneumococcal infections in young children, who are highly susceptible.
Research suggests that probiotic E. coli Nissle 1917 can reduce negative effects of AIEC in Crohn's patients, modulating inflammatory immune proteins. The study emphasizes the potential of EcN in IBD treatment and its use as a therapeutic option for CD patients with pathogenic AIEC.
A recent study by Johns Hopkins Medicine reveals that hands-free electronic water faucets are more likely to be contaminated with Legionella bacteria compared to old-style fixtures. The study found that these new devices pose a problem in preventing Legionella infections in hospitals, despite reducing daily water consumption by over half.
Researchers detected high numbers of CRKP in long-term acute care hospitals, with 42% of cases occurring in these settings. The study highlights the need for heightened surveillance to monitor emerging pathogens like CRKP.
A new study published in Pain journal finds that acupuncture has little convincing evidence of effectiveness in reducing pain, while causing serious adverse effects. The authors call for better training of acupuncturists to minimize avoidable harm.
Researchers found that zeta toxins convert a compound required for bacterial cell wall synthesis into a poison that kills bacteria from within. The toxin-antitoxin systems, which are normally dormant under normal conditions, can be activated to trigger programmed cell death in response to stress.
Researchers found potentially pathogenic microbes on at least 50% of orthodontic retainers, with Candida and Staphylococcus species commonly present. Biofilms on the retainer can be difficult to remove and have high levels of resistance to antimicrobials.
Dr. Susan Huang and researchers from the Translational Research Prevention Epicenter - Harvard Pilgrim Health Care, Inc. will study prevention and treatment of hospital-borne microbial infections caused by MRSA and other pathogens. The goal is to identify effective strategies to reduce MRSA infection and hospitalization.
Research found that used woodwind and brass instruments are heavily contaminated with bacteria and fungi, including species of Staphylococcus and molds. Proper sanitation and regular cleaning are crucial to prevent the spread of illness and infection in children who play these instruments.
Researchers at Washington University School of Medicine are developing new approaches to reduce health-care-associated infections. Investigating the use of probiotics to prevent pneumonia in ventilated patients and evaluating the effectiveness of a new antibiotic in preventing Clostridium difficile infection are two key areas of focus.
Scientists at NIAID discovered how E. coli O157:H7 infects humans by altering the host's immune responses, allowing it to evade elimination and prolong survival. This mechanism could be relevant to other pathogens involved in foodborne diseases, such as Shigella and Salmonella.
Researchers at UTHealth discovered that children with asymptomatic H. pylori infections have lower iron levels compared to those without the infection. The study found that even in healthy children, the bacterium causes a decrease in iron storage, which may have long-term health consequences.
A recent study published in the American Journal of Infection Control found that community gym surfaces do not appear to be reservoirs for MRSA transmission. The researchers collected 240 samples from three local gyms and found none to be positive for MRSA or MSSA, suggesting that aggressive disinfection programs may not be warranted.
Researchers found that multi-drug tolerant organisms can form within days of infection in zebrafish and grow inside host macrophages, helping to promote the continuation of TB. Inexpensive drugs like verapamil may block tolerance mechanisms, potentially shortening treatment duration.
The Lancet Infectious Diseases article explores possible explanations for NDM-1 cases in Balkan countries. Authors suggest two hypotheses: independent emergence or import from the Indian subcontinent via medical tourism.
Researchers at the University of Liverpool identified a particularly virulent strain of Pseudomonas aeruginosa, known as the 'superbug', that causes aggressive infections in cystic fibrosis patients. The team used new DNA sequencing technology to understand how the bacteria adapts to infect patients and develop targeted treatments.
A new Johns Hopkins Children's study suggests that timely and proper wound cleaning and draining may be more important than the choice of antibiotic in treating MRSA skin infections. The researchers found that 95% of children recovered completely within a week, regardless of which antibiotic they received.
Scientists have identified a compound found in Eastern Red Cedar trees that effectively fights methicillin-resistant Staphylococcus aureus (MRSA) bacteria. The compound's discovery could lead to the development of new treatments for deadly MRSA infections, which are resistant to most medications.
A new anti-microbial collar is being designed to prevent bacterial infections associated with broken bones, reducing infection rates by up to 85%. The device aims to kill bacteria before they can spread, and could reduce NHS costs by avoiding complications.
Researchers have discovered a new way to combat methicillin-resistant Staphylococcus aureus (MRSA) by targeting the bacteria's RNA degradation process. The approach, which uses an inhibitor called RNPA1000, shows promise against MRSA biofilms and other antibiotic-resistant strains.
