Nobuyuki Hamajima

Publication List Details

Period

1986 - 2009

Number

48

Co-Authors

Smoking cessation, alcohol intake and transient increase in the risk of metabolic syndrome among Japanese smokers at one health checkup institution (2009)

Hishida, Asahi, Koyama, Atsushi, Tomota, Akiko, Katase, Shirou, Asai, Yatami, Hamajima, Nobuyuki

Abstract Background Metabolic syndrome (MetS) is potentially effective measures to identify individuals at risk of coronary heart disease (CHD) and type 2 diabetes. To verify the hypothesis that...

Associations of a PTPN11G/A polymorphism at intron 3 with Helicobactor pyloriseropositivity, gastric atrophy and gastric cancer in Japanese (2009)

Hishida, Asahi, Matsuo, Keitaro, Goto, Yasuyuki, Naito, Mariko, Wakai, Kenji, Tajima, Kazuo, ...

Abstract Background Previous studies have revealed the significance of Helicobacter pylori ( H. pylori ) infection as a risk factor of gastric cancer. Cytotoxin-associated gene A ( cagA ) positivity...

CONTROLS FOR MONITORING THE DETERIORATION OF STORED BLOOD SAMPLES IN THE JAPAN MULTI-INSTITUTIONAL COLLABORATIVE COHORT STUDY (J-MICC STUDY) (2008)

NAITO, MARIKO, EGUCHI, HIDETAKA, OKADA, RIEKO, ISHIDA, YOSHIKO, NISHIO, KAZUKO, HISHIDA, ASAHI, ...

Cohort studies commonly store blood samples to measure the associations of biomarkers with disease risks for a long time after the study subjects are enrolled. To obtain valid measurements of the...

Association of Epstein-Barr virus antibody titers with a human IL-10 promoter polymorphism in Japanese women (2008)

Yasui, Yutaka, Hamajima, Nobuyuki, Nakamura, Tsuneya, El-Din, Noha, Tajima, Kazuo, Potter, John D

Abstract Background Multiple sclerosis (MS) risk, over 10-fold higher in Western than in Asian countries, is associated with elevated IgG antibody titers against Epstein-Barr viral capcid antigen...

METABOLIC SYNDROME DEFINED BY NEW CRITERIA IN JAPANESE IS ASSOCIATED WITH INCREASED LIVER ENZYMES AND C-REACTIVE PROTEIN (2008)

Taki, Kentaro, Nishio, Kazuko, Hamajima, Nobuyuki, Niwa, Toshimitsu

Metabolic syndrome (MetS) is characterized by the presence of atherogenic risk factors, and is associated with a marked increase in the risk of cardiovascular disease. Recently, the criteria of MetS...

From (2008)

Keitaro Matsuo, Ritsuro Suzuki, Nobuyuki Hamajima, Michinori Ogura, Yoshitoyo Kagami, Hirofumi Taji, ...

doi:10.1182/blood.V97.10.3205 Association between polymorphisms of folate- and methionine-metabolizing enzymes and susceptibility to malignant lymphoma

Smoking Cessation After Genotype Notification: Pilot Studies of Smokers Employed by a Municipal Government and Those on Nagoya University Medical Campus (2007)

Kano, Mayuko, Goto, Yasuyuki, Atsuta, Yoshiko, Naito, Mariko, Hamajima, Nobuyuki

In order to examine whether a notification of genotypes related to a susceptibility to smoking has any influence on an intention to quit, a pilot study was conducted for 61 smokers out of 66...

HIV/AIDS Related Knowledge and Risk Behaviors Among Female Sex Workers in Two Major Cities of Mongolia (2007)

Enkhbold, Sereenen, Tugsdelger, Sovd, Morita, Satoshi, Sakamoto, Junichi, Hamajima, Nobuyuki

The prevalence of HIV/AIDS in Mongolia is still low. Only 29 HIV/AIDS cases have been registered in Mongolia with a population of 2.6 millions, as of April, 2007. In all of the cases the infection...

No Association Between Helicobacter Pylori Seropositivity and Ornithine Decarboxylase (ODC) A317G Polymorphism, and No Modification by NAD(P)H : Qinone Oxidoreductase 1 (NQO1) C609T (2007)

Goto, Yasuyuki, Nishio, Kazuko, Ishida, Yoshiko, Kawai, Sayo, Osafune, Tomo, Naito, Mariko, ...

