Faculty Profiles - TOYOOKA Shinichi

Papers - TOYOOKA Shinichi

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地域枠医師に対する外科専門研修のあり方充実した地域医療の実現を目指して

黒田新士, 吉田龍一, 池田宏国, 岡崎幹生, 大澤晋, 小谷恭弘, 山根正修, 杉本誠一郎, 菊地覚次, 安井和也, 野田卓男, 笠原真悟, 豊岡伸一, 土井原博義, 藤原俊義

日本外科学会定期学術集会抄録集 120回 SP - 4 2020.8

肺移植から学ぶ呼吸器外科学肺移植から学ぶゲノム医療

杉本誠一郎, 塩谷俊雄, 山本治慎, 田中真, 諏澤憲, 三好健太郎, 大谷真二, 山本寛斉, 岡崎幹生, 山根正修, 大藤剛宏, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) S - 7 2020.8

肺移植の問題点と改善策高度無気肺を合併したドナー肺による移植成績

塩谷俊雄, 杉本誠一郎, 山本治慎, 諏澤憲, 三好健太郎, 大谷真二, 山本寛斉, 岡崎幹生, 山根正修, 大藤剛宏, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) PD1 - 3 2020.8

気胸を合併し、発見された肺原発血管肉腫の1切除例

毛利謙吾, 岡崎幹生, 塩谷俊雄, 諏澤憲, 三好健太郎, 大谷真二, 山本寛斉, 杉本誠一郎, 山根正修, 大藤剛宏, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) SP4 - 3 2020.8

抗HMGB1抗体による肺虚血再灌流障害の抑制

中田憲太郎, 岡崎幹生, 清水大, 宮内俊作, 荒木恒太, 三浦章博, 塩谷俊雄, 諏澤憲, 三好健太郎, 大谷真二, 山本寛斉, 杉本誠一郎, 山根正修, 大藤剛弘, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) O47 - 4 2020.8

自然気胸後の器質化期膿胸に対する醸膿胸膜切除術明瞭な臓側胸膜外層の同定に基づいた剥離

清水大, 三好健太郎, 松原慧, 山本治慎, 諏澤憲, 大谷真二, 山本寛斎, 岡崎幹生, 杉本誠一郎, 山根正修, 大藤剛宏, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) MO59 - 10 2020.8

臨床的N0・病理学的リンパ節転移陽性肺がんに対する肺切除の現状

諏澤憲, 三好健太郎, 大谷真二, 山本寛斉, 岡崎幹生, 杉本誠一郎, 山根正修, 大藤剛宏, 豊岡伸一

日本呼吸器外科学会雑誌 34 ( 3 ) O3 - 1 2020.8

進化する外科マネージメントセンターそれぞれの夢を実現するためのキャリアパス支援システム

菊地覚次, 黒田新士, 吉田龍一, 香川俊輔, 山根正修, 小谷恭弘, 笠原真悟, 豊岡伸一, 藤原俊義

日本外科学会定期学術集会抄録集 120回 SP - 8 2020.8

外科の輝ける「未来」のために、我々が「今」できること

竹原裕子, 吉田龍一, 溝尾妙子, 剱持礼子, 光井恵麻, 佃和寧, 土井原博義, 豊岡伸一, 笠原真悟, 藤原俊義

日本外科学会定期学術集会抄録集 120回 SSF - 2 2020.8

Survival Outcomes of Treatment with Radiofrequency Ablation, Stereotactic Body Radiotherapy, or Sublobar Resection for Patients with Clinical Stage I Non-Small-Cell Lung Cancer: A Single-Center Evaluation. Reviewed International journal

Toshihiro Iguchi, Takao Hiraki, Yusuke Matsui, Toshiharu Mitsuhashi, Norihisa Katayama, Kuniaki Katsui, Junichi Soh, Jun Sakurai, Hideo Gobara, Shinichi Toyooka, Susumu Kanazawa

Journal of vascular and interventional radiology : JVIR 31 ( 7 ) 1044 - 1051 2020.7

Language：English Publishing type：Research paper (scientific journal)

