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Xu B, Zhang JE, Ye L, Yuan CW. The Role of the ADAMTS18 Gene-Induced Immune Microenvironment in Mouse Kidney Development. Biomedicines 2024; 12:396. [PMID: 38397998 PMCID: PMC10887409 DOI: 10.3390/biomedicines12020396] [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: 09/27/2023] [Revised: 02/01/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
The aim of this study is to investigate the role of the ADAMTS18 gene in regulating the renal development of mice. PAS staining was used to observe the kidney development of E12.5-E17.5 mice, while immunofluorescence staining and RT-PCR were used to observe the expression of ADAMTS18. Ureteric bud (UB) branches were observed using immunofluorescence staining using the UB marker E-cadherin, and the apoptosis and proliferation of posterior renal mesenchymal cells were analyzed using TUNEL and PH3 fluorescence staining. Flow cytometry was used to analyze the immune cell infiltration, and western blotting (WB) was used to analyze the expression of PD-1/PD-L1 and CTLA-4. As a result, the ADAMTS18 gene expression gradually increased as the kidney continued to mature during embryonic development. Compared with that in the control and vector groups, UB branching was significantly reduced in the ADAMTS18 deletion group (p < 0.05), but that deletion of ADAMTS18 did not affect posterior renal mesenchymal cell proliferation or apoptosis (p > 0.05). Compared with those in the control and vector groups, the proportion of embryonic kidney B cells and the proportion of CD8+ cells were significantly greater after ADAMTS18 was knocked down (p < 0.05), but the difference in neutrophil counts was not significant (p > 0.05). The WB analysis revealed that the PD-1/PD-L1 and CTLA-4 expression was significantly increased after ADAMTS18 was knocked down (p < 0.05). In conclusion, the ADAMTS18 gene may be involved in mice kidney development by regulating the immune microenvironment and activating immune checkpoints. Deletion of the ADAMTS18 gene may be unfavorable for kidney development.
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Affiliation(s)
- Ben Xu
- Department of Urology, Peking University First Hospital and Institute of Urology, Peking University, Beijing 100034, China
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Urine Protein/Creatinine Ratio in Thrombotic Microangiopathies: A Simple Test to Facilitate Thrombotic Thrombocytopenic Purpura and Hemolytic and Uremic Syndrome Diagnosis. J Clin Med 2022; 11:jcm11030648. [PMID: 35160098 PMCID: PMC8836555 DOI: 10.3390/jcm11030648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/14/2022] [Accepted: 01/24/2022] [Indexed: 12/13/2022] Open
Abstract
Background: Early diagnosis of thrombotic thrombocytopenic purpura (TTP) versus hemolytic and uremic syndrome (HUS) is critical for the prompt initiation of specific therapies. Objective: To evaluate the diagnostic performance of the proteinuria/creatininuria ratio (PU/CU) for TTP versus HUS. Patients/Methods: In a retrospective study, in association with the “French Score” (FS) (platelets < 30 G/L and serum creatinine level < 200 µmol/L), we assessed PU/CU for the diagnosis of TTP in patients above the age of 15 with thrombotic microangiopathy (TMA). Patients with a history of kidney disease or with on-going cancer, allograft or pregnancy were excluded from the analysis. Results: Between February 2011 and April 2019, we identified 124 TMA. Fifty-six TMA patients for whom PU/CU were available, including 35 TTP and 21 HUS cases, were considered. Using receiver–operating characteristic curves (ROC), those with a threshold of 1.5 g/g for the PU/CU had a 77% sensitivity (95% CI (63, 94)) and a 90% specificity (95% CI (71, 100)) for TTP diagnosis compared with those having an 80% sensitivity (95% CI (66, 92)) and a 90% specificity (95% CI (76, 100) with a FS of 2. In comparison, a composite score, defined as a FS of 2 or a PU/CU ≤ 1.5 g/g, improved sensitivity to 99.6% (95% CI (93, 100)) for TTP diagnosis and enabled us to reclassify seven false-negative TTP patients. Conclusions: The addition of urinary PU/CU upon admission of patients with TMA is a fast and readily available test that can aid in the differential diagnosis of TTP versus HUS alongside traditional scoring.
