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Acta Biochimica et Biophysica Sinica

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https://www.readbyqxmd.com/read/28910983/quantitative-proteomic-analysis-of-host-responses-triggered-by-mycobacterium-tuberculosis-infection-in-human-macrophage-cells
#1
Hua Li, Sha Wei, Yuan Fang, Min Li, Xia Li, Zhe Li, Jibin Zhang, Guofeng Zhu, Chuanyou Li, Lijun Bi, Guimin Zhang, Dianbing Wang, Xian-En Zhang
Macrophages are primary host of Mycobacterium tuberculosis (M.tb) and the central effector of in vivo innate immune responses against bacteria. Though the interaction between macrophages and mycobacteria has been widely investigated, the molecular mechanisms of M.tb pathogenesis in macrophages are still not clear. In this work, we investigated the altered protein expression profiles of macrophages after virulent H37Rv strain and avirulent H37Ra strain infection by tandem mass tag-based quantitative proteomics...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910982/exosomes-containing-mir-21-transfer-the-characteristic-of-cisplatin-resistance-by-targeting-pten-and-pdcd4-in-oral-squamous-cell-carcinoma
#2
Tao Liu, Gang Chen, Dawei Sun, Minghui Lei, Yongqiang Li, Changming Zhou, Xiaodong Li, Wei Xue, Hong Wang, Chunjun Liu, Jiang Xu
Resistance to chemotherapy remains a major obstacle for the effective treatment of oral squamous cell carcinoma (OSCC). Evidence for the involvement of exosomes as important regulators of cisplatin chemoresistance in OSCC is still poorly understood. Our objective of this study was to explore the roles for exosomes in modulating key cellular pathways mediating response to chemotherapy. We first developed the cisplatin-resistant cell lines (HSC-3-R and SCC-9-R) and found that the conditioned media from cisplatin-resistant OSCC cells enhanced the chemoresistance of parental OSCC cell...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910981/distinct-transcription-profile-of-genes-involved-in-carotenoid-biosynthesis-among-six-different-color-carrot-daucus-carota-l-cultivars
#3
Jing Ma, Zhisheng Xu, Guofei Tan, Feng Wang, Aisheng Xiong
Carotenoid, a group of lipophilic molecules, is widely distributed in nature, and is important for plant photosynthesis and photoprotection. In carrot taproot, different types of dominant carotenoid accumulation lead to yellow, orange, and red colors. In this study, six different carrot cultivars were used to simultaneously analyze carotenoid contents by high performance liquid chromatography. The expression levels of genes involved in carotenoid biosynthesis of carrot were also detected by real-time quantitative PCR...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910980/neuroprotective-effect-of-deferoxamine-on-n-methyl-d-aspartate-induced-excitotoxicity-in-rgc-5-cells
#4
Ying Tian, Ye He, Weitao Song, Endong Zhang, Xiaobo Xia
Many N-methyl-d-aspartate (NMDA) receptor antagonists have been used to treat neurodegenerative diseases induced by glutamate excitotoxicity in clinics. However, the universality of the glutamic acid neurotransmitter system makes the glutamic acid receptor blockers inefficient and unsafe. Thus, regulating the downstream signaling pathway in the excitotoxicity of glutamic acid may be a more effective and safer way to antagonize the glutamic acid receptor. In this study, we investigated the effect of deferoxamine (DFO), an iron chelator, on the NMDA-induced excitotoxicity...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910979/crispr-cas9-based-efficient-genome-editing-in-staphylococcus-aureus
#5
Qi Liu, Yu Jiang, Lei Shao, Ping Yang, Bingbing Sun, Sheng Yang, Daijie Chen
Staphylococcus aureus is an important pathogenic bacterium prevalent in nosocomial infections and associated with high morbidity and mortality rates, which arise from the significant pathogenicity and multi-drug resistance. However, the typical genetic manipulation tools used to explore the relevant molecular mechanisms of S. aureus have multiple limitations: leaving a scar in the genome, comparatively low gene-editing efficiency, and prolonged experimental period. Here, we present a single-plasmid based on the clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated (Cas) system which allows rapid and efficient chromosomal manipulation in S...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910978/dna-binding-properties-of-foxp3-transcription-factor
#6
Jun Li, Longying Jiang, Xujun Liang, Lingzhi Qu, Daichao Wu, Xiaojuan Chen, Ming Guo, Zhuchu Chen, Lin Chen, Yongheng Chen
FOXP3, a lineage-specific forkhead (FKH) transcription factor, plays essential roles in the development and function of regulatory T cells. However, the DNA-binding properties of FOXP3 are not well understood. In this study, FOXP3 fragments containing different domains were purified, and their DNA-binding properties were investigated using electrophoretic mobility shift assay and isothermal titration calorimetry (ITC). Both the FKH and leucine-zipper domains were required for optimal DNA binding for FOXP3. FOXP3 protein not only binds with DNA sequences containing one FKH consensus sequence, but also binds with DNA sequences with two direct repeats of consensus sequences separated by three-nucleotides (DRE3)...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910977/bisphenol-a-induced-apoptosis-and-transcriptome-differences-of-spermatogonial-stem-cells-in-vitro
