Abstract:
OBJECTIVE:In this work we studied the correlation between platelet count, platelet activation, and systemic inflammation in overweight, obese, and morbidly obese individuals. METHODS AND SUBJECTS:A total of 6319 individuals participated in the study. Complete blood counts, high sensitivity C-reactive protein (hs-CRP) serum levels, and body mass index (BMI) were measured during routine checkups. Platelet activation markers were studied among 30 obese (BMI = 41 +/- 8 kg/m(2)) and 35 nonobese (BMI = 24 +/- 3 kg/m(2)) individuals. Platelet activation status was evaluated by flow cytometry using specific antibodies against the activated platelet membrane glycoprotein IIb/IIIa, p-selectin (CD-62 p), and binding of Annexin-V to platelet anionic phospholipids. RESULTS:Overweight, obese, and morbidly obese females had significantly elevated platelet counts ( P < .0001) compared with normal-weight females. No significant elevation of platelet counts was observed in the male subgroups. A significant age adjusted correlation between BMI and platelet counts ( P < .0001) was found among females. This correlation was attenuated (P = .001) after adjustment for hs-CRP concentrations. The flow cytometry analysis of platelets showed no significant differences in activation marker expression between nonobese and obese individuals. DISCUSSION:Obesity may be associated with elevated platelet counts in females with chronic inflammation. Obesity is not associated with increased platelet activation.
journal_name
Mediators Inflammjournal_title
Mediators of inflammationauthors
Samocha-Bonet D,Justo D,Rogowski O,Saar N,Abu-Abeid S,Shenkerman G,Shapira I,Berliner S,Tomer Adoi
10.1155/2008/834153subject
Has Abstractpub_date
2008-01-01 00:00:00pages
834153eissn
0962-9351issn
1466-1861journal_volume
2008pub_type
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