Skip to main content

ORIGINAL RESEARCH article

Front. Microbiol. , 25 February 2025

Sec. Virology

Volume 16 - 2025 | https://doi.org/10.3389/fmicb.2025.1531373

Effects and potential pathways of goose astrovirus infection on gosling hepatic lipid metabolism

  • 1Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
  • 2Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi, China

Introduction: The adverse effects of goose astrovirus (GoAstV) on avian growth and health have been widely reported previously, while the stress reactions and corresponding mechanism of gosling liver responding to GoAstV infection remain not entirely clear.

Methods: One-day-old goslings inoculated subcutaneously with 2 × 10−6 TCID50 of GoAstV were employed as an experimental model, and the potential effects and pathways of GoAstV infection on gosling liver functions were investigated by combining the morphological, biochemical and RNA sequencing (RNA-seq) techniques.

Results: Structural and functional impairments were found in gosling livers post the virus infection, as characterized by the histological alterations in liver index and morphology of hepatic cord and sinuses, as well as the abnormal expression patterns of the cellular antioxidant, inflammation and apoptosis-related genes. RNA sequencing analysis were performed to investigate the underlying mechanism. Results showed that the analysis of screened 1949 differentially expressed genes (DEGs) were mainly enriched in GO terms related to organic immune defense and substance metabolism, and their corresponding KEGG pathways represented by PPAR signaling pathway, intestinal immune network for IgA production, and fatty acid metabolism and degradation, suggesting that the functions of avian immunity and lipid metabolism were greatly changed after the GoAstV infection. Finally, the lipid deposition in gosling hepatocytes were further demonstrated by the subsequent Oil red O staining, biochemical detection of serum TG and HDL-C, and the gene expression analysis including PPARα, PPARγ, ACSBG2, ACSL5, CPT1A and PCK1.

Discussion: Though limitations exist, the findings of this study are helpful to expand our understanding about the negative effects of GoAstV on goslings, and provide us with new clues for the salvaging of GoAstV-induced liver dysfunctions in poultry industry.

1 Introduction

Goose astrovirus (GoAstV) is a single-stranded RNA virus that mainly causes inflammation and gout in the viscera and joints of goslings up to 3 weeks of age (An et al., 2020; Cortez et al., 2017). Since its first discovery in China in 2016, the virus has spread rapidly to major goose-producing provinces throughout the country, causing a pathogenic rate as high as 80% and a fatality rate of 50% in goslings (Zhu et al., 2022). Furthermore, like most RNA viruses, GoAstV lacks the proofreading capability during its nucleic acid replication process, leading to high genetic diversity and recombination potential (Holland et al., 1982). As a result, GoAstV not only spreads among goose populations (Wei et al., 2020a) but also infects different species, including chickens and ducks (Li et al., 2021; Wei et al., 2020b). This widespread transmission has led to substantial losses in the poultry-breeding industry in China (Liu et al., 2022). However, compared to previous studies on genetic variation and pathogenicity, less attention has been given to the pathogenesis and therapeutic analysis of GoAstV until now.

Excessive production and excretion obstruction of uric acid (UA), as well as functional damage to visceral organs, have been reported to be two crucial factors in diseases induced by GoAstV in poultry (Wu et al., 2020; Yin et al., 2021). Among these, the liver not only serves as a vital organ for energy and material metabolism (Laliotis et al., 2010) but also is the primary site of UA production in poultry (Dalbeth et al., 2016; Maiuolo et al., 2016). For example, when goslings are infected with viruses such as GoAstV, UA production in their livers increases dramatically, leading to urate deposition in the blood, internal organs, and joint cavities, which subsequently causes hyperuricemia and gout (Xu et al., 2023; Yin et al., 2021). At the same time, the occurrence of cell apoptosis, oxidative stress, inflammation, and growth restriction in animals is also induced, as indicated by abnormal changes in body weight and the expression of cytokines such as caspase-3, superoxide dismutase (SOD), and nuclear factor kappa B (NF-κB) (Hou et al., 2024; Li Y et al., 2024). However, to date, the reactions and corresponding regulatory mechanisms of gosling livers in response to GoAstV infection are still not fully understood. Therefore, by combining morphological, biochemical, and RNA sequencing (RNA-seq) techniques, the present study aimed to investigate the effects of GoAstV infection on gosling liver function and uncover the potential regulatory pathways involved, synchronously. The results of this study enhance our understanding of the negative effects of GoAstV on goslings and provide new insights for addressing GoAstV-induced liver dysfunction in the poultry industry.

