Page 127 - 《水产学报》2025年第10期
P. 127

李森栋,等                                                                水产学报, 2025, 49(10): 109609


                                                               reduced  cortisol  levels  in  blood  parrot  cichlid  and
                                                               koi  carp,  while  Aloe  vera  increased  white  blood
                                                                                                   [51]
                                                               cells and lysozyme activity in Nile tilapia . Being
                                                               consistent with these, in the present study, the WS
                                                               supplement also significantly alleviated the oxidat-
                       (a) CC               (b) CC             ive  damages  and  inflammatory  responses  through
                                                               reducing levels of ROS, MDA, and HSP-70, as well
                                                               as enhancing SOD activity in fish. Likewise, the WS
                                                               dietary  could  stabilize  the  immune  system  of  fish
                                                               via reducing the immune response and suppressing
                                                               the elevation of inflammation factors, IgM, TNF-α
                        (c) CP               (d) CP
                                                               and IL-6. These typical cytokines always served as
                                                               markers  of  inflammation  activation  in  previous
                                                               studies [13,52] .  Taken  together,  the  WS  dietary  was
                                                               found being able to alleviate the stress and immune
                                                               responses  through  reducing  the  cortisol  levels  and
                                                               suppressing the expression levels of immune related
                       (e) NC               (f) NC
                                                               genes  in  darkbarbel  catfish.  These  findings  would
                                                               facilitate developing aquatic feed with reduced hep-
                                                               atotoxicity  and  enhanced  anti-stress  in  fish,  and
                                                               practical strategies for promoting green/health trans-
                                                               ition in aquaculture with low cost (CNY 0.5 Yuan
                                                               per kg feed for WS supplementation).

                       (g) NP               (h) NP
               Fig. 10 Oil Red O staining of liver tissue in darkbarbel  3.2      The  active  molecular  targets  of  WS  ana-
                   catfish under various experimental conditions  lyzed by Network pharmacology in fish
              The adult fish were fed with WS for 5 weeks and subjected to a stress of
                                                                   In recent years, increasing reports have docu-
              physical stimulus. And then the fish were sacrificed, the liver samples
                                                               mented  the  properties  of  WS, including   neuropro-
              were collected and sectioned for analysis. Oil Red O stains lipid droplets
              (red dots labeled by arrows), while cell nuclei were counter-stained by  tective,  sedative,  and  adaptogenic,  as  well  as  anti-
              hematoxylin (blue). (a, b) The groups of fish included the CC (no stress,        [1,13,53]
                                                               inflammatory, antimicrobial in human  . WS, as
              no WS supplementation); (c, d) CP (subjected to physical stimulus, no
                                                               a promising adaptogenic herb, has been widely used
              WS supplementation). (e, f) NC (no stress, WS supplementation). (g, h)
              NP (subjected to physical stimulus, WS supplementation). Scale bars, a,  to treat various illnesses in Human, including can-
              c, e, g, 100 µm; b, d, f, h, 20 µm.              cer,  diabetes,  hypertension,  stress,  arthritic,  and
              attributed  to  its  capability  to  suppress  the  NF‑ κB,  neurodegenerative  disorders [13-15] .  However,  the
              mitogen‑ activated protein kinase pathways, and to  mechanisms behind WS action on the HPA-axis to
              modulate  cytokine  expression,  e.g.  altering  the  relieve mental stress, especially as for the molecu-
              expression  of  pro-inflammatory  cytokines,  such  as  lar  targets  and  pathways  whereby  WS  exerts  its
              interleukin IL-8, IL-6, tumour necrosis factor (TNF-  beneficial effects are not yet elucidated in animals,
              α) and other antioxidant enzymes in animals [10,49-50] .  including the fish species.
              Similarly, the previous reports also documented that  Fortunately,  network  pharmacology  emerged
              herbal  extracts  (e.g.,  GTE  and  Aloe  vera)  could  as  a  novel  strategy  for  discovering  new  drugs  or
              alleviate  fish  stress  through  multiple  pathways,  studying pharmacological processes based on vari-
              including HPA axis regulation, antioxidant activity,  ous  fields  including  pharmacology  and  computer
                                                                     [54]
                                      [51]
              and  immune  enhancement .  GTE  significantly   science .  The  strategy  of  network  pharmacology
              中国水产学会主办  sponsored by China Society of Fisheries                          https://www.china-fishery.cn
                                                            17
   122   123   124   125   126   127   128   129   130   131   132