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  1. Article: [Recent advances in diagnosis and treatment of idiopathic multicentric Castleman disease].

    Okamoto, Shinichiro

    Rinsho ketsueki] The Japanese journal of clinical hematology

    2019  Volume 60, Issue 9, Page(s) 1205–1211

    Abstract: Multicentric Castleman disease (MCD) is a rare polyclonal lymphoproliferative disease that causes systemic inflammation. In Western countries, human herpesvirus 8 (HHV-8) is frequently associated with MCD pathogenesis, especially in human ... ...

    Abstract Multicentric Castleman disease (MCD) is a rare polyclonal lymphoproliferative disease that causes systemic inflammation. In Western countries, human herpesvirus 8 (HHV-8) is frequently associated with MCD pathogenesis, especially in human immunodeficiency virus (HIV)-positive cases, whereas HHV-8 is seldom related to MCD cases in Japan and is referred to as idiopathic MCD (iMCD). iMCD can present as a variety of systemic symptoms and characteristic laboratory abnormalities due to IL-6 overproduction, occasionally causing organ failure. Although there have been no recent studies other than pathologic studies of iMCD, its association with TAFRO (thrombocytopenia, anasarca, reticulin fibrosis of the bone marrow, renal dysfunction, and organomegaly) syndrome has recently attracted attention in Japan as well as internationally. In 2015, a research team for iMCD published a medical reference guide and organized regional core hospitals in Japan for the diagnosis and treatment of iMCD. As a result, iMCD was designated the 331st intractable disease by the Japanese Ministry of Health, Labor and Welfare. iMCD can be expected to have a good prognosis if properly diagnosed and treated. We are optimistic that iMCD research will aid the development of medical treatment for this disease.
    MeSH term(s) Castleman Disease/diagnosis ; Castleman Disease/therapy ; Herpesvirus 8, Human ; Humans ; Japan
    Language Japanese
    Publishing date 2019-10-09
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 390900-1
    ISSN 0485-1439
    ISSN 0485-1439
    DOI 10.11406/rinketsu.60.1205
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: [113th Scientific Meeting of the Japanese Society of Internal Medicine: Educational Lecture: Treatment of Hematological Malignancies in Rapidly Aging Society].

    Okamoto, Shinichiro

    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine

    2018  Volume 105, Issue 9, Page(s) 1877–1884

    MeSH term(s) Aging ; Hematologic Neoplasms/diagnosis ; Hematologic Neoplasms/therapy ; Home Care Services ; Humans ; Internal Medicine ; Japan ; Prognosis ; Societies, Medical
    Language Japanese
    Publishing date 2018-08-28
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Current indication for hematopoietic cell transplantation in adults.

    Okamoto, Shinichiro

    Hematology/oncology and stem cell therapy

    2017  Volume 10, Issue 4, Page(s) 178–183

    Abstract: With advances in transplantation technology and supportive care practices, hematopoietic cell transplantation (HCT) has become relatively safer and the applicability of HCT continues to expand. However, appropriate selection of transplant candidates ... ...

    Abstract With advances in transplantation technology and supportive care practices, hematopoietic cell transplantation (HCT) has become relatively safer and the applicability of HCT continues to expand. However, appropriate selection of transplant candidates remains challenging. Identifying adult patients who may benefit from HCT involves consideration of patient and disease factors, including overall health, prior therapies, age, comorbidity, and disease/disease risk. The eligibility of transplants should be decided on a case by case basis, based upon a risk-benefit assessment. The advent of the tools for assessing patient factors such as HCT-specific comorbidity index and disease factors such as disease risk index serve as assets for the decision-making process. Besides those approaches, psychosocial assessment to know the candidates' personalities and related issues are crucial in order to maximize patients' participation in their own care and to lay the foundation for a successful return to their personal and professional life after HCT.
    MeSH term(s) Adult ; Hematopoietic Stem Cell Transplantation ; Humans ; Risk Assessment
    Language English
    Publishing date 2017-12
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2651893-4
    ISSN 1658-3876
    ISSN 1658-3876
    DOI 10.1016/j.hemonc.2017.05.007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Dasatinib-Triggered Severe Hypocalcemia in a Patient with Chronic Kidney Disease and Osteoporosis.

    Shiroshita, Kohei / Okayama, Mikio / Oshima, Yosuke / Okamoto, Shinichiro / Sadahira, Ken

    Cureus

    2023  Volume 15, Issue 11, Page(s) e48555

    Abstract: Given the increasing prevalence of chronic myeloid leukemia (CML) in older individuals, careful selection of tyrosine kinase inhibitors (TKIs) is required. The case of an 84-year-old woman with chronic-phase CML and chronic kidney disease undergoing ... ...

