1.Research hotspot and evolution trend of ocular surface flora based on bibliometrics
Yang YANG ; Ting ZHANG ; Shuangle LI ; Wenzhai CAO
International Eye Science 2025;25(1):42-49
AIM: To analyze the current status, research hotspots, and development trends of international studies on ocular surface microbiota based on bibliometrics.METHODS: Leveraging the Web of Science database, we conducted a targeted literature search on ocular surface flora. The retrieved data were meticulously screened and weighted to enhance relevance. The bibliometric analysis delved into publication trends, authorship patterns, institutional collaborations, and pivotal research themes. Employing Cite Space software, we visually dissected the landscape of institutional and national partnerships, citation impact, keyword co-occurrences, keyword clustering dynamics, and the emergence of new research trends.RESULTS: A total of 3 884 publications were ultimately included, with an overall upward trend in the number of publications in the field of ocular surface microbiota from 2003 to 2023, with the most rapid growth occurring from 2019 to 2022. The top three regions/countries by publication volume are the United States(1 039 papers), China(570 papers), and India(302 papers). The top three authors by publication volume are Willcox Mark(48 papers), Sharma Savitri(33 papers), and Fleiszig Suzanne M.J(27 papers). The top three institutions by publication volume, all from the United States, are the University of California, L.V. Prasad Eye Institute, and Harvard University. The citation network map of the literature includes 801 nodes and 1 508 connections, with the most frequently cited document being Temporal Stability and Composition of the Ocular Surface Microbiome. The top 5 keywords by frequency of occurrence are, in order, keratitis, bacterial flora, identification, inflammation, and endophthalmitis. The keyword clustering analysis yielded a total of 8 clusters, which are specifically reflected in three aspects: ocular-related diseases, the relationship between ocular surface microbiota and ocular surface structures, and detection methods for ocular surface microbiota. The keyword with the highest burst strength is ciprofloxacin. Keywords that have emerged in recent years and continue to the present include diversity, gut microbiome, and ocular surface microbiome.CONCLUSION: Currently, the study of ocular surface microflora is gaining momentum globally, with a particular focus on the diversity of microflora, the composition of the core microbiome, and its impact on ocular diseases. In the future, research should concentrate on elucidating the functional metabolism of the ocular surface microflora and further investigate the causality and mechanisms by which changes in the ocular surface microflora are related to diseases.
2.Advances in the impact of obesity on ocular diseases
Di ZHANG ; Huixian WANG ; Xu ZHANG ; Wenjing LI
International Eye Science 2025;25(1):88-93
Obesity is a risk factor and pathological basis for various chronic non-communicable diseases and is an important risk factor leading to human mortality and disability. The harm of obesity to the body includes not only various systemic diseases but also some ocular diseases. Currently, the higher pursuit of life and visual quality has led to increased attention to the etiology and prevention of ocular diseases, and the impact of obesity on ocular diseases has been gradually discovered. This article reviews the impact of obesity on certain ocular diseases to deepen the understanding of obesity's impact on ocular diseases and provide a reference for the prevention and treatment of ocular diseases.
