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Tatsuya Shirai

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Articles 33
Citations 196
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Recent Articles
1.
Kozuki M, Tanaka S, Shirai T, Sakon N, Harada S, Kitagawa A, et al.
J Infect Chemother . 2025 Mar; 31(4):102673. PMID: 40023223
Aim: Hepatitis A outbreaks among men who have sex with men (MSM) are a growing global concern. We present a case report of acute hepatitis A in a Japanese MSM...
2.
Shirai T, Mizukoshi F, Kimura R, Matsuoka R, Sada M, Shirato K, et al.
Microorganisms . 2025 Feb; 13(2). PMID: 40005765
Human parainfluenza virus type 2 (HPIV2) is a clinically significant respiratory pathogen, which highlights the necessity of studies on its molecular evolution. This study investigated the evolutionary dynamics, phylodynamics, and...
3.
Mizukoshi F, Kimura R, Shirai T, Hirata-Saito A, Hiraishi E, Murakami K, et al.
Microorganisms . 2025 Feb; 13(2). PMID: 40005689
Human sapovirus (HuSaV) is a significant cause of gastroenteritis. This study aims to analyze the evolutionary dynamics of the RNA-dependent RNA polymerase () and capsid () genes of the HuSaV...
4.
Uryu K, Kakei Y, Sendo S, Goto I, Akashi K, Nishimum K, et al.
Oral Dis . 2024 Dec; PMID: 39737714
Objectives: The effects of systemic inflammation on the temporomandibular joint (TMJ) are poorly understood. This study aimed to establish a mouse model to study the effects of systemic inflammation on...
5.
Kimura R, Kimura H, Shirai T, Hayashi Y, Sato-Fujimoto Y, Kamitani W, et al.
Microorganisms . 2024 Sep; 12(9). PMID: 39338486
To better understand the molecular genetics of the gene ( gene), we collected many subtypes of genes and performed detailed molecular evolutionary analyses of the gene. To achieve the aim...
6.
Shirai T, Phadungsombat J, Ushikai Y, Yoshikaie K, Shioda T, Sakon N
Viruses . 2024 Apr; 16(4). PMID: 38675994
We investigated the molecular epidemiology of human norovirus (HuNoV) in all age groups using samples from April 2019 to March 2023, before and after the COVID-19 countermeasures were implemented. GII.2[P16]...
7.
Kakei Y, Ioroi T, Miyakoda K, Ito T, Kashin M, Shirai T, et al.
Cureus . 2024 Apr; 16(4):e57516. PMID: 38572179
Introduction In our previous work, we investigated the analgesic effects of ibuprofen gargle after mandibular third molar extractions. However, a subsequent detailed review of individual patient data revealed variations in...
8.
Ioroi T, Kakei Y, Ito T, Shirai T, Okazaki Y, Hasegawa T, et al.
Clin Exp Dent Res . 2023 Nov; 9(6):1058-1068. PMID: 38031263
Objective: This study was designed to evaluate the postoperative efficacy and safety of using an ibuprofen gargle as a pain management strategy for patients who have undergone mandibular third molar...
9.
Nagasawa N, Kimura R, Akagawa M, Shirai T, Sada M, Okayama K, et al.
Microorganisms . 2023 Sep; 11(9). PMID: 37764181
To better understand the evolution of the SARS-CoV-2 Omicron subvariants, we performed molecular evolutionary analyses of the spike () protein gene/S protein using advanced bioinformatics technologies. First, time-scaled phylogenetic analysis...
10.
Kimura H, Hayashi Y, Kitagawa M, Yoshizaki M, Saito K, Harada K, et al.
Microorganisms . 2023 Sep; 11(9). PMID: 37763986
The identification of pathogens associated with respiratory symptoms other than the novel coronavirus disease 2019 (COVID-19) can be challenging. However, the diagnosis of pathogens is crucial for assessing the clinical...