2 Materials and methods

2.1 Animals and experimental design

A total of 200 unvaccinated, GoAstV-negative Xingguo Gray geese were purchased from a commercial hatchery (Guohua Co. Ltd., Nanchang, China) at 1 day of age and raised in shielded cages with positively filtered air throughout the entire experimental process. Upon arrival, all goslings were randomly assigned to two treatment groups, with 100 birds in each group. As previously reported (Li H et al., 2024), the goslings in the experimental group were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain (GoAstV group), while those in the control group were injected with an equal volume of a saline solution (Control group). All goslings were monitored daily for the occurrence of clinical signs, growth, and mortality.

At 6 days post-inoculation (dpi), six goslings (n = 6) were randomly selected from each treatment group. Blood was collected from the wing vein, and the goslings were then slaughtered, weighed, and their liver tissues were collected. The blood samples were immediately transferred to 2 mL Eppendorf tubes and then centrifuged at 2,500 rpm at 4°C for 15 min to separate the serum. The liver tissues were obtained from the same region of each bird. A small square of the liver tissue was fixed in 4% paraformaldehyde for histopathological analysis, while another cube was collected and immediately snap-frozen in liquid nitrogen. All frozen serum and tissue samples were stored at −80°C until further analysis.

2.2 Viral loads detection

To detect the copy number of GoAstV, viral RNA (n = 6) was extracted from the liver tissues using the TRIzol reagent (Life Technologies, USA) and normalized to 1 μg of total RNA per sample. Real-time fluorescence quantitative PCR (qRT-PCR) was performed using AceQ qPCR Probe Master Mix (Q112-02, Nanjing, China) and the TaqMan one-step RT-PCR method established in our laboratory (Li et al., 2023), based on the Roche LightCycler 96 real-time PCR system (Roche Diagnostics, Shanghai, China).

2.3 Morphological analysis

2.3.1 Hematoxylin–eosin (HE) staining

The histopathological changes in the gosling livers (n = 6) were examined using the classical HE staining method. Briefly, the liver tissues fixed in 4% paraformaldehyde were embedded in paraffin blocks and cut into 7–8 μm slices. Afterward, these slices were dewaxed and stained with hematoxylin and eosin at Pinuofei Biological Technology Co., Ltd. (Wuhan, China). Finally, the sections were examined and scanned under a light microscope (Pannoramic MIDI, Hungary) and analyzed using the CaseViewer image viewing software (version 2.5.0).

2.3.2 Oil red O staining

Oil Red O staining was conducted to evaluate lipid deposition in the gosling hepatocytes. In brief, the frozen liver blocks (n = 6) were embedded in optimal cutting temperature (OCT) compound and sectioned into 7–8 μm slices. Then, the slices were washed with 1 × PBS and stained with an Oil Red O working solution at Pinuofei Biological Technology Co., Ltd. (Wuhan, China). The stained liver slices were examined and scanned under a light microscope (Pannoramic MIDI, Hungary), and the intracellular lipid content of the gosling livers was further analyzed using Image J (version 1.8.0).

2.4 Hepatic and serum parameters measurement

The liver weight was obtained immediately after the goslings were slaughtered, and the liver index was calculated using the following formula: Liver index = [Liver weight (g)/Body weight (g)] × 100. The biochemical parameters, including hepatic alanine transaminase (ALT) and aspartate transaminase (AST), as well as serum superoxide dismutase (SOD), triglycerides (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C), were evaluated (n = 6) using an automatic analyzer (Hitachi7060, Hitachi, Tokyo, Japan) according to the manufacturer’s protocols.

2.5 RNA sequencing analysis and signal pathway validation

RNA sequencing (RNA-seq) and bioinformatics analysis were performed by Gene Denovo Biotechnology Co., Ltd. (Guangzhou, China). Briefly, total RNA was extracted from the liver tissues (n = 4) using the TRIzol reagent (Life Technologies, USA). Agarose gel electrophoresis and a NanoDrop microspectrophotometer (Thermo Fisher, Germany) were used to assess the integrity and purity of the total RNA. Subsequently, mRNAs were separated from the total RNA, fragmented, and reverse-transcribed into cDNA. After PCR library enrichment, the sequencing was performed using the Illumina sequencing platform. Quality control and screening of raw data were performed using fastp (version 0.18.0), and data comparison was performed with Bowtie2 (version 2.2.8). Then, the sequences were aligned to the Anser cygnoides reference genome (NCBI_GCF_000971095.1) using HISAT (version 2.2.4). Principal component analysis (PCA) analysis, differentially expressed genes (DEGs) screening, Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment were carried out using StringTie (version 1.3.1), RSEM (version 1.3.3), DESeq2 (version 1.20.0), and R project packages, respectively.

