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Successful treatment of a preterm infant with congenital juvenile xanthogranuloma presenting as a large intracranial tumor. Pediatr Blood Cancer 2024; 71:e31003. [PMID: 38605542 DOI: 10.1002/pbc.31003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 04/13/2024]
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Green Urine in the Diaper: A Key Indicator for Diagnosing Hemolytic anemia. J Pediatr 2024; 266:113856. [PMID: 38006966 DOI: 10.1016/j.jpeds.2023.113856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 11/27/2023]
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Assessment of anthracycline-induced cardiotoxicity in childhood cancer survivors during long-term follow-up using strain analysis and intraventricular pressure gradient measurements. Heart Vessels 2024; 39:105-116. [PMID: 37973710 DOI: 10.1007/s00380-023-02312-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 09/06/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Cardiac dysfunction due to cardiotoxicity from anthracycline chemotherapy is a leading cause of morbidity and mortality in childhood cancer survivors (CCS), and the cumulative incidence of cardiac events has continued to increase. This study identifies an adequate indicator of cardiac dysfunction during long-term follow-up. PROCEDURE In total, 116 patients (median age: 15.5 [range: 4.7-40.2] years) with childhood cancer who were treated with anthracycline were divided into three age groups for analysis (C1: 4-12 years of age, C2: 13-18 years of age, C3: 19-40 years of age), and 116 control patients of similar ages were divided into three corresponding groups (N1, N2, and N3). Layer-specific strains were assessed for longitudinal strain (LS) and circumferential strain (CS). The total and segmental intraventricular pressure gradients (IVPG) were also calculated based on Doppler imaging of the mitral inflow using Euler's equation. RESULTS Conventional echocardiographic parameters were not significantly different between the patients and controls. All layers of the LS and inner and middle layers of the basal and papillary CS in all ages and all IVPGs in C2 and C3 decreased compared to those of corresponding age groups. Interestingly, basal CS and basal IVPG in CCS showed moderate correlation and both tended to rapidly decrease with aging. Furthermore, basal IVPG and anthracycline dose showed significant correlations. CONCLUSIONS Basal CS and total and basal IVPGs may be particularly useful indicators of cardiotoxicity in long-term follow-up.
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Recurrent spinal atypical teratoid/rhabdoid tumor with pulmonary metastasis. Cancer Rep (Hoboken) 2024; 7:e1975. [PMID: 38217390 PMCID: PMC10850004 DOI: 10.1002/cnr2.1975] [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: 08/21/2023] [Revised: 11/29/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024] Open
Abstract
BACKGROUND Atypical teratoid/rhabdoid tumors (ATRT) are aggressive pediatric central nervous system malignancies that predominantly affect the brain and have poor survival outcomes. However, spinal ATRT is an uncommon subset of ATRT, and its clinical course and management are poorly understood. CASE We describe a case of spinal ATRT in a previously healthy 5-year-old girl who initially presented with rapid-onset gait disturbance. Magnetic resonance imaging (MRI) revealed an extramedullary tumor at thoracic level 5 (T5) without bony destruction or metastasis. The patient partially recovered after surgical resection. One month was required for a definitive diagnosis, and the pathology confirmed ATRT characterized by the loss of INI-1 protein expression. Chemoradiotherapy with local irradiation and high-dose chemotherapy with autologous peripheral blood stem cell transplantation led to complete remission and functional recovery for 5 months. However, the condition exhibited progression in the cerebrospinal fluid (CSF) region, resulting in cerebellar, cerebral, and spinal tumor development. Eventually, the disease metastasized to the lungs and disseminated to the entire cerebrospinal cord and fluid. The patient died 15 months after the initial diagnosis. CONCLUSION This case emphasizes the importance of considering ATRT as a potential diagnostic modality for pediatric spinal cord tumors, enabling prompt multidisciplinary intervention. The heterogeneous appearance of spinal ATRT may make distinguishing it from other spinal tumors difficult, resulting in delayed diagnosis and treatment. The treatment approach for ATRT remains challenging with no established standards. Local irradiation may be preferable to minimize neurodevelopmental effects, and initial craniospinal irradiation may potentially prevent recurrence. Our case emphasizes the likelihood of extracranial metastasis in ATRT, thereby highlighting the importance of a comprehensive assessment of both genetic and epigenetic profiles to identify any factors that may influence the clinical course of this disease. Prompt diagnosis and comprehensive therapeutic strategies are critical for improving outcomes in spinal ATRT patients.
