Tài liệu Báo cáo khoa học: Collagen I regulates matrix metalloproteinase-2 activation in osteosarcoma cells independent of S100A4 pdf

... (1999) S100A4 involvement in metastasis: deregula- tion of matrix metalloproteinases and tissue inhibitors of matrix metalloproteinases in osteosarcoma cells transfected with an anti -S100A4 ribozyme. ... cysteine- rich protein with kazal motifs (RECK) is a cell mem- brane associated inhibitor of MMP-2 that is able to inhibit the second activation step of MMP-2 [9]. T...

Ngày tải lên: 18/02/2014, 11:20

... interaction in learning several aspects of linguistic structure si- multaneously, as compared to learning each kind of linguistic structure independently. Because learning collocations and word-initial syllable ... inference procedure is that it gives us a way of learning these interacting linguistic structures simultaneously. Adaptor grammars are also interesting because they can be...

Ngày tải lên: 20/02/2014, 09:20

... all fish examined had significant levels of protein in blood and skin during the winter. It is possible that different phy- siological or environmental cues initiate expression in each tissue separately. ... solution freezing point noncolligatively by binding to certain surfaces of ice crystals, modifying their structure and inhibiting further growth. The difference between the lowered...

Ngày tải lên: 20/02/2014, 02:22

... compaction level of native chromatin fibers (containing the linker histone) is significantly higher in 150 mm NaCl than in 40 mm [9], quite surprisingly the experiments in 150 mm did not show significant ... interaction, typically using biotin ⁄ streptavidin or digoxigenin ⁄ anti-digoxigenin coupling between the fiber ends and beads. Four distinct types of chromatin substrates have been...

Ngày tải lên: 14/02/2014, 18:20

... be an important residue for the SBS. The screening ratio of D32A is similar to that of the wild-type, indicating the minor importance of the acidic side chain of Asp32. This result is logical because ... Vandermarliere et al. [12]. Amino acid residues that form direct protein–ligand interactions with their main chain only are indicated by an asterisk. S. Cuyvers et al. Secondary subst...

Ngày tải lên: 14/02/2014, 19:20

... expression was only slowly inhibited [45], indicating that a reduced permissive amount of Dmrt1 expression might not be totally incompatible with active ovarian differentiation. In addition, in pejerrey, ... Testis Decreases during testicular involution n .i. PCR [31] Silurus meridionalis G Ovary and testis High in testes during masculinization n .i. PCR [29] Takifugu rubripes G Testi...

Ngày tải lên: 14/02/2014, 19:20

... lesions by EHEC by recruiting a-catenin, a cytoskeletal pro- tein that recognizes actin, to the site of bacterial con- tact [65,66]. In addition, it is also involved in the inhibition of myosin ... induc- tion. Salmonella SipC carries two functions: participa- tion in the formation of the membrane-inserted pore and acting as an actin nucleation initiator by promot- ing its own mul...

Ngày tải lên: 14/02/2014, 22:20

... the increased reactivity in COS-7 cells but not in E. coli (Fig. 2C,D). In addition, an immunocytochemical study of COS-7 cells expressing ATN1s showed an apparent increase in the immunoreactivity ... anti-rabbit IgG was used as secondary antibodies. Nuclei of cells were visualized by staining with 4¢-6-diamidino-2-phenylindole. Preparation of human brain tissue samples Po...

Ngày tải lên: 15/02/2014, 01:20

... NGHIEN CUU - TRAO OOI PIIlIONG \GlJ THANH HOA Vdi VIEC PHAT TRIEN VAN IIOA, DC LICH TS. Hoang Minh Ti/dng Phd Giam doc So Thong tin va Truyen thong Thanh ... thdi cung la Kinh do cua cac vddng trieu trong lich sd. Chinh dat kinh ky ay da dem den cho xd Thanh sd anh hddng va tiep can vdi van hoa, ngon ngd cua cac thdi dai phong kien ... Chdi beu may, nghia ti...

Ngày tải lên: 18/02/2014, 05:20

... levels of a series of C-terminal deletion mutants of Hsp105b and a-tubulin were determined by western blotting using antibod- ies against myc-tag and a-tubulin, respectively. Relative activity is ... exists in an inactive form as a monomer; in response to stress, it forms homotrimers that bind to the HSEs in the promoter regions of hsp genes [19]. In addition, an in ammatory...

Ngày tải lên: 18/02/2014, 06:20