研究業績

2021年

Sugimoto M, Hatta W, Tsuji Y, Yoshio T, Yabuuchi Y, Hoteya S, Doyama H, Nagami Y, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Murata M, Yamaguchi S, Michida T, Yada T, Asahina Y, Narasaka T, Kuribayashi S, Kiyotoki S, Mabe K, Fujishiro M, Masamune A, Kawai T.        Risk Factors for Bleeding After Endoscopic Submucosal Dissection for Gastric Cancer in Elderly Patients Older Than 80 Years in Japan. Clin Transl Gastroenterol. 2021 Sep 24;12(9):e00404.


Nagami Y, Hatta W, Tsuji Y, Yoshio T, Kakushima N, Hoteya S, Tsuji S, Fukunaga S, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Yoshida H, Fujishiro M, Masamune A, Fujiwara Y; Fight-Japan study group.                                  Antithrombotics increase bleeding after endoscopic submucosal dissection for gastric cancer: Nationwide propensity score analysis. Dig Endosc. 2021 Sep 26.

Tsuneoka H, Otsuyama KI, Motoki Y, Nojima J, Nishikawa J, Ichihara K.                                   Exploring the seasonal and regional features of cat-scratch disease on the basis of anti-Bartonella henselae IgM/IgG positive rates in Japan. J Infect Chemother. 2022 Jan;28(1):112-115.

Yabuuchi Y, Hatta W, Tsuji Y, Yoshio T, Kakushima N, Hoteya S, Doyama H, Nagami Y, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Sugimoto M, Yamaguchi S, Michida T, Yada T, Asahina Y, Narasaka T, Kuribayashi S, Kiyotoki S, Mabe K, Fujishiro M, Masamune A, Ono H. Influence of hospital volume on bleeding after endoscopic submucosal dissection for early gastric cancer in Japan: a multicenter propensity score-matched analysis. Surg Endosc. 2021 Sep 7.

Shiroma S, Hatta W, Tsuji Y, Yoshio T, Yabuuchi Y, Hoteya S, Tsuji S, Nagami Y, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Sugimoto M, Yamaguchi S, Michida T, Yada T, Asahina Y, Narasaka T, Kuribayashi S, Kiyotoki S, Mabe K, Fujishiro M, Masamune A, Fujisaki J.         Timing of bleeding and thromboembolism associated with endoscopic submucosal dissection for gastric cancer in Japan. J Gastroenterol Hepatol. 2021 Oct;36(10):2769-2777.

Fukuda S, Ito S, Nishikawa J (corresponding author), Takagi T, Kubota N, Otsuyama KI, Tsuneoka H, Nojima J, Harada K, Mishima K, Suehiro Y, Yamasaki T, Sakaida I.                                                            Deep Ultraviolet Light-Emitting Diode Light Therapy for Fusobacterium nucleatum. Microorganisms. 2021 Feb 19;9(2):430.

Fujimura H, Nishikawa J (corresponding author), Okamoto T, Goto A, Hamabe K, Sakaida I.                           Use of portable partitions with high-efficiency particulate air filters in the endoscopy unit. Endosc Int Open. 2021 Feb;9(2):E278-E279.

Hashimoto M, Hatta W, Tsuji Y, Yoshio T, Yabuuchi Y, Hoteya S, Doyama H, Nagami Y, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Sugimoto M, Fujishiro M, Masamune A, Ohira H; Collaborators.                                      Rebleeding in patients with delayed bleeding after endoscopic submucosal dissection for early gastric cancer. Dig Endosc. 2021 Nov;33(7):1120-1130.

Nishikawa J, Kaino S, Goto A, Harada E, Sakaida I.                                          Epstein-Barr virus-associated gastric carcinoma diagnosed by EUS-guided fine needle biopsy (with video). Endosc Ultrasound. 2021 Sep 3.

Sasaki S, Nishikawa J, Sakaida I.                                                   Underwater Cold Forceps Polypectomy for an Adenoma within a Cecal Diverticulum. Clin Endosc. 2021 May 26.

Kiyotoki S, Nishikawa J, Miyamoto J, Tanigawa K, Tsuchida S, Kawasato R, Nakashima T, Furutani T, Ozawa H, Yasunaga M, Sakaida I.     Delay of endoscopic submucosal dissection-induced gastric ulcer healing by methotrexate. Clin J Gastroenterol. 2021 Jun;14(3):754-758.


2020年

Kiyotoki S, Nishikawa J (corresponding author), Nagata N, Niikura R, Doyama H, Imagawa A, Hasatani K, Hatta W, Sumiyoshi T, Nebiki H, Nagami Y, Nishida T, Kakushima N, Iguchi M, Tomida H, Inoue T, Kuribayashi S, Narasaka T, Hikichi T, Yada T, Ochiai Y, Furuhashi H, Yoshio T, Mori H, Yamauchi K, Kitamura K, Fujita T, Mabe K, Mikami T, Goto A, Akashi M, Hamamoto Y, Fujishiro M, Sakaida I.
Exploration of the characteristics of chronotypes in upper gastrointestinal tract diseases: a multicenter study in Japan.
Chronobiol Int. Oct 15:1-9, 2020. (IF 2.486)

Takagi T, Nishikawa J (corresponding author), Yanagihara M, Fukuda S, Kubota N, Kobayashi Y, Otsuyama KI, Nojima J, Tsuneoka H, Sakai K, Suehiro Y, Yamasaki T, Sakurai K, Itatani K, Sakaida I.
Microbicidal effect of deep ultraviolet light-emitting diode irradiation.
Lasers Med Sci. Sep 9, 2020. (IF 2.342)

