Abstract:
:Photodamages caused by UVA radiation induced oxidative injuries are closely related to photoaging and skin cancer. Paeoniflorin (PF), extracted from the root of Paeonia lactiflora, has been reported to be an effective antioxidant. PLIN2, known as adipose differentiation-related protein, has been previously involved in the regulation of oxidative stress. In this study, we were sought to investigate the photo-protective property of PF and PLIN2 in UVA-radiated human dermal fibroblasts (HDFs). HDFs were pre-treated with PF (800 μM) followed by UVA radiation (22.5 J/cm2). MTS activity, cell apoptosis, ROS, MDA, and SOD were detected, respectively. The expressions of Nrf2, HO-1, NQ-O1, and PLIN2 were determined using RT-qPCR or western blot. Nrf2 was silenced by siRNA, and PLIN2 was overexpressed via lentiviral transduction. Comparing to the UVA radiation, PF pre-treatment could prominently increase the MTS activity, decrease cell apoptosis, reduce the generations of ROS and MDA, increase the activity of SOD and increase the expression of Nrf2 and its target genes HO-1 and NQ-O1. When Nrf2 was knocked down, PF lost above protective properties. In addition, UVA induced oxidative stress led to upregulation of PLIN2 and the latter could be decreased by PF. Overexpression of PLIN2 improved MTS activity and reduced MDA level in HDFs. The combination of PLIN2 overexpression and PF pre-treatment corporately inhibited UVA-induced injury. Besides, we also found that PF and PLIN2 had a compensatory protection against UVA induced oxidative stress. In conclusion, our study demonstrated that UVA induced photodamages could be inhibited by PF via Nrf2/HO-1/NQ-O1 signaling pathway or by PLIN2, and the combination of PLIN2 overexpression and PF played additive effects against UVA-related oxidative stress.
journal_name
Front Pharmacoljournal_title
Frontiers in pharmacologyauthors
Lu YS,Jiang Y,Yuan JP,Jiang SB,Yang Y,Zhu PY,Sun YZ,Qi RQ,Liu T,Wang HX,Wu Y,Gao XH,Chen HDdoi
10.3389/fphar.2020.00736subject
Has Abstractpub_date
2020-05-15 00:00:00pages
736issn
1663-9812journal_volume
11pub_type
杂志文章abstract:Background:Pancreatic cancer is one of the most aggressive malignancies. Bufalin, a traditional Chinese medicine, has been used to treat pancreatic cancer as an antitumor agent although the mechanism by which it exerts its effects is still unclear. c-Myc has been found to be overexpressed in more than half of human can...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2020.00495
更新日期:2020-04-17 00:00:00
abstract:Background and Aim:Platycodon grandiflorum (PG) has been widely used for treating chronic bronchitis (CB). However, the material basis and underlying mechanism of action of PG against CB have not yet been elucidated. Methods:To analyze the ingredients in PG, ultraperformance liquid chromatography-quadrupole-time-of-fl...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2020.564131
更新日期:2020-09-08 00:00:00
abstract::Aconitine is the main bioactive ingredient of Aconitum plants, which are well-known botanical herbs in China. Aconitine is also notorious for its high cardiotoxicity, as it can induce life-threatening ventricular arrhythmias. Unfortunately, there are few effective antidotes to aconitine toxicity. This study aimed to e...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.01138
更新日期:2018-10-25 00:00:00
abstract::Flavonoids are some of the most important natural products with a variety of physiological activities. 8-Formylophiopogonanone B (8-FOB) is a naturally existing homoisoflavonoid in Ophiopogon japonicus. Paraquat (PQ) has been widely used as a potent herbicide and has high toxicity in humans. The goal of the present st...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.01283
更新日期:2019-10-24 00:00:00
abstract::The cardiac action potential is critical to the production of a synchronized heartbeat. This electrical impulse is governed by the intricate activity of cardiac ion channels, among them the cardiac voltage-gated potassium (Kv) channels KCNQ1 and hERG as well as the voltage-gated sodium (Nav) channel encoded by SCN5A. ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2020.00550
更新日期:2020-05-04 00:00:00
abstract::Striatal cholinergic interneurons (CINs) are the main source of acetylcholine in the striatum and are believed to play an important role in basal ganglia physiology and pathophysiology. The role of CINs in striatal function is known mostly from extracellular recordings of tonically active striatal neurons in monkeys, ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.01488
更新日期:2019-12-13 00:00:00
abstract::The pentose phosphate pathway (PPP), which branches from glycolysis, is correlated with cancer cell proliferation, survival and senescence. In this study, differences in the metabolic profile of the PPP and the redox status of human lung carcinoma A549 cells and cisplatin-induced multidrug-resistant A549/DDP cells wer...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.00043
