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Secrets Your Dentist Doesn’t Want You To Know

July 28th, 2010 8:23 am

Here are the secrets your dentist may not want you to know -- but you need to know to get the best care possible:
Secret #1: Your dentist may not be as educated as you think.

Dentistry has changed a lot since your dentist graduated from dental school. There have been major advances in most materials used in fillings, bonding and root canals. If your dentist is not actively engaged in continuing education, it is unlikely that he or she is keeping up with these developments.

Secret #2: Your dentist may not have the latest technology.

Digital x-ray: Dentists who do not have digital x-ray equipment are practicing in the dark ages. Digital x-rays use less radiation than film. They are easier to read and the ability to manipulate contrast makes diagnosis more accurate.

Ultrasonic Cleaning: Ultrasonic instruments vibrate plaque and calculus off your teeth, even in areas below your gums. It is much more comfortable than old-fashioned hand scraping. Read more...

Detox cleansing

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Researchers Study CSCs as Therapeutic Targets for Mesothelioma

July 28th, 2010 8:23 am

Researchers Study Cancer Stem Cells as Therapeutic Targets for Mesothelioma, Asbestos.com, July 26, 2010. Excerpt:

In a study published in the International Journal of Oncology, Cortes-Dericks and colleagues tested whether cancer stem cells in malignant pleural mesothelioma express resistance to cisplatin and pemetrexed, two chemotherapy drugs commonly used to treat mesothelioma cancer.

This news item is based on the OA publication entitled: Putative cancer stem cells in malignant pleural mesothelioma show resistance to cisplatin and pemetrexed by Lourdes Cortes-Dericks, Giovanni L Carboni, Ralph A Schmid and Golnaz Karoubi, Int J Oncol 2010(Aug); 37(2): 437-44. [PubMed citation].

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Prostate CSCs sensitive to gamma-tocotrienol?

July 27th, 2010 8:20 am

Gamma-Tocotrienol Kills Prostate Cancer Stem Cells, PRNewswire, July 25, 2010. Excerpt:

The scientists found that low doses of gamma-tocotrienol cause apoptosis in the prostate cancer stem cells and suppress their colony formation capability. This results in a lower prostate cancer stem cell population (as defined by the protein markers CD133 and CD44). Further tests in mice models were conducted, where mice implanted with hormonal refractory prostate cancer cells were given gamma-tocotrienol orally. The results showed that gamma- tocotrienol not only reduced tumour size formed, but also decreased the incidence rate of tumour formation by 75%, as compared to the control group of mice, which had 100% tumour formation. These results strongly suggest that gamma-tocotrienol could be developed for prostate cancer prevention and treatment.

The news release by Davos Life Science is based on the publication:

Gamma-tocotrienol as an effective agent in targeting prostate cancer stem cell-like population by Sze Ue Luk and 11 co-authors, including Ming-Tat Ling, Int J Cancer 2010(Jul 8) [Epub ahead of print][PubMed citation].

Comment:

See also a relevant patent application: (WO/2010/047663) Use of Tocotrienol Composition for the Prevention of Cancer.
Publication Date: 29.04.2010
Applicants: DAVOS LIFE SCIENCE PTE. LTD. [SG/SG]; 16 Tuas South Street 5 Singapore 637795 (SG) (All Except US).
LING, Ming Tat [CN/AU]; (AU) (US Only).
YAP, Wei Ney [MY/SG]; (SG) (US Only).
WONG, Yong Chuan [MY/CN]; (CN) (US Only).
YAP, Yee Leng, Daniel [MY/SG]; (SG) (US Only).

Read More...

Prostate CSCs sensitive to gamma-tocotrienol?

