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Yeshi K, Turpin G, Jamtsho T, Wangchuk P. Indigenous Uses, Phytochemical Analysis, and Anti-Inflammatory Properties of Australian Tropical Medicinal Plants. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123849. [PMID: 35744969 PMCID: PMC9231311 DOI: 10.3390/molecules27123849] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/07/2022] [Accepted: 06/11/2022] [Indexed: 11/16/2022]
Abstract
Australian tropical plants have been a rich source of food (bush food) and medicine to the first Australians (Aboriginal people), who are believed to have lived for more than 50,000 years. Plants such as spreading sneezeweed (Centipeda minima), goat’s foot (Ipomoea pes-caprae), and hop bush (Dodonaea viscosa and D. polyandra) are a few popular Aboriginal medicinal plants. Thus far, more than 900 medicinal plants have been recorded in the tropical region alone, and many of them are associated with diverse ethnomedicinal uses that belong to the traditional owners of Aboriginal people. In our effort to find anti-inflammatory lead compounds in collaboration with Aboriginal communities from their medicinal plants, we reviewed 78 medicinal plants used against various inflammation and inflammatory-related conditions by Aboriginal people. Out of those 78 species, we have included only 45 species whose crude extracts or isolated pure compounds showed anti-inflammatory properties. Upon investigating compounds isolated from 40 species (for five species, only crude extracts were studied), 83 compounds were associated with various anti-inflammatory properties. Alphitolic acid, Betulinic acid, Malabaric acid, and Hispidulin reduced proinflammatory cytokines and cyclooxygenase enzymes (COX-1 and 2) with IC50 values ranging from 11.5 to 46.9 uM. Other promising anti-inflammatory compounds are Brevilin A (from Centipeda minima), Eupalestin, and 5′-methoxy nobiletin (from Ageratum conyzoides), Calophyllolide (from Calophyllum inophyllum), and Brusatol (from Brucea javanica). D. polyandra is one example of an Aboriginal medicinal plant from which a novel anti-inflammatory benzoyl ester clerodane diterpenoid compound was obtained (compound name not disclosed), and it is in the development of topical medicines for inflammatory skin diseases. Medicinal plants in the tropics and those associated with indigenous knowledge of Aboriginal people could be a potential alternative source of novel anti-inflammatory therapeutics.
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Affiliation(s)
- Karma Yeshi
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Building E4, McGregor Rd, Smithfield, Cairns, QLD 4878, Australia;
- Correspondence:
| | - Gerry Turpin
- Tropical Herbarium of Australia, James Cook University, Building E1, McGregor Rd, Smithfield, Cairns, QLD 4878, Australia;
| | - Tenzin Jamtsho
- Yangchenphug High School, Ministry of Education, Thimphu 11001, Bhutan;
| | - Phurpa Wangchuk
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Building E4, McGregor Rd, Smithfield, Cairns, QLD 4878, Australia;
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Treatment of Lupus Nephritis from Iranian Traditional Medicine and Modern Medicine Points of View: A Comparative Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6645319. [PMID: 34795786 PMCID: PMC8595000 DOI: 10.1155/2021/6645319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 08/14/2021] [Accepted: 09/24/2021] [Indexed: 12/02/2022]
Abstract
Objective Nephritis or kidney inflammation is characterized as one of the most common renal disorders leading to serious damage to the kidneys. Nephritis, especially lupus nephritis (LN), has remained as the main cause of chronic renal failure which needs serious therapeutic approaches such as dialysis and kidney transplant. Heredity, infection, high blood pressure, inflammatory diseases such as lupus erythematosus and inflammatory bowel disease, and drug-related side effects are known as the main causes of the disease. According to Iranian traditional medicine (ITM), infectious diseases and fever are the main reasons of nephritis, which is called “Varam-e-Kolye” (VK). Results There are various plant-based remedies recommended by ITM for the treatment of nephritis, as discussed herein, comparing with those available in the modern medicine. There is no definite cure for the treatment of nephritis, and immunosuppressive drugs such as corticosteroids and nonsteroidal anti-inflammatory drugs, antibiotics, diuretics, analgesics, and finally dialysis and kidney transplantation are usually used. Based on the efficacy of medicinal plants, jujube (Ziziphus jujuba), almond (Prunus amygdalus), pumpkin seeds (Cucurbita pepo), purslane (Portulaca oleracea), and fig (Ficus carica) were found to be effective for the treatment of kidney inflammation in ITM. Conclusion Considering the fact that there is no efficient strategy for the treatment of nephritis, use of herbal medicine, particularly based on the fruits or nuts that have been safely used for several years can be considered as a versatile supplement along with other therapeutic methods.
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Evaluation of Acute and Subchronic Toxicity Induced by the Crude Ethanol Extract of Plukenetia volubilis Linneo Leaves in Swiss Albino Mice. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6524658. [PMID: 34712734 PMCID: PMC8548117 DOI: 10.1155/2021/6524658] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/24/2021] [Accepted: 10/04/2021] [Indexed: 11/18/2022]
Abstract
Plukenetia volubilis Linneo (P. volubilis), or Sacha inca, is an oleaginous plant from the Euphorbiaceae family. The presence of terpenoids, saponins, tannins, glycosides, phytosterols, and phenolic compounds in the ethanol extracts of P. volubilis L leaves has been reported, showing a range of bioactivities including antimicrobial, anti-inflammatory, antioxidant, and analgesia. However, the safety of this plant has not yet been reported explicitly. This study thus is aimed at evaluating the toxicity of the ethanol extract of P. volubilis leaves (EtPV) by acute and subchronic toxicity tests in Swiss albino mice following standard procedures set by The Organization for Economic Cooperation and Development (OECD) with slight modifications. In the acute toxicity test, the treatment groups were administered orally with the EtPV at doses of 1000, 3000, 5000, and 7000 mg/kg body weight in small fractions during 16 hours, and the mice were then observed in 14 consecutive days. In the subchronic toxicity study, the EtPV was given at doses of 100, 300, 500, and 700 mg/kg body weight for 90 days. Changes in behavior, mortality rate, and body and the weights of vital organs, hematology, clinical biochemistry, urine analysis, and histologic morphology were evaluated. The acute toxicity study showed that the EtPV causes no sign of toxicity or mortality. The hematological, biochemical and urine analyses, changes in the weight of the body and vital organs (heart, liver and kidney), and histopathological analyses of organs indicated no evidence of toxicity at any doses. It was also revealed that oral administration of EtPV is safe at the oral doses set by acute and subchronic toxicity tests, and the oral lethal dose for the EtPV is higher than 7000 mg/kg. This study is the first to confirm the safety of P. volubilis leaf ethanol extract, and as a result, encouraging further investigation to examine EtPV potential for traditional medicine.
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Nephrotoxicity of Herbal Products in Europe-A Review of an Underestimated Problem. Int J Mol Sci 2021; 22:ijms22084132. [PMID: 33923686 PMCID: PMC8074082 DOI: 10.3390/ijms22084132] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/12/2021] [Accepted: 04/15/2021] [Indexed: 12/21/2022] Open
Abstract
Currently in Europe, despite the many advances in production technology of synthetic drugs, the interest in natural herbal medicines continues to increase. One of the reasons for their popular use is the assumption that natural equals safe. However, herbal medicines contain pharmacologically active ingredients, some of which have been associated with adverse effects. Kidneys are particularly susceptible to injury induced by toxins, including poisonous constituents from medicinal plants. The most recognized herb-induced kidney injury is aristolochic acid nephropathy connected with misuse of certain Traditional Chinese herbal medicines. Data concerning nephrotoxicity of plant species of European origin are scarce. Here, we critically review significant data of the nephrotoxicity of several plants used in European phytotherapy, including Artemisia herba-alba, Glycyrrhiza glabra, Euphorbia paralias, and Aloe). Causative mechanisms and factors predisposing to intoxications from the use of herbs are discussed. The basic intention of this review is to improve pharmacovigilance of herbal medicine, especially in patients with chronic kidney diseases.
