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Epimedin B exhibits pigmentation by increasing tyrosinase family proteins expression,activity,and stability

Journal of Pharmaceutical Analysis 2024年第1期14卷 69-85页

作者： Chen Hong Yifan Zhang Lili Yang Haoyang Xu Kang Cheng Zhi Lv Kaixian Chen Yiming Li Huali Wu Department of TCM Chemistry School of PharmacyShanghai University of Traditional Chinese MedicineShanghai200000China Department of Dermatology Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese MedicineShanghai200000China International Education College Shanghai University of Traditional Chinese MedicineShanghai200000China Shanghai Inoherb Cosmetics Co. Ltd.Shanghai200000China

Epimedin B(EB)is one of the main flavonoid ingredients present in Epimedium brevicornum Maxim.,a traditional herb widely used in *** previous study showed that EB was a stronger inducer of melanogenesis and an activator of tyrosinase(TYR).However,the role of EB in melanogenesis and the mechanism underlying the regulation remain ***,as an extension to our previous investigation,we provide comprehensive evidence of EB-induced pigmentation in vivo and in vitro and elucidate the melanogenesis mechanism by assessing its effects on the TYR family of proteins(TYRs)in terms of expression,activity,and *** results showed that EB increased TYRs expression through microphthalmia-associated transcription factor-mediated p-Akt(referred to as protein kinase B(PKB))/glycogen synthase kinase 3β(GSK3β)/β-catenin,p-p70 S6 kinase cascades,and protein 38(p38)/mitogen-activated protein(MAP)kinase(MAPK)and extracellular regulated protein kinases(ERK)/MAPK pathways,after which EB increased the number of melanosomes and promoted their maturation for melanogenesis in melanoma cells and human primary melanocytes/skin ***,EB exerted repigmentation by stimulating TYR activity in hydroquinone-and N-phenylthiourea-induced TYR inhibitive models,including melanoma cells,zebrafish,and ***,EB ameliorated monobenzone-induced depigmentation in vitro and in vivo through the enhancement of TYRs stability by inhibiting TYR misfolding,TYR-related protein 1 formation,and retention in the endoplasmic reticulum and then by downregulating the ubiquitination and proteolysis *** data conclude that EB can target TYRs and alter their expression,activity,and stability,thus stimulating their pigmentation function,which might provide a novel rational strategy for hypopigmentation treatment in the pharmaceutical and cosmetic industries.

关键词： Epimedin B Melanosome Tyrosinase Melanogenesis

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Caveolin‑1 is critical for hepatic iron storage capacity in the development of nonalcoholic fatty liver disease

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Military Medical Research 2024年第2期11卷 206-227页

作者： Guang-Hui Deng Chao-Feng Wu Yun-Jia Li Hao Shi Wei-Chao Zhong Mu-Keng Hong Jun-Jie Li Jia-Min Zhao Chang Liu Meng-Chen Qin Zhi-Yun Zeng Wei-Min Zhang Ken Kin Lam Yung Zhi-Ping Lv Lei Gao Department of Gastroenterology Integrated Hospital of Traditional Chinese MedicineSouthern Medical UniversityGuangzhou 510315China school of traditional Chinese medicine Southern Medical UniversityGuangzhou 510515China Department of Hepatology Cancer CenterIntegrated Hospital of Traditional Chinese MedicineSouthern Medical UniversityGuangzhou 510315China Shenzhen traditional Chinese medicine Hospital Shenzhen 518033GuangdongChina Department of Biology Hong Kong Baptist UniversityKowloon TongKowloonHong Kong SAR 999077China

Background:Nonalcoholic fatty liver disease(NAFLD)is associated with disordered lipid and iron *** previous study has substantiated the pivotal role of Caveolin-1(Cav-1)in protecting hepatocytes and mediating iron metabolism in the *** study aimed to explore the specific mechanisms underlying the regulation of iron metabolism by Cav-1 in ***:Hepatocyte-specific Cav-1 overexpression mice and knockout mice were used in this ***-1-knockdown of RAW264.7 cells and mouse primary hepatocytes were performed to verify the changes in ***,a high-fat diet and palmitic acid plus oleic acid treatment were utilized to construct a NAFLD model in vivo and in vitro,respectively,while a high-iron diet was used to construct an in vivo iron overload ***,iron concentration,the expression of Cav-1 and iron metabolism-related proteins in liver tissue or serum were detected using iron assay kit,Prussian blue staining,Western blotting,immunofluorescence staining,immunohistochemical staining and *** related indicators of lipid metabolism and oxidative stress were evaluated by the corresponding reagent kit and ***:Significant disorder of lipid and iron metabolism occurred in *** expression of Cav-1 was decreased in NAFLD hepatocytes(P<0.05),accompanied by iron metabolism ***-1 enhanced the iron storage capacity of hepatocytes by activating the ferritin light chain/ferritin heavy chain pathway in NAFLD,subsequently alleviating the oxidative stress induced by excess ferrous ions in the ***,CD68^(+) CD163^(+) macrophages expressing Cav-1 were found to accelerate iron accumulation in the liver,which was contrary to the effect of Cav-1 in *** correlations were also observed between the serum Cav-1 concentration and the serum iron-related protein levels in NAFLD patients and healthy volunteers(P<0.05).Conclusions:These findings confirm that Cav-1 is an essential target protein that reg

