Figure 3 Down-regulation of WT1 by siRNA could not increase the expression of miR-15a/16-1 in leukemic cells. (A and B) K562 and HL-60 cells were transfected with 50 nM siRNA-WT1, 50 nM N.C or neither of the above for 24 and 48 hours, then the relative mRNA expression of WT1 and the corresponding WT1 protein were respectively measured by quantitative real-time PCR and Western blotting. GAPDH as loading control. (C and D) The relative expressions of Selleckchem NVP-LDE225 miR-15a and miR-16-1 were measured by qRT-PCR after K562 and HL-60 cells were

transfected with 50 nM siRNA-WT1, 50 nM N.C or neither of the above for 24 and 48 hours. * and & P < 0.01 versus negative control (N.C). Anti-miR-15a/16-1 oligonucleotides (AMO) partly reversed the down-regulation of WT1 induced by curcumin in leukemic cells To further confirm that pure curcumin down-regulated the expression of WT1 by up-regulation Proteasomal inhibitor of miR-15a/16-1, 20 uM curcumin treated-K562 JNK-IN-8 and 10

uM curcumin treated- HL-60 cells were transfected with 50 nM anti-miR-15a/16-1 oligonucleotides for 48 hours. The levels of WT1 protein were detected by Western blotting after transfection. As Figure 4A and 4B demonstrated that anti-miR-15a/16-1 oligonucleotides could effectively decrease the expression of miR-15a and miR-16-1 in K562 and HL-60 cells. Moreover, anti-miR-15a/16-1 oligonucleotides partly abolished the inhibitory effect of curcumin on WT1 protein expression (Figure 4C and 4D). Finally, as Demeclocycline indicated in Figure 4E and 4F, 20 uM curcumin treated-K562 and 10 uM curcumin treated-HL-60 cells were transfected with 50 nM of anti-miR-15a/16-1 oligonucleotides

for 24, 48 and 72 hours, the CCK-8 assay revealed that anti-miR-15a/16-1 oligonucleotides effectively reversed the inhibition of cell proliferation caused by curcumin in K562 and HL-60 cells. Figure 4 Anti-miR-15a/16-1 oligonucleotides (AMO) partly reversed the downregulation of WT1 induced by curcumin in K562 and HL-60 cells. (A and B) The relative expressions of miR-15a/16-1 were measured by qRT-PCR after K562 and HL-60 cells were transfected with 50 nM of anti-miR-15a/16-1 oligonucleotides for 48 hours. * and & P < 0.01 versus negative control (SCR). (C and D) 20 uM curcumin treated-K562 and 10 uM curcumin treated- HL-60 cells were transfected with 50 nM of anti-miR-15a/16-1 oligonucleotides for 48 hours, then the protein levels of WT1 were measured by Western blotting. GAPDH as loading control. (E and F) 20 uM curcumin treated-K562 and 10 uM curcumin treated- HL-60 cells were transfected with 50 nM of anti-miR-15a/16-1 oligonucleotides for 24, 48, and 72 hours, then cell proliferation was measured by CCK-8 assay. # and $ represent less than 0.05 of p-values, compared respectively with pure curcumin treatment alone at the same time.

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Colonies distinctly circular with well-defined margin, compact, hyaline, thin, silky, with fine concentric

zonation of unequal width. Hyphae radially arranged, thin, little on surface; surface hyphae degenerating, becoming multiguttulate. Aerial hyphae scant. Autolytic excretions rare; coilings variable, INCB28060 mw sometimes abundant. No distinct odour, no pigment noted. Chlamydospores uncommon. Conidiation noted after 4–6 days, better developed than on CMD, invisible to the unaided eye, effuse, on loosely disposed minute conidiophores spreading from the plug and proximal margin irregularly Semaxanib clinical trial across the entire colony; at the distal margin also verticillium-like on aerial hyphae. Conidial heads minute, <30 μm diam, wet, becoming dry, greenish in the stereo-microscope. Conidiophores (after 6–12 days at 25°C) to 150(–300) μm long, erect, simple, asymmetric, of a short stipe or single axis 3–5 μm wide, with a single terminal whorl of phialides and some scattered solitary phialides, or with up to five steep, unpaired main axes emerging at low levels. Main axes unbranched or with unpaired branches. Branches 2–3 μm wide at ends, bearing solitary phialides or

short, tree-like, often paired and mainly 1-celled terminal branches, strongly inclined upwards. Phialides arising from cells 2–4 μm wide, solitary or divergent in whorls of 2–4(–6). Phialides see more (5–)7–12(–18) μm (n = 120) μm long, lageniform or subcylindrical, less commonly ampulliform with long neck, mostly inaequilateral.

Conidia as in granules. After ca 1 month (or growth for 16 days at 25°C plus 6–12 days at 15°C) HSP90 conidiation becoming visible as minute, white to greenish granules or minipustules 0.2–0.8 mm diam, formed mainly along margin of the plate; slightly more complex and stout in structure than effuse conidiation. Compared to effuse conidiation, main axes more pachybasium-like, longer, with 1–2 fold branching at higher levels, terminal branches short, often paired and right-angled or inclined upwards, 1–3 celled. Branches 3–5(–6) μm wide. Phialides arising singly or in whorls on cells 2.5–4 μm wide. Phialides (4.5–)5.5–9.0(–12) × (2.3–)2.5–3.2(–3.7) μm, l/w (1.5–)1.7–3.2(–4.8), (1.4–)1.8–2.5(–2.8) μm (n = 61) wide at the base; narrowly lageniform or subulate, more rarely ampulliform, straight, sometimes curved or sinuous, usually widest below the middle, without conspicuous thickenings. Ampulliform phialides more frequent in microtufts or granules formed late. Phialides from simple conidiophores and granules combined (4.5–)6–11(–18) × (2.0–)2.5–3.3(–4.0) μm, l/w (1.5–)2–4(–7.5) (n = 181). Conidia (2.2–)2.5–3.5(–5.5) × (1.8–)2.0–2.5(–3.0) μm, l/w (1.0–)1.1–1.5(–2.1) (n = 180), subhyaline to pale yellowish green, subglobose, oval, less commonly ellipsoidal, smooth, with few minute guttules; scar indistinct. At 15°C growth irregular, effuse conidiation on the entire colony except the centre.