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Li R, Peng L, Deng D, Li G, Wu S. Potential causal association between aspirin use and erectile dysfunction in European population: a Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 14:1329847. [PMID: 38260164 PMCID: PMC10800513 DOI: 10.3389/fendo.2023.1329847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Background Aspirin, as one of the most commonly used drugs, possesses a broad spectrum of therapeutic applications. Presently, the potential association between aspirin usage and the risk elevation of erectile dysfunction (ED) remains inconclusive. The objective of this study employing two-sample Mendelian randomization (MR) was to clarify the causal impact of aspirin use on the risk of ED. Methods This study incorporated two sets of Genome-Wide Association Study (GWAS) summary statistics, one for aspirin use (46,946 cases and 286,635 controls) and another for ED (6,175 cases and 217,630 controls) in individuals of European ancestry. The inverse-variance weighted (IVW) method was employed as the primary approach, supplemented by MR-Egger, weighted median, weighted mode, and simple mode to estimate the causal effect of aspirin usage on the risk of ED development. To assess pleiotropy, the MR-PRESSO global test and MR-Egger regression were used. Cochran's Q test was adopted to check heterogeneity, and the leave-one-out analysis was performed to confirm the robustness and reliability of the results. Results The causal association between genetically inferred aspirin use and ED was found by using inverse variance weighted (OR = 20.896, 95% confidence interval = 2.077-2.102E+2, P = 0.010). The sensitivity analysis showed that no pleiotropy and heterogeneity was observed. Furthermore, the leave-one-out analysis demonstrated that the findings were not significantly affected by any instrumental variables. Conclusion The results of this study highlighted the significance of aspirin use as a predisposing factor for ED and provided further evidence supporting the causal association between aspirin utilization and ED within European populations.
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Affiliation(s)
- Rongkang Li
- Institute of Urology, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Institute of Urology, The Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
- Institute of Urology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen, China
| | - Lei Peng
- Institute of Urology, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Institute of Urology, The Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
- Institute of Urology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen, China
| | - Dashi Deng
- Institute of Urology, The Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Guangzhi Li
- Institute of Urology, The Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Song Wu
- Institute of Urology, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Institute of Urology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen, China
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Acetylsalicylic Acid and Mood Disorders: A Systematic Review. Pharmaceuticals (Basel) 2022; 16:ph16010067. [PMID: 36678565 PMCID: PMC9861965 DOI: 10.3390/ph16010067] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/01/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
The effects of acetylsalicylic acid (ASA) on mood disorders (MD) and on inflammatory parameters in preclinical and clinical studies have not yet been comprehensively evaluated. The aim of this study was to systematically summarize the available knowledge on this topic according to PRISMA guidelines. Data from preclinical and clinical studies were analyzed, considering the safety and efficacy of ASA in the treatment of MD and the correlation of inflammatory parameters with the effect of ASA treatment. Twenty-one studies were included. Both preclinical and clinical studies found evidence indicating the safety and efficacy of low-dose ASA in the treatment of all types of affective episodes in MD. Observational studies have indicated a reduced risk of all types of affective episodes in chronic low-dose ASA users (HR 0.92, 95% CI: 0.88, 0.95, p < 0.0001). An association between ASA response and inflammatory parameters was found in preclinical studies, but this was not confirmed in clinical trials. Further long-term clinical trials evaluating the safety and efficacy of ASA in recurrent MD, as well as assessing the linkage of ASA treatment with inflammatory phenotype and cytokines, are required. There is also a need for preclinical studies to understand the exact mechanism of action of ASA in MD.
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Li T, Bai Y, Jiang Y, Jiang K, Tian Y, Wang Z, Ban Y, Liang X, Luo G, Sun F. Potential Effect of the Circadian Clock on Erectile Dysfunction. Aging Dis 2022; 13:8-23. [PMID: 35111358 PMCID: PMC8782551 DOI: 10.14336/ad.2021.0728] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 07/28/2021] [Indexed: 12/03/2022] Open
Abstract
The circadian rhythm is an internal timing system, which is generated by circadian clock genes. Because the circadian rhythm regulates numerous cellular, behavioral, and physiological processes, organisms have evolved with intrinsic biological rhythms to adapt the daily environmental changes. A variety of pathological events occur at specific times, while disturbed rhythms can lead to metabolic syndrome, vascular dysfunction, inflammatory disorders, and cancer. Therefore, the circadian clock is considered closely related to various diseases. Recently, accumulated data have shown that the penis is regulated by the circadian clock, while erectile function is impaired by an altered sleep-wake cycle. The circadian rhythm appears to be a novel therapeutic target for preventing and managing erectile dysfunction (ED), although research is still progressing. In this review, we briefly summarize the superficial interactions between the circadian clock and erectile function, while focusing on how disturbed rhythms contribute to risk factors of ED. These risk factors include NO/cGMP pathway, atherosclerosis, diabetes mellitus, lipid abnormalities, testosterone deficiency, as well as dysfunction of endothelial and smooth muscle cells. On the basis of recent findings, we discuss the potential role of the circadian clock for future therapeutic strategies on ED, although further relevant research needs to be performed.