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Germinoma with optic nerve involvement: A rare case of progressive vision loss misdiagnosed as psychogenic vision loss. Pediatr Blood Cancer 2023; 70:e30635. [PMID: 37596910 DOI: 10.1002/pbc.30635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/21/2023]
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Lactate dehydrogenase reflects the status of ultra-high-risk neuroblastoma in a child under treatment. Pediatr Blood Cancer 2023:e30373. [PMID: 37092901 DOI: 10.1002/pbc.30373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 04/25/2023]
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Assessment of anthracycline-induced cardiotoxicity in patients with childhood cancer survivor for long-term follow-up. Eur Heart J Cardiovasc Imaging 2022. [DOI: 10.1093/ehjci/jeab289.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Anthracycline cardiotoxicity is an important prognostic determinant in childhood cancer survivors (CCSs). That has been reported to improve with early therapeutic intervention, and because it is dose-dependent and progressive, early diagnosis and long-term follow-up are important. In adult survivors of cancer, the longitudinal strain (LS) is useful as a sensitive index of cardiac function. In childhood cancer survivors, strain abnormalities are also observed at both short-term and long-term follow-up. Global longitudinal strain (GLS) abnormalities are common during or early after chemotherapy, whereas changes in global circumferential strain (GCS) are more significant and consistent on long-term follow-up.
Purpose
In this study, we aimed to conduct a cross-sectional study using strain analysis in childhood cancer survivors of a wide age range to clarify the mode of progression of anthracycline-induced cardiotoxicity and to identify useful indicators for long-term follow-up.
Methods
In total, 116 patients (median age: 15.5 [range: 4.7-40.2] years) with childhood cancer who had passed at least 1 year after chemotherapy with anthracycline, and 116 control patients of similar age. Strain measurements were assessed for longitudinal strain (LS) and circumferential strain at the apical, papillary and basal levels using speckle tracking imaging. Estimated value at 5, 15, 25 and 35 years old were mathematically calculated.
Results
Results were shown in tables and figures. Most of conventional echocardiographic parameters were not significantly different between CCCs and controls. LS, papillary CS and basal CS in CCCs decreased compared to normal controls at all age. The difference of estimated value between CCCs and normal controls in LS at all age were relatively constant. However, those in basal CS tended to increase with aging. Furthermore, basal CS in CCCs decreased with aging (r = 0.212, p < 0.001) and the duration after completion of anthracycline treatment (r = -0.244, p < 0.008).
Conclusions
In childhood cancer survivors, strain analysis is a more sensitive indicators of cardiac function than conventional parameters. In addition, basal CS may decrease most markedly over time and could be useful indicator in long-term follow-up. Longitudinal studies should be conducted in the future to improve the accuracy of predicting anthracycline cardiotoxicity. These are new findings regarding the decline in cardiac function in childhood cancer survivors. Abstract Figure. Relationship between age and strains Abstract Figure. Estimated values for each age group
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ETMR-15. USE OF HIGH-DOSE CHEMOTHERAPY FOR TWO CHILDREN WITH EMBRYONAL TUMOR WITH MULTILAYERED ROSETTES. Neuro Oncol 2020. [PMCID: PMC7715158 DOI: 10.1093/neuonc/noaa222.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Embryonal tumor with multilayered rosettes (ETMR) is new entity defined in the 4th revised edition of the WHO classification of tumors of the central nervous system. Although radical resection, radiotherapy, and multiagent chemotherapy are considered to be necessary for ETMR, the efficacy of chemotherapy for ETMR in Japan has not been established. Here, we report different clinical courses for two children with localized ETMR treated with the St. Jude medulloblastoma-96 (SJMB96) regimen, which consists of four cycles of high-dose chemotherapy with autologous peripheral blood stem cell transplantation. For both children, the diagnosis of ETMR, C19MC-altered was confirmed after gross total tumor resection. Multiagent chemotherapy was administered following cranio-spinal irradiation with local boost. One month after completion of the treatment, one patient experienced local recurrence but has been in remission for over 2 years after tumor resection and stereotactic irradiation with a CyberKnife and treatment every three weeks with bevacizumab. The other patient also experienced local recurrence after the third cycle of chemotherapy and several times thereafter. Although she again underwent tumor resection and local irradiation, her tumor grew larger and invaded. Because her prognosis was very poor, her parents choose only palliative care. Based on our experience, we believe that continuous chemotherapy at conventional doses is preferred over intensive-dose chemotherapy such as SJMB96. However, the number of reports on chemotherapy for ETMR is still small, and a prospective multicenter trial is needed to establish effective chemotherapy for ETMR.
