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Träfflista för sökning "WFRF:(Zhang Zhiyong 1970 ) "

Sökning: WFRF:(Zhang Zhiyong 1970 )

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1.
  • Zhao, Zeng-Ren, et al. (författare)
  • Overexpression of Id-1 protein is a marker in colorectal cancer progression
  • 2008
  • Ingår i: Oncology Reports. - 1021-335X .- 1791-2431. ; 19:2, s. 419-424
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The inhibitor of differentiation/DNA binding 1 (Id-1), a negative regulator of basic helix-loop-helix transcription factors, plays an important role in the regulation of cell proliferation and differentiation. We examined the Id-1 expression by immunohistochemistry in 9 adenomas, 79 primary colorectal adenocarcinomas matched with 40 adjacent normal mucosa specimens and its relationship with clinicopathological factors. The Id-1 expression was increased in the carcinoma compared to the adjacent normal mucosa either in the unmatched and matched samples or to the adenoma. There was no significant difference in the Id-1 expression between normal mucosa and adenoma. The Id-1 expression of carcinoma was increased from Dukes' stages A to B, to C and to D. The cases with lymph node metastasis had a higher rate of a stronger Id-1 expression than those without lymph node metastasis. In conclusion, Id-1 overexpression plays an important role in colorectal cancer progression.</p>
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2.
  • Gao, Jingfang, 1966-, et al. (författare)
  • MANBA polymorphism was related to increased risk of colorectal cancer in Swedish but not in Chinese populations
  • 2008
  • Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 47:3, s. 372-378
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>β-mannosidase, encoded by MANBA, has been suggested to be implicated in cancers, while genetic variations in the MANBA in relation to colorectal cancer (CRC) risk has not been examined. In this study, we investigated the relationship of a polymorphic CA repeat in MANBA gene with CRC risk in 152 Swedish CRC patients and 441 Swedish controls, and 196 Chinese CRC patients and 577 Chinese controls, as well as the clinicopathologic significance of this polymorphism on CRC patients, by using capillary electrophoresis. The MANBA genotypes were related to CRC risk in the Swedish population (p=0.03), but not in the Chinese population. In the Swedish population, individuals with < 22 CAs/> 22 CAs had significantly increased risk for CRC compared with those with ≥22 CAs/≥ 22 CAs (gender-age-adjusted analysis: OR 1.93, 95% CI 1.06-3.51). There was no relationship between the polymorphism and clinicopathologic variables. These findings suggest the different susceptibilities of this polymorphism to CRC development in the two populations. © 2008 Taylor & Francis.</p>
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3.
  • Zhang, Zhiyong, 1970-, et al. (författare)
  • Expression of MAC30 in rectal cancers with or without preoperative radiotherapy
  • 2007
  • Ingår i: Oncology. - 0890-9091. ; 71:3-4, s. 259-265
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>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.</p>
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