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Studies have shown that the production of nagalase has a mutual relationship with Gc-MAF level and immunosuppression

It has been demonstrated that serum levels of nagalase are good prognosticators of some types of cancer

The nagalase level in serum correlates with tumor burden and it has been shown that Gc-MAF therapy progresses, nagalase activity decreases

It has been shown that Gc-MAF can inhibit the angiogenesis induced by pro-inflammatory prostaglandin E1

The effect of Gc-MAF on chemotaxis or activation of tumoricidal macrophages is likely the main mechanism against angiogenesis.

Administration of Gc-MAF stimulates immune-cell progenitors for extensive mitogenesis, activates macrophages and produces antibodies. “This indicates that Gc-MAF is a powerful adjuvant for immunization.”

Cancer cell lines do not develop into tumor genes in mouse models after Gc-MAF-primed immunization (29-31) and the effect of Gc-MAF has been approved for macrophage stimulation for angiogenesis, proliferation, migration and metastatic inhibition on tumors induced by MCF-7 human breast cancer cell line

The protocol included: "a high dose of second-generation Gc-MAF (0.5 ml) administered twice a week intramuscularly for a total of 21 injections.”

Yamamoto et al. showed that the administration of Gc-MAF to 16 patients with prostate cancer led to improvements in all patients without recurrence

Inui et al. reported that a 74-year-old man diagnosed with prostate cancer with multiple bone metastases was in complete remission nine months after initiation of GcMAF therapy simultaneously with hyper T/NK cell, high-dose vitamin C and alpha lipoic acid therapy

It has also been approved for non-neoplastic diseases such as autism (41), multiple sclerosis (42, 43), chronic fatigue syndrome (CFS) (40), juvenile osteoporosis (44) and systemic lupus erythematous (45).

Gc-MAF has been verified for use in colon, thyroid (38), lung (39), liver, thymus (36), pancreatic (40), bladder and ovarian cancer and tongue squamous carcinoma

Prostate, breast, colon, liver, stomach, lung (including mesothelioma), kidney, bladder, uterus, ovarian, head/neck and brain cancers, fibrosarcomas and melanomas are the types of cancer tested thus far

weekly administration of 100 ng Gc-MAF to cancer at different stages and types showed curative effects at different follow-up times

this treatment has been suggested for non-anemic patients

Studies have shown that weekly administration of 100 ng Gc-MAF to cancer patients had curative effects on a variety of cancers

Because the half-life of the activated macrophages is approximately one week, it must be administered weekly

In vivo weekly intramuscular administration of Gc-MAF (100 ng) for 16-22 weeks was used to treat patients with breast cancer

individuals harboring different VDR genotypes had different responses to Gc-MAF and that some genotypes were more responsive than others

Administration of Gc-MAF for cancer patients exclusively activates macrophages as an important cell in adaptive immunity

Gc-MAF supports humoral immunity by producing, developing and releasing large quantities of antibodies against cancer. Clinical evidence from a human model of breast cancer patients supports this hypothesis

There is also evidence that confirms the tumoricidal role of Gc-MAF via Fc-receptor mediation

It is likely that the best therapeutic responses will be observed when the nutritional and inflammatory aspects are taken together with stimulation of the immune system

it should be noted that no harmful side effects of Gc-MAF treatment have been reported, even when it was successfully administered to autistic children

The natural activation mechanism of macrophages by Gc-MAF is so natural and it should not have any side effects on humans or animal models even in cell culture

Besides the Gc-MAF efficacy on macrophage activity, it can be a potential anti-angiogenic agent (28) and an inhibitor of the migration of cancerous cells in the absence of macrophages (47).

Activating or modifying natural killer cells, dendritic cells, DC, CTL, INF and IL-2 have all been recommended for cancer immunotherapy

It has been reported that nagalase cannot deglycosylate Gc-MAF as it has specificity for Gc globulin alone

inflammation-derived macrophage activation with the participation of B and T lymphocytes is the main mechanism

macrophages highly-activated by the addition of Gc-MAF can show tumoricidal activity

Previous clinical investigations have confirmed the efficacy of Gc-MAF. In addition to activating existing macrophages, Gc-MAF is a potent mitogenic factor that can stimulate the myeloid progenitor cells to increase systemic macrophage cell counts by 40-fold in four days

As GcMAF therapy progressed the MAF precursor activity of all five patients increased and their serum Nagalase activity decreased inversely

As GcMAF therapy progressed, the MAF precursor activity increased with a concomitant decrease in serum Nagalase activity

serum Nagalase is proportional to tumor burden

as GcMAF therapy progressed, serum Nagalase activity decreased and, concomitantly, tumor burden decreased

the serum Nagalase activities of all 16 patients decreased as GcMAF therapy progressed

annual computed tomographic scans of these patients confirmed them being tumor recurrence-free for the 7 years

undifferentiated cells were killed rapidly during the first few weeks, and the differentiated cells were killed slowly in the remaining GcMAF therapeutic period

PSA levels of prostatectomized patients decreased as serum Nagalase decreased during GcMAF therapy

In patients without tumor resection, however, although serum Nagalase activity decreased as GcMAF therapy progressed, their PSA values remained unchanged. The result suggests that the PSA derived from tumor-bearing prostate did not change while tumor burden decreased. Because tumor-induced inflammation in the noncancerous prostate tissues causes secretion of PSA [38], the PSA produced from these inflamed noncancerous prostate tissues cannot be changed by the decrease in tumor burden

Advanced cancer patients have high serum Nagalase activities, resulting in no macrophage activation and severe immunosuppression that explain why cancer patients die with overwhelming infection

Prognostic utility of serum α-N-acetylgalactosaminidase and immunosuppression resulted from deglycosylation of serum Gc protein in oral cancer patients