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Chen IC, Tsai WC, Hsu LY, Ko MJ, Chien KL, Hung KY, Wu HY. Association between alcohol consumption and chronic kidney disease: a population-based survey. Clin Exp Nephrol 2024:10.1007/s10157-024-02515-5. [PMID: 38789827 DOI: 10.1007/s10157-024-02515-5] [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: 10/23/2023] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND Alcohol consumption is associated with both beneficial and harmful effects, and the role of alcohol consumption in chronic kidney disease (CKD) remains inconclusive. This study aimed to investigate the relationship between alcohol consumption and CKD or estimated glomerular filtration rate (eGFR). METHODS This study enrolled adults from the second Taiwanese Survey on Prevalences of Hypertension, Hyperglycemia, and Hyperlipidemia, conducted in 2007. Participants were categorized into frequent drinkers, occasional drinkers, and nondrinkers. The amount of alcohol consumption was assessed by standard drinks per week. The primary outcome was the presence of CKD, and the secondary outcome was the eGFR. RESULTS Among 3967 participants with a mean age of 47.9 years and a CKD prevalence of 11.7%, 13.8% were frequent drinkers, and 23.1% were occasional drinkers. The average amount of alcohol consumed was 3.3 drinks per week. Frequent drinkers (odds ratio [OR] 0.622, 95% confidence interval [CI] 0.443-0.874) and occasional drinkers (OR 0.597 95% CI 0.434-0.821) showed a lower prevalence of CKD than nondrinkers. Consumption of a larger number of standard drinks was associated with a lower prevalence of CKD (OR 0.872, 95% CI 0.781-0.975). Frequent drinkers and those who consumed a larger number of standard drinks per week showed higher eGFRs. CONCLUSION Within the range of moderate alcohol intake, those who consumed more alcohol had a higher eGFR and reduced prevalence of CKD. The potentially harmful effects of heavy drinking should be taken into consideration, and alcohol intake should be limited to less than light to moderate levels.
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Affiliation(s)
- I-Chun Chen
- Department of Internal Medicine, Division of Nephrology, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., Banciao Dist., New Taipei City, 220, Taiwan
| | - Wan-Chuan Tsai
- Department of Internal Medicine, Division of Nephrology, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., Banciao Dist., New Taipei City, 220, Taiwan
- Center for General Education, Lee-Ming Institute of Technology, New Taipei City, Taiwan
| | - Le-Yin Hsu
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
| | - Mei-Ju Ko
- Department of Dermatology, Taipei City Hospital, Taipei City, Taiwan
- Department of Dermatology, National Taiwan University Hospital and College of Medicine, Taipei City, Taiwan
- University of Taipei, Taipei City, Taiwan
| | - Kuo-Liong Chien
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei City, Taiwan
| | - Kuan-Yu Hung
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Hon-Yen Wu
- Department of Internal Medicine, Division of Nephrology, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., Banciao Dist., New Taipei City, 220, Taiwan.
- Department of Medical Research, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan.
- Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei City, Taiwan.
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan.
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2
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Yu G, Liu Q, Dong X, Tang K, Li B, Liu C, Zhang W, Wang Y, Jin Y. Retraction Note: Inhibition of inflammation using diacerein markedly improved renal function in endotoxemic acute kidney injured mice. Cell Mol Biol Lett 2024; 29:11. [PMID: 38191329 PMCID: PMC10775655 DOI: 10.1186/s11658-023-00524-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024] Open
Affiliation(s)
- Guangzhe Yu
- Department of Emergency Surgery, The 1st Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Qian Liu
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Xuening Dong
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Kaihong Tang
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Bohui Li
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Chunmei Liu
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Wenzheng Zhang
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Yiduo Wang
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China
| | - Yingyu Jin
- Department of Laboratory Diagnosis, The 1st Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, People's Republic of China.
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3
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Tanaka A, Yamaguchi M, Ishimoto T, Katsuno T, Nobata H, Iwagaitsu S, Sugiyama H, Kinashi H, Banno S, Imaizumi T, Ando M, Kubo Y, Ito Y. Association of alcohol consumption with the incidence of proteinuria and chronic kidney disease: a retrospective cohort study in Japan. Nutr J 2022; 21:31. [PMID: 35562759 PMCID: PMC9107250 DOI: 10.1186/s12937-022-00785-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 05/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The difference in the clinical impact of alcohol consumption on kidney function based on sex remains to be elucidated. This study aimed to assess the association between the dose of alcohol consumption and the incidence of proteinuria and chronic kidney disease stratified by sex. METHODS This retrospective cohort study included 26,788 workers (19,702 men and 7086 women) with normal renal function (estimated glomerular filtration rate ≥ 60 mL/min/1.73 m2) at annual health examinations between January 2010 and March 2015 in Japan. The main exposure was alcohol consumption. The primary outcomes were the incidence of proteinuria (dipstick urinary protein ≥ 1) and incidence of low estimated glomerular filtration rate (eGFR; rate < 60 mL/min per 1.73 m2; decreased from the baseline eGFR by 25%). RESULTS During a median observational period of 4 years (interquartile range: 2-6), 1993 (10.1%) men and 462 (6.5%) women developed proteinuria, whereas 667 (3.4%) men and 255 (3.6%) women developed low eGFR. After adjustment for clinically relevant factors using a Cox proportional hazards model, alcohol consumption of ≥ 46 g/day in females was significantly associated with the incidence of proteinuria (hazard ratio, 1.57; 95% confidence interval, 1.10-2.26) and low eGFR (hazard ratio, 1.62; 95% confidence interval, 1.04-2.53). However, no significant association between alcohol consumption and primary outcomes was observed in men. CONCLUSIONS In conclusion, daily higher alcohol consumption was significantly associated with a higher incidence of proteinuria and low eGFR among women. Women might be prone to high alcohol consumption with kidney dysfunction.
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Affiliation(s)
- Akio Tanaka
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan.,Department of Pharmacy, Daido Hospital, Nagoya, Japan
| | - Makoto Yamaguchi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Takuji Ishimoto
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Takayuki Katsuno
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Hironobu Nobata
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Shiho Iwagaitsu
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Hirokazu Sugiyama
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Hiroshi Kinashi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Shogo Banno
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan
| | - Takahiro Imaizumi
- Data Coordinating Center, Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Masahiko Ando
- Data Coordinating Center, Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Yoko Kubo
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yasuhiko Ito
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute, Japan.
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4
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Sasaki K, Obinata H, Yokobori S, Sakamoto T. Alcohol does not increase in-hospital mortality due to severe blunt trauma: an analysis of propensity score matching using the Japan Trauma Data Bank. Acute Med Surg 2021; 8:e671. [PMID: 34262778 PMCID: PMC8254651 DOI: 10.1002/ams2.671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/02/2021] [Indexed: 11/10/2022] Open
Abstract
Aim Alcohol‐related problems, including trauma, are a great burden on global health. Alcohol metabolism in the Japanese population is genetically inferior to other races. This study aimed to evaluate the effects of alcohol use among a Japanese severe blunt trauma cohort. Methods This retrospective observational study analyzed the data of trauma patients registered in the Japan Trauma Data Bank between 2004 and 2019. The primary outcome of this study was in‐hospital mortality. The lengths of hospital and intensive care unit stay were the secondary outcomes. Propensity score matching was used to adjust the anatomical severity and patient background to reduce the potential alcohol use bias. Results We analyzed 46,361 patients categorized into nondrinking (n = 37,818) and drinking (n = 8,543) groups. After a 1:1 propensity score matching (n = 8,428, respectively), despite the Glasgow Coma Scale and Revised Trauma Score scores being significantly lower in the drinking group (14 vs. 13 and 7.84 vs. 7.55, P < 0.001, respectively) and intensive care unit length of stay being significantly longer in the drinking group (6 vs. 7 days, P = 0.002), in‐hospital mortality was significantly lower in the alcohol group (11.8% vs. 9.0%, P < 0.001) and there were no differences in the duration of hospital stay (19 vs. 19 days, P = 0.848). Conclusion Despite increasing physiological severity on admission, after adjusting for anatomical severity, alcohol consumption could be beneficial in severe blunt trauma patients as regards in‐hospital mortality.
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Affiliation(s)
- Kazuma Sasaki
- Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan
| | - Hirofumi Obinata
- Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan.,Shock and Trauma Center Nippon Medical School Chiba Hokusoh Hospital Chiba Japan
| | - Shoji Yokobori
- Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan
| | - Taigo Sakamoto
- Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan.,Shock and Trauma Center Nippon Medical School Chiba Hokusoh Hospital Chiba Japan
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5
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da Silva CBP, Ceron CS, Mendes AS, de Martinis BS, Castro MM, Tirapelli CR. Inducible nitric oxide synthase (iNOS) mediates ethanol-induced redox imbalance and upregulation of inflammatory cytokines in the kidney. Can J Physiol Pharmacol 2021; 99:1016-1025. [PMID: 33887163 DOI: 10.1139/cjpp-2021-0108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Overexpression of the inducible isoform of the enzyme nitric oxide synthase (iNOS) has been associated to pathological processes in the kidney. Ethanol consumption induces the renal expression of iNOS; however, the contribution of this enzyme to the deleterious effects of ethanol in the kidney remains elusive. We examined whether iNOS plays a role in the renal dysfunction and oxidative stress induced by ethanol consumption. With this purpose, male C57BL/6 wild-type (WT) or iNOS-deficient (iNOS-/-) mice were treated with ethanol (20% v/v) for 10 weeks. Treatment with ethanol increased the expression of Nox4 as well as the concentration of thiobarbituric acid reactive substances and the levels of tumor necrosis factor α in the renal cortex of WT but not iNOS-/- mice. Augmented serum levels of creatinine and increased systolic blood pressure were found in WT and iNOS-/- mice treated with ethanol. WT mice treated with ethanol showed increased production of reactive oxygen species and myeloperoxidase activity, but these responses were attenuated in iNOS-/- mice. We concluded that iNOS played a role in ethanol-induced oxidative stress and pro-inflammatory cytokine production in the kidney. These are mechanisms that may contribute to the renal toxicity induced by ethanol.
