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It is challenging to predict the 90-day outcomes of patients infected with hepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF) via prevailing predictive models. This study aimed to develop an innovative model to enhance the analytical efficacy of 90-day mortality in HBV-ACLF.In this study, 149 HBV-ACLF patients were evaluated by constructing a death risk prediction nomogram. Bootstrap resampling and an independent validation cohort comprising 31 patients from June 2019 to February 2020 were assessed for model confirmation.The nomogram was constructed by entering and identifying five factors (age, total bilirubin, prothrombin activity (PTA), lymphocyte (L)%, and monocyte (M)%. Healthy refinement was achieved from the nomogram analysis, where the area under the receiver operating characteristic curve was 0.864 for the training cohort and 0.874 was achieved for the validation cohort. There was admirable concordance between the predicted and true results in the equilibrium curve. The decision curve assessment revealed the useful clinical application of the nomogram.We constructed an innovative nomogram and validated it for the prediction of 90-day HBV-ACLF patient outcomes. This model might help develop optimized treatment protocol recommendations for HBV-ACLF patients.

Acute‐on‐chronic liver failure (ACLF) is a life‐threatening syndrome with poor prognosis. Several studies have begun to prove that mitochondria play a crucial role in liver failure. Mitofusin2 (Mfn2) plays a key role in maintaining the integrity of mitochondrial morphology and function. However, the role and underlying mechanisms of Mfn2 on cell autophagy of ACLF remain unclear. Our aim was to explore the effect of Mfn2 on several biological functions involving cell autophagy in ACLF. In this study, we constructed an ACLF animal model and a hepatocyte autophagy model, using adenovirus and lentivirus to deliver Mfn2 to liver cells, in order to assess the effect of Mfn2 on autophagy and apoptosis in ACLF. Furthermore, we explored the biological mechanism of Mfn2‐induced autophagy of ACLF using Western blotting, RT‐PCR and electron microscopy. We found that Mfn2 significantly attenuated ACLF, characterized by ameliorated gross appearance and microscopic histopathology of liver, and reduced serum AST, ALT, and TBIL levels. Mfn2 improved the expressions of LC3‐II, Atg5 and Bcl‐2 and down‐regulated the expression of P62 and Bax in ACLF. Like rapamycin, Mfn2 also significantly inhibited the expressions of p‐PI3K, p‐Akt and p‐mTOR in ACLF. In conclusion, our findings suggest that Mfn2 influences multiple biological functions of ACLF via the PI3K/Akt/mTOR signalling pathway. This study will provide a reliable theoretical basis for the application of Mfn2 as an effective target for ACLF treatment, reversing or delaying the process of ACLF.

Introduction and Objectives Hypoxia-inducible factor-1α is critically involved in the pathogenesis of liver diseases. Its inhibitor genistein attenuated D-galactosamine (D-GalN)-induced liver damage. However, the role of genistein in acute-on-chronic liver failure (ACLF) is unclear. The influence of genistein on reactive oxygen species (ROS) and hepatocyte functions were evaluated in a rat model of ACLF. Material and methods Genistein [20 mg/ (kg. day)]/coenzyme Q10 [10 mg/ (kg. day)]/lipoic acid [20 mg/ (kg. day)] was administered via the intra-gastric route daily for 6 weeks as co-treatment to the rats in the experimental groups. Then, 100 μg/kg LPS combined with 0.5 g/kg D-GalN was injected intraperitoneally to attack the rats. Results Genistein significantly attenuated LPS/D-GalN-induced ACLF, characterized by ameliorated gross appearance and microscopic histopathology of liver, reduced AST level in serum, whereas increased levels of ATP, ADP/O, and respiratory control ratio (RCR) in mitochondria. Genistein suppressed necrosis and ROS production. Conclusion These results suggested that genistein could protect against ACLF through inhibiting cellular ROS production and necrosis, improving RCR, and decreasing permeability transition pores in mitochondrial, which was similar as mitochondrial protective agent coenzyme Q10.

BackgroundHepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF) is a severe condition with high mortality due to lack of efficient therapy. Until now, the use of methylprednisolone (MP) in HBV-ACLF is still controversial. We aimed to evaluate the efficacy and safety of MP in HBV-ACLF.MethodsTotally 171 HBV-ACLF patients from three medical centers were randomly allocated into MP group (83 patients treated with MP intravenously guttae for 7 days plus standard treatment: 1.5 mg/kg/day [day 1–3], 1 mg/kg/day [day 4–5], and 0.5 mg/kg/day [day 6–7]) and control group (88 patients treated with standard treatment). The primary endpoints were 6-month mortality and prognostic factors for 6-month survival. The survival time, cause of death, adverse events, liver function, and HBV DNA replication were analyzed.ResultsThe 6-month mortality was significantly lower in MP group than control group [32.4% vs. 42.5%,P = 0.0037]. MP treatment was an independent prognostic factor for 6-month survival [HR (95% CI) 0.547(0.308–0.973);P = 0.040]. Factors associated with reduced 6-month mortality in MP group included HBV DNA and lymphocyte/monocyte ratio (LMR) (P P > 0.05).ConclusionsMP therapy is an effective and safe clinical strategy in HBV-ACLF, increasing the 6-month survival rate.Clinical trials registered athttp://www.chictr.org.cnas ChiCTR-TRC-13003113 registered on 16 March 2013.

Additional file 1: Fig. S1. The propensity score matching analysis on age and MELD score to assess the baselines. It showed that Methylprednisolone group (83) could all fuzzy matched by control group.

// Ran Xue 1, * , Zhonghui Duan 1, * , Haixia Liu 1 , Li Chen 2 , Hongwei Yu 1 , Meixin Ren 1 , Yueke Zhu 1 , Chenggang Jin 3 , Tao Han 4 , Zhiliang Gao 5 and Qinghua Meng 1 1 Department of Critical Care Medicine of Liver Disease, Beijing You-An Hospital, Capital Medical University, Beijing, China 2 Georgia Prevention Institute, Medical College of Georgia, Augusta University, Augusta, GA, USA 3 The School of Social Development and Public Policy, Beijing Normal University, Beijing, China 4 Department of Hepatology, Tianjin Third Central Hospital of Tianjin Medical University, Tianjin, China 5 Department of Infectious Diseases, The Third Affiliated Hospital, Zhongshan University, Guangzhou, China * These authors have contributed equally to this work Correspondence to: Qinghua Meng, email: meng_qh@126.com Keywords: acute-on-chronic liver failure; hepatitis B; prognostic model Received: October 06, 2017 Accepted: October 27, 2017 Published: November 14, 2017 ABSTRACT Aim: It is challenging to predict the outcome of patients with hepatitis B virus related acute-on-chronic liver failure (HBV-ACLF) through existing prognostic models. Our aim was to establish a novel dynamic model to improve the predictive efficiency of 30-day mortality in HBV-ACLF patients. Methods: 305 patients who were diagnosed as HBV-ACLF (derivation cohort, n=211; validation cohort, n=94) were included in this study. The HBV-ACLF dynamic (HBV-ACLFD) model was constructed based on the daily levels of predictive variables in 7 days after diagnosis combined with baseline risk factors by multivariate logistic regression analysis. The HBV-ACLFD model was compared with the Child-Turcotte-Pugh (CTP) score, end-stage liver disease (MELD) score, and MELD within corporation of serum sodium (MELD-Na) score by the area under the receiver-operating characteristic curves (AUROC). Results: The HBV-ACLFD model demonstrated excellent discrimination with AUROC of 0.848 in the derivation cohort and of 0.813 in the validation cohort (p=0.620). The performance of the HBV-ACLFD model appeared to be superior to MELD score, MELD-Na score and CTP score (P

