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Zulch E, Inoue Y, Cioccio J, Rakszawski K, Songdej N, Nickolich M, Zheng H, Naik S, Rybka W, Ehmann C, Sivik J, Mierski J, Silar B, Vajdic C, Greiner R, Brown V, Hohl R, Claxton D, Shike H, Paules CI, Mineishi S, Minagawa K. Impact of post-transplant cyclophosphamide and splenomegaly on primary graft failure and multi-lineage cytopenia after allogeneic hematopoietic cell transplantation. Leuk Res 2024; 143:107530. [PMID: 38852515 DOI: 10.1016/j.leukres.2024.107530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 05/21/2024] [Accepted: 06/01/2024] [Indexed: 06/11/2024]
Abstract
Primary graft failure (PGF) and multi-lineage cytopenia (MLC) increase the risk of nonrelapse mortality in allogeneic hematopoietic cell transplants (HCT). We evaluated the impact of post-transplant cyclophosphamide (PTCy) and splenomegaly on PGF and MLC for hematological malignancies. This study included patients with PTCy (N=84) and conventional graft-vs.-host disease prophylaxis (N=199). The occurrence of splenomegaly varied widely, ranging from 17.1 % (acute myeloid leukemia) to 66.7 % (myeloproliferative neoplasms). Ten patients (N=8 in the PTCy and N=2 in the non- PTCy) developed PGF, and 44 patients developed MLC (both N=22). PTCy and severe splenomegaly (≥20 cm) were risk factors for PGF (odds ratio (OR): 10.40, p<0.01 and 6.74, p=0.01 respectively). Moreover, severe splenomegaly was a risk factor for PGF in PTCy patients (OR: 10.20, p=0.01). PTCy (hazard ratio (HR) 2.09, p=0.02), moderate (≥15, <20 cm, HR 4.36, p<0.01), and severe splenomegaly (HR 3.04, p=0.01) were independent risk factors for MLC. However, in subgroup analysis in PTCy patients, only mild splenomegaly (≥12, <15 cm, HR 4.62, p=0.01) was a risk factor for MLC. We recommend all patients be screened for splenomegaly before HCT, and PTCy is cautioned in those with splenomegaly.
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Guare EG, Hale CM, Sivik J, Lehman E, Inoue Y, Rakszawski K, Songdej N, Nickolich M, Zheng H, Naik S, Claxton D, Rybka W, Hohl R, Mineishi S, Minagawa K, Paules CI. The addition of doxycycline to fluoroquinolones for bacterial prophylaxis in autologous stem cell transplantation for multiple myeloma. Transpl Infect Dis 2024; 26:e14241. [PMID: 38269469 DOI: 10.1111/tid.14241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Bacterial prophylaxis with a fluoroquinolone (FQ) during autologous stem cell transplant (ASCT) is common, although not standardized among transplant centers. The addition of doxycycline (doxy) to FQ prophylaxis was previously linked to reduced neutropenic fever and bacteremia in multiple myeloma (MM) patients undergoing ASCT although several confounders were present. We compared the incidence of neutropenic fever and bacteremia between MM patients variably receiving prophylaxis with FQ alone and FQ-doxy during ASCT. METHODS Systematic retrospective chart review of MM patients who underwent ASCT between January 2016 and December 2021. The primary objective was to determine the effect of bacterial prophylaxis on neutropenic fever and bacteremia within 30 days of ASCT. Multivariable logistic regression for neutropenic fever and univariate logistic regression for bacteremia accounted for differences in subject characteristics between groups. RESULTS Among 341 subjects, 121 received FQ and 220 received FQ-doxy for prophylaxis. Neutropenic fever developed in 67 (55.4%) and 87 (39.5%) subjects in the FQ and FQ-doxy groups, respectively (p = .005). Bacteremia was infrequent, with 5 (4.1%) and 5 (2.3%) cases developing in the FQ and FQ-doxy groups, respectively (p = .337). Among Gram-negative bacteremia events, 7/7 Escherichia coli strains were FQ-resistant, and 5/7 were ceftriaxone-resistant. CONCLUSION The FQ-doxy prophylaxis group had fewer cases of neutropenic fever than the FQ group, however, there was no significant difference in bacteremia. High rates of antibiotic resistance were observed. An updated randomized controlled trial investigating appropriate prophylaxis for ASCT in the context of current oncology standards and changing antimicrobial resistance rates is warranted.
