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Total 56 results found since Jan 2013.

Reversible Covalent-Crosslinked Polycations with Enhanced Stability and ATP-Responsive Behavior for Improved siRNA Delivery.
In this study, we proposed a new strategy of reversible-covalent crosslinking to enhance stability in circulation and enable stimuli-disassembly of polyplexes in tumor cells. Here, 25k polyethyleneimine (PEI) was chosen as model polycations for verifying the hypothesis. HA-PEI conjugation was formed by the crosslinking of adenosine triphosphate grafted HA (HA-ATP) with phenylboronic acid grafted PEI (PEI-PBA), via the chemical reaction between PBA and ATP. Compared with non-covalent polyplex by electrostatic interaction (HA/PEI), HA-PEI exhibited much better colloidal stability and serum stability. The covered HA-ATP layer...
Source: Biomacromolecules - August 6, 2018 Category: Biochemistry Authors: Zhou Z, Zhang M, Liu Y, Li C, Zhang Q, Oupicky D, Sun M Tags: Biomacromolecules Source Type: research

A Novel Regulator of Preadipocyte Differentiation, Transcription Factor TCF21, Functions Partially Through Promoting LPL Expression
Discussion Excessive fat deposition in chickens can result in many undesirable consequences within the poultry industry, including reduced feeding efficiency (Zhou et al., 2006) and decreased reproductive performance (Walzem and Chen, 2014). Thus, broiler breeders urgently require a more thorough understanding of the molecular mechanism governing chicken adipogenesis. We previously found that broilers from lean and fat lines exhibit clear differences in reproductive performance (Zhang et al., 2018). In addition, TCF21 was found to be related to testis growth and development in these broilers (Zhang et al., 2017). In mice ...
Source: Frontiers in Physiology - April 22, 2019 Category: Physiology Source Type: research

Hepatoma-Derived Growth Factor and DDX5 Promote Carcinogenesis and Progression of Endometrial Cancer by Activating β-Catenin
Conclusion: Our results provide novel evidence that HDGF interacts with DDX5 and promotes the progression of EC through the induction of β-catenin. Introduction Endometrial cancer (EC) comprises the most common malignancy involving the female genital tract and the fourth most common malignancy in women after breast, lung, and colorectal cancers (1). In 2012, approximately 320,000 new cases of EC were diagnosed worldwide and the incidence is increasing (2). Currently, endometrial carcinogenesis is thought to be a multi-step process involving the coordinated interaction of hormonal regulation, gene mutation, ad...
Source: Frontiers in Oncology - April 10, 2019 Category: Cancer & Oncology Source Type: research

Ability to Suppress TGF- β-Activated Myofibroblast Differentiation Distinguishes the Anti-pulmonary Fibrosis Efficacy of Two Danshen-Containing Chinese Herbal Medicine Prescriptions
Conclusion: This study suggests that a clinically efficacious cardiovascular Chinese herbal medicine (DLP) can be successfully repurposed to treat a lung disease in pulmonary fibrosis guided by TCM theory. Our comparative study between DLP and DHP demonstrated a critical requirement of suppressing both pro-inflammatory and pro-fibrotic pathways for the treatment of pulmonary fibrosis, supporting that a multi-component prescription capable of “removing both phlegm and blood stasis” will better achieve co-protection of heart and lung in PHD. Introduction Idiopathic pulmonary fibrosis (IPF) is a chronic ...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

miRNA-218 Targets Lipin-1 and Glucose Transporter Type 4 Genes in 3T3-L1 Cells Treated With Lopinavir/Ritonavir
Conclusion: 3T3-L1 cells, treated with LPV/RTV, show altered lipid content due to increased miRNA-218 levels, which affects lipin-1 mRNA. Moreover, increased miRNA-218 levels were inversely correlated with changes in GLUT-4 expression, which suggests a role for miRNA-218 in mediating the insulin resistance consequent to cART. Introduction Metabolic syndrome is a serious consequence of combined Antiretroviral Therapy (cART). HIV-associated metabolic syndrome is often accompanied by lipodystrophy (LS), the redistribution of body fat with loss of subcutaneous adipose tissue in face, limbs and buttocks, concomitant wit...
Source: Frontiers in Pharmacology - April 29, 2019 Category: Drugs & Pharmacology Source Type: research

Knockdown of TRIM66 in MDA-MB-468 triple negative breast cancer cell line suppresses proliferation and promotes apoptosis through EGFR signaling
Pol J Pathol. 2021;72(2):160-166. doi: 10.5114/pjp.2021.109518.ABSTRACTTriple negative breast cancer (TNBC) is one of the most common malignant tumors in women and the tripartite motif 66 (TRIM66) is closely associated with the behaviors of wide variety of cancer. Thus, in this study, we aimed to explore the effect of TRIM66 in MDA-MB-468 TNBC cell line. Western blot and RT-PCR assays were used to detect the expression level of TRIM66 in human normal mammary cells and human breast cancer cell lines. We silenced its expression in MDA-MB-468 cells by transient siRNA transfection to ascertain the function of TRIM66 in MDA-MB-...
Source: Polish Journal of Pathology - October 28, 2021 Category: Pathology Authors: Huayi Zhang Yaqin Zheng Yongmei Zhang Source Type: research