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- Zhang, JT, et al.
(author)
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Up-regulation of PINCH in the stroma of oral squamous cell carcinoma predicts nodal metastasis
- 2005
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In: Oncology Reports. - 1021-335X .- 1791-2431. ; 14:6, s. 1519-1522
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Journal article (peer-reviewed)abstract
- Particularly interesting new cysteine-histidine rich protein (PINCH), an adapter protein involved in integrin and growth factor signalling, is up-regulated in the stroma of colorectal, breast, prostate, lung and skin cancer. Strong stromal immunostaining for PINCH is an independent prognostic indicator for reduced survival in colorectal cancer, suggesting that PINCH is involved in the signalling that promotes tumour progression. Since no study on PINCH has been carried out in oral squamous cell carcinoma (OSCC), this study aimed to determine PINCH expression in OSCC and its clinicopathological significance. PINCH protein expression was examined by immunohistochemistry in 20 normal oral mucosa and in 57 OSCC specimens, The frequency of strong PINCH immunostaining was higher in tumour-associated stroma of OSCC (37%) as compared to normal oral mucosa (10%) (p=0.02). Strong PINCH stromal immunostaining predicted nodal metastasis: 19/26 (73%) OSCC cases with nodal metastasis had strong PINCH immunostaining compared to 9/31 (29%) cases without nodal metastasis (p=0.02). The PINCH expression in OSCC was more intense in stroma at the invasive edge than in intratumoural stroma. In conclusion, the up-regulation of PINCH protein in stroma may be involved in promoting invasion and metastasis in OSCC.
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- Zheng, QM, et al.
(author)
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Family-based association study of the MCF2L2 gene and polycystic ovary syndrome
- 2009
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In: Gynecologic and obstetric investigation. - : S. Karger AG. - 1423-002X .- 0378-7346. ; 68:3, s. 171-173
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Journal article (peer-reviewed)abstract
- <i>Objective:</i> The aim of the study was to determine the association between three single nucleotide polymorphism (SNP) variants (rs35368790, rs35069869 and rs684846) of the MCF2 cell line-derived transforming sequence-like 2 <i>(MCF2L2)</i> gene and polycystic ovary syndrome (PCOS) in PCOS family trios. <i>Methods:</i> Genotyping was done by TaqMan assay that incorporates minor groove-binding probe technology for allelic discrimination. One hundred and fifty-two unrelated PCOS probands and their biological parents were recruited. All subjects were of Han Chinese origin and from Shandong Province. <i>Results:</i> The transmission disequilibrium test (TDT) for allelic association demonstrated that a weak association was detected in SNP rs35368790 with p = 0.008. However, we found no significant transmission distortion of the other two SNPs (rs35069869, χ<sup>2</sup> = 3.645, p = 0.056; rs684846, χ<sup>2</sup> = 1.429, p = 0.232, respectively). <i>Conclusions:</i> These results suggest that the genetic polymorphisms within <i>MCF2L2</i> are likely to confer an increased susceptibility to PCOS in the Chinese population. Our present data may provide a basis for further studies of the role of the <i>MCF2L2</i> gene in the etiology of PCOS.
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