Multi-state Model Analysis Reveals Increased Risk of Severe COVID-19 Outcomes in Hospitalized Patients with Diabetes University repository ↗Ishii K, Harada K, Iwasaki H, Hara N, Abe H, Shikuma J, Miwa T, Nakamura I, Watanabe H, Suwanai H, Suzuki R.The Journal of Tokyo Medical University. 2026;84(1):39-49.Not found in PubMed (checked October 14, 2026).

Elucidation of the clinical traits of diabetic chorea through a questionnaire survey of people with diabetic chorea from 59 Japanese hospitals. PubMed ↗Arakawa N, Aoyama T, Suwanai H, Toda G, Takamoto I, Okazaki Y, Kadowaki T, Yamauchi T.J Diabetes Investig. 2025;16(4):680-688.PMID: 39714319

Diabetes with COVID-19 was a significant risk factor for mortality, mechanical ventilation, and renal replacement therapies: A multicenter retrospective study in Japan. PubMed ↗Suwanai H, Kanda M, Harada K, Ishii K, Iwasaki H, Hara N, Kobayashi Y, Matsumura H, Inoue T, Suzuki R.PLoS One. 2025;20(3):e0319801.PMID: 40106491 Read our Journal Club commentary →

Anterior-Posterior Abdominal Diameter and Waist Circumference Have Comparable Predictive Ability for Visceral Fat Area. PubMed ↗Shikuma J, Nagai Y, Otaki M, Shimizu N, Wada Y, Sasaki-Shima J, Suwanai H, Ito R, Miwa T, Suzuki R.Obes Sci Pract. 2025;11(1):e70047.PMID: 39867674

Corticosteroid-triggered acute skeletal muscle loss in lipodystrophy: A case report. PubMed ↗Sasako T, Suzuki K, Odawara S, Suwanai H, Akuta N, Kubota N, Ueki K, Kadowaki T, Yamauchi T.J Diabetes Investig. 2024;15(6):782-785.PMID: 38372649

Disulfide Bonds of Thyroid Peroxidase Are Critical Elements for Subcellular Localization, Proteasome-Dependent Degradation, and Enzyme Activity. PubMed ↗Iwasaki H, Suwanai H, Yakou F, Sakai H, Ishii K, Hara N, Buckle AM, Kanekura K, Miyagi T, Narumi S, Suzuki R.Thyroid. 2024;34(5):659-667.PMID: 38482822 Read our Journal Club commentary →

Predictive patterns of lower urinary tract symptoms and bacteriuria in adults with type 2 diabetes. PubMed ↗Sugai K, Sasaki J, Wada Y, Shimizu N, Ishikawa T, Yanagi K, Hashimoto T, Tanaka A, Suwanai H, Suzuki R, Odawara M.Diabetol Int. 2024;15(2):253-261.PMID: 38524941

Clinical characteristics and human leukocyte antigens in patients with immune checkpoint inhibitor-induced type 1 diabetes and pituitary dysfunction: a single center prospective study. PubMed ↗Hara N, Suwanai H, Yakou F, Ishii K, Iwasaki H, Abe H, Shikuma J, Sakai H, Miwa T, Suzuki R.Endocrine. 2023;81(3):477-483.PMID: 37178310

Hematocrit elevation after SGLT2 inhibitor administration may be associated with the degree of proximal tubular damage. PubMed ↗Shikuma J, Sakakura K, Sugiyama-Takahashi M, Nakamura Y, Nagai Y, Suwanai H, Ito R, Miwa T, Suzuki R.Medicine (Baltimore). 2022;101(42):e31122.PMID: 36281104

Ventricular fibrillation immediately after the treatment of Graves’ disease coexisting with atypical angina and long QT syndrome: a case report. PubMed ↗Iwasaki H, Suwanai H, Sakai H, Ishii K, Hara N, Satomi K, Takada Y, Nagamatsu Y, Suzuki R.Thyroid Res. 2022;15(1):18.PMID: 36184604

Machine learning approach to predict subtypes of primary aldosteronism is helpful to estimate indication of adrenal vein sampling. PubMed ↗Tamaru S, Suwanai H, Abe H, Sasaki J, Ishii K, Iwasaki H, Shikuma J, Ito R, Miwa T, Sasaki T, Takamiya T, Inoue S, Saito K, Odawara M, Suzuki R.High Blood Press Cardiovasc Prev. 2022;29(4):375-383.PMID: 35576101