Tsuji Y, Ushiku T, Shinozaki T, Yamashita H, Seto Y, Fukayama M, Fujishiro M, Oda I, Katai H, Taniguchi H, Hasatani K, Kaizaki Y, Oga A, Nishikawa J, Akasaka R, Endo M, Sugai T, Matsumoto T, Koike K.
Risk for lymph node metastasis in Epstein-Barr virus-associated gastric carcinoma with submucosal invasion.
Dig Endosc. Aug 27, 2020. (IF 4.774)

Tomida H, Yoshio T, Igarashi K, Morita Y, Oda I, Inoue T, Hikichi T, Sumiyoshi T, Doyama H, Tsuji Y, Nishikawa J, Hatta W, Mikami T, Iguchi M, Sumiyama K, Yamamoto K, Kitamura K, Kuribayashi S, Yanagitani A, Uraoka T, Yada T, Hasatani K, Kawaguchi K, Fujita T, Nishida T, Hiasa Y, Fujishiro M; FIGHT-Japan Study Group.
Influence of anticoagulants on the risk of delayed bleeding after gastric endoscopic submucosal dissection: a multicenter retrospective study.
Gastric Cancer. Jul 18, 2020. (IF 7.088)

Hatta W, Tsuji Y, Yoshio T, Kakushima N, Hoteya S, Doyama H, Nagami Y, Hikichi T, Kobayashi M, Morita Y, Sumiyoshi T, Iguchi M, Tomida H, Inoue T, Koike T, Mikami T, Hasatani K, Nishikawa J, Matsumura T, Nebiki H, Nakamatsu D, Ohnita K, Suzuki H, Ueyama H, Hayashi Y, Sugimoto M, Yamaguchi S, Michida T, Yada T, Asahina Y, Narasaka T, Kuribasyashi S, Kiyotoki S, Mabe K, Nakamura T, Nakaya N, Fujishiro M, Masamune A.
Prediction model of bleeding after endoscopic submucosal dissection for early gastric cancer: BEST-J score. Gut. Jun 4:gutjnl-2019-319926, 2020. (IF 19.819)

Hideura E, Suehiro Y, Nishikawa J (corresponding author), Shuto T, Fujimura H, Ito S, Goto A, Hamabe K, Saeki I, Okamoto T, Higaki S, Fujii I, Suzuki C, Hoshida T, Matsumoto T, Takami T, Sakaida I, Yamasaki T.
Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer.
Cancers (Basel). 12(4), 789, 2020. (IF 6.126)

Goto A, Nishikawa J, Ito S, Hideura E, Shirasawa T, Hamabe K, Hashimoto S, Okamoto T, Yanai H, Sakaida I.
Estimation of salt intake from spot urine may assist the risk assessment of gastric cancer.
J Clin Biochem Nutr. 66(1), 74-77, 2020. (IF 2.405)
1. Goto A, Nishikawa J, Sakaida I.
Primary Gastric Follicular Lymphoma Presenting as a Submucosal Tumor.
ACG Case Rep J. 7(11), e00478, 2020.

Sasaki S, Nishikawa J, Yamamoto K, Sakaida I.
Underwater endoscopic observation and mucosal resection for gastric protruding polyps.
Endosc Int Open. Oct;8(10), E1458-E1459, 2020.

Sasaki S, Nishikawa J, Yamamoto K, Sakaida I.
Side-loop method easily enables dual traction during gastric endoscopic submucosal dissection.
Endosc Int Open. Oct;8(10), E1439-E1440, 2020.

Sasaki S, Nishikawa J, Sakaida I.
Use of a Glove-Covered Mouthpiece during Upper Endoscopy to Prevent COVID-19 Transmission.
Clin Endosc. Aug 21, 2020.

Goto A, Nishikawa J, Nagao M, Sakaida I.
Solitary Peutz-Jeghers-type Polyp of the Stomach.
Intern Med. Aug 15;59(16), 2083-2084, 2020. (IF 1.005)

Sasaki S, Nishikawa J, Yamamoto K, Sakaida I.
Effectiveness of Underwater Endoscopic Submucosal Dissection for a Superficial Cervical Esophageal Cancer.
Clin Endosc. Jul;53(4):497-498, 2020.

Ogawa R, Nishikawa J (corresponding author), Mori K, Sakaida I.
A Fish Bone Penetrating the Esophagus Horizontally.
Intern Med. 59(12),1575-1576, 2020. (IF 1.005)

Nishikawa J (corresponding author), Shuto T, Yanagi A, Takagi T, Ogawa R, Sasaki S, Goto A, Hamabe K, Hashimoto S, Okamoto T, Sakaida I.
Epstein-Barr virus-associated gastric carcinomas developedaftersuccessful eradication of Helicobacter pylori.
Clin J Gastroenterol. 13(4), 506-511, 2020. (IF 1.070)

Sasaki S, Nishikawa J, Sakaida I.
Clip-with-line traction method allows efficient endoscopic submucosal dissection of an early gastric cancer spreading across the pyloric ring.
Dig Endosc. 32(3), e36-e37, 2020. (IF 4.774)

Goto A, Nishikawa J, Ito S, Hideura E, Shirasawa T, Hamabe K, Hashimoto S, Okamoto T, Sakaida I.
Gastrointestinal Mantle Cell Lymphoma with Varied Findings.
J Gastrointest Cancer. 51(1), 344-346, 2020.