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Naik S, Rakszawski K, Zheng H, Claxton D, Minagawa K, Mineishi S. Clofarabine Preconditioning followed by Allogeneic Transplant Using TBI and Post-Transplant Cyclophosphamide for Relapsed Refractory Leukemia. Int J Mol Sci 2024; 25:957. [PMID: 38256031 PMCID: PMC10815844 DOI: 10.3390/ijms25020957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/08/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Acute myeloid leukemia patients with induction failure or relapsed refractory disease have minimal chance of achieving remission with subsequent treatments. Several trials have shown the feasibility of clofarabine-based conditioning in allogeneic stem cell transplants (allo-HSCT) for non-remission AML patients. Pre-transplant conditioning with clofarabine followed by reduced-intensity allo-HSCT has also demonstrated a potential benefit in those patients with human leukocyte antigen (HLA)-identical donors, but it is not commonly used in haploidentical and mismatched transplants. In this case report, we describe our experience of seven cases of non-remission AML who received clofarabine preconditioning followed by an allo-HSCT with PTCy. The 2-year overall survival and disease-free survival was 83.3% (95% confidence interval (CI): 27.3-97.9%) and 85.7% (95% CI: 33.4-97.9%). Median days of neutrophil and platelet recovery were 16 (range of 13-23) and 28 (range of 17-75), respectively. The cumulative incidence of grade II-IV acute graft-versus-host disease (GVHD) at day 100 and chronic GVHD at 1-year showed 28.6% (95% CI: 8-74.2%) and 28.6% (95% CI: 3-63.9%), respectively. The two-year relapse rate was 14.3% (95% CI: 2.14-66.6%). One-year GVHD-free relapse-free survival (GFRS) at 1-year was 71.4% (95% CI: 25.8-92%). Our patients showed successful outcomes with clofarabine preconditioning to reduce the leukemic burden at the pre-transplant period followed by PTCy to reduce GVHD resulting in lower relapsed rate and better GFRS in these patients.
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Jia B, Zhao C, Minagawa K, Shike H, Claxton DF, Ehmann WC, Rybka WB, Mineishi S, Wang M, Schell TD, Prabhu KS, Paulson RF, Zhang Y, Shultz LD, Zheng H. Acute Myeloid Leukemia Causes T Cell Exhaustion and Depletion in a Humanized Graft-versus-Leukemia Model. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1426-1437. [PMID: 37712758 DOI: 10.4049/jimmunol.2300111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 08/21/2023] [Indexed: 09/16/2023]
Abstract
Allogeneic hematopoietic stem cell transplantation (alloSCT) is, in many clinical settings, the only curative treatment for acute myeloid leukemia (AML). The clinical benefit of alloSCT greatly relies on the graft-versus-leukemia (GVL) effect. However, AML relapse remains the top cause of posttransplant death; this highlights the urgent need to enhance GVL. Studies of human GVL have been hindered by the lack of optimal clinically relevant models. In this article, we report, the successful establishment of a novel (to our knowledge) humanized GVL model system by transplanting clinically paired donor PBMCs and patient AML into MHC class I/II knockout NSG mice. We observed significantly reduced leukemia growth in humanized mice compared with mice that received AML alone, demonstrating a functional GVL effect. Using this model system, we studied human GVL responses against human AML cells in vivo and discovered that AML induced T cell depletion, likely because of increased T cell apoptosis. In addition, AML caused T cell exhaustion manifested by upregulation of inhibitory receptors, increased expression of exhaustion-related transcription factors, and decreased T cell function. Importantly, combined blockade of human T cell-inhibitory pathways effectively reduced leukemia burden and reinvigorated CD8 T cell function in this model system. These data, generated in a highly clinically relevant humanized GVL model, not only demonstrate AML-induced inhibition of alloreactive T cells but also identify promising therapeutic strategies targeting T cell depletion and exhaustion for overcoming GVL failure and treating AML relapse after alloSCT.
