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  1. Article ; Online: Periostin derived from cancer-associated fibroblasts promotes esophageal squamous cell carcinoma progression via ADAM17 activation.

    Ishibashi, Yusuke / Mochizuki, Satsuki / Horiuchi, Keisuke / Tsujimoto, Hironori / Kouzu, Keita / Kishi, Yoji / Okada, Yasunori / Ueno, Hideki

    Biochimica et biophysica acta. Molecular basis of disease

    2023  Volume 1869, Issue 5, Page(s) 166669

    Abstract: Periostin (POSTN) is a matricellular protein that was originally identified in osteoblasts. Past studies have shown that POSTN is also preferentially expressed in cancer-associated fibroblasts (CAFs) in various types of cancer. We previously demonstrated ...

    Abstract Periostin (POSTN) is a matricellular protein that was originally identified in osteoblasts. Past studies have shown that POSTN is also preferentially expressed in cancer-associated fibroblasts (CAFs) in various types of cancer. We previously demonstrated that the increased expression of POSTN in stromal tissues is associated with an unfavorable clinical outcome in esophageal squamous cell carcinoma (ESCC) patients. In this study, we aimed to elucidate the role of POSNT in ESCC progression and its underlying molecular mechanism. We found that POSTN is predominantly produced by CAFs in ESCC tissues, and that CAFs-cultured media significantly promoted the migration, invasion, proliferation, and colony formation of ESCC cell lines in a POSTN-dependent manner. In ESCC cells, POSTN increased the phosphorylation of ERK1/2 and stimulated the expression and activity of a disintegrin and metalloproteinase 17 (ADAM17), which is critically involved in tumorigenesis and tumor progression. The effects of POSTN on ESCC cells were suppressed by interfering with the binding of POSTN to integrin αvβ3 or αvβ5 using neutralizing antibody against POSTN. Taken together, our data show that CAFs-derived POSTN stimulates ADAM17 activity through activation of the integrin αvβ3 or αvβ5-ERK1/2 pathway and thereby contributes to the progression of ESCC.
    MeSH term(s) Humans ; Esophageal Squamous Cell Carcinoma/metabolism ; Cancer-Associated Fibroblasts/pathology ; Esophageal Neoplasms/metabolism ; Integrin alphaVbeta3/metabolism ; MAP Kinase Signaling System ; ADAM17 Protein/genetics ; ADAM17 Protein/metabolism
    Chemical Substances Integrin alphaVbeta3 ; ADAM17 protein, human (EC 3.4.24.86) ; ADAM17 Protein (EC 3.4.24.86)
    Language English
    Publishing date 2023-02-21
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 60-7
    ISSN 1879-260X ; 1879-2596 ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650 ; 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
    ISSN (online) 1879-260X ; 1879-2596 ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650
    ISSN 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
    DOI 10.1016/j.bbadis.2023.166669
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Prognostic impact of desmoplastic reaction in esophageal squamous cell carcinoma patients with neoadjuvant therapy.

    Kouzu, Keita / Kajiwara, Yoshiki / Tsujimoto, Hironori / Mochizuki, Satsuki / Okamoto, Koichi / Shinto, Eiji / Kishi, Yoji / Matsukuma, Susumu / Ueno, Hideki

    Esophagus : official journal of the Japan Esophageal Society

    2023  Volume 20, Issue 3, Page(s) 474–483

    Abstract: Aim: This study aimed to examine the prognostic value of desmoplastic reaction (DR) in esophageal squamous cell carcinoma (ESCC), particularly in patients who received neoadjuvant therapy, such as chemotherapy (NAC) or chemoradiotherapy (NACRT).: ... ...