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MBCL-48. OUTCOMES OF TREATMENT BASED ON THE ST. JUDE MEDULLOBLASTOMA-96 REGIMEN FOR JAPANESE CHILDREN WITH MEDULLOBLASTOMA. Neuro Oncol 2020. [PMCID: PMC7715938 DOI: 10.1093/neuonc/noaa222.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Medulloblastoma is a type of malignant embryonal tumor in childhood that is considered to require multiagent chemotherapy followed by radical resection and craniospinal irradiation (CSI). However, the outcomes of chemotherapy for this tumor in Japan are unclear. Here, we performed a multicenter retrospective study to determine the prognosis of pediatric medulloblastoma patients in Japan treated with the St. Jude medulloblastoma-96 (SJMB96) regimen. Thirty patients with newly diagnosed medulloblastoma received treatment with the SJMB96 regimen at Juntendo University Hospital in Tokyo (n=10), Saitama Medical University International Medical Center in Saitama (n=10), and Tohoku University Hospital in Miyagi (n=10) from 2011 to 2018. All patients underwent tumor resection and CSI, with radiation doses of 23.4Gy for standard-risk patients (n=11) and 39.6Gy for high-risk patients (n=19). Six weeks after radiation therapy, patients received four cycles of high-dose chemotherapy with autologous peripheral blood stem cell transplantation according to the SJMB96 regimen. We found that 5-year overall survival was 80.8% among standard-risk patients and 74.2% among high-risk patients. No treatment-related deaths occurred. Eight patients who experienced recurrence died within 80 months of diagnosis. As these treatment outcomes are comparable to those previously reported outside of Japan, our findings indicate that this regimen is a therapeutic option for medulloblastoma patients in Japan.
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EP300-ZNF384 fusion gene product up-regulates GATA3 gene expression and induces hematopoietic stem cell gene expression signature in B-cell precursor acute lymphoblastic leukemia cells. Int J Hematol 2017; 106:269-281. [PMID: 28378055 DOI: 10.1007/s12185-017-2220-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 03/20/2017] [Accepted: 03/21/2017] [Indexed: 01/08/2023]
Abstract
ZNF384-related fusion genes are associated with a distinct subgroup of B-cell precursor acute lymphoblastic leukemias in childhood, with a frequency of approximately 3-4%. We previously identified a novel EP300-ZNF384 fusion gene. Patients with the ZNF384-related fusion gene exhibit a hematopoietic stem cell (HSC) gene expression signature and characteristic immunophenotype with negative or low expression of CD10 and aberrant expression of myeloid antigens, such as CD33 and CD13. However, the molecular basis of this pathogenesis remains completely unknown. In the present study, we examined the biological effects of EP300-ZNF384 expression induced by retrovirus-mediated gene transduction in an REH B-cell precursor acute lymphoblastic leukemia cell line, and observed the acquisition of the HSC gene expression signature and an up-regulation of GATA3 gene expression, as assessed by microarray analysis. In contrast, the gene expression profile induced by wild-type ZNF384 in REH cells was significantly different from that by EP300-ZNF384 expression. Together with the results of reporter assays, which revealed the enhancement of GATA3-promoter activity by EP300-ZNF384 expression, these findings suggest that EP300-ZNF384 mediates GATA3 gene expression and may be involved in the acquisition of the HSC gene expression signature and characteristic immunophenotype in B-cell precursor acute lymphoblastic leukemia cells.
