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Yamazaki K, Ogiwara T, Kitamura S, Fujii Y, Yamazaki D, Kuwabara H, Funato K, Hanaoka Y, Horiuchi T. Endoscopic Evacuation of Putaminal Hemorrhage Using the Trans-Middle Temporal Gyrus Approach: Technical Notes and Case Presentations. J Neurol Surg A Cent Eur Neurosurg 2024. [PMID: 36914159 DOI: 10.1055/a-2053-2999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
BACKGROUND The development of minimally invasive endoscopic neurosurgery has enabled widespread application of endoscopic surgery via the ipsilateral transfrontal approach for putaminal hematoma evacuation. However, this approach is unsuitable for putaminal hematomas that extend into the temporal lobe. We adopted the endoscopic trans-middle temporal gyrus approach, instead of the conventional surgical approach, for the management of these complicated cases and determined its safety and feasibility. METHODS Twenty patients with putaminal hemorrhage underwent surgical treatment at the Shinshu University Hospital between January 2016 and May 2021. Of these, two patients with left putaminal hemorrhage that extended into the temporal lobe underwent surgical treatment using the endoscopic trans-middle temporal gyrus approach. The procedure entailed the use of a thinner transparent sheath to reduce the technique's invasiveness, a navigation system to determine the location of the middle temporal gyrus and the sheath's trajectory, and an endoscope with a 4K camera for higher image quality and utility. The sylvian fissure was compressed superiorly using our novel "port retraction technique" (i.e., by tilting the transparent sheath superiorly) to avoid damage to the middle cerebral artery and Wernicke's area. RESULTS The endoscopic trans-middle temporal gyrus approach allowed sufficient hematoma evacuation and hemostasis under endoscopic observation without any surgical complexities or complications. The postoperative course was uneventful in both patients. CONCLUSION The endoscopic trans-middle temporal gyrus approach for putaminal hematoma evacuation helps avoid damage to normal brain tissue, which could result from the wide range of motion of the conventional technique, particularly when the hemorrhage extends to the temporal lobe.
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Affiliation(s)
- Ken Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Haruki Kuwabara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kohei Funato
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Arai M, Suzuki E, Kitamura S, Otaki M, Kanai K, Yamasaki M, Watanabe M, Kambe Y, Murata K, Takada Y, Arisawa T, Kobayashi K, Tajika R, Miyazaki T, Yamaguchi M, Lazarus M, Hayashi Y, Itohara S, de Kerchove d'Exaerde A, Nawa H, Kim R, Bito H, Momiyama T, Masukawa D, Goshima Y. Enhancement of Haloperidol-Induced Catalepsy by GPR143, an L-Dopa Receptor, in Striatal Cholinergic Interneurons. J Neurosci 2024; 44:e1504232024. [PMID: 38286627 PMCID: PMC10941237 DOI: 10.1523/jneurosci.1504-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/30/2023] [Accepted: 01/11/2024] [Indexed: 01/31/2024] Open
Abstract
Dopamine neurons play crucial roles in pleasure, reward, memory, learning, and fine motor skills and their dysfunction is associated with various neuropsychiatric diseases. Dopamine receptors are the main target of treatment for neurologic and psychiatric disorders. Antipsychotics that antagonize the dopamine D2 receptor (DRD2) are used to alleviate the symptoms of these disorders but may also sometimes cause disabling side effects such as parkinsonism (catalepsy in rodents). Here we show that GPR143, a G-protein-coupled receptor for L-3,4-dihydroxyphenylalanine (L-DOPA), expressed in striatal cholinergic interneurons enhances the DRD2-mediated side effects of haloperidol, an antipsychotic agent. Haloperidol-induced catalepsy was attenuated in male Gpr143 gene-deficient (Gpr143-/y ) mice compared with wild-type (Wt) mice. Reducing the endogenous release of L-DOPA and preventing interactions between GPR143 and DRD2 suppressed the haloperidol-induced catalepsy in Wt mice but not Gpr143-/y mice. The phenotypic defect in Gpr143-/y mice was mimicked in cholinergic interneuron-specific Gpr143-/y (Chat-cre;Gpr143flox/y ) mice. Administration of haloperidol increased the phosphorylation of ribosomal protein S6 at Ser240/244 in the dorsolateral striatum of Wt mice but not Chat-cre;Gpr143flox/y mice. In Chinese hamster ovary cells stably expressing DRD2, co-expression of GPR143 increased cell surface expression level of DRD2, and L-DOPA application further enhanced the DRD2 surface expression. Shorter pauses in cholinergic interneuron firing activity were observed after intrastriatal stimulation in striatal slice preparations from Chat-cre;Gpr143flox/y mice compared with those from Wt mice. Together, these findings provide evidence that GPR143 regulates DRD2 function in cholinergic interneurons and may be involved in parkinsonism induced by antipsychotic drugs.
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Affiliation(s)
- Masami Arai
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Etsuko Suzuki
- Department of Pharmacology, Jikei University School of Medicine, Tokyo 105-8461, Japan
| | - Satoshi Kitamura
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Momoyo Otaki
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Kaori Kanai
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Miwako Yamasaki
- Department of Anatomy, Faculty of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Masahiko Watanabe
- Department of Anatomy, Faculty of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Yuki Kambe
- Department of Pharmacology, Graduate School of Medical and Dental Science, Kagoshima University, Kagoshima 890-0075, Japan
| | - Koshi Murata
- Division of Brain Structure and Function, Faculty of Medical Sciences, University of Fukui, Fukui 910-0017, Japan
| | - Yuuki Takada
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Tetsu Arisawa
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
- Radioisotope Research Center, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Kenta Kobayashi
- Section of Viral Vector Development, Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki 444-8585, Japan
| | - Rei Tajika
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Tomoyuki Miyazaki
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Masahiro Yamaguchi
- Department of Physiology, Kochi Medical School, Kochi University, Kochi 783-8505, Japan
| | - Michael Lazarus
- Institute of Medicine, University of Tsukuba, Tsukuba 305-0005, Japan
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba 305-0005, Japan
| | - Yu Hayashi
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba 305-0005, Japan
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Shigeyoshi Itohara
- Laboratory for Behavioral Genetics, RIKEN Center for Brain Science, Wako, Saitama 351-0198, Japan
| | | | - Hiroyuki Nawa
- Department of Physiological Sciences, School of Pharmaceutical Sciences, Wakayama Medical University. Wakayama-city, Wakayama 640-8156, Japan
| | - Ryang Kim
- Department of Neurochemistry, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Haruhiko Bito
- Department of Neurochemistry, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Toshihiko Momiyama
- Department of Pharmacology, Jikei University School of Medicine, Tokyo 105-8461, Japan
| | - Daiki Masukawa
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Yoshio Goshima
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
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Hanaoka Y, Abe D, Koyama JI, Nakamura T, Kitamura S, Horiuchi T. A new very-small-bore Simmons guiding sheath for transradial neurointervention: Technical note and initial experience. J Neuroradiol 2024; 51:214-219. [PMID: 37625629 DOI: 10.1016/j.neurad.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/22/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023]
Abstract
Transradial access during neurointerventions has increased in popularity because of reduced complications and patient preference. Nevertheless, transradial cannulation into the left common carotid artery can be difficult technically because of the lack of catheter support in the aortic arch. Furthermore, the use of large sheaths can increase the risk of complications at the access site. Here, we developed a new very-small-bore transradial system using a 3F Simmons guiding sheath, to increase the procedural success rate and minimize access-site complications. This system can represent a valuable treatment option for neurointerventions and has the potential to expand the indications for transradial access.
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Affiliation(s)
- Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Daishiro Abe
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Kitamura S, Hanaoka Y, Koyama JI, Yamazaki D, Nakamura T, Horiuchi T. Retrograde Parent Artery Occlusion for Ruptured Intracranial Vertebral Artery Dissecting Aneurysms Involving the Posterior Inferior Cerebellar Artery: The "Breakwater" Technique. Clin Neuroradiol 2024:10.1007/s00062-024-01388-1. [PMID: 38305799 DOI: 10.1007/s00062-024-01388-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 01/14/2024] [Indexed: 02/03/2024]
Affiliation(s)
- Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan.
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Kanaya K, Ichinohe F, Kitamura S, Aonuma T, Kaneko T, Yokota A, Horiuchi T. Contrast-enhanced CT rim sign may predict vestibular schwannoma adhesion and postoperative complications. Clin Radiol 2024; 79:e287-e294. [PMID: 37989668 DOI: 10.1016/j.crad.2023.10.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 10/02/2023] [Accepted: 10/18/2023] [Indexed: 11/23/2023]
Abstract
AIM To investigate the clinical and radiological features to predict adhesion between vestibular schwannoma (VS) and brain tissue which is a critical risk factor for postoperative infarction and residual tumour. MATERIAL AND METHODS One hundred and seven consecutive VS surgeries were analysed. After excluding cases without contrast-enhanced (CE) computed tomography (CT), Koos grades 1 and 2, and cases with incomplete clinical data, 44 patients were finally included in the study. Enhancement of the tumour capsule on the brainstem side on CE-CT was defined as the CE-CT rim sign, which was analysed along with clinical characteristics, including tumour adhesion and postoperative complications. RESULTS Eight patients exhibited CE-CT rim signs; 17 had tumour adhesions. Four patients had postoperative infarction at the ipsilateral middle cerebellar peduncle; 18 exhibited postoperative infarction and/or residual tumour at the middle cerebellar peduncle. The CE-CT rim sign significantly correlated with tumour adhesion, postoperative infarction, and postoperative infarction and/or residual tumour in the cerebellar peduncle. Univariate regression analysis revealed that the CE-CT rim sign significantly correlated with tumour adhesion (odds ratio [OR] 6.81, 95% confidence interval [CI] 1.18-39.25, p=0.032) and postoperative infarction and/or residual tumour at the cerebellar peduncle (OR 6.00, 95% CI 1.04-34.31, p=0.044). CONCLUSION The CE-CT rim sign was identified in 18.2% of patients with VS and significantly correlated with tumour adhesion and postoperative complications, such as postoperative infarction and residual tumour. This study highlights the importance of the preoperative CE-CT rim sign in VS, which is predictive of tumour adhesion and postoperative complications.
