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Ismail Ahmed Ismail, Hanan A El-Bakry, Safaa S Soliman
Aging is associated with several biological, physiological, cellular and histological changes. In the present study, we investigated the effect of aging on different signaling pathways, including antioxidant system, apoptosis and immune status. Several natural products were used to ameliorate and block aging-related changes. Melatonin and turmeric have been known to ameliorate and decrease aging-related changes. However, the exact mechanism(s) of their action is not fully understood. In the present study, we tried to uncover the regulatory mechanism(s) by which melatonin and turmeric work against aging...
2018: International Journal of Physiology, Pathophysiology and Pharmacology
Jagdish Mahale, Lynne M Howells, Rajinder Singh, Robert G Britton, Hong Cai, Karen Brown
Curcumin, derived from turmeric, has been extensively investigated for its broad spectrum of biological activities. Previously reported HPLC-UV methods have focussed on analysis of the parent compound. Here, a sensitive HPLC-UV method was developed and partially validated, then used for the simultaneous determination of curcumin and its glucuronide and sulfate metabolites in plasma and lung tissue from mice. The assay was applied to an in vivo pharmacokinetic study comparing formulated curcumin (Meriva™) with standard curcumin...
May 9, 2018: Biomedical Chromatography: BMC
Marzena Wojcik, Michal Krawczyk, Pawel Wojcik, Katarzyna Cypryk, Lucyna Alicja Wozniak
The growing prevalence of age-related diseases, especially type 2 diabetes mellitus (T2DM) and cancer, has become global health and economic problems. Due to multifactorial nature of both diseases, their pathophysiology is not completely understood so far. Compelling evidence indicates that increased oxidative stress, resulting from an imbalance between production of reactive oxygen species (ROS) and their clearance by antioxidant defense mechanisms, as well as the proinflammatory state contributes to the development and progression of the diseases...
2018: Oxidative Medicine and Cellular Longevity
Chen Hongtao, Fan Youling, Huang Fang, Peng Huihua, Zhong Jiying, Zhou Jun
As a major cause of renal failure, transient renal ischemia and reperfusion induce both acute kidney injury and late fibrosis, which are the common pathological manifestations of end-stage renal disease. Curcumin is a biologically active polyphenolic compound found in turmeric. Increasing evidence has demonstrated that curcumin has a protective action against renal fibrosis, whereas mechanisms underlying the anti-fibrosis role of curcumin remain poorly defined. Here, we found that APPL1, an important intracellular binding partner for AdipoR, was involved in the pathogenesis of acute injury or fibrosis and was significantly upregulated by curcumin in a mouse model of ischemia reperfusion-induced late kidney fibrosis...
May 9, 2018: Journal of Cellular Physiology
Sandeep R Kunati, Shuming Yang, Basem M William, Yan Xu
Curcumin, a principal curcuminoid of turmeric, gained a lot of attention recently due to its wide spectrum of pharmacological activities in prevention and treatment of various human conditions. The current clinical study is focused on the determination of efficacy and tolerability of curcumin and vitamin D3 combination in patients with early-stage chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). To support this work, an LC-MS/MS method has been developed for simultaneous determination of curcumin and its metabolites, curcumin glucuronide (COG) and curcumin sulfate (COS), in human plasma using curcumin-d6 as an internal standard for curcumin and BPAG-d6 as an internal standard for COG and COS...
April 23, 2018: Journal of Pharmaceutical and Biomedical Analysis
U J Eke-Okoro, R B Raffa, J V Pergolizzi, F Breve, R Taylor
WHAT IS KNOWN AND OBJECTIVE: Current analgesic pharmacotherapy-opioids, non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen (paracetamol) and related drugs-is effective for acute pain, but their use is limited by adverse effects on the renal, hepatic, cardiovascular or gastrointestinal systems, or they have potential for abuse. Therefore, alternative options are desired. Compounds used in traditional medicine might offer such alternatives, but the evidence must be based on pharmacologic properties and on clinical trial data...
May 2, 2018: Journal of Clinical Pharmacy and Therapeutics
Chin-Chung Lin, Chao-Lin Kuo, Yi-Ping Huang, Cheng-Yen Chen, Ming-Jie Hsu, Yung Lin Chu, Fu-Shin Chueh, Jing-Gung Chung
BACKGROUND/AIM: Demethoxycurcumin (DMC), one of the curcuminoids present in turmeric, has been shown to induce cell death in many human cancer cell lines, however, there has not been any investigation on whether DMC inhibits metastatic activity in human cervical cancer cells in vitro. In the present study, DMC at 2.5-15 μM decreased cell number, thus, we used IC20 (7.5 μM) for further investigation of its anti-metastatic activity in human cervical cancer HeLa cells. MATERIALS AND METHODS: The wound healing, migration, invasion, zymography, and western blotting assays were used to investigate the effects of DMC on HeLa cells...