关键词： Caveolin-1 Nonalcoholic fatty liver disease Iron metabolism Ferritin Oxidative stress

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Cholecystokinin and cholecystokinin-A receptor: An attractive treatment strategy for biliary dyskinesia?

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World Journal of Gastroenterology 2024年第3期30卷 283-285页

作者： Jun Chang Yan Liu Ting-Can Jiang Lan Zhao Jian-Wei Liu Tianjin Institute of Acupuncture and Moxibustion The First Teaching Hospital of Tianjin University of Traditional Chinese MedicineTianjin 300381China Department of Gastroenterology Tianjin Hospital of Integrated Traditional Chinese and Western Medicine Nankai HospitalTianjin 300100China State Key Laboratory of Component-Based Chinese medicine Tianjin University of Traditional Chinese MedicineTianjin 301617China school of Integrative medicine Tianjin University of Traditional Chinese MedicineTianjin 301617China

Biliary dyskinesia is a relatively common gastrointestinal disease that is increas-ing in incidence as living standards ***,its underlying pathogenesis remains unclear,hindering the development of therapeutic ***,“Expression and functional study of cholecystokinin-A receptors on the interstitial Cajal-like cells of the guinea pig common bile duct”demonstrated that cholecystokinin(CCK)regulates the contractile function of the common bile duct through interaction with the CCK-A receptor in interstitial Cajal-like cells,contributing to improving the academic understanding of biliary tract dynamics and providing emerging directions for the pathogenesis and clinical management of biliary *** letter provides a brief overview of the role of CCK and CCK-A receptors in biliary dyskinesia from the perspective of animal experiments and clinical studies,and discusses prospects and challenges for the clinical application of CCK and CCK-A receptors as potential therapeutic targets.

关键词： Cholecystokinin Cholecystokinin-A receptor Biliary dyskinesia Interstitial Cajal-like cell Therapeutic target

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Vitamin D and selenium for type 2 diabetes mellitus with Hashimoto’s thyroiditis:Dosage and duration insights

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World Journal of Diabetes 2024年第8期15卷 1824-1828页

作者： Yun-Feng Yu Xue-Li Shangguan Dan-Ni Tan Li-Na Qin Rong Yu school of traditional Chinese medicine Hunan University of Chinese MedicineChangsha 410208Hunan ProvinceChina

This letter discusses the publication by Feng et ***,selenium,and vitamin D are closely associated with thyroid hormone production in humans;however,the efficacy of selenium and vitamin D supplementation for type 2 diabetes mellitus(T2DM)patients with Hashimoto’s thyroiditis(HT)remains *** the retrospective study we discuss herein,the authors highlighted significant improvements in thyroid function,thyroid antibodies,blood glucose,and blood lipid in T2DM patients with HT following addition of vitamin D and selenium to their antidiabetic regimens,underscoring the value of these *** team is currently engaged in research exploring the relationship between micronutrients and HT,and we have obtained invaluable insights from the aforementioned *** on this research and current literature,we recommend a regimen of 4000 IU/day of vitamin D and 100-200μg/day of selenium for over three months to six months for patients with HT,particularly for those with concurrent T2DM.

关键词： Vitamin D Selenium Type 2 diabetes mellitus Hashimoto’s thyroiditis Dosage Duration

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Genes & Diseases 2024年第1期11卷 367-381页

作者： Yunchao Zhang Jiayu Tang Cheng Wang Qinxiu Zhang Anqi Zeng Linjiang Song school of Medical and Life Sciences Chengdu University of Traditional Chinese MedicineChengduSichuan 611137China Institute of Translational Pharmacology and Clinical Application Sichuan Academy of Chinese Medical ScienceChengduSichuan 610041China school of Pharmacy Chengdu University of Traditional Chinese MedicineChengduSichuan 611137China

The incidence and mortality rates of cancer are increasing every year worldwide but the survival rate of cancer patients is still ***,it is necessary to further elucidate the molecular mechanisms involved in tumor development and drug resis-tance to improve cancer cure or survival *** recent years,autophagy has become a hot topic in the field of oncology research,which plays a double-edged role in tumorigenesis,pro-gression,and drug ***,long non-coding RNA(lncRNA)has also been shown to regulate autophagy,and the two-sided nature of autophagy determines the dual regulatory role of autophagy-related IncRNAs(ARlncRNAs).Therefore,ARlncRNAs can be effective ther-apeutic targets for various ***,the high abundance and stability of ARlncR-NAs in tumor tissues make them promising *** this review,we summarized the roles and mechanisms of ARlncRNAs in tumor cell proliferation,apoptosis,migration,invasion,drug resistance,angiogenesis,radiation resistance,and immune *** addition,we described the clinical significance of these ARlncRNAs,including as biomarkers/therapeutic targets and their association with clinical drugs.