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Affiliation(s)
- K Kanaya
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan.
| | - F Ichinohe
- Department of Radiology, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - S Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Aonuma
- Department of Radiology, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Kaneko
- Department of Radiology, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - A Yokota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, Ellison R, Emberson J, Epp R, Er A, Espino-Obrero M, Estcourt S, Estienne L, Evans G, Evans J, Evans S, Fabbri G, Fajardo-Moser M, Falcone C, Fani F, Faria-Shayler P, Farnia F, Farrugia D, Fechter M, Fellowes D, Feng F, Fernandez J, Ferraro P, Field A, Fikry S, Finch J, Finn H, Fioretto P, Fish R, Fleischer A, Fleming-Brown D, Fletcher L, Flora R, Foellinger C, Foligno N, Forest S, Forghani Z, Forsyth K, Fottrell-Gould D, Fox P, Frankel A, Fraser D, Frazier R, Frederick K, Freking N, French H, Froment A, Fuchs B, Fuessl L, Fujii H, Fujimoto A, Fujita A, Fujita K, Fujita Y, Fukagawa M, Fukao Y, Fukasawa A, Fuller T, Funayama T, Fung E, Furukawa M, Furukawa Y, Furusho M, Gabel S, Gaidu J, Gaiser S, Gallo K, Galloway C, Gambaro G, Gan CC, Gangemi C, Gao M, Garcia K, Garcia M, Garofalo C, Garrity M, Garza A, Gasko S, Gavrila M, Gebeyehu B, Geddes A, Gentile G, George A, George J, Gesualdo L, Ghalli F, Ghanem A, Ghate T, Ghavampour S, Ghazi A, Gherman A, Giebeln-Hudnell U, Gill B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, Hernandez G, Hernandez Pena A, Hernandez-Cassis C, Herrington WG, Herzog C, Hewins S, Hewitt D, Hichkad L, Higashi S, Higuchi C, Hill C, Hill L, Hill M, Himeno T, Hing A, Hirakawa Y, Hirata K, Hirota Y, Hisatake T, Hitchcock S, Hodakowski A, Hodge W, Hogan R, Hohenstatt U, Hohenstein B, Hooi L, Hope S, Hopley M, Horikawa S, Hosein D, Hosooka T, Hou L, Hou W, Howie L, Howson A, Hozak M, Htet Z, Hu X, Hu Y, Huang J, Huda N, Hudig L, Hudson A, Hugo C, Hull R, Hume L, Hundei W, Hunt N, Hunter A, Hurley S, Hurst A, Hutchinson C, Hyo T, Ibrahim FH, Ibrahim S, Ihana N, Ikeda T, Imai A, Imamine R, Inamori A, Inazawa H, Ingell J, Inomata K, Inukai Y, Ioka M, Irtiza-Ali A, Isakova T, Isari W, Iselt M, Ishiguro A, Ishihara K, Ishikawa T, Ishimoto T, Ishizuka K, Ismail R, Itano S, Ito H, Ito K, Ito M, Ito Y, Iwagaitsu S, Iwaita Y, Iwakura T, Iwamoto M, Iwasa M, Iwasaki H, Iwasaki S, Izumi K, Izumi K, Izumi T, Jaafar SM, Jackson C, Jackson Y, Jafari G, Jahangiriesmaili M, Jain N, Jansson K, Jasim H, Jeffers L, Jenkins A, Jesky M, Jesus-Silva J, Jeyarajah D, Jiang Y, Jiao X, Jimenez G, Jin B, Jin Q, Jochims J, Johns B, Johnson C, Johnson T, Jolly S, Jones L, Jones L, Jones S, Jones T, Jones V, Joseph M, Joshi S, Judge P, Junejo N, Junus S, Kachele M, Kadowaki T, Kadoya H, Kaga H, Kai H, Kajio H, Kaluza-Schilling W, Kamaruzaman L, Kamarzarian A, Kamimura Y, Kamiya H, Kamundi C, Kan T, Kanaguchi Y, Kanazawa A, Kanda E, Kanegae S, Kaneko K, Kaneko K, Kang HY, Kano T, Karim M, Karounos D, Karsan W, Kasagi R, Kashihara N, Katagiri H, Katanosaka A, Katayama A, Katayama M, Katiman E, Kato K, Kato M, Kato N, Kato S, Kato T, Kato Y, Katsuda Y, Katsuno T, Kaufeld J, Kavak Y, Kawai I, Kawai M, Kawai M, Kawase A, Kawashima S, Kazory A, Kearney J, Keith B, Kellett J, Kelley S, Kershaw M, Ketteler M, Khai Q, Khairullah Q, Khandwala H, Khoo KKL, Khwaja A, Kidokoro K, Kielstein J, Kihara M, Kimber C, Kimura S, Kinashi H, Kingston H, Kinomura M, Kinsella-Perks E, Kitagawa M, Kitajima M, Kitamura 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, 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Liew A, Liew YF, Lilavivat U, Lim SK, Lim YS, Limon E, Lin H, Lioudaki E, Liu H, Liu J, Liu L, Liu Q, Liu WJ, Liu X, Liu Z, Loader D, Lochhead H, Loh CL, Lorimer A, Loudermilk L, Loutan J, Low CK, Low CL, Low YM, Lozon Z, Lu Y, Lucci D, Ludwig U, Luker N, Lund D, Lustig R, Lyle S, Macdonald C, MacDougall I, Machicado R, MacLean D, Macleod P, Madera A, Madore F, Maeda K, Maegawa H, Maeno S, Mafham M, Magee J, Maggioni AP, Mah DY, Mahabadi V, Maiguma M, Makita Y, Makos G, Manco L, Mangiacapra R, Manley J, Mann P, Mano S, Marcotte G, Maris J, Mark P, Markau S, Markovic M, Marshall C, Martin M, Martinez C, Martinez S, Martins G, Maruyama K, Maruyama S, Marx K, Maselli A, Masengu A, Maskill A, Masumoto S, Masutani K, Matsumoto M, Matsunaga T, Matsuoka N, Matsushita M, Matthews M, Matthias S, Matvienko E, Maurer M, Maxwell P, Mayne KJ, Mazlan N, Mazlan SA, Mbuyisa A, McCafferty K, McCarroll F, McCarthy T, McClary-Wright C, McCray K, McDermott P, McDonald C, McDougall R, McHaffie E, McIntosh K, McKinley T, McLaughlin S, McLean N, McNeil L, Measor A, Meek J, Mehta A, Mehta R, Melandri M, Mené P, Meng T, Menne J, Merritt K, Merscher S, Meshykhi C, Messa P, Messinger L, Miftari N, Miller R, Miller Y, Miller-Hodges E, Minatoguchi M, Miners M, Minutolo R, Mita T, Miura Y, Miyaji M, Miyamoto S, Miyatsuka T, Miyazaki M, Miyazawa I, Mizumachi R, Mizuno M, Moffat S, Mohamad Nor FS, Mohamad Zaini SN, Mohamed Affandi FA, Mohandas C, Mohd R, Mohd Fauzi NA, Mohd Sharif NH, Mohd Yusoff Y, Moist L, Moncada A, Montasser M, Moon A, Moran C, Morgan N, Moriarty J, Morig G, Morinaga H, Morino K, Morisaki T, Morishita Y, Morlok S, Morris A, Morris F, Mostafa S, Mostefai Y, Motegi M, Motherwell N, Motta D, Mottl A, Moys R, Mozaffari S, Muir J, Mulhern J, Mulligan S, Munakata Y, Murakami C, Murakoshi M, Murawska A, Murphy K, Murphy L, Murray S, Murtagh H, Musa MA, Mushahar L, Mustafa R, Mustafar R, Muto M, Nadar E, Nagano R, Nagasawa T, Nagashima E, Nagasu H, Nagelberg S, Nair H, Nakagawa Y, Nakahara M, Nakamura J, Nakamura R, Nakamura T, Nakaoka M, Nakashima E, Nakata J, Nakata M, Nakatani S, Nakatsuka A, Nakayama Y, Nakhoul G, Nangaku M, Naverrete G, Navivala A, Nazeer I, Negrea L, Nethaji C, Newman E, Ng SYA, Ng TJ, Ngu LLS, Nimbkar T, Nishi H, Nishi M, Nishi S, Nishida Y, Nishiyama A, Niu J, Niu P, Nobili G, Nohara N, Nojima I, Nolan J, Nosseir H, Nozawa M, Nunn M, Nunokawa S, Oda M, Oe M, Oe Y, Ogane K, Ogawa W, Ogihara T, Oguchi G, Ohsugi M, Oishi K, Okada Y, Okajyo J, Okamoto S, Okamura K, Olufuwa O, Oluyombo R, Omata A, Omori Y, Ong LM, Ong YC, Onyema J, Oomatia A, Oommen A, Oremus R, Orimo Y, Ortalda V, Osaki Y, Osawa Y, Osmond Foster J, O'Sullivan A, Otani T, Othman N, Otomo S, O'Toole J, Owen L, Ozawa T, Padiyar A, Page N, Pajak S, Paliege A, Pandey A, Pandey R, Pariani H, Park J, Parrigon M, Passauer J, Patecki M, Patel M, Patel R, Patel T, Patel Z, Paul R, Paul R, Paulsen L, Pavone L, Peixoto A, Peji J, Peng BC, Peng K, Pennino L, Pereira E, Perez E, Pergola P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Hanaoka Y, Inomata Y, Koyama JI, Nakamura T, Kitamura S, Yamazaki D, Horiuchi T. Use of the Simmons guiding sheath via left transradial access as a feasible strategy for neurointerventions in patients with an aberrant right subclavian artery. J Neurointerv Surg 2023; 15:1165. [PMID: 37336638 DOI: 10.1136/jnis-2023-020539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 06/21/2023]
Affiliation(s)
- Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Yuki Inomata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
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Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Yamazaki D, Horiuchi T. Letter: Transradial Carotid Artery Stenting Using Walrus Balloon Guide Catheter: Technical Aspects and Clinical Outcome. Oper Neurosurg (Hagerstown) 2023; 25:e296-e297. [PMID: 37655894 DOI: 10.1227/ons.0000000000000895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/14/2023] [Indexed: 09/02/2023] Open
Affiliation(s)
- Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto , Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto , Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto , Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto , Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto , Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto , Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto , Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto , Japan