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Affiliation(s)
- Carla B P da Silva
- Laboratório de Farmacologia, DEPCH, Escola de Enfermagem de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil.,Programa de Pós-Graduação em Toxicologia, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Carla S Ceron
- Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
| | - Atlante S Mendes
- Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Bruno S de Martinis
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Michele M Castro
- Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Carlos R Tirapelli
- Laboratório de Farmacologia, DEPCH, Escola de Enfermagem de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
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6
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Wang W, Cao Z, Liang H, Zhao C, Gong B, Hu J. Effect of low-dose ethanol on NLRP3 inflammasome in diabetes-induced lung injury. Exp Anim 2021; 70:364-371. [PMID: 33814530 PMCID: PMC8390306 DOI: 10.1538/expanim.20-0123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
To observe the changes in NLR family pyrin domain containing 3 (NLRP3) inflammasome in a rat model of diabetes-induced lung injury, and investigate the effect of low-dose ethanol on the production of NLRP3 inflammasome. The type I diabetic mellitus (DM) rat model was established, and the rats were divided into four groups: normal control group (CON group), low-dose ethanol group (EtOH group), diabetes group (DM group) and DM+EtOH group. The rats were fed for 6 and 12 weeks, respectively. The ratio of lung wet weight/body weight (lung/body coefficient) was calculated, and the changes of pulmonary morphology and fibrosis were observed by HE and Masson staining. The changes in pulmonary ultra-structure were examined by electron microscopy. The expressions of mitochondrial acetaldehyde dehydrogenase 2 (ALDH2) and NLRP3 inflammasome key factors, NLRP3, ASC and caspase-1 proteins were detected by western blot. Compared with the CON group, the lung/body coefficient was increased (P<0.05), lung fibrosis occurred, ALDH2 protein expression was decreased, and NLRP3, ASC and caspase-1 protein expressions were increased in the DM rats (P<0.05). Compared with the DM group, the lung/body coefficient and fibrosis degree were decreased, ALDH2 protein expression was increased (P<0.05), and NLRP3, ASC and caspase-1 protein expressions were decreased in the DM+EtOH group (P<0.05). Hence, low-dose ethanol increased ALDH2 protein expression and alleviated diabetes-induced lung injury by inhibiting the production of NLRP3 inflammasome.
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Affiliation(s)
- Wenlian Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical College; 287 Changhuai Road, Anhui 233004, P.R. China.,Department of Tuberculosis, the Second Hospital of Nanjing, Affiliated Hospital of Nanjing University of Chinese Medicine, 1-1 Zhongfu Road, Jiangsu 210000, P.R. China
| | - Zhenzhen Cao
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical College; 287 Changhuai Road, Anhui 233004, P.R. China
| | - Huan Liang
- Department of Physiology, Bengbu Medical College, 2600 Donghai Avenue, Anhui 233030, P.R. China.,Bengbu Medical College Key Laboratory of Cardiovascular and cerebrovascular Diseases, Bengbu Medical College, 2600 Donghai Avenue, Anhui 233030, P.R. China
| | - Chengling Zhao
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical College; 287 Changhuai Road, Anhui 233004, P.R. China
| | - Beilei Gong
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical College; 287 Changhuai Road, Anhui 233004, P.R. China
| | - Junfeng Hu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical College; 287 Changhuai Road, Anhui 233004, P.R. China
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7
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Effect of alcohol consumption on kidney function: population-based cohort study. Sci Rep 2021; 11:2381. [PMID: 33504820 PMCID: PMC7840672 DOI: 10.1038/s41598-021-81777-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/12/2021] [Indexed: 02/06/2023] Open
Abstract
The association between alcohol consumption and kidney function is intriguing, but study results are mixed and controversial. We examined the association of alcohol consumption with the overall change in kidney function over 12 years. We analyzed data from a population-based cohort that was part of the Korean Genome and Epidemiology Study. Primary exposure was total alcohol intake (non-drinkers, 0 to < 10 g/day, 10 to < 30 g/day, and ≥ 30 g/day). Main outcome was decline in kidney function over 12 years. Our study included 5729 participants (mean [SD] age, 51 [8] years; 46% males). Compared to non-drinkers, higher alcohol intake groups had lesser reduction in estimated glomerular filtration rate (eGFR) over 12 years; fully adjusted beta coefficients and 95% confidence intervals were 0.45 (− 0.27, 1.18), 1.87 (0.88, 2.87), and 3.08 (1.93, 4.24) for participants with alcohol intake of < 10, 10 to < 30, and ≥ 30 g/day, respectively. However, this association was attenuated among women, smoker, and age ≥ 60 year. Compared with not drinking, more frequent alcohol consumption and binge drinking were associated with lesser reduction in eGFR. Our findings suggest that alcohol consumption may have a favorable effect on kidney function among the general population.
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8
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Thorne AM, Huang H, O'Brien DP, Eijken M, Krogstrup NV, Norregaard R, Møller B, Ploeg RJ, Jespersen B, Kessler BM. Subclinical effects of remote ischaemic conditioning in human kidney transplants revealed by quantitative proteomics. Clin Proteomics 2020; 17:39. [PMID: 33292164 PMCID: PMC7607690 DOI: 10.1186/s12014-020-09301-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 10/10/2020] [Indexed: 01/13/2023] Open
Abstract
Background Remote ischaemic conditioning (RIC) is currently being explored as a non-invasive method to attenuate ischaemia/reperfusion injuries in organs. A randomised clinical study (CONTEXT) evaluated the effects of RIC compared to non-RIC controls in human kidney transplants. Methods RIC was induced prior to kidney reperfusion by episodes of obstruction to arterial flow in the leg opposite the transplant using a tourniquet (4 × 5 min). Although RIC did not lead to clinical improvement of transplant outcomes, we explored whether RIC induced molecular changes through precision analysis of CONTEXT recipient plasma and kidney tissue samples by high-resolution tandem mass spectrometry (MS/MS). Results We observed an accumulation of muscle derived proteins and altered amino acid metabolism in kidney tissue proteomes, likely provoked by RIC, which was not reflected in plasma. In addition, MS/MS analysis demonstrated transient upregulation of several acute phase response proteins (SAA1, SAA2, CRP) in plasma, 1 and 5 days post-transplant in RIC and non-RIC conditions with a variable effect on the magnitude of acute inflammation. Conclusions Together, our results indicate sub-clinical systemic and organ-localised effects of RIC.
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Affiliation(s)
- Adam M Thorne
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.,Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Honglei Huang
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.,Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Darragh P O'Brien
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Marco Eijken
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Nicoline Valentina Krogstrup
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Renal Medicine, Rigshospitalet, Copenhagen, Denmark
| | - Rikke Norregaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Bjarne Møller
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Rutger J Ploeg
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
| | - Bente Jespersen
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark. .,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Benedikt M Kessler
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
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9
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Jiang B, Su Y, Chen Q, Dong L, Zhou W, Li H, Wang Y. Protective Effects of Ozone Oxidative Postconditioning on Long-term Injury After Renal Ischemia/Reperfusion in Rat. Transplant Proc 2019; 52:365-372. [PMID: 31898937 DOI: 10.1016/j.transproceed.2019.10.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 09/18/2019] [Accepted: 10/06/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Renal ischemia/reperfusion (I/R) injury can cause serious kidney damage (eg, acute aortic injury, chronic fibrosis). Some postconditioning treatments have been reported to protect from I/R effects. However, their mechanisms remain unclear. Here, we focused on potential protective effects of ozone on tubulointerstitial fibrosis after renal I/R injury in rats. METHODS Adult male rats were randomly divided into 4 groups with (1) sham-without I/R; (2) I/R-by clamping renal pedicle for 45 minutes; (3) I/R with ozone oxidative postconditioning (OzoneOP) following a 10-day reperfusion; and (4) I/R with oxygen oxidative postconditioning (OxygenOP) following a 10-day reperfusion. The kidneys were collected at 2 time points post I/R 10 days (at early phase) and 12 weeks (at late phase) and then analyzed for renal function, tissue fibrosis, and serum creatinine and urea nitrogen levels by staining and colorimetric methods. Additionally, expression levels of related fibrotic factors, such as α-smooth muscle actin, transforming growth factor β1, and phospho-Smad2, were assayed by immunochemistry staining. RESULTS OzoneOP treatment downregulated the α-smooth muscle actin, transforming growth factor β1, and phospho-Smad 2 protein expression in rats subjected to I/R at 10 days and 12 weeks. Moreover, it improved renal dysfunction and attenuated the patchy tubulointerstitial fibrosis. CONCLUSION Ourdata indicate that I/R-induced renal damage might cause severe tubulointerstitial fibrosis at the late phase, and OzoneOP treatment may inhibit this fibrotic development.
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Affiliation(s)
- Botao Jiang
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University Xili Campus, Guangdong, People's Republic of China; Digestive Department, Second Affiliated Hospital of Xi'an Jiaotong University, Shaanxi, People's Republic of China
| | - Yuqiang Su
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University Xili Campus, Guangdong, People's Republic of China
| | - Qingzhi Chen
- Department of Pathology, Central Hospital of Xianning City, Hubei, People's Republic of China
| | - Lei Dong
- Digestive Department, Second Affiliated Hospital of Xi'an Jiaotong University, Shaanxi, People's Republic of China
| | - Wei Zhou
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University Xili Campus, Guangdong, People's Republic of China
| | - Hui Li
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University Xili Campus, Guangdong, People's Republic of China
| | - Yun Wang
- Center for Research and Technology of Precision Medicine, College of Life Sciences and Oceanography, Shenzhen University Xili Campus, Guangdong, People's Republic of China.
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10
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Fan Z, Yun J, Yu S, Yang Q, Song L. Alcohol Consumption Can be a "Double-Edged Sword" for Chronic Kidney Disease Patients. Med Sci Monit 2019; 25:7059-7072. [PMID: 31538630 PMCID: PMC6767945 DOI: 10.12659/msm.916121] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Excessive drinking of alcohol is becoming a worldwide problem, and people have recognized that there exists a close relationship between chronic kidney disease (CKD) and alcohol consumption. However, there are many inconsistencies between experimental and clinical studies on alcohol consumption and kidney damage. The possible reason for this contradictory conclusion is the complex drinking pattern of humans and some bioactivators in wine. In addition, the design itself of the clinical studies can also produce conflicting interpretations of the results. Considering the benefits of light-to-moderate alcohol consumption, we recommend that CKD patients continue light-to-moderate drinking, which is beneficial to them. Because alcohol consumption can lead to adverse events, we do not advise non-drinkers to start to drink. Although light-to-moderate alcohol consumption may not pose a risk to patients with CKD, the patients’ condition needs to be considered. Consumption of even small amounts of alcohol can be associated with increased death risk. Additional clinical and experimental studies are needed to clarify the effect of alcohol on the kidneys and alcohol consumption on CKD patients.
