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Capsaicin and cancer

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https://www.readbyqxmd.com/read/29258175/capsaicin-friend-or-foe-in-skin-cancer-and-other-related-malignancies
#1
REVIEW
Simona-Roxana Georgescu, Maria-Isabela Sârbu, Clara Matei, Mihaela Adriana Ilie, Constantin Caruntu, Carolina Constantin, Monica Neagu, Mircea Tampa
Capsaicin is the main pungent in chili peppers, one of the most commonly used spices in the world; its analgesic and anti-inflammatory properties have been proven in various cultures for centuries. It is a lipophilic substance belonging to the class of vanilloids and an agonist of the transient receptor potential vanilloid 1 receptor. Taking into consideration the complex neuro-immune impact of capsaicin and the potential link between inflammation and carcinogenesis, the effect of capsaicin on muco-cutaneous cancer has aroused a growing interest...
December 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29246887/anti-cancer-activity-of-natural-and-synthetic-capsaicin-analogs
#2
Jamie R Friedman, Nick A Nolan, Sarah L Miles, Kathleen C Brown, Austin T Akers, Kate W Colclough, Jessica W Seidler, John M Rimoldi, Monica A Valentovic, Piyali Dasgupta
The nutritional compound capsaicin is the major spicy ingredient of chili peppers. Although traditionally associated analgesic activity, recent studies have shown that capsaicin has profound anti-neoplastic effects in several types of human cancers. However, the applications of capsaicin as a clinically viable drug are limited by its unpleasant side effects like gastric irritation, stomach cramps and burning sensation. This has led to extensive research focused on the identification and rational design of a second generation of non-pungent capsaicin-analogs which will retain the biological activity of capsaicin...
December 15, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29188798/capsaicin-enhances-the-antitumor-activity-of-sorafenib-in-hepatocellular-carcinoma-cells-and-mouse-xenograft-tumors-through-increased-erk-signaling
#3
Su-Shan Zhang, Yu-Hao Ni, Chen-Ru Zhao, Zhen Qiao, Hong-Xia Yu, Lu-Yao Wang, Jin-Yan Sun, Chen Du, Jia-Hao Zhang, Li-Ying Dong, KeWei Wang, Jian-Jun Gao
Sorafenib, a small inhibitor of tyrosine protein kinases, is currently the standard chemotherapy drug for the treatment of advanced hepatocellular carcinoma (HCC). Although sorafenib improves the survival of HCC patients, its efficacy is not optimal and requires further improvement. Capsaicin, the major active component of chili peppers from the genus Capsicum, is not only the agonist of TRPV1 channel, but also displays antitumor activity and enhances the sensitivity of cancer cells to cytotoxic drugs. In this study, we investigated the antitumor effects of combined sorafenib and capsaicin on HCC cells in vitro and xenograft tumors...
November 30, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29185571/capsaicin-inhibits-the-metastasis-of-human-papillary-thyroid-carcinoma-bcpap-cells-through-the-modulation-of-the-trpv1-channel
#4
Shichen Xu, Li Zhang, Xian Cheng, Huixin Yu, Jiandong Bao, Rongrong Lu
Capsaicin (CAP), a potent transient receptor potential vanilloid type 1 (TRPV1) agonist, is a major ingredient of red pepper. Recently, capsaicin has attracted increasing attention owing to its multiple biological activities. However, the anticancer effects of capsaicin against various types of cancers, especially on thyroid carcinoma, have not been completely elucidated. TRPV1, which can be activated by capsaicin, plays a key role in many biological and physiological processes. In the present study, the anticancer properties of capsaicin against papillary thyroid cancer BCPAP cells were investigated...
November 29, 2017: Food & Function
https://www.readbyqxmd.com/read/29155087/capsaicin-reduces-genotoxicity-colonic-cell-proliferation-and-preneoplastic-lesions-induced-by-1-2-dimethylhydrazine-in-rats
#5
Brunno Felipe Ramos Caetano, Mariana Baptista Tablas, Natália Elias Ferreira Pereira, Nelci Antunes de Moura, Robson Francisco Carvalho, Maria Aparecida Marchesan Rodrigues, Luis Fernando Barbisan
Capsaicin (8-Methyl-N-vanillyl-(trans)-6-nonenamide) is the major pungent ingredient found in chili peppers consumed worldwide. Most reports on capsaicin potential carcinogenicity have yielded inconsistent findings. Some studies have shown that capsaicin exerts anti-proliferative and pro-apoptotic effects on different cancer cell lines, while others have reported an association between capsaicin at high doses with mutagenicity and carcinogenicity. Thus, this study aimed at assessing the effects of capsaicin administration on 1,2-dimethyl-hydrazine (DMH)-induced colon carcinogenesis in male Wistar rats...
