Article(id=1308467752012902742, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2025-0164, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739894400000, receivedDateStr=2025-02-19, revisedDate=1752249600000, revisedDateStr=2025-07-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1789892622234, onlineDateStr=2026-09-20, pubDate=1760198400000, pubDateStr=2025-10-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789892622234, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789892622234, creator=13701087609, updateTime=1789892622234, updator=13701087609, issue=Issue{id=1308467640138227885, tenantId=1146029695717560320, journalId=1189982191388893191, year='2025', volume='60', issue='10', pageStart='2913', pageEnd='3262', issueExtLink='null', onlineDate='null', pubDate='1760198400000', pubDateStr='2025-10-12', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789892595562, creator='13701087609', updateTime=1789893273356, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308470483071033443, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308470483071033444, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3169, endPage=3180, ext={EN=ArticleExt(id=1308467752310698327, articleId=1308467752012902742, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Characterization of the polysaccharide fraction in
Rhubarb-
Astragalus herb pair and their therapeutic potential in alleviating ulcerative colitis, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
Ulcerative colitis (UC) is a chronic relapsing inflammatory disease primarily affecting the colonic and rectal mucosa. Its complex pathogenesis, involving immune dysregulation, intestinal barrier dysfunction, gut microbiota dysbiosis, and other pathological factors, has led to the current lack of effective therapeutic agents in clinical practice. This study focused on extracting and characterizing polysaccharide components from the Rhubarb-Astragalus herb pair (GJ-2 and GJ-3) and evaluating their therapeutic effects on dextran sulfate sodium (DSS)-induced UC in mice. Crude polysaccharides were extracted from Rheum palmatum and Astragalus membranaceus via aqueous extraction-alcohol precipitation. Two polysaccharide fractions (GJ-2 and GJ-3) were isolated and purified using anion-exchange cellulose column. Structural characteristics, including total polysaccharide content (phenol-sulfuric acid method), uronic acid quantification (m-hydroxydiphenyl assay), infrared spectral features (FT-IR), and monosaccharide composition analysis 1-phenyl-3-methyl-5-pyrazolone (PMP) derivatization coupled with HPLC were systematically characterized. In vivo, a DSS-induced UC model was established using 2.5% dextran sulfate sodium (DSS). After intragastric administration of different doses of polysaccharide fractions, pathological changes of the colon tissue were observed by hematoxylin-eosin (HE) staining, while the levels of inflammatory factors in mouse serum and myeloperoxidase (MPO) activity in colon tissue were quantified by enzyme-linked immunosorbent assay (ELISA). Tight junction proteins (ZO-1, claudin-1) were analyzed via immunofluorescence, and tumor necrosis factor α (TNF-α)/interleukin 6 (IL-6) mRNA expression was quantified by qRT-PCR. Gut microbiota composition was evaluated through 16S rDNA sequencing of cecal contents. Consequently, two weakly acidic polysaccharide fractions, GJ-2 and GJ-3, were isolated from the Rheum palmatum-Astragalus membranaceus herb pair. Monosaccharide analysis revealed GJ-2 was composed of glucose (Glc), galactose (Gal), and arabinose (Ara), whereas GJ-3 predominantly contained Gal and Ara, both exhibiting carboxyl groups and pyranose configurations (FT-IR). In DSS-treated mice, GJ-2 and GJ-3 significantly ameliorated colon shortening, body weight loss, and elevated DAI scores. Histopathology demonstrated reduced mucosal damage, while ELISA and qRT-PCR showed decreased TNF-α and IL-6 levels in serum and colon tissues. Moreover, the polysaccharide fractions significantly upregulated the expression levels of ZO-1 and claudin-1 and restored gut microbiota diversity in DSS-induced mice, and enriched beneficial taxa, including f.__Clostridiales and g.__Vagococcus. In conclusion polysaccharide fractions from the Rheum palmatum-Astragalus membranaceus herb pair exhibit therapeutic potential against UC, likely serving as a key material basis for the efficacy of this herb pair. The animal operation was approved by the Zhejiang Center of Labortory Animals (No: ZJCLA-IACUC-20011023). All experiments were conducted in accordance with relevant guidelines and regulations.