3.Rehmanniae Radix Iridoid Glycosides Protect Kidneys of Diabetic Mice by Regulating TGF-β1/Smads Signaling Pathway
Hongwei ZHANG ; Ming LIU ; Huisen WANG ; Wenjing GE ; Xuexia ZHANG ; Qian ZHOU ; Huani LI ; Suqin TANG ; Gengsheng LI
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):56-66
ObjectiveTo investigate the protective effect of Rehmanniae Radix iridoid glycosides (RIG) on the kidney tissue of streptozotocin (STZ)-induced diabetic mice and explore the underlying mechanism. MethodsTwelve of 72 male C57BL/6J mice were randomly selected as the normal group, and the remaining 60 mice were fed with a high-fat diet for six weeks combined with injection of 60 mg·kg-1 STZ for 4 days to model type 2 diabetes mellitus. The successfully modeled mice were randomized into model, metformin (250 mg·kg-1), catalpol (100 mg·kg-1), low-dose RIG (RIG-L, 200 mg·kg-1) and high-dose RIG (RIG-H, 400 mg·kg-1) groups (n=11). Mice in each group were administrated with corresponding drugs, while those in the normal group and model group were administrated with the same dose of distilled water by gavage once a day. After 8 weeks of intervention, an oral glucose tolerance test (OGTT) was performed, and the area under the curve (AUC) was calculated. After mice were sacrificed, both kidneys were collected. The body weight, kidney weight, and fasting blood glucose (FBG) were measured. Biochemical assays were performed to measure the serum levels of triglycerides (TG), total cholesterol (TC), serum creatinine (SCr), and blood urea nitrogen (BUN). Enzyme-linked immunosorbent assay (ELISA) was employed to determine the serum level of fasting insulin (FINS), and the insulin sensitivity index (ISI) and homeostatic model assessment for insulin resistance (HOMA-IR) were calculated. The pathological changes in kidneys of mice were observed by hematoxylin-eosin staining and Masson staining. The immunohistochemical method (IHC) was employed to assess the expression of interleukin-1 (IL-1), interleukin-6 (IL-6), tumor necrosis factor-α(TNF-α), transforming growth factor-β1 (TGF-β1), and collagen-3 (ColⅢ) in the kidney tissue. The protein levels of TGF-β1, cell signal transduction molecule 3 (Smad3), matrix metalloproteinase-9 (MMP-9), and ColⅢ in kidneys of mice were determined by Western blot. ResultsCompared with the normal group, the model group showcased decreased body weight and ISI (P<0.01), increased kidney weight, FBG, AUC, FINS, HOMA-IR, TC, TG, SCr, and BUN (P<0.01), glomerular hypertrophy, capsular space narrowing, and collagen deposition in the kidney, up-regulated protein levels of IL-1, IL-6, TNF-α, TGF-β1, ColⅢ, and Smad3 (P<0.01), and down-regulated protein level of MMP-9 (P<0.01) in the kidney tissue. Compared with the model group, the treatment groups had no significant difference in the body weight and decreased kidney weight (P<0.05, P<0.01). The FBG level declined in the RIG-H group after treatment for 4-8 weeks and in the metformin, catalpol, and RIG-L groups after treatment for 6-8 weeks (P<0.01). The AUC in the RIG-L, RIG-H, and metformin groups decreased (P<0.05, P<0.01). The levels of TC, SCr, and BUN in the serum of mice in each treatment group became lowered (P<0.05, P<0.01). The level of TG declined in the RIG-L, RIG-H, and metformin groups (P<0.05, P<0.01). The serum level of FINS declined in the catalpol, RIG-L, and metformin groups (P<0.01). Compared with the model group, the treatment groups showed decreased HOMA-IR (P<0.01), increased ISI (P<0.01), alleviated pathological changes in the kidney tissue, and down-regulated expression of IL-1 and TGF-β1. In addition, the protein levels of IL-6, TNF-α, and ColⅢ in the RIG-H and metformin groups and IL-6 and TNF-α in the RIG-L group were down-regulated (P<0.05, P<0.01), and the protein levels of IL-6, TNF-α, and ColⅢ in the catalpol group and ColⅢ in the RIG-L group showed a decreasing trend without statistical difference. The protein levels of TGF-β1, Smad3, and ColⅢ in the RIG-H and metformin groups were down-regulated (P<0.01). Compared with that in the model group, the protein level of MMP-9 was up-regulated in each treatment group (P<0.01). ConclusionRIG can improve the renal structure and function of diabetic mice by regulating the TGF-β1/Smads signaling pathway.
