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Sarcopenia in pancreatic cancer–effects on surgical outcomes and chemotherapy

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World Journal of Gastrointestinal Oncology 2019年第7期11卷 527-537页

作者： Miu Yee chan Kenneth siu Ho Chok Department of Surgery Queen Mary Hospital 102 Pokfulam Road Hong Kong China Department of Surgery and State Key Laboratory for Liver Research The University of Hong Kong Hong Kong China

Sarcopenia is found in up to 65% of pancreatic cancer patients. The definition and diagnostic methods for sarcopenia have changed over the years, and the measurement of skeletal muscle mass with cross-sectional imaging has become the most popular way of assessment, although the parameters measured vary among different studies. It is still debatable that there is an association between sarcopenia and postoperative pancreatic fistula, but most studies showed a higher risk in patients with sarcopenic obesity. Long-term survival is worse in sarcopenic patients, as shown by meta-analysis. Sarcopenia is also associated with decreased survival and higher toxicity in patients receiving chemotherapy, and chemotherapy also tends to potentiate sarcopenia. Treatment for sarcopenia still remains an area for research, although oral supplements, nutritional modifications and exercise training have been shown to improve sarcopenia.

关键词： Sarcopenia Pancreatic cancer Clinical outcomes Surgical outcomes Chemotherapy Radiotherapy

Establishment of human cerebral organoid systems to model early neural development and assess the central neurotoxicity of environmental toxins

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Neural Regeneration Research 2025年第1期20卷 242-252页

作者： Daiyu Hu Yuanqing Cao Chenglin Cai Guangming Wang Min Zhou Luying Peng Yantao Fan Qiong lai Zhengliang Gao Fundamental Research Center Shanghai Yangzhi Rehabilitation Hospital(Shanghai Sunshine Rehabilitation Center)School of MedicineTongji UniversityShanghaiChina Institute of Geriatrics(Shanghai University) Affiliated Nantong Hospital of Shanghai University(The Sixth People’s Hospital of Nantong)Shanghai University School of MedicineNantongJiangsu ProvinceChina Shanghai Engineering Research Center of Organ Repair Shanghai University School of MedicineShanghaiChina Key Laboratory of Arrhythmias Ministry of EducationShanghai East HospitalSchool of MedicineTongji UniversityShanghaiChina

Human brain development is a complex process,and animal models often have significant *** address this,researchers have developed pluripotent stem cell-derived three-dimensional structures,known as brain-like organoids,to more accurately model early human brain development and *** enable more consistent and intuitive reproduction of early brain development,in this study,we incorporated forebrain organoid culture technology into the traditional unguided method of brain organoid *** involved embedding organoids in matrigel for only 7 days during the rapid expansion phase of the neural epithelium and then removing them from the matrigel for further cultivation,resulting in a new type of human brain organoid *** cerebral organoid system replicated the temporospatial characteristics of early human brain development,including neuroepithelium derivation,neural progenitor cell production and maintenance,neuron differentiation and migration,and cortical layer patterning and formation,providing more consistent and reproducible organoids for developmental modeling and toxicology *** a proof of concept,we applied the heavy metal cadmium to this newly improved organoid system to test whether it could be used to evaluate the neurotoxicity of environmental *** organoids exposed to cadmium for 7 or 14 days manifested severe damage and abnormalities in their neurodevelopmental patterns,including bursts of cortical cell death and premature *** exposure caused progressive depletion of neural progenitor cells and loss of organoid integrity,accompanied by compensatory cell proliferation at ectopic *** convenience,flexibility,and controllability of this newly developed organoid platform make it a powerful and affordable alternative to animal models for use in neurodevelopmental,neurological,and neurotoxicological studies.

关键词： cadmium cell death cell proliferation cortical development environmental toxins neural progenitor cells neurogenesis neurotoxicology organoids stem cells

Phenolic constituents and anticancer properties of Morus alba(white mulberry) leaves

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Journal of Integrative Medicine 2020年第3期18卷 189-195页

作者： Eric Wei Chiang chan siu Kuin Wong Joseph Tangah Tomomi Inoue Hung Tuck chan Faculty of Applied Sciences UCSI University56000 CherasKuala LumpurMalaysia School of Foundation Studies Xiamen University Malaysia43900 SepangSelangorMalaysia Forest Research Centre Sabah Forestry Department90009 SandakanSabahMalaysia Centre for Environmental Biology and Ecosystem Studies National Institute for Environmental Studies(NIES)OnogawaTsukuba 305-0053Japan Secretariat of International Society for Mangrove Ecosystems(ISME) Faculty of AgricultureUniversity of the RyukyusOkinawa 903-0129Japan