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Zhou H, Jia B, Annageldiyev C, Minagawa K, Zhao C, Mineishi S, Ehmann WC, Naik SG, Cioccio J, Wirk B, Songdej N, Rakszawski KL, Nickolich MS, Shen J, Zheng H. CD26 lowPD-1 + CD8 T cells are terminally exhausted and associated with leukemia progression in acute myeloid leukemia. Front Immunol 2023; 14:1169144. [PMID: 37457737 PMCID: PMC10338956 DOI: 10.3389/fimmu.2023.1169144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 06/15/2023] [Indexed: 07/18/2023] Open
Abstract
Acute myeloid leukemia (AML) is a devastating blood cancer with poor prognosis. Novel effective treatment is an urgent unmet need. Immunotherapy targeting T cell exhaustion by blocking inhibitory pathways, such as PD-1, is promising in cancer treatment. However, results from clinical studies applying PD-1 blockade to AML patients are largely disappointing. AML is highly heterogeneous. Identification of additional immune regulatory pathways and defining predictive biomarkers for treatment response are crucial to optimize the strategy. CD26 is a marker of T cell activation and involved in multiple immune processes. Here, we performed comprehensive phenotypic and functional analyses on the blood samples collected from AML patients and discovered that CD26lowPD-1+ CD8 T cells were associated with AML progression. Specifically, the percentage of this cell fraction was significantly higher in patients with newly diagnosed AML compared to that in patients achieved completed remission or healthy controls. Our subsequent studies on CD26lowPD-1+ CD8 T cells from AML patients at initial diagnosis demonstrated that this cell population highly expressed inhibitory receptors and displayed impaired cytokine production, indicating an exhaustion status. Importantly, CD26lowPD-1+ CD8 T cells carried features of terminal exhaustion, manifested by higher frequency of TEMRA differentiation, increased expression of transcription factors that are observed in terminally exhausted T cells, and high level of intracellular expression of granzyme B and perforin. Our findings suggest a prognostic and predictive value of CD26 in AML, providing pivotal information to optimize the immunotherapy for this devastating cancer.
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Minagawa K, Wakahashi K, Fukui C, Kawano Y, Kawano H, Suzuki T, Ishii S, Sada A, Nishikawa S, Asada N, Katayama Y, Matsui T. Tfl deletion induces extraordinary Cxcl13 secretion and cachexia in VavP- Bcl2 transgenic mice. Front Immunol 2023; 14:1197112. [PMID: 37304286 PMCID: PMC10250710 DOI: 10.3389/fimmu.2023.1197112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/16/2023] [Indexed: 06/13/2023] Open
Abstract
STATEMENT OF SIGNIFICANCE Loss of TFL, found in several types of lymphoma, induces excessive CXCL13 secretion through RNA dysregulation contributing to body weight loss and early death in lymphoma model mice. Follicular lymphoma (FL) is associated with overexpressed BCL-2 and other genetic aberrations, including 6q-. We identified a novel gene on 6q25, "Transformed follicular lymphoma (TFL)," from a transformed FL. TFL regulates several cytokines via mRNA degradation, which has been suggested to underlie resolving inflammation. Fluorescence in situ hybridization revealed a deletion of TFL occurred in 13.6% of various B-cell lymphoma samples. We developed VavP-bcl2 transgenic, TFL deficit mice (Bcl2-Tg/Tfl -/-) to seek how TFL affects disease progression in this lymphoma model. While Bcl2-Tg mice developed lymphadenopathy and died around 50 weeks, Bcl2-Tg/Tfl -/- mice lost body weight around 30 weeks and died about 20 weeks earlier than Bcl2-Tg mice. Furthermore, we found a unique B220-IgM+ cell population in the bone marrow of Bcl2-Tg mice. cDNA array in this population revealed that Cxcl13 mRNA in Bcl2-Tg/Tfl -/- mice expressed significantly higher than Bcl2-Tg mice. In addition, bone marrow extracellular fluid and serum showed an extremely high Cxcl13 concentration in Bcl2-Tg/Tfl -/- mice. Among bone marrow cells, the B220-IgM+ fraction was the main producer of Cxcl13 in culture. A reporter assay demonstrated TFL regulates CXCL-13 via induction of 3'UTR mRNA degradation in B lineage cells. These data suggest Tfl regulates Cxcl13 in B220-IgM+ cells in the bone marrow, and a very high concentration of serum Cxcl13 arising from these cells may contribute to early death in lymphoma-bearing mice. Since several reports have suggested the association of CXCL13 expression with lymphoma, these findings provide new insights into cytokine regulation via TFL in lymphoma.
