Tomoaki Kitahara

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In the present study, we developed some novel gene delivery vectors, coated cationic complexes with γ-polyglutamic acid (γ-PGA) for effective and safe gene therapy. Cationic complexes were constructed with pDNA and cationic vectors, such as poly-L-arginine hydrochloride (PLA), poly-L-lysine hydrobromide (PLL), N-[1-(2, 3-dioleyloxy) propyl]-N, N,(More)
Tumor cell invasion and intravascular filtration lead to the presence of circulating tumor cells (CTCs) in peripheral blood. CTCs have, thus, been counted in patients with cancer to analyze metastatic mechanisms or in the hope of developing clinical applications for diagnosis and therapy; various CTC-related studies have been performed. However, the(More)
At the time of surgery for breast cancer, cancer cells released from the primary tumor have most likely entered blood or lymphatic vessels, leading to the development of micrometastases. Cancer cells directly produce angiogenesis stimulators, provoke the release of stimulators bound to the surrounding extracellular matrix and induce macrophages to secrete(More)
Recent gene profiling studies have identified at least 5 major subtypes of breast cancer, including normal type, luminal A type, luminal B type, human epidermal growth factor receptor (HER)-2 positive type, and basal-like type. Triple-negative breast cancer (TNBC), showing no or low expressions of estrogen receptor (ER), progesterone receptor (PgR), and(More)
BACKGROUND The oxaliplatin-based regimen FOLFOX is widely used to treat patients with advanced colorectal cancer (CRC). However, dose-limiting toxicity after continuous oxaliplatin administration can lead to peripheral neuropathy. Several agents, including opioids, that have been employed to treat oxaliplatin-induced peripheral neuropathy (OIPN) have been(More)
The results of clinical trials conducted in Europe and North America have been incorporated into treatment strategies for breast cancer in Japan. Despite the use of similar treatment regimens, why has mortality from breast cancer been increasing in Japan? Procedures for surgical treatment and sentinel lymph node biopsy in breast cancer do not differ between(More)
This clinicopathologic study involved 129 patients with ovarian endometriosis. All the lesions from the patients were classified macroscopically into two types being either cystic or non-cystic. The results are as follows. Endometriotic lesions were bilateral in 58 cases and unilateral in 71 cases. The average age of the patients was 38.8 and gravidity 1.8,(More)
We report a unique case of giant obstructing inflammatory polyposis associated with ulcerative colitis (UC). A 25-year-old Japanese man with an UC history of 2 years and 6 months was referred to our institution because of diarrhea and melena. His computed tomography scan showed marked dilation of the transverse and descending colon; therefore, we performed(More)
To estimate the actual states of uterine body invasion of carcinoma of the uterine cervix, 301 radically hysterectomized specimens were reviewed histologically. Incidence of uterine body invasion was 21.6% in all cases (65 cases out of 301), 7.8% in stage Ib, 25.5% in stage IIa, and 38.2% in stage IIb. Most of the positive invasion cases had spread to other(More)
196 Background: The oxaliplatin-based regimen FOLFOX is widely used to treat patients with advanced colorectal cancer (CRC). However, dose-limiting toxicity after continuous oxaliplatin administration can lead to peripheral neuropathy. Several agents, including opioids, that have been employed to treat oxaliplatin-induced peripheral neuropathy (OIPN) have(More)