Search Results - "KOYAMA, Hiroshi"

Isotropic expansion of external environment induces tissue elongation and collective cell alignment by Koyama, Hiroshi, Fujimori, Toshihiko

“…•Growing embryos are mathematically modeled as isotropically expanding fields.•Morphogenesis of tissues on the fields is mathematically and analytically…”
Get full text

Effective mechanical potential of cell-Cell interaction explains three-dimensional morphologies during early embryogenesis by Koyama, Hiroshi, Okumura, Hisashi, Ito, Atsushi M, Nakamura, Kazuyuki, Otani, Tetsuhisa, Kato, Kagayaki, Fujimori, Toshihiko

“…Mechanical forces are critical for the emergence of diverse three-dimensional morphologies of multicellular systems. However, it remains unclear what kind of…”
Get full text

Biomechanics of epithelial fold pattern formation in the mouse female reproductive tract by Koyama, Hiroshi, Fujimori, Toshihiko

“…Tubular organs and tissues often show various morphological fold patterns in their luminal epithelia. Computational studies have revealed that these patterns…”
Get full text

Determinants of life expectancy and clustering of provinces to improve life expectancy: an ecological study in Indonesia by Paramita, Sekar Ayu, Yamazaki, Chiho, Koyama, Hiroshi

“…Life expectancy acts as a population measure of the performance of healthcare systems. Regional disparities on life expectancy in Indonesia has been persisted…”
Get full text

An ImageJ‐based tool for three‐dimensional registration between different types of microscopic images by Koyama, Hiroshi, Kishi, Kanae, Mikoshiba, Seiya, Fujimori, Toshihiko

“…Three‐dimensional (3D) registration (i.e., alignment) between two microscopic images is very helpful to study tissues that do not adhere to substrates, such as…”
Get full text

A comparison study of temporal trends of SARS-CoV2 RNAemia and biomarkers to predict success and failure of high flow oxygen therapy among patients with moderate to severe COVID-19 by Koyama, Hiroshi, Sakai, Kazuya, Fukaguchi, Kiyomitsu, Hadano, Hiroki, Aida, Yoshihisa, Kamio, Tadashi, Abe, Takeru, Nishii, Mototsugu, Takeuchi, Ichiro

“…Optimal timing for intubating patients with coronavirus disease 2019 (COVID-19) has been debated throughout the pandemic. Early use of high-flow nasal cannula…”
Get full text

Biophysics in oviduct: Planar cell polarity, cilia, epithelial fold and tube morphogenesis, egg dynamics by Koyama, Hiroshi, Shi, Dongbo, Fujimori, Toshihiko

“…Organs and tissues in multi-cellular organisms exhibit various morphologies. Tubular organs have multi-scale morphological features which are closely related…”
Get full text

Social cohesion and quality of life in Bandung: A cross sectional study by Paramita, Sekar Ayu, Yamazaki, Chiho, Hilfi, Lukman, Sunjaya, Deni Kurniadi, Koyama, Hiroshi

“…In Bandung, Indonesia, urban expansion, rapid economic growth, and population increase present enormous challenges to the maintenance of a high quality of life…”
Get full text

The Effect of Perinatal Gadolinium-Based Contrast Agents on Adult Mice Behavior by Khairinisa, Miski Aghnia, Takatsuru, Yusuke, Amano, Izuki, Erdene, Khongorzul, Nakajima, Takahito, Kameo, Satomi, Koyama, Hiroshi, Tsushima, Yoshito, Koibuchi, Noriyuki

“…OBJECTIVESThe aim of this study was to examine the effects of perinatal exposure to gadolinium (Gd)-based contrast agents (GBCAs) on the behavior of adulthood…”
Get full text

Striatal parvalbumin interneurons are activated in a mouse model of cerebellar dystonia by Matsuda, Taku, Morigaki, Ryoma, Hayasawa, Hiroaki, Koyama, Hiroshi, Oda, Teruo, Miyake, Kazuhisa, Takagi, Yasushi

“…Dystonia is thought to arise from abnormalities in the motor loop of the basal ganglia; however, there is an ongoing debate regarding cerebellar involvement…”
Get full text

Celsr1 is required for the generation of polarity at multiple levels of the mouse oviduct by Shi, Dongbo, Komatsu, Kouji, Hirao, Mayumi, Toyooka, Yayoi, Koyama, Hiroshi, Tissir, Fadel, Goffinet, André M, Uemura, Tadashi, Fujimori, Toshihiko