Aims Glypican-3(GPC3) expression is correlated with poor prognosis and progression in hepatocellular carcinoma (HCC). HCC progression can be associated with the differentiation status of tumor cell before malignant transformation. Our aim was to investigate the dynamic expression of GPC3 during tumor cells differentiation and to explore the role and theoretical significance of GPC3 in malignant essence of HCC. Methods The expressions of tissue GPC3 and alpha-fetoprotein (AFP) were detected by immunohistochemical staining. The tumor size, lymph node involvement, and metastasis were determined by pathological and imaging studies. HepG2 cells were induced to differentiate by all-trans retinoic acid (ATRA). Differentiation was evaluated by cytokeratin 19(CK19), gamma glutamyl transferase(GGT) and AFP through reverse transcription-PCR (RT-PCR) and real-time PCR. GPC3 staining was analyzed through flow cytometry. Results Based on the immunohistochemical staining, the enrolled 316 cases were divided into two sub-types, namely GPC3 + HCC and GPC3 − HCC. Significant differences in morphology, histology variations, AFP expression, TNM staging and overall survival curves were observed between two sub-types. During HCC differentiation induced by ATRA, the mean value of GPC3 expression treated with ATRA was much lower than the ones in placebo. There were significant differences between GPC3 + HCC and GPC3-HCC for cumulative intrahepatic and extrahepatic recurrence in early stage HCC (P = 0.009, P = 0.010). Conclusions GPC3 is correlated with the clinical malignant behavior of HCC. Moreover, GPC3 phenotype changes from positive to negative during tumor cells differentiation. Meanwhile, GPC3 plays a significant role in tumor cellular origin theoretical system, which can better reflect the malignant essence of tumors.

Liver failure with hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome with high mortality. The aim of this study was to decipher clinical and laboratory characteristics of hemophagocytic lymphohistiocytosis after definite diagnosis of liver failure and to provide clues for early diagnosis and treatment of HLH in patients with liver failure. Eleven patients diagnosed with liver failure and HLH were retrospectively investigated in this study. All patients presented with jaundice, persistent high-grade fever, pancytopenia, splenomegaly, evidence of hemophagocytes in the bone marrow and laboratory abnormalities indicating HLH. The average interval from the earliest diagnosis of liver failure to a definitive diagnosis of HLH was 17.27 days. Six (54.55%) patients died during follow-up. For patients with liver failure after admission and subsequently definitively diagnosed with HLH, bilirubin and INR were significantly decreased. HLH is definitely diagnosed at an intermediate or late stage when patients have already suffered from liver failure. The initial dose of glucocorticoid (methylprednisolone) was decreased to 1–1.5 mg/kg/d and gradually reduced thereafter. In conclusion, for patients with liver failure, HLH should be screened as early as possible upon persistent fever, splenomegaly and unexplained pancytopenia. For patients with liver failure and HLH, the dosage of glucocorticoid should be reduced to avoid serious side effects.

Aim: Acute-on-chronic liver failure (ACLF) is closely related to mitochondrial dysfunction. Previous studies showed the vital role of mitofusin2 (Mfn2) in the regulation of mitochondrial function. However, the effect of Mfn2 on ACLF remains unknown. As one of mitochondrial-related pathways, BNIP3-mediated pathway controls the balance between apoptosis and autophagy. However, the relationship between Mfn2 and BNIP3-mediated pathway in ACLF is still obscure. The aim of our study is to clarify the effect of Mfn2 and potential molecular mechanisms in ACLF. Methods: We collected liver tissue from ACLF patients and constructed an ACLF animal model and a hepatocyte autophagy injury model, using adenovirus and lentivirus to deliver Mfn2 and Mfn2-siRNA to liver cells, in order to assess the effect of Mfn2 on autophagy and apoptosis in ACLF. We explored the biological mechanisms of Mfn2-induced autophagy and apoptosis of ACLF through Western blotting, Quantitative Real-Time PCR (RT-PCR), transmission electron microscopy, immunofluorescence, immunohistochemical staining, and hematoxylin–eosin staining. Results: Compared with the normal liver tissue, the expressions of Mfn2, Atg5, Beclin1, and LC3-II/I were significantly decreased and the expression of P62 was much higher in patients with ACLF. Mfn2 significantly attenuated ACLF, characterized via microscopic histopathology and reduced serum AST and ALT levels. Mfn2 promoted the expressions of ATP synthase β, Atg5, Beclin1, LC3-II/I, and Bcl2 and reduced the expressions of P62, Bax, and BNIP3. Conclusions: Mfn2 plays a protective role in the progression of ACLF. BNIP3-mediated signaling pathway is not the only factor associated with Mfn2 controlling the balance of apoptosis and autophagy in ACLF. Mfn2 will provide a promising therapeutic target for patients with ACLF.