Hypercalcemia associated with dysgerminoma and elevation of calcitriol: A case report and review of the literature. PubMed ↗Hara N, Suwanai H, Abe H, Yakou F, Ishikawa T, Urayama M, Nagai T, Nagao T, Shikuma J, Miwa T, Suzuki R, Odawara M.SAGE Open Med Case Rep. 2022;10:2050313X211068562.PMID: 35070316

A cross-sectional study of the correlation between diabetic therapy and serum zinc concentrations. PubMed ↗Sakurai M, Sasaki J, Suwanai H, Shikuma J, Ito R, Odawara M, Miwa T, Suzuki R.Diabetol Int. 2022;13(1):177-187.PMID: 35059254

A case of diabetic ketoacidosis in a patient with COVID-19 and newly diagnosed type 1 diabetes. PubMed ↗Ishii K, Suwanai H, Saito T, Motohashi N, Hirayama M, Kondo A, Sano K, Shikuma J, Ito R, Miwa T, Suzuki R.Clin Case Rep. 2021;9(9):e04881.PMID: 34594560

Falsely diagnosed thyrotoxicosis caused by anti-streptavidin antibodies and pre-wash procedures. PubMed ↗Ishikawa T, Sakai H, Itaya T, Hirotsugu S, Shikuma J, Miwa T, Suzuki R, Odawara M.Thyroid Res. 2021;14(1):17.PMID: 34246285

MEK/ERK Signaling in β-Cells Bifunctionally Regulates β-Cell Mass and Glucose-Stimulated Insulin Secretion Response to Maintain Glucose Homeostasis. PubMed ↗Ikushima YM, Awazawa M, Kobayashi N, Osonoi S, Takemiya S, Kobayashi H, Suwanai H, Morimoto Y, Soeda K, Adachi J, Muratani M, Charron J, Mizukami H, Takahashi N, Ueki K.Diabetes. 2021;70(7):1519-1535.PMID: 33906910 Read our Journal Club commentary →

Reply: Dipeptidyl Peptidase-4 Inhibitor Reduces the Risk of Developing Hypertrophic Scars and Keloids following Median Sternotomy in Diabetic Patients: A Nationwide Retrospective Cohort Study Using the National Database of Health Insurance Claims of Japan. PubMed ↗Suwanai H, Watanabe R, Matsumura H.Plast Reconstr Surg. 2021;147(6):1068e-1069e.PMID: 33961591

A Rare Case of Ectopic Adrenocorticotropic Hormone Syndrome with Recurrent Olfactory Neuroblastoma. PubMed ↗Abe H, Suwanai H, Kambara N, Sano K, Shikuma J, Akaoka H, Kanazawa A, Hirai H, Miwa T, Nagao T, Odawara M.Intern Med. 2021;60(1):105-109.PMID: 32921682

Comprehensive Gene Analysis of IgG4-Related Ophthalmic Disease Using RNA Sequencing. PubMed ↗Asakage M, Usui Y, Nezu N, Shimizu H, Tsubota K, Umazume K, Yamakawa N, Umezu T, Suwanai H, Kuroda M, Goto H.J Clin Med. 2020;9(11):3458.PMID: 33121169

A Novel Homozygous Mutation of Thyroid Peroxidase Gene Abolishes a Disulfide Bond Leading to Congenital Hypothyroidism. PubMed ↗Yakou F, Suwanai H, Ishikawa T, Itou M, Shikuma J, Miwa T, Sakai H, Kanekura K, Narumi S, Suzuki R, Odawara M.Int J Endocrinol. 2020;2020:9132372.PMID: 32908504

Dipeptidyl Peptidase-4 Inhibitor Reduces the Risk of Developing Hypertrophic Scars and Keloids following Median Sternotomy in Diabetic Patients: A Nationwide Retrospective Cohort Study Using the National Database of Health Insurance Claims of Japan. PubMed ↗Suwanai H, Watanabe R, Sato M, Odawara M, Matsumura H.Plast Reconstr Surg. 2020;146(1):83-89.PMID: 32590649

Insulin- and Lipopolysaccharide-Mediated Signaling in Adipose Tissue Macrophages Regulates Postprandial Glycemia through Akt-mTOR Activation. PubMed ↗Toda G, Soeda K, Okazaki Y, Kobayashi N, Masuda Y, Arakawa N, Suwanai H, Masamoto Y, Izumida Y, Kamei N, Sasako T, Suzuki R, Kubota T, Kubota N, Kurokawa M, Tobe K, Noda T, Honda K, Accili D, Yamauchi T, Kadowaki T, Ueki K.Mol Cell. 2020;79(1):43-53.e4.PMID: 32464093