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Naik S, Zheng H, Minagawa K, Mineishi S. Clofarabine Preconditioning Followed By Allogeneic Transplant Using TBI and Post-Transplant Cyclophosphamide for Relapsed Refractory Leukemia. Transplant Cell Ther 2023. [DOI: 10.1016/s2666-6367(23)00293-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Shah N, Cioccio J, Rakszawski K, Zheng H, Nickolich M, Naik S, Wirk B, Rybka W, Ehmann C, Silar B, Vajdic C, Mierski J, Zhou S, Shike H, Greiner R, Brown V, Hohl R, Claxton D, Mineishi S, Minagawa K, Tuanquin L. Low-dose total body irradiation promotes T-cells donor chimerism in reduced-intensity/non-myeloablative allogeneic stem cell transplant with post-transplant cyclophosphamide. Leuk Res 2022; 123:106969. [DOI: 10.1016/j.leukres.2022.106969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/20/2022] [Accepted: 10/19/2022] [Indexed: 11/24/2022]
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Falcon C, Smith L, Al-Obaidi M, Abu Zaanona M, Purvis K, Minagawa K, Athar M, Salzman D, Bhatia R, Goldman F, Di Stasi A. Combinatorial suicide gene strategies for the safety of cell therapies. Front Immunol 2022; 13:975233. [PMID: 36189285 PMCID: PMC9515659 DOI: 10.3389/fimmu.2022.975233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Gene-modified cellular therapies carry inherent risks of severe and potentially fatal adverse events, including the expansion of alloreactive cells or malignant transformation due to insertional mutagenesis. Strategies to mitigate uncontrolled proliferation of gene-modified cells include co-transfection of a suicide gene, such as the inducible caspase 9 safety switch (ΔiC9). However, the activation of the ΔiC9 fails to completely eliminate all gene-modified cells. Therefore, we tested a two suicide gene system used independently or together, with the goal of complete cell elimination. The first approach combined the ΔiC9 with an inducible caspase 8, ΔiC8, which lacks the endogenous prodomain. The rationale was to use a second caspase with an alternative and complementary mechanism of action. Jurkat cells co-transduced to co-express the ΔiC8, activatable by a BB homodimerizer, and the ΔiC9 activatable by the rapamycin analog sirolimus were used in a model to estimate the degree of inducible cell elimination. We found that both agents could activate each caspase independently, with enhanced elimination with superior reduction in cell regrowth of gene-modified cells when both systems were activated simultaneously. A second approach was employed in parallel, combining the ΔiC9 with the RQR8 compact suicide gene. RQR8 incorporates a CD20 mimotope, targeted by the anti-CD20 monoclonal antibody rituxan, and the QBend10, a ΔCD34 selectable marker. Likewise, enhanced cell elimination with superior reduction in cell regrowth was observed when both systems were activated together. A dose-titration effect was also noted utilizing the BB homodimerizer, whereas sirolimus remained very potent at minimal concentrations. Further in vivo studies are needed to validate these novel combination systems, which may play a role in future cancer therapies or regenerative medicine.
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Pizzola CJ, Cioccio J, Rakszawski KL, Nickolich M, Ehmann WC, Rybka WB, Wirk B, Naik S, Zheng H, Silar B, Shike H, Zhou S, Mineishi S, Minagawa K, Claxton DF. Non-myeloablative allogeneic stem cell transplant with fludarabine and reduced dose cyclophosphamide in acute myeloid leukemia for older adults with comorbidities. Bone Marrow Transplant 2022; 57:1743-1745. [PMID: 36097041 DOI: 10.1038/s41409-022-01821-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/09/2022]
