Medical Forum / Diseases and Disorders / Cancer / April 2008
Pancreatic Cancer
|
|
Thread rating:  |
ironjustice@aol.com - 14 Apr 2008 03:53 GMT Carcinogenesis Advance Access published online on June 15, 2005 Carcinogenesis, doi:10.1093/carcin/bgi157
MOLECULAR EPIDEMIOLOGY AND CANCER PREVENTION
Lupeol, a fruit and vegetable based triterpene, induces apoptotic death of human pancreatic adenocarcinoma cells via inhibition of Ras signaling pathway Mohammad Saleem 1, Satwinderjeet Kaur 1, Mee-Hyang Kweon 1, Vaqar Mustafa Adhami 1, Farrukh Afaq 1, and Hasan Mukhtar 1* 1 Department of Dermatology, University of Wisconsin, Madison, WI, USA
* To whom correspondence should be addressed. Hasan Mukhtar, E-mail: hmukhtar@wisc.edu
Abstract
Pancreatic cancer is an exceptionally aggressive disease, the treatment of which has largely been unsuccessful due to higher resistance offered by pancreatic cancer cells to conventional approaches such as surgery, radiation and/or chemotherapy. The aberration of Ras oncoprotein has been linked to the induction of multiple signaling pathways and to the resistance offered by pancreatic cancer cells to the apoptosis. Therefore, there is a need for development of new and effective chemotherapeutic agents which can target multiple pathways to induce responsiveness of pancreatic cancer cells to death signals. In this study, human pancreatic adenocarcinoma cells AsPC-1 were used to investigate the effect of Lupeol on cell growth and its effects on the modulation of multiple Ras-induced signaling pathways. Lupeol caused a dose-dependent inhibition of cell growth as assessed by MTT assay and induction of apoptosis as assessed by flow cytometry, fluorescence microscopy and western blotting. Lupeol treatment to cells was found to significantly reduce the expression of Ras oncoprotein and modulate the protein expression of various signaling molecules involved in PKC/ODC, PI3K/Akt and MAPKs pathways along with a significant reduction in the activation of NFB signaling pathway. Our data suggests that Lupeol can adopt a multi- prong strategy to target multiple signaling pathways leading to induction of apoptosis and inhibition of growth of pancreatic cancer cells. Lupeol could be a potential agent against pancreatic cancer however, further in-depth in vivo studies are warranted.
Keywords: Lupeol; Ras; ODC; PKC; NFB; Pancreatic cancer; chemoprevention. © The Author 2005. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oupjournals.org Received April 12, 2005 Revised May 26, 2005 Accepted June 7, 2005
--------------------------------------------------------------------------------
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
ironjustice@aol.com - 14 Apr 2008 03:57 GMT On Apr 13, 7:53 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote:lupeol <<
Sooo .. I wonder if the absorption of this is enhanced when one takes oil with it .. ?
Clinical Cancer Research 14, 2119-2127, April 1, 2008. doi: 10.1158/1078-0432.CCR-07-4413 (c) 2008 American Association for Cancer Research
Cancer Therapy: Preclinical
Lupeol Inhibits Growth of Highly Aggressive Human Metastatic Melanoma Cells In vitro and In vivo by Inducing Apoptosis Mohammad Saleem, Nityanand Maddodi, Mohammad Abu Zaid, Naghma Khan, Bilal bin Hafeez, Mohammad Asim, Yewseok Suh, Jung-Mi Yun, Vijayasaradhi Setaluri and Hasan Mukhtar Authors' Affiliation: Department of Dermatology, University of Wisconsin, Madison, Wisconsin
Requests for reprints: Hasan Mukhtar, Department of Dermatology, University of Wisconsin, 1300 University Avenue, MSC-25B, Madison, WI 53706. Phone: 608-263-3927; Fax: 608-263-5223; E-mail: hmukhtar@wisc.edu.
Purpose: Poor prognosis of metastatic melanoma mandates the development of novel strategies for its treatment and prevention. In this study, the effect of lupeol, a diet-based triterpene, was determined on the growth and tumorigenicity of human melanoma cells in vitro and in vivo.