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Touiti N, Houssaini TS, Achour S. Overview on pharmacovigilance of nephrotoxic herbal medicines used worldwide. CLINICAL PHYTOSCIENCE 2021. [DOI: 10.1186/s40816-021-00248-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Qin Y, Fang F, Wang R, Zhou J, Li L. Differentiation between wild and artificial cultivated Stephaniae tetrandrae radix using chromatographic and flow-injection mass spectrometric fingerprints with the aid of principal component analysis. Food Sci Nutr 2020; 8:4223-4231. [PMID: 32884703 PMCID: PMC7455950 DOI: 10.1002/fsn3.1717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 12/17/2022] Open
Abstract
High-performance liquid chromatographic (HPLC) and flow-injection mass spectrometric (FIMS) fingerprinting profiles were used to differentiate between wild and artificial cultivated Stephaniae tetrandrae Radix samples. HPLC and FIMS fingerprints of 15 wild S. tetrandrae Radix samples and 12 artificial cultivated S. tetrandrae Radix samples were obtained and analyzed with the aid of principal component analysis (PCA). PCA of the fingerprints showed that the chemical differences between wild and artificial cultivated S. tetrandrae Radix samples could be differentiated by either HPLC or FIMS fingerprints. The HPLC fingerprints provided more chemical information but required longer analytical time compared with FIMS fingerprints. This study indicated that the wild samples contained higher concentrations of almost all of the major compounds than the cultivated samples. Three characteristic compounds which were responsible for the differences between the samples were tentatively identified with the aid of MS data. Furthermore, these three compounds, tetrandrine (TET), fangchinoline (FAN), and cyclanoline (CYC), were quantified. The HPLC and FIMS fingerprints combined with PCA could be used for quality assessment of wild and artificial cultivated S. tetrandrae Radix samples.
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Affiliation(s)
- Ya‐dong Qin
- College of Life SciencesAnhui Normal UniversityWuhuChina
- Pharmacy DepartmentAnhui College of Traditional Chinese MedicineWuhuChina
| | - Feng‐man Fang
- College of Life SciencesAnhui Normal UniversityWuhuChina
| | - Rong‐bin Wang
- College of Life SciencesAnhui Normal UniversityWuhuChina
- Pharmacy DepartmentAnhui College of Traditional Chinese MedicineWuhuChina
| | - Juan‐juan Zhou
- Pharmacy DivisionWuhu Hospital of Traditional Chinese MedicineWuhuChina
| | - Lin‐hua Li
- Pharmacy DepartmentAnhui College of Traditional Chinese MedicineWuhuChina
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Heyman SN, Khamaisi M, Zorbavel D, Rosen S, Abassi Z. Role of Hypoxia in Renal Failure Caused by Nephrotoxins and Hypertonic Solutions. Semin Nephrol 2020; 39:530-542. [PMID: 31836036 DOI: 10.1016/j.semnephrol.2019.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hypoxia plays a role in the pathogenesis of acute kidney injury under diverse clinical settings, including nephrotoxicity. Although some nephrotoxins exert direct renal parenchymal injury, likely with consequent altered oxygenation, others primarily reduce renal parenchymal oxygenation, leading to hypoxic tubular damage. As outlined in this review, nephrotoxin-related renal hypoxia may result from an altered renal oxygen supply (cyclosporine), enhanced oxygen consumption for tubular transport (agents inducing osmotic diuresis), or their combination (nonsteroidal anti-inflammatory drugs, radiocontrast agents, and others). Most agents causing hypoxic renal injury further supress physiologic low medullary Po2, in which a limited regional blood supply barely matches the intense regional tubular transport and oxygen consumption. The medullary tubular transport and blood supply are finely matched, securing oxygen sufficiency. Predisposition to hypoxia-mediated nephrotoxicity by medical conditions, such as chronic kidney disease or diabetes, may be explained by malfunctioning of control systems that normally maintain medullary oxygenation. However, this propensity may be diminished by hypoxia-mediated adaptive responses governed by hypoxia-inducible factors. Recent reports have suggested that inhibitors of sodium-glucose cotransporters and the administration of hypertonic saline may be added to the growing list of common therapeutic interventions that intensify medullary hypoxia, and potentially could lead to hypoxic acute kidney injury.
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Affiliation(s)
- Samuel N Heyman
- Department of Medicine, Hadassah Hebrew University Hospital, Mt. Scopus, Jerusalem, Israel.
| | - Mogher Khamaisi
- Department of Medicine D, Rambam Health Care Campus, Haifa, Israel; Institute of Endocrinology, Diabetes and Metabolism, Rambam Health Care Campus, Haifa, Israel
| | - Danny Zorbavel
- Department of Medicine D, Rambam Health Care Campus, Haifa, Israel
| | - Seymour Rosen
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Pathology, Harvard Medical School, Boston, MA
| | - Zaid Abassi
- Department of Physiology, Ruth and Bruce Rappaport Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel; Department of Laboratory Medicine, Rambam Health Care Campus, Haifa, Israel
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Monteiro ÁB, Kelly de Souza Rodrigues C, Petícia do Nascimento E, Sales VDS, de Araújo Delmondes G, Nogueira da Costa MH, Pereira de Oliveira VA, Pereira de Morais L, Boligon AA, Barbosa R, Martins da Costa JG, Alencar de Menezes IR, Bezerra Felipe CF, Kerntopf MR. Anxiolytic and antidepressant-like effects of Annona coriacea (Mart.) and caffeic acid in mice. Food Chem Toxicol 2020; 136:111049. [DOI: 10.1016/j.fct.2019.111049] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/02/2019] [Accepted: 12/08/2019] [Indexed: 10/25/2022]
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Zhou Q, Pei J, Poon J, Lau AY, Zhang L, Wang Y, Liu C, Huang L. Worldwide research trends on aristolochic acids (1957-2017): Suggestions for researchers. PLoS One 2019; 14:e0216135. [PMID: 31048858 PMCID: PMC6497264 DOI: 10.1371/journal.pone.0216135] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 04/15/2019] [Indexed: 12/24/2022] Open
Abstract
Aristolochic acids and their derivatives are components of many traditional medicines that have been used for thousands of years, particularly in Asian countries. To study the trends of research into aristolochic acids and provide suggestions for future study, we performed the following work. In this paper, we performed a bibliometric analysis using CiteSpace and HistCite software. We reviewed the three phases of the development of aristolochic acids by using bibliometrics. In addition, we performed a longitudinal review of published review articles over 60 years: 1,217 articles and 189 review articles on the history of aristolochic acid research published between 1957 and 2017 were analyzed. The performances of relevant countries, institutions, and authors are presented; the evolutionary trends of different categories are revealed; the history of research into aristolochic acids is divided into three phases, each of which has unique characteristics; and a roadmap of the historical overview of aristolochic acid research is finally established. Finally, five pertinent suggestions for future research into aristolochic acid are offered: (1) The study of the antitumor efficacy of aristolochic acids is of value; (2) The immune activity of aristolochic acids should be explored further; (3) Researchers should perform a thorough overview of the discovery of naturally occurring aristolochic acids; (4) More efforts should be directed toward exploring the correlation between aristolochic acid mutational signature and various cancers; (5) Further efforts should be devoted to the research and review work related to analytical chemistry. Our study is expected to benefit researchers in shaping future research directions.
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Affiliation(s)
- Qiang Zhou
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jin Pei
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Josiah Poon
- School of Information Technologies, The University of Sydney, Sydney, Australia.,Analytic and Clinical Cooperative Laboratory of Integrative Medicine, Chinese University of Hong Kong and The University of Sydney, Sydney, Australia
| | - Alexander Y Lau
- Analytic and Clinical Cooperative Laboratory of Integrative Medicine, Chinese University of Hong Kong and The University of Sydney, Sydney, Australia.,Department of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Li Zhang
- College of Science, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Yuhua Wang
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Chang Liu
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Linfang Huang
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Ghorani-Azam A, Sepahi S, Riahi-Zanjani B, Alizadeh Ghamsari A, Mohajeri SA, Balali-Mood M. Plant toxins and acute medicinal plant poisoning in children: A systematic literature review. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2018; 23:26. [PMID: 29692823 PMCID: PMC5894275 DOI: 10.4103/jrms.jrms_629_17] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 10/21/2017] [Accepted: 12/29/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND For many years, medicinal plants and herbal therapy have been widely used in different societies for the treatment of various diseases. Besides their therapeutic potency, some of the medicinal plants have strong toxicity in human, especially in children and elderly. Despite common beliefs that natural products are safe, there have been few reports on their toxicities. MATERIALS AND METHODS In the present study, we aimed to systematically review the literature wherein acute plant poisoning and herbal intoxication have been reported in pediatric patients. After literature search and selection of the appropriate documents, the desired data were extracted and described qualitatively. RESULTS A total of 127 articles with overall 1453 intoxicated cases were collected. The results of this study showed that some medicinal plants can cause acute poisoning and complications such as hepatic and renal failure in children. CONCLUSION The findings of this survey showed that acute plant poisoning can be life?threatening in children, and since a single?ingested dose of toxic plants can cause acute poisoning, parents should be aware of these toxic effects and compare the side effects of self?medication with its potential benefits.
