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Pan D, Guo J, Wu S, Wang H, Wang J, Wang C, Gu Y. Association of secondhand smoke exposure with all-cause mortality and cardiovascular death in patients with hypertension: Insights from NHANES. Nutr Metab Cardiovasc Dis 2024; 34:1779-1786. [PMID: 38658224 DOI: 10.1016/j.numecd.2024.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 03/06/2024] [Accepted: 03/08/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND AND AIM The impact of environmental chemical exposure on blood pressure (BP) is well-established. However, the relationship between secondhand smoke exposure (SHSE) and mortality in hypertensive patients in the general population remains unclear. METHODS AND RESULTS This cohort study included US adults in the National Health and Nutrition Examination Survey from 2007 to 2018. All-cause mortality and cause-specific mortality outcomes were determined by associating them with the National Death Index records. Cox proportional risk models were used to estimate hazard ratios (HRs) for all-cause mortality and cardiovascular disease (CVD) mortality, and 95% confidence intervals (CIs) for SHSE. The cohort included 10,760 adult participants. The mean serum cotinine level was 0.024 ng/mL. During a mean follow-up period of 76.9 months, there were 1729 deaths, including 469 cardiovascular disease deaths recorded. After adjusting for lifestyle factors, BMI, hypertension duration, medication use, and chronic disease presence, the highest SHSE was significantly associated with higher all-cause and CVD mortality. CONCLUSIONS This study demonstrates that higher SHSE is significantly associated with higher all-cause mortality and CVD mortality. Further research is necessary to elucidate the underlying mechanisms.
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Affiliation(s)
- Dikang Pan
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Julong Guo
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Sensen Wu
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Hui Wang
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Jingyu Wang
- Renal Division, Peking University First Hospital, Beijing, China.
| | - Cong Wang
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Yongquan Gu
- Vascular Department, Xuanwu Hospital, Capital Medical University, Beijing, China.
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Xie T, Yang Z, Xian S, Lin Q, Huang L, Ding Y. Hsa_circ_0008833 promotes COPD progression via inducing pyroptosis in bronchial epithelial cells. Exp Lung Res 2024; 50:1-14. [PMID: 38234074 DOI: 10.1080/01902148.2024.2303474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
Purpose: Chronic obstructive pulmonary disease (COPD) is a common respiratory disorder. Pyroptosis represents a distinctive form of inflammatory cell death that is mediated through the activation of Caspase-1 and inflammasomes. CircRNAs have emerged as a novel class of biomolecules with implications in various human diseases. This study aims to investigate the circRNAs profile of in COPD progression and identify pivotal circRNAs associated with the development of this disease. Methods: he expression profiles of circRNAs in peripheral blood mononuclear cells of COPD patients were assessed by circRNA microarray. Furthermore, flag-labeled vectors were constructed to assess the potential protein-coding capacity of has-circ-0008833. 16HBE cells were stably transfected with lentivirus approach, and cell proliferation and death were assessed to clarify the functional roles of has-circ-0008833 and its encoded protein circ-0008833aa. Additionally, western blot analysis was furthered performed to determine the level of Caspase-1, IL-18, IL-1β, NLRP3, ASC, and cleaved GSDMD regulated by has-circ-0008833 and circ-0008833-57aa. Results: Initially, we screened the expression profiles of human circRNAs in peripheral blood mononuclear cells of COPD patients, and found that has-circ-0008833 exhibited a significant increase in COPD mononuclear cells. Subsequently, we demonstrated that has-circ-0008833 carried an open reading frame (ORF), which encoded a functional protein, referred to as circ-0008833-57aa. By employing gain-of-function approaches, our results suggested that both circ-0008833 and circ-0008833-57aa inhibited proliferation, but accelerated the rate of 16HBE cell death. Finally, we discovered that circ-0008833 and circ-0008833-57aa promoted the expression of Caspase-1, IL-18, IL-1β, NLRP3, ASC, and cleaved GSDMD in 16HBE cells. Conclusions: Upregulation of circ-0008833 might promote COPD progression by inducing pyroptosis of bronchial epithelial cells through the encoding of a 57-amino acid peptide.