PURPOSE: To retrospectively compare the outcomes of radiofrequency (RF) ablation, stereotactic body radiotherapy (SBRT), and sublobar resection (SLR) in patients with stage I non-small-cell lung cancer (NSCLC) at a single center. MATERIALS AND METHODS: Overall, 289 patients (38 RF ablation, 58 SBRT, and 193 SLR) were included. Kaplan-Meier curves were generated, multiple propensity score was estimated using a multinomial logistic regression model, and relationships between treatments and outcomes were assessed using a Cox proportional hazard model. Hazard ratios (HRs) for death from any cause and disease progression or death from any cause were examined by a crude model, an inverse probability of treatment weighting (IPTW) model, and an IPTW model adjusted for missing variables. RESULTS: The 5-year overall and progression-free survival rates were 58.9% and 39.9%, respectively, for RF ablation; 42.0% and 34.9%, respectively, for SBRT; and 85.5% and 75.9%, respectively, for SLR. Significantly longer survival time and lower HR were observed for SLR than other treatments. However, after statistical adjustment, these relationships were not significant except for reduced HR of disease progression or death from any cause of SLR compared to RF ablation in the IPTW model. The median hospital stays for RF ablation, SBRT, and SLR were 6.5, 6, and 16 days, respectively. Adverse events of grade 3 or higher occurred only in 11 SLR cases. CONCLUSIONS: SLR achieved the longest survival. However, after statistical adjustment, there were no significant outcome differences among RF ablation, SBRT, and SLR, except for 1 model. RF ablation or SBRT may be alternative treatments for selected patients with early-stage NSCLC.

DOI： 10.1016/j.jvir.2019.11.035

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Influences of preoperative metformin on immunological factors in early breast cancer. International journal

Takahiro Tsukioki, Tadahiko Shien, Takehiro Tanaka, Yoko Suzuki, Yukiko Kajihara, Minami Hatono, Kengo Kawada, Mariko Kochi, Takayuki Iwamoto, Hirokuni Ikeda, Naruto Taira, Hiroyoshi Doihara, Shinichi Toyooka

Cancer chemotherapy and pharmacology 86 ( 1 ) 55 - 63 2020.7

Language：English Publishing type：Research paper (scientific journal)

PURPOSE: Metformin has been suggested to possibly reduce cancer risk. However, the mechanism underlying the positive effects of metformin on cancer treatment remains unclear. We conducted a prospective study to evaluate the effects of preoperative metformin in patients with early breast cancer. METHOD: We evaluated the effects on immunological factors (TILs, CD4 + , CD8 + , PD-L1, IFNγ and IL-2) by comparing core needle biopsies (CNB) obtained before metformin treatment with surgical specimens. Seventeen patients were enrolled in this prospective study from January to December 2016. We also analyzed 59 patients undergoing surgery during the same period to reveal the correlation of immune factors between CNB and surgical specimen. RESULT: There was a moderate correlation between CNB and surgical specimens on TILs and CD8 + lymphocyte. (TILs Rs = 0.63, CD4 + Rs = 0.224, CD8 + Rs = 0.42) In the metformin group, TILs increases were confirmed in five (29%) patients, while a decrease was confirmed in two (12%). The expressions of CD4 + and CD8 + by TILs were increased in 41% and 18% of surgical specimens, respectively. However, TILs number (p = 0.0554), CD4+ (p = 0.0613) and CD8 + (p = 0.0646) expressions did not significantly increased. Furthermore, IFNγ expression appeared to be increased in response to metformin (p = 0.08). CONCLUSION: Preoperative metformin tends to increase TILs, as well as the numbers of CD4 and CD8 positive lymphocytes, and IFNγ levels. Metformin might improve immune function and have a possibility of chemo-sensitivity and thereby increase the effectiveness of immunotherapy, based on the results of this preliminary study.