    Abstract Aim: This study aimed to examine the prognostic value of desmoplastic reaction (DR) in esophageal squamous cell carcinoma (ESCC), particularly in patients who received neoadjuvant therapy, such as chemotherapy (NAC) or chemoradiotherapy (NACRT).
    Method: In total, 153 patients with pStage II/III ESCC were included in this study. Ninety-one patients received neoadjuvant therapy (NAC, 70; NACRT, 21). Patients were classified according to three DR categories based on the presence of keloid-like collagen and/or myxoid stroma.
    Results: In total, 50, 50, and 53 patients were classified as having mature, intermediate, and immature DR, respectively. The weighted kappa coefficient was 0.623 in the patients with preoperative treatments and 0.782, in those without. The 5-year disease-specific survival (DSS) rates in patients with intermediate/immature DR was significantly worse than those with mature DR (40.7% vs. 73.3%, p < 0.001). Similarly, the 5-year DSS rate in patients with intermediate/immature DR was significantly worse than those with mature DR in a study of patients who received neoadjuvant therapy (46.7% vs. 71.2%, p = 0.009). Multivariate analysis revealed that DR (hazard ratio [HR]: 3.15, 95% confidence interval [CI] 1.58-6.27, p = 0.001), along with N factors, was an independent risk factor for DSS. Moreover, multivariate analysis of patients who received neoadjuvant therapy revealed only DR (HR: 2.47, 95% CI 1.02-5.96, p = 0.045) as independent risk factors for DSS.
    Conclusion: The DR classification was a valuable prognostic factor not only in the ESCC patients without neoadjuvant therapy but also in those with neoadjuvant therapy.
    MeSH term(s) Humans ; Esophageal Squamous Cell Carcinoma ; Prognosis ; Neoadjuvant Therapy ; Esophageal Neoplasms/drug therapy ; Esophageal Neoplasms/pathology ; Chemoradiotherapy
    Language English
    Publishing date 2023-03-14
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2133367-1
    ISSN 1612-9067 ; 1612-9059
    ISSN (online) 1612-9067
    ISSN 1612-9059
    DOI 10.1007/s10388-023-00996-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Acute Calcineurin Inhibitor Nephrotoxicity Diagnosed Using Kidney Doppler Ultrasonography After Heart Transplant: A Case Report.

    Hada, Tasuku / Seguchi, Osamu / Mochizuki, Hiroki / Watanabe, Takuya / Yoshihara, Fumiki / Fukushima, Satsuki / Fujita, Tomoyuki / Tsukamoto, Yasumasa

    Transplantation proceedings

    2022  

    Abstract: Background: Acute calcineurin inhibitor (CNI) nephrotoxicity is a common complication associated with CNI exposure. However, it can be difficult to diagnose. Herein, we report a case of acute CNI nephrotoxicity after heart transplant that was visualized ...

    Abstract Background: Acute calcineurin inhibitor (CNI) nephrotoxicity is a common complication associated with CNI exposure. However, it can be difficult to diagnose. Herein, we report a case of acute CNI nephrotoxicity after heart transplant that was visualized using kidney Doppler ultrasonography.
    Case report: A 38-year-old female patient underwent heart transplant 5 years after the use of left ventricular assist device support because of advanced heart failure due to ischemic cardiomyopathy. Corticosteroids, tacrolimus, and mycophenolate mofetil were administered as immunosuppressive regimens postoperatively. The patient gradually developed kidney dysfunction despite a favorable perioperative clinical course and hemodynamics. Serum creatinine increased to 1.89 mg/dL on postoperative day (POD) 9, and the kidney Doppler ultrasonography examination showed severely reduced blood flow in the renal and renal segmental arteries, indicating acute CNI nephrotoxicity due to vasoconstriction of the renal arterioles. After the cessation of tacrolimus, kidney function returned to baseline levels within 2 days, and the kidney Doppler ultrasonography examination on POD 19 revealed a significant increase in blood flow in the renal and renal segmental arteries. Basiliximab followed by everolimus were administered as alternative immunosuppressants. No organic stenosis of the renal artery was detected on the kidney magnetic resonance angiography, and the patient was discharged on POD 51, without any other adverse events, including rejection.
    Conclusions: Although CNIs are widely used after heart transplant, acute nephrotoxicity should always be considered. After heart transplant, a kidney Doppler ultrasonography should be performed routinely and promptly if there are any clinical manifestations related to kidney function.
    Language English
    Publishing date 2022-11-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 82046-5
    ISSN 1873-2623 ; 0041-1345
    ISSN (online) 1873-2623
    ISSN 0041-1345
    DOI 10.1016/j.transproceed.2022.10.027
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Proposal for a tumor budding predictive score derived from endoscopic biopsy samples in colorectal cancer.

