Tributyltin Perturbs Femoral Cortical Architecture and Polar Moment of Inertia in Rat

Overview

Journal BMC Musculoskelet Disord

Publisher Biomed Central

Specialties Orthopedics
Physiology

Date 2021 May 8

PMID 33962613

Citations 1

Authors

Mingjun Li

Dong Cheng

Hui Li

Wenhuan Yao

Dongmei Guo

Shue Wang

Jiliang Si

Affiliations

Soon will be listed here.

Abstract

Background: Tributyltin, a well-known endocrine disruptor, is widely used in agriculture and industry. Previous studies have shown that tributyltin could cause deleterious effects on bone health by impairing the adipo-osteogenic balance in bone marrow.

Methods: To investigate further the effects of tributyltin on bone, weaned male SD rats were treated with tributyltin (0.5, 5 or 50 μg·kg) or corn oil by gavage once every 3 days for 60 days in this study. Then, we analyzed the effects of tributyltin on geometry, the polar moment of inertia, mineral content, relative abundances of mRNA from representative genes related to adipogenesis and osteogenesis, serum calcium ion and inorganic phosphate levels.

Results: Micro-computed tomography analysis revealed that treatment with 50 μg·kg tributyltin caused an obvious decrease in femoral cortical cross sectional area, marrow area, periosteal circumference and derived polar moment of inertia in rats. However, other test results showed that exposure to tributyltin resulted in no significant changes in the expression of genes detected, femoral cancellous architecture, ash content, as well as serum calcium ion and inorganic phosphate levels.

Conclusions: Exposure to a low dose of tributyltin from the prepubertal to adult stage produced adverse effects on skeletal architecture and strength.

Citing Articles

Tributyltin protects against ovariectomy-induced trabecular bone loss in C57BL/6J mice with an attenuated effect in high fat fed mice.

Freid R, Hussein A, Schlezinger J Toxicol Appl Pharmacol. 2021; 431:115736.

PMID: 34619157 PMC: 8545923. DOI: 10.1016/j.taap.2021.115736.

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