Hiroshi Kikuchi’s research while affiliated with Nagasaki University and other places

What is this page?


This page lists works of an author who doesn't have a ResearchGate profile or hasn't added the works to their profile yet. It is automatically generated from public (personal) data to further our legitimate goal of comprehensive and accurate scientific recordkeeping. If you are this author and want this page removed, please let us know.

Publications (33)


High Incidence of Cytomegalovirus, Human Herpesvirus-6, and Epstein-Barr Virus Reactivation in Patients Receiving Cytotoxic Chemotherapy for Adult T Cell Leukemia
  • Article

April 2011

·

48 Reads

·

36 Citations

Journal of Medical Virology

Masao Ogata

·

Takako Satou

·

·

[...]

·

Jun-ichi Kadota

The etiology of cytomegalovirus (CMV), human herpesvirus-6 (HHV-6), and Epstein-Barr virus (EBV) reactivation and the potential for complications following cytotoxic chemotherapy in the absence of allogeneic transplantation are not clearly understood. Patients with adult T cell leukemia (ATL) are susceptible to opportunistic infections. In this study, the incidence, kinetics and clinical significance of reactivation of CMV, HHV-6, and EBV in ATL patients were investigated. Viral DNA in a total of 468 plasma samples from 34 patients was quantified using real-time PCR. The probability of CMV, HHV-6, and EBV reactivation by 100 days after the start of chemotherapy was 50.6%, 52.3%, and 21.6%, respectively. Although most CMV reactivations were self-limited, plasma CMV DNA tended to persist or increase if the CMV DNA levels in plasma reached ≥ 10(4) copies/ml. CMV reactivation was negatively associated with survival, but the P-value for this association was near the borderline of statistical significance (P=0.052). One patient developed fatal interstitial pneumonia concomitant with peak CMV DNA accumulation (1.6 × 10(6)  copies/ml plasma). Most HHV-6 and EBV reactivations were self-limited, and no disease resulting from HHV-6 or EBV was confirmed. HHV-6 and EBV reactivation were not associated with reduced survival (P=0.35 and 0.11, respectively). These findings demonstrated that subclinical reactivation of CMV, HHV-6, and EBV were common in ATL patients receiving chemotherapy. There were differences in the viral reactivation patterns among the three viruses. A CMV load ≥ 10(4) copies/ml plasma was indicative of subsequent exacerbation of CMV reactivation and developing serious clinical course.


Human T-cell leukemia virus type I (HTLV-1) proviral load and disease progression in asymptomatic HTLV-1 carriers: A nationwide prospective study in Japan

May 2010

·

51 Reads

·

319 Citations

Blood

Definitive risk factors for the development of adult T-cell leukemia (ATL) among asymptomatic human T-cell leukemia virus type I (HTLV-1) carriers remain unclear. Recently, HTLV-1 proviral loads have been evaluated as important predictors of ATL, but a few small prospective studies have been conducted. We prospectively evaluated 1218 asymptomatic HTLV-1 carriers (426 males and 792 females) who were enrolled during 2002 to 2008. The proviral load at enrollment was significantly higher in males than females (median, 2.10 vs 1.39 copies/100 peripheral blood mononuclear cells [PBMCs]; P < .001), in those 40 to 49 and 50 to 59 years of age than that of those 40 years of age and younger (P = .02 and .007, respectively), and in those with a family history of ATL than those without the history (median, 2.32 vs 1.33 copies/100 PBMCs; P = .005). During follow-up, 14 participants progressed to overt ATL. Their baseline proviral load was high (range, 4.17-28.58 copies/100 PBMCs). None developed ATL among those with a baseline proviral load lower than approximately 4 copies. Multivariate Cox analyses indicated that not only a higher proviral load, advanced age, family history of ATL, and first opportunity for HTLV-1 testing during treatment for other diseases were independent risk factors for progression of ATL.








Bronchiolitis Obliterans Organizing Pneumonia After Bone Marrow Transplantation: Association With Human Leukocyte Antigens

January 2007

·

13 Reads

·

13 Citations

Journal of Computer Assisted Tomography

This is the first study reporting the relationship between the development of bronchiolitis obliterans organizing pneumonia (BOOP) and human leukocyte antigen (HLA) in patients with bone marrow transplantation (BMT). The HLA B35 was significantly higher in patients with BOOP than in patients without BOOP after BMT (P = 0.0069). The HLA B35 is important as a host factor for the generation of BOOP after BMT. To assess the relationship between the development of BOOP after BMT and HLA. We retrospectively reviewed clinical features and chest computed tomographic scans in 64 patients who underwent allogeneic BMT between March 1990 and September 2004, and evaluated the relationship between HLA and development of BOOP. Development of BOOP was between days 22 and 347 (mean, 114 days). The common computed tomographic findings consisted of patchy consolidation in subpleural and/or peribronchovascular distributions. Frequency of HLA B35 in patients with BOOP development after BMT was significantly higher than in patients without BOOP after BMT (P = 0.0069). There were no significant relationships between the others of this antigen and BOOP development. Our results suggested that HLA B35 is an important host factor for the generation of BOOP after BMT.



Citations (21)


... In total, 60 clinical samples from 29 individuals were used, including 9 cross-sectional samples [27], 4 longitudinal samples, and 47 longitudinal samples described in [20] and [42], respectively. All clinical materials were collected by the Joint Study on Predisposing Factors of ATL Development (JSPFAD) [46,47]. HTLV-1-infected individuals were diagnosed based on the Shimoyama criteria [48]. ...