Experimental Design: Normal human melanocytes, and human metastatic (451Lu) and nonmetastatic (WM35) cells were treated with lupeol; its effect on growth, proliferation, and apoptosis were evaluated. Further athymic nude mice bearing 451Lu cell-originated tumors were administered with lupeol thrice a week, and its effect on tumor growth and surrogate biomarkers was evaluated.
Results: Lupeol significantly decreased the viability of 451Lu and WM35 melanoma cells but had only a marginal effect on normal human melanocyte cells at similar doses. Lupeol treatment of 451Lu cells caused (a) G1-S phase cell cycle arrest and apoptosis; (b) down- regulation of Bcl2 and up-regulation of Bax; (c) activation of caspase-3 and induction of poly(ADP)ribose polymerase cleavage; (d) decreased expression of cyclin D1, cyclin D2, and cdk2; and (e) increased expression of p21 protein. Next, lupeol significantly reduced 451Lu tumor growth in athymic nude mice and modulated the expression of proliferation markers, apoptotic markers, and cell cycle regulatory molecules in tumor xenografts.
Conclusion: Our findings showed the anticancer efficacy of lupeol with mechanistic rationale against metastatic human melanoma cells. We suggest that lupeol, alone or as an adjuvant to current therapies, could be useful for the management of human melanoma.
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> Carcinogenesis Advance Access > published online on June 15, 2005 [quoted text clipped - 58 lines] > > DEAD PEOPLE WALKINGhttp://tinyurl.com/zk9fk ironjustice@aol.com - 14 Apr 2008 04:03 GMT On Apr 13, 7:57 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote:Lupeol <<
Do you think this is why they planted all those orange trees .. ?
"Lupeol enhanced cisplatin anti-tumour activity by 40-fold."
HK experts reveals lupeol in fruits helps combat cancer
www.chinaview.cn 2007-10-16 16:34:22 Print
HONG KONG, Oct. 16 (Xinhua) -- A study found that a substance called "lupeol" contained in fruits may help beat head and neck cancer, announced the University of Hong Kong which made the result public here Tuesday.
The study, conducted by the university's Faculty of Medicine, revealed that lupeol, a compound rich in fruits, selectively targeted and killed cancer cells. Using a mouse animal model, lupeol dramatically decreased tumor volume and suppressed local metastasis while bearing minimal effect on surrounding tissue and other vital organs like liver and kidney.
Interestingly, lupeol was found to be more effective and more potent than conventionally used chemotherapeutic drug, cisplatin, by approximately three-fold in terms of tumor volume and degree of metastasis suppression.
Besides, when lupeol was used in combination with cisplatin, the anti-tumour activity of the chemotherapeutic drug could be enhanced by 40-fold.
The above research result was published in the international scientific journal Cancer Research in September, 2007.
Head and neck cancer includes cancers of the nose, oral cavity, salivary gland, etc. In the year 2004, 2,087 new cases were diagnosed in Hong Kong, with the number of new cases increasing steadily every year.
Human papilloma virus infection, alcohol and tobacco consumption and low fruits and vegetables intake all contribute to the increased risk of head and neck cancer development.
The university was in the hope that the findings will also show people that only a slight change in their everyday meal or a small change in their choice of food intake may have an astounding impact on cancer prevention and therapy.
Editor: Wang Hongjiang
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 13, 7:53 pm, "ironjust...@aol.com" <ironjust...@aol.com> > wrote:lupeol << [quoted text clipped - 124 lines] > > - Show quoted text - ironjustice@aol.com - 14 Apr 2008 04:29 GMT On Apr 13, 7:57 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote:absorption of this is enhanced when one takes oil with it .. ?