 

2019年



Shuto T, Nishikawa J (corresponding author), Shimokuri K, Yanagi A, Takagi T, Takagi F, Miura O, Iida M, Nagano H, Takemoto Y, Harada E, Suehiro Y, Yamasaki T, Okamoto T, Sakaida I.
Establishment of a Screening Method for Epstein-Barr Virus-Associated Gastric Carcinoma by Droplet Digital PCR.
Microorganisms. 7(12), 628, 2019. (IF 4.152)

Yanagi A, Nishikawa J (corresponding author), Shimokuri K, Shuto T, Takagi T, Takagi F, Kobayashi Y, Yamamoto M, Miura O, Yanai H, Suehiro Y, Yamasaki T, Yoshiyama H, Sakaida I.
Clinicopathologic Characteristics of Epstein-Barr Virus-Associated Gastric Cancer Over the Past Decade in Japan.
Microorganisms. 7(9), 305, 2019. (IF 4.152)

Kato M, Uedo N, Nagahama T, Yao K, Doyama H, Tsuji S, Gotoda T, Kawamura T, Ebi M, Yamamoto K, Akasaka T, Takatori H,Handa O, Akamatsu T, Nishikawa J, Hikichi T, Yamashina T, Imoto A, Kitamura Y, Mikami T, Koike T, Ohara S, Kitamura S, Yamaguchi T, Kinjo T, Inoue T, Suzuki S, Kaneko A, Hirasawa K, Tanaka K, Kotachi T, Miwa K, Toya Y, Kayaba S, Ikehata A, Minami S, Mizukami K, Oya H, Ara N, Fukumoto Y, Komura T, Yoshio T, Morizono R, Yamazaki K, Shimodate Y, Yamanouchi K, Kawata N, Kumagai M, Sato Y, Umeki K, Kawai D, Tanuma T, Kishino M, Konishi J, Sumiyoshi T, Oka S, Kono M, Sakamoto T, Horikawa Y, Ohyauchi M, Hashiguchi K, Waseda Y, Kasai T, Aoyagi H, Oyamada H, Shoji M, Kiyotoki S, Asonuma S, Orikasa S, Akaishi C, Nagami Y, Nakata S, Iida F, Nomura T, Tominaga K, Oka K, Morita Y, Suzuki H, Ozeki K, Kuribayashi S, Akazawa Y, Sasaki S, Mikami T, Miki G, Sano T, Satoh H, Nakamura M, Iwai W, Tawa H, Wada M, Yoshimura D, Hisanaga Y, Shimokawa T, Ishikawa H.
Self-study of the non-extension sign in an e-learning program improves diagnostic accuracy of invasion depth of early gastric cancer.
Endosc Int Open. 7(7), E871-E882, 2019.

Yoshiga Y, Okamoto T, Shimizu A, Ueyama T, Ono M, Mito T, Fukuda M, Ishiguchi H, Omuro T, Kobayashi S, Goto A, Nishikawa J, Sakaida I, Yano M. Correlation between asymptomatic gastroesophageal excessive transmural injury after pulmonary vein isolation and a bonus freeze protocol using the second-generation 28-mm cryoballoon for paroxysmal atrial fibrillation.
J Cardiol. 74(6), 494-500, 2019. (IF 2.570)

Sasaki S, Nishikawa J (corresponding author), Sakai K, Iizasa H, Yoshiyama H, Yanagihara M, Shuto T, Shimokuri K, Kanda T, Suehiro Y, Yamasaki T, Sakaida I.
EBV-associated gastric cancer evades T-cell immunity by PD-1/PD-L1 interactions.
Gastric Cancer. 22(3), 486-496, 2019. (IF 7.088)

Yanagihara M, Tsuneoka H, Tanimoto A, Otsuyama KI, Nishikawa J, Matsui T, Nojima J, Ichihara K.
Bartonella henselae DNA in Seronegative Patients with Cat-Scratch Disease. Emerg Infect Dis. 24(5), 924-925, 2018. (IF 6.259)

Ogawa R, Nishikawa J (corresponding author), Hideura E, Goto A, Koto Y, Ito S, Unno M, Yamaoka Y, Kawasato R, Hashimoto S, Okamoto T, Ogihara H, Hamamoto Y, Sakaida I. Objective Assessment of the Utility of Chromoendoscopy with a Support Vector Machine. J Gastrointest Cancer. 50(3), 386-391, 2019.

Yanai H, Iizasa H, Chihara D, Murakami T, Nishikawa J, Yoshiyama H.
Epstein-Barr virus detection using gastric biopsy specimens after rapid urease test for Helicobacter pylori.
Endosc Int Open. 2019 7(4):E431-E432. doi: 10.1055/a-0859-7233.

Sasaki S, Nishikawa J, Goto A, Sakaida I.
Dabigatran-induced Esophageal Ulcer at a Natural Constriction.
Intern Med. 2019 58(5):757-758. doi: 10.2169/internalmedicine.1618-18.

Sasaki S, Nishikawa J, Sakai K, Iizasa H, Yoshiyama H, Yanagihara M, Shuto T, Shimokuri K, Kanda T, Suehiro Y, Yamasaki T, Sakaida I.
EBV-associated gastric cancer evades T-cell immunity by PD-1/PD-L1 interactions.
Gastric cancer 2019 22(3):486-496. doi: 10.1007/s10120-018-0880-4.

Sasaki S, Nishikawa J (corresponding author), Goto A, Sakaida I.
Dabigatran-induced Esophageal Ulcer at a Natural Constriction.
Intern Med. 58(5):757-758, 2019. (IF 1.005)

Yanai H, Chihara D, Harano M, Sakaguchi E, Murakami T, Nishikawa J.
Epstein-Barr Virus-associated Early Gastric Cancer Treated with Endoscopic Submucosal Dissection: A Possible Candidate for Extended Criteria of Endoscopic Submucosal Dissection.
Intern Med. 58(22), 3247-3250, 2019. (IF 1.005)

Goto A, Nishikawa J, Ito S, Hideura E, Ogawa R, Hashimoto S, Okamoto T, Sakaida I.
A Rapidly Developing Diffuse Large B cell Lymphoma of the Stomach.
J Gastrointest Cancer. 50(3), 657-659, 2019.