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Inomata Y, Hanaoka Y, Koyama JI, Yamazaki D, Kitamura S, Nakamura T, Horiuchi T. Left Transradial Access Using a Radial-Specific Neurointerventional Guiding Sheath for Coil Embolization of Anterior Circulation Aneurysm Associated With the Aberrant Right Subclavian Artery: Technical Note and Literature Review. World Neurosurg 2023; 178:126-131. [PMID: 37506842 DOI: 10.1016/j.wneu.2023.07.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Aberrant right subclavian artery (ARSA) is a rare condition, but the most common anomaly of the aortic arch. Although neurointerventions via transradial access (TRA) are becoming increasingly popular worldwide, transradial carotid cannulation has been extremely challenging in patients with an ARSA. Herein, we present a case of ARSA-associated anterior communicating artery (ACoA) aneurysm that was successfully treated with a radial-specific 6F Simmons guiding sheath via left TRA. We also review the relevant literature. METHODS A 68-year-old-woman who was diagnosed as having an ARSA-associated ACoA aneurysm underwent simple coiling via left TRA. After the 6F Simmons guiding sheath was engaged into the right common carotid artery using the pull-back-technique, transradial quadraxial system (6F Simmons guiding sheath/6F intermediate catheter/3.2F intermediate catheter/coil-delivery microcatheter) was implemented. RESULTS Simple coiling of the aneurysm was successfully achieved without catheter kinking or system instability. The postprocedural course was uneventful. A follow-up magnetic resonance angiography showed no evidence of recanalization 1 years 9 months after the procedure. CONCLUSIONS Transradial anterior circulation intervention has been rarely used for patients with an ARSA due to unfavorable catheter trajectory. Left TRA using the 6F Simmons guiding sheath is a useful treatment option to address anterior circulation interventions for patients with an ARSA. Preoperative diagnosis of ARSA is necessary for the application of our method.
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Affiliation(s)
- Yuki Inomata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Kitamura S, Horiuchi T. Superficial temporal artery aneurysm with segmental arterial mediolysis: a case report. Br J Neurosurg 2023; 37:1330-1332. [PMID: 33377814 DOI: 10.1080/02688697.2020.1867705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 12/18/2020] [Indexed: 10/22/2022]
Abstract
Segmental arterial mediolysis (SAM) is a rare non-arteriosclerotic and non-inflammatory vascular disease. Superficial temporal artery (STA) aneurysms are usually associated with trauma, surgery, and hair transplantation. Spontaneous aneurysms of the STA are uncommon, but an STA aneurysm caused by SAM is rare. We report a 70-year-old woman with a spontaneous aneurysm of the STA. The mass in the left parietal region was pulsatile and gradually enlarged in size without any history of head trauma. The mass was successfully removed by surgery and was proved histopathologically to be a true aneurysm with SAM.
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Affiliation(s)
- Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Abe D, Yamazaki D, Inomata Y, Horiuchi T. Smaller diameter sheaths are required to safely perform transradial neurointerventions. Interv Neuroradiol 2023:15910199231201517. [PMID: 37697723 DOI: 10.1177/15910199231201517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023] Open
Abstract
We read with great interest the paper titled "Transradial access with Simmons guiding catheter for carotid artery stenting: Feasibility and procedural complications in a single-center experience" by Muszynski et al. The authors concluded that a transradial carotid artery stenting (CAS) using a Glidesheath Slender 7F Introducer/7F Envoy Simmons 2 catheter system was feasible with a high procedural success rate and low access site complication rate. We completely agree with their conclusions. In this study, large-diameter sheaths were used. Large sheaths increase the risk of developing radial artery spasms. Interventionalists must be aware that radial artery spasm can not only require an access crossover, but can also cause severe access site complications, such as eversion or avulsion of the radial artery, catheter/sheath entrapment, and compartment syndrome. A 6F Simmons guiding sheath has a smaller outer diameter than the Glidesheath Slender 7F Introducer does, and it offers a large-bore working channel compatible with a 10-mm diameter Wallstent and Acculink. Transradial CAS with a 6F Simmons guiding sheath has previously yielded a high procedural success rate without serious access site complications. Nevertheless, we believe that a further decrease in the sheath diameter is required to safely perform transradial neurointerventions in more patients.
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Affiliation(s)
- Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Daishiro Abe
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Yuki Inomata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Nagano, Japan
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Abe D, Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Ogiwara T, Horiuchi T. New Cerebral Embolic Protection System for Endovascular Revascularization of Stenosis at the Origin of the Right Common Carotid Artery: the Counterflow Technique. Clin Neuroradiol 2023; 33:857-864. [PMID: 37171610 DOI: 10.1007/s00062-023-01290-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Affiliation(s)
- Daishiro Abe
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan.
- Neuroendovascular Therapy Center, Shinshu University Hospital, 3-1-1 Asahi, 390-8621, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, 3-1-1 Asahi, 390-8621, Matsumoto, Japan
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Hanaoka Y, Inomata Y, Koyama JI, Nakamura T, Kitamura S, Horiuchi T. Letter: Transradial Flow-Diverting Stent Placement Through an Arteria Lusoria: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2023; 25:e116-e117. [PMID: 37195058 DOI: 10.1227/ons.0000000000000771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/23/2023] [Indexed: 05/18/2023] Open
Affiliation(s)
- Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Yuki Inomata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Ogiwara T, Kitamura S, Goto T, Fujii Y, Yamazaki K, Kuwabara H, Yokota A, Murase H, Hanaoka Y, Sato A, Hongo K, Horiuchi T. The efficacy of a visiting surgical service versus that of a hospital-based surgical service in providing endoscopic endonasal surgery to remove nonfunctioning pituitary adenomas in rural communities. Pituitary 2023:10.1007/s11102-023-01338-z. [PMID: 37477852 DOI: 10.1007/s11102-023-01338-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/26/2023] [Indexed: 07/22/2023]
Abstract
PURPOSE To satisfy the increasing demand for endoscopic endonasal approach (EEA) to treat pituitary tumors, especially in rural areas, the "mobile EEA" system, a visiting surgical service, has been established We report this unique system for maintaining community healthcare and evaluate the surgical results of mobile EEA. METHODS A retrospectively acquired database of 225 consecutive cases of EEA at Shinshu University Hospital (i.e., "home EEA") and its affiliated hospitals (i.e., "away EEA") between May 2018 and May 2022 was reviewed. A total of 105 consecutive patients who fulfilled the criterion of a diagnosis of new-onset nonfunctioning pituitary adenoma (PA) were included. Clinical characteristics and postoperative clinical outcomes were statistically compared between the home EEA and away EEA groups to assess the presence of a home advantage and/or an away disadvantage. RESULTS Patients were stratified into two cohorts: patients treated at our hospital (home EEA: n = 41 [39.0%]) and those treated in the visiting surgical service at an affiliated hospital (away EEA: n = 64 [61.0%]). Postoperative clinical outcomes, such as the extent of tumor resection (p = 0.39), operation time (p = 0.80), visual function (p = 0.54), and occurrence of surgical complications (p = 0.53), were comparable between the groups. There were no visiting surgical service-related adverse events or accidents caused by physicians' driving to away hospitals. CONCLUSION Pituitary surgeries performed via the mobile EEA system for nonfunctioning PAs may help maintain local community healthcare. Furthermore, this system can also contribute to the efficient training of surgeons by the same experienced pituitary surgeon using the same protocol.