July 27th, 2010 8:18 am

Gamma-Tocotrienol Kills Prostate Cancer Stem Cells, PRNewswire, July 25, 2010. Excerpt:

The scientists found that low doses of gamma-tocotrienol cause apoptosis in the prostate cancer stem cells and suppress their colony formation capability. This results in a lower prostate cancer stem cell population (as defined by the protein markers CD133 and CD44). Further tests in mice models were conducted, where mice implanted with hormonal refractory prostate cancer cells were given gamma-tocotrienol orally. The results showed that gamma- tocotrienol not only reduced tumour size formed, but also decreased the incidence rate of tumour formation by 75%, as compared to the control group of mice, which had 100% tumour formation. These results strongly suggest that gamma-tocotrienol could be developed for prostate cancer prevention and treatment.

The news release by Davos Life Science is based on the publication:

Gamma-tocotrienol as an effective agent in targeting prostate cancer stem cell-like population by Sze Ue Luk and 11 co-authors, including Ming-Tat Ling, Int J Cancer 2010(Jul 8) [Epub ahead of print][PubMed citation].

Comment:

See also a relevant patent application: (WO/2010/047663) Use of Tocotrienol Composition for the Prevention of Cancer.
Publication Date: 29.04.2010
Applicants: DAVOS LIFE SCIENCE PTE. LTD. [SG/SG]; 16 Tuas South Street 5 Singapore 637795 (SG) (All Except US).
LING, Ming Tat [CN/AU]; (AU) (US Only).
YAP, Wei Ney [MY/SG]; (SG) (US Only).
WONG, Yong Chuan [MY/CN]; (CN) (US Only).
YAP, Yee Leng, Daniel [MY/SG]; (SG) (US Only).

Read More...

Irradiating brain’s stem cell niche

July 26th, 2010 8:24 am

Irradiating brain's stem cell niche doubles survival time for patients with brain cancers by Kim Irwin, News Release, UCLA Newsroom, July 23, 2010. Excerpt:

Patients with deadly glioblastomas who received high doses of radiation that hit a portion of the brain which harbors neural stem cells had double the progression-free survival time as patients who had lower doses or no radiation targeting the area, a study from the radiation oncology department at UCLA's Jonsson Comprehensive Cancer Center has found.

The news release is based on this OA publication: Irradiation of the Potential Cancer Stem Cell Niches in the Adult Brain Improves Progression-free Survival of Patients with Malignant Glioma by Patrick Evers and 6 co-authors, including Frank Pajonk, BMC Cancer 2010(Jul 21); 10(1):384. [Epub ahead of print][FriendFeed entry].

Comment: On the brain as a model system to study the impact of radiation dose given to stem cell niches. Provides clinical evidence, based on an improvement in progression-free survival, to support the hypothesis that higher radiation doses to neural stem cell (NSC) niches improves patient survival by eradicating CSCs.

Read More...

Irradiating brain’s stem cell niche

July 26th, 2010 8:22 am

Irradiating brain's stem cell niche doubles survival time for patients with brain cancers by Kim Irwin, News Release, UCLA Newsroom, July 23, 2010. Excerpt:

Patients with deadly glioblastomas who received high doses of radiation that hit a portion of the brain which harbors neural stem cells had double the progression-free survival time as patients who had lower doses or no radiation targeting the area, a study from the radiation oncology department at UCLA's Jonsson Comprehensive Cancer Center has found.

The news release is based on this OA publication: Irradiation of the Potential Cancer Stem Cell Niches in the Adult Brain Improves Progression-free Survival of Patients with Malignant Glioma by Patrick Evers and 6 co-authors, including Frank Pajonk, BMC Cancer 2010(Jul 21); 10(1):384. [Epub ahead of print][FriendFeed entry].

Comment: On the brain as a model system to study the impact of radiation dose given to stem cell niches. Provides clinical evidence, based on an improvement in progression-free survival, to support the hypothesis that higher radiation doses to neural stem cell (NSC) niches improves patient survival by eradicating CSCs.

Read More...