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Affiliation(s)
- Zhenliang Fan
- Graduate School of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China (mainland)
| | - Jie Yun
- First Clinic School of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China (mainland)
| | - Shanshan Yu
- Graduate School of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China (mainland)
| | - Qiaorui Yang
- Graduate School of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China (mainland)
| | - Liqun Song
- First Clinic School of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China (mainland)
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11
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Kalbolandi SM, Gorji AV, Babaahmadi-Rezaei H, Mansouri E. Luteolin confers renoprotection against ischemia-reperfusion injury via involving Nrf2 pathway and regulating miR320. Mol Biol Rep 2019; 46:4039-4047. [PMID: 31089916 DOI: 10.1007/s11033-019-04853-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/02/2019] [Indexed: 01/12/2023]
Abstract
This work aims to evaluate the renoprotective effect of luteolin on expression of Nrf2 and miR320 in ischemia-reperfusion (I/R) injury in rats. Thirty rats were randomly divided into five groups; control, Luteolin (50 mg/kg), ischemia-reperfusion (I/R), DMSO (0/1%) + I/R and Luteolin+I/R, (n = 6 each). Administration of luteolin and DMSO was carried out by gavage for 3 days before renal I/R. Then, the rats were subjected to bilateral renal ischemia for 45 min and followed by reperfusion for 2 h. All rats were killed and the renal function, histological changes, oxidative stress degree, in all of groups were evaluated. In addition, the effects of luteolin on renal expression of Nrf2 and miR320 were examined by immunohistochemistry and real time- PCR. Luteolin significantly improved the creatinine (Cr) and blood urea nitrogen (BUN) levels in Luteolin + I/R group compared to I/R group (p < 0.001 and p < 0.001 respectively). Reduction of enzymatic activity of superoxide dismutase, glutathione peroxidase and catalase in I/R and DMSO + I/R groups, was significantly improved by Luteolin (p < 0.05) in Luteolin + I/R group. Pre-treatment with luteolin also resulted in significant reduction in tissue MDA level (p < 0.001), Nrf2 (p < 0.001) and miR320 expression (P < 0.05) that were increased by renal I/R. Also, the rats pretreated with luteolin had nearly normal structure of the kidney. These results indicate that luteolin protects the kidney against I/R injury via reducing oxidative stress, increasing antioxidant enzymes and reducing expression of Nrf2 and miR320.
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Affiliation(s)
- Sanaz Moradi Kalbolandi
- Department of Anatomical Sciences, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Armita Valizadeh Gorji
- Cellular and Molecular Research Center, Department of Anatomical Sciences, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hossein Babaahmadi-Rezaei
- Atherosclerosis Research Center, Department of Clinical Biochemistry, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Esrafil Mansouri
- Cellular and Molecular Research Center, Department of Anatomical Sciences, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61335, Iran.
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Li Y, Hou D, Chen X, Zhu J, Zhang R, Sun W, Li P, Tian Y, Kong X. Hydralazine protects against renal ischemia-reperfusion injury in rats. Eur J Pharmacol 2018; 843:199-209. [PMID: 30472201 DOI: 10.1016/j.ejphar.2018.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 11/10/2018] [Accepted: 11/12/2018] [Indexed: 01/06/2023]
Abstract
In this study, we investigated whether hydralazine could reduce renal ischemia and reperfusion (I/R) injury in rats. Renal I/R was induced by a 70-min occlusion of the bilateral renal arteries and a 24-h reperfusion, which was confirmed by the increased the mortality, the levels of blood urea nitrogen (BUN), blood creatinine (Cr), renal tissue NO and the visible histological damage of the kidneys. Apoptosis was evaluated by terminal deoxynucleotidyltransferase-mediated dUTP nick-end labeling (TUNEL) staining. Furthermore, the serum levels of malonaldehyde (MDA), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6) were significantly elevated in renal I/R group, while the superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) levels were suppressed. However, intragastric pretreatment with hydralazine at doses of 7.5-30 mg/kg before renal I/R significantly limited the increase in mortality, BUN, Cr, oxidative stress, inflammatory factors, histological damage and apoptosis in the kidneys. In addition, hydralazine also increased p-AKT, Bcl-2 expression and decreased iNOS, Bax, cleaved caspase-3 expression in the kidneys. In conclusion, hydralazine reduced renal I/R injury probably via inhibiting NO production by iNOS/NO pathway, inhibiting oxidative stress, inflammatory response and apoptosis by a mitochondrial-dependent pathway.
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Affiliation(s)
- Yong Li
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Daorong Hou
- Key Laboratory of the Model Animal Research, Animal Core Facility of Nanjing Medical University, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, China
| | - Xuguan Chen
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Jingfeng Zhu
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Ruyi Zhang
- Animal Laboratory, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Wei Sun
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Peng Li
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Yunfan Tian
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China
| | - Xiangqing Kong
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China.
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Hammad FT, Al-Salam S, Yuvaraju P, Lubbad L. Alda-1, an aldehyde dehydrogenase-2 agonist, causes deterioration in renal functions following ischemia-reperfusion injury due to crystalline nephropathy. Drug Dev Res 2018; 79:315-323. [PMID: 30291750 DOI: 10.1002/ddr.21454] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 06/25/2018] [Accepted: 07/24/2018] [Indexed: 11/06/2022]
Abstract
Renal ischemia-reperfusion injury (IRI) induces the production of aldehydes which are detoxified by aldehyde dehydrogenases (ALDHs). Alda-1 is a selective ALDH2 agonist and its protective effect was demonstrated in several conditions. The effect of Alda-1 on the kidney or on renal IRI was not investigated. We investigated the effect of Alda-1 on the renal dysfunction following IRI. Wistar rats underwent left IRI for 40 min. Group-Alda (n = 11) received Alda-1 starting 24 h before IRI and continued for 7 days thereafter when renal functions were measured. Group-Vx (n = 11) underwent similar protocol but received the dissolvent. Alda-1 did not affect renal blood flow or glomerular filtration rate in the left ischemic kidney in Group-Alda compared to Group-Vx (3.05 ± 0.50 vs. 3.53 ± 0.70, and 0.40 ± 0.06 vs. 0.51 ± 0.08, respectively, p > .05 for both). However, left renal fractional sodium excretion was higher in Group-Alda (2.80 ± 0.43 vs. 1.37 ± 0.36, p = .02). Alda-1 also adversely affected the gene expressions of kidney injury molecule-1 and neutrophil gelatinase-associated lipocalin (217 ± 38 vs. 99 ± 13 and 49 ± 13 vs. 20 ± 5, respectively, p < .05 for both) and the alterations in tumor necrosis factor-α, transforming growth factor-β1, plasminogen activator inhibitor-1, fibronectin 1 and p53 (4.4 ± 0.9 vs. 2.1 ± 0.3, 1.5 ± 0.1 vs. 1.1 ± 0.1, 30.0 ± 2.7 vs. 11.7 ± 2.3, 3.6 ± 0.4 vs. 2.1 ± 0.2 and 1.3 ± 0.1 vs. 0.9 ± 0.07, respectively, p ≤ .05 for all). This was associated with intratubular crystal deposition suggestive of crystalline nephropathy. Alda-1 exacerbated the IRI-induced renal tubular dysfunction and alterations in markers of acute kidney injury, biomarkers of inflammation, fibrosis and apoptosis and this was associated with intratubular crystal deposition suggestive of crystalline nephropathy.
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Affiliation(s)
- Fayez T Hammad
- Department of Surgery and College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Suhail Al-Salam
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Priya Yuvaraju
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Loay Lubbad
- Department of Surgery and College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
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Panisello-Roselló A, Lopez A, Folch-Puy E, Carbonell T, Rolo A, Palmeira C, Adam R, Net M, Roselló-Catafau J. Role of aldehyde dehydrogenase 2 in ischemia reperfusion injury: An update. World J Gastroenterol 2018; 24:2984-2994. [PMID: 30038465 PMCID: PMC6054945 DOI: 10.3748/wjg.v24.i27.2984] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 06/28/2018] [Accepted: 06/30/2018] [Indexed: 02/06/2023] Open
Abstract
Aldehyde dehydrogenase 2 (ALDH2) is best known for its critical detoxifying role in liver alcohol metabolism. However, ALDH2 dysfunction is also involved in a wide range of human pathophysiological situations and is associated with complications such as cardiovascular diseases, diabetes mellitus, neurodegenerative diseases and aging. A growing body of research has shown that ALDH2 provides important protection against oxidative stress and the subsequent loading of toxic aldehydes such as 4-hydroxy-2-nonenal and adducts that occur in human diseases, including ischemia reperfusion injury (IRI). There is increasing evidence of its role in IRI pathophysiology in organs such as heart, brain, small intestine and kidney; however, surprisingly few studies have been carried out in the liver, where ALDH2 is found in abundance. This study reviews the role of ALDH2 in modulating the pathways involved in the pathophysiology of IRI associated with oxidative stress, autophagy and apoptosis. Special emphasis is placed on the role of ALDH2 in different organs, on therapeutic “preconditioning” strategies, and on the use of ALDH2 agonists such as Alda-1, which may become a useful therapeutic tool for preventing the deleterious effects of IRI in organ transplantation.
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Affiliation(s)
- Arnau Panisello-Roselló
- Department of Experimental Pathology, Institute of Biomedical Research of Barcelona (IIBB)-CSIC, Barcelona 08036, Spain
| | - Alexandre Lopez
- Centre Hepatobiliare, AP-HP Hôpital Paul Brousse, Villejuif 75008, France
| | - Emma Folch-Puy
- Department of Experimental Pathology, Institute of Biomedical Research of Barcelona (IIBB)-CSIC, Barcelona 08036, Spain
| | - Teresa Carbonell
- Department of Physiology, Faculty of Biology, Universitat de Barcelona, Barcelona 08036, Spain
| | - Anabela Rolo
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal
| | - Carlos Palmeira
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal
| | - René Adam
- Centre Hepatobiliare, AP-HP Hôpital Paul Brousse, Villejuif 75008, France
| | - Marc Net
- Institute Georges Lopez, Lissieu 69380, France
| | - Joan Roselló-Catafau
- Department of Experimental Pathology, Institute of Biomedical Research of Barcelona (IIBB)-CSIC, Barcelona 08036, Spain
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Lin B, Xu J, Feng DG, Wang F, Wang JX, Zhao H. DUSP14 knockout accelerates cardiac ischemia reperfusion (IR) injury through activating NF-κB and MAPKs signaling pathways modulated by ROS generation. Biochem Biophys Res Commun 2018; 501:24-32. [DOI: 10.1016/j.bbrc.2018.04.101] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 04/13/2018] [Indexed: 11/25/2022]
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High Endogenous Accumulation of ω-3 Polyunsaturated Fatty Acids Protect against Ischemia-Reperfusion Renal Injury through AMPK-Mediated Autophagy in Fat-1 Mice. Int J Mol Sci 2017; 18:ijms18102081. [PMID: 28974016 PMCID: PMC5666763 DOI: 10.3390/ijms18102081] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 09/14/2017] [Accepted: 09/27/2017] [Indexed: 12/11/2022] Open
Abstract
Regulated autophagy is involved in the repair of renal ischemia-reperfusion injury (IRI). Fat-1 transgenic mice produce ω3-Polyunsaturated fatty acids (ω3-PUFAs) from ω6-Polyunsaturated fatty acids (ω6-PUFAs) without a dietary ω3-PUFAs supplement, leading to a high accumulation of omega-3 in various tissues. ω3-PUFAs show protective effects against various renal injuries and it has recently been reported that ω3-PUFAs regulate autophagy. We assessed whether ω3-PUFAs attenuated IR-induced acute kidney injury (AKI) and evaluated its associated mechanisms. C57Bl/6 background fat-1 mice and wild-type mice (wt) were divided into four groups: wt sham (n = 10), fat-1 sham (n = 10), wt IRI (reperfusion 35 min after clamping both the renal artery and vein; n = 15), and fat-1 IRI (n = 15). Kidneys and blood were harvested 24 h after IRI and renal histological and molecular data were collected. The kidneys of fat-1 mice showed better renal cell survival, renal function, and pathological damage than those of wt mice after IRI. In addition, fat-1 mice showed less oxidative stress and autophagy impairment; greater amounts of microtubule-associated protein 1A/1B-light chain 3 (LC3)-II, Beclin-1, and Atg7; lower amounts of p62; and, higher levels of renal cathepsin D and ATP6E than wt kidneys. They also showed more adenosine monophosphate-activated protein kinase (AMPK) activation, which resulted in the inhibition of phosphorylation of the mammalian target of rapamycin (mTOR). Collectively, ω3-PUFAs in fat-1 mice contributed to AMPK mediated autophagy activation, leading to a renoprotective response.