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Affiliation(s)
- Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Tetsuya Goto
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Ken Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Haruki Kuwabara
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Akifumi Yokota
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Hiromu Murase
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Atsushi Sato
- Department of Neurosurgery, Ina Central Hospital, Ina, Japan
| | - Kazuhiro Hongo
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
- Department of Neurosurgery, Ina Central Hospital, Ina, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
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Satoh K, Hoshino W, Hase Y, Kitamura S, Hayashi H, Furuta M, Oono Y. Lethal and mutagenic effects of different LET radiations on Bacillus subtilis spores. Mutat Res 2023; 827:111835. [PMID: 37562181 DOI: 10.1016/j.mrfmmm.2023.111835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/23/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023]
Abstract
New, useful microorganism resources have been generated by ionizing radiation breeding technology. However, the mutagenic effects of ionizing radiation on microorganisms have not been systematically clarified. For a deeper understanding and characterization of ionizing radiation-induced mutations in microorganisms, we investigated the lethal effects of seven different linear energy transfer (LET) radiations based on the survival fraction (SF) and whole-genome sequencing analysis of the mutagenic effects of a dose resulting in an SF of around 1% in Bacillus subtilis spores. Consequently, the lower LET radiations (gamma [surface LET: 0.2 keV/µm] and 4He2+ [24 keV/µm]) showed low lethality and high mutation frequency (MF), resulting in the major induction of single-base substitutions. Whereas higher LET radiations (12C5+ [156 keV/µm] and 12C6+ [179 keV/µm]) showed high lethality and low MF, resulting in the preferential induction of deletion mutations. In addition, 12C6+ (111) ion beams likely possess characteristics of both low- and high-LET radiations simultaneously. A decrease in the relative biological effectiveness and an evaluation of the inactivation cross section indicated that 20Ne8+ (468 keV/µm) and 40Ar13+ (2214 keV/µm) ion beams had overkill effects. In conclusion, in the mutation breeding of microorganisms, it should be possible to regulate the proportions, types, and frequencies of induced mutations by selecting an ionizing radiation of an appropriate LET in accordance with the intended purpose.
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Affiliation(s)
- Katsuya Satoh
- Department of Quantum-Applied Biosciences, Takasaki Institute for Advanced Quantum Science, Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan.
| | - Wataru Hoshino
- Department of Quantum-Applied Biosciences, Takasaki Institute for Advanced Quantum Science, Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan; Faculty of Engineering, Maebashi Institute of Technology, 460-1 Kamisadori, Maebashi, Gunma 371-0816, Japan
| | - Yoshihiro Hase
- Department of Quantum-Applied Biosciences, Takasaki Institute for Advanced Quantum Science, Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
| | - Satoshi Kitamura
- Department of Quantum-Applied Biosciences, Takasaki Institute for Advanced Quantum Science, Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
| | - Hidenori Hayashi
- Faculty of Engineering, Maebashi Institute of Technology, 460-1 Kamisadori, Maebashi, Gunma 371-0816, Japan
| | - Masakazu Furuta
- Department of Quantum and Radiation Engineering, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Yutaka Oono
- Department of Quantum-Applied Biosciences, Takasaki Institute for Advanced Quantum Science, Foundational Quantum Technology Research Directorate, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
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Nakamura T, Hanaoka Y, Koyama JI, Yamazaki D, Kitamura S, Horiuchi T. Surgical trapping of a cavernous carotid aneurysm causing carotid cavernous fistula after flow diverter placement: Technical note and literature review. World Neurosurg 2023:S1878-8750(23)00730-1. [PMID: 37268190 DOI: 10.1016/j.wneu.2023.05.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/04/2023]
Abstract
BACKGROUND Flow diverter (FD) treatment is a promising therapeutic strategy for intracranial aneurysms such as cavernous carotid aneurysms (CCAs). Direct cavernous carotid fistula (CCF) caused by delayed rupture of FD-treated CCAs has been reported, and endovascular therapy has been used in the literature. Surgical treatment is warranted for patients who have failed or ineligible for endovascular treatment. However, no studies have evaluated surgical treatment to date. Here, this paper presents the first case of direct CCF due to delayed rupture of an FD-treated CCA managed with surgical internal carotid artery (ICA) trapping with bypass revascularization, in which the intracranial ICA with FD placement was successfully occluded with aneurysm clips. CASE PRESENTATION A 63-year-old man with a diagnosis of large symptomatic left CCA underwent FD treatment. The FD was deployed from the supraclinoid segment of the ICA distal to the ophthalmic artery to the petrous segment of the ICA. Since angiography 7 months after the FD placement showed progressive direct CCF, left superficial temporal artery-middle cerebral artery bypass followed by ICA trapping was performed. The intracranial ICA proximal to the ophthalmic artery where the FD was placed was successfully occluded using two aneurysm clips. The postoperative course was uneventful. Follow-up angiography 8 months after the surgery confirmed complete obliteration of the direct CCF and CCA. CONCLUSION The intracranial artery in which the FD was deployed was successfully occluded with two aneurysm clips. ICA trapping can be a feasible and useful therapeutic option to treat direct CCF caused by FD-treated CCAs.
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Affiliation(s)
- Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Abe D, Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Horiuchi T. Bilateral transradial access using a 3-Fr guiding sheath for coil embolization of basilar artery aneurysms associated with challenging vertebral artery anatomy: An initial experience and future prospects. Interv Neuroradiol 2023:15910199231168167. [PMID: 37071583 DOI: 10.1177/15910199231168167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023] Open
Affiliation(s)
- Daishiro Abe
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Kitamura S, Hanaoka Y, Koyama JI, Yamazaki D, Horiuchi T. Real-time angiography in endovascular revascularization of intracranial atherosclerotic internal carotid artery stenosis under proximal balloon protection: "Retrograde suction-injection" technique and literature review. J Neuroradiol 2023; 50:217-222. [PMID: 35752296 DOI: 10.1016/j.neurad.2022.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/21/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022]
Abstract
Intracranial angioplasty/stenting is a treatment option for patients with symptomatic intracranial atherosclerotic disease refractory to aggressive medical treatment. However, it carries a risk of procedure-related embolism as well as reperfusion hemorrhage and in-stent thrombosis. We have devised a new embolic protection system which can achieve both total ipsilateral internal carotid artery (ICA) embolic protection and real-time visualization of the target lesion during endovascular revascularization of intracranial atherosclerotic disease below the carotid T junction. Herein, we describe a case of medically refractory symptomatic intracranial atherosclerotic ICA stenosis successfully treated with this method.
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Affiliation(s)
- Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Kuroiwa M, Hanaoka Y, Koyama JI, Yamazaki D, Kubota Y, Kitamura S, Ichinose S, Nakamura T, Kamijo T, Fujii Y, Ogiwara T, Murata T, Horiuchi T. Transradial Mechanical Thrombectomy Using a Radial-specific Neurointerventional Guiding Sheath for Anterior Circulation Large-Vessel Occlusions: Preliminary Experience and Literature Review. World Neurosurg 2023; 171:e581-e589. [PMID: 36529427 DOI: 10.1016/j.wneu.2022.12.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Transradial mechanical thrombectomy (MT) is increasingly used because it is associated with a low incidence of vascular access site complications. However, transradial carotid cannulation can be technically challenging to perform in patients with an unfavorable supra-aortic takeoff. In this study, the feasibility and safety of a new transradial MT system with a radial-specific neurointerventional guiding sheath-6F Simmons guiding sheath was evaluated-in patients with anterior circulation large-vessel occlusions. Additionally, a literature review was performed. METHODS We retrospectively analyzed data from our institutional database about consecutive patients who underwent transradial MT for anterior circulation large-vessel occlusion. After the 6F Simmons guiding sheath was engaged into the target common carotid artery, a triaxial system (Simmons guiding sheath/aspiration catheter/microcatheter), was established. MT using the continuous aspiration prior to intracranial vascular embolectomy technique was performed. Then, procedural success rate, successful revascularization, and procedure-related complications were assessed. RESULTS A total of 13 patients who had transradial MT were included in the analysis. All 13 patients underwent successful thrombectomy without catheter kinking or system instability, and 12 of them achieved successful revascularization (modified Thrombolysis in Cerebral Infarction score of ≥2b). No complications occurred. CONCLUSIONS To the best of our knowledge, this is the first case series on transradial MT using a radial-specific neurointerventional system for anterior circulation large-vessel occlusions. This method may increase the success rate of transradial MT. Based on our initial experience, transradial MT, using this system, was feasible and safe for anterior circulation large-vessel occlusions.
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Affiliation(s)
- Masafumi Kuroiwa
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Department of Neurosurgery, Shinonoi General Hospital, Nagano, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuki Kubota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shunsuke Ichinose
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Department of Neurosurgery, Shinonoi General Hospital, Nagano, Japan
| | - Takaaki Kamijo
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takahiro Murata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Department of Neurosurgery, Shinonoi General Hospital, Nagano, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Yamazaki D, Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Horiuchi T. Real-Time Monitoring of Aneurysm Catheterization During Stent-Assisted Coiling for Irregularly Shaped Intracranial Aneurysms: The Scope Technique. World Neurosurg 2023; 173:88-93. [PMID: 36842527 DOI: 10.1016/j.wneu.2023.02.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 02/26/2023]
Abstract
OBJECTIVE Stent-assisted coiling (SAC) using the jailing technique is a well-established treatment for wide-neck intracranial aneurysms. However, low-volume packing, which is a key factor for aneurysm recanalization, can occur in patients with irregularly shaped aneurysms. We have devised a real-time monitoring system for aneurysm catheterization that allows the intentional placement of the jailed coil-delivery microcatheter and deployed stent, referred to as the "scope" technique. Herein, we present a case of irregularly shaped anterior communicating artery (ACoA) aneurysm successfully treated with SAC using this technique. METHODS A 72-year-old woman diagnosed with an unruptured wide-neck ACoA aneurysm that was eccentric to the parent ACoA and overhanging posteriorly underwent SAC using this technique. Bilateral transradial quadraxial systems (6-Fr Simmons guiding sheath/6-Fr intermediate catheter/3.2-Fr intermediate catheter/microcatheter) were established via right and left internal carotid artery. The stent-delivery microcatheter was advanced into the left A2 via the right A1, leaving a 0.014″ microguidewire for visualization under fluoroscopic guidance. To place the coil-delivery microcatheter in the middle of the aneurysm after stent deployment, the coil-delivery microcatheter was cannulated into the aneurysm via the left A1, intendedly through the posterior side of the stent-delivery microcatheter in the down-the-barrel view of the parent ACoA (the scope technique). RESULTS After stent deployment, SAC of the aneurysm was successfully achieved. CONCLUSIONS Using this technique, the coil-delivery microcatheter was cannulated into the aneurysm, while monitoring its positional relationship with the stent-delivery microcatheter in real time. This technique is a useful treatment option for irregularly shaped and wide-neck aneurysms.