May 2018: Anticancer Research
(no author information available yet)
[This retracts the article on p. 871 in vol. 8, PMID: 29311914.].
2018: Frontiers in Pharmacology
F Bugli, M Cacaci, V Palmieri, R Di Santo, R Torelli, G Ciasca, M Di Vito, A Vitali, C Conti, M Sanguinetti, M De Spirito, M Papi
Methicillin-resistant Staphylococcus aureus (MRSA) is responsible for serious hospital infections worldwide and represents a global public health problem. Curcumin, the major constituent of turmeric, is effective against MRSA but only at cytotoxic concentrations or in combination with antibiotics. The major issue in curcumin-based therapies is the poor solubility of this hydrophobic compound and the cytotoxicity at high doses. In this paper, we describe the efficacy of a composite nanoparticle made of curcumin (CU) and graphene oxide (GO), hereafter GOCU, in MRSA infection treatment...
June 6, 2018: Interface Focus
Leila Hamzehzadeh, Stephen L Atkin, Muhammed Majeed, Alexandra E Butler, Amirhossein Sahebkar
Despite significant advances in treatment modalities, millions of cancer-related deaths continue to occur annually, often as a consequence of developing resistance against the range of available chemotherapeutic drugs. Furthermore, available anti-cancer chemotherapeutic agents show limited efficacy, often have severe side effects, and are expensive. Thus, the discovery of pharmacological agents that do not have these disadvantages is necessary. Curcumin, a polyphenolic compound derived from turmeric (Curcumin longa L...
April 25, 2018: Journal of Cellular Physiology
Junjun Wang, Xuejin Yu, Ling Zhang, Ling Wang, Zhihong Peng, Yong Chen
Curcumin (CUR) is the major active component of turmeric and plays an important role in the prevention and treatment of many chronic diseases such as respiratory, neurodegenerative disease and so on. In the present work, a rapid and simple LC-MS/MS method was developed to investigate the pharmacokinetics and tissue distribution of CUR and its metabolites in mice after intravenous administration of CUR (20 mg/kg). The results showed that the AUC0-∞ were 107.0 ± 18.3, 6.0 ± 1.2 and 12.0 ± 4.0 (mg/L)·min, and the t1/2z were 32...
April 24, 2018: Biomedical Chromatography: BMC
Young-Il Hahn, Su-Jung Kim, Bu-Young Choi, Kyung-Cho Cho, Raju Bandu, Kwang Pyo Kim, Do-Hee Kim, Wonki Kim, Joon Sung Park, Byung Woo Han, Jeewoo Lee, Hye-Kyung Na, Young-Nam Cha, Young-Joon Surh
Signal transducer and activator of transcription 3 (STAT3) is a transcription factor that is latent but constitutively activated in many types of cancers. It is well known that STAT3 plays a key role in inflammation-associated tumorigenesis. Curcumin is an anti-inflammatory natural compound isolated from the turmeric (Curcuma longa L., Zingiberaceae) that has been extensively used in a traditional medicine over the centuries. In the present study, we have found that curcumin inhibits STAT3 signaling that is persistently overactivated in H-Ras transformed breast epithelial cells (H-Ras MCF10A)...
April 23, 2018: Scientific Reports
Marjana Rahman Sarker, Susan F Franks
Processes such as aberrant redox signaling and chronic low-grade systemic inflammation have been reported to modulate age-associated pathologies such as cognitive impairment. Curcumin, the primary therapeutic component of the Indian spice, Turmeric (Curcuma longa), has long been known for its strong anti-inflammatory and antioxidant activity attributable to its unique molecular structure. Recently, an interest in this polyphenol as a cognitive therapeutic for the elderly has emerged. The purpose of this paper is to critically review preclinical and clinical studies that have evaluated the efficacy of curcumin in ameliorating and preventing age-associated cognitive decline and address the translational progress of preclinical to clinical efficacy...
April 21, 2018: GeroScience
M B Anusha, Naveen Shivanna, G Phani Kumar, K R Anilakumar
The human body on exposure to high-altitude, undergoes many physiological challenges. The cardiopulmonary reserves are favoured against the digestive system. Hence, the efficiency of digestion is compromised to a great extent, which leads to anorexia, hypophagia, epigastralgia, dyspepsia, nausea, and peptic ulcers. The present study was focused on in vitro digestive influence of selected food ingredients viz. cardamom, carom, cumin, coriander, fennel, fenugreek, ginger, pepper, star anise, turmeric, papaya, orange, pineapple, liquorice, valerian, and tarragon on the activities of digestive enzymes of rat pancreas, duodenum, and small intestine...