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Hu JF, Wang HX, Li HH, Hu J, Yu Y, Gao Q. Inhibition of ALDH2 expression aggravates renal injury in a rat sepsis syndrome model. Exp Ther Med 2017; 14:2249-2254. [PMID: 28962150 DOI: 10.3892/etm.2017.4785] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 03/10/2017] [Indexed: 12/22/2022] Open
Abstract
Mitochondrial aldehyde dehydrogenase 2 (ALDH2) is closely associated with organ injury. The aim of the present study was to investigate the change of ALDH2 expression in a rat model of sepsis-induced acute renal injury, and to observe the effect of ALDH2 inhibition on the kidney. A model of sepsis syndrome was established in Sprague-Dawley (SD) rats by cecal ligation and puncture (CLP). The rats were divided into sham, CLP and CLP + cyanamide (CYA, an ALDH2 inhibitor) groups. The hemodynamic parameters heart rate (HR) and mean arterial blood pressure (MABP) were measured. Plasma creatinine (CRE) and urea nitrogen (BUN) levels were measured using an automatic biochemical analyzer. Malondialdehyde (MDA) content and superoxide dismutase (SOD) activity in the kidney tissue were measured. Histological changes of the kidney tissue were observed using hematoxylin and eosin staining and NF-κB p65 expression was observed by an immunohistochemical staining method. The expression of renal ALDH2 at the mRNA and protein levels was detected by reverse transcription-polymerase chain reaction and western blotting. In the CLP compared with the sham group after 24 h, the MABP was decreased, plasma CRE and BUN levels were elevated, the renal MDA level was increased and SOD activity was decreased. In addition, glomerular atrophy occurred, the renal protein expression of NF-κB p65 was increased, and the mRNA and protein expression levels of ALDH2 were decreased. In contrast with the CLP group, in the CLP + CYA group, the MABP and ALDH2 expression were further decreased while glomerular atrophy was aggravated. Furthermore, CRE, BUN, MDA levels and NF-κB p65 expression were further increased and SOD activity was further reduced. In this rat model of sepsis syndrome, the reduction of renal ALDH2 expression was accompanied by kidney injury. Inhibition of ALDH2 with CYA aggravated the renal injury, and was associated with the overproduction of reactive oxygen species and inflammatory reaction.
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Affiliation(s)
- Jun-Feng Hu
- Department of Respiratory Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, P.R. China
| | - Hua-Xue Wang
- Department of Intensive Care Unit, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, P.R. China
| | - Hui-Hui Li
- Department of Histology and Embryology, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China
| | - Jie Hu
- Department of Physiology, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China
| | - Ying Yu
- Department of Physiology, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China
| | - Qin Gao
- Department of Physiology, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China
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Effects of sevoflurane on NF-кB and TNF-α expression in renal ischemia–reperfusion diabetic rats. Inflamm Res 2017; 66:901-910. [DOI: 10.1007/s00011-017-1071-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 06/06/2017] [Accepted: 06/17/2017] [Indexed: 10/19/2022] Open
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Wang L, Zhu Y, Wang L, Hou J, Gao Y, Shen L, Zhang J. Effects of chronic alcohol exposure on ischemia-reperfusion-induced acute kidney injury in mice: the role of β-arrestin 2 and glycogen synthase kinase 3. Exp Mol Med 2017. [PMID: 28642577 PMCID: PMC5519017 DOI: 10.1038/emm.2017.76] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Little is known about the effects of chronic alcohol intake on the outcome of acute kidney injury (AKI). Hence, we examined the effects of chronic alcohol intake on the development of renal fibrosis following AKI in an animal model of bilateral renal ischemia–reperfusion (IR) injury. We first found that chronic alcohol exposure exacerbated bilateral IR-induced renal fibrosis and renal function impairment. This phenomenon was associated with increased bilateral IR-induced extracellular matrix deposition and an increased myofibroblast population as well as increased bilateral IR-induced expression of fibrosis-related genes in the kidneys. To explore the mechanisms underlying this phenomenon, we showed that chronic alcohol exposure enhanced β-arrestin 2 (Arrb2) expression and Akt and glycogen synthase kinase-3 (GSK3)β activation in the kidneys. Importantly, pharmacological GSK3 inhibition alleviated bilateral IR-induced renal fibrosis and renal function impairment. Furthermore, we demonstrated that Arrb2−/− mice exhibited resistance to IR-induced renal fibrosis and renal function impairment following chronic alcohol exposure, and these effects were associated with attenuated GSK3β activation in the kidneys. Taken together, our results suggest that chronic alcohol exposure may potentiate AKI via β-arrestin 2/Akt/GSK3β-mediated signaling in the kidney.
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Affiliation(s)
- Lihua Wang
- Division of Blood Purification, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yifei Zhu
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lili Wang
- Division of Blood Purification, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jingjing Hou
- Division of Blood Purification, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yongning Gao
- Division of Blood Purification, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lei Shen
- Division of Blood Purification, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jingyu Zhang
- Department of Hematology, The Second Hospital of Hebei Medical University, Key Laboratory of Hematology of Hebei Province, Shijiazhuang, Hebei, China
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Liu XZ, Sun X, Shen KP, Jin WJ, Fu ZY, Tao HR, Xu ZX. Aldehyde dehydrogenase 2 overexpression inhibits neuronal apoptosis after spinal cord ischemia/reperfusion injury. Neural Regen Res 2017; 12:1166-1171. [PMID: 28852401 PMCID: PMC5558498 DOI: 10.4103/1673-5374.211198] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Aldehyde dehydrogenase 2 (ALDH2) is an important factor in inhibiting oxidative stress and has been shown to protect against renal ischemia/reperfusion injury. Therefore, we hypothesized that ALDH2 could reduce spinal cord ischemia/reperfusion injury. Spinal cord ischemia/reperfusion injury was induced in rats using the modified Zivin's method of clamping the abdominal aorta. After successful model establishment, the agonist group was administered a daily consumption of 2.5% alcohol. At 7 days post-surgery, the Basso, Beattie, and Bresnahan score significantly increased in the agonist group compared with the spinal cord ischemia/reperfusion injury group. ALDH2 expression also significantly increased and the number of apoptotic cells significantly decreased in the agonist group than in the spinal cord ischemia/reperfusion injury group. Correlation analysis revealed that ALDH2 expression negatively correlated with the percentage of TUNEL-positive cells (r = −0.485, P < 0.01). In summary, increased ALDH2 expression protected the rat spinal cord against ischemia/reperfusion injury by inhibiting apoptosis.
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Affiliation(s)
- Xing-Zhen Liu
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xin Sun
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kang-Ping Shen
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wen-Jie Jin
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhi-Yi Fu
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hai-Rong Tao
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhi-Xing Xu
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Polydatin ameliorates renal ischemia/reperfusion injury by decreasing apoptosis and oxidative stress through activating sonic hedgehog signaling pathway. Food Chem Toxicol 2016; 96:215-25. [DOI: 10.1016/j.fct.2016.07.032] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 07/11/2016] [Accepted: 07/28/2016] [Indexed: 12/12/2022]
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Preconditioning is hormesis part I: Documentation, dose-response features and mechanistic foundations. Pharmacol Res 2016; 110:242-264. [DOI: 10.1016/j.phrs.2015.12.021] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/18/2015] [Accepted: 12/19/2015] [Indexed: 12/16/2022]
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23
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The effects of oxidative stress following ischemia-reperfusion injury. Int Urol Nephrol 2016; 48:1001-2. [PMID: 27029916 DOI: 10.1007/s11255-016-1245-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 02/09/2016] [Indexed: 10/22/2022]
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24
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Zhang G, Wang Q, Zhou Q, Wang R, Xu M, Wang H, Wang L, Wilcox CS, Liu R, Lai EY. Protective Effect of Tempol on Acute Kidney Injury Through PI3K/Akt/Nrf2 Signaling Pathway. Kidney Blood Press Res 2016; 41:129-138. [PMID: 26894882 PMCID: PMC4841277 DOI: 10.1159/000443414] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2016] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND/AIMS Tempol is a protective antioxidant against ischemic injury in many animal models. The molecular mechanisms are not well understood. Nuclear factor erythroid 2-related factor (Nrf2) is a master transcription factor during oxidative stress, which is enhanced by activation of protein kinase C (PKC) pathway. Another factor, tubular epithelial apoptosis, is mediated by activation of phosphoinositide 3-kinase (PI3K)/protein kinase B (PKB, Akt) signaling pathway during renal ischemic injury. We tested the hypothesis that tempol activates PKC or PI3K/Akt/Nrf2 pathways to transcribe many genes that coordinate endogenous antioxidant defense. METHODS The right renal pedicle was clamped for 45 minutes and the left kidney was removed to study renal ischemia/reperfusion (I/R) injury in C57BL/6 mice. The response was assessed from serum parameters, renal morphology and renal expression of PKC, phosphorylated-PKC (p-PKC), Nrf2, heme oxygenase-1 (HO-1), Akt, phosphorylated-Akt (p-Akt), pro-caspase-3 and cleaved caspase-3 in groups of sham and I/R mice given vehicle, or tempol (50 or 100 mg/kg, intraperitoneal injection). RESULTS The serum malondialdehyde (MDA, marker of reactive oxygen species) doubled and the BUN and creatinine increased 5- to 10-fold after I/R injury. Tempol (50 or 100 mg/kg) prevented the increases in MDA but only tempol (50 mg/kg) lessened the increases in BUN and creatinine and moderated the acute tubular necrosis. I/R did not change expression of PKC or p-PKC but reduced renal expression of Nrf2, p-Akt, HO-1 and pro-caspase-3 and increased cleaved caspase-3. Tempol (50 mg/kg) prevented these changes produced by I/R whereas tempol (100 mg/kg) had lesser or inconsistent effects. CONCLUSION Tempol (50 mg/kg) prevents lipid peroxidation and attenuates renal damage after I/R injury. The beneficial pathway apparently is not dependent on upregulation or phosphorylation of PKC, at lower tempol doses, does implicate upregulation of Akt with expression of Nrf2 that could account for the increase in the antioxidant gene HO-1 and a reduction in the cleavage of the cellular damage marker pro-caspase-3.