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Affiliation(s)
- Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan.
| | - Jun-Ichi Koyama
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Takuya Nakamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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Masukawa D, Kitamura S, Tajika R, Uchimura H, Arai M, Takada Y, Arisawa T, Otaki M, Kanai K, Kobayashi K, Miyazaki T, Goshima Y. Coupling between GPR143 and dopamine D2 receptor is required for selective potentiation of dopamine D2 receptor function by L-3,4-dihydroxyphenylalanine in the dorsal striatum. J Neurochem 2023; 165:177-195. [PMID: 36807226 DOI: 10.1111/jnc.15789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 01/18/2023] [Accepted: 02/09/2023] [Indexed: 02/22/2023]
Abstract
Dopamine (DA) is involved in neurological and physiological functions such as motor control. L-3,4-dihydroxyphenylalanine (L-DOPA), a precursor of DA, is conventionally believed to be an inert amino acid precursor of DA, and its major therapeutic effects in Parkinson's disease (PD) are mediated through its conversion to DA. On the contrary, accumulating evidence suggests that L-DOPA itself is a neurotransmitter. We here show that L-DOPA potentiates DA D2 receptor (DRD2) signaling through GPR143, the gene product of X-linked ocular albinism 1, a G-protein-coupled receptor for L-DOPA. In Gpr143-gene-deficient (Gpr143-/y ) mice, quinpirole, a DRD2/DRD3 agonist, -induced hypolocomotion was attenuated compared to wild-type (WT) mice. Administration of non-effective dose of L-DOPA methyl ester augmented the quinpirole-induced hypolocomotion in WT mice but not in Gpr143-/y mice. In cells co-expressing GPR143 and DRD2, L-DOPA enhanced the interaction between GPR143 and DRD2 and augmented quinpirole-induced decrease in cAMP levels. This augmentation by L-DOPA was not observed in cells co-expressing GPR143 and DRD1 or DRD3. Chimeric analysis in which the domain of GPR143 was replaced with GPR37 revealed that GPR143 interacted with DRD2 at the fifth transmembrane domain. Intracerebroventricular administration of a peptide that disrupted the interaction mitigated quinpirole-induced behavioral changes in WT mice but not in Gpr143-/y mice. These findings provide evidence that coupling between GPR143 and DRD2 is required for selective DRD2 modulation by L-DOPA in the dorsal striatum.
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Affiliation(s)
- Daiki Masukawa
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Satoshi Kitamura
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Rei Tajika
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hiraku Uchimura
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Masami Arai
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yuuki Takada
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Tetsu Arisawa
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Momoyo Otaki
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Kaori Kanai
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Kenta Kobayashi
- Section of Viral Vector Development, Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Japan
| | - Tomoyuki Miyazaki
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yoshio Goshima
- Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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Hanaoka Y, Koyama JI, Nakamura T, Kitamura S, Yamazaki D, Horiuchi T. Letter to the Editor. The need for further research on difficult ICA navigation in transradial neurointervention. J Neurosurg 2023:1-2. [PMID: 36808089 DOI: 10.3171/2023.1.jns239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Yoshiki Hanaoka
- 1Shinshu University School of Medicine, Matsumoto, Japan.,2Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | - Jun-Ichi Koyama
- 2Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | | | - Satoshi Kitamura
- 2Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
| | | | - Tetsuyoshi Horiuchi
- 1Shinshu University School of Medicine, Matsumoto, Japan.,2Neuroendovascular Therapy Center, Shinshu University Hospital, Matsumoto, Japan
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24
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Hase Y, Satoh K, Kitamura S. Comparative analysis of seed and seedling irradiation with gamma rays and carbon ions for mutation induction in Arabidopsis. Front Plant Sci 2023; 14:1149083. [PMID: 37089645 PMCID: PMC10117944 DOI: 10.3389/fpls.2023.1149083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/23/2023] [Indexed: 05/03/2023]
Abstract
The molecular nature of mutations induced by ionizing radiation and chemical mutagens in plants is becoming clearer owing to the availability of high-throughput DNA sequencing technology. However, few studies have compared the induced mutations between different radiation qualities and between different irradiated materials with the same analysis method. To compare mutation induction between dry-seeds and seedlings irradiated with carbon ions and gamma rays in Arabidopsis, in this study we detected the mutations induced by seedling irradiation with gamma rays and analyzed the data together with data previously obtained for the other irradiation treatments. Mutation frequency at the equivalent dose for survival reduction was higher with gamma rays than with carbon ions, and was higher with dry-seed irradiation than with seedling irradiation. Carbon ions induced a higher frequency of deletions (2-99 bp) than gamma rays in the case of dry-seed irradiation, but this difference was less evident in the case of seedling irradiation. This result supported the inference that dry-seed irradiation under a lower water content more clearly reflects the difference in radiation quality. However, the ratio of rearrangements (inversions, translocations, and deletions larger than 100 bp), which are considered to be derived from the rejoining of two distantly located DNA breaks, was significantly higher with carbon ions than gamma rays irrespective of the irradiated material. This finding suggested that high-linear energy transfer radiation induced closely located DNA damage, irrespective of the water content of the material, that could lead to the generation of rearrangements. Taken together, the results provide an overall picture of radiation-induced mutation in Arabidopsis and will be useful for selection of a suitable radiation treatment for mutagenesis.
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25
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Kubota Y, Ogiwara T, Kitamura S, Nishikawa A, Fujii Y, Hanaoka Y, Yokota A, Higashiyama F, Oya F, Goto T, Hongo K, Horiuchi T. Novel method of rugby headgear for managing postoperative cerebrospinal fluid leakage following craniotomy. Neurochirurgie 2022; 68:550-552. [PMID: 35697526 DOI: 10.1016/j.neuchi.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023]
Affiliation(s)
- Y Kubota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan.
| | - S Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - A Nishikawa
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Y Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Y Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - A Yokota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan; Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - F Higashiyama
- Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - F Oya
- Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - T Goto
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - K Hongo
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
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Kitamura S, Ito K, Horiuchi T. Dural sac restenosis due to regeneration of the resected C1 lamina in a patient with Chiari malformation: a case report and literature review. Childs Nerv Syst 2022; 38:1621-1624. [PMID: 34993607 DOI: 10.1007/s00381-021-05442-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 12/27/2021] [Indexed: 11/03/2022]
Abstract
Although foramen magnum decompression (FMD) is effective for the treatment of Chiari malformation type I (CM1), reoperations may be required in cases of insufficient decompression. We encountered a patient who experienced restenosis due to regeneration of resected C1 laminae and required reoperation after FMD.We present the case of a 14-year-old boy with symptomatic CM1 and syringomyelia who underwent FMD with outer dura layer incision and C1 laminectomy. He experienced gait disturbance, hyperesthesia, and hyperhidrosis, which did not improve after the surgery. He experienced recurrence of the stenosis at the age of 16 years, for which he underwent resection of the regenerated C1 arch and duraplasty. His symptoms gradually resolved after the second surgery.The recurrence might have been caused by regeneration of the C1 laminae. Bone regeneration rarely necessitates reoperation. Frequent follow-up is important after decompression surgery for Chiari malformation in young patients.
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Affiliation(s)
- Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Kiyoshi Ito
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
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27
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Ogiwara T, Nitta J, Fujii Y, Watanabe G, Kuwabara H, Agata M, Kobayashi H, Miyaoka Y, Kitamura S, Hanaoka Y, Goto T, Iwaya M, Hongo K, Horiuchi T. A preliminary study of the diagnostic efficacy and safety of the novel boring biopsy for brain lesions. Sci Rep 2022; 12:4387. [PMID: 35288608 PMCID: PMC8921193 DOI: 10.1038/s41598-022-08366-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 03/07/2022] [Indexed: 11/16/2022] Open
Abstract
Existing methods for biopsy of intraparenchymal brain lesions, including stereotactic biopsy and open block biopsy, have advantages and disadvantages. We propose a novel biopsy method, called “boring biopsy,” which aims to overcome the drawbacks of each conventional method. This method is less invasive and allows obtaining continuous specimens of sufficient volume. We aimed to assess the feasibility and efficacy of using boring biopsy for intraparenchymal brain lesions. We included 26 consecutive patients who underwent boring biopsy for intraparenchymal lesions. Columnar continuous specimens from the surface of the normal brain tissue to the tumor margin and the center of the lesion were obtained using the boring biopsy method. We used a catheter introducer with original modifications to create a cylindrical biopsy tool for surgery. Columnar continuous specimens were successfully obtained. Histopathological diagnosis was based on cellular changes and differentiation from normal tissues to the core of the lesion and established in all cases. No permanent deficits, major adverse outcomes, or deaths were observed. This novel technique may improve diagnostic accuracy and reduce invasiveness associated with brain biopsy. This method may become the next standard procedure, particularly in some cases where histological evaluation is paramount, and conventional biopsy methods are not suitable.