, authors=Qiao-ying KE
1, Wang-hao ZHANG
1, Jia-wei FENG
1, Teng LIANG
1, Hua-jian LI
1, Xiao-feng YE
1, Ying-hui WEI
1, 2, *, authorsList=Qiao-ying KE, Wang-hao ZHANG, Jia-wei FENG, Teng LIANG, Hua-jian LI, Xiao-feng YE, Ying-hui WEI, authorCompany=null, correspAuthors=Ying-hui WEI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1308467755708084582, articleId=1308467752012902742, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=大黄-黄芪多糖组分组成及缓解溃疡性结肠炎作用研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
溃疡性结肠炎(ulcerative colitis, UC) 是一种累及结肠和直肠黏膜的慢性复发性炎症疾病。复杂的发病机制(涉及免疫失调、肠道屏障损伤及菌群紊乱等多重病理环节) 导致临床目前仍缺乏有效治疗药物。因此本研究聚焦于从大黄-黄芪药对中提取分离多糖组分, 探究其基本结构特征, 并评价其对葡聚糖硫酸钠(dextran sulphate sodium, DSS) 诱导的小鼠UC的治疗作用。采用水提-醇沉法制备大黄-黄芪粗多糖, 通过阴离子交换纤维素柱制备多糖组分(GJ-2、GJ-3), 依次采用苯酚-硫酸法、间羟基联苯法、FT-IR、1-苯基-3-甲基-5-吡唑啉酮(1-phenyl-3-methyl-5-pyrazolone, PMP) 衍生化-HPLC法等对多糖组分的总糖含量、糖醛酸含量、红外特征、单糖组成等结构特征进行解析。采用2.5% DSS诱导急性UC小鼠模型, 灌胃不同剂量多糖组分后, 采用苏木素-伊红(hematoxylin and eosin, HE) 染色观察结肠组织病理变化; 酶联免疫吸附(enzyme-linked immunosorbent assay, ELISA) 测定小鼠血清中炎症因子水平及结肠组织中髓过氧化物酶(myeloperoxidase, MPO) 水平; 采用实时定量聚合酶链式反应(qRT-PCR) 技术检测结肠组织TNF-α (tumor necrosis factor α, TNF-α)、IL-6 (interleukin 6, IL-6) mRNA的表达水平; 采用免疫荧光法分析结肠组织紧密连接蛋白ZO-1 (zonula occludens 1, ZO-1)、claudin-1的表达。同时采用16S rDNA扩增技术分析小鼠盲肠内容物菌群多样性、肠道菌群群落组成及菌群差异。结果显示, 从大黄-黄芪药对中分离纯化得到的多糖组分GJ-2主要由葡萄糖、半乳糖、阿拉伯糖组成; GJ-3主要由半乳糖和阿拉伯糖组成。两种弱酸性多糖均含羧基及吡喃糖特征吸收峰。多糖组分可显著改善DSS诱导引起的小鼠结肠长度缩短、体质量下降及疾病活动指数(disease activity index, DAI) 评分升高等病理表现, 同时减轻结肠组织病理损伤, 降低小鼠血清及结肠组织中炎症因子TNF-α和IL-6水平。此外, 多糖组分有效上调了ZO-1、claudin-1的表达水平; 恢复了DSS小鼠肠道菌群多样性, 富集了厚壁菌门毛螺菌科(f.__Clostridiales)、漫游球菌属(g.__Vagococcus) 等有益菌群。综上, 大黄-黄芪多糖组分具有缓解UC作用, 可能是大黄-黄芪重要的物质基础。动物实验经浙江省实验动物中心伦理委员会批准, 且实验均按相关指导原则和规定进行, 批准号: ZJCLA-IACUC-20011023。
, authors=柯俏颖
1, 张王昊
1, 冯嘉惟
1, 梁腾
1, 李华健
1, 叶小风
1, 魏颖慧
1, 2, *, authorsList=柯俏颖, 张王昊, 冯嘉惟, 梁腾, 李华健, 叶小风, 魏颖慧, authorCompany=null, correspAuthors=魏颖慧, authorNote=
作者贡献:
柯俏颖为实验主要完成者及文章主要撰写者; 张王昊和冯嘉惟参与了实验方案设计及动物造模; 梁腾、叶小风、李华健参与了结构表征与数据处理分析; 魏颖慧提出本文研究思路并指导课题设计、实验实施、论文撰写与修改。
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Weissella cibaria facilitates intestinal mucosal barrier function by modulating gut bacteria and propionate levels [J]. Carbohydr Polym, 2025, 354: 123300., articleTitle=null, refAbstract=null), Reference(id=1308498023114695668, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=27, rfOrder=26, authorNames=null, journalName=null, refType=null, unstructuredReference=Van Zyl WF, Deane SM, Dicks LMT. Molecular insights into probiotic mechanisms of action employed against intestinal pathogenic bacteria [J]. Gut Microbes, 2020, 12: 1831339., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1308498013715260304, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, xref=1, ext=[AuthorCompanyExt(id=1308498013723648913, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, companyId=1308498013715260304, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2浙江中医药大学金华研究院, 浙江 金华 321015)])], figs=[ArticleFig(id=1308498018161222598, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=8N2pp90chHK2AJHw2QPvzQ==, figureFileBig=U6TlCKEhSSWSr0et1n6TOg==, tableContent=null), ArticleFig(id=1308498018228331463, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.1, caption=
Ion exchange elution profiling and structural characterization of Rheum palmatum-Astragalus membranaceus polysaccharide fractions. A: DEAE-52 chromatography of GJ polysaccharides; B-D: HPLC chromatogram of mixed standard, GJ-2 and GJ-3 sample; E: FT-IR spectra of GJ-2 and GJ-3; F: Congo red experiment. GJ polysaccharides: Gong-Jian polysaccharides, figureFileSmall=8N2pp90chHK2AJHw2QPvzQ==, figureFileBig=U6TlCKEhSSWSr0et1n6TOg==, tableContent=null), ArticleFig(id=1308498018320606152, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=/xfzae0DSKaCakBLXgwaFQ==, figureFileBig=zf1UAZSOHfQbFoua/CW7EA==, tableContent=null), ArticleFig(id=1308498018387715017, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.2, caption=
