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RISS 인기검색어
- 검색키워드
- 저자 : Dan-Ni Huang (검색결과 3 건)
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Huang, Xiang,Guan, Dan,Shu, Yong-Qian,Liu, Lian-Ke,Ni, Fang Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.10
Background: To investigate the change of frequency and immuno-inhibitory function of myeloid-derived suppressor cells (MDSCs) after treatment of cisplatin (DDP) in A375 human melanoma model. Materials and Methods: BALB/c nude mice were inoculated with A375 cells to establish the human melanoma model and randomly divided into control group given normal saline (NS) and experimental group treated with DDP (5 mg/kg). The percentages of MDSCs in the tumor tissue and peripheral blood after DDP treatment were detected by flow cytometry. The proliferation and interferon-${\gamma}$ (IFN-${\gamma}$) secretion of T cells co-cultured with MDSCs were analyzed through carboxyfluorescein succinimidyl ester (CFSE) labeling assay and enzyme-linked immunospot (ELISPOT) assay, respectively. Results: In A375 human melanoma model, DDP treatment could significantly decrease the percentage of MDSCs in the tumor tissue, but exerted no effect on the level of MDSCs in peripheral blood. Moreover, DDP treatment could attenuate the immuno-inhibitory function of MDSCs. T cells co-cultured with DDP-treated MDSCs could dramatically elevate the proliferation and production of INF-${\gamma}$. Conclusions: DDP can decrease the frequency and attenuate immuno-inhibitory function of MDSCs in A375 melanoma model, suggesting a potential strategy to augment the efficacy of combined immunotherapy.
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Dan Ni Li,Jing Huang,Zhao Hua Ren,Rui Sheng,Zheng Bo Qian,Bei Bei Li,Xiao Feng Quan,Ye Xi Zhang,Jun Ru Wang,Huan Tian 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.99 No.-
The phase separationphenomena or cloud points (CP) behaviorof nonionic octylphenol polyoxyethylene etherwith oxyethylene glycol ether unit of 15 (OP-15) were investigated in aqueous micellar solutions containinghigh concentrations of inorganic salts including NaCl, KCl, MgCl2, CaCl2, BaCl2, AlCl3, FeCl3, Na2SO4and Na2SiO3. The change in CP induced by salts and its mechanism are discussed theoretically. In aqueous solutionscontaining high concentration of salt, for thefirst time the linear relationship between CP and saltconcentrationiswellestablishedtocharacterizethedepressionofCP.Basedonpseudophaseseparationmodel,thermodynamic parameters are estimated and adopted to further describe the phase separation process andthe interactions between OP-15 molecules or the OP-15/water interactions. Thermodynamic parametersincluding standard Gibbs energy change (DG0CP), enthalpy change (DH0CP) and entropy change (DS0CP)indicate that the additions of different salts result in the change in entropy-driven nonspontaneousprocess of phase separation. These data, which are from the compensation temperatures and the changeof molar heat capacity, also prove that different ions induce the change in the interactions betweensurfactant molecules or the surfactant–water interaction and thus affect the depression of CP. Thesefindings help with understanding the effect of inorganic salts, especially the high concentration of salt, onCP of nonionic surfactant and then broadening the application of nonionic surfactant based on CP such asthe extraction of biomaterials in biological samples derived from animals or plants, etc.
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Qun-Ying Jin,Hua-Zheng Peng,Er-Pei Lin,Nan Li,Dan-Ni Huang,Yan-Li Xu,Xi-Qi Hua,Kui-Hong Wang,Tang-Jun Zhu 한국식물학회 2016 Journal of Plant Biology Vol.59 No.4
As one of the largest members of Poaceae family, bamboo is a very important agricultural plant in the world. The development of bamboo shoot is very special and particularly significant to bamboo production. Understanding the developmental differences between bamboo shoot and rhizome shoot is extremely valuable for us to further elucidate the mechanism of bamboo shoot formation since both bamboo shoot and rhizome shoot develop directly from rhizome bud underground. In this paper, miRNA chips with 413 miRNA probes were used to compare miRNA expressions between bamboo shoot and rhizome shoot. The experiment revealed 64 bamboo shoot upregulated and 56 rhizome shoot up-regulated miRNAs which were classified into four major categories according to deep sequencing based target prediction. Meristem and morphological development related miRNAs were most important in bamboo shoot, especially miR171 and miR156 members. While in rhizome shoot the mainstream of miRNA expressions was metabolism and nutrition related ones, especially miR395 members. The meristem and morphological development related miRNAs in bamboo shoot showed some embryonic characteristics and suggested the participation of several phytohormones like gibberellin, cytokinin and auxin, which were absent in those miRNAs of rhizome shoot. Further qRT-PCR detections of 21 up-regulated miRNAs in bamboo seedlings indicated that 12 ones were regulated to varying degrees by some environmental factors. Among them, rhizome shoot upregulated osa-miR395b was the most environment-sensitive miRNA, particularly to dehydration. And the bamboo shoot up-regulated osa-miR399j proved uniquely and strongly induced by phosphor. The existence of multiple regulation sites from same miRNA suggested the probability of crosstalks among meristem development, metabolism and stress response during bamboo shoot and rhizome shoot development.
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