DOI： 10.1007/s00280-020-04092-2

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Radiation pneumonitis after definitive concurrent chemoradiotherapy with cisplatin/docetaxel for non-small cell lung cancer: Analysis of dose-volume parameters. International journal

Kuniaki Katsui, Takeshi Ogata, Kenta Watanabe, Norihisa Katayama, Masahiro Kuroda, Katsuyuki Kiura, Takao Hiraki, Yoshinobu Maeda, Shinichi Toyooka, Susumu Kanazawa

Cancer medicine 9 ( 13 ) 4540 - 4549 2020.7

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Radiation pneumonitis (RP) is a major pulmonary adverse event of chest radiotherapy. The PACIFIC trial that identified durvalumab as an effective subsequent-line therapy after concurrent chemoradiotherapy (CCRT) found that patients with grade 2 or higher RP may have to be excluded from treatment under certain criteria. The purpose of this study was to investigate the relationship between grade ≥2 RP and the parameters of dose-volume histograms after CCRT with cisplatin/docetaxel for stage III non-small cell lung cancer and conduct a subset analysis of severe RP that can lead to the permanent discontinuation of treatment per the PACIFIC trial criteria to help determine treatment strategy. METHODS: We calculated the percentage of the lung volume received at least 5 Gy (V5) and 20 Gy (V20), the mean lung dose (MLD), and the lung volume spared from a 5 Gy dose (VS5) to the total lung volume. Factors affecting the incidence of grade ≥2 RP were identified; severe RP was defined as grade ≥3 as well as grade 2 RP that required ≥10 mg prednisolone for at least 12 weeks. RESULTS: This study included 45 patients. On univariate analysis, all parameters and total lung volume were found to be significant predictors of grade ≥2 RP (P = .001, .003, .03, .004, and .02, respectively). On multivariate analysis, V20 was a significant predictive factor of grade ≥2 RP (P = .007). Severe RP developed in 6 of 37 patients (16.2%) whose V20 values were 35% or lower. On univariate analysis, only V20 was a significant predictor of severe RP in these patients (P = .01). CONCLUSIONS: The best approach to reduce the rate of grade ≥2 RP is to maintain the V5, V20, MLD, and VS5 as low as possible during radiotherapy planning in patients receiving definitive CCRT with cisplatin/docetaxel.

DOI： 10.1002/cam4.3093

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Lung perfusion scintigraphy to detect chronic lung allograft dysfunction after living-donor lobar lung transplantation. Reviewed International journal

Haruchika Yamamoto, Seiichiro Sugimoto, Takeshi Kurosaki, Kentaroh Miyoshi, Shinji Otani, Mikio Okazaki, Masaomi Yamane, Takahiro Oto, Shinichi Toyooka

Scientific reports 10 ( 1 ) 10595 - 10595 2020.6

Language：English Publishing type：Research paper (scientific journal)

Because chronic lung allograft dysfunction (CLAD) develops predominantly on one side after bilateral living-donor lobar lung transplantation (LDLLT), lung perfusion scintigraphy (Q-scinti) was expected to show a perfusion shift to the contralateral unaffected lung with the development of CLAD. Our study examined the potential usefulness of Q-scinti in the diagnosis of CLAD after bilateral LDLLT. We conducted a single-center retrospective cohort study of 58 recipients of bilateral LDLLT. The unilateral shift values on Q-scinti were calculated and compared between the CLAD group (N = 27) and the non-CLAD group (N = 31) from 5 years before to 5 years after the diagnosis of CLAD. The unilateral shift values in Q-scinti were significantly higher in the CLAD group than in the non-CLAD group from 5 years before the diagnosis of CLAD to 5 years after the diagnosis (P < 0.05). The unilateral shift values in Q-scinti were significantly correlated with the percent baseline values of the forced expiratory volume in 1 s (P = 0.0037), the total lung capacity (P = 0.0028), and the forced vital capacity (P = 0.00024) at the diagnosis of CLAD. In patients developing unilateral CLAD after bilateral LDLLT, Q-scinti showed a unilateral perfusion shift to the contralateral unaffected lung. Thus, Q-scinti appears to have the potential to predict unilateral CLAD after bilateral LDLLT.

DOI： 10.1038/s41598-020-67433-4

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Clinical impacts of EGFR mutation status: analysis of 5,780 surgically resected lung cancer cases. Reviewed International journal

Kenichi Suda, Tetsuya Mitsudomi, Yasushi Shintani, Jiro Okami, Hiroyuki Ito, Takashi Ohtsuka, Shinichi Toyooka, Takeshi Mori, Shun-Ichi Watanabe, Hisao Asamura, Masayuki Chida, Hiroshi Date, Shunsuke Endo, Takeshi Nagayasu, Ryoichi Nakanishi, Etsuo Miyaoka, Meinoshin Okumura, Ichiro Yoshino