Polysaccharides mitigated DSS-induced murine colitis. A: Experiment design; B, D: Body weight changes in each group during experiment periods; C: DAI of mice in different groups; E: Terminal body weight variation at day 11 post-induction; F: DAI scores evaluated on day 11; G, H: Colon length measurement. n = 6, x ± s. *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.000 1. NC: Negative control; SASP: Sulfasalazine; DSS: Dextran sulfate sodium; ns: No significant difference, figureFileSmall=/xfzae0DSKaCakBLXgwaFQ==, figureFileBig=zf1UAZSOHfQbFoua/CW7EA==, tableContent=null), ArticleFig(id=1308498018454823882, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=4Mdc3k8tnDmQzb4p5rEmeQ==, figureFileBig=3Y+d2C+iChxDRX5TZXkzsg==, tableContent=null), ArticleFig(id=1308498018526127051, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.3, caption=
Polysaccharides ameliorated colon damage in DSS-induced UC mice. A: Representative H & E staining: images of the colonic sections; B: Histopathological scores for colons. n = 6, x ± s. *P < 0.05, ****P < 0.000 1, figureFileSmall=4Mdc3k8tnDmQzb4p5rEmeQ==, figureFileBig=3Y+d2C+iChxDRX5TZXkzsg==, tableContent=null), ArticleFig(id=1308498018605818828, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=YormaJPTeKHG/7a2cbJcLw==, figureFileBig=Y7v7anNpwG4Uc1Kjpkt/NA==, tableContent=null), ArticleFig(id=1308498018672927693, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.4, caption=
In vivo anti-flammatory effect of polysaccharides. A: Myeloperoxidase (MPO) levels in mice colon tissue; B, C: Tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) levels in mice serum. n = 6, x ± s; D, E: TNF-α and IL-6 levels in mice colon tissue. n = 3, x ± s. *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.000 1, figureFileSmall=YormaJPTeKHG/7a2cbJcLw==, figureFileBig=Y7v7anNpwG4Uc1Kjpkt/NA==, tableContent=null), ArticleFig(id=1308498018735842254, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=fvP5iMbX3OnT+DQRZUwxxg==, figureFileBig=wyNW0/A0H/x5sG5ImtKRAg==, tableContent=null), ArticleFig(id=1308498018798756815, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.5, caption=
Polysaccharides reduced colonic mucosal damage and maintained intestinal barrier function. A, B: Immunofluorescence staining of the tight junction proteins in the colon sections; C, D: Fluorescence area of ZO-1 and claudin-1 of colon sections after mice were treated with different formulations. n = 3, x ± s. *P < 0.05, **P < 0.01, ***P < 0.001. ZO-1: Zonula occludens 1; DAPI: 4′, 6-Diamidino-2-phenylindole, figureFileSmall=fvP5iMbX3OnT+DQRZUwxxg==, figureFileBig=wyNW0/A0H/x5sG5ImtKRAg==, tableContent=null), ArticleFig(id=1308498020476478416, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=2sNxA1KuZ6hcbKPHkAMYKw==, figureFileBig=m5nIW/5F2RoudGQ3oaygJg==, tableContent=null), ArticleFig(id=1308498020551975889, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.6, caption=
Influence of polysaccharides on intestinal microbiota composition. A: Simpson curves and α-diversity analysis using ace and shannon; B: PCoA plot analysis/NMDS of jaccrad_unifrac distance based on 16S rDNA profiling (ASVs level) in each group; C: Taxonomic distributions of bacteria at the phylum and genus level (Wilcoxon rank-sum test). n = 6, x ± s. *P < 0.05, **P < 0.01. ASV: Amplicon sequence variants; NDMS: Non-metric multidimensional scaling, figureFileSmall=2sNxA1KuZ6hcbKPHkAMYKw==, figureFileBig=m5nIW/5F2RoudGQ3oaygJg==, tableContent=null), ArticleFig(id=1308498020635861970, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=/U9ZV9vvnKa4ln9qq28VpA==, figureFileBig=NsDpblQtFxnEvUZLSHRCjw==, tableContent=null), ArticleFig(id=1308498020702970835, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Fig.7, caption=