Researchers have discovered a novel molecular mechanism that triggers plant infection by Pseudomonas syringae, a bacterium responsible for bacterial speck in tomatoes. The two-gene system is an evolutionary innovation that has provided the bacteria with a selective advantage, allowing them to infect a wide range of plants.
A study published in American Journal of Infection Control found that MRSA screening in ICUs can be cost-effective and save hospitals money. The research estimated that the screening could result in savings of almost $500 per hospital admission under optimal assumptions.
A study by University of Illinois Chicago researchers found that certain strains of Listeria monocytogenes can invade the heart, leading to serious and difficult-to-treat cardiac infections. The bacteria display modified proteins that enable easier entry into cardiac cells, making them a new target for treatment.
Research reveals how Staphylococcus aureus bacteria adapt to evade the immune system and antibiotic treatments by forming small colony variants. These 'dormant forms' can persist within host cells for weeks, leading to relapsing infections.
A sub-population of Listeria monocytogenes displays enhanced cardiac tissue infectability, increasing the risk of serious cardiac disease. Diagnostic tests based on bacterial genetic markers could protect vulnerable groups.
Researchers have discovered a new method to fight bacterial infections associated with contact lenses, breaking apart molecular scaffolding that encases bacteria and reducing infection rates by 79.2%. The treatment has promising early results for treating microbial keratitis, cystic fibrosis, and severe burns.
A new company, Fixed Phage Limited, has been launched to commercialize technology developed at the University of Strathclyde to tackle bacterial infections and contamination. The technology uses bacteriophages, naturally occurring viruses that are non-toxic but effective against bacteria.
New research reveals that odontoblast cells in teeth orchestrate an immune response to protect against bacteria-induced decay. The cells produce proteins that down-regulate inflammation, protecting the underlying pulp from damage.
Research reveals erythropoietin (EPO) has contrasting influences on infectious and inflammatory diseases. EPO reduces the ability of the immune system to fight off systemic infections but decreases inflammation in non-infectious conditions.
A team led by Caroline Genco is studying the cellular mechanisms responsible for immune system activation and its link to chronic inflammation caused by persistent bacteria. The study focuses on two pathogens, Chlamydophila pneumoniae and Porphyromanas gingivalis, which can lead to atherosclerosis and other systemic diseases.
Scientists have developed a stable RNA nanoparticle that can power biological motors and resist enzyme breakdown, paving the way for RNA nanotechnology applications. This innovation could lead to new treatments for cancer, viral, and genetic diseases.
A University of Rochester Medical Center team has discovered an antibody that stops MRSA bacteria from growing, potentially leading to a vaccine. The researchers found that the antibody targets the glucosaminidase protein, breaking the bacteria's armor and preventing replication.
Recent research suggests that P. acnes within the body may be the cause of infections, contradicting previous assumptions about contamination from skin. This oversight could lead to incorrect diagnoses and complications if treated with the wrong bug.
Converting hospital ICUs to private rooms significantly reduces patient-acquired infections, including a 54% decrease in combined MRSA, VRE, and C difficile infections. The average ICU length of stay also decreases by an estimated 10% after transitioning to private rooms.
Bacteria, specifically Enterobacter hormaechei, found in excised atherosclerotic plaque tissue of patient who suffered a heart attack. The data suggest that chronic infection may underlie the process of atherosclerosis.
The Infectious Diseases Society of America has released its first-ever guidelines for the treatment of MRSA, which may mean not prescribing antibiotics for less complicated forms of infection. The guidelines address treatment of both common and invasive MRSA, a potentially deadly infection responsible for 18,000 deaths annually.
Hospitalized children in the US are experiencing a rise in Clostridium difficile infections, with increased risks of death, longer hospital stays and colectomy. Certain groups, such as white children and those with private insurance, are more susceptible to infection.
Researchers found 94% of samples contained bacterial remnants from previous infection, with seasonal differences between dry and rainy seasons. Environmental factors, such as cow dung and animal exposure, may contribute to the development of hydrocephalus.
Researchers at the University of Exeter have developed a new screen to isolate virulent parts of pathogenic bacteria, enabling quicker identification of key areas for vaccine development. The technique has been used to study Burkholderia pseudomallei, a deadly human disease-causing bacteria.
