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Screening for and identification of differentially expressed genes in hemopoietic stem cells from patients with psoriasis / 中华皮肤科杂志
Chinese Journal of Dermatology ; (12): 407-410, 2011.
Article in Chinese | WPRIM | ID: wpr-416976
Responsible library: WPRO
ABSTRACT
Objective To investigate the roles of hemopoietic stem cells (HSCs) in the pathogenesis of psoriasis. Methods HSCs were isolated from the bone marrow of a patient with psoriasis vulgaris and a normal human control. Forward- and reverse-subtracted cDNA libraries were constructed by using suppression subtractive hybridization (SSH) technique between HSCs from the patient and control. Bacterial PCR and dot hybridization were performed to screen for positive clones followed by gene sequencing, identification and functional analysis. Real time quantitative PCR was carried out to measure the mRNA expression of interferon-γ and thymosin 10 (TMSB10). Results Nine genes were screened from the forward-subtracted cDNA library which encoded interferon-γ, tyrosine phosphatase, SUMO1 activase, etc, and 8 genes including the TMSB10-encoding gene were screened from the reverse-subtracted cDNA library. The relative expression level of interferon-γ in HSCs from the patient was 47.5 times that in HSCs from the control, while the level of TMSB10 from the control was 22.6 times that from the patient. Conclusion The abnormal expression of 17 genes which encode interferon-γ, thyrosin, and so on, may be involved in the development of psoriasis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Dermatology Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Dermatology Year: 2011 Type: Article