 


2018年



Sasaki S, Nishikawa J, Saito M, Suenaga S, Uekitani T, Yokoyama Y, Sakaida I.
Endoscopic Removal of a Fish Bone Migrating and Penetrating the Stomach.
The American journal of gastroenterology 2018 113(9):1282. doi: 10.1038/s41395-018-0161-1.

Nishikawa J, Miura O, Hashimoto S, Sakaida I.
Colon adenoma with 2 too-long stalks (with video).
Gastrointestinal endoscopy 2018 87(6):1590-2.

Nishikawa J, Iizasa H, Yoshiyama H, Shimokuri K, Kobayashi Y, Sasaki S, Nakamura M, Yanai H, Sakai K, Suehiro Y, Yamasaki T, Sakaida I.
Clinical Importance of Epstein Barr Virus-Associated Gastric Cancer.
Cancers 2018 10(6).pii:E167.doi: 10.3390/cancers10060167.

Yanagihara M, Tsuneoka H, Tanimoto A, Otsuyama KI, Nishikawa J, Matsui T, Nojima J, Ichihara K.
Bartonella henselae DNA in Seronegative Patients with Cat-Scratch Disease.
Emerging infectious diseases. 2018 24(5):924-925.

Goto A, Nishikawa J, Ito S, Hideura E, Ogawa R, Hashimoto S, Okamoto T, Sakaida I.
A Rapidly Developing Diffuse Large B cell Lymphoma of the Stomach.
Journal of gastrointestinal cancer 2018 Apr 6. doi: 10.1007/s12029-018-0098-z.

Ogawa R, Nishikawa J, Hideura E, Goto A, Koto Y, Ito S, Unno M, Yamaoka Y, Kawasato R, Hashimoto S, Okamoto T, Ogihara H, Hamamoto Y, Sakaida I.
Objective Assessment of the Utility of Chromoendoscopy with a Support Vector Machine.
Journal of gastrointestinal cancer 2018 Mar 5. doi: 10.1007/s12029-018-0083-6.

西川潤, 柳井秀雄, 柳原正志, 下栗佳那美, 五嶋敦史, 橋本真一, 岡本健志, 坂井田功
変わりゆく早期胃癌のスペクトラム―H.pylori未感染・現感染・除菌後は違う! EBウイルス関連胃癌
消化器内視鏡 2018 30(1): 103-109.


2018以前

Goto A, Nishikawa J, Hideura E, Ogawa R, Nagao M, Sasaki S, Kawasato R, Hashimoto S, Okamoto T, Ogihara H, Hamamoto Y, Sakaida I.
Lymph node metastasis can be determined by just tumor depth and lymphovascular invasion in early gastric cancer patients after endoscopic submucosal dissection.
Eur J Gastroenterol Hepatol. 2017 29(12):1346-1350. doi:10.1097/MEG.0000000000000987.

Nakanishi H, Doyama H, Ishikawa H, Uedo N, Gotoda T, Kato M, Nagao S, Nagami Y, Aoyagi H, Imagawa A, Kodaira J, Mitsui S, Kobayashi N, Muto M, Takatori H, Abe T, Tsujii M, Watari J, Ishiyama S, Oda I, Ono H, Kaneko K, Yokoi C, Ueo T, Uchita K, Matsumoto K, Kanesaka T, Morita Y, Katsuki S, Nishikawa J, Inamura K, Kinjo T, Yamamoto K, Yoshimura D, Araki H, Kashida H, Hosokawa A, Mori H, Yamashita H,
Motohashi O, Kobayashi K, Hirayama M, Kobayashi H, Endo M, Yamano H, Murakami K, Koike T, Hirasawa K, Miyaoka Y, Hamamoto H, Hikichi T, Hanabata N, Shimoda R, Hori S, Sato T, Kodashima S, Okada H, Mannami T, Yamamoto S, Niwa Y, Yashima K, Tanabe S, Satoh H, Sasaki F, Yamazato T, Ikeda Y, Nishisaki H, Nakagawa M, Matsuda A, Tamura F, Nishiyama H, Arita K, Kawasaki K, Hoppo K, Oka M, Ishihara S, Mukasa M, Minamino H, Yao K.
Evaluation of an e-learning system for diagnosis of gastric lesions using magnifying narrow-band imaging: a multicenter randomized controlled study.
Endoscopy. 2017 49(10):957-967. doi: 10.1055/s-0043-111888.

Nishikawa J, Iizasa H, Yoshiyama H, Nakamura M, Saito M, Sasaki S, Shimokuri K, Yanagihara M, Sakai K, Suehiro Y, Yamasaki T, Sakaida I.
The Role of Epigenetic Regulation in Epstein-Barr Virus-Associated Gastric Cancer.
Int J Mol Sci. 2017 18(8). pii: E1606. doi: 10.3390/ijms18081606.

Nishikawa J, Nagao M, Ogawa R, Sasaki S, Goto A, Okamoto T, Sakaida I.
Endoscopic treatment of an esophageal duplication cyst.
Endoscopy. 2017 49(S 01):E107-E108. doi: 10.1055/s-0043-102395.

Sasaki S, Nishikawa J, Hashimoto S, Sakaida I.
Systemic AL Amyloidosis with Colonic Submucosal Hematoma.
Intern Med. 2017 56(6):741-742. doi:10.2169/internalmedicine.56.7756.