The Annals of thoracic surgery 2020.6

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: To elucidate the clinical, pathologic, and prognostic impacts of EGFR mutation and mutation subtypes in early-stage lung cancer, we conducted a retrospective analysis of the Japanese Joint Committee of Lung Cancer Registry database (a nationwide database for surgically-resected lung cancer patients; n = 18,973). METHODS: Of 13,951 patients classified as non-squamous non-small cell lung cancer in the database, 5,780 patients (41.0%) had been tested for EGFR mutation and were included in this study. RESULTS: EGFR mutation was detected in 2,410 patients (41.7%), and presence of EGFR mutation was significantly correlated with clinicopathological factors such as the presence of ground-glass opacity (P < 0.001) and better prognosis. Analysis of initial recurrence sites identified significantly higher frequencies of brain and adrenal gland metastases in patients with and without EGFR mutation, respectively. Of 2,410 patients with EGFR mutations, 983 (40.8%) had exon 19 deletion (Exon 19 Del), 1,170 (48.5%) had L858R mutation, and 257 (10.7%) had other EGFR mutations. Higher smoking rate was found in patients with other EGFR mutations (p = 0.02). In the comparison of Exon 19 Del and L858R, we found that Exon 19 Del correlated with younger age (P < 0.001), higher rate of pure solid tumors (P < 0.001), advanced pathological stage (trend P = 0.0004), and poorer recurrence-free survival (P = 0.001). CONCLUSIONS: In addition to clinicopathological and prognostic impacts of EGFR mutation status, tumors with Exon 19 Del have a more aggressive phenotype and poorer prognosis than those with L858R in early-stage lung cancers.

DOI： 10.1016/j.athoracsur.2020.05.041

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MAPK Pathway Alterations Correlate with Poor Survival and Drive Resistance to Therapy in Patients with Lung Cancers Driven by ROS1 Fusions. International journal

Hiroki Sato, Adam J Schoenfeld, Evan Siau, Yue Christine Lu, Huichun Tai, Ken Suzawa, Daisuke Kubota, Allan J W Lui, Besnik Qeriqi, Marissa Mattar, Michael Offin, Masakiyo Sakaguchi, Shinichi Toyooka, Alexander Drilon, Neal X Rosen, Mark G Kris, David Solit, Elisa De Stanchina, Monika A Davare, Gregory J Riely, Marc Ladanyi, Romel Somwar

Clinical cancer research : an official journal of the American Association for Cancer Research 26 ( 12 ) 2932 - 2945 2020.6

Language：English Publishing type：Research paper (scientific journal)

PURPOSE: ROS1 tyrosine kinase inhibitors (TKI) provide significant benefit in lung adenocarcinoma patients with ROS1 fusions. However, as observed with all targeted therapies, resistance arises. Detecting mechanisms of acquired resistance (AR) is crucial to finding novel therapies and improve patient outcomes. EXPERIMENTAL DESIGN: ROS1 fusions were expressed in HBEC and NIH-3T3 cells either by cDNA overexpression (CD74/ROS1, SLC34A2/ROS1) or CRISPR-Cas9-mediated genomic engineering (EZR/ROS1). We reviewed targeted large-panel sequencing data (using the MSK-IMPACT assay) patients treated with ROS1 TKIs, and genetic alterations hypothesized to confer AR were modeled in these cell lines. RESULTS: Eight of the 75 patients with a ROS1 fusion had a concurrent MAPK pathway alteration and this correlated with shorter overall survival. In addition, the induction of ROS1 fusions stimulated activation of MEK/ERK signaling with minimal effects on AKT signaling, suggesting the importance of the MAPK pathway in driving ROS1 fusion-positive cancers. Of 8 patients, 2 patients harbored novel in-frame deletions in MEK1 (MEK1delE41_L54) and MEKK1 (MEKK1delH907_C916) that were acquired after ROS1 TKIs, and 2 patients harbored NF1 loss-of-function mutations. Expression of MEK1del or MEKK1del, and knockdown of NF1 in ROS1 fusion-positive cells activated MEK/ERK signaling and conferred resistance to ROS1 TKIs. Combined targeting of ROS1 and MEK inhibited growth of cells expressing both ROS1 fusion and MEK1del. CONCLUSIONS: We demonstrate that downstream activation of the MAPK pathway can mediate of innate acquired resistance to ROS1 TKIs and that patients harboring ROS1 fusion and concurrent downstream MAPK pathway alterations have worse survival. Our findings suggest a treatment strategy to target both aberrations.

