Characterization of sediment toxicity in Shanghai Harbor using toxicity tests and digital gene expression analysis based on clams Ruditapes phillipinarum

Liu, Liru; Miao, Jingjing; Pan, Luqing; Li, Zhen; Sun, Yawei

doi:10.1016/j.ecoenv.2020.111065

Cited by 3 publications

(2 citation statements)

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“…This river not only serves as a significant geographical feature but it also plays a pivotal role in facilitating various economic activities, such as extensive trade, bustling industries, and thriving harbors along its course. The kinds, amounts, and pollution assessments of the heavy metals along the Huangpu River, however, have become the subject of several studies 9,10 . Shanghai and the upstream regions' contaminated discharge is now being transported to the sea via the Huangpu River, raising concerns about the bioaccumulation of heavy metal contaminants, and their potential impact on public health 11 …”

Section: Introductionmentioning

confidence: 99%

“…The kinds, amounts, and pollution assessments of the heavy metals along the Huangpu River, however, have become the subject of several studies. 9,10 Shanghai and the upstream regions' contaminated discharge is now being transported to the sea via the Huangpu River, raising concerns about the bioaccumulation of heavy metal contaminants, and their potential impact on public health. 11 Recent research has primarily focused on the accumulation of heavy metals in soil and its impact on agricultural production and animal husbandry.…”

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Neurological risks arising from the bioaccumulation of heavy metal contaminants: A focus on mercury

Dong,

2024

Environmental Toxicology

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This study investigated the concentrations of heavy metals in the water sources of the upstream region of the Huangpu River, the Yangtze River Estuary, and various areas in Shanghai, as well as the heavy metal concentrations in the blood of Shanghai residents. It aimed to analyze the heavy metal elements absorbed by the human body and the resulting pathological effects. The results revealed that surface water primarily contains five heavy metals: copper (Cu), lead (Pb), zinc (Zn), arsenic (As), and mercury (Hg), while water sediments primarily contain seven heavy metals: Cu, cadmium (Cd), Pb, chromium (Cr), Zn, As, and Hg. The main heavy metals present in the human body are Pb, Hg, As, and Cd. By reviewing previous articles, it was found that heavy metal concentrations in human blood are higher than those in surface water, suggesting uncertainties in the heavy metal content of surface water and its tendency to settle at the bottom. Furthermore, a comparison of heavy metal content in sediments revealed that Hg is the most readily absorbed heavy metal by the human body and is also a toxic environmental pollutant. Within the cell, Hg is highly toxic to mitochondria and may cause oxidative stress and neurodegenerative disease. This study concludes that water sediments serve as the major source of pollution in the human body and pose significant health risks, thereby necessitating the implementation of effective preventive measures.

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confidence: 99%

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confidence: 99%