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ZNF384-related fusion genes define a subgroup of childhood B-cell precursor acute lymphoblastic leukemia with a characteristic immunotype. Haematologica 2016; 102:118-129. [PMID: 27634205 DOI: 10.3324/haematol.2016.151035] [Citation(s) in RCA: 188] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 09/14/2016] [Indexed: 01/19/2023] Open
Abstract
Fusion genes involving ZNF384 have recently been identified in B-cell precursor acute lymphoblastic leukemia, and 7 fusion partners have been reported. We further characterized this type of fusion gene by whole transcriptome sequencing and/or polymerase chain reaction. In addition to previously reported genes, we identified BMP2K as a novel fusion partner for ZNF384 Including the EP300-ZNF384 that we reported recently, the total frequency of ZNF384-related fusion genes was 4.1% in 291 B-cell precursor acute lymphoblastic leukemia patients enrolled in a single clinical trial, and TCF3-ZNF384 was the most recurrent, with a frequency of 2.4%. The characteristic immunophenotype of weak CD10 and aberrant CD13 and/or CD33 expression was revealed to be a common feature of the leukemic cells harboring ZNF384-related fusion genes. The signature gene expression profile in TCF3-ZNF384-positive patients was enriched in hematopoietic stem cell features and related to that of EP300-ZNF384-positive patients, but was significantly distinct from that of TCF3-PBX1-positive and ZNF384-fusion-negative patients. However, clinical features of TCF3-ZNF384-positive patients are markedly different from those of EP300-ZNF384-positive patients, exhibiting higher cell counts and a younger age at presentation. TCF3-ZNF384-positive patients revealed a significantly poorer steroid response and a higher frequency of relapse, and the additional activating mutations in RAS signaling pathway genes were detected by whole exome analysis in some of the cases. Our observations indicate that ZNF384-related fusion genes consist of a distinct subgroup of B-cell precursor acute lymphoblastic leukemia with a characteristic immunophenotype, while the clinical features depend on the functional properties of individual fusion partners.
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Comparison of Phosphate Binding Capacities of PA21, A Novel Phosphate Binder, with those of other Phosphate Binders in vitro and in vivo. Drug Res (Stuttg) 2016; 66:262-9. [PMID: 26761712 DOI: 10.1055/s-0035-1569328] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE The phosphate binding capacity of PA21, a novel phosphate binder, was compared with those of other phosphate binders in vitro and in vivo. METHODS 1) For in vitro studies, PA21, sevelamer hydrochloride, lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate were incubated with a phosphate solution at 37°C for 2 h. Phosphate binding capacity was assessed at simulated gastrointestinal tract pH levels of 2, 5, and 8 for estimation of clinical effects, and the quantity of phosphate adsorbed by each phosphate binder was determined. 2) For in vivo studies, rats were orally administered various phosphate binders after the oral administration of phosphate solution (100 mg/kg) adjusted to pH 2, 5, or 8, and the effects of PA21 and other phosphate binders on the serum phosphorus level of the rats were investigated. RESULTS 1) The in vitro studies revealed that PA21 and sevelamer hydrochloride adsorbed phosphate better at all tested pH levels than lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate, and PA21 showed the most potent phosphate binding capacity among the tested compounds. 2) The in vivo studies showed that PA21 dose-dependently inhibited the increase in the serum phosphorus level after the administration of phosphate solution and no difference in the extent of inhibition by PA21 was observed at the different pH levels (in contrast to other phosphate binders). CONCLUSION These results indicated that PA21 has a phosphate binding capacity over the entire pH range of the GI tract.