DOI： 10.1158/1078-0432.CCR-19-3321

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Prognostic value of OCT4A and SPP1C transcript variant co-expression in early-stage lung adenocarcinoma. International journal

Seijiro Koshimune, Mitsuko Kosaka, Nobuhiko Mizuno, Hiromasa Yamamoto, Tomoyuki Miyamoto, Kohta Ebisui, Shinichi Toyooka, Aiji Ohtsuka

BMC cancer 20 ( 1 ) 521 - 521 2020.6

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Octamer-binding transcription factor 4A (OCT4A) is essential for cell pluripotency and reprogramming both in humans and mice. To date, however, the function of human OCT4 in somatic and/or tumour tissues is largely unknown. METHODS: RT-PCR was used to identify full-length splice forms of OCT4 transcripts in normal and cancer cells. A FLAG-tagged OCT4 genomic transgene was used to identify OCT4-positive cancer cells. A potential role for OCT4 in somatic cancer cells was examined by cell ablation of OCT4-positive cells using promoter-driven diphtheria toxin A. OCT4 and secreted phosphoprotein 1 (SPP1) transcripts in early-stage lung adenocarcinoma tumours were analysed and compared with pathohistological features. RESULTS: The results show that, unlike in murine cells, OCT4A and OCT4B variants are transcribed in both human cancer cells and in adult tissues such as lung, kidney, uterus, breast, and eye. We found that OCT4A and SPP1C are co-expressed in highly aggressive human breast, endometrial, and lung adenocarcinoma cell lines, but not in mesothelial tumour cell lines. Ablation of OCT4-positive cells in lung adenocarcinoma cells significantly decreased cell migration and SPP1C mRNA levels. The OCT4A/SPP1C axis was found in primary, early-stage, lung adenocarcinoma tumours. CONCLUSIONS: Co-expression of OCT4 and SPP1 may correlate with cancer aggressiveness, and the OCT4A/SPP1C axis may help identify early-stage high-risk patients with lung adenocarcinoma. Contrary to the case in mice, our data strongly suggest a critical role for OCT4A and SPP1C in the development and progression of human epithelial cancers.

DOI： 10.1186/s12885-020-06969-0

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気管支断端瘻閉鎖後の治癒経過から考える治療方針

山本治慎, 三好健太郎, 松原慧, 塩谷俊雄, 諏澤憲, 大谷真二, 山本寛斉, 岡崎幹生, 杉本誠一郎, 山根正修, 大藤剛宏, 豊岡伸一

日本臨床外科学会雑誌 81 ( 6 ) 1206 - 1206 2020.6

Randomized Phase III Study of Pemetrexed Plus Cisplatin Versus Vinorelbine Plus Cisplatin for Completely Resected Stage II to IIIA Nonsquamous Non-Small-Cell Lung Cancer. Reviewed International journal

Hirotsugu Kenmotsu, Nobuyuki Yamamoto, Takeharu Yamanaka, Katsuo Yoshiya, Toshiaki Takahashi, Tsuyoshi Ueno, Koichi Goto, Haruko Daga, Norihiko Ikeda, Kenji Sugio, Takashi Seto, Shinichi Toyooka, Hiroshi Date, Tetsuya Mitsudomi, Isamu Okamoto, Kohei Yokoi, Hideo Saka, Hiroaki Okamoto, Yuichi Takiguchi, Masahiro Tsuboi

Journal of clinical oncology : official journal of the American Society of Clinical Oncology 38 ( 19 ) JCO1902674 - 2196 2020.5

Language：English Publishing type：Research paper (scientific journal)