International Stem Cell Corporation Plans $10 Million Financing Through European Subsidiary

July 23rd, 2010 8:21 am

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, announced today that it had entered into a Memorandum of Understanding with ARG Vermogensverwaltung AG ('ARG'), a German Investment Fund, to create a new European subsidiary ('ISCO Europe') to be funded with up to $10 million of capital derived from ARG and other independent sources in Europe. Shares of ISCO Europe are expected to trade on the Deutsche Bourse independently of the company's shares in the US. ISCO Europe's shares will not be convertible into ISCO shares on any US exchange.


ISCO Europe will be licensed by ISCO to develop and market therapeutic products derived from ISCO's technology throughout the Euro Currency Countries and Switzerland. New technologies developed by either ISCO or ISCO Europe will be made mutually available, thus expanding the total funding available to ISCO worldwide without issuing new ISCO shares and enhancing the potential market and scientific development capacity of both companies.


It is expected that the new subsidiary will be funded initially by a private equity investment by ARG and that ARG will then assist in forming an investment group to invest up to $10 million concurrently with the listing of ISCO Europe on the Deutsche Bourse, the largest Securities Exchange in Europe. Following the financing of ISCO Europe, ISCO is expected to retain ownership of 80% or more of this new subsidiary.

'Although negotiations are still at the non-binding memorandum of understanding stage, this transaction, when completed, will expand ISCO's access to capital for worldwide expansion and ISCO's access to new scientific development without requiring equity dilution of ISCO's current shareholders. We are creating an investment, research and development, marketing and distribution entity by adding capital and human resources from Europe to help fulfill ISCO's goal of supplying its proprietary cells and cell therapies to the world,' said Kenneth Aldrich, Chairman and co-founder of ISCO.


ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB)


International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells from unfertilized oocytes (eggs). These proprietary cells avoid ethical issues associated with use or destruction of viable human embryos and, unlike most other major stem cell types, can be immune matched and be a source of therapeutic cells with minimal rejection after transplantation into hundreds of millions of individuals of differing racial groups. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary, Lifeline Cell Technology, and is developing a line of cosmeceutical products via its subsidiary, Lifeline Skin Care. ISCO is advancing novel human stem cell-based therapies where cells have been proven to be efficacious but traditional small molecule and protein therapeutics have not. More information is available on ISCO's website. To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.


FORWARD-LOOKING STATEMENTS

Statements pertaining to anticipated developments and therapeutic applications, the potential benefits of collaborations, affiliations, and other opportunities for the company and its subsidiaries, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products and the management of collaborations, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update forward-looking statements.


Key Words: Stem Cells, Biotechnology, Parthenogenesis


International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
Or
Andrey Semechkin, Ph.D., CEO
aes@intlstemcell.com

Read More...

International Stem Cell Corporation Plans $10 Million Financing Through European Subsidiary

July 23rd, 2010 8:19 am

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, announced today that it had entered into a Memorandum of Understanding with ARG Vermogensverwaltung AG ('ARG'), a German Investment Fund, to create a new European subsidiary ('ISCO Europe') to be funded with up to $10 million of capital derived from ARG and other independent sources in Europe. Shares of ISCO Europe are expected to trade on the Deutsche Bourse independently of the company's shares in the US. ISCO Europe's shares will not be convertible into ISCO shares on any US exchange.


ISCO Europe will be licensed by ISCO to develop and market therapeutic products derived from ISCO's technology throughout the Euro Currency Countries and Switzerland. New technologies developed by either ISCO or ISCO Europe will be made mutually available, thus expanding the total funding available to ISCO worldwide without issuing new ISCO shares and enhancing the potential market and scientific development capacity of both companies.


It is expected that the new subsidiary will be funded initially by a private equity investment by ARG and that ARG will then assist in forming an investment group to invest up to $10 million concurrently with the listing of ISCO Europe on the Deutsche Bourse, the largest Securities Exchange in Europe. Following the financing of ISCO Europe, ISCO is expected to retain ownership of 80% or more of this new subsidiary.