Peroxisome proliferator-activated receptor α/γ (PPARα/γ) and six DEGs from the lipid metabolism-related pathways were selected to validate the accuracy of the RNA-seq data through qRT-PCR. Briefly, total RNA was extracted from the frozen gosling liver tissues (n = 6) using the TRIzol reagent (15,596,026, Invitrogen, CA, USA) and reverse-transcribed into cDNA on an A200 Gradient Thermal Cycler (LongGene, Hangzhou, China) using the PrimeScript® 1st Strand cDNA Synthesis Kit (D6110A, Takara, Dalian, China). Then, the diluted cDNA was used as a template to perform qRT-PCR on the Mx3000P system (Mx3000P, Stratagene, USA) using the TB Green® Premix Ex Taq™ II (TaKaRa, Dalian, China) reaction system, according to the manufacturer’s instructions. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was chosen as the internal control, and all the primer sequences are shown in Supplementary Table S1.

2.6 Statistical analysis

Statistical comparisons among the groups were performed using the independent samples t-test and one-way ANOVA with SPSS 25.0 for Windows. The 2−ΔΔCt method was used to analyze the real-time PCR data. All data were presented in the format of mean ± SEM. Differences with a p-value of <0.05 were considered statistically significant.

3 Results

3.1 Phenotypic changes in the gosling liver after the GoAstV infection

As shown in Figure 1, the GoAstV infection significantly impaired the liver function in the goslings. At the organ level, the viral copies, liver volume, liver weight, and liver index were significantly (p < 0.01) increased in the GoAstV group at 6 dpi compared to the Control group (Figures 1A,D,E). At the cellular and molecular levels, swelling degeneration and inflammatory cell infiltration were widely observed in the liver tissues. The arrangement of the hepatic cords was disordered, and the hepatic sinuses were narrowed or completely disappeared following the virus exposure (Figure 1F). At the same time, ALT and AST, two key indicators of liver function impairment, were both significantly (p < 0.001) increased in the gosling livers after the GoAstV infection (Figures 1B,C).

Figure 1
www.frontiersin.org

Figure 1. Phenotypic changes in the gosling livers after the GoAstV infection. (A) The copy number of GoAstV in the gosling livers. The birds were randomly assigned to two experimental groups, and samples were collected at 6 days post-infection (6 dpi); (B,C) The AST and ALT concentrations in the gosling livers; (D,E) The alterations in the liver weight and liver index of the gosling livers, along with the representative image (400×); (F) Hematoxylin–eosin (H&E) staining of the liver tissues from both experimental groups. The data were expressed as mean ± SEM (n = 6). Control group: The birds were subcutaneously injected with 0.2 mL of a saline solution. GoAstV group: The goslings were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain. **p < 0.01 and *** p < 0.001, compared to the Control group.

3.2 Hepatic inflammatory, oxidative, and apoptotic reactions after the GoAstV infection

In addition to the histological changes mentioned above, inflammatory, oxidative, and apoptotic responses were also observed in the hepatocytes after the GoAstV infection. As shown in Figure 2, despite a significant (p < 0.05) elevation in Nrf2 (Figure 2A), the expression levels of the antioxidant genes GPX and SOD, as well as the enzymatic activity of the serum SOD (p < 0.05), were significantly decreased (p < 0.05) after the GoAstV injection (Figures 2BD). On the contrary, the inflammation-related genes, including TLR7, NF-κB, and INFα, as well as the key regulatory gene Caspase 3 involved in cell apoptosis, were markedly (p < 0.05) up-regulated following the GoAstV infection (Figures 2EH).

Figure 2
www.frontiersin.org

Figure 2. Hepatic inflammatory, oxidative, and apoptotic responses after GoAstV infection. (A–D) The expression levels of the cellular oxidation-related genes (A–C) and the enzymatic activity of the serum SOD in the goslings (D); (E–H) The expression levels of the inflammation- (E–G) and cell apoptosis (H)-related genes in the gosling livers. The data were expressed as mean ± SEM (n = 6). Control: The birds were subcutaneously injected with 0.2 mL of a saline solution. GoAstV: The goslings were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain. *p < 0.05 and *** p < 0.001, compared to the Control group.

