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See detailMT4-MMP, a potential prognostic factor in triple negative breast cancer
Yip, Cassandre ULiege; FOIDART, Pierre ULiege; SOMJA, Joan ULiege et al

Scientific conference (2015, December 03)

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See detailAgeism among nurses in oncology
Schroyen, Sarah ULiege; Missotten, Pierre ULiege; JERUSALEM, Guy ULiege et al

Poster (2015, October 14)

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See detailPsychological benefits of a multidisciplinary rehabilitation program after breast cancer
Leclerc, Anne-France ULiege; FOIDART-DESSALLE, Marguerite ULiege; Bury, Thierry ULiege et al

in European Cancer Congress : Abstract book (2015, September 27)

Background : Breast cancer is the most frequent cancer in women, affecting 8 women out of 100. With early detection and improved treatments, the number of deaths linked to this disease has declined ... [more ▼]

Background : Breast cancer is the most frequent cancer in women, affecting 8 women out of 100. With early detection and improved treatments, the number of deaths linked to this disease has declined. However, the disease and its treatments are at the origin of many undesirable side effects such as fatigue, anxiety, weight gain and sleep disorders. The objective of this study is to determine the psychological benefits of a multidisciplinary rehabilitation program among women treated for breast cancer (on average six months after the end of the adjuvant radiotherapy or chimiotherapy). Material and methods : 122 patients were included into a control group (n = 61) and a treated group (n = 61). All participants were submitted to evaluations before the beginning of the trial and after three months. These evaluations included different questionnaires exploring the quality of life, anxiety, depression and various functions and other symptoms related to cancer (EORTC QLQ-C30, EQ-5D, STAI, HADS) and functional assessments. The control group has received no intervention unlike the treated group that received a three-month rehabilitation including supervised physical training (90 min) with three times a week and various psycho-educational sessions (120 min) once a week. Results : After three months, the health status (quality of life) (p < 0,0001), the functional role (p = 0,031), emotional state (p < 0,0001) and physical (p = 0,0045), cognitive (p = 0,0027) and social functions (p = 0,0018) improve significantly in the treated group. This observation also applies to symptoms of fatigue (p < 0,0001), insomnia (p < 0,0001), pain (p = 0,002), dyspnea (p = 0,009), loss of appetite (p = 0,04), anxiety (p < 0,0001) and depression (p < 0,0001) as well as physical parameters obtained through functional assessments. In the control group, these improvements do not appear. Conclusions : This study shows the feasibility and psychological benefits of such a multidisciplinary oncological rehabilitation program in women after their treatments for breast cancer. Additional studies are needed to know the optimal time of beginning (during treatments or after them) and the optimal management time for this support. [less ▲]

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See detailPhysical benefits of a multidisciplinary rehabilitation program after breast cancer
Leclerc, Anne-France ULiege; FOIDART-DESSALLE, Marguerite ULiege; Bury, Thierry ULiege et al

Poster (2015, September 26)

Background : Breast cancer is the most frequent cancer in women, affecting 8 women out of 100. With early detection and improved treatments, the number of deaths linked to this disease has declined ... [more ▼]

Background : Breast cancer is the most frequent cancer in women, affecting 8 women out of 100. With early detection and improved treatments, the number of deaths linked to this disease has declined. However, the disease and its treatments are at the origin of many undesirable side effects such as fatigue, anxiety, weight gain and decreased physical fitness. The objective of this study is to determine the physical benefits of a multidisciplinary rehabilitation program among women treated for breast cancer (on average six months after the end of the adjuvant radiotherapy or chimiotherapy). Material and methods : 122 patients were included into a control group (n = 61) and a treated group (n = 61). All participants were submitted to evaluations before the beginning of the trial and after three months. These evaluations included functional assessments (a maximal incremental exercise protocol on a cycle ergometer, flexibility by Sit and Reach Test and walking distance by Six-Minute Walk Test), anthropometric and body composition measurements (Body Mass Index and body fat percentage) and different questionnaires on quality of life, anxiety and other symptoms related to cancer. The control group has received no intervention unlike the treated group that received a three-month rehabilitation including supervised physical training (90 min) with three times a week and various psycho-educational sessions (120 min) once a week. Results : After three months, maximal oxygen consumption (p < 0,0001), maximal aerobic power (p < 0,0001), peak of ventilation (p < 0,0001) and time to exhaustion (p = 0,0055) during the maximal incremental exercise protocol improve significantly in the treated group. This observation also applies to flexibility (p < 0,0001), walking distance in six minutes (p < 0,0001) and different physical and psychological parameters obtained through questionnaires. In the control group, these improvements do not appear and a significant increase in body mass index (p = 0,032) and body fat percentage (p = 0,034) is observed while these data remain constant in the treated group. Conclusions : This study shows the feasibility and physical benefits of such a multidisciplinary oncological rehabilitation program in women after their treatments for breast cancer. Additional studies are needed to know the optimal time of beginning (during treatments or after them) and the optimal management time for this support. [less ▲]