Our previous epidemiologic study reported that NAD(P)H:quinone oxidoreductase 1 (NQO1) 609C/C with full enzyme activity was a high risk genotype for Helicobacter pylori (H. pylori) seropositivity....

Effectiveness of Implementation of Gastric and Duodenal Ulcer Clinical Protocol in the Kyrgyz Republic (2007)

Shimarova, Memerian, Nishimura, Akio, Ito, Katsuki, Hamajima, Nobuyuki

The introduction of a clinical protocol for the treatment of gastric and duodenal ulcer (GDU) may be one of the solutions for the high morbidity and complications of these diseases. This descriptive...

HIV prevalence and factors associated with HIV infection among male injection drug users under 30: a cross-sectional study in Long An, Vietnam (2006)

Tran, Thu Minh T, Nguyen, Hien T, Yatsuya, Hiroshi, Hamajima, Nobuyuki, Nishimura, Akio, Ito, Katsuki

Abstract Background Sufficient targeted HIV prevention activities aiming at reducing HIV transmission within and from an extremely marginalized population of injection drug users (IDUs) must urgently...

Elective neck irradiation on ipsilateral side in patients with early tongue cancer for high-risk group with late cervical lymph node metastasis (2006)

Ito, Yoshiyuki, Fuwa, Nobukazu, Kikuchi, Yuzo, Yokoi, Norio, Hamajima, Nobuyuki, Morita, Kozo, ...

A prospective study was performed to assess the effi cacy of elective neck irradiation (ENI) on the ipsilateral side in patients with early tongue cancer among a high-risk group with late cervical...

Polymorphism of dihydropyrimidine dehydrogenase (DPYD) Cys29Arg and risk of six malignancies in Japanese (2005)

Tanaka, Daisuke, Hishida, Asahi, Matsuo, Keitaro, Iwata, Hiroji, Shinoda, Masayuki, Yamamura, Yoshitaka, ...

Dihydropyrimidine dehydrogenase (DPD) is the enzyme catalyzing the first step of pyrimidine metabolism. To date, genetic polymorphisms of pyrimidine-synthesizing enzymes have been reported to be...

Genotype announcement in a genetic polymorphism study for health checkup examinees at Nagoya University Hospital (2004)

Nishio, Kazuko, Tanaka, Daisuke, Atsuta, Yoshiko, Yamamoto, Kazuhito, Tamakoshi, Akiko, Nakamura, Sakurako, ...

On June 9, 2003, we started free genetic tests of eight polymorphisms for health checkup examinees who attended a basic course at Nagoya University Hospital. They were informed of their genotypes...

Associations between Disease Risk and Eight Polymorphisms Adopted for Genotype Announcements at Nagoya University Hospital (2004)

Nishio, Kazuko, Nakamura, Sakurako, Sekido, Yoshitaka, Niwa, Toshimitsu, Hamajima, Nobuyuki

Genetic polymorphisms have the potential to predict disease susceptibility. This may be especially useful among individuals with a high-risk lifestyle, so that the genotyping could be adopted for...

Gene-environment interactions between the smoking habit and polymorphisms in the DNA repair genes, APE1 Asp148Glu and XRCC1 Arg399Gln, in Japanese lung cancer risk (2004)

Ito, Hidemi, Matsuo, Keitaro, Hamajima, Nobuyuki, Mitsudomi, Tetsuya, Sugiura, Takahiko, Saito, Toshiko, ...

APE1 (apurinic/apyrimidinic endonuclease 1) and XRCC1 (X-ray cross-complementing group1) are DNA repair proteins that play important roles in the base excision repair (BER) pathway. Polymorphisms in...

Gene-environment interactions between the smoking habit and polymorphisms in the DNA repair genes, APE1 Asp148Glu and XRCC1 Arg399Gln, in Japanese lung cancer risk (2004)

Ito, Hidemi, Matsuo, Keitaro, Hamajima, Nobuyuki, Mitsudomi, Tetsuya, Sugiura, Takahiko, Saito, Toshiko, ...