3.3 Transcription profile and differentially expressed genes annotation

Hepatic transcriptome analysis was performed to further explore the potential pathways and target the genes involved in the GoAstV-induced dysfunction of the gosling livers. Using the Illumina HiSeq 6,000 platform, an average of 49,578,084 and 51,148,508 qualified clean reads were obtained in the Control and GoAstV groups, respectively, with an average mapping rate of approximately 83.7% and Q30 ≥ 92.7%, as shown in detail in Supplementary Table S2. The principal component analysis (PCA) plot revealed that although variations existed in the GoAstV group, a clear separation of the samples was found between the two experimental groups, indicating dramatic changes in the gene expression caused by the virus infection (Figures 3A,C). In addition, using DESeq2 (v1.34.0) analysis, a total of 1,949 differentially expressed genes (DEGs) were identified, of which 1,359 DEGs were up-regulated and 590 DEGs were down-regulated compared to the Control group (Figures 3B,C).

Figure 3
www.frontiersin.org

Figure 3. Transcription profile and annotation of the differentially expressed genes in the gosling livers post-GoAstV infection. (A) The PCA score plots showing the variance in the genes between the Control and GoAstV groups (n = 4); (B,C) Representative images of the volcano plot (B) and heatmap (C) of the DEGs identified from the two experimental groups (n = 4). Control group: The birds were subcutaneously injected with 0.2 mL of a saline solution. GoAstV group: The goslings were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain.

3.4 GO and KEGG enrichment analysis of the DEGs

The DEGs were subsequently classified through GO and KEGG pathway enrichment analyses. The results showed that, in the top 20 GO terms, the DEGs were mainly concentrated in organic immune defense functions, such as the immune system process, immune effector process, response to a biotic stimulus, regulation of the immune system process, and material metabolic processes, such as the monocarboxylic acid metabolic process, carboxylic acid metabolic process, and organic acid metabolic process (Figure 4A).

Figure 4
www.frontiersin.org

Figure 4. Representative graphs of the GO and KEGG enrichment analyses of the DEGs. Differential metabolites and their set enrichment analysis. (A) The top 20 GO terms identified by the GO analysis. The numbers behind each rectangle indicate the count and significance level of the genes involved in these GO terms; (B) The top 20 pathways identified by the KEGG enrichment analysis. The abscissa and the size of the bubbles represent the importance and gene number of the pathways in the topology analysis, respectively, and the ordinate and bubble color (from red to blue) denote the significance level of each pathway in the enrichment analysis.

Similar outcomes were found in the KEGG enrichment analysis. As shown in Figure 4B, in the top 20 pathways, the majority of the DEGs were enriched in pathways closely associated with organic immune and metabolic regulation, such as the intestinal immune network for IgA production, autoimmune thyroid disease, primary immunodeficiency, PPAR signaling pathway, metabolic pathway, fatty acid metabolism and degradation, and ascorbate and aldarate metabolism (Figure 4B). The detailed information of the genes involved in each KEGG pathway is listed in Supplementary Table S3.

3.5 Alterations in the lipid metabolism after the GoAstV infection

As indicated by the KEGG analysis, the most significant DEGs were mainly concentrated in the pathways related to the organic lipid metabolism. Therefore, the lipid metabolic changes in the gosling liver and blood were further examined. The Oil red O staining showed that, compared to the Control group, the number of the stained fat particles increased significantly (p < 0.05) in the GoAstV-infected gosling hepatocytes (Figure 5A). In addition, increased fat deposition in the liver of the birds after the virus exposure was confirmed by the significantly (p < 0.05) elevated serum free TG and HDL-C concentrations, as shown in Figures 5BE.

Figure 5
www.frontiersin.org

Figure 5. Alterations in the hepatic lipid metabolism in the gosling exposed to GoAstV. (A) Representative images of lipid deposition in the gosling hepatocytes by Oil red O staining (400×); (B–E) The comparison of the serum concentrations of TG (B), TC (C), LDL-C (D), and HDL-C (E) between the two experimental groups. The data were expressed as mean ± SEM (n = 6). Control group: The birds were subcutaneously injected with 0.2 mL of a saline solution. GoAstV group: The goslings were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain. *p < 0.05 and ***p < 0.001, compared to the Control group.