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See detailClinical significance of MT4-MMP and EGFR expression in Breast Cancer
Yip, Cassandre ULiege; PAYE, Alexandra ULiege; Truong, Alice ULiege et al

Scientific conference (2015, September 11)

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See detailMT4-MMP, a potential therapeutic target in triple negative breast cancer
Yip, Cassandre ULiege; FOIDART, Pierre ULiege; SOMJA, Joan ULiege et al

Poster (2015, September)

MT4-MMP and EGFR axis may have a significant role in patient outcome and response to EGFR targeted therapy. This axis is clinically relevant in TNBC, the most aggressive breast cancer subtype. TNBC are ... [more ▼]

MT4-MMP and EGFR axis may have a significant role in patient outcome and response to EGFR targeted therapy. This axis is clinically relevant in TNBC, the most aggressive breast cancer subtype. TNBC are known to express high level of EGFR and treatment options are limited due to the non response of to the EGFR targeted therapy. Expression levels of MT4-MMP and EGFR in TNBC may be used as prognosis factor for the selection of patient who may respond or not to EGFR targeted therapy. Also, our data shed light and the potential therapeutic option of targeting both MT4-MMP and EGFR in TNBC. [less ▲]

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See detailClinical significance of MT4-MMP and EGFR expression in Breast Cancer
Yip, Cassandre ULiege; PAYE, Alexandra ULiege; Truong, Alice ULiege et al

Scientific conference (2015, June)

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See detailA phase 1b study of Trebananib plus Paclitaxel and Trastuzumab or Capecitabine and Lapatinib in patients with HER2+ locally recurrent or metastatic breast cancer
Kaufman, P.A.; Freyer, G.; Kemeny, M. et al

in Cancer Research (2015, May), 75(9), 5-19-14

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See detailBRCA1 germline mutation and glioblastoma development: report of cases
Boukerroucha, Meriem ULiege; Josse, Claire ULiege; SEGERS, Karin ULiege et al

in BMC Cancer (2015), 15

Background Germline mutations in breast cancer susceptibility gene 1 (BRCA1) increase the risk of breast and ovarian cancers. However, no association between BRCA1 germline mutation and glioblastoma ... [more ▼]

Background Germline mutations in breast cancer susceptibility gene 1 (BRCA1) increase the risk of breast and ovarian cancers. However, no association between BRCA1 germline mutation and glioblastoma malignancy has ever been highlighted. Here we report two cases of BRCA1 mutated patients who developed a glioblastoma (GBM). Cases presentation Two patients diagnosed with triple negative breast cancer (TNBC) were screened for BRCA1 germline mutation. They both carried a pathogenic mutation introducing a premature STOP codon in the exon 11 of the BRCA1 gene. Few years later, both patients developed a glioblastoma and a second breast cancer. In an attempt to clarify the role played by a mutated BRCA1 allele in the GBM development, we investigated the BRCA1 mRNA and protein expression in breast and glioblastoma tumours for both patients. The promoter methylation status of this gene was also tested by methylation specific PCR as BRCA1 expression is also known to be lost by this mechanism in some sporadic breast cancers. Conclusion Our data show that BRCA1 expression is maintained in glioblastoma at the protein and the mRNA levels, suggesting that loss of heterozygosity (LOH) did not occur in these cases. The protein expression is tenfold higher in the glioblastoma of patient 1 than in her first breast carcinoma, and twice higher in patient 2. In agreement with the high protein expression level in the GBM, BRCA1 promoter methylation was not observed in these tumours. In these two cases, despite of a BRCA1 pathogenic germline mutation, the tumour-suppressor protein expression is maintained in GBM, suggesting that the BRCA1 mutation is not instrumental for the GBM development. [less ▲]

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See detailMetabolomic, proteomic and preclinical imaging of patient-derived tumor xenografts for improving treatment of liver metastases patients
Perez Palacios, A; Blomme, A; Boutry, S et al

in Acta Gastro-Enterologica Belgica (2015, March), 78(1), 134

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See detailClinical significance of MT4-MMP and EGFR expression in Breast Cancer
Yip, Cassandre ULiege; PAYE, Alexandra ULiege; Truong, Alice ULiege et al

Scientific conference (2015, February 11)

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See detailOncological and surgical outcome after oncoplastic breast surgery
NIZET, Jean-Luc ULiege; MAWEJA, Sylvie ULiege; LAKOSI, Ferenc ULiege et al

in Acta Chirurgica Belgica (2015), 115

BACKGROUND: Oncoplastic surgery combines breast-conserving treatment and plastic surgery techniques. The aim of the study was to identify breast and tumor-related characteristics that contribute to the ... [more ▼]

