Automatic wedge smears preparation may cause traumatic morphological changes in peripheral blood cells

2017 ◽  
Vol 71 (2) ◽  
pp. 168-171 ◽  
Author(s):  
Antonio La Gioia ◽  
Maurizio Fumi ◽  
Paola Pezzati ◽  
Fiamma Balboni ◽  
Ylenia Pancione ◽  
...  

In recent years, several automated analysers that prepare and stain blood smears have been introduced in clinical laboratories. Despite the use of instrumental settings based on physical characteristic of individual samples, traumatic injuries of neutrophil and lymphocytes can be observed. Some samples present a very high percentage of damaged cells, allowing the speculation that a cellular susceptibility may enhance mechanical traumatism. These artefacts can puzzle morphological evaluation in both traditional and digitised microscopy; in addition, unskilled operators can be misled.

1986 ◽  
Vol 114 (2) ◽  
pp. 189-196 ◽  
Author(s):  
K. RAPPERSBERGER ◽  
K. KONRAD ◽  
E. WIESER ◽  
H. WEBER ◽  
K. WOLFF

2018 ◽  
Vol 26 (2) ◽  
pp. 17-21
Author(s):  
A. A. Sidelnikova

A morphological study of the formed elements of peripheral blood in experimental animals (rabbits) induced by opisthorchiasis in the treatment Biltricid, Acorsol and Triad Premium. When applying Acorsol and Triad Premium discovered toxic granularity of the cytoplasm of segmented and band at pseudoeosinophils. Segmented shape was characterized by hypersegmented kernel. When applying Biltricid stab pseudoeosinophils in the blood is not detected. The segmented pseudoeosinophils had a pronounced toxic or grit, or completely had no granules in the cytoplasm were single or multiple vacuoles calf Knyazkova is the Case. Young forms are discovered in the application of the Triad Premium. Eosinophils in all cases had partial basophilic granules. In the cytoplasm of basophils in all groups of granules are partially absent, but to a greater extent in the treatment of Acorsol. Form Turk in contrast to the control were isolated. Forms Reader in a smaller number of detected only with the use of Acorsol. The shadows Botkin-Gumprecht-Klein considerable amount detected in the application of Biltricid and in control. In the study of red blood cells poikilocytosis detected in all cases. But when you apply Biltricid still identified anisochromia, basophilic punctuation. Thus, the most pronounced changes of erythrocytes and leucocytes was observed after treatment of opisthorchiasis Biltricid, with other drugs and control. But unlike Biltricid, in the treatment of opisthorchiasis Triad Premium and Acorsol visually, there was an increase in the size of blood platelets. When morphometry diameter pseudoeosinophils and eosinophils in animals with the treatment and the control was normal according to the literature. However, without treatment, the diameter of pseudoeosinophils and eosinophils was greater than in cells of animals with all treatment options. There were no significant differences in the diameter of eosinophils in the treatment with Triad Premium and Biltricide.


1987 ◽  
Vol 58 (03) ◽  
pp. 936-942 ◽  
Author(s):  
Lindsey A Miles ◽  
Edward F Plow

SummaryGlu-plasminogen binds to platelets; the monocytoid line, U937, and the human fetal fibroblast line, GM1380 bind both plasminogen and its activator, urokinase. This study assesses the interaction of these fibrinolytic proteins with circulating human blood cells. Plasminogen bound minimally to red cells but bound saturably and reversibly to monocytes, granulocytes and lymphocytes with apparent Kd values of 0.9-1.4 μM. The interactions were of high capacity with 1.6 to 49 × 105 sites/cell and involved the lysine binding sites of plasminogen. Both T cells and non-rosetting lymphocytes and two B cell lines saturably bound plasminogen. Urokinase bound saturably to gianulocytes, monocytes, non-rosetting lymphocytes and a B cell line, but minimally to T cells, platelets and red cells. Therefore, plasminogen binding sites of high capacity, of similar affinities, and with common recognition specificities are expressed by many peripheral blood cells. Urokinase receptors are also widely distributed, but less so than plasminogen binding sites. The binding ol plasminogen and/ or urokinase to these cells may lead to generation of cell- associated proteolytic activity which contributes to a variety of cellular functions.


2020 ◽  
Vol 11 ◽  
Author(s):  
Miguel A. Andrade-Navarro ◽  
Katja Mühlenberg ◽  
Eike J. Spruth ◽  
Nancy Mah ◽  
Adrián González-López ◽  
...  

Huntington's disease (HD) is an autosomal dominantly inherited neurodegenerative disorder caused by a trinucleotide repeat expansion in the Huntingtin gene. As disease-modifying therapies for HD are being developed, peripheral blood cells may be used to indicate disease progression and to monitor treatment response. In order to investigate whether gene expression changes can be found in the blood of individuals with HD that distinguish them from healthy controls, we performed transcriptome analysis by next-generation sequencing (RNA-seq). We detected a gene expression signature consistent with dysregulation of immune-related functions and inflammatory response in peripheral blood from HD cases vs. controls, including induction of the interferon response genes, IFITM3, IFI6 and IRF7. Our results suggest that it is possible to detect gene expression changes in blood samples from individuals with HD, which may reflect the immune pathology associated with the disease.


2001 ◽  
Vol 344 (3) ◽  
pp. 175-181 ◽  
Author(s):  
William I. Bensinger ◽  
Paul J. Martin ◽  
Barry Storer ◽  
Reginald Clift ◽  
Steven J. Forman ◽  
...  

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