3.6 Validation of the gene expression in the lipid metabolism-related pathways

The expression levels of PPARα and PPARγ, as well as the six genes randomly selected from the lipid metabolism-related pathways, were tested to verify the accuracy of the RNA sequencing results and disclose the underlying mechanism contributing to the altered lipid metabolism in the gosling livers. As shown in Figure 6, except for ACAA1b and FABP4, the expression patterns of ACSBG2, PPARα, PPARγ, ACSL5, CPT1A, and PCK1 were fully consistent with those from the RNA-seq data. Specifically, the first three genes were markedly (p < 0.05) up-regulated, while the last three were down-regulated in the GoAstV group compared to the Control group.

Figure 6
www.frontiersin.org

Figure 6. Validation of the gene expression in the lipid metabolism-related pathways. To further verify the accuracy of the RNA sequencing results and explore the underlying mechanism contributing to the altered lipid metabolism in the gosling livers, the expression levels of PPARα, PPARγ, and the six genes randomly selected from the lipid metabolism-related KEGG pathways were assessed using RT-PCR, as shown in (A–H). Control group: The birds were subcutaneously injected with 0.2 mL of a saline solution. GoAstV group: The goslings were subcutaneously injected with 0.2 mL of chorioallantois membrane homogenates containing 2 × 10−6 TCID50 of the GoAstV strain. *p < 0.05 and ** p < 0.01, compared to the Control group.

4 Discussion

Goose astrovirus (GoAstV) is a newly discovered RNA virus that causes organic dysfunction and urate deposition in the joints and viscera of goslings under 3 weeks of age (An et al., 2020; Zhu and Sun, 2022). This virus not only has a pathogenic rate as high as 80% and a fatality rate of 50% in goslings (Wei et al., 2020b; Yang et al., 2018) but also, due to genetic variations generated during RNA replication, has the potential to cross the species barrier (Holland et al., 1982; Wei et al., 2020a), thereby causing significant economic losses to the poultry-breeding industry in China.

Studies have shown that GoAstV leads to organic lesions and dysfunctions mainly by triggering cellular inflammatory responses, oxidative stress, cell apoptosis, and host immunosuppression (Ding et al., 2021; Jin et al., 2018; Yin et al., 2021). Especially in the liver, which is not only the most important organ for material and energy metabolism but also the primary site of uric acid (UA) production in poultry (Dalbeth et al., 2016; Maiuolo et al., 2016). For example, Yin et al. (2021) reported that inoculating 1-day-old goslings with an SDPY astrovirus strain resulted in the majority of the goslings dying between 6 and 8 dpi. At the same time, obvious lesions and urate precipitation, as well as marked increases in serum ALT, AST, UA, and urea nitrogen (UN) levels, were found in the gosling livers. However, the functional alterations and their regulatory mechanisms in the gosling liver in response to GoAstV infection remain unclear. Therefore, in this study, morphological and RT-PCR techniques were first used to detect changes in the hepatic phenotype after the GoAstV infection. We found that, in accordance with previous research (Ding et al., 2021; Li Y et al., 2024; Ma et al., 2021; Xu et al., 2023), the structure and function of the gosling livers were visibly altered by the virus infection, as revealed by the histological alterations, such as the liver index, hepatocellular morphology, hepatic cords and sinuses, abnormal expression patterns of cellular antioxidant, inflammation, and apoptosis-related genes. However, in contrast to previous reports, we did not observe apparent urate crystallization or deposition in the gosling liver tissues. This may be due to differences in the virus strain, dosage, or infection duration used in this study (An et al., 2020; Ma et al., 2021).