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Affiliation(s)
- Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
| | - Junpei Nitta
- Department of Neurosurgery, Kobayashi Neurosurgical Hospital, 1-5-21 Miwa, Nagano, 380-0803, Japan
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Gen Watanabe
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Haruki Kuwabara
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Masahiro Agata
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Hideki Kobayashi
- Department of Neurosurgery, Kobayashi Neurosurgical Hospital, 1-5-21 Miwa, Nagano, 380-0803, Japan
| | - Yoshinari Miyaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Tetsuya Goto
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.,Department of Neurosurgery, St. Marianna University School of Medicine, 2-16-1 Miyamaeku, Kawasaki, 216-8511, Japan
| | - Mai Iwaya
- Department of Laboratory Medicine, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Kazuhiro Hongo
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
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Kitamura S, Satoh K, Oono Y. Detection and characterization of genome-wide mutations in M1 vegetative cells of gamma-irradiated Arabidopsis. PLoS Genet 2022; 18:e1009979. [PMID: 35051177 PMCID: PMC8775353 DOI: 10.1371/journal.pgen.1009979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/04/2021] [Indexed: 11/20/2022] Open
Abstract
Radiation-induced mutations have been detected by whole-genome sequencing analyses of self-pollinated generations of mutagenized plants. However, large DNA alterations and mutations in non-germline cells were likely missed. In this study, in order to detect various types of mutations in mutagenized M1 plants, anthocyanin pigmentation was used as a visible marker of mutations. Arabidopsis seeds heterozygous for the anthocyanin biosynthetic genes were irradiated with gamma-rays. Anthocyanin-less vegetative sectors resulting from a loss of heterozygosity were isolated from the gamma-irradiated M1 plants. The whole-genome sequencing analysis of the sectors detected various mutations, including structural variations (SVs) and large deletions (≥100 bp), both of which have been less characterized in the previous researches using gamma-irradiated plant genomes of M2 or later generations. Various types of rejoined sites were found in SVs, including no-insertion/deletion (indel) sites, only-deletion sites, only-insertion sites, and indel sites, but the rejoined sites with 0–5 bp indels represented most of the SVs. Examinations of the junctions of rearrangements (SVs and large deletions), medium deletions (10–99 bp), and small deletions (2–9 bp) revealed unique features (i.e., frequency of insertions and microhomology) at the rejoined sites. These results suggest that they were formed preferentially via different processes. Additionally, mutations that occurred in putative single M1 cells were identified according to the distribution of their allele frequency. The estimated mutation frequencies and spectra of the M1 cells were similar to those of previously analyzed M2 cells, with the exception of the greater proportion of rearrangements in the M1 cells. These findings suggest there are no major differences in the small mutations (<100 bp) between vegetative and germline cells. Thus, this study generated valuable information that may help clarify the nature of gamma-irradiation-induced mutations and their occurrence in cells that develop into vegetative or reproductive tissues. Mutations that occur in plant genome are not only related to plant evolution and speciation in nature, and also useful to identify novel gene functions and to develop new cultivars. Ionizing radiations induce various types of mutations throughout genomes in individual cells of an irradiated/mutagenized plant. However, current knowledge on radiation-induced genome-wide mutations in plants relied on the analyses of self-pollinated generations (M2 or later generations) of the mutagenized plants (M1 generation). Thus, mutations that are hardly transmitted to the next generation and those occurred in non-germline cells could not be investigated. Here, using anthocyanin pigmentation as a visible marker to reduce the genomic complexity in M1 plants, we achieved reliable detection of radiation-induced genome-wide mutations. We demonstrated that rearrangements, which were hardly detected in previous analyses using M2 genomes, occurred substantially often in gamma-irradiated M1 cells. We also revealed that mutation profile of the M1 cells was comparable with that of M2 genomes reported in previous analyses, except for the higher proportion of rearrangements in the M1 genome. Together with unique features at rejoined sites of rearrangements, medium deletions, and small deletions in the M1 genome, our findings are helpful to know the nature of genome-wide mutations induced by gamma-irradiation.
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Affiliation(s)
- Satoshi Kitamura
- Project “Ion Beam Mutagenesis”, Department of Radiation-Applied Biology Research, Takasaki Advanced Radiation Research Institute, National Institutes for Quantum Science and Technology, Takasaki, Japan
- * E-mail:
| | - Katsuya Satoh
- Project “Ion Beam Mutagenesis”, Department of Radiation-Applied Biology Research, Takasaki Advanced Radiation Research Institute, National Institutes for Quantum Science and Technology, Takasaki, Japan
| | - Yutaka Oono
- Project “Ion Beam Mutagenesis”, Department of Radiation-Applied Biology Research, Takasaki Advanced Radiation Research Institute, National Institutes for Quantum Science and Technology, Takasaki, Japan
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Ogiwara T, Fujii Y, Hanaoka Y, Kitamura S, Kuwabara H, Funato K, Inomata Y, Yamazaki D, Yamazaki K, Murase H, Yokota A, Hardian RF, Goto T, Hongo K, Horiuchi T. Intraoperative Image-Guided Surgery for Gliomas in the Smart Cyber Operating Theater (SCOT®): A Preliminary Clinical Application. World Neurosurg 2022; 160:e314-e321. [PMID: 35026453 DOI: 10.1016/j.wneu.2022.01.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 01/01/2023]
Abstract
BACKGROUND Various devices exist for glioma image-guided surgery to improve tumor resection. These devices work as standalone units, making the flow of operative information complicated and disjointed. A novel networked operating room, the "Smart Cyber Operating Theater (SCOT®)," has been developed, integrating standalone medical devices using the "OPeLiNK®" communication interface. Herein, we report and evaluate the impact of the SCOT® for glioma surgery and our initial experiences. METHODS Patients with gliomas who underwent tumor resection in the SCOT® between July 2018 and June 2021 were retrospectively reviewed. Various types of intraoperative information were integrated, managed, and shared with the surgical strategy desk using the OPeLiNK®. Patients' demographics, tumor characteristics, treatment details, and outcomes were obtained. The impact of the SCOT® system was evaluated. RESULTS Twenty-seven patients with a mean age of 48.6 years (range 13 - 88 years) met the inclusion criteria. We successfully completed all the surgical procedures using the SCOT®. The mean operation time was 420.6 minutes (225 - 667 min). Gross total resection was accomplished in 13 patients (48.1%), subtotal resection in 4 (14.8%), and partial resection in 10 (37.0%). The main surgeon in the operating room and other neurosurgeons at the strategy desk shared and discussed the information in real time during the procedures. CONCLUSIONS The use of the SCOT® was demonstrated to be safe and feasible in glioma surgery. This study suggests that the SCOT® may improve surgical outcomes and educational impact by sharing information in real-time with the strategy desk.
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Affiliation(s)
- Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan.
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Haruki Kuwabara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kohei Funato
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuki Inomata
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Daisuke Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Ken Yamazaki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hiromu Murase
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Akifumi Yokota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | | | - Tetsuya Goto
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan; Department of Neurosurgery, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Kazuhiro Hongo
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Suzuki Y, Ogiwara T, Kitamura S, Fujii Y, Hanaoka Y, Natsume T, Horiuchi T. Endoscopic diving technique for surgery of brain abscess. Br J Neurosurg 2021:1-4. [PMID: 34615423 DOI: 10.1080/02688697.2021.1988053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 08/07/2021] [Accepted: 09/28/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Recent advances in neuroendoscopic surgery have led to the minimally invasive treatment of brain abscesses using various endoscopy techniques. The endoscopic diving technique (EDT) involving the formation of fluid lenses to improve the visibility of the endoscope has been reported to be useful in the endoscopic endonasal approach (EEA) for pituitary and midline cranial base lesions. Here, we report a case of brain abscess treated endoscopically using EDT in cylinder surgery. CLINICAL PRESENTATION A 29-year-old man with 11q trisomy syndrome developed a fever and progressive right hemiparesis was observed. A diagnosis of a brain abscess was made based on neuroradiological imaging, and endoscopic irrigation and drainage with EDT via a transparent endoscopic sheath were performed, which provided a clear operative field and allowed satisfactory irrigation without bacterial contamination. The bacterium identified by PCR was Streptococcus intermedius, and antibiotic therapy was administered. Postoperatively, his symptoms gradually improved. CONCLUSION This is the first technical case report describing the clinical experience of EDT in brain abscess surgery. EDT may be a useful technique not only in EEA but also in cylinder surgery for brain abscesses.