Goto A, Nishikawa J, Okamoto T, Sakaida I.
Eosinophilic Gastroenteritis Presenting with Red Streaking.
Intern Med. 2017 56(5):571-572. doi:10.2169/internalmedicine.56.7751.

Matsunaga T, Hashimoto S, Yamamoto N, Kawasato R, Shirasawa T, Goto A, Fujisawa K, Takami T, Okamoto T, Nishikawa J, Sakaida I.
Protective Effect of Daikenchuto on Dextran Sulfate Sodium-Induced Colitis in Mice.
Gastroenterol Res Pract. 2017 2017:1298263. doi: 10.1155/2017/1298263.

Kawasato R, Hashimoto S, Shirasawa T, Goto A, Okamoto T, Nishikawa J, Sakaida I.
Correlation between obesity and metabolic syndrome-related factors and cecal
intubation time during colonoscopy.
Clin Exp Gastroenterol. 2017 10:1-7. doi: 10.2147/CEG.S120544.

Niikura R, Nagata N, Doyama H, Ota R, Ishii N, Mabe K, Nishida T, Hikichi T, Sumiyama K, Nishikawa J, Uraoka T, Kiyotoki S, Fujishiro M, Koike K.
Current state of practice for colonic diverticular bleeding in 37 hospitals in Japan: A multicenter questionnaire study.
World journal of gastrointestinal endoscopy 2016 8:785-794.

Sasaki S, Nishikawa J, Yanai H, Nakamura M, Nishimura J, Goto A, Kiyotoki S, Saito M, Hamabe K, Tanabe R, Nakamura Y, Tokiyama H, Hashimoto S, Okamoto T, Higaki S, Kurai S, Ogihara H, Hamamoto Y, Sakaida I.
Image quality of a novel light-emitting diode (LED)-illuminated colonoscope.
Endoscopy. 2016 48(10):934-8. doi: 10.1055/s-0042-110999.

Nakamura M, Nishikawa J, Saito M, Sakai K, Sasaki S, Hashimoto S, Okamoto T, Suehiro Y, Yamasaki T, Sakaida I.
Decitabine inhibits tumor cell proliferation and up-regulates e-cadherin expression in Epstein-Barr virus-associated gastric cancer.
J Med Virol. 2017 89(3):508-517. doi: 10.1002/jmv.24634.

Ogihara H, Hamamoto Y, Fujita Y, Nishikawa J, Sakaida I.
Development of a Gastric Cancer Diagnostic Support System with a Pattern Recognition Method Using a Hyperspectral Camera.
J of Sensors 2016 1: 1-6.

Sasaki S, Nishikawa J, Goto A, Okamoto T, Sakaida I.
Papillary adenocarcinoma with tentacular processes (with video).
Gastrointest Endosc. 2017 85(4):852-853. doi: 10.1016/j.gie.2016.05.041.

Ogawa R, Nishikawa J, Kakimoto T, Sakaida I.
Verrucous Carcinoma of the Esophagus.
Intern Med. 2016 55(21):3219-3220.

Nagao M, Nishikawa J, Ogawa R, Sasaki S, Nakamura M, Nishimura J, Goto A, Hashimoto S, Okamoto T, Suenaga M, Hamamoto Y, Sakaida I.
Evaluation of the Diagnostic Ability of Optical Enhancement System in Early Gastric Cancer Demarcation.
Gastroenterol Res Pract. 2016;2016:2439621.

Yasuda M, Nishikawa J, Suekane H, Sakaida I.
Massive Gastric Polyposis Associated with Juvenile Polyposis Syndrome.
Intern Med. 2016;55(12):1671-2. doi:10.2169/internalmedicine.55.6137.

Nakamura M, Nishikawa J, Hamabe K, Goto A, Nishimura J, Shibata H, Nagao M, Sasaki S, Hashimoto S, Okamoto T, Sakaida I.
Preliminary study of photodynamic diagnosis using 5-aminolevulinic acid in gastric and colorectal tumors.
World J Gastroenterol. 2015 Jun 7;21(21):6706-12. doi: 10.3748/wjg.v21.i21.6706.

Shibata H, Hashimoto S, Shimizu K, Kawasato R, Shirasawa T, Yokota T, Onoda H, Okamoto T, Nishikawa J, Matsunaga N, Sakaida I.
Beneficial effects of combining computed tomography enteroclysis/enterography with capsule endoscopy for screening tumor lesions in the small intestine.
Gastroenterol Res Pract. 2015 2015:952787. doi: 10.1155/2015/952787.

Kiyotoki S, Nishikawa J, Tajima K, Sakaida I.
Gastric ulcer caused by the retention of rice cakes.
Intern Med. 2015 54(2):241-2. doi:10.2169/internalmedicine.54.2760.

Shirasawa T, Hashimoto S, Shimizu K, Kawasato R, Yokota T, Shibata H, Onoda H, Yonezawa T, Okamoto T, Nishikawa J, Matsunaga N, Sakaida I.
Effectiveness of using low-dose computed tomography to assess patency in gastrointestinal tracts with a patency capsule.
Hepatogastroenterology. 2015 62(137):240-4.

Goto A, Nishikawa J, Kiyotoki S, Nakamura M, Nishimura J, Okamoto T, Ogihara H, Fujita Y, Hamamoto Y, Sakaida I.
Use of hyperspectral imaging technology to develop a diagnostic support system for gastric cancer. J Biomed Opt. 2015 20(1):016017. doi: 10.1117/1.JBO.20.1.016017.

Nagao M, Okamoto T, Nishikawa J, Sakaida I.
Cytomegalovirus-induced Duodenal Papillitis.
Intern Med. 2015 54(13):1665-6. doi:10.2169/internalmedicine.54.4135.