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Affiliation(s)
- Gensheng Zhang
- Department of Physiology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Zakharov S, Pelclova D, Urban P, Navratil T, Nurieva O, Kotikova K, Diblik P, Kurcova I, Belacek J, Komarc M, Eddleston M, Hovda KE. Use of Out-of-Hospital Ethanol Administration to Improve Outcome in Mass Methanol Outbreaks. Ann Emerg Med 2016; 68:52-61. [PMID: 26875060 DOI: 10.1016/j.annemergmed.2016.01.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Revised: 12/29/2015] [Accepted: 01/05/2016] [Indexed: 12/21/2022]
Abstract
STUDY OBJECTIVE Methanol poisoning outbreaks are a global public health issue, with delayed treatment causing poor outcomes. Out-of-hospital ethanol administration may improve outcome, but the difficulty of conducting research in outbreaks has meant that its effects have never been assessed. We study the effect of out-of-hospital ethanol in patients treated during a methanol outbreak in the Czech Republic between 2012 and 2014. METHODS This was an observational case-series study of 100 hospitalized patients with confirmed methanol poisoning. Out-of-hospital ethanol as a "first aid antidote" was administered by paramedic or medical staff before the confirmation of diagnosis to 30 patients; 70 patients did not receive out-of-hospital ethanol from the staff (12 patients self-administered ethanol shortly before presentation). RESULTS The state of consciousness at first contact with paramedic or medical staff, delay to admission, and serum methanol concentration were similar among groups. The median serum ethanol level on admission in the patients with out-of-hospital administration by paramedic or medical staff was 84.3 mg/dL (interquartile range 32.7 to 129.5 mg/dL). No patients with positive serum ethanol level on admission died compared with 21 with negative serum ethanol level (0% versus 36.2%). Patients receiving out-of-hospital ethanol survived without visual and central nervous system sequelae more often than those not receiving it (90.5% versus 19.0%). A positive association was present between out-of-hospital ethanol administration by paramedic or medical staff, serum ethanol concentration on admission, and both total survival and survival without sequelae of poisoning. CONCLUSION We found a positive association between out-of-hospital ethanol administration and improved clinical outcome. During mass methanol outbreaks, conscious adults with suspected poisoning should be considered for administration of out-of-hospital ethanol to reduce morbidity and mortality.
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Affiliation(s)
- Sergey Zakharov
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic.
| | - Daniela Pelclova
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Pavel Urban
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Tomas Navratil
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic; Department of Biomimetic Electrochemistry, J. Heyrovsky Institute of Physical Chemistry of the AS CR, Prague, Czech Republic
| | - Olga Nurieva
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Katerina Kotikova
- Toxicological Information Center, Department of Occupational Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Pavel Diblik
- Department of Ophthalmology, General University Hospital, Prague, Czech Republic
| | - Ivana Kurcova
- Department of Toxicology and Forensic Medicine, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Jaromir Belacek
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Martin Komarc
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
| | - Michael Eddleston
- Pharmacology, Toxicology, and Therapeutics, University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Knut Erik Hovda
- Norwegian CBRNe Center of Medicine, Department of Acute Medicine, Oslo University Hospital, Oslo, Norway
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26
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Association between blood alcohol concentration and mortality in critical illness. J Crit Care 2015; 30:1382-9. [DOI: 10.1016/j.jcrc.2015.08.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Revised: 06/02/2015] [Accepted: 08/30/2015] [Indexed: 11/20/2022]
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Elshiekh M, Kadkhodaee M, Seifi B, Ranjbaran M, Ahghari P. Ameliorative Effect of Recombinant Human Erythropoietin and Ischemic Preconditioning on Renal Ischemia Reperfusion Injury in Rats. Nephrourol Mon 2015; 7:e31152. [PMID: 26866008 PMCID: PMC4744640 DOI: 10.5812/numonthly.31152] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 08/29/2015] [Accepted: 09/03/2015] [Indexed: 01/04/2023] Open
Abstract
Background: Ischemia-reperfusion (IR) injury is one of the most common causes of renal dysfunction. There is increasing evidence about the role of the reactive oxygen species (ROS) in these injuries and endogenous antioxidants seem to have an important role in decreasing the renal tissue injury. Objectives: The aim of this study was to compare the effect of recombinant human erythropoietin (EPO) and ischemic preconditioning (IPC) on renal IR injury. Materials and Methods: Twenty four male Wistar rats were allocated into four experimental groups: sham-operated, IR, EPO + IR, and IPC + IR. Rats were underwent 50 minutes bilateral ischemia followed by 24 hours reperfusion. Erythropoietin (5000 IU/kg, i.p) was administered 30 minutes before onset of ischemia. Ischemic preconditioning was performed by three cycles of 3 minutes ischemia followed by 3 minutes reperfusion. Plasma concentrations of urea and creatinine were measured. Kidney samples were taken for reactive oxidative species (ROS) measurement including superoxide dismutase (SOD) activity, glutathione (GSH) contents, and malondialdehyde (MDA) levels. Results: Compared to the sham group, IR led to renal dysfunction as evidenced by significantly higher plasma urea and creatinine. Treatment with EPO or IPC decreased urea, creatinine, and renal MDA levels and increased SOD activity and GSH contents in the kidney. Conclusions: Pretreatment with EPO and application of IPC significantly ameliorated the renal injury induced by bilateral renal IR. However, both treatments attenuated renal dysfunction and oxidative stress in kidney tissues. There were no significant differences between pretreatment with EPO or application of IPC.
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Affiliation(s)
- Mohammed Elshiekh
- Department of Physiology, Faculty of Medicine, Tehran University of Medical Sciences, International campus, Tehran, IR Iran
| | - Mehri Kadkhodaee
- Department of Physiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, IR Iran
- Corresponding author: Mehri Kadkhodaee, Department of Physiology, School of Medicine, Tehran University of Medical Sciences, P. O. Box: 1417613151, Tehran, IR Iran. Tel: +98-2188259862, Fax: +98-2166419484, E-mail:
| | - Behjat Seifi
- Department of Physiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, IR Iran
| | - Mina Ranjbaran
- Department of Physiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, IR Iran
| | - Parisa Ahghari
- Department of Physiology, Faculty of Medicine, Hamedan University of Medical Sciences, Hamedan, IR Iran
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Wozniak MB, Brennan P, Brenner DR, Overvad K, Olsen A, Tjønneland A, Boutron-Ruault MC, Clavel-Chapelon F, Fagherazzi G, Katzke V, Kühn T, Boeing H, Bergmann MM, Steffen A, Naska A, Trichopoulou A, Trichopoulos D, Saieva C, Grioni S, Panico S, Tumino R, Vineis P, Bueno-de-Mesquita HBA, Peeters PH, Hjartåker A, Weiderpass E, Arriola L, Molina-Montes E, Duell EJ, Santiuste C, Alonso de la Torre R, Barricarte Gurrea A, Stocks T, Johansson M, Ljungberg B, Wareham N, Khaw KT, Travis RC, Cross AJ, Murphy N, Riboli E, Scelo G. Alcohol consumption and the risk of renal cancers in the European prospective investigation into cancer and nutrition (EPIC). Int J Cancer 2015; 137:1953-66. [PMID: 25866035 DOI: 10.1002/ijc.29559] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 03/16/2015] [Indexed: 02/11/2024]
Abstract
Epidemiologic studies have reported that moderate alcohol consumption is inversely associated with the risk of renal cancer. However, there is no information available on the associations in renal cancer subsites. From 1992 through to 2010, 477,325 men and women in the European Prospective Investigation into Cancer and Nutrition cohort were followed for incident renal cancers (n = 931). Baseline and lifetime alcohol consumption was assessed by country-specific, validated dietary questionnaires. Information on past alcohol consumption was collected by lifestyle questionnaires. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated from Cox proportional hazard models. In multivariate analysis, total alcohol consumption at baseline was inversely associated with renal cancer; the HR and 95% CI for the increasing categories of total alcohol consumption at recruitment versus the light drinkers category were 0.78 (0.62-0.99), 0.82 (0.64-1.04), 0.70 (0.55-0.90), 0.91 (0.63-1.30), respectively, (ptrend = 0.001). A similar relationship was observed for average lifetime alcohol consumption and for all renal cancer subsites combined or for renal parenchyma subsite. The trend was not observed in hypertensive individuals and not significant in smokers. In conclusion, moderate alcohol consumption was associated with a decreased risk of renal cancer.
