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10.5858/arpa.2021-0213-SA http://scihub22266oqcxt.onion/10.5858/arpa.2021-0213-SA 34181714!ä!34181714 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 298.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 332.4 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 332.4 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 332.4 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 332.4 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 332.4 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Arch+Pathol+Lab+Med 2021 ; 145 (10): 1212-1220 Nephropedia Template TP {{tp|p=34181714|t=2021. Evaluation of a Surrogate Enzyme-Linked Immunosorbent Assay-Based Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) cPass Neutralization Antibody Detection Assay and Correlation With Immunoglobulin G Commercial Serology Assays |pdf=|usr=}}{{34181714}} gab.com Text Evaluation of a Surrogate Enzyme-Linked Immunosorbent Assay-Based Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) cPass Neutralization Antibody Detection Assay and Correlation With Immunoglobulin G Commercial Serology Assays JO: Arch Pathol Lab Med http://www.kidney.de/pget.php?&tw=1&pmid=34181714 #FOAvip CONTEXT.-: Emerging evidence shows correlation between the presence of neutralization antibodies (nAbs) and protective immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently available commercial serology assays lack the ability to specifically identify nAbs. An enzyme-linked immunosorbent assay-based nAb assay (GenScript cPass neutralization antibody assay) has recently received emergency use authorization from the Food and Drug Administration. OBJECTIVE.-: To evaluate the performance characteristics of this assay and compare and correlate it with the commercial assays that detect SARS-CoV-2-specific immunoglobulin G (IgG). DESIGN.-: Specimens from SARS-COV-2 infected patients (n = 124), healthy donors obtained prepandemic (n = 100), and patients with non-coronavirus disease 2019 (COVID-19) respiratory infections (n = 92) were analyzed using this assay. Samples with residual volume were also tested on 3 commercial serology platforms (Abbott, Euroimmun, Siemens). Twenty-eight randomly selected specimens from patients with COVID-19 and 10 healthy controls were subjected to a plaque reduction neutralization test. RESULTS.-: The cPass assay exhibited 96.1% (95% CI, 94.9%-97.3%) sensitivity (at >14 days post-positive PCR), 100% (95% CI, 98.0%-100.0%) specificity, and zero cross-reactivity for the presence of non-COVID-19 respiratory infections. When compared with the plaque reduction assay, 97.4% (95% CI, 96.2%-98.5%) qualitative agreement and a positive correlation (R2 = 0.76) was observed. Comparison of IgG signals from each of the commercial assays with the nAb results from plaque reduction neutralization test/cPass assays displayed greater than 94.7% qualitative agreement and correlations with R2 = 0.43/0.68 (Abbott), R2 = 0.57/0.85 (Euroimmun), and R2 = 0.39/0.63 (Siemens), respectively. CONCLUSIONS.-: The combined data support the use of cPass assay for accurate detection of the nAb response. Positive IgG results from commercial assays associated reasonably with nAbs presence and can serve as a substitute. Twit Text FOAVip Evaluation of a Surrogate Enzyme-Linked Immunosorbent Assay-Based Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) cPass Neutralization Antibody Detection Assay and Correlation With Immunoglobulin G Commercial Serology Assays ????Arch Pathol Lab Med http://www.kidney.de/pget.php?&tw=1&pmid=34181714 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34181714 #FOAvip English Wikipedia <ref>{{Cite pmid|34181714}}</ref> Evaluation of a Surrogate Enzyme-Linked Immunosorbent Assay-Based Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) cPass Neutralization Antibody Detection Assay and Correlation With Immunoglobulin G Commercial Serology Assays #MMPMID34181714 Nandakumar V; Profaizer T; Lozier BK; Elgort MG; Larragoite ET; Williams ESCP; Solis-Leal A; Lopez JB; Berges BK; Planelles V; Rychert J; Slev PR; Delgado JC Arch Pathol Lab Med 2021[Oct]; 145 (10): 1212-1220 PMID34181714show ga CONTEXT.-: Emerging evidence shows correlation between the presence of neutralization antibodies (nAbs) and protective immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently available commercial serology assays lack the ability to specifically identify nAbs. An enzyme-linked immunosorbent assay-based nAb assay (GenScript cPass neutralization antibody assay) has recently received emergency use authorization from the Food and Drug Administration. OBJECTIVE.-: To evaluate the performance characteristics of this assay and compare and correlate it with the commercial assays that detect SARS-CoV-2-specific immunoglobulin G (IgG). DESIGN.-: Specimens from SARS-COV-2 infected patients (n = 124), healthy donors obtained prepandemic (n = 100), and patients with non-coronavirus disease 2019 (COVID-19) respiratory infections (n = 92) were analyzed using this assay. Samples with residual volume were also tested on 3 commercial serology platforms (Abbott, Euroimmun, Siemens). Twenty-eight randomly selected specimens from patients with COVID-19 and 10 healthy controls were subjected to a plaque reduction neutralization test. RESULTS.-: The cPass assay exhibited 96.1% (95% CI, 94.9%-97.3%) sensitivity (at >14 days post-positive PCR), 100% (95% CI, 98.0%-100.0%) specificity, and zero cross-reactivity for the presence of non-COVID-19 respiratory infections. When compared with the plaque reduction assay, 97.4% (95% CI, 96.2%-98.5%) qualitative agreement and a positive correlation (R2 = 0.76) was observed. Comparison of IgG signals from each of the commercial assays with the nAb results from plaque reduction neutralization test/cPass assays displayed greater than 94.7% qualitative agreement and correlations with R2 = 0.43/0.68 (Abbott), R2 = 0.57/0.85 (Euroimmun), and R2 = 0.39/0.63 (Siemens), respectively. CONCLUSIONS.-: The combined data support the use of cPass assay for accurate detection of the nAb response. Positive IgG results from commercial assays associated reasonably with nAbs presence and can serve as a substitute. |Adolescent[MESH] |Adult[MESH] |Aged[MESH] |Antibodies, Neutralizing/blood/*immunology[MESH] |Antibodies, Viral/blood/*immunology[MESH] |COVID-19 Serological Testing/*methods[MESH] |COVID-19/*diagnosis/epidemiology/virology[MESH] |Child[MESH] |Child, Preschool[MESH] |Cohort Studies[MESH] |Enzyme-Linked Immunosorbent Assay/*methods[MESH] |Epidemics/prevention & control[MESH] |Humans[MESH] |Immunoglobulin G/blood/*immunology[MESH] |Middle Aged[MESH] |Reproducibility of Results[MESH] |SARS-CoV-2/genetics/*immunology/physiology[MESH] |Sensitivity and Specificity[MESH]Evaluation of a Surrogate Enzyme-Linked Immunosorbent Assay-Based Seve(epmc).pdf DeepDyve Pubget Overpricing