    Yamadera, Masato / Shinto, Eiji / Nagata, Ken / Shiraishi, Takehiro / Kajiwara, Yoshiki / Mochizuki, Satsuki / Okamoto, Koichi / Kishi, Yoji / Ueno, Hideki

    International journal of clinical oncology

    2022  Volume 27, Issue 4, Page(s) 756–764

    Abstract: Background: In colorectal cancer, tumor budding is highlighted as both a prognostic indicator and a predictor of chemosensitivity. However, tumor budding has a serious drawback because of unattainable preoperative assessment, thereby, making it not ... ...

    Abstract Background: In colorectal cancer, tumor budding is highlighted as both a prognostic indicator and a predictor of chemosensitivity. However, tumor budding has a serious drawback because of unattainable preoperative assessment, thereby, making it not applicable to decision-making on treatment strategies. Recently, high expressions of seven genes (i.e., MSLN, SLC4A11, WNT11, SCEL, RUNX2, MGAT3, and FOXC1) were shown to be associated with high-budding colorectal cancers. This study aimed to propose a budding prediction system using selected RNAs extracted from biopsy specimens.
    Methods: The RNA expression levels in 86 surgically resected samples and in 104 samples obtained by colonoscopy before surgery were investigated.
    Results: The tumor surface expressions of four exclusive genes (i.e., MSLN, SLC4A11, SCEL, and MGAT3) were correlated with the tumor budding grade. Subsequently, the logit P value calculated by multiple logistic regression analysis using the four surface gene expressions was set as the following budding predictive score: Logit (P) =  - 0.55 + 0.27*MSLN + 0.16*SLC4A11 + 0.06*MGAT3 + 0.21*SCEL. The effectiveness of the model using colorectal cancer biopsy samples was well corroborated prospectively.
    Conclusion: The budding predictive score that we developed using endoscopic biopsy specimens was clarified to have a high potential for preoperative use.
    MeSH term(s) Biopsy ; Colorectal Neoplasms/diagnosis ; Colorectal Neoplasms/pathology ; Humans ; Lymphatic Metastasis ; Neoplasm Staging ; Prognosis
    Language English
    Publishing date 2022-01-29
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 1400227-9
    ISSN 1437-7772 ; 1341-9625
    ISSN (online) 1437-7772
    ISSN 1341-9625
    DOI 10.1007/s10147-021-02104-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Automated Detection and Classification of Desmoplastic Reaction at the Colorectal Tumour Front Using Deep Learning.

    Nearchou, Ines P / Ueno, Hideki / Kajiwara, Yoshiki / Lillard, Kate / Mochizuki, Satsuki / Takeuchi, Kengo / Harrison, David J / Caie, Peter D

    Cancers

    2021  Volume 13, Issue 7

    Abstract: The categorisation of desmoplastic reaction (DR) present at the colorectal cancer (CRC) invasive front into mature, intermediate or immature type has been previously shown to have high prognostic significance. However, the lack of an objective and ... ...

    Abstract The categorisation of desmoplastic reaction (DR) present at the colorectal cancer (CRC) invasive front into mature, intermediate or immature type has been previously shown to have high prognostic significance. However, the lack of an objective and reproducible assessment methodology for the assessment of DR has been a major hurdle to its clinical translation. In this study, a deep learning algorithm was trained to automatically classify immature DR on haematoxylin and eosin digitised slides of stage II and III CRC cases (
    Language English
    Publishing date 2021-03-31
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527080-1
    ISSN 2072-6694
    ISSN 2072-6694
    DOI 10.3390/cancers13071615
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Prognostic impact of lung computed tomography density in cardiogenic shock patients with veno-arterial extracorporeal membrane oxygenation.

    Hada, Tasuku / Seguchi, Osamu / Mochizuki, Hiroki / Watanabe, Takuya / Tadokoro, Naoki / Kainuma, Satoshi / Fukushima, Satsuki / Tsukamoto, Yasumasa / Noguchi, Teruo / Fujita, Tomoyuki / Fukushima, Norihide

    Artificial organs

    2023  Volume 47, Issue 11, Page(s) 1742–1751

    Abstract: Background: Pulmonary complications often occur in patients receiving veno-arterial extracorporeal membrane oxygenation (VA ECMO). However, the prognostic impact of lung damage has not been fully elucidated.: Methods: This single-center retrospective ...