Flavonoids are by far the most dominant class of phenolic compounds isolated from Morus alba leaves(MAL). Other classes of compounds are benzofurans, phenolic acids, alkaloids, coumarins, chalcones and stilbenes. Major flavonoids are kuwanons, moracinflavans, moragrols and morkotins. Other major compounds include moracins(benzofurans), caffeoylquinic acids(phenolic acids) and morachalcones(chalcones). Research on the anticancer properties of MAL entailed in vitro and in vivo cytotoxicity of extracts or isolated compounds. Flavonoids, benzofurans, chalcones and alkaloids are classes of compounds from MAL that have been found to be cytotoxic towards human cancer cell lines. Further studies on the phytochemistry and anticancer of MAL are suggested. Sources of information were Pub Med,Pub Med Central, Science Direct, Google, Google Scholar, J-Stage, Pub Chem and China National Knowledge Infrastructure.

关键词： Flavonoids Benzofurans Cytotoxic Moracins Morachalcones Chalcomoracin

An overview of Pu-erh tea and its health-promoting effects of lipid-lowering and anti-obesity

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Journal of Chinese Pharmaceutical Sciences 2021年第8期30卷 623-633页

作者： Eric Wei Chiang chan siu Kuin Wong Hung Tuck chan Faculty of Applied Sciences UCSI University56000 Cher asKuala LumpurMalaysia School of Foundation Studies Xiamen University MalaysiaBandar Sunsuria43900 SepangSelangorMalaysia Secretariat of International Society for Mangrove Ecosystems(ISME) Faculty of AgricultureUniversity of the RyukyusOkinawa 903-0129Japan

As a dark tea,Pu-erh tea(PET)is produced from sun-dried leaves of Camellia sinensis *** mainly in Yunnan Province of *** microorganisms are involved in the fermentation of *** them,Aspergillus niger is most *** is believed that the longer the preservation period,the better is the quality and taste of PET,which is commercially available as loose,compressed or instant tea *** components of PET include flavones,flavanols,flavonols,phenolic acids,alkaloids and *** this overview,the lipid-lowering and anti-obesity effects of PET were discussed based on animal models and human trials,and our study provided some insights into possible mechanisms of bioactive compounds,such as theabrownin,catechins,lovastatin and gallic *** bioactivities of PET and some information on Fuzhuan brick tea were also *** of information cited were from Google Scholar,Pub Med,Pub Med Central,Science Direct,J-Stage,Pub Chem,Directory of Open Access Journals(DOAJ),and China National Knowledge Infrastructure(CNKI).

关键词： Pu-erh tea Fuzhuan brick tea Fermentation Lipid-lowering Anti-obesity

Alpinia zerumbet, a ginger plant with a multitude of medicinal properties： An update on its research findings

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Journal of Chinese Pharmaceutical Sciences 2017年第11期26卷 775-788页

作者： Eric Wei Chiang chan siu Kuin Wong Hung Tuck chan Faculty of Applied Sciences UCSI University Cheras 56000 Kuala Lumpur Malaysia School of Science Monash University Sunway Petaling Jaya 46150 Selangor Malaysia Secretariat International Society for Mangrove Ecosystems c/o Faculty of Agriculture University of the Ryukyus 903-0129 Okinawa Japan

