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Sethi J, Anandh U, Jha V. Nature's Cure or Kidney Curse? The Nephrotoxic Potential of Indigenous Remedies. Indian J Nephrol 2025; 35:335-342. [PMID: 40352902 PMCID: PMC12065597 DOI: 10.25259/ijn_321_2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Accepted: 08/30/2024] [Indexed: 05/14/2025] Open
Abstract
Traditional medicine refers to a diverse range of health and healing practices used by Indigenous peoples that incorporate plants, animals, and the spiritual realm for the diagnosis and treatment of illness or maintenance of health and well-being. While these practices hold significant cultural value, there is growing evidence of potential nephrotoxicity associated with some traditional indigenous medicines (TIMs). In this review, we explore the various clinical manifestations of nephrotoxicity induced by TIMs. Nephrotoxicity can result from various factors, including the intrinsic toxicity of certain herbs, contamination with heavy metals, inappropriate dosages, and interaction with conventional medications. This review highlights the importance of monitoring kidney function in patients using TIMs and calls for increased awareness and regulation to ensure the safe use of these traditional therapies.
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Affiliation(s)
- Jasmine Sethi
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Urmila Anandh
- Department of Nephrology, Amrita Institute of Medical Sciences and Research Centre, Faridabad, India
| | - Vivekanand Jha
- Executive Director, George Institute for Global Health, UNSW, New Delhi, Delhi, India
- Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, India
- School of Public Health, Imperial College, London, UK
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Dosu A, Gupta M, Walsh O, Makan J. Thyrotoxic Periodic Paralysis: Case Presentation With Tetraparesis and Cardiac Dysrhythmia. Cureus 2022; 14:e29759. [DOI: 10.7759/cureus.29759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2022] [Indexed: 11/05/2022] Open
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Kojima A, Sato Y, Nishijima C, Umegaki K, Chiba T. Systematic Review of Case Reports on the Adverse Events Due to Health Food Intake by Cancer Patients. YAKUGAKU ZASSHI 2019; 139:1333-1347. [DOI: 10.1248/yakushi.19-00116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ayako Kojima
- National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition
| | - Yoko Sato
- National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition
| | - Chiharu Nishijima
- National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition
| | - Keizo Umegaki
- Department of Food Safety and Management, Showa Women's University
| | - Tsuyoshi Chiba
- National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition
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Wardle J(JL, Adams J. Indirect and non-health risks associated with complementary and alternative medicine use: An integrative review. Eur J Integr Med 2014. [DOI: 10.1016/j.eujim.2014.01.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Mohs AL. Hypokaliémie sévère par intoxication à l’Antésite. ANNALES FRANCAISES DE MEDECINE D URGENCE 2013. [DOI: 10.1007/s13341-013-0315-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lee E, Son JE, Byun S, Lee SJ, Kim YA, Liu K, Kim J, Lim SS, Park JHY, Dong Z, Lee KW, Lee HJ. CDK2 and mTOR are direct molecular targets of isoangustone A in the suppression of human prostate cancer cell growth. Toxicol Appl Pharmacol 2013; 272:12-20. [PMID: 23707764 DOI: 10.1016/j.taap.2013.04.030] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Revised: 04/15/2013] [Accepted: 04/16/2013] [Indexed: 01/06/2023]
Abstract
Licorice extract which is used as a natural sweetener has been shown to possess inhibitory effects against prostate cancer, but the mechanisms responsible are poorly understood. Here, we report a compound, isoangustone A (IAA) in licorice that potently suppresses the growth of aggressive prostate cancer and sought to clarify its mechanism of action. We analyzed its inhibitory effects on the growth of PTEN-deleted human prostate cancer cells, in vitro and in vivo. Administration of IAA significantly attenuated the growth of prostate cancer cell cultures and xenograft tumors. These effects were found to be attributable to inhibition of the G1/S phase cell cycle transition and the accumulation of p27(kip1). The elevated p27(kip1) expression levels were concurrent with the decrease of its phosphorylation at threonine 187 through suppression of CDK2 kinase activity and the reduced phosphorylation of Akt at Serine 473 by diminishing the kinase activity of the mammalian target of rapamycin (mTOR). Further analysis using recombinant proteins and immunoprecipitated cell lysates determined that IAA exerts suppressive effects against CDK2 and mTOR kinase activity by direct binding with both proteins. These findings suggested that the licorice compound IAA is a potent molecular inhibitor of CDK2 and mTOR, with strong implications for the treatment of prostate cancer. Thus, licorice-derived extracts with high IAA content warrant further clinical investigation for nutritional sources for prostate cancer patients.