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Affiliation(s)
- Adel Ghorani-Azam
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Samaneh Sepahi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bamdad Riahi-Zanjani
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Seyed Ahmad Mohajeri
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdi Balali-Mood
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Brown AC. Kidney toxicity related to herbs and dietary supplements: Online table of case reports. Part 3 of 5 series. Food Chem Toxicol 2018; 107:502-519. [PMID: 28755953 DOI: 10.1016/j.fct.2016.07.024] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 06/30/2016] [Accepted: 07/22/2016] [Indexed: 02/09/2023]
Abstract
BACKGROUND No tabular summary of potentially life-threatening, kidney-toxic dietary supplements (DS; includes herbs) based on PubMed case reports is currently available online and continually updated to forewarn United States consumers, clinicians, and companies manufacturing DS. The purpose of this review was to create an online research summary table of kidney toxicity case reports related to DS. METHODS Documented PubMed case reports (1966 to May 2016, and cross-referencing) of DS appearing to contribute to kidney toxicity were listed in "DS Toxic Tables." Keywords included "herb" or "dietary supplement" combined with "kidney" to generate an overview list, and possibly "toxicity" to narrow the selection. Case reports were excluded if they involved herb combinations (some exceptions), Chinese herb mixtures, teas of mixed herb contents, mushrooms, poisonous plants, self-harm, excessive doses (except vitamins/minerals), legal or illegal drugs, drug-herbal interactions, and confounders of drugs or diseases. Since commercial DS often include a combination of ingredients, they were treated separately; so were foods. A few foods with kidney-toxic effects were listed in a fourth table. The spectrum of herbal or DS-induced kidney injuries included kidney stones, nephritis, nephrotic syndrome, necrosis, acute kidney injury (AKI; previously known as acute renal failure [ARF]), chronic kidney disease, kidney transplant, and death. RESULTS Approximately 7 herbs (minus 4 no longer for sale) and 10 dietary supplements (minus 3 excluded due to excessive doses + germanium that is no longer sold) have been related to kidney injury case reports published in PubMed (+crosslisting) in the last 50 + years (1966 to May 2016). The implicated herbs include Chinese yew (Taxus celbica) extract, impila (Callilepis laureola), morning cypress (Cupressus funebris Endl), St. John's wort (Hypericum perforatum), thundergod vine (Tripterygium wilfordii hook F), tribulus (Tribulus terrestris) and wormwood (Artemisia herba-alba). No longer sold in the United States are chocolate vine or mu tong (Caulis aristolochiae), guang fang ji (Aristolochia fangchi), ma huang (Ephedra sinica), and Tenshin Tokishigyaku-ka-goshuyu-shokyo-to. The DS include bile (sheep), chlorella, chromium (Cr), CKLS, creatine, gallbladder (fish), glucosamine, hydrazine, N.O.-Xplode, Spanish fly, and excess intakes of vitamins A, C, and D. Germanium (Ge) is not available for sale. The top two DS with the largest number of reported publications, but not always case reports, in descending order, were the aristolochic acid-containing herbs guang fang ji (mistaken identity) and chocolate vine or mu tong. The remaining DS featured one to three publications over a 50+ year period. Numerous case reports were reported for kidney-toxic foods: djenkol bean, gallbladders (carp fish, pufferfish, & snake), and star fruit (only in chronic kidney disease patients), and uncooked yam powder or juice. CONCLUSION This online "DS Toxic Table" provides clinicians, consumers, and manufacturers with a list of herbs that could potentially contribute to kidney injuries.
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Affiliation(s)
- Amy Christine Brown
- Department of Complementary and Alternative Medicine, John A. Burns School of Medicine, 651 Ilalo Street, MEB 223, Honolulu, HI, USA; University of Hawaii at Manoa, Honolulu, HI, USA.
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Nguyet TMN, Lomunova M, Le BV, Lee JS, Park SK, Kang JS, Kim YH, Hwang I. The mast cell stabilizing activity of Chaga mushroom critical for its therapeutic effect on food allergy is derived from inotodiol. Int Immunopharmacol 2017; 54:286-295. [PMID: 29175507 DOI: 10.1016/j.intimp.2017.11.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 11/16/2017] [Accepted: 11/21/2017] [Indexed: 12/25/2022]
Abstract
While an anti-allergic effect of Chaga mushroom (Inonotus obliquus) has been indicated, its therapeutic effect on allergy and immunoregulatory mechanisms and chemical constituents directly responsible for that are hardly known. We examined the effect of 70% ethanol extract of Chaga mushroom (EE) and its dichloromethane (DF) and aqueous (AF) fractions using a mouse model of chicken ovalbumin (cOVA)-induced food allergy, and found that only EE and DF ameliorated allergy symptoms to a significant extent. The in vivo mast cell-stabilizing activity was also found only in EE and DF whereas the activities to suppress Th2 and Th17 immune responses and cOVA-specific IgE production in the small intestine were observed in all three treatment regimens, implying that inhibition of the mast cell function by lipophilic compounds was vital for the therapeutic effect. Results also indicated that inotodiol, a triterpenoid predominantly present in DF, played an active role as a mast cell stabilizer.
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Affiliation(s)
- Thi Minh Nguyen Nguyet
- Immunology and Immunopharmacology Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Maria Lomunova
- Immunology and Immunopharmacology Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Ba Vinh Le
- Natural Products Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Ji Sun Lee
- Natural Products Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Seol Kyu Park
- Natural Products and Pharmaceutical Analysis Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Jong Seong Kang
- Natural Products and Pharmaceutical Analysis Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Young Ho Kim
- Natural Products Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Inkyu Hwang
- Immunology and Immunopharmacology Laboratory, College of Pharmacy, Chungnam National University, 99 Daekak-ro Yuseong-gu, Daejeon 34134, Republic of Korea.
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Zyoud SH, Al-Jabi SW, Sweileh WM, Tabeeb GH, Ayaseh NA, Sawafta MN, Khdeir RL, Mezyed DO, Daraghmeh DN, Awang R. Use of complementary and alternative medicines in haemodialysis patients: a cross-sectional study from Palestine. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:204. [PMID: 27400742 PMCID: PMC4940841 DOI: 10.1186/s12906-016-1196-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 07/07/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Complementary and alternative medicine (CAM), and herbal therapies, are accepted worldwide, and have been important from medical, sociological and economic perspectives, among haemodialysis (HD) patients. The primary aim of this study was to evaluate the use of CAM among patients with end-stage renal disease (ESRD) who are undergoing HD. METHODS Face-to-face interviews of patients with ESRD undergoing HD from ten outpatient renal departments at a national level in Palestine were conducted from June 2014 to January 2015. A survey questionnaire, which included questions on socio-demographic and clinical characteristics, and on the CAM therapies that were used, was administered. RESULTS Out of 267 patients interviewed, 172 patients used at least one type of CAM in the last month prior to the interview, and thus the utilisation rate was 64.4 %. Forty one (15.4 %) patients reported using one type of CAMs, while 18.7 % used two different CAMs and 30.3 % used more than two types of CAMs for their health status. Of the patients who used CAM, herbal therapies were used most often (43.5 %), followed by honey (35.6 %), diet (22.8 %), and exorcism in Islam (16.9 %). The herbal therapies mentioned most often were Nigella sativa L. (18.7 %), followed by Salvia officinalis L. (16.9 %), and Pimpinella anisum L. (10.5 %). CONCLUSIONS In conclusion, the prevalence of CAM is relatively high in the selected population. Most patients used biological therapies such as herbal remedies, thus highlighting a greater need for patient education regarding CAM therapies and possible herb-drug interactions. Health care providers must be aware of the potential benefits and risks related to CAM use. There is a need for more clinical research pertaining to CAM to reach stronger evidence regarding potential benefits and risks related to CAM use.