关键词： Apoptosis Autophagy Biomarker Cancer Drug resistance LncRNA

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Licorice:comprehensive review of its chemical composition,pharmacodynamics,and medicinal value

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Acupuncture and Herbal medicine 2024年第1期4卷 136-150页

作者： Lingling Dang Yajing Jin Ye Yuan Rui Shao Yu Wang school of Integrative medicine Tianjin University of Traditional Chinese MedicineTianjinChina State Key Laboratory of Component-Based Chinese medicine Tianjin University of Traditional Chinese MedicineTianjinChina

Licorice,a perennial herb of Leguminosa,is one of the oldest and most widely used herbal medicines *** distinct sweet flavor and rich medicinal value make it an integral component of traditional Chinese medicine(TCM)formulations,which continue to be widely *** main chemical constituents of licorice include triterpenoid saponins,flavonoids,and *** and clinical studies have demonstrated that various extracts and pure compounds derived from licorice exhibit a wide range of pharmacological properties including anti-inflammatory,antioxidant,antimicrobial,antiviral,antitumor,immune-regulatory,and neuroprotective *** bioactive constituents of licorice offer therapeutic benefits for cardiovascular and cerebrovascular diseases,diabetes mellitus,and liver *** comprehensive review discusses the primary chemical constituents of licorice and their pharmacological activities,describes in vivo and in vitro models employed for studying licorice,and its potential targets and mechanisms of ***,we discuss the toxicological profile,side effects,dosage recommendations,and clinical applications of *** review aims to establish a foundation for further research on the safe and effective utilization of licorice while facilitating an in-depth exploration of its properties and fostering the development of novel therapeutic agents.

关键词： Active ingredients Clinical application Licorice Pharmacological activity

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Acupuncture reduces sedative and anaesthetic consumption and improves pain tolerance in patients undergoing colonoscopy: aMeta-analysis

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Journal of traditional Chinese medicine 2024年

作者： WANG Bingyu JIN Fangfang GAO Jiawei YANG Liuxin ZHANG Yali YUAN Xingxing ZHANG Yang school of Graduate Studies，Heilongjiang University of Chinese medicine Department of Gastroenterology， Heilongjiang Academy of traditional Chinese medicine Department of Zhang Yali Senior traditional Chinese medicine Expert Studio， Heilongjiang Academy of traditional Chinese medicine Department of Gastroenterology， the First Affiliated Hospital of Heilongjiang University of Chinese medicine

OBJECTIVE: To evaluate the effects of acupuncture anesthesia on the consumption of sedatives and anesthetics， pain， and time consumption in patients undergoing colonoscopy， thus providing evidence that acupuncture anesthesia should be extended to endoscopists and ***: Four English and four Chinese databases were searched for randomised controlled trials of acupuncture anaesthesia in patients undergoing colonoscopy， published from database inception to 1 March 2023. Outcomes were consumption of sedatives and anaesthetics， pain tolerance， visual analog scale(VAS) score， the meantime consumption of examination， satisfaction， and adverse reactions. RESULTS: Thirty-one randomized controlled trials with a total of 4790 participants were included. Results showed that acupuncture anaesthesia significantly reduced consumption of sedatives and anaesthetics[9 studies， n = 944， standardized mean difference (SMD)= -0.82， 95% CI(-1.31， -0.33)， P = 0.001]， VAS score [9 studies， n = 1790， mean difference (MD)= -1.13， 95% CI(-1.70， -0.57)， P＜0.001]， meantime consumption [21 studies， n= 3799， MD = -2.09， 95% CI(-3.15， -1.03)， P＜0.001]and adverse reactions of colonoscopy [7 studies， n = 738， odds ratio (OR) = 0.17， 95% CI (0.10， 0.28)， P＜0.001]. Acupuncture also significantly improved pain tolerance [14 studies， n= 1661， OR = 7.05， 95% CI(3.79， 13.12)， P＜0.001]， while no beneficial effects were found for satisfaction[7 studies， n = 843， SMD = 0.02， 95% CI(-0.38， 0.43)， P = 0.91]. CONCLUSION: Acupuncture has beneficial effects on patients undergoing colonoscopy， particularly in reducing consumption of sedatives and anaesthetics， alleviating pain， shorteningthe time consumption of examination and preventing adverse events. As an alternative， effective， inexpensive， and accessible approach， acupuncture anaesthesia should be extended to endoscopists and anaesthesiologists.

