Báo cáo khoa học: "Expression of the metalloproteases MMP-1, MMP-2, MMP-3, MMP-9, MMP-11, TIMP-1 and TIMP-2 in angiocentric midfacial lymphomas" potx

... test and test of Mc Nemar to assess MMP-1, MMP-2, MMP-3, MMP-9, MMP-11, MMP-13, TIMP-1 y TIMP-2 expression of neoplastic cells, peritumoral fibroblasts, endothelium cells and epithelium and its ... National Institute of Cancer, Mexico. Results Expression of MMPs varied from moderate to intense in the positive cases. The expression of metalloproteases 1, 2...

Ngày tải lên: 09/08/2014, 07:22

... included the mitochondrial single- stranded binding protein (mtSSB), and the catalytic (a )and accessory (b) subunits of the DNA polymerase c (P ol c) [24,25]. Interestingly, the expression of the ... footprinting of the 5¢ upstream region of the a-F1-ATPase gene and found that the combination of GAF and Adf-1 binding sites is present both in o ther Drosophi...

Ngày tải lên: 07/03/2014, 16:20

... the only reaction resulting in the amination of the pyrimidine ring into a cytosine derivative (Fig. 1). It is therefore of interest to examine to what extent this enzyme controls the fluxes and ... those leading to the biosynthesis of amino acids or nucleotides, the control of the flux should reside in the demand for the end-product, whereas the supply determi...

Ngày tải lên: 16/03/2014, 16:20

... mgÆL )1 of wild-type laccase from the dikaryotic strain I-937 of P. cinnabarinus and 145 mgÆL )1 from the derived monokaryotic strain ss3 of P. cinnabarinus. In order to improve the secretion of the ... activity (%) pH Fig. 8. Effect of the pH on the activity of the purified laccase. pH in the range of 2.5–8 were tested with 500 l M ABTS (d )and1 7l M of sy...

Ngày tải lên: 17/03/2014, 11:20

... homologue of the H subunit from the reaction centre of photosynthetic bacteria. This is in line with the effect of the protein on the herbicide binding in PSII [34] and a lso in line with the data in ... of the D1 protein in isolated membranes of wild-type and IC7 (Fig. 3). The initial trypsin-induced cut of the D1 protein occurred at the N-termin...

Ngày tải lên: 17/03/2014, 11:20

... [44]. The numbers indicate the nucleotide positio ns of the 5¢-ends of the growth region. The 4.5-kb PstI/Xho1 f ragment of the human HO-1 gene [45,46] was inserted into the SmaIandXhoIsiteofpGL3-Basic vector ... numbers of villi, and is involved in phagocytosis of shed outer segments [1] and in uptake, processing, and transport of retinoids [2]. RPE also p...

Ngày tải lên: 23/03/2014, 13:20

Ngày tải lên: 31/03/2014, 00:20

... sense and antisense strands of the piRNA hairpin are involved in formation of the piR- NA-interacting complex (piRC) and function in the transcriptional gene silencing of retrotransposons and genetic ... gener- ation, and to be related to the expression of granuphilin ⁄ slp4 in insulin-producing cells [28]. More- over, miR9 and other neuronal miRs including miR...

Ngày tải lên: 18/02/2014, 17:20

... different groups of cellular retinoid-binding proteins with dis- tinctive binding properties have been identified, the cellular retinol-binding proteins (CRBPs) and the cel- lular retinoic acid-binding proteins ... distributed in the posterior hindbrain and anterior spinal cord in which the signal was restricted to the dorsal spinal cord and gradually diminished along th...

Ngày tải lên: 16/03/2014, 22:20

... within the initial 20 min following the addition of 14 C-labelled taurine. Using taurine uptake within the initial 20 min in NaCl medium containing extracellular taurine (0–50 l M ) and fitting the ... hypotonic incubation and it w as suggested that this effect reflected an inhibition of a p rotein tyrosine phosphatase [20]. Several of the serines, t hreonines and tyrosi...

Ngày tải lên: 30/03/2014, 15:20