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Jamy O, Arora S, Salzman D, Di Stasi A, Minagawa K, Mineishi S, Saad A. A Phase II Study of Myeloablative Allogeneic Hematopoietic Stem Cell Transplantation for Acute Lymphoblastic Leukemia in Older Patients Using Fludarabine and Total Body Irradiation. Transplant Cell Ther 2022. [DOI: 10.1016/s2666-6367(22)00466-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zulch E, Cioccio J, Rakszawski K, Nickolich M, Ehmann WC, Wirk B, Naik S, Rybka W, Zheng H, Shike H, Sivik J, Mierski J, Silar B, Greiner R, Brown V, Tuanquin L, Claxton DF, Mineishi S, Minagawa K. Splenomegaly Predisposes Graft Failure in Ptcy Transplant. Transplant Cell Ther 2022. [DOI: 10.1016/s2666-6367(22)00339-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Jamy O, Innis‐Shelton R, Bal S, Paluri R, Salzman D, Di Stasi A, Costa L, Meredith R, Lamb L, Minagawa K, Mineishi S, Saad A. Phase II clinical trial of one dose of post-transplant cyclophosphamide for graft versus host disease prevention following myeloablative, peripheral blood stem cell, matched-unrelated donor transplantation. Am J Hematol 2021; 96:E396-E398. [PMID: 34288026 DOI: 10.1002/ajh.26296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/24/2021] [Accepted: 07/15/2021] [Indexed: 12/23/2022]
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Minagawa K, Mineishi S. [The coronavirus disease 2019 (COVID-19) and hematologic oncology or BMT practice at our center in US]. [RINSHO KETSUEKI] THE JAPANESE JOURNAL OF CLINICAL HEMATOLOGY 2021; 62:998-1003. [PMID: 34497240 DOI: 10.11406/rinketsu.62.998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has exerted a considerable impact in our region; thus, we have been performing only emergency transplants in March 2020. At present, all inpatients and surgical patients are being tested and screened for COVID-19. If they are found to be positive, they are transferred to the COVID-19 ward, where a specialized team manages them. Team-based care allows the hematology/oncology teams to perform their regular duties. In particular, for post-transplant patients, treatment decisions are made through discussion with infectious disease specialists, and in principle, the patients are treated using the same protocol as that used for the general COVID-19 infected patients. Currently, vaccination is being promoted at a rapid pace based on the Centers for Disease Control and Prevention Guidelines (CDC) guidelines. At our institution, when a situation of suspected nosocomial COVID-19 infection occurred, all healthcare workers were tested. Thereafter, all hospitalized patients were tested every week for COVID-19, and we were able to overcome the situation. Although definitive measures for COVID-19 are yet to be established, signs of an end to the infection are beginning to appear with a wider availability of vaccines.
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Tomita T, Kato M, Mishima T, Matsunaga Y, Sanjo H, Ito KI, Minagawa K, Matsui T, Oikawa H, Takahashi S, Takao T, Iwai N, Mino T, Takeuchi O, Maru Y, Hiratsuka S. Extracellular mRNA transported to the nucleus exerts translation-independent function. Nat Commun 2021; 12:3655. [PMID: 34135341 PMCID: PMC8208975 DOI: 10.1038/s41467-021-23969-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 05/27/2021] [Indexed: 12/19/2022] Open
Abstract
RNA in extracellular vesicles (EVs) are uptaken by cells, where they regulate fundamental cellular functions. EV-derived mRNA in recipient cells can be translated. However, it is still elusive whether “naked nonvesicular extracellular mRNA” (nex-mRNA) that are not packed in EVs can be uptaken by cells and, if so, whether they have any functions in recipient cells. Here, we show the entrance of nex-mRNA in the nucleus, where they exert a translation-independent function. Human nex-interleukin-1β (IL1β)-mRNA outside cells proved to be captured by RNA-binding zinc finger CCCH domain containing protein 12D (ZC3H12D)-expressing human natural killer (NK) cells. ZC3H12D recruited to the cell membrane binds to the 3′-untranslated region of nex-IL1β-mRNA and transports it to the nucleus. The nex-IL1β-mRNA in the NK cell nucleus upregulates antiapoptotic gene expression, migration activity, and interferon-γ production, leading to the killing of cancer cells and antimetastasis in mice. These results implicate the diverse actions of mRNA. Nonvesicular extracellular RNA (nex-RNA) that are not packed in extracellular vesicles is detected outside the cell, but it is poorly understood. Here the authors report that nex-RNA is captured by a zinc finger protein and transported to the nucleus to enhance antimetastatic characters of the cell.