Titre du document / Document title Esterification improves antiarthritic effectiveness of lupeol Auteur(s) / Author(s) KWEIFIO-OKAI G. ; FIELD B. ; RUMBLE B. A. ; MACRIDES T. A. ; DE MUNK F. ; Affiliation(s) du ou des auteurs / Author(s) Affiliation(s) Royal Melbourne inst. technology, dep. anatomy and physiology, Bundoora 8083, AUSTRALIE
Résumé / Abstract Adult male Wistar rats were made arthritic by the subplantar injection of complete Freund's adjuvant. Oral treatment with the triterpenes lupeol, luepol palmitate, or lupeol linoleate (66 mg/kg BW every 2 days) from days 24 to 32 reduced synovial granulomatous growth (proximal interphalangeal foot joints) and its invasion of the synovial cavity and reduced the destruction of articular cartilage and subchondral bone (lupeol linoleate > lupeol palmitate > lupeol). Rats treated with the lupeol esters showed reduced periosteal bone erosion with bone repair in the form of periosteal new bone formation. Arthritic rat blood lymphocytes and serum levels of the joint degradative product, hyaluronate, which increased by 73% and 51%, respectively, were reduced by the triterpenes (lupeol linoleate > lupeol palmitate > lupeol) with lupeol linoleate restoring them to normal values. The antiarthritic effectiveness of lupeol was therefore increased by esterification with the long-chain fatty acids. Revue / Journal Title Drug development research ISSN 0272-4391 CODEN DDREDK Source / Source Congrès International congress of pharmacology in Montreal No12, Montreal , CANADA (07/1994) 1995, vol. 35, no3, pp. 137-141 (13 ref.) Langue / Language Anglais
Editeur / Publisher Wiley-Liss, New York, NY, ETATS-UNIS (1981) (Revue)
Mots-clés anglais / English Keywords Triterpene ; Chemotherapy ; Treatment ; Arthritis ; Rat ; Animal ; Rodentia ; Mammalia ; Vertebrata ; Mots-clés français / French Keywords Triterpène ; Chimiothérapie ; Traitement ; Arthrite ; Rat ; Animal ; Lupéol ; Rodentia ; Mammalia ; Vertebrata ; Mots-clés espagnols / Spanish Keywords Triterpeno ; Quimioterapia ; Tratamiento ; Artritis ; Rata ; Animal ; Rodentia ; Mammalia ; Vertebrata ; Localisation / Location INIST-CNRS, Cote INIST : 18882, 35400005377099.0030
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 13, 7:53 pm, "ironjust...@aol.com" <ironjust...@aol.com> > wrote:lupeol << [quoted text clipped - 124 lines] > > - Show quoted text - ironjustice@aol.com - 14 Apr 2008 05:50 GMT On Apr 13, 8:29 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote: lupeol <<
"Birch bark"
Science: The glue that held the Roman empire together 06 March 1993 From New Scientist Print Edition. Subscribe and get 4 free issues. SARAH BUNNY
Tools When people in Roman Britain broke their clay pots, they glued them back together with a tar made from birch bark, according to archaeologists. The evidence comes from a ceramic jar found among Roman artefacts unearthed at the West Cotton site in the Rounds area of Northamptonshire.
The jar had been repaired with a black tarry adhesive. When scientists at the Universities of Bradford and Liverpool analysed the tar, they found that it contained betulin, lupeol, lupenone, allobetul-2-ene and other pentacyclic triterpenoid (Archaeometry, vol 35, p 91). This composition was similar to both fresh birch bark and a freshly made tar from birch bark.
The researchers tried to make their own glue by drying fresh birch bark at room temperature and then heating it to a high temperature in a covered vessel. The result was a charred material sticky enough to be an adhesive. The researchers claim that the pot repairers might have made their glue in a similar way.
Archaeologists knew about the use of birch bark tar but this is the first time that they have found it in ancient Britain. In mainland Europe in Neolithic times - several thousand years before the Romans - birch bark tar was also used as a chewing gum for cleansing teeth, presumably because chewing released some of its constituent compounds.