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Ph-like ALL-related novel fusion kinase ATF7IP-PDGFRB exhibits high sensitivity to tyrosine kinase inhibitors in murine cells. Exp Hematol 2015; 44:177-88.e5. [PMID: 26703895 DOI: 10.1016/j.exphem.2015.11.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 11/27/2022]
Abstract
ATF7IP-PDGFRB is a novel PDGFRB-related fusion gene identified in B-cell precursor acute lymphoblastic leukemia (BCP-ALL) with a signature similar to that of Ph1 ALL, so-called Ph-like ALL. When we introduced ATF7IP-PDGFRB, murine Ba/F3 cells acquired the ability to proliferate in an interleukin (IL)-3-independent manner. On the contrary, the expression of wild-type PDGFRB is not sufficient to acquire the ability for IL-3-independent proliferation in Ba/F3 cells. The introduction of ATF7IP-PDGFRB also induces a typical gene expression profile for Ph1-ALL in Ba/F3 cells. A series of biochemical and cell biological experiments revealed the constitutive activation of ATF7IP-PDGFRB as well as downstream signaling molecules, including AKT and MAPK. Although the phosphoinositide 3-kinase inhibitor led to cell death in both cells into which ATF7IP-PDGFRB had been introduced and IL-3-maintained Mock cells, MEK inhibitor selectively led to cell death into which ATF7IP-PDGFRB had been introduced. The introduction of tyrosine to phenylalanine mutations at binding sites of adaptor molecules important in the MAPK pathway located in the PDGFRB portion abolished ATF7IP-PDGFRB-mediated cell transformation, suggesting that MAPK-mediated signals are critical in ATF7IP-PDGFRB-mediated cell transformation. On treatment with tyrosine kinase inhibitors, ATF7IP-PDGFRB-expressing, but not Mock, Ba/F3 cells underwent rapid apoptosis accompanied by reduced phosphorylation of MAPK. Importantly, the sensitivity of ATF7IP-PDGFRB-expressing Ba/F3 cells to imatinib is significantly higher than that of BCR-ABL1-transformed Ba/F3 cells, as assessed by the IC50. Taken together, ATF7IP-PDGFRB has transforming potential via the constitutive activation of MAPK and participates in the pathogenesis of Ph-like ALL. Our observations suggest the therapeutic importance of tyrosine kinase inhibitors and possibly MEK inhibitor for a subset of BCP-ALL harboring PDGFRB-related fusion kinases.
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Abstract
Lichen planus annularis is a relatively rare skin manifestation of lichen planus. The mechanisms in the formation of annular lesions are not fully understood. We reported here a 57-year-old female with this disease. The eruption initially occurred as lichen-papules, then enlarged (bean-sized, umbilicated small plaques), and finally developed annular manifestations. We performed immunohistochemical examinations of specimens taken from different types of eruptions. In all specimens, HLA-DR was expressed in the focal keratinocytes adjacent to the dermal HLA-DR positive cell infiltration. Both in the initial papule and in the final annular lesion, expression of ICAM-1 was present only in the keratinocytes above the dermal cell infiltration, similar to HLA-DR. It is of interest that, in the umbilicated small plaques, the peripheral epidermis other than the central site extensively reacted to ICAM-1. LFA-1 expression was most prominent in the mononuclear cells impinging on the dermo-epidermal junction in all specimens. In addition, in the periphery of the umbilicated small plaques, which showed no bandlike dense cell infiltration nor degeneration of basement membrane, TNF-alpha, but not LFA-1, was positive in the infiltrated cells of the upper dermis. These results suggest that expressions of ICAM-1 and TNF-alpha in the peripheral keratinocytes and dermal infiltrated cells are important molecular events in the mechanisms of formation of the annular lesions.
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Efficacy of Mitiglinide Combined with Dapagliflozin in Streptozotocin-nicotinamide-induced Type 2 Diabetic Rats and in Zucker Fatty Rats. Drug Res (Stuttg) 2014; 65:416-21. [PMID: 25188606 DOI: 10.1055/s-0034-1387719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The efficacy of the combination of the rapid-acting insulin secretagogue mitiglinide and the sodium-glucose cotransporter 2 (SGLT2) inhibitor dapagliflozin was explored in streptozotocin-nicotinamide-induced type 2 diabetic (STZ-NA) rats and in Zucker fatty (ZF) rats. The STZ-NA rats were prepared at 8 weeks of age. At 9 weeks of age, the combination study was conducted by oral glucose tolerance test (OGTT). At 13 weeks of age, ZF rats were dosed orally with dapagliflozin once daily up to the 22(nd) day. At days 15 and 22, the combination study was conducted by OGTT. In 2 different animal models, plasma glucose levels were strongly suppressed by the combination of mitiglinide and dapagliflozin as compared with either drug alone. The urinary glucose excretion was drastically elevated in the dapagliflozin group, but the combination with mitiglinide suppressed it about 50%. In STZ-NA rats, the plasma insulin secretion by the combination of both drugs was about at the same level as in the mitiglinide group. In ZF rats, the plasma insulin secretion by the combination of both drugs was less than mitiglinide group. Thus, in 2 different animal models, the combination of mitiglinide and dapagliflozin showed stronger antihyperglycemic action accompanied by less insulin secretion than mitiglinide alone, and reduced the urinary glucose excretion as compared with dapagliflozin used alone. These results indicate that the combination of mitiglinide and dapagliflozin can be a promising combination for the treatment of diabetic patients.
