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Sökning: WFRF:(Kayed Hany)

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1.
  • Loftas, Per, et al. (författare)
  • EXPRESSION OF FXYD-3 IS AN INDEPENDENT PROGNOSTIC FACTOR IN RECTAL CANCER PATIENTS WITH PREOPERATIVE RADIOTHERAPY
  • 2009
  • Ingår i: INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS. - : Elsevier BV. - 0360-3016. ; 75:1, s. 137-142
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: FXYD-3 (MAT-8) is overexpressed in several types of cancers; however, its clinical relevance in rectal cancers has not been studied. Therefore, we examined FXYD-3 expression in rectal cancers from the patients who participated in a Swedish clinical trial of preoperative radiotherapy (RT) to determine whether FXYD-3 was overexpressed in rectal cancers and correlated with RT, survival, and other clinicopathologic variables. Methods and Materials: The study included 140 rectal cancer patients who participated in a clinical trial of preoperative RT, 65 with and 75 without RT before surgery. FXYD-3 expression was immumohistochemically examined in distant (n = 70) and adjacent (n = 101) normal mucosa, primary tumors (n = 140), and lymph node metastasis (n = 36). Results: In the whole cohort, strong FXYD-3 expression was correlated with infiltrative tumor growth (p = 0.02). In the RT group, strong FXYD-3 expression alone (p = 0.02) or combined with phosphatase of regenerating liver was associated with an unfavorable prognosis (p = 0.02), independent of both TNM stage and tumor differentiation. In tumors with strong FXYD-3 expression, there was less tumor necrosis (p = 0.02) and a trend toward increased incidence of distant metastasis (p = 0.08) after RT. None of these effects was seen in the non-RT group. FXYD-3 expression in the primary tumors tended to he increased compared with normal mucosa regardless of RT. Conclusion: FXYD-3 expression was a prognostic factor independent of tumor stage and differentiation in patients receiving preoperative RT for rectal cancer.
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2.
  • Moparhti, Satish Babu, et al. (författare)
  • Expression of MAC30 protein is related to survival and biological variables in primary and metastatic colorectal cancers
  • 2007
  • Ingår i: International Journal of Oncology. - 1019-6439 .- 1791-2423. ; 30:1, s. 91-95
  • Tidskriftsartikel (refereegranskat)abstract
    • MAC30 is highly expressed in several types of tumors including colorectal cancers, however, its clinicopathological and biological significance in colorectal cancers is currently not known. The aim of our study was to investigate MAC30 expression in distant normal mucosa, adjacent normal mucosa, primary tumors and metastases of colorectal cancer, and to determine the relationship between MAC30 expression and clinicopathological and biological variables. MAC30 expression was immunohistochemically examined in distant normal mucosa (n = 54), adjacent normal mucosa (n = 123), primary tumors (n = 217) and lymph node metastases (n = 56) from colorectal cancer patients. MAC30 cytoplasmic expression was increased from distant normal mucosa to primary tumor and to metastasis (p < 0.0001-0.04). Furthermore, 40% primary and 37% metastatic tumors showed stronger cytoplasmic expression of MAC30 at the tumor invasive margins compared to inner tumor areas. Strong cytoplasmic expression of MAC30 in the metastasis was related to a poor prognosis (p = 0.04). MAC30 cytoplasmic expression was positively related to expression of proliferating cell nuclear antigen (p = 0.04), p53 (p = 0.04), nucleoporin 88 (p = 0.001), legumain (p = 0.004) and particularly interesting new cysteine-histidine rich protein (p = 0.004). However, MAC30 expression in the nucleus and stroma did not have any clinicopathological and biological significance (p > 0.05). In conclusion, MAC30 protein may play a role in development of colorectal cancer, and can be considered as a prognostic factor.
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3.
  • Wang, Ming-Wei, et al. (författare)
  • FXYD3 Expression in Gliomas and its Clinicopathological Significance
  • 2009
  • Ingår i: Oncology Research. - : Computers, Materials and Continua (Tech Science Press). - 0965-0407 .- 1555-3906. ; 18:4, s. 133-139
  • Tidskriftsartikel (refereegranskat)abstract
    • FXYD3, interacting with Na+/K+-ATPase, is considered a cell surface regulator modulating the function of ion pumps and ion channels. The FXYD3 gene was originally cloned from murine mammary tumors and then from human breast tumors. However, no study of FXYD3 has been carried out in gliomas; therefore, we examined FXYD3 expression in gliomas and its clinicopathological significance. FXYD3 expression was immunohistochemically examined in 71 primary gliomas, along with 37 matched adjacent normal brain samples and 8 recurred gliomas. The frequency of strong FXYD3 expression was higher in the primary tumors in either unmatched (p = 0.046) or matched cases (p = 0.02), compared to normal brain tissue. FXYD3 expression was significantly more increased in females than males (p = 0.01), and in multiple site gliomas than single sites (p = 0.02). There was no difference of FXYD3 expression regarding age, tumor location, size, histological type, and tumor grade (p greater than 0.05). The results suggest that FXYD3 expression may be involved in glioma development, especially in multiple gliomas and female patients.