Clinical Features of Type B Insulin Resistance in Japanese Patients: Case Report and Survey-Based Case Series Study. PubMed ↗Hirota Y, Suwanai H, Yamauchi T, Kadowaki T.J Diabetes Res. 2020;2020:4359787.PMID: 32337291

Protein kinase C promotes choline transporter‑like protein 1 function via improved cell surface expression in immortalized human hepatic cells. PubMed ↗Ishikawa T, Suwanai H, Shikuma J, Suzuki R, Yamanaka T, Odawara M, Inazu M.Mol Med Rep. 2020;21(2):777-785.PMID: 31974614

IL-7R-Dependent Phosphatidylinositol 3-Kinase Competes with the STAT5 Signal to Modulate T Cell Development and Homeostasis. PubMed ↗Cui G, Shimba A, Ma G, Takahara K, Tani-Ichi S, Zhu Y, Asahi T, Abe A, Miyachi H, Kitano S, Hara T, Yasunaga JI, Suwanai H, Yamada H, Matsuoka M, Ueki K, Yoshikai Y, Ikuta K.J Immunol. 2020;204(4):844-857.PMID: 31924648

Assessing hypoglycemia frequency using flash glucose monitoring in older Japanese patients with type 2 diabetes receiving oral hypoglycemic agents. PubMed ↗Abe H, Shikuma J, Suwanai H, Sano K, Okumura T, Kan K, Takahashi T, Miwa T, Suzuki R, Odawara M.Geriatr Gerontol Int. 2019;19(10):1030-1035.PMID: 31486247

A defective Il15 allele underlies the deficiency in natural killer cell activity in nonobese diabetic mice. PubMed ↗Suwanai H, Wilcox MA, Mathis D, Benoist C.Proc Natl Acad Sci U S A. 2010;107(20):9305-10.PMID: 20439722

A novel therapeutic technology of specific RNA inhibition for acute promyelocytic leukemia: improved design of maxizymes against PML/RARalpha mRNA. PubMed ↗Suwanai H, Matsushita H, Kobayashi H, Ikeda Y, Kizaki M.Int J Oncol. 2002;20(1):127-30.PMID: 11743652

Genetic and Clinical Characteristics of 185 Japanese Children With 46,XY Differences of Sex Development. PubMed ↗Hayashi M, Narumi S, Sato T, Amano N, Suwanai AS, Haruna H, Muroya K, Adachi M, Asanuma H, Ohashi H, Ishii T, Hasegawa T.J Clin Endocrinol Metab. 2025;110(8):e2682-e2690.PMID: 39569443

Association between monoallelic TSHR mutations and congenital hypothyroidism: a statistical approach. PubMed ↗Abe K, Narumi S, Suwanai AS, Adachi M, Muroya K, Asakura Y, Nagasaki K, Abe T, Hasegawa T.Eur J Endocrinol. 2018;178(2):137-144.PMID: 29092890

Pseudodominant inheritance in a family with nonautoimmune hypothyroidism due to biallelic DUOX2 mutations. PubMed ↗Abe K, Narumi S, Suwanai AS, Hamajima T, Hasegawa T.Clin Endocrinol (Oxf). 2015;83(3):394-8.PMID: 25263060

Characteristic testicular histology is useful for the identification of NR5A1 gene mutations in prepubertal 46,XY patients. PubMed ↗Nishina-Uchida N, Fukuzawa R, Numakura C, Suwanai AS, Hasegawa T, Hasegawa Y.Horm Res Paediatr. 2013;80(2):119-28.PMID: 23969951

A report of two novel NR5A1 mutation families: possible clinical phenotype of psychiatric symptoms of anxiety and/or depression. PubMed ↗Suwanai AS, Ishii T, Haruna H, Yamataka A, Narumi S, Fukuzawa R, Ogata T, Hasegawa T.Clin Endocrinol (Oxf). 2013;78(6):957-65.PMID: 23095176

The effect of intramuscular testosterone enanthate treatment on stretched penile length in prepubertal boys with hypospadias. PubMed ↗Ishii T, Hayashi M, Suwanai A, Amano N, Hasegawa T.Urology. 2010;76(1):97-100.PMID: 20350750