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Studies suggest that astrocytes and microglia in the spinal cord are involved in the development of persistent pain induced by tissue inflammation and nerve injury. However, the role of glial cells in bone cancer pain is not well understood. The present study evaluated the spinal glial activation in a novel rat model of bone cancer pain produced by(More)
BACKGROUND To determine the feasibility and significance of lymphatic mapping and sentinel lymph node biopsy (SLNB) in patients with gastric cancer. METHODS From August 1999 to January 2002, 27 gastric cancer patients underwent lymphatic mapping and sentinel lymph node biopsy using isosulfan blue dye. RESULTS The success rate of SLNB was 96.3% (26 of(More)
PURPOSE Colorectal cancer is a major cause of death worldwide. To reduce the incidence and mortality from rectal cancer, an individual quantitative risk-assessment model (hereafter referred to as the Attributive Degree Value) and reverse passive hemagglutination fecal occult blood test were used in a randomized, controlled, population-based trial that was(More)
Although it has been shown that pro-inflammatory cytokines such as interleukin-1beta (IL-1beta) facilitate perception of noxious inputs at the spinal level, the mechanisms have not been understood. This study determined the cell type that produces IL-1beta, the co-localization of IL-1 receptor type I (IL-1RI) and Fos and NR1 in the spinal cord, and the(More)
Multidrug resistance (MDR) to chemotherapy is a significant barrier to the effective treatment of chromic myeloid leukemia (CML). In an attempt to identify more factors associated with MDR for an understanding of the mechanism, we first established an adriamycin (ADR)-resistant human erythroleukemia cell line K562/ADR by stepwise selection in vitro using(More)
BACKGROUND The lengthening and the contractility of the digestive tract were studied. METHODS The stretched length of specimens was measured under pull weights of 500 g and 1000 g; the contracted length was measured in natural status and in 10% formalin fixation in vitro. The lengthening or contractility rate was calculated as the length difference(More)
BACKGROUND Although pain affects the quality of life of cancer patients, current medical treatments are either ineffective or have side effects. In the present study we investigated the effect of electroacupuncture (EA) on cancer-induced hyperalgesia and expression of interleukin-1beta (IL-1beta), upregulation of which is related to the maintenance of(More)
Our previous study showed that electroacupuncture (EA), an adjuvant to conventional medicine, significantly attenuated hyperalgesia in a rat model of inflammatory pain. In the present study, we evaluated the potential additive and/or synergism of EA and a sub-effective dose of dizocilpine maleate (MK-801), a non-competitive N-methyl-d-aspartate (NMDA)(More)
Our previous study showed that electroacupuncture (EA) significantly attenuated inflammatory hyperalgesia. It has also been reported that EA analgesia in uninjured animals is mediated by mu and delta opioid receptors at 2-15 Hz and by kappa opioid receptor at 100 Hz. Because persistent pain changes neural response to external stimulation, we hypothesized(More)
Preoperative chemotherapy (PCT) has become the standard of care in locally advanced breast cancer. The identification of patient-specific tumor characteristics that can improve the ability to predict response to therapy would help optimize treatment, improve treatment outcomes, and avoid unnecessary exposure to potential toxicities. This study is to(More)