ArticleMolecular and cellular endocrinology2021
Newly developed radioimmunoassay for Human Angiotensin-(1-12) measurements in plasma and urine.
Article in Molecular and cellular endocrinology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
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Who cites it
8 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.
- A systematic review of the measurement of the renin-angiotensin and kallikrein-kinin system peptides in normotension and hypertension.Journal of human hypertension · 2026Pooled it
- Aminopeptidase A Effect on Angiotensin Peptides and Their Blood Pressure Action.International journal of molecular sciences · 2025Article
- Progress in Procalcitonin Detection Based on Immunoassay.Research (Washington, D.C.) · 2024Review
- A Liquid Biopsy-Based Approach to Isolate and Characterize Adipose Tissue-Derived Extracellular Vesicles from Blood.ACS nano · 2023Article
- Internalization of Angiotensin-(1-12) in Adult Retinal Pigment Epithelial-19 Cells.Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics · 2023Article
- Impact of early pericardial fluid chymase activation after cardiac surgery.Frontiers in cardiovascular medicine · 2023Article
- The renin-angiotensin system biomolecular cascade: a 2022 update of newer insights and concepts.Kidney international supplements · 2022Review
- Immunoneutralization of human angiotensin-(1-12) with a monoclonal antibody in a humanized model of hypertension.Peptides · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
The dodecapeptide angiotensin-(1-12) [Ang-(1-12)] functions as an intracrine/paracrine substrate for local production of angiotensin II. We developed a reliable and specific radioimmunoassay (RIA) method for the measurement of Ang-(1-12) in human plasma and urine using an affinity purified antibody fraction directed towards the C-terminus of the human Ang-(1-12) sequence. The RIA method was applied to quantify the Ang-(1-12) in plasma and urine collected from thirty-four human subjects (29 treated with antihypertensive medicines and 5 untreated patients). Plasma Ang-(1-12) level was significantly higher (P < 0.05) in patients with systolic blood pressure ≥140 mm Hg (n = 10) compared to the group with systolic blood pressure <140 mm Hg (n = 24). No significant difference (P = 0.22) was found in spot urine between the groups. Our study also shows that the polyclonal antibody neutralizes the cleavage sites of the human Ang-(1-12) from recombinant human chymase (rhChymase) and serum angiotensin converting enzyme (ACE) mediated Ang II generating hydrolysis. Overall, this newly developed RIA method is reliable and applicable to accurately quantify the Ang-(1-12) level in clinical samples (plasma and urine). Further, our in vitro neutralization study suggests that the anti-Ang-(1-12)-antibody might be used as an in vivo therapeutic agent for preventing Ang-(1-12)/Ang II-mediated hypertension and organ damage.
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