    Abstract Given the increasing prevalence of chronic myeloid leukemia (CML) in older individuals, careful selection of tyrosine kinase inhibitors (TKIs) is required. The case of an 84-year-old woman with chronic-phase CML and chronic kidney disease undergoing osteoporosis, in whom dasatinib triggered severe hypocalcemia, is reported. She was intolerant to both imatinib and nilotinib. Initiation of low-dose dasatinib treatment led to severe hypocalcemia and long QT syndrome, compounded by vitamin D deficiency and denosumab use. We stopped dasatinib, and her hypocalcemia was improved after calcium administration. This case highlights the potential of TKIs in triggering hypocalcemia, emphasizing the need to assess mineral disorders before initiating TKI therapy.
    Language English
    Publishing date 2023-11-09
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.48555
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: [Hematopoietic stem cell transplantation for the treatment of hematological malignancies].

    Okamoto, Shinichiro

    Rinsho ketsueki] The Japanese journal of clinical hematology

    2014  Volume 55, Issue 2, Page(s) 160–169

    MeSH term(s) Combined Modality Therapy ; Hematologic Neoplasms/therapy ; Hematopoietic Stem Cell Transplantation/methods ; Humans ; Immunotherapy ; Tissue and Organ Procurement ; Transplantation Conditioning
    Language Japanese
    Publishing date 2014-02
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 390900-1
    ISSN 0485-1439
    ISSN 0485-1439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: The activities and regulatory landscape of cellular therapies including hematopoietic cell transplantation in the world.

    Okamoto, Shinichiro / Perales, Miguel-Angel / Sureda, Anna / Niederwieser, Dietger

    Blood cell therapy

    2022  Volume 5, Issue Spec Edition, Page(s) S15–S24

    Abstract: A variety of cellular therapies including hematopoietic cell transplantation (HCT) hold the promise to treat medical conditions and diseases that currently have limited or no effective therapeutic options. A number of cellular therapies other than HCT, ... ...

    Abstract A variety of cellular therapies including hematopoietic cell transplantation (HCT) hold the promise to treat medical conditions and diseases that currently have limited or no effective therapeutic options. A number of cellular therapies other than HCT, such as CAR T-cell therapy, are currently in preclinical and clinical development and the field is rapidly growing. The current activity of cellular therapies, including HCT, in the clinical setting are summarized in this article. Collaborative efforts from all relevant professionals and organizations will be of great importance to overcome substantial challenges in clinical development and post-launch evidence collection of cellular therapies. Harmonization among decision-makers also plays a critical role in reinforcing consistency and improving efficiencies of the regulatory and health technology assessment process. For the long-term safety follow-up of patients undergoing cellular therapies, registries for HCT are able to manage the complexity of data and in the best position to introduce and monitor future innovative cellular therapies for a variety of hematological disorders.
    Language English
    Publishing date 2022-12-23
    Publishing country Japan
    Document type Journal Article
    ISSN 2432-7026
    ISSN (online) 2432-7026
    DOI 10.31547/bct-2022-013
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: [Programs for continuing medical education: B session; 9. Hematopoietic stem cell transplantation in the era of molecular targeting therapies].

    Okamoto, Shinichiro

    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine

    2013  Volume 102, Issue 3, Page(s) 699–703

    MeSH term(s) Age Factors ; Education, Medical, Continuing ; Hematopoietic Stem Cell Transplantation/methods ; Hematopoietic Stem Cell Transplantation/trends ; Humans ; Molecular Targeted Therapy ; Transplantation, Homologous/methods ; Treatment Outcome
    Language Japanese
    Publishing date 2013-05-21
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.102.699
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: A tissue clearing method for neuronal imaging from mesoscopic to microscopic scales

    Yamauchi, Kenta / Okamoto, Shinichiro / Takahashi, Megumu / Koike, Masato / Furuta, Takahiro / Hioki, Hiroyuki

    Journal of visualized experiments. 2022 May 10, , no. 183

    2022  

    Abstract: A detailed protocol is provided here to visualize neuronal structures from mesoscopic to microscopic levels in brain tissues. Neuronal structures ranging from neural circuits to subcellular neuronal structures are visualized in mouse brain slices ... ...

