نتایج جستجو برای: پروتئین hmgb4
تعداد نتایج: 17872 فیلتر نتایج به سال:
پروتئین HMGB4 که در سال 2008 شناخته شد از اعضای خانواده پروتئینهای غیرهیستونی HMGB پستانداران است. پروتئینهای HMGB از طریق دو موتیف که به‌ترتیب HMG-box A وHMG-box B نامیده می‌شوند به DNA اتصال می‌یابند. پروتئینهای HMGB به DNA تغییر یافته با سیس‌پلاتین اتصال یافته و مانع دسترسی عوامل ترمیم برشی DNA به این نقاط می‌شوند. HMGB4 در مقایسه با HMGB1 عضو دیگر این خانواده با میل ترکیبی بالاتری به این نو...
HMGB4 is a new member in the family of HMGB proteins that has been characterized in sperm cells, but little is known about its functions in somatic cells. Here we show that HMGB4 and the highly similar rat Transition Protein 4 (HMGB4L1) are expressed in neuronal cells. Both proteins had slow mobility in nucleus of living NIH-3T3 cells. They interacted with histones and their differential expres...
Cisplatin is the most commonly used anticancer drug for the treatment of testicular germ cell tumors (TGCTs). The hypersensitivity of TGCTs to cisplatin is a subject of widespread interest. Here, we show that high-mobility group box protein 4 (HMGB4), a protein preferentially expressed in testes, uniquely blocks excision repair of cisplatin-DNA adducts, 1,2-intrastrand cross-links, to potentiat...
Proteins in the HMG family are important transcription factors. They recognize cisplatin-damaged DNA lesions with a structure-specific preference and account for more than 70% of all proteins that interact with the cisplatin 1,2-intrastrand d(GpG) cross-link. HMGB4, a new member of the mammalian HMGB protein family expressed preferentially in the testis, was generated recombinantly, and its int...
High mobility group (HMG) proteins of the HMGB family are chromatin-associated proteins that as architectural factors are involved in the regulation of transcription and other DNA-dependent processes. HMGB proteins are generally considered nuclear proteins, although mammalian HMGB1 can also be detected in the cytoplasm and outside of cells. Plant HMGB proteins studied so far were found exclusiv...
The high mobility group (HMG) proteins of the HMGB family are architectural factors in eukaryotic chromatin, which are involved in the regulation of various DNA-dependent processes. We have examined the post-translational modifications of five HMGB proteins from maize suspension cultured cells, revealing that HMGB1 and HMGB2/3, but not HMGB4 and HMGB5, are phosphorylated by protein kinase CK2. ...
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