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2018 ; 50
(5
): 491-498
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Anti-fibrotic role and mechanism of Periplaneta americana extracts in
CCl4-induced hepatic fibrosis in rats
#MMPMID29538616
Li D
; Li W
; Chen Y
; Liu L
; Ma D
; Wang H
; Zhang L
; Zhao S
; Peng Q
Acta Biochim Biophys Sin (Shanghai)
2018[May]; 50
(5
): 491-498
PMID29538616
show ga
Hepatic fibrosis is resulted from sustained wound-healing responses to various
harmful stimuli, including viral infection, drug toxicity, alcohol, and
autoimmune hepatopathy, and it has recently attracted the attention of an
increasing number of researchers and clinical workers. The aims of this study
were to examine the anti-fibrotic effects of extracts of Periplaneta americana
(EPA) on CCl4-induced hepatic fibrosis in rats, to preliminary determine the
anti-fibrotic efficacy of EPA, and to identify a potential and effective
therapeutic agent to attenuate hepatic fibrosis. In this study, we routinely
detected liver functional indices, such as alanine aminotransferase (ALT),
aspartate transaminase (AST), and albumin (Alb). We also measured hepatic
fibrosis-related serum markers, including hyaluronic acid (HA), laminin (LN),
type III procollagen (PC III), and type IV collagen (IV-C) via radioimmunoassay.
Moreover, we examined histological activity and fibrosis stage via light
microscopy after hematoxylin and eosin and Masson staining. Furthermore, we
detected the expressions of nuclear factor-kappa B (NF-?B), alpha-smooth muscle
actin (?-SMA), transforming growth factor-?1 (TGF-?1), and tissue inhibitor of
metalloprotease-1 (TIMP-1) in rat liver tissues by immunohistochemical staining.
We found that EPA, whose main components are viscous sugar amino acids, can
reduce the levels hepatic fibrosis-related factors, including HA, LN, PC III, and
IV-C, improve liver function, attenuate, or reverse pathological damage
associated with hepatic fibrosis, and thus inhibit the progression of hepatic
fibrosis. The mechanism of EPA action may be related to the inhibition of TGF-?1,
NF-?B, and ?-SMA expressions and the reduction of TIMP-1 levels in the liver to
reduce the accumulation of extracellular matrix (ECM) components, thereby
blocking the relevant signaling pathways and preventing inflammatory responses to
attenuate or reverse hepatic fibrosis. EPA may thus be used as a potentially
effective therapeutic agent for the treatment of hepatic fibrosis.
|Alanine Transaminase/blood
[MESH]
|Animals
[MESH]
|Aspartate Aminotransferases/blood
[MESH]
|Carbon Tetrachloride
[MESH]
|Collagen Type IV/blood
[MESH]
|Hyaluronic Acid/blood
[MESH]
|Liver Cirrhosis/blood/chemically induced/*prevention & control
[MESH]