BACKGROUND: Oncoplastic surgery combines breast-conserving treatment and plastic surgery techniques. The aim of the study was to identify breast and tumor-related characteristics that contribute to the rate of complications and recurrence. METHODS: This retrospective study included 72 patients with a median follow-up of 32 months. For each patient, a comprehensive set of data was collected, including epidemiology, tumor characteristics, preoperative information, detailed pathology reports, radiotherapy treatment and type of surgical technique. The rate of complications, recurrence and survival were studied. RESULTS: Complete tumor removal was performed with clear margins in all patients but in 25 of them margins were less than 2 mm. One patient had local recurrence and another developed distant metastases. The study showed that the size of the margin was not predictive of recurrence as long as not positive; the greater the resection volume, the larger the excision margin. The resection size was the only factor influencing complications and no specific tumor-related factor significantly increased the complication rate. Surgical complications did not delay the initiation of chemotherapy and radiotherapy. CONCLUSIONS: This is the first oncoplastic study where both tumor and breast characteristics were analyzed using the most recent criteria of the literature. Oncoplastic surgery can be considered as oncologically safe. The resection size was the sole significant risk factor for postoperative complications. Complications after oncoplastic breast surgery did not differ neoadjuvant therapy. Long-term event-free survival was excellent (96% at 7 years). [less ▲]

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See detailClinical significance of MT4-MMP and EGFR expression in Breast Cancer
Yip, Cassandre ULiege; PAYE, Alexandra ULiege; Truong, Alice ULiege et al

Scientific conference (2015, January 31)

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See detailMesenchymal stem cells shed amphiregulin at the surface of lung carcinoma cells in a juxtacrine manner .
Carnet, Oriane ULiege; Lecomte, Julie ULiege; Masset, Anne et al

in Neoplasia : An International Journal for Oncology Research (2015), 17(7), 552-63

Solid tumors comprise cancer cells and different supportive stromal cells, including mesenchymal stem cells (MSCs), which have recently been shown to enhance tumor growth and metastasis. We provide new ... [more ▼]

Solid tumors comprise cancer cells and different supportive stromal cells, including mesenchymal stem cells (MSCs), which have recently been shown to enhance tumor growth and metastasis. We provide new mechanistic insights into how bone marrow (BM)-derived MSCs co-injected with Lewis lung carcinoma cells promote tumor growth and metastasis in mice. The proinvasive effect of BM-MSCs exerted on tumor cells relies on an unprecedented juxtacrine action of BM-MSC, leading to the trans-shedding of amphiregulin (AREG) from the tumor cell membrane by tumor necrosis factor-α-converting enzyme carried by the BM-MSC plasma membrane. The released soluble AREG activates cancer cells and promotes their invasiveness. This novel concept is supported by the exploitation of different 2D and 3D culture systems and by pharmacological approaches using a tumor necrosis factor-α-converting enzyme inhibitor and AREG-blocking antibodies. Altogether, we here assign a new function to BM-MSC in tumor progression and establish an uncovered link between AREG and BM-MSC. [less ▲]

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See detailEvaluation of BRCA1-related molecular features and microRNAs as prognostic factors for triple negative breast cancers.
Boukerroucha, Meriem ULiege; Josse, Claire ULiege; El Guendi, Sonia ULiege et al

in BMC cancer (2015), 15(1), 755

BACKGROUND: The BRCA1 gene plays a key role in triple negative breast cancers (TNBCs), in which its expression can be lost by multiple mechanisms: germinal mutation followed by deletion of the second ... [more ▼]

BACKGROUND: The BRCA1 gene plays a key role in triple negative breast cancers (TNBCs), in which its expression can be lost by multiple mechanisms: germinal mutation followed by deletion of the second allele; negative regulation by promoter methylation; or miRNA-mediated silencing. This study aimed to establish a correlation among the BRCA1-related molecular parameters, tumor characteristics and clinical follow-up of patients to find new prognostic factors. METHODS: BRCA1 protein and mRNA expression was quantified in situ in the TNBCs of 69 patients. BRCA1 promoter methylation status was checked, as well as cytokeratin 5/6 expression. Maintenance of expressed BRCA1 protein interaction with BARD1 was quantified, as a marker of BRCA1 functionality, and the tumor expression profiles of 27 microRNAs were determined. RESULTS: miR-548c-5p was emphasized as a new independent prognostic factor in TNBC. A combination of the tumoral expression of miR-548c and three other known prognostic parameters (tumor size, lymph node invasion and CK 5/6 expression status) allowed for relapse prediction by logistic regression with an area under the curve (AUC) = 0.96. BRCA1 mRNA and protein in situ expression, as well as the amount of BRCA1 ligated to BARD1 in the tumor, lacked any associations with patient outcomes, likely due to high intratumoral heterogeneity, and thus could not be used for clinical purposes. CONCLUSIONS: In situ BRCA1-related expression parameters could be used for clinical purposes at the time of diagnosis. In contrast, miR-548c-5p showed a promising potential as a prognostic factor in TNBC. [less ▲]

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