Reference:

Inferring clonal structure in HTLV-1-infected individuals: towards bridging the gap between analysis and visualization
Nationwide cohort study of HTLV-1 carriers in Japan: Joint study on predisposing factors of ATL development (JSPFAD)
  • Citing Conference Paper
  • April 2007

AIDS Research and Human Retroviruses

... Human T cell leukemia is the deadliest form of cancer with few treatment options to patients with advanced metastatic disease. It has a very poor prediction [1][2][3] as the patients are usually highly immunocompromised and suffer from systematic painful disorders. Evidence have been provided that a correlation between chemokine receptor expression and prognosis has been found in cancers [4] . ...

An Intensive Chemotherapy of Adult T-Cell Leukemia/Lymphoma: CHOP Followed by Etoposide, Vindesine, Ranimustine, and Mitoxantrone with Granulocyte Colony-Stimulating Factor Support
  • Citing Article
  • June 1996

JAIDS Journal of Acquired Immune Deficiency Syndromes

... 7.1.6. Trisomy 8 BD has increasingly been recognised in association with constitutional trisomy 8 mosaicism and acquired trisomy 8 secondary to myelodysplastic syndromes in adults [110,111]. Activation of the NF-κB pathway might be the underlying pathology for the BD-like phenotype in these patients [112]. ...

Beh�et's disease associated with myelodysplastic syndromes
  • Citing Article
  • January 1997

... Gastric adenocarcinoma is not consid- ered a HIV-related malignancy, being an unusual presentation of tumors in these patients. 24 In summary, we have demonstrated that gastroduodenal ero- sions and ulcers were not frequent in HIV-infected patients under HAART with dyspeptic symptoms. We have also shown a reversed association between H. pylori infection and immune deterioration. ...

Gastrectomy for a patient with early gastric cancer and human immunodeficiency virus (HIV) infection
  • Citing Article
  • Full-text available
  • January 2001

Gastric Cancer

... # All patients who developed aGVHD developed within 100 days after transplant. CD4 + T-cell function caused by human T-cell leukemia virus type 1 infection [17,18]. A higher post-transplant incidence of CMV infection among transplant recipients with ATLL has been reported [19,20], and the results of our present analyses demonstrated a higher susceptibility to late CMV disease in patients with ATLL, indicating that immunodeficiency in ATLL patients could not recover even late after transplant. ...

High Incidence of Cytomegalovirus, Human Herpesvirus-6, and Epstein-Barr Virus Reactivation in Patients Receiving Cytotoxic Chemotherapy for Adult T Cell Leukemia
  • Citing Article
  • April 2011

Journal of Medical Virology

... The cause of death was non-ATL malignancy in 20 and 4.9 % of patients with smoldering-and chronic-types ATL, respectively, which was the second most common cause of death in smoldering [15]. The trigger for ATL diagnosis was unknown in these studies; however, HTLV-1 carrier-only analysis conducted in a previous study indicated a situation wherein the examination of the anti-HTLV-1 antibody was noted during the treatment for other diseases [52]. It is unknown whether the treatment of non-hematological malignancies was preceded by the diagnosis of indolent ATL in the 11th Nation-wide Survey Study; however, follow-up care, including workup to assess the complications of non-hematological malignancies and cancer screening, might be considered in the management of indolent ATL. ...

Human T-cell leukemia virus type I (HTLV-1) proviral load and disease progression in asymptomatic HTLV-1 carriers: A nationwide prospective study in Japan
  • Citing Article
  • May 2010

Blood

... DISCUSSION: Due to its distinct biological and clinicopathological features, PEL has been recognised as an independent lymphoproliferative malignancy-with a large cell morphology, B-cell genotype and tendency to infiltrate serous mucosa causing effusions without any tumoural mass or LAP. [1][2][3][4][5][6][7][8] More specifically, it is defined as a lymphoma of the post-germinal centre, pre-terminally differentiated Bcells. 2 PEL became salient around 1995, after which there has been much effort to clarify its, yet uncertain, obscure pathogenesis. By and large, HHV-8 and EBV are the leading suspective aetiological factors. ...

Primary effusion lymphoma with B-cell phenotype
  • Citing Article
  • September 2000

American Journal of Hematology

... del (6) identification. [54][55][56][57][58] However, because CD56 expression has been identified in approximately 20% of patients with acute myeloid leukemia (AML), 59 the features of immature cytologic appearance and the presence of myeloid antigen without light-microscopic MPO reactivity in this type of leukemia overlap with those in AML with minimal differentiation (French-American-British classification, AML-M0). ...

Myeloid/natural killer cell precursor acute leukaemia with minor BCR/ABL mRNA transcript [2]
  • Citing Article
  • September 2002

... Homing of neoplastic NK cells to body cavities has been outlined recently in NK cell neoplasms, including ANKL, creating a differential diagnosis with primary effusion lymphoma [37][38][39][40]. This differential diagnosis can be addressed successfully by using flow cytometry immunophenotyping when morphologic examination is impeded or is of limited value [36]. ...

Natural killer cell-type body cavity lymphoma following chronic active Epstein-Barr virus infection
  • Citing Article
  • June 2003

... nPCR utilizes two amplification rounds to significantly increase specificity and sensitivity. However, which is more suitable for HCMV infection monitoring is still under debate given that the results of many appropriate reports are contraindicatory ( Ikewaki et al., 2003;Botero et al., 2008). Zhang et al. (2010) compared two PCR techniques, qPCR and nPCR, for detecting HCMV DNA in 106 blood samples from 66 patients with potential HCMV infections. ...

Real-Time PCR Assay Compared to Nested PCR and Antigenemia Assays for Detecting Cytomegalovirus Reactivation in Adult T-Cell Leukemia-Lymphoma Patients