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Página 1 a partir de 41 resultados
Aberrant crypts correlate with tumor incidence in F344 rats treated with azoxymethane and phytate.
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Aberrant crypts are putative preneoplastic lesions that have been proposed as intermediate biomarkers for colon cancer. The goals of these studies were to determine (i) if the colon cancer chemopreventive agent, sodium phytate, when started 1 week after a single dose of carcinogen, has any effect on
Tc-99m phytate bone marrow scintigraphy showing multiple areas of focal hyperactivity in a patient with lung cancer. A case report.
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Focal hyperactivity indicative of metastases is a rare finding in bone marrow imaging. In a lung cancer patient with multiple bony metastases, the Tc-99m phytate bone marrow imaging revealed multiple focal areas of increased radioactivity corresponding to the bone scan findings. The findings
Optimal imaging time for Tc-99m phytate lymphoscintigraphy for sentinel lymph node mapping in patients with breast cancer.
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99mTc-labeled sodium phytate and stannous chloride injection accurately detects sentinel lymph node in axillary of early stage breast cancer: a randomized, controlled study.
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UNASSIGNED
The aim of this study was to assess the sentinel lymph node (SLN) detection rate and accuracy of 99mTc-labeled sodium phytate and stannous chloride (99mTc-PHY) injection versus 99mTc-labeled sulfur colloid (99mTc-SC) injection in sentinel lymph node biopsy (SLNB) in patients with early
Phytate hydrolysate induces circumferential F-actin ring formation at cell-cell contacts by a Rho-associated kinase-dependent mechanism in colorectal cancer HT-29 cells.
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Phytate (inositol hexa-phosphate or IP6) possessing anticancer activity is hydrolyzed by phytase in intestinal microbes and the metabolites are distributed throughout the colon. Cellular circumferential F-actin rings, which are involved in cell polarity and structure, are lost early during
A novel mechanism underlying phytate-mediated biological action-phytate hydrolysates induce intracellular calcium signaling by a Gαq protein-coupled receptor and phospholipase C-dependent mechanism in colorectal cancer cells.
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Phytate (inositol hexa-phosphate, IP6) possesses multiple biological functions including anticancer activity. IP6 is converted to inositol di-, tri-, and tetra-phosphates (IP2, IP3, and IP4) by phytase in large intestinal microbes; however, their contribution to the IP6-mediated functions has not
Comparison of technetium 99m-phytate and technetium 99m-sulphur colloid in primary bone tumours.
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Eleven patients with proven primary bone tumour (five Ewing sarcomas, six osteosarcomas) and two cases of metastatic bone involvement (primary other than bone) were investigated with 99mTc-phytate and 99mTc-sulphur colloid to compare the behaviour of the two radiopharmaceuticals at the tumour site.
99mTc-phytate is better than 99mTc-human serum albumin as a radioactive tracer for sentinel lymph node biopsy in breast cancer.
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OBJECTIVE
Several radioactive agents are used for sentinel lymph node biopsy (SLNB) in breast cancer, but we are still unsure which of these is best. We retrospectively compared the effectiveness of two radioactive agents, 99mTc-phytate and 99mTc-human serum albumin (HSA), when used in combination
Evaluation of the composition of the regional diet in Sonora, México: incidence of colon cancer.
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Diet is responsible for about one third of the cancers. Dietary fiber, energy intake, fat and consumption of fruits and vegetables play an important role in different cancers. The regional Mexican diet is characterized as being high in dietary fiber, high in fat and energy but very low in fruits and
Dietary intrinsic phytate protects colon from lipid peroxidation in pigs with a moderately high dietary iron intake.
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High iron consumption has been proposed to relate to an increase in the risk of colon cancer, whereas high levels of supplemental sodium phytate effectively reduce iron-induced oxidative injury and reverse iron-dependent augmentation of colorectal tumorigenesis. However, the protective role of
Attempted use of zinc in vivo to protect against nitrogen mustard toxicity in tumor-free and in L1210 leukemia-bearing female B6D2F1 mice.
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The use of alkylating agents in treating cancer is limited by their toxicity to both normal and tumor tissue. Early in vitro studies indicated that zinc might be effective in mitigating this toxicity to normal tissue. The present studies were done to determine the capability of zinc to induce in
A case of an intra-atrial tumor thrombus from hepatocellular carcinoma (HCC), first indicated by 67Ga-citrate scintigraphy.
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We encountered a very rare case of an intra-atrial tumor thrombus from hepatocellular carcinoma (HCC). Conventional XCT and US gave evidence of HCC. In nuclear medicine studies performed incidentally, the first study with 99mTc-phytate liver scintigraphy showed 2 SOLs and evidence of chronic liver
Lignan precursors from flaxseed or rye bran do not protect against the development of intestinal neoplasia in ApcMin mice.
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Phytoestrogens, like isoflavonoids and lignans, have been postulated as possible colorectal cancer protective constituents. To investigate this hypothesis, two high-fiber sources rich in lignan precursors, i.e., rye bran and flaxseed, were tested for their ability to modulate intestinal tumor
Dietary fiber and breast cancer.
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The Fiber Hypothesis which had its origins in the work of Burkitt and others in the early 1970's, focussed largely on fiber's beneficial effects on colon cancer and disorders of the gastric intestinal tract. In the 1980's it was proposed that fiber may also have beneficial effects on breast cancer
Physiotherapeutic stimulation: Early prevention of lymphedema following axillary lymph node dissection for breast cancer treatment.
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The aim of this study was to confirm the effectiveness of early physiotherapeutic stimulation for lymphatic flow progression in patients with breast cancer undergoing axillary dissection. This was a randomized experimental study on 22 patients who underwent lymphoscintigraphy in their arms on two
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