Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review

Hexabromocyclododecane (HBCD) is a non-aromatic compound belonging to the bromine flame retardant family and is a known persistent organic pollutant (POP). This compound accumulates easily in the environment and has a high half-life in water. With a variety of uses, the HBCD is found in house dust,...

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Main Authors: Maria Lopes Marques, Elisa Cairrao
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Toxics
Subjects:
Online Access:https://www.mdpi.com/2305-6304/11/5/409
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author Maria Lopes Marques
Elisa Cairrao
author_facet Maria Lopes Marques
Elisa Cairrao
author_sort Maria Lopes Marques
collection DOAJ
description Hexabromocyclododecane (HBCD) is a non-aromatic compound belonging to the bromine flame retardant family and is a known persistent organic pollutant (POP). This compound accumulates easily in the environment and has a high half-life in water. With a variety of uses, the HBCD is found in house dust, electronics, insulation, and construction. There are several isomers and the most studied are α-, β-, and γ-HBCD. Initially used as a substitute for other flame retardants, the polybrominated diphenyl ethers (PBDEs), the discovery of its role as a POP made HBCD use and manufacturing restricted in Europe and other countries. The adverse effects on the environment and human health have been piling, either as a result from its accumulation or considering its power as an endocrine disruptor (ED). Furthermore, it has also been proven that it has detrimental effects on the neuronal system, endocrine system, cardiovascular system, liver, and the reproductive system. HBCD has also been linked to cytokine production, DNA damage, increased cell apoptosis, increased oxidative stress, and reactive oxygen species (ROS) production. Therefore, this review aims to compile the most recent studies regarding the negative effects of this compound on the environment and human health, describing the possible mechanisms by which this compound acts and its possible toxic effects.
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spelling doaj.art-c07424f4ccde406eba04a4e89ae743c12023-11-18T03:32:15ZengMDPI AGToxics2305-63042023-04-0111540910.3390/toxics11050409Occurrence and Health Effects of Hexabromocyclododecane: An Updated ReviewMaria Lopes Marques0Elisa Cairrao1CICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, PortugalCICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, PortugalHexabromocyclododecane (HBCD) is a non-aromatic compound belonging to the bromine flame retardant family and is a known persistent organic pollutant (POP). This compound accumulates easily in the environment and has a high half-life in water. With a variety of uses, the HBCD is found in house dust, electronics, insulation, and construction. There are several isomers and the most studied are α-, β-, and γ-HBCD. Initially used as a substitute for other flame retardants, the polybrominated diphenyl ethers (PBDEs), the discovery of its role as a POP made HBCD use and manufacturing restricted in Europe and other countries. The adverse effects on the environment and human health have been piling, either as a result from its accumulation or considering its power as an endocrine disruptor (ED). Furthermore, it has also been proven that it has detrimental effects on the neuronal system, endocrine system, cardiovascular system, liver, and the reproductive system. HBCD has also been linked to cytokine production, DNA damage, increased cell apoptosis, increased oxidative stress, and reactive oxygen species (ROS) production. Therefore, this review aims to compile the most recent studies regarding the negative effects of this compound on the environment and human health, describing the possible mechanisms by which this compound acts and its possible toxic effects.https://www.mdpi.com/2305-6304/11/5/409persistent organic pollutantbromine flame retardantHBCDendocrine disrupting chemicals (EDC)environmental toxicityhuman toxicity
spellingShingle Maria Lopes Marques
Elisa Cairrao
Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
Toxics
persistent organic pollutant
bromine flame retardant
HBCD
endocrine disrupting chemicals (EDC)
environmental toxicity
human toxicity
title Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
title_full Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
title_fullStr Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
title_full_unstemmed Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
title_short Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review
title_sort occurrence and health effects of hexabromocyclododecane an updated review
topic persistent organic pollutant
bromine flame retardant
HBCD
endocrine disrupting chemicals (EDC)
environmental toxicity
human toxicity
url https://www.mdpi.com/2305-6304/11/5/409
work_keys_str_mv AT marialopesmarques occurrenceandhealtheffectsofhexabromocyclododecaneanupdatedreview
AT elisacairrao occurrenceandhealtheffectsofhexabromocyclododecaneanupdatedreview