4.Effect of Wulao Qisun Prescription on Proliferation and Osteogenic Differentiation of AS Fibroblasts by Regulating Wnt/β-catenin Signaling Pathway
Juanjuan YANG ; Ping CHEN ; Haidong WANG ; Zhendong WANG ; Haolin LI ; Zhimin ZHANG ; Yuping YANG ; Weigang CHENG ; Jin SU ; Jingjing SONG ; Dongsheng LU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):67-73
ObjectiveTo investigate the effect and underlying mechanism of the Wulao Qisun prescription on pathological new bone formation in ankylosing spondylitis (AS). MethodsSynovial fibroblasts were isolated from the hip joints of AS patients and observed under a microscope to assess cell morphology. The cells were identified using immunofluorescence staining. The isolated AS fibroblasts were divided into blank group, low drug-containing serum group, medium drug-containing serum group, high drug-containing serum group, and positive drug group. After drug intervention, cell proliferation was measured using the cell counting kit-8 (CCK-8) assay to observe fibroblast growth and determine the optimal intervention time. Alkaline phosphatase (ALP) activity was measured using the alkaline phosphatase assay. Protein expression of osteocalcin (OCN), osteopontin (OPN), and runt-related transcription factor 2 (Runx2) was detected by Western blot. The mRNA expression levels of Wnt5a, β-catenin, and Dickkopf-1 (DKK-1) were measured by real-time quantitative polymerase chain reaction (Real-time PCR). ResultsCompared with the blank group, each drug-containing serum group of Wulao Qisun prescription and the positive drug group inhibited the proliferation of AS fibroblasts and reduced ALP expression (P<0.01). Compared with the blank group, the low drug-containing serum group of Wulao Qisun prescription downregulated β-catenin mRNA expression (P<0.05). The medium and high drug-containing serum groups and the positive drug group significantly downregulated Wnt5a and β-catenin mRNA expression (P<0.05, P<0.01), with the positive drug group showing the most pronounced effect (P<0.01). The high drug-containing serum group and the positive drug group significantly upregulated DKK-1 mRNA expression (P<0.01). Compared with the blank group, the low drug-containing serum group of Wulao Qisun prescription inhibited the expression of OPN and Runx2 proteins (P<0.05, P<0.01), while the medium and high drug-containing serum groups and the positive drug group inhibited the expression of OCN, OPN, and Runx2 proteins (P<0.05, P<0.01). ConclusionThe Wulao Qisun prescription can inhibit the proliferation and osteogenic differentiation of AS fibroblasts, thereby delaying the formation of pathological new bone in AS. The possible mechanism involves the regulation of Wnt/β-catenin-related gene expression, further inhibiting the transcription of downstream target genes.
5.Mechanism of Yantiao Prescription in Treating Lipopolysaccharide-induced Acute Lung Injury Based on Arachidonic Acid Metabolic Pathways
Pengcheng LI ; Tianyang CHEN ; Rong FANG ; Anna ZHANG ; Sijia WU ; Wei LIU ; Qian WANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):101-110
ObjectiveTo clarify the anti-inflammatory and lung-protective effects of Yantiao prescription on lipopolysaccharide (LPS)-induced acute lung injury (ALI), and to explore the impact of Yantiao prescription on the metabolic pathways of arachidonic acid (AA) in vivo. MethodsThirty male C57BL/6J mice were randomly divided into the following groups based on body weight: normal group, model group, dexamethasone group (2 mg·kg-1), low-dose Yantiao prescription group (18 g·kg-1), and high-dose Yantiao prescription group (36 g·kg-1), with 6 mice in each group. The ALI mouse model was established by intraperitoneal injection of LPS. The treatment groups received oral gavage once a day for 7 consecutive days, and serum and lung tissue were collected at the end of the experiment. The content of pro-inflammatory cytokines tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) in serum was detected by enzyme-linked immunosorbent assay (ELISA). Hematoxylin-eosin (HE) staining was used to assess lung tissue pathology. The wet/dry weight ratio (W/D) and myeloperoxidase (MPO) activity in lung tissue were measured. The content of AA metabolites in serum and lung tissue was measured by liquid chromatography triple quadrupole-mass spectrometry (LC-MS/MS). ResultsCompared with the conditions in the normal group, the content of serum pro-inflammatory cytokines TNF-α, IL-1β, and IL-6 in the model group was significantly increased (P<0.01). The alveolar structure in mice was severely damaged, with markedly thickened alveolar walls and extensive inflammatory cell infiltration. The W/D ratio and MPO activity in lung tissue were significantly increased (P<0.01). The content of AA metabolites, including prostaglandin D2 (PGD2), prostaglandin E2 (PGE2), 11(S)-hydroxy-eicosatetraenoic acid [11(S)-HETE], and 5-hydroxy-eicosatetraenoic acid (5-HETE) in serum and lung tissue was significantly increased (P<0.05), while the content of 11,12-epoxyeicosatrienoic acid (11,12-EET) and 14,15-epoxyeicosatrienoic acid (14,15-EET) in serum was significantly decreased (P<0.01). Compared with the results in the model group, the content of serum pro-inflammatory cytokines TNF-α, IL-1β, and IL-6 in the dexamethasone group, low-dose Yantiao prescription group, and high-dose Yantiao prescription group was significantly reduced (P<0.05). Mild thickening of alveolar walls, scattered inflammatory cell infiltration, and relatively intact tissue structure with improved alveolar architecture were observed. The W/D ratio and MPO activity in lung tissue were significantly reduced (P<0.01). The content of AA metabolites PGD2, PGE2, 11(S)-HETE, and 5-HETE in serum from the dexamethasone group was significantly decreased (P<0.05), while the content of 14,15-EET in serum significantly increased (P<0.01), and the content of 5-HETE in lung tissue significantly decreased (P<0.01). In the low-dose and high-dose Yantiao prescription groups, the content of AA metabolites PGD2, PGE2, 11(S)-HETE, and 5-HETE in serum and lung tissue was significantly decreased (P<0.05), while the content of 11,12-EET in both serum and lung tissue was significantly increased (P<0.05). ConclusionYantiao prescription has significant protective effects against LPS-induced ALI, which are related to its regulation of AA metabolic pathways in vivo.