'Although negotiations are still at the non-binding memorandum of understanding stage, this transaction, when completed, will expand ISCO's access to capital for worldwide expansion and ISCO's access to new scientific development without requiring equity dilution of ISCO's current shareholders. We are creating an investment, research and development, marketing and distribution entity by adding capital and human resources from Europe to help fulfill ISCO's goal of supplying its proprietary cells and cell therapies to the world,' said Kenneth Aldrich, Chairman and co-founder of ISCO.


ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB)


International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells from unfertilized oocytes (eggs). These proprietary cells avoid ethical issues associated with use or destruction of viable human embryos and, unlike most other major stem cell types, can be immune matched and be a source of therapeutic cells with minimal rejection after transplantation into hundreds of millions of individuals of differing racial groups. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary, Lifeline Cell Technology, and is developing a line of cosmeceutical products via its subsidiary, Lifeline Skin Care. ISCO is advancing novel human stem cell-based therapies where cells have been proven to be efficacious but traditional small molecule and protein therapeutics have not. More information is available on ISCO's website. To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.


FORWARD-LOOKING STATEMENTS

Statements pertaining to anticipated developments and therapeutic applications, the potential benefits of collaborations, affiliations, and other opportunities for the company and its subsidiaries, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products and the management of collaborations, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update forward-looking statements.


Key Words: Stem Cells, Biotechnology, Parthenogenesis


International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
Or
Andrey Semechkin, Ph.D., CEO
aes@intlstemcell.com

Read More...

GHC’s Dr. Ed Group joins Natural News Talk Hour

July 22nd, 2010 8:27 am

(NaturalNews) This week's NaturalNews Talk Hour features Dr. Edward Group, D.C., ND discussing "The Green Body Cleanse , Organic Detoxification at its Best". Discover how to reduce and eliminate toxins from your home, workplace and especially your body. It runs this Thursday evening at 6pm Pacific / 9pm Eastern, and registration is FREE. Simply enter your email address in the registration form on the right column of this page and you'll receive call-in details for the broadcast. http://www.dreddyclinic.com/products/ghchealth.htm

The NaturalNews Talk Hour is a "behind the scenes", up close and personal look at the most important issues of our time. Discover what the mainstream media hasn't told you about the secrets of optimal health, freedom and the pursuit of happiness.

Jonathan Landsman, host of NaturalNews Talk Hour, says "Dr. Group offers the kind of information that makes it easy for us to enjoy a more rewarding, happy and healthy life. His knowledge, love and compassion are true gifts to us all. I'm honored to be able to share his talents with our listening audience." Read more...

Improve your memory

Read More...

2 Genes Linked to Embryonic Brain Impairment in Down’s Syndrome

July 22nd, 2010 8:27 am

Down's syndrome (DS) is an incurable, heritable disorder affecting an estimated 400,000 people in the U.S. It is characterized by impaired cognitive ability and abnormal physical growth. Whereas scientists have long known that DS is caused by inheriting an extra copy of all or part of chromosome 21 , the underlying cause of the brain defects common in Down's patients has not been fully gleaned.

Now, a collaborative team of scientists working with a mouse model of DS has discovered that just two genes are responsible for the majority of the brain abnormalities present in their animals. The scientists hope that their findings will help scientists understand brain defects in humans with the disorder as well as aid in the development of drugs to treat the cognitive impairment in Down's patients.

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Genetic disorder - Health - Conditions and Diseases - Gene - Brain

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GHC’s Dr. Ed Group joins Natural News Talk Hour

July 22nd, 2010 8:24 am

(NaturalNews) This week's NaturalNews Talk Hour features Dr. Edward Group, D.C., ND discussing "The Green Body Cleanse , Organic Detoxification at its Best". Discover how to reduce and eliminate toxins from your home, workplace and especially your body. It runs this Thursday evening at 6pm Pacific / 9pm Eastern, and registration is FREE. Simply enter your email address in the registration form on the right column of this page and you'll receive call-in details for the broadcast. http://www.dreddyclinic.com/products/ghchealth.htm

The NaturalNews Talk Hour is a "behind the scenes", up close and personal look at the most important issues of our time. Discover what the mainstream media hasn't told you about the secrets of optimal health, freedom and the pursuit of happiness.

