Kazuo Ohba

1.8k total citations
48 papers, 1.4k citations indexed

About

Kazuo Ohba is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Kazuo Ohba has authored 48 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Hepatology, 24 papers in Epidemiology and 13 papers in Surgery. Recurrent topics in Kazuo Ohba's work include Liver Disease Diagnosis and Treatment (21 papers), Liver Diseases and Immunity (17 papers) and Liver Disease and Transplantation (6 papers). Kazuo Ohba is often cited by papers focused on Liver Disease Diagnosis and Treatment (21 papers), Liver Diseases and Immunity (17 papers) and Liver Disease and Transplantation (6 papers). Kazuo Ohba collaborates with scholars based in Japan and Germany. Kazuo Ohba's co-authors include Yohei Mizuta, Katsuhisa Omagari, Shigeru Kohno, Junichi Masuda, Hajime Isomoto, Hiroaki Hazama, Katsumi Omagari, S Kohno, Yoshiko Kadokawa and Ikuo Murata and has published in prestigious journals such as Hepatology, Gut and Journal of Clinical Epidemiology.

In The Last Decade

Kazuo Ohba

48 papers receiving 1.4k citations

Peers

Countries citing papers authored by Kazuo Ohba

Since Specialization

Citations

This map shows the geographic impact of Kazuo Ohba's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kazuo Ohba with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kazuo Ohba more than expected).

Fields of papers citing papers by Kazuo Ohba

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kazuo Ohba. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kazuo Ohba. The network helps show where Kazuo Ohba may publish in the future.