更新日期:2018-01-31 00:00:00
abstract::As a typical traditional Chinese medicine, Bu-Yin-Qian-Zheng Formula (BYQZF) has been shown to have neuroprotective effects in patients with Parkinson's disease (PD), particularly by ameliorating mitochondrial dysfunction and regulating expression of the parkin protein. However, the underlying mechanisms by which BYQZ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2020.577017
更新日期:2020-12-18 00:00:00
abstract::Introduction: Chronic hepatitis B (HBV) and C (HCV) virus infection is associated with the activation of hepatic stellate cells (HSCs) toward a myofibroblastic phenotype, resulting in excessive deposition of extracellular matrix, the development of liver fibrosis, and its progression toward cirrhosis. The gold standar...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2017.00056
更新日期:2017-02-09 00:00:00
abstract::Platinum derivatives used as chemotherapeutic drugs such as cisplatin and oxaliplatin have a potent antitumor activity. However, severe side effects such as nephro-, oto-, and neurotoxicity are associated with their use. Effects and side effects of platinum-based drugs are in part caused by their transporter-mediated ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2015.00085
更新日期:2015-04-24 00:00:00
abstract::Aseptic loosening induced by periprosthetic osteolysis (PPO) is the leading complication of total joint arthroplasty (TJA) and results in patients having to receive revision surgery. However, there is still no efficient drug to prevent or even slow the pathological process. Herein, we report novel dual-targeted, curcu...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2020.600156
更新日期:2020-12-04 00:00:00
abstract::The inhibitors for EGF receptor tyrosine kinase (EGFR-TKIs) such as gefitinib have been used as a standard treatment for non-small cell lung cancer (NSCLC), but the increasingly occurrence of drug resistance, the associated adverse effects and the enrichment of cancer stem cells significantly impedes its clinical appl...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.01413
更新日期:2018-11-30 00:00:00
abstract::In spite of recent therapeutic advances, multiple myeloma (MM) remains a malignancy with very low curability. This has been partly attributed to the existence of a drug-resistant subpopulation known as cancer stem cells (CSCs). MM-CSCs are equipped with the necessary tools that render them highly resistant to virtuall...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2017.00610
更新日期:2017-09-08 00:00:00
abstract::Urothelial cells, myofibroblasts, and smooth muscle cells are important cell types contributing to bladder function. Multiple receptors including muscarinic (M3/M5), tachykinin (NK1/NK2), and purinergic (P2X1/P2Y6) receptors are involved in bladder motor and sensory actions. Using female pig bladder, our aim was to di...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2013.00148
更新日期:2013-11-28 00:00:00
abstract::Sustained delivery of analgesic agents at target sites remains a critical issue for effective pain management. The use of nanocarriers has been reported to facilitate effective delivery of these agents to target sites while minimizing systemic toxicity. These include the use of biodegradable liposomal or polymeric car...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2013.00143
更新日期:2013-11-21 00:00:00
abstract:Background:The CYP2D6 gene locus has been extensively studied over decades, yet a portion of variability in CYP2D6 activity cannot be explained by known sequence variations within the gene, copy number variation, or structural rearrangements. It was proposed that rs5758550, located 116 kb downstream of the CYP2D6 gene ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2020.00486
更新日期:2020-05-08 00:00:00
abstract::Neuroinflammation is regarded as one of the pathogenic factors of Alzheimer disease (AD). Previously, we showed that mice regularly injected with bacterial lipopolysaccharide (LPS) possessed the AD-like symptoms like episodic memory decline, elevated amounts of amyloid beta (Aβ) peptide (1-42), and decreased levels of...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.00355
更新日期:2019-04-17 00:00:00
abstract::Glucocorticoid (GC) therapy is the leading cause of secondary osteoporosis and the therapeutic and preventative drugs for GC-induced osteoporosis are limited. In this study, we investigated the protective effects of geniposide on dexamethasone (DEX)-induced osteogenic inhibition in MC3T3-E1 cells. The results showed t...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.00411
更新日期:2019-04-18 00:00:00
