Risk factors of recurrent lumbar disk herniation: a single center study and review of the literature

…, T Kobayashi, T Nishimura, K Igarashi… - Clinical Spine …, 2015 - journals.lww.com
Background: The recurrence of lumbar disk herniation (LDH) is a major problem in the
treatment of LDH. The purpose of this study was to investigate the risk factors for recurrent LDH. …

[HTML][HTML] High efficacy of tumor-targeting Salmonella typhimurium A1-R on a doxorubicin-and dactolisib-resistant follicular dendritic-cell sarcoma in a patient-derived …

…, T Murakami, Y Tome, K Kawaguchi, K Igarashi… - Oncotarget, 2016 - ncbi.nlm.nih.gov
Follicular dendritic-cell sarcoma (FDCS) is a rare and recalcitrant disease. In the present study,
a patient-derived orthotopic xenograft (PDOX) mouse model of FDCS was established in …

[HTML][HTML] Effective molecular targeting of CDK4/6 and IGF-1R in a rare FUS-ERG fusion CDKN2A-deletion doxorubicin-resistant Ewing's sarcoma patient-derived …

…, T Kiyuna, SM Dry, Y Li, AW James, K Igarashi… - Oncotarget, 2016 - ncbi.nlm.nih.gov
Ewing's sarcoma is a rare and aggressive malignancy. In the present study, tumor from a
patient with a Ewing's sarcoma with cyclin-dependent kinase inhibitor 2A/B (CDKN2A/B) loss …

[HTML][HTML] Recombinant methioninase effectively targets a Ewing's sarcoma in a patient-derived orthotopic xenograft (PDOX) nude-mouse model

T Murakami, S Li, Q Han, Y Tan, T Kiyuna, K Igarashi… - Oncotarget, 2017 - ncbi.nlm.nih.gov
Methionine dependence is due to the overuse of methionine for aberrant transmethylation
reactions in cancer. Methionine dependence may be the only general metabolic defect in …

[HTML][HTML] Current and emerging targets in immunotherapy for osteosarcoma

…, N Yamamoto, K Hayashi, A Takeuchi, K Igarashi… - Journal of …, 2019 - hindawi.com
Osteosarcoma is the most common primary malignancy of bone. Although outcomes of patients
with osteosarcoma have improved since the introduction of chemotherapy, outcomes of …

[HTML][HTML] Combination treatment with recombinant methioninase enables temozolomide to arrest a BRAF V600E melanoma in a patient-derived orthotopic xenograft …

K Kawaguchi, K Igarashi, S Li, Q Han, Y Tan, T Kiyuna… - Oncotarget, 2017 - ncbi.nlm.nih.gov
An excessive requirement for methionine termed methionine dependence, appears to be a
general metabolic defect in cancer. We have previously shown that cancer-cell growth can …

[HTML][HTML] Tumor-targeting Salmonella typhimurium A1-R combined with temozolomide regresses malignant melanoma with a BRAF-V600E mutation in a patient …

K Kawaguchi, K Igarashi, T Murakami, B Chmielowski… - Oncotarget, 2016 - ncbi.nlm.nih.gov
Melanoma is a recalcitrant disease in need of transformative therapuetics. The present study
used a patient-derived orthotopic xenograft (PDOX) nude-mouse model of melanoma with …

Oral recombinant methioninase (o-rMETase) is superior to injectable rMETase and overcomes acquired gemcitabine resistance in pancreatic cancer

K Kawaguchi, K Miyake, Q Han, S Li, Y Tan, K Igarashi… - Cancer Letters, 2018 - Elsevier
Recombinant methioninase (rMETase) was previously administered as an injectable drug
to target methionine dependence of cancer. Recently, we observed that rMETase could be …

[HTML][HTML] Vemurafenib-resistant BRAF-V600E-mutated melanoma is regressed by MEK-targeting drug trametinib, but not cobimetinib in a patient-derived orthotopic …

K Kawaguchi, T Murakami, B Chmielowski, K Igarashi… - Oncotarget, 2016 - ncbi.nlm.nih.gov
Melanoma is a recalcitrant disease. The present study used a patient-derived orthotopic
xenograft (PDOX) model of melanoma to test sensitivity to three molecularly-targeted drugs and …

Tumor-targeting Salmonella typhimurium A1-R combined with recombinant methioninase and cisplatinum eradicates an osteosarcoma cisplatinum-resistant lung …

K Igarashi, K Kawaguchi, T Kiyuna, K Miyake… - Cell Cycle, 2018 - Taylor & Francis
In the present study, a patient-derived orthotopic xenograft (PDOX) model of recurrent
cisplatinum (CDDP)-resistant metastatic osteosarcoma was treated with Salmonella typhimurium …