Peperomia pellucida(L)Kunth is a medicinal plant used to manage inflammatory illnesses such as con-junctivitis,and gastrointestinal and respiratory tract disorders in tropical and subtropical regions.However,little is known about its pharmacological mechanism of action against eye diseases.This review aims to critically discuss the phytochemistry,pharmacology and toxicology of P.peIlucida as well as its roles in the treatment of cataract,glaucoma and diabetic retinopathy.Recent developments in the uses of P.pellucida for healthcare and nutraceutical products by the pharmaceutical industry are also covered in this review.For this review,a literature search was performed with PubMed,ScienceDirect,SciFinder Scholar and Scopus databases,using relevant keywords.Among the various phytochemicals identified from P.pellucida,β-caryophyllene,carotol,dillapiole,ellagic acid,pellucidin A,phytol and vitexin exhibit strong pharmacological activities within the mitogen-activated protein kinase and nuclear factor-KB sig-nalling pathways in inflammatory eye diseases.The antihypertensive,anti-inflammatory,antioxidant,antihyperglycemic and anti-angiogenic activities displayed by P.pellucida extracts in many in vitro,in vivo and clinical studies suggest its potential role in the management of inflammatory eye diseases.P.pellucida extract was non-toxic against normal cell lines but displayed mild toxicity in animal models.The growing public interest in P.pellucida has inspired the nutraceutical and pharmaceutical industries to process the plant into health products.Although the potential pharmacological mechanisms against eye diseases have been summarized,further studies of the interactions among constituent phytochemicals from P.pellucida within various signalling pathways shall support the use of the plant as an alternative therapeutic source.

School of Biosciences,Faculty of Science and Engineering,University of Nottingham Malaysia,43500 Selangor,Malaysia;School of Bioscience,Faculty of Medicine,Bioscience and Nursing,MAHSA University,42610 Selangor,Malaysia;Department of Biochemistry,Faculty of Medicine,Bioscience and Nursing,MAHSA University,42610 Selangor,Malaysia;Department of Biomedical Science,Faculty of Medicine,University of Malaya,50603 Kuala Lumpur,Malaysia;Optimax Sunway Eye Specialist Centre,Bandar Sunway,46150 Selangor,Malaysia

[1]Keat Lam Ho;Phaik Har Yong;Chee Woon Wang;Umah Rani Kuppusamy;Chek Tung Ngo;Festo Massawe;Zhi Xiang Ng-.Peperomia pellucida(L.)Kunth and eye diseases:A review on phytochemistry,pharmacology and toxicology)[J].结合医学学报（英文版）,2022(04):292-304

Peperomia,junctivitis,peIlucida,carotol,dillapiole,pellucidin,phytol,nalling,antihyperglycemic

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