Nakamura M, Nishikawa J, Hashimoto S, Takeo S, Miura O, Sakaida I.
Gastrointesintal: rare congenital abnormality of the duodenum: intraluminal duodenal diverticulum.
J Gastroenterol Hepatol. 2014 May;29(5):893. doi:10.1111/jgh.12258.

Nishikawa J, Yoshiyama H, Iizasa H, Kanehiro Y, Nakamura M, Nishimura J, Saito M, Okamoto T, Sakai K, Suehiro Y, Yamasaki T, Oga A, Yanai H, Sakaida I.
Epstein-barr virus in gastric carcinoma.
Cancers (Basel). 2014 6(4):2259-74. doi: 10.3390/cancers6042259.

Shibata H, Nishikawa J, Sakaida I.
Dark purple-colored colon: sign of idiopathic mesenteric phlebosclerosis.
Dig Endosc. 2014 Jul;26(4):604-5. doi:10.1111/den.12299.

Hamabe K, Nishikawa J, Kiyotoki S, Saito M, Okamoto T, Yanai H, Hirahashi M, Oda Y, Matsusaki K, Kawano T, Miura O, Sakaida I.
Endoscopic Resection is Infeasible for Early Gastric Cancers with Undifferentiated Components.
Hepatogastroenterology. 2014 61(131):594-8.

Hamabe K, Nakamura M, Nishikawa J, Hitosugi T, Nakamura Y, Iida T, Kaino M, Kurokawa F, Yoshida K, Onoda M, Kato T, Oga A, Sakaida I.
Bleeding from a diverticulum of the appendix (with video).
Gastrointest Endosc. 2014 79(5):837-8. doi: 10.1016/j.gie.2013.12.023.

Okamoto T, Hayashi Y, Mizuno H, Yanai H, Nishikawa J, Nakazawa T, Iizasa H, Jinushi M, Sakaida I, Yoshiyama H.
Colonization of an acid resistant Kingella denitrificans in the stomach may contribute to gastric dysbiosis by Helicobacter pylori.
J Infect Chemother. 2014 20(3):169-74. doi:10.1016/j.jiac.2013.09.007.

Nishimura J, Nishikawa J, Hamabe K, Nakamura M, Goto A, Okamoto T, Miura O, Sakaida I.
Efficacy of endoscopic submucosal dissection for cancer of the
operated stomach.
J Gastrointest Cancer. 2014 45(1):27-33. doi:10.1007/s12029-013-9544-0.

Nishimura J, Nishikawa J, Nakamura M, Goto A, Hamabe K, Hashimoto S, Okamoto T, Suenaga M, Fujita Y, Hamamoto Y, Sakaida I.
Efficacy of i-Scan Imaging for the Detection and Diagnosis of Early Gastric Carcinomas.
Gastroenterol Res Pract. 2014 2014:819395. doi: 10.1155/2014/819395.

Okamoto T, Nishikawa J, Yanai H, Nakamura H, Takeuchi H, Kurai S, Akada JK, Sakaida I.
In vitro bactericidal effects of near-ultraviolet light from light-emitting diodes on Helicobacter pylori.
Scand J Gastroenterol. 2013 48(12):1484-6. doi: 10.3109/00365521.2013.837953.

Okada T, Nakamura M, Nishikawa J, Sakai K, Zhang Y, Saito M, Morishige A, Oga A, Sasaki K, Suehiro Y, Hinoda Y, Sakaida I.
Identification of genes specifically methylated in Epstein-Barr virus-associated gastric carcinomas.
Cancer Sci. 2013 104(10):1309-14. doi: 10.1111/cas.12228.

Nakamura M, Nishikawa J, Goto A, Nishimura J, Hashimoto S, Okamoto T, Sakaida I.
Usefulness of ultraslim endoscopy with flexible spectral imaging color enhancement for detection of gastric neoplasm: a preliminary study.
J Gastrointest Cancer. 2013 44(3):325-8. doi: 10.1007/s12029-013-9500-z.

Matsunaga T, Hashimoto S, Okamoto T, Harima S, Tanabe R, Nishikawa J, Sakaida I.
Effect of capsule placement with transnasal endoscopy.
Dig Endosc. 2013 25:156-9.

Kiyotoki S, Nishikawa J, Okamoto T, Hamabe K, Saito M, Goto A, Fujita Y, Hamamoto Y, Takeuchi Y, Satori S, Sakaida I.
New method for detection of gastric cancer by hyperspectral imaging: a pilot study.
J Biomed Opt. 2013 18(2):26010. doi: 10.1117/1.JBO.18.2.026010.

Saito M, Nishikawa J, Okada T, Morishige A, Sakai K, Nakamura M, Kiyotoki S, Hamabe K, Okamoto T, Oga A, Sasaki K, Suehiro Y, Hinoda Y, Sakaida I.
Role of DNA methylation in the development of Epstein-Barr virus-associated gastric carcinoma.
J Med Virol. 2013 85(1):121-7. doi: 10.1002/jmv.23405.

Goto A, Nishikawa J, Okamoto T, Hamabe K, Nishimura J, Nakamura M, Kiyotoki S, Saito M, Miura O, Sakaida I.
Outcomes of endoscopic submucosal dissection for early gastric cancer and factors associated with incomplete resection.
Hepatogastroenterology. 2013 60(121):46-53.

Yanai H, Nishikawa J, Okamoto T, Kikuchi K, Sakaida I.
Preliminary clinical experience with high-definition colonoscope illuminated by light-emitting diode.
Endoscopy. 2013;45 Suppl 2 UCTN:E1-2. doi: 10.1055/s-0032-1326217.