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Affiliation(s)
- Yota Suzuki
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Toshihiro Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yu Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshiki Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takenori Natsume
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuyoshi Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Maeda T, Kitamura S, Yanagi T. RANK-RANKL signalling pathway contributes to disease progression in cutaneous angiosarcoma: a case report with an immunohistochemical review and in vitro experiments. J Eur Acad Dermatol Venereol 2020; 34:e834-e837. [PMID: 32511804 DOI: 10.1111/jdv.16714] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- T Maeda
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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32
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Kitamura S, Yanagi T, Maeda T, Shimizu H. Drp1 expression levels correlate with clinical stage in extramammary Paget’s disease. J Eur Acad Dermatol Venereol 2020; 34:e510-e513. [DOI: 10.1111/jdv.16422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/25/2020] [Indexed: 01/27/2023]
Affiliation(s)
- S. Kitamura
- Department of Dermatology Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
| | - T. Yanagi
- Department of Dermatology Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
| | - T. Maeda
- Department of Dermatology Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
| | - H. Shimizu
- Department of Dermatology Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
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33
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Sanoh S, Naritomi Y, Kitamura S, Shinagawa A, Kakuni M, Tateno C, Ohta S. Predictability of human pharmacokinetics of drugs that undergo hepatic organic anion transporting polypeptide (OATP)-mediated transport using single-species allometric scaling in chimeric mice with humanized liver: integration with hepatic drug metabolism. Xenobiotica 2020; 50:1370-1379. [PMID: 32401667 DOI: 10.1080/00498254.2020.1769229] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
We previously reported a prediction method for human pharmacokinetics (PK) using single species allometric scaling (SSS) and the complex Dedrick plot in chimeric mice with humanized liver to predict the total clearance (CLt), distribution volumes in steady state (Vdss) and plasma concentration-time profiles of several drugs metabolized by cytochrome P450 (P450) and non-P450 enzymes. In the present study, we examined eight compounds (bosentan, cerivastatin, fluvastatin, pitavastatin, pravastatin, repaglinide, rosuvastatin, valsartan) as typical organic anion transporting polypeptide (OATP) substrates and six compounds metabolized by P450 and non-P450 enzymes to evaluate the predictability of CLt, Vdss and plasma concentration-time profiles after intravenous administration to chimeric mice. The predicted CLt and Vdss of drugs that undergo OATP-mediated uptake and P450/non-P450-mediated metabolism reflected the observed data from humans within a threefold error range. We also examined the possibility of predicting plasma concentration-time profiles of drugs that undergo OATP-mediated uptake using the complex Dedrick plot in chimeric mice. Most profiles could be superimposed with observed profiles from humans within a two- to threefold error range. PK prediction using SSS and the complex Dedrick plot in chimeric mice can be useful for evaluating drugs that undergo both OATP-mediated uptake and P450/non-P450-mediated metabolism.
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Affiliation(s)
- Seigo Sanoh
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.,School of Pharmaceutical Sciences, Hiroshima University, Hiroshima, Japan
| | - Yoichi Naritomi
- Analysis and Pharmacokinetics Research Laboratories, Astellas Pharma Inc, Tsukuba, Japan
| | - Satoshi Kitamura
- Analysis and Pharmacokinetics Research Laboratories, Astellas Pharma Inc, Tsukuba, Japan
| | - Akihiko Shinagawa
- School of Pharmaceutical Sciences, Hiroshima University, Hiroshima, Japan
| | | | - Chise Tateno
- R&D Dept, PhoenixBio, Co., Ltd, Higashi-Hiroshima, Japan.,Research Center for Hepatology and Gastroenterology, Hiroshima University, Higashi-Hiroshima, Japan
| | - Shigeru Ohta
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.,School of Pharmaceutical Sciences, Hiroshima University, Hiroshima, Japan.,Wakayama Medical University, Wakayama, Japan
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34
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ITANO A, Kitamura S, Tato W, Yamada A, Tasaki H, Katsuhiko M. SUN-280 Predictive factors for dialysis induction and life prognosis in patients who have introduced CRRT in our hospital. Kidney Int Rep 2020. [DOI: 10.1016/j.ekir.2020.02.816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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35
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Sunko V, Mazzola F, Kitamura S, Khim S, Kushwaha P, Clark OJ, Watson MD, Marković I, Biswas D, Pourovskii L, Kim TK, Lee TL, Thakur PK, Rosner H, Georges A, Moessner R, Oka T, Mackenzie AP, King PDC. Probing spin correlations using angle-resolved photoemission in a coupled metallic/Mott insulator system. Sci Adv 2020; 6:eaaz0611. [PMID: 32128385 PMCID: PMC7032925 DOI: 10.1126/sciadv.aaz0611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
A nearly free electron metal and a Mott insulating state can be thought of as opposite ends of the spectrum of possibilities for the motion of electrons in a solid. Understanding their interaction lies at the heart of the correlated electron problem. In the magnetic oxide metal PdCrO2, nearly free and Mott-localized electrons exist in alternating layers, forming natural heterostructures. Using angle-resolved photoemission spectroscopy, quantitatively supported by a strong coupling analysis, we show that the coupling between these layers leads to an "intertwined" excitation that is a convolution of the charge spectrum of the metallic layer and the spin susceptibility of the Mott layer. Our findings establish PdCrO2 as a model system in which to probe Kondo lattice physics and also open new routes to use the a priori nonmagnetic probe of photoemission to gain insights into the spin susceptibility of correlated electron materials.
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Affiliation(s)
- V. Sunko
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - F. Mazzola
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
| | - S. Kitamura
- Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany
| | - S. Khim
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - P. Kushwaha
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - O. J. Clark
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
| | - M. D. Watson
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
| | - I. Marković
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - D. Biswas
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
| | - L. Pourovskii
- CPHT, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, F-91128 Palaiseau, France
- Institut de Physique, Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France
| | - T. K. Kim
- Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, UK
| | - T.-L. Lee
- Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, UK
| | - P. K. Thakur
- Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, UK
| | - H. Rosner
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - A. Georges
- CPHT, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, F-91128 Palaiseau, France
- Institut de Physique, Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France
- Center for Computational Quantum Physics, Flatiron Institute, New York, NY 10010, USA
- DQMP, Université de Genève, 24 quai Ernest Ansermet, CH-1211 Genève, Switzerland
| | - R. Moessner
- Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany
| | - T. Oka
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
- Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany
| | - A. P. Mackenzie
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - P. D. C. King
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
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Sato Y, Nakagawa T, Tanahashi T, Kitamura S, Miyamoto H, Okamoto K, Muguruma N, Takayama T. JMJD2A is a novel epigenetic factor of chemotherapeutic susceptibility in gastric cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz239.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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Mizukami T, Yanagi T, Kitamura S, Narahira A, Maeda T, Hata H, Takakuwa E, Doi K, Sugita S, Hasegawa T, Ikenaga H, Shimizu H. A recurrent subcutaneous tumour of the thumb: a case of a capicua transcriptional repressor (CIC)-rearranged sarcoma. J Eur Acad Dermatol Venereol 2019; 34:e59-e61. [PMID: 31452282 DOI: 10.1111/jdv.15910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- T Mizukami
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - A Narahira
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - T Maeda
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - H Hata
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - E Takakuwa
- Department of Surgical Pathology, Hokkaido University Hospital, Sapporo, Japan
| | - K Doi
- Department of Surgical Pathology, Hokkaido University Hospital, Sapporo, Japan
| | - S Sugita
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - T Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | | | - H Shimizu
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Otaka Y, Yoshida T, Kumagai M, Kitamura S, Tomita Y, Yaeda J. Patient and professional views of motivation for rehabilitation of subacute stroke. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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39
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Kakuta T, Fujita T, Fukushima S, Kawamoto N, Matsumoto Y, Yamashita K, Kume Y, Shimahara Y, Fukushima N, Kitamura S, Kobayashi J. Benefit of Modified Bicaval Anastomosis Technique for Orthotopic Heart Transplantation From Size-mismatch Marginal Donor. J Heart Lung Transplant 2018. [DOI: 10.1016/j.healun.2018.01.1114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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40
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Kitamura S, Yanagi T, Inamura-Takashima Y, Imafuku K, Hata H, Uehara J, Ishida Y, Otsuka A, Hirata K, Shimizu H. Retrospective study on the correlation between 18-fluorodeoxyglucose uptake in positron emission tomography-computer tomography and tumour volume, cytological activity as assessed with Ki-67 and GLUT-1 staining in 10 cases of Merkel cell carcinoma. J Eur Acad Dermatol Venereol 2018; 32:e285-e287. [PMID: 29377285 DOI: 10.1111/jdv.14821] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - Y Inamura-Takashima
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - J Uehara
- Department of Dermatology, Asahikawa University Graduate School of Medicine, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Y Ishida
- Department of Dermatology, Kyoto University Graduate School of Medicine, Shogoin-Kawara, Sakyo, Kyoto, 606-8507, Japan
| | - A Otsuka
- Department of Dermatology, Kyoto University Graduate School of Medicine, Shogoin-Kawara, Sakyo, Kyoto, 606-8507, Japan
| | - K Hirata
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
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41
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Hase Y, Satoh K, Kitamura S, Oono Y. Physiological status of plant tissue affects the frequency and types of mutations induced by carbon-ion irradiation in Arabidopsis. Sci Rep 2018; 8:1394. [PMID: 29362368 PMCID: PMC5780457 DOI: 10.1038/s41598-018-19278-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/27/2017] [Indexed: 11/09/2022] Open
Abstract
Ionizing radiation including heavy-ion beams has been widely used in mutation breeding. Dry seeds, seedlings, and cultured tissues are often used for mutagenesis; however, little is known about the differences in induced mutations among them. Here, we examined the characteristics of mutations using randomly chosen Arabidopsis M2 plants derived from dry seeds and seedlings irradiated with carbon ions. The mutation frequency was 1.4-1.9 times higher in dry-seed irradiation than in seedling irradiation. This difference was mainly due to the three-times higher frequency of insertions and deletions (InDels) in dry-seed irradiation than in seedling irradiation. This difference increased the proportion of mutations predicted to affect gene function among all mutations identified by whole genome re-sequencing. Our results demonstrate that the physiological status of plant tissue greatly affects the characteristics of mutations induced by ionizing radiation, and that dry seeds are more suitable materials than seedlings for inducing loss-of-function mutations. The results also showed that single base deletions often occurred in homopolymeric sequences, while InDels larger than 2-3 bp often occurred in or near polynucleotide-repeat or microhomologous sequences. Interestingly, microhomology was less commonly found around large deletions (≥50 bp), suggesting that the rejoining process differs depending on the deletion size.