APE1 (apurinic/apyrimidinic endonuclease 1) and XRCC1 (X-ray cross-complementing group 1) are DNA repair proteins that play important roles in the base excision repair (BER) pathway....

Persistent helicobactor pylori infection and genetic polymorphisms of the host (2003)

Hamajima, Nobuyuki

Helicobacter pylori (HP) infection elevates the risk of gastric diseases including peptic ulcer and gastric cancer. The infection induces inflammatory cytokines, which could work both for and against...

Epidemiology of pancreatic cancer in Japan: a nested case-control study from the Hospital-based Epidemiologic Research Program at Aichi Cancer Center (HERPACC) (2003)

Inoue, Manami, Tajima, Kazuo, Takezaki, Toshiro, Hamajima, Nobuyuki, Hirose, Kaoru, Ito, Hidemi, ...

Background To clarify lifestyle factors that affect the risk of pancreatic cancer among the Japanese population, a nested case-control study was conducted using data from the Hospital-based...

DUPLEX POLYMERASE CHAIN REACTION WITH CONFRONTING TWO-PAIR PRIMERS (PCR-CTPP) FOR GENOTYPING ALCOHOL DEHYDROGENASE {beta} SUBUNIT (ADH2) AND ALDEHYDE DEHYDROGENASE 2 (ALDH2) (2003)

Tamakoshi, Akiko, Hamajima, Nobuyuki, Kawase, Haruya, Wakai, Kenji, Katsuda, Nobuyuki, Saito, Toshiko, ...

Aims: Alcohol dehydrogenase β subunit (ADH2) Arg47His and aldehyde dehydrogenase 2 (ALDH2) Glu487Lys were genotyped by a duplex polymerase chain reaction (PCR) with confronting two-pair primers...

A49T, V89L and TA repeat polymorphisms of steroid 5α-reductase type II and breast cancer risk in Japanese women (2002)

Yang, Chunxia, Hamajima, Nobuyuki, Iwata, Hiroji, Saito, Toshiko, Matsuo, Keitaro, Hirose, Kaoru, ...

Abstract Background Breast cancer is hormone related, as are cancers of the endometrium, ovary, and prostate. Several studies have suggested that higher extracellular levels of androgens are...

Significant Reduction in Breast Cancer Risk for Japanese Women with Interleukin 1B -31 CT/TT Relative to CC Genotype (2002)

Ito, Lucy Sayuri, Iwata, Hiroji, Hamajima, Nobuyuki, Saito, Toshiko, Matsuo, Keitaro, Mizutani, Mitsuhiro, ...

Objective: The present case-control study aimed to examine the associations between breast cancer risk and three functional polymorphisms (Interleukin (IL) –1A C-889T, IL-1B C-31T and IL-1RN 86-bp...

Possible association of β2- and β3-adrenergic receptor gene polymorphisms with susceptibility to breast cancer (2001)

Huang, Xin-En, Hamajima, Nobuyuki, Saito, Toshiko, Matsuo, Keitaro, Mizutani, Mitsuhiro, Iwata, Hiroji, ...

Abstract Background The involvement of β 2 -adrenergic receptor (ADRB2) and β 3 -adrenergic receptor (ADRB3) in both adipocyte lipolysis and thermogenic activity suggests that polymorphisms in the...

Gene-environment interaction between an aldehyde dehydrogenase-2 (ALDH2) polymorphism and alcohol consumption for the risk of esophageal cancer (2001)

Matsuo, Keitaro, Hamajima, Nobuyuki, Shinoda, Masayuki, Hatooka, Shunzo, Inoue, Manami, Takezaki, Toshiro, ...

Aldehyde dehydrogenase-2 (ALDH2) degrades acetaldehyde metabolized from ethanol. Its encoding gene ALDH2 has a functional polymorphism: ALDH2 Glu487Lys. An association between this polymorphism and...

Dealing with the Proportional Hazards Assumption when Using the Proportional Hazards Model with a Single Independent Variable (1989)

Shibata, Atsuko, Hamajima, Nobuyuki, Tamakoshi, Akiko, Suzuki, Sadao, Sasaki, Ryuichiro, Aoki, Kunio

In order to examine the proportional hazards assumption implicit in the proportional hazards model, three types of simulations were carried out on two groups of hypothetical survival data. Simulation...