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Affiliation(s)
- Eunjung Lee
- WCU Biomodulation Major, Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul 151-921, Republic of Korea
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Sweet ES, Standish LJ, Goff BA, Andersen MR. Adverse events associated with complementary and alternative medicine use in ovarian cancer patients. Integr Cancer Ther 2013; 12:508-16. [PMID: 23625025 DOI: 10.1177/1534735413485815] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Many women with ovarian cancer are choosing to include complementary and alternative medicine (CAM) substances in conjunction with their conventional treatment for ovarian cancer. Many oncologists express concern that the adjunct use of CAM substances may be detrimental to the achievement of therapeutic levels of chemotherapy leading to increases in drug toxicity, under-treatment of disease or other adverse events. In an effort to ascertain the extent of the potential problem with simultaneous use of CAM with conventional treatment we undertook comprehensive systematic review of published case reports describing CAM-related adverse events among ovarian cancer patients. STUDY DESIGN This article describes a systematic literature review. METHODS The Natural Medicines Comprehensive Database (NMCD). PubMed, EMBASE® and the Cochrane Central Register of Controlled Trials (CCTR) were systematically reviewed for research articles pertaining to case reports describing adverse events in patients, and clinical trials which examined the effects of herbs and supplements used during cancer treatment. RESULTS Only one case report and one clinical trial were identified which met our inclusion criteria and were relevant to the current investigation. CONCLUSION Although there are concerns about the potential for adverse events related to concurrent use of CAM substances during conventional treatment we found few case reports and clinical trials in the literature which support this.
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Ma L, Zhang X, Chen H. TWIK-1 two-pore domain potassium channels change ion selectivity and conduct inward leak sodium currents in hypokalemia. Sci Signal 2011; 4:ra37. [PMID: 21653227 DOI: 10.1126/scisignal.2001726] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Background potassium (K+) channels, which are normally selectively permeable to K+, maintain the cardiac resting membrane potential at around -80 mV. In subphysiological extracellular K+ concentrations ([K+]o), which occur in pathological hypokalemia, the resting membrane potential of human cardiomyocytes can depolarize to around -50 mV, whereas rat and mouse cardiomyocytes become hyperpolarized, consistent with the Nernst equation for K+. This paradoxical depolarization of cardiomyocytes in subphysiological [K+]o, which may contribute to cardiac arrhythmias, is thought to involve an inward leak sodium (Na+) current. Here, we show that human cardiac TWIK-1 (also known as K2P1) two-pore domain K+ channels change ion selectivity, becoming permeable to external Na+, and conduct inward leak Na+ currents in subphysiological [K+]o. A specific threonine residue (Thr118) within the pore selectivity sequence TxGYG was required for this altered ion selectivity. Mouse cardiomyocyte-derived HL-1 cells exhibited paradoxical depolarization with ectopic expression of TWIK-1 channels, whereas TWIK-1 knockdown in human spherical primary cardiac myocytes eliminated paradoxical depolarization. These findings indicate that ion selectivity of TWIK-1 K+ channels changes during pathological hypokalemia, elucidate a molecular basis for inward leak Na+ currents that could trigger or contribute to cardiac paradoxical depolarization in lowered [K+]o, and identify a mechanism for regulating cardiac excitability.
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Affiliation(s)
- Liqun Ma
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
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Olaku O, White JD. Herbal therapy use by cancer patients: a literature review on case reports. Eur J Cancer 2011; 47:508-14. [PMID: 21185719 PMCID: PMC3057114 DOI: 10.1016/j.ejca.2010.11.018] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2010] [Revised: 11/10/2010] [Accepted: 11/23/2010] [Indexed: 02/06/2023]
Abstract
Complementary and alternative medicine use is common amongst cancer patients. In many surveys, herbal medicines are amongst the most commonly used group of treatments. Herbal remedies are believed by the general public to be safe, cause less side-effects and less likely to cause dependency. The authors performed a literature review to assess which herbal approaches have had associated cancer case reports and determine which of these have been studied in prospective research. Eighteen case reports of patients having apparent antitumour effects from herbal therapy and 21 case reports of toxic effects of herbs used by cancer patients were identified. Clinicaltrials.gov and MEDLINE (via PubMed) were searched for each of the herbal products identified in these reports. Clinical trials in cancer populations were identified for green tea extracts or compounds (n=34), phytoestrogens (n=27), mistletoe (n=8), Ganoderma lucidum (n=1), noni (n=1) and Silymarin (n=1). Daikenchuto, PC-SPES, Nyoshinsan/TJ and Saw palmetto have also been studied prospectively. In conclusion, some of the herbs with promising case report findings have undergone prospective clinical investigations but many others have either not yet been explored or the results have not been reported in English. Unconventional therapies, such as herbs and minerals, used in ancient medical traditions have led to the identification of active anticancer agents. Mechanisms to support prospective research with such approaches are discussed.