    Abstract Background: Pulmonary complications often occur in patients receiving veno-arterial extracorporeal membrane oxygenation (VA ECMO). However, the prognostic impact of lung damage has not been fully elucidated.
    Methods: This single-center retrospective observational study targeted patients with cardiogenic shock who received VA ECMO between 2012 and 2021. This study included 65 patients who underwent chest computed tomography (CT) on VA ECMO, followed by escalation to central mechanical circulatory support (MCS) with left ventricular venting. The average density of lung CT images was measured using region-of-interest methods, and the primary endpoint was 180-day all-cause death after escalation to the central MCS.
    Results: Twenty-two patients (34%) developed 180-day all-cause death. According to the Cox regression analysis, age (hazard ratio [HR], 1.08; 95% confidence interval [CI], 1.03-1.14; p = 0.001), ischemic etiology (HR, 5.53; 95% CI, 2.09-14.62; p < 0.001), duration of VA ECMO support (HR, 1.19; 95% CI, 1.00-1.40; p = 0.045), and lung CT density (≥ -481 Hounsfield unit [HU]) (HR, 6.33; 95% CI, 2.26-17.72; p < 0.001) were independently associated with all-cause death. Receiver operating characteristic curve analysis determined that lung CT density ≥ -481 HU is an optimal cutoff value for predicting all-cause death (area under the curve [AUC], 0.72). The 180-day overall survival rate for patients with high lung CT density (≥ -481 HU) was significantly lower than that for those with low lung CT density (< -481 HU) (44.4% vs. 81.6%, respectively, p = 0.002).
    Conclusions: Higher lung CT density could be a useful predictor of death in patients with VA ECMO requiring central MCS escalation.
    MeSH term(s) Humans ; Prognosis ; Shock, Cardiogenic/diagnostic imaging ; Shock, Cardiogenic/etiology ; Shock, Cardiogenic/therapy ; Extracorporeal Membrane Oxygenation/methods ; Retrospective Studies ; Tomography, X-Ray Computed ; Lung/diagnostic imaging
    Language English
    Publishing date 2023-08-14
    Publishing country United States
    Document type Observational Study ; Journal Article
    ZDB-ID 441812-8
    ISSN 1525-1594 ; 0160-564X
    ISSN (online) 1525-1594
    ISSN 0160-564X
    DOI 10.1111/aor.14627
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  7. Article ; Online: Successful echocardiography-guided medical management of severe early post-implant right ventricular failure in a patient with left ventricular assist device support: a case report.

    Kunioka, Shingo / Seguchi, Osamu / Hada, Tasuku / Mochizuki, Hiroki / Shimojima, Masaya / Watanabe, Takuya / Tsukamoto, Yasumasa / Tadokoro, Naoki / Kainuma, Satoshi / Fukushima, Satsuki / Fujita, Tomoyuki / Kamiya, Hiroyuki / Fukushima, Norihide

    Journal of cardiothoracic surgery

    2023  Volume 18, Issue 1, Page(s) 269

    Abstract: Background: Post-implant right heart failure (RHF) has been recognized as a crucial prognostic factor in patients receiving left ventricular assist devices (LVADs), and its management has long attracted attention from cardiologists and surgeons.: Case ...

    Abstract Background: Post-implant right heart failure (RHF) has been recognized as a crucial prognostic factor in patients receiving left ventricular assist devices (LVADs), and its management has long attracted attention from cardiologists and surgeons.
    Case presentation: This report described an 18-year-old female with acutely deteriorating heart failure due to dilated cardiomyopathy who underwent paracorporeal pulsatile-flow LVAD and developed early post-implant RHF. At postoperative day (POD) six, she was almost asymptomatic at rest on 2.5 mg/kg/min of dobutamine; however, the echocardiogram, performed as part of the daily postoperative care, revealed a severely enlarged right ventricle with a decompressed left ventricle, implying the development of post-implant RHF. Bolus infusion of saline and reduction of pump flow (6.0 L/min to 3.0 L/min) led to normalization of both ventricular shapes in 30 s, suggesting that RHF could be managed without surgical interventions. Milrinone was started on POD six, followed by sildenafil administration on POD seven. Fluid balance was strictly adjusted under the close observation of daily echocardiograms. Milrinone and dobutamine were discontinued on PODs 18 and 21, respectively. The patient was listed for a heart transplant on POD 40. Despite reduced right ventricular function (right ventricular stroke work index of 182.34 mmHg*ml/m
    Conclusions: In post-implant RHF management, early detection, together with proper and prompt medical management, is crucial to avoiding any surgical intervention. Close observation of daily echocardiograms might be helpful in detecting subclinical RHF and is useful for post-implant medical management.
    MeSH term(s) Female ; Humans ; Adolescent ; Milrinone ; Heart-Assist Devices/adverse effects ; Dobutamine ; Retrospective Studies ; Heart Failure/etiology ; Heart Failure/surgery ; Echocardiography
    Chemical Substances Milrinone (JU9YAX04C7) ; Dobutamine (3S12J47372)
    Language English
    Publishing date 2023-10-04
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 2227224-0
    ISSN 1749-8090 ; 1749-8090
    ISSN (online) 1749-8090
    ISSN 1749-8090
    DOI 10.1186/s13019-023-02368-1
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  8. Article: Efficacy of catheter cleaning methods using intravenous indwelling catheter, 10% silver nitrate solution and a monofilament nylon thread for deeply progressed superficial driveline infections: case series.