Co-authorship network of co-authors of Kazuo Ohba

This figure shows the co-authorship network connecting the top 25 collaborators of Kazuo Ohba. A scholar is included among the top collaborators of Kazuo Ohba based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kazuo Ohba. Kazuo Ohba is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Advantages of Fecal Lactoferrin Measurement during Granulocyte and Monocyte Adsorptive Apheresis Therapy in Ulcerative Colitis 2015 ·Digestion ·(unknown), Fuminao Takeshima, Yuko Akazawa, Kayoko Matsushima, Hitomi Minami, Haruhisa Machida, Naoyuki Yamaguchi, Ken Shiozawa, Kazuo Ohba, Ken Ohnita, Tatsuki Ichikawa, Hajime Isomoto, Kazuhiko Nakao	5
2	Efficacy and safety of systemic chemotherapy and intra-arterial chemotherapy with/without radiotherapy for bladder preservation or as neo-adjuvant therapy in patients with muscle-invasive bladder cancer: A single-centre study of 163 patients 2014 ·European Journal of Surgical Oncology ·Yasuyoshi Miyata, Koichiro Nomata, Kazuo Ohba, Tomohiro Matsuo, Naomi Hayashi, Ichiro Sakamoto, Masataka Uetani, Hiroshi Sakai	12
3	Relation Among Plasma Ghrelin Level, Gastric Emptying, and Psychologic Condition in Patients With Functional Dyspepsia 2007 ·Journal of Clinical Gastroenterology ·(unknown), Yohei Mizuta, Fuminao Takeshima, Yuko Akazawa, Hajime Isomoto, Ken Ohnita, Kazuo Ohba, Katsuhisa Omagari, Saburo Shikuwa, Shigeru Kohno	42
4	Intracellular balance of oxidative stress and cytoprotective molecules in damaged interlobular bile ducts in autoimmune hepatitis and primary biliary cirrhosis: In situ detection of 8‐hydroxydeoxyguanosine and glutathione‐S‐transferase‐pi 2007 ·Hepatology Research ·Yoshiko Kadokawa, Kazuo Ohba, Katsuhisa Omagari, (unknown), Kenji Hayashida, Ken Ohnita, Fuminao Takeshima, Yohei Mizuta, Shigeru Kohno	8
5	High Plasma Osteopontin Levels in Patients With Inflammatory Bowel Disease 2007 ·Journal of Clinical Gastroenterology ·(unknown), Fuminao Takeshima, Terumitsu Sawai, Kazuo Ohba, Ken Ohnita, Hajime Isomoto, Katsuhisa Omagari, (unknown), Yoshiyuki Ozono, Shigeru Kohno	51
6	Meckel’s diverticulum diagnosed by double-balloon enteroscopy 2007 ·Endoscopy ·Ken Ohnita, Hajime Isomoto, Yohei Mizuta, Kentaro Akazawa, Yuko Akazawa, Kazuo Ohba, Megumu Yoshimura, Saburo Shikuwa, Katsumi Omagari, Fumihiko Fujita, Kuniko Abe, S Kohno	2
7	Flow Cytometric Analysis of Expression of Transforming Growth Factor-β and Glucocorticoid-Induced Tumor Necrosis Factor Receptor on CD4+ CD25+ T Cells of Patients with Inflammatory Bowel Disease 2006 ·Digestive Diseases and Sciences ·(unknown), Fuminao Takeshima, Kazuo Ohba, Ken Ohnita, Hajime Isomoto, (unknown), Katsuhisa Omagari, Yohei Mizuta, Shigeru Kohno	7
8	Does the diagnosis of primary biliary cirrhosis or autoimmune cholangitis depend on the ‘phase’ of the disease? 2005 ·Liver International ·Yoshiko Kadokawa, Katsuhisa Omagari, Kazuo Ohba, Junichi Masuda, Hiroaki Hazama, Hideki Kinoshita, Ken Ohnita, Yohei Mizuta, (unknown), (unknown), Shigeru Kohno	8
9	Flare-up of Autoimmune Hepatitis After Delivery in a Patient with Primary Biliary Cirrhosis: Postpartum Overlap Syndrome of Primary Biliary Cirrhosis and Autoimmune Hepatitis 2005 ·Digestive Diseases and Sciences ·Kazuo Ohba, Katsuhisa Omagari, (unknown), Yoshiko Kadokawa, Kenji Hayashida, Fuminao Takeshima, Yohei Mizuta, Ikuo Murata, Yasuni Nakanuma, Shigeru Kohno	5
10	Peptide antibiotic human beta-defensin-1 and -2 contribute to antimicrobial defense of the intrahepatic biliary tree 2004 ·Hepatology ·Kenichi Harada, Kazuo Ohba, Satoru Ozaki, Kumiko Isse, Toshiya Hirayama, Akihiro Wada, Yasuni Nakanuma	78
11	Adult T-cell leukemia with colorectal involvement 2004 ·Gastrointestinal Endoscopy ·(unknown), Hajime Isomoto, Saburo Shikuwa, Masahiro Ito, Saburo Momita, (unknown), Kazuo Ohba, Ken Ohnita, Takashi Nakamura, Yohei Mizuta, Hiromi Ishibashi, Shigeru Kohno	3
12	A comparative histological and morphometric study of vascular changes in idiopathic portal hypertension and alcoholic fibrosis/cirrhosis 2003 ·Histopathology ·Koichi Tsuneyama, Kazuo Ohba, Yoh Zen, Yasunori Sato, Hideki Niwa, Hiroshi Minato, Yasuni Nakanuma	27
13	Simultaneous malt lymphoma of stomach, duodenum, and colon 2003 ·Gastrointestinal Endoscopy ·Hajime Isomoto, J. Yamasaki, (unknown), Kazuo Ohba, (unknown), Shigeru Kohno	7
14	Evaluation of newly developed ELISA using “MESACUP-2 test mitochondrial M2” kit for the diagnosis of primary biliary cirrhosis 2003 ·Clinical Biochemistry ·Yoshiko Kadokawa, Katsuhisa Omagari, Hiroaki Hazama, Kazuo Ohba, Junichi Masuda, Hideki Kinoshita, Kenji Hayashida, Hajime Isomoto, Yohei Mizuta, Kunihiko Murase, Ikuo Murata, Shigeru Kohno	17
15	Elevated Levels of Chemokines in Esophageal Mucosa of Patients With Reflux Esophagitis 2003 ·The American Journal of Gastroenterology ·Hajime Isomoto, Aiping Wang, Yohei Mizuta, Yuko Akazawa, Kazuo Ohba, Katsuhisa Omagari, Masanobu Miyazaki, Kunihiko Murase, Tomayoshi Hayashi, Kenichiro Inoue, Ikuo Murata, Shigeru Kohno	101
16	Automated enzymatic mitochondrial antibody assay for the diagnosis of primary biliary cirrhosis: Applications of a routine diagnostic tool for the detection of antimitochondrial antibodies 2002 ·Journal of Gastroenterology and Hepatology ·Hiroaki Hazama, Katsuhisa Omagari, Junichi Masuda, Kazuo Ohba, Hideki Kinoshita, Isao Matsuo, Hajime Isomoto, Yohei Mizuta, Kunihiko Murase, Ikuo Murata, Shigeru Kohno	9
17	Fatty liver in non‐alcoholic non‐overweight Japanese adults: Incidence and clinical characteristics 2002 ·Journal of Gastroenterology and Hepatology ·Katsuhisa Omagari, Yoshiko Kadokawa, Junichi Masuda, (unknown), (unknown), Hiroaki Hazama, Kazuo Ohba, Hajime Isomoto, Yohei Mizuta, Kenji Hayashida, Kunihiko Murase, (unknown), Ikuo Murata, Shigeru Kohno	233
18	Primary biliary cirrhosis among atomic bomb survivors in Nagasaki, Japan 2001 ·Journal of Clinical Epidemiology ·Kazuo Ohba, Katsuhisa Omagari, (unknown), Hiroshi Soda, Junichi Masuda, Hiroaki Hazama, Masuko Tagawa, Tomoko Hata, Hideo Nakamura, Ikuo Murata, Shigeru Kohno	26
19	Changes in titers of antimitochondrial and antinuclear antibodies during the course of primary biliary cirrhosis 2001 ·Journal of Gastroenterology and Hepatology ·Junichi Masuda, Katsuhisa Omagari, Isao Matsuo, Hideki Kinoshita, (unknown), Hiroaki Hazama, Kazuo Ohba, Hajime Isomoto, Kunihiko Murase, Ikuo Murata, Shigeru Kohno	10
20	Abscopal regression of hepatocellular carcinoma after radiotherapy for bone metastasis 1998 ·Gut ·Kazuo Ohba, Katsumi Omagari, Takashi Nakamura, Nobuhiro Ikuno, Sachiko Saeki, Isao Matsuo, Hideki Kinoshita, Junichi Masuda, Hiroaki Hazama, Ichiro Sakamoto, S Kohno	223

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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