RNA-seq analysis of the liver tissues was performed to further investigate how GoAstV induced damage to the gosling livers. A total of 1,949 differentially expressed genes (DEGs) were identified between the two experimental groups. The GO and KEGG analysis showed that the majority of these DEGs were enriched in GO terms related to immune defense and substance metabolism, as well as their corresponding regulatory pathways, such as the PPAR signaling pathway, intestinal immune network for IgA production, and fatty acid metabolism and degradation. This suggested that the GoAstV-induced changes in the gosling liver function were mainly concentrated on lipid metabolism. This finding was further confirmed by the Oil red O staining and blood biochemical analysis, which showed significant increases in the lipid droplet deposition and the serum concentrations of TG and HDL-C in the GoAstV-infected hepatocytes, compared to the Control group. Similarly, the expression of eight genes selected from the lipid metabolism-related pathways, such as ACSBG2, which is involved in lipogenesis, and ACSL5, CPT1A, and PCK1, which are correlated with fatty acid degradation, further demonstrated the potential contributions of these pathways to the lipid metabolism regulation in the gosling livers. However, surprisingly, we also found that the genes PPARα and PPARγ, involved in fatty acid oxidation and utilization and fatty acid transportation, respectively (Nguyen et al., 2008), were both significantly up-regulated in our study. Based on previous research, we suspect that two factors may explain this finding: on the one hand, in addition to lipid metabolism regulation, PPARα and PPARγ play crucial roles in various biological processes, such as organic growth and development, cell fate determination, and inflammatory responses (Berger and Moller, 2002; Feige et al., 2006). Therefore, the elevation of these two genes might have resulted from the GoAstV-induced inflammatory reactions we mentioned before. On the other hand, excessive lipid accumulation in gosling liver tissues triggers a negative feedback response in the animal. Therefore, this might have compensatively caused the up-regulation of PPARα and PPARγ (Ru and Guo, 2017).

In conclusion, by combining morphological, biochemical, and RNA-seq analyses, the present study demonstrated that GoAstV infection not only causes significant impairments in the structural and immune functions of gosling livers but also induces excessive lipid deposition in hepatocytes by interfering with gene transcription in lipid metabolism-related signaling pathways (Figure 7). These findings, to a certain extent, expand our understanding of the negative effects of GoAstV on goslings and provide new insights and experimental foundations for addressing GoAstV-induced liver dysfunction in the poultry industry.

Figure 7
www.frontiersin.org

Figure 7. A simplified schematic of the potential mechanisms underlying the GoAstV infection-induced hepatic inflammation and lipid deposition in the goslings.

Data availability statement

The original contributions presented in the study are publicly available. This data can be found at https://www.ncbi.nlm.nih.gov/sra/PRJNA1219335 with the BioProject accession number: PRJNA1219335.

Ethics statement

The animal study was approved by Animal Ethics Committee of Jiangxi Agricultural University (permit No. JXAULL-2020-28). The study was conducted in accordance with the local legislation and institutional requirements.

Author contributions

CY: Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft. YS: Formal analysis, Investigation, Methodology, Data curation, Validation, Writing – review & editing. HL: Methodology, Writing – review & editing, Resources. ZL: Methodology, Writing – review & editing. XGa: Writing – review & editing, Validation. GH: Writing – review & editing, Conceptualization, Data curation. XGu: Conceptualization, Data curation, Writing – review & editing, Project administration, Supervision.

Funding

The author(s) declare that financial support was received for the research, authorship, and/or publication of this article. This work was supported by the National Key R&D Program of China (No. 2023YFD180110), the National Natural Science Foundation of China (No. 32360906, 32072935), the Jiangxi Provincial Natural Science Foundation (20232ACB205013), the Jiangxi Poultry Industry Technology System (JXARS), and the Ji’an Science and Technology Plan for Agriculture and Rural Revitalization Special Projects of Jiangxi province (No. 20233–107714).

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Generative AI statement

The authors declare that no Generative AI was used in the creation of this manuscript.

Publisher’s note

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.

Supplementary material

The Supplementary material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fmicb.2025.1531373/full#supplementary-material

References

An, D., Zhang, J., Yang, J., Tang, Y., and Diao, Y. (2020). Novel goose-origin astrovirus infection in geese: the effect of age at infection. Poult. Sci. 99, 4323–4333. doi: 10.1016/j.psj.2020.05.041

PubMed Abstract | Crossref Full Text | Google Scholar

Berger, J., and Moller, D. E. (2002). The mechanisms of action of ppars. Annu. Rev. Med. 53, 409–435. doi: 10.1146/annurev.med.53.082901.104018

PubMed Abstract | Crossref Full Text | Google Scholar

Cortez, V., Meliopoulos, V. A., Karlsson, E. A., Hargest, V., Johnson, C., and Schultz-Cherry, S. (2017). Astrovirus biology and pathogenesis. Annu. Rev. Virol. 4, 327–348. doi: 10.1146/annurev-virology-101416-041742

PubMed Abstract | Crossref Full Text | Google Scholar

Dalbeth, N., Merriman, T. R., and Stamp, L. K. (2016). Gout. Lancet 388, 2039–2052. doi: 10.1016/S0140-6736(16)00346-9