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Endotoxin Activity Assay levels correlate with the microbiological results of Gram-negative organisms in septic patients. Crit Care 2014. [PMCID: PMC4273920 DOI: 10.1186/cc14076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Early diagnosis of sepsis due to Gram-negative infection with the Endotoxin Activity Assay. Crit Care 2014. [PMCID: PMC4273921 DOI: 10.1186/cc14077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Enteral administration of antiepileptic agents could have efficacy for prevention of post-traumatic seizures in severe traumatic brain injury. Crit Care 2014. [PMCID: PMC4069446 DOI: 10.1186/cc13671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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What do brain-dead patients ultimately die of? Crit Care 2014. [PMCID: PMC4069544 DOI: 10.1186/cc13655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Comparison of Advanced Airways in the Initial Airway Management of Out-of-Hospital Cardiac Arrest–Are There Any Differences?: SOS-KANTO 2012 Study Interim Report. Ann Emerg Med 2013. [DOI: 10.1016/j.annemergmed.2013.07.220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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End-of life thoughts in the ICU: results of a survey. Crit Care 2013. [PMCID: PMC3643145 DOI: 10.1186/cc12467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Antithrombin III concentrate therapy may have an efficacy in sepsis. Crit Care 2013. [PMCID: PMC3642955 DOI: 10.1186/cc11998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Polymyxin B-direct hemoperfusion therapy contributes to oxygen delivery in septic patients. Crit Care 2012. [PMCID: PMC3504858 DOI: 10.1186/cc11744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Basic study on a lower-energy defibrillation method using computer simulation and cultured myocardial cell models. CONFERENCE PROCEEDINGS : ... ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL CONFERENCE 2007; Suppl:6540-3. [PMID: 17959447 DOI: 10.1109/iembs.2006.260872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Computer simulation and myocardial cell models were used to evaluate a low-energy defibrillation technique. A generated spiral wave, considered to be a mechanism of fibrillation, and fibrillation were investigated using two myocardial sheet models: a two-dimensional computer simulation model and a two-dimensional experimental model. A new defibrillation technique that has few side effects, which are induced by the current passing into the patient's body, on cardiac muscle is desired. The purpose of the present study is to conduct a basic investigation into an efficient defibrillation method. In order to evaluate the defibrillation method, the propagation of excitation in the myocardial sheet is measured during the normal state and during fibrillation, respectively. The advantages of the low-energy defibrillation technique are then discussed based on the stimulation timing.
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Clausi C, Verdant C, Yaguchi A, Cozzi S, Zakariah A, Coelho J, Akieda K, Bruhn A, Melot C, Vincent J. Crit Care 2006; 10:P428. [DOI: 10.1186/cc4775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Yuzawa J, Suzuki T, Ishikawa M, Takeda M, Sasaki N, Yaguchi A. Crit Care 2005; 9:P406. [DOI: 10.1186/cc3469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
BACKGROUND Coagulation abnormalities and thrombocytopenia are common in severe sepsis, but sepsis-related alterations in platelet function are ill-defined. OBJECTIVES The purpose of this study was to elucidate the effect of sepsis on platelet aggregation, adhesiveness, and growth factor release. PATIENTS AND METHODS Agonist-induced platelet aggregation was measured in platelet-rich plasma separated from blood samples collected from 47 critically ill patients with sepsis of recent onset. Expression of platelet adhesion molecules was measured by flow cytometry and the release of vascular endothelial growth factor (VEGF) and platelet-derived growth factor (PDGF) was measured by ELISA in the supernatant of platelet aggregation. RESULTS Septic patients had consistently decreased platelet aggregation compared with controls, regardless of the platelet count, thrombin generation, or overt disseminated intravascular coagulation (DIC) status. The severity of sepsis correlated to the platelet aggregation defect. Adhesion molecules, receptor expression (CD42a, CD42b, CD36, CD29, PAR-1), and alpha-granule secretion detected by P-selectin expression remained unchanged but the release of growth factors was differentially regulated with increased VEGF and unchanged PDGF after agonist activation even in uncomplicated sepsis. CONCLUSIONS Sepsis decreases circulating platelets' hemostatic function, maintains adhesion molecule expression and secretion capability, and modulates growth factor production. These results suggest that sepsis alters the hemostatic function of the platelets and increases VEGF release in a thrombin-independent manner.