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Suzuki T, Ishii S, Shinohara M, Kawano Y, Wakahashi K, Kawano H, Sada A, Minagawa K, Hamada M, Takahashi S, Furuyashiki T, Tan NS, Matsui T, Katayama Y. Mobilization efficiency is critically regulated by fat via marrow PPARδ. Haematologica 2021; 106:1671-1683. [PMID: 33538151 PMCID: PMC8168511 DOI: 10.3324/haematol.2020.265751] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Indexed: 12/21/2022] Open
Abstract
The mobilization efficiency of hematopoietic stem/progenitor cells from bone marrow (BM) to circulation by granulocyte colony-stimulating factor (G-CSF) is dramatically dispersed in humans and mice with no mechanistic lead for poor mobilizers. The regulatory mechanism for mobilization efficiency by dietary fat was assessed in mice. Fat-free diet (FFD) for 2 weeks greatly increased mobilization compared to normal diet (ND). The BM mRNA level of peroxisome proliferator-activated receptor δ (PPARδ), a receptor for lipid mediators, was markedly up-regulated by G-CSF in mice fed with ND and displayed strong positive correlation with widely scattered mobilization efficiency. It was hypothesized that BM fat ligand for PPARδ might inhibit mobilization. The PPARδ agonist inhibited mobilization in mice fed with ND and enhanced mobilization by FFD. Treatment with the PPARδ antagonist and chimeric mice with PPARδ+/- BM showed enhanced mobilization. Immunohistochemical staining and flow cytometry revealed that BM PPARδ expression was enhanced by G-CSF mainly in mature/immature neutrophils. BM lipid mediator analysis revealed that G-CSF treatment and FFD resulted in the exhaustion of ω3-polyunsaturated fatty acids such as eicosapentaenoic acid (EPA). EPA induced the up-regulation of genes downstream of PPARδ, such as carnitine palmitoyltransferase-1α and angiopoietin-like protein 4 (Angptl4), in mature/immature neutrophils in vitro and inhibited enhanced mobilization in mice fed with FFD in vivo. Treatment of wild-type mice with the anti-Angptl4 antibody enhanced mobilization together with BM vascular permeability. Collectively, PPARδ signaling in BM mature/immature neutrophils induced by dietary fatty acids negatively regulates mobilization, at least partially, via Angptl4 production.
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Ishii S, Suzuki T, Wakahashi K, Asada N, Kawano Y, Kawano H, Sada A, Minagawa K, Nakamura Y, Mizuno S, Takahashi S, Matsui T, Katayama Y. FGF-23 from erythroblasts promotes hematopoietic progenitor mobilization. Blood 2021; 137:1457-1467. [PMID: 33512467 DOI: 10.1182/blood.2020007172] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 12/15/2020] [Indexed: 12/26/2022] Open
Abstract
Fibroblast growth factor 23 (FGF-23) hormone is produced by bone-embedded osteocytes and regulates phosphate homeostasis in kidneys. We found that administration of granulocyte colony-stimulating factor (G-CSF) to mice induced a rapid, substantial increase in FGF-23 messenger RNA in bone marrow (BM) cells. This increase originated mainly from CD45-Ter119+CD71+ erythroblasts. FGF-23 protein in BM extracellular fluid was markedly increased during G-CSF-induced hematopoietic progenitor cell (HPC) mobilization, but remained stable in the blood, with no change in the phosphate level. Consistent with the BM hypoxia induced by G-CSF, low oxygen concentration induced FGF-23 release from human erythroblast HUDEP-2 cells in vitro. The efficient mobilization induced by G-CSF decreased drastically in both FGF-23-/- and chimeric mice with FGF-23 deficiency, only in hematopoietic cells, but increased in osteocyte-specific FGF-23-/- mice. This finding suggests that erythroblast-derived, but not bone-derived, FGF-23 is needed to release HPCs from BM into the circulation. Mechanistically, FGF-23 did not influence CXCL-12 binding to CXCR-4 on progenitors but interfered with their transwell migration toward CXCL-12, which was canceled by FGF receptor inhibitors. These results suggest that BM erythroblasts facilitate G-CSF-induced HPC mobilization via FGF-23 production as an intrinsic suppressor of chemoattraction.