In this review, the botany and uses of Alpinia zerumbet(yan shan jiang) are described, and the current knowledge of its phytochemistry, pharmacological properties, and clinical trials is summarized. An important ginger crop in East Asia, A. zerumbet has many uses, both medicinal and non-medicinal. Leaves are used to produce essential oils and herbal teas. Rhizomes are consumed as spices, and stem fibers are made into paper, fabrics, and handicrafts. In Brazil, tea from A. zerumbet leaves is believed to have hypotensive, diuretic, and anti-ulcerogenic properties. This species possesses many medicinal properties due to its chemical constituents, including flavonoids, phenolic acids, phenylpropanoids, kava pyrones, sterols, and terpenoids. Extracts of A. zerumbet display antioxidant, antimicrobial, insecticidal, anthelmintic, tyrosinase and melanogenesis inhibitory, anti-atherogenic, anti-aging, anti-glycation, integrase and neuraminidase inhibitory, lifespan prolongation, hair growth promotion, anticancer, antidepressant, anxiolytic, anti-obesity, analgesic, anti-inflammatory, hypolipidemic, anti-ulcerogenic, anti-platelet, osteoblastic, osteogenic, thrombolytic, and cardiac arrhythmogenic activities. Essential oils of A. zerumbet leaves have antimicrobial, larvicidal, antinociceptive, hypotensive, vasorelaxant, myorelaxant, antispasmodic, antidepressant, anxiolytic, anti-neuraminidase, anti-atherogenic, anti-aging, anti-melanogenic, anti-tyrosinase, cytoprotective, cardiodepressive, antipsychotic, analgesic, anti-inflammatory, and tissue healing activities. Clinical trials conducted in Brazil showed that extracts of A. zerumbet have hypotensive and diuretic effects whereas topical application of the essential oil has positive therapeutic effects on patients with fibromyalgia. Spanning two continents of Asia and South America, A. zerumbet is truly a multi-purpose ginger plant with promising medicinal properties.

关键词： Alpinia zerumbet Shell ginger Phytochemistry Pharmacology Clinical trials

An Overview of Chemical Constituents, Medicinal Properties, Clinical Trials, and Patents of Twigs of Morus alba(Ramulus Mori)

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World Journal of Traditional Chinese Medicine 2024年第2期10卷 149-158页

作者： Eric Wei Chiang chan Hung Tuck chan siu Kuin Wong Department of Food Science and Nutrition Faculty of Applied SciencesUCSI UniversityCherasKuala LumpurMalaysia Secretariat of International Society for Mangrove Ecosystems Faculty of AgricultureUniversity of the RyukyusOkinawaJapan School of Foundation Studies Xiamen University MalaysiaSepangSelangorMalaysia

The rich chemical constituents and diverse pharmacological properties of Ramulus Mori(RM) or the twig of Morus alba with evidence supported by clinical trials and patents are reviewed. Known as Sangzhi in Chinese, RM is widely used in traditional Chinese medicine to treat gout, arthritis, and rheumatism. Chemical constituents include flavonoids, benzofurans, alkaloids, stilbenes, chalcones, phenolic acids, and coumarins. Bioactivities of RM include antidiabetic, anti-obesity, anti-inflammatory, antityrosinase, neuroprotective, antioxidant, hepatoprotective, cytoprotective, renoprotective, antihyperuricemic, analgesic, antifungal, DNA protective, anticancer, gastroprotective, cardioprotective, anti-hair aging, anti-arthritic, and antiplatelet aggregation properties. The most active compounds from RM are mulberrin, oxyresveratrol, and mulberroside A. All four clinical trials on RM are focused on the treatment of diabetes. The patents entail using RM extracts as cosmetics for skin whitening and as agents for hypoglycemia. Topics for further research on RM are suggested.

关键词： Clinical trials mulberrin mulberroside A oxyresveratrol patents Sangzhi

Genipin and geniposide from Gardenia jasminoides:An overview of their anti-cancer and other pharmacological properties

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Journal of Chinese Pharmaceutical Sciences 2022年第1期31卷 1-12页

作者： Eric Wei Chiang chan siu Kuin Wong Hung Tuck chan Faculty of Applied Sciences UCSI University56000 CherasKuala LumpurMalaysia School of Foundation Studies Xiamen University MalaysiaBandar Sunsuria43900 SepangSelangorMalaysia Secretariat of International Society for Mangrove Ecosystems(ISME) Faculty of AgricultureUniversity of the RyukyusOkinawa 903-0129Japan

Genipin and geniposide are iridoids from the fruits of Gardenia *** compounds have a methyl acetate(-COOCH_(3))group at C4 and a hydroxyl(-OH)group at *** an iridoid glucoside with a glucose moiety at C1,geniposide is also known as genipin-1-O-β-*** the glucose moiety,genipin is an iridoid and the aglycone of ***-OH group at C1 of genipin is responsible for its cytotoxic *** without the-OH group at C1 lacks the cytotoxic *** are more publications on the anti-cancer properties of genipin than *** have reported the potentiation of genipin when used in combination with anti-cancer *** anti-cancer properties of geniposide have been investigated using human intestinal microflora that hydrolyzes geniposide to *** genipin and geniposide exert antiproliferative and apoptotic activities via different molecular targets and *** pharmacological properties of genipin and geniposide include antidepressant,antidiabetic,anti-inflammatory,anti-obesity,anti-thrombotic,hepatoprotective,and neuroprotective *** research on genipin and geniposide is suggested.