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Yuzawa J, Suzuki T, Ishikawa M, Takeda M, Yamada S, Sasaki N, Yaguchi A. Crit Care 2004; 8:P307. [DOI: 10.1186/cc2774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Takeda M, Yuzawa J, Suzuki T, Ishikawa M, Yaguchi A, Yamada S. Crit Care 2004; 8:P306. [DOI: 10.1186/cc2773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Lobo F, Pradier O, Wijns W, Yaguchi A, Lobo S, Vincent J. Crit Care 2001; 5:P91. [DOI: 10.1186/cc1424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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[Complications in home treatment of patients with severe disturbances of consciousness]. Gan To Kagaku Ryoho 2000; 27 Suppl 3:641-3. [PMID: 11190310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
We have been providing home treatment for patients with severe disturbance of consciousness requiring various medical treatments for about 10 years. In the 65 cases we have encountered, we studied complications during the course of the home treatment. The proportions of infections, decubiti and convulsions were found to be very high. With infections in particular, conditions worsened rapidly in many cases, so we made it a principle to have the patients hospitalized early. We also investigated changes in serum albumin levels, peripheral blood lymphocyte count and prognostic nutritional index (PNI). Patients who develop infections repeatedly and succumb to early death often show low values for PNI and lymphocyte count. The low values are considered useful as one indicator of the general conditions of patients under home treatment. For the management of patients with severe disturbances of consciousness, it is important to keep a close liaison with other departments or hospitals and strengthen home nursing sections.
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Abstract
In this study, in addition to studying the efficacy and safety of the once-daily administration of 100-mg capsules of fluconazole over an 8-week administration period with six patients with hyperkeratotic-type tinea pedis, we also measured the serum and horny layer concentrations of fluconazole to study the mobility into the horny layer in diseased areas of the sole skin. The final overall efficacy and overall safety were both 100% (six out of six), and no side-effects, including abnormal laboratory changes, were observed in any of the patients. The drug mobility study revealed that in the horny layer of the skin a steady state was reached after 4 weeks of administration, with the mean concentration being 12.8 micrograms g-1. This concentration was a high concentration that was no less than 13 times the geometric mean MIC (0.972 microgram ml-1) for fresh clinical isolates of Trichophyton rubrum. Based on the above results, fluconazole is considered to be highly useful for treating various kinds of dermatomycosis, including hyperkeratotic-type tinea pedis.
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188 Experimental animal model of metastatic extramammary Paget's carcinoma. J Dermatol Sci 1996. [DOI: 10.1016/0923-1811(96)89590-9] [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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Abstract
Percent ratios and absolute numbers of peripheral blood monocytes in patients with varicella and herpes zoster were determined and compared with those in patients with herpes simplex virus infection, measles and rubella. Monocytosis during the acute stage (p less than 0.01) was statistically significant in varicella and generalized and localized herpes zoster, compared with the levels in herpes simplex virus infection, measles and rubella. Absolute monocyte counts in varicella and HZ were significantly increased (p less than 0.02) beyond those of measles and rubella. The high % ratios of monocytes in varicella and herpes zoster during the acute stage decreased to normal ranges with cure.
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[Basic nursing care associated with bone marrow puncture]. KURINIKARU SUTADI = CLINICAL STUDY 1981; 2:60-6. [PMID: 6907592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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