Results 31 to 40 of about 6,848 (195)

Aerosolization inhalation of non-typeable Haemophilus influenzae outer membrane vesicles contributing to neutrophilic asthma

open access: yesFrontiers in Microbiology, 2023
BackgroundNeutrophilic asthma is poorly responsive to corticosteroids, and the mechanism underlying its pathogenesis remains unclear. Non-typeable Haemophilus influenzae (NTHi) is the most common bacterium found in induced sputum from patients with ...
Ying Zhang   +4 more
doaj   +1 more source

Opposing roles of PAK2 and PAK4 in synergistic induction of MUC5AC mucin by bacterium NTHi and EGF

open access: yesBiochemical and Biophysical Research Communications, 2007
Hirofumi Kai, Huang Yuxian, Chen Yan
exaly   +2 more sources

Molecular surveillance of true nontypeable Haemophilus influenzae: an evaluation of PCR screening assays. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: Unambiguous identification of nontypeable Haemophilus influenzae (NTHi) is not possible by conventional microbiology. Molecular characterisation of phenotypically defined NTHi isolates suggests that up to 40% are Haemophilus haemolyticus (Hh);
Michael J Binks   +8 more
doaj   +1 more source

Nontypeable Haemophilus influenzae Responds to Virus-Infected Cells with a Significant Increase in Type IV Pilus Expression

open access: yesmSphere, 2020
Nontypeable Haemophilus influenzae (NTHI) colonizes the human nasopharynx, but when the host immune response is dysregulated by upper respiratory tract (URT) virus infection, NTHI can gain access to more distal airway sites and cause disease.
Elaine M. Mokrzan   +3 more
doaj   +1 more source

The role of NTHi colonization and infection in the pathogenesis of neutrophilic asthma

open access: yesRespiratory Research, 2020
Asthma is a complex heterogeneous disease. The neutrophilic subtypes of asthma are described as persistent, more severe and corticosteroid-resistant, with higher hospitalization and mortality rates, which seriously affect the lives of asthmatic patients.
Jing Zhang   +11 more
semanticscholar   +1 more source

The Role of Non-Typeable Haemophilus influenzae Biofilms in Chronic Obstructive Pulmonary Disease

open access: yesFrontiers in Cellular and Infection Microbiology, 2021
Non-typeable Haemophilus influenzae (NTHi) is an ubiquitous commensal-turned-pathogen that colonises the respiratory mucosa in airways diseases including Chronic Obstructive Pulmonary Disease (COPD).
Jake R. Weeks   +9 more
doaj   +1 more source

Nocturnal Cerebral Oxygenation in Low-Altitude Residents With Pulmonary Vascular Disease Staying Overnight at High Altitude. Data From a Randomized, Controlled, Crossover Trial. [PDF]

open access: yesPulm Circ
ABSTRACT Whether hypoxia during popular high‐altitude travel negatively affects cerebral oxygenation in vulnerable patients with pulmonary vascular disease (PVD) is unknown. We studied overnight cerebral tissue oxygen saturation (CTO) and desaturation index (cODI) in PVD‐patients at 2500 m and effects of supplemental oxygen therapy (SOT).
Kränzle C   +15 more
europepmc   +2 more sources

Intranasal immunization with nontypeable Haemophilus influenzae outer membrane vesicles induces cross-protective immunity in mice. [PDF]

open access: yesPLoS ONE, 2012
Haemophilus influenzae is a Gram-negative human-restricted bacterium that can act as a commensal and a pathogen of the respiratory tract. Especially nontypeable H.
Sandro Roier   +8 more
doaj   +1 more source

Models of NTHi lactate dehydrogenase functions and NTHi carbon source utilization during tissue cell infection.

open access: yes, 2022
A: Functions of lactate dehydrogenases in NTHi strains. bd = bd-oxidase, TR = terminal reductase, MQ/MQH2 –menaquinone/menaquinol B: Model of carbon sources used by NTHi strains during infection of human epithelial cells.
Ama-Tawiah Essilfie (313146)   +9 more
core   +1 more source

Nontypeable Haemophilus influenzae invasion and persistence in the human respiratory tract

open access: yesFrontiers in Cellular and Infection Microbiology, 2011
Nontypeable Haemophilus influenzae (NTHI) is an opportunistic bacterial pathogen of the human respiratory tract and is a leading cause of respiratory infections in children and adults.
Cara eClementi, Timothy eMurphy
doaj   +1 more source

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