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  1. Article

    Open Access

    Raman image-activated cell sorting

    The advent of image-activated cell sorting and imaging-based cell picking has advanced our knowledge and exploitation of biological systems in the last decade. Unfortunately, they generally rely on fluorescent...

    Nao Nitta, Takanori Iino, Akihiro Isozaki, Mai Yamagishi in Nature Communications (2020)

  2. Article

    Open Access

    Virtual-freezing fluorescence imaging flow cytometry

    By virtue of the combined merits of flow cytometry and fluorescence microscopy, imaging flow cytometry (IFC) has become an established tool for cell analysis in diverse biomedical fields such as cancer biology...

    Hideharu Mikami, Makoto Kawaguchi, Chun-Jung Huang in Nature Communications (2020)

  3. Article

    Open Access

    Mast cells play role in wound healing through the ZnT2/GPR39/IL-6 axis

    Zinc (Zn) is an essential nutrient and its deficiency causes immunodeficiency and skin disorders. Various cells including mast cells release Zn-containing granules when activated; however, the biological role ...

    Keigo Nishida, Aiko Hasegawa, Satoru Yamasaki, Ryota Uchida in Scientific Reports (2019)

  4. Article

    Open Access

    A Novel Mouse Model of iNKT Cell-deficiency Generated by CRISPR/Cas9 Reveals a Pathogenic Role of iNKT Cells in Metabolic Disease

    iNKT cells play important roles in immune regulation by bridging the innate and acquired immune systems. The functions of iNKT cells have been investigated in mice lacking the Traj18 gene segment that were genera...

    Yue Ren, Etsuko Sekine-Kondo, Risa Shibata, Megumi Kato-Itoh in Scientific Reports (2017)

  5. No Access

    Article

    Probing the metabolic heterogeneity of live Euglena gracilis with stimulated Raman scattering microscopy

    Understanding metabolism in live microalgae is crucial for efficient biomaterial engineering, but conventional methods fail to evaluate heterogeneous populations of motile microalgae due to the labelling requi...

    Yoshifumi Wakisaka, Yuta Suzuki, Osamu Iwata, Ayaka Nakashima in Nature Microbiology (2016)

  6. No Access

    Chapter

    Elucidation and Control of the Mechanisms Underlying Chronic Inflammation Mediated by Invariant Natural Killer T Cells

    Invariant natural killer T (iNKT) cells are a subpopulation of T lymphocytes with unique specificities against (glyco)lipids presented in the context of CD1d belonging to major histocompatibility complex (MHC)...

    Hiroshi Watarai in Chronic Inflammation (2016)

  7. No Access

    Article

    Induced pluripotency as a potential path towards iNKT cell-mediated cancer immunotherapy

    Invariant natural killer T (iNKT) cells are characterized by the expression of an invariant Vα14–Jα18 paired with Vβ8/7/2 in mice, and Vα24–Jα18 with Vβ11 in humans, that recognizes glycolipids, such as α-galacto...

    Hiroshi Watarai, Daisuke Yamada, Shin-ichiro Fujii in International Journal of Hematology (2012)

  8. No Access

    Chapter

    Introduction: Mechanisms of NKT-Cell-Mediated Adjuvant Activity and Function of iPS-Derived NKT Cells

    Natural killer T (NKT) cells are characterized by the expression of an invariant Vα14Jα18 receptor that recognizes glycolipids such as α-galactosylceramide (α-GalCer) in conjunction with CD1d molecule. Functio...

    Masaru Taniguchi, Shin-ichiro Fujii, Toshinori Nakayama in Natural Killer T cells (2012)

  9. No Access

    Article

    The transcription factor E4BP4 regulates the production of IL-10 and IL-13 in CD4+ T cells

    Chronic stimulation of lymphocytes results in upregulation of immunomodulatory IL-10, but the molecular mechanisms of this process have remained unknown. Kubo and colleagues demonstrate that the transcription ...

    Yasutaka Motomura, Hiroshi Kitamura, Atsushi Hijikata, Yuko Matsunaga in Nature Immunology (2011)

  10. No Access

    Article

    A sodium hyaluronate carboxymethylcellulose bioresorbable membrane prevents postoperative small-bowel adhesive obstruction after distal gastrectomy

    It is predictable that since distal gastrectomy (DG) with Billroth I anastomosis involves no procedures caudal to transverse colon, the effects of the surgical wound are the main cause of adhesive obstruction....

    Hideki Kawamura, Ryoichi Yokota, Kentaro Yokota, Hiroshi Watarai in Surgery Today (2010)

  11. No Access

    Article

    Regulation of IL-9 expression by IL-25 signaling

    How IL-9 expression is regulated remains unclear. Dong and co-workers show that the IL-25–IL-17RB pathway is central to the physiological regulation of this cytokine in vivo.

    Pornpimon Angkasekwinai, Seon Hee Chang, Manoj Thapa, Hiroshi Watarai in Nature Immunology (2010)

  12. No Access

    Article

    M-Sec promotes membrane nanotube formation by interacting with Ral and the exocyst complex

    How tunnelling nanotubes form between cells is unclear. A mammalian protein, M-Sec, that has homology to the Sec6 subunit of the exocyst complex, is sufficient and necessary for nanotube formation. The Ral GTP...

    Koji Hase, Shunsuke Kimura, Hiroyuki Takatsu, Masumi Ohmae in Nature Cell Biology (2009)

  13. No Access

    Article

    Assessment of pain by face scales after gastrectomy: comparison of laparoscopically assisted gastrectomy and open gastrectomy

    Laparoscopic gastrectomy is reported to cause little pain. However, only the total number of analgesics used has been studied to date. Because pain is a subjective experience, its evaluation requires indicator...

    Hideki Kawamura, Shigenori Homma, Ryoichi Yokota, Hiroshi Watarai in Surgical Endoscopy (2009)

  14. No Access

    Article

    Inspection of Safety and Accuracy of D2 Lymph Node Dissection in Laparoscopy-Assisted Distal Gastrectomy

    There is a consensus on the indication of laparoscopy-assisted distal gastrectomy (LADG) for early gastric cancer that needs D1 + α or D1 + β lymph node dissection. However, many gastrointestinal surgeons cons...

    Hideki Kawamura, Shigenori Homma, Ryoichi Yokota in World Journal of Surgery (2008)

  15. No Access

    Article

    Methods for detection, isolation and culture of mouse and human invariant NKT cells

    This protocol describes methods to identify, purify and culture CD1d restricted invariant natural killer T (iNKT) cells from mouse tissue or human blood samples. The methods for identification and purification of...

    Hiroshi Watarai, Ryusuke Nakagawa, Miyuki Omori-Miyake in Nature Protocols (2008)

  16. No Access

    Article

    Classification for Dimethylarsenate-decomposing Bacteria Using a Restrict Fragment Length Polymorphism Analysis of 16S rRNA Genes

    A new monitoring system for bacterial communities involving dimethylarsinic acid (DMAA) decomposition was provided by combining the MPN (Most Probable Number) method and RFLP (restriction-fragment-length polym...

    Teruya Maki, Hiroshi Hasegawa, Hiroshi Watarai, Kazumasa Ueda in Analytical Sciences (2004)