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ADAMTS4 is upregulated in colorectal cancer and could be a useful prognostic indicator of colorectal cancer
Shang, Xue-Qin; Liu, Kui-Liang; Li, Qian; Lao, Yue-Qiong; Li, Nan-Shan; Wu, Jing.
  • Shang, Xue-Qin; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
  • Liu, Kui-Liang; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
  • Li, Qian; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
  • Lao, Yue-Qiong; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
  • Li, Nan-Shan; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
  • Wu, Jing; Capital Medical University. Beijing Shijitan Hospital. Department of Gastroenterology. Beijing. CN
Rev. Assoc. Med. Bras. (1992) ; 66(1): 42-47, Jan. 2020. graf
Article in English | LILACS | ID: biblio-1091906
ABSTRACT
SUMMARY OBJECTIVE ADAMTS4 is a member of the ADAMTS4 family, which secretes proteinases. The mechanism of tumor metastasis may be correlated to its promotion of angiogenesis. It was determined whether ADAMTS4 participates in colorectal cancer progression. Methods The expression in clinical samples and CRC cell lines was investigated. Using immunohistochemistry (IHC), fluorescence in situ hybridization (FISH), and RT-PCR, the expression of ADAMTS4 was determined in colorectal tumors of different cancer stages and anatomic sites, and in three cell lines of different aggressiveness. Results The overexpression of ADAMTS4 was observed in tissue samples by IHC, and this was mainly located in the cytoplasm, as detected by FISH. The qRT-PCR and western blot analyses further supported the clinical sample findings. Conclusion The present data support the notion that the overexpression of ADAMTS4 in CRC might be useful as a non-invasive biomarker for detecting CRC in patients.
RESUMO
RESUMO OBJETIVO ADAMTS4 é um membro da família ADAMTS4, que secreta proteinases. O mecanismo da metástase do tumor pode ser correlacionado a sua promoção da angiogênese. Determinou-se se ADAMTS4 participa na progressão do câncer colorretal. Métodos A expressão em amostras clínicas e linhas de células CRC foi investigada. Usando a imuno-histoquímica (IHC), a hibridação fluorescente in situ (HFIS) e o RT-PCR, a expressão de ADAMTS4 foi determinada em tumores colorretais de diferentes estágios do câncer e locais anatômicos, e em três linhas de células de níveis de agressividade distintos. Resultados A superexpressão de ADAMTS4 foi observada em amostras de tecido por IHC, e esta foi localizada principalmente no citoplasma, como detectado pelo HFIS. O qRT-PCR e a análise de wester blot corroboraram os resultados clínicos da amostra. Conclusão Os dados atuais corroboram a noção de que a superexpressão de ADAMTS4 no CRC pode ser útil como um biomarcador não invasivo para a detecção de CRC em pacientes.
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Full text: Available Index: LILACS (Americas) Main subject: Colorectal Neoplasms / ADAMTS4 Protein Type of study: Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2020 Type: Article Affiliation country: China Institution/Affiliation country: Capital Medical University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Colorectal Neoplasms / ADAMTS4 Protein Type of study: Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2020 Type: Article Affiliation country: China Institution/Affiliation country: Capital Medical University/CN