It is still unknown that whether sepsis with hepatitis B virus related acute-on-chronic liver failure (HBV-ACLF) fit into the conventional diagnostic criteria of sepsis. Our aim was to investigate the potential clinical parameters for the diagnosis of HBV-ACLF with sepsis. A retrospective study was conducted in 43 patients with HBV-ACLF and sepsis who underwent orthotopic liver transplantation. All patients were divided into three groups according to the pathological results and laboratory test results. Immunohistochemistry (IHC) staining, hematoxylin-eosin (HE) staining and Gordon Sweet’s reticulin staining were performed in this study. Alanine aminotransferase (ALT), aspartale aminotransferase (AST), total bilirubin (TBiL), cholinesterase (CHE), albumin (ALB), prothrombin activity (PTA), blood routine examination were detected. The results being chosen at admission and before transplantation were analyzed. TBiL had a significant increase (563.5 ± 191.8 umol/L vs. 383.9 ± 157.6 umol/L, 438.3 ± 154.7 umol/L, P = 0.031) and ALT significantly decreased (81.6 ± 66.4 U/L, 754.5 ± 1084.7 U/L, 120.6 ± 102.5 U/L, P = 0.005) in sepsis group before liver transplantation. When sepsis appeared in patients with HBV-ACLF, the ratio of PLT to WBC count before liver transplantation was much lower than it at admission (4.6 ± 2.0 vs. 16.1 ± 7.2, P = 0.000). In conclusion, the clinical parameters of sepsis in patients with HBV-ACLF should be reset. The ratio of PLT/WBC and (WBCBLT/WBCAA)/ (PLTBLT/PLTAA) could remind us the occurring of sepsis in patients with HBV-ACLF.

Acute-on-chronic liver failure (ACLF) is a serious life-threatening disease with high prevalence. Liver transplantation is the only efficient clinical treatment for ACLF. Because of the rapid progression and lack of liver donors, it is urgent to find an effective and safe therapeutic approach to ACLF. Recent studies showed that multipotent cell transplantation could improve the patients' liver function and enhance their preoperative condition. Cells such as mesenchymal stem cells, bone marrow mononuclear cells and autologous peripheral blood stem cells, which addressed in this study have all been used in multipotent cell transplantation for liver diseases. However, its clinical efficiency is still debatable. This systematic review and meta-analysis explored the clinical efficiency of multipotent cell transplantation as a therapeutic approach for patients with ACLF. A detailed search of the Cochrane Library, MEDLINE, and Embase databases was conducted from inception to November 2017. The outcome measures were serum albumin, prothrombin time, alanine aminotransferase, total bilirubin, platelets, hemoglobin, white blood cells, and survival time. The quality of evidence was assessed using GRADEpro and Jaded scores. A literature search resulted in 537 citations. Of these, 9 articles met the inclusion criteria. It was found that multipotent cell transplantation was able to alleviate liver damage and improve liver function. Multipotent cell transplantation can also enhance the short-term and medium-term survival rates of ACLF. All 9 research articles included in this analysis reported no statistically significant adverse events, side effects, or complications. In conclusions, this study suggested that multipotent cell transplantation could be recommended as a potential therapeutic supplementary tool in clinical practice. However, clinical trials in large-volume centers still needed.

This study aimed to determine if the immunoscore (IS) staging system would be a potential prognostic factor in hepatitis B virus-related hepatocellular carcinoma (HBV-HCC) in China. IS was performed in a consecutive cohort of HBV-HCC patients (n= 92). CD3+, CD8+, and CD45RO+ T cells were quantified by immunohistochemical analyses. The patients were stratified into 5 IS groups: I0, I1, I2, I3, I4 for every 2 cell phenotypes (IS1 (CD8/CD45RO, IS2 (CD3/CD8), and IS3 (CD3/CD45RO), respectively. ImagePro Plus software was used in the calculation of the paraffin-embedded tumor sections. The staining of CD3+, CD8+, and CD45RO+ cells in the HBV-HCC tissue demonstrated that there were higher density and larger area of lymphocytes in the invasive margins (IM) region than in the center (CT). Univariate analysis showed that preoperative TNM staging (P = .01), serum gamma-glutamyl transpeptidase (GGT) level (P = .03), vascular invasion (P = .00), and density of CD3+T (CT) (P = 0.01) were correlated significantly with disease-free survival (DFS); serum alpha-fetoprotein (AFP) level (P = .02), tumor size (P = .00), serum cholinesterase (CHE) (P = .04), and GGT level (P = .01), density of CD3+T(CT) (P = .00), CD8+T(CT)(P = .00), CD45RO+T(CT) (P = .00), and CD45RO+T (IM) (P = .02) were correlated with overall survival (OS). Multivariate analysis showed that TNM staging was not an independent prognostic factor of DFS and OS. Our results showed ISs did not have a significantly correlation with DFS (P = .35, .19, and .07, respectively), but it was correlated significantly with OS (P = .00, .00, and .00, respectively). There were statistical differences among the OS of every ISs subgroup except I0 and I1 by the Cox regressions analysis. The IS staging was closely related to the outcome of patients. It can compensate the TNM tumor classification system in predicting the prognosis of HBV-HCC patients.