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Granulomatous mastitis in a 50-year-old male:A case report and review of literature

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World Journal of Clinical Cases 2024年第2期12卷 451-459页

作者： Le-Yin Cui Chen-Ping Sun Yun-Yuan Li Sheng Liu Department of Breast Surgery Longhua Hospital Shanghai University of Traditional Chinese MedicineShanghai 200032China Department of Pathology Longhua Hospital Shanghai University of Traditional Chinese MedicineShanghai 200032China Graduate school Shanghai University of Traditional Chinese MedicineShanghai 201203China

BACKGROUND Granulomatous mastitis(GM)an inflammatory disease of the breast that usually affects women of childbearing age,occurs very rarely in *** SUMMARY We present a case study of a 50-year-old male patient with *** patient developed a breast lump following the cleaning of a previously embedded dirtfilled *** an initial improvement was noted with antibiotic therapy,a recurrence occurred a year later,showing resistance to the previously effective ***,the lesion was *** histopathological examination confirmed the diagnosis of *** GM should be considered a possible diagnosis of male breast masses.

关键词： Granulomatous mastitis Male Pathology Differential diagnosis Case report

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Runx2 regulates peripheral nerve regeneration to promote Schwann cell migration and re-myelination

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Neural Regeneration Research 2024年第7期19卷 1575-1583页

作者： Rong Hu Xinpeng Dun Lolita Singh Matthew C.Banton school of traditional Chinese medicine Department of Traditional Chinese MedicineNanfang HospitalSouthern Medical UniversityGuangzhouGuangdong ProvinceChina The Co-innovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina Faculty of Health University of PlymouthPlymouthUK

Runx2 is a major regulator of osteoblast differentiation and function;however,the role of Runx2 in peripheral nerve repair is unclea ***,we analyzed Runx2expression following injury and found that it was specifically up-regulated in Schwann ***,using Schwann cell-specific Runx2 knocko ut mice,we studied peripheral nerve development and regeneration and found that multiple steps in the regeneration process following sciatic nerve injury were *** observed in Runx2 knoc kout mice include increased prolife ration of Schwann cells,impaired Schwann cell migration and axonal regrowth,reduced re-myelination of axo ns,and a block in macrophage clearance in the late stage of *** together,our findings indicate that Runx2 is a key regulator of Schwann cell plasticity,and therefore peripheral nerve ***,our study shows that Runx2 plays a major role in Schwann cell migration,re-myelination,and peripheral nerve functional recovery following injury.

关键词： macrophage clearance migration peripheral nerve injury regeneration re-myelination Runx2 Schwann cells

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Multifunctional nano-herb based on tumor microenvironment for enhanced tumor therapy of gambogic acid

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Chinese Chemical Letters 2024年第5期35卷 307-313页

作者： Fengyun Li Zerong Pei Shuting Chen Gen li Mengyang Liu Liqin Ding Jingbo Liu Feng Qiu school of Chinese Materia Medica Tianjin University of Traditional Chinese MedicineTianjin 301617China College of Horticulture and Landscape Architecture Tianjin Agricultural UniversityTianjin 300384China State Key Laboratory of Component-based Chinese medicine Tianjin University of Traditional Chinese MedicineTianjin 301617China

Multifunctional drug delivery systems(DDSs)have shown great prospects in overcoming the heterogeneous barrier of delivery drugs to the complex tumor microenvironment(TME).In this study,multifunctional AS/Ge-pNAB microgels with dual-active targeting,triple environment responsiveness,and fluorescence imaging capability were prepared through a straightforward *** was aimed to improve the antitumor therapeutic application of gambogic acid(GA)based on the biological characteristics of *** microgels have a uniform double-layer structure with aptamer in the outer layer which helps in recognizing receptors on the tumor *** GA loaded nano-herb exhibited environment-responsive drug release profiles under acidic pH,reductant and high *** nano-herb significantly improved the accumulation of GA in tumor sites through the synergistic combination of the enhanced permeability and retention effect and dual-ligand mediated ***,it accelerated intracellular drug release and killed tumor ***,the nano-herb had specific therapeutic effects on the tumor in vitro and in vivo as they remarkably inhibited tumor growth while depicting optimal biosafety and lower levels of off-target ***,these findings demonstrate the great potential of the multifunctional AS/Ge-pNAB microgels for precisely targeted GA delivery and open a new avenue for the facile preparation of multifunctional DDSs.

关键词： Tumor microenvironment Microgels Gambogic acid Dual-active targeting Triple environment responsiveness Silver nanoclusters

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