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Hata K, Tsubouchi K, Suzuki K, Eto D, Ando H, Yanagihara T, Kan-O K, Okamoto I. Surfactant protein D prevents mucin overproduction in airway goblet cells via SIRPα. Sci Rep 2024; 14:1799. [PMID: 38245585 PMCID: PMC10799941 DOI: 10.1038/s41598-024-52328-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/17/2024] [Indexed: 01/22/2024] Open
Abstract
Mucin overproduction is a common feature of chronic airway diseases such as asthma and chronic obstructive pulmonary disease (COPD), and exacerbates their underlying respiratory condition. Surfactant protein D (SP-D) protects against airway diseases through modulation of immune reactions, but whether it also exerts direct effects on airway epithelial cells has remained unclear. Therefore, we sought to investigate the inhibitory role of SP-D on mucin production in airway epithelial cells. We prepared air-liquid interface (ALI) cultures of human primary bronchial epithelial cells (HBECs), which recapitulated a well-differentiated human airway epithelium. Benzo(a)pyrene (BaP), a key toxicant in cigarette smoke, induced mucin 5AC (MUC5AC) production in ALI-cultured HBECs, airway secretory cell lines, and airway epithelia of mice. Then, the protective effects of SP-D against the BaP-induced mucin overproduction were examined. BaP increased MUC5AC production in ALI cultures of HBECs, and this effect was attenuated by SP-D. SP-D also suppressed the BaP-induced phosphorylation of extracellular signal-regulated kinase (ERK) and MUC5AC expression in NCI-H292 goblet-like cells, but not in NCI-H441 club-like cells. Signal regulatory protein α (SIRPα) was found to be expressed in HBECs and NCI-H292 cells but absent in NCI-H441 cells. In NCI-H292 cells, SP-D activated SH2 domain-containing tyrosine phosphatase-1 (SHP-1), downstream of SIRPα, and knockdown of SIRPα abolished the suppressive effects of SP-D on BaP-induced ERK phosphorylation and MUC5AC production. Consistent with these in vitro findings, intratracheal instillation of SP-D prevented the BaP-induced phosphorylation of ERK and Muc5ac expression in airway epithelial cells in a mouse model. SP-D acts directly on airway epithelial cells to inhibit mucin secretion through ligation of SIRPα and SHP-1-mediated dephosphorylation of ERK. Targeting of SIRPα is therefore a potential new therapeutic approach to suppression of mucin hypersecretion in chronic airway diseases such as COPD and asthma.
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Affiliation(s)
- Kentaro Hata
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Kazuya Tsubouchi
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan.
| | - Kunihiro Suzuki
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Daisuke Eto
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Hiroyuki Ando
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Toyoshi Yanagihara
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Keiko Kan-O
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Isamu Okamoto
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
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Jo SJ, Bae SH, Huang Z, Lee S, Lee CB, Chae SU, Park JB, Kwon M, Chung HK, Bae SK. Benzisothiazolinone: Pharmacokinetics, Tissue Distribution, and Mass Balance Studies in Rats. Metabolites 2023; 13:metabo13050584. [PMID: 37233625 DOI: 10.3390/metabo13050584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/27/2023] Open
Abstract
Humans are continuously exposed to benzisothiazolinone (BIT), which is used as a preservative, through multiple routes. BIT is known to be a sensitizer; in particular, dermal contact or aerosol inhalation could affect the local toxicity. In this study, we evaluated the pharmacokinetic properties of BIT in rats following various routes of administration. BIT levels were determined in rat plasma and tissues after oral inhalation and dermal application. Although the digestive system rapidly and completely absorbed orally administered BIT, it underwent severe first-pass effects that prevented high exposure. In an oral dose escalation study (5-50 mg/kg), nonlinear pharmacokinetic properties showed that Cmax and the area under the curve (AUC) increased more than dose proportionality. In the inhalation study, the lungs of rats exposed to BIT aerosols had higher BIT concentrations than the plasma. Additionally, the pharmacokinetic profile of BIT after the dermal application was different; continuous skin absorption without the first-pass effect led to a 2.13-fold increase in bioavailability compared with oral exposure to BIT. The [14C]-BIT mass balance study revealed that BIT was extensively metabolized and excreted in the urine. These results can be used in risk assessments to investigate the relationship between BIT exposure and hazardous potential.