LefSe analysis cladogram representing the significantly different taxas among different groups (LDA > 3). n = 6, x ± s. LDA: Linear discriminant analysis, figureFileSmall=/U9ZV9vvnKa4ln9qq28VpA==, figureFileBig=NsDpblQtFxnEvUZLSHRCjw==, tableContent=null), ArticleFig(id=1308498020782662612, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Score | Body weight loss/% | Fecal property | Fecal occult blood |
| 0 | 0 | Normal | Occult blood (-) |
| 1 | 1-5 | Between normal and semi-loose stools | Occult blood (+) |
| 2 | 6-10 | Semi-loose stools | Occult blood (++) |
| 3 | 10-15 | Between semi-loose and loose stools | Occult blood (+++) |
| 4 | > 15 | Loose stools | Bleeding |
), ArticleFig(id=1308498020853965781, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Tab.1, caption=
The assessment of the disease activity index. DAI: Disease activity index
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| Score | Body weight loss/% | Fecal property | Fecal occult blood |
| 0 | 0 | Normal | Occult blood (-) |
| 1 | 1-5 | Between normal and semi-loose stools | Occult blood (+) |
| 2 | 6-10 | Semi-loose stools | Occult blood (++) |
| 3 | 10-15 | Between semi-loose and loose stools | Occult blood (+++) |
| 4 | > 15 | Loose stools | Bleeding |
), ArticleFig(id=1308498020921074646, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Indictor | Judgement standard | Score |
| The severity of mucosal damage | Intact crypt structure | 0 |
| Crypt loss < 1/3 (local mild injury) | 1 |
| Crypt loss > 1/3 but ≤1/2 (mild injury) | 2 |
| Crypt loss > 1/2 but ≤2/3 (moderate injury) | 3 |
| Complete crypt loss with intact epithelium | 4 |
| Complete crypt loss with epithelial destruction | 5 |
| Extent of disease | No damage (0%) | 0 |
| 1%-20% | 1 |
| 21%-40% | 2 |
| 41%-60% | 3 |
| 61%-80% | 4 |
| 81%-100% | 5 |
), ArticleFig(id=1308498021009155031, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Tab.2, caption=
Pathological score of colonic mucosa
, figureFileSmall=null, figureFileBig=null, tableContent=
| Indictor | Judgement standard | Score |
| The severity of mucosal damage | Intact crypt structure | 0 |
| Crypt loss < 1/3 (local mild injury) | 1 |
| Crypt loss > 1/3 but ≤1/2 (mild injury) | 2 |
| Crypt loss > 1/2 but ≤2/3 (moderate injury) | 3 |
| Complete crypt loss with intact epithelium | 4 |
| Complete crypt loss with epithelial destruction | 5 |
| Extent of disease | No damage (0%) | 0 |
| 1%-20% | 1 |
| 21%-40% | 2 |
| 41%-60% | 3 |
| 61%-80% | 4 |
| 81%-100% | 5 |
), ArticleFig(id=1308498021084652504, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Gene | | Primer sequence (5′-3′) |
| TNF-α | Forward | AGCCTCTTCTCATTCCTGCTTGTG |
| Reverse | GATCACCCCGAAGTTCAGTAGACA |
| IL-6 | Forward | CTTCTTGGGACTGATGCTGGT |
| Reverse | CTCTGTGAAGTCTCCTCTCCG |
| GAPDH | Forward | TGTGTCCGTCGTGGATCTGA |
| Reverse | TTGCTGTTGAAGTCGCAGGAG |
), ArticleFig(id=1308498021147567065, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467752012902742, language=CN, label=Tab.3, caption=
The primer sequences of real-time quantitative PCR. TNF-α: Tumor necrosis factor α; IL-6: Interleukin 6; GAPDH: Glyceraldehyde-3-phosphate dehydrogenase
, figureFileSmall=null, figureFileBig=null, tableContent=
| Gene | | Primer sequence (5′-3′) |
| TNF-α | Forward | AGCCTCTTCTCATTCCTGCTTGTG |
| Reverse | GATCACCCCGAAGTTCAGTAGACA |
| IL-6 | Forward | CTTCTTGGGACTGATGCTGGT |
| Reverse | CTCTGTGAAGTCTCCTCTCCG |
| GAPDH | Forward | TGTGTCCGTCGTGGATCTGA |
| Reverse | TTGCTGTTGAAGTCGCAGGAG |
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