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Affiliation(s)
- Sa’ed H. Zyoud
- Poison Control and Drug Information Center (PCDIC), College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- WHO Collaborating Centre for Drug Information, National Poison Centre, Universiti Sains Malaysia (USM), Penang, 11800 Malaysia
| | - Samah W. Al-Jabi
- Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Waleed M Sweileh
- Department of Pharmacology and Toxicology, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Ghada H. Tabeeb
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Nora A. Ayaseh
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Mayas N. Sawafta
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Razan L. Khdeir
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Diana O. Mezyed
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Dala N. Daraghmeh
- PharmD program, College of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Rahmat Awang
- WHO Collaborating Centre for Drug Information, National Poison Centre, Universiti Sains Malaysia (USM), Penang, 11800 Malaysia
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14
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Pollak PT. Herbal Cardiotoxicity: Can Mother Nature Hurt the Heart? Can J Cardiol 2016; 32:291-3. [DOI: 10.1016/j.cjca.2015.08.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 08/24/2015] [Accepted: 08/24/2015] [Indexed: 10/22/2022] Open
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15
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Shahzad M, Small DM, Morais C, Wojcikowski K, Shabbir A, Gobe GC. Protection against oxidative stress-induced apoptosis in kidney epithelium by Angelica and Astragalus. JOURNAL OF ETHNOPHARMACOLOGY 2016; 179:412-9. [PMID: 26719285 DOI: 10.1016/j.jep.2015.12.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 12/06/2015] [Accepted: 12/20/2015] [Indexed: 05/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Astragalus membranaceus either alone or in combination with Angelica sinensis has been used traditionally for kidney disease in East Asia and China for thousands of years. Previous studies using in vivo animal models have shown the benefits of these medicinal herbs in kidney diseases that involve oxidative stress. However, the mechanisms by which these medicinal herbs protect kidney cells remain largely unknown. AIM OF THE STUDY To investigate the mechanisms by which ethanol, methanol and aqueous crude extracts of roots of A. membranaceus and A. sinensis afford protection to human kidney proximal tubular epithelial cells, using an in vitro model of oxidative stress. MATERIALS AND METHODS Ethanol, methanol and aqueous extracts of roots of A. membranaceus and A. sinensis were prepared by a three-solvent sequential process. HK2 human kidney proximal tubular epithelial cells were treated with H2O2 alone (0.5mM) or in combination with different concentrations of extracts. Cell mitosis and death (microscopy) and cell viability (MTT assay) were compared. Western immunoblot was used to study expression of apoptosis-related proteins (pro-apoptotic Bax andanti-apoptotic Bcl-XL), and cell survival (NFκB subunits p65 and p50), pro-inflammatory (TNF-α) and protective (TGFβ1) proteins. RESULTS H2O2-induced oxidative stress significantly increased apoptosis and reduced cell survival; upregulated pro-apoptotic and down-regulated Bcl-XL; increased NFκB (p65, p50); increased TNFα and decreased TGFβ1. All changes indicated kidney damage and dysfunction. All were modulated by all extracts of both plant species, except for NFκB which was only modulated by extracts of A. membranaceus. CONCLUSIONS In conclusion, in a model of oxidative stress that might occur after nephrotoxicity, the plant extracts were protective via anti-apoptotic and anti-inflammatory mechanisms.
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Affiliation(s)
- Muhammad Shahzad
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Translational Research Institute, Brisbane, Australia; Department of Pharmacology, University of Health Sciences, Lahore, Pakistan
| | - David M Small
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Translational Research Institute, Brisbane, Australia
| | - Christudas Morais
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Translational Research Institute, Brisbane, Australia
| | - Ken Wojcikowski
- Department of Natural and Complementary Medicine, Southern Cross University, Lismore, Australia
| | - Arham Shabbir
- Department of Pharmacology, University of Health Sciences, Lahore, Pakistan
| | - Glenda C Gobe
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Translational Research Institute, Brisbane, Australia.
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16
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Gobe GC, Shen K. Chinese herbal medicines and chronic kidney disease: a positive outcome in a large patient study in Taiwan. Kidney Int 2015; 88:1223-1226. [PMID: 26649659 DOI: 10.1038/ki.2015.300] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The worth of traditional Chinese herbal medicines for chronic kidney disease (CKD) patients remains in debate. Lin et al. used a research database in Taiwan to identify almost 25,000 stage 3-5 newly diagnosed CKD patients who, after diagnosis, did or did not use prescribed Chinese herbal medicines for CKD. Reduced risk of end-stage kidney disease from specific traditional medicines warrants reflection on a CKD therapy resource that is largely ignored by Western medicine.
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Affiliation(s)
- Glenda C Gobe
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Brisbane, Australia.,Translational Research Institute, Brisbane, Australia
| | - Kunyu Shen
- Centre for Kidney Disease Research, School of Medicine, University of Queensland, Brisbane, Australia.,Translational Research Institute, Brisbane, Australia.,Nephrology Center, The Second Clinical College, Guangzhou University of Chinese Medicine and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
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17
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Esen B, Atay AE, Gokmen ES, Karakoc A, Sari H, Sarisakal S, Kahvecioglu S, Kayabasi H, Sit D. Relation of Complementary-Alternative Medicine use with glomerular filtration rate and depression in patients with chronic kidney disease at predialysis stage. Nephrology (Carlton) 2015; 20:671-678. [PMID: 25951994 DOI: 10.1111/nep.12503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2015] [Indexed: 11/26/2022]
Abstract
AIM Complementary and alternative medicine is a broad field of health including all health care practices and methods, and their accompanying theories and beliefs. In the present study, we aimed to examine the frequency of complementary-alternative medicine use, and its relation with glomerular filtration rate and depression in patients with chronic kidney disease at predialysis stage. METHODS A total of 1053 predialysis patients; 518 female and 535 male, that were followed up with chronic kidney disease for at least 3 months were enrolled into the study. Demographic features, biochemical parameters and findings of physical examination were recorded. Their compliance to diet, and knowledge about disease were questioned. Beck depression inventory and questionnaire regarding complementary-alternative medicine use were performed. RESULTS The overall frequency of complementary-alternative medicine use was 40.3% . Total ratio of herbal products was 46%. Complementary-alternative medicine use was significantly more frequent in female or single patients, and patients that informed about chronic kidney disease or under strict diet (P = 0.007, P = 0.016, P = 0.02, P = 0.016, respectively). When glomerular filtration rate of participants were considered, complementary-alternative medicine use was similar in different stages of kidney disease. Depression was observed in 41.9% of patients and significantly frequent in patients with alternative method use (P = 0.002). Depression score was higher as creatinine increases and glomerular filtration rate decreases (P = 0.002; r = 0.093). CONCLUSION We determined that complementary-alternative medicine use gradually increases at predialysis stage as glomerular filtration rate decreases and there is a strict relation between complementary-alternative medicine use and depression or female gender. Disorder related stressors may lead to seeking of alternative methods.
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Affiliation(s)
- Bennur Esen
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Ahmet Engin Atay
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Emel Saglam Gokmen
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Ayten Karakoc
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Hakan Sari
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Samprie Sarisakal
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Serdar Kahvecioglu
- Division of Nephrology, Department of Internal Medicine, Bursa Sevket Yılmaz Education and Research Hospital, Bursa, Turkey
| | - Hasan Kayabasi
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
| | - Dede Sit
- Division of Nephrology, Department of Internal Medicine, Bagcilar Education and Research Hospital, Istanbul, Turkey
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18
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Nath P, Yadav AK. Acute and sub-acute oral toxicity assessment of the methanolic extract from leaves of Hibiscus rosa-sinensis L. in mice. JOURNAL OF COMPLEMENTARY MEDICINE RESEARCH 2014; 4:70-3. [PMID: 26401388 PMCID: PMC4566762 DOI: 10.5455/jice.20141028021746] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 10/28/2014] [Indexed: 11/03/2022]
Abstract
BACKGROUND The leaves of Hibiscus rosa-sinensis L. (Malvaceae) are used for the treatment of dysentery and diarrhea, to promote draining of abscesses and as analgesic agent in the traditional medicine of Cook Islands, Haiti, Japan and Mexico. AIM The present study investigated the oral acute and subacute toxicity of methanol leaf extract of H. rosa-sinensis in mice. MATERIALS AND METHODS In the acute toxicity study, a single oral dose of 2000 mg/kg of extract was given to five mice at 48 h intervals. Animals were observed individually for any clinical signs of toxicity or mortality for 14 days. In the sub-acute toxicity study, mice were treated with 400 mg/kg and 800 mg/kg doses of the extract for 14 days. The hematological and biochemical parameters and histopathology of liver and kidneys of animals were studied at the end of the experiment. RESULTS For acute treatment, the extract did not reveal any signs of toxicity or mortality in any animal, during the 14 days observation period. The LD50 of extract was estimated to be greater than 2000 mg/kg. In the sub-acute toxicity study, administration of 400 mg/kg and 800 mg/kg doses of extract to mice for two weeks did not reveal any marked adverse effects on hematological, biochemical parameters and histopathology of liver and kidney in the 400 mg/kg group. However, hepato-renal toxicity as evidenced by elevated levels of alanine aminotransferase, aspartate aminotransferase, total and indirect bilirubin, urea and creatinine was seen in the animals that received 800 mg/kg dose of extract for 14 days. In addition, in the same group of animals, the histological assessments of liver and kidney also showed various adverse effects viz. dilated sinusoids, apoptotic nuclei and inflammatory infiltrate inside sinusoidal capillaries in the liver, and marked the disorganization of tubules and glomeruli, and enlarged interstitial spaces in the kidney. CONCLUSION The results of this study suggest that for traditional medicinal purpose, only a low dose of H. rosa-sinensis leaf extract (i.e., 400 mg/kg) should be considered as safe.