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Affiliation(s)
- Magdalena B Wozniak
- Genetic Epidemiology Group, International Agency for Research on Cancer (IARC), Lyon, France
| | - Paul Brennan
- Genetic Epidemiology Group, International Agency for Research on Cancer (IARC), Lyon, France
| | - Darren R Brenner
- Genetic Epidemiology Group, International Agency for Research on Cancer (IARC), Lyon, France
- Department of Population Health Research, Cancer Control Alberta, Alberta Health Services, Calgary, AB, Canada
| | - Kim Overvad
- Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark
| | - Anja Olsen
- Department of Diet, Genes and Environment, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Anne Tjønneland
- Department of Diet, Genes and Environment, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Marie-Christine Boutron-Ruault
- Centre for Research in Epidemiology and Population Health (CESP), INSERM, Villejuif, France
- Institut Gustave-Roussy (IGR), Université Paris Sud, INSERM, Villejuif, France
| | - Françoise Clavel-Chapelon
- Centre for Research in Epidemiology and Population Health (CESP), INSERM, Villejuif, France
- Institut Gustave-Roussy (IGR), Université Paris Sud, INSERM, Villejuif, France
| | - Guy Fagherazzi
- Centre for Research in Epidemiology and Population Health (CESP), INSERM, Villejuif, France
- Institut Gustave-Roussy (IGR), Université Paris Sud, INSERM, Villejuif, France
| | - Verena Katzke
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Tilman Kühn
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Heiner Boeing
- Department of Epidemiology, German Institute of Human Nutrition (DIfE) Potsdam-Rehbrücke, Nuthetal, Germany
| | - Manuela M Bergmann
- Department of Epidemiology, German Institute of Human Nutrition (DIfE) Potsdam-Rehbrücke, Nuthetal, Germany
| | - Annika Steffen
- Department of Epidemiology, German Institute of Human Nutrition (DIfE) Potsdam-Rehbrücke, Nuthetal, Germany
| | - Androniki Naska
- Department of Hygiene, Epidemiology and Medical Statistics, University of Athens Medical School, Athens, Greece
- Hellenic Health Foundation, Athens, Greece
| | - Antonia Trichopoulou
- Department of Hygiene, Epidemiology and Medical Statistics, University of Athens Medical School, Athens, Greece
- Hellenic Health Foundation, Athens, Greece
- Bureau of Epidemiologic Research, Academy of Athens, Greece
| | - Dimitrios Trichopoulos
- Hellenic Health Foundation, Athens, Greece
- Bureau of Epidemiologic Research, Academy of Athens, Greece
- Department of Epidemiology, Harvard School of Public Health, Boston, MA
| | - Calogero Saieva
- Molecular and Nutritional Epidemiology Unit, Cancer Research and Prevention Institute (ISPO), Florence, Italy
| | - Sara Grioni
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, Milan, Italy
| | - Salvatore Panico
- Department of Clinical and Experimental Medicine, Federico II University, Naples, Italy
| | - Rosario Tumino
- Cancer Registry and Histopathology Unit, "Civic - M.P. Arezzo" Hospital, ASP Ragusa, Italy
| | - Paolo Vineis
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, United Kingdom
- HuGeF Foundation, Torino, Italy
| | - H B As Bueno-de-Mesquita
- Department for Determinants of Chronic Diseases (DCD), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Department of Gastroenterology and Hepatology, University Medical Centre, Utrecht, The Netherlands
- Department of Epidemiology and Biostatistics, the School of Public Health, Imperial College London, United Kingdom
- Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Petra H Peeters
- Department of Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, The Netherlands
- MRC-PHE, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, United Kingdom
| | - Anette Hjartåker
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Elisabete Weiderpass
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø, The Arctic University of Norway, Tromsø, Norway
- Cancer Registry of Norway, Oslo, Norway
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Genetic Epidemiology, Folkhälsan Research Center, Helsinki, Finland
| | - Larraitz Arriola
- Public Health Division of Gipuzkoa, Instituto BIO-Donostia, Basque Government, CIBER De Epidemiología Y Salud Pública (CIBERESP), San Sebastian, Spain
| | - Esther Molina-Montes
- Escuela Andaluza De Salud Pública, Instituto De Investigación Biosanitaria, Universidad De Granada, Granada, Spain
- CIBER De Epidemiología Y Salud Pública (CIBERESP), Granada, Spain
| | - Eric J Duell
- Unit of Nutrition, Environment and Cancer, Cancer Epidemiology Research Program, Catalan Institute of Oncology (ICO), L'hospitalet De Llobregat, Barcelona, Spain
| | - Carmen Santiuste
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain
| | | | - Aurelio Barricarte Gurrea
- Navarre Public Health Institute, Pamplona, Spain
- CIBER De Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
| | - Tanja Stocks
- Department of Clinical Sciences, Lund University, Malmö, Sweden
- Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
| | - Mattias Johansson
- Genetic Epidemiology Group, International Agency for Research on Cancer (IARC), Lyon, France
- Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
| | - Börje Ljungberg
- Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
| | - Nick Wareham
- MRC Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Kay-Tee Khaw
- School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Ruth C Travis
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Amanda J Cross
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, United Kingdom
| | - Neil Murphy
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, United Kingdom
| | - Elio Riboli
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, United Kingdom
| | - Ghislaine Scelo
- Genetic Epidemiology Group, International Agency for Research on Cancer (IARC), Lyon, France
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29
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Wang W, Lin LL, Guo JM, Cheng YQ, Qian J, Mehta JL, Su DF, Luan P, Liu AJ. Heavy ethanol consumption aggravates the ischemic cerebral injury by inhibiting ALDH2. Int J Stroke 2015; 10:1261-9. [PMID: 26172086 DOI: 10.1111/ijs.12560] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 05/04/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND Heavy ethanol consumption is widely accepted as a risk for ischemic stroke. The molecular mechanisms of ethanol-induced brain injury have not been fully understood. AIM This study aims to find out the mechanism of the ischemic cerebral injury. METHODS We used Sprague-Dawley rats with transient middle cerebral artery occlusion for acute experiment and stroke-prone spontaneously hypertensive rats for long-term experiment in vivo, and oxygen-glucose deprivation model in vitro to define a detrimental effect of different doses of ethanol on ischemic stroke injury. We also used mitochondrial aldehyde dehydrogenase 2 knockdown/overexpression or inhibitor/activator to investigate mechanism of the adverse effects of ethanol. RESULTS High-dose ethanol (36% of calorie derived from ethanol) significantly increased the infarct size in rats (P < 0·01) and decreased the survival time of stroke-prone spontaneously hypertensive rats by about 20%. Six-week treatment with high-dose ethanol changed a distribution of isoelectric point of aldehyde dehydrogenase 2 and inhibited aldehyde dehydrogenase 2 activity in brain. High dose of ethanol increased the cerebral acetaldehyde level, and increased 4-hydroxy-2-nonenal and malondialdehyde in serum of rats with middle cerebral artery occlusion. The activator of aldehyde dehydrogenase 2, Alda-1 abolished neuronal cells death and ischemic injury induced by ethanol and the inhibitor reversed the injurious effects. An overexpression of aldehyde dehydrogenase 2 completely abolished the increased infarct size and neurological deficit score by ethanol. Conversely, knockdown of aldehyde dehydrogenase 2 increased the infarct size and exaggerated the cerebral injury induced by ethanol. CONCLUSIONS High concentrations of ethanol aggravate cerebral injury by inhibiting of aldehyde dehydrogenase 2 and inducing excess accumulation of aldehydes.
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Affiliation(s)
- Wei Wang
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China.,Department of Pharmacy & Medical Appliances, Hangzhou Sanatorium of PLA, Hangzhou, Zhejiang, China
| | - Li-Li Lin
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China.,Department of Pharmacology, Wuxi Higher Health Vocational Technology School, Wuxi, Jiangsu, China
| | - Jin-Min Guo
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China.,Department of Pharmacy, Jinan Military General Hospital, Jinan, Shandong, China
| | - Yan-Qiong Cheng
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China.,Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Jiao Qian
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China.,Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Jawahar L Mehta
- Division of Cardiology, University of Arkansas for Medical Sciences and the Central Arkansas Veterans Healthcare System, Little Rock, AR, USA
| | - Ding-Feng Su
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Ping Luan
- School of Medicine, Shenzhen University, Shenzhen, China
| | - Ai-Jun Liu
- Department of Pharmacology, School of Pharmacy, Second Military Medical University, Shanghai, China
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30
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Lu XY, Liu BC, Wang LH, Yang LL, Bao Q, Zhai YJ, Alli AA, Thai TL, Eaton DC, Wang WZ, Ma HP. Acute ethanol induces apoptosis by stimulating TRPC6 via elevation of superoxide in oxygenated podocytes. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1853:965-74. [PMID: 25601712 DOI: 10.1016/j.bbamcr.2015.01.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 01/07/2015] [Accepted: 01/09/2015] [Indexed: 01/06/2023]
Abstract
Our recent studies indicate that hydrogen peroxide (H2O2) only at high concentrations can cause oxidative stress in renal epithelial cells and induce apoptosis of podocytes. Consistently, the present study shows that H2O2, even at 1 mM, failed to induce intracellular oxidative stress and apoptosis of the podocytes due to efficient activity of catalase, an enzyme which degrades H2O2 to produce water and oxygen (O2). However, H2O2 acted as a source of O2 to allow acute ethanol to induce superoxide production and cause apoptosis of the podocytes. In contrast, acute ethanol alone did not elevate intracellular superoxide, even though it stimulates expression and translocation of p47phox to the plasma membrane. Inhibition of catalase abolished not only O2 production from H2O2 degradation, but also NOX2-dependent superoxide production in the podocytes challenged by both H2O2 and acute ethanol. In parallel, acute ethanol in the presence of H2O2, but neither ethanol nor H2O2 alone, stimulated transient receptor potential canonical 6 (TRPC6) channels and caused TRPC6-dependent elevation of intracellular Ca2+. These data suggest that exogenous H2O2 does not induce oxidative stress due to rapid degradation to produce O2 in the podocytes, but the oxygenated podocytes become sensitive to acute ethanol challenge and undergo apoptosis via a TRPC6-dependent elevation of intracellular Ca2+. Since cultured podocytes are considered in hypoxic conditions, H2O2 may be used as a source of O2 to establish an ischemia-reperfusion model in some type of cultured cells in which H2O2 does not directly induce intracellular oxidative stress.
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Affiliation(s)
- Xiao-Yu Lu
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China; Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Bing-Chen Liu
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States; Department of Radiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China; Department of Cardiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Li-Hua Wang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Li-Li Yang
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States; Department of Radiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China; Department of Cardiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Qing Bao
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Yu-Jia Zhai
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States; Department of Radiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China; Department of Cardiology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Abdel A Alli
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Tiffany L Thai
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Douglas C Eaton
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Wei-Zhi Wang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - He-Ping Ma
- Department of Physiology, Emory University School of Medicine, Atlanta, GA 30322, United States.