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Affiliation(s)
| | - Jeffrey D. White
- Office of Cancer Complementary and Alternative Medicine, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland 20892
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Seon MR, Lim SS, Choi HJ, Park SY, Cho HJ, Kim JK, Kim J, Kwon DY, Park JHY. Isoangustone A present in hexane/ethanol extract of Glycyrrhiza uralensis induces apoptosis in DU145 human prostate cancer cells via the activation of DR4 and intrinsic apoptosis pathway. Mol Nutr Food Res 2011; 54:1329-39. [PMID: 20229524 DOI: 10.1002/mnfr.200900260] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Glycyrrhiza uralensis (licorice) is one of the most frequently prescribed ingredients in Oriental medicine, and licorice extract has been shown to exert anti-carcinogenic effects. However, its use as a cancer chemopreventive agent is rather limited, due to the fact that its principal component, glycyrrhizin, is known to induce hypertension. This study determined the effects of a hexane/ethanol extract of G. uralensis (HEGU), which contains undetectable amounts of glycyrrhizin, on the apoptosis of androgen-insensitive DU145 cells. HEGU induced apoptosis and increased the levels of cleaved caspase-9, caspase-7, caspase-3 and poly (ADP-ribose) polymerase (PARP). HEGU also induced mitochondrial membrane depolarization and cytochrome c release to the cytosol. HEGU increased the levels of Fas, death receptor 4 (DR4), cleaved caspase-8, Mcl-1S, and truncated Bid proteins. A caspase-8 inhibitor suppressed HEGU-induced apoptosis. An active fraction of HEGU was separated via column chromatography and the structure of the active compound isoangustone A was identified via 1H-NMR and 13C-NMR. Isoangustone A increased apoptotic cells, the cleavage of PARP and caspases, and the levels of DR4 and Mcl-1S. Transfection with DR4 small interfering RNA attenuated HEGU- and isoangustone A-induced apoptosis. These results demonstrate that the activation of DR4 contributes to HEGU- and isoangustone A-induced apoptosis of DU145 cells.
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Affiliation(s)
- Mi Ra Seon
- Department of Food Science and Nutrition, Hallym University, Chuncheon, Republic of Korea
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Choi HJ, Seon MR, Lim SS, Kim JS, Chun HS, Park JHY. Hexane/ethanol extract of Glycyrrhiza uralensis licorice suppresses doxorubicin-induced apoptosis in H9c2 rat cardiac myoblasts. Exp Biol Med (Maywood) 2008; 233:1554-60. [PMID: 18849542 DOI: 10.3181/0807-rm-221] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Doxorubicin (DOX) is an anthracycline antibiotic, and has been recognized as one of the most effective anti-neoplastic agents in cancer chemotherapy. However, its usefulness is limited by its profound cardiotoxicity. Licorice is one of the most frequently prescribed agents in traditional herbal medicine, and is also employed as a natural sweetening additive. In traditional Chinese medicine, licorice root is added to a variety of herbal preparations to detoxify the effects of the other herbs in the preparation. In the present study, we explored the possibility that Glycyrrhiza uralensis licorice may alleviate DOX-induced cardiotoxicity. The hexane/ethanol extract of Glycyrrhiza uralensis (HEGU), which lacks glycyrrhizin, was prepared because glycyrrhizin intake has previously been reported to induce hypertension. In an effort to determine whether HEGU ameliorates DOX-induced cytotoxicity in H9c2 rat cardiac myoblasts, the cells were pretreated with 0-15 mg/L HEGU, then treated with doxorubicin. The pretreatment of cells with HEGU resulted in a significant mitigation of DOX-induced reductions in cell numbers (34 +/- 7%) and increases in apoptosis (53 +/- 1%). The Western blot analysis of cell lysates showed that HEGU suppressed DOX-induced increases in the levels of p53, phospho-p53 (Ser 15), and Bax. In addition, HEGU induced an increase in the levels of Bcl-xL, regardless of DOX-treatment. HEGU inhibited the DOX-induced cleavage of caspases 9, 3, and 7, as well as DOX-induced poly(ADP-ribose) polymerase cleavage. Furthermore, HEGU caused reductions in the viable cell numbers of HT-29 human colon cancer cells (IC50 = 10.7 +/- 0.3 mg/L), MDA-MB-231 human breast cancer cells (IC50 = 7.5 +/- 0.1 mg/L), and DU145 human prostate cancer cells (IC50 = 4.7 +/- 0.5 mg/L). HEGU augmented DOX-induced reductions in the viability of DU145 cells (15 +/- 1%). These results indicate that HEGU may potentially be an effective agent for the alleviation of DOX-induced cardiotoxicity.