Jonathan Landsman, host of NaturalNews Talk Hour, says "Dr. Group offers the kind of information that makes it easy for us to enjoy a more rewarding, happy and healthy life. His knowledge, love and compassion are true gifts to us all. I'm honored to be able to share his talents with our listening audience." Read more...

Improve your memory

Read More...

2 Genes Linked to Embryonic Brain Impairment in Down’s Syndrome

July 22nd, 2010 8:24 am

Down's syndrome (DS) is an incurable, heritable disorder affecting an estimated 400,000 people in the U.S. It is characterized by impaired cognitive ability and abnormal physical growth. Whereas scientists have long known that DS is caused by inheriting an extra copy of all or part of chromosome 21 , the underlying cause of the brain defects common in Down's patients has not been fully gleaned.

Now, a collaborative team of scientists working with a mouse model of DS has discovered that just two genes are responsible for the majority of the brain abnormalities present in their animals. The scientists hope that their findings will help scientists understand brain defects in humans with the disorder as well as aid in the development of drugs to treat the cognitive impairment in Down's patients.

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Genetic disorder - Health - Conditions and Diseases - Gene - Brain

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More about salinomycin

July 19th, 2010 8:19 am

New mission for salinomycin in cancer by Cord Naujokat, SciTopics, July 15, 2010. Excerpt (in the "continue reading" section):

In addition, a very recent study demonstrates that salinomycin overcomes ATP-binding cassette (ABC) transporter-mediated multidrug and apoptosis resistance in human leukemia stem cell-like cells (3).

Reference #3: Salinomycin overcomes ABC transporter-mediated multidrug and apoptosis resistance in human leukemia stem cell-like KG-1a cells, by Dominik Fuchs and 4 co-authors, including Cord Naujokat, Biochem Biophys Res Commun 2010(Apr 16);394(4): 1098-104 [Epub 2010(Mar 27)][PubMed citation].

Comments: Near the end of this article about salinomycin is the comment that "the investigation of its safety, toxicity, pharmacology and anticancer activity in humans will be a challenge." The author then mentions a preliminary study of "a small cohort of patients with metastatic breast cancer or metastatic head and neck cancers". The results of this preliminary study of the toxicity of salinomycin are summarized. They have not yet been published in the peer-reviewed literature, although a manuscript has been submitted [see reference #4 in the article]. The implication of these preliminary results is that there may be a "therapeutic window" for salinomycin, that is, a drug dosage that yields clinically significant benefits in the absence of excessive toxicity.

For a previous commentary on salinomycin, see: Cancer stem cell breakthrough by Kat Arney, Science Update blog, Cancer Research UK, August 14, 2009. Excerpt:

We need to stress that these were laboratory experiments, and there is no evidence yet that salinomycin can treat cancer in humans. Salinomycin is currently used as an antibiotic for chickens and cows, and it can be toxic or even fatal to humans, causing serious muscle and heart problems.

If there is a "therapeutic window" for salinomycin, it could be a small one, and is likely to vary from one tumor to another.

For a previous post to this blog about salinomycin, see: Identification of selective inhibitors of breast CSCs in mice, August 14, 2009.

Read More...

More about salinomycin

July 19th, 2010 8:17 am

New mission for salinomycin in cancer by Cord Naujokat, SciTopics, July 15, 2010. Excerpt (in the "continue reading" section):

In addition, a very recent study demonstrates that salinomycin overcomes ATP-binding cassette (ABC) transporter-mediated multidrug and apoptosis resistance in human leukemia stem cell-like cells (3).

Reference #3: Salinomycin overcomes ABC transporter-mediated multidrug and apoptosis resistance in human leukemia stem cell-like KG-1a cells, by Dominik Fuchs and 4 co-authors, including Cord Naujokat, Biochem Biophys Res Commun 2010(Apr 16);394(4): 1098-104 [Epub 2010(Mar 27)][PubMed citation].