PURPOSE: To evaluate the efficacy of pemetrexed plus cisplatin versus vinorelbine plus cisplatin as postoperative adjuvant chemotherapy in patients with pathologic stage II-IIIA nonsquamous non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: We performed a randomized, open-label, phase III study at 50 institutions within 7 clinical study groups in Japan. Patients with completely resected pathologic stage II-IIIA (TNM 7th edition) nonsquamous NSCLC were randomly assigned to receive either pemetrexed (500 mg/m2, day 1) plus cisplatin (75 mg/m2, day 1) or vinorelbine (25 mg/m2, days 1 and 8) plus cisplatin (80 mg/m2, day 1) with stratification by sex, age, pathologic stage, EGFR mutation, and institution. These treatments were planned to be given every 3 weeks for 4 cycles. The primary end point was recurrence-free survival in the modified intent-to-treat population, excluding ineligible patients. RESULT: Between March 2012 and August 2016, 804 patients were enrolled (402 assigned to vinorelbine plus cisplatin and 402 assigned to pemetrexed plus cisplatin). Of 784 eligible patients, 410 (52%) had stage IIIA disease and 192 (24%) had EGFR-sensitive mutations. At a median follow-up of 45.2 months, median recurrence-free survival was 37.3 months for vinorelbine plus cisplatin and 38.9 months for pemetrexed plus cisplatin, with a hazard ratio of 0.98 (95% CI, 0.81 to 1.20; 1-sided P = .474). Grade 3-4 toxicities reported more frequently for vinorelbine plus cisplatin than for pemetrexed plus cisplatin were febrile neutropenia (11.6% v 0.3%, respectively), neutropenia (81.1% v 22.7%, respectively), and anemia (9.3% v 2.8%, respectively). One treatment-related death occurred in each arm. CONCLUSION: Although this study failed to show the superiority of pemetrexed plus cisplatin for patients with resected nonsquamous NSCLC, this regimen showed a better tolerability as adjuvant chemotherapy.

DOI： 10.1200/JCO.19.02674

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Antitumor Effects of Pan-RAF Inhibitor LY3009120 Against Lung Cancer Cells Harboring Oncogenic BRAF Mutation. Reviewed International journal

Shunsaku Miyauchi, Kazuhiko Shien, Tatsuaki Takeda, Kota Araki, Kentaro Nakata, Akihiro Miura, Yuta Takahashi, Eisuke Kurihara, Yusuke Ogoshi, Kei Namba, Ken Suzawa, Hiromasa Yamamoto, Mikio Okazaki, Junichi Soh, Shuta Tomida, Masaomi Yamane, Masakiyo Sakaguchi, Shinichi Toyooka

Anticancer research 40 ( 5 ) 2667 - 2673 2020.5

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND/AIM: The therapeutic strategy for patients with non-small-cell lung cancer (NSCLC) harboring the BRAF non-V600E mutation has not been established. LY3009120, a newly discovered pan-RAF inhibitor, has shown strong antitumor effects in cancers with various BRAF genotypes. This study investigated the antitumor effects of LY3009120 in NSCLC cells harboring the BRAF non-V600E mutation. MATERIALS AND METHODS: We examined the antitumor effects of LY3009120 by MTS assay and flow cytometry. We analyzed the expression status of proteins by western blot. The mouse xenograft models were used for the in vivo experiments. RESULTS: LY3009120 suppressed BRAF-related downstream pathway molecules and induced cleavage of poly ADP-ribose polymerase in all examined NSCLC cell lines. LY3009120 also inhibited in vivo tumor growth in NSCLC cells harboring the BRAF non-V600E mutation. CONCLUSION: LY3009120 is a potent therapeutic agent for patients with BRAF non-V600E mutant NSCLC.

DOI： 10.21873/anticanres.14237

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チームアプローチで実現するゲノム医療と薬剤師の役割ゲノム医療におけるデータサイエンティストの役割と育成

冨田秀太, 森田瑞樹, 山下範之, 平沢晃, 豊岡伸一

薬学雑誌 140 ( 5 ) 657 - 661 2020.5

Language：Japanese Publisher：(公社)日本薬学会

次世代シークエンサーを用いた遺伝子パネル検査とそのデータ解析はゲノム医療の根幹であるにもかかわらず、その担い手であるデータサイエンティストが極端に不足している。基本的なデータ解析の流れを理解し、解析結果の解釈ができる人材育成が喫緊の課題である。遺伝子パネル検査の流れを概説するとともに、遺伝子変異量(TMB)の概念と遺伝子パネル検査におけるTMBの算出方法について解説した。

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Papers - TOYOOKA Shinichi