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Affiliation(s)
- Purobi Nath
- Department of Zoology, North-Eastern Hill University, Shillong, Meghalaya, India
| | - Arun K Yadav
- Department of Zoology, North-Eastern Hill University, Shillong, Meghalaya, India
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19
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Song MK, Davies NM, Roufogalis BD, Huang THW. Management of cardiorenal metabolic syndrome in diabetes mellitus: a phytotherapeutic perspective. J Diabetes Res 2014; 2014:313718. [PMID: 24818164 PMCID: PMC4003752 DOI: 10.1155/2014/313718] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 03/11/2014] [Accepted: 03/12/2014] [Indexed: 12/15/2022] Open
Abstract
Cardiorenal syndrome (CRS) is a complex disease in which the heart and kidney are simultaneously affected and their deleterious declining functions are reinforced in a feedback cycle, with an accelerated progression. Although the coexistence of kidney and heart failure in the same individual carries an extremely bad prognosis, the exact cause of deterioration and the pathophysiological mechanisms underlying the initiation and maintenance of the interaction are complex, multifactorial in nature, and poorly understood. Current therapy includes diuretics, natriuretic hormones, aquaretics (arginine vasopressin antagonists), vasodilators, and inotropes. However, large numbers of patients still develop intractable disease. Moreover, the development of resistance to many standard therapies, such as diuretics and inotropes, has led to an increasing movement toward utilization and development of novel therapies. Herbal and traditional natural medicines may complement or provide an alternative to prevent or delay the progression of CRS. This review provides an analysis of the possible mechanisms and the therapeutic potential of phytotherapeutic medicines for the amelioration of the progression of CRS.
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Affiliation(s)
- Min Kyong Song
- The University of Sydney, Faculty of Pharmacy, Sydney, NSW 2006, Australia
| | - Neal M. Davies
- The University of Manitoba, Faculty of Pharmacy, Winnipeg, MB, Canada R3T 2N2
| | - Basil D. Roufogalis
- The University of Sydney, Faculty of Pharmacy, Sydney, NSW 2006, Australia
- The University of Sydney, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, Sydney, NSW 2006, Australia
| | - Tom Hsun-Wei Huang
- The University of Sydney, Faculty of Pharmacy, Sydney, NSW 2006, Australia
- *Tom Hsun-Wei Huang:
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20
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Zhong Y, Deng Y, Chen Y, Chuang PY, Cijiang He J. Therapeutic use of traditional Chinese herbal medications for chronic kidney diseases. Kidney Int 2013; 84:1108-18. [PMID: 23868014 PMCID: PMC3812398 DOI: 10.1038/ki.2013.276] [Citation(s) in RCA: 119] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2012] [Revised: 04/26/2013] [Accepted: 05/02/2013] [Indexed: 12/16/2022]
Abstract
Traditional Chinese herbal medications (TCHM) are frequently used in conjunction with western pharmacotherapy for treatment of chronic kidney diseases (CKD) in China and many other Asian countries. The practice of traditional Chinese medicine is guided by cumulative empiric experience. Recent in vitro and animal studies have confirmed the biological activity and therapeutic effects of several TCHM in CKD. However, the level of evidence supporting TCHM is limited to small, non-randomized trials. Due to variations in the prescription pattern of TCHM and the need for frequent dosage adjustment, which are inherent to the practice of traditional Chinese medicine, it has been challenging to design and implement large randomized clinical trials of TCHM. Several TCHM are associated with significant adverse effects, including nephrotoxicity. However, reporting of adverse effects associated with TCHM has been inadequate. To fully realize the therapeutic use of TCHM in CKD we need molecular studies to identify active ingredients of TCHM and their mechanism of action, rigorous pharmacologic studies to determine the safety and meet regulatory standards required for clinical therapeutic agents, and well-designed clinical trials to provide evidence-based support of their safety and efficacy.
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Affiliation(s)
- Yifei Zhong
- Department of Nephrology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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21
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Wang L, Sweet DH. Renal organic anion transporters (SLC22 family): expression, regulation, roles in toxicity, and impact on injury and disease. AAPS JOURNAL 2012; 15:53-69. [PMID: 23054972 DOI: 10.1208/s12248-012-9413-y] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 09/12/2012] [Indexed: 01/25/2023]
Abstract
Organic solute flux across the basolateral and apical membranes of renal proximal tubule cells is a key process for maintaining systemic homeostasis. It represents an important route for the elimination of metabolic waste products and xenobiotics, as well as for the reclamation of essential compounds. Members of the organic anion transporter (OAT, SLC22) family expressed in proximal tubules comprise one pathway mediating the active renal secretion and reabsorption of organic anions. Many drugs, pesticides, hormones, heavy metal conjugates, components of phytomedicines, and toxins are OAT substrates. Thus, through transporter activity, the kidney can be a target organ for their beneficial or detrimental effects. Detailed knowledge of the OATs expressed in the kidney, their membrane targeting, substrate specificity, and mechanisms of action is essential to understanding organ function and dysfunction. The intracellular processes controlling OAT expression and function, and that can thus modulate kidney transport capacity, are also critical to this understanding. Such knowledge is also providing insight to new areas such as renal transplant research. This review will provide an overview of the OATs for which transport activity has been demonstrated and expression/function in the kidney observed. Examples establishing a role for renal OATs in drug clearance, food/drug-drug interactions, and renal injury and pathology are presented. An update of the current information regarding the regulation of OAT expression is also provided.
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Affiliation(s)
- Li Wang
- Department of Pharmaceutics, Virginia Commonwealth University, Medical College of Virginia Campus, 410 N 12th Street, PO Box 980533, Richmond, VA 23298, USA
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22
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Asif M. A brief study of toxic effects of some medicinal herbs on kidney. Adv Biomed Res 2012; 1:44. [PMID: 23326775 PMCID: PMC3544088 DOI: 10.4103/2277-9175.100144] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Accepted: 04/11/2012] [Indexed: 11/04/2022] Open
Abstract
Increased use of complementary and alternative herbal medicines in the treatment of various diseases.Some herbal therapies may be causes of potential toxicity that may be renal toxicity caused by the ingestion of herbs. The goal of this study is the toxic and beneficial effects of medicinal herbs on renal health by which evidence for benefit or toxicity has been found. Included are nephrotoxicity from aristolochic acid and other components within herbs, herb-drug interactions, heavy metal toxicity in herbs and adulterants during careless preparation of herbal medicine, resulting in adverse renal effects and renal toxicity from contaminants within the extracts. The review aims to provide knowledge and guide to encourage future toxicity studies on the kidney by medicinal herbs.
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Affiliation(s)
- Mohammad Asif
- Department of Pharmacy, GRD (PG) Institute of Management and Technology, Uttarakhand, India
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23
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Luyckx VA. Nephrotoxicity of alternative medicine practice. Adv Chronic Kidney Dis 2012; 19:129-41. [PMID: 22578672 DOI: 10.1053/j.ackd.2012.04.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2012] [Revised: 04/06/2012] [Accepted: 04/09/2012] [Indexed: 11/11/2022]
Abstract
The use of alternative medicine is highly prevalent around the world; in many areas, this is so because of lack of access to, or trust in, Western medicine, and also because they are considered "natural" and therefore safe. The kidney is an organ vulnerable to toxic insults by virtue of its anatomy and function. Reports of nephrotoxicity associated with alternative medicine use encompass all forms of renal dysfunction, ranging from electrolyte abnormalities and proteinuria to acute and CKD, renal failure, and death. In countries where intensive care and dialysis support are not available, mortality is high. Mechanisms of alternative medicine-associated kidney injury include direct nephrotoxicity, which may be augmented by underlying predisposing conditions such as dehydration; contamination, or adulteration of remedies; inappropriate use or preparation of a remedy; or interactions with other medications. The use of alternative medicines is underreported to clinicians. Because many patients strongly believe in the powers of alternative medicines, it is important that alternative medicines not be demonized as a whole, but that their use and consequences be closely observed and reported to build a more comprehensive understanding of their impact in our clinical practice and to foster research on the potential harm or, in some cases, possible benefits.