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Affiliation(s)
- Hyun Ju Choi
- Department of Food Science and Nutrition, Hallym University, Chuncheon 200-702, South Korea
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Lin SH. A Practical and Pathophysiologic Approach to Hypokalemia. Int J Organ Transplant Med 2008. [DOI: 10.1016/s1561-5413(08)60014-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Abstract
CONTEXT Complementary and alternative medicine (herbal medicines) can affect laboratory test results by several mechanisms. OBJECTIVE In this review, published reports on effects of herbal remedies on abnormal laboratory test results are summarized and commented on. DATA SOURCES All published reports between 1980 and 2005 with the key words herbal remedies or alternative medicine and clinical laboratory test, clinical chemistry test, or drug-herb interaction were searched through Medline. The authors' own publications were also included. Important results were then synthesized. DATA SYNTHESIS Falsely elevated or falsely lowered digoxin levels may be encountered in a patient taking digoxin and the Chinese medicine Chan Su or Dan Shen, owing to direct interference of a component of Chinese medicine with the antibody used in an immunoassay. St John's wort, a popular herbal antidepressant, increases clearance of many drugs, and abnormally low cyclosporine, digoxin, theophylline, or protease inhibitor concentrations may be observed in a patient taking any of these drugs in combination with St John's wort. Abnormal laboratory results may also be encountered owing to altered pathophysiology. Kava-kava, chaparral, and germander cause liver toxicity, and elevated alanine aminotransferase, aspartate aminotransferase, and bilirubin concentrations may be observed in a healthy individual taking such herbal products. An herbal product may be contaminated with a Western drug, and an unexpected drug level (such as phenytoin in a patient who never took phenytoin but took a Chinese herb) may confuse the laboratory staff and the clinician. CONCLUSIONS Use of alternative medicines may significantly alter laboratory results, and communication among pathologists, clinical laboratory scientists, and physicians providing care to the patient is important in interpreting these results.
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Affiliation(s)
- Amitava Dasgupta
- Department of Pathology and Laboratory Medicine, University of Texas-Houston Medical School, Houston, TX 77030, USA.
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Abstract
Hypokalemic paralysis is a less recognized but reversible disorder in elderly patients. This report describes two elderly Chinese males (age 74 and 78 years) who had progressive muscle weakness and eventually paralysis. Physical examination showed symmetrical flaccid paralysis of extremities. Both had the major biochemical abnormality of profound hypokalemia (1.4 and 1.8 mmol/L) accompanied by high urine K+ excretion and hyperchloremic metabolic acidosis. A positive urine anion gap and alkaline urine pointed to the diagnosis of distal renal tubular acidosis. Large doses of potassium chloride supplementation were required to restore muscle strength. Pertinent investigations, including elevated titers of antinuclear antibody and rheumatoid factor, positive anti-Ro antibody, low serum C3 and C4 levels, and delayed saliva excretion on salivary scintigraphy suggested Sjögren syndrome. Despite the lack of sicca syndrome at the initial presentation, both had development of typical sicca syndrome and positive Schirmer test at the 5-month and 1-year follow-up, respectively. Potassium citrate supplement and prednisolone therapy completely corrected the hypokalemia and metabolic acidosis. Extraglandular involvement with distal renal tubular acidosis preceding the typical sicca syndrome may induce hypokalemic paralysis and unveil Sjögren syndrome in elderly males.
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Affiliation(s)
- Chih-Jen Cheng
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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