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Cough and phlegm frequently occur in respiratory diseases like upper respiratory tract infections, acute bronchitis, and chronic obstructive pulmonary diseases. To relieve these symptoms and diseases, various ingredients are being used despite the debates on their clinical efficacy. We aimed to investigate the effects of the extract CKD-497, composed of Atractylodis Rhizoma Alba and Fructus Schisandrae, in relieving cough and facilitating expectoration of phlegm. CKD-497 was found to inhibit inflammatory mediators such as interleukin-8 (IL-8) and tumor necrosis factor α (TNF-α) in lipopolysaccharide (LPS)-treated mouse macrophages and transient receptor potential cation channel 1 (TRPV-1)-overexpressed human bronchial epithelial cells stimulated by capsaicin. CKD-497 decreased the viscosity of the mucin solution. During in vivo experiments, CKD-497 reduced coughing numbers and increased expectoration of phlegm via mucociliary clearance enhancement. Collectively, these data suggest that CKD-497 possesses potential for cough and phlegm expectoration treatment.
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http://dx.doi.org/10.3390/molecules25133064 | DOI Listing |
J Chromatogr B Analyt Technol Biomed Life Sci
September 2025
Center of Scientific Research, Basic Medical Science College, Qiqihar Medical University, Qiqihar, Heilongjiang Province,161006, China; Key Laboratory of Homology of Medicine and Food Resources and Metabolic Disease Prevention and Treatment of Heilongjiang Province, Qiqihar, Heilongjiang Province,16
Wendan Decoction (WDD), a classic formula for the expectoration of phlegm, has been acknowledged for the management of chronic obstructive pulmonary disease (COPD). Nevertheless, the therapeutic components and mechanism of WDD in COPD remain elusive. Hence, an analytical strategy for extensive investigation of the constituents in WDD combining UFLC-ESI-Q/TOF-MS and subsequent network pharmacology was conducted, and the appropriate preparation of bio-samples was involved with mechanistic bioanalysis including multi-technique metabolomics and molecular biological means, that pivotal factors such as PTGS2, arachidonic acid (AA) metabolism, and PI3K-AKT signaling pathway were recommended as potential central elements for the anti-COPD effects.
View Article and Find Full Text PDFBMC Pulm Med
August 2025
Respiratory Department, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center of Respiratory Diseases, National Center for Children's Health, Beijing, China.
Objective: To evaluate the efficacy and safety of inhaled ambroxol solution in improving sputum of lower respiratory tract infections (LRTIs) in children.
Study Design: This study was a randomized, double-blind, parallel-group, placebo-controlled, multicenter trial. The patients were administered inhaled ambroxol or a placebo twice a day for 7 days.
J Ethnopharmacol
August 2025
Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, 210029, China. Electronic address:
Ethnopharmacological Relevance: COPD, marked by coughing, sputum production, and wheezing, is categorized as "Lung Distension" in Traditional Chinese Medicine (TCM). The combined use of Suzi Jiangqi Decoction and Sanzi Yangqin Decoction, known as Jia Wei Su Zi Jiang Qi Formula (JWSZJQF), is a common treatment for Lung Distension with phlegm accumulation in the lungs. It is particularly effective for symptoms like excessive phlegm and chest tightness.
View Article and Find Full Text PDFCureus
July 2025
Clinical Laboratory/Morphology, Qingdao Public Health Clinical Center, Qingdao, CHN.
bacteria primarily enter the human body through the respiratory tract or open wounds, leading to suppurative infections. These infections are more prevalent in individuals with compromised immune systems and can affect the lungs, resulting in pulmonary nocardiosis. The bacteria may also disseminate via the bloodstream to adjacent tissues or infect various organs.
View Article and Find Full Text PDFInt J Immunopathol Pharmacol
June 2025
Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Center of Respiratory Medicine, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China.
Tyrosine kinase 2 (TYK2) deficiency is a rare primary immunodeficiency disease (PID). Patients carry TYK2 gene mutations and suffer from recurrent infections by intracellular pathogens, including mycobacteria. Delayed diagnosis often hinders timely and effective treatment, resulting in poor prognosis.
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