Selective Diabetes Typ I treatment

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Selective Diabetes Typ I treatment

Postby Frank » Tue Aug 26, 2008 5:29 am

The method modulates the TNF activity to stop the ongoing damage.
When dissease activity is halted the animals were able to regrow functioning islet cells.
Animal studies were successful, first clinical trials are underway: ... 175001.htm

Treatment: Gilenya since 01/2011, CCSVI both IJV ballooned 09/2010, Tysabri stopped after 24 Infusions and positive JCV antibody test, after LDN, ABX Wheldon Regime for 1 year.
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Postby Lyon » Tue Aug 26, 2008 1:23 pm

Last edited by Lyon on Sun Nov 27, 2011 1:34 pm, edited 1 time in total.
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Postby gibbledygook » Tue Aug 26, 2008 11:19 pm

Here's a chinese herb that upregulates beta interferon and tumour necrosis factor alpha in certain breast cancer cell lines:
1: Carcinogenesis. 2005 Nov;26(11):1934-9. Epub 2005 Jun 15. Links
The extract of huanglian, a medicinal herb, induces cell growth arrest and apoptosis by upregulation of interferon-beta and TNF-alpha in human breast cancer cells.Kang JX, Liu J, Wang J, He C, Li FP.
Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.

Huanglian (Coptidis rhizoma), a widely used herb in traditional Chinese medicine, has been shown recently to possess anticancer activities. However, the molecular mechanism underlying the anticancer effect of the herb is poorly understood. Specifically, whether huanglian extract affects the expression of cancer-related genes has not been defined. This study used DNA microarray technology to examine the effect of the herbal extract on expression of the common genes involved in carcinogenesis in two human breast cancer cell lines, the ER-positive MCF-7 and ER-negative MDA-MB-231 cells. Treatment of the cancer cells with huanglian extract markedly inhibited their proliferation in a dose- and time-dependent manner. The growth inhibitory effect was much more profound in MCF-7 cell line than that in MDA-MB-231 cells. DNA microarray assay revealed that treatment with huanglian dramatically increased the mRNA expression of interferon-beta (IFN-beta) and tumor necrosis factor-alpha in MCF-7 cells. Quantitative analysis by real-time PCR or western blotting confirmed the upregulation of the two genes (especially IFN-beta) in MCF-7 cells, but not in MDA-MB-231 cells. Addition of neutralizing antibody against IFN-beta to culture medium markedly inhibited the huanglian-induced antiproliferative effect, confirming the involvement of IFN-beta in the huanglian's effect and also suggesting an autocrine pathway for the action of IFN-beta in this setting. Given that IFN-beta is among the most important anticancer cytokines, the upregulation of this gene by huanglian is, at least in part, responsible for its antiproliferative effect. The results of this study implicate huanglian as a promising herb for chemoprevention and chemotherapy of certain cancers.
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And another:
1: Biochem Biophys Res Commun. 2004 Sep 24;322(3):751-8. Links
Action of solamargine on TNFs and cisplatin-resistant human lung cancer cells.Liang CH, Liu LF, Shiu LY, Huang YS, Chang LC, Kuo KW.
Department of Biochemistry, School of Medicine, Kaohsiung Medical University, Taiwan, ROC.

A loss of TNF receptors expression has been found in advanced lung cancers, and human A549 lung adenocarcinoma cells are resistant to the cytotoxic effects of TNF-alpha and cisplatin. Here, the mechanisms of the drug resistance of A549 were extensively studied by gene modulation of the cells by solamargine (SM) which was isolated from Solanum incanum herb. SM induced morphological changes of chromatin condensation, DNA fragmentation, and sub-G(1) peak in a DNA histogram of A549 cells, indicating cell death by apoptosis. SM elevated the expressions of TNF-R1 and -R2 and overcame the resistance of A549 cells to TNF-alpha and -beta. The recruitment of TRADD, FADD, and activation of caspase-8 and -3 in SM-treated A549 cells evidenced the activation of TNFRs signal transduction. In addition, release of cytochrome c from mitochondria, down-expression of Bcl-2 and Bcl-x(L), up-regulation of Bax, and caspase-9 activities were observed in SM-treated A549 cells. Combinational treatment of SM and cisplatin synergistically enhanced caspase-8, -9, and -3 activities in A549 cells. Thus, SM sensitizes A549 cells through TNFRs and mitochondria-mediated pathways and may have anticancer potential against TNFs- and cisplatin-resistance lung cancer cells.
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Re: Selective Diabetes Typ I treatment

Postby NHE » Wed Aug 27, 2008 1:11 am

The whole issue with TNF is particularly interesting as early studies with TNF blocking antibodies were found to increase lesion activity. It will be interesting to see what this new compound will do for MS patients.