Crossref Full Text | Google Scholar

Ding, R., Huang, H., Wang, H., Yi, Z., Qiu, S., Lv, Y., et al. (2021). Goose nephritic astrovirus infection of goslings induces lymphocyte apoptosis, reticular fiber destruction, and CD8 T-cell depletion in spleen tissue. Viruses 13:1108. doi: 10.3390/v13061108

PubMed Abstract | Crossref Full Text | Google Scholar

Feige, J. N., Gelman, L., Michalik, L., Desvergne, B., and Wahli, W. (2006). From molecular action to physiological outputs: peroxisome proliferator-activated receptors are nuclear receptors at the crossroads of key cellular functions. Prog. Lipid Res. 45, 120–159. doi: 10.1016/j.plipres.2005.12.002

PubMed Abstract | Crossref Full Text | Google Scholar

Holland, J., Spindler, K., Horodyski, F., Grabau, E., Nichol, S., and VandePol, S. (1982). Rapid evolution of RNA genomes. Science 215, 1577–1585. doi: 10.1126/science.7041255

PubMed Abstract | Crossref Full Text | Google Scholar

Hou, Z., Jin, S., Liang, Y., Wang, H., Jiang, D., and Cao, N. (2024). Apoptosis, inflammatory and innate immune responses induced by infection with a novel goose astrovirus in goose embryonic kidney cells. Front. Cell. Infect. Microbiol. 14:1452158. doi: 10.3389/fcimb.2024.1452158

PubMed Abstract | Crossref Full Text | Google Scholar

Jin, M., Wang, X., Ning, K., Liu, N., and Zhang, D. (2018). Genetic characterization of a new astrovirus in goslings suffering from gout. Arch. Virol. 163, 2865–2869. doi: 10.1007/s00705-018-3932-5

PubMed Abstract | Crossref Full Text | Google Scholar

Laliotis, G. P., Bizelis, I., and Rogdakis, E. (2010). Comparative approach of the de novo fatty acid synthesis (lipogenesis) between ruminant and non ruminant mammalian species: from biochemical level to the main regulatory lipogenic genes. Curr. Genomics 11, 168–183. doi: 10.2174/138920210791110960

PubMed Abstract | Crossref Full Text | Google Scholar

Li, J. Y., Hu, W. Q., Liu, T. N., Zhang, H. H., Opriessnig, T., and Xiao, C. T. (2021). Isolation and evolutionary analyses of gout-associated goose astrovirus causing disease in experimentally infected chickens. Poult. Sci. 100, 543–552. doi: 10.1016/j.psj.2020.11.003

PubMed Abstract | Crossref Full Text | Google Scholar

Li, H., Kang, Z., Wan, C., Zhang, F., Tan, M., Zeng, Y., et al. (2023). Rapid diagnosis of different goose astrovirus genotypes with taqman-based duplex real-time quantitative pcr. Poult. Sci. 102:102730. doi: 10.1016/j.psj.2023.102730

PubMed Abstract | Crossref Full Text | Google Scholar

Li, Y., Luo, J., Shang, J., Zhang, F., Deng, C., Feng, Y., et al. (2024). Epidemiological investigation and pathogenicity analysis of waterfowl astroviruses in some areas of China. Front. Microbiol. 15:1375826. doi: 10.3389/fmicb.2024.1375826

PubMed Abstract | Crossref Full Text | Google Scholar

Li, H., Su, Q., Fu, D., Huang, H., Lu, Z., Huang, C., et al. (2024). Alteration of gut microbiome in goslings infected with goose astrovirus. Poult. Sci. 103:103869. doi: 10.1016/j.psj.2024.103869

PubMed Abstract | Crossref Full Text | Google Scholar

Liu, C., Sun, M., and Liao, M. (2022). A review of emerging goose astrovirus causing gout. Biomed. Res. Int. 2022:1635373. doi: 10.1155/2022/1635373

PubMed Abstract | Crossref Full Text | Google Scholar

Ma, W., Zhou, L., Li, Y., Xia, D., Chen, J., Chen, J., et al. (2021). Persistent purine metabolic abnormality induces the aggravation of visceral inflammation and intestinal microbiota dysbiosis in magang goose. Front. Vet. Sci. 8:737160. doi: 10.3389/fvets.2021.737160

PubMed Abstract | Crossref Full Text | Google Scholar

Maiuolo, J., Oppedisano, F., Gratteri, S., Muscoli, C., and Mollace, V. (2016). Regulation of uric acid metabolism and excretion. Int. J. Cardiol. 213, 8–14. doi: 10.1016/j.ijcard.2015.08.109