#7
Xiaowen Gong, Hui Xie, Xiaoyong Li, Ji Wu, Yi Lin
Bisphenol A (BPA) is widely used as an industrial plasticizer, which is also an endocrine disruptor and considered to have adverse effects on reproduction. In male mammals, the long-term production of billions of spermatozoa relies on the regulated proliferation and differentiation of spermatogonial stem cells (SSCs). However, little is known about the effects of BPA on the viability of SSCs. To investigate the influence of BPA exposure on SSCs in vitro, we isolated SSCs from mouse and successfully established in vitro propagation of SSCs...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910976/isochlorogenic-acid-a-promotes-melanin-synthesis-in-b16-cell-through-the-%C3%AE-catenin-signal-pathway
#8
Nuramina Mamat, Jun Dou, Xueying Lu, Aiden Eblimit, Aisa Haji Akber
Isochlorogenic acid A, also called 3,5-dicaffeoylquinic acid (3,5-diCQA), is a widespread phenolic compound in the plant. Recent studies have shown that it has antioxidant and anti-inflammatory activity. In addition, oxidative stress and inflammation induced by solar ultraviolet radiation is a very significant reason for skin depigmentation. Therefore, in this study, we evaluated the effect of 3,5-diCQA on B16 cells and explored its molecular mechanism. Results showed that 3,5-diCQA upregulated intracellular melanin production in a time- and dose-dependent manner...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910975/emerging-role-of-hur-in-inflammatory-response-in-kidney-diseases
#9
Jin Shang, Zhanzheng Zhao
Human antigen R (HuR) is a member of the embryonic lethal abnormal vision (ELAV) family which can bind to the A/U rich elements in 3' un-translated region of mRNA and regulate mRNA splicing, transportation, and stability. Unlike other members of the ELAV family, HuR is ubiquitously expressed. Early studies mainly focused on HuR function in malignant diseases. As researches proceed, more and more proofs demonstrate its relationship with inflammation. Since most kidney diseases involve pathological changes of inflammation, HuR is now suggested to play a pivotal role in glomerular nephropathy, tubular ischemia-reperfusion damage, renal fibrosis and even renal tumors...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910974/resveratrol-suppresses-p-selectin-psgl-1-and-vwf-through-sirt1-signaling-pathway
#10
Zhenkai Lou, Kaili Du, Tingting Wang, Xueling Zhao, Xingguo Li, Bing Wang
No abstract text is available yet for this article.
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910973/lycorine-inhibits-the-growth-and-metastasis-of-breast-cancer-through-the-blockage-of-stat3-signaling-pathway
#11
Jian Wang, Jie Xu, Guoqiang Xing
Signal transducer and activator of transcription 3 (STAT3) is involved in the growth and metastasis of breast cancer, and represents a potential target for developing new anti-tumor drugs. The purpose of this study is to investigate whether Lycorine, a pyrrolo[de]phenanthridine ring-type alkaloid extracted from Amaryllidaceae genera, could inhibit breast cancer by targeting STAT3 signaling pathway. The human breast cancer cell lines were incubated with various concentrations of Lycorine, and cell proliferation, colony formation, cell cycle distribution, apoptosis, migration and invasion were assayed by several in vitro approaches...
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910972/sas-ptp10d-signaling-drives-tumor-suppressive-cell-competition
#12
Lu He, Hong Zhou, Hong Liu, Hongtao Qu
No abstract text is available yet for this article.
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910971/alteration-of-ssao-interactome-reveals-weakened-cell-adhesion-and-motor-function-of-adipocytes-in-t2d
#13
Ming Ke, Yongqian Zhang, Yulin Deng
No abstract text is available yet for this article.
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28810706/effects-of-trigonelline-inhibition-of-the-nrf2-transcription-factor-in-vitro-on-echinococcus-granulosus
#14
Wenjuan Qin, Dongfang Guan, Rongji Ma, Rentan Yang, Guoqiang Xing, Hongjuan Shi, Guangyao Tang, Jiajie Li, Hailong Lv, Yufeng Jiang
The aim of this study was to investigate the impact of trigonelline (TRG) on Echinococcus granulosus, and to explore the inhibition impact of nuclear factor erythroid-2-related factor 2 (Nrf2) signaling pathway on E. granulosus protoscoleces. Echinococcus granulosus protoscoleces were incubated with various concentrations of TRG, and then Nrf2 protein expression and its localization in protoscoleces were detected by western blot analysis and immunofluorescence assay, respectively. Reactive oxygen species (ROS) level in protoscoleces was measured using ROS detection kit...