The innate immune system deploys two effective strategies to deal with invasive bacterial infections, including an emergency backup plan involving interleukin-1 beta (IL-1β), which stimulates white blood cell production. However, this backup system can also lead to chronic inflammation and organ damage if not managed properly.
Researchers recommend selective use of antibiotics to treat Acute Otitis Media in children, while employing watchful waiting in non-critical cases to combat treatment-resistant bacterial strains. The study aims to reduce the emergence of new resistant bacterial strains.
A study published in Journal of Medical Microbiology found that low-temperature plasma was effective in killing drug-resistant bacteria causing wound infections, and increased the rate of wound healing. Plasma therapy may offer a promising method to treat chronic wound infections where other approaches fail.
A new study published in Clinical Infectious Diseases found that cranberry juice had no significant effect on reducing the recurrence of urinary tract infections. Among participants who suffered a second infection, those who drank cranberry juice showed a higher recurrence rate compared to those who received a placebo.
A systematic review and meta-analysis found that second-hand smoke exposure doubles the likelihood of invasive meningococcal disease in children, with strongest effects seen in youngest age groups. The study suggests reducing second-hand smoke exposure can reduce deaths and illness caused by invasive bacterial diseases.
Researchers from NIH have discovered a specific protein, PSM-beta, that biofilms use for growth, detachment and dissemination. Interfering with this protein could provide a way to stop the spread of biofilm-associated infection.
Researchers have identified bacterial products that enable Staphylococcus epidermidis biofilms to detach from surfaces, leading to infection. Inhibiting these mechanisms could provide a new approach to preventing biofilm-associated infections.
Researchers have discovered a link between decreased alpha-2 integrin expression and increased tumor dissemination in breast and prostate cancer patients. Additionally, targeting blood vessel growth has been found to alleviate psoriasis symptoms by reducing angiogenesis.
A study of 10 nursing homes in California found that 31% of residents carried MRSA, with rates varying widely between facilities. The findings suggest that some nursing homes are effective in containing the bacteria, but more research is needed to understand their strategies.
Critically ill patients with bloodstream infections and pneumonia face a greatly increased risk of dying, but the impact of antimicrobial resistance on patient outcomes is relatively small. The study analyzed data from over 500 intensive care units in ten European countries, finding that infections directly worsen outcomes for patients.
A study published in Clinical Gastroenterology and Hepatology found that IBD patients with hospital-acquired infections experience increased mortality and prolonged hospital stays. The majority of infections among hospitalized IBD patients are health-care associated, with severe liver disease patients being at highest risk.
Researchers at the University of Gothenburg have discovered that superantigens, produced by staphylococcus bacteria, can activate the immune system in more ways than previously thought. This complex interaction may be behind several illnesses, including long-term wound infections and autoimmune disorders.
A study published in Immunity describes a mechanism by which an infected cell can alert neighboring uninfected cells, leading to amplified inflammation and enhanced immunity. This 'cell-to-cell communication' strategy enables the host to circumvent immunosuppressive bacterial activity and defeat invaders.
A study found that various types of C. difficile are now common across European hospitals, with an average incidence rate of 4.1 per 10,000 patients per day. The most prevalent types were 014/020, 001, and 078, with type 027 being less common in Europe compared to other regions.
Researchers discovered key differences in how E. coli bacteria behave in humans compared to mice, identifying potential targets for a vaccine. The study's findings could lead to the development of a vaccine that saves billions in healthcare costs and millions of doctor visits annually.
Researchers will discuss guidelines for food allergy diagnosis and management, as well as primary immunodeficiency diseases such as Job's syndrome and DOCK8 deficiency. The meeting also addresses atopic dermatitis, a chronic skin disorder associated with dry, itchy skin.
A joint research project is investigating why some C. difficile cases are more difficult to treat, and how genetic factors contribute to relapses. The study aims to identify key factors that indicate a higher risk of relapse and develop new treatment strategies.
A new analysis of old data suggests that bacterial infections associated with the 1918 influenza pandemic may be important in modern pandemics. The study confirms the importance of Streptococcus pneumoniae vaccines in preventing pneumonia and death, which could lead to reduced mortality rates in future outbreaks
Mice lacking CEACAM1 have excess neutrophils but suffer from accelerated mortality due to liver damage and severe tissue harm. These findings suggest that natural mechanisms restraining white blood cell proliferation are crucial in treating infectious and auto-inflammatory disorders.
A Purdue University study reveals that Listeria can pass between intestinal cells and trigger a mechanism to increase its ability to enter the cells. This allows the bacteria to cause infection even at low doses.