Helicobacter pylori bacteria is found to be highly linked to the causes of gastric cancer, as first confirmed by Dr. Naomi Uemura

In scientific circles, it is well known these days that the Helicobacter pylori bacteria cause chronic gastritis, gastric ulcer, gastric cancer and other related illnesses. It was Naomi Uemura, Senior Doctor of the Gastroenterology Department at Kure Kyosai Hospital, who was the first to establish a link between the bacteria and gastric cancer. Read More »

Sahachiro Hata: The first miracle medicine in the world for syphilis treatment

Sahachiro Hata developed “arsphenamine No.606”, the first medicine in the world for syphilis treatment, incorporation with Paul Ehrlich in Germany. Hata had originally been researching bacteriology in the Institute of Infectious Diseases that Dr.Shibasaburo Kitasato had established. Read More »

Neutral Theory of molecular evolution by Motoo Kimura

In 1968, Motoo Kimura (木村 資生) from the National Institute of Genetics announced the Neutral Theory of molecular evolution. Because it was in conflict with Darwin’s theory of evolution by natural selection, Kimura received much criticism at that time and caused a global dispute. Read More »

First Cow-to-Monkey Kidney Transplant Performed Successfully at Dokkyo Medical School

On Dec. 12, 2004, the first successful cow-to-monkey kidney transplant was performed at Dokkyo Medical School, Tochigi, in Japan. The recipient monkey survived for one day with no sign of rejection. Read More »

Culture of syphilis germ and discovery of yellow fever by Hideyo Noguchi

Hideyo Noguchi (野口 英世) succeeded in culturing syphilis in 1911(Meiji 44). In 1913(Taisho 2), he announced that syphilis bacteria can cause progressive paralysis and tabes dorsalis. Noguchi was mentioned as a final candidate for a Nobel Prize. In 1918(Taisho 7) he went on a business trip to Ecuador where yellow fever broke out and found the pathogen that caused the disease. He developed a vaccine that saved a lot of lives. Read More »

Takuji Gotoda, Hiroyuki Ono: Endoscopic Submucosal Dissection (ESD) of gastric cancer with the insulation-tipped electrosurgical knife

In the past, gastric cancer that exceeded 2cm would result in an abdominal operation, however it has become possible to remove cancer in the mucous membrane layer with an ESD. Read More »

Kanehiro Takaki: A Pioneer in the Investigation of Beriberi

Kanehiro Takaki (高木 兼寛) was a pioneer in the investigation of beriberi in the late 19 century.
He was the first to discover that beriberi was caused by nutritional deficiency.

At the time, soldiers in the Imperial Japanese Navy suffered from beriberi. Takaki, Director General of Japanese Naval Medical Services, noticed a correlation between the diet of sailors and beriberi. In the course of improving the diet, he succeeded in eradicating the disease in the Japanese Navy. Read More »

Discovery of the antibiotic Kanamysin by Hamao Umezawa

Kanamysin has the remarkable effect of treating infection by highly-resistant bacteria. In addition, Hamao Umezawa (梅澤 濱夫) and others discovered other useful antibiotics of ray fungus origin, such as bleomycin (antineoplastic drug) and kasugamycin (rice blast prevention). Read More »

Umetaro Suzuki: The Pioneer in the Vitamin Research

Umetaro Suzuki (鈴木 梅太郎) was a Japanese scientist, who was the first to discover vitamin B1 (thiamine) in rice bran. Read More »

Visualization of amyloid spots with MRI

In April 2005, Takaomi Saidou(西道 隆臣), Team Leader of the Nerve Protein Control Research group of RIKEN Brain Science Synthesis Research Center, and Dojindo Molecular Technologies, Inc.(同仁化学研究所) conducted an experiment on mice that led to the visualization of amyloid spots by MRI. With this discovery, diagnosis of the onset of Alzheimer’s Disease and its advancement were made possible. Read More »

Dr. Hiromi Shinya: The Pioneer in Colonoscopic Polypectomy

Dr. Hiromi Shinya(新谷 弘美) is a well known gastrologist in the US and Japan. Dr. Shinya is credited with pioneering colonoscopic surgery without the need for incision. This technique is named “Shinya Method” for his contribution. Read More »

Dr. Abo Toru: The Renowned Immunologist

Dr.Toru Abo (安保 ) is a prominent Japanese immunologist. He is renowned for his discovery of extrathymic T cell. He also discovers that the autonomic nervous system is responsible for the equilibrium of leukocytes (white blood cells). Read More »

Kiyoshi Shiga: Discoverer of Bacillus Dysenteriae

Kiyoshi Shiga (志賀) was a Japanese physician and bacteriologist. He discovered the bacillus dysenteriae during a severe epidemic of dysentery in Japan. Read More »

Cardiac catheterization specialist whom the home United States also accepts Kazuo Misumi

Director Chiba west general hopital / Kazuo Misumi.  It is 2006-2007 in “Best doctors in Japan” that the doctor ranking agency in the United States elected It was elected for two consecutive terms.
With “Rotor brator” attached drill at the tip of the catheter which smashes the thrombus and so on which became lime inside the blood vessel, it is proud of the actual results beyond the years 600 cases, by 3-year continuance, in the world, the number of cases of No.1. Read More »

The world’s first model mice for bipolar disorder by RIKEN and Nagoya University

In April 2006, RIKEN (理研) (The Institute of Physical and Chemical Research) and Nagoya University (名古屋大学) successfully produced the world’s first model mice for bipolar disorder by genetic engineering. Read More »

Hitoshi Kihara, a proponent of the genome concept

When Hitoshi Kihara observed chromosomes of the wheat genus at cell division, he noticed that in wheat, seven chromosomes become a pair that performs the lowest gene function. He named it the “genome.” The concept of the genome extended all over the world and formed the basis for today’s development of biology and genetic engineering. (H.Winkler defined the genome as a pair of a gamete’s chromosome in 1920.) Read More »

Success in the culture of intraintestinal lactic acid bacteria for the first time in the world by Minoru Shirota

In 1930 (Showa 5), Shirota discovered lactobacillus casei strain shirota (Yakult bacteria). At the time, he thought about bacteria as an epidemic, and that prevention was important as to not suffer, and a person can become healthy if the bowels are healthy. Read More »

COCORO METER Measure Your stress Level

In November, 2005, the Japanese medical equipment maker NIPRO had a new instrument, COCORO METER, which uses your saliva to measure your stress level. Read More »

The first successful production of glutamic acid by fermentation

Soon after the war in 1946, Benzaburo Kato, President of KYOWA HAKKO KOGYO Co., Ltd., directed his employees to develop a technique to mass produce protein. Eight years later in 1956, they succeeded in producing monosodium glutamate by fermentation. Read More »

Nanopass 33, the sharpest insulin injection needle in the world, by Terumo Medical Corporation

In May 2005, Terumo Medical Corporation launched Nanopass 33, the world’s sharpest insulin injection needle. It has a tip diameter of 0.2mm, which is 20% sharper than the conventional 0.25mm. This creation was made possible thanks to high-tech stainless steel press technology of medical equipment manufacturer Terumo Medical Corporation and stainless steel company Okano Industrial Corporation (with headquarters in Tokyo). Read More »