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Affiliation(s)
- Yoshihiro Hase
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan.
| | - Katsuya Satoh
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
| | - Satoshi Kitamura
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
| | - Yutaka Oono
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology (QST), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
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42
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Teramoto K, Namura Y, Hayashi K, Ishida K, Ueda K, Okamoto K, Kaku R, Hori T, Kawaguchi Y, Igarashi T, Hashimoto M, Ohshio Y, Kitamura S, Motoishi M, Suzumura Y, Sawai S, Hanaoka J, Daigo Y. P1.03-037 A Phase II Study of Adjuvant Chemotherapy with Docetaxel plus Nedaplatin for Completely Resected Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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43
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Shinotoh H, Shimada H, Kokubo Y, Kitamura S, Niwa F, Tagai K, Hirano S, Morimoto S, Yamashita T, Kuzuhara S, Sahara N, Zhang M, Suhara T, Higuchi M. Tau imaging in patients with amyotrophic lateral sclerosis/parkinsonism dementia complex in the Kii Peninsula. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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44
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Shimada H, Kitamura S, Takuwa S, Yokozeni S, Tagai K, Moriguchi S, Kubota M, Takahata K, Takado Y, Hirano S, Shinotoh H, Suzuki K, Zhang M, Kuwabara S, Suhara T, Higuchi M. Cortical tau deposition is associated with behavioral and psychological symptoms of dementia causing caregiver burden: Path analysis and pet study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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45
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Imafuku K, Hata H, Kitamura S, Yanagi T, Shimizu H. Ultrasonographic findings can identify 'pseudoprogression' under nivolumab therapy. Br J Dermatol 2017; 177:1726-1731. [PMID: 27873302 DOI: 10.1111/bjd.15198] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2016] [Indexed: 12/18/2022]
Abstract
'Pseudoprogression' is often seen in patients with melanomas who are treated with immune checkpoint inhibitors such as nivolumab or ipilimumab. We sometimes evaluate metastatic lesions by imaging tests such as computed tomography (CT) or positron emission tomography-CT. 'Pseudoprogression' usually occurs upon the initial administration, which may make it difficult for the physician to determine the disease condition. In our two cases of metastatic melanoma treated with nivolumab (antiprogrammed cell death-1 antibody), we examined the ultrasonography (US) of target lesions that could be accessed from the body surface, such as those of the regional lymph node or subcutaneous metastasis. In both cases, the US revealed a lesion approximately 10% greater in size after 40-50 days of nivolumab administration, even though the blood flow inside the tumour was reduced by about 20% within 50 days. From about 100 days after blood flow reduction was detected by US, the tumours began to decrease in size. However, contrast CT was unable to detect the association between tumour size and tumour blood flow. The present cases suggest that US could be a powerful tool for differentiating between 'pseudoprogression' and real progressive disease in patients treated with cancer immunotherapies such as those involving immune checkpoint inhibitors. The misdiagnosis of progressive disease can lead to unnecessary alterations to the current treatment. Therefore, the US findings in our study could be clinically useful and educational for physicians.
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Affiliation(s)
- K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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46
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Yanagi T, Hata H, Homma E, Kitamura S, Imafuku K, Shimizu H. Adjuvant therapy with low-dose interferon-beta for stage II and III melanoma: results of a retrospective analysis. Clin Exp Dermatol 2017. [PMID: 28649738 DOI: 10.1111/ced.13179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Interferon (IFN)-alfa as an adjuvant therapy has been found to improve relapse-free survival in patients with malignant melanoma (MM). However, the efficacy of IFN-beta has not been studied in detail. This study evaluated the contribution of adjuvant IFN-beta therapy to improvements in the prognosis of patients with MM. We reviewed 63 patients with resected stage II/III primary MM at our institution. Of these, 36 had been treated with IFN-beta adjuvant therapy (subcutaneous injection, 3 × 106 IU/day, 10 days), while 27 patients had undergone observation alone. In comparisons of all patients (stage II/III), overall survival and relapse-free survival were significantly better in the IFN-beta group than in the observation group (P < 0.001 for both). The 75-month overall survival rate was 41.2% in the observation group and 68.7% in the IFN-beta group. Adjuvant therapy with IFN-beta may become a new treatment option for patients with stage II/III MM.
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Affiliation(s)
- T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - E Homma
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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47
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Sanada T, Hata H, Sato K, Imafuku K, Kitamura S, Yanagi T, Nomura T, Shimizu H. Usefulness of dermoscopy in distinguishing benign lesions from angiosarcoma. Clin Exp Dermatol 2017; 42:676-678. [PMID: 28543107 DOI: 10.1111/ced.13141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2016] [Indexed: 11/30/2022]
Affiliation(s)
- T Sanada
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - K Sato
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - T Nomura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, North 15 West 7, Sapporo, 060-8638, Japan
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48
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Imafuku K, Hata H, Yanagi T, Kitamura S, Inamura-Takashima Y, Nishimura M, Kitamura S, Moriwaki S, Shimizu H. Multiple skin cancers in patients with mycosis fungoides after long-term ultraviolet phototherapy. Clin Exp Dermatol 2017; 42:523-526. [PMID: 28543586 DOI: 10.1111/ced.13121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2016] [Indexed: 11/28/2022]
Abstract
Phototherapy is a useful noninvasive therapy, but it can induce cutaneous malignant tumours, including squamous cell carcinoma (SCC) and basal cell carcinoma (BCC). We report on a 79-year-old man who had long-standing mycosis fungoides for 40 years, which had been treated with psoralen ultraviolet A therapy for 37 years at a dose of approximately 5000 J/cm2 . Approximately 6 years before presentation, numerous types of cutaneous malignancies, including actinic keratosis, BCC and SCC, had begun to develop all over the patient's body. We hypothesized that he was experiencing a pathogenesis similar to patients with xeroderma pigmentosum (XP), and we therefore assessed his DNA repair capacity. Based on these investigations, the patient was eventually diagnosed as non-XP, even though we detected that his DNA repair capacity was slightly lower than that of normal controls, which may have led to the skin cancers. We speculate that multiple skin malignancies can be induced by long-term phototherapy in patients with slightly impaired DNA repair capacity.
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Affiliation(s)
- K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Y Inamura-Takashima
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - M Nishimura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Osaka Medical College, Takatsuki, Japan
| | - S Moriwaki
- Department of Dermatology, Osaka Medical College, Takatsuki, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Takahashi K, Yanagi T, Imafuku K, Kitamura S, Inamura-Takashima Y, Yamaguchi Y, Hata H, Shimizu H. Ultrasonographic features of intravascular fasciitis: case report and review of the literature. J Eur Acad Dermatol Venereol 2017; 31:e457-e459. [PMID: 28426899 DOI: 10.1111/jdv.14293] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- K Takahashi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Yanagi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - K Imafuku
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Kitamura
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Y Inamura-Takashima
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Y Yamaguchi
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Hata
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Hida A, Ohsawa Y, Kitamura S, Nakazaki K, Ayabe N, Motomura Y, Matsui K, Kobayashi M, Usui A, Inoue Y, Kusanagi H, Kamei Y, Mishima K. Evaluation of circadian phenotypes utilizing fibroblasts from patients with circadian rhythm sleep disorders. Transl Psychiatry 2017; 7:e1106. [PMID: 28440811 PMCID: PMC5416712 DOI: 10.1038/tp.2017.75] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Revised: 02/12/2017] [Accepted: 03/08/2017] [Indexed: 12/11/2022] Open
Abstract
We evaluated the circadian phenotypes of patients with delayed sleep-wake phase disorder (DSWPD) and non-24-hour sleep-wake rhythm disorder (N24SWD), two different circadian rhythm sleep disorders (CRSDs) by measuring clock gene expression rhythms in fibroblast cells derived from individual patients. Bmal1-luciferase (Bmal1-luc) expression rhythms were measured in the primary fibroblast cells derived from skin biopsy samples of patients with DSWPD and N24SWD, as well as control subjects. The period length of the Bmal1-luc rhythm (in vitro period) was distributed normally and was 22.80±0.47 (mean±s.d.) h in control-derived fibroblasts. The in vitro periods in DSWPD-derived fibroblasts and N24SWD-derived fibroblasts were 22.67±0.67 h and 23.18±0.70 h, respectively. The N24SWD group showed a significantly longer in vitro period than did the control or DSWPD group. Furthermore, in vitro period was associated with response to chronotherapy in the N24SWD group. Longer in vitro periods were observed in the non-responders (mean±s.d.: 23.59±0.89 h) compared with the responders (mean±s.d.: 22.97±0.47 h) in the N24SWD group. Our results indicate that prolonged circadian periods contribute to the onset and poor treatment outcome of N24SWD. In vitro rhythm assays could be useful for predicting circadian phenotypes and clinical prognosis in patients with CRSDs.
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Affiliation(s)
- A Hida
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Y Ohsawa
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - S Kitamura
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - K Nakazaki
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - N Ayabe
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Y Motomura
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - K Matsui
- Yoyogi Sleep Disorder Center, Tokyo, Japan
| | - M Kobayashi
- Yoyogi Sleep Disorder Center, Tokyo, Japan
- Department of Somnology, Tokyo Medical University, Tokyo, Japan
| | - A Usui
- Yoyogi Sleep Disorder Center, Tokyo, Japan
| | - Y Inoue
- Yoyogi Sleep Disorder Center, Tokyo, Japan
- Department of Somnology, Tokyo Medical University, Tokyo, Japan
| | - H Kusanagi
- Department of Neuropsychiatry, Bioregulatory Medicine, Akita University, Graduate School of Medicine, Akita, Japan
| | - Y Kamei
- Department of Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - K Mishima
- Department of Psychophysiology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
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