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Naik S, Shah N, Rakszawski K, Minagawa K, Mineishi S. Unusual Extra Nodal Patterns of Relapse Post CAR-T Therapy for High Grade B Cell Lymphoma. Transplant Cell Ther 2021. [DOI: 10.1016/s2666-6367(21)00541-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Shah N, Rakszawski K, Zheng H, Nickolich M, Naik S, Wirk B, Rybka W, Ehmann WC, Silar B, Vajdic C, Mackey G, Zhou S, Cioccio J, Bartock M, Shike H, Greiner RJ, Brown V, Hohl R, Claxton DF, Mineishi S, Minagawa K, Tuanquin L. Low Dose Total Body Irradiation (TBI) Plus Post-Transplant Cyclophosphamide As Graft-Versus-Host Disease (GVHD) Prophylaxis Facilitates Early Chimerism Achievement and a Tendency Towards Improved Disease-Free Survival in Alternative Donor Allogeneic Stem Cell Transplant. Transplant Cell Ther 2021. [DOI: 10.1016/s2666-6367(21)00425-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cioccio J, Rakszawski K, Zheng H, Nickolich M, Naik S, Wirk B, Rybka W, Ehmann WC, Silar B, Vajdic C, Mackey G, Shah N, Bartock M, Shike H, Tuanquin L, Greiner RJ, Brown V, Hohl R, Claxton DF, Mineishi S, Minagawa K. Post-Transplant Cyclophosphamide As GVHD Prophylaxis Eliminates GVHD Mortality and Improves Overall Survival in Alternative Donor Allogeneic Stem Cell Transplant. Transplant Cell Ther 2021. [DOI: 10.1016/s2666-6367(21)00301-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Shah N, Rakszawski K, Nickolich M, Ehmann WC, Wirk B, Naik S, Rybka W, Zheng H, Mierski J, Silar B, Mackey G, Greiner RJ, Brown V, Claxton DF, Mineishi S, Minagawa K. Improved Outcome for AML Relapse after Allogeneic Transplant with High Intensity Chemotherapy Followed By 2nd Allogeneic Stem Cell Transplant or Donor Lymphocyte Infusion; A Retrospective Analysis. Biol Blood Marrow Transplant 2020. [DOI: 10.1016/j.bbmt.2019.12.601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Minagawa K, Al-Obaidi M, Di Stasi A. Generation of Suicide Gene-Modified Chimeric Antigen Receptor-Redirected T-Cells for Cancer Immunotherapy. Methods Mol Biol 2019; 1895:57-73. [PMID: 30539529 DOI: 10.1007/978-1-4939-8922-5_5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Chimeric antigen receptor (CAR)-redirected T-cells are a powerful tool for the treatment of several type of cancers; however, they can cause several adverse effects including cytokine release syndrome, off-target effects resulting in potentially fatal organ damage or even death. Particularly, for CAR T-cells redirected toward acute myeloid leukemia (AML) antigens myelosuppression can be a challenge. The previously validated inducible Caspase9 (iC9) suicide gene system is one of the approaches to control the infused cells in vivo through its activation with a nontherapeutic chemical inducer of dimerizer (CID). We performed a preclinical validation using a model of CD33+ AML, and generated iC9 CAR T-cells co-expressing a CAR targeting the AML-associated antigen CD33 and a selectable marker (ΔCD19). ΔCD19 selected (sel.) iC9-CAR.CD33 T-cells were effective in controlling leukemia growth in vitro, and could be partially eliminated (76%) using a chemical inducer of dimerization that activates iC9. Moreover, to completely eliminate residual cells, a second targeted agent was added. Future plans with these methods are to investigate the utility of iC9-CAR.CD33 T-cells as part of the conditioning therapy for an allogeneic hematopoietic stem cell transplant. Additional strategies that we are currently validating include (1) the modulation of the suicide gene activation, using different concentrations of the inducing agent(s), to be able to eliminate CAR T-cells modified by a regulatable gene, ideally aiming at preserving a proportion of the infused cells (and their antitumor activity) for mild to moderate toxicities, or (2) the co-expression of an inhibitory CAR aiming at sparing normal cells co-expressing an antigen not shared with the tumor.