Comments: Near the end of this article about salinomycin is the comment that "the investigation of its safety, toxicity, pharmacology and anticancer activity in humans will be a challenge." The author then mentions a preliminary study of "a small cohort of patients with metastatic breast cancer or metastatic head and neck cancers". The results of this preliminary study of the toxicity of salinomycin are summarized. They have not yet been published in the peer-reviewed literature, although a manuscript has been submitted [see reference #4 in the article]. The implication of these preliminary results is that there may be a "therapeutic window" for salinomycin, that is, a drug dosage that yields clinically significant benefits in the absence of excessive toxicity.

For a previous commentary on salinomycin, see: Cancer stem cell breakthrough by Kat Arney, Science Update blog, Cancer Research UK, August 14, 2009. Excerpt:

We need to stress that these were laboratory experiments, and there is no evidence yet that salinomycin can treat cancer in humans. Salinomycin is currently used as an antibiotic for chickens and cows, and it can be toxic or even fatal to humans, causing serious muscle and heart problems.

If there is a "therapeutic window" for salinomycin, it could be a small one, and is likely to vary from one tumor to another.

For a previous post to this blog about salinomycin, see: Identification of selective inhibitors of breast CSCs in mice, August 14, 2009.

Read More...

Brown rice and other whole grains can prevent type 2 diabetes

July 17th, 2010 8:21 am

Natural health advocates have long advocated nutrient-dense whole grains over the bleached and processed kinds, like white rice and white bread. Brown rice, for example, is loaded with fiber, B vitamins, phytochemicals and other nutrients. Scientists are now documenting that it has specific disease-fighting properties, too. For example, NaturalNews recently reported on Temple University research that found a compound in brown rice which lowers blood pressure and may prevent heart attacks (http://www.dreddyclinic.com/diet/alcaline/alk_diet.php). Now Harvard School of Public Health (HSPH) investigators have discovered eating two or more servings of brown rice per week slashes the risk of type 2 diabetes.

"Rice consumption in the U.S. has dramatically increased in recent decades. We believe replacing white rice and other refined grains with whole grains, including brown rice, would help lower the risk of type 2 diabetes," Qi Sun, who headed the research while at HSPH and is now an instructor of medicine at Brigham and Women's Hospital in Boston, said in a statement to the media. Read more...

Body cleansing

Read More...

Brown rice and other whole grains can prevent type 2 diabetes

July 17th, 2010 8:19 am

Natural health advocates have long advocated nutrient-dense whole grains over the bleached and processed kinds, like white rice and white bread. Brown rice, for example, is loaded with fiber, B vitamins, phytochemicals and other nutrients. Scientists are now documenting that it has specific disease-fighting properties, too. For example, NaturalNews recently reported on Temple University research that found a compound in brown rice which lowers blood pressure and may prevent heart attacks (http://www.dreddyclinic.com/diet/alcaline/alk_diet.php). Now Harvard School of Public Health (HSPH) investigators have discovered eating two or more servings of brown rice per week slashes the risk of type 2 diabetes.

"Rice consumption in the U.S. has dramatically increased in recent decades. We believe replacing white rice and other refined grains with whole grains, including brown rice, would help lower the risk of type 2 diabetes," Qi Sun, who headed the research while at HSPH and is now an instructor of medicine at Brigham and Women's Hospital in Boston, said in a statement to the media. Read more...

Body cleansing

Read More...

DNA Drugs Come of Age (preview)

July 16th, 2010 8:26 am

In a head-to-head competition held 10 years ago, scientists at the National Institutes of Health tested two promising new types of vaccine to see which might offer the strongest protection against one of the deadliest viruses on earth, the human immunodeficiency virus (HIV) that causes AIDS. One vaccine consisted of DNA rings called plasmids, each carrying a gene for one of five HIV proteins. Its goal was to get the recipient’s own cells to make the viral proteins in the hope they would provoke protective reactions by immune cells. Instead of plasmids, the second vaccine used another virus called an adenovirus as a carrier for a single HIV gene encoding a viral protein. The rationale for this combination was to employ a “safe” virus to catch the attention of immune cells while getting them to direct their responses against the HIV protein.