    Kunioka, Shingo / Watanabe, Takuya / Mochizuki, Hiroki / Nakaya, Takako / Hori, Yumiko / Miyoshi, Eri / Konishi, Nobuaki / Arizono, Ayaka / Kitahata, Nana / Hada, Tasuku / Shimojima, Masaya / Tsukamoto, Yasumasa / Seguchi, Osamu / Kamiya, Hiroyuki / Tonai, Kohei / Tadokoro, Naoki / Kainuma, Satoshi / Fukushima, Satsuki / Fujita, Tomoyuki /
    Fukushima, Norihide

    Journal of surgical case reports

    2023  Volume 2023, Issue 8, Page(s) rjad443

    Abstract: Driveline infection (DLI) is treated by local irrigation via driveline exit site (DLES) and surgical debridement is considered in patients with deep DLI. We describe three cases of deeply progressed superficial DLI that were considered to require ... ...

    Abstract Driveline infection (DLI) is treated by local irrigation via driveline exit site (DLES) and surgical debridement is considered in patients with deep DLI. We describe three cases of deeply progressed superficial DLI that were considered to require surgical debridement but could be treated with a unique catheter cleaning method using intravenous indwelling catheter, a cotton swab with 10% silver nitrate solution and a monofilament nylon thread. Case 1 was a 60-y-old man with ischemic cardiomyopathy with left ventricular assist device implantation 2 y before. Daily bedside debridement with 10% silver nitrate solution was performed via the DLES. Case 2 was a 43-y-old man with ischemic cardiomyopathy who had recurrent DLI with methicillin-resistant
    Language English
    Publishing date 2023-08-18
    Publishing country England
    Document type Case Reports
    ZDB-ID 2580919-2
    ISSN 2042-8812
    ISSN 2042-8812
    DOI 10.1093/jscr/rjad443
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  9. Article ; Online: Periostin as a key molecule defining desmoplastic environment in colorectal cancer.

    Sueyama, Takahiro / Kajiwara, Yoshiki / Mochizuki, Satsuki / Shimazaki, Hideyuki / Shinto, Eiji / Hase, Kazuo / Ueno, Hideki

    Virchows Archiv : an international journal of pathology

    2020  Volume 478, Issue 5, Page(s) 865–874

    Abstract: Categorizing desmoplastic reaction (DR) based on the histological findings of cancer-associated fibroblasts is shown to be a promising novel method to predict prognosis of patients with colorectal cancer (CRC). Periostin (POSTN) in cancer-associated ... ...