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Andreucci M, Provenzano M, Faga T, Michael A, Patella G, Mastroroberto P, Serraino GF, Bracale UM, Ielapi N, Serra R. Aortic Aneurysms, Chronic Kidney Disease and Metalloproteinases. Biomolecules 2021; 11:194. [PMID: 33573220 PMCID: PMC7912263 DOI: 10.3390/biom11020194] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 12/12/2022] Open
Abstract
Metalloproteinases (MPs) are proteolytic enzymes involved in extracellular matrix deposition, regulation of cellular signals of inflammation, proliferation, and apoptosis. Metalloproteinases are classified into three families: Matrix-MPs (MMPs), A-Disintegrin-and-Metalloprotease (ADAMs), and the A-Disintegrin-and-Metalloproteinase-with-Thrombospondin-1-like-Domains (ADAMTS). Previous studies showed that MPs are involved in the development of aortic aneurysms (AA) and, concomitantly, in the onset of chronic kidney disease (CKD). CKD has been, per se, associated with an increased risk for AA. The aim of this review is to examine the pathways that may associate MPs with CKD and AA. Several MMPs, such as MMP-2, -8, -9, and TIMP-1 have been shown to damage the AA wall and to have a toxic effect on renal tubular cells, leading to fibrosis. Similarly, ADAM10 and 17 have been shown to degrade collagen in the AA wall and to worsen kidney function via pro-inflammatory stimuli, the impairment of the Renin-Angiotensin-Aldosterone System, and the degradation of structural proteins. Moreover, MMP-2 and -9 inhibitors reduced aneurysm growth and albuminuria in experimental and human studies. It would be important, in the future, to expand research on MPs from both a prognostic, namely, to refine risk stratification in CKD patients, and a predictive perspective, likely to improve prognosis in response to targeted treatments.
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Affiliation(s)
- Michele Andreucci
- Department of Health Sciences, “Magna Graecia” University, I-88100 Catanzaro, Italy; (M.A.); (T.F.); (A.M.); (G.P.)
| | - Michele Provenzano
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Viale Europa, I-88100 Catanzaro, Italy;
| | - Teresa Faga
- Department of Health Sciences, “Magna Graecia” University, I-88100 Catanzaro, Italy; (M.A.); (T.F.); (A.M.); (G.P.)
| | - Ashour Michael
- Department of Health Sciences, “Magna Graecia” University, I-88100 Catanzaro, Italy; (M.A.); (T.F.); (A.M.); (G.P.)
| | - Gemma Patella
- Department of Health Sciences, “Magna Graecia” University, I-88100 Catanzaro, Italy; (M.A.); (T.F.); (A.M.); (G.P.)
| | - Pasquale Mastroroberto
- Department of Experimental and Clinical Medicine, University of Catanzaro, I-88100 Catanzaro, Italy; (P.M.); (G.F.S.)
| | - Giuseppe Filiberto Serraino
- Department of Experimental and Clinical Medicine, University of Catanzaro, I-88100 Catanzaro, Italy; (P.M.); (G.F.S.)
| | | | - Nicola Ielapi
- Department of Public Health and Infectious Disease, “Sapienza” University of Rome, I-00185 Roma, Italy;
| | - Raffaele Serra
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Viale Europa, I-88100 Catanzaro, Italy;
- Interuniversity Center of Phlebolymphology (CIFL), “Magna Graecia” University, I-88100 Catanzaro, Italy
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Zeng M, Chen Q, Liang W, He W, Zheng H, Huang C. Predictive value of ADAMTS-13 on concealed chronic renal failure in COPD patients. Int J Chron Obstruct Pulmon Dis 2017; 12:3495-3501. [PMID: 29255356 PMCID: PMC5723126 DOI: 10.2147/copd.s151983] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Impaired renal function is often neglected in COPD patients. Considering that COPD patients usually have an ongoing prothrombotic state and systemic inflammation status, we investigated the association among them and explored the predictive value of a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13 (ADAMTS-13), on concealed chronic renal failure (CRF) in COPD patients. Methods COPD patients were recruited from the First Affiliated Hospital of Sun Yat-Sen University between January 2015 and December 2016. Control was selected from contemporaneous hospitalized patients without COPD and matched by age and gender at a ratio of 1:1. Estimated glomerular filtration rate (eGFR) was calculated by using the Chronic Kidney Disease Epidemiology Collaboration formula, and all subjects were categorized as having normal renal function (eGFR ≥60 mL min-1 1.73 m-2) and having concealed CRF (normal serum creatinine while eGFR <60 mL min-1 1.73 m-2). Independent correlates of concealed CRF were investigated by logistic regression analysis, and receiver operating characteristic (ROC) curves were used to determine the predictive value of ADAMTS-13. Results In total, 106 COPD and 106 non-COPD patients were finally recruited, and the incidences of concealed CRF were 19.81% and 7.55%, respectively. ADAMTS-13 (odds ratio [OR] =0.858, 95% CI =0.795-0.926), D-dimer (OR =1.095, 95% CI =1.027-1.169), and C-reactive protein (OR =1.252, 95% CI =1.058-1.480) were significantly associated with concealed CRF. Sensitivity and specificity at an ADAMTS-13 cutoff of 318.72 ng/mL were 100% and 81.2%, respectively. The area under the ROC curve was 0.959. Conclusion Prothrombotic state and systemic inflammation status might contribute to explaining the high incidence of concealed CRF in COPD, and plasma ADAMTS-13 levels may serve as a strong predictor.