From issue 1863 of New Scientist magazine, 06 March 1993, page 17
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 13, 7:57 pm, "ironjust...@aol.com" <ironjust...@aol.com> > wrote:absorption of this is enhanced when one takes oil with it .. ? [quoted text clipped - 188 lines] > > - Show quoted text - ironjustice@aol.com - 14 Apr 2008 14:57 GMT On Apr 13, 7:53 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote: fruit and vegetable based triterpene <<
Further Research On Resveratrol Shows Promise For Treatment Of Pancreatic Cancer Main Category: Cancer / Oncology Also Included In: Nutrition / Diet Article Date: 14 Apr 2008 - 2:00 PDT
Baywood International, Inc. (OTCBB:BAYW) ("Company") announced that resveratrol, the antioxidant found in grape skins and red wine, can cripple the function of pancreatic cancer cells while sensitizing them to chemotherapy, says new research. This study, published in March 2008 in Advances in Experimental Medicine and Biology, looked at the way the antioxidant may aid pancreatic cancer treatment and how it also contributes to the growing knowledge on the health benefits arising from ingredients of red wine.
While disabling the function of the cancer cells by reaching and reacting with the mitochondria (the cell's energy source), researchers found that when they were pre-treated with resveratrol before being irradiated, it resulted in a type of cell death called apoptosis. This is an important goal of cancer therapy.
According to Paul Okunieff, chief of radiation oncology at the University of Rochester Medical Centre, "Antioxidant research is very active and very seductive right now [and] the challenge lies in finding the right concentration and how it works inside the cell. Resveratrol seems to have a therapeutic gain by making tumor cells more sensitive to radiation and making normal tissue less sensitive."
Okunieff began studying resveratrol as a tumor sensitizer, which is when the link to the mitochondria was uncovered. Researchers divided pancreatic cancer cells into two groups: cells treated without resveratrol then iodized, and ones treated with resveratrol at a relatively high dose of 50mg per ml before being iodized. The amount of resveratrol in red wine can vary between types of grapes and growing seasons, and ranges can be as high as 30 mg per ml. But the researchers said higher doses are expected to be safe as long as a physician monitors the patient. The study found that resveratrol reduced the function of proteins in the pancreatic cancer cell membranes responsible for pumping chemotherapy out of the cell, therefore making them more sensitive to the treatment. Additionally, the antioxidant triggered the production of reactive oxygen species (ROS), causing apoptosis, and depolarized the mitochondrial membranes, indicating a decrease in the cell's potential to function. The researchers said the discovery is important because the mitochondria contains its own DNA and can continuously supply the cell with energy when functioning fully. Stopping the energy flow can therefore help stop cancer.
Okunieff further stated that, "While additional studies are needed, this research indicated that resveratrol has a promising future as part of the treatment for cancer."
The Company's wholly-owned subsidiary, Nutritional Specialties, Inc./ dba LifeTime(R), launched Resveratrol Life Tonic(tm) in liquid form for enhanced bioavailability. The product's powerful antioxidant properties include 300 mg of resveratrol extract in each one ounce serving, which is equivalent to 1,300 glasses of red wine.(a)
About Baywood
Baywood International, Inc. (OTC BB: BYWD) ("Baywood") is a nutritional science company that develops, markets and sells nutraceutical and nutritionally enhanced products and new age beverages under its own brands. Baywood merges its expertise in nutritional formulation with its leverage in sales and distribution to deliver the most effective and progressive products to market. Currently, Baywood's products are sold under three brands that are distributed into retail markets nationwide and internationally as follows:
- LifeTime(R) - Available in independent and chain health food stores, natural grocery stores, and other direct-to-consumer channels both internationally and domestically (http://www.lifetimevitamins.com)
- Baywood PURECHOICE(R), Baywood SOLUTIONS(R) and Complete La Femme(R) - Available in independent and chain health food stores, natural grocery stores, and other direct-to-consumer channels both internationally and domestically (http://www.baywoodproducts.com)
- Mamajuana Energy(tm) - Available in select convenience stores and chain stores nationwide (http://www.mamajuanaenergy.com)
For more information, call (888) 350-0799, or for more information, visit Baywood's corporate website at http://www.bywd.com.
(a) These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. The contents of this press release are not meant to be incorporated into the Company's website.