Introduction: Mumps is a common infectious disease. Epidemics of mumps are reported globally every year and represent a threat to public health, especially in China and other developing countries. Methodology: Clinical and laboratory findings of 960 mumps patients admitted to Beijing You’an Hospital, China, between January 2010 and December 2012 were collected and analyzed. Patients with isolated complication were selected and grouped as aseptic meningitis/encephalitis (AME) patients (n = 156) and Orchitis patients (n = 72). One hundred and fifty patients without complication were grouped as control. Levels of T cell subtypes and 8 serum cytokines were also tested. Results: Majority of mumps patients were male (76.3%) and younger than 17 years old (76.2%). AME was complicated in 41.6% of mumps cases, and orchitis was in 21.3% (64.7% were left-sided). Unvacinated patients had more chance to have AME or orchitis (p = 0.034 and 0.027). The rates of AME and orchitis in mumps patients rapidly increased during the last three years. No laboratory findings were associated with AME or orchitis (all p > 0.05). Serum IL-10 level was elevated in almost all patients. IL-6 and IFNγ levels were correlated with AME (p = 0.025 and p = 0.018). Their levels peaked at day one after admission, and started to decline thereafter. Conclusions: This study suggests that the incidence of serious complications has become more common in recent years, moreover IL-6 and IFNγ may possibly be used as early serum markers for identifying patients with risk of developing complications in mumps.

Glypican-3 (GPC3) expression is correlated with poor prognosis and progression in hepatocellular carcinoma (HCC). HCC progression can be associated with the differentiation status of tumor cell before malignant transformation. Our aim was to investigate the dynamic expression of GPC3 during tumor cells differentiation and to explore the role and theoretical significance of GPC3 in malignant essence of HCC.The expressions of tissue GPC3 and alpha fetoprotein (AFP) were detected by immunohistochemical staining. The tumor size, lymph node involvement, and metastasis were determined by pathological and imaging studies. HepG2 cells were induced to differentiate by all-trans retinoic acid (ATRA). Differentiation was evaluated by cytokeratin 19, gamma glutamyl transferase, and AFP through reverse transcription-polymerase chain reaction and real-time polymerase chain reaction. GPC3 staining was analyzed through flow cytometry.Based on the immunohistochemical staining, the enrolled 316 cases were divided into two subtypes, namely, GPC3+ HCC and GPC3- HCC. Significant differences in morphology, histology variations, AFP expression, TNM staging, and overall survival curves were observed between two subtypes. During HCC differentiation induced by ATRA, the mean value of GPC3 expression treated with ATRA was much lower than the ones in placebo. There were significant differences between GPC3+ HCC and GPC3- HCC for cumulative intrahepatic and extrahepatic recurrence in early stage HCC (P = 0.009, P = 0.010).Glypican-3 is correlated with the clinical malignant behavior of HCC. Moreover, GPC3 phenotype changes from positive to negative during tumor cells differentiation. Meanwhile, GPC3 plays a significant role in tumor cellular origin theoretical system, which can better reflect the malignant essence of tumors.

