Results 141 to 150 of about 609 (153)
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Reproductive and developmental toxicity screening of polyhexamethylene guanidine phosphate by oral gavage in rats

Regulatory Toxicology and Pharmacology, 2019
Polyhexamethylene guanidine phosphate (PHMG-P) has effective antimicrobial activity against various microorganisms and has been widely used as a biocide in commercial products. However, its use as a humidifier disinfectant has provoked fatal idiopathic lung disease in South Korea, especially in pregnant or postpartum women and their young children ...
Jinsoo Lee   +10 more
openaire   +2 more sources

Guanidine-based disinfectants, polyhexamethylene guanidine-phosphate (PHMG-P), polyhexamethylene biguanide (PHMB), and oligo(2-(2-ethoxy)ethoxyethyl guanidinium chloride (PGH) induced epithelial-mesenchymal transition in A549 alveolar epithelial cells

Inhalation Toxicology, 2019
Abstracts Objective: The major active ingredient of humidifier disinfectant, polyhexamethylene guanidine-phosphate (PHMG-P), caused hundreds of deaths with pulmonary fibrosis. However, structurally similar guanidine-based disinfectants are still in use in various fields.
Yong Joo Park   +4 more
openaire   +2 more sources

MicroRNA regulatory networks reflective of polyhexamethylene guanidine phosphate-induced fibrosis in A549 human alveolar adenocarcinoma cells

Toxicology Letters, 2018
Polyhexamethylene guanidine phosphate (PHMG-phosphate), an active component of humidifier disinfectant, is suspected to be a major cause of pulmonary fibrosis. Fibrosis, induced by recurrent epithelial damage, is significantly affected by epigenetic regulation, including microRNAs (miRNAs).
Da Young, Shin   +4 more
openaire   +2 more sources

Human exposure to polyhexamethylene guanidine phosphate from humidifiers in residential settings: Cause of serious lung disease

Toxicology and Industrial Health, 2017
Exposure to the humidifier disinfectant, polyhexamethylene guanidine phosphate (PHMG), in mists generated from ultrasonic humidifiers was studied in a simulation chamber and apartment rooms. PHMG is suspected as a causative agent of lung disease in Korea residences.
Ji Hyun, Lee, Il Je, Yu
openaire   +2 more sources

Polyhexamethylene guanidine phosphate-induced upregulation of MUC5AC via activation of the TLR-p38 MAPK and JNK axis

Chemico-Biological Interactions, 2019
Epidemiological and toxicological studies indicate that polyhexamethylene guanidine phosphate (PHMG-p) is a guanidine-based cationic disinfectant strongly associated with interstitial lung diseases. As individuals exposed to aerosolized PHMG-p complain of respiratory problems (asthma and rhinitis), whether PHMG-p can cause respiratory diseases other ...
Mi Ho Jeong   +3 more
openaire   +2 more sources

Polyhexamethylene guanidine phosphate induces pyroptosis via reactive oxygen species-regulated mitochondrial dysfunction in bronchial epithelial cells

Toxicology
Pyroptosis is a form of programmed cell death characterized by gasdermin (GSDM)-mediated pore formation in the cell membrane, resulting in the release of pro-inflammatory cytokines and cellular lysis. Increasing evidence has shown that pyroptosis is responsible for the progression of various pulmonary disorders.
Jun Young, Park   +5 more
openaire   +2 more sources

The role of NF-κB signaling pathway in polyhexamethylene guanidine phosphate induced inflammatory response in mouse macrophage RAW264.7 cells

Toxicology Letters, 2015
Polyhexamethylene guanidine (PHMG) phosphate is a competitive disinfectant with strong antibacterial activity. However, epidemiologists revealed that inhaled PHMG-phosphate may increase the risk of pulmonary fibrosis associated with inflammation, resulting in the deaths of many people, including infants and pregnant women.
Ha Ryong, Kim   +2 more
openaire   +2 more sources

P20-10 A new murine liver fibrosis model induced by polyhexamethylene guanidine-phosphate

Toxicology Letters, 2022
K.T. Nam   +7 more
openaire   +1 more source

Toxic responses to polyhexamethylene guanidine phosphate in cytoplasmic organelles

Toxicology Letters, 2017
In Jae Bang   +4 more
openaire   +1 more source

Polyhexamethylene guanidine-phosphate enhances pro-coagulant activity of human erythrocytes and venous thrombosis in rats through phosphatidylserine externalization

Journal of Hazardous Materials
Polyhexamethylene guanidine-phosphate (PHMG-p) is a main compound used as a humidifier disinfectant, but the systemic health effects of PHMG-p still need to be explored. The circulatory and blood system is the organ that comes into contact with compounds absorbed into the body after inhalation exposure, resulting in various health problems, including ...
Sungbin Choi   +6 more
openaire   +2 more sources

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