SOURCES: Advances in Experimental Medicine and Biology 2008;614:179-86 "Anti-cancer effect of resveratrol is associated with induction of apoptosis via a mitochondrial pathway alignment" Authors: Paul Okunieff, Weimin Sun, Wei Wang, Jung Kim, Shanmin Yang
This press release may contain forward-looking statements, made in reliance upon Section 21D of the Exchange Act of 1934, which involve known and unknown risks, uncertainties or other factors that could cause actual results to differ materially from the results, performance, or expectations implied by these forward-looking statements. The Company's expectations, among other things, are dependent upon general economic conditions, continued demand for its products, the availability of raw materials, retention of its key management and operating personnel, its ability to operate its subsidiary companies effectively, need for and availability of additional capital as well as other uncontrollable or unknown factors which are more fully disclosed in the Company's Form 10-KSBs and 10- QSBs on file with the United States Securities and Exchange Commission.
Baywood International, Inc.
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> Carcinogenesis Advance Access > published online on June 15, 2005 [quoted text clipped - 58 lines] > > DEAD PEOPLE WALKINGhttp://tinyurl.com/zk9fk ironjustice@aol.com - 14 Apr 2008 18:41 GMT On Apr 14, 6:57 am, "ironjust...@aol.com" <ironjust...@aol.com> wrote: TRITERPENOID <<
African Journal of Traditional, Complementary and Alternative Medicines African Ethnomedicines Network ISSN: 0189-6016 Vol. 5, No. 1, 2008, pp. 56-60 Bioline Code: tc08010 Full paper language: English Document available free of charge
African Journal of Traditional, Complementary and Alternative Medicines, Vol. 5, No. 1, 2008, pp. 56-60 en DIRECT DETECTION OF TRITERPENOID SAPONINS IN MEDICINAL PLANTS Kareru, P. G.; Keriko, J. M.; Gachanja, A. N. & Kenji, G. M. Abstract
Direct detection of saponins in medicinal plants using Fourier Transform Infrared (FTIR) spectroscopy is reported in this paper. Crude dry plant powders were mixed with potassium bromide (KBr) powder and compressed to a thin pellet for infrared examination. FTIR spectra of the test samples showed -OH, -C=O, C-H, and C=C absorptions characteristic of oleanane triterpenoid saponins. The C-O-C absorptions indicated glycoside linkages to the sapogenins. Phytochemical analysis confirmed the presence of saponins in the tested specimens. Entada leptostachya was used as a reference sample. Dry plant powder was extracted sequentially with hexane, dichloromethane, ethyl acetate and methanol. FTIR spectra of the reference sample powder and its organic solvent extracts showed characteristic saponin absorption peaks. These results indicated that direct detection of saponins in medicinal plants was possible by infrared analysis. Lengthy exhaustive chemical analyses necessary for detection of saponins could be avoided. Keywords Medicinal plants, saponins, infrared spectra, potassium bromide, glycoside.
(c) Copyright 2008 - African Journal Traditional, Complementary and Alternative Medicines Alternative site location: http://www.africanethnomedicines.net/ojs2/index.php/ajtcam
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 13, 7:53 pm, "ironjust...@aol.com" <ironjust...@aol.com> wrote: > fruit and vegetable based triterpene << [quoted text clipped - 184 lines] > > - Show quoted text - ironjustice - 14 Apr 2008 19:46 GMT On Apr 14, 10:41 am, "ironjust...@aol.com" <ironjust...@aol.com> wrote: triterpenes <<
African Journal of Traditional, Complementary and Alternative medicines (AJTCAM), Vol 5, No 1 (2008)
IN VIVO SCREENING OF ANTIMALARIAL ACTIVITY OF ACACIA MELLIFERA (BENTH) (LEGUMINOSAE) ON PLASMODIUM BERGHEI IN MICE Charles Mutai, Geoffrey Rukunga, Vassilios Roussis, Vagias Constatinos
Abstract
The activities of total extracts and lupane triterpenes, isolated from the stem bark of Acacia mellifera, were evaluated against Plasmodium berghei strain ANKA in a female Swiss mouse model. Five isolated compounds and the crude extracts were evaluated for antimalarial activity and Quinine hydrochloride was used as a positive control. Only betulin and the methanolic extract produced considerable antimalarial activity in mice infected with P. berghei parasites. This study demonstrated the presence of bioactive agents in Acacia mellifera.