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Steinberg JP, Gurjala AN, Jia S, Hong SJ, Galiano RD, Mustoe TA. Evaluating the Effects of Subclinical, Cyclic Ischemia-Reperfusion Injury on Wound Healing Using a Novel Device in the Rabbit Ear. Ann Plast Surg 2014; 72:698-705. [DOI: 10.1097/sap.0b013e31826a1ae2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Aldini G, Carini M, Yeum KJ, Vistoli G. Novel molecular approaches for improving enzymatic and nonenzymatic detoxification of 4-hydroxynonenal: toward the discovery of a novel class of bioactive compounds. Free Radic Biol Med 2014; 69:145-56. [PMID: 24456906 DOI: 10.1016/j.freeradbiomed.2014.01.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 01/10/2014] [Accepted: 01/10/2014] [Indexed: 11/18/2022]
Abstract
4-Hydroxy-trans-2-nonenal (HNE), an α,β-unsaturated aldehyde generated endogenously by the radical-mediated peroxidation of ω-6 polyunsaturated fatty acids, is a bioactive molecule acting in several physiopathological mechanisms and most of its activity is due to the covalent modification of biomolecules. Although at low and physiological levels HNE acts as an endogenous signaling molecule, a growing bulk of evidence indicates that at high and toxic concentrations, HNE is involved in the onset and propagation of several human diseases. To get more conclusive evidence of HNE as a pathogenetic factor, a pharmacological tool able to inhibit the HNE-induced cellular response is required. Such compound is currently not available, although several molecular strategies have so far been reported with the aim of inhibiting HNE formation or catalyzing its removal. Although most of these are not selective, such strategies have been found to induce several biological responses and would merit further investigation. In this review the various strategies are reported and discussed together with their limits and potentials.
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Affiliation(s)
- Giancarlo Aldini
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milan, Italy.
| | - Marina Carini
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Kyung-Jin Yeum
- Division of Food Bioscience, College of Biomedical and Health Sciences, Konkuk University, Chungju-Si, Republic of Korea
| | - Giulio Vistoli
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milan, Italy
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Xie LB, Zeng DY, Wang XD, Lin T, Li YP, Lu YP. Preconditioning With Gabexate Is Superior to Inosine for Ameliorating Acute Renal Ischemia-Reperfusion Injury in Rats. Transplant Proc 2014; 46:40-5. [DOI: 10.1016/j.transproceed.2013.10.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2013] [Revised: 09/29/2013] [Accepted: 10/02/2013] [Indexed: 11/16/2022]
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34
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Hu JF, Zhang GJ, Wang L, Kang PF, Li J, Wang HJ, Gao Q, Chen YQ. Ethanol at low concentration attenuates diabetes induced lung injury in rats model. J Diabetes Res 2014; 2014:107152. [PMID: 25019090 PMCID: PMC4082928 DOI: 10.1155/2014/107152] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Accepted: 05/26/2014] [Indexed: 01/01/2023] Open
Abstract
To observe the changes of lung injury when diabetic rats were treated with low concentration of ethanol (EtOH) and analyze the related mechanisms, male Sprague-Dawley (SD) rats were divided into control, diabetic (DM), and EtOH+DM groups. Diabetic rat was mimicked by injection of streptozotocin intraperitoneally. Fasting blood glucose (FBG) level, lung weight (LW), body weight (BW), and LW/BW were measured. The changes of lung tissue and Type II alveolar cell were detected. Pulmonary malondialdehyde (MDA) content and superoxide dismutase (SOD) activity were measured; meanwhile, ALDH2 mRNA and protein expressions were detected by RT-PCR and western blotting, respectively. Compared with control group, in DM group, SOD activity was decreased; FBG level, LW/BW, MDA content, ALDH2 mRNA, and protein expressions were decreased. Compared with DM group, in EtOH+DM group, SOD activity, ALDH2 mRNA, and protein expressions were increased; LW/BW and MDA content were decreased. The structures of lung tissue and lamellar bodies were collapsed in DM group; the injury was attenuated in EtOH+DM group. Our findings suggested that, in diabetic rat, pulmonary ALDH2 expression was decreased accompanying lung injury. EtOH at low concentration decreased diabetes induced lung injury through activating ALDH2 expression.
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Affiliation(s)
- Jun-Feng Hu
- Department of Respiratory Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China
| | - Guan-Jun Zhang
- Department of Physiology, Bengbu Medical College, 2600 Dong Hai Avenue, Bengbu 233030, China
| | - Lei Wang
- Department of Physiology, Bengbu Medical College, 2600 Dong Hai Avenue, Bengbu 233030, China
| | - Pin-Fang Kang
- Department of Cardiovascular Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China
| | - Jun Li
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Hong-Ju Wang
- Department of Cardiovascular Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China
| | - Qin Gao
- Department of Physiology, Bengbu Medical College, 2600 Dong Hai Avenue, Bengbu 233030, China
- *Qin Gao:
| | - Yu-Qing Chen
- Department of Respiratory Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China
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Sedaghat Z, Kadkhodaee M, Seifi B, Salehi E, Najafi A, Dargahi L. Remote preconditioning reduces oxidative stress, downregulates cyclo-oxygenase-2 expression and attenuates ischaemia-reperfusion-induced acute kidney injury. Clin Exp Pharmacol Physiol 2013; 40:97-103. [PMID: 23240616 DOI: 10.1111/1440-1681.12044] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 12/12/2012] [Indexed: 11/29/2022]
Abstract
Remote preconditioning (rPeC) is a phenomenon by which short-time intermittent ischaemia-reperfusion (I/R) of a remote organ during ischaemia protects other organs from I/R injury (IRI). The aim of the present study was to investigate the protective effect of rPeC on renal IRI in rats. Rats were subjected to right nephrectomy and randomized as into a sham group (no additional intervention), an I/R group (subjected to 45 min left renal pedicle occlusion) and an rPeC group (subjected to four cycles of 5 min I/R of the left femoral artery administered at the beginning of renal ischaemia). After 24 h, blood, urine and tissue samples were collected. Compared with the sham group, I/R resulted in renal dysfunction, as evidenced by significantly lower creatinine clearance (CCr; 0.52 ± 0.06 vs 0.11 ± 0.02 mL/min, respectively) and higher fractional excretion of sodium (FE(Na) ; 0.80 ± 0.07% vs 2.46 ± 0.20%, respectively). This was accompanied by decreased superoxide dismutase (SOD; 6.9 ± 1.7 vs 26.7 ± 2.7 U/g tissue) and catalase (CAT; 20.2 ± 8.8 vs 32.2 ± 8.7 K/g tissue) activity in the I/R group, as well as decreased levels of reduced glutathione (GSH; 21.7 ± 8.1 vs 81.2 ± 20.2 μmol/g tissue) and increased malondialdehyde levels (MDA; 1.2 to 0.1 vs 0.5 ± 0.2 μmol/100 mg), cyclo-oxygenase (COX)-2 expression and histological damage. In the rPeC group, renal histology and function were significantly improved (CCr 0.32 ± 0.02 mL/min; FE(Na) 1.33 ± 0.12%) compared with the I/R group. Furthermore, compared with the I/R group, the rPeC group exhibited increases in SOD and CAT activity (22.8 ± 3.8 U/g tissue and 21.7 ± 8.6 K/g tissue, respectively), increased GSH levels (74.0 ± 4.9) and decreased MDA levels (1.1 ± 0.3 μmol/100 mg) and COX-2 expression. In conclusion, rPeC appears to exert protective effects against renal IRI. This protection may be a consequence of reductions in lipid peroxidation, intensification of anti-oxidant systems and downregulation of COX-2 expression. A simple approach, rPeC may be a promising strategy for protection against IRI in clinical practice.
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Affiliation(s)
- Zahra Sedaghat
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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36
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Morita K, Oniki K, Miyazaki H, Saruwatari J, Ogata Y, Mizobe M, Yamamuro M, Hokimoto S, Ogawa H, Nakagawa K. Aldehyde dehydrogenase 2 as a potential protective factor for renal insufficiency in Japanese subjects with heart failure: a pilot study. J Hum Hypertens 2013; 28:279-81. [DOI: 10.1038/jhh.2013.90] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Cachafeiro M, Bemelmans AP, Samardzija M, Afanasieva T, Pournaras JA, Grimm C, Kostic C, Philippe S, Wenzel A, Arsenijevic Y. Hyperactivation of retina by light in mice leads to photoreceptor cell death mediated by VEGF and retinal pigment epithelium permeability. Cell Death Dis 2013; 4:e781. [PMID: 23990021 PMCID: PMC3763463 DOI: 10.1038/cddis.2013.303] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 05/22/2013] [Accepted: 06/17/2013] [Indexed: 11/29/2022]
Abstract
Light toxicity is suspected to enhance certain retinal degenerative processes such as age-related macular degeneration. Death of photoreceptors can be induced by their exposure to the visible light, and although cellular processes within photoreceptors have been characterized extensively, the role of the retinal pigment epithelium (RPE) in this model is less well understood. We demonstrate that exposition to intense light causes the immediate breakdown of the outer blood–retinal barrier (BRB). In a molecular level, we observed the slackening of adherens junctions tying up the RPE and massive leakage of albumin into the neural retina. Retinal pigment epithelial cells normally secrete vascular endothelial growth factor (VEGF) at their basolateral side; light damage in contrast leads to VEGF increase on the apical side – that is, in the neuroretina. Blocking VEGF, by means of lentiviral gene transfer to express an anti-VEGF antibody in RPE cells, inhibits outer BRB breakdown and retinal degeneration, as illustrated by functional, behavioral and morphometric analysis. Our data show that exposure to high levels of visible light induces hyperpermeability of the RPE, likely involving VEGF signaling. The resulting retinal edema contributes to irreversible damage to photoreceptors. These data suggest that anti-VEGF compounds are of therapeutic interest when the outer BRB is altered by retinal stresses.