One of us (Weiner) had already been working on DNA vaccines for eight years and was hoping for a major demonstration of the plasmids’ ability to induce immunity against a dreaded pathogen. Instead the test results dealt a major blow to believers in this first generation of DNA vaccines. The DNA recipients displayed only weak immune responses to the five HIV proteins or no response at all, whereas recipients of the adenovirus-based vaccine had robust reactions. To academic and pharmaceutical company researchers, adenoviruses clearly looked like the stronger candidates to take forward in developing HIV vaccines.

[More]

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Immune system - National Institutes of Health - Vaccine - HIV - DNA

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Innovative Researcher Vlog

July 16th, 2010 8:26 am

SU2C Innovative Researcher Vlog: Dr. Lawlor (Pt. 3). Video (3:09 min) posted July 13, 2010. Features Elizabeth R Lawlor, University of Michigan, an SU2C Innovative Research Grants Investigator. [About SU2C (Stand Up to Cancer)]. She provides brief comments about her project: "Modeling Ewing Tumor Initiation in Human Neural Crest Stem Cells". How do normal stem cells become cancer stem cells?

An example of a recent (OA) publication from her laboratory: CD133 expression in chemo-resistant Ewing sarcoma cells by
Xiaohua Jiang and 8 co-authors, including Elizabeth R Lawlor,
BMC Cancer 2010(Mar 26); 10: 116. [FriendFeed entry][PubMed citation][Full text via PMC].

Read More...

DNA Drugs Come of Age (preview)

July 16th, 2010 8:24 am

In a head-to-head competition held 10 years ago, scientists at the National Institutes of Health tested two promising new types of vaccine to see which might offer the strongest protection against one of the deadliest viruses on earth, the human immunodeficiency virus (HIV) that causes AIDS. One vaccine consisted of DNA rings called plasmids, each carrying a gene for one of five HIV proteins. Its goal was to get the recipient’s own cells to make the viral proteins in the hope they would provoke protective reactions by immune cells. Instead of plasmids, the second vaccine used another virus called an adenovirus as a carrier for a single HIV gene encoding a viral protein. The rationale for this combination was to employ a “safe” virus to catch the attention of immune cells while getting them to direct their responses against the HIV protein.

One of us (Weiner) had already been working on DNA vaccines for eight years and was hoping for a major demonstration of the plasmids’ ability to induce immunity against a dreaded pathogen. Instead the test results dealt a major blow to believers in this first generation of DNA vaccines. The DNA recipients displayed only weak immune responses to the five HIV proteins or no response at all, whereas recipients of the adenovirus-based vaccine had robust reactions. To academic and pharmaceutical company researchers, adenoviruses clearly looked like the stronger candidates to take forward in developing HIV vaccines.

[More]

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Immune system - National Institutes of Health - Vaccine - HIV - DNA

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Innovative Researcher Vlog

July 16th, 2010 8:23 am

SU2C Innovative Researcher Vlog: Dr. Lawlor (Pt. 3). Video (3:09 min) posted July 13, 2010. Features Elizabeth R Lawlor, University of Michigan, an SU2C Innovative Research Grants Investigator. [About SU2C (Stand Up to Cancer)]. She provides brief comments about her project: "Modeling Ewing Tumor Initiation in Human Neural Crest Stem Cells". How do normal stem cells become cancer stem cells?

An example of a recent (OA) publication from her laboratory: CD133 expression in chemo-resistant Ewing sarcoma cells by
Xiaohua Jiang and 8 co-authors, including Elizabeth R Lawlor,
BMC Cancer 2010(Mar 26); 10: 116. [FriendFeed entry][PubMed citation][Full text via PMC].

Read More...

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