Background & Aims The important pathophysiological role of immune dysfunction, especially innate immune dysfunction in patients with acute-on-chronic liver failure (ACLF), has been investigated in recent years, but dysregulation of adaptive immunity remains poorly elucidated. The aim of this study was to (i) determine the CD3+ T-lymphocyte count and the balance between CD4+ regulatory T (Tregs) and conventional T cells (Tconv) in hepatitis B virus (HBV)-related ACLF patients; (ii) analyse the frequencies of Tregs subpopulations; and (iii) assess the suppressive potency of CD4+ Tregs and each fraction. Methods We enrolled 20 HBV-ACLF patients, 10 septic shock subjects, 20 chronic hepatitis B (CHB) patients and 20 healthy volunteers (HC). Based on flow cytometry, we performed the absolute counting of circulating T lymphocytes and phenotyping of CD4+ Tregs and quantified the effects of Tregs and each subpopulation on Tconv proliferation by CFSE staining. Results Compared with CHB patients and HC, we observed an equal reduction in peripheral T subsets in HBV-ACLF and septic shock subjects; the number of CD4+ Tregs remained unchanged and the Tconv count declined, promoting elevation of the Treg-to-Tconv ratio. The frequencies of Treg-II and -III were elevated in HBV-ACLF. Functional studies showed that the suppressive capacity of Tregs was preserved in the HBV-ACLF group and Treg-II came first. Conclusions Similar to septic shock subjects, in HBV-ACLF patients there exists a reduction in CD4+ T lymphocytes, predominantly CD4+ Tconv, and the development of suppressive CD4+ Tregs greatly prevails over Tconv, constituting important characteristics of adaptive immune dysfunction of HBV-ACLF.

Promoter methylation of glutathione-S-transferase P1 (GSTP1) may be involved in liver damage caused by oxidative stress in acute-on-chronic hepatitis B-induced liver failure (ACHBLF). This study aimed to explore GSTP1 promoter methylation status and oxidative stress in such patients. DNA was extracted from peripheral blood mononuclear cells (PBMCs) of patients with acute-on-chronic liver hepatitis B-induced liver failure, chronic hepatitis B (CHB) and normal controls, followed by sodium-bisulfite treatment and methylation-specific PCR (MSP) analysis. Plasma malondialdehyde (MDA) adducts levels were detected by enzyme-linked immunosorbent assay as oxidative stress marker. Model for end-stage liver disease (MELD) score was employed to estimate the severity of the liver failure. Eleven of 35 patients with acute-on-chronic liver failure and 3 of 35 patients with stab le hepatitis B displayed GSTP1 promoter methylation, and the difference was significant (χ2) = 5.71, P = 0.02). No differences in standard liver function tests were found in patients with acute-on-chronic liver failure with and without GSTP1 promoter methylation although the levels of total bilirubin were greater in those with methylation. The levels of MDA adducts were significantly higher in patients with liver failure when compared to those with CHB (12.44 ± 5.38 pmol/mg vs 8.42 ± 5.49 pmol/mg, P 0.01), and in the patients with liver failure who had promoter methylation the levels were higher than in those who did not (15.2 ± 4.68 pmol/mg vs 11.17 ± 5.29 pmol/mg, P 0.01). The MELD score was not significantly different between methylated and unmethylated patients with liver failure (P 0.05), although MDA adducts were correlated with MELD scores in patients with acute-on-chronic liver failure (r = 0.579, P 0.01). GSTP1 promoter methylation may facilitate oxidative stress-associated liver damage in ACHBLF, and oxidative stress is correlated with ACHBLF severity.

To explore the effect of herbal compound 861 (Cpd 861) on MMP-2 expression and its enzymatic activities, and the antifibrotic mechanism of this herbal compound.Forty five female rats were randomly divided into normal control (sham operation) group, common bile duct ligation (BDL) group and Cpd 861 therapeutic group. In the last group, daily gastric feeding of Cpd 861 (9 g/kg.bw) started on day 7 after BDL operation. At 49 days, all animals were sacrificed and mRNA expression of MMP-2 in liver tissue was evaluated by semi-quantitive RT-PCR. In addition, enzymatic activities of MMP-2 were analyzed by zymography.In comparison with model group, MMP-2 mRNA levels in Cpd 861 therapeutic group were significantly decreased. MMP-2 enzymatic activities were not detectable in normal group, slightly elevated in model group, higher in Cpd 861 therapeutic group.Cpd 861 decreases the mRNA level of MMP-2, but transiently increases the enzymatic activities of MMP-2. The latter effect of Cpd 861 may be mediated by decreasing TIMPs, the inhibitors of MMPs, during resolution stage of fibrosis. This is probably one of the mechanisms whereby herbal Cpd 861 exerted its antifibrotic action in this kind of experimental liver fibrosis.