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24
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Fatty acid composition of lipids in wild Cordyceps sinensis from major habitats in China. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.bionut.2011.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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25
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Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease with higher morbidity and mortality among ethnic Chinese patients than Whites. Corticosteroid and other immunosuppressive drugs, including cyclophosphamide, azathioprine, and hydroxychloroquine are traditional therapies for this disease. Since the year 2000, mycophenolate mofetil and rituximab have been widely used in refractory SLE or severe lupus nephritis. Because the high disease activity remains, even after active therapy, and serious side effects from Western medicines may develop, more than 40% of SLE patients in Western countries are pursuing complementary and alternative therapies (CATs). CAT remedies are multiplex, and include herbal medicines, diets and vitamins, acupuncture, chiropractice, folk medicine, massage, spiritual healing, etc. Many herbal formulas have been used but in general their efficacy in treating lupus is doubted because of the lack of strong evidence. Tripterygium (T2) has demonstrated good efficacy in rheumatoid arthritis (RA) and SLE, but widespread use is limited due to the side effects. Through randomized clinical trials, we hope in the future that some Chinese medicines may be found helpful as CATs for SLE.
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Affiliation(s)
- C-T. Chou
- Division of Allergy-Immunology-Rheumatology, Department of Medicine, Veterans General Hospital, Taipei, Taiwan,
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26
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Lentini A, Tabolacci C, Provenzano B, Rossi S, Beninati S. Phytochemicals and protein-polyamine conjugates by transglutaminase as chemopreventive and chemotherapeutic tools in cancer. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2010; 48:627-633. [PMID: 20227887 DOI: 10.1016/j.plaphy.2010.02.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Revised: 01/29/2010] [Accepted: 02/12/2010] [Indexed: 05/28/2023]
Abstract
Identifying novel chemopreventive and chemotherapeutic agents and targeting them to patients at high risk of developing cancer or following curative treatment may go some way towards improving prognosis. This review examines current knowledge regarding the chemopreventive and chemotherapeutic potential of phytochemicals in cancer. Both in vitro and animal studies demonstrate that several phytochemicals increase the activity of intracellular transglutaminases, a family of enzymes involved in cell differentiation, through the covalent conjugation of polyamine to cellular protein, with promising anti-neoplastic properties. The substantial data available on certain plant secondary metabolites makes a strong case for integrating these safe and well-tolerated agents into clinical practice.
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Affiliation(s)
- Alessandro Lentini
- Department of Biology, University "Tor Vergata" Via della Ricerca Scientifica, 00133 Rome, Italy
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27
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Shin JW, Kim HG, Park HJ, Sung NW, Son CG. Safety of the traditional Korean herbal medicine CGX: a 6-month repeated-dose study in rats. JOURNAL OF ETHNOPHARMACOLOGY 2010; 128:221-229. [PMID: 20079414 DOI: 10.1016/j.jep.2010.01.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2009] [Revised: 12/08/2009] [Accepted: 01/05/2010] [Indexed: 05/28/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE CGX is a traditional Korean herbal medicine used to treat chronic liver diseases. AIM OF STUDY The purpose of this study was to evaluate the pharmaceutical safety of hepatoprotective herbal medicine, CGX via systemic 6-month repeated dose toxicity study in SD rats. MATERIALS AND METHODS Male and female SD rats were administered CGX for 6 months (0, 100, 200, or 400 mg kg(-1), respectively). The rats were visually inspected for changes in behavior, body weight, food and water consumption, and appearance during the experiment period. At the end of the experiment, urine, hematological, biochemical analysis, and histopathological examination were carried out. RESULTS No drug-induced abnormalities were found as clinical signs or in the histopathology, hematology, blood biochemistry, and urinalysis results for any administered doses of CGX. CONCLUSION The results suggest that CGX is safe and could be considered as an effective and prospective herbal formulation in clinical applications with a wide therapeutic index.
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Affiliation(s)
- Jang Woo Shin
- Liver and Immunology Research Center, Institute of Traditional Medicine and Bioscience of Daejeon University, 22-5, Daeheung-dong, Jung-gu, Daejeon 301-724, Republic of Korea
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28
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Farese S, Frey FJ. The Authors Reply. Kidney Int 2010. [DOI: 10.1038/ki.2009.508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Shin JW, Park HJ, Kwon M, Son CG. Scientific evaluation of the chronic toxicity of the herbal medicine CGX in beagle dogs. Food Chem Toxicol 2010; 48:743-9. [PMID: 20034534 DOI: 10.1016/j.fct.2009.12.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2009] [Revised: 12/14/2009] [Accepted: 12/16/2009] [Indexed: 02/07/2023]
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30
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Reyes MR, Reyes-Esparza J, Ãngeles OT, RodrÃguez-Fragoso L. Mutagenicity and Safety Evaluation of Water Extract ofâCoriander sativumâLeaves. J Food Sci 2010; 75:T6-12. [DOI: 10.1111/j.1750-3841.2009.01403.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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31
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Arend LJ, Nadasdy T. Emerging therapy-related kidney disease. Arch Pathol Lab Med 2009; 133:268-78. [PMID: 19195969 DOI: 10.5858/133.2.268] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2008] [Indexed: 11/06/2022]
Abstract
CONTEXT Many new therapies have emerged within the last 5 to 10 years to treat a variety of conditions. Several of these have direct or indirect renal toxicities that may go undiagnosed without careful attention of the pathologist to a patient's clinical history, particularly the addition of new medications or treatments. OBJECTIVE To discuss patterns of renal injury resulting from medications or therapeutic regimens that have been introduced within the last 10 years. Recognition of these patterns may allow the pathologist to alert the attending clinician to a possible drug-induced renal injury and prevent further deterioration of renal function and possible chronic kidney disease. DATA SOURCES A review of recent literature and unpublished observations of case-derived material. CONCLUSIONS A number of newer therapies have emerged as agents of renal toxicity, producing a variety of pathologic changes in the kidney. The outcome can be acute or chronic glomerular, tubular, interstitial, and/or vascular injury. Some drugs will result in irreversible changes and end-stage renal disease, whereas many of the alterations can be reversed with removal of the offending agent, avoiding potential long-term kidney injury.
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Affiliation(s)
- Lois J Arend
- Department of Pathology and Laboratory Medicine, University of Cincinnati Academic Health Center, Cincinnati, Ohio, USA
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32
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Luyckx VA, Naicker S. Acute kidney injury associated with the use of traditional medicines. ACTA ACUST UNITED AC 2008; 4:664-71. [PMID: 18838981 DOI: 10.1038/ncpneph0970] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2008] [Accepted: 09/01/2008] [Indexed: 01/10/2023]
Abstract
The use of traditional medicine is common worldwide, with rates of use of over 80% in some populations. Considering the large number of people using traditional remedies throughout the world, it does seem that most do so without major adverse effects. Nevertheless, many folk medicines can cause kidney injury. Drug-induced nephrotoxicity reportedly contributes to up to 26% of cases of hospital-acquired acute kidney injury (AKI) and 18% of cases of community-acquired AKI globally, and folk remedies account for up to 35% of cases of AKI in the developing world. The kidney is highly susceptible to toxic insults because its intrinsic functions expose it to exceptionally high concentrations of any particular toxic substance. Clinical syndromes of nephrotoxicity can be defined according to the predominant regions of the kidney affected by the toxin, and reversibility of the injury is likely related to the severity and nature of the injury and also to the duration of toxin exposure. In countries with well-developed health-care systems, a large proportion of patients with nephrotoxicity will recover at least some renal function with adequate supportive care and dialysis. Health-care practitioners in all countries should be aware of the high prevalence of the use of alternative therapies and should be proactive in obtaining this information from patients. In poorer countries, where large proportions of the population rely on traditional medicine, attempts should be made to integrate traditional healers into the health-care system.