6.Analysis of Changes on Volatile Components of Ligusticum sinense cv. Chaxiong Rhizome Before and After Wine Processing Based on Electronic Nose and HS-GC-MS
Wen ZHANG ; Peng ZHENG ; Jiangshan ZHANG ; Xiaolin XIAO ; Zaodan WU ; Li XIN ; Wenhui GONG ; Jinlian ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):173-181
ObjectiveBy comparing the composition and content of volatile components in raw products, wine-washed products and wine-fried products of Ligusticum sinense cv. Chaxiong rhizome(LSCR), to investigate the influence of wine processing on the volatile components of LSCR, in order to provide a basis for the development of quality standards for LSCR and its processed products. MethodsElectronic nose was used to identify the odors of LSCR, wine-washed and wine-fried LSCR, and their volatile components were detected by headspace gas chromatography-mass spectrometry(HS-GC-MS), and the relative mass fractions of these components were determined by peak area normalization method. Principal component analysis(PCA) and orthogonal partial least squares-discriminant analysis(OPLS-DA) were performed on the obtained sample data by SIMCA 14.1 software, and the differential components of LSCR, wine-washed and wine-fried LSCR were screened according to the variable importance in the projection(VIP) value>1. Pearson correlation analysis was used to explore the relationship between volatile differential flavor components and electronic nose sensors. ResultsElectronic nose detection results showed that there were significant differences in the odors of LSCR, wine-washed and wine-fried LSCR, mainly reflected in the sensors S2, S4, S5, S6, S11, S12, S13. And a total of 62 compounds were identified from LSCR and its wine-processed products, among which 46, 50 and 51 compounds were identified from LSCR, wine-fried and wine-washed LSCR, respectively. There were 21 differential components between the raw products and wine-fried products, of which 10 components were increased and 11 were decreased after processing. There were 20 differential components between the raw products and wine-washed products, of which 11 constituents increased and 9 decreased after processing. There were 17 differential components between the wine-wash products and wine-fried products. Compared with the wine-washed products, the contents of 13 components in the wine-fried products increased, and the contents of 4 components decreased. The increasing trend of the content of phthalides in the wine-washed products was more obvious than that in the wine-fried products, but the content of total volatile components was higher in the wine-fried products than the wine-washed products. Correlation analysis showed that there were different degrees of correlation between the 7 differential sensors of electronic nose and 24 differential volatile components, mainly phthalides and olefins. ConclusionThe odor and the content of volatile components in LSCR changed obviously after wine processing, and n-butylphthalide, Z-butylidenephthalide and E-ligustilide can be used as the candidate differential markers of volatile components in LSCR before and after wine processing.
