C Diff Molecular

Clinical manifestations of the infection caused by #Cdiff can vary. #GITwitter #IDTwitter #guthealth pic.twitter.com/fLYURwSRCD— Microbiome Science (@MbiomeScience) May 31, 2023

Introduction: Clostridioides difficile infection (CDI) is the most common healthcare-associated infection in the US. Symptoms include watery diarrhea, nausea, and anorexia and it can present with leukocytosis on laboratory evaluation. Treatment is based on disease severity and recurrence. Despite antibiotic usage being the highest risk factor for infection, they are also the first-line treatment for initial CDI. Prevention of CDI mostly involves good hand hygiene, antibiotic stewardship, and appropriate precautions when interacting with infected individuals. Vitamin D deficiency (VDD) has been linked to CDI, however, there is limited insight into the correlation between both states. Our aim was to further investigate the potential link between VDD and CDI. Methods: Data were obtained from the National Inpatient Sample (NIS) from 2016 to 2019. Patients with CDI were identified and stratified based on a diagnosis of VDD. Primary outcomes were mortality, CDI recurrence, ileus, toxic megacolon, perforation, and colectomy. Chi-squared and independent t-tests were performed to assess categorical and continuous data, respectively. Multiple logistic regression was used to control for confounders. Results: Patients with VDD had higher rates of CDI recurrence (17.4% versus 14.7%, p<0.05), but lower rates of mortality (3.1% versus 6.1%, p<0.05). Differences in rates of ileus, toxic megacolon, perforation, and colectomy were statistically insignificant. Length of stay was higher in the VDD group (10.38 days versus 9.83 days). Total charges were lower in the VDD group ($93,935.85 versus $102,527.9). Discussion: CDI patients with comorbid VDD are at higher risk for the recurrence of CDI. This is likely due to the role of vitamin D in the expression of intestinal epithelial antimicrobial peptides, macrophage activation, and maintenance of tight junctions between gut epithelial cells. Furthermore, vitamin D plays a role in maintaining a healthy gut microbiome. Alternatively, deficiency results in poor gut health and detrimental changes to the gut microbiome. In effect, VDD promotes the proliferation of C. difficile within the large colon, resulting in an increased predisposition for CDI.

Scientific Reports - The impact of vitamin D3 supplementation on the faecal and oral microbiome of dairy calves indoors or at pasture

Introduction: Clostridioides difficile infection (CDI) is the most common healthcare-associated infection in the US. Symptoms include watery diarrhea, nausea, and anorexia and it can present wit...

Clostridioides difficile (C. difficile)and coronavirus disease 2019 (COVID-19) infections can have overlapping symptoms. Recently, the association and outcomes of coinfection have been studied. We present the case of an 83-year-old lady with Parkinson's disease (PD) who was admitted wi …

Clostridioides difficile (C. difficile)and coronavirus disease 2019 (COVID-19) infections can have overlapping symptoms. Recently, the association and outcomes of coinfection have been studied. We present the case of an 83-year-old lady with Parkinson's disease (PD) who was admitted wi …

Make sure to join the IBD update including the link between #cdiff and #IBD on 7th June 2023 @ Crowne Plaza Sheffield with @ThoufeeqMo Dr Phil Smith and @anjan_dhar6 Looking forward to it! pic.twitter.com/drNz6bBW5Y— Sheffield Gastro (@shefgastro) May 31, 2023

Interactions between medical interventions, pediatric hosts and microbial communities may be responsible for these consistent microbiota signatures that predict infections. A future multi-center investigation will be needed to demonstrate whether these ratios can be generalized to other pediatric co …

Non-alcoholic fatty liver disease (NAFLD), the most common chronic liver disease, had no approved pharmacological agents yet. Obeticholic acid (OCA), a novel bile acid derivative, was demonstrated to ameliorate NAFLD-related manifestations. Regarding the role of gut-liver axis in liver disease devel …

Experts provide an overview of the gut microbiome and its importance to nutrition and overall health.

This study aimed to research the involvement of enterotoxigenic E. coli (ETEC) and C. difficile or C. perfringens type C in the aetiology of neonatal piglet diarrhoea in Greece and to identify preventive factors for them. A total of 78 pooled faecal samples were collected random …

A new study published in the peer-reviewed OMICS: A Journal of Integrative Biology identified genes for virulence and antimicrobial resistance in two bacteria that co-occur with C. difficile, suggesting these pathogens as emerging potential threats in planetary health.

The alternative σ factor TcdR controls the synthesis of two major enterotoxins: TcdA and TcdB in Clostridioides difficile. Four potential TcdR-dependent promoters in the pathogenicity locus of C. difficile showed different activities. In this study, we constructed a heterologous system …

Researchers uncover characteristics of ARE-ABCF proteins in three bacterial species, shedding light on their function and potent combined resistance.

A new study published in the peer-reviewed OMICS: A Journal of Integrative Biology identified genes for virulence and antimicrobial resistance in two

A new study published in OMICS: A Journal of Integrative Biology has identified genes for virulence and antimicrobial resistance in two bacteria that co-occur with C. difficile, suggesting these pathogens ...

Much of our current knowledge about cellular RNA-protein complexes in bacteria is derived from analyses in gram-negative model organisms, with the discovery of RNA-binding proteins (RBPs) generally lagging behind in Gram-positive species. Here, we have applied Grad-seq analysis of native RNA-protein …

Clostridioides difficile infection associated to gut microbiome dysbiosis is the leading cause for nosocomial diarrhea. The ability of C. difficile to form biofilms has been progressively linked to its pathogenesis as well as its persistence in the gut. Although C. difficile has …

Based on these findings, we conclude that clpC plays a role in the virulence properties of C. difficile.

Clostridioides difficile (CD) is a major planetary health burden. A Gram-positive opportunistic pathogen, CD, colonizes the large intestine and is implicated in sepsis, pseudomembranous colitis, and colorectal cancer. C. difficile infection typically following antibiotic exposure resul …

logic mutations leading to clonal hematopoiesis (CH) may further increase vulnerability to adverse sequelae. This review summarizes the available literature examining genetic predispositions to severe COVID-19 and describes how these findings could eventually be used to improve its clinical management. DATA SOURCES: A PubMed literature search was performed. STUDY SELECTION: Studies examining the significance of inherited genetic variation or acquired CH mutations in severe COVID-19 were selected for inclusion. DATA EXTRACTION: Relevant genetic association data and aspects of study design were qualitatively assessed and narratively synthesized. DATA SYNTHESIS: Genetic variants affecting inflammatory responses may increase susceptibility to severe COVID-19. Genome-wide association studies and candidate gene approaches have identified a list of inherited mutations, which likely alter cytokine and interferon secretion, and lung-specific mechanisms of immunity in COVID-19. The potential role of CH in COVID-19 is more uncertain at present; however, the available evidence suggests that the various types of acquired mutations and their differential influence on immune cell function must be carefully considered. CONCLUSIONS: The current literature supports the hypothesis that host genetic factors affect vulnerability to severe COVID-19. Further research is required to confirm the full scope of relevant variants and the causal mechanisms underlying these associations. Clinical approaches, which consider the genetic basis of interindividual variability in COVID-19 and potentially other causes of critical illness, could optimize hospital resource allocation, predict responsiveness to treatment, identify more efficacious drug targets, and ultimately improve outcomes....

Sow colostrum has been reported to protect the IPEC-J2 cells and piglet colon tissues from detrimental effect of Clostridioides difficile toxins. Since dietary fibre can influence the colostrum composition in sows, we hypothesised that it can also differentially affect the colostrum potential agains …

#Cdiff is known to colonize in the large intestine of humans. #guthealth #GITwitter #IDTwitter pic.twitter.com/cmi7ySohdi— Microbiome Science (@MbiomeScience) May 17, 2023

Biology student Paige Hopkinson has been awarded the new One Health Summer Research Studentship, a partnership between the Global Nexus School for Pandemic Prevention and Response at McMaster and the University of Guelph's One Health Institute.

A species of ordinary gut bacteria that we all carry flourishes when the intestinal flora is knocked out by a course of antibiotics. Since the bacteria is naturally resistant to many antibiotics, it causes problems, particularly in healthcare settings. A study led by Lund University in Sweden now sh

Nature Reviews Microbiology - In this Review, Carmody and Bisanz examine the role of the gut microbiome in energy metabolism, the two-way relationship between the gut microbiome and weight...

Clostridioides difficile (CD) is a major planetary health burden. A Gram-positive opportunistic pathogen, CD, colonizes the large intestine and is implicated in sepsis, pseudomembranous colitis, and colorectal cancer. C. difficile infection typically following antibiotic exposure resul …

Using a diverse human gut community, researchers investigated how gut microbiota interspecies interactions affected the response of Clostridioides difficile to vancomycin and metronidazole.

This study examines how interactions between constituent members of the human gut microbiome influence the pathogen C. difficile’s response to clinically relevant antibiotics, providing key insights into ecological principles and molecular mechanisms that influence antibiotic susceptibility in this health-relevant system.