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4.
  • Widegren, Emma, et al. (författare)
  • Expression of FXYD3 Protein in Relation to Biological and Clinicopathological Variables in Colorectal Cancers
  • 2009
  • Ingår i: Chemotherapy. - : S. Karger AG. - 0009-3157 .- 1421-9794. ; 55:6, s. 407-413
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: FXYD3 is up-/down-regulated in different types of cancers. We examined FXYD3 expression in colorectal cancers and its relationship to biological and clinicopathological variables. Patients and Methods: Expression of FXYD3 protein was immunohistochemically examined in distant normal mucosa (n = 34), adjacent normal mucosa (n = 72), primary tumour (n = 150) and lymph node metastasis (n = 35) from colorectal cancer patients. Results: FXYD3 was highly expressed in primary tumour compared to adjacent normal mucosa (p = 0.02). FXYD3 was or tended to be positively related to the expression of ras (p = 0.02), p53 (p = 0.06), legumain (p = 0.02) and proliferating cell nuclear antigen (p = 0.03). Moreover, there was a higher frequency of strong FXYD3 expression in Dukes A-C tumours than in D tumours (p = 0.04). The strong FXYD3 expression tended to predict worse survival in the patients with Dukes A + B tumour (p = 0.07), while there was no such tendency in the patients with Dukes C + D tumour (p = 0.94). The tumours located in the colon had a higher degree of FXYD3 expression than the tumours located in the rectum (p = 0.05). Conclusion: The FXYD3 was associated with certain biological variables and may be involved in the development of the relative earlier stages of colorectal cancers.
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5.
  • Zhang, Zhiyong, 1970-, et al. (författare)
  • Expression of MAC30 in rectal cancers with or without preoperative radiotherapy
  • 2007
  • Ingår i: Oncology. - : S. Karger AG. - 0890-9091 .- 0030-2414 .- 1423-0232. ; 71:3-4, s. 259-265
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Meningioma-associated protein (MAC30) is overexpressed in several types of cancers, but its therapeutic implication in the patients has not been studied. We examined the relationship of MAC30 with clinicopathological and biological factors in rectal cancer patients with or without radiotherapy (RT). Methods: MAC30 was immunohistochemically examined in 75 distant and 91 adjacent normal mucosa specimens, 132 primary tumours and 39 lymph node metastases from rectal cancer patients participating in a clinical trial of preoperative RT. Results: In the RT group, MAC30 was or tended to be positively correlated with infiltrated growth pattern (p = 0.02), PRL (phosphatase of regenerating liver, p = 0.01) and Ki-67 expression (p = 0.06). MAC30 at the invasive margin of the metastasis was related to poor survival (p = 0.02) in the whole group of patients. MAC30 in primary tumours was not related to recurrence and survival in the non-RT or RT group. Conclusions:MAC30 expression in metastasis was an indicator for poor survival. After RT, MAC30 seemed to be more related to aggressive morphological and biological factors, however, we did not find direct evidence that MAC30 expression was related to the outcome of patients with or without RT. Copyright © 2006 S. Karger AG.
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6.
  • Zhu, Zhen-Long, et al. (författare)
  • Expression and significance of FXYD-3 protein in gastric adenocarcinoma
  • 2010
  • Ingår i: DISEASE MARKERS. - : Ios Press. - 0278-0240. ; 28:2, s. 63-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: FXYD-3, also known as Mat-8, is a member of the FXYD protein family. It was reported that this protein can associate with and modify the transport properties of Na, K-ATPase, and may play an important role in a variety of physiological and pathological states. This protein is up-regulated in certain types of cancers (such as breast, prostate and pancreatic cancer), but down-regulated in other types of cancers (such as colon and kidney cancer). No study has been performed in gastric cancer; therefore, the aim of this project was to investigate FXYD-3 expression and its clinicopathological significance in gastric adenocarcinoma. Patients and methods: FXYD-3 protein was examined by immunohistochemistry in normal gastric mucous (n = 29) and gastric adenocarcinoma (n = 51), obtained from surgical resection of gastric cancer patients. Results: FXYD-3 protein was present in the cytoplasm of normal gastric epithelial cells or gastric cancer cells. The rate of FXYD-3 strong expression was significantly higher in cancer (51% of 51) than in normal mucosa (10% of 29, X-2=13.210, p andlt; 0.0001). FXYD-3 expressed strongly in ulcerative/infiltrating types of cancers compared to polypoid/fungating ones (X-2 = 5.765, p = 0.016). However, FXYD-3 expression was not correlated with patients gender, age, tumor size, lymph node status and histological grade (p andgt; 0.05). Conclosion: Up-regulated expression of FXYD-3 protein may be involved in tumourgenesis and invasion of gastric adenocarcinoma.
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