7.Effect of Rhei Radix et Rhizoma Before and After Steaming with Wine on Intestinal Flora and Immune Environment in Constipation Model Mice
Yaya BAI ; Rui TIAN ; Yajun SHI ; Chongbo ZHAO ; Jing SUN ; Li ZHANG ; Yonggang YAN ; Yuping TANG ; Qiao ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):192-199
ObjectiveTo study on the different therapeutic effects and potential mechanisms of Rhei Radix et Rhizoma(RH) before and after steaming with wine on constipation model mice. MethodsFifty-four male ICR mice were randomly divided into control group, model group, lactulose group(1.5 mg·kg-1), high, medium and low dose groups of RH and RH steaming with wine(PRH)(8, 4, 1 g·kg-1). Except for the control group, the constipation model was replicated by gavage of loperamide hydrochloride(6 mg·kg-1) in the other groups. After 2 weeks of modeling, each administration group was gavaged with the corresponding dose of drug solution, and the control and model groups were given an equal volume of normal saline, 1 time/d for 2 consecutive weeks. After administration, the feces were collected for 16S rRNA sequencing, the levels of gastrin(GAS), motilin(MTL), interleukin-6(IL-6), γ-interferon(IFN-γ) in the colonic tissue were detected by enzyme-linked immunosorbent assay(ELISA), the histopathological changes of colon were observed by hematoxylin-eosin(HE) staining, flow cytometry was used to detect the proportion changes of CD4+, CD8+ and regulatory T cell(Treg) in peripheral blood. ResultsCompared with the control group, the model group showed significantly decrease in fecal number in 24 h, fecal quality and fecal water rate(P<0.01), the colon was seen to have necrotic shedding of mucosal epithelium, localized intestinal glands in the lamina propria were degenerated, necrotic and atrophied, a few lymphocytes were seen to infiltrate in the necrotic area in a scattered manner, the contents of GAS and MTL, the proportions of CD4+, CD8+ and Treg were significantly reduced(P<0.01), the contents of IL-6 and IFN-γ were significantly elevated(P<0.05, P<0.01). Compared with the model group, the fecal number in 24 h, fecal quality and fecal water rate of high-dose groups of RH and PRH were significantly increased(P<0.05, P<0.01), the pathological damage of the colon was alleviated to varying degrees, the contents of GAS, MTL, IL-6 and IFN-γ were significantly regressed(P<0.05, P<0.01), and the proportions of CD4+ and CD8+ were significantly increased(P<0.01), although the proportion of Treg showed an upward trend, there was no significant difference. In addition, the results of intestinal flora showed that the number of amplicon sequence variant(ASV) and Alpha diversity were decreased in the model group compared with the control group, and there was a significant difference in Beta diversity, with a decrease in the relative abundance of Lactobacillus and an increase in the relative abundances of Bacillus and Helicobacter. Compared with the model group, the ASV number and Alpha diversity were increased in the high-dose groups of RH and PRH, and there was a trend of regression of Beta diversity to the control group, the relative abundance of Lactobacillus increased, and the relative abundances of Bacillus and Helicobacter decreased. ConclusionRH and PRH can improve dysbacteriosis, promote immune system activation, inhibit the release of inflammatory factors for enhancing the gastrointestinal function, which may be one of the potential mechanisms of their therapeutic effect on constipation.
8.Clinical Evidence Profile of Eleven Expensive Chinese Patent Medicines: A Scoping Analysis
Yajing LI ; Miaomiao LI ; Le ZHANG ; Wenya WANG ; Hui ZHAO ; Xing LIAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):227-238
ObjectiveThis study employed the scoping review method to systematically retrieve and analyze the basic information and clinical research evidence of expensive Chinese patent medicines (CPMs), aiming to provide a basis for future related research and clinical applications. MethodsEight Chinese and English databases were systematically searched for the clinical research evidence on expensive CPMs. ResultsEleven expensive CPMs (Angong Niuhuang Wan, Jufang Zhibao Wan, Suhexiang Wan, Pien Tze Huang, Niuhuang Qingxin Wan, Qinggong Shoutao Wan, Compound Realgar Natural Indigo Tablets, Xihuang Wan, Dingkun Wan, Babao Wan, and Guilingji Capsules) were selected. A total of 365 related studies were included in this review, comprising 331 clinical studies (of which 291 were randomized controlled trials), 30 systematic reviews and Meta-analyses, 3 expert consensus, and 1 rapid health technology assessment. Among the 11 CPMs, 2(Angong Niuhuang Wan and Jufang Zhibao Wan) had a daily price over 500 yuan. The famous and precious Chinese medicinal materials involved included Moschus (frequency of 7), Bovisc Alculus (7), and Borneol (5). The dosage forms included pills, capsules, oral liquid, tablets, and lozenges. The diseases treated by these CPMs mainly included malignant tumors, cerebrovascular diseases, gynecological diseases, and hepatobiliary system diseases. The sample sizes of the clinical studies were mainly concentrated within the range of 51-100 cases, and the main control form was CPM + basic Western medicine treatment vs. basic Western medicine treatment. The 331 clinical studies reported a total of 44 adverse events occurred, of which 36 were determined to be adverse reactions. ConclusionThe scarcity of raw materials leads to the high prices of expensive CPMs. The difficulty of conducting clinical research and the critical and severe cases treated lead to a lack of clinical research evidence with large sample sizes. The uneven distribution of existing studies, incomplete information on medicine package, and non-standard clinical research designs remain to be addressed in the future.