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Wakahashi S, Kawakami F, Wakahashi K, Minagawa K, Matsuo K, Katayama Y, Yamada H, Matsui T, Sudo T. Transformed Follicular Lymphoma (TFL) Predicts Outcome in Advanced Endometrial Cancer. Cancer Epidemiol Biomarkers Prev 2018; 27:963-969. [PMID: 29784731 DOI: 10.1158/1055-9965.epi-17-0762] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 02/13/2018] [Accepted: 05/15/2018] [Indexed: 11/16/2022] Open
Abstract
Background: Transformed follicular lymphoma (TFL, ZC3H12D) was identified as a candidate tumor suppressor gene that contributes to cell-cycle arrest through regulation of Rb phosphorylation, but the clinical impact of TFL is unknown. The goal of this study was to evaluate the prognostic significance of TFL expression in advanced endometrial cancer.Methods: Tissue samples were obtained from 103 patients with Federation Internationale des Gynaecologistes et Obstetristes stage III-IV endometrial cancer. Associations between TFL expression and outcomes were evaluated using the Kaplan-Meier method and multivariate Cox proportional hazards regression models.Results: There were 24 TFL-low cases (23.3%) and the 10-year progression-free survival (PFS) and overall survival (OS) in these cases were lower than those for patients with normal TFL expression in univariate analysis (PFS, P = 0.003; OS, P = 0.106). In multivariate analysis, TFL status was a significant predictor for PFS [HR = 2.76; 95% confidence interval (CI), 1.45-5.28; P = 0.002] and OS (HR = 1.94; 95% CI, 0.91-4.11; P = 0.085), adjusted for covariates. The TFL gene maps to human chromosome 6q25.1, where estrogen receptor alpha (ERα) gene ESR1 is also located. Lack of ERα expression is a poor prognostic factor in early endometrial cancer. Among 41 ERα-low patients, 10-year PFS was significantly lower in 15 TFL-low cases (univariate analysis, P = 0.055; multivariate analysis, HR = 4.70; 95% CI, 1.68-13.20; P = 0.003).Conclusions: We identified TFL as a strong independent prognostic factor, regardless of ERα status.Impact: An investigation of the mechanism underlying tumor suppression by TFL may lead to new therapies for patients with advanced endometrial cancer. Cancer Epidemiol Biomarkers Prev; 27(8); 963-9. ©2018 AACR.
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Iwasaki M, Yoshihara A, Sato N, Sato M, Minagawa K, Shimada M, Nishimuta M, Ansai T, Yoshitake Y, Ono T, Miyazaki H. A 5-year longitudinal study of association of maximum bite force with development of frailty in community-dwelling older adults. J Oral Rehabil 2017; 45:17-24. [PMID: 28965370 DOI: 10.1111/joor.12578] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2017] [Indexed: 11/30/2022]
Abstract
To determine whether maximum bite force (MBF), an objective measure of oral function, is associated with development of frailty in community-dwelling older adults. This prospective cohort study included community-dwelling Japanese adults aged 75 years at baseline (n = 322). Baseline MBF was measured using an electronic recording device (Occlusal Force-Meter GM10). Follow-up examinations, including physical fitness and anthropometric evaluation and structured questionnaires, were administered annually over a 5-year period to determine the incidence of frailty, which was defined by the presence of 3 or more of the following 5 components derived from the Cardiovascular Health Study: low level of mobility, low physical activity level, weakness, shrinking and poor endurance and energy. Adjusted hazard ratios (HRs) of incidence of frailty according to sex-stratified tertiles of baseline MBF were calculated using Cox proportional hazards regression models. During the follow-up, 49 participants (15.2%) developed frailty. Participants in the lower tertile of MBF exhibited a significantly greater risk of frailty than those in the upper tertile. After adjustment for sex, depression, diabetes and Eichner index, the adjusted HRs for frailty in the upper through lower tertiles of MBF were 1.00 (reference), 1.27 (95% confidence interval [CI]: 0.50-3.20) and 2.78 (95% CI: 1.15-6.72), respectively (P for trend = .01). Poor oral function, as indicated by low MBF, increases the risk of development of frailty among elderly men and women.
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Ube T, Minagawa K, Ikeda T. Interpenetrating polymer networks of liquid-crystalline azobenzene polymers and poly(dimethylsiloxane) as photomobile materials. SOFT MATTER 2017; 13:5820-5823. [PMID: 28848977 DOI: 10.1039/c7sm01412k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We developed photomobile polymer materials with interpenetrating polymer network (IPN) structures composed of crosslinked liquid-crystalline azobenzene polymer (PAzo) and poly(dimethylsiloxane) (PDMS). By introducing PDMS into a PAzo template network, IPN was formed without disturbing the alignment of mesogens in the PAzo network. The films showed macroscopic bending behavior upon irradiation with UV and visible light. Although the IPN film showed a phase separated structure, the bending speed was significantly enhanced compared with the pristine film of PAzo, thanks to the soft nature of PDMS. The present method of preparing IPNs can be a promising approach to combine PAzo with various polymers and enhance the mechanical and photoresponsive properties.
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