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Affiliation(s)
- Valerie A Luyckx
- Division of Nephrology and Immunology, University of Alberta, Edmonton, AB, Canada
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Wojcikowski K, Wohlmuth H, Johnson DW, Gobe G. Dioscorea villosa (wild yam) induces chronic kidney injury via pro-fibrotic pathways. Food Chem Toxicol 2008; 46:3122-31. [DOI: 10.1016/j.fct.2008.06.090] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2008] [Revised: 06/20/2008] [Accepted: 06/25/2008] [Indexed: 10/21/2022]
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Wen CP, Cheng TYD, Tsai MK, Chang YC, Chan HT, Tsai SP, Chiang PH, Hsu CC, Sung PK, Hsu YH, Wen SF. All-cause mortality attributable to chronic kidney disease: a prospective cohort study based on 462 293 adults in Taiwan. Lancet 2008; 371:2173-82. [PMID: 18586172 DOI: 10.1016/s0140-6736(08)60952-6] [Citation(s) in RCA: 707] [Impact Index Per Article: 44.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Both end-stage renal disease and chronic kidney disease are increasing worldwide; however, the full effect of chronic kidney disease is unknown because mortality risks for all five stages are unavailable. We assessed prevalence and mortality risks for all stages of chronic kidney disease and quantified its attributable mortality in Taiwan. METHODS The cohort consisted of 462 293 individuals aged older than 20 years who participated in a standard medical screening programme since 1994. As of Dec 31, 2006, we identified 14 436 deaths. Chronic kidney disease was determined by glomerular filtration rate and urinary protein. We estimated national prevalence in Taiwan from the cohort by adjusting age and educational levels. Hazard ratios (HRs) were calculated with Cox proportionate hazards model. We calculated mortality attributable to chronic kidney disease for national population and for low socioeconomic status. FINDINGS The national prevalence of chronic kidney disease was 11.93% (95% CI 11.66-12.28), but only 3.54% (3.37-3.68) of participants in the cohort were aware of their disorder. Prevalence was substantially higher in the group with low socioeconomic status than in the high status group (19.87% [19.84-19.91] vs 7.33% [7.31-7.35]). 56 977 (12%) of cohort participants had chronic kidney disease; those with disease had 83% higher mortality for all cause (HR 1.83 [1.73-1.93]) and 100% higher for cardiovascular diseases (2.00 [1.78-2.25]), in a cohort that was observed for 13 years with median follow-up of 7.5 years (IQR 4.0-10.1). 10.3% (95% CI 9.57-11.03) of deaths in the entire population were attributable to chronic kidney disease, but 17.5% (16.27-18.67) of deaths in the low socioeconomic status population. 2350 (39%) deaths occurred before 65 years of age in those with chronic kidney disease. Regular users of Chinese herbal medicines had a 20% (odds ratio 1.20 [1.16-1.24]) increased risk of developing chronic kidney disease. INTERPRETATION The high prevalence of chronic kidney disease and its associated all-cause mortality, especially in people with low socioeconomic status, make reduction of this disorder a public-health priority. Promotion of its recognition through the general public knowing their glomerular filtration rate and testing their urine is crucial to reduce premature deaths from all causes and to attenuate this global epidemic.
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Affiliation(s)
- Chi Pang Wen
- Center for Health Policy Research and Development, National Health Research Institutes, Zhunan, Taiwan.
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Wieser F, Cohen M, Gaeddert A, Yu J, Burks-Wicks C, Berga SL, Taylor RN. Evolution of medical treatment for endometriosis: back to the roots? Hum Reprod Update 2007; 13:487-99. [PMID: 17575287 DOI: 10.1093/humupd/dmm015] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Experimental evidence is accumulating to suggest that medicinal botanicals have anti-inflammatory and pain-alleviating properties and hold promise for treatment of endometriosis. Herein, we present a systematic review of clinical and experimental data on the use of medicinal herbs in the treatment of endometriosis. Although there is a general lack of evidence from clinical studies on the potential efficacy of medicinal herbs for the treatment of endometriosis-associated symptoms, our review highlights the anti-inflammatory and pain-alleviating mechanisms of action of herbal remedies. Medicinal herbs and their active components exhibit cytokine-suppressive, COX-2-inhibiting, antioxidant, sedative and pain-alleviating properties. Each of these mechanisms of action would be predicted to have salutary effects in endometriosis. Better understanding of the mechanisms of action, toxicity and herb-herb and herb-drug interactions permits the optimization of design and execution of complementary alternative medicine trials for endometriosis-associated pain. A potential benefit of herbal therapy is the likelihood of synergistic interactions within individual or combinations of plants. In this sense, phytotherapies may be analogous to nutraceuticals or whole food nutrition. We encourage the development of herbal analogues and establishment of special, simplified registration procedures for certain medicinal products, particularly herbal derivates with a long tradition of safe use.
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Affiliation(s)
- Fritz Wieser
- Division of Gynecological Endocrinology and Reproductive Medicine, University of Vienna, 1090 Vienna, Austria.
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Guh JY, Chen HC, Tsai JF, Chuang LY. Herbal Therapy Is Associated With the Risk of CKD in Adults Not Using Analgesics in Taiwan. Am J Kidney Dis 2007; 49:626-33. [PMID: 17472844 DOI: 10.1053/j.ajkd.2007.02.259] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2006] [Accepted: 02/13/2007] [Indexed: 11/11/2022]
Abstract
BACKGROUND Taiwan has the greatest incidence rate of end-stage renal disease in the world. Several cases of Chinese herb nephropathy were reported in Taiwan. Therefore, we studied the association between herbal therapy and chronic kidney disease (CKD) in Taiwan. STUDY DESIGN Cross-sectional survey. SETTING & PARTICIPANTS 1,740 adults in the Nutrition and Health Survey in Taiwan (1993 to 1996). PREDICTOR Herbal and analgesic therapy. OUTCOMES & MEASUREMENTS CKD after adjustment for potential confounding variables. RESULTS Among medication users, prevalences of herbal therapy and analgesic use were 21.6% and 13.2%, respectively. The prevalence of CKD was 9.9%. Participants with CKD were older and had more analgesic use, diabetes, hypertension, and cardiovascular disease. Analgesic use was associated independently and positively with CKD (odds ratio, 2.2; 95% confidence interval, 1.4 to 3.5; P = 0.003) and CKD stage (odds ratio, 2.3; 95% confidence interval, 1.4 to 3.6; P = 0.003). Conversely, herbal therapy was associated independently and positively with CKD (odds ratio, 1.39; 95% confidence interval, 1.2 to 1.7; P = 0.002) and CKD stage (odds ratio, 1.38; 95% confidence interval, 1.1 to 1.7; P = 0.004) only in participants who did not use analgesics. LIMITATIONS Because this was a cross-sectional study, cause and effect could not be ascertained. CONCLUSIONS Herbal therapy was associated with CKD in adults in Taiwan who did not use analgesics.
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Affiliation(s)
- Jinn-Yuh Guh
- Department of Internal Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Huang Q, Lu G, Shen HM, Chung MCM, Ong CN. Anti-cancer properties of anthraquinones from rhubarb. Med Res Rev 2007; 27:609-30. [PMID: 17022020 DOI: 10.1002/med.20094] [Citation(s) in RCA: 393] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Rhubarb has been used as a traditional Chinese medicine since ancient times and today it is still present in various herbal preparations. In this review the toxicological and anti-neoplastic potentials of the main anthraquinones from Rhubarb, Rheum palmatum, will be highlighted. It is interesting to note that although the chemical structures of various anthraquinones in this plant are similar, their bioactivities are rather different. The most abundant anthraquinone of rhubarb, emodin, was capable of inhibiting cellular proliferation, induction of apoptosis, and prevention of metastasis. These capabilities are reported to act through tyrosine kinases, phosphoinositol 3-kinase (PI3K), protein kinase C (PKC), NF-kappa B (NF-kappaB), and mitogen-activated protein kinase (MAPK) signaling cascades. Aloe-emodin is another major component in rhubarb found to have anti-tumor properties. Its anti-proliferative property has been demonstrated to be through the p53 and its downstream p21 pathway. Our recent proteomic study also suggests that the molecular targets of these two anthraquinones are different. However, both components were found to be able to potentiate the anti-proliferation of various chemotherapeutic agents. Rhein is the other major rhubarb anthraquinone, although less well studied. This compound could effectively inhibit the uptake of glucose in tumor cells, caused changes in membrane-associated functions and led to cell death. Interestingly, all three major rhubarb anthraquinones were reported to have in vitro phototoxic. This re-evaluation of an old remedy suggests that several bioactive anthraquinones of rhubarb possess promising anti-cancer properties and could have a broad therapeutic potential.