Increased MRI activity and immune activation in two multiple sclerosis patients treated with the monoclonal anti-tumor necrosis factor antibody cA2. Neurology. 1996 Dec;47(6):1531-4.

There is evidence that treatment with an antibody to tumor necrosis factor alpha (TNF alpha) improves an animal model of multiple sclerosis (MS) and is beneficial in two systemic inflammatory disease in humans, but there are no reports about anti-TNF treatment of MS. Therefore, we treated two rapidly progressive MS patients with intravenous infusions of a humanized mouse monoclonal anti-TNF antibody (cA2) in an open-label phase I safety trial and monitored their clinical status, gadolinium-enhanced brain magnetic resonance imaging (MRI), and peripheral blood and cerebrospinal fluid (CSF) immunologic status. We did not notice any clinically significant neurologic changes in either patient. The number of gadolinium-enhancing lesions increased transiently after each treatment in both patients. CSF leukocyte counts and IgG index increased after each treatment. The transient increase in the number of gadolinium-enhancing lesions that followed each infusion of cA2 together with the increase in cells and immunoglobulin in the CSF of each patient suggest that the treatment caused immune activation and an increase in disease activity. These results suggest that further use of cA2 in MS is not warranted and that studies of other agents that antagonize TNF alpha should be carried out with frequent monitoring of gadolinium-enhanced MRIs.

Another early study in secondary progressive MS patients found no benefit to blocking TNF.

Randomized study of antibodies to IFN-gamma and TNF-alpha in secondary progressive multiple sclerosis.
Mult Scler. 2001 Oct;7(5):277-84.

Studies of cytokines in multiple sclerosis (MS) have shown that immune mechanisms connected with disturbance of the synthesis of cytokines probably play critical roles in the initiation and prolongation of MS. In a double-blind, placebo-controlled trial, 45 patients with active secondary progressive MS were randomized to three groups of 15 patients, each receiving a short course of antibodies to IFN-gamma, to tumor necrosis factor (TNF)-alpha, or a placebo. After 12 months with analysis of disability (Expanded Disability Status Scale scores), accompanied by interval determinations of lymphocyte subpopulations, cytokine production levels, MRI, and evoked potentials, it was found that only patients who received antibodies to IFN-gamma showed statistically significant improvement compared to the placebo group--a significant increase in the number of patients without confirmed disability progression. This was supported by MRI data (a decrease in the number of active lesions) and systemic changes in cytokine status (a decrease in IL-1beta, TNF-alpha, and IFN-gamma concentrations in supernatants of actvated blood cells of these MS patients and an increase in TGF-beta production). Neutralization of IFN-gamma could be a new approach to treating secondary progressive MS. Long-term administration of humanized monoclonal antibodies to IFN-gamma and simultaneous use of antibodies to IFN-gamma together with IFN-beta products are planned.

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Postby gibbledygook » Tue Sep 02, 2008 6:41 am

Here's the pubmed citation:
1: Proc Natl Acad Sci U S A. 2008 Aug 28. [Epub ahead of print] Links
Selective death of autoreactive T cells in human diabetes by TNF or TNF receptor 2 agonism.Ban L, Zhang J, Wang L, Kuhtreiber W, Burger D, Faustman DL.
Department of Immunobiology, Massachusetts General Hospital and Harvard Medical School, Building 149, 13th Street, Boston, MA 02129.

Human autoimmune (AI) diseases are difficult to treat, because immunosuppressive drugs are nonspecific, produce high levels of adverse effects, and are not based on mechanistic understanding of disease. Destroying the rare autoreactive T lymphocytes causing AI diseases would improve treatment. In animal models, TNF selectively kills autoreactive T cells, thereby hampering disease onset or progression. Here, we seek to determine, in fresh human blood, whether TNF or agonists of TNF selectively kill autoreactive T cells, while sparing normal T cells. We isolated highly pure CD4 or CD8 T cells from patients with type 1 diabetes (n = 675), other AI diseases, and healthy controls (n = 512). Using two cell death assays, we found that a subpopulation of CD8, but not CD4, T cells in patients' blood was vulnerable to TNF or TNF agonist-induced death. One agonist for the TNFR2 receptor exhibited a dose-response pattern of killing. In type 1 diabetes, the subpopulation of T cells susceptible to TNF or TNFR2 agonist-induced death was traced specifically to autoreactive T cells to insulin, a known autoantigen. Other activated and memory T cell populations were resistant to TNF-triggered death. This study shows that autoreactive T cells, although rare, can be selectively destroyed in isolated human blood. TNF and a TNFR2 agonist may offer highly targeted therapies, with the latter likely to be less systemically toxic.
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