November 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29100335/breast-cancer-induced-nociceptor-aberrant-growth-and-collateral-sensory-axonal-branching
#6
Matt Austin, Laura Elliott, Niovi Nicolaou, Anna Grabowska, Richard P Hulse
The tumour and neuron interaction has a significant impact upon disease progression and the patients quality of life. In breast cancer patients, it is known that there is an interaction between the tumour microenvironment and the sensory neurons to influence the progression of cancer as well as pain, though these mechanisms still need to be clearly defined. Here it is demonstrated that in a rodent orthotopic model of breast cancer (MDA MB 231) there was an increase in nerve fibre innervation into the tumour microenvironment (protein gene product 9...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29071457/evaluation-of-cebranopadol-a-dually-acting-nociceptin-orphanin-fq-and-opioid-receptor-agonist-in-mouse-models-of-acute-tonic-and-chemotherapy-induced-neuropathic-pain
#7
Kinga Sałat, Anna Furgała, Robert Sałat
BACKGROUND: Cebranopadol (a.k.a. GRT-6005) is a dually acting nociceptin/orphanin FQ and opioid receptor agonist that has been recently developed in Phase 2 clinical trials for painful diabetic neuropathy or cancer pain. It also showed analgesic properties in various rat models of pain and had a better safety profile as compared to equi-analgesic doses of morphine. Since antinociceptive properties of cebranopadol have been studied mainly in rat models, in the present study, we assessed analgesic activity of subcutaneous cebranopadol (10 mg/kg) in various mouse pain models...
October 25, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29048662/capsaicin-inhibits-proliferation-and-induces-apoptosis-in-osteosarcoma-cell-lines-via-the-mitogen%C3%A2-activated-protein-kinase-pathway
#8
Yuan Zhang, Xu Deng, Tao Lei, Chang Yu, Yang Wang, Guosheng Zhao, Xiaoji Luo, Ke Tang, Zhengxue Quan, Dianming Jiang
Capsaicin, a pungent molecular compound present in many hot peppers, exerts anticancer activities against various human cancer cell lines by inducing apoptosis. However, the effects of capsaicin on human osteosarcoma (OS) as well as the related mechanisms remain to be fully elucidated. In the present study, the anticancer effects of capsaicin on 3 human OS cell lines (MG63, 143B and HOS) were investigated. Various concentrations of capsaicin (50-300 µM) effectively decreased cell viability in all 3 OS cell lines in a dose-dependent manner...
September 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28899508/pellitorine-an-extract-of-tetradium-daniellii-is-an-antagonist-of-the-ion-channel-trpv1
#9
Zoltán Oláh, Dóra Rédei, László Pecze, Csaba Vizler, Katalin Jósvay, Péter Forgó, Zoltán Winter, György Dombi, Gerda Szakonyi, Judit Hohmann
BACKGROUND: Transient Receptor Potential Vanilloid 1 (TRPV1) confers noxious heat and inflammatory pain signals in the peripheral nervous system. Clinical trial of resiniferatoxin from Euphorbia species is successfully aimed at TRPV1 in cancer pain management and heading toward new selective painkiller status that further validates this target for drug discovery efforts. Evodia species, used in traditional medicine for hundreds of years, are a recognised source of different TRPV1 agonists, but no antagonist has yet been reported...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28841784/regulation-of-microrna-using-promising-dietary-phytochemicals-possible-preventive-and-treatment-option-of-malignant-mesothelioma
#10
REVIEW
Md Abu Sayeed, Massimo Bracci, Guendalina Lucarini, Raffaella Lazzarini, Roberto Di Primio, Lory Santarelli
Malignant mesothelioma (MM) is a very aggressive, lethal cancer, and its incidence is increasing worldwide. Development of multi-drug resistance, therapy related side-effects, and disease recurrence after therapy are the major problems for the successful treatment of MM. Emerging evidence indicates that dietary phytochemicals can exert anti-cancer activities by regulating microRNA expression. Until now, only one dietary phytochemical (ursolic acid) has been reported to have MM microRNA regulatory ability. A large number of dietary phytochemicals still remain to be tested...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28768483/live-cell-calcium-imaging-of-adherent-and-non-adherent-gl261-cells-reveals-phenotype-dependent-differences-in-drug-responses
#11
Averey D Strong, Richard L Daniels
BACKGROUND: The tumor-derived GL261 cell line is used as a model for studying glioblastoma and other high-grade gliomas, and can be cultured adherently or as free-floating aggregates known as neurospheres. These different culture conditions give rise to distinct phenotypes, with increased tumorigenicity displayed by neurosphere-cultured cells. An important technique for understanding GL261 pathobiology is live cell fluorescent imaging of intracellular calcium. However, live cell imaging of GL261 neurospheres presents a technical challenge, as experimental manipulations where drugs are added to the extracellular media cause the cells to move during analysis...