“…The oviduct is an important organ in reproduction where fertilization occurs, and through which the fertilized eggs are carried to the uterus in mammals. This…”
Get full text

Mechanical Regulation of Three-Dimensional Epithelial Fold Pattern Formation in the Mouse Oviduct by Koyama, Hiroshi, Shi, Dongbo, Suzuki, Makoto, Ueno, Naoto, Uemura, Tadashi, Fujimori, Toshihiko

“…Epithelia exhibit various three-dimensional morphologies linked to organ function in animals. However, the mechanisms of three-dimensional morphogenesis remain…”
Get full text

Decreased numbers of gastric, colorectal, lung, and breast cancer surgeries performed in 17 cancer-designated hospitals in Gunma Prefecture of Japan during the COVID-19 pandemic by Saeki, Hiroshi, Shirabe, Ken, Miyazaki, Tatsuya, Ogawa, Tetsushi, Makita, Fujio, Shitara, Yoshinori, Machida, Masami, Yasuda, Naokuni, Kato, Hiroyuki, Ojima, Hitoshi, Hosouchi, Yasuo, Naito, Hiroshi, Tatsuki, Hironori, Uchida, Nobuyuki, Iwanami, Kotaro, Kohri, Takayuki, Hayashi, Kouji, Iwasaki, Shigeru, Koyama, Hiroshi

“…Purpose This study aims to clarify the influence of the COVID-19 pandemic on cancer surgery in Gunma Prefecture. Methods A total of 9839 cases (1406 gastric…”
Get full text

Distribution of health care resources in Mongolia using the Gini coefficient by Erdenee, Oyunchimeg, Paramita, Sekar Ayu, Yamazaki, Chiho, Koyama, Hiroshi

“…Attaining the perfect balance of health care resources is probably impracticable; however, it is possible to achieve improvements in the distribution of these…”
Get full text

Determinant factors behind changes in health-seeking behaviour before and after implementation of universal health coverage in Indonesia by Kosasih, Dadan Mulyana, Adam, Sony, Uchida, Mitsuo, Yamazaki, Chiho, Koyama, Hiroshi, Hamazaki, Kei

“…The health insurance system in Indonesia was transformed in 2014 to achieve universal health coverage (UHC). The effective implementation of essential primary…”
Get full text

How Worries about Interpersonal Relationships, Academic Performance, Family Support, and Classmate Social Capital Influence Suicidal Ideation among Adolescents in Japan by Nakano, Masato, Yamazaki, Chiho, Teshirogi, Hideta, Kubo, Hidaka, Ogawa, Yunosuke, Kameo, Satomi, Inoue, Ken, Koyama, Hiroshi

“…Suicide is an important public health issue for adolescents. To investigate the risk and protective factors for adolescent suicide, a cross-sectional…”
Get full text

Distribution and clearance of retained gadolinium in the brain: differences between linear and macrocyclic gadolinium based contrast agents in a mouse model by Kartamihardja, A Adhipatria P, Nakajima, Takahito, Kameo, Satomi, Koyama, Hiroshi, Tsushima, Yoshito

“…To investigate the distribution and clearance of retained gadolinium (Gd) in various parts of the brain after intravenously administering a Gd-based contrast…”
Get full text

Effect of Seed Particles on Precipitation of Weak Base Drugs in Physiological Intestinal Conditions by Koyama, Hiroshi, Ito, Masataka, Terada, Katsuhide, Sugano, Kiyohiko

“…The purpose of the present study was to investigate the effect of seed particles on the precipitation behavior of weak base drugs in the small intestine. A…”
Get full text

Impact of Impaired Renal Function on Gadolinium Retention After Administration of Gadolinium-Based Contrast Agents in a Mouse Model by Kartamihardja, A. Adhipatria P, Nakajima, Takahito, Kameo, Satomi, Koyama, Hiroshi, Tsushima, Yoshito

“…OBJECTIVESThe aim of this study was to investigate the impact of impaired renal function on gadolinium (Gd) retention in various organs after Gd-based contrast…”
Get full text

Seasonal to Decadal Predictions With MIROC6: Description and Basic Evaluation by Kataoka, Takahito, Tatebe, Hiroaki, Koyama, Hiroshi, Mochizuki, Takashi, Ogochi, Koji, Naoe, Hiroaki, Imada, Yukiko, Shiogama, Hideo, Kimoto, Masahide, Watanabe, Masahiro

“…The present paper presents results of seasonal‐to‐decadal climate predictions based on a coupled climate model called the Model for Interdisciplinary Research…”
Get full text