Iizasa H, Nanbo A, Nishikawa J, Jinushi M, Yoshiyama H.
Epstein-Barr Virus(EBV)-associated gastric carcinoma.
Viruses. 2012 4(12):3420-39.

Nakamura M, Nishikawa J, Hamabe K, Nishimura J, Satake M, Goto A, Kiyotoki S, Saito M, Fukagawa Y, Shirai Y, Okamoto T, Sakaida I.
Risk factors for delayed bleeding from endoscopic submucosal dissection of gastric neoplasms. Scand J Gastroenterol. 2012 Sep;47(8-9):1108-14. doi: 10.3109/00365521.2012.699550.

Nakamura M, Nishikawa J, Suenaga S, Okamoto T, Okamoto F, Miura O, Sakaida I.
A case of EMRC for basaloid squamous carcinoma of the cervical esophagus.
World J Gastrointest Endosc. 2012 4(8):373-5. doi: 10.4253/wjge.v4.i8.373.

Nakamura M, Okamoto T, Kiyotoki S, Saito M, Hamabe K, Nishikawa J, Sakaida I.
Esophageal squamous papilloma with tentacular processes.
Gastrointest Endosc. 2011 74(5):1143-4. doi: 10.1016/j.gie.2011.07.012.

Nishikawa J, Yanai H, Okamoto T, Higaki S, Hashimoto S, Kurai S, Sakaida I.
A novel colonoscope with high color-rendering white light-emitting diodes.
Gastrointest Endosc. 2011 73(3):598-602. doi: 10.1016/j.gie.2011.01.011.

Nishikawa J, Uchida Y, Kurai S, Yanai H, Kiyotoki S, Okamoto T, Higaki S, Sakaida I.
A novel imaging system of optical detection on cancers and tissues in gastrointestinal endoscope using high-color-rendering white and color.
Proc. of SPIE 2010 75580F 1-5.

Kiyotoki S, Nishikawa J, Satake M, Fukagawa Y, Shirai Y, Hamabe K, Saito M, Okamoto T, Sakaida I.
Usefulness of magnifying endoscopy with narrow-band imaging for determining gastric tumor margin.
J Gastroenterol Hepatol. 2010 25(10):1636-41. doi: 10.1111/j.1440-1746.2010.06379.x.

Nishikawa J, Satake M, Hamabe K, Fukagawa Y, Shirai Y, Kiyotoki S, Saito M, Okamoto T, Sakaida I.
Fine-tuning the criteria for strip biopsy and endoscopic submucosal dissection improves the outcome of early gastric carcinoma treatment.
J Gastroenterol Hepatol. 2010 Sep;25(9):1514-7. doi:10.1111/j.1440-1746.2010.06340.x.

Akada JK, Aoki H, Torigoe Y, Kitagawa T, Kurazono H, Hoshida H, Nishikawa J, Terai S, Matsuzaki M, Hirayama T, Nakazawa T, Akada R, Nakamura K.
Helicobacter pylori CagA inhibits endocytosis of cytotoxin VacA in host cells.
Dis Model Mech. 2010 3(9-10):605-17. doi: 10.1242/dmm.004879.

Kiyotoki S, Nishikawa J, Yanai H, Okamoto T, Higaki S, Taguchi T, Sakaida I.
Use of the light-emitting diode-illuminated endoscope for upper gastrointestinal endoscopy.
Endoscopy. 2009 41 Suppl 2:E173-4. doi: 10.1055/s-0029-1214779.

Fukagawa Y, Nishikawa J, Kuramitsu Y, Iwakiri D, Takada K, Imai S, Satake M, Okamoto T, Fujimoto M, Okita K, Nakamura K, Sakaida I.
Epstein-Barr virus upregulates phosphorylated heat shock protein 27 kDa in carcinoma cells using the phosphoinositide 3-kinase/Akt pathway.
Electrophoresis. 2008 29(15):3192-200. doi: 10.1002/elps.200800086.

Shirai Y, Yoshida T, Shiraishi R, Okamoto T, Nakamura H, Harada T, Nishikawa J, Sakaida I.
Prospective randomized study on the use of a computer-based endoscopic simulator for training in esophagogastroduodenoscopy.
J Gastroenterol Hepatol. 2008 23(7 Pt 1):1046-50. doi: 10.1111/j.1440-1746.2008.05457.x.

Ooishi T, Nishikawa J, Satake M, Fukagawa Y, Okamoto T, Sakaida I.
Ulceration after arterial microcoil embolization.
Gastrointest Endosc. 2008 67(4):723; discussion 724. doi: 10.1016/j.gie.2007.10.002.

Nakamura Y, Yanai H, Kitoh T, Matsubara Y, Hirano A, Okamoto T, Yoshida T, Nishikawa J, Okita K.
The clinical meaning of mucin phenotype and Epstein-Barr virus infection in gastric cancer. Hepatogastroenterology. 2008 55(81):41-5.

Nakamura H, Yanai H, Satake M, Okamoto T, Nishikawa J, Sakaida I, Kawano T, Matsusaki K, Miura O.
Retrospective analysis of the results of strip biopsies to determine the indication for endoscopic submucosal dissection for early gastric cancer.
J Gastrointest Cancer. 2008 39(1-4):29-33. doi:10.1007/s12029-009-9049-z.

Satake M, Nishikawa J, Fukagawa Y, Akashi K, Okamoto T, Yoshida T, Hirano A,
Maetani N, Iida Y, Sakaida I.
The long-term efficacy of Helicobacter pylori eradication therapy in patients with idiopathic thrombocytopenic purpura.
J Gastroenterol Hepatol. 2007 22(12):2233-7.

