Sangre · 1992
[Stereological study of the fat cells in bone marrows with a heterogeneous distribution of adipose tissue].
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Rozman C, Reverter J C, Feliu E, Rozman M, Climent C, Berga L
Аннотация
PURPOSE: 1) To analyze to what extent the fat tissue fraction of the human bone marrow with heterogeneous distribution depends on size and number of adipocytes. 2) To infer the influence of local factors on the two aforementioned parameters.
MATERIAL AND METHODS: The material was made up of 15 specimens of bone marrow biopsy with markedly heterogeneous distribution of fat tissue, alternating normal or hyperplastic zones (area I) with aplastic ones (area II). The method of study was the stereological technique on plastic-embedded specimen sections.
RESULTS: In the area II, with a fat tissue fraction markedly higher than in area I, both adipocyte number and size were significatively increased. The fat tissue fraction difference (Dif FRGR) between both areas was significatively correlated with the difference of the adipocytes number (Dif Nv) but not of the size (Dif D). However, in multiple regression both Dif Nv and Dif D contributed significatively to Dif FRGR.
CONCLUSIONS: Since the histopathological pattern investigated in this work represents a model caused by intervention of local factors, it can be concluded that these can modify both the size and number of adipocytes.
MATERIAL AND METHODS: The material was made up of 15 specimens of bone marrow biopsy with markedly heterogeneous distribution of fat tissue, alternating normal or hyperplastic zones (area I) with aplastic ones (area II). The method of study was the stereological technique on plastic-embedded specimen sections.
RESULTS: In the area II, with a fat tissue fraction markedly higher than in area I, both adipocyte number and size were significatively increased. The fat tissue fraction difference (Dif FRGR) between both areas was significatively correlated with the difference of the adipocytes number (Dif Nv) but not of the size (Dif D). However, in multiple regression both Dif Nv and Dif D contributed significatively to Dif FRGR.
CONCLUSIONS: Since the histopathological pattern investigated in this work represents a model caused by intervention of local factors, it can be concluded that these can modify both the size and number of adipocytes.