abstract::One approach to experimental science involves creating hypotheses, then testing them by varying one or more independent variables, and assessing the effects of this variation on the processes of interest. We use this strategy to compare the intellectual status and available evidence for two models or views of mechanis...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2014.00231
更新日期:2014-10-31 00:00:00
abstract::Fingolimod is used for the treatment of multiple sclerosis (MS) and targets receptors for the bioactive sphingolipid sphingosine-1-phosphate (S1P). Whether fingolimod or other MS therapies conversely affect plasma concentrations of sphingolipids has, however, not yet been analyzed. Herein, we quantified 15 representat...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2016.00412
更新日期:2016-11-03 00:00:00
abstract::Osteoporosis is a common health problem worldwide caused by an imbalance of bone formation vs. bone resorption. However, current therapeutic approaches aimed at enhancing bone formation or suppressing bone resorption still have some limitations. In this study, we demonstrated for the first time that cepharanthine (CEP...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.00210
更新日期:2018-03-27 00:00:00
abstract::Background: Genetic variability in some of the genes that affect absorption, distribution, metabolism, and elimination ("pharmacogenes") can significantly influence an individual's response to the drug and consequently the effectiveness of treatment and possible adverse drug events. The rapid development of sequencing...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.00240
更新日期:2019-03-14 00:00:00
abstract::Gap junctions are comprised of connexins that form cell-to-cell channels which couple neighboring cells to accommodate the exchange of information. The need for communication does, however, change over time and therefore must be tightly controlled. Although the regulation of connexin protein expression by transcriptio...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2013.00130
更新日期:2013-10-22 00:00:00
abstract::Endothelial cells play a critical role in the process of angiogenesis during skin wound healing. The migration and proliferation of endothelial cells are processes that are initiated by the hypoxic microenvironment in a wound, but the underlying mechanisms remain largely unknown. Here, we identified a novel role for m...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.00368
更新日期:2019-04-16 00:00:00
abstract::The liver is not only involved in metabolism and detoxification, but also participate in innate immune function and thus exposed to frequent target Thus, they are the frequent target of physical injury. Interestingly, liver has the unique ability to regenerate and completely recoup from most acute, non-iterative situa...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2019.00509
更新日期:2019-05-24 00:00:00
abstract::Pulmonary fibrosis is closely associated with the recruitment of fibroblasts from capillary vessels with damaged endothelial cells, the epithelial mesenchymal transition (EMT) of type II alveolar epithelial cells, and the transformation of fibroblasts to myofibroblasts. Recent studies suggest that EMT is a key factor ...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2020.590972
更新日期:2020-12-04 00:00:00
abstract::The efficacy of lamotrigine in the treatment of focal epilepsies have already been reported in several case reports and open studies, which is thought to act by inhibiting glutamate release through voltage-sensitive sodium channels blockade and neuronal membrane stabilization. However, recent findings have also illust...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章,评审
doi:10.3389/fphar.2015.00242
更新日期:2015-10-23 00:00:00
abstract::This study investigates the protein expression of C-MYC, BCL-2, and BCL-6 in diffuse large B-cell lymphoma (DLBCL) and their relationship with genetic abnormalities. A retrospective study of 42 cases on paraffin-embedded tissue specimens diagnosed with DLBCL was performed using immunohistochemistry (IHC) and fluoresce...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.01497
更新日期:2019-01-07 00:00:00
abstract::Background: Details of the extraction and purification procedure can have a profound impact on the composition of plant-derived extracts, and thus on their efficacy and safety. So far, studies with head-to-head comparison of the pharmacology of Ginkgo extracts rendered by different procedures have been rare. Objective...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2018.00848
更新日期:2018-08-03 00:00:00
abstract::Abelmoschus manihot (L.) Medik. (Malvaceae) is a herb used in traditional Chinese medicine to treat some kidney diseases. To date, the detailed mechanisms by which A. manihot improves some kinds of renal disease are not fully understood. In this study, we established Adriamycin-induced NRK-52E cells, the normal rat ki...
journal_title:Frontiers in pharmacology
pub_type: 杂志文章
doi:10.3389/fphar.2019.00567
更新日期:2019-05-28 00:00:00