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Affiliation(s)
- Tian Xie
- Department of Pulmonary and Critical Care Medicine, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Zehua Yang
- Department of Pulmonary and Critical Care Medicine, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Shaojing Xian
- Department of Pulmonary and Critical Care Medicine, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Qi Lin
- Department of General Practice, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Linhui Huang
- Department of Pulmonary and Critical Care Medicine, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Yipeng Ding
- Department of Pulmonary and Critical Care Medicine, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
- Department of General Practice, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
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Merikallio H, Pincikova T, Kotortsi I, Karimi R, Li CX, Forsslund H, Mikko M, Nyrén S, Lappi-Blanco E, Wheelock ÅM, Kaarteenaho R, Sköld MC. Mucins 3A and 3B Are Expressed in the Epithelium of Human Large Airway. Int J Mol Sci 2023; 24:13546. [PMID: 37686350 PMCID: PMC10487631 DOI: 10.3390/ijms241713546] [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: 07/07/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Aberrant mucus secretion is a hallmark of chronic obstructive pulmonary disease (COPD). Expression of the membrane-tethered mucins 3A and 3B (MUC3A, MUC3B) in human lung is largely unknown. In this observational cross-sectional study, we recruited subjects 45-65 years old from the general population of Stockholm, Sweden, during the years 2007-2011. Bronchial mucosal biopsies, bronchial brushings, and bronchoalveolar lavage fluid (BALF) were retrieved from COPD patients (n = 38), healthy never-smokers (n = 40), and smokers with normal lung function (n = 40). Protein expression of MUC3A and MUC3B in bronchial mucosal biopsies was assessed by immunohistochemical staining. In a subgroup of subjects (n = 28), MUC3A and MUC3B mRNAs were quantified in bronchial brushings using microarray. Non-parametric tests were used to perform correlation and group comparison analyses. A value of p < 0.05 was considered statistically significant. MUC3A and MUC3B immunohistochemical expression was localized to ciliated cells. MUC3B was also expressed in basal cells. MUC3A and MUC3B immunohistochemical expression was equal in all study groups but subjects with emphysema had higher MUC3A expression, compared to those without emphysema. Smokers had higher mRNA levels of MUC3A and MUC3B than non-smokers. MUC3A and MUC3B mRNA were higher in male subjects and correlated negatively with expiratory air flows. MUC3B mRNA correlated positively with total cell concentration and macrophage percentage, and negatively with CD4/CD8 T cell ratio in BALF. We concluded that MUC3A and MUC3B in large airways may be a marker of disease or may play a role in the pathophysiology of airway obstruction.
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Affiliation(s)
- Heta Merikallio
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, 90570 Oulu, Finland; (H.M.)
- Center of Internal Medicine and Respiratory Medicine, Medical Research Center Oulu, University Hospital of Oulu, 90220 Oulu, Finland
| | - Terezia Pincikova
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
- Stockholm CF-Center, Albatross, K56, Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden
| | - Ioanna Kotortsi
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, 171 77 Stockholm, Sweden
| | - Reza Karimi
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Chuan-Xing Li
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Helena Forsslund
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Mikael Mikko
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Sven Nyrén
- Department of Molecular Medicine and Surgery, Division of Radiology, Karolinska Institutet, Karolinska University Hospital Solna, 171 76 Stockholm, Sweden
| | - Elisa Lappi-Blanco
- Cancer and Translational Medicine Research Unit, Department of Pathology, University Hospital of Oulu, Oulu University, 90220 Oulu, Finland
| | - Åsa M. Wheelock
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, 171 77 Stockholm, Sweden
| | - Riitta Kaarteenaho
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, 90570 Oulu, Finland; (H.M.)