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 14, 6:57 am, "ironjust...@aol.com" <ironjust...@aol.com> wrote: > TRITERPENOID << [quoted text clipped - 210 lines] > > - Show quoted text - ironjustice - 15 Apr 2008 18:50 GMT triterpenes <<
http://www.caymanchem.com/app/template/Product.vm/catalog/70950/a/z
70950 Celastrol (CAS 34157-83-0)
A variety of natural products from plant sources, particularly flavonoids, have long been observed to have antioxidant activity with potential benefits for human health. Antioxidant triterpenes are less common. Celastrol is a triterpenoid antioxidant compound isolated from the Chinese Thunder of God vine (T. wilfordii). In an isolated rat liver assay of lipid peroxidation, celastrol had an IC50 value of 7 µM, equivalent to about 15 times the antioxidant potency of α-tocopherol.
1 Frémont, L., Belguendouz, L., Delpal, S. Antioxidant activity of resveratrol and alcohol-free wine polyphenols related to LDL oxidation and polyunsaturated fatty acids. Life Sci 64 2511-2521 (1999). 2 Johnson, J.L., Maddipati, K.R. Paradoxical effects of resveratrol on the two prostaglandin H synthases. Prostaglandins and Other Lipid Mediators 56 131-143 (1998). 3 Miller, N.J., Rice-Evans, C. Antioxidant activity of resveratrol in red wine. Clin Chem 41 1789-1789 (1995). 4 Sassa, H., Takaishi, Y., Terada, H. The triterpene celastrol as a very potent inhibitor of lipid peroxidation in mitochondria. Biochem Biophys Res Commun 172(2) 890-897 (1990).
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> On Apr 14, 10:41 am, "ironjust...@aol.com" <ironjust...@aol.com> > wrote: triterpenes << [quoted text clipped - 217 lines] > > - Show quoted text - ironjustice - 15 Apr 2008 19:38 GMT triterpenes <<
Sooo .. in theory .. the use of effective herbicides 'may' not be all that good due to the fact these triterpenes seem to be created BECAUSE of the insult FROM a pathogen .. they are the antibiotics of the plant .. ?
Sooo .. again theoretically one could assault one's broccoli in the garden with certain pathogens and it just might raise MORE than the sulphur content of the broccoli .. ?
If the broccoli has the ability to create the triterpenes and not JUST sulphur.
Somewhat like when yeast creates substances bacteriocidal properties .. WHEN presented with a pathogen.
Sulphur is created as the plant's antibiotic.
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> triterpenes << > [quoted text clipped - 214 lines] > > - Show quoted text - ironjustice - 16 Apr 2008 01:39 GMT triterpenoid antioxidant <<
I would almost bet this is a .. triterpenoid antioxidant ..
--------------------------------------------
New study shows Dermytol produces pronounced decrease in malignant melanoma tumor volume
A new study presented at the Experimental Biology Annual Meeting, held April 5-9, 2008, in San Diego, California, USA showed that a proprietary blend extracted from canola, Dermytol, produces a pronounced reduction of malignant melanoma cell growth. Dermytol, a proprietary compound developed by KGK Synergize Inc., a biotechnology company in Ontario Canada, is designed to protect skin cells from damage that may lead to skin cancer.
Mal Evans, scientific director of KGK Synergize Inc., said, "Skin cancer rates have been rising, and we are likely to see that continue as the population ages. The National Cancer Institute (NCI) estimates that more than 62,000 Americans will be diagnosed with melanoma and one million Americans will be diagnosed with nonmelanoma skin cancer this year. NCI expects more than 8,000 deaths from melanoma and less than 1,000 deaths from nonmelanoma cancers this year.
"Dermytol has the potential to be used in anti-aging and sun- protection products to reduce damage to skin. Results of preclinical trials in animals have been promising leading to human trials now running in both Canada and the United States."