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28673044/ctenopharyngodon-idella-ikk%C3%AE-interacts-with-pkr-and-i%C3%AE%C2%BAb%C3%AE
#15
Haizhou Wang, Qun Xu, Xiaowen Xu, Yousheng Hu, Qunhao Hou, Youlin Zhu, Chengyu Hu
Inhibitor of nuclear factor kappa-B kinase β (IKKβ) is a subunit of the IKK complex. It can activate the NF-κB pathway through phosphorylating IκB in response to a wide range of stimuli. In the present study, an IKKβ gene from grass carp (Ctenopharyngodon idella; KT282114) was cloned and identified by homologous cloning and rapid-amplification of cDNA ends (RACE) technique. The complete CiIKKβ cDNA is 3428 bp in length, with the longest open reading frame (ORF) of 2337 bp encoding a polypeptide of 778 amino acids...
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28666378/mtor-signaling-pathway-differently-regulates-central-and-peripheral-axon-regeneration
#16
Ziwei Huang, Weihua Wang, Jinjin Ma, Bin Li, Jianquan Chen, Huilin Yang
Numerous studies have shown that the intrinsic axonal regenerative capacity of neurons differs between the peripheral and central nervous systems (CNSs). However, the molecular mechanisms controlling intrinsic axonal regenerative capacity are unclear. A better understanding of these mechanisms should aid in the development of effective therapeutic strategies for traumatic nervous system injury, including spinal cord injury. Here, we found that blocking mammalian target of rapamycin (mTOR) activity dramatically diminished axonal regrowth from embryonic cortical neurons...
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28655185/local-knockdown-of-nav1-6-relieves-pain-behaviors-induced-by-bmk-i
#17
Shichao Qin, Feng Jiang, You Zhou, Guokun Zhou, Pin Ye, Yonghua Ji
Voltage-gated sodium channels (VGSCs) in peripheral nociceptive sensory neurons are critical to transmit pain signals. BmK I purified from the venom of scorpion Buthus martensi Karsch (BmK) has been demonstrated to be the primary contributor of envenomation-associated pain. However, the role of distinct VGSCs such as Nav1.6 in the induction and maintenance of pain behaviors induced by BmK I was ambiguous. Herein, using molecular and behavioral approaches we investigated the mRNA and protein expression profiles of Nav1...
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28655146/ginseng-saponin-rb1-enhances-hematopoietic-function-and-dendritic-cells-differentiation
#18
Li Zhang, Hui Feng, Yibo He, Jinfang Zhao, Yimin Chen, Yonglin Liu
No abstract text is available yet for this article.
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28655144/up-regulation-of-carcinoembryonic-antigen-related-cell-adhesion-molecule-1-in-gastrointestinal-cancer-and-its-clinical-relevance
#19
Muqing Zhou, Zhiming Jin, Yiwen Liu, Yiqing He, Yan Du, Cuixia Yang, Yingzhi Wang, Jiajie Hu, Lian Cui, Feng Gao, Manlin Cao
Serum carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is dysregulated in various malignant tumors and has been associated with tumor progression. However, the expression and regulatory mechanisms of serum CEACAM1 in gastrointestinal cancer are still unclear. The expression ratio of the CEACAM1-L and CEACAM1-S isoforms has seldom been investigated in gastrointestinal cancer. In this study, we intended to explore the expression and diagnostic value of CEACAM1 in gastrointestinal cancer. Serum CEACAM1 levels were measured by enzyme-linked immunosorbent assay...
August 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28645189/the-potential-role-of-retinoic-acid-receptor-%C3%AE-on-glomerulosclerosis-in-rats-and-podocytes-injury-is-associated-with-the-induction-of-mmp2-and-mmp9
#20
Xiuping Chen, Yuanhan Qin, Tianbiao Zhou, Ling Jiang, Fengying Lei, He Qin, Lei Zhang, Zhiqiang Zhou
Retinoic acid receptor α (RARα) plays a crucial role in kidney disease. However, the underlying mechanisms in glomerulosclerosis (GS) is still not clear. The roles of RARα in an adriamycin (ADR)-induced GS rat model and in ADR-induced podocyte injury in vitro were investigated. RARα was over-expressed in GS rats, and serum, urine and kidney samples were collected to detect the induction of the expression of the receptor. RARα expression was inhibited and/or over-expressed in cultured podocytes following injury, as demonstrated by morphometric assays, cell toxicity, and matrix metalloproteinase (MMP) enzymatic activity...
August 1, 2017: Acta Biochimica et Biophysica Sinica
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