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Affiliation(s)
- Mian Zeng
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Qingui Chen
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Wenjie Liang
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Wanmei He
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Haichong Zheng
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Chunrong Huang
- Department of Medical Intensive Care Unit, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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Sedaghat S, de Vries PS, Boender J, Sonneveld MAH, Hoorn EJ, Hofman A, de Maat MPM, Franco OH, Ikram MA, Leebeek FWG, Dehghan A. von Willebrand Factor, ADAMTS13 Activity, and Decline in Kidney Function: A Population-Based Cohort Study. Am J Kidney Dis 2016; 68:726-732. [PMID: 27497525 DOI: 10.1053/j.ajkd.2016.05.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 05/13/2016] [Indexed: 11/11/2022]
Abstract
BACKGROUND Altered levels of von Willebrand factor (vWF) and ADAMTS13 can promote thrombosis and disturb blood flow in kidney microcirculations. We investigated the association of serum vWF:ADAMTS13 ratio in relation to decline in kidney function. STUDY DESIGN Prospective cohort study. SETTING & PARTICIPANTS 2,479 individuals (mean age, 65.1±5.9 [SD] years; 43% men) from the population-based Rotterdam Study. PREDICTORS vWF, ADAMTS13, and vWF:ADAMTS13 ratio. OUTCOMES & MEASUREMENTS Annual decline in estimated glomerular filtration rate (eGFR), halving of eGFR, and new-onset eGFR<60mL/min/1.73m2 were assessed. RESULTS During a median follow-up of 11 (range, 7.81-13.57) years, 500 cases of new-onset eGFR<60mL/min/1.73m2 occurred. The population had a mean eGFR decline of 0.96±0.92mL/min/1.73m2 per year. Higher vWF:ADAMTS13 ratio was associated with steeper annual decline in eGFR (difference, -0.06 [95% CI, -0.09 to -0.02] mL/min/1.73m2 per year) and higher risk for new-onset eGFR<60mL/min/1.73m2 (OR, 1.13; 95% CI, 1.01-1.27). Likewise, higher vWF:ADAMTS13 ratio was associated with higher risk for halving of eGFR (OR, 1.40; 95% CI, 1.02-1.93). After adjustment for cardiovascular risk factors and blood group, effect estimates remained the same. LIMITATIONS No data available for albuminuria. Participants were classified based on a single measurement of vWF and ADAMTS13. CONCLUSIONS In this population-based study, we showed that higher vWF:ADAMTS13 ratio is associated with decline in kidney function, suggesting a role of elevated prothrombotic factors in the development and progression of kidney disease.
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Affiliation(s)
- Sanaz Sedaghat
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Paul S de Vries
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Johan Boender
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Michelle A H Sonneveld
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Ewout J Hoorn
- Department of Internal Medicine-Nephrology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Albert Hofman
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Moniek P M de Maat
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Oscar H Franco
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Radiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Frank W G Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Abbas Dehghan
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands.
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Jamale TE, Hase NK, Kulkarni M, Iqbal AM, Rurali E, Kulkarni MG, Shetty P, Pradeep KJ. Hereditary ADAMTS 13 deficiency presenting as recurrent acute kidney injury. Indian J Nephrol 2012; 22:298-300. [PMID: 23162276 PMCID: PMC3495354 DOI: 10.4103/0971-4065.101257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We report here a case of 26-year-old male who presented with history of recurrent acute renal failure associated with microangiopathic hemolytic anemia and thrombocytopenia. ADAMTS 13 deficiency due to mutation in the gene encoding for ADAMTS 13 was identified as the cause. After eight episodes of acute kidney injury (AKI), patient started developing hypertension, proteinuria, and renal insufficiency. Treatment with regular monthly plasma infusions prevented further episodes of AKI and stabilized the renal function. Hypertension and proteinuria are controlled with angiotensin II receptor blockers.
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Affiliation(s)
- T E Jamale
- Department of Nephrology, Seth GS Medical College and King Edward Memorial Hospital, Mumbai, India
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