- Center of Internal Medicine and Respiratory Medicine, Medical Research Center Oulu, University Hospital of Oulu, 90220 Oulu, Finland
| | - Magnus C. Sköld
- Respiratory Medicine Unit, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, 171 77 Stockholm, Sweden
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He L, Xi X. Interaction between serum cotinine and body mass index on asthma in the children: a cross-sectional study. BMC Pediatr 2022; 22:499. [PMID: 35999590 PMCID: PMC9400283 DOI: 10.1186/s12887-022-03571-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 07/30/2022] [Indexed: 11/25/2022] Open
Abstract
Background The purpose of this study was to explore the interaction between serum cotinine (a marker of environmental tobacco smoke exposure) and body mass index (BMI) on asthma in children. Methods This cross-sectional study relied on representative samples of American children included in the National Health and Nutrition Examination Survey in 1999–2018. Multivariate logistic regression analyses were to evaluate the association between serum cotinine level, BMI z-score and asthma. Serum cotinine was dichotomized at 0.0436 ng/mL. Interactions were examined by the estimated joint effect of BMI and serum cotinine levels. We also performed interaction analyses in age and ethnicity subgroups. Results Among the 11,504 children aged 3 to 12 years included in the analysis, 15.86% (n = 1852) had childhood asthma, 15.68% (n = 1837) were overweight, and 17.31% (n = 2258) were obese. Compared to low serum cotinine, high serum cotinine was significantly associated with asthma [odds ratio (OR) = 1.190, 95% confidence interval (CI): 1.004–1.410]. Overweight (OR = 1.275, 95%CI: 1.079–1.506) and obesity (OR = 1.636, 95%CI: 1.354–1.977) were significantly associated with asthma compared with normal weight. The adjusted attributable proportion of interaction = 0.206 (95%CI: 0.075–0.337) and the adjusted synergy index = 1.617 (95%CI: 1.126–2.098) indicated that there was a significant synergistic effect of serum cotinine levels and BMI on asthma. In males, females, non-Hispanic White and other Hispanic, there were synergistic interactions between serum cotinine levels and BMI on asthma. Conclusion A synergistic interaction between serum cotinine and overweight/obesity on childhood asthma was found. For children with asthma, both intensive weight interventions in overweight or obese children and intensive passive smoking interventions in children exposed to the environment may be important. Supplementary Information The online version contains supplementary material available at 10.1186/s12887-022-03571-0.
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Affiliation(s)
- Li He
- School of Medicine, Xinjiang University of Science & Technology, No.89, Beijing Road, Yingxia Township, 841000, Korla City, Xinjiang, People's Republic of China.
| | - Xiaojing Xi
- Department of Quality Management, Medical Department, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, Xinjiang, People's Republic of China
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The Effect of Tobacco Smoking and Smoking Cessation on Urinal miRNAs in a Pilot Study. LIFE (BASEL, SWITZERLAND) 2020; 10:life10090191. [PMID: 32927854 PMCID: PMC7554876 DOI: 10.3390/life10090191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/09/2020] [Accepted: 09/09/2020] [Indexed: 02/07/2023]
Abstract
The diseases associated with tobacco smoking affect miRNAs and small single-stranded non-coding RNAs. However, there are no data on urinal miRNAs in healthy smokers. We searched for the possible effect of smoking and smoking cessation on miRNA urine expression. For screening, Affymetrix miRNA 4.0 arrays were used in 33 urine samples obtained from six never smokers and from current smokers in three time-points before smoking cessation (n = 10), after short time abstinence (3–8 weeks), and after long-term abstinence (1 year). For validation, a quantitative (q) polymerase chain reaction (PCR) method was used in 93 urine samples obtained from 18 never smokers and 25 current smokers in three time-points before smoking cessation, after short time abstinence (3–8 weeks), and after long-term abstinence (1 year). In screening analysis, 5 miRNAs (hsa-miR-3620-5p, hsa-miR-3613-5p, hsa-miR-3921, hsa-miR-5094, and hsa-miR-337-3p) were dysregulated in current vs. never smokers after multiple testing corrections. Smoking cessation was accompanied by miRNA dysregulation that did not reach a significant level after a multiple testing correction. In validation analysis, three miRNAs correlated with cotinine, but they were affected neither after smoking cessation nor between current and never smokers. Our whole-genome screening of 2.578 miRNAs and validation suggest that tobacco smoking has no or only a small effect on urinal miRNAs.
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