    Abstract A detailed protocol is provided here to visualize neuronal structures from mesoscopic to microscopic levels in brain tissues. Neuronal structures ranging from neural circuits to subcellular neuronal structures are visualized in mouse brain slices optically cleared with ScaleSF. This clearing method is a modified version of ScaleS and is a hydrophilic tissue clearing method for tissue slices that achieves potent clearing capability as well as a high-level of preservation of fluorescence signals and structural integrity. A customizable three dimensional (3D)-printed imaging chamber is designed for reliable mounting of cleared brain tissues. Mouse brains injected with an adeno-associated virus vector carrying enhanced green fluorescent protein gene were fixed with 4% paraformaldehyde and cut into slices of 1-mm thickness with a vibrating tissue slicer. The brain slices were cleared by following the clearing protocol, which include sequential incubations in three solutions, namely, ScaleS0 solution, phosphate buffer saline (–), and ScaleS4 solution, for a total of 10.5–14.5 h. The cleared brain slices were mounted on the imaging chamber and embedded in 1.5% agarose gel dissolved in ScaleS4D25(0) solution. The 3D image acquisition of the slices was carried out using a confocal laser scanning microscope equipped with a multi-immersion objective lens of a long working distance. Beginning with mesoscopic neuronal imaging, we succeeded in visualizing fine subcellular neuronal structures, such as dendritic spines and axonal boutons, in the optically cleared brain slices. This protocol would facilitate understanding of neuronal structures from circuit to subcellular component scales.
    Keywords Dependoparvovirus ; agarose ; brain ; fluorescence ; gels ; genes ; green fluorescent protein ; hydrophilicity ; mice ; neurons ; phosphates
    Language English
    Dates of publication 2022-0510
    Size p. e63941.
    Publishing place Journal of Visualized Experiments
    Document type Article
    ZDB-ID 2259946-0
    ISSN 1940-087X
    ISSN 1940-087X
    DOI 10.3791/63941
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Protocol for multi-scale light microscopy/electron microscopy neuronal imaging in mouse brain tissue.

    Yamauchi, Kenta / Furuta, Takahiro / Okamoto, Shinichiro / Takahashi, Megumu / Koike, Masato / Hioki, Hiroyuki

    STAR protocols

    2022  Volume 3, Issue 3, Page(s) 101508

    Abstract: An imaging technique across multiple spatial scales is required for extracting structural information on neurons with processes of meter scale length and specialized nanoscale structures. Here, we present a protocol combining multi-scale light microscopy ...

    Abstract An imaging technique across multiple spatial scales is required for extracting structural information on neurons with processes of meter scale length and specialized nanoscale structures. Here, we present a protocol combining multi-scale light microscopy (LM) with electron microscopy (EM) in mouse brain tissue. We describe tissue slice preparation and LM/EM dual labeling with EGFP-APEX2 fusion protein. We then detail Sca
    MeSH term(s) Animals ; Brain ; Mice ; Microscopy, Electron ; Neurons
    Language English
    Publishing date 2022-08-18
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2666-1667
    ISSN (online) 2666-1667
    DOI 10.1016/j.xpro.2022.101508
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: A Tissue Clearing Method for Neuronal Imaging from Mesoscopic to Microscopic Scales.

    Yamauchi, Kenta / Okamoto, Shinichiro / Takahashi, Megumu / Koike, Masato / Furuta, Takahiro / Hioki, Hiroyuki

    Journal of visualized experiments : JoVE

    2022  , Issue 183

    Abstract: A detailed protocol is provided here to visualize neuronal structures from mesoscopic to microscopic levels in brain tissues. Neuronal structures ranging from neural circuits to subcellular neuronal structures are visualized in mouse brain slices ... ...

    Abstract A detailed protocol is provided here to visualize neuronal structures from mesoscopic to microscopic levels in brain tissues. Neuronal structures ranging from neural circuits to subcellular neuronal structures are visualized in mouse brain slices optically cleared with ScaleSF. This clearing method is a modified version of ScaleS and is a hydrophilic tissue clearing method for tissue slices that achieves potent clearing capability as well as a high-level of preservation of fluorescence signals and structural integrity. A customizable three dimensional (3D)-printed imaging chamber is designed for reliable mounting of cleared brain tissues. Mouse brains injected with an adeno-associated virus vector carrying enhanced green fluorescent protein gene were fixed with 4% paraformaldehyde and cut into slices of 1-mm thickness with a vibrating tissue slicer. The brain slices were cleared by following the clearing protocol, which include sequential incubations in three solutions, namely, ScaleS0 solution, phosphate buffer saline (-), and ScaleS4 solution, for a total of 10.5-14.5 h. The cleared brain slices were mounted on the imaging chamber and embedded in 1.5% agarose gel dissolved in ScaleS4D25(0) solution. The 3D image acquisition of the slices was carried out using a confocal laser scanning microscope equipped with a multi-immersion objective lens of a long working distance. Beginning with mesoscopic neuronal imaging, we succeeded in visualizing fine subcellular neuronal structures, such as dendritic spines and axonal boutons, in the optically cleared brain slices. This protocol would facilitate understanding of neuronal structures from circuit to subcellular component scales.
    MeSH term(s) Animals ; Brain/metabolism ; Imaging, Three-Dimensional/methods ; Mice ; Microscopy, Confocal/methods ; Neurons
    Language English
    Publishing date 2022-05-10
    Publishing country United States
    Document type Journal Article ; Video-Audio Media ; Research Support, Non-U.S. Gov't
    ZDB-ID 2259946-0
    ISSN 1940-087X ; 1940-087X
    ISSN (online) 1940-087X
    ISSN 1940-087X
    DOI 10.3791/63941
    Database MEDical Literature Analysis and Retrieval System OnLINE

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