Eradication rate of Helicobacter pylori according to genotypes of CYP2C19, IL-1B, and TNF-A

Ishida, Yoshiko, Goto, Yasuyuki, Kondo, Takaaki, Kurata, Mio, Nishio, Kazuko, Kawai, Sayo, ...

Background: Lansoprazole, amoxicillin, and clarithromycin are commonly used drugs for eradication of Helicobacter pylori (H. pylori). A few studies reported that the eradication rate was influenced...

Eradication rate of Helicobacter pylori according to genotypes of CYP2C19, IL-1B, and TNF-A

Ishida, Yoshiko, Goto, Yasuyuki, Kondo, Takaaki, Kurata, Mio, Nishio, Kazuko, Kawai, Sayo, ...

Background: Lansoprazole, amoxicillin, and clarithromycin are commonly used drugs for eradication of Helicobacter pylori (H. pylori). A few studies reported that the eradication rate was influenced...

Grb2-associated binder 1 polymorphism was associated with the risk of Helicobactor pylori infection and gastric atrophy

Goto, Yasuyuki, Ando, Takafumi, Nishio, Kazuko, Kawai, Sayo, Ishida, Yoshiko, Naito, Mariko, ...

Background: Various single nucleotide polymorphisms (SNPs) have explained the association between Helicobacter pylori (H. pylori) and gastric atrophy and cancer. This study investigated the...

No associations of Helicobacter pylori infection and gastric atrophy with plasma total homocysteine in Japanese

Itou, Simon, Goto, Yasuyuki, Kondo, Takaaki, Nishio, Kazuko, Kawai, Sayo, Ishida, Yoshiko, ...

Recent studies have suggested that Helicobacter pylori (H. pylori) infection might be a risk factor for atherosclerosis. Since the bacterium has not been isolated from atherosclerotic lesions, a...

Detection of Cyclin D1 Overexpression by Real-Time Reverse-Transcriptase-Mediated Quantitative Polymerase Chain Reaction for the Diagnosis of Mantle Cell Lymphoma

Suzuki, Ritsuro, Takemura, Kazuo, Tsutsumi, Masayoshi, Nakamura, Shigeo, Hamajima, Nobuyuki, Seto, Masao

The diagnosis of mantle cell lymphoma (MCL) is particularly important for clinical management because of a remarkable prognostic difference between MCL and other types of B-cell lymphoma. In addition...

Competitive Amplification and Unspecific Amplification in Polymerase Chain Reaction with Confronting Two-Pair Primers

Hamajima, Nobuyuki, Saito, Toshiko, Matsuo, Keitaro, Tajima, Kazuo

Polymerase chain reaction with confronting two-pair primers (PCR-CTPP) is an inexpensive, time-saving genotyping method that is applicable for most single nucleotide polymorphisms. To date, we have...

Association between vitamin D receptor gene haplotypes and chronic periodontitis among Japanese men

Naito, Mariko, Miyaki, Koichi, Naito, Toru, Zhang, Ling, Hoshi, Keika, Hara, Asako, ...

Background: The vitamin D receptor (VDR) is involved in a variety of biological processes, such as bone metabolism and modulation of the immune response. Recent findings suggest that the pathway...

Significant association between Helicobacter pylori infection and serum C-reactive protein

Ishida, Yoshiko, Suzuki, Koji, Taki, Kentaro, Niwa, Toshimitsu, Kurotsuchi, Shozo, Ando, Hisao, ...

Background: Helicobacter pylori (H. pylori) infection in gastric mucosa may cause systemic inflammatory reaction. This study aimed to examine the association between the infection and serum high...

Polymorphisms of alcohol dehydrogenase 2 and aldehyde dehydrogenase 2 and colorectal cancer risk in Chinese males

Gao, Chang-Ming, Takezaki, Toshiro, Wu, Jian-Zhong, Zhang, Xiao-Mei, Cao, Hai-Xia, Ding, Jian-Hua, ...

AIM: To evaluate the relationship between drinking and polymorphisms of alcohol dehydrogenase 2 (ADH2) and/or aldehyde dehydrogenase 2 (ALDH2) for risk of colorectal cancer (CRC) in Chinese males.