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Affiliation(s)
- Qing Huang
- Department of Community, Occupational and Family Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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Zih-Perényi K, Lásztity A, Pusztai S. Study of interference of pharmaceuticals with complexing characteristics in solid phase microextraction of lead on chelating celluloses. Microchem J 2007. [DOI: 10.1016/j.microc.2006.04.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sun D, Feng J, Dai C, Sun L, Jin T, Ma J, Wang L. Role of peritubular capillary loss and hypoxia in progressive tubulointerstitial fibrosis in a rat model of aristolochic acid nephropathy. Am J Nephrol 2006; 26:363-71. [PMID: 16873992 DOI: 10.1159/000094778] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2006] [Accepted: 06/16/2006] [Indexed: 12/25/2022]
Abstract
BACKGROUND/AIMS To investigate the effects of peritubular capillary (PTC) loss and hypoxia on the progression of tubulointerstitial fibrosis in a rat model of aristolochic acid nephropathy (AAN). METHODS Female Wistar rats received Caulis aristolochiae manshuriensis (CAM) decoction by gavage for 8 weeks, and were sacrificed at 8, 12 and 16 weeks, respectively, after administration. Blood urea nitrogen (BUN), serum creatinine (Scr) and urinary protein were monitored prior to sacrifice. PTC loss and tubulointerstitial hypoxia were assessed by CD34 immunostaining and hypoxia-inducible factor-alpha subunit 1 (HIF-1alpha) expression, respectively. Myofibroblasts were assessed by alpha-smooth muscle actin (alpha-SMA) expression. The expression of angiogenic factor was assessed by vascular endothelial growth factor (VEGF). RESULTS AAN rats differed from controls by increased BUN, Scr and 24-hour urinary protein excretion rates. There was a progressive loss of PTCs in the AAN model, which was associated with the decreased expression of VEGF. A significant increase in nuclear localization of HIF-1alpha was seen 16 weeks after treatment with CAM decoction in the context of severe tubulointerstitial damage. Multifocal tubulointerstitial fibrosis was seen in AAN rats at weeks 12 and 16, predominantly in the area of the outer stripe and outer medulla. No significant pathologic changes were found in control rats. CONCLUSION Following the reduction of PTCs density and up-regulation of HIF-1alpha, the tubulointerstitial fibrosis area increased. Ischemia and hypoxia are the important causes of severe tubulointerstitial fibrosis in AAN rats.
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Affiliation(s)
- Dong Sun
- Department of Nephrology, First Affiliated Hospital of China Medical University, Shenyang City, Liaoning Province, PR China
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Nnorom I, . OO, . CE. Evaluation of Human Exposure to Lead and Cadmium from Some Local Nigerian Medicinal Preparations. ACTA ACUST UNITED AC 2006. [DOI: 10.3923/jas.2006.2907.2911] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Wojcikowski K, Johnson DW, Gobe G. Herbs or natural substances as complementary therapies for chronic kidney disease: ideas for future studies. ACTA ACUST UNITED AC 2006; 147:160-6. [PMID: 16581343 DOI: 10.1016/j.lab.2005.11.011] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2005] [Revised: 11/09/2005] [Accepted: 11/09/2005] [Indexed: 02/01/2023]
Abstract
Chronic kidney disease (CKD) is an increasingly common condition with limited treatment options that is placing a major financial and emotional burden on the community. The use of complementary and alternative medicines (CAMS) has increased many-fold over the past decade. Although several compelling studies show renal toxicities and an adverse outcome from use of some CAMS, there is also emerging evidence in the literature that some may be renoprotective. Many nephrologists are unaware of these potential therapeutic benefits in treating CKD, or they are reluctant to consider them in research trials for fear of adverse effects (including nephrotoxicity) or deleterious interaction with co-prescribed, conventional medicines. The increased use of self-prescribed CAMS by their patients suggests that practitioners and researchers should keep abreast of the current information on these agents. A primary goal of this article was to review the available scientific evidence for the use of herbs or natural substances as a complementary treatment for patients with CKD. A further goal was to report the literature on herbs that have been reported to cause kidney failure.
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Affiliation(s)
- Ken Wojcikowski
- School of Medicine, University of Queensland, Brisbane, Queensland, Australia
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Koh HL, Wang H, Zhou S, Chan E, Woo SO. Detection of aristolochic acid I, tetrandrine and fangchinoline in medicinal plants by high performance liquid chromatography and liquid chromatography/mass spectrometry. J Pharm Biomed Anal 2006; 40:653-61. [PMID: 16168604 DOI: 10.1016/j.jpba.2005.08.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2005] [Revised: 08/05/2005] [Accepted: 08/10/2005] [Indexed: 02/02/2023]
Abstract
Problems with identification and labeling of medicinal plants, as well as substitution/adulteration of non-toxic plants by toxic ones have previously led to cancer, renal failure and even deaths. The non-toxic Stephania tetrandra (Fangji) has been known to be substituted by Aristolochia fangchi (Guang fangji), which contains the nephrotoxic and carcinogenic aristolochic acid (AA). In this study, 10 samples of "Fangji" were bought from local medicinal shops. HPLC-DAD chromatographic fingerprints of each methanol extract were compared with those of A. fangchi and S. tetrandra, using aristolochic acid I (AAI), tetrandrine and fangchinoline as marker compounds. Nine of the samples were found to be similar to A. fangchi. The presence of AAI in the nine samples was confirmed using LC-MS/MS. Neither tetrandrine nor fangchinoline were detected in these samples. The methods developed in this study allow the simultaneous detection of AAI, fangchinoline and tetrandrine. The results suggest possible substitution of S. tetrandra by A. fangchi at wholesale or retail level. This study highlights the importance of greater control of medicinal plants with toxic components as these may still be readily accessible to the public.
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Affiliation(s)
- H L Koh
- Department of Pharmacy, Faculty of Science, National University of Singapore 18 Science Drive 4, Singapore 117543, Singapore.
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Dembitsky VM. Astonishing diversity of natural surfactants: 5. Biologically active glycosides of aromatic metabolites. Lipids 2005; 40:869-900. [PMID: 16329462 DOI: 10.1007/s11745-005-1449-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
This review article presents 342 aromatic glycosides, isolated from and identified in plants and microorganisms, that demonstrate different biological activities. They are of great interest, especially for the medicinal and/or pharmaceutical industries. These biologically active natural surfactants are good prospects for the future chemical preparation of compounds useful as antioxidant, anticancer, antimicrobial, and antibacterial agents. These glycosidic compounds have been classified into several groups, including simple aromatic compounds, stilbenes, phenylethanoids, phenylpropanoids, naphthalene derivatives, and anthracene derivatives.
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Affiliation(s)
- Valery M Dembitsky
- Department of Organic Chemistry and School of Pharmacy, Hebrew University, Jerusalem, Israel.
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Babu KM, McCormick MA, Bird SB. Pediatric Dietary Supplement Use—An Update. CLINICAL PEDIATRIC EMERGENCY MEDICINE 2005. [DOI: 10.1016/j.cpem.2005.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Elvin-Lewis M. Safety issues associated with herbal ingredients. ADVANCES IN FOOD AND NUTRITION RESEARCH 2005; 50:219-313. [PMID: 16263432 DOI: 10.1016/s1043-4526(05)50007-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Affiliation(s)
- Memory Elvin-Lewis
- Department of Biology, Washington University, St. Louis, Missouri 63130, USA
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Wojcikowski K, Johnson DW, Gobé G. Medicinal herbal extracts - renal friend or foe? Part two: Herbal extracts with potential renal benefits. Nephrology (Carlton) 2004; 9:400-5. [PMID: 15663644 DOI: 10.1111/j.1440-1797.2004.00355.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
In this second of two articles regarding the renal toxicities or benefits of medicinal herbs, herbs are reported as being 'potentially beneficial' to the kidneys if there is strong in vivo evidence of renal protection from toxic substances or drugs; potent, specific renal anti-oxidant effects; in vivo cancer antiproliferative effects specific to the kidneys; or in vivo evidence of being beneficial in renal disease or failure. Among the herbs, polyherbal formulae and fungi with potential renal benefits are Cordyceps sinensis, Sairei-to, Rheum spp., Salvia miltiorrhiza and its component, magnesium lithospermate B and others.
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Affiliation(s)
- Ken Wojcikowski
- School of Medicine, University of Queensland, Brisbane, Queensland, Australia.
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