August 2, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28734166/naturally-occurring-immunomodulators-with-antitumor-activity-an-insight-on-their-mechanisms-of-action
#12
REVIEW
Shimaa Ibrahim Abdelmonym Mohamed, Ibrahim Jantan, Md Areeful Haque
Natural products with immunomodulatory activity are widely used in treatment of many diseases including autoimmune diseases, inflammatory disorders in addition to cancer. They gained a great interest in the last decades as therapeutic agents since they provide inexpensive and less toxic products than the synthetic chemotherapeutic agents. Immunomodulators are the agents that have the ability to boost or suppress the host defense response that can be used as a prophylaxis as well as in combination with other therapeutic modalities...
September 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28644386/capsaicin-induces-autophagy-and-apoptosis-in-human-nasopharyngeal-carcinoma-cells-by-downregulating-the-pi3k-akt-mtor-pathway
#13
Yu-Tsai Lin, Hung-Chen Wang, Yi-Chiang Hsu, Chung-Lung Cho, Ming-Yu Yang, Chih-Yen Chien
Capsaicin is a potential chemotherapeutic agent for different human cancers. In Southeast China, nasopharyngeal carcinoma (NPC) has the highest incidence of all cancers, but final treatment outcomes are unsatisfactory. However, there is a lack of information regarding the anticancer activity of capsaicin in NPC cells, and its effects on the signaling transduction pathways related to apoptosis and autophagy remain unclear. In the present study, the precise mechanisms by which capsaicin exerts anti-proliferative effects, cell cycle arrest, autophagy and apoptosis were investigated in NPC-TW01 cells...
June 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28640864/targeting-breast-cancer-cells-by-mrs1477-a-positive-allosteric-modulator-of-trpv1-channels
#14
Mustafa Nazıroğlu, Bilal Çiğ, Walter Blum, Csaba Vizler, Andrea Buhala, Annamária Marton, Róbert Katona, Katalin Jósvay, Beat Schwaller, Zoltán Oláh, László Pecze
There is convincing epidemiological and experimental evidence that capsaicin, a potent natural transient receptor potential cation channel vanilloid member 1 (TRPV1) agonist, has anticancer activity. However, capsaicin cannot be given systemically in large doses, because of its induction of acute pain and neurological inflammation. MRS1477, a dihydropyridine derivative acts as a positive allosteric modulator of TRPV1, if added together with capsaicin, but is ineffective, if given alone. Addition of MRS1477 evoked Ca2+ signals in MCF7 breast cancer cells, but not in primary breast epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28598691/development-of-68-ga-scn-dota-capsaicin-as-an-imaging-agent-targeting-apoptosis-and-cell-cycle-arrest-in-breast-cancer
#15
Jun Young Lee, Sang-Yeun Lee, Gun Gyun Kim, Min Goo Hur, Seung Dae Yang, Jeong-Hoon Park, Sang Wook Kim
(68)Ga-labeled capsaicin using a DOTA (1,4,7,10-tetraazocyclododecane-N,N',N″,N'″-tetraacetic acid) derivative [(68)Ga-SCN-Benzyl(Bn)-DOTA-capsaicin] was studied for the diagnosis of breast cancers, such as MCF-7 and SK-BR-3. The standard compound, (69)Ga-SCN-Bn-DOTA-capsaicin, was also prepared and characterized by spectroscopic analysis. The binding affinity of (68)Ga-SCN-Bn-DOTA-capsaicin was evaluated by using breast cancer cell lines (MCF-7, SK-BR-3) and colon cancer cell (CT-26); the biodistribution was carried out by using MCF-7-bearing nude mice, after which the positron emission tomography (PET) images were obtained at different time intervals (15-120 minutes)...