May 2018: Journal of Food Science and Technology
Jui Lodh, Kaushik Khamrui, Writdhama G Prasad
Adverse health effects of synthetic anti-oxidants have necessitated the use of natural anti-oxidants in food products. However, their incorporation may result into undesirable changes in physico-chemical and sensory attributes of the product. Hence, the present investigation was undertaken to prepare anti-oxidant rich ghee using curcumin (yellow pigment found in turmeric) as the natural anti-oxidant. Effects of varying curcumin levels (160-350 ppm), heating temperature (110-120 °C) and duration (16-22 min) on anti-oxidant, chemical and sensory attributes of ghee were studied...
May 2018: Journal of Food Science and Technology
Julia Christina Kuszewski, Rachel Heloise Xiwen Wong, Peter Ranald Charles Howe
The rate of cognitive decline in the elderly is highly variable. One potential factor contributing to accelerated cognitive decline is chronic systemic inflammation, because it has been linked to cognitive impairment and increased dementia risk. Certain lifestyle factors, such as excess body weight and sedentary behavior, can exacerbate a proinflammatory state in older adults, resulting in chronic low-grade inflammation. Supplementing the diet with curcumin, an anti-inflammatory polyphenolic compound from the curry spice turmeric, is a potential approach to prevent accelerated cognitive decline by counteracting chronic inflammatory processes...
March 1, 2018: Advances in Nutrition
Yu-Hsiu Yen, Chi-Ming Pu, Chen-Wei Liu, Ya-Chun Chen, Yu-Chen Chen, Chan-Jung Liang, Jung-Hsien Hsieh, Hui-Fu Huang, Yuh-Lien Chen
Curcumin, a constituent of the turmeric plant, has antitumor, anti-inflammatory, and antioxidative effects, but its effects on wound healing are unclear. We created back wounds in 72 mice and treated them with or without topical curcumin (0.2 mg/mL) in Pluronic F127 gel (20%) daily for 3, 5, 7, 9, and 12 days. Healing in wounds was evaluated from gross appearance, microscopically by haematoxylin and eosin staining, by immunohistochemistry for tumour necrosis factor alpha and alpha smooth muscle actin, and by polymerase chain reaction amplification of mRNA expression levels...
April 16, 2018: International Wound Journal
Álvaro Arango-Ruiz, Ángel Martin, María José Cosero, Claudio Jiménez, Julián Londoño
This study aims to develop a formulation of a turmeric-based dye extract using supercritical antisolvent (SAS) technology and different encapsulating polymers to improve the aqueous stability and solubility of curcumin. The dye formulation obtained by SAS consists of a mixture of Eudragit® L100 and Pluronic® 127 using tween 20 as a surfactant The characterization and quantification of curcumin extracts and the encapsulation product were conducted using high performance liquid chromatography (HPLC). The properties of the dye were determined using SEM, DSC, X-ray diffraction, particle size, zeta potential, and oxygen radical absorbance capacity (ORAC) to measure antioxidant capacity...
August 30, 2018: Food Chemistry
Carounanidy Usha, Sathyanarayanan Rama Rao, Geena Mary George
Introduction: Resin composite restorative materials can mimic the natural color and shade of the tooth. However, exogenous colorants from food and drinks can stain them due to adsorption. The influence of Indian food colorants and spices on resin composite restorations has not been evaluated extensively. Aim: This study aims to evaluate the staining capacity of microhybrid and nanohybrid resin-based composites, to saffron extract, tandoori powder, and turmeric powder...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Marília Cristina Santos de Medeiros, Jussara Cristina Alves Medeiros, Humberto Jefferson de Medeiros, José Carlos Gomes de Carvalho Leitão, Maria Irany Knackfuss
OBJECTIVE: The aim of this study was to evaluate the scientific evidence of dietary intervention, either through diet or supplementation, and its effects on the health of patients with systemic lupus erythematosus. METHODS: Literature searches were conducted using Scopus, PubMed, BioMed Central and Science Direct databases. The terms used for the search were diet, nutritional support, nutrition therapy and systemic lupus erythematosus. RESULTS: Eleven studies with interventions related to supplementation of omega-3 fatty acids, vitamin D and turmeric, as well as changes in diet composition, such as low glycaemic index diet were identified...
April 12, 2018: Critical Reviews in Food Science and Nutrition
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