关键词： Iridoid Iridoid glucoside Anti-cancer Cytotoxicity

Matrine, oxymatrine, and compound Kushen injection from the roots of Sophora flavescens: an overview of their anticancer activities

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Journal of Chinese Pharmaceutical Sciences 2022年第5期31卷 321-333页

作者： Eric Wei Chiang chan siu Kuin Wong Hung Tuck chan Faculty of Applied Sciences UCSI University56000 CherasKuala LumpurMalaysia School of Foundation Studies Xiamen University MalaysiaBandar Sunsuria43900 SepangSelangorMalaysia Secretariat of International Society for Mangrove Ecosystems(ISME) Faculty of AgricultureUniversity of the RyukyusOkinawa 903-0129Japan

In the present review,we updated current information on the chemistry,contents,and anticancer properties of matrine(MT),oxymatrine(OMT),and compound Kushen injection(CKI).The anticancer properties were focused on lung,breast,and liver cancer cells because they are most *** of information were from Google,Google Scholar,PubMed,PubMed Central,Science Direct,PubChem,J-Stage,Directory of Open Access Journals(DOAJ),and China National Knowledge Infrastructure(CNKI).Reference was also made on botanical websites,such as Flora of China and World Flora *** and OMT are dominant quinolizidine alkaloids from the roots of Sophora flavescens(Kushen)of the family *** lung,breast,and liver cancer cells,MT and OMT inhibit cell proliferation;induce cell cycle arrest,apoptosis,and autophagy;restrict angiogenesis;and inhibit cell metastasis,invasion,and *** processes involve various molecular targets and signaling *** is a traditional Chinese medicine(TCM)composed of root extracts of *** and Smilax glabra(Baituling)of the family *** MT and OMT as major components,CKI has been approved for the treatment of cancer in China more than 20 years *** recent years,systematic reviews and meta-analysis have been undertaken to evaluate the anticancer effects of *** CKI is used alone and in combination with chemotherapy of western medicine,there is much to be learned concerning their interactions besides their individual and integrated *** perspectives of MT,OMT,and CKI are discussed,and their suggestions for future research are provided.

关键词： injection invasion roots

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Statistical extremes and peak factors in wind-induced vibration of tall buildings

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2012年第1期13卷 18-32页

作者： Ming-feng HUANG Chun-man chan Wen-juan LOU Kenny Chung-siu KWOK Institute of Structural Engineering Zhejiang University Hangzhou 310058 China Department of Civil and Environmental Engineering Hong Kong University of Science and Technology Hong Kong School of Engineering University of Western Sydney NSW Australia

In the structural design of tall buildings, peak factors have been widely used to predict mean extreme responses of tall buildings under wind excitations. Vanmarcke＇s peak factor is directly related to an explicit measure of structural reliability against a Gaussian response process. We review the use of this factor for time-variant reliability design by comparing it to the conven- tional Davenport＇s peak factor. Based on the asymptotic theory of statistical extremes, a new closed-form peak factor, the so-called Gamma peak factor, can be obtained for a non-Gaussian resultant response characterized by a Rayleigh distribution process. Using the Gamma peak factor, a combined peak factor method was developed for predicting the expected maximum resultant responses of a building undergoing lateral-torsional vibration. The effects of the standard deviation ratio of two sway components and the inter-component correlation on the evaluation of peak resultant response were also investigated. Utilizing wind tunnel data derived from synchronous multi-pressure measurements, we carried out a wind-induced time history response analysis of the Common- wealth Advisory Aeronautical Research Council （CAARC） standard tall building to validate the applicability of the Gamma peak factor to the prediction of the peak resultant acceleration. Results from the building example indicated that the use of the Gamma peak factor enables accurate predictions to be made of the mean extreme resultant acceleration responses for dynamic service- ability performance design of modem tall buildings.

关键词： Level-crossing rate (LCR) Wind-induced vibration Mean extreme response Combined resultant process Peakfactor method