PubMed Abstract | Crossref Full Text | Google Scholar

Nguyen, P., Leray, V., Diez, M., Serisier, S., Le Bloc'H, J., Siliart, B., et al. (2008). Liver lipid metabolism. J. Anim. Physiol. Anim. Nutr. (Berl). 92, 272–283. doi: 10.1111/j.1439-0396.2007.00752.x

PubMed Abstract | Crossref Full Text | Google Scholar

Ru, P., and Guo, D. (2017). Microrna-29 mediates a novel negative feedback loop to regulate scap/srebp-1 and lipid metabolism. RNA Dis. 4:e1525. doi: 10.14800/rd.1525

PubMed Abstract | Crossref Full Text | Google Scholar

Wei, F., Yang, J., He, D., Diao, Y., and Tang, Y. (2020a). Evidence of vertical transmission of novel astrovirus virus in goose. Vet. Microbiol. 244:108657. doi: 10.1016/j.vetmic.2020.108657

PubMed Abstract | Crossref Full Text | Google Scholar

Wei, F., Yang, J., Wang, Y., Chen, H., Diao, Y., and Tang, Y. (2020b). Isolation and characterization of a duck-origin goose astrovirus in China. Emerg. Microbes Infect. 9, 1046–1054. doi: 10.1080/22221751.2020.1765704

PubMed Abstract | Crossref Full Text | Google Scholar

Wu, W., Xu, R., Lv, Y., and Bao, E. (2020). Goose astrovirus infection affects uric acid production and excretion in goslings. Poult. Sci. 99, 1967–1974. doi: 10.1016/j.psj.2019.11.064

PubMed Abstract | Crossref Full Text | Google Scholar

Xu, L., Jiang, B., Cheng, Y., He, Y., Wu, Z., Wang, M., et al. (2023). Infection and innate immune mechanism of goose astrovirus. Front. Microbiol. 14:1121763. doi: 10.3389/fmicb.2023.1121763

PubMed Abstract | Crossref Full Text | Google Scholar

Yang, J., Tian, J., Tang, Y., and Diao, Y. (2018). Isolation and genomic characterization of gosling gout caused by a novel goose astrovirus. Transbound. Emerg. Dis. 65, 1689–1696. doi: 10.1111/tbed.12928

PubMed Abstract | Crossref Full Text | Google Scholar

Yin, D., Tian, J., Yang, J., Tang, Y., and Diao, Y. (2021). Pathogenicity of novel goose-origin astrovirus causing gout in goslings. BMC Vet. Res. 17:40. doi: 10.1186/s12917-020-02739-z

PubMed Abstract | Crossref Full Text | Google Scholar

Zhu, Q., Miao, Y., Wang, J., Bai, W., Yang, X., Yu, S., et al. (2022). Isolation, identification, and pathogenicity of a goose astrovirus causing fatal gout in goslings. Vet. Microbiol. 274:109570. doi: 10.1016/j.vetmic.2022.109570

Crossref Full Text | Google Scholar

Zhu, Q., and Sun, D. (2022). Goose astrovirus in China: a comprehensive review. Viruses 14:1759. doi: 10.3390/v14081759

PubMed Abstract | Crossref Full Text | Google Scholar

Keywords: astrovirus, gosling, infection, lipid metabolism, liver, pathway

Citation: Yin C, Shi Y, Li H, Lu Z, Gao X, Hu G and Guo X (2025) Effects and potential pathways of goose astrovirus infection on gosling hepatic lipid metabolism. Front. Microbiol. 16:1531373. doi: 10.3389/fmicb.2025.1531373

Received: 04 December 2024; Accepted: 16 January 2025;
Published: 25 February 2025.

Edited by:

Eloi R. Verrier, INSERM UMR_S1110 Institute de Recherche sur les Maladies Virales et Hepatiques, France

Reviewed by:

Bin Zhou, Nanjing Agricultural University, China
Bao Yi, Chinese Academy of Agricultural Sciences (CAAS), China

Copyright © 2025 Yin, Shi, Li, Lu, Gao, Hu and Guo. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Xiaoquan Guo, eHFndW8yMDcyMEBqeGF1LmVkdS5jbg==

These authors have contributed equally to this work

Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.

Research integrity at Frontiers

Man ultramarathon runner in the mountains he trains at sunset

94% of researchers rate our articles as excellent or good

Learn more about the work of our research integrity team to safeguard the quality of each article we publish.


Find out more