Red and White Blood Cell Counts Are Associated With Bone Marrow Adipose Tissue, Bone Mineral Density, and Bone Microarchitecture in Premenopausal Women
| العنوان: | Red and White Blood Cell Counts Are Associated With Bone Marrow Adipose Tissue, Bone Mineral Density, and Bone Microarchitecture in Premenopausal Women |
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| المؤلفون: | Erinne Meenaghan, Hang Lee, Mary L. Bouxsein, Alexander T. Faje, Miriam A. Bredella, Ormond A. MacDougald, Sai P. Polineni, Anne Klibanski, Pouneh K. Fazeli, Megi Resulaj |
| المصدر: | J Bone Miner Res |
| بيانات النشر: | Wiley, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Adult, 0301 basic medicine, medicine.medical_specialty, Endocrinology, Diabetes and Metabolism, Adipose tissue, 030209 endocrinology & metabolism, Hematocrit, Article, Blood cell, Leukocyte Count, 03 medical and health sciences, 0302 clinical medicine, Transdermal estrogen, Bone Density, Bone Marrow, Internal medicine, White blood cell, medicine, Humans, Orthopedics and Sports Medicine, Longitudinal Studies, Bone mineral, medicine.diagnostic_test, business.industry, Osteoblast, Cross-Sectional Studies, 030104 developmental biology, medicine.anatomical_structure, Endocrinology, Adipose Tissue, Female, Bone marrow, business |
| الوصف: | Bone marrow adipose tissue (BMAT) resides within the bone marrow microenvironment where its function remains poorly understood. BMAT is elevated in anorexia nervosa, a disease model of chronic starvation, despite depletion of other fat depots. In addition to BMAT, the marrow microenvironment also consists of osteoblast and hematopoietic progenitors. BMAT is inversely associated with bone mineral density (BMD) in multiple populations including women with anorexia nervosa, and regulates hematopoiesis in animal models. We hypothesized that BMAT would be associated with circulating populations of hematopoietic cells (red and white blood cells) in humans and performed a post hoc analysis of two studies-a cross-sectional study and a longitudinal study-to investigate this hypothesis. We studied 89 premenopausal women cross-sectionally (median age [interquartile range], 27 [24.5, 31.7] years), including 35 with anorexia nervosa. We investigated associations between red blood cell (RBC) and white blood cell (WBC) counts and BMAT assessed by 1 H-magnetic resonance spectroscopy, BMD assessed by DXA, and bone microarchitecture assessed by HR-pQCT. In addition, we analyzed longitudinal data in six premenopausal women with anorexia nervosa treated with transdermal estrogen for 6 months and measured changes in BMAT and blood cell counts during treatment. Cross-sectionally, BMAT was inversely associated with WBC and RBC counts. In contrast, BMD and parameters of bone microarchitecture were positively associated with WBC and RBC. In women with anorexia nervosa treated with transdermal estrogen for 6 months, decreases in BMAT were significantly associated with increases in both RBC and hematocrit (rho = -0.83, p = 0.04 for both). In conclusion, we show that BMAT is inversely associated with WBC and RBC in premenopausal women, and there is a potential association between longitudinal changes in BMAT and changes in RBC. These associations warrant further study and may provide further insight into the role and function of this understudied adipose depot. © 2020 American Society for Bone and Mineral Research. |
| تدمد: | 1523-4681 0884-0431 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbade2cd526d6f7be5af623bf4abcd63 https://doi.org/10.1002/jbmr.3986 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....dbade2cd526d6f7be5af623bf4abcd63 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15234681 08840431 |
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