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Affiliation(s)
- M Cachafeiro
- Unit of Gene Therapy & Stem Cell Biology, Jules-Gonin Eye Hospital, University of Lausanne, Lausanne, Switzerland
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38
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Activation of ALDH2 with ethanol attenuates diabetes induced myocardial injury in rats. Food Chem Toxicol 2013; 56:419-24. [DOI: 10.1016/j.fct.2013.02.057] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Revised: 02/20/2013] [Accepted: 02/21/2013] [Indexed: 11/20/2022]
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N-acetylcysteine for the prevention of non-contrast media agent-induced kidney injury: from preclinical data to clinical evidence. Eur J Clin Pharmacol 2013; 69:1375-90. [DOI: 10.1007/s00228-013-1494-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 02/27/2013] [Indexed: 12/19/2022]
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40
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Ergün Y, Kurutaş EB, Atalay F, Alıcı T. Effects of silibinin and ethanol on skeletal muscle ischemia-reperfusion injury. Acta Cir Bras 2013; 28:179-84. [DOI: 10.1590/s0102-86502013000300004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Accepted: 01/18/2013] [Indexed: 11/22/2022] Open
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Kokaze A, Ishikawa M, Matsunaga N, Karita K, Yoshida M, Shimada N, Ohtsu T, Shirasawa T, Ochiai H, Hoshino H, Takashima Y. Combined effect of mitochondrial DNA 5178 C/A polymorphism and alcohol consumption on estimated glomerular filtration rate in male Japanese health check-up examinees: a cross-sectional study. BMC Nephrol 2013; 14:35. [PMID: 23402433 PMCID: PMC3575228 DOI: 10.1186/1471-2369-14-35] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 02/04/2013] [Indexed: 12/05/2022] Open
Abstract
Background Prevention of chronic kidney disease (CKD) is a major public health issue. Although several studies have been performed on the association between alcohol consumption and CKD or renal function, it remains controversial. Numerous genetic polymorphisms have been reported to be associated with CKD and kidney function. Mitochondrial DNA cytosine/adenine (Mt5178 C/A) polymorphism is associated with longevity in Japanese. This polymorphism modifies the effects of alcohol consumption on blood pressure, risk of hypertension, serum triglyceride levels, risk of hyper-LDL cholesterolemia and serum uric acid levels. The objective of this study was to investigate whether Mt5178 C/A polymorphism modifies the effects of alcohol consumption on renal function in male Japanese health check-up examinees. Methods A total of 394 male subjects aged 29–76 years were selected from among individuals visiting the hospital for regular medical check-ups. After Mt5178 C/A genotyping, a cross-sectional study assessing the combined effects of Mt5178 C/A polymorphism and habitual drinking on the risk of mildly decreased estimated glomerular filtration rate (eGFR) (<90 ml/min/1.73 m2) was conducted. Results For Mt5178A genotypic men, habitual drinking may increase eGFR (P for trend = 0.003) or reduce the risk of mildly decreased eGFR (P for trend = 0.003). Daily drinkers had a significantly higher eGFR than non-drinkers (P = 0.005). The crude odds ratio for decreased eGFR was significantly lower in daily drinkers than in non-drinkers (odds ratio = 0.092, 95% confidence interval: 0.012-0.727, P = 0.024). On the other hand, for Mt5178C genotypic men, habitual drinking does not appear to affect eGFR. Conclusion The present results suggest a joint effect of Mt5178 C/A polymorphism and alcohol consumption on eGFR and the risk of mildly decreased eGFR in male Japanese subjects.
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Affiliation(s)
- Akatsuki Kokaze
- Department of Public Health, Showa University School of Medicine, 1-5-8 Hatanodai, Tokyo 142-8555, Japan.
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Feng Y, Liu Y, Wang L, Cai X, Wang D, Wu K, Chen H, Li J, Lei W. Sustained oxidative stress causes late acute renal failure via duplex regulation on p38 MAPK and Akt phosphorylation in severely burned rats. PLoS One 2013; 8:e54593. [PMID: 23349934 PMCID: PMC3547934 DOI: 10.1371/journal.pone.0054593] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Accepted: 12/13/2012] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Clinical evidence indicates that late acute renal failure (ARF) predicts high mortality in severely burned patients but the pathophysiology of late ARF remains undefined. This study was designed to test the hypothesis that sustained reactive oxygen species (ROS) induced late ARF in a severely burned rat model and to investigate the signaling mechanisms involved. MATERIALS AND METHODS Rats were exposed to 100°C bath for 15 s to induce severe burn injury (40% of total body surface area). Renal function, ROS generation, tubular necrosis and apoptosis, and phosphorylation of MAPK and Akt were measured during 72 hours after burn. RESULTS Renal function as assessed by serum creatinine and blood urea nitrogen deteriorated significantly at 3 h after burn, alleviated at 6 h but worsened at 48 h and 72 h, indicating a late ARF was induced. Apoptotic cells and cleavage caspase-3 in the kidney went up slowly and turned into significant at 48 h and 72 h. Tubular cell ROS production shot up at 6 h and continuously rose during the 72-h experiment. Scavenging ROS with tempol markedly attenuated tubular apoptosis and renal dysfunction at 72 h after burn. Interestingly, renal p38 MAPK phosphorylation elevated in a time dependent manner whereas Akt phosphorylation increased during the first 24 h but decreased at 48 h after burn. The p38 MAPK specific inhibitor SB203580 alleviated whereas Akt inhibitor exacerbated burn-induced tubular apoptosis and renal dysfunction. Furthermore, tempol treatment exerted a duplex regulation through inhibiting p38 MAPK phosphorylation but further increasing Akt phosphorylation at 72 h postburn. CONCLUSIONS These results demonstrate that sustained renal ROS overproduction induces continuous tubular cell apoptosis and thus a late ARF at 72 h after burn in severely burned rats, which may result from ROS-mediated activation of p38 MAPK but a late inhibition of Akt phosphorylation.
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Affiliation(s)
- Yafei Feng
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
- Department of Physiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Yi Liu
- Department of Oral Implantology, School of Stomatology, Fourth Military Medical University, Xi'an, China
- Department of Physiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Lin Wang
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xiaoqing Cai
- Department of Physiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Dexin Wang
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Kaimin Wu
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Hongli Chen
- Department of Toxicology, Fourth Military Medical University, Xi'an, China
| | - Jia Li
- Department of Physiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Wei Lei
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Hydrogen sulfide as an endogenous modulator in mitochondria and mitochondria dysfunction. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2012; 2012:878052. [PMID: 23304257 PMCID: PMC3523162 DOI: 10.1155/2012/878052] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 11/05/2012] [Accepted: 11/13/2012] [Indexed: 01/22/2023]
Abstract
Hydrogen sulfide (H2S) has historically been considered to be a toxic gas, an environmental and occupational hazard. However, with the discovery of its presence and enzymatic production through precursors of L-cysteine and homocysteine in mammalian tissues, H2S has recently received much interest as a physiological signaling molecule. H2S is a gaseous messenger molecule that has been implicated in various physiological and pathological processes in mammals, including vascular relaxation, angiogenesis, and the function of ion channels, ischemia/reperfusion (I/R), and heart injury. H2S is an endogenous neuromodulator and present studies show that physiological concentrations of H2S enhance NMDA receptor-mediated responses and aid in the induction of hippocampal long-term potentiation. Moreover, in the field of neuronal protection, physiological concentrations of H2S in mitochondria have many favorable effects on cytoprotection.
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Szaroma W, Dziubek K, Greń A, Kreczmer B, Kapusta E. Influence of the kainic acid on antioxidant status in the brain, liver and kidneys of the mouse. ACTA ACUST UNITED AC 2012; 99:447-59. [DOI: 10.1556/aphysiol.99.2012.4.9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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45
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Vacas E, Bajo AM, Schally AV, Sánchez-Chapado M, Prieto JC, Carmena MJ. Antioxidant activity of vasoactive intestinal peptide in HK2 human renal cells. Peptides 2012; 38:275-81. [PMID: 23000305 DOI: 10.1016/j.peptides.2012.09.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Revised: 09/10/2012] [Accepted: 09/10/2012] [Indexed: 11/21/2022]
Abstract
Oxidative stress is a major mediator of tissue and cell injuries. The injury in chronic nephrotic syndrome, acute renal failure, myeloma kidney injury and other kidney diseases is initiated by oxidative stress. We have previously demonstrated that vasoactive intestinal peptide (VIP) acts as an antiproliferative agent in renal cancer cells. This study was designed to evaluate the renoprotective activity of VIP against H(2)O(2)-induced oxidative damage in a proximal tubule kidney cell line (human, non-tumor, HK2 cells) in order to investigate the potential usefulness of this peptide in the treatment of oxidative-stress related kidney diseases. HK2 cell viability was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay. Propidium iodide was used to identify cells undergoing apoptosis. Western blotting was performed with anti-Bcl-2, anti-Bax and anti-formyl peptide receptor (low-affinity variant FPRL-1) monoclonal antibodies whereas 2,7-dichlorofluorescein diacetate was used for measurement of levels of intracellular reactive oxygen species (ROS). HK2 cells were injured with H(2)O(2) in order to induce apoptosis: the effect was time- and dose-dependent. VIP increased the levels of the antiapoptotic protein Bcl-2 and decreased those of the proapoptotic protein Bax. VIP decreased the intracellular ROS levels reached by H(2)O(2)-induced oxidative stress. VIP effect on ROS levels involved FPLR-1 but not VPAC(1,2) receptors as evidenced by the use of the respective antagonists WRW4 and JV-1-53. Thus, VIP protects HK2 cells from apoptosis by increasing Bcl-2 levels and this effect is initiated through FPLR1 receptor. In conclusion, VIP might exert a renoprotective effect by the suppression of oxidative stress.
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Affiliation(s)
- Eva Vacas
- Department of Biochemistry and Molecular Biology, University of Alcalá, 28871 Alcalá de Henares, Spain
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Dołęgowska B, Błogowski W, Domański L. Association between the perioperative antioxidative ability of platelets and early post-transplant function of kidney allografts: a pilot study. PLoS One 2012; 7:e29779. [PMID: 22279544 PMCID: PMC3261166 DOI: 10.1371/journal.pone.0029779] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Accepted: 12/04/2011] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Recent studies have demonstrated that the actions of platelets may unfavorably influence post-transplant function of organ allografts. In this study, the association between post-transplant graft function and the perioperative activity of platelet antioxidants was examined among kidney recipients divided into early (EGF), slow (SGF), and delayed graft function (DGF) groups. METHODOLOGY/PRINCIPAL FINDINGS Activities of superoxide dismutase, catalase, glutathione transferase (GST), glutathione peroxidase, and glucose-6-phosphate dehydrogenase (G6P) were determined and levels of glutathione, oxidized glutathione, and isoprostane were measured in blood samples collected immediately before and during the first and fifth minutes of renal allograft reperfusion. Our results demonstrated a significant increase in isoprostane levels in all groups. Interestingly, in DGF patients, significantly lower levels of perioperative activity of catalase (p<0.02) and GST (p<0.02) were observed. Moreover, in our study, the activity of platelet antioxidants was associated with intensity of perioperative oxidative stress. For discriminating SGF/DGF from EGF, sensitivity, specificity, and positive and negative predictive values of platelet antioxidants were 81-91%, 50-58%, 32-37%, and 90-90.5%, respectively. CONCLUSIONS During renal transplantation, significant changes occur in the activity of platelet antioxidants. These changes seem to be associated with post-transplant graft function and can be potentially used to differentiate between EGF and SGF/DGF. To the best of our knowledge, this is the first study to reveal the potential protective role of platelets in the human transplantation setting.
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Affiliation(s)
- Barbara Dołęgowska
- Department of Laboratory Diagnostics and Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
| | - Wojciech Błogowski
- Department of Laboratory Diagnostics and Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
- * E-mail:
| | - Leszek Domański
- Department of Nephrology, Transplantation and Internal Medicine, Pomeranian Medical University, Szczecin, Poland
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