Hashimoto S, Higaki S, Amano A, Harada K, Nishikawa J, Yoshida T, Okita K, Sakaida I.
Relationship between molecular markers and endoscopic findings in laterally spreading tumors.
J Gastroenterol Hepatol. 2007 22(1):30-6.

Akashi K, Yanai H, Nishikawa J, Satake M, Fukagawa Y, Okamoto T, Sakaida I.
Ulcerous change decreases the accuracy of endoscopic ultrasonography diagnosis for the invasive depth of early gastric cancer.
Int J Gastrointest Cancer. 2006 37(4):133-8.

Yanai H, Okita K, Kikuchi K, Tadatomo K, Nakamura H, Nishikawa J, Yoshida T, Taguchi T.
Preliminary experience with a gastrointestinal endoscope using a white light-emitting diode. Endoscopy. 2006 38(3):290-1.

Bandobashi K, Liu A, Nagy N, Kis LL, Nishikawa J, Björkholm M, Klein G, Klein E.
EBV infection induces expression of the transcription factors ATF-2/c-Jun in B lymphocytes but not in B-CLL cells.
Virus Genes. 2005 30(3):323-30.

Kis LL, Nishikawa J, Takahara M, Nagy N, Matskova L, Takada K, Elmberger PG, Ohlsson A, Klein G, Klein E.
In vitro EBV-infected subline of KMH2, derived from Hodgkin lymphoma, expresses only EBNA-1, while CD40 ligand and IL-4 induce LMP-1 but not EBNA-2.
Int J Cancer. 2005 113(6):937-45.

Yanai H, Matsubara Y, Kawano T, Okamoto T, Hirano A, Nakamura Y, Nakamura H, Nishikawa J, Okita K.
Clinical impact of strip biopsy for early gastric cancer.
Gastrointest Endosc. 2004 60(5):771-7.

Nagy N, Takahara M, Nishikawa J, Bourdon JC, Kis LL, Klein G, Klein E.
Wild-type p53 activates SAP expression in lymphoid cells.
Oncogene. 2004 23(53):8563-70.

Nishikawa J, Kis LL, Liu A, Zhang X, Takahara M, Bandobashi K, Kiss C, Nagy N, Okita K, Klein G, Klein E.
Upregulation of LMP1 expression by histone deacetylase inhibitors in an EBV carrying NPC cell line.
Virus Genes. 2004 28(1):121-8.

Nishikawa J, Kiss C, Imai S, Takada K, Okita K, Klein G, Szekely L.
Upregulation of the truncated basic hair keratin 1(hHb1-DeltaN) in carcinoma cells by Epstein-Barr virus (EBV).
Int J Cancer. 2003 107(4):597-602.

Kiss C, Nishikawa J, Takada K, Trivedi P, Klein G, Szekely L.
T cell leukemia I oncogene expression depends on the presence of Epstein-Barr virus in the virus-carrying Burkitt lymphoma lines.
Proc Natl Acad Sci U S A. 2003 100(8):4813-8.

Kiss C, Nishikawa J, Dieckmann A, Takada K, Klein G, Szekely L.
Improved subtractive suppression hybridization combined with high density cDNA array screening identifies differentially expressed viral and cellular genes.
J Virol Methods. 2003 107(2):195-203.

Nagy N, Maeda A, Bandobashi K, Kis LL, Nishikawa J, Trivedi P, Faggioni A,
Klein G, Klein E.
SH2D1A expression in Burkitt lymphoma cells is restricted to EBV positive group I lines and is downregulated in parallel with immunoblastic transformation.
Int J Cancer. 2002 100(4):433-40.

Nishikawa J, Yanai H, Hirano A, Okamoto T, Nakamura H, Matsusaki K, Kawano T,
Miura O, Okita K.
High prevalence of Epstein-Barr virus in gastric remnant carcinoma after Billroth-II reconstruction.
Scand J Gastroenterol. 2002 37(7):825-9.

Nakamura H, Yanai H, Nishikawa J, Okamoto T, Hirano A, Higaki M, Omori K,
Yoshida T, Okita K.
Experience with photodynamic therapy (endoscopic laser therapy) for the treatment of early gastric cancer.
Hepatogastroenterology. 2001 48(42):1599-603.

Imai S, Nishikawa J, Kuroda M, Takada K.
Epstein-Barr virus infection of human epithelial cells.
Curr Top Microbiol Immunol. 2001 258:161-84.

Yanai H, Murakami T, Yoshiyama H, Takeuchi H, Nishikawa J, Nakamura H, Okita
K, Miura O, Shimizu N, Takada K.
Epstein-Barr virus-associated gastric carcinoma and atrophic gastritis.
J Clin Gastroenterol. 1999 29(1):39-43.

Nishikawa J, Imai S, Oda T, Kojima T, Okita K, Takada K.
Epstein-Barr virus promotes epithelial cell growth in the absence of EBNA2 and LMP1 expression.
J Virol. 1999 73(2):1286-92.

Nishikawa J, Yanai H, Mizugaki Y, Takada K, Tada M, Okita K.
Hypoechoic submucosal nodules: a sign of Epstein-Barr virus-associated early gastric cancer.
J Gastroenterol Hepatol. 1998 13(6):585-90.

Imai S, Nishikawa J, Takada K.
Cell-to-cell contact as an efficient mode of Epstein-Barr virus infection of diverse human epithelial cells.
J Virol. 1998 72(5):4371-8.

Yanai H, Nishikawa J, Mizugaki Y, Shimizu N, Takada K, Matsusaki K, Toda T,
Matsumoto Y, Tada M, Okita K.
Endoscopic and pathologic features of Epstein-Barr virus-associated gastric carcinoma.
Gastrointest Endosc. 1997 45(3):236-42.