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Affiliation(s)
- Seong Jun Jo
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
| | - Soo Hyeon Bae
- Korea Institute of Radiological & Medical Sciences, Nowon-ro 75, Nowon-gu, Seoul 01812, Republic of Korea
| | - Zhouchi Huang
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
| | - Sangyoung Lee
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
| | - Chae Bin Lee
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
| | - Soon Uk Chae
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
| | - Jung Bae Park
- Korea Institute of Radiological & Medical Sciences, Nowon-ro 75, Nowon-gu, Seoul 01812, Republic of Korea
| | - Mihye Kwon
- Korea Institute of Radiological & Medical Sciences, Nowon-ro 75, Nowon-gu, Seoul 01812, Republic of Korea
| | - Hye Kyung Chung
- Korea Institute of Radiological & Medical Sciences, Nowon-ro 75, Nowon-gu, Seoul 01812, Republic of Korea
| | - Soo Kyung Bae
- College of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Gyeonggi-do, Republic of Korea
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Analytical Method Development of Benzisothiazolinone, a Biocide, Using LC-MS/MS and a Pharmacokinetic Application in Rat Biological Matrices. Molecules 2023; 28:molecules28020845. [PMID: 36677902 PMCID: PMC9865692 DOI: 10.3390/molecules28020845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/07/2023] [Accepted: 01/12/2023] [Indexed: 01/17/2023] Open
Abstract
Benzisothiazolinone (BIT), a biocide widely used as a preservative in household cleaning and personal care products, is cytotoxic to lung cells and a known skin allergen in humans, which highlights the importance of assessing its toxicity and pharmacokinetics. In this study, a simple, sensitive, and accurate LC−MS/MS method for the quantification of BIT in rat plasma, urine, or tissue homogenates (50 μL) using phenacetin as an internal standard was developed and validated. Samples were extracted with ethyl acetate and separated using a Kinetex phenyl−hexyl column (100 × 2.1 mm, 2.6 μm) with isocratic 0.1% formic acid in methanol and distilled water over a run time of 6 min. Positive electrospray ionization with multiple reaction monitoring transitions of m/z 152.2 > 134.1 for BIT and 180.2 > 110.1 for phenacetin was used for quantification. This assay achieved good linearity in the calibration ranges of 2−2000 ng/mL (plasma and urine) and 10−1000 ng/mL (tissue homogenates), with r ≥ 0.9929. All validation parameters met the acceptance criteria. BIT pharmacokinetics was evaluated via an intravenous and dermal application. This is the first study that evaluated BIT pharmacokinetics in rats, providing insights into the relationship between BIT exposure and toxicity and a basis for future risk assessment studies in humans.
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Klupczynska A, Plewa S, Dereziński P, Garrett TJ, Rubio VY, Kokot ZJ, Matysiak J. Identification and quantification of honeybee venom constituents by multiplatform metabolomics. Sci Rep 2020; 10:21645. [PMID: 33303913 PMCID: PMC7729905 DOI: 10.1038/s41598-020-78740-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/27/2020] [Indexed: 02/06/2023] Open
Abstract
Honeybee (Apis mellifera) venom (HBV) has been a subject of extensive proteomics research; however, scarce information on its metabolite composition can be found in the literature. The aim of the study was to identify and quantify the metabolites present in HBV. To gain the highest metabolite coverage, three different mass spectrometry (MS)-based methodologies were applied. In the first step, untargeted metabolomics was used, which employed high-resolution, accurate-mass Orbitrap MS. It allowed obtaining a broad overview of HBV metabolic components. Then, two targeted metabolomics approaches, which employed triple quadrupole MS, were applied to quantify metabolites in HBV samples. The untargeted metabolomics not only confirmed the presence of amines, amino acids, carbohydrates, and organic acids in HBV, but also provided information on venom components from other metabolite classes (e.g., nucleosides, alcohols, purine and pyrimidine derivatives). The combination of three MS-based metabolomics platforms facilitated the identification of 214 metabolites in HBV samples, among which 138 were quantified. The obtaining of the wide free amino acid profiles of HBV is one of the project’s achievements. Our study contributed significantly to broadening the knowledge about HBV composition and should be continued to obtain the most comprehensive metabolite profile of HBV.
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Affiliation(s)
- Agnieszka Klupczynska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780, Poznan, Poland.
| | - Szymon Plewa
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780, Poznan, Poland
| | - Paweł Dereziński
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780, Poznan, Poland
| | - Timothy J Garrett
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Vanessa Y Rubio
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Zenon J Kokot
- Faculty of Health Sciences, Calisia University - Kalisz, Poland, 62-800, Kalisz, Poland
| | - Jan Matysiak
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780, Poznan, Poland
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