Masatoshi Niwa
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Explore the profile of Masatoshi Niwa including associated specialties, affiliations and a list of published articles.
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19
Citations
61
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Recent Articles
1.
Sakamoto Y, Niwa M, Muramatsu K, Shimo S
Cell Immunol
. 2025 Jan;
409-410:104911.
PMID: 39842230
Obesity exacerbates susceptibility to infectious diseases. We investigated the effects of a high-fat diet (HFD) on intestinal immunity, particularly immunoglobulin (Ig)A-producing cells, B-cell activating factor (BAFF), and a proliferation-inducing ligand...
2.
Niwa M, Hayashida J, Tokugawa M, Nanya T, Tanabe M, Honda N, et al.
Chemistry
. 2024 Oct;
30(72):e202403233.
PMID: 39390663
DNA-encoded library (DEL) technology is a crucial tool in pharmaceutical research, rapidly identifying compounds that bind to a target of interest from an extensive pool of compounds. In this study,...
3.
Hosozawa T, Niwa M, Takeuchi H, Inohana T, Okumura K, Itoh S
Bioorg Med Chem Lett
. 2024 Jul;
110:129859.
PMID: 38955244
In this study, we report on the ability of DMTMM PF to improve the amidation reaction. The on-DNA amidation reaction using DMTMM PF demonstrates higher conversion rates than those using...
4.
Muramatsu K, Niimi N, Ikutomo M, Shimo S, Tamaki T, Niwa M, et al.
Exp Neurol
. 2023 Feb;
363:114357.
PMID: 36849002
Diabetes disrupts the corticospinal tract (CST) system components that control hindlimb and trunk movement, resulting in weakness of the lower extremities. However, there is no information about a method to...
5.
Functional and Structural Changes in the Corticospinal Tract of Streptozotocin-Induced Diabetic Rats
Muramatsu K, Shimo S, Tamaki T, Ikutomo M, Niwa M
Int J Mol Sci
. 2021 Sep;
22(18).
PMID: 34576288
This study aimed to reveal functional and morphological changes in the corticospinal tract, a pathway shown to be susceptible to diabetes. Type 1 diabetes was induced in 13-week-old male Wistar...
6.
Sakamoto Y, Niwa M, Muramatsu K, Shimo S
Int J Mol Sci
. 2021 Jan;
22(3).
PMID: 33503874
Several studies highlighted that obesity and diabetes reduce immune function. However, changes in the distribution of immunoglobins (Igs), including immunoglobulin-A (IgA), that have an important function in mucosal immunity in...
7.
Properties of Renshaw-like cells excited by recurrent collaterals of pudendal motoneurons in the cat
Muramatsu K, Niwa M, Sasaki S
J Physiol Sci
. 2020 Jul;
70(1):37.
PMID: 32660421
Although anatomical studies have indicated pudendal motoneurons to give off recurrent collaterals, they are not considered to make synapses onto interneurons, such as Renshaw cells, and rather terminate their own...
8.
Sasaki S, Muramatsu K, Niwa M
J Physiol Sci
. 2019 Oct;
69(6):961-968.
PMID: 31571147
Expiratory (E) neurons in the caudal nucleus retroambigualis extend descending spinal axons to the lumbar and sacral spinal cord. Discharge rates of single E neurons were recorded to examine differences...
9.
Niwa M, Muramatsu K, Nakayama K, Sasaki S
J Physiol Sci
. 2018 Oct;
69(2):253-262.
PMID: 30324557
Ia excitation and recurrent inhibition are basic neuronal circuits in motor control in hind limb. Renshaw cells receive synaptic inputs from axon collaterals of motoneurons and inhibit motoneurons and Ia...
10.
Tamaki T, Muramatsu K, Ikutomo M, Oshiro N, Hayashi H, Niwa M
Anat Sci Int
. 2018 Jun;
93(4):502-513.
PMID: 29876845
Skeletal muscle fiber subtypes are differentially sensitive to diabetes-related pathology; For example, fast-twitch muscles exhibit severe decreases in contraction force while slow-twitch muscles demonstrate prolonged half-relaxation time. However, such alterations...