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Posted by on Jan 28, 2013 in Uncategorized | 0 comments

Dr Jeanette Roberts Glutathione Research

Dr Jeanette Roberts Glutathione Research

In the early 80′s after the Vietnam war, many veterans were returning with alcohol and drug addictions. The Veterans Administration hospital was filling up with veterans suffering from alcoholic liver disease and a great need existed for better ways to support the health of their livers.  Dr Jeanette Roberts worked in the team led by Dr Herbert Nagasawa which after many trials and tribulations came up with the RiboCeine compound (D-Ribose-L-Cysteine) which was found to be the most superior method of raising glutathione levels due its significantly higher bioavailability than other compounds developed and tested.

Dr Roberts currently holds the positions of Dean of the School of Pharmacy and Professor of Pharmaceutical Sciences at the University of Wisconsin.  In addition to that currently volunteers on the Max International medical advisory board alongside many other highly accomplished and recognized medical doctors.  Max International is the leader in glutathione delivery technology with the RiboCeine compound developed and researched by Dr Nagasawa, Dr Roberts and many other scientists over the past 25 years.

The following references are the 15 studies Dr Roberts participated in and published on the RiboCeine glutathione technology over a 19 year period.

The RiboCeine compound in now available to the public as a supplement in Max International’s flagship product Cellgevity.


Dr. Jeannette Roberts, a former student of Dr. Herbert T. Nagasawa, speaks of her respect for his leadership in the development of medicinal chemistry.

 

References:

Roberts, J.C.; Nagasawa, H.T.; Zera, R.T.; Fricke, R.F.; Goon, D.J. W. Prodrugs of L-cysteine as protective agents against acetaminophen-induced hepatotoxicity. 2-(polyhydroxyalky)-and 2-(Polyacetoxyalky)-Thiazolidine-4(R)-Carboxylic Acids. J. Med Chem. 1987, 30, 1891-1896.

Roberts, J.C.; Francetic, D.J.; Zera, R.T. L-cysteine prodrug protects against cyclophosphamide urotoxicity without compromising therapeutic activity. Cancer Chemotherapy and Pharmacology 1991, 28, 166-170.

Roberts, J.C.; Francetic, D.J. Time course for the elevation of glutathione in numerous organs of L1210-bearing CDF1 mice given the L-cysteine prodrug, RibCys. Toxicology Letters, 1991, 59, 245-251.

Roberts, J.C.; Francetic, D.J. Mechanisms of Chemoprotection by RibCys, a Thiazolidine Prodrug of L-cysteine. Med. Chem. Res., 1991, 1, 213-219.

Roberts, J.C.; Charyulu, R. L.; Zera, R.T.; Nagasawa, H.T. Protection Against Acetaminophen Hepatotoxicity by Ribose-Cysteine (RibCys). Pharmacology & Toxicology, 1992, 70, 281-285.

Rowe, J.K.; Zera, R.T.; Madoff, R.D.; Fink, A.S.; Roberts, J.C.; Johnston, G.R.; Freeney, D.A.;Young, H.L.; Bubrick, M.P. Protective Effect of RibCys Following High-Dose Irradiation of the Rectosigmoid. Dis. Colon Rectum, 1993, 36(7), 681-687.

Roberts, J.C.;Francetic, D.J.; Zera, R.T. Chemoprotection against Cyclophosphamide-Induced Urotoxicity: Comparison of Nine Thiol Protective Agents. AntiCancer Research, 1994, 14, 389-396.

Carroll, M.P.; Zera, R.T.; Roberts, J.C.; Schlafmann, S.E.; Feeny, D.A.; Johnston, G.R.; West, M.A.; Bubrick, M.P. Efficacy of Radioprotective Agents in Preventing Small and Large Bowel Radiation Injury. Dis. Colon Rectum, 1995, 38(7), 716-722.

Roberts, J.C.; Koch, K.E.; Detrick, S.R.; Warters, R.L.; Lubec G. Thiazolidine Prodrugs of Cysteamine and Cysteine as Radioprotective Agents. Radiation Research, 1995, 143, 203-213.

Roberts, J.C.; Phaneuf, H.L.; Szakacs, J.G.; Zera, R.T.; Lamb, J.G.; Franklin, M.R. Differential Chemoprotection against Acetaminophen-Induced Hepatotoxicity by Latentiated L-Cysteines. Chem. Res. Toxicol., 1998, 11, 1274-1282.

Roberts, J.C.; Phaneuf, H.L.; Dominick, P.K.; Wilmore, B.H.; Cassidy, P.B. Biodistribution of [35S] – Cysteine and Cysteine Prodrugs: Potential Impact on Chemoprotection Strategies. J. Labelled Cpd. Radiopharm., 1999, 42, 485-495.

Lucus, A.M.; Henning G.; Dominick, P.K.; Whiteley, H.E.; Roberts, J.C.; Cohen, S.D. Ribose Cysteine Protects Against Acetaminophen-Induced Hepatic and Renal Toxicity. Toxicologic Pathology, 2000, 28(5), 697-704.

Wilmore, B.H.; Cassidy, P.B.; Warters, R.L.; Roberts, J.C. Thiazolidine Prodrugs as Protective Agents against y-Radiation-Induced Toxicity and Mutagenesis in V79 Cells. J. Med. Chem., 2001, 44(16), 2661-2666.

Lenarczyk, M.; Ueno, A.; Vannais, D.B.; Kraemer, S.; Kronenberg, A.; Roberts, J.C.; Tatsumi, K.; Hei, T.K.; Waldren, C.A. The “Pro-drug” RibCys Decreases the Mutagenicity of High-LET Radiation in Cultured Mammalian Cells. Radiation Research, 2003, 160, 579-583.

Lucas Slitt, A.M.; Dominick, P.K.; Roberts, J.C.; Cohen, S.D. Effect of Ribose Cysteine Pretreatment on Hepatic and Renal Acetaminophen Metabolite Formation and Glutathione Depletion. Basic Clin. Pharmacol. Toxicol., 2005, 96 (6), 487-94.


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