9.Immunity-inflammation Mechanism of Viral Pneumonia and Traditional Chinese Medicine Treatment Based on Theory of Healthy Qi and Pathogenic Qi
Zheyu LUAN ; Hanxiao WANG ; Xin PENG ; Yihao ZHANG ; Yunhui LI ; Jihong FENG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):239-247
Viral pneumonia is an infectious disease caused by virus invading the lung parenchyma and interstitial tissue and causing lung inflammation, with the incidence rising year by year. Traditional Chinese medicine (TCM) can treat viral pneumonia in a multi-component, multi-target, and holistic manner by targeting the core pathogenesis of pneumonia caused by different respiratory viruses, demonstrating minimal side effects and significant advantages. According to the theory of healthy Qi and pathogenic Qi in TCM, the struggle between healthy Qi and pathogenic Qi and the imbalance between immunity and inflammation run through the entire process of viral pneumonia, and the immunity-inflammation status at different stages of the disease reflects different relationships between healthy Qi and pathogenic Qi. Immune dysfunction leads to the deficiency of healthy Qi, causing viral infections. The struggle between healthy Qi and pathogenic Qi causes immunity-inflammation imbalance, leading to the onset of viral pneumonia. Inflammatory damage causes persistent accumulation of phlegm and stasis, leading to the progression of viral pneumonia. The cytokine storm causes immunodepletion, leading to the excess of pathogenic Qi and diminution of healthy Qi and the deterioration of viral pneumonia. After the recovery from viral pneumonia, there is a long-term imbalance between immunity and micro-inflammation, which results in healthy Qi deficiency and pathogenic Qi lingering. Healthy Qi deficiency and pathogenic Qi excess act as common core causes of pneumonia caused by different respiratory viruses. Clinical treatment should emphasize both replenishing healthy Qi and eliminating pathogenic Qi, helping to restore the balance between healthy Qi and pathogenic Qi as well as between immunity and inflammation, thus promoting the recovery of patients from viral pneumonia. According to the TCM theory of healthy Qi and pathogenic Qi, this article summarizes the immunity-inflammation mechanisms at different stages of viral pneumonia, and explores the application of the method of replenishing healthy Qi and eliminating pathogenic Qi in viral pneumonia. The aim is to probe into the scientific connotation of the TCM theory of healthy Qi and pathogenic Qi in viral pneumonia and provide ideas for the clinical application of the method of replenishing healthy Qi and eliminating pathogenic Qi to assist in the treatment of viral pneumonia.
10.Pharmacological Effect of Berberine on Alzheimer's Disease: A Review
Xuejing WANG ; Guangcheng ZHONG ; Shuting LI ; Qian ZHANG ; Bojie LUO ; Qi WANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):286-294
Alzheimer's disease (AD), a degenerative disease of the central nervous system, is characterized by progressive degradation of learning, memory, and cognitive functions. Currently, few drugs are available for treating AD, and their effects are limited. Berberine (BBR) is a natural isoquinoline (quaternary ammonium-like) with a wide range of pharmacological effects. Studies have proven that BBR has good potential in the treatment of AD. Specifically, BBR can inhibit the generation, aggregation, and neurotoxicity of amyloid-β and the hyperphosphorylation of Tau protein, promote the clearance of phosphorylated Tau protein, reduce the cholinesterase activity, neuroinflammation, and oxidative stress, regulate neuronal apoptosis, improve the mitochondrial function and glucose and lipid metabolism, suppress the monoamine oxidase activity, and modulate gut microbiota. In addition, researchers have ameliorated the low bioavailability of BBR. Probing into the potential targets is hoped to provide a reference for further research on the prevention and treatment of AD by BBR.

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