In the most recent study, male mice were fed either a Dermytol-canola oil mixture or just canola oil. In a separate part of the study, researchers applied either a Dermytol cream or a placebo cream onto the shaved skin of a different group of mice. After seven days of treatment, all of the mice were injected with malignant melanoma tumor cells. Dermytol or placebo treatments continued for 25 days.
The mice in both Dermytol groups benefited from their treatments. Compared wth the controls, the orally treated mice showed an average decrease in tumor size by about 45%. The mice receiving the topical treatment benefited even more with a 61% decrease in tumor volume.
In this study and previous preclinical studies, Dermytol produced no adverse effects.
In a laboratory cell culture study, Dermytol inhibited the proliferation of human cancer cells.
In another study, dietary supplementation with Dermytol moderately delayed the onset of skin tumors and significantly reduced tumor growth rate in mice treated to induce nonmelanoma skin cancers.
A trial involving 45 subjects with actinic keratoses--precancerous skin lesions--is under way. "The current treatment for actinic keratoses is removal by freezing, which can be painful, or the application of a cream that causes inflammation and blistering of the skin," said Evans. "We expect Dermytol to be a welcome option."
Source: http://www.eurekalert.org/pub_releases/2008-04/sc-nss040308.php#
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> triterpenes << > [quoted text clipped - 220 lines] > > - Show quoted text - ironjustice@aol.com - 23 Apr 2008 04:51 GMT On Apr 15, 11:38 am, ironjustice <teamtan...@hotmail.com> wrote:Sooo .. again theoretically one could assault one'sbroccoliin the garden with certain pathogens and it just might raise MORE than the sulphur content of thebroccoli.. ? <<
This might work for the pine beetle .. ?
Tree Physiol. 2005 Aug ;25 (8):1075-83 15929938 (P,S,E,B) Changes in anatomy and terpene chemistry in roots of Douglas-fir seedlings following treatment with methyl jasmonate.
[My paper] Dezene P W Huber, Ryan N Philippe, Lufiani L Madilao, Rona N Sturrock, Jörg Bohlmann Michael Smith Laboratories and Departments of Botany and Forest Sciences, University of British Columbia, 237 - 6174 University Blvd., Vancouver, BC V6T 1Z4, Canada. Replicated trials were conducted on two full-sibling families of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings. In response to the application of a 0.01% solution of methyl jasmonate (MeJA) to the soil of potted seedlings, numerous anatomical and chemical changes were observed in the roots, stem and foliage. These changes were, for the most part, similar for both sib groups. Methyl jasmonate induced traumatic resin duct formation in roots and stems. Chemical differences between MeJA-treated and control seedlings were mainly limited to the roots and stem, though some changes also occurred in the foliage. A total of 35 terpenoids were observed in the P. menziesii seedlings. In response to MeJA treatment, several of the 22 detected monoterpenoids (linalool, bornyl acetate, camphene, myrcene, alpha- and beta-pinene, tricyclene and beta-phellandrene) increased significantly in roots and stems, whereas (E)-beta-ocimene decreased significantly in the foliage. Four of the five detected sesquiterpenoids (alpha-humulene, germacrene D, longifolene and (E)- caryophyllene) increased significantly following MeJA application, mainly in the root and stem. Four of the eight detected diterpenoids (abietate, levopimarate, palustrate and sandaracopimarate) increased in response to MeJA treatment, but only in root and stem tissue. This study provides the first description of the effects of MeJA applied to roots through the soil on the anatomy and terpene chemistry of a gymnosperm. This comprehensive inventory of terpenoids in P. menziesii, with and without MeJA treatment, may facilitate identification of terpenoid-related resistance traits. Potential practical applications of MeJA treatment of conifer roots as a pest management strategy are discussed.
Who loves ya. Tom
Jesus Was A Vegetarian! http://tinyurl.com/2r2nkh
Man Is A Herbivore! http://tinyurl.com/a3cc3
DEAD PEOPLE WALKING http://tinyurl.com/zk9fk
> triterpenes << > [quoted text clipped - 220 lines] > > - Show quoted text -
|
|
|