    Abstract Categorizing desmoplastic reaction (DR) based on the histological findings of cancer-associated fibroblasts is shown to be a promising novel method to predict prognosis of patients with colorectal cancer (CRC). Periostin (POSTN) in cancer-associated stroma is reportedly associated with poor clinical outcomes. Immunohistochemical staining with an anti-POSTN antibody was performed in 73 patients with pStage III CRC (cohort 1). In addition, to evaluate mRNA and protein expression levels of POSTN, we analyzed paired normal and invasive cancer frozen specimens by quantitative real-time polymerase chain reaction and western blot analysis in 41 patients (cohort 2). In cohort 1, according to the DR categorization, 18, 22, and 33 patients were classified as immature, intermediate, and mature, respectively. High immunoreactivity of POSTN was observed 100%, 68.2%, and 27.3%, respectively (p < 0.0001). The 5-year relapse-free survival rates were 56.8% and 82.7% in high and low POSTN expression subgroups, respectively (p = 0.015). In cohort 2, the POSTN mRNA and protein levels were significantly higher in the immature stroma as compared to the stroma characterized as other DR patterns. POSTN expression was closely associated with DR categorization. POSTN may be a key molecule that contributes to the malignant potential of CRC.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Biomarkers, Tumor/analysis ; Biomarkers, Tumor/genetics ; Cancer-Associated Fibroblasts/chemistry ; Cancer-Associated Fibroblasts/pathology ; Cell Adhesion Molecules/analysis ; Cell Adhesion Molecules/genetics ; Colorectal Neoplasms/chemistry ; Colorectal Neoplasms/genetics ; Colorectal Neoplasms/pathology ; Colorectal Neoplasms/therapy ; Female ; Gene Expression Regulation, Neoplastic ; Humans ; Male ; Middle Aged ; Prognosis ; Retrospective Studies ; Stromal Cells/chemistry ; Stromal Cells/pathology ; Tumor Microenvironment ; Up-Regulation
    Chemical Substances Biomarkers, Tumor ; Cell Adhesion Molecules ; POSTN protein, human
    Language English
    Publishing date 2020-11-19
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1184867-4
    ISSN 1432-2307 ; 0945-6317
    ISSN (online) 1432-2307
    ISSN 0945-6317
    DOI 10.1007/s00428-020-02965-8
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  10. Article ; Online: Mesothelin Expression is Correlated with Chemoresistance in Stage IV Colorectal Cancer.

    Nagata, Ken / Shinto, Eiji / Shiraishi, Takehiro / Yamadera, Masato / Kajiwara, Yoshiki / Mochizuki, Satsuki / Okamoto, Koichi / Einama, Takahiro / Kishi, Yoji / Ueno, Hideki

    Annals of surgical oncology

    2021  Volume 28, Issue 13, Page(s) 8579–8586

    Abstract: Background: Mesothelin (MSLN) is a cell-surface glycoprotein present on mesothelial cells; its expression in several epithelial cancers generally portends an unfavorable prognosis. We investigated MSLN as a surrogate chemopredictive biomarker and ... ...

    Abstract Background: Mesothelin (MSLN) is a cell-surface glycoprotein present on mesothelial cells; its expression in several epithelial cancers generally portends an unfavorable prognosis. We investigated MSLN as a surrogate chemopredictive biomarker and examined the impact of MSLN expression in stage IV colorectal cancer (CRC).
    Methods: We recruited 254 patients with CRC who received systemic chemotherapy following primary tumor resection between 2000 and 2019. Resected specimens were immunostained for MSLN and stratified by MSLN expression. The associations of tumor MSLN expression with tumor response in metastatic lesions and survival were evaluated.
    Results: Of the 247 patients with stage IV CRC, 41 (16.1%) and 213 (83.9%) had high and low MSLN expression, respectively. Based on the Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria, the investigator-assessed objective response rate was 22.0% in the high MSLN expression group and 45.5% in the low MSLN expression group (p = 0.0050). The disease control rates in these groups were 65.9% and 85.9%, respectively (p = 0.00019). In the patients with high MSLN expression, the conversion rate among those with initially unresectable metastases was 0% versus 14% in the patients with low MSLN expression (p = 0.0053). The median overall survival (OS) was 1.5 years (95% confidence interval [CI] 1.1-2.8) in the high MSLN expression group versus 2.6 years (95% CI 2.2-3.0) in the low MSLN expression group. The 3-year OS rates in these groups were 23.5 and 41.5%, respectively (p = 0.0120).
    Conclusions: High MSLN expression is correlated with chemoresistance and poor prognoses in stage IV CRC.
    MeSH term(s) Biomarkers, Tumor ; Colorectal Neoplasms/drug therapy ; Drug Resistance, Neoplasm ; GPI-Linked Proteins ; Humans ; Mesothelin ; Prognosis
    Chemical Substances Biomarkers, Tumor ; GPI-Linked Proteins ; MSLN protein, human ; Mesothelin (J27WDC343N)
    Language English
    Publishing date 2021-07-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1200469-8
    ISSN 1534-4681 ; 1068-9265
    ISSN (online) 1534-4681
    ISSN 1068-9265
    DOI 10.1245/s10434-021-10507-y
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