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Estimation of numbe...
Estimation of numbers of mature and immature neutrophils in blood by a novel, rapid and simple technology
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- Venge, Per (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,;Diagnost Dev, Uppsala, Sweden.
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- Eriksson, Ann-Katrin (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Diagnost Dev, Uppsala, Sweden.
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- Moberg, Lena (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper
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- Peterson, Christer (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Diagnost Dev, Uppsala, Sweden.
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- Xu, Shengyuan (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Diagnost Dev, Uppsala, Sweden.
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Hamberg, Kerstin (författare)
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- Höglund, Martin (författare)
- Uppsala universitet,Hematologi
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(creator_code:org_t)
- 2021-03-29
- 2021
- Engelska.
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Ingår i: Scandinavian Journal of Clinical and Laboratory Investigation. - : Taylor & Francis. - 0036-5513 .- 1502-7686. ; 81:4, s. 307-311
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Abstract
Ämnesord
Stäng
- Counting numbers of blood neutrophils is one of the most common laboratory tests in modern clinical medicine. In this report, we have tested the idea that immunoassay of major constituents of mature neutrophils might serve as proxy of cell counting and allow the development of rapid and simple point-of-care tests. The procedure may also allow for the estimate of the state of maturity of the circulating blood cells. Immunoassays for myeloperoxidase (MPO) and lactoferrin (LF) were used to measure the respective protein in whole blood extracts of 275 unselected hospitalized patient and in 51 healthy controls and leukemia patients of which eight were followed before, during and after remission treatment. MPO was correlated to neutrophil counts in the unselected hospitalized population (r = 0.95, p <.0001). Huge variations were seen in whole blood extracts of patients with AML with very high MPO/LF ratios in half of the AML patients and in all three patients with APL. In extracts from patients with ALL no difference was found in the ratio as compared to healthy persons. The monitoring of AML patients during remission treatment showed intriguing patterns one of which suggested the possibility to monitor the myelopoietic activity in the bone marrow during the recovery phase. We show a novel and easy technology to count mature neutrophils in blood and also to monitor myeloid cell maturity in the blood as well as myelopoietic activity in the bone marrow. The technology lends itself to the development of a rapid and simple point-of-care test.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
Nyckelord
- Acute myeloid leukemia
- acute promyelocytic leukemia
- white blood cell differential count
- point-of-care
- immunoassay
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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