June 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28526335/the-spider-toxin-ph%C3%AE-1%C3%AE-recombinant-possesses-strong-analgesic-activity
#16
Flavia Karine Rigo, Gabriela Trevisan, Samira Dal-Toé De Prá, Marta Nascimento Cordeiro, Marcia Helena Borges, Juliana Figueiredo Silva, Flavia Viana Santa Cecilia, Alessandra Hubner de Souza, Gabriela de Oliveira Adamante, Alessandra Marcon Milioli, Célio José de Castro Junior, Juliano Ferreira, Marcus Vinicius Gomez
The native Phα1β - a Voltage-Gated Calcium Channel (VGCC) blocker - and its Recombinant Version - were both tested in rodent pain models with an intraplantar injections of capsaicin or formalin, a chronic constriction injury, and melanoma cancer related pain. The formalin nociceptive behaviour in the neurogenic phase was not affected by the toxin pre-treatments, while in the inflammatory phase, Phα1β and the Recombinant form caused a significant reduction. The nociception that was triggered by capsaicin, an agonist of the TRPV1 vanilloid receptor, was totally blocked by 100 pmol/site, i...
July 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28525949/capsaicin-loaded-folic-acid-conjugated-lipid-nanoparticles-for-enhanced-therapeutic-efficacy-in-ovarian-cancers
#17
Lin Lv, Yu-Xin Zhuang, Hui-Wu Zhang, Nan-Nan Tian, Wen-Zhen Dang, Shao-Yu Wu
In this study, folic acid-conjugated lipid nanoparticles were successfully prepared to enhance the active targeting of capsaicin (CAP) in ovarian cancers. The particles were nanosized and exhibited a controlled release of drug in the physiological conditions. The folic acid (FA)-conjugated system exhibited a remarkably higher uptake of nanoparticles in the cancer cells compared to that of non-targeted system. The folate-conjugated CAP-loaded lipid nanoparticles (CFLN) upon interacting with cancer cells were internalized via receptor-mediated endocytosis mechanism and resulted in higher concentration in the cancer cells...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28460372/the-role-of-topiceuticals-in-cancer-pain
#18
Peter Paisley, Michael Serpell
PURPOSE OF REVIEW: Pain is one of the most common and feared symptoms associated with a new diagnosis of cancer and its subsequent treatment. Unfortunately, it remains undertreated in around one third of patients. It has been recently postulated that one mechanism for this could be failure to recognize neuropathic pain. One attractive option in both the case of neuropathic pain and pain associated with intolerable side effects of prescribed opioids is the use of 'topiceuticals', as a means of targeted pain relief with potentially fewer side effects...
June 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28435977/-inhibitory-effects-of-capsaicin-on-migration-and-invasion-of-breast-cancer-mda-mb-231-cells-and-its-mechanism
#19
Bai-He Li, Lei Yuan
The aim of this study was to investigate the effects of capsaicin on migration and invasion of breast cancer MDA-MB-231 cells and its possible mechanism. The MDA-MB-231 cells were incubated in the medium containing different concentrations of capsaicin for 24 h. CCK-8 assay was employed to detect the cell viability. The cell migration and invasion were assessed by wound healing assay and transwell invasion assay, respectively. The protein levels of c-Src, p-c-Src (Tyr416), FAK, p-FAK (Tyr576), Paxillin, p-Paxillin (Tyr118), matrix metalloproteinase 2 (MMP2) and MMP9 in the MDA-MB-231 cells were detected by Western blotting...
April 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28230360/capsaicin-reduces-blood-glucose-by-increasing-insulin-levels-and-glycogen-content-better-than-capsiate-in-streptozotocin-induced-diabetic-rats
#20
COMPARATIVE STUDY
Shiqi Zhang, Xiaohan Ma, Lei Zhang, Hui Sun, Xiong Liu
Chili peppers exhibit antiobesity, anticancer, antidiabetic, and pain- and itch-relieving effects on animals and humans; these effects are due to capsaicin, which is the main pungent and biologically active component of pepper. Capsiate, a nonpungent capsaicin analogue, is similar to capsaicin in terms of structure and biological activity. In this study, we investigated whether capsaicin and capsiate exhibit the same hypoglycemic effects on rats with type 1 diabetes (T1D). Experimental rats were categorized into four groups: control, model, capsaicin, and capsiate groups...
March 22, 2017: Journal of Agricultural and Food Chemistry
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