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Affiliation(s)
- Tao Li
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Yunjin Bai
- Department of Urology and Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Yiting Jiang
- Department of Otorhinolaryngology, The Ninth People’s Hospital of Chongqing, Chongqing, China
| | - Kehua Jiang
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Ye Tian
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Zhen Wang
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Yong Ban
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Xiangyi Liang
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
| | - Guangheng Luo
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
- Correspondence should be addressed to: Dr. Fa Sun, Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China. .
| | - Fa Sun
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China.
- Correspondence should be addressed to: Dr. Fa Sun, Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China. .
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Irfan M, Ismail SB, Noor NM, Hussain NHN. Efficacy of Aspirin for Vasculogenic Erectile Dysfunction in Men: A Meta-Analysis of Randomized Control Trials. Am J Mens Health 2020; 14:1557988320969082. [PMID: 33111628 PMCID: PMC7607788 DOI: 10.1177/1557988320969082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
One of the major causes of erectile dysfunction (ED) is an endothelial vascular disorder. This meta-analysis is performed to determine the efficacy of aspirin on erectile function in men with vasculogenic ED. For this purpose, CENTRAL, MEDLINE, and reference lists of articles up to November 2019 were searched. Randomized controlled trials (RCTs) were selected that compared aspirin with placebo in men of any ethnicity with vasculogenic ED. A total of 58 trials were retrieved. Finally, two trials of 214 men fulfilled our selection criteria. High selection and detection bias were identified for one trial. The participants showed a significant improvement in erectile function when they took aspirin (mean difference: 5.14, 95% CI [3.89, 6.40], and I2 = 0%). Although the present meta-analysis suggested that aspirin has a significant effect on the improvement of erectile function, there were limited RCTs available on this topic and doses of aspirin varied. Additional studies are needed to support findings from this meta-analysis. Aspirin needs to be considered by practitioners when prescribing drugs for vasculogenic ED.
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Affiliation(s)
- Muhammad Irfan
- Women's Health Development Unit, Universiti Sains Malaysia, Kelantan, Malaysia.,Department of Zoology, Pir Mehr Ali Shah, Arid Agriculture University, Rawalpindi, Pakistan
| | - Shaiful Bahari Ismail
- Department of Family Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Norhayati Mohd Noor
- Department of Family Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
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Li T, Fu F, Wu C, Qin F, Yuan J. Characteristics of penile growth in pubertal rats and a non-invasive method to lengthen the penis. Andrology 2020; 8:1884-1894. [PMID: 32578359 DOI: 10.1111/andr.12845] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/12/2020] [Accepted: 06/17/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Males with short penises may suffer from sexual dysfunction and psychological problems. However, currently, managing short penis is a huge challenge. OBJECTIVES To explore whether inhibition of lysyl oxidase (LOX) activity (anti-LOX) combined with a vacuum device could lengthen the penis of pubertal rat. MATERIALS AND METHODS Male rats of different ages were purchased, their exposed penile lengths and weights were measured, and protein expression and lysyl oxidase activity in the corpus cavernosum were analyzed. Fifteen-day-old rats were then purchased and divided into six groups: control, Anti-lysyl oxidase, -200 mm Hg (vacuum device under -200 mm Hg value), -200 mm Hg + Anti-lysyl oxidase, -300 mm Hg, and -300 mm Hg + Anti-lysyl oxidase groups. After the intervention duration of 7 weeks, rats' penile length was measured and erectile function was assessed. The corpus cavernosum was harvested for histopathology and molecular assessments. RESULTS Exposed penile length and weight significantly increased with age, especially between 4 and 8 weeks. Both the protein expression and lysyl oxidase activity in corpus cavernosum were the highest at 2 weeks; however, they quickly decreased with age and slowly declined after 8 weeks. Anti-lysyl oxidase significantly increased the penile length by 10.79% over controlled rats, -200 mm Hg + Anti-lysyl oxidase lengthened it by 14.05%, and -300 mm Hg + Anti-lysyl oxidase increased it by 19.84%. Anti-lysyl oxidase significantly reduced lysyl oxidase activity to decrease pyridinoline concentration; however, it did not change desmosine (P = .28), hydroxyproline (P = .14), and total elastin (P = .06) levels. Anti-lysyl oxidase with or without a vacuum device did not diminish erectile function or impair the normal microstructure of corpus cavernosum. DISCUSSION AND CONCLUSION The rats' penile growth peaks occurred between 4 and 8 weeks. Anti-lysyl oxidase with a vacuum device promoted penile lengthening by inhibiting pyridinoline production to induce tunica albuginea remodeling. The penile lengthening effect was more obvious in pubertal rats than the adult rats. None of the procedures decreased erectile function.
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Affiliation(s)
- Tao Li
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China.,Department of Urology, West China Hospital, Sichuan University, Chengdu, China.,Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Fudong Fu
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Changjing Wu
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Feng Qin
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Jiuhong Yuan
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China.,Department of Urology, West China Hospital, Sichuan University, Chengdu, China
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