The Role of Staphylococcus aureus in Patients with Chronic Sinusitis and Nasal Polyposis
AbstractPurpose of ReviewStaphylococcus aureus (S. aureus) is correlated with the development of persistent severe inflammatory disease of the upper airway including chronic rhinosinusitis with nasal polyps (CRSwNP). The presence ofS. aureus is associated with atopic disease including allergic rhinitis and atopic dermatitis and is associated with poor outcomes.Recent FindingsSeveral different strains ofS. aureus generate different toxins and gene products that can account for organism pathogenicity.S. aureus bacteria and its antigens shape the bacterial and fungal microbiome and the mucosal niche which generates host responses that can account for inflammation. The multiple disease phenotypes and molecular endotypes seen in CRSwNP can be characterized by T-helper cell environment within the inflammatory milieu, the presence of epithelial barrier dysfunction, aberrant eicosanoid metabolism, poor wound healing, and dysfunctional host-bacteria interactions which lead to recalcitrant disease and worse surgical outcomes.SummaryUnderstanding the pathomechanisms thatS. aureus utilizes to promote nasal polyp formation, prolonged tissue inflammation, and bacterial dysbiosis are essential in our efforts to identify new therapeutic approaches to resolve this chronic inflammatory process.
Boosting the sensitivity of in vitroβ-lactam allergy diagnostic tests. Chem Commun (Camb). 2020 Oct 14;56(80):11973-11976 Authors: Peña-Mendizabal E, Morais S, Maquieira Á Abstract The synthesis of structurally new haptens and the development of suitable antigens are essential for boosting the sensitivity of drug allergy diagnostic testing. Unprecedented structural antigens for benzylpenicillin and amoxicillin are characterised and evaluated in a cohort of 70 subjects with a turnkey solution based on consumer electronics. PMID: 33033809 [PubMed - in process]
Publication date: October 2020Source: Brain, Behavior, and Immunity, Volume 89Author(s): Xiaoqin Liu, Trine Munk-Olsen, Clara Albiñana, Bjarni J. Vilhjálmsson, Emil M. Pedersen, Vivi Schlünssen, Marie Bækvad-Hansen, Jonas Bybjerg-Grauholm, Merete Nordentoft, Anders D. Børglum, Thomas Werge, David M. Hougaard, Preben B. Mortensen, Esben Agerbo
AbstractPurposeTo investigate the efficacy and safety of bencycloquidium bromide nasal spray (BCQB) in patients with persistent allergic rhinitis (PAR).MethodsWe enrolled 720 patients from 15 hospitals across China and randomly assigned them into BCQB group or placebo group (90 μg per nostril qid) to receive a 4-week treatment. Visual analog scale (VAS) for rhinorrhea, sneezing, nasal congestion, itching and overall symptoms were recorded by patients every day. Anterior rhinoscopy scoring was completed by doctors on every visit. Adverse events were recorded in detail.ResultsA total of 354 and 351 patients were inc...
Publication date: Available online 9 October 2020Source: The Journal of Allergy and Clinical Immunology: In PracticeAuthor(s): Manuel Jorge Rial, Marcela Valverde, Victoria del Pozo, Francisco Javier González-Barcala, Carlos Martínez-Rivera, Xavier Muñoz, José María Olaguibel, Vicente Plaza, Elena Curto, Santiago Quirce, Pilar Barranco, Javier Domínguez-Ortega, Joaquin Mullol, César Picado, Antonio Valero, Irina Bobolea, Ebymar Arismendi, Paula Ribó, Joaquín Sastre
Conclusion: Existing evidence shows that TFM is safe and effective for AR. Due to the universal low quality of the eligible trials and low evidence level, we should draw our conclusions with caution. Therefore, clinical researchers should carry out more large-sample, multicentre, high-quality randomized controlled clinical trials in the future to verify the clinical efficacy of TFM in treating AR. PMID: 33029169 [PubMed]
This study investigated antibacterial-producing Streptomyces isolated from the gut of estuarine fish Chanos chanos, emphasizing screening for the producer of peptide-containing antibacterial compounds. Eighteen isolates were found during preliminary screening, in which four isolates showed the best antibacterial activities. Based on the morphological, physiological, and biochemical characterization, as well as 16S rRNA partial sequencing, all of the four isolates belonged to Streptomyces. Three isolates were suspected as novel isolate candidates based on homology presentations and phylogenetic tree analysis. Disk-diffusion...
Publication date: Available online 9 October 2020Source: Colloids and Surfaces B: BiointerfacesAuthor(s): Cezhi Du, Chengyong Wang, Jianbo Sui, Lijuan Zheng
Purpose of Study: Explore the perceptions of primary care physicians (PCPs) from community health care centers (CHCs) in Franklin County, Ohio, regarding factors that contribute to their inability to consistently provide sustainable asthma management services to their uninsured patient population. Primary Practice Setting: Asthmatic patients are not consistently receiving sustainable asthma management in CHCs in Ohio. Primary care physicians in CHCs play a pivotal role in closing health care gaps for asthmatic patients. To minimize the barriers that impede the efforts of PCPs to control asthma for their uninsured pati...
CONCLUSION: There is a high prevalence of MRSA causing abscesses in the Hispanic population evaluated in an ED in Puerto Rico. Systemic antibiotic use for the treatment of skin abscesses after incision and drainage remains high despite published guidelines arguing against their widespread use. Clindamycin resistance in our patient population appears to be more frequent than previously reported. PMID: 33031694 [PubMed - as supplied by publisher]
CONCLUSION: